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. . .
Return Address:
City Clerk's Office
City of Renton
200 Mill Avenue South
Renton,WA 98055-2189
BILL OF SALE'3'4 (strce
, F udPropertyTax Parcel Nuuiber.Project File 1: 0. 13 3 f Ia�• h;?a� {ff�2`a�,tY.�y� N,C .
01) Reference Number()of Documents is assigned or released Additional reference numbers are on page
In Grantor(s): '� -n t'46C1 ( 4 rN ` r' Grantee *
N 1.CX. an 1. City of Renton,a Municipal Corporation "
O 2. fob 9;.3 OA (Ala o• C14 sells and delivers to
C'" The Grantor,as named above,for,and in consideration of mutual benefits,hereby grants,bargains,
CI the Grantee,as named above,the following described personal property
ref WATER SYSTEM: USA Elm
Ins
Cr 7;_ L.F.of 8+� " _12,%, Water Main
acto L.F.of " Ce f► Water Main
L.F_of
a) Water Main
"
4. each of p" " Gate Valves
I each of , ,0 " Gate Valves 'I.
each of Fire Hydrant Assemblies
SANITARY SEWER SYSTLA lent Eke " Sewer.
-Mehl
L.F.of . _.--
L.F.of Sewer Main
_ L.F.of Sewer Main
o each of " Diameter Manholes
m each of " Diameter Manholes
each of " Diameter Manholes
STORM DRAINAGE SYSTEM: ti Ear&„
�ZJ'oL L F.of 12. " F{ ,0. storm Live
p° L.F.of " _ Storm Line
o L.F.of Storm Line
v, each of " Storm Inlet/Outlet
__A.— each of " I Storm Catch Basin
ce each of
„ Manhole
i . STREET IMPROVEMENTS: (Including Curb.Gutter.Sidewalk,Asphalt Pavement)
Curb,Gutter,Sidewalk i# L.F.
s Asphalt Pavement: $ /5ca'dd,,,-,SY or L.F.of Width
= STREET LIGHTING:
it of Poles —�
By this conveyance.Grantor will warrant and defend the sale hereby made tmto the Grantre against all and every pe son .
or dons,whomsoever,lawfully claiming or to claim the same. Thia conveyance shall bind the heirs,executors, MHO
atratccs and assigns forever. 1 -
,';: B til(ti1t�LWAH NDOLlI1BaLSALE.DOGV.UB p�
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Form 7
IN7 S 0 , have hereunto s, my hand and seal the day and year as written below. sa 000tn,h
C l P ,(1
1 �
U . tip ,Q.J- A l44 114 GP
INDIVIDUAL FORM OFACIRNOWLEDCMENT
Notary Seal must be within box STATE OF WASHINGTON )SS
COUNTY OF KING )
I certify that I know or have satisfactory evidence that
signed this instrument and
I acknowledged it to be his/her/their free and voluntary act for.the uses and purposes
mentioned in thb instrument
Notary Public in and for the State of Washington
Notary(Print)
My appointment expires:
• Dated:
REPRESENTATIVE FORM OF ACKNOWIEDGMEAT
Q Notary Seal must be within box STATE OF WASHINGTON )ss
C COUNTY OF KING )
I certifythat I know or
n s � ha satisfactory evidence that
a �' signed this instrument,on oath
CO .?„,Y-. J . stated that he/she/they was/were at4orized 1e-execute the instrument and
�,: ae owicdged it as the La and
.�' �•"��( '... - of A• �Y •o be the free and voluntary net of such
pay/pa or uses and purpo mentioned in the instrument.
- -a . C �
otary u lio in and fo the Mate o Washin n '
Notary(Print) C2O 4 /nvz v `
My appointment expires; l® //v/2 )O V
Dated: —� ✓ Leff
CORPORATE FORM OFACKNOWLEDGMENT
Notary Seal must be within box STATE OF WASHINGTON )ss
COUNTY OF KING )
On this day of - , 19 .before me personally appeared
to me known to
be of the corporation that
executed the within instrument,and acknowledge the said instrument to be the free
and voluntary act and deed of said corporation,for the uses and purposes therein
mentioned,and each on oath stated that he/she was authorized to execute said
instrument and that the seal affixed is the corporate seal of said corporation.
Notary Public in and for the State of Washington
Notary(Print)
1 -
CIT'. --OF RENTON
Planning/Building/Public Works Department
Gregg Zimmerman P.E.,Administrator
J6-1e7Iss:Tier,Mayor - - - •
1 ,
1 August 13, 1997
I -
• '
1
Ms. Stephanie Durman
Catholic Community Services of
• Western Washington
100-23rd Avenue South . .
Seattle,WA 98144
SUBJECT: Jefferson Avenue Family Housing
Project No. LUA-97-088,SA,ECF
Dear Ms. Durman: • ,` . ‘ • ' -< ,
•
This letter is to inform you that'the comment and appeal periods have ended for the Environmental
Review Committee's (ERC) Determination of Non-Significance - Mitigated for the above-referenced •
project• • •
. .
• No appeals were filed on the ERC determination. This decision is final and application for the
appropriately required permits may proceed. The applicant must comply with all ERC Mitigation
Measures and Site Plan Conditions of Approval.
, -
If you have any questions, please feel free to contact me at 277-5586.
For the Environmental Review Committee,
ilit/ /e -
Mark R. P ICP •
Project Ma ger •
. .
. •
• ,
. , ,. • ....._ .
. ,
t .
200 Mill Avenue South-Renton,Washington 98055
A
Washington State Northwest Region
•, Department of Transportation 15700 Dayton Avenue North
P.O. Box 330310
Sid Morrison Seattle,WA 98133-9710 •
Secretary of Transportation
•
(206)440-4000
DEVELOPMENT PLANNING
DATE: August 14, 1997 ALi13.2 0 1997
TO: Ms. Jana Huerter r `s�,
Land Use Review Supervisor
City of Renton Development Services Division
200 Mill Avenue South
Renton, WA 98055
• SUBJECT: SR 900 MP 13.00 CS 1713
Determination of Nonsignificance
Jefferson Avenue Family Housing
File#LUA-97-088, SA, ECF
etrhc:
FROM: Robert A. Josephson, PE, Manager of Planning &Local Coordination
Washington State Department of Transportation
Northwest Region
15700 Dayton Avenue North,MS 122
P.O. Box 330310
Seattle, WA 98133-9710
Dear Ms. Huerter:
Thank you for giving us the opportunity to review the Jefferson Avenue Family Housing
project located at 1000 Jefferson Ave.NE. The project will have no significant impact on
the state.highway system and we have no further comments. .
If you have any questions,please contact Don Hurter at 440-4664 or Chad Hancock at
440-4914 of my Developer Services section.
CH:ch
c:\chad\renton\1000jeff.doc
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..................................................................
CURRENT PLANNING DIVISION
AFFIDAVIT OF SERVICE BY MAilING
•
On the 2406 day of 3u...LA • , 1997, I deposited in the mails of the United
States, a sealed envelope containing
•
Pcpc,A %Ad Pec‘st cv .
documents. This information was sent to:
Name Representing
ccsi PerZtail tkou,%‘;..t iwçPav-^thekst.:e
Vv‘%.\v-A-\e Leto
haul F‘e44-
•
(Signature of Sender) $sCuAii-vo. Se„..en-cr.
STATE OF WASHINGTON ) • •
) SS
COUNTY OF KING
I certify that I know or have satisfactory evidence that 64"1 k. signed this
instrument and acknowledged it to be his/her/their free. and voluntary act for the ..!..r. ................s
mentioned in the instrument.
4 10
..ci''7„;. • '-
Dated: •///91-1/q/ o
Notary Public i nd for tyState of W4s.Nr..0.7,1141 vl
•
Notary(Print) MARGARET42PIHLtAll •
• My appointment expires:GemOessitgati,ita8-
.
•
Project Name:
Oe.cEtirsovi Ave vxu.e.
Project Number: Lut% -. -
0 gs •sf‘
NOTARY.DOC
•
„
REPORT City of Renton
Department of Planning/Building/Public Works
DECISION ENVIRONMENTAL REVIEW &
ADMINISTRATIVE LAND USE ACTION
DECISION DATE: July 28, 1997
Project Name: Jefferson Ave. Family Housing
Applicant: CSS/Renton Housing Limited Partnership
Owner: CSS/Renton Housing
Limited Partnership
File Number: LUA-097-088,SA,ECF
Project Manager: Mark R. Pywell, AICP
Project Description: The applicant seeks approval to construct 18 units of affordable housing for
low income families. The project includes four (4) two-bedroom and 14 three-
. bedroom units in five (5) buildings.
Project Location: 1000 Jefferson Ave. NE
Exist. Bldg. Area SF: N/A Proposed New Bldg. Area SF: N/A •
Site Area: 39,559 sf (0.9 acre) Total Building Area SF: N/A
•
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•TS.2—f-- p�
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•
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Project Location Map SITEERC.DOC
1
City of Renton P/B/PW Department Administrative Site Plan Approval&Er 'mental Review Committee Staff Report
• JEFFERSON AVE. FAMILYHOUSINM LUA-97-088,SA,ECF
REPORT AND DECISION OFJULY 28,1997 Page 2 of 12
1
PART ONE: PROJECT DESCRIPTION/BACKGROUND
The project site is currently vacant and includes a portion of the vacated Jefferson Ave. NE. The
applicant intends to construct 18 residential units for low to moderate income families. The 18
dwelling units will be distributed in five buildings. Fourteen of the units will be 3-bedroom units and
four will be 2-bedroom units.
The applicant requested and was granted a waiver from the standards of the Parking and Loading
Ordinance. Normally an eighteen dwelling unit multi-family residential project would require thirty-
two parking stalls. The applicant will be providing thirty parking stalls.
The maximum height of the buildings from the ground to the peak of the pitched roof is
approximately 36' - 9". When measured in accordance with the City of Renton Code, which takes
into account the sloped site and pitched roof, the tallest building will be approximately 30 feet in
height. Both of these heights are well within the maximum height limit for the CS zone which is
fifty-five feet.
PART TWO: ENVIRONMENTAL REVIEW
In compliance with RCW 43.21 C.240, the following project environmental review addresses only
those project impacts that are not adequately addressed under existing development standards
and environmental regulations.
A. Environmental Impacts
The Proposal was circulated and reviewed by various City Departments and Divisions to
determine whether the applicant has adequately identified and addressed environmental
impacts anticipated to occur in conjunction with the proposed development. Staff reviewers
have identified that the proposal is likely to have the following probable impacts:
(1) Earth
Impacts: The applicant will be developing a vacant parcel of land into a five building, 18
dwelling unit, residential development for families with low to moderate incomes. The site is
sloped from the east downwards to the west. In order to prepare the site for construction
the applicant will need to level the site. This work could require a retaining wall/rockery
structure to be constructed along the north and east boundaries of the project site. The
applicant intends to fence the project site. This fencing will reduce the potential of children
accidentally falling on the retaining wall/rockery will taking short cuts through the backyards
of adjacent properties.
A geotech report has been prepared for this project. This report describes the existing soils
and makes recommendations regarding the removal of loose surface material and the
existing grassy vegetation. The applicant will then be required to provide fill material that
can be compacted in accordance with City standards for the building footprints. The
amount of fill and cut material has not been calculated by the applicant. However, the
project has almost direct access to Sunset Blvd. and City staff does not anticipate that truck
traffic will be a significant impact in this area as long as the trucks stay on the major roads
and only operate during non-peak traffic flow periods.
SITEERC.DOC
, City of Renton P/B/PW Department Administrative Site Plan Approval&Er :mental Review Committee Staff Report
• JEFFERSON AVE. FAMILY HOUSINi LUA-97-088,SA,ECF
REPORT AND DECISION OF JULY 28,1997 Page 3 of 12
The applicant will need to provide a temporary erosion control plan for this project. This
plan will detail how the applicant intends to mitigate for the impacts of wind erosion (dust)
and water erosion during the construction phase of the project. The site will be landscaped
as the final phase of construction. Proper landscaping of the site will prevent erosion
during the operational phase of the project.
Mitigation Measures: Temporary Erosion Control shall be installed and maintained to the
satisfaction of the representative of the Development Services Division for the duration of
the project.
Policy Nexus: Mining, Excavation, Grading Ordinance, Environmental Ordinance (SEPA)
(2) Air
Impacts: Adverse air quality impacts could be associated with the construction and
operation phase of this development. Construction impacts would include dust from
grading activities and exhaust from construction equipment. Fugitive dust will be controlled
by compliance with the temporary erosion control measures. The exhaust from construction
equipment is controlled by state and federal regulations. No further mitigation is required
for this specific project.
Operation phase impacts include the heat source for the proposed buildings and exhaust
from the vehicles used by the residents. These impacts are controlled by state and federal
regulations. No further mitigation is required for this specific project.
Mitigation Measures: No mitigation required.
Policy Nexus: N/A
(3) Water
Impacts: This project is located outside of the Aquifer Protection Area for the City of
Renton.
There is an existing surface water line in NE 10th Street and an extension in Index Avenue
NE. The applicant will need to provide an on-site surface water system in accordance with
the King County Surface Water design Manual. The applicant is providing a bio-filtration
system and detention vault.
Mitigation Measures: No further mitigation is required.
Policy Nexus: N/A
(4) Police and Fire Services
Impacts: Police Department staff anticipate that the proposed project will generate 16.56
calls for service annually. Sufficient staffing exist to provide the required level of service.
Fire Department staff note that with the Code-required improvements, sufficient resources
are available to respond to the level of service required for this building. The applicant is
required to provide a Fire Mitigation Fee of$388 per unit (18 units x $388 = $6,984.00).
SITEERC.DOC
. City of Renton P/B/PW Department Administrative Site Plan Approval&Er ?mental Review Committee Staff Report
' JEFFERSON AVE. FAMILY HOUSING LUA-97-088,SA,ECF
REPORT AND DECISION OF JULY 28,1997 Page 9 of 12
Mitigation Measures: The applicant shall submit a Fire Mitigation Fee of $388.00 per unit
(18 units x $388 = $6,984.00) prior to the issuance of building permits.
Policy Nexus: Fire Mitigation Fee Resolution, Environmental Ordinance (SEPA)
(5) Transportation
Impacts: The proposed development could generate an average of 116.46 daily trips. This
level of traffic would have a cumulative impact on the existing City circulation system. To
mitigate this impact the City has adopted a Transportation Mitigation Fee of$75 per
average daily trip. Each unit in this project is anticipated to generate 6.47 average daily
trips. The mitigation fee for this project is $8,734.50 (116.46 trips x $75.00 = $8,734.50).
The roads adjacent to the subject property, such as Sunset Blvd., carry a significant level of
peak hour traffic. In order to mitigate the impact on the existing traffic flows by the
proposed construction the applicant should limit construction vehicle movements and traffic
revisions to the hours between 8:30 AM and 3:30 PM.
Mitigation Measures: The applicant shall submit a Transportation Mitigation Fee of $75.00
per average daily trip (18 units x 6.47 average daily trips/unit = 116.46, 116.46 average
daily trips x $75.00 = $8,734.50). This fee shall be submitted prior to the issuance of
building permits.
The applicant shall submit a construction plan indicating haul rote and hours, construction
hours and a traffic control plan for approval prior to any permit being issued. Haul hours
shall be limited to 8:30 AM to 3:30 PM unless approved in advance by the Development
Services Division.
Policy Nexus: Mining, Excavation, and Grading Ordinance, Transportation Mitigation Fee
Resolution, Environmental Ordinance (SEPA)
(6) Community Services
Impacts: The proposed 18 unit residential development will increase the need for the park
and recreation services that are offered by the City of Renton. To mitigate the impacts of
this development that City has adopted a Parks Mitigation Fee of $354.51 per unit. The
mitigation fee for this project is $6.381.18 (18 units x $354.51 = $6381.18).
Mitigation Measures: The applicant shall submit the Parks Mitigation Fee of $354.51 per
unit (18 units x $354.51 = $6,381.18) prior to the issuance of building permits.
Policy Nexus: Parks Mitigation Fee, Environmental Ordinance (SEPA)
(7) Noise
Impacts: The project site is located adjacent to existing multi-family residential dwelling
units. Construction noise can generate an impact on neighbors unless it is limited to the
hours of normal activity in a residential neighborhood. City staff recommend that the
construction hours be limited to 7:00 AM to 7:00 PM Monday through Friday, Saturdays as
arranged with the City but no hours in excess of the weekday hours and no work on
Sundays.
SITEERC.DOC
. City of Renton PB/PW Department Administrative Site Plan Approval&Er' ',mental Review Committee Staff Report
- JEFFERSONAVE. FAMILY HOUSING LUA-97-088,SA,ECF
REPORT AND DECISION OFJULY 28,1997 Page 5 of 12
Mitigation Measures: Construction hours shall be limited to between 7:00 AM and 7:00 PM,
Monday through Friday, Saturdays as arranged with the Development Services Department
j but no hours in excess of weekday hours, and no Sunday construction.
Policy Nexus: Noise Ordinance, Environmental Ordinance (SEPA)
B. Recommendation
Based on analysis of probable impacts from the proposal, staff recommend that the
Responsible Officials make the following Environmental Determination:
DETERMINATION OF DETERMINATION OF
NON-SIGNIFICANCE NON- SIGNIFICANCE-MITIGATED.
Issue DNS with 14 day Appeal Period. xx Issue DNS-M with 15 day Comment
and A••eal Period.
Issue DNS with 15 day Comment and Issue DNS-M with 15 day Comment
Appeal Period. Period followed by a 14 day Appeal
Period.
C. Mitigation Measures
1. Temporary Erosion Control shall be installed and maintained to the satisfaction of the
representative of the Development Services Division for the duration of the construction of the
project.
2. The applicant shall submit a Fire Mitigation Fee of $388.00 per unit (18 units x $388 =
$6,984.00) prior to the issuance of building permits.
3. The applicant shall submit a Transportation Mitigation Fee of $75.00 per average daily trip
(18 units x 6.47 average daily trips/unit= 116.46, 116.46 average daily trips x$75.00 =
$8,734.50). This fee shall be submitted prior to the issuance of building permits.
4. The applicant shall submit the Parks Mitigation Fee of $354.51 per unit (18 units x $354.51
= $6,381.18) prior to the issuance of building permits.
5. The applicant shall submit a construction plan indicating haul rote and hours, construction
hours and a traffic control plan for approval prior to any permit being issued. Haul hours shall be
limited to 8:30 AM to 3:30 PM unless approved in advance by the Development Services Division.
6. Construction hours shall be limited to between 7:00 AM and 7:00 PM, Monday through
Friday, Saturdays as arranged with the Development Services Department but no hours in excess
of weekday hours, and no Sunday construction.
SITEERC.DOC
, ;City of Renton P/B/PW Department Administrative Site Plan Approval&Er mental Review Committee Staff Report
• I JEFFERSONAVE. FAMILY HOUSING LUA-97-088,SA,ECF
REPORT AND DECISION OFJULY 28,1997 Page 6 of 12
Advisory Notes to Applicant:
The following notes are supplemental information provided in conjunction with the environmental
determination. Because these notes are provided as information only, they are not subject to the
appeal process for environmental determinations.
1. Garbage and recyclable deposit areas and collection points shall be easily and safely accessible to
hauling trucks.
EXISTING CONDITIONS
WATER-There is no existing water line in the access to the site. The nearest waterlines are 6-inch diameter water
lines in NE 10th Street with short 8-inch extensions in Index Ave NE and a 10-inch diameter water line in Kirkland
Ave NE. Fire flow on the 6-inch lines is substandard at approximately 700 gpm with static pressure at
approximately 90 psi. An 8-inch diameter(minimum)water line extension is required to serve this site.
SEWER-There are existing 8-inch diameter sanitary sewer lines.in the vacated Jefferson Avenue NE frontage and in
Index Avenue NE.
STORM-The existing surface water lines are in NE 10th Street and extensions exist in Index Avenue NE.
STREETS -The project has no street frontages, but two access points for emergency and general use.
CODE REQUIREMENTS
WATER
1. The System Development Charge shall be at the current rate of$510 per multi-family unit for a total fee of$9,180.
2. A water main extension to serve the site for both domestic and fire service is required.
SANITARY SEWER
1. The System Development Charge shall be at the current rate of$350 per multi-family unit for a total fee of$6300.
2. Separate side sewers are required for each building.
SURFACE WATER
1. The System Development Charge shall be at the current rate of$0.129 per square foot of new impervious surface.
The drainage report cites 22,400 square feet of new impervious for a total fee of$2889.60.
TRANSPORTATION
1. Only those improvements consistent with a fire lane access or driveway are required of this project. An easement
for emergency access and utilities maintenance shall be required.
PLAN REVIEW - GENERAL
1. All plans shall conform to the Renton Drafting Standards.
2. A construction permit is required. When plans are complete three copies of the drawings,two copies of the drainage
report, a construction estimate, application and appropriate fee shall be submitted to the fourth floor counter. A fee
worksheet is attached for your use. However, it is recommended to call 235-2631 to verify the fees as generated by
the permit system prior to issuing a check.
SITEERC.DOC •
• City of Renton P/B/PW Department Administrative Site Plan Approval&Et !mental Review Committee Staff Report
' i JEFFERSONAVE. FAMILY HOUSING LUA-97-088,SA,ECF
REPORT AND DECISION OFJULY 28,1997 Page 7 of 12
POLICE DEPARTMENT
1. Theft from construction sites is one of the most common reported crimes in the city. To protect
materials and equipment it is recommended that all materials and tools be locked up when not in use.
The site will need security lighting and should also be completely fenced in with portable chain-link
fencing. The fence will provide both a physical and psychological barrier to any prospective thief and
will demonstrate that this area is private property. Construction trailers should be kept locked when not
in use, and should also have a heavy-duty deadbolt installed with no less then a 1-1/2" throw when
bolted. Glass windows in the trailer should be shatter-resistant.
2. Codes access as entry to each building is recommended to prevent trespassing of individuals who
have no right to be on the property. Each unit should have solid core doors, preferably metal or metal
over solid wood with peep holes and heavy-duty dead bolt locks. The bolts need to be at least 1-1/2"
in length when extended and installed with 3"wood screws.
3. Sliding windows, including the glass patio doors, will need additional locks; these locks will need to
secure the windows from being pried out of the frames vertically. This means the locks will need to be
placed into the top or bottom of the frames, in addition to any lock that limits horizontal movement.
(This applies especially to the bottom floor windows that are hidden from view on the rear side of each
building.)
4. Alarm systems are recommended for each unit. The stairways at the complex should be constructed
of lattice or metal railing so visibility is possible through the stairway. There should not be any solid
walls in any stairway that would serve to limit the visibility up and down the stairs and provide a place
for a criminal to hide while waiting for a homeowner to return home. In additional, the balcony walls
also need to be made of either metal or wood lattice or railing - no solid walls for the same purpose.
5. Extra security lighting needs to be installed in the parking lots, along the sidewalks, in the stairways,
and between the buildings. Measures should also be taken to provide additional lighting for the
common trash dumping site. Since this is located away from the complex itself, proper lighting should
be provided to assist in making the area safer for the residents. Each unit should have their individual
unit numbers listed clearly, with the number at least 6" in height of a color that contrasts with the color
of the building and placed under a light. This will aid police or medics who respond to a call in finding
the unit they need to go to.
6. Landscaping around the exterior of the property should not be too dense or high. It is important to
allow visibility. Too much landscaping will give the property the look of a fortress and make the
residents feel isolated, and could also possibly give a burglary sufficient coverage to break into a unit.
FIRE DEPARTMENT
1. The preliminary fire flow is 2,000 gpm. Two fire hydrants are required. One fire hydrant is required
within 150 feet of the structure and one fire hydrant is required within 300 feet of the structure.
2. An approved fire sprinkler system is required within Building 5.
3. An approved fire alarm system is required to be installed throughout all five buildings.
SITEERC.DOC
City of Renton P/B/PW Department Administrative Site Plan Approval&Ei ;mental Review Committee Staff Report
" JEFFERSONAVE. FAMILY HOUSING LUA-97-088,SA,ECF
REPORT AND DECISION OFJULY 28,1997 Page 8 of 12
AIRPORT MANAGER
1. The ground level at the proposed site is 369 feet above sea level. Proposed building height is 36 feet
(tallest), for a total elevation of 405 feet above sea level. The site is located within the Airport
Horizontal Surface, that has an elevation of 179 feet above sea level. A Notice of Proposed
Construction shall be submitted to the FAA for review prior to the issuance of building permits, and the
applicant will need to comply with any restrictions established by the FAA. Issuance/acceptence of a
building permit constitutues acknowledgement that the land use is compatible with the operation of the
airport and that the site is subject to overflight by low flying aircraft 24-hours per day.
PART THREE: ADMINISTRATIVE LAND USE ACTION - REPORT & DECISION
This decision on the administrative land use action is made concurrently with the environmental
determination.
A. Type of Land Use Action
XX Site Plan Review Shoreline Substantial Development Permit
Conditional Use Binding Site Plan
Special Permit for Grade & Fill Administrative Code Determination
B. Exhibits
The following exhibits were entered into the record:
Exhibit No. 1: Yellow file containing: application, proof of posting and publication, environmental
review and other documentation pertinent to this request.
Exhibit No. 2: Drawing No. A1.0, Site Plan (Received June 26, 1997).
Exhibit No. 3: Drawing Nos. A2.1, A2.2, &A2.3, Building Floor Plans (Received June 26, 1997).
Exhibit No. 4: Drawing No. A5.1, A5.2, Building Elevation (Received June 26, 1997).
Exhibit No. 5: Drawing No. L1.0, Landscape Plan (Received June 26, 1997).
Exhibit No. 6: Drawing Nos. 1,2 of 6, Erosion Control Plan (Received June 26, 1997).
Exhibit No. 7: Drawing No. 3 of 6, Grading Plan (Received June 26, 1997).
Exhibit No. 8: Drawing No. 4 of 6, Storm Drainage Plan (Received June 26, 1997).
Exhibit No. 9: Drawing No. 5 of 6, Water& Sewer Plan (Received June 26, 1997).
SITEERC.DOC
City of Renton PB/PW Department Administrative Site Plan Approval&Er mental Review Committee Staff Report
JEFFERSONAVE. FAMILY HOUSING LUA-97-088,SA,ECF
REPORT AND DECISION OF JULY 28, 1997 Page 9 of 12
C. Consistency with Site Plan Criteria
In reviewing the proposal with respect to the site Plan Approval Criteria set forth in Section 4-31-
33(D) of the Site Plan Ordinance, the following issues have been identified by City Departmental
Reviewers and Divisional Reviewers:
CRITERIA:
1. Conformance with the comprehensive plan, its elements and policies;
The project site is designated as Center Suburban (CS) on the Land Use Element Map of the
Comprehensive Plan. Centers are intended to be an intense, mixed use urban places that are
pedestrian oriented and provide a community focus for surrounding neighborhoods. The proposed
project is consistent with goals and policies of the Comprehensive Plan.
Goal 5: Develop a system of facilities which meet the public and quasi-public service needs of
present and future Renton Residents. The proposed project will increase the amount of housing
available within the City of Renton that have low to moderate income levels.
Policy LU-97: Encourage multi-story office, commercial, and multi-family uses. The proposed use
will increase the amount of multi-family housing in this area that is available to families with low to
moderate income levels.
Policy LU-123: In order to achieve a balanced mix, multi-family uses are intended to be integrated
into the Centers. Residential density should be 10-20 dwelling units per acre. New residential only
structures may be limited in order to encourage a 50% commercial office mix within the Center. The
proposed project will a density of 19.8 dwelling units per acre. This density is within the acceptable
range for this area. The project location would discourage its' use for commercial activities in that it is
setback from the main roads in the area and a business located in this area would be difficult for
someone to find.
2. Conformance with existing
x sting land use regulations;
The applicant requested a waiver from the parking standards in order to provide 30 parking spaces on
the site instead of the required 32 parking stalls. This waiver was granted by the Department
Administrator as the families that will be living in these units traditionally really more heavily on public
transportation and own fewer vehicles than higher income families.
The subject property is designated as Center Suburban (CS) on the City of Renton Zoning Map. The
proposed development is consistent with the design standards of the CS zone.
3. Mitigation of impacts to surrounding properties and uses;
The applicant has provided a landscape plan that is acceptable for the proposed project. The
landscaping will act as a buffer between the existing development and the proposed project. The
applicant will also be installing a water quality system that will remove potential pollutants from the
surface water prior to the release of the storm water into the City's storm system.
Although the proposed project provides a density of approximately 20 dwelling units to the acre, the
design of the buildings, pitched roofs and siding materials, will give them an appearance of larger
single family homes.
4. Mitigation of impacts of the proposed site plan to the site;
The applicant will be grading and landscaping the project site as part of the development of this site.
This work will stabilize the site and provide a good foundation for the proposed structures.
A small play area is designed into the project so that younger children will not have to leave the
project to find room to play games. The applicant will need to provide a minimum of a ten foot
separation between the proposed buildings.
The roadway on the site plan is not a dedicated public street. The applicant will need to provide
emergency access and utility easements to the City of Renton to ensure the City's ability to access
the site in the event of an emergency and be able to access the utility mains for this project.
SITEERC.DOC
City of Renton PB/PW Department Administrative Site Plan Approval&E nmental Review Committee Staff Report
JEFFERSON AVE. FAMILY HOUSING LUA-97-088,SA,ECF
REPORT AND DECISION OFJULY 28,1997 Page 10 of 12
5. Conservation of area-wide property values;
The development and maintenance of the proposed project will help to conserve area-wide property
values through the development of a vacant piece of property.
6. Safety and efficiency of vehicle and pedestrian circulation;
A sidewalk system will be provided for the safe movement of pedestrian within the subject property.
This walkway system will be connected into the City's sidewalk system on the adjacent streets.
7. Provision of adequate light and air;
The buildings are well layed out on the subject property. Adequate sunlight will be able to reach the
windows of the proposed residential units. Air will be able to circulate between and around each of
the proposed buildings.
8. Mitigation of noise, odors and other harmful or unhealthy conditions;
No noise, odors, harmful conditions or unhealthy conditions are anticipated with the proposed project.
Existing City Codes will be able to address anything that may develop.
9. Availability of public services and facilities to accommodate the proposed use;and
Adequate services are available to accommodate the proposed project. The applicant will need to
provide the connections to City services.
10. Prevention of neighborhood deterioration and blight.
The proposed project will not lead to neighborhood deterioration or blight. Maintenance of the
structures and proposed landscaping will improve the appearance of this site.
XX Copies of all Review Comments are contained in the Official File.
Copies of all Review Comments are attached to this report.
D. Findings, Conclusions & Decision
Having reviewed the written record in the matter, the City now enters the following:
1) Request: The Applicant has requested Environmental Review and Site Plan Approval
for the construction of 18 residential units in five buildings.
2) Environmental Review: The applicant's file containing the application, State
Environmental Policy Act (SEPA) documentation, the comments from various City departments, the
public notices requesting citizen comment, and other pertinent documents was entered as Exhibit
No. 1.
3) Site Plan Review: The applicant's site plan application complies with the requirements
for information for site plan review. The applicant's site plan and other project drawings are
entered as Exhibits No. 2 thru 9.
4) Comprehensive Plan: The subject proposal is consistent with the Comprehensive
Plan designation of Center Suburban.
5) Zoning: The Conditional Use as presented, complies with the zoning requirements
and development standards of the CS Zoning designation.
6) Existing Land Use: Land uses surrounding the subject site include: North: Residential;
East: Residential; South: Residential & a church and West: Commercial.
SITEERC.DOC
• City of Renton P/B/PW Department Administrative Site Plan Approval&En !mental Review Committee Staff Report
JEFFERSONAVE FAMILYHOUSING LUA-97-088,SA,ECF
REPORT AND DECISION OFJULY 28,1997 Page 11 of 12
E. Conclusions
1) The subject proposal complies with the policies and codes of the City of Renton.
2) The proposal complies with the Comprehensive Plan designation of Center Suburban; and
the Zoning designation of Center Suburban.
F. Decision
The Site Plan for Jefferson Ave. Family Housing, File No. LUA-97-088, is approved subject to
the following conditions.
CONDITIONS:
1. The applicant shall provide copies of emergency access and utility easement(s) prior to issuance of
any building permits. Recording the easement documents shall occur prior to issuance of certificates
for occupancy for any building.
2. The applicant shall provide a minimum of a ten (10) foot separation between the proposed buildings.
EFFECTIVE DATE OF DECISION ON LAND USE ACTION: July 28, 1997
SIGNATURES:
���. 7-22 - 7
James C. Hanson, Zoning Administrator date
Michael D. Kattermann, Zoning Administrator date
TRANSMITTED this 28th day of July, 1997 to the applicant and owner:
CSS/Renton Housing Limited Partnership
100-23rd Ave. S
Seattle, WA 98144
TRANSMITTED this 28th day of July, 1997 to the parties of record:
,I
Myrtle Lotto
1023 Lynnwood Ave. NE
Renton, WA 98056
Paul Fleck(Rep. for Hume Investments)
11,064 Kirkland Ave. NE
Ijenton, WA 98056
SITEERC.DOC
City of Renton P/B/PW Department Administrative Site Plan Approval&Er mental Review Committee Staff Report
JEFFERSONAVE. FAMILY HOUSING LUA-97-088,SA,ECF
REPORT AND DECISION OFJULY 28,1997 Page 12 of 12
TRANSMITTED this 28th day of July, 1997 to the following:
Larry Meckling,Building Official
Art Larson,Fire Prevention
Neil Watts,Public Works Division
Lawrence J.Warren,City Attorney
South County Journal
ADMINISTRATIVE LAND USE AND ENVIRONMENTAL DECISION
• Environmental Determination Comment Process Comments regarding the environmental
determination must be filed in writing on or before 5:00 PM August 11, 1997.
