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TECHNICAL INFORMATION REPORT �
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Project: Renton Housing Authority �
� Glenwood Townhomes
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1 147 Glenwood Ave NE i
Renton, WA 98056
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Prepared For: Bumgardner Architects g. �' `�pp i
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21 1 1 3rd Avenue W`5' -� o
Seattle, WA 98121 � - r �
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36189 � � '
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Prepared By: Ryan ltani, PE f�NAL� �
Reviewed By: Peter Apostol, PE i
Date: September 20, 201 1 CiTVOFRE\j F �
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TABLE OF COnTENTS
Section No. Subiect Pa�e No.
SECTION I PROJECT OVERVIEW ...................................................................�-�
SECTION II CONDITIONS AND REQUIREMENTS SUMMARY...................11
SECTION III OFFSITE AtiALYSIS......................................................................14
SECT'IOi�i IV FLOW CONTROL AND WATER QUALITY
FACILITY ANALYSIS AND DESIGN..........................................19
SECTtON V CONVEYANCE SYSTEM ANALYSIS AND DESIGN................23
SECTION VI SPECIAL REPORTS AND STUDIES.............................................23
SECTION VII OTHER PERMITS ...........................................................................23
SECTION VIII EROSION AND SEDIMENT CONTROL ......................................23
SECTION IX BOND QUANTITIES AND
DECLARATION OF COVENANTS..............................................24
SECTION X OPERATiONS AND MAINTENANCE MANUAL.......................24
LIST OF FIGURES
FIGURE 1 VICINITY MAP.................................................................................4
FIGURE 2 TIR WORKSHEET............................................................................5
FIGURE 3 EXISTING SITE SOILS.....................................................................8
FIGURE 4 EXISTING LAND COVER...............................................................9
FIGURE 5 DEVELOPED LAND COVER........................................................10
FIGURE 6 OFF-SITE DRAINAGE SYSTEM...................................................17
FIGURE 7 FLOW CONTROL BMP SITE PLAN.............................................21
LIST OF APPENDICIES
APPENDIX A CNIL PLANS
APPENDIX B WATER QUALITY CALCULATIONS
APPENDIX C BACKWATER CONVEYANCE CALCULATION
APPENDIX D BOND QUANTITY CALCULATION
APPENDIX E DECLARATION OF COVENANTS
APPENDIX F OPERATION AND MAINTENANCE NIANUAL
APPENDIX G GEOTECHNICAL REPORT
SECTION I—PROJECT OVERVIEV�'
General Description:
The proposed Glenwood Townhomes Project includes the construction of two townhome
buildings on a 0.61 acre site located at 1147 Glenwood Ave NE in the City of Renton
(see Figure 1 for vicinity map). The site is bordered by developed parcels with duplexes
to the north and south, a vacanr parcel to the west, and by Glenwood Ave NE to the east.
In addition to the two proposed buildings, the improvements will include construction of
an access drive,parking lot, and walkways. Frontage improvement of the adjacent right-
of-way will include construction of new curb, gutter, and sidewalk. 1 feet of right-of-
way will be dedicated along the site's frontage. In addition,a City of Renton high
pressure 12"water main will be extended to the project.
The proposed project has been designed to meet the requirements of the 2010 City of
Renton Amendment to the 2009 King County Surface Water Design Manual (KCSWD).
A summary of the project data is provided in the TIR worksheet(see Figure 2).
Site Soils
The NRCS map(see Figure 3)of the site shows the presence of both "Arents, Alderwood
Material" and "Ragnar-Indianola"soils located within the project area. Additional
information on the site's soils is provided in a geotechnical report prepared by Soil &
Environmental Engineers, inc. The findings of the report are based on soil samples taken
from test pits that were e�:cavated on-site. In general,the results of the test pit data
uncovered about one foot of topsoil mixed with loose fill underlain by a 2-3.5 foot thick
layer of silty sand that was underlain by impermeable glacial till soil. For more
information, see the geotechnical report included in Appendix G.
Predeveloped CondiNons:
An existing duplex is located at southeastern corner of the site. The remainder to the site
consists of lawn with some trees located along the western boundary of the site. The
limits of work is located within two separate Threshold Discharge Areas which is defined
by the City of Renton Amendment to the KCSWD as; "an onsite area draining to a
single natural discharge location, or multiple natural discharge Iocations that combine
within one-quarter—mile dotivnstr•eam".
�' Threshold Discharge Area#1 (TDA#1) includes the frontage improvements and a
portion of the on-site area located adjacent to the ROW. Grades within TDA#1 are less
than 2%. Stormwater runoff drains overland to the flow line of the existing curb. The
existing flow line is sloped to the south at grades ranging from 0.5%to 1%.
Threshold Discharge Area#2 (TDA#2) includes the majority of the proposed site.
Grades within TDA#2 slope downhill to the west. Slopes within the eastern half of TDA
#2 are roughly between 2°/a and 5%. Grades within the western half of TDA#2 are
steeper at approximately 10%.
GlenK�ood Townhomes Project Page 1 Project No. 11010 '
ll47 Glenwood Ave NE Springline Design LI,C
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The existing land coverage of each TDA is presented in the table below. The existing
site is presented graphically in Figure 4 which follows this section. The downstream path
of stormwater runoff from both TDA#1 and TDA#2 is described in the offsite analysis
in Section III.