Any aggrieved person feeling that the environmental determination of the Environmental Review Committee is based
on erroneous procedure, errors of law or fact, error in judgment, or the discovery of new evidence that could not be
reasonably available at the time of the determination may submit written comments. After review of the comments, if
the Environmental Review Committee finds there is not sufficient evidence to amend its original determination, then
there will be no further extension of the appeal period. Any person wishing to take further action would need to file a
formal appeal within the original 15-day timeframe.
Written comments must be filed with:
Jana Huerter, Land Use Review Supervisor
City of Renton Development Services Division
200 Mill Avenue South
Renton, WA 98055
• Environmental Determination and Land Use Decision Appeal Process Appeals of either the
environmental determination [RCW 43.21.0075(3),WAC 197-11-680] and/or the land use decision must be
filed in writing on or before 5:00 PM August 11, 1997.
If no appeals are filed by this date, both actions will become final.
Appeals must be filed in writing together with the required $75.00 application fee with:
Hearing Examiner
City of Renton
200 Mill Avenue South
Renton, WA 98055
Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-8-11 B. Additional information
regarding the appeal process may be obtained from the Renton City Clerk's Office, (425)-235-2501.
SITEERC.DOC
.............................. .................................. ..............................
C I I::::<>.
RRENT.PLANNING:DI. .I I N: . . .
><AFFIDAVIT > >F:::.:.<.::
............................................................................
On the 2441 day of 3t , 1997, I deposited in the mails of the United States, a sealed
envelope containing
•
ERC.. c rteVw 1ha'i1MS
documents. This information was sent to:
Name Representing
Department of Ecology
Dick Anderson Department of Transportation
KC Water Pollution Control - Metro
Department of Wildlife
•
Larry Fisher Department of Fisheries
David Dietzman Department of Natural Resources
SIAurket Lu.kAu o eiityr-efSeattle PuJattc• Ut k1 e t
Duwamish Indian Tribe
Rod Malcom, Fisheries Muckleshoot Indian Tribe
Rita Perstac Puget Power
(Signature of Sender) Stufk&Ixt k•• Scow
STATE OF WASHINGTON ')
) SS
COUNTY'OF KING ) -
I certify that I know or have satisfactory evidence that i -Arb 2A- 1<- 5& signed this
instrument and acknowledged it to be his/her/their free and voluntary act for the uses ,and purposes
mentioned in the instrument:
/i4
Dated: / 7// 'F •
�.f I AA/:_:.Q •" s,
Notary Pu is in an• •r the State of W130tig1910101-3 y
CL .
Notary (
My appointment expi •. A
COMMISSION EXPIRES 6498
•
Project Name: Otitis
Project Number: LUtht - q - Ogg ' SAt, Er
NOTARY.DOC
•• CITI OF RENTON
::ii ; � Planning/Building/Public Works Department
Jesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator
July 23, 1997
•
Washington State
Department of Ecology
Environmental Review Section
PO Box 47703 •
Olympia, WA 98504-7703
Subject: Environmental Determinations
Transmitted herewith is a copy of the Environmental Determination and Environmental Checklist for the following project
reviewed by the Environmental Review Committee (ERC) on July 22, 1997:
DETERMINATION OF NON-SIGNIFICANCE-MITIGATED
JEFFERSON AVENUE FAMILY HOUSING
LUA-97-088,SA,ECF
The applicant seeks•approval to constrict 18 units of affordable housing for low income families. The project
includes four(4)two-bedroom and 14 three-bedroom units in five (5) buildings. Location: 1000 Jefferson
Avenue NE. •
Comments regarding the environmental determination must be filed in writing on or before 5:00 PM August 11,
1997. Any aggrieved person feeling that the environmental determination of the Environmental Review Committee is
based on erroneous procedure,errors of law or fact, error in judgment, or the discovery of new evidence that could not
be reasonably available at the time'of the determination may;submit written comments.After review of the comments, if
the Environmental Review Committee finds there is not sufficient evidence to amend its original determination,then
there will be no further extension of the appeal period. Any person wishing to take further action would need to file a
formal appeal within the original 15-day timeframe. Written comments must be filed with: Jana Huerter, Land Use
Review Supervisor, City of Renton Development Services Division,200 Mill Avenue South, Renton, WA 98055.
Appeals of either'the environmental determination [RCW 43.21.0075(3),WAC 197-11-680]and/or the land use
decision must be filed in writing on or before 5:00 PM August 11, 1997. If no appeals are filed by this date, both
actions will become final. Appeals must be filed in writing together with the required $75.00 application fee with: Hearing
Examiner, City of Renton, 200 Mill Avenue South, Renton, WA 98055. Appeals to the Examiner are governed by City of
Renton Municipal Code Section 4-8-11 B. Additional information regarding the appeal process may be obtained,from the
Renton City Clerk's Office, (425)-235-2501.
If you have questions, please call me at (425)277-5586.
For the Environmental Review Committee, ."
Mark R. P , ICP
Project ager
cc: King County Water Pollution Control Division, Metro
Larry Fisher, Department of Fisheries
David F. Dietzman, Department of Natural Resources
_ Don Hurter, Department of Transportation
Shirley Lukhang, Seattle Public Utilities
Duwamish Tribal Office
Rod Malcom, Fisheries, Muckleshoot Indian Tribe (Ordinance) .
Rita Perstac, Puget Power
AGNCYLTR.DOC\
200 Mill Avenue South - Renton, Washington 98055
This paper contains 50%recycled material.20%post consumer
to > CITE OF RENTON
" ..•
'' Planning/Building/Public Works Department
�'
Jesse Tanner,MayorGreggre Zimmerman P.E.,Administrator
July 23, 1997
Ms.Stephanie Durman
Catholic Community Services
100-23rd Avenue South
Seattle,WA 98144
SUBJECT: Jefferson Avenue Family Housing
Project No. LUA-97-088,SA,ECF
Dear Ms. Durman:
This letter is written on behalf of the Environmental Review Committee (ERC) and is to inform you that they have completed their
review of the environmental impacts of the above-referenced project: The Committee, on July 22, 1997, issued a threshold
Determination of Non-Significance-Mitigated with conditions. See the enclosed Mitigation Measures document.
WAC 197-11-660 states that the responsibility for mitigation measures may be imposed upon an applicant only to the extent
'attributable to the identified adverse impacts of the imposed action. "Since an environmental impact statement has,not been
prepared for this project, any mitigation measures established by the ERC not directly attributable to an identified adverse impact
is deemed to be voluntarily accepted by the applicant. Staff,urges you to contact the various City representatives;as appropriate,
(e.g.,the Public Works Division) as soon as possible,`to obtain more'information concerning specific mitigation measures for this
project, if you have specific questions. This information will,assist you in planning for implementation of your project and will •
enable you to exercise your appeal rights more fully,if you choose to do so. .•
Comments regarding the environmental determination must be filed in writing on or before 5:00 PM August 11, 1997.
Any aggrieved person feeling that the'environmental determination of the Environmental Review Committee is based on
erroneous procedure, errors of law or fact, error in judgment, or the discovery of new evidence that could not be reasonably
available at the time of the determination may submit written comments. After review of the comments, if the Environmental
Review Committee finds there is not sufficient evidence to amend its original determination,then there will be no further extension
of the appeal period. Any person wishing to take further action would need to file a formal appeal within the original 15-day
timeframe. "Written comments must be filed with: Jana Huerter, Land Use Review Supervisor, City of Renton Development
Services Division,200 Mill Avenue South,Renton,WA 98055.
Appeals of either the environmental determination [RCW 43.21.0075(3),WAC 197-11-680] and/or the land use decision
must be filed in writing on or before 5:00 PM August 11, 1997. If no appeals are filed by this date, both actions will become
final. Appeals must be filed in writing together with the required$75.00 application fee with: Hearing Examiner, City of Renton,
200 Mill Avenue South, Renton,WA 98055. Appeals to the Examiner are governed by City of Renton Municipal Code Section 4-
8-11 B. Additional information regarding the appeal process may be obtained from the Renton City Clerk's Office, (425)-235-
2501.
If you have any questions or.desire clarification of the above,please call me at(425)277-5586.
For the Environmental Review Committee,
Mark R. P ,AICP
Project M ager,
cc: Parties of Record:, Ms. Myrtle Lotto; Mr. Paul Fleck ,
Enclosure
DNSMLTR.DOC - •
200 Mill Avenue South -Renton,Washington 98055
,z,
e«
CITY OF RENTON
DETERMINATION OF NON-SIGNIFICANCE
(MITIGATED)
MITIGATION MEASURES AND CONDITIONS
APPLICATION NO(S): LUA-97-088,SA,ECF
APPLICANT: CSS/Renton Housing Limited Partnership
PROJECT NAME: . . Jefferson Avenue Family Housing
DESCRIPTION OF PROPOSAL: . The applicant seeks approval to construct 18 units of affordable
housing for low income families. The project includes four(4) two-bedroom and 14 three-bedroom units.
in five (5) buildings
LOCATION OF PROPOSAL: 1000 Jefferson Avenue NE
MITIGATION MEASURES:
1. Temporary Erosion Control shall be installed and maintained to the satisfaction of the
representative of the Development Services Division for the duration of the construction of the
project.
ii
2. The applicant shall submit a Fire Mitigation Fee of$388.00 per unit(18 units x$388
$6,984.00) prior to the issuance of building permits.
3. The applicant shall submit a Transportation Mitigation Fee of$75.00per average daily trip (18
PP , P. 9 Y P
units x 6.47 average daily trips/unit= 1y16:46, 116.46 average daily trips x$75.00= $8,734.50).
This fee shall be submitted prior to the,issuance of building permits.
•4. The applicant shall submit the Parks Mitigation Fee of$354.51 per unit(18 units x$354.51 =
'$6,381.18) prior to the issuance of building permits. '
5. The applicant shall submit a construction plan indicating haul rote and hours, construction hours
and a traffic control plan for approval prior to any-permit being issued. Haul hours shall be r;
limited to 8:30 AM to 3:30 PM unless approved in advance by the Development Services
Division.
6. Construction hours shall be limited to between 7:00 AM and 7:00 PM, Monday through Friday,
Saturdays as'arranged with the Development Services Department but no hours in excess of
weekday hours, and no Sunday construction.
. F
The Site Plan for Jefferson Ave. Family Housing, File No. LUA-97-088, is approved subject
to the following conditions. y
•
CONDITIONS:
1.. The applicant shall provide copies of emergency access and utility easement(s) prior to issuance of
any building permits: Recording the easement documents shall occur prior to issuance of certificates
for occupancy for any building. •
2. . The applicant shall provide a minimum of a ten (10)foot separation between the proposed buildings.
CITY OF RENTON
DETERMINATION OF NON-SIGNIFICANCE
(MITIGATED)
ADVISORY NOTES
APPLICATION NO(S): LUA-97-088,SA,ECF
APPLICANT: •CSS/Renton Housing Limited Partnership
PROJECT NAME: Jefferson Avenue Family Housing
DESCRIPTION OF PROPOSAL: The applicant seeks approval to construct 18 units of affordable
housing for low income families. The project includes four (4) two-bedroom and 14 three-bedroom units
in five (5) buildings
LOCATION OF PROPOSAL: 1000 Jefferson Avenue NE -
Advisory Notes to Applicant:
The following notes are supplemental information provided in conjunction with the
environmental determination Because these notes are provided as information only, they are
not subject to the appeal process for environmental determinations.
• 1.- Garbage and recyclable deposit areas and collection points shall be easily and safely accessible to
hauling trucks.:
EXISTING CONDITIONS
WATER-There is no existing water line in the access to the site. The nearest water lines are 6-inch diameter
•- water lines in NE 10th Street with short 8-inch extensions in Index Ave NE and a 10-inch diameter water
line in Kirkland Ave NE. .`'Fire flow on the 6-inch lines is substandard at approximately 700 gpm with static
pressure at approximately 90 psi. An 8-inch diameter(minimum)water line extension is required to serve
this site. .
SEWER-There are existing 8-inch diameter sanitary sewer lines in the vacated Jefferson Avenue NE frontage
and in Index Avenue NE.
STORM-The existing surface water lines are in NE 10th`Street and extensions exist in Index Avenue NE.
STREETS-The project has no street frontages,but two access points for emergency and general use.
CODE REQUIREMENTS ..
WATER
-
1. The System Development Charge shall be at the current rate of$510 per multi family unit for a total fee of
$9,180.
2. A water main extension to serve the site for both domestic and fire service is required.
SANITARY SEWER
1..'• The System Development Charge shall be at the current rate of$350 per multi family unit for a total fee of -
$6300,
• 2. Separate side sewers are required for each building. •: ' `
'''
. .
. .
. .
- . .
. .,
. .
Jefferson Avenue Family Housing
• LUA-97-088,SA,ECF '
•
Advisory Notes(Continued)
Page 2 ,
I.
SURFACE WATER 1
1. The System Development Charge shall be at the current rate of$0.129 per square foot of new impervious
• surface. The drainage report cites 22,400 square feet of new impervious for a total fee of$2889.60.
• ,
. TRANSPORTATION i •
- ,
1. Only those improvements consistent with a fire lane access or driveway are required,of this project. An
- easement for emergency access and utilities maintenance shall be required. .
PLAN REVIEW-GENERAL• ,
1. All plans shall conforni to the Renton Drafting Standards.
. I.
•
2. . A construction permit is required.When plans are comPlete three copies of the drawings,two copies of the
drainage report,a construction estimate,application and appropriate fee shall be submitted to the fourth floor I
counter. A fee worksheet is attached for your use.However,it is recommended to call 235-2631 to verify the
fees as generated by the permit system prior to issuing a check.
POLICE DEPARTMENT • - • , .
- . .
1. Theft from construction sites is one of the most common reported crimes in the city. To protect. ,
,
materials and equipment it is recommended that all:materials and tools be locked up when not in
use. The site will need security lighting and should also be completely fenced in with portable chain-
link
fencing. The fence will provide both a physical and psychological barrier to any prospective thief .
and will demonstrate that this area is private property. Construction trailers should be kept locked
when not in use, and should also have a heavy-duty deadbolt installed with no less then a 1-1/2"
' • : throw when bolted: Glass windows in the trailer should be shatter-resistant
•." ' '. 2. Codes access as entry to each building is recommended to prevent trespassing of individuals who
have no right to be on the Property. Each unit should have solid core doors, preferably metal or
metal over solid wood with peep holes and heavy-duty dead bolt locks The bolts need to be at least
1-1/2"in length when extended and installed With 3",wood screws.
, .
3. Sliding windows, including the glass patio doors,will need additional locks,these locks will need to
secure the windows from being pried out of the frames vertically: This means the locks will need to
., be placed into the top or bottom of the frames, in addition to any lock that limits horizontal 1
movement.. (This applies especially to the bottomindows that are hidden from view on the:
floor w ,
rear side of each building)
4. Alarm Systems are recommended for each Unit. The stairways at the complex should be constructed 11
of lattice or metal railing so visibility is possible through the stairway. There should not be any.solid
walls in any stairway that would serve to limit the visibility up and down the stairs and provide a place
for a criminal to hide while waiting for a homeowner to return home. In additional,the balcony walls
also need to be made Of either metal or wood lattice or railing-no solid walls for the same purpose. • , .
5. Extra security lighting needs-to be installed in the parking lots, along the sidewalks, in the stairways,
and between the buildings. Measures should also be taken to provide additional lighting for the
common trash dumping site. Since this is located away from the complex itself, proper lighting I
should be provided to assist in making the area safer for the residents. Each unit should have their
individual unit numbers listed clearly,with the number at least 6"in height of a color that contrasts
with the color of the building and placed under a light This will aid police or medics who respond to
a call in finding the unit they need to go to.
•
• . :- • ,
. . '
6. Landscaping around the exterior of the property should not be too dense or high. It is important to
allow Visibility. Too much landscaping will give the property the look of a fortress and make the ., .
, , : •residents feel isolated, and could also possibly give a burglary sufficient coverage to break into a
unit
, .. .
. . .
y _
Jefferson Avenue Family Housing LUA-97-088,SA,ECF
Advisory Notes(Continued)
Page 3
FIRE DEPARTMENT
1. The preliminary fire flow is 2,000 gpm. Two fire hydrants are required. One fire hydrant is required
within 150 feet of the structure and one fire hydrant is required within 300 feet of the structure.
2. An approved fire sprinkler system is required within Building 5.
3. An approved fire alarm system is required to be installed throughout all five buildings. •
AIRPORT MANAGER
1. The ground level at the proposed site is 369 feet above sea level. Proposed building height is 36
feet(tallest),for a total elevation of 405 feet above sea level. The site is located within the Airport
Horizontal Surface,that has an elevation of 179 feet above sea level. A Notice of Proposed
Construction shall be submitted to the FAA for review prior to the issuance of building permits, and
the applicant will need to comply with any restrictions established by the FAA. Issuance/acceptence
of a building permit constitutues acknowledgement that the land use is compatible with the operation
of the airport and that the site is subject to overflight by low flying aircraft 24-hours per day.
1.
CITY OF RENTON
DETERMINATION OF NON-SIGNIFICANCE
(MITIGATED)
APPLICATION NO(S): LUA-97-088,SA,ECF
APPLICANT: CSS/Renton Housing Limited Partnership
PROJECT NAME: Jefferson Avenue Family Housing
DESCRIPTION OF PROPOSAL: The applicant seeks approval to construct 18 units of affordable housing for low
income families. The project includes four(4)two-bedroom and 14 three-bedroom units in five (5) buildings
LOCATION OF PROPOSAL: 1000 Jefferson Avenue NE
LEAD AGENCY: City of Renton
Department of Planning/Building/Public Works
Development Planning Section
The City of Renton Environmental Review Committee has determined that it does not have a probable significant
adverse impact on the environment. An Environmental Impact Statement (EIS) is not required under RCW
43.21 C.030(2)(c). Conditions were imposed as mitigation measures by the Environmental Review Committee under their
authority of Section 4-6-6 Renton Municipal Code. These conditions are necessary to mitigate environmental impacts
identified during the environmental review process.
Comments regarding the environmental determination must be filed in writing on or before 5:00 PM August 11,
1997. Any aggrieved person feeling that the environmental determination of the Environmental Review Committee is
based on erroneous procedure, errors of law or fact, error in judgment, or the discovery of new evidence that could not
be reasonably available at the time of the determination may submit written comments. After review of the comments, if
the Environmental Review Committee finds there is not sufficient evidence to amend its original determination, then
there will be no further extension of the appeal period. Any person wishing to take further action would need to file a
formal appeal within the original 15-day timeframe. Written comments must be filed with: Jana Huerter, Land Use
Review Supervisor, City of Renton Development Services Division, 200 Mill Avenue South, Renton, WA 98055.
Appeals of either the environmental determination [RCW 43.21.0075(3), WAC 197-11-680] and/or the land use
decision must be filed in writing on or before 5:00 PM August 11, 1997. If no appeals are filed by this date, both
actions will become final. Appeals must be filed in writing together with the required $75.00 application fee with: Hearing
Examiner, City of Renton, 200 Mill Avenue South, Renton, WA 98055. Appeals to the Examiner are governed by City of
Renton Municipal Code Section 4-8-11 B. Additional information regarding the appeal process may be obtained from the
Renton City Clerk's Office, (425)-235-2501.
PUBLICATION DATE: JULY 28, 1997
DATE OF DECISION: JULY 22, 1997
SIGNATURES:
--;-7-7?-„,---- -/6-#4,--e---- 7Z5.7C_
i / 7- 2,2,-F7
g Zimmerman,Adlministrator DATE
partment of Planning/Building/Public Works
Sam Chastain, Administrator DATE
Community Service Department
�� 7r 77"'I7
a Lee W 'e ler, Fire Chief DATE
Rent n Fire Department
CITY OF RENTON
DETERMINATION OF NON-SIGNIFICANCE
(MITIGATED)
MITIGATION MEASURES AND CONDITIONS
APPLICATION NO(S): LUA-97-088,SA,ECF
APPLICANT: CSS/Renton Housing Limited Partnership
PROJECT NAME: Jefferson Avenue Family Housing
DESCRIPTION OF PROPOSAL: The applicant seeks approval to construct 18 units of affordable
housing for low income families. The project includes four (4) two-bedroom and 14 three-bedroom units
in five (5) buildings
LOCATION OF PROPOSAL: 1000 Jefferson Avenue NE
MITIGATION MEASURES:
1. Temporary Erosion Control shall be installed and maintained to the satisfaction of the
representative of the Development Services Division for the duration of the construction of the
project.
2. The applicant shall submit a Fire Mitigation Fee of$388.00 per unit (18 units x$388 =
$6,984.00) prior to the issuance of building permits.
3. The applicant shall submit a Transportation Mitigation Fee of$75.00 per average daily trip (18
units x 6.47 average daily trips/unit= 116.46, 116.46 average daily trips x$75.00 = $8,734.50).
This fee shall be submitted prior to the issuance of building permits.
4. The applicant shall submit the Parks Mitigation Fee of$354.51 per unit(18 units x$354.51 =
$6,381.18) prior to the issuance of building permits.
5. The applicant shall submit a construction plan indicating haul rote and hours, construction hours
and a traffic control plan for approval prior to any permit being issued. Haul hours shall be
limited to 8:30 AM to 3:30 PM unless approved in advance by the Development Services
Division.
6. Construction hours shall be limited to between 7:00 AM and 7:00 PM, Monday through Friday,
Saturdays as arranged with the Development Services Department but no hours in excess of
weekday hours, and no Sunday construction.
The Site Plan for Jefferson Ave. Family Housing, File No. LUA-97-088, is approved subject
to the following conditions.
CONDITIONS:
1. The applicant shall provide copies of emergency access and utility easement(s) prior to issuance of
any building permits. Recording the easement documents shall occur prior to issuance of certificates
for occupancy for any building.
2. The applicant shall provide a minimum of a ten (10)foot separation between the proposed buildings.
CITY OF RENTON
DETERMINATION OF NON-SIGNIFICANCE
(MITIGATED)
ADVISORY NOTES
APPLICATION NO(S): LUA-97-088,SA,ECF
APPLICANT: CSS/Renton Housing Limited Partnership
PROJECT NAME: Jefferson Avenue Family Housing
DESCRIPTION OF PROPOSAL: The applicant seeks approval to construct 18 units of affordable
housing for low income families. The project includes four(4) two-bedroom and 14 three-bedroom units
in five (5) buildings
LOCATION OF PROPOSAL: 1000 Jefferson Avenue NE
Advisory Notes to Applicant:
The following notes are supplemental information provided in conjunction with the
environmental determination. Because these notes are provided as information only, they are
not subject to the appeal process for environmental determinations.
1. Garbage and recyclable deposit areas and collection points shall be easily and safely accessible to
hauling trucks.
EXISTING CONDITIONS
WATER-There is no existing water line in the access to the site. The nearest water lines are 6-inch diameter
water lines in NE 10th Street with short 8-inch extensions in Index Ave NE and a 10-inch diameter water
line in Kirkland Ave NE. Fire flow on the 6-inch lines is substandard at approximately 700 gpm with static
pressure at approximately 90 psi. An 8-inch diameter(minimum)water line extension is required to serve
this site.
SEWER-There are existing 8-inch diameter sanitary sewer lines in the vacated Jefferson Avenue NE frontage
and in Index Avenue NE.
STORM-The existing surface water lines are in NE 10th Street and extensions exist in Index Avenue NE.
STREETS-The project has no street frontages,but two access points for emergency and general use.
CODE REOU1REMENTS
WATER
1. The System Development Charge shall be at the current rate of$510 per multi-family unit for a total fee of
$9,180.
2. A water main extension to serve the site for both domestic and fire service is required.
SANITARY SEWER
1. The System Development Charge shall be at the current rate of$350 per multi family unit for a total fee of
$6300.
2. Separate side sewers are required for each building.
Jefferson Avenue Family Housing
LUA-97-088,SA,ECF
Advisory Notes(Continued)
Page 2
SURFACE WATER
1. The System Development Charge shall be at the current rate of$0.129 per square foot of new impervious
surface. The drainage report cites 22,400 square feet of new impervious for a total fee of$2889.60.
TRANSPORTATION
1. Only those improvements consistent with a fire lane access or driveway are required of this project. An
easement for emergency access and utilities maintenance shall be required.
PLAN REVIEW-GENERAL
1. All plans shall conform to the Renton Drafting Standards.
2. A construction permit is required.When plans are complete three copies of the drawings,two copies of the
drainage report,a construction estimate,application and appropriate fee shall be submitted to the fourth floor
counter. A fee worksheet is attached for your use.However,it is recommended to call 235-2631 to verify the
fees as generated by the permit system prior to issuing a check.
POLICE DEPARTMENT
1. Theft from construction sites is one of the most common reported crimes in the city. To protect
materials and equipment it is recommended that all materials and tools be locked up when not in
use. The site will need security lighting and should also be completely fenced in with portable chain-
link fencing. The fence will provide both a physical and psychological barrier to any prospective thief
and will demonstrate that this area isprivate property. Construction trailers should be kept locked
when not in use, and should also have a heavy-duty deadbolt installed with no less then a 1-1/2"
throw when bolted. Glass windows in the trailer should be shatter-resistant.
2. Codes access as entry to each building is recommended to prevent trespassing of individuals who
have no right to be on the property. Each unit should have solid core doors, preferably metal or
metal over solid wood with peep holes and heavy-duty dead bolt locks. The bolts need to be at least
1-1/2" in length when extended and installed with 3"wood screws.
3. Sliding windows, including the glass patio doors,will need additional locks;these locks will need to
secure the windows from being pried out of the frames vertically. This means the locks will need to
be placed into the top or bottom of the frames, in addition to any lock that limits horizontal
movement. (This applies especially to the bottom floor windows that are hidden from view on the
rear side of each building.)
4. Alarm systems are recommended for each unit. The stairways at the complex should be constructed
of lattice or metal railing so visibility is possible through the stairway. There should not be any solid
walls in any stairway that would serve to limit the visibility up and down the stairs and provide a place
for a criminal to hide while waiting for a homeowner to return home. In additional,the balcony walls
also need to be made of either metal or wood lattice or railing- no solid walls for the same purpose.
5. Extra security lighting needs to be installed in the parking lots, along the sidewalks, in the stairways,
and between the buildings. Measures should also be taken to provide additional lighting for the
common trash dumping site. Since this is located away from the complex itself, proper lighting
should be provided to assist in making the area safer for the residents. Each unit should have their
individual unit numbers listed clearly,with the number at least 6" in height of a color that contrasts
with the color of the building and placed under a light. This will aid police or medics who respond to
a call in finding the unit they need to go to.
6. Landscaping around the exterior of the property should not be too dense or high. It is important to
allow visibility. Too much landscaping will give the property the look of a fortress and make the
residents feel isolated, and could also possibly give a burglary sufficient coverage to break into a
unit.
. ' Jefferson Avenue Family Housing
LUA-97-088,SA,ECF
Advisory Notes(Continued)
Page 3
FIRE DEPARTMENT
1. The preliminary fire flow is 2,000 gpm. Two fire hydrants are required. One fire hydrant is required
within 150 feet of the structure and one fire hydrant is required within 300 feet of the structure.
2. An approved fire sprinkler system is required within Building 5.
3. An approved fire alarm system is required to be installed throughout all five buildings.
AIRPORT MANAGER
1. The ground level at the proposed site is 369 feet above sea level. Proposed building height is 36
feet(tallest), for a total elevation of 405 feet above sea level. The site is located within the Airport
Horizontal Surface,that has an elevation of 179 feet above sea level. A Notice of Proposed
Construction shall be submitted to the FAA for review prior to the issuance of building permits, and
the applicant will need to comply with any restrictions established by the FAA. Issuance/acceptence
of a building permit constitutues acknowledgement that the land use is compatible with the operation
of the airport and that the site is subject to overflight by low flying aircraft 24-hours per day.
a
ENVIRONMENTAL DETERMINATION
POSTED TO NOTIFY INTERESTED PERSONS OF AN ENVIRONMENTAL ACTION
•
PROJECT NAME: JEFFERSON AVENUE FAMILY HOUSING
PROJECT NUMBER: LUA-97-0e8.SA,ECF
The applicant seeks approval to construct 18 units of affordable housing for low income
families. The project includes four(4)two-bedroom and 14 three-bedroom units in five(5)
buildings. Location: 1000 Jefferson Avenue NE.
THE CITY OF RENTON ENVIRONMENTAL REVIEW COMMITTEE (ERC) HAS DETERMINED
THAT THE PROPOSED ACTION DOES NOT HAVE A SIGNIFICANT ADVERSE IMPACT ON THE
ENVIRONMENT.
11 YOU MAY COMMENT ON THIS DETERMINATION BY 5:00 PM ON AUGUST 11.1997 OR APPEAL
THIS DETERMINATION BY 5:00 PM,,4000ST 11,1997.THE COMMENTAND APPEAL PERIODS
WILL RUN CONCURRENTLY.
•
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1 I I 1—'1 I Y• I r1 I 1
•
•
•
FOR FURTHER INFORMATION,PLEASE CONTACT THE CITY OF RENTON,DEVELOPMENT
SERVICES DIVISION AT 235-2550.
DO NOT REMOVE THIS NOTICE WITHOUT PROPER AUTHORIZATION
' Please Include the project NUMBER when caIling= ": " •
CERTIFICATION
•
Ir ,. ',t/ir i , hereby certify that copies of the.above document
were posted by me in 7 conspicuous places on or nearby the described property on
7u�-y u/ Io44 •
Signed: ✓ �GL •
STATE OF WASHINGTON ) •
) SS
COUNTY OF KING )
I certify that I know or have satisfactory evidence that • ,Tr 411 nl t°
signed this instrument and acknowledged it to be his/her/their free and volu5104�\40I/>doijhe uses
and purposes mentioned in the instrument. 0 =•b:�
Dated: dJ � /0'7 /121 '
1'7Q.Ry
Notary Publi •n and f r he St4l idi lll.;a, .�'irkg,t,oii
Notary (Print) MARGARE!J• PULLAR
My appointment expire >at.M SRO 4 aPIRES6/9/98
NO TAR Y•OOC
NioricE
ENVIRONMENTAL DETERMINATION
POSTED TO NOTIFY INTERESTED PERSONS OF AN ENVIRONMENTAL ACTION
PROJECT NAME: JEFFERSON AVENUE FAMILY HOUSING
PROJECT NUMBER: LUA-97-088,SA,ECF
The applicant seeks approval to construct 18 units of affordable housing for low income
families. The project includes four (4) two-bedroom and 14 three-bedroom units in five (5)
buildings. Location: 1000 Jefferson Avenue NE.
THE CITY OF RENTON ENVIRONMENTAL REVIEW COMMITTEE (ERC) HAS DETERMINED
THAT THE PROPOSED ACTION DOES NOT HAVE A SIGNIFICANT ADVERSE IMPACT ON THE
ENVIRONMENT:
MO( YOU MAY COMMENT ON THIS DETERMINATION BY 5:00 PM ON AUGUST 11. 1997 OR APPEAL
THIS DETERMINATION BY 5:00 PM,AUGUST 11, 1997. THE COMMENT AND APPEAL PERIODS
WILL RUN CONCURRENTLY.
2; .'. 'fir, _��:.F g.�.-J [�K.• _W, 1 �u
��y��y�q�- ry.l r^HpR iNGTOK '.flE N.E. .L u:y+..�Jl���,
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JEFFERSON s_t— AV_E !-_ • OF , IS., ,,tc,:: \c•i.- •,I,..
Flaop . , •r .. ` 12, 13, s4`o ,® •
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SIR CECRIC
MONROE • AVE. N.E. •" ,I:
•
FOR FURTHER INFORMATION, PLEASE CONTACT THE CITY OF RENTON, DEVELOPMENT
SERVICES DIVISION AT 235-2550.
DO NOT REMOVE THIS NOTICE WITHOUT PROPER AUTHORIZATION
ro ect NUMB R.
AFFIDAVIT OF PUBLICATION -
Kristina Thompson, being first duly sworn on oath states that he/she is the Legal Clerk of
the
SOUTH COUNTY JOURNAL
600 S. Washington Avenue, Kent, Washington 98032 NOTICE OF ENVIRONMENTAL
DETERMINATION
REV REVIEW COMMITTEE ENVIRONMENTAL
a daily newspaper published seven (7)times a week. Said newspaper is a legal RENTON,WASHINGTON
'The Environmental Review Committee
newspaper of general publication and is now and has been for more than six months CRC)has issued a Determination of Non-
prior to the date of publication, referred to, printed and published in the English language lignificance - Mitigated for the following
continually as a daily newspaper in Kent, King County, Washington. The South County roject Under the authority of the Renton
Journal has been approved as a legal newspaper order of the Superior Court of the lumcipal Code.
PP 9by P =FFERSON AVE.FAMILY HOUSING
State of Washington for King County. UA:97-088,5A,ECF
The notice in the exact form attached, was published in the South County Environmental review and administrative
Journal (and not in supplemental form)which was regularly distributed to the subscribers site approval for construction of affordable
during the below stated period. The annexed notice, a housing for low income families. Location:
1000 Jefferson Ave.NE. 1
The 15 day comment and appeal period
Notice of Environmental Determination- Jefferson Ave. Faminly Housing ; for this project will run concurrently. The
' comment/appeal periods for this project will
as published on: 7/28/97 ' end at 5:00 PM on August 11, 1997.
Written comments shall be forwarded to
the Development Services Division Land
The full amount of the fee charged for s i f regoing publication is the sum of$39.31 Use Review Supervisor.Information on the
Legal Number 3393 project file and the mitigation measures .
g imposed by the City of Renton's
Environmental Review Committee are
available at the Development Services
Division, Third Floor, Municipal Building,
Renton, Washington 98055. Phone: 235-
Le, Clerk, S th Cot nt Jour 2550. Appeal procedures are available in
' the City Clerk's office,First Floor,Municipal
Building.
19 Subscribed and sworn before me on this clay ofA/1% 1� , July
in the South County Journal I .
ly 28,1997.3393 _ __ _ ----- 9
....®tea. rr„arrikr ...]0
�'��:�` sioN° @f• ig Notary Public of the State of Washington
� • ;�> •
e ...-c ,�,cp•f residing in Renton
• -� , p T A R y s= �'P King County, Washington
/ic;�4pV BL1G� =.�i •
dd,,--;, n 2 G ..\O®,1
NOTICE OF ENVIRONMENTAL DETERMINATION
ENVIRONMENTAL REVIEW COMMITTEE
RENTON, WASHINGTON
The Environmental Review Committee (ERC) has issued a Determination of Non-Significance -
Mitigated for the following project under the authority of the Renton Municipal Code.
JEFFERSON AVE. FAMILY HOUSING
LUA-97-088,SA,ECF
Environmental review and administrative site approval for construction of affordable
housing for low income families. Location: 1000 Jefferson Ave. NE.
The 15 day comment and appeal period for this project will run concurrently. The comment/appeal
periods for this project will end at 5:00 PM on August 11, 1997. Written comments shall be forwarded to
the Development Services Division Land Use Review Supervisor. Information on the project file and the
mitigation measures imposed by the City of Renton's Environmental Review Committee are available at
the Development Services Division, Third Floor, Municipal Building, Renton, Washington 98055.
Phone: 235-2550. Appeal procedures are available in the City Clerk's office, First Floor, Municipal
Building.
Publication Date: July 28, 1997
Account No. 51067
dnsmpub.dot
City of Renton Department of Planning/Building/Public Works
ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET
REVIEWING DEPARTMENT: Te) %( COMMENTS DUE: JULY 14, 1997
APPLICATION NO: LUA-97-088,SA,ECF DATE CIRCULATED: JUNE 30, 1997
APPLICANT: CATHOLIC COMMUNITY SERVICES PROJECT MANAGER: MARK PYWELL
PROJECT TITLE: JEFFERSON AVENUE FAMILY HOUSING WORK ORDER NO: 78238
LOCATION: 1000 JEFFERSON AVENUE NE
SITE AREA: 39,559 SQ.FT. I BUILDING AREA(gross): N/A
SUMMARY OF PROPOSAL: The applicant seeks approval to construct 18 units of affordable housing for low income
families. The project includes four(4)two-bedroom and 14 three-bedroom units in five (5) buildings.
AV I
A. ENVIRONMENTAL IMPACT(e.g.Non-Code) COMMENTS
Element of the Probable Probable More Element of the Probable Probable More
Environment Minor Major Information Environment Minor Major information
Impacts impacts Necessary Impacts Impacts Necessary
Earth Housing
Air Aesthetics
Water Light/Glare
Plants. Recreation
Land/Shoreline Use Utilities
Animals Transportation
Environmental Health Public Services o/
Energy/ Historic/Cultural
Natural Resources Preservation
Airport Environment
10,000 Feet
14,000 Feet
6912/71e/7/4 cA a,€)%d k /05/-/e/ C6Aiieh2e/.. .
B. POLICY-RELATED COMMENTS.
C. CODE-RELATED COMMENTS
We have reviewed this application with particular attention to those areas in which we have expertise and have Identified areas of probable impact or areas
where dditional information is needed to properly asse this proposal.
Signs re of Director or Authorized Representative Date ..
DEVAPP.DOC Rev.10/93
PROJECT LUA-97-088 SA, Et
Jefferson Avenue Housing
City of Renton Department of Planning/Building/Public Works
ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET
(Continuation)
POLICE RELATED COMMENTS
16.56 Police Calls for Service Estimated Annually
CONSTRUCTION PHASE
Theft from construction sites is one of the most common reported crimes in the city. To
protect materials and equipment it is recommended that all materials and tools be locked
up when not in use. The site will need security lighting and should also be completely
fenced in with portable chain-link fencing. The fence will provide both a physical and
psychological barrier to any prospective thief and will demonstrate that this area is private
property. Construction trailers should be kept locked when not in use, and should also
have a heavy-duty deadbolt installed with no less then a 1-1/2" throw when bolted. Glass
windows in the trailer should be shatter-resistant.
COMPLETED BUILDING
Codes access as entry to each building is recommended to prevent trespassing of
individuals who have no right to be on the property. Each unit should have solid core
doors, preferably metal or metal over solid wood with peep holes and heavy-duty dead
bolt locks. The bolts need to be at least 1-1/2" in length when extended and installed with
3" wood screws.
Sliding windows, including the glass patio doors, will need additional locks; these locks
will need to secure the windows from being pried out of the frames vertically. This means
the locks will need to be placed into the top or bottom of the frames, in addition to any
lock that limits horizontal movement. (This applies especially to the bottom floor
windows that are hidden from view on the rear side of each building.)
Alarm systems are recommended for each unit. The stairways at the complex should be
constructed of lattice or metal railing so visibility is possible through the stairway. There
should not be any solid walls in any stairway that would serve to limit the visibility up and
down the stairs and provide a place for a criminal to hide while waiting for a homeowner
to return home. In additional, the balcony walls also need to be made of either metal or
wood lattice or railing - no solid walls for the same purpose.
Extra security lighting needs to be installed in the parking lots, along the sidewalks, in the
stairways, and between the buildings. Measures should also be taken to provide additional
Page 1 of 2
PROJECT LUA-97-088, SA, ECF
Jefferson Avenue Housing
City of Renton Department of Planning /Building /Public Works
ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET
(Continuation)
lighting for the common trash dumping site. Since this is located away from the complex
itself, proper lighting should be provided to assist in making the area safer for the
residents. Each unit should have their individual unit numbers listed clearly, with the
number at least 6" in height of a color that contrasts with the color of the building and
placed under a light. This will aid police or medics who respond to a call in finding the
unit they need to go to.
Landscaping around the exterior of the property should not be too dense or high. It is
important to allow visibility. Too much landscaping will give the property the look of a
fortress and make the residents feel isolated, and could also possibly give a burglary
sufficient coverage to break into a unit.
Page 2 of 2
City of Renton Department of Planning/Building/Public Works
ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET
REVIEWING DEPARTMENT: ctiorKs COMMENTS DUE: JULY 14, 1997
APPLICATION NO: LUA-97-088,SA,ECF DATE CIRCULATED: JUNE 30, 1997
APPLICANT: CATHOLIC COMMUNITY SERVICES PROJECT MANAGER: MARK PYWELL
PROJECT TITLE: JEFFERSON AVENUE FAMILY HOUSING WORK ORDER NO: 78238
LOCATION: 1000 JEFFERSON AVENUE NE
SITE AREA: 39,559 SQ.FT. I BUILDING AREA(gross): N/A
SUMMARY OF PROPOSAL: The applicant seeks approval to construct 18 units of affordable housing for low income
families. The project includes four(4)two-bedroom and 14 three-bedroom units in five (5) buildings.
A. ENVIRONMENTAL IMPACT(e.g.Non-Code) COMMENTS
Element of the Probable Probable More Element of the Probable Probable More
Environment Minor Major information Environment Minor Major information
Impacts Impacts Necessary Impacts Impacts Necessary
Earth Housing
Air Aesthetics
Water Light/Glare
Plants Recreation
Land/Shoreline Use Utilities
Animals Transportation
Environmental Health Public Services
Energy/ Historic/Cultural
Natural Resources Preservation
Airport Environment
10,000 Feet
14,000 Feet
et77,491
‘71ii/1,C Ot'a -1/P11°6Y/41 , C15146'
B. POLICY-RELATED COMMENTS
iekgs17- A(417r717L-1 g
r,51 ,pack
C. CODE-RELATED COMMENTS
‘'..,7i7zizzx a/a_ fl C PA
We have reviewed this application with particular attention to those areas'9►vhtch we have expertise and have identified areas of probable impact or areas
where additional information is n d to properly assess this proposal.
//ri/?7
gna ore of Director or Authorized Representative D
DEVAPP.DOC / Rev.10/93
RENTON FIRE DEPT
FIRE PREVENTION BURF.AI_I
City of Renton Department of Planning/Building/Public Works
ENVIRONMENTAL & DEVELOPMENT APPLICATION REVI flj 7
REVIEWING DEPARTMENT: /re #-WeflieniaENTS DUE: JULY 14, 1997 H
D
APPLICATION NO: LUA-97-088,SA,ECF DATE CIRCULATED: JUNE 30, 1997
APPLICANT: CATHOLIC COMMUNITY SERVICES PROJECT MANAGER: MARK PYWELL
PROJECT TITLE: JEFFERSON AVENUE FAMILY HOUSING WORK ORDER NO: 78238
LOCATION: 1000 JEFFERSON AVENUE NE
SITE AREA: 39,559 SQ.FT. BUILDING AREA(gross): N/A'
SUMMARY OF PROPOSAL: The applicant seeks approval to construct 18 units of affordable housing for low income
families. The project includes four(4)two-bedroom and 14 three-bedroom units in five (5) buildings.
A. ENVIRONMENTAL IMPACT(e.g.Non-Code) COMMENTS
Element of the Probable Probable More Element of the Probable Probable More
Environment Minor Major Information Environment Minor Major information
Impacts impacts Necessary Impacts Impacts Necessary
Earth. Housing
Air Aesthetics
Water Light/Glare
Plants Recreation
Land/Shorellne Use Utilities
Animals Transportation
Environmental Health Public Services
Energy/ Historic/Cultural
Natural Resources Preservation
Airport Environment
10,000 Feet
14,000 Feet
B. POLICY-RELATED COMMENTS
/Vc-A./e,
C. CODE-RELATED COMMENTS rr
See_ C .,tie 2cumva' ,4, 7/Z//17
We have reviewed this application with particular attention to those areas in which we have expertise and have Identified areas of probable impact or areas
where additional information is needed to properly assess this proposal.
2/ *774etil 7/2 15
Signature of Director or Authorized Re ntative Date
DEVAPP.DOC Rev.10193
r
oY �� CITY OF RENTON
i. FIRE PREVENTION BUREAU
MEMORANDUM
DATE: July 2, 1997
TO: Mark Pywell, Senior Planner
FROM: Corey Thomas, Plans Review Inspector
SUBJECT: Code-Related Comments for Jefferson Avenue Family Housing
1 . The preliminary fire flow required is 2,000 gpm. Two fire hydrants are required.
One fire hydrant is required within 150-feet of the proposed structure and one
fire hydrant is required within 300-feet of the structure.
2. Fire mitigation fees are applicable at the rate of $388 per multi-family unit;
18 units x $388 = $6,984.00.
This fee is payable at the time of building permit issuance.
3. An approved fire sprinkler system is required to be installed in building 5.
4. An approved fire alarm system is required to be installed throughout all 5
buildings.
CT:ct
Jeffavf
CITY OF RENTON
MEMORANDUM
Date: July 14, 1997
To: Mark Pywell
From: Kayren K. Kittrick, Plan Review
Subject: Jefferson Avenue Family Housing
LUA-97-088, SA, ECF
EXISTING CONDITIONS
WATER-There is no existing water line in the access to the site. The nearest water lines are
6-inch diameter water lines in NE 10th Street with short 8-inch extensions in Index Av NE
and a 10-inch diameter water line in Kirkland Av NE. Fire flow on the 6-inch lines is
substandard at approximately 700 gpm with static pressure at approximately 90 psi. An 8-
inch diameter(minimum) water line extension is required to serve this site.
SEWER - There are existing 8-inch diameter sanitary sewer lines in the vacated Jefferson
Avenue NE frontage and in Index Avenue NE.
STORM - The existing surface water lines are in NE 10th Street and extensions exist in Index
Avenue NE.
STREETS - The project has no street frontages, but two access points for emergency and
general use.
CODE REQUIREMENTS
WATER
1. The System Development Charge shall be at the current rate of $510 per multi-family unit
for a total fee of$9,180.
2. A water main extension to serve the site for both domestic and fire service is required.
SANITARY SEWER
1. The System Development Charge shall be at the current rate of $350 per multi-family unit
for a total fee of$6300.
2. Separate side sewers are required for each building.
SURFACE WATER
1. The System Development Charge shall be at the current rate of $0.129 per square foot of
new impervious surface. The drainage report cites 22,400 square feet of new impervious
for a total fee of$2889.60.
JEFFHOME.DOC
TRANSPORTATION
1. A Traffic Mitigation Fee of $75.00 per Average Daily Trip shall be assessed. In
accordance with the ITE manual, multi-family units generate 6.47 average daily trips for a
total of 116.46 additional daily trips. The fee is calculated to be $8734.50 payable with the
first building permit.
2. Only those improvements consistant with a fire lane access or driveway are required of
this project An easement for emergency access and utilities maintenance shall be
required.
PLAN REVIEW-GENERAL
1. All plans shall conform to the Renton Drafting Standards.
2. A construction permit is required. When plans are complete three copies of the drawings,
two copies of the drainage report, a construction estimate, application and appropriate fee
shall be submitted to the fourth floor counter. A fee worksheet is attached for your use.
However, it is recommended to call 235-2631 to verify the fees as generated by the permit
system prior to issuing a check.
RECOMMENDED CONDITIONS
1. Temporary Erosion Control shall be installed and maintained to the satisfaction of the
representative of the Development Services Division for the duration of the project.
2. A construction plan indicating haul route and hours, construction hours and a traffic control
plan shall be submitted for approval prior to any permit being issued. Haul hours shall be
restricted to 8:30 a.m. to 3:30 p.m. unless approved in advance by the Development
Services Division.
3. Construction hours shall be limited to between 7:00 a.m. and 7:00 p.m., Monday through
Friday, Saturdays as arranged but no hours in excess of the weekday hours, and no
Sunday construction.
4. Emergency access and utility easement(s) shall be approved prior to issuance of any
building permit. Recording the easement documents shall occur prior to certificates of
occupancy being issued for any building.
CC: Neil Watts
JEFFHOME.DOC
:'n'lifi.)4.
....._ ••• e, ivye c„
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...,� g S0�uMMW � •�. + � (Qp� �
x A Project Name 0-ef cvsovA Ave',like. Favv►i l y 1-fousPitt t1
Project Address /000 ire iftvscriA it VC- O
•
Contact Person 5 ic plititilt Dav n.t4N — cctkolic, Comma udif 5evIl,c.cs WIc51, Wlisli.
Address 100 - 23vd A 5 Seattle uJf► 4 8O
Phone Number (20 43 ) - 3 2 i- 5 4 q .
Permit Number 1..0A - 4 l- 0 $$
Project Description C o is1vac7 1$ wiuts et et floidea.le tious,ty fc)
low ;IA Game. fawtI lies . Ike pvo)e.c.t ihciacit, 4 'two beo(vooI1 El /4 iitn-ee
bed✓oorq ow s ►v► 5 hiAildiLls • - -
Land Use Type: , Method of Calculation: ApavtweMY (2ZO)
' GI/Residential 'ITE Trip Generation Manual pac sit
❑ Retail 0 Traffic Study
❑ Non-retail 0 Other Z41C ' 6,47 p.ei uNi L
Calculation: 40C1i4) avevAle da►1 y tvips
(18 )( 6,47) = Ile,. 4& to:es
• -
At 475 12.e.4 daily trip -
116. 46) ( $75) = $ 8734, 50
Transportation Mitigation Fee: $g77}34. 50
Calculated by: /ued&e U1 Date: 7i41.1 3 III-7
Account Number:
Date of Payment
I f .
iLt 01 -S
City of Renton Department of Planning/Building/Public Works
ENVIRONMENTAL 8 DEVELOPMENT APPLICATION REVIEW SHEET
C I
REVIEWING DEPARTMENTS �E � C NTS DUE: JULY 14, 1997
APPLICATION NO: LUA-97-088,SA,ECF DATE CIRCULATED: JUNE 30, 1997
APPLICANT: CATHOLIC COMMUNITY SERVICES PROJECT MANAGER: MARK PYWELL
PROJECT TITLE: JEFFERSON AVENUE FAMILY HOUSING WORK ORDER NO: 78238
LOCATION: 1000 JEFFERSON AVENUE NE
SITE AREA: 39,559 SQ.FT. I BUILDING AREA(gross): N/A
SUMMARY OF PROPOSAL: The applicant seeks approval to construct 18 units of affordable housing for low income
families. The project includes four(4)two-bedroom and 14 three-bedroom units in five (5) buildings.
A. ENVIRONMENTAL IMPACT(e.g.Non-Code) COMMENTS
Element of the Probable Probable More Element of the Probable Probable More
Environment Minor Major Information Environment Minor Major Information
Impacts Impacts Necessary Impacts Impacts Necessary
Earth Housing
Air Aesthetics _
Water Light/Glare
Plants Recreation
Land/Shoreline Use Utilities
Animals Transportation
Environmental Health Public Services
Energy/ Historic/Cultural
Natural Resources Preservation
Airport Environment
10,000 Feet
14,000 Feet
B. POLICY-RELATED COMMENTS
C. CODE-RELATED COMMENTS
Ptemo ham -7/ly/q7
We have reviewed this application with particular attention to those areas in which we have expertise and have identified areas of probable impact or areas
where additional information is needed to properly assess this proposal. p
SigJirectora of D or A homed Representative Dat
OC Rev.10/93
City or Renton Department of Planning/Building/Public Works l ILL9Cd54
ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET
REVIEWING DEPARTMENT:Th -)� COMMENTS DUE: JULY 14, 1997
r
APPLICATION NO: LUA-97-088,SA,ECF DATE CIRCULATED: JUNE 30, 1997
APPLICANT: CATHOLIC COMMUNITY SERVICES PROJECT MANAGER: MARK PYWELL
PROJECT TITLE: JEFFERSON AVENUE FAMILY HOUSING WORK ORDER NO: 78238
LOCATION: 1000 JEFFERSON AVENUE NE
SITE AREA: 39,559 SQ.FT. I BUILDING AREA(gross): N/A
SUMMARY OF PROPOSAL: The applicant seeks approval to construct 18 units of affordable housing for low income
families. The project includes four(4)two-bedroom and 14 three-bedroom units in five (5) buildings.
A. ENVIRONMENTAL IMPACT(e.g.Non-Code) COMMENTS
Element of the Probable Probable More Element of the Probable Probable More
Environment Minor Major information Environment Minor Major information
Impacts Impacts Necessary Impacts Impacts Necessary
Earth Housing
Air Aesthetics
Water Light/Glare
Plants Recreation
Land/Shoreline Use Utilities
Animals Transportation
Environmental Health Public Services
Energy/ HlstoridCultural
Natural Resources Preservation
Airport Environment
10,000 Feet
14,000 Feet
B. POLICY-RELATED COMMENTS
C. CODE-RELATED COMMENTS
SGc mat-to Da-go 7/1y/97
We have reviewed this application with particular attention to those areas in which we have expertise and have identified areas of probable Impact or areas
where additional information is needed to properly assess this proposal.
1" _ �,,� r /G, /�97
Signat re• Director or Authorized Representative Date
DEVAPP. Rev.10193
i
. , .• al / U)e
City of Renton Department of Planning/Building/Public Works
ENVIRONMENTAL 8 DEVELOPMENT APPLICATION REVIEW SHEET
REVIEWING DEPARTMENT:f. / ifyiee) _ e COMMENTS DUE: JULY 14, 1997
APPLICATION NO: LUA-97-088,SA,ECF DATE CIRCULATED: JUNE 30, 1997
APPLICANT: CATHOLIC COMMUNITY SERVICES PROJECT MANAGER: MARK PYWELL
PROJECT TITLE: JEFFERSON AVENUE FAMILY HOUSING WORK ORDER NO: 78238
LOCATION: 1000 JEFFERSON AVENUE NE
SITE AREA: 39,559 SQ.FT. l BUILDING AREA(gross): N/A
CI f y OF RENTON
SUMMARY OF PROPOSAL: The applicant seeks approval to construct 18 units of affordable housi�� for income
families. The project includes four(4)two-bedroom and 14 three-bedroom units in five (5) buildi : -�- U 0 1997
A. ENVIRONMENTAL IMPACT(e.g.Non-Code) COMMENTS �V�L�u"��;, ut V I,tOIV
Element of the Probable Probable More Element of the Probable Probable More
Environment Minor Major Information Environment Minor Major Information
Impacts Impacts Necessary impacts Impacts Necessary
Earth Housing
Air Aesthetics _ _
Water Light/Glare
Plants Recreation
Land/Shorelne Use Utilities
Animals Transportation ,_
Environmental Health Public Services
Energy/ Historic/Cultural
Natural Resources Preservation
Airport Environment
10,000 Feet
14,000 Feet
B. POUCY-RELATED COMMENTS
C. CODE-RELATED COMMENTS
M&i..t,o bAPfl2O 7/IL( iq 7
We have reviewed this application with particular attention to those areas in which we have expertise and have identified areas of probable impact or areas
where additional information is needed to properly assess this proposal.
-13
Sig at�of Director or Authorized Representative Date _
DEVAAPP dOC Rev.10/93
L_. ,4 L b
1_,
City of Renton Department of Planning/Building/Public Works
ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET
REVIEWING DEPARTMEN10/ /S3 i I�� COMMENTS DUE: JULY 14, 1997
1 APPLICATION NO: LUA-97-088,SA,ECF ` DATE CIRCULATED: JUNE 30, 1997
APPLICANT: CATHOLIC COMMUNITY SERVICES PROJECT MANAGER: MARK PYWELL
PROJECT TITLE: JEFFERSON AVENUE FAMILY HOUSING WORK ORDER NO: 78238
LOCATION: 1000 JEFFERSON AVENUE NE
SITE AREA: 39,559 SQ.FT. l BUILDING AREA(gross): N/A
SUMMARY OF PROPOSAL: The applicant seeks approval to construct 18 units of affordable housing for low income
families. The project includes four(4)two-bedroom and 14 three-bedroom units in five (5) buildings.
A. ENVIRONMENTAL IMPACT(e.g.Non-Code) COMMENTS
Element of the Probable Probable More Element of the Probable Probable More
Environment Minor Major Information Environment Minor Major Information
impacts Impacts Necessary Impacts Impacts Necessary
Earth Housing
Air Aesthetics
Water UghVGlaie
Plants Recreation
Land/Shoreline Use Utilities
Animals Transportation
Environmental Health Public Services
Energy/ Historic/Cultural
Natural Resources Preservation
Airport Environment
10,000 Feet
14,000 Feet
B. POLICY-RELATED COMMENTS
C. CODE-RELATED COMMENTS So 1 L.S R eO 2 j j (0' 5 eA K 4 T I 0(J
S I P�f;c� i T5 Fc A-1 t 1--)G7
We have re awed this application with particular attention to those areas in which we have expertise and have identified areas of probable impact or areas
where ad "onal Information Is nee d to pro fly assess this proposal.
7/7/
atur�`'tif irec r Author zf epresentati' Date
DEVAPP.DOC Rev.10/93
City of Renton Department of Planning/Building/Public Works
ENVIRONMENTAL & DEVELOPMENT APPLICATION REVIEW SHEET
REVIEWING DEPARTMENT: A...• r COMMENTS DUE: JULY 14, 1997
APPLICATION NO: LUA-97-088,SA,ECF DATE CIRCULATED: JUNE 30, 1997
APPLICANT: CATHOLIC COMMUNITY SERVICES PROJECT MANAGER: MARK PYWELL
PROJECT TITLE: JEFFERSON AVENUE FAMILY HOUSING WORK ORDER NO: 78238
LOCATION: 1000 JEFFERSON AVENUE NE
SITE AREA: 39,559 SQ.FT. I BUILDING AREA(gross): N/A
SUMMARY OF PROPOSAL: The applicant seeks approval to construct 18 units of affordable housing for low income
families. The project includes four(4)two-bedroom and 14 three-bedroom units in five (5) buildings.
A. ENVIRONMENTAL IMPACT(e.g.Non-Code)COMMENTS
Element of the Probable Probable More Element of the Probable Probable More
Environment Minor Major Information Environment Minor Major Information
Impacts Impacts Necessary impacts Impacts Necessary
Earth ✓ Housing 1I'
Air I Aesthetics I
Water V LIghVGlare
Plants N` Recreation be
Land/Shoreline Use ✓e Utilities V
Animals I Transportation V ____-
Environmental Health ✓ Public Services r '
Energy/ Historic/Cultural ✓
Natural Resources ✓ Preservation
Airport Environment
10,000 Feet leS
14,000 Feet b/
B. POLICY-RELATED COMMENTS
The ground level at the proposed site is 369 feet above sea level . Proposed building
height is 36 feet (tallest) , for a total elevation of 405 feet above sea level . The site
!is located within the Airport Horizontal Surface, which has an elevation of 179 feet above
Ilsea level . A Notice of Proposed Construction shall be submitted to the FAA for review prior
;to issuance of a building permit, and any restrictions complied with. Issuance/acceptance of a
building permit constitutes acknowledgement that the land use is compatible with the operation
iof the airport and that the site is subject to overflight by low flying aircraft 24-hours
per day. ,
C. CODE-RELATED COMMENTS
We have reviewed this application with particular attention to those areas In which we have expertise and have identified areas of probable Impact or areas
where add •nal inform is needed to properly assess this proposal.
i 1 0OD� LM3 (ti7
Signature . D irector or Authorized Representative Date
DEVAPP.a" Rev.10f93
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A
NOTICE OF PROPOSED ENVIRONMENTAL APPLICATION
RENTON, WASHINGTON
A Land Use-Application has been filed and accepted with'the Development•Services Division of the'City of Renton. The
;following briefly describes the application and the necessary Public Approvals.. ;: , :; ;, --
I
PROJECT NAME/NUMBER: JEFFERSON AVENUE FAMILY HOUSING/LUA-97-088TSA,ECF -
I
DESCRIPTION: The applicant seeks approval to construct,18 units of affordable housing for low
income families. The project includes four(4)two-bedroom and 14 three-bedroom units in five (5) buildings.
GENERAL LOCATION: 1000 Jefferson Avenue NE
PUBLIC APPROVALS: Environmental Review
Site Plan Approval
Building Permit
The application can be reviewed in the Development Services Division located on the third floor of Renton City Hall.
Comments will be accepted anytime prior to the Environmental Review Committee (ERC) meeting date, Public Hearings,
during Public Hearings, or prior to an administrative decision. For further information on the application, or if you wish to
be made a PARTY OF RECORD and receive additional notifications, by mail, of the City's environmental
determinations, appeal periods and/or the public hearing date(s) for this project, please contact the Development
Services Division at 235-2550. Please include the project NUMBER when calling for proper file identification.
I ^,Ir"" l'1. :'s -X+ TJ I�rtl^z�PRINGTON AVE. N.E.—72...D' - !3q: :: 'i.j. _,-,; (c. Lc.Lli - ' _ 1 L
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JEFFERSON -- -.....AVE . .. " •fOF • `• '•' ,� •J
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MONROE c�J` AVE. N.E. ✓;j`
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;velopment Services Division ,� ® ®2
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Renton, ! ' °n� 55 97PRE"ORTED FCM SEA' 4�(g 437-0 .9? - �T , ai a.IJJ g Unc Aa. u. lai :111
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pte ,vn esedNosffirle Bch.s �'
Forward -,..
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Patricia Lewis Box �s left n0 ddre d ��`
3251 S Mckinley Rd N�°maij red d "40 order '
j Toppenish,WA 98948 Ternporarieptacle "
t •1de delivery limit`s ~—� '
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PENDING APPLICATION ,
•
PROJECT NAME/NUMBER: JEFFERSON AVENUE FAMILY HOUSING I LUA-97-088,SA,ECF I
DESCRIPTION: The applicant seeks approval to construct 18 units of affordable housing for low income
families. The project includes four(4)two-bedroom and 14 three-bedroom units in five(5)buildings
GENERAL LOCATION: 1000 Jefferson Avenue North east
PUBLIC APPROVALS:
Building Permit _Preliminary Plat Short Plat
Conditional Use Permit _Rezone XXXX Site Plan Approval
XXXX Environmental Review Shoreline Conditional Use Other
Permit
Fill 8 Grade Permit Shoreline Substantial Other
Development Permit
The application can be reviewed in the Development Services Division located on the third floor of Renton City Hall.
Comments will be accepted any time prior to Environmental Review Committee(ERC)meetings,Public Hearings,during
Public Hearings,or prior to an administrative decision. For further information on the application,or if you wish to be
made a PARTY OF RECORD and receive additional notifications,please contact the Development Services Division at
235-2550. •
� RENTON HIGHLANDS ,; ` ./'o; tiF • •
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PLEASE INCLUDE THE PROJECT NUMBER WHEN CALLING FOR PROPER FILE IDENTIFICATION. •
CERTIFICATION .
•
1, sahaii JCZG V-SO in , hereby certify that 3 copies of the above document
were posted/by me in, 3 conspicuous places on or nearby the described property on
,IuJj II, 1c'g1
Signed: &L� , 9tLdk4'1"1
.
STATE OF WASHINGTON ) .
)• SS ,
COUNTY OF KING )
I certify that 1 know or have satisfactory evidence that 5 a)Y • 3 -ckso ✓
signed this instrument and acknowledged it to be his/her/their free and voluritary alct1for the uses
and purposes mentioned in the instrument. 4tie m ,., ,,,�I;\;
Dated: --7/1 1 (Iqi .. �, ., • s'
Notary Pub and fo e Stal9 0 'lr
Notary (P ' ) MARGART fPULLAR
My appointment expires:COMMISSIfN'PxPIRtS 6/c/98
.
NO TAR Y,OOC
!/
_(. _
, ...,..,
NOTtOE . •
PENDING APPLICATION
PROJECT NAME/NUMBER: JEFFERSON AVENUE FAMILY HOUSING/LUA-97-088,SA,ECF
DESCRIPTION: The applicant seeks approval to construct 18 units of affordable housing for low income
families. The project includes four(4)two-bedroom and 14 three-bedroom units in five(5)buildings
GENERAL LOCATION: 1000 Jefferson Avenue Northeast
PUBLIC APPROVALS:
Building Permit Preliminary Plat Short Plat
Conditional Use Permit Rezone XXXX Site Plan Approval
XXXX Environmental Review Shoreline Conditional Use Other
Permit
Fill&Grade Permit Shoreline Substantial Other - .
Development Permit
• The application can be reviewed in the Development Services Division located on the third floor of Renton City Hall.
Comments will be accepted any time prior to Environmental Review Committee(ERC)meetings,Public Hearings,during
Public Hearings, or prior to an administrative decision. For further information on the application, or if you•wish to be
made a PARTY OF RECORD and receive additional notifications, please contact the Development Services Division at
235-2550. ll J
J �n_./I ,I ' ..4'" II:"
•
' 401.0,•F o d' 7 7 41,1<-yam _ • ,, e r,,
,,. J '<- `doe o F •
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' PLEASE INCLUDE THE PROJECT NUMBER WHEN,CALLING.;FORPROFER FILE:IDENTIFICATION. <:
CrZ lc OF RENTON
ma I N Planning/Building/Public Works Department
Jesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator
June 30, 1997
Ms. Stephanie Durman
Catholic Community Services of
Western Washington
100-23rd Avenue South
Seattle, WA 98144 •
SUBJECT: Jefferson Avenue Family Housing
Project No. LUA-97-088,SA,ECF
Dear Ms. Durman:
The Development Planning Section of the City of Renton has determined that the
subject application is complete according to submittal requirements and, therefore, is
accepted for review.
It is tentatively scheduled for consideration by the Environmental Review Committee on
July 22, 1997. Prior to that review, you will be notified if any additional information is
required to continue processing your application.
Please contact me, at (425) 277-5586 , if you have any questions.
Sincerely,
Mark R. P ,AICP
Project M ager
cc: CCS/Renton Housing Limited Partnership/Owners
• ACCPTI TR nOC
200 Mill Avenue South - Renton, Washington 98055
•
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CITY OF RFNTON
PROJECT NAME: Jefferson Ave. Family Housing JUN 2 C 1997 •
APPLICATION NO: WA-1 1 -0cia , S .E
RECLIViCD
The following is a list of property owners within 300 feet of the subject site. The Development
Services Division will notify these individuals of the proposed development.