Tahle l - Eaistina Site Land Covera«e '
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TDA�1 0.000 0.019 0.000 0.004 0.063 0.086
TDA#2 0.048 0.006 0.016 0.000 0.535 0.606
Total 0.048 0.025 0.017 0.004 0.598 0.692
Developed Conditions:
The areas of proposed improvements include two townhouse buildings, an access drive,
parking lot, and walkways. Frontage improvement of the adjacent right-of-way will
include construction of new curb, gutter, sidewalk,planting strip, and a driveway. The
following table quantifies the areas of the proposed land coverage of TDA #1 and �
TDA#2. The proposed site is presented graphically in Figure 5 which follows this
section.
Table 2 - Rede��elo ed Site Land Co�eraae
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TDA#I 0.000 0.040 0.000 0.000 0.043 0.0g3
TDA#2 0.112 0.039 0.025 0.128 0.305 0.609
Tota( 0.112 0.079 0.025 0.128 0348 0.692
The existing site topography will not be dramatically altered in the proposed condition.
In general, the same areas ofthe site will continue to drain to TDA#1 and TDA#2.
As in the existing condition, runoff from TDA#1 will flow as surface flow to the curb's
flow line in Glenwood Ave NE. TDA#1 is under the thresholds which trigger the
requirement of both flow control and water quality facilities.
Stormwater runoff from TDA#2 will be collected by roof drains, catch basins, and area
drains. Per Core Requirement#4 of the City of Renton Amendment to the KCSWDM,
the proposed conveyance system will be designed to convey runoff resulting from the
peak rates resulting from the 25-year storm event. The improvements within TDA#2 are
exempt from the flow control facility requirement (see Section N for details of
Glenwood Townhomes Project Page 2 Pmject No. 11010
1147 Glenwood Ave NE Springline Design LLC
exemption)but will trigger the requirement for a water quality facility. The water quality I
facility for TDA#2 is proposed at the west end of the site and consists of a Filtena
biofiltration system. See Section N for a detailed description of the design of the water
quality facility.
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Glenwood Townhomes Project Page 3 Project No. 11010 I,
1147 Glenwood Ave NE Springline Design LLC �,
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FIGURE 1 -VICINITY MAP
Glenwood'Io�vnhomes Project Page 4 Project No. 11010
ll47 Glenwood:1ve\E Springline Design LLC
FIGURE 2
TECHNICAL INFORMATION REPORT (TIR) WORKSHEET
Part 1 PROJECT OWNER AND Part 2 PROJECT LOCATION AND
PROJECT ENGINEER DESCRIPTION
Project Owner: Renton Housing Authority Project Name :Workforce Housing Project at
Address : PO BOX 2316 Renton,WA 98056 »47 Glenwood AVE NE
Phone :425-226-1850 Location : 1147 Glenwood Ave NE, Renton,
WA 98056
Project Engineer Peter Apostol, PE
Township 23N
Company: Springline Design, LLC Range 5E
Address/Phone: 206 957 8311 .............Section 9
Part 3 TYPE OF PERMIT Part 4 OTHER REVIEWS AND PERMITS
APPLICATfON
❑ Subdivison ❑ DFW HPA ❑ Shoreline Management
r— Short Subdivision ❑ COE 404 ❑ Rockery
• Grading ❑ DOE Dam Safety ❑ Structural Vaults
• Commercial ❑ FEMA Floodplain ❑ Other
C Other ❑ COE Wetlands
Part 5 SITE COMMUNITY AND DRAINAGE BASIN
Community
Renton
Drainage Basin
East Lake Washington-Renton
Part 6 SITE CHARACTERISTICS
� River ❑ Floodplain
❑ Stream ❑ Wetlands
❑ Critical Stream Reach ❑ Seeps/Springs
❑ Depressions/Swales ❑ High Groundwater Table
❑ Lake ❑ Groundwater Recharge
❑ Steep Slopes ❑ Other
Glznw�ood To�vnhomes Ptoject Page S Project No. 11010
1147 Glzn«•ood Ave IvE Springline Design LLC
Part 7 SOILS
Soil Type Slopes Erosion Potential Erosive Velocities
Arents,Alderwood 6%to 15% Moderate
Material
Ragnar-Indianola 2%-15% Moderate
❑ Additional Sheets Attached
Part 8 DEVELOPMENT LIMITATIONS
REFERENCE LIMITATION/SITE CONSTRAINT
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❑ Additional Sheets Attached
Part 9 ESC REQUIREMENTS
MINIMUM ESC REQUIREMENTS MINIMUM ESC REQUIREMENTS
DURING CONSTRUCTION AFTER CONSTRUCTION
� Sedimentation Facilities • Stabilize Exposed Surface
• Stabilized Construction Entrance • Remove and Restore Temporary ESC Facilities
• Perimeter Runoff Control • Clean and Remove All Silt and Debris
• Clearing and Grading Restrictions • Ensure Operation of Permanent Facilities
• Cover Practices Ci Flag Limits of SAO and open space
• Construction Sequence preservation areas
❑ Other
❑ Other
Glenwood Townhomes Project Page 6 Project No. t 101O
1147 Glenwood Ave NE Springtine Design LLC
Part 10 SURFACE WATER SYSTEM
I� Grass Lined n Tank ❑ Infiltration Meth�d of Analysis
Channel KCRTS
n Vault ❑ Depression
• Pipe System Compe Mitigati
�.� Energy Qissipater ❑ Flow Dispersal on of Eliminated Site
❑ Open Channel Stora e
n Wetland n Waiver g
❑ Dry Pond N/A
n Stream U Regional
❑ Wet Pond Detention
Brief Description of System Operation: Piped conveyance to on-site detention tank.