• •
Parcel Number Owner Name Site Address YB Owner Phone
008900 001002 D/C Wong I LIc 2809 NE Sunset Blvd Renton 98056 1971
008900 001002 D/C Wong I Llc 2809 NE Sunset Blvd Renton 98056 1971
008900 001002 D/C Wong I Lk 2809 NE Sunset Blvd Renton 98056 1971
008900 009005 Hume Investments Ltd 3030 NE 10th St Renton 98056 1967
008900 014005 Richards Eugene M&Catherine 1013 Kirkland Ave NE Renton 98056 1977
008900 015002 Richards Eugene M&Catherine 1021 Kirkland Ave NE Renton 98056 1977
008900 016000 Richards Michael W 1033 Kirkland Ave NE Renton 98056 1977
285480 015004 Hume Richard E 1064 Kirkland Ave NE Renton 98056 1966
285480 016507 Polley L R 1058 Kirkland Ave NE Renton 98056 1960 206-226-6304
285480 017000 Pillon Helen B 1054 Kirkland Ave NE Renton 98056 1959
285480 017505 Becker John P 1034 Kirkland Ave NE Renton 98056 1958 206-226-2242
285480 018008 Reardon Stephen K 1028 Kirkland Ave NE Renton 98056 1958 206-271-8533
285480 018503 Knight Lena 1080 Kirkland Ave NE Renton 98056 1958 206-255-9511
285480 019006 Noland Robert L&Leroy M 1016 Kirkland Ave NE Renton 98056 1961 206-255-1164
285480 019501 St John James M&Linda J 1010 Kirkland Ave NE Renton 98056 1963 206-235-2736
285480 020004 Bardessono John 3104 NE 10th St Renton 98056 1964 206-255-4044
285480 020509 Sather Barbara 3112 NE 10th St Renton 98056 1958 206-255-1231
285480 021002 Burgess Myrtle V 1011 Lynnwood Ave NE Renton 98056 1958
285480 021507 Fife Tracy J&Coyle Kimberly 1017 Lynnwood Ave NE Renton 98056 1958
285480 022000 Lotto Myrtle 1023 Lynnwood Ave NE Renton 98056 1958
285480 022505 Brand Ida R 1029 Lynnwood Ave NE Renton 98056 1958 206-226-6640
285480 023008 Roberts Scott H&Phillips Ca 1035 Lynnwood Ave NE Renton 98056 1958
285480 023503 Benboe Clinton J&Barrett Ch 1041 Lynnwood Ave NE Renton 98056 1959 206-271-6937
285480 024006 Rauenhorst Lester J 1047 Lynnwood Ave NE Renton 98056 1960 206-255-7955
285480 024501 Mccullough Diana L 1053 Lynnwood Ave NE Renton 98056 1961 206-226-0437
722780 099502 Highlands Community Church 3031 NE 10th St Renton 98056 1960
722780 102702 Highlands Community Church 2901 NE 10th St Renton 98056 1976 206-255-4751
722790 007503 Sea-Eye Bldg Corp 1000 Index Ave NE Renton 98056 1982
722790 009004 Piacentini Louise 2801 NE Sunset Blvd Renton 98056 1987
722790 009103 D/C Wong I LIc 2809 NE Sunset Blvd Renton 98056 1959
722790 009301 Malune Donald M 2804 NE 10th St Renton 98056 1961
• 722790 009400 Sandleman Sanford 2825 NE Sunset Blvd Renton 98056 1964
722790 009608 D/C Wong I Lk 2813 NE Sunset Blvd Renton 98056 1970
07440 014007 Lewis Patricia A 926 Kirkland Ave NE Renton 98056 1958 509-865-2879
‘•
(Attach additional sheets, if necessary)
•
(Continued) •
•
•
•
•
Applicant Certification
Paul D. Purcell , hereby certify that the above list(s) of adjacent property
(Print Name)
owners and their addresses were obtained from:
D City of Renton Technical Services Records
t Title Company Records
P ing County Assessors Records
1ki Gt.,,�.'0 (A -ti Date 6 Z.T'61 7
Signed
(Applicant)
NOTARY
ATTESTED: S' crri d a sworn before me, a Note Public, in and for the State of Washington,
residing at n e day of c '%�lQ/ 19qr
Signor..
(Notary Puba) •
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MA ARET . PULLAR ,REV 07/95
CO MISSION EXPIRES 6/9/98 2
S��y O
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•
NOTICE OF PROPOSED ENVIRONMENTAL APPLICATION
RENTON, WASHINGTON
A Land Use Application has been filed and accepted with the Development Services Division of the City Of Renton. The
following briefly describes the application and the necessary Public Approvals.
PROJECT NAME/NUMBER: JEFFERSON AVENUE FAMILY HOUSING/LUA-97-088,SA,ECF
DESCRIPTION: The applicant seeks approval to construct 18 units of affordable housing for low
income families. The project includes four(4)two-bedroom and 14 three-bedroom units in five (5) buildings.
. GENERAL LOCATION: 1000 Jefferson Avenue NE
PUBLIC APPROVALS: Environmental Review
Site Plan Approval
• Building Permit
The application can be reviewed in the Development Services Division located on the third floor of Renton City Hall.
Comments will be accepted anytime prior to the Environmental Review Committee (ERC) meeting date, Public Hearings,
during Public Hearings, or prior to an administrative decision. For further information on the application, or if you wish to
be made a PARTY OF RECORD and receive additional notifications, by mail, of the City's environmental
'I determinations, appeal periods and/or the public hearing date(s) for this project, please contact the Development
Services Division at 235-2550. Please include the project NUMBER when calling for proper file identification.
,„,...krl 'ruIii
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Mote <If tf?sre; more titaft:p a Iege ownp�r:please attaG1 an addttiflrt l;
•riotanzed'.rMaster. :`Pplication.#oc eacEt dwnec.• :: PROJECT OR DEVELOPMENT NAME:
NAME: CCS/Renton Housing Limited Partnership Iffer-son Ave. Family Housing
•
PROPERTY/PROJECT ADDRESS(S)/LOCATION:
ADDRESS: 100-23rd Ave. S.
1000 Jefferson Ave. NE
CITY: Seattle ZIP: 98144 KING COUNTY ASSESSOR'S ACCOUNT NUMBER(S):
•
038900-0050-03
TELEPHONE NUMBER: (206)328-5696 EXISTING LAND USE(S):
'PROPOSED LAND USES:
NAME: n/a
multifamily housing - Is units
COMPANY (if applicable): EXISTING COMPREHENSIVE PLAN MAP DESIGNATION:
CS
ADDRESS: PROPOSED COMPREHENSIVE PLAN MAP DESIGNATION (if applicable):.
same
CITY: ZIP: EXISTING ZONING:
•
(enter Suburban
TELEPHONE NUMBER:
PROPOSED,ZONING (if applicable):
•
same
SITE AREA (SQ. FT. OR ACREAGE):
NAME: Stephanie Durman 29,559 DEVELOPMENT PLANNING
CITY nc c ENTON•
COMPANY (if applicable): PROJECT VALUE: • JUN 2 C 1997
Catholic Community Services
•
of Western Washington
$1,115,547 RECEIVED
ADDRESS: 100-23rd Ave. S. IS THE SITE LOCATED IN THE AQUIFER PROTECTION AREA?
no
•
CITY: Seattle, WA ZIP: 98144 •
IS THE SITE LOCATED IN ANY OTHER TYPE OF ENVIRONMENTALLY
•
SENSITIVE AREA?
TELEPHONE NUMBER: (206)328-5648 no
..v x-:.v•
:..... .. :...:.......{j..ii}:.}:n..j:n;:.j fin:J��}v;c }:::
::;::;:�:.}::......:.} LEGAL;;DES:CRIPTirl'ArOF>PROPERTY.A #ach:::. . . . ;: ss :< .:, - .:
ar• sheet..f:nece. . ary ,
mow.
See Attached. DEVELOPMENT PLANNING
CITY OF RENTON
JUN 2 C 1997
• RECEIVEli
:.. .... .�
S••- -:.: - . •.. : E O F A PPLI.0 TI 11t.&::FEE ;:..:: ..;: . . ... . . .,.. . . ....�::. . :
• >fe ;:;: :>� �� ::><:�:>: �;:�::;::;.:.::.:.::}.<. : > : < ::. ;: <::>:: .. estaial - C) ;:;staf�wfl::.determlree �;> :: ::>:; >.Ch acC alt:<:appII.catlon•:tXP ;; h y :: .
_ ANNEXATION $ • SUBDIVISION:
_ COMP. PLAN AMENDMENT $
_ REZONE $ _ LOT LINE ADJUSTMENT • $
_ SPECIAL PERMIT $ _ SHORT PLAT $
TEMPORARY PERMIT $ —TENTATIVE TENTATIVE PLAT $
CONDITIONAL USE PERMIT S _ PRELIMINARY PLAT $
A SITE PLAN APPROVAL $ /COQ/. _ FINAL PLAT $
_GRADE & FILL PERMIT $
(NO. CU. YDS: _1 PLANNED UNIT DEVELOPMENT: $
_ VARIANCE $
(FROM SECTION: ) _ PRELIMINARY
_WAIVER $ FINAL
— WETLAND PERMIT $ —
'ROUTINE VEGETATION MOBILE HOME PARKS: $
_
MANAGEMENT PERMIT $
1BINDING SITE PLAN $
SHORELINE REVIEWS:
_ SUBSTANTIAL DEVELOPMENT $
_CONDITIONAL USE $
_ VARIANCE $ •
_ EXEMPTION $No Charge X ENVIRONMENTAL REVIEW $ 503f
REVISION $
AFFI D . V >•..::;> .„..:...... .....::,::>::
• : ::�>;>:,,:>::.::<:>:>::<:... .. .: AIT:OF:OW.NERSHIP.:.::.::'..:.:::::::.:::.:::..::::.:::...::.,:....,:.::..:. .::::.�::::.'.:-..:.:..::.:::::.::.....
I. (Print Name) Pau 1 D. Purcell , declare that I am (please check one)_the owner of the property involved in this application. the
authorized representative to act for the property owner(please attach proof of authorization), and that the foregoing statements and answers herein..
contained and the information herewith submitted are in all respects true and correct to the best of my knowledge and belief.
Paul D. Purcell , Vice President ATTEST: Subscri ed andorn to before me, a Notary Public, in and
fc•the St pto of J�6 residing at
(N a of Owner epresentative) ' , on the a�srpti
ay of
VP '2 —'
__Ij (ic—,—JC
(Signature of wner/Representative)
(Sig ary-Public) v
.... :.. .. :�.::..
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'.•::
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:. .::} ;. . hisieo ;
. . ::Ci '.FileNimbr .<W� �M(�$$.... ::::. < : ..R.: SFP L}:.:;C: >: L: 4� »P ;:: R ••TP :.SP. RVAF* .>t: •.!-.:>.;: ;:: .. . < . : � : : : : ; >,AA D W.. FP.0 II ::.SM;>::.SME:':::MHPs:...:.:>:B ...:A ..;:CPA.:.:::.:.... ::. ...:..:.. .::....:........::...,:::...:.,.:..:...... . . ... .• . ..
.- . : :.: : .:: : .I::O::: >A <:;�>:E;: ; :: : . .:..:i. ::: " .., s; ;TO •ALPOSTAGEP.00:VIDED;:::- :.5:} �.1 •�'� :'::•° ' < '�:' <
MASTERAP.DOC • REVISED 9/96
LEG4L DESC ( FT ( O\
THAT PORTION OF FRED AKERS REAL ESTATE NUMBER !, ACCORDING TO THE
PLAT THEREOF RECORDED IN VOLUME 63 OF FLATS, PAGE 72 RECORDS OF
KING COUNTY, WASHINGTON, DESCRIBED AS FOLLOWS:
ALL OF THAT PORTION OF LOT 5 OF SAID PLAT LYING SOUTH OF THE
WESTERLY PRODUCTION OF THE NORTH LINE OF LOT 16 OF SAID PLAT,
TOGETHER WITH THAT PORTION OF VACATED IOTH PLACE NORTH
ADJOINING, ALL OF LOTS 6,'1, 14, 15, 16 AND THAT PORTION OF LOTS 8
AND 13 OF SAID FLAT LYING NORTH OF A STRAIGHT LINE DRAWN FROM
A POINT ON THE WESTERLY LINE, 152I FEET NORTHERLY OF THE SOUTHWEST
CORNER, OF LOT 8 TO A POINT OF THE EAST LINE OF LOT 13 A DISTANCE
OF 12.I1 FEET NORTHERLY OF THE SOUTHEAST CORNER OF SAID LOT.
EXCEPT THE EAST 3621 FEET MEASURED AT RIGHT ANGLES TO THE WEST
MARGIN OF KIRKLAND AVENUE NORTHEAST.
TOGETHER WITH THAT PORTION OF JEFFERSON AVENUE NORTHEAST AS
VACATED UNDER CITY OF RENTON ORDINANCE NUMBER 363e THAT
WOULD ATTACH HERETO SY OPERATION OF LAW, AND AS
PROVIDED IN DEED RECORDED UNDER RECORDER'S NO. 8805311501. •
•
DEVELOPMENT PLANNING
CITv OPhlinfy
JUN 2 C 1997
RECEIVED
_.
\JLI
CATHOLIC
100 23rd Avenue South
COMMUNITY 1 T Seattle,WA 98144-2302
SERVICES Phone:(206)328-5696
of Western Washington Fax:(206)328-5699
DEVELOPMENT PLANNING
CITY nP PPNITON
2 C
June 26, 1997 JUN 1997
fit Mark Pywell
ECUV
Planning, Building &Public Works Division
City of Renton
200 Mill Avenue South
Renton, WA 98055 •
RE: 1000 Jefferson Ave. NE
Building Permit Application& Site Plan Approval
Dear Mr. Pywell:
Please find the enclosed applications for a Building Permit and Site Plan Approval for the
construction of 18 units of affordable housing at 1000 Jefferson Ave. NE in the Renton
Highlands.
We appreciate your review of these applications. If you have any questions during the
review process, please do not hesitate to call Stephanie Durman, the project manager, at
328-5648 or Susan Petrus, the project architect, at 624-7880.
Si cerely,
Paul D. Purcell
Vice President
Yi�� A United Way Agency
•
ELIVirnnnumPACliecklist
A. BACKGROUND
1. Name of proposed proles,if applicable:
Jefferson Ave. Family Housing
2. Name of applicant:
CCS/Renton Housing Limited Partnership
3. Address and phone number of applicant and contact person: •
Stephanie Ourman CCSWW, 100-23rd Ave. S., Seattle, WA 98144
(206)328-5648
4. Date checklist prepared:
6/25/97
5. Agency requesting rhrrtclict •
City of Renton Planning, Building & PUblic Works.
6. Proposed timing or schedule(including phasing, if_applicable):
Apply for site plan approval , building permit - 6/97
Begin Construction - September, 1997
7. Do you have any plans for future additions,expansion, or further activity related to or
connected with this proposal? If yes,explain.
NO
8. List any environmental information you know about that has been prepared,or will be
prcpac ,directly related to this proposal.
Phase I Environmental::Assessment, Nowicki & Associates, 12/6/96 •
Geotechnical Report, GeoEngineers, • 3/11/97
9. Do you know whether applications are pending for governmental approvals of other proposals
directly affecting the property covered by your proposal? If yes explain.
We are simultaneously applying for site plan approval and a
I0. List any government approvals or permits that will be needed for your proposal, if known.
Site plan approval , building permit, parking waiver.
11. Give brief complete description of your proposal.including the proposed uses and the elan of
the project and situ.
Construct 18 unit multi-family housing complex in five buildings. __
The site is approximately-39,559 square feet in size. The buildings
total approximately 19,571 square feet in size.
2
Environmental Checklist
12. Location of the proposal. Give sufficient information for a person to understand the precise
location of your proposed prof including a street address,if any,and section.township,and
range,if(mown. If a proposal would occur over a range of area,provide the range or
boundaries of the site(s). Provide a legal description,site plan,vicinity map,and topographic
map. if reasonably available. While you should submit any plans required by the agency,you
are not required to duplicate maps or detailed plans submitted with any permit applications
related to this cbecklicr
Address:
Legal Description: See Attached
B. ENVIRONMENTAL ELEMENTS
1. EARTH
a. General description of the site(circle oee)C rolling,hilly,steep slopes,mountainous,
other:
.
b. What is the steepest slope on the site(approximate percent slope)?
approximately 40% - to be regraded with retaining wall .
c. What general types of soils arc found oa the site(for example,clay,sand,gravel,peat,
muck)? If you know the classification of agricultural soils,specify them and note any prime
farmland.
The soils include loose to dense sandy outwash soils.
d. Arc there surface indications or history of unstable soils in the imnlertinre;vicinity? If so,
duscribc.
No.
e. Describe the purpose,type,and approximate quantities of any filling or grading proposed.
Indicate source of filL
Some structural fill may be reuquired to support the footings.
f. Could erosion occur as a result of clearing,construction,or use? If so,generally describe.
No, due to the flat site.
•
g. About what percent of the site will be covered with im
pervious surfaces after project
suction(for example,asphalt or buildngs)?
59%
3
Environmental Checklist
h. Proposed measures to reduce or control erosion,or other impacts to the earth.if any.
We will do excavation/backfill during dry times if possible.
2. AIR
a. What type of emissions to the air would result from the proposal(i.e.,dust,automobile,
odors,industrial wood smoke)during boa and when the project is completed? If
any,generally describe and give approximate quantities if known.
- Construction equipment emissions
b. Are there any off-site sources of emissions or odor that may affect your proposal? If so,
generally describe.
None
c. Proposed measures to reduce or control emissions or other impacts to air, if any: •
- provide landscaping (shrubs/trees) to help freshen air
- if soils work creates too much dust, wet teh affected area as needed
to keep dust down
3. WATER
a. Surface:
1) Is there any surface water body on or in the immediate vicinity of the site(including
year-round and seasonal streams,saltwater,lakes,ponds,wetlands)? If yes,describe
type and provide names. If appropriate,state what stream or river it flows into.
No,.
2) Will the project require any work over, in, or adjacent to(within 200 feet)the described
waters? If yes,please describe and attach available plans.
No.
3) Estimate the amount of fill and dredge material that would be placed in or removed
from surface water or wetlands and indicate the area of the site that would be affected.
Indicate the source of fill material.
None
4) Will the proposalrequire
en, surface water withdrawals or diversions? Give general
description,purpose,and approximate quantities if known.
No - .
5) Does the proposal lie within a 100 year floodplain? If so,note location on the site
plan.
No. .
4
Environmental Checklist •
•
6) Does the proposal involve any discharges of waste materials to surface waters? If so,
describe the type of waste and anticipated volume of discharge.
No.
b. Ground Water:
1) Will ground water be withdrawn,or will water be discharged to ground water? Give
general description,purpose and approximate quantities if known.
No.
2) Describe waste material that will be discharged into the ground from septic tanks or
other sources,if any(for example: Domestic sewage;industrial,containing the
following chemicals. . .;agricultural;etc.). Describe the general size of the system.
the number of such systems,the number of houses to be served(if applicable),or the
number of animals or humans the system(s)are expected to serve.
None.
c. Water Runoff(including storm water):
1) Describe the source of runoff(including storm water)and method of collection and
disposal,if any (include quantities_if known). Where will this water flow? Will this
water flow into other waters? If so,describe.
All gutters and perimeter drains to be tight-lined to storm sewer system.
Yard drains, patio drains and cathcbasins will be lcoated at atil
impervious surfaces and lawn areas.
2) Could waste materials enter ground or surface waters? If so,generally describe.
If required, oil separators will be provided in parking areas to prevent
parking lot oils from entering storm sewer system.
d. Proposed measures to reduce or control surface,ground or runoffwater impacts, if any:
4. PLANTS
a. Check or circle types of vegetation found on the site:
x deciduous tree: alder,maple,aspen, other-
_evergic'n tree: fir,cedar,pine,other
x shrubs
x grass
_pasture
crop or grain
wet soil plants: cattail,buttercup.bullrush,skink cabbage,other
_water plants: water lily,eelgrass,milfoil,other
x other types of vegetation - Scot' s Broom
b. What kind and amount of vegetation will be removed or altered?
•
All vegetation will be removed,
•
5
' H
Environmental Chrrklia
•
c. List threatened or endangered species known to be on or near the site.
None.
d. Proposed landscaping,use of native planes,or other measures to preserve or enhance
vegetation on the site,if any:
Landscaping will include Vine Maple, flowering pear, Japanese Snowbell,
sal al , Oregon Grape, St. John's Wort, and Caseade Mahonia.
5. ANIMALS
a. Circle any birds and animals that have been observed on or near the site or are known to be
on or near the site: (see next page)
Birds: hawk heron,eagle, songbirds,other. House So arrow. European Starling
Mammals: deer,bear, elk, beaver,other: none
Fish: bass, salmon,trout,herring,shellfish,other: none
b. List any threatened or endangered species known to be on or near the site:
None.
c. Is the site part of a migration route? If so,explain.
No.
d. Proposed measures to preserve or enhance wildlife, if any:
Site will be landscaped with shrubs/trees to provide cover for birds.
6. ENERGY AND NATURAL RESOURCES
a. What kinds of energy(electric,natural gas,oil,wood stove,solar)will be used to meet the
completedproject's energy needs? Describe whether it will be used for heating,
manufacturing,etc.
The project will have electric heat and hot water.
b. Would your project affect the potential use of solar energy by adjacent properties? If so,
generally describe.
c. What kinds of energy conservation features are included in the plans of this proposal? List
other proposed measures to reduce or control energy impacts,if any.
= low wattage site lights
- low energy appliances
•
- insulated per code requirements for electric heat
6
Environmental Checklist
I. ENVIRONMENTAL HEALTH
a. Are there any environmental health hazards,including aposure to toxic chemicals,risk of
,fire and explosion.spill,or hazardous waste,that could occur as a result of this proposal?
If so,describe.
None.
1) Describe special emergency services that might be required
None.
2) Proposed measures to reduce or control environmental health hazards,if any:
N/A
b. Noise
1) What types of noise exist in the area which may affect your project(for example:
traffic,equipment operation,other)?
Traffic noise.
2) What types and levels of noise would be created by or associated with the project on a
short-term or a long-term basis (for example: traffic,construction,operation,other)?
Indicate what hours noise would come from site.
Long term - traffice
Short term - construction equipment noise
3) Proposed measures to reduce or control noise impacts,if any:
Short term - Limit construction activity to daylight hours and not
before 7 am.
8. LAND AND SHORELINE USE
a. What is the current use of the site and adjacent properties?
The site is currently bare land.
b.NHas the site been used for agriculture? If so,describe.
c. Describe any structures on the site.
None.
d. Will any structures be demolished? If so what?
No.
e. What is the current zoning classification of the site?
Center Suburban
f. What is the current comprehensive plan designation of the site?
• Center Suburban •
T
Environmental Cbccldist
g. If applicable,what is the current shoreline master program designation of the site? .
N/A
h. Has any part of the site been classified as an"environmentally sensitive"area? If so,
specify.
No
i. Approximately how many people would reside or work in the completed project?
54
j• Approximately how many people would the completed project displace?
0 - the site is vacant
k Proposed measures to avoid or reduce displacement impacts,if any:
n/a
1. Proposed measures to ensure the proposal is compatible with existing and project land uses
and plans, if any.
The project scale is consistent with othhr uses in the area.
9. HOUSING
a. Approximately how many units would be provided,if any? Indicate whether high,middle.
Or low-income horsing.
This will providel8 units of housing for low-income people.
b. Approximately how many units, if any,would be eliminated? Indicate whether high,
middle,or low-income housing.
none
c. Proposed measures to reduce or control housing impacts,if any:
n/a
•
10. AESTHETICS
a. What is the tallest height of any proposed structure(s),not including antennas:what is the
principal exterior building material(s) proposed?
35'6"
b. What views in the immediate vicinity would be altered or obstructed?
•
none
c. Piupused measures to reduce or control aesthetic impacts,if any
The project is designed to be aesthetically attractive .
s
•
Environmental Checklist
11. LIGHT ANTI CLARE
a What type of light or glare will the proposal produce? What time of day would it mainly
occur?
Site lighting will be on after dark.
b. Could light or glare from the finished project boa safety hazard or interfere with views?
No. Light will be directed withing property lines and away from windows.
c. What existing off-site sources of light or glare may affect your proposal?
None
d. Proposed measures to reduce or control light and glare impacts,if any:
Light will be directed within property lines and away from windows.
12. RECREATION
a.. What designated and informal recreational opportunities are in the immediate vicinity?
b. Would the proposed project displace any existing recreational uses? If so,describe.
no.
c. Proposed measures to reduce or control impacts on recreation,including recreation
opportunities to be provided by the project or applicant.,if any:
n/a
13. HISTORIC AND CULTURAL PRESERVATION
a. Arc there any places or objects listed on,or proposed for,national,state,or local
preservation registers known to be on or next to the site? If so,generally describe.
no
b. Generally describe any landmarks or evidence of historic,archaeological,scientific,or
cultural importance known to be on or next to the site. °
none
c. Proposed measures to reduce or control impacts,if any:
n/a
14. TRANSPORTATION
a. Iffy public streets and highways serving the site,and describe the proposed access to
the existing street system. Show oa site plans,if any.
9
•
•
Environmental Checklist
b. Is site currently served by public transit? If not,what is the approximate distance to the
nearest transit stop?
Public transit stops_ are available both on nearby 10th Avenue and
Sunset Blvd.
c. How many parking spaces would the completed project have? How many would the project
eliminate?
The project will have 30 parking spaces. None will be eliminated.
d. Will the proposal require any new roads or streets,or improvements to existing roads or
sweet.,not including driveways? If so,generally describe(indicate whether public or
private).
•
no
•
•
e. Will the project use(or occur in the immediate vicinity of)water,rail,or air transportation?
It-so,generally describe.
no
f. How many vehicular trips per day would be generated by the completed project? If known,
indicate when peak volumes would occur.
Unknown. . However, excellent transit, bicycle and pedestrian connections
exist' to downtown Renton shopping and employment centers.
g. Proposed measures to reduce or control transportation impacts,if any.
none
15. PUBLIC SERVICES
a. Would the project result in an increased need for public services(for example: fire
protection,police protection,health care,schools,other)? If so,generally describe.
Yes, there would be an increased need for all public services listed.
b. Proposed measures to reduce or control direct impacts on public services,if any.
1 . Transportation alternatives will reduce automobile traffic.
2. The-•building will be fully sprinkled.
16. UTILITIES . -
a. Circle utilities currently available at the site: electricity, natural gas, water, refuse
service, telephone, sanitary sewer, septic system, other_
available in adjacent streets
• to -
Environs ental Checklist
b. Describe the utilities that are proposed for the project,the utility providing the service,and
the general construction activities on the site or in immediate vicinity which might be needed
Electric Service - Puget Sound Energy
Water/Sewer - City of Renton
Phone - U.S. West
Construction - trenching for power/cable/water/sewer lines
installation of storm water drainage system
C. SIGNATURE
I,the undersigned, state that to the best of my knowledge the above information is true and
complete. It is understood that the lead agency may withdraw any declaration of non-
significance that it might issue in reliance upon this checklist should there be any willful
misrepresentation willful lack of full disclosure on my part.
•
Proponent: -
Name Printed: Paul D. Purcell , Vice President of Archdiocesan Housing Authority
General Partner of CCS/Renton Housing Limited Partnership
Date:
II
7. Project Narrative Jefferson Ave. Family Housing
Summary: The Archdiocesan Housing Authority(AHA) and Catholic Community
Services (CCS)propose to develop and manage 18 units of affordable family housing
for low-income and formerly homeless families at 1000 Jefferson Avenue NE. Ten of
the units will serve formerly homeless families with incomes between 0%-30% of
median and eight will serve families with incomes between 0%-50%. The owner is
the CCS/Renton Housing Limited Partnership, of which AHA is the general partner.
Site Information: The property is an irregularly shaped lot with an area of 39,559
square feet.
The property is bordered on all sides by private property, except that Jefferson Avenue
NE extends to the property, and the property includes abandoned portions of this
street. The site is approximately 215 feet long on the north border, 269 feet long on the
east, 128 feet wide on the south, and 291 feet long on the irregularly-shaped west. The
site is currently bare land with no improvements.
City Approvals Requested: None,beyond the previous approved reduction of the
parking requirements to 30 spaces.
Special Site Features: The site has a steep slope on the east side (approximate
maximum slope of 40%),which we plan to regrade and support with a retaining wall
and building foundations.
Proposed Use: We propose to construct 18 units (4 two-bedrooms, 14 three-
bedrooms) and a common room in five buildings. The total square footage of the
construction is approximately 19,571 square feet. The maximum height is
approximately 35.6 feet. The total lot coverage (including all impervious surfaces) is
approximately 23,472 square feet or approximately 59.3%. There will be 30 parking
spaces on site. Access will be from Index Avenue,with egress on Jefferson Avenue.
CONSTRUCTION MITIGATION DESCRIPTION
For the Proposed Development at
1000 Jefferson Avenue NE
Renton,Washington •
• ' Proposed construction,dates: September, 1997— September, 1998
• Hours of operation: 7:30am—6pm on non-holiday weekdays
• Proposed hauling/transportation routes: Site has direct arterial access via Sunset
Blvd. SE to Highway 405 and Interstate 5. Materials will not need to be transported
on residential streets.
• Measures to be taken to minimize dust, traffic, mud, noise, etc.: The Civil
Engineer will design an erosion control plan with check dams and filter fabric at the
perimeter of the site, as required, in order to minimize the impact due to construction
on the City's storm drain system. All other typical preventative measures, such as
wetting the site and construction debris when dusty and keeping the street clean of
construction debris, will be taken to ensure a construction site respectful of
neighboring properties.,
:. CIT'l -OF RENTON
Planning/Building/Public Works Department
—� 7
Jesse Tanner,Mayor Gregg Zimmerman P.E.,Administrator
March 12, 1997
Mr. Mike Moedritzer
Tonkin/Hoyne/Lokan
204 First Avenue South I
Seattle, WA 98104
Subject: JEFFERSON AVENUE FAMILY HOUSING REQUEST FOR A DEVIATION OF THE
PARKING AND LOADING ORDINANCE STANDARDS
Dear Mr. Moedritzer:
I received and reviewed your March 11, 1997 request for reconsideration and approval for a deviation in
the parking standards established in the City of Renton Parking and Loading code, as amended by
Ordinance No. 4517. Reference made to the code in the following evaluation shall be taken to denote
the City of Renton Parking and Loading Code.
BACKGROUND
A project has been proposed to develop multi-family housing at 1000 Jefferson Avenue NE. The
proponent has requested a deviation of the parking standards to allow less parking than is required by
the Parking and Loading Ordinance. Section 4-14-8A1c. of the Parking and Loading Ordinance requires
1.5 parking spaces per dwelling unit and Section 4-14-8A1d. requires one guest parking space for every
four dwelling units for a total of 1.75 spaces per dwelling unit. The proposed plan for this project would
require 32 spaces, however the proponent is proposing only 30 spaces, or 1.67 spaces per dwelling unit.
SUMMARY OF REQUEST
The proponent is requesting a deviation from the standards of the Parking and Loading Ordinance in
order to develop multi-family housing at the desired density. The proposed housing will be built for low
income families. The proponent contends that low-income residents living in this type of project will not
own as many cars and will have a higher rate of transit usage, therefore, there is less of a need for
parking as compared to higher income apartment projects.
The proponent also indicates that the proposed project will be situated close to service oriented
commercial uses that would promote pedestrian and bicycle use and that the projects will be well served
by Metro.
FINDINGS
1. Parking and Loading Section 4-14-1.C.1.a states: Approval for deviation from standards: Whenever
there are practical difficulties in carrying out the provisions of this chapter, the
Planning/Building/Public Works Administrator may grant in writing modifications to the standards for
individual cases, provided that such modifications: Conforms to the intent and purpose of the Code;
and can be shown to be justified and required for the use and the situation intended; and will not
create adverse impacts to other property(ies) in the vicinity; and will be made prior to detailed'
engineering and design.
2. The proposed site plans are not able to accommodate the required parking. The proponent claims
that the proposed project will have less of a demand for parking than higher income projects.
200 Mill Avenue South - Renton, Washington 98055 •
Jefferson Avenue Family Housing
Administrative Decision
3/12/97
Page 2
3. The proposed 18 unit project located on Jefferson Avenue NE would provide 2 less spaces than what
is required by the code.
4. The request has been made prior to submittal of detailed engineering and design drawings. The
conditions stated:in the Code for approval for deviation from standards have been met.
DISCUSSION
One of the important p rposes of the Parking and Loading Ordinance is to require proposed
development projects to provide sufficient on-site parking spaces so as not to create undue demands on
a limited supply of street parking spaces. It is intended that projects be designed such that the criteria for
on-site parking can be met. Options for meeting these criteria can include creative layout of parking
stalls or adjustments in dwelling unit counts. Introduction of vehicles using street parking or other off-site
parking options due to provision of insufficient on-site parking spaces can create adverse impacts to
other property in the neighborhood and does not conform to the intent and purpose of the Code.
The applicant has requested and received reconsideration of the City's earlier denial of a Parking and
Loading Ordinance deviation request to install 26 parking spaces at this site. The applicant has modified
the site plan in order to accommodate 30 parking spaces, an increase of 4 spaces over the previous
application, but 2 spaces short of full compliance with the City Code. In,addition the applicant has
submitted anecdotal information indicating that the tenants of such transitional housing projects generally
utilize less parking spaces than typical multi family residence tenants. Information from the American
Planning Association indicates" that several cities recognize a lower need for parking spaces for
subsidized housing tenants (Bay City Michigan requires one space for each two dwelling units, and
Gainesville Florida requires one space per dwelling unit). Considering that the 4 additional spaces
proposed in the revised site plan brings the project to within two spaces of the Code requirement, and
that there is anecdotal information supporting the contention that transitional housing tenants require less
parking spaces than traditional multi family residence tenants, it appears to the reviewer that the intent of
the Parking and Loading Ordinance is being met by this revised proposal.
DECISION
The request for a deviation from standards to provide fewer on-site parking.spaces (1.67 spaces per
dwelling unit) for the Jefferson Avenue Family Housing Project than is called for in the Parking and
Loading Ordinance (1.75 spaces per dwelling unit) is hereby approved.
Sincerely,
4 ec( //iv
Gregg Zimmer an, Administrator
Planning/Building/Public Works
fi:div/DS/devpin/JH/jeffpkg
cc: Mark Pywell/Development Planning
Rebecca Lind
'-- ,
DEVELOPMENT PLANNING
r'rry nc RENTON
JUN 2 C' 1997
TECHNICAL INFORMATIO REPORT
_
8V D
FOR
JEFFERSON AVENUE FAMILY HOUSING
LOCATED AT
1000 JEFFERSON AVENUE NE
RENTON, WASHINGTON
FOR
G.E. CHAPMAN& ASSOCIATES
BY
BUSH, ROED & HITCHINGS, INC.
2009 MINOR AVENUE EAST
SEATTLE, WA 98102
(206)323-4144
BRH JOB NO. 97159.00
DATE
NNE 5, 1997 � `o• AtL ,� ,
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I EXPIRES 02/02/ 91 I
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•
TABLE OF CONTENTS
I. Project Overview .1
II. Preliminary Conditions Summary • 5
III. Off-site Analysis
IV. Retention/Detention Analysis Design 14,
V. Conveyance Systems Analysis and Design 34-
VI. Special Reports and Studies 39
VII. Basin and Community Planning Areas 40
VIII. Other Permits 41 -
IX. Erosion/Sedimentation Control Design 4i
X. Bond Quantities Work Sheet, Retention/Detention Facility, -
Summary Sheet and Sketch, and Declaration of Covenant 43 ..
XI. Maintenance and Operation Manual 53•
XII. Appendix 5g_
/S
• ,
L PROJECT OVERVIEW
The proposed development consists of construction of four new houses next to the vacated
Jefferson Avenue NE right-of-way in the northwest quarter of section 9, township 23 north,
range 5 east. The development includes a drainage basin area of 0.93 acre. Included in this
section of the report is a vicinity map and layout of the tax parcel in question.
Proposed stormwater controls on-site include a biofiltration swale for water quality and a
detention VAi.LLT•for water quantity control. The biofiltration swale is designed per King
County guidelines and is placed downstream of the detention system in order to minimize the
peak flow rates to the swale.
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•
Pagel of 2
King County Building and Land Development Division
TECHNICAL INFORMATION REPORT (TIR) .WORKSHEET
PART 1 PROJECT OWNER AND PART 2 PROJECT LOCATION
PROJECT ENGINEER AND DESCRIPTION
Project Owner C-4 0-v c6.5 Project Name -r -er6-2-coo AvE.FAw+,L-Y HOL, 1[,
Address 100 � 'C-- 5- Location
Phone 32•Z- ci(E4b fird: S7aP Township 2-3n) •
Project Engineer 7 'I Range
Company i?xl5U 2DE M ✓G i4-rre -,.J&S i. Section 9 N'.•�f/4-
Address Phone 2:20 m74%,002-A✓t--G Project Size D, AC
S 1✓ t✓A • 9 .O Upstream Drainage Basin Size AC
,PART 3 TYPE OF PERMIT APPLICATION PART 4 OTHER PERMITS
Subdivision 0 DOF/G HPA Shoreline Management
Short Subdivision n COE 404 0 Rockery
n Grading n DOE Dam Safety Structural Vaults
_ Commercial. 0 FEMA Floodplain 0 Other
Other COE Wetlands
PART 5 SITE COMMUNITY AND DRAINAGE BASIN
Community tr_ VrOn) TG4¢1-47./n •
Drainage Basin g7 rd -
PART 6 SITE CHARACTERISTICS
River Floodplain
CI Stream 0 Wetlands
0 Critical Stream Reach 0 Seeps/Springs
I I Depressions/Swales 0 High Groundwater Table
= Lake Groundwater Recharge
h<1 Steep Slopes ^' 2•- ( 0 Other , "
n Lakeside/Erosion Hazard
PART 7 SOILS
Soil T pe Slopes. Erosion Potential Erosive Velocities
e✓ter' /2 P%R,R- ^' Z:i ,-a5r Sc_t — lrUw
370 m o5<s F it/d4/ fiJA v-t' aJ
f—i Additional Sheets Attatched
1/90
• Page 2 of 2
•
King County Building and Land Development Division
TECHNICAL INFORMATION REPORT (TIR) WORKSHEET
(.
•AR : DEVELOPMENT LIMITATIONS
REFERENCE LIMITATION/SITE CONSTRAINT
c
Ch.4-Downstream Analysis ,E 5 -Tic'J - 24 T /,/L . — bff- -Ar..'.Q-LyS,s`r
a
a
a
0
I 1
I-7 Additional Sheets Attatched
PART 9 ESC REQUIREMENTS
MINIMUM ESC REQUIREMENTS MINIMUM ESC REQUIREMENTS
DURING CONSTRUCTION FOLLOWING CONSTRUCTION
P1 Sedimentation Facilities C Stabilize Exposed Surface
Stabilized Construction Entrance P1 Remove and Restore Temporary ESC Facilities
Perimeter Runoff Control P1 Clean and Remove All Silt and Debris
O Clearing and Grading Restrictions 0 Ensure Operation of Permanent Facilities
P1 Cover Practices P1 Flag Limits of NGPES _
0 Construction Sequence 0 Other
P1 Other
PAR 0 SURFACE WATER SYSTEM
® Grass Lined Channel P1 Tank P1 Infiltration • Method of Analysis
Pipe System 1>4 Vault P1 Depression aj&.L)//-
0 Open Channel n Energy Dissapator 0 Flow Dispersal Compensation/Mitigation
0 Dry Pond P1-Wetland 0 Waiver of Eliminated Site Storage
E Wet Pond 0 Stream 0 Regional Detention -
Brief Description of System Operation CO /i'VF Pi2 4i ) ,47.,1p L4A- at.A-,,J
Gor.it/6-tptirv'c-E-- Tv ✓4 V l-T 77 .q'/'rv1G�.l /�? LvL�I G!4L�G.'T�OETLnJ�Ii'rJ ✓/¢'rJLT 7i�,Gl�ifj2L��.
Facility Related Site Limitations I1 Additional Sheets Attatched
Reference Facility Limitation
PAR 1 STRUCTURAL ANALYSIS PART 12 EASEMENTS/TRACTS
(May -quire special structural review)
Drainage Easement
FSr Cast in Place Vault P1 Other n Access Easement
0 Retaining Wall 0 Native Growth Protection Easement
P1 Rockery>4'High P1 Tract
0 Structural on Steep Slope P1 Other
•AR 4 SIGNATURE OF PROFESSIONAL ENGINEER
I or a civil engineer under my supervision have visited the site.Actual
site conditions as observed were incorporated into this worksheet and the
attatchments. To the best of my knowledge the information provided 1i.I oQ�
here Is accurate. I sig.sc.r.
1/90
%s
II. PRELIMINARY CONDITIONS SUMMARY
Calculations for detention sizing and biofitration swale sizing are per King County guidelines.
Calculations for the detention system are located in the "Retention/Detention Analysis and
Design" section of this report. Calculations for the biofiltration swale are located in the
"Conveyance Systems Analysis and Design" section of this report.
A soils report for the subject site was prepared by GeoEngineers and is dated March 21, 1997.
The findings in the report have been used to establish the hydrologic soil type and the curve
numbers as shown in this section of the report. A portion of the soils report is included in the
appendix for reference.
Basin area maps have been prepared for pipe sizing as well as for detention sizing and are located
in the respective sections of this report.
• c7
S42S1.00
O o OF 126.230 63.900
@• 3 5 S89°45'45"E 6 S89°45'45"E
(55 ' S> 7
Sj�SO
0022
00 O 2
o
Parcel Boundary
A= 40594.2 sq. feet
ao
irnn o0
(Q T
C1 CDNN
R. 175.000 co
L.A.= 210.542
A= 68°55'56"
T. 120.122
1 .110 11
S16°05'00"W
10
�3 SN 5
'0
01,1, 9 •
N7g?-0 04"w 8
AA Yf1AP
S #1A .
HDU5l,1`
a -w * 17101.O0
%c
KING COUNTY, WA :- . .[ NGTON, SURFACE WAT _ _.. DESIGN MANUAL
•
(2) CN values can be area weighted when they apply to pervious areas of similar CN's (within 20
CN points). However, high CN areas should not be combined with low CN areas (unless the
low CN areas are less than 15% of the subbasin). In this case, separate hydrographs should be
generated and summed to form one hydrograph.
FIGURE 3.5.2A HYDROLOGIC SOIL GROUP OF THE SOILS IN KING COUNTY
HYDROLOGIC HYDROLOGIC
SOIL GROUP GROUP* SOIL GROUP GROUP*
•
Alderwood C Orcas Peat D
Arents, Alderwood Material C Oridia D
Arents, Everett Material B OvaII C
Beausite C Pilchuck C
Bellingham D Puget D
Briscot D Puyallup B
Buckley D Ragnar B
Coastal Beaches Variable Renton D
Earlmont Silt Loam D Riverwash Variable
Edgewick.., C Salal C
r Everett A MD 'Sammamish• D
Indianola "- - R Seattle D
Kitsap C Shacar D
Klaus C Si Silt C
Mixed Alluvial Land Variable Snohomish D
Neilton A Sultan C
Newberg B . Tukwila D
Nooksack C Urban _ Variable
Normal Sandy Loam D •
Woodinville D
HYDROLOGIC SOIL GROUP CLASSIFICATIONS
A. (Low runoff potential). Soils having high infiltration rates, even when thoroughly wetted, and consisting
chiefly of deep,well-to-excessively drained sands or gravels. These soils have a high rate of water
transmission.
B. (Moderately low runoff potential). Soils having moderate infiltration rates when thoroughly wetted, and
consisting chiefly of moderately fine to moderately coarse textures. These soils have a moderate rate of
water transmission.
C. (Moderately high runoff potentiai). Soils having slow infiltration rates when thoroughly wetted, and
consisting chiefly of soils with a layer that impedes downward movement of water, or soils with moderately
fine to fine textures. These soils have a slow rate of water transmission.
D. (High runoff potential). Soils having very slow infiltration rates when thoroughly wetted and consisting
chiefly of clay soils with a high swelling potential, soils with a permanent high water table, soils with a
hardpan or clay layer at or near the surface, and shallow soils over nearly impervious material. These soils
have a very slow rate of water transmission.
* From SCS,TR-55, Second Edition,.June 1986, Exhibit A-1. Revisions made from SCS, Soil Interpretation
Record, Form #5, September 1988.
•
*�� 3.5.2-2 41/92
KING COUNTY, WAS . NGTON, SURFACE WAT , DESIGN MANUAL
TABLE 3.5.2B SCS WESTERN WASHINGTON RUNOFF CURVE NUMBERS
l
l
SCS WESTERN WASHINGTON RUNOFF CURVE NUMBERS (Published byin SCS
1982)
Runoff curve numbers for selected agricultural, suburban and urban land use for Type 1A
rainfall distribution, 24-hour storm duration.
CURVE NUMBERS BY
HYDROLOGIC SOIL GROUP
LAND USE DESCRIPTION AB C D
Cultivated land(1): winter condition 86 91 94 95
Mountain open areas: low growing brush and grasslands 74 82 89 92
Meadow or pasture: 65 78 85 89
Wood or forest land: undisturbed or older second growth 42 64 76 81
Wood or forest land: young second growth or brush 55 72 81 86
Orchard: with cover crop 81 88 92 94
Open spaces, lawns, parks, golf courses, cemeteries, ' Ex;STs J t
landscaping.
good condition: grass cover on 75%
rr
or more of the area O 80. 86 90 DEV •
fair condition: grass cover on 50%•
Vi OUS
to 75% of the area 77 85 90 92
Gravel roads and parking lots ^ 76 85 89 91
Dirt roads and parking lots - 72 82 . 87 89 -
Impervious surfaces, pavement, roofs, etc. 98 98 98 98
Open water bodies: lakes, wetlands, ponds, etc. 0 100 100 100
Single Family Residential (2)
ivilPekAitoos
Dwelling Unit/Gross Acre % Impervious (3)
1.0 DU/GA 15 Separate curve number
1.5 DU/GA 20 shall be selected -
2.0 DU/GA _ . 25 for pervious and
2.5 DU/GA 30 impervious portion
3.0 DU/GA 34 _ of the site or basin
3.5 DU/GA 38
4.0 DU/GA 42
4.5 DU/GA 46 -
5.0 DU/GA 48
5.5 DU/GA 50
6.0 DU/GA 52 _
6.5 DU/GA - 54
7.0 DU/GA 56
Planned unit developments, % impervious
condominiums, apartments, must be computed
commercial business and
industrial areas.
(1) For a more detailed description of agricultural land use curve numbers refer to National Engineering
Handbook, Section 4, Hydrology, Chapter 9, August 1972.
(2) Assumes roof and driveway runoff is directed into street/storm system.
(3) -The remaining pervious areas (lawn) are considered to be in good condition for these curve numbers.
3.5.2-3 11/92
405
Some areas are up to 15 perce..,. inclusions of the .,.:nton Series
'very deep, sandy Indianola soils; some are up to
15 percent the very gravelly Everett and Klaus The Renton series is made up of somewhat poorly
soils; and some are up to 10 percent Alderwood drained soils that formed in alluvium in river
gravelly sandy loam. valleys. Slopes are 0 to 1 percent. The annual
Permeability is moderately rapid in the upper precipitation is 35 to 55 inches, and the mean
part of this soil and rapid in the substratum. annual air temperature is about 50° F. The frost-
Silty layers in the substratum are slowly permeable. free season is about 200 days. Elevation ranges
The effective rooting depth is 60 inches or more. from near sea level to 85 feet.
Available water capacity is moderately high. Runoff In a representative profile, the surface layer is
is medium, and the erosion hazard is moderate. very dark grayish-brown silt loam about 6 inches
This soil is used for timber and for urban de- thick. The subsoil is mottled dark grayish-brown
velopment. Capability unit IVe-3; woodland group 4s1. very fine sandy loam and fine sandy loam about 10
inches thick. The substratum is mottled black sand
to a depth of 60 inches or more.
Ragnar fine sandy loam, 15 to 25 percent slopes Renton soils are used for row crops and seeded
(RaD) .--This soil is similar to Ragnar fine sandy grass pasture and for urban development.
loam, 6 to 15 percent slopes, but it is on long
narrow terrace fronts between terraces or adjacent Renton silt loam (Re) .--This soil is nearly level
to streams. Underlying silty layers are common. to very gently undulating. Slopes are 0 to 1 per-
Areas range from 5 to 100 acres in size. cent. Areas are irregular in shape and range from
Some areas mapped are up to 10 percent inclusions 2 to nearly 300 acres in size.
of the very gravelly Everett and Klaus soils; some Representative profile of cultivated Renton silt
are up to 15 percent the very deep, sandy Indianola loam, 470 feet west and 1,050 feet north of the
soils; and some are up to 10 percent Alderwood east quarter corner of sec. 23, T. 22 N., R. 4 E.:
gravelly sandy loam. Inclusions total less than 25
percent of the acreage. Ap--0 to 6 inches, very dark grayish-brown (10YR
Runoff is medium to rapid, and the erosion hazard 3/2) silt loam, light brownish gray (10YR
is severe. 6/2) dry; moderate, medium and coarse,
This Ragnar soil is used for timber. Capability granular structure; slightly hard, very
unit VIe-2; woodland group 4s1. friable, slightly sticky, slightly plastic;
many roots; medium-acid; abrupt, wavy
Ra nar-Indianola also '•� lo•in: RdC - boundary. 6 to 8 inches thick.
This associa ion is about equal parts Ragnar fine B21--6 to 11 inches, dark grayish-brown (2.5Y 4/2)
sandy loam and Indianola loamy fine sand. Slopes very fine sandy loam, grayish brown
are 2 to 15 percent and are mostly convex. Areas (2.5Y 5/2) dry; many, medium, prominent,
are irregular to somewhat rounded in shape and range dark-brown (7.5YR 4/4) mottles, yellow
from 30 to about 300 acres in size. Both soils (lOYR 7/6) dry; massive; .slightly hard, very
occupy similar parts of the landscape and have friable, slightly sticky, slightly plastic;
similar vegetation. many roots; neutral (pH 6.6) ; clear, wavy
Some areas are up to 15 percent inclusions of the boundary. 3 to 12 inches thick.
very gravelly Everett and Klaus soils. B22--11 to 16 inches, dark grayish-brown (2.SY 4/2)
These soils are used for timber. Ragnar soil in fine sandy loam and thin lenses of fine sand,
capability unit IVe-3, woodland group 4s1; Indianola grayish brown (2.5Y 5/2) dry; many, medium,
soil in capability unit IVs-2, woodland group 4s3. prominent, dark-brown (7.5YR 4/4) mottles,
reddish yellow (7.5YR 6/6 and 7/6) dry;
massive; soft, very friable, nonsticky, non-
Ragnar-Indianola association, moderately steep plastic; common roots; slightly acid; abrupt,
(RdE) .--This association is nearly equal parts irregular boundary. 3 to 12 inches thick.
Ragnar fine sandy loam and Indianola loamy fine IIC--16 to 60 inches, black (10YR 2/1) sand, dark
sand. Slopes are 15 to 25 percent and convex to grayish-brown (10YR 4/2) dry; common, medium,
concave. Areas are irregular in shape and range prominent, strong-brown (7.5YR 5/6) mottles,
from 10 to 40 acres in size. reddish yellow (7.5YR 7/6) and strong brown
Some areas are up to 20 percent inclusions of the (7.5YR 5/6) dry; single grain; loose, non-
very gravelly Everett soils; some are up to 15 per- sticky, nonpiastic; few roots; slightly acid.
cent Alderwood gravelly sandy loam; and some are up
to 10 percent Kitsap silt loam. The A horizon ranges from dark grayish brown to
These soils are used for timber. Ragnar soil in very dark grayish brown. :The B horizon ranges from
capability unit VIe-2, woodland group 4s1; Indianola mottled dark gray to grayish brown or dark grayish
soil in capability unit VIe-1, woodland group brown and from silt loam to fine sandy loam. The
4s2. IIC horizon is mottled, ranges from black to dark
26
•
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RENTON 1.7 MI. -•
SITE So l t►-. N • .;.
Scale 1:24 000 ;- `"
1 TS••
S
1 Y4 l/ to 0 . 1 2 Miles ^= ..5..`'r'',••.
5000 4000 3 000 2 000 1000 0 5000 10000 Feet
This map is one of a set of 20. f NAY,•'•_
•
KING COUNTY AREA, WASHINGTON NO. 5 ,,:;: • `. .
III. OFF-SITE ANALYSIS
The site is located in the Lake Washington drainage basin. Drainage from the proposed
development enters a 177.5 foot long 12-inch diameter, concrete storm drainage pipe in Index
Avenue NE at 0.3 percent slope. Drainage then enters a concrete 12-inch pipe in NE 10th Street
and flows approximately 305 feet northwesterly to Sunset Blvd at 2.4 percent slope. At this
point drainage enters a 12-inch concrete pipe heading southwesterly in Sunset Blvd. The slope of
this system is unknown but the average slope of Sunset Blvd. is 4-percent. Shortly after Sunset
Blvd turns northwesterly(approximately 1,300 feet downstream of the site), the.12-inch culvert
system turns southwest toward NE 9th Place (this turn follows the downstream contours). The
average surface slope in this region is 20-percent. This is the end of the quarter mile downstream
analysis.
tIP
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DEPART- MEN^1 OF THE ARMY ._
CORPS OF ENGINEERS siTe ' A
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.12'30" 6 M . TO INTERSTATE 90 (M RCER ISLAND) IS5 OUAH 12 MI. 10
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, A I IS. 4 i/_.. 4 \ _ r (o/5t'9 7 \ '
IV. RETENTION/DETENTION ANALYSIS AND DESIGN
Calculations have been prepared for a stormwater detention tank sized for the 2, 10, and 100
year/24 hour SBUH storm. In order to prepare the calculations, the "WaterWorks" hydrologic
software program was used.
The results show that the designed detention system provides storage on an average volume of
3,400 cubic feet per acre.
Calculations supporting these conclusions are found on the following pages.
•.1
1%5
KING COUNTY, WASHINGTON, SURFACE WATER DESIGNMANUAL
FIGURE 3.S.1C 2-YEAR 24-HOUR ISOPLUVIALS '
OW
1 �Ic:.-'--
i 0
ofti ; . *--- ---
..., Itip-dnirAfk::Av.Ailig 40 . 4iiiki@ft
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e,
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jp
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N i %V - Ntly . •
VSAVIJ lhI �
co
1 2-YEAR 24-HOUR PRECIPITATION 1 4iralr PIN7ivia •
' ,.3.4�' ISOPLUVIALS OF 2-YEAR 24-HOUR IFAR�a t' , . 4sp
Nit
TOTAL PRECIPITATION IN INCHES ry rapir/�'��� ' _.......,r
O= c
•
0 1 2 3 4 S 6 7 a Mlles `Y �l -
is 300,000 3.5.1-8 r 1/90
i
Gc
KING COUNTY, WA ,` ,. INGTON, SURFACE WAT DESIGN MANUAL
•
FIGURE 3.5.1E 10-YEAR 24-HOUR ISOPLUVIALS
al ---
' - ... r 141)%
= 1 22 '� .� k It ,� t ,..*, LtignriRite•rei.."----4.---'11 A i . �--..
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i
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)1
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emop ji1;110- 1410--,P4tri-fi . � {,, - ,, .,
lit
- 1 1.151PI °WIN '.
0-YEAR 24HOUR PRECIPITATION i.lr .AM r.
I ,41 I'' GI
•r
e 3.40 ' ISOPLUVIALS OF 10-YEAR 24-HOUR ���'� / r
TOTAL PRECIPITATION IN INCHES 30 � �in lit
o i s 3 a s a sMua
3�30e
it300.000 3.5.1-10 1/90 40
' KING COUNTY, W ASHI ., , TON, SURFACE WATER 1) LSION MANUAL
"'CURE 3.5.1H 100-YEAR 24-HOUR ISOPLUVIALS
' .ff .;• lailytif"%iv 'PFAU .;ft- s, '
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I.
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.
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Ir 'EAR 24-HOUR PRECIPITATION f :; j1
WAV.F � ••.,, . 6•5-.s"�/ '3.5.1-13 O �''
�/
• �c
•
•
•
BRH Job No. : I o0
Date: W51,7 .
HYDROGRAPH INPUT WORKSHEET b cirvt ritit:'l y}
•
Project: F �t_-S 0") /WE P,4-pvl tioli$/,4 6
Basin Identification (S char): G Z c 10, �X /00
•
Description (30 char): g S7;,) ehd.9.Ti 2. rrr lLI Jr,i 100 1,/✓�,
Total Area: 0' ! 2 AG II
r ,
Precipitation: d _ a I
2yr - 'O" 5yr 10yr 2- `1 25yr 50yr 108yr 3.
Hydrograph Numbers: •
2yr ) Syr 10yr_ 25yr 50yr 108yr 3 - •
. Time of Concentration: •
length slope surface type 'n' value time -
. "Li. 6 4' o ' 0 3 / 6I2A-LS
crss
-tt43 13O o ,os 42.A-ls
•
Total Travel Time: .Q 2 -
Pervious Area: 9 A- `
x • 1
Land Use: G �
Soil Type: 61/6
'LA"
Hydrologic Group:
Curve Number: 4.C3 .
•
•
HYD.INP _
• 2ys
•
•
BRH Job No. : 7/ 5-�7 ••0n
Date: C. 5 r 5 7
HYDAOGRAPH INPUT WORK S H E E T ( ciri w,¢it y )
Project : .16 S2_j0 #1/6, F/1W11l--Y f+OV.s. n
Basin Identification (5 char): D2-/ Dld, T)1o0 •
Description (30 char): 7 iEi-o G4,JOI710J Z Y/L, / O 5/it (Ov"jJe. •
Total Area: D► IS A-tdt .
Precipitation:
2yr Z.O" Syr 10yr Z"mil•• 25yr 50yr 100yr 3.4! a •
Hydrograph Numbers: :
• 2yr 9 5yr • 10yr_i__ 25yr 50yr 100yr G. •
Time of Concentration: - ,
1-1lenp t sc iofy A Ss s type 'n' value time
•
1"3 ►444r 0.0 36 Re' PA• ►s e i
Total Travel Time:
Pervious Area: 01 42— kc re
Land Use: -�r`��jC-����16f '
,
Soil Type: ✓ell-e 1 •
•
Hydrologic Group:
•
Curve Number: 7
•
HYD.INP .
eX'STi,IG Co.i period Tc. ?'Z�
CSC-C.v' ro of4 s (9 S
File Basin Hydrograph Storage Discharge Level pool
3 5
SHEET FLOW CALCULATOR - INITIAL 300 FEET
DES Mannings Sheet Flow • 0.2400
ARE Flow Length (ft) • 44. 00 HOICES
RAI 2 yr 24 hr rainfall (in) : 2.00
TIM Land Slope (ft/ft) • 0.1400
TIM COMPUTED TRAVEL TIME (min) : 4.30
RAT TYPICAL MANNINGS VALUES FOR INITIAL 300 FT • A
ABS
BAS Smooth Surfaces • 0.011
STO Fallow Fields of Loose Soil Surface • 0.05 Y
Cultivated Soil with residue cover (s<=0. 2 ft/ft) : 0. 06
PER Cultivated Soil with residue cover (s>0.2 ft/ft) . : 0 .17
ARE Short prairie grass and lawns • 0.15
CDT' Dense grasses • 0 .24
1 Bermuda grass • 0.41 .
Range (natural) • 0 .13
PEA Woods or forest with light underbrush • 0. 40
PEA Woods or forest with dense underbrush • 0.80
TOT
1-4JF10Key: QUIT F5Key: CLEAR lete
P',g 1 l i t
File Basin Hydrograph Storage Discharge Level pool
3
INPUT, MODIFY OR BROWSE DATA
5
DEIS SHALLOW CONCENTRATED FLOW CALCULATOR
ARE
RAI Flow Length (ft) . . . : 130. 00
TIM Land Slope (ft/ft) . : 0 .0300
TI;M Kc, Velocity Factor: . 9. 0
RAI COMPUTED TRAVEL TIME (min) : 1.39
ABS TYPICAL VELOCITY FACTOR VALUES - R=0. 1
BAS
STO Forest with heavy ground litter and meadows (n=0.10) . : 3
Brushy ground with some trees (n=0.060) • 5
PER Fallow or minimum tillage cultivation (n=0.04) • 8
ARE High grass (n=0.035) 9
CND Short grass, pasture and lawns (n=0.030) • 11
Nearly bare ground (n=0.025) • 13
Paved and gravel areas (n=0.012) . • 27
PEA
PEA F1oKey:. QUIT F5Key: CLEAR
TOT
t-*1 HOME END Fl:Find F2:New F3:Get F4:Tc-Calc F5:Delete
Pgup Pgdn F6:Compute F7: F8:Method F9:Template F10:Exit I
i
pis
File Basin Hydrograph Storage Discharge Level pool
3. 5
SHEET FLOW CALCULATOR - INITIAL 300 FEET
1
DESI Mannings Sheet Flow • 0 .2400
ARE Flow Length (ft) 22.00 HOICES
RAI1 2 yr 24 hr rainfall (in) : 2.00
TIM Land Slope (ft/ft) • 0. 3600
TIM COMPUTED TRAVEL TIME (min) : 1.69
RAI; TYPICAL MANNINGS VALUES FOR INITIAL 300 FT A
ABS
BAS! Smooth Surfaces • 0. 011
STO Fallow Fields of Loose Soil Surface • 0 .05 Y
Cultivated Soil with residue cover (s<=0. 2 ft/ft) : 0.06
PER Cultivated Soil with residue cover (s>0.2 ft/ft) . : 0 .17
ARE Short prairie grass and lawns • 0. 15
CN Dense grasses • 0 .24
Bermuda grass - 0.41
Range (natural) . • 0.13
PEA Woods or forest with light underbrush • 0.40
PEA Woods or forest with dense underbrush • 0 .80
TOT
t4F10Key: QUIT F5Key: CLEAR lete
Pg1 lit
File Basin Hydrograph Storage Discharge Level pool
3 ;5
SHEET FLOW CALCULATOR - INITIAL 300 FEET
DES Mannings Sheet Flow • 0. 2400
ARE Flow Length (ft) • 64.00 HOICES
RAI 2 yr 24 hr rainfall (in) : 2. 00
TIM Land Slope (ft/ft) • 0 .0300
TIM COMPUTED TRAVEL TIME (min) : 10.74
RAI TYPICAL MANNINGS VALUES. FOR INITIAL 300 FT A
ABS
BAS Smooth Surfaces • 0.011
STO Fallow Fields of Loose Soil Surface • 0.05 Y
Cultivated Soil with residue cover (s<=0.2 ft/ft) : 0 .06
PER Cultivated Soil with residue cover (s>0.2 ft/ft) . : 0.17
ARE Short prairie grass and lawns • 0.15
CN Dense grasses • 0. 24
Bermuda grass • 0.41
Range (natural) •. 'd.13
PEA Woods or forest with light underbrush • 0.40
PEA Woods or forest with dense underbrush • 0.80
TOT
I IF10Key: QUIT F5Key: 'CLEAR lete
P41 lit I
471c5
File Basin Hydrograph Storage Discharge Level pool
3
INPUT, MODIFY OR BROWSE DATA
BASIN ID ex2 SBUH HYDROGRAPH
DES4
ARE TIME OF CONC WORKSHEET NFALL CHOICES
RAI <----Tc Reach Type----> Tt(min) TYPE IA
TIM TYPE I
TIM REACH 1 [SHEET] [SHALLOW] [CHANNEL] 1.69 TYPE II
RAI REACH 2 [SHEET] [SHALLOW] [CHANNEL] 10.74 TYPE IIA
ABS REACH 3 [SHEET] [SHALLOW] [CHANNEL] 4 .30 TYPE 3
BAS REACH 4 [SHEET] [SHALLOW] [CHANNEL] 1. 39 USER 1
STO REACH 5 [SHEET] [SHALLOW] [CHANNEL] 0.00 KC 7 DAY
CUSTOM
PER Tc, sum of travel times (min) . . . . 18 .12
ARE
CN FlOKey: QUIT F5Key: CLEAR
SUMMARY DATA
PEAK HYDROGRAPH TIME: 12.67 hrs
PEAK HYDROGRAPH FLOW: 0 .0235 cfs
TOTAL HYDROGRAPH VOL: 0. 0271 ac-ft
t-►1 HOME END Fl:Find F2:New F3 :Get F4:Tc-Calc F5 :Delete
Pgup Pgdn F6:Compute F7: F8:Method F9:Template F10:Exit
I
De f L oPeP Lo(\J P rn o.J
C At.c.vt*A r./5
File Basin Hydrograph Storage Discharge Level pool
3 5
SHEET FLOW CALCULATOR - INITIAL 300 FEET
DES Mannings Sheet Flow • 0 .1500
ARE Flow Length (ft) • 78. 00 HOICES
RAI 2 yr 24 hr rainfall (in) : 2.00
TIM Land Slope (ft/ft) • 0 . 1000
TIM COMPUTED TRAVEL TIME (min) : 5 .34
RAI TYPICAL MANNINGS VALUES FOR INITIAL 300 FT A
ABS
BAS Smooth Surfaces • 0. 011
STO Fallow Fields of Loose Soil Surface • 0 .05
Cultivated Soil with residue cover (s<=0. 2 ft/ft) : 0. 06
PER Cultivated Soil with residue cover (s>0 . 2 ft/ft) . : 0 .17
ARE Short prairie grass and lawns • 0.15
CN Dense grasses • 0 . 24
Bermuda grass • 0 .41 .