Facility Related Site Limitations
Reference Facility Limitation
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Part 11 STRUCTURAL ANALYSIS Part 12 EASEMENTS/TRACTS I
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❑ Cast in Place Vault ❑ Drainage Easement ;
❑ Retaining Wall ❑ Access Easement i
❑ Rockery>4' High ❑ Native Growth Protection Easement I
❑ Structural on Steep Slope ❑ Tract �
� Other ❑ Other
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Part 13 SIGNATURE OF PROFESSIONAL ENGINEER
I or a civil engineer under my supervision my supervision have visited the site. Actual site
conditions as observed were incorporated into this worksheet and the attachments. To the best of
my knowledge the information provided here is accurate.
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Signed/Dafe �
Gtemvood ToHrohomes Yroject Page 7 Project No.11010
1 l4T Glenwood Ave NE Springline Design LL.0
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Glenwood Townhomes Project Paee 8 Project No. 11010
l 147 Glenwood Ave NE Springline Design LLC
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FIGURE 4 — EXISTING CONDITIONS CivilEngineering � SiteDevelopment � Trensportation
sCALE �� � 2�� 3131 Westem Avenue,Suite 501 ph 206 957 8311
Seattie,WA 98121 fax 206 957 8313
www.springlinellc.com
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FIGURE 5 — DEVELOPED CONDITIONS CivilEngineering � SiteDevelopment � Tranaportation
8CALE 1� � 2�� 3131 Westem Avenue,Suite 501 ph 206 957 8311
Seattle,WA 98121 fax 206 957 8313
www.spring I I nel Ic.com
SECTION Ii—CONDITIONS AND REQUIRENiENTS SUMl��1AR�'
The proposed project is subject to a Full Drainage Review and is therefore subject to all
eight core requirements and all six special requirements. These requirements are listed
below along with a discussion of their applicability to this project.
Core Requirements:
Req. #1 Discharge at Natural Location:
Existing discharge locations will be maintained.
Req. #2 Offsite Analvsis:
See Section III below.
Req. #3 Flow Control:
The project is required to meet the Peak Rate Flow Control Standard.
TDA#1 is under the thresholds which trigger the requirement of a flow control
facility and flow control BMPs.
TDA#2 is exempt from providing a flow control facility since it will not generate
more than a 0.1 cfs increase in the existing site condition's 100-yr peak flow.
Flow Control BMPs are required for TDA#2. The site is classified as a Large
Lot High Impervious site. As such,40% of the Targeted Effective Impervious
Surfaces must be mitigated for by a flow control BMP. This requirement will be
satisfied through the use of pervious asphalt pavement and basic dispersion.
For further details see Section N.
Rey. #4 Conveyance System:
The new conveyance system has been designed to meet this requirement. A
backwater analysis is included in Appendix C.
Req. #� Er•osion and Sediment Contf-ol:
Construction ESC systems have been designed to meet this requirement.
Glenwood Townhomes Proje.t Page 1 1 Project No. 1 1010
I 147 Glen�taod Ave NE Springline Design LLC
Req. #6 Maintej�ance and Opef-ations:
A Declaration of Covenant is required for this project and is attached in Appendix
E for review by City of Renton staff before recording. The proposed facilities
will be owned and maintained by the Renton Housin�Authority.
Req. #7 Financial Gua�-antees:
A financial guarantee «�ill be necessary for this project. Bondin��vill be required
for the construction of improvements and will be obtained prior to construction.
Req. �r8 l�Yuter Qtralih�:
The proposed improvements located within TDA #1 are under the thresholds
which trigger the requirement of a flow control facility.
The proposed improvements within TDA#2 include areas of pollution generating
impervious and pervious surfaces which trigger the requirement of a water quality
facility. Normally,the Enhanced Basic Water Quality Menu would be applicable
as it is multi-family site that is located within a Basic water quality area.
However, since the site will meet all the criteria of Exemption#4 on page 1-69 of
the KCSWDM, the requirement for a water quality facility is reduced to the Basic
Water Quality Menu. A Filterra Biofiltration System is proposed to meet the
requirements of the Basic Water Quality Menu. An adjustment request is
required for the use of the Filterra System and has been approved by the City of
Renton(see Appendix B for approved adjustment request).
For further details see Section IV.
Special Requirements:
Req. #1 Area Specifrc Requirements:
No area specific requirements are applicable to this project.
Req. #2: Floodplain/Floodway Delineation
This project is not adjacent to any floodplains or flood�vays. Therefore no
delineation is necessary.
Req. #3 Flood Protection Facilities:
'This project is not adjacent to any applicable areas and will not affect any
applicable facility.
Glemcood Townhomes Froject Page 12 Project No. t I Ol0
I147 Glenwood Ave NE Springlinz Desien LLC
Re . #4 Soi.�rce Contr�ols: 'I
9
This project is a multi-family project and will provide appropriate source controls.
Reg. #S Oil Control: II
No oil control requirements are applicable to this project
Rey. #6 Aquifer-ProtectionArea I,
The proposed project is within Zone 2 of the APA. The contractor will be
required to obtain imported fill material from a Washington Department of
Transportation approved source. There are no open flow control,water quality, or
conveyance facilities proposed that will introduce stormwater to ground water
Qiven the project soil conditions.
Gl2nwood'Townhom2s Project Page 13 Pmject No. 11010
1 l47 Glenwood Ave NE Springline Design LLC
SECTION [II —OFFSITE AnALYSIS
Task 1 —Study Area Definition and Maps
Maps of the project site and surrounding area were obtained from the King County GIS
website. Topographical site information is from the topographical survey for the project.
Storm drainage system maps were compiled from City of Renton GIS maps and as-built
plans. Aerial images were obtained from Google Earth.
Task 2—Resource Review
The City of Renton Public Works Department was contacted regarding the resources
listed in section 2.3.l.l of the 2010 City of Renton Addendun� to KCS�'VDM. The
following is a summary of the resource review:
• Adopted Basin Plans
o King County Basin Name: East Lake VVashington(per King County
iMap)
• Basin Reconnaissance Summary Reports
o None completed to our kno���led�e.