Range (natural) • 0 .13
PEA Woods or forest with light underbrush • 0.40
PEA Woods or forest with dense underbrush • 0 .80
TOT
t-- I'Fl OKey: QUIT F5Key: CLEAR I ete
pgl lit
File Basin Hydrograph Storage Discharge Level pool
3 5
SHEET FLOW CALCULATOR - INITIAL 300 FEET
DES Mannings Sheet Flow • 0. 0110
ARE Flow Length (ft) • 112 . 00 HOICES
RAI 2 yr 24 hr rainfall (in) : 2. 00
TIM Land Slope (ft/ft) • 0 .0180
TIM COMPUTED TRAVEL TIME (min) : 1.75
_ RAI TYPICAL MANNINGS VALUES FOR INITIAL 300 FT A
ABS
BAS Smooth Surfaces • 0 .011
STO Fallow Fields of Loose Soil Surface • 0. 05
Cultivated Soil with residue cover (s<=0 .2 ft/ft) : 0 .06
PER Cultivated Soil with residue cover (s>0. 2 ft/ft) . : 0. 17
ARE Short prairie grass and lawns • 0 .15
CN Dense grasses • 0. 24
Bermuda grass - 0 .41
Range (natural) • ' b.13
PEA Woods or forest with light underbrush • 0 .40
PEA Woods or forest with dense underbrush • 0. 80
TOT
t-►1 F10Key: QUIT F5Key:' CLEAR lete
Pg1 lit 1
,
File Basin Hydrograph Storage Discharge Level pool
3 5
CHANNEL FLOW CALCULATOR
DES. Flow Length (ft) . . . : 144.00
ARE Land Slope (ft/ft) . : 0. 0380
RAI Kc, Velocity Factor: 42 .0
TIM COMPUTED TRAVEL TIME (min) : 0. 29
TIM TYPICAL VELOCITY FACTOR VALUES
RAI
ABS Intermittent Flow - R=0 .2
BAS Forested swale w/ heavy ground litter (n=0. 10) • 5
STO Forested drainage course/ravine w/ defined channel bed (n=0.50) : 10
Rock-lined (n=0.035) . . . : 15 Grassed (n=0. 030) . . . : 17
PER Earth-lined (n=0 .025) . . : 20 CMP pipe (n=0.024) . . : 21
ARE Concrete pipe (n=0 . 012) : 42 other • 0. 508/n
CN Continous Flow - R=0 .4
Meandering stream w/ some pools (n=0.040) • 20
Rock-lined stream (n=0.035) - 23
PEA Grassed-lined stream (n=0. 030) • 27
PEA Other streams, man-made channels and pipe • 0 .807/n
TOT
tH F10Key: QUIT F5Key: CLEAR I I
Pg1
File Basin Hydrograph Storage Discharge Level pool
3
INPUT, MODIFY OR BROWSE DATA
BASIN ID d10 SBUH HYDROGRAPH
DES4
ARE TIME OF CONC WORKSHEET NFALL CHOICES
RAI <----Tc Reach Type----> Tt(min) TYPE IA
TIM TYPE I
TIM REACH 1 [SHEET] [SHALLOW] [CHANNEL] 5. 34 TYPE II
RAI REACH 2 [SHEET] [SHALLOW] [CHANNEL] 1.75 TYPE IIA
ABS REACH 3 [SHEET] [SHALLOW] [CHANNEL] 0. 29 TYPE 3
BAS REACH 4 [SHEET] [SHALLOW] [CHANNEL] 0 .00 USER 1
STO REACH 5 [SHEET] [SHALLOW] [CHANNEL] 0.00 KC 7 DAY
CUSTOM
PER Tc, sum of travel times (min) . . . . 7.38
ARE
CN F10Key: QUIT F5Key: CLEAR
SUMMARY DATA
PEAK HYDROGRAPH TIME: 8.00 hrs
PEAK HYDROGRAPH FLOW: 0.4723 cfs :
TOTAL HYDROGRAPH VOL: 0.1567 ac-ft
T-41. HOME END F1:Find F2:New F3:Get F4:Tc-Calc F5:Delete
Pgup Pgdn F6:Compute F7: F8:Method F9:Template F10:Exit I
File Basin Hydrograph Storage Discharge Level pool
3
INPUT, MODIFY OR BROWSE DATA
BASIN ID ex2 SBUH HYDROGRAPH
DESCRIPTION : exist. 2 yr/ 24 hour
AREA (acres) 0. 930 RAINFALL CHOICES
RAIN PRECIP (in) 2 .00 1. TYPE IA
TIME INTERVAL(min) : 10. 00 2. TYPE I
TIME OF CONC (min) : 18 .12 3 . TYPE II
RAINFALL SELECTION: 6 4. TYPE IIA
ABSTRACT COEFF 0 .20 5. TYPE 3
BASE FLOW (cfs) 0.000 6. USER 1
STORM DUR (hrs) 24.000 7. KC 7 DAY
8. CUSTOM
PERVIOUS PARCEL IMPERVIOUS PARCEL
AREA: 0. 930 acres AREA: 0. 000 acres
CN; 74.00 CN 98 .00
SUMMARY DATA
PEAK HYDROGRAPH TIME: 12.67 hrs
PEAK HYDROGRAPH FLOW: 0 .0235 cfs
TOTAL HYDROGRAPH VOL: 0.0271 ac-ft
t-*1 HOME END F1:Find F2 :New F3 :Get F4:Tc-Calc F5:Delete I
Pgup Pgdn F6:Compute F7: F8:Method F9:Template F10 :Exit
File Basin Hydrograph Storage Discharge Level pool
3
INPUT, MODIFY OR BROWSE DATA
BASIN ID ex10 SBUH HYDROGRAPH
DESCRIPTION : exist. 10 yr/ 24 hour
AREA (acres) 0 .930 RAINFALL CHOICES
RAIN PRECIP (in) 2.90 1. TYPE IA
TIME INTERVAL(min) : 10.00 2 ., TYPE I
TIME OF CONC (min) : 18.12 3 . TYPE II
_ RAINFALL SELECTION: 6 4. TYPE IIA
ABSTRACT COEFF 0. 20 5. TYPE 3
BASE FLOW (cfs) 0.000 6 . USER 1
STORM DUR (hrs) 24. 000 7. KC 7 DAY
8. CUSTOM
PERVIOUS PARCEL IMPERVIOUS PARCEL
AREA: 0.930 acres AREA: 0 .000 acres -
CN 74.00 CN 98.00
SUMMARY DATA :!
PEAK HYDROGRAPH TIME: 8 .00 hrs
PEAK HYDROGRAPH FLOW: 0. 1085 cfs
TOTAL HYDROGRAPH VOL: 0 .0655 ac-ft
t-►1 HOME END F1:Find F2:New F3 :Get F4:Tc-Calc F5:Delete I .
Pgup Pgdn F6 :Cornpute F7: F8 :Method F9:Template F10 :Exit
?X
File Basin Hydrograph Storage Discharge Level pool
3
I INPUT, MODIFY OR BROWSE DATA
BASIN ID ex100 SBUH HYDROGRAPH
DESCRIPTION : exist. 100 yr. 24 hour
AREA (acres) 0. 930
RAINFALL CHOICES
RAIN PRECIP (in) : 3 .90 1. TYPE IA
TIME INTERVAL(min) : 10.00 2. TYPE I '
TIME OF CONC (min) : 18.12 3 . TYPE II
RAINFALL SELECTION: 6 4. TYPE IIA
ABSTRACT COEFF 0 .20 5. TYPE 3
BASE FLOW (cfs) 0. 000 6. USER 1
STORM DUR (hrs) 24.000 7. KC 7 DAY
8. CUSTOM
PERVIOUS PARCEL IMPERVIOUS PARCEL
AREA: 0. 930 acres AREA: 0. 000 acres
CN i 74.00 CN 98 .00
SUMMARY DATA
PEAK HYDROGRAPH TIME: 8. 00 hrs
PEAK HYDROGRAPH FLOW: 0 .2496 cfs
TOTAL HYDROGRAPH VOL: 0.1181 ac-ft
? 4 HOME END Fl:Find F2 :New F3 :Get F4:Tc-Calc •F5:Delete I
PIgup Pgdn F6:Compute F7: F8:Method F9:Template F10:Exit I
I
1
I
, /(p5
•
File Basin Hydrograph Storage Discharge Level pool
3
I INPUT, MODIFY OR BROWSE DATA
BASIN ID d2 SBUH HYDROGRAPH
DESCRIPTION : devel. 2. yr/ 24 hour
AREA (acres) 0.930 RAINFALL CHOICES
RAIN PRECIP (in) 2 .00 1. TYPE IA
1ME INTERVAL(min) : 10. 00 2. TYPE I
ME OF CONC (min) : 7.38 3 . TYPE II
RAINFALL SELECTION: 6 4. TYPE IIA
ABSTRACT COEFF 0 .20 . . 5 . TYPE 3
B*E FLOW (cfs) 0. 000 6. USER 1
STORM DUR (hrs) 24.000 7. KC 7 DAY
8. CUSTOM
PERVIOUS PARCEL IMPERVIOUS PARCEL
AREA: 0. 420 acres AREA: 0. 510 acres
CN 81.00 CN 98 .00
SUMMARY DATA
PEAK HYDROGRAPH TIME: 8. 00 hrs
PEAK HYDROGRAPH FLOW: 0.2852 cfs
TOTAL HYDROGRAPH VOL: 0. 0966 ac-ft
t-+11 HOME END F1:Find F2 :New F3 :Get F4:Tc-Calc F5 :Delete I
Pgup Pgdn F6:Compute F7: FB:Method F9:Template F10:Exit
File Basin Hydrograph Storage Discharge Level pool
3
INPUT, MODIFY OR BROWSE DATA
BASIN ID d10 SBUH HYDROGRAPH
DESCRIPTION : .devel. 10 yr. 24 hour
EA (acres) 0.930 RAINFALL CHOICES
IN PRECIP (in) 2. 90 1. TYPE IA
TICE INTERVAL(min) : 10.00 2. TYPE I
TI E OF CONC (min) : 7.38 3. TYPE II
4. TYPE IIA
RAINFALL SELECTION: 6
ABSTRACT COEFF 0. 20 5. TYPE 3
BASE FLOW (cfs) 0.000 6 . USER 1
STORM DUR (hrs) 24.000 7. KC 7 DAY
8 . CUSTOM
PERVIOUS PARCEL IMPERVIOUS PARCEL
AREA: 0.420 acres AREA: 0.510 acres
CN 81.00 CN 98. 00
SUMMARY DATA
PEAK HYDROGRAPH TIME: 8 .00 hrs
PEK HYDROGRAPH FLOW: 0.4723 cfs
TO AL HYDROGRAPH VOL: 0.1567 ac-ft
t-+1 HOME END F1:Find F2:New F3 :Get F4:Tc-Calc F5:Delete {
Pup Pgdn F6 :Compute F7: F8 :Method F9:Template F10:Exit I
/'
File Basin Hydrograph Storage Discharge Level pool
3
INPUT, MODIFY OR BROWSE DATA
BASIN ID d100 SBUH HYDROGRAPH
DESCRIPTION : devel. 100 yr. 24 hour
AREA (acres) • 0. 930 RAINFALL CHOICES
RAIN PRECIP (in) 3 .90 1. TYPE IA
TIME INTERVAL(min) : 10. 00 2. TYPE I
TIME OF CONC (min) : 7. 38 3 . TYPE II
RAINFALL SELECTION: 6 4. TYPE IIA
ABSTRACT COEFF • 0.20 5. TYPE 3
BASE FLOW (cfs) 0. 000 6. USER 1
STORM DUR (hrs) 24.000 7. KC 7 DAY
8. CUSTOM
PERVIOUS PARCEL IMPERVIOUS PARCEL
AREA: 0. 420 acres AREA: 0.510 acres
CN 81 .00 CN 98 .00
SUMMARY DATA
PEAK HYDROGRAPH TIME: 8.00 hrs
PEAK HYDROGRAPH FLOW: 0 .6925 cfs
TOTAL HYDROGRAPH VOL: 0.2271 ac-ft
1-,1 HOME END Fl:Find F2 :New F3 :Get F4:Tc-Calc F5:Delete
Pgup Pgdn F6:Compute F7: F8:Method F9:Template F10:Exit I
1 -1
•
.GS
File Basin Hydrograph Storage Discharge Level pool
Bush, 2
Rectangular vault
Trapezoidal basin
Underground pipe
Sto list
3
RECTANGULAR VAULT
STORAGE STRUCTURE ID: s2 ble
Name. : trial vault structure
Length (ft) • 20.00
Width (ft) • 40. 00
Starting Elevation. : 100 .00 < ,,I)uw+�-- %�V-xtizse - (cc. 74 " `4-
Max Elev of Vault. . : 104. 00 C [_'
Stage-Sto Increment: 0.10
Structure Vol (cf) . : 3200. 00 a,r _ ce.g?`'�
Ac-ft. : 0.07
PGUP PGDN F3 : Get F6: Delete F10: Exit
Available Memory remaining: 180080 bytes
Current Data Set Name: u:\works\jdd\97159
File Basin Hydrograph Storage Discharge Level pool
3'
MULTIPLE ORIFICE
DISCHARGE STRUCTURE ID:dl
Name: trial outflow structure
Peak Dsgn Release Rate: 0 .00 cfs Orif /flow/elev
Orifice Coefficient. . .,: 0.62 Dia (in)/cfs/ ft
Lowest Orifice Dia (in) . . : 0 .68 0.68 , 0.03 cfs
hl: Outlet to 2nd Orifice: 3 .60 103.60 ft
Second Orifice Dia (in) . . . 3 .28 3 . 28 0. 35 cfs
h2: 2nd to 3rd Orifice. . . : 0. 20 103.80 ft
Third Orifice Dia (in) . . : 1.96 1. 96 0.11 cfs
h3: 3rd to 4th Orifice. . . : 0. 00
Fourth Orifice Dia (in) . . : 0.00 / ,
L ,,,,,
�• �y f '
h4: 4th to 5th Orifice. . . : 0.00 GLLJ ` . v,r- -c.
Top Orifice Dia (in) . . : 0.00 c; I
Elevation of Lowest Orifice • 100.00
Outlet Elevation ' • 100.00 -
Max Elev Above Outlet • 105.00
Stage-Disch Increment • 0.10
Av PGUP PGDN F3: Get F6: Delete F10: Exit
Cu
3
ys
File Basin Hydrograph Storage Discharge Level pool
Bush, Roed & Hitchings, Inc 2
LEVEL POOL ROUTING INSTRUCTIONS
PRE INFLO STG STG OUTFL
DESCRIPTION HYD # HYD # STOR DIS HYD #
ID ID
[2 year for 2 year ] [1 ] [4 ] [s2 ] [dl ] [ 15]
[10 yr for 10 year ] [2 ] [5 ] [s2 ] [dl ] [ 16]
[100 year for 100 yr] [3 ] [6 ] [s2 ] [d1 ] [ 17F =
[ ] [ J I I [ • J I ] [ .. ]..
[ ] [ J [ J I J [ ] I ]
[ ] I ] [ ] [ 1 [ ] [ ]
[ J [ ] I ] [ J [ J [ ]
[ ] [ ] [ ] [ ] [ ] [ ]
[ ] [ ] [ ] [ ] [ ] [ ]
[ J [ ] [ ] [ ] [ ] [ ]
F6: CLEAR F10: EXIT
Available Memory: remaining: 180080 bytes
Current Data Set Name: u:\works\jdd\97159
File Basin Hydrograph Storage Discharge Level pool
Bush, Roed & Hitchings, Inc 2 1
,
ROUTING COMPARISON TABLE
MATCH INFLOW STO DIS PEAK. PEAK OUT
DESCRIPTION PEAK PEAK No. No. . STG OUT HYD
2 year for 2 year 0.02 0.29 s2 dl 103 .54 0.02 15
10 yr for 10 year 0.11 0.47. s2 dl 103. 69 0. 11 16
100 year for 100 yr 0.25 0 .69 s2 dl Q.'03 1) 0 .25 17
'i
lr it
;.d /1-...
71-� i:.:,2 err,
.
Available Memory remaining: 180080 bytes
Current Data Set Name: u:\works\jdd\97159
c T-VAv1✓r Des169 5 5
File Basin Hydrograph Storage Discharge Level pool
3
INPUT, MODIFY OR BROWSE DATA
BASIN ID pt-wq SBUH HYDROGRAPH
DESCRIPTION : water quality design storm
AREA (acres) • 0. 510 F— -r-o rkL impea,,/, RAINFALL CHOICES
RAIN PRECIP (in) 0 .67 SEA 1 . TYPE IA
TIME INTERVAL(min) : 10.00 2. TYPE I
TIME OF CONC (min) : 7.38 3 . TYPE II
RAINFALL SELECTION: 6 4. TYPE IIA
ABSTRACT COEFF • 0.20 5 . TYPE 3
BASE FLOW (cfs) 0.000 6 . USER 1
STORM DUR (hrs) 24.000 7. KC 7 DAY
8. CUSTOM
PERVIOUS PARCEL IMPERVIOUS PARCEL
AREA: 0. 000 acres AREA: 0. 510 acres
CN 81.00 CN 98 .00
SUMMARY DATA
PEAK HYDROGRAPH TIME: 8.00 hrs
PEAK HYDROGRAPH FLOW: 0.0647 cfs
TOTAL HYDROGRAPH VOL: 0.0202 ac-ft F--- 8 71c-F
t->l HOME END Fl:Find F2:New F3 :Get F4:'Tc-Calc F5:Delete 11
Pgup Pgdn F6:Compute F7: F8:Method F9:Template F10:Exit
of c.vt;r ✓Avt_T ern-v�'L
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t;F < -------------- VoL✓w.e 'c
✓R-FA-LE 4/! ; 2.10 F i w"P6R-4A 0v
0.02) (ZZ-,440 S F)
444, 5F < --- 5d6F -h eD
VoLL r p o 1 c t Cc{-',1 , , � (z,0( ji g)(4o' l.o _ 3,'•Zoo t/p bc„
5va-Fkc.e Ar Pao 1/1cEo ; (zo' &)(iv I1Q'1(7' goo sF ►gyp , .
V. CONVEYANCE SYSTEMS ANALYSIS AND DESIGN
The proposed biofiltration swale, and pipe system are analyzed using procedures outlined in the
King County Surface water design manual.
•
The biofiltration swale is designed using the King County method for the 2 year/24 hour outflow
rate from the detention system. The conveyance capacity of the swale is confirmed using the 25
year and 100 year storms. The biofiltration swale is shown to convey the 25 year storm with a
minimum of 0.5 foot of freeboard while the 100 year storm does not overtop the:swale. The
swale was sized to meet the minimum width requirement of 2-feet.
The pipe system is sized using the 25 year rational method model.
Calculations for the biofiltration swale and the pipe system are on the following pages.
7 Xt
,BUSH,ROED&HITCHINGS, JOB -
1 CIVIL ENGINEERS&LAND 5.; :TEYORS
SHEET NO. OF
WA009 oAvenue r 98io2East
2Seattle, CALCULATED BY DATE
(206)323-4144
BRH (206)323-7135 •FaX CHECKED BY DATE
SCALE
, . . . • •
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PRODUCT 201-1(Sdoie$totts)261(POW) ?.4x,Gaon Um 011E1.To Ordv FIORE TOU FREE 14034204303
BUSH,ROED&HTTCHINGS, - JOB - 3445
. . CIVIL ENGINEERS&LAND: (EYORS
Min Avenue East SHEET NO. OF
2009
Seattle,WAor 98102 CALCULATED BY DATE
(206)323-4144
B R H (206)323-7135 •Fax CHECKED BY DATE
SCALE
.......:....
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Z
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PRODUCT 204.1 argil Weil 22-I 1P+ade0)(AS5gJa k.Grom�a 01111.To On*PIO E TOLL FREE 140042MD0
75
BUSH,ROED&HITCHINGS, • JOB ‘
CIVIL ENGINEERS&LAND VEYORS
2009 Minor Avenue East SHEET NO. OF
Seattle,WA 98102 CALCULATED BY DATE
(206)323-4144
B R H (206)323-7135*Fax CHECKED BY DATE
SCALE
CO •
2.5
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11765t<ve 642 1;•-) $"4-/ /0& y441g._ /26-c.44 ,44-17E V,4rd
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PRODUCT 204.1(Sinft Ran)205.1(P1614/-70 Inc_Groton,Wm OWL To°du PHONE TEL RIOT 1.600-225403
CHARTIt ' :nnen�c •: ••• • � uMMINEMENNIIIIIIIMe .� a •
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1,95
VI. SPECIAL REPORTS AND STUDIES
1. A portion of the soils report is included in the appendix.
• 45
VII. BASIN AND COMMUNITY PLANNING AREAS
The site is located in the Renton highlands and is in the Lake Washingon basin.
•.J
Sys
VIII. OTHER PERMITS
(N.A.)
•
IX. EROSION/SEDIMENTATION CONTROL DESIGN
The erosion control facilities designed include an interceptor swale, silt fence, and a rock
construction entrance. A sediment trap is not utilized on this site for two reasons. First, the site
is less than an acre. Second, the soils on-site are everett outwash type, and no surface sheet flows
are expected due to the high infiltration rate of everett soils. Finally, installation of a sediment
trap meeting the 3:1 sideslope requirements for King County is very difficult on this site: the site
is too small given the layout of the five proposed houses.
The erosion control strategy is to divert surface flows generated upstream around the site such
that off-site flows are not introduced to freshly graded soils. In addition, silt fence located on the
west side of the site will catch and treat any silt laden water which leaves the site.
;
X. BOND QUANTITIES WORK SHEET, RETENTION/DETENTION FACILITY
SUMMARY SHEET AND SKETCH,AND DECLARATION OF COVENANT
•
•
•
•
•
•
•
•
•
•
•
• • Is
•
i C.CamayDepa rk at a[Deadwood aad Earinu ahl Service' • kf #^* F 1 CC) r� ARr �.
3f001366 Shea Smarm i. ' 6 p
>I�wr.Weidman M006-1400 p • a s �l" E c f
•
•
Project Name: • SIERRA Project No.: • Date: '
Location: • Sierra Activity No.
•"Yi• 3 '�i r:• n i'a:''s cr' . >'�< '> d> ff£ '.�x..e; .:ev.,'.lt:::a>;i;>::.i..z:.i:..c': .3i
} 2'•• i. �L��.2.. 44: �i�FOR' �^PROJECT r
A
•
•
':.... ,r idtY4.Q. Arid fi .
:>saF.>z�^Y;a>sk;Prlw rx: .. �:.tlnit ., >
r
CONTROLEROMOMISEDIMENT •
Fain.silt $ 1.30 LY •
Hyiweedkg .40 SY
•
Jute Mesh • 1.00 SY
Mtuice„by hand,straw.2•daap .35 SY
Mk/ch.by machine,anew.1•dhap .40 SY
Rock Canty Entrance,50'x 15'x 1' • 1,030.00 Each
Rode Conan Entrance,100'x 15'x 1' - 1,800.00 Each
Saadirre by hand .35 SY
ESC SUBTOTAL
.
•
R:.,,r,....,.,ry...,..-).t[�<,„r..Y..:a.s..,,,. .,I.. >.., a:�...��,r'..�srk.�,s.x.......>.<3?.r ..i.,,a 5�.t,uir.,<>rj..r a.F 3ix•.r.c,Y....,,..y.,s.�.x`:,..x..,..ns,k.. .<.:.'S"'
a
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: :<S')£•
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: � t 44 eawadet^ �Rloaz:l0irart FtY `' ::amPMte `;Ca iar 'fhoa
•
06119tAl.ITEMS
ClearMeara ra busk by hand .24 SY
•
•
• SUBTOTAL Po(I PAo[
•
us4aw•tzawa Page 1 ��
&arra P No.____.._
•
.
- '
.' •• " ' '•''. -•-...,:•.: .-;,.%,.:,::','•:.':i•• ••t -
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. ...,...... : . ..
' •••-.z•- ••'••"/ ..',-;,•••-•••:•-•''i •'i:.i..•:.'.:,: •-•":'•:••':f':'-i•••••;•.'i!: :.' .04:'.••:-i':'...,;:•': ''',:''....i .'..:P•••:':;:•,,is• RIGIT-00-WAY: '•140A°:1:i:::'...-:':':''•:i..1;....-;' .• : . •.:...:...:'..: 7....' .....' .. ....1. .....:::/(....::......."..%::?0':ai:;W:sf.tkRil':::::' ......!!!4;:gg.N.li'i!?.;..*.i].K::??P.0::ti.04."115.r.: . . . :.: ....IMPRGYFMRT,.:40.:ii. :,"..SC°tVEYASA?::.•:9:$1!1C.1rT.! 4 ..i.:.....7•'•;,:..z%..1:t ir..,:..,.',...:..,.:::,.1.y.,....2l:.,:....:,::::':4:::,.-..:.....:..i..,...2i, .....;.,. ...., 3...'•': "•• •• .':',.......Z.:*:::;!'i.'ril':.„' ::.';'''';':::..6....;:i:;'..::'. ..%,E.A:.:..igpi,V.........,..., . . . ,.. ........ ... ............ .., ...,.. ., ,... ..... ,., , .....,..,„..„....,.._ .
..,. .; ;..n.:FV:%'' 1.•:i.* •P-ik:i!?:'!::':.i: i`.kinfitjti'•.. ::::... 1-.;::•...i irbuoily.: ::!*:,P'..-•:. • -ouiln3v:;•
i5-:>,:i1::••••,-,,,-?.?",:.,:.:::: ::iKti,;:4::. i:,-;:,-. .?:A<Ki:i?:.:1 :••••E'sn-n:: -T-0:.."N p4 :"•-'.''':-. ??••••!IiiltiV:. :giiineti :06,,ii :Oisaiithir'i• ,Prke -. Guanfity.,',.. •,:Pyle. Quantity Pyle.:rli!i. Pci.#!!! .... - •• .... - - --- - -
k , .,.. ,F4,.,i.%;.:::..::....:::m.;6... :Vi.iV.4:E.i.0 6;4041.wompii!git.iinielf0to 01,.:::igitip:i4wE:400;04 .';10,?.,i:.-ii's‘*"*'''` f.i5'. ''''... .. ' Piles ComPlot• Pi*" *C6m.111. MD!'
'
GENERAL ITEMS(Can't.)
' •
C3earingrGrubbing/Removal,traits 6,150.00 Acre
. .
Excavation-bulk 1.10 CY
Excavation-trench 3.00 CY
Saddlli&Campaodon-embankment 3.60 CY
, •
Beckfl&Compaction-trench •' 5.70 CY ;
•1
..
RI&Compact-common barrow 11.10 CY
FM&Compact-gravel bees 15.60 CY
• __,.., 1
Fill&Compact-screened topsoil 15.40 CY
. .
Gradng,tine,with grader .70 SY
Grading,fine,by hand 1.30 SY
1 Fencing;cedar,6'Ng(' 25.00 LF
•
Fencing,chain ink.6'Ngh 9.20 LF
Fencing,chain link.gets,20' 880.00 Each
f
Fencing,temporary DIGPID 1.10 LF
Sod 4.82 SY
Monuments,3'long 84.00 Each
Surveying,lot locationdnes 630.00 Aors
•
•
Surveying,In.&grads 510.00 Day
Trak 4"crushed cinder 6.50 SY
Trail,4 top nacres is.o6 SY
i;
. 1
Gabler%3'thick,no earthwork 97.00 SY
Wall,retaining.rookery wiaarthwork 21.00 SF
• •
•
SUBTOTAL inn PPAR
• ..... • . .........
....-.—. —.. .-..... -... —.--.—.
o 1
Page 2
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:n:: o>SY: :i r'?i, tt4A.1 r:t,;d ,��c3: ? > � .a`s :c;F, ?exa,,:xa;; 'ktu•:':4.e. ,,`j.:. .b,::-..a''�:"i }•!..^ry.. '.. 47?"4. V
'r. ,,<?$. Y .Y:c:: ," ?>.�"a. .:9F .�> ?<� z z,::, e3'': .k. 7'S�: ..ay.. x z..,,..`k'T`:,,.•t'K.. .C......:. ,�IptwnO,. '�:kP.�n0%` :r 'r=!wt> �'i,,,,,] ..�.>. k..'�!'^: •4
. ... ,....,..: ,..�:: ,f. ,.a .. .t...:`F::. �..: .;:.ar�'� `�.�.5�-,n:v' ::'R ?zo^axr .�i .:. .�� ^k�`?:::'x�aa .Car, >;�F •.:..� ... ..�,... .. 3".....t✓ ?,�yo,f ...: .. �:C.' .v"3,a ��2:�>+,.f.ir ���w 2Pn �T.',,.,
..... ..,.. h., .....v Z. < < ,,.e..z :....:.. u',,..a:r :Ki�: y:.>S, 5..:
.. a ..,.., .. ,..� ., .v .,. .. .;.....a, ...t .. i'vr,:w:i.'�::. �bk^ `'E:Y'S: �lt. �
. . . >. A3/W07f �.....:�.:l1K91YdA0NdY�. .......x.r... .....: ::��. �.xg`�" :.£r.: ^>,vy>;,. ,.c->...
r.
ONO! .,. . .. . .. :.ONr. r ...., .<... ..< ,.F..,
s31tr7ia d.0111 ,. .. atrnrad. �wu�ierun�. Olvtt ..:. . ,.., ,v`..;;.;, s';
•.N I3.{4id.JJ.JS - .
Sierre Pr( o.
•
EX1STN0". ,`. FUit1RE K19LIC PRIVATE>;.. RID FACILmEE AHD BOND REDUCTIONS
.
RIOHT-OF'WAY:; .ROAO::.`.:. IMPROVE." : '. '' CONVEYANCE'"
.: .. .... : . .......�. ,.. .l..s... Unit r., ilY
" � r,:i.:''''::': Quantity QtNfl
.:...., i:�, .A� .:;':.:'.:. '':.::: ::.:.:'. �'.::: . .;ark::. .
' Prlw :�' 11f11t � � QaenAry P'rlw QUMdty Pr1w QuantltY Price Q•uantity
Prlw CompMta Prim Complete Price Co .wlpiN Pries
ROAD SURFACING(Con't.)
AC Reed,2',4•rock,First 2500 SY 13.70 SY
9.10 SY
AC Road,2',4'roily Qty.over 2500 SY
-
•
AC Road,3',4•rock,First 2500 SY 16.50 SY -
AC toad,3',4'rock,Qty.over 2500 SY 11.00 SY
I
AC Road,5',Rrst 2500 SY
10.80 SY
16.30 SY
AC Road,5',Qty.over 2500 SY .
19.10 SY
AC Road,6',First 2500 SY
12.70 SY
AC Road,6',Qty.ov.i 2500 SY
Asphalt Treated Base(ATB)(Assume 2.05 ton/cyd) 30.00 Ton
•
1
Gravel Road,4'rock,First 2500 Si' 7.20 SY
Gravel Road,4'rock,Qty.over 2500 SY 4.70 SY
PCC Road,5',no base 14.30 SY
PCC Road,6',no base 16.60 SY
DRAINAGE '
(CPP.Conuyated Plastic Pipe,N-12 or equivalent)
Accase Road,R/D 9.30 SY
Baaarda-Rued 290.00 Each
475.00 Each
Bollards-removable
(CBS Induda frame and Rd)
CS Type I 850.00 Each
C8 Typo IL1,000.00 Each . •
CB Typo II,46'diameter 1,300.00 4'deep
for additional depth over 4' +320.00 +1'depth •
•
SUBTOTAL FOR►Asa
C 44aa3S-tawny - Page 4
•
3,
•
Sierra Pro{ect No.
•
•
.... .. : . .. ...>. ... ..:. .....:...:.. ... ....... .. . ........ THQ., aliliUlif:` A CBITIES D�:^':'r
x.... •... ,. .. .. .: .E)Oi .. ..:.:.. . f'veC1C'":.:z=:. [;pf111/ TE:; "FA AN
a.. .. >. .... ... . . .... ...... .... .. . ... i. .. .. ..., w�.: ��>'` ::RIG.. i`BQNA R�(IC11gf{i's;':,> .::'� ':.
. . :>.. .:: ...,ss. .. ... ..... ... .... :.. ......,..,. . ,E...s. :f. .ai`a�iii,- sx:z"`:)'s;�3:�o��v�.x:^
..::.:r:..:..era...::. :.,,a:;r:. .......................,:•...::...< r:ti:':;
_ : . ... ..... . ... . . ... ^ . :.. . .. .. ,� A .. fIdPR R,(Ti`'':' r'CONVEYAN
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•
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i;ss
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:.:::>:.�1:.t.}:S+f.:![<:.;.:>` �'.y,_..;�:r., ...:.. ,;t.>: ..�•5��.,., : ..E. '.:. �R«...�'. sS,�£..�. h: ,.,'f Z...,::1:< !�^`°' 'a.. Y�":.,v :.
a an � b
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.. ,s,.. . . ..<..,-:. ., • .. . ., .3,.«. :... :'. . .„a �„>:,t .t..., ..,.. &.e;� AA33 ,..,Akio :>` �•Ysus.. E;�'r:
..s.:>.: � .. A rLH. .. .x„. ^'r c.. ,zt ,�. .... :.. ..r.. ... ao �r..0 .. a�'< .' 3 �.�::>^>.
.. ... .t .'�., .,. .. ...b. �. ^.�.,.. .. .. L ... .. x.\ ,. ,. , Y3s+t: n:�E :°v!111Ow), :�t;c ,.`��•`�•r`" .:'^`+ i�..: �.a,
�:< �:<:.;: �:�a<sw 7 :.>r,>.,, ,.. dt.rr rs . ,<.�:...� ,k ,r >:� �, it . .<:
�.',:'� '�'' x:,.>r��.x•.k,�.;.�`:�"s��:�;.?�'"��.., ��5 �t�Ptlo'>��s :EAhilt>� � �Me..y?:�IItt.nNtyxs s:Pr�e.�fi`�� lio
�R. >,. .att.�itltY:.>'�`°►r�(a.�'r . : <: � .:canvbo. .. ..Co.�vb+.,
»
. " t:cii+bl.
DRAINAGE Motet.)
•
CB Type IL54'dentate, 1,450.00 4'deep
for additions!depth over 4' +370.00 +1'depth •
CB TWOS,60'diameter 1,600.00 4'deep
for additional depth over 4' • +410.00 +1'depth
CB Type N,72'diameter2,200.00 4'depth
for.ddldonal depth over 4' +520.00 +I'depth
•
Though-orb Wet Framework(Add) 225.00 Each
peanut,PVC,4' 86.00 Each ,
•
Clermont.PVC 6' 115.00 Each
d..nout,PVC,i' > 142.00 Each
Culvert,PVC 4' 4.50 LF •
Culvert,CAf,6•' 9.30 LF
•
Culvert PVC,6' 6.40 LF
•
Culvert.CM?,M 9.50 LF •
.
Culvert.concrete, '8 12.90 LF
•
Culvert,CPP.II' 10.00 LF
Culvert,Pr.8' 8.00 LF .
covert,C?,12' 14.60 LF
Culvert.concrete,12' 17.90 LF
Culvert.CPP,12' 16.50 LF
•
Culvert MP,15' •
18.70 LF
Cu •
lvert.concrete,15' 22.50 LF
talwtt CPPI 15' 18.50 LF
Culvert OAP,1i' • —
21.80 IF
•
SUBTOTAL fcul PAN
•
raa+y.a.-1teawe Page 5
V\
Wares Pr 'o.
:.:.: ..• .. . . :::n.. .:. ,..:,>r: E)OSTWC".i �:<i :.FUTtJHE�rtAUC'`s"': .PRIVATE::;"`':;:�;,?.`'1: 'RID FACK1T1E8 AND.' 60N RED
.:.....: az R1oFiT4F-V11AY, IMPROYFJWEl7Tt{.`>>. :::'[: 'CONVEYANCE" ::...•.
. ".. :::M►ROVFJIENt •
.. ,.... . .. :.. ..... .. ...e... ...........�.. ..., .:»... ..ter.
• .. • .. .... .. .. .,........ : : a ray <,, ,. .::,
.. .................. .. ., ... ....�..... .^t. .... .... ......... .. L / ..Oaun OuMltlty
•
. .... •... Unit:'. Oueedty, tPrlwa :�uanthy ��_. aiinthy• Prb.•� t2uintfty• comp;;;., �Mo. Comp{e CarpM
, .. ., ,� .: Comp
DRAINAGE lCon't.)
Culvert,concrete,18' 27.60 IF
•
Culvert,CPP,18' 22.00 LF•
Culvert,CMP,24' 30.30 LF
•
Culvert,concrete,24' 39.80 LF
Culvert,CPP,24' S 29.00 IF
Culvert,CAP,30' 38.60 LF '
Cu vert,concrete,30' - 64.70 LF
Culvert,CMP,36' 62.80 IF
Xulvert,concrete,36' 83.20 LF •
Culvert,CPP,36' 39.0P LF
Culvert,concrete,42' • 101.80 IF
Culvert,CMP,48' 80.60 LF )
Culvert,concrete,48- 113.00 LF
Culvert,CMP,60' 112.00 LF
Culvert;poncrete,60' • 164.00 LF r
Dhotiln ,bare,roadside 6.40 CY
Row Dispersal Trench 1,100 base+
15'.00 LF
•
French Drafts 12.30 LF
d-tarn Access Riser,36' 700.00 Each
Mi ,
Pond Overflow Spillway 4.70 SY -
Reetrktor/08 Separator,12' 785.00 Each
Msubtor/W Separator,15' 885.00 Each
Reaubtor/011 Separator,18' 1,035.00 Each • •
. i r
SUBTOTAL FOR PAat
•
faa4latae•'2 m4 Page 6 •.
•
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•
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•
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Siena Project No.
. ff
. .
•
,
: . . .
I
•• ••••....,..*::,,..f.Ff.i.:.:,....,, .i,:.::.:-,:,..... :1.:.:':.....:...i*„....i.* E::i:::E:E':i.i.,:...:,:"if :-.,:'.',.''' '''',.:."'ki -'):":::::.'' -...:;:: ,'.-.::.,'..:.ictioREDucTioNs
,....,, ........,.....,...:...,.....:::....a.:.: ...-:...: ,-- ;.-:.:i..,,.?.i,:-i -::i.,..::::.:1:: :::...??g::'.:::''''''''..—,--:''''''...:..*::.i'?;::=i7:,::;- .! ew rosue,-.:i:::: ••pFLIVATE.!:i,:',...1i... ..,::•,..• !.i!R/El FACIIITIES ANI3:-;,9: -i.z,i..,.:....:• .'. ..:::::•-:., .,......... .......-: . *i.1",..::,...:,::.i;4.,i.:..*-.-;•:..,:.,•:.,• '
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..?..,:.!...:'.:.*:;:::P::::':.g?. :-..;!:;01d4W7.XMF.&::%:-::: gii?"5,.:4'... %.:'N:gW.'.....V:TA::•:..44.,',N0,4 qttotoc*.rit.Y.4t..8...____°"° 3::,:::-: .,k,....t ,i-.F1=9:7:f.7•77...7•7:L„x;zi,p, ,,zii, 1:•:,..„..„,:ii,w,aki-3;..ai.. ..41::.A.•:.,4i:: ::'6t:•&!:: ::.-z-r.5.)1.••••••i•-•••,., Ac•-4,--•,g •:,,,-.4-...
•. .:-:::-.:-.:-.- --:.-.0:,••*?".4::,:::.;,411Azip:3-.i:..,: xgw:.i.vw,itRY.i.,..,poii:viE.;i.i•!- .::i. :5-k. ...2-;"<:..:4,5.i.li V§q4-otifizi..;>iw:L:i!..7.7Y'...'" ;;::,:s::*..Z.::::gNe:;?,':'::':''',.....K""''' '''.. ''':'...:„....;,.„,. .T.'!":;:"...'...:;.'..':::.:.....7:".:::7... ....:,...;:...,:.:,!.:..:•v:. k..:..::-.::.....,.:.!„..:4,...,.-:.i„:;.<.:•:,: :',.'•,-;::.:: :.:....-, -;::::,i,:-•
.,i'.....i.,-.:.'01.'ii:-(=W..,s.:',101&aW46-64,(feiL.:,::41nM.4:WN1R ::'5.1':Rs'3:" .*''"''.:1:''''''!' ''..':!.';''.::::':',.f:!.:,..:..,.:.:::::'7:....."',. ... e.,.-..,.. .,.•.:.,.. .......,,.....-...4-.. :'''.,• "......":,'. ••=, ,, '?-,-."' ' ''''''"5
k:*;: '''''''.4.k,.,',.:.`::.:MV::.:.:64:1;:.:..,.x,i A..,:..*%:...i..if:.W.:,:f.:,,,k,....g.1..'''''.,;.:.,"^4,,,:',..W.,',f.,.:;:i::qh"-i.s.i,,...-• .:: :....'$6, ,,„1,,,"•,:....'s...:: ,.:q..,•45_,....„1.g..*. :Aogyintite..,in,,..".,,,,,...,c A.cbsndty,, 44.,0..
'•.•.:..i.:::i:.,,w,'VF..;A,*t;?Atl.:.;r„.;,44om,Za.3:.i.4mj.ft,!gii.ttX..,j,..;:-,..(,4ii. +:AA:i..,:ki:WiltAte...4:Z?..04-,',*. :I.:4,,,„:„......,...,.,...;:.,,......:„.:...tit.;..... .,,,,,„0„........:41:atir.46,:„.i.:„...k,,,w,,,,A.vgita„i-4..-... 1--3,:. :::(044..„, .3:•coniptia4 :5.-Prfin" .•
*§M'it:.:...:WOU.i.e.''',.-,s'ilt5'''' ...T. ::'!L.I.i'?!..M....„1::•epn,,,K7J.4.•Ift. ‘,„ k..]:s.40.4.10::01:i•?,,',.....„,,,i.VAt... :i,i„,...••:?:,,,,,,tti3g:&6. l'i...3'.'4'I:5$A:•:,..WM.: •.'ige U^•,x?'••••,.k:,-.0,1an.,,,,, ' ....:?...‘opilo•tr:.i.:coniggii•f. ... .>:: "•"""..."*. '" ' ' - -
.:',..i.;:; •••I, ' 't.- - ..1•••t:, '''. : .i.cre.lUk5 •14.''';'.....k.:'..z4•::7 .*tpliica'Y'S•4 api`Uniti••17 TClikesiet:i'N . •:.','AILIIIIItitri,S,v.•4 •-•,,,,•-•
,.A,r, ' - • - '''••.•t••••1/4••• ••.'404.Y.4:4•4. ' •S.:, Ig.atA.
•
DRAINAGE Motet/
• ,Ripi•p,Piscoi 28.00 CY
400.00 Each
•
Tank End Reducer
Teo.00 Each
Trash Rook 12'
•
•
Troth Rook,IV 185.00 Each
. •
1
210.00 Each
• .
Troth Rack.IS"
Trash Rea.21 240.00 Each'
•
' .
. .
PAWING LOT SINIFACRIG '•
2.A.C..r top oouraa rook&4"melon borrow 8.10 SY .
1.5 top course rock&2.5'bass course 4.70 SY
1.75 SY
4'Wiwi borrow
' .
•
WRITE-IN RDAS
I I
. .
' 1. • .
X .
•
•
• • .
.... ..... .. ........
SUBTOTAL(SUM AU.PAGES): _ - - ..
-
30%CONTINGENCY a MOBILIZATION:
- - -
(A) (B) " to
.• TOTAL:.
' VIS•
Page 7
V\
Iziwk....11•11 lo 200/111
Slims Pi Mo.
Quantities above --.re completed by:
Signature: Date:
PE Registration Number: Telephone Number. •
Firm Name: •
Address: ,
•
This section to be completed by K/ng County
BOND COMPUTATIONS:
PERFORMANCE BOND AMOUNTS MAINTENANCE BOND AMOUNT DEFECT BOND AMOUNT
Stabilization/Erosion Sediment Control (EEC) (D)
Existing Right-of-Way Improvements (E)
Futise Pubic Road Improvements (F)' (E+F)x 0.25
•
Private Improvements
RiD Fealties and Conveyance Systems x O.15
TOTAL (17
PERFORMANCE
BOND AMOUNT ,
-
RIGHT-OF-WAY&SITE RESTORATION BOND (D+E)
(First$7,500 of bond shall be cash.)
01
PERFORMANCE BOND TOTAL AFTER BOND REDUCTIONS
(T-A,B OR C) 52 •
•
53 •
NOTE The word'bond' is used to represent Original bond computations Signature of Person Preparing Bond Reduction
any financial guarantee acceptable to prepared by: Date:
. King County.
i1
Data
• 52
Date
e3
• Data
•
NOTE: Total bond snouts remaining after redo:don shell not
be less than 30%of the original amount er the area of die
maintsnanos and detect amounts shown above.wlidie er
greater.
•
h....LEIN Witall Page 8
S7�f
KING COUNTY, WAS , NGT - -�
ai ON, SURFACE WA�TEL-�DESIGN MANUAL
RETENTION/DETENTION SUMMARY SHEET
Development TE ` 9:4 j Ave- . FAm Date &"61,7
Location `'`'z'") e- 'o 5
•
ENGINEER DEVELOPER
Name aA'l Der--r-e4 Name CAi n-iC. 6 wl.avery 5a✓ic,ES
Firm RoSif, 20673 4 /flTC' w&5, wc., Firm
Address Zoo 9 rn 1,1 og- AlVe e- Address /00 2-3`-°4-i4v�- _5 .
5C•�gzn- , GJA W/02- _ Sc.93Tc� 1A/A- - 9?/41-
Phone ( b) 3Z3- 41 +I Phone 37-X-- 570 4-£7
• Developed Site 0 `)3 acres Number of Lots
• Number of Detention Facilities On Site
• Detention provided in regional facility
_ Regional Facility location
' •No detention required f
Acceptable receiving waters
• Downstream Drainage Basins -
Immediate Major Basin
Basin A LH14Ect14-6e7,/ 77,1
Basin B
- Basin C -
Basin D
TOTAL INDIVIDUAL BASIN
Drainage Basin(s) A
Onsite Area - -0 . 9 3 = •
Offsite Area -
Type of Storage Facility VA-LI LT
Live Storage Volume - r.
Predeveloped Runoff Rate. -2 year ©,01 c-
10 year O i/( c.Ls
Postdeveloped Runoff Rate - 100 year 0 e7 cis
2 year O,O2_
10 year �. 11 CUT OF- Oh)i_7
Developed Q 100 year p,ZS
. Type of Restriction
Size of Orifice/Restriction • - . _
- Orifice/Restriction • • No.1 51S
No.2 3 - '/a."
No.3 2 " -
No.4
No,5 •
t a 5y,pc
XI. MAINTENANCE AND OPERATIONS MANUAL
f
(,5
KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL
NO. 3 - CLOSED DETENTION SYSTEMS (PIPES/TANKS)
Maintenance Conditions When Maintenance Results Expected
• Component Defect is Needed When Maintenance Is Performed •
Storage Area Plugged Air Vents One-half of the cross section of a vent is Vents free of debris and sediment.
• blocked at any point with debris and
sediment.
Debris and Accumulated sediment depth exceeds All sediment and debris removed from
• Sediment 10%of the diameter of the storage area storage area.
- for 1/2 length of storage vault or any
i•' point depth exceeds 15%of diameter.
Example: 724nch storage tank would
require cleaning when sediment reaches
depth of 7 inches for more than 1/2
length of tank.
'Joints Between My crack allowing material to be All joints between tank/pipe sections are
Tank/Pipe Section transported into facility. sealed.
Tank/Pipe Bent My part of tank/pipe is bent out of shape Tank/pipe repaired or replaced to design.
Out of Shape more than 10%of its design shape.
• Manhole Cover not in Place Cover is missing or only partially in place. Manhole is doses!.
• I My open manhole requires maintenance.
Locking Mechanism cannot be opened by one Mechanism opens with proper tools.
Mechanism Not maintenance person with proper tools.
Working Bolts into frame have less than 1/2 inch of thread (may not apply to self-locking
lids).
Cover Difficult to One maintenance person cannot remove Cover can be removed and reinstalled by
Remove lid after applying 80 pounds of lift. Intent one maintenance person.
is to keep cover from sealing off access
to maintenance.
•
Ladder Rungs King County Safety Office and/or Ladder meets design standards and
Unsafe maintenance person judges that ladder is allows maintenance persons safe access.
unsafe due to missing rungs,
misalignment,rust,or cracks.
Catch Basins See"Catch Basins'Standard No.5 See"Catch Basins"Standard No.5
•
•
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A-3 �
5�
t.S
KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL
NO. 4 - CONTROL STRUCTURE/FLOW RESTRICTOR
(
Maintenance Conditions When Maintenance Results Expected
Component Defect Is Needed When Maintenance Is Performed
General Trash and Debris Distance between debris build-up and All trash and debris removed.
Sediment)(� bottom of orifice plate is less than 1-1/2
Structural Damage Structure is not securely attached to Structure securely attached to wail and
manhole wall and outlet pipe structure outlet pipe. .
should support at least 1,000 pounds of -
i 'up or down pressure.
11
Structure is not In upright position (allow. Structure in correct position.
1 up to 10%from plumb).
Connections to outlet pipe are not Connections to outlet pipe are watertight;
t watertight and show signs of rust. structure repaired or replaced and works
as designed.
My holes—other than designed holes—
in the structure. Structure has no holes other than
I
tdesigned holes. •
Cleanout Gate Damaged or Cleanout gate Is not watertight or is Gate is watertight and works as designed.
Missing missing. _
Gate cannot be moved up and down by Gate moves up and down easily and is
one maintenance person. watertight.
1
1 Chain leading to gate is missing or Chain is in place and works as designed.
damaged.
- Gate is rusted over 50%of its surface Gate is repaired or replaced to meet
1 area. design standards. (
Orifice Plate Damaged or Control device is not working properly Plate is in place and works as designed.
Missing due to missing,out of place,or bent
orifice plate. -
Obstructions Any trash,debris,sediment,or vegetation Plate is free of all obstructions and works
blocking the plate. as designed.
Overflow Pipe Obstructions My trash or debris blocking (or having Pipe is free of all obstructions and works
the potential of blocking)the overflow as designed._ •
1 pipe.
Manhole See-Closed Detention Systems'Standard See -Closed Detention Systems'Standard- _
1 No.3. No.3. -
1 •
Catch Basin See'Catch Basins'Standard No.5. See'Catch Basins'Standard No.5.
•
•
-
•
A� 1 O
cy,
•
_KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL
NO. 5 - CATCH BASINS
Maintenance Conditions When Maintenance Results Expected
Component Defect Is Needed When Maintenance is Performed
General Trash &Debris Trash or debris of more than 1/2 cubic No trash or debris located immediately in
(Includes foot which is located immediately in front front of catch basin opening.
Sediment) of the catch basin opening or is blocking
:capacity of basin by more than 10%.
Trash or debris (in the basin)that No trash or debris in the catch basin. •
f exceeds 1/3 the depth from the-bottom
of basin to invert of the lowest pipe into
or out of the basin.
Trash or debris in any inlet or outlet pipe inlet and outlet pipes free of trash or
blocking more than 1/3 of its height. debris.
Dead animals or vegetation that could No dead animals or vegetation present
generate odors that would cause within the catch basin.
complaints or dangerous gases (e.g.,
methane).
Deposits of garbage exceeding 1 cubic No condition present which would attract
foot in volume. or support the breeding of insects or
rodents.
Structural Damage Corner of frame extends more than 3/4 Frame is even with curb.
to Frame and/or inch past curb face into the street (if
Top Slab applicable). -
Top slab has holes larger than 2 square Top slab is free of holes and cracks.
inches or cracks wider than 1/4 inch
(intent is to make sure all material is
running into the basin).
Frame not sitting flush on top slab,i.e., Frame is sitting-flush on top slab.
separation of more than 3/4 inch of the -
frame from the top slab.
Cracks in Basin Cracks wider than 1/2 inch and longer Basin replaced or repaired to design
Walls/Bottom than 3 feet, any evidence of soil particles standards.
entering catch basin through cracks,or
maintenance person judges that structure
as unsound. -
Cracks wider than 1/2 inch and longer No cracks more than 1/4 inch wide at the
than 1 foot at the joint of any inlet/outlet joint of inlet/outlet-pipe.
• pipe or any evidence of soil particles
entering catch basin through cracks.
Settlement/ Basin has settled more than 1 inch or has Basin replaced or repaired to design
Misalignment rotated more than 2 inches out of standards.
alignment.
Fire Hazard Presence of chemicals such as natural No flammable chemicals present.
gas,oil,and gasoline. -
Vegetation Vegetation growing across and blocking No vegetation blocking opening to basin.
more than 10%of the basin opening.
Vegetation growing in inlet/outlet pipe No vegetation or root growth present.
•
joints that is more than six inches tall and
less than six inches apart.
Pollution Nonflammable chemicals of more than No pollution present other than surface
1/2 cubic foot per three feet of basin film.
length.
A-5 - 1/90
"%
4,s
KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL
NO. 5 - CATCH BASINS (Continued) (:
Maintenance Conditions When Maintenance Results Expected -
Component- Depot is Needed When Maintenance is Performed
Catch Basin Cover Cover Not in Place Cover is missing or only partially in place. Catch basin cover is closed.
Any open catch basin requires
maintenance.
Locking Mechanism cannot be opened by one Mechanism opens with proper tools.
Mechanism Not maintenance person with proper tools.
Working _ :: Botta into frame have lass than 1/2 inch
i 'of thread.
Cover Difficult to One maintenance person cannot remove Cover can be removed by one
Remove lid after applying 80 lbs.of lift; Intent is maintenance person.
keep cover from sealing off access to
maintenance.
Ladder Ladder Rings Ladder is unsafe due to missing rungs, Ladder meets design standards and
Unsafe misalignment,rust,cracks,or sharp allows maintenance person safe access.
edges.
Metal Grates Grate with opening wider than 7/8 inch. Grate openings meet design standards.
Of applicable)
Trash and Debris Trash and debris that is blocking more Grate free of trash and debris.
than 20%of grate surface.
Damaged or Grate missing or broken member(s)of Grate is in place and meets design
Missing the grate. standards.
•
•
•
A-6 1/90
KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL
NO. 10 - CONVEYANCE SYSTEMS (Pipes & Ditches)
•
Maintenance Conditions When Maintenance Results Expected
Component Defect Is Needed When Maintenance Is Performed
Pipes Sediment&Debris Accumulated sediment that exceeds 20% Pipe cleaned of all sediment and debris.
• of the diameter of the pipe.
Vegetation Vegetation that reduces free movement of All vegetation removed so water flows
water through pipes. freely through pipes.
Damaged Protective coating is damaged;rust is Pipe repaired or replaced.
causing more than 50%deterioration to
any part of pipe.
Any dent that decreases the cross section Pipe repaired or replaced.
area of pipe by more than 20%.
Open Ditches Trash &Debris Trash and debris exceeds 1 cubic foot Trash and debris cleared from ditches.
per 1,000 square feet of ditch and slopes.
Sediment Accumulated sediment that exceeds 20% Ditch cleaned/flushed of all sediment and
of the design depth. debris so that it matches design.
Vegetation Vegetation that reduces free movement of Water flows freely through ditches.
water through ditches.
Erosion Damage to See'Ponds'Standard No. 1 See'Ponds'Standard No. 1
Slopes
Rock Lining Out of Maintenance person can see native soil Replace rocks to design standard.
Place or Missing (If beneath,the rock lining.
Applicable)
Catch Basins See'Catch Basins"Standard No.5 See"Catch Basins'Standard No.5
Debris Barriers See'Debris Barriers'Standard No.6 See"Debris Barriers"Standard No.6
(e.g.,Trash Rack)
•
•
•
•
•
A-11 1/90 -
y
APPENDIX
• �%• i lI
°te t a- ..
•
i , •
•
•
•
•
•
•
•
•
• _ ' 5
• •
, ' , ' Report _ :. .
Geotechnical Engineering Services • .v•
Proposed Jefferson Avenue
- - Family Housing. .
•
-- • ' 1000 Jefferson Avenue Northeast •
- Renton, Washington . - •_ '
March 21, 1997 /• .
- •
-• . it For 1
Catholic Community Services -
•
• -
/ 6 7 '‘ . _ .- , .+ , v
. .\ I 1 ' /• / •e. / ( • / • � '
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•• 1 ' ` J. '. .\.-
• ' ., G e o'E ii g-i 'n e e r s — •File No.23N-004'10-1130/032197 •
! I
(P)s
r ' it .
REPORT
GEOTECHNICAL ENGINEERING SERVICES
PROPOSED JEFFERSON AVENUE FAMILY HOUSING
1000 JEFFERSON AVENUE NORTHEAST
RENTON, WASHINGTON
INTRODUCTION
This report presents the results of our geotechnical engineering services for the proposed
Jefferson Avenue Family Housing_project to be located at 1000 Jefferson Avenue Northeast in
Renton, Washington.
The property is a vacant lot located to the north and east of the Employment Security
Department building, and south of the St. Vincent De Paul Store off of Sunset Boulevard
Northeast. Jefferson Avenue Northeast currently deadends on the south side of the property.
The preliminary site plan shows a continuation of Jefferson Avenue Northeast to intersect with
Index Avenue Northeast on the northwest corner of the site.
We understand that the proposed housing project will likely consist of four to five,
two-story wood-frame buildings. Approximately 18 units will occupy the structures. Typical
loads for structures of this type include maximum column loads less than about 50 kips and floor
loads in the range of 50 to 75 psf(pounds per square foot).
SCOPE
The purpose of our geotechnical engineering services_is to evaluate subsurface soil and
ground water conditions at the site as a basis for developing recommendations for site
development, foundation design, and other aspects of project construction affected by subsurface
conditions. Specifically, our services includes the following tasks:
1. Evaluate subsurface soil and ground water conditions at the site by excavating-eight test
pits with a rubber-tired backhoe. Also, complete a reconnaissance of the steep slope •
located on the eastern boundary_of the site.
2. Evaluate pertinent physical and engineering characteristics of the site soils from the
results of laboratory tests_performed on samples obtained from the explorations. In
particular, we completed moisture content tests.
3. Describe site conditions including detailed subsurface soil conditions encountered based
on results of the field explorations and laboratory analysis.
4. Provide recommended criteria for site grading including stripping and excavation of any
unsuitable soils or improvement of existing fill-on site, and imported fill gradation,
placement and compaction. Also provided are structural fill requirements as needed for
support of the buildings and pavements, and our evaluation of the effects of weather
and/or construction equipment on the on-site soils and imported soils.
G e o E n g i n e e r s 1 File No.2352-004-10-1130/032197
•
(07
5. Provide foundation design recommendations including allowable soil bearing pressures
for shallow-spread footings for the proposed buildings.
6. Evaluate the liquefaction potential of the underlying soils and provide recommendations
for appropriate foundation support alternatives.
7. Provide recommendations for support of slab-on-grade floors.
8. Evaluate;the settlement performance of spread footings and floor slabs.
9. Provide design parameters for temporary slopes and retaining walls as appropriate.
•
10. Provide recommendations.for pavement subgrade support and design sections for parking
f
and driveway areas.
11. Provide recommendations for surface and subsurface drainage systems to control ground
water conditions should this be appropriate. •
SITE CONDITIONS
SURFACE CONDITIONS
_ With the exception of the eastern boundary, the site is fairly level and vegetated with
grass, scattered brush and a few deciduous trees. The site slopes up steeply to the east on the
eastern boundary to the adjacent properties housing single family residences. The slope is thickly
vegetated and has an overall relief ranging from 12 to 18 feet. The topographic survey prepared
by Pac-Tech dated March 26,1993 indicates slope inclinations of 3H:1V (horizontal to vertical).
No indications of instability were observed on the thickly vegetated slope face during our site
reconnaissance on February 7, 1997.
SUBSURFACE CONDITIONS
We explored subsurface soil and ground water conditions by excavating eight test pits to
depths ranging from 8 to 14.5 feet. Approximate locations of the explorations are shown in
Figure 2. Descriptions of the field exploration and laboratory testing procedures and exploration
logs are presented in the appendix.
Subsurface conditions encountered in our explorations consist primarily of loose to dense
sandy outwash soils. The soils become dense below a depth ranging from 4 to 10 feet.
Interlayered stiff silt was encountered between a depth of 5 to 8 feet.in the test pits completed
in the northeast'portion of the site (test pits TP-5 and TP-6).
We also completed a slope reconnaissance and shallow excavations with hand tools on
the eastern slope. We encountered dense silty sand with gravel and occasional cobbles (glacial
till) within 1 foot of the existing ground surface on the slope face.
GROUND WATER CONDITIONS
Ground water seepage was observed in one of the test pit explorations (TP-1) at a depth
of 12 feet below the existing ground surface. No seepage was observed in the remaining
G e o E n g i n e e r s _ 2 • File No.2352-004-10-1130/032197
-o .
explorations. We expect that surface water runoff permeates rapidly through the clean sands
encountered at the site. The ground water level should be expected to fluctuate as a function of
season, precipitation and other factors.
CONCLUSIONS AND RECOM
MENDATIONS
GENERAL
We conclude that the proposed buildings can be supported on shallow spread footings
bearing on the existing(.tnedium dense native soils or on a zone.of structural fill. Support may
be founded on the existing sandy soils encountered below the upper 6 to 12 inches of silty sand
topsoil. The floor slabs can also be supported on the native soils following stripping of the upper
silty sand topsoil. Any footings or slabs which need to be founded at a higher elevation than
where the medium dense native soils are encountered should be supported on a zone of compacted -
structural fill.
A permanent wall will be required along the eastern border of the property where the site
slopes up to the adjacent residences. We understand that the wall will likely be a rockery or a _
conventional concrete retaining wall. Recommendations for these walls and for temporary and
permanent cut slopes are provided in detail in following sections.
Portions of the surficial soils at the site consist of moisture-sensitive silty sand.
Construction traffic on these soils will result in considerable disturbance during wet weather. The
clean sandy soils underlying the silty sand soils are less sensitive to moisture and are typically
workable during wet weather conditions.
The following sections of this report provide more detailed recommendations for design
and construction.
SITE PREPARATION - •
We recommend that the surficial organics and topsoil be stripped from all building and
pavement areas. The depth of stripping should be sufficient to remove the major root structure
of the weed and grass cover. With the exception of localized grubbing of root structures of trees
and brush, the depth of stripping across the site will be on the order of 6 to 12 inches. The
stripped and/or cut material should be wasted from the site or used in landscaping areas.
Those areas which are stripped and are to receive fill should be proofrolled with heavy
rubber-tired construction equipment if work is done during extended dry weather. Any soft,
loose or otherwise unsuitable areas identified during proofrolling should be recompacted, if
practical, or removed and replaced with structural fill as described subsequently. We recommend
that proofrolling of the subgrade be observed by a representative from our firm to assess the
adequacy of the subgrade conditions and to identify areas needing remedial work.
If site preparation is performed during wet weather, stripping should be done using
lightweight construction equipment. Trafficability at the site under wet conditions may be
difficult in some areas and result in disturbance to exposed subgrade areas. We recommend the
-
G e o E n g i n e e r s - 3 • File No.2352-004-10-1130/032197
• • (44 5
MOISTURE CONTENT DATA
Depth of Moisture
Test Pit Sample Soil Content
Number (feet) Classification* (%)
TP-1 1.5 SP 6
TP-2 2.5 SP 7
TP-3 r - 2.0 SP-SM 12
TP-4 _ 1.5 SM 16
TP-5 2.0 SP 11
TP-6 1:5 SP 11
TP-7 0.5 SP 5
TP-8 1.5 SP 10
* Refer to Test Pit Logs for Complete Soil Description
•
\ MOISTURE CONTENT DATA
Geo., Engineers _ FIGURE A-6
G
(15"4,/
4 •
SOIL CLASSIFICATION SYSTEM
GROUP
MAJOR DIVISIONS SYMBOL GROUP NAME
GRAVEL CLEAN GW WELL-GRADED GRAVEL,FINE TO COARSE GRAVEL
COARSE GRAVEL
GRAINED GP POORLY-GRADED GRAVEL
SOILS More Than 50%
of Coarse Frabtion GRAVEL GM SILTY GRAVEL
Retained WITH FINES
on No.4 Sieve GC CLAYEY GRAVEL
More Than 50%
Retained on SAND CLEAN SAND SW WELL-GRADED SAND, FINE TO COARSE SAND
No. 200 Sieve
SP POORLY-GRADED SAND
More Than 50%
of Coarse Fraction SAND SM SILTY SAND
Passes WITH FINES
• No.4 Sieve SC CLAYEY SAND
FINE SILT AND CLAY ML SILT
GRAINED - INORGANIC •
SOILS CL CLAY
Liquid Limit -
Less Than 50 ORGANIC OL ORGANIC SILT,ORGANIC CLAY
More Than 50% SILT AND CLAY MH SILT OF HIGH PLASTICITY, ELASTIC SILT
Passes INORGANIC
CH CLAY OF HIGH PLASTICITY, FAT CLAY
No. 200 Sieve
Liquid Limit
50 or More ORGANIC OH ORGANIC CLAY,ORGANIC SILT
HIGHLY ORGANIC-SOILS PT PEAT
NOTES: - SOIL MOISTURE MODIFIERS:
1. Field classification is based on visual examination of soil Dry- Absence of moisture, dusty, dry to the touch
in general accordance with ASTM D2488-90.
Moist- Damp, but-no visible water
2. Soil classification using laboratory tests is based on
ASTM D2487-90. Wet- Visible free water or saturated, usually soil is
obtained from below water table
3. Descriptions of soil density or consistency are based on
interpretation of blow count data,visual appearance of
soils, and/or test data.
•
a�
c ..
u -
SOIL CLASSIFICATION SYSTEM
Geo\�Engineers
_ FIGURE A-1
•
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•
•
DEVELOPMENT PLANNING
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• /• I I- i Geotechnical E•ngineering,Services
Proposed Jefferson Avenue
\ •• -: Family -Housing / / /.{
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- 1000•;Jefferson Avenue Northeast
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/ , `,/ ; '
t
ze4
Geo O Engineers
March 21, 1997 Consulting Engineers
and Geoscientists
Offices in Washington,
Oregon,and Alaska
Catholic Community Services
c/o Foster Construction Co.