• Floodplain-�Flood�vay (FEMA) Maps
o The site is not within a floodplain or flood���ay per FEMA mapping.
• Other Offsite Analysis Reports
o Other Offsite Analysis Reports were not available.
• Environmentally Sensitive Areas Map
o There are no Environmentally Sensitive areas mapped within the vicinity
of the site.
• USDA Soils Survey
o A geotech report has been completed and site soils are primarily silty sand
that was undedain by impermeable glacial till soil
• Wetlands Inventory Maps
o There are no Wetlands mapped within the vicinity of the site.
Glenwood Townhomes Project Page 14 Project No. 11010
1147 Glenwood:1ve NE Springline Design LLC
Task 3—Field Inspection
A Level 1 downstream analysis was perfornled on the morning of June 20, 2011.
Weather conditions during the downstream analysis consisted of overcast skies and
temperatures of 55-60 degrees F. Periodic rainfall occurred in the week prior to the ,
analysis.
On-site landuse and topography was confirmed and the downstream conveyance of each
threshold discharge area was identified. Additional inforn�ation was provided by Sean
McCarty who is the Maintenance Operations Foreman at the Renton Housing Authority.
1�r. McCarty has been with the RHA for 26 years and is very familiar with the RHA
properties. He was able to confirm and help clarify questions about the downstream
conveyance described below. This section is complemented by the information found in
Figure 6 and the Off-site Analysis Drainage system Table which follow this section.
TDA#1
Runofffrom TDA#1 originates form a small portion of on-site area as well as from the
right-of-way where the proposed frontage improvements are located. Stormwater runoff
sheet flows to southern curb in Glenwood Ave NE. Drainage from TDA #1 and other
areas of the Glenwood Ave NE right-of-way flow along the curb's flow line to the south.
A low spot is located approximately 350ft downstream from the site. A concrete curb
and gutter begins at this point and continues to the south (see photo below).
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Stormwater pools at the low spot and backs up along the gutter to the south until reaching
the intersection of Glenwood Ave NE& Sunset Ln NE. Pooling also backs up to the
back of the sidewalk adjacent to the low spot and then flows onto private property to the
west. It was not clear which route occurs first as the back of sidewalk and gutter at the
intersection appear to be roughly at the same elevation.
Glemcood To+�nhomes Project Page t� Projec[No. 11010
l 147 Glenwood r\ve^IE Springline Design LLC �
Mr. McCarty indicated that there have not been any drainage problems occurring from
stormwater flowing over the back of sidewalk onto the private property to the west. He
also corifirmed that stormwater backs up along the gutter until reaching the intersection
of Glenwood Ave NE and Sunset Ln NE. From this point, stormwater drains along the
gutter of Sunset Ln NE to two catch basins located adjacent to one another at a low spot.
The catch basin lids could not be removed at the time of the field visit. According Mr.
McCarty, a piped conveyance line conveys stormwater from the catch basins to the
southwest. He mentioned that this line was plugged during a roadway widening project
of Sunset Blvd. He indicated that during large storm events pooling occurs at the low
spot in Sunset Ln NE. However he has not witnessed any occurrences of storm water
overtopping the curb.
TDA #2
Runoff from TDA#2 originates form the on-site areas. Storn�water runoff sheet flows
onto the adjacent parcel to the west which is vacant and heavily vegetated. Grades within
this parcel slope to the west at approximately 10%-15%. Sheet flow patterns persist in a
westerly direction until flowing onto Edmonds Ave NE. A piped conveyance system in
Edmonds Ave NE collects runoff from TDA#1 and conveys flows to the south. Due to
heavy traffic conditions, the piped conveyance system was not inspected. Based on
record drawings obtained from the City of Renton Department of Public Works, the piped
conveyance continues to the south in Edmonds Ave NE beyond '/4 mile downstream from
the site. No open drainage complaints are associated with the downstream conveyance of
TDA#2.
Task 4—Drainage System Description and Problem Description
There are no known problems with the downstream system.
Task 5—Mitigation of Existing or Potential Problems
Based on the observations made during the field inspection and the requirements for the
design of the proposed drainage systems, no negative impacts to the systems downstream
of TDA#1 and#2 are anticipated.
Glemrood Townhomes Project Page 16 Project No. l(Ol0
1147 Glemioc�:1ve NE Springline Desien LLC
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S�xkacE WATER DEs1GV Mn;vU��L, CoRF,I�EQ�I�R�I�,MENT#2
Basin: East Lake Washington Subbasin Name: TDA#1 &TDA#2 Subbasin Number:
Symbol Drainage Drainage Slope Distance Existing Potential Observations of field
Component Type, Component from site Problems Problems inspector, resource
Name and Size Descri tion dischar e reviewer, or resident
see map Type:sheet flow,swale, drainage basin,vegetation, % Y<ml=1,320 tt. constrictions,under capacity,ponding, tributary area,likelihood oi problem,
stream,channel,pipe, cover,depth,rype of sensitive overtopping,flooding,habitat or organlsm overflow pathways,potential impacts
pond;Size:diameter, area,volume destruction,scouring,bank sloughing,
surface area sedimentation,incision,other erosion
�.� Shellow conc,flow at flow line of wrb Runoff from TDA#1 0.5%-1.5% 0 ft•350 ft None observetl or reported None obsarvetl
� 2 Low Spot RunoH from TDA#1 0% 350}t None observed or reported Nona observed Slormwakr pool5 and flows arounC gunar at corner
(see 1.3) and over back oT sitlewalk(see t,4) �
�.3 Shallow conc.flow at flow Gne of arb RunoK Irom TpA tt1 0%-5Y 350 ri-700 ft None oDserved or reported None observed
�.4 Sheet Flow � Runolf from TDA#1 1%-10qo 350 ft• 1/4 mi None abservetl ar reported None observetl
�.5 Two Type II Catch Basin, RunoH from TDA#1 N/A 700 tt None observed or reported None observed Two CBs sitle ny sitle et low spot in gutter. UnaDle to
remove lids.
�.6 PiPed Conveyance Runott from TDA#� Unknown 700 fl-1!4 mi Per RHA foreman,pooling has None observetl Per RHA foreman,pipe has been plugged with
boen observed. No tloodinq. concrete. Unknown where plug is locatetl.
2 � Shaet Flow Runoff from TDA#2 10%-15% 0 ft-325 R Nane observed cr reported None observed
2 2 Piped Conveyance RunoH from TDA#2 3%-5% 325 ft-1/4 mi None observad or reported None obseneJ PiPed wnveyance system was wt able to be
observe0 due to heavy tratAc conditians. Observatlon
would require implementation of trattic control. Piped
conveyance and slructurea ehown on Figure 6 are
based on record drawings oblained trom the City oi
RentOn Dept of PUblic WOrks. Thlre are no drain2q6
• complaint6 assouatad with this conveyance line.
I/UOS
SECTION IV—FLOW CONTROL AND WATER QUALITY FACILITY
ANALYSIS AND DESIGN
Flow Control
The project is located in a Peak Flow Control Standard area. This standard requires that
the developed site discharge rates match the existing site conditions discharge rates for
the 2-, 10-, and 100-year return periods. The thresholds which trigger the requirement for
a flow control facility are applied separately to each threshold discharge area.
TDA #1
TDA#1 will create less than 2,000 SF of new plus replaced impervious surfaces and add
less than 35,000 SF of new pervious surfaces. TDA#1 is therefore exempt from the
requirements to provide a flow control facility and flow control BMPs (per section 12.3
of the City of Renton amendment to the KCSWDM).
TDA #2
TDA#2 is exempt from the facility requirement because the developed condition results
in no more than a 0.1 cfs increase in the existing site conditions ]00-year peak flow rate.
Per Section 1.23.1 (pg 1-34) of the KCSWDM, when the 0.1 CFS Exception is
evaluated, the target surfaces served by a flow control BMP shall be modeled in
accordance with the flow control BMP facility sizing credits in Table 1.23.C.
Accordingly, a tota14630 SF of new impervious area was modeled as 50% impervious
and 50%the KCRTS results presented below: ��I
Flow Frequency Analysis I�i
Time Series File:tda2-dev.tsf
Project Location:Sea-Tac
---Annual Peak Flow Rates--- -----Flow Frequency Analysis-------
Flow Rate Rank Time of Peak - - Peaks - - Rank Return Prob �
(CFS) (CFS) Period
0.093 5 2/09/O1 2:00 0.199 1 100.00 0.990
Flow Frequency Analysis
Time Series File:tda2 existing.ts{
Project Location:Sea-Tac
---Annual Peak Flow Rates--- -----Flow Frequency Analysis-------
Flow Rate Rank Time of Peak - - Peaks - - Rank Return Prob
(CFS) (CFS) Period v ,
0.664 4 2/09/O1 2:00 0.146 1 100.Q0 0.990
TDA#2 100-yr Developed Peak Rate=0.194 CFS
TDA#2 100-yr Existing Peak Rate=0.146 CFS
Net difference=0.048 CFS< 0.1 CFS
Glrnwood Towvhomes Project Page 19 Project No. I 1010
1147 Glenwood Ave NE Springline Design LI,C
TD�1 #2—Flow Control B:�fPs
The site is classified as a Large Lot High Impervious Site. Imp(ementation of Flow
Control BMPs is theiefore required for 40% of the site's targeted effective impervious
areas (defined as all new impervious areas). As there are 0.255 acres of new impervious
surfaces proposed in TDA#3. 0.102 acres of the new impervious surfaces are required to
be served by a Flow Control BMP. To satisfy this requirement, 3930 SF of permeable
pavement is proposed and 520 SF of roof area will be dispersed per the Basic Dispersion
requirements of Appendix C of the KCSWDM. The BMP Site plan, which follows this
section,depicts the locations of the proposed flow control BMPs.
'
Glenwood To��nhomes Project Page 20 Project No. 11010
1147 Glenwood Ave NE Sprineline Desip LLC
�'ater Quality
TDA#1
The targeted surfaces in TDA#1 are under the thresholds which trigger the requirement
of a���ater quality facility.
TDA #2
The pollution generatina surfaces within TDA #2 trigger the requirement for a water
quality facility. Normally,the Enhanced Basic Water Quality Menu would be applicable
to the site as it is a multi-family site that is located within a Basic water quality area. Per
Exemption#4 on page 1-69 (City of Renton Amendment to the KCSWDM)however, if
the follow�ina criteria is met, this requirement is reduced to the Basic Water Quality
Menu: �
a) No leachable rrietals (e.g., galvanized rnetals) are current/y used or-proposed to
be used in areas of the site exposed to the weather, ANDI
b) A covenant is recorded that prohibits fisture such trse of leachable metals of7 the
site (atse the covenant in Reference Section 8-Q), AND
c) Less than 50%of the f-unoff draining to the proposed treatrnent facilitv is fr�om
any area of the site comprised of one or both of the following land uses:
� Commercial land use tivith an expected ADT of 100 or mof-e vehicles�er
1,D00 square feet of gloss barilding area.
• Commercial land asse involved with vehicle repair, maintenance, or sales.
The project will meet the above criteria explicitly, and is therefore providing treatment of
pollution generating surfaces as outlined by the Basic Water Quality Menu. This will be
provided by a Filterra Biofiltration System which was sized using WWHM soflware
using a Filter Hydraulic Conductivity of 35.46 in/hr to infiltrate a minimum of 91%of the
influent runoff file. Results from the WWHM model and an approved adjustment request
allowing the use of the Filterra system is provided in Appendix B.
Glenwood To�enhomes Projec[ Page 22 Project No. 11010
l 147 Glenwood Ave NE Springline Design LLC
SECTION V—CONVEYANCE SYSTEM DESIGN AND ANALYSIS
The new conveyance system has been designed to meet this requirement. Stormwater
from TDA#2 will be tight-lined to a rock pad located approximately 100 ft west of the
southwestern property corner within the adjacent parcel which is also owned by the
Renton Housing Authority. The rock pad has been sized per table 4.2.2.A of the
KCSWDM. A Backwater analysis of the proposed conveyance systems is included in
Appendix C.
SECTION VI—SPECIAL REPORTS AND STUDIES I
A geotechnical analysis of the site was performed and is included in Appendix G.
SECTION VII—OTHER PERMITS
No other permits are required.
SECTION VIII—EROSION AND SEDII��IENT CONTROL
ESC Measures are being addressed as follows: ,
• Clearing Limits: Clearing limits are being delineated by perimeter silt fencin� and
chain link fencing.
• Cover Measures: Temporary cover shall be installed if an area is to remain
unworked for more than seven days during the dry season (May 1 to September
30) or for more than two consecutive working days during the wet season
(October 1 to Apri130). Any area to remain unworked for more than 30 days shall
be seeded or sodded, unless the City of Renton determines that winter weather
makes vegetation establishment infeasible.
• Perimeter Protection: Perimeter protection will be implemented by silt fencing
around the site perimeter where drainage paths require.
• Traffic Area Stabilization: A stabilized construction entrance will be built for
construction traffic.
• Sediment Retention: Catch basin protection has been provided and is shown an
the projects TESC plans.
• Surface Water Control: Surface water will be collected and conveyed via swales
with check dams as necessary.
• Dust Control: Dust control, if required,will be provided through the limited use
of water trucks.
Glenwood Townhomes Project Page 23 Project No. ll Ol0
1147 Glenwood Ave NE Springline Design LL,C
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FLOW CTRL BMP SITE PLAN ���������� ������ ���f
Civil Engineering � Site Development � Transportation
3CALE 1� � 2�� 3131 Western Avenua,Suite 501 ph 206 957 8311
Seattle,WA 98121 fax 206 957 8313
www.s p ri n g I i n e I I a co m
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SECTION IX—BOND QUANTITIES AND DECLARATION OF COVENANTS
A bond quantity worksheet for the proposed improvements is provided in Appendix D.
� There are three Declaration of Covenants which are required for the proposed project;
�� one for inspection and maintenance of proposed stormwater facilities, one for the
inspection and maintenance of the proposed Flow Control BMPs, and another for
prohibiting future use of leachable metals per the exemption#4 on page 1-65 of the City
of Renton Amendment of the 2009 KCSWDM. A draft version of these Declaration of
Covenants are provided in Appendix E for review and approval by City of Renton prior
to recording. They will be signed and notarized prior to recording
SECTION X—OPERATIONS AND MAINTENANCE MANUAL
An operation and maintenance manual which outlines required regular maintenance
necessary for the proposed stormwater facilities is provided in Appendix F. The
maintenance of the stormwater facilities will by be performed by the Renton Housing
Authority.
Glenwood Townhomes Project Page 24 Project No. I 1010
1147 Glen�c•ood Ave NE Springline Design LLC
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1147 GLENWOOD AVE NE T�WNHOMES
RENTON , WASHINGTON
GENERAL NOTES CONSTRUCTION SEOUENCE "E'�"'��
1. RLL CONSTRUCTION SHALL BE:N ACCOROWlCE WITH THE 1996 STANDARD SPEpFlU7qN$FOR ROAD,BRpGE AND YUNICIPRL t. pP.E-CONS"RUCTN)N NEEfIYG.
CONSIRUCTION PREPAREO BY MSDOT AND TI#AYERICAN 7UBUC WORKS ASSOCIATqN(APWA)./S MIENDED BY IFE CfIY OF I � c7
RENTON RIBLIC WOPo6 DEPN274ENr- Z, pp5i$ICry yATF�tUyE AND PI10NE NUTABER OF ESC SUPERY�SOR IYAY�CONSQl10AiED WfIH iHE REpINRED NOTICE OF
f
2. BE�ORE NJY CONSTRUCTqN OR�EVELOPIENT AC7M7Y,A VRECONSTRUCTqN YEEI�NC MUST�HELD BEIMEEN THE CffY OF ��N 9��� ; � : �
FEDERAL WAY.THE PPFLMANT.AND iFE APPLiGNf'S CONSTRUCTqN REPRESENfA1NE. I 1 � � pRo,lE[_"T sI7E � CB __._
w 3. FIIG OR fENCE CL.EARING/CONSIRUCTION LIBT$. � ��. .
= 3. A COPf OF THESE MPRp4Ep PIANS NUST BE ON iHE JOB SRE M'FfNEVER CONSTRUCTpN I$M PROGRESS. I � � � . �
� 4. INSfNL UTCH BASIN PROTEC7qN IF REUVf7ED. ! �
c� 4. IT SFiVl BE THE APPUCANIS/CONIRACfORS RESPONSIBIIffY TO OBtNN A11 CONSiRUCTpN FJSEAENfS NECESSARY BEFORE I � � � � I
� MITIATING OFF-5(TE WORN WRHN IF�ROAD RK]iIS OF WAY. 5. GRADE AND INSTALL CONSiRUCnON EM(WNCE(5). - � ��1 I
a 5. YfftiICA1 MTUY: qtt Of RIXTON, 1988 NAVD. 6. INSTAt1 PERNffTER PROTECTqN($ILT FENCE,BRUSH 84RRIER,EfC.). - � � ; '; i I
6- THE CONTRpC�OR SFI4l1 BE RESPON4BLE FOR PRO'v1qNG ADEpIIATE 54FEGUARDS,S4EfY OE�ICES,PFtOTECTNE EQUIPIEN�, 7. CfUOE M1D STA&LQE CONSlRUC7qN ROA�$. . � I ��
(IACCERS.AN�AM'OTHER NEE�E➢ACTIONS TO PROTECT LIfE.HFh1TM.ArD ShFF7Y OF THE PUBI.IC.AN6 TO PRDTECT ... ..... . . ..... . �Ce, �
PROPERTY RI CONI&CTpN WI1H?HE PERFORWNCE OF MORN CINERED 9Y THE COMPOCTOR.PNl'YIORK WRFiN THE & CONSIRUCT$URFACE NAIER CAN7RbL5(INTERCEPTOR pKES,PIPE S10PE�RP1NS,EfC.)4YULTMlEIX15LY IW?H CLFMING Mlp GRApH1G >
TRAVELFD RIGHT OF WAY 7W1T WT INTERRUPf NORWt TRAFFIC FLOW SFiAl1 REOURE AT LE/Sf ONE FLAf,GER FOR EACH FOR PROJECT DEVELOPIIENT. . `� I �S� �
lA1lE OF TRAFFIC�FFECTED.ML SECIqNS OF TNE WSDOT STANOARD SPECFlCATqN$1-07.23-TRAFFIC CONTROI,SW4LL �j�
MPLY. 9. WVNTAIN EROSqN CONfROI IEASIA2ES M ACCORD4NCE WfM APPENDIX D OF 7HE SURF/,CE WATER DESIGN WJIlN1 FNp
1WiUFPCTUREH'S RECOYYENOA1tONS. �
7. Nl IJIILITIES SVIALL BE A0.1USiED i0 FlNAL GRhOE. �
10. RELOCATE EROSION COH7M)L MEASURES OF2�ALL NEW MEASURES 50 TNAT AS SIIE CONp1pN$CNANGE THE EROS�ON MA - I �
SED11ffNT CONTROL IS AIWAYS IM ACC�ROPNCE M77H iHE CIIY'S EROSqN ANO SEDI4EM CONfROL STPNDARDS.
CITY OF RENTON EROSION CONTROL NOTES 11. CO�ER 11LL/�RElS RNT WILL BE UNMORKED FOR YORE iNAN SEVEN DAYS DURING THE ORY SFASON OR 7WU MVS�URiNG THE WE7
1. EEFORE P11Y CONSiRUCT10N CW��YE'_�PAIEN'ACTMtt 0!'CURS,A PRECO4STRUCTIGN MEETING NUST BE NRD Wfi}i THE CIIY ��X WIiH SfRAW,WOOD F6ER YULCH,C04POSt,PUSTIC$HEEfING OR EWNN.ENf. � 4b
OF RENT.�N�lpH?EN:WER. �
12. SUBIJZE ALL AREAS 1HAT RFACH FMIAL GRADE MTHIN SEVEN p4YS. � �,�
1
2. FLL OOr61RUCTqN 41nLL BE M ACCORDANCE wnTH TF# 1996 SfANfkRO SPEC61G11UNS fOR ROPD.BRIDCE AND 41RACIPAL 1J. SEE�OR SOD AN1'nREAS TO REW�N UNWOkKF➢FOR YOFE 7Fi�W 30 DAYS.
CO1SfRIKiION PREPNtW B'I WSDOi AND TFiE AYEPo('JV!PUBIIC WOF2N5 ASSOCN7pN(FPWA),/S A1IENOED BY 7HE CffY OF
RENiON PUBl1C WORKS DE�MAT1fNT. 14. lRp1 CONPLEIqN OF TNE PROJECT.Nl pSR1FiBED PRFAS MUST 9E$lABqJZED ANO BNPS REYOVED IF APPROPRV�TE.
3. 7HE SURFACE WATER DRNWIGE SYSTEIA SHNl BE CONSiRUCTED ACCOFDMIG TO IHE hPPRU�ED PlANS,WH�FI ARE ON FltE IN � - Y ICINI 1 1 MAP
THE%1&JC WORKS DEPMTAIEN�.kNY DENATpN FROIA THE APPROYED PLANS N1LL REQUIRE WltfllEN APPROVAL FRpM THE CIIY
OF RINTON PUBLIC WORI(S OEPARTMFNi,$URFACE WATER UTILITY SECTION. SCALE I'= 2pp'
,. �covr o�n�s�,aPawEu vu�+s wusr ee oN n�.ae sirE wri�R ca+smucnoN�s x�v�ss. CtTY OF RENTON SANfTARY SEWER NOTES
5. DANY FOR VERfMI1 Cp11ROL SH1L1 BE NORIH ANFRIGW VER71G1 D�TUY 1988 4E7ER5,AND fDR HORIZONfPI CONTROI t. ALL WORIC AND WORK WLERIp1 SH�LL BE N CCtlFCf214NCE M'lIH iHE SIANCJRDS PND SPECY�iCA�ONS OF THE q'1'OF REHTqi SURVEY INFORMATION
5litiL1 BE NORiH/�ERIfiW O�NY 1983/1991 IJETERS UIflESS OTHEKNSE APPROVED BY THE CffY OF RENTON R18LIC N'ORKS p�µ��/g�p�/p�qK yq�pEpMryp�T Aµp-HE UTESi EpTKIN OF TfE'ISDOT/PPNA SIM6�R05 ON�SPEGFICAl10N$,15 MPHOIEO AND
DEPARTYENi.REFFFtENCE BENCH4MN Ald)ELEVATqNS PRE N07ED ON THE PW6. YppF�p gy TH[CItY Of RF/lTON N THE RENfON S�MQ�V�PIAN$d S7EC�1G1110N5.A SET OF APPRONED RN5 SHHL BE NEPT ON SRE AT AlL
TMES ql�PIG CONSIRUCIION. - t. Bi1515 Of BEARMG �CKt?HIS SURVEY IS THE Cltt OF RENTOH,NAD83/91 WlSHINCTON SiATE P(pNE NORtH ZONE.
6. ALL SEDIYENTATION/EROSION FACWT�S YUST BE N OPERATIpN PRIOR TO CIfMING AND BU4DING CONSiRlIC110N,AND THEY
MUSf BE SATISfACTIX2lY 4�WfP1Nm VNIII CONSTRUCTION IS COAIPLEIED MD THE POTENiUII FOR ON-SITE EROSIDN WS 2. 7NE IIOlA25 OF WOPo(IN THE SfREFf RIGlR OF WAY SIIALL BE PER Qtt SPECFIGTqNS ON NEEKp4tS UNtf55 OiFffRMSE APPROYfD W NRfING HY 2. VERlIGL U4RM1:Cf�Y OF RENTON NAYp"88
PASSED. - THE PII1R11NG/BULpNG/PU&1C WORKS OEPMTYEIR.NI IPPROJED TRN"FIC COtrtROL PIAM MUS�BE OBfNHED PRIOR TD BEGINNNG ANY WD�L(
WIiHN PUBUC RICHf OF WAY. � - 3. BENCH N4RK N0. 1300- 3'BRtSS D6K STANPED f06.619'KNIG CWNTY SURYfY YONUMEM EN-86 1973�2.2'E/ST OF
7. Al1 REIENTqN/DETEN110N FACNJTIES WST BE MSTNIED AND M OPERATqN PRqR TO OR IN CONJUNCTION WITH ALL BACK OF WILN ON iASr SNE OF EUMONDS AYENUE NE, 136 FEET NORTH OF NE 16TH STREET. ELEV. =349.799
(pNSTRUC71pN ACTMtt UNlESS OTHERWISE APPROYED BT THE PUBIIC WORKS OEPAFiTA1EHf.SURfACE WATEF UTIfiY SECTNNi. 3. ALL LOG110N5 OF E7(ISIING UIKJ(IES SHOWN ARE APPROXW7E NID ff SIMIL BE i!f CONiRACTOR'S RESPOH56IliY TO VERFY TFIE IRUE N!p
8. GRASS SEED Y4Y BE APPLIED BP HYDROSEEDINC.IHE GRASS SEED YI%TURE,OiFfR hNN Cf1Y OF RENTON/�PPROYID COfd2EC1 LOGTION SO AS TO AYpD MYff,E OR OISR1itfl4JCE 4. TBY'A'ELEV. = 3�6.51
RNLROAD SPII(E IN 11EST FACE OF POWER POLE N0. 769,ON EAS�SIDE OF QENNOOD AVEIAIE NE„ACROSS FRO4 DUPIEX
STMUAftD 1Mf(E5.SFi4I1 BE SUBMfTTED BY A LMDSCAPE PRCHIIECT AND APPRQvEp BY THE PUBLIC W(M21C5 pEPAR7Y[Nf. �. �p��pN COtFERENLE NID A 24 1UUR lq110E SFi�l1 BE I�atARED PfEOR TO STARIRIG PEM COl47RlICT10N.If 414LL BE hE N0. it41.
SURFACE WATER U71Utt$ECTpN_
CONIRI�CTOR'S RESPON991f11'TO SECURE Al1 R£CESSUit PERY(IS PRIOR TO STMfING C01GfRUCT1(XL(N$PECTqN WA.L�ACCOMPl14kU Bi�
9. ALL%PE AND MPURIENpNLES SF14t1 BE WD ON A Pf7DPERLY PRFPAf�O FOUNDAiIOH IN ACCORQ4110E M7fH$ECTION REPRESENTATNE 0�7HE GTY Of REIRON.)ff 4NLL BE THE fAl(IWiCTOR'S RESPON9&LIIY i0 NO71FY 7HE RAUC MOFM$NSPECTOR 2/HOURS MI 5. SEE SURVEY FOR NJRE MFOp►UTqN.
7-023(1)OF THE CURRENf STATE OF WASHINGTON S�ANDMD SPECIFN/hT10N FOR ROAp ANO BRIOCE CONSTRUCT10f1 TH6 �'���Fu�NG/�LL CONSIRUCIpII
9iALL�I�IUDE NECESSPRY LEVEUNG OF THE 7RENCH BOTfOY OR 71�TOP OF THE�DUNP47K)N IIATEPoN.0.S NELL/S 5. CONfRAI.TOR IS SOIfLY RESPONSIBIE FOR TFE 4FAN5,4ETHODS AND SEpUENCES OF CONSiRUC110N tN0 FOR 7Ff S�Ef'!0�wORKERS PND OTHERS
PIOCENENi PND C04PACTION