13522 Roosevelt Way North
Seattle, Washington 98133-7845
Attention: Mr. Ed Foster
We are pleased to submit two copies of our report, "Geotechnical Engineering Services,
Proposed Jefferson Avenue Family Housing, 1000 Jefferson Avenue Northeast, Renton,
Washington." Our geotechnical engineering services were completed in general accordance with
our proposal dated January 23, 1997. Preliminary results of our geotechnical engineering study
were discussed with you as information became available.
We appreciate the opportunity to work with Catholic Community Services and Foster
Construction on this project. Please call if you have any questions regarding this report.
Yours very truly,
GeoEngineers, Inc.
Kenneth G. Buss, P.E.
Associate
DCO:KGB:cms
Document ID: P:\2352004.R
File No.2352-004-10
CC: CCSWW
100 - 23rd Ave. S.
Seattle, WA 98144
Attn: Ms. Stephanie Durman
GeoEngineers,Inc.
8410 154th Avenue N.E.
Redmond,WA 98052
Telephone(206)861-6000
Fax(206)861-6050
I
CONTENTS
Page No.
INTRODUCTION 1
SCOPE 1
SITE CONDITIONS 2
SURFACE CONDITIONS 2
SUBSURFACE CONDITIONS 2
• GROUND WATER CONDITIONS 2
CONCLUSIONS AND RECOMMENDATIONS 3
GENERAL 3
SITE PREPARATION 3
EARTHWORK 4
TEMPORARY AND PERMANENT CUT SLOPES 4
CONVENTIONAL RETAINING WALLS 5
ROCKERIES 5
SHALLOW FOUNDATION SUPPORT 6
FLOOR SLAB SUPPORT 6
LATERAL RESISTANCE 7
PAVEMENT RECOMMENDATIONS 7
DRAINAGE CONSIDERATIONS 8
LIMITATIONS 8
FIGURES Figure No.
Vicinity Map 1
Site Plan 2
Rockery Schematic 3
APPENDICES Page No.
Appendix A - Subsurface Explorations and Laboratory Testing A-1
Subsurface Explorations A-1
Laboratory Testing A-1
APPENDIX A FIGURES Figure No.
Soil Classification System A-1
Logs of Test Pits A-2 A-5
Moisture Content Data A-6
G e o E n g i n e e r s i File No.2352-004-10-1130/032197
REPORT
GEOTECHNICAL ENGINEERING SERVICES
PROPOSED JEFFERSON AVENUE FAMILY HOUSING
1000 JEFFERSON AVENUE NORTHEAST
RENTON, WASHINGTON
•
INTRODUCTION
This report presents the results of our geotechnical engineering services for the proposed
Jefferson Avenue Family Housing project to be located at 1000 Jefferson Avenue Northeast in
Renton, Washington.
The property is a vacant lot located to the north and east of the Employment Security
Department building, and south of the St. Vincent De Paul Store off of Sunset Boulevard
Northeast. Jefferson Avenue Northeast currently deadends on the south side of the property.
The preliminary site plan shows a continuation of Jefferson Avenue Northeast to intersect with
Index Avenue Northeast on the northwest corner of the site.
We understand that the proposed housing project will likely consist of four to five,
two-story wood-frame buildings. Approximately 18 units will occupy the structures. Typical
loads for structures of this type include maximum column loads less than about 50 kips and floor
loads in the range of 50 to 75 psf(pounds per square foot).
SCOPE
The purpose of our geotechnical engineering services is to evaluate subsurface soil and
ground water conditions at the site as a basis for developing recommendations for site
development, foundation design, and other aspects of project construction affected by subsurface
conditions. Specifically, our services includes the following tasks:
1. Evaluate subsurface soil and ground water conditions at the site by excavating eight test
pits with a rubber-tired backhoe. Also, complete a reconnaissance of the steep slope
located on the eastern boundary of the site.
2. Evaluate pertinent physical and engineering characteristics of the site soils from the
results of laboratory tests performed on samples obtained from the explorations. In
particular, we completed moisture content tests.
3. Describe site conditions including detailed subsurface soil conditions encountered based
on results of the field explorations and laboratory analysis.
4. Provide recommended criteria for site grading including stripping and excavation of any
unsuitable soils or improvement of existing fill on site, and imported fill gradation,
placement and compaction. Also provided are structural fill requirements as needed for
support of the buildings and pavements, and our evaluation of the effects of weather
and/or construction equipment on the on-site soils and imported soils.
G e o E n g i n e e r s 1 File No.2352-004-10-1130/032197
5. Provide foundation design recommendations including allowable soil bearing pressures
for shallow-spread footings for the proposed buildings.
6. Evaluate the liquefaction potential of the underlying soils and provide recommendations
for appropriate foundation support alternatives.
7. Provide recommendations for support of slab-on-grade floors.
8. Evaluate the settlement performance of spread footings and floor slabs.
9. Provide design parameters for temporary slopes and retaining walls as appropriate.
10. Provide recommendations for pavement subgrade support and design sections for parking
and driveway areas.
11. Provide recommendations for surface and subsurface drainage systems to control ground
water conditions should this be appropriate.
SITE CONDITIONS
SURFACE CONDITIONS
With the exception of the eastern boundary, the site is fairly level and vegetated with
grass, scattered brush and a few deciduous trees. The site slopes up steeply to the east on the
eastern boundary to the adjacent properties housing single family residences. The slope is thickly
vegetated and has an overall relief ranging from 12 4o 18 feet. The topographic survey prepared
by Pac-Tech dated March 26,1993 indicates slope inclinations of 3H:1V (horizontal to vertical).
No indications of instability were observed on the thickly vegetated slope face during our site
reconnaissance on February 7, 1997.
SUBSURFACE CONDITIONS
We explored subsurface soil and ground water conditions by excavating eight test pits to
depths ranging from 8 to 14.5 feet. Approximate locations of the explorations are shown in
Figure 2. Descriptions of the field exploration and laboratory testing procedures and exploration
logs are presented in the appendix.
Subsurface conditions encountered in our explorations consist primarily of loose to dense
sandy outwash soils. The soils become dense below a depth ranging from 4 to 10 feet.
Interlayered stiff silt was encountered between a depth of 5 to 8 feet in the test pits completed
in the northeast portion of the site (test pits TP-5 and TP-6).
We also completed a slope reconnaissance and shallow excavations with hand tools on
the eastern slope. We encountered dense silty sand with gravel and occasional cobbles (glacial
till) within 1 foot of the existing ground surface on the slope face.
GROUND WATER CONDITIONS
Ground water seepage was observed in one of the test pit explorations (TP-1) at a depth
of 12 feet below the existing ground surface. No seepage was observed in the remaining
G e o E n g i n e e r s 2 File No.2352-004-10-1130/032197
`› ' r
explorations. We expect that surface water runoff permeates rapidly through the clean sands
encountered at the site. The ground water level should be expected to fluctuate as a function of
season, precipitation and other factors.
CONCLUSIONS AND RECOMMENDATIONS
GENERAL
We conclude that the proposed buildings can be supported on shallow spread footings
bearing on the existing medium dense native soils or on a zone of structural fill. Support may
be founded on the existing sandy soils encountered below the upper 6 to 12 inches of silty sand
topsoil. The floor slabs can also be supported on the native soils following stripping of the upper
silty sand topsoil. Any footings or slabs which need to be founded at a higher elevation than
where the medium dense native soils are encountered should be supported on a zone of compacted
structural fill.
A permanent wall will be required along the eastern border of the property where the site
slopes up to the adjacent residences. We understand that the wall will likely be a rockery or a
conventional concrete retaining wall. Recommendations for these walls and for temporary and
permanent cut slopes are provided in detail in following sections.
Portions of the surficial soils at the sit; consist of moisture-sensitive silty sand.
Construction traffic on these soils will result in considerable disturbance during wet weather. The
clean sandy soils underlying the silty sand soils are less sensitive to moisture and are typically
workable during wet weather conditions.
The following sections of this report provide more detailed recommendations for design
and construction.
SITE PREPARATION
We recommend that the surficial organics and topsoil be stripped from all building and
pavement areas. The depth of stripping should be sufficient to remove the major root structure
of the weed and grass cover. With the exception of localized grubbing of root structures of trees
and brush, the depth of stripping across the site will be on the order of 6 to 12 inches. The
stripped and/or cut material should be wasted from the site or used in landscaping areas.
Those areas which are stripped and are to receive fill should be proofrolled with heavy
rubber-tired construction equipment if work is done during extended dry weather. Any soft,
loose or otherwise unsuitable areas identified during proofrolling should be recompacted, if
practical, or removed and replaced with structural fill as described subsequently. We recommend
that proofrolling of the subgrade be observed by a representative from our firm to assess the
adequacy of the subgrade conditions and to identify areas needing remedial work.
If site preparation is performed during wet weather, stripping should be done using
lightweight construction equipment. Trafficability at the site under wet conditions may be
difficult in some areas and result in disturbance to exposed subgrade areas. We recommend the
G e o E n g i n e e r s 3 File No.2352-004-10-1130/032197
suitability of the subgrade soils be visually evaluated by a representative from our firm. A layer
of sand and gravel with less than 5 percent fines (material passing the U.S. No. 200 sieve),
crushed rock or quarry spalls, possibly underlain with geotextile fabric, may be useful to stabilize
soft areas for access during wet weather construction.
EARTHWORK
We recommend that all fill placed in the building and pavement areas be placed and
compacted as structural fill. The structural pad beneath footings should consist of a minimum
2-foot thickness of compacted structural fill, or the native medium dense soils. As described in
subsequent sections of this report, we recommend that floor slabs be underlain by a minimum
thickness of 4 inches of capillary break material overlying the existing medium dense native soils
or compacted structural fill. The existing native soils should be proofrolled or otherwise
evaluated and recompacted as necessary prior to capillary break placement.
During dry weather, structural fill other than the capillary break material and the subbase
subsequently recommended for the pavement section, can consist of granular material with less
than 30 percent fines, providing that the fines are well mixed throughout the soil and are not
present as clumps. The maximum particle size should be limited to 6 inches for general site
grading and the moisture content should be near 4he optimum moisture content required for
compaction. We should be provided samples of any proposed borrow material for evaluation
prior to beginning earthwork. The pavement subbase and the capillary break material should
consist of a well-graded, free-draining coarse sand and gravel free of organic matter and debris.
The coarse sand and gravel fill should contain less than 5 percent fines by weight relative to the
fraction passing the 3/4-inch sieve. If the fill is placed during wet weather, we recommend that
all import fill meet this free-draining criteria.
All structural fill should be compacted to at least 95 percent of its laboratory maximum
dry density as determined by the ASTM D-1557 test procedure. The fill should be placed in
horizontal lifts not exceeding 10 inches in loose thickness. Each lift must be thoroughly and
uniformly compacted.
TEMPORARY AND PERMANENT CUT SLOPES
For planning purposes, we suggest temporary cut slopes of 1H:1V(horizontal to vertical)
in the medium dense sandy soils encountered at the site. Where dense glacial till soils are
encountered, the temporary slope inclination may be steepened to 0.5H:1V. These inclinations
may have to be modified by the contractor if localized sloughing occurs. The following
guidelines should also be considered to protect temporary slopes at the site:
• No traffic, construction equipment, stockpiles or building supplies should be allowed at
the top of cut slopes within a distance of at least 10 feet from the top of the cut.
• Exposed soil along the slope should be protected from surface erosion using waterproof
tarps or visqueen.
G e o E n g i n e e r s 4 File No.2352-004-10-1130/032197
• Construction activities should be scheduled so that the length of time temporary cuts are
left open is minimized.
• Erosion control measures should be constructed as appropriate such that runoff from the
site is minimized.
• The general conditions of the slopes should be observed periodically by a geotechnical
engineer to identify potential problems.
Since the contractor has control of the construction operations, he should be made
responsible for the stability of cut slopes, as well as the safety of the excavations. All shoring
and temporary slopes must conform to applicable local, state and federal safety regulations.
We recommend permanent cut slopes in the dense glacial till be inclined no steeper than
1' H:1V. Permanent cut slopes in all other soils as well as permanent fill slopes should be
inclined no steeper than 2H:1V.
CONVENTIONAL RETAINING WALLS
Moderate cuts up to about 10 feet in height will be required along the east property
boundary. Conventional concrete retaining walls or rockeries could be constructed in this area.
Guidelines for rockery construction are provided in Vie next section. Cantilevered retaining walls
should be designed for lateral pressures based on an (active) equivalent fluid density of 35 pcf
(pounds per cubic foot) if the ground surface behind the wall is level for a distance of two times
the wall height. This value should be increased to 55 pcf for the condition where a 2H:1V
backslope is designed above the wall. Any appropriate surcharges should be added to these
lateral pressures.
The equivalent fluid density values applies to fill behind the walls that is placed and
compacted as recommended previously with the exception that the MDD (maximum dry density)
should be limited to a maximum of 92 percent to prevent overstressing the wall. It also assumes
a free-draining condition behind the wall. This can be accomplished by placing a minimum
18-inch-wide zone of sand and gravel containing less than 5 percent fines against the wall: A
drainpipe should be placed at the base of the footing to remove any water in this zone of sand
and gravel or weep holes can be used if the seepage can be routed to a suitable discharge. We
recommend that the footing drain be sloped to drain by gravity to the storm drainage system or
other suitable discharge.
The allowable passive resistance recommended in a following section"Lateral Resistance"
is also applicable to retaining wall design.
ROCKERIES
We understand that a rockery may be considered for cuts along the eastern property
boundary of the site. The primary purpose of a rockery is to protect the slope face from erosion
and ravelling, while providing limited soil retention. Rockeries can be constructed in both cut
G e o E- n g i n e e r s 5 File No.2352-004-10-1130/032197
and fill areas. Generally, in cut areas where dense native soils are exposed, rockeries may be
up to 10 feet high. Rockeries greater than 4 feet high should not be used in fill areas without a
specific geotechnical evaluation.
Rockeries should be installed by a qualified contractor experienced in rockery
construction. The construction should be monitored by a soils engineer. We recommend that
rockeries be designed and constructed in accordance with the most recent version of the rockery
guidelines prepared by the Association of Rockery Contractors. Figure 3 provides a typical
schematic of geotechnical recommendations for rockery design.
SHALLOW FOUNDATION SUPPORT
Footings supported as described previously in the "Earthwork" section of this report can
be designed for an allowable soil bearing pressure of up to 2,500 psf for dead plus long-term live
loads. This value may be increased by one-third when considering earthquake or wind loads.
All exterior footings should be founded at least 18 inches below the lowest adjacent finished
grade, while interior footings can be founded a minimum of 12 inches below top of slab. We
recommend minimum footing widths of 18 inches and 2 feet for continuous and isolated
column footings, respectively.
We estimate postconstruction foundation seqlements on the order of 1/2 inch or less for
footings designed and constructed as recommended above. We recommend that the structure be
designed to tolerate at least 1/2 inch of differential settlement between adjacent column footings
to allow for any variability in subsurface conditions. Approximately 75 percent of the settlement
is expected to occur within about two weeks of load application.
FLOOR SLAB SUPPORT
A structural fill pad at least 18 inches thick will provide satisfactory subbase support for
floor slabs. If site grades are not raised sufficiently to place the recommended fill thicknesses,
the native soils should be compacted to a minimum of 95 percent of the maximum dry density.
Where the native soils cannot be compacted to the minimum standard, they should be excavated
to allow placement of the 18-inch-thick structural fill pad.
We recommend a 4-inch-thick base course consisting of a well-graded sand and gravel
or crushed rock to provide uniform slab support. This base course layer, which will also serve
as a capillary break, should have a maximum particle size of 3/4 inch and contain less than
5 percent by weight passing a U.S. No. 200 sieve. If the fill pad is constructed during wet
weather conditions, the material specified for structural fill will provide satisfactory base course
support; however, material greater than 3/4 inch in size should be excluded.
No vapor barrier is expected to be necessary unless control of moisture in the slab area
is critical (e.g., where an adhesive is used for tiled or carpeted floors). In that case, a vapor
barrier consisting of polyethylene sheeting with bonded seams should be installed. In order to
G e o E n g i nee r s 6 File No.2352-004-10-1130/032197 .
maintain the integrity of the vapor barrier, it should be placed on a leveling course of sand (if
the underlying base course consists of crushed rock) and be covered with a layer of sand to
protect against damage by workers.
We estimate that postconstruction settlements due to areal floor loads should not exceed
about 1/2 inch. Differential settlements across the floor area should be less than 1/4 inch in
25 feet if relatively uniform areal loading conditions are maintained.
LATERAL RESISTANCE
The soil resistance available to resist lateral foundation loads is a function of the frictional
resistance which can develop on the base of the footings (and slabs-on-grade) and the passive
resistance which can develop on the face of the below-grade elements of the structure as they tend
to move into the soil. Frictional resistance may be evaluated using 0.4 for the coefficient of base
friction against footings and building slabs-on-grade.
The allowable passive resistance on the face of subgrade walls and footings may be
computed using an equivalent fluid density of 300 pcf (as a triangular distribution) if all soil
extending out from the face of the foundation element for a distance at least equal to two and one-
half times the height of the element consists of level, structural fill or medium dense native soils.
This passive resistance may be increased to 400 psf.lif the adjacent soil consists of dense glacial
till (extending out at least two and one-half times the height of the foundation element). The
above coefficient of friction and passive equivalent fluid density values include a factor of safety
of about 1.5.
PAVEMENT RECOMMENDATIONS
The pavement subgrade area should be prepared in accordance with the recommendations
for site preparation. For the most part, the native sandy soils encountered below the surficial
topsoil layer will provide suitable subbase for pavement support. Localized excavations may be
necessary where wet, silty soils are encountered. In this case, we recommend a minimum 6-inch-
thick subbase layer consisting of sand and gravel with less than 5 percent fines.
We recommend that the pavement section in automobile parking areas consist of a
minimum thickness of 2 inches of Class B asphalt concrete over a minimum thickness of 4 inches
of crushed rock. The crushed rock should be similar to Washington State Standard Specification
9-03.9(3). We do not have specific traffic count data for the proposed extension of Jefferson
Avenue Northeast for design of the pavement section. We expect fairly light traffic will utilize
the street extension (on the order of 200 to 300 vehicles per day). For this condition, we
recommend the pavement section consist of a thickness of 3 inches of Class B asphalt thickness
overlying a thickness of 6 inches of crushed rock base course.
G e o E n g i n e e r s 7 File No.2352-004-10-1130/032197
.
The crushed rock base course and subbase should both be compacted to at least
95 percent of the MDD determined in accordance with ASTM D-1557. Backfill in utility trenches
underlying paved areas should also be compacted in accordance with the recommendations for
structural fill presented in this report.
DRAINAGE CONSIDERATIONS
We recommend that the roads and parking areas be sloped to drain away from the
buildings such that surface runoff is collected and carried off the site. A perimeter footing drain
is recommended unless the floor grade is raised more than 1 foot above the existing ground
surface. Any footing or wall drains should be routed to a suitable discharge point, preferably to
a storm sewer. Roof drains should also be separately routed to a suitable discharge point and
should not be connected to any other subdrains.
LIMITATIONS
We have prepared this report for use by Catholic Community Services , Foster
Construction, and other members of the project team for use in design of this project. The report
is not intended for use by others and the information contained herein is not applicable to other
sites. The data and report should be provided to prospective contractors for their bidding or esti-
mating purposes, but our report, conclusions and interpretations should not be construed as a
warranty of the subsurface conditions.
When the design has been finalized, we recommend that we be retained to review
pertinent sections of the design drawings and specifications to see that our recommendations have
been interpreted and implemented as intended.
The scope of our services does not include services related to construction safety
precautions and our recommendations are not intended to direct the contractor's methods,
techniques, sequences or procedures, except as specifically described in our report for
consideration in design.
There are possible variations in subsurface conditions between the explorations.
Variations may also occur over time. A contingency for unanticipated conditions should be
included in the budget and schedule. Sufficient monitoring, testing and consultation by our firm
should be provided during construction to confirm that the conditions encountered are consistent
with those indicated by the explorations, to provide recommendations for design changes should
the conditions revealed during the work differ from those anticipated, and to evaluate whether
or not earthwork and foundation installation activities comply with contract plans and
specifications.
Within the limitations of scope, schedule and budget,our services have been executed
in accordance with generally accepted practices in this area at the time the report was prepared.
No other conditions, express or implied, should be understood.
G e o E n g i n e e r s 8 File No.2352-004-10-1130/032197
We appreciate this opportunity to be of service to Catholic Community Services and
Foster Construction. Please call if you have any questions or need additional information.
Respectfully submitted,
4PC. OV4,`
O WASfJf-.4 GeoEngineers, Inc.
�"�w .c Alt•I
•
0.4 .4, 29247 4,,, ww Debra C. Overbay, P.E.
�s, 01sTE idtiF Senior Engineer
NAL
EXPIRES 7/23/q, sY�
Kenneth G. Buss, P.E.
Associate
DCO:KGB:cms
Document ID: P:12352004.R
GeoEngineers 9 File No.2352-004-10-1130/032197
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•
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APPENDIX A
SUBSURFACE EXPLORATIONS AND LABORATORY TESTING
SUBSURFACE EXPLORATIONS
We explored the subsurface conditions at the project site by excavating eight test pits at
the approximate locations shown in Figure 2. Exploration locations were located by pacing from
existing site features. Elevations were interpreted from the topographic drawing "Highlands
Apartments Topographic Survey", by Pac-Tech Engineering, Inc. dated March 26, 1993.
The test pits were excavated to depths of 8 to 14.5 feet on February 7, 1997. The
explorations were continuously monitored by a geotechnical engineer from our firm who
maintained detailed logs of the excavations and obtained representative samples of the soils
encountered for further examination in our laboratory. The soils encountered were visually
classified in accordance with the system shown in Figure A-1. The logs of the explorations are
presented in Figures A-2 through A-5. The elevations indicated on the logs are based on
interpolation of the topography on the topography map provided by you. The densities noted on
the logs are based on probing the exposed soils with a 1/2-inch-diameter steel rod, the difficulty
of digging and our experience and judgment.
Observations of ground water conditions ware made as the explorations were performed.
The ground water levels observed during excavating are presented on the logs.
LABORATORY, TESTING
All soil samples obtained were brought to our laboratory for further examination.
Selected samples were tested to determine their moisture content. The results of the moisture
content tests are provided on Figure A-6.
G e o E n g i n e e r s A - 1 File No.2352-004-10-1130/032197
SOIL CLASSIFICATION SYSTEM
GROUP
MAJOR DIVISIONS SYMBOL GROUP NAME
GRAVEL CLEAN GW WELL-GRADED GRAVEL,FINE TO COARSE GRAVEL
COARSE GRAVEL
GRAINED GP POORLY-GRADED GRAVEL
SOILS More Than 50%
of Coarse Fraction GRAVEL GM SILTY GRAVEL
Retained WITH FINES
on No.4 Sieve GC CLAYEY GRAVEL
More Than 50%
Retained on SAND CLEAN SAND SW WELL-GRADED SAND, FINE TO COARSE SAND
No. 200 Sieve
SP POORLY-GRADED SAND
More Than 50%
of Coarse Fraction SAND SM SILTY SAND
Passes WITH FINES
No. 4 Sieve SC CLAYEY SAND
FINE SILT AND CLAY ML SILT
GRAINED INORGANIC
SOILS ,g CL CLAY
Liquid Limit
Less Than 50 ORGANIC OL ORGANIC SILT,ORGANIC CLAY
More Than 50% SILT AND CLAY MH SILT OF HIGH PLASTICITY, ELASTIC SILT
INORGANIC
Passes
CH CLAY OF HIGH PLASTICITY, FAT CLAY
No. 200 Sieve
Liquid Limit
50 or More ORGANIC OH ORGANIC CLAY,ORGANIC SILT
HIGHLY ORGANIC SOILS PT PEAT
NOTES: SOIL MOISTURE MODIFIERS:
1. Field classification is based on visual examination of soil Dry- Absence of moisture, dusty, dry to the touch
in general accordance with ASTM D2488-90.
Moist- Damp, but no visible water
2. Soil classification using laboratory tests is based on
ASTM D2487-90. Wet- Visible free water or saturated, usually soil is
obtained from below water table
3. Descriptions of soil density or consistency are based on
interpretation of blow count data,visual appearance of
soils, and/or test data.
•
I a`
lie SOIL CLASSIFICATION SYSTEM
W Geo NO Engineers
FIGURE A-1
LOG OF TEST PIT
DEPTH BELOW SOIL GROUP
GROUND SURFACE CLASSIFICATION
(FEET) SYMBOL DESCRIPTION
TEST PIT TP-1
Approximate ground surface elevation: 374 feet
0.0- 1.0 SM Dark brown silty fine sand with roots(loose,moist)
1.0- 5.0 SP Gray-brown fine to medium sand(loose to medium dense,moist)
5.0- 14.5 SM/SP Grayish brown silty fine to medium sand interlayered with gray-brown fine to
medium sand(dense,moist)
Grades with gravel and occasional cobbles at 13.0 feet
Test pit completed at 14.5 feet on 02/07/97
Slight ground water seepage observed at 12.0 feet
Moderate caving observed at 12.0 feet
Disturbed soil samples obtained at 1.5,3.0,5.5 and 13.5 feet
TEST PIT TP-2
Approximate grvund surface elevation: 369 feet
0.0- 1.0 SM Dark brown siltyfine to medium sand with organic matter (fine to coarse roots)
g
(loose,moist)
1.0- 10.0 SP Gray fine to medium sand with a trace of silt and occasional coarse gravel(medium
dense,moist)
Coarse roots observed at 9.5 feet
Test pit completed at 10.0 feet on 02/07/97
No ground water seepage observed
No caving observed
Disturbed soil samples obtained at 2.5 and 7.5 feet
THE DEPTHS ON THE TEST PIT LOGS,ALTHOUGH SHOWN TO 0.1 FOOT,ARE BASED ON AN AVERAGE OF
MEASUREMENTS ACROSS THE TEST PIT AND SHOULD BE CONSIDERED ACCURATE TO 0.5 FOOT.
p• LOG OF TEST PIT
Geo., Engineers
�/ FIGURE A-2
LOG OF TEST PIT
DEPTH BELOW SOIL GROUP
GROUND SURFACE CLASSIFICATION
(FEET) SYMBOL DESCRIPTION
TEST PIT TP-3
Approximate ground surface elevation: 374 feet
0.0- 1.0 SM Dark brown silty fine sand with organic matter(roots)(loose,moist)
1.0- 4.0 SP-SM Orangish brown and gray fine to medium sand with silt and occasional gravel
(medium dense,moist)
4.0- 10.0 SP Brown and gray fine to medium sand(dense,moist)
Grades with gravel and thin lenses of silty fine sand at 9.0 feet
Test pit completed at 10.0 feet on 02/07/97
No ground water seepage observed
No caving observed
Disturbed soil samples obtained at 2.0 and 9.0 feet
TEST PIT TP-4
Approximate ground surface elevation: 374 feet •
0.0- 2.0 SM Dark brown silty fine to medium sand with occasional coarse sand and gravel
(medium dense,moist)
2.0- 5.5 SM Orange and gray silty fine to medium sand with occasional gravel(medium dense,
moist)
5.5- 10.0 SP Gray fine to medium sand with gravel(medium dense to dense,moist)
Test pit completed at 10.0 feet on 02/07/97
No ground water seepage observed
No caving observed
Disturbed soil samples obtained at 1.5,3.0,4.0 and 9.0 feet
THE DEPTHS ON THE TEST PIT LOGS,ALTHOUGH SHOWN TO 0.1 FOOT,ARE BASED ON AN AVERAGE OF
MEASUREMENTS ACROSS THE TEST PIT AND SHOULD BE CONSIDERED ACCURATE TO 0.5 FOOT.
LOG OF TEST PIT
GeoIN"Engineers FIGURE A-3
LOG OF TEST PIT
DEPTH BELOW SOIL GROUP
GROUND SURFACE CLASSIFICATION
(FEET) SYMBOL DESCRIPTION
TEST PIT TP-5
Approximate ground surface elevation: 368 feet
0.0- 1.0 SM Dark brown silty fine to medium sand with a trace of organic matter(fine to coarse
roots)(loose,moist)
1.0- 5.0 SP Gray fine to medium sand with occasional gravel(medium dense,moist)
5.0- 8.0 ' SP/ML Gray fine to medium sand with occasional gravel interbedded with brown silt
(medium dense/stiff,moist)
8.0- 14.0 SP Gray fine to medium sand(dense,moist)
Test pit completed at 14.0 feet on 02/07/97
No ground water seepage observed
No caving observed
Disturbed soil samples obtained at 2.0,6.0 and 14.0 feet
TEST PIT TP-6
.ro
Approximate ground surface elevation: 367 feet
I I
0.0- 0.5 SM Dark brown silty fine sand with a trace of organic matter(loose, moist)
0.5- 6.5 SP Gray fine to medium sand with gravel(medium dense,moist)
6.5- 7.0 ML Tan silt(stiff,moist)
7.0- 8.0 SP Gray fine to medium sand with occasional gravel(dense,moist)
Test pit completed at 8.0 feet on 02/07/97
No ground water seepage observed
No caving observed
Disturbed soil samples obtained at 1.5,6.5 and 8.0 feet
II
THE DEPTHS ON THE TEST PIT LOGS,ALTHOUGH SHOWN TO 0.1 FOOT,ARE BASED ON AN AVERAGE OF
MEASUREMENTS ACROSS THE TEST PIT AND SHOULD BE CONSIDERED ACCURATE TO 0.5 FOOT.
LOG OF TEST PIT
Geo��Engineers FIGURE A-4
t 1 h LOG OF TEST PIT
DEPTH BELOW SOIL GROUP
GROUND SURFACE CLASSIFICATION •
(FEET) SYMBOL DESCRIPTION
TEST PIT TP-7
Approximate ground surface elevation: 364 feet
0.0-0.2 SM Dark brown silty fine sand with fine roots(loose,moist)
0.2- 1.0 SP Grayish brown fine to coarse sand with a trace of silt and occasional gravel(loose
to medium dense,moist)
1.0-9.0 SP Gray fine to medium sand(medium dense,moist)
Grades to dense at 5.5 feet
Test pit completed at 9.0 feet on 02/07/97
No ground water seepage observed
No caving observed
Disturbed soil samples obtained at 0.5,2.0 and 8.5 feet
TEST PIT TP-8
Approximate grikind surface elevation: 364 feet
0.0-5.0 SP Grayish brown fine to medium sand with a trace of silt(medium dense,moist)
Roots observed at 5.0 feet
5.0-6.5 SP-SM Light gray to orange fine to medium sand with silt(medium dense,moist)
6.5-8.0 SP Grayish brown fine to medium sand(dense,moist)
Test pit completed at 8.0 feet on 02/07/97
No ground water seepage observed
No caving observed
•
Disturbed soil samples obtained at 1.5,6.5 and 8.0 feet
THE DEPTHS ON THE TEST PIT LOGS,ALTHOUGH SHOWN TO 0.1 FOOT,ARE BASED ON AN AVERAGE OF
MEASUREMENTS ACROSS THE TEST PIT AND SHOULD BE CONSIDERED ACCURATE TO 0.5 FOOT.
�p1 LOG OF TEST PIT
Geoff Engineers FIGURE A-5
MOISTURE CONTENT DATA
Depth of Moisture
Test Pit Sample Soil Content
Number (feet) Classification* (%)
TP-1 1.5 SP 6
TP-2 2.5 SP 7
TP-3 2.0 SP-SM 12
TP-4 1.5 SM 16
TP-5 2.0 SP 11
TP-6 1.5 SP 11
TP-7 0.5 SP 5
TP-8 1.5 SP 10
* Refer to Test Pit Logs for Complete Soil Description
MOISTURE CONTENT DATA
Geo�0Engineers FIGURE A-6
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CITY OF RENTOH
CITY TREASURER
REG/RCPT : 02-17147 C:06-26-1997
CASHIER I➢ : N 14:36:00 A:06-26-1997
5035 PLAN CHECKING FEE $3,427.29
000.000.00.345.83.00.000000
8000 MISCELLANEOUS REV $500.00
ENVIROMENTAL REVIEW FEES
000.000.00.345.81.00.000007
8000 MISCELLANEOUS REV $1,000.00
SITE PLAN APPROVAL
000.000.00.345.81.00.000017
8000 MISCELLANEOUS REV $10.88
POSTAGE
000.000.05.519.90.42.000001
8000 MISCELLANEOUS REV $474.07
PUBLIC WORKS INSP N970265
000.000.00.343.20.00.000000
8000 MISCELLANEOUS REV $568.89
STRMWTR INSP APPR #C970265
401.000.00.343.90.00.000003
8000 MISCELLANEOUS REV $474.07
SEWER INSP APP 0C970265
401.000.00.343.90.00.000002
8000 MISCELLANEOUS REV $1,682.97
WTR INSP APPR #C970265
401.000.00.343.90.00.000001
TOTAL DUE $8.138.17
RECEIVED FROM:
ARCHDIOCESAN HOUSING AUTHORITY
CHECK $8,138.17
TOTAL TENDERED $8,138.17
CHANGE DUE $0.00
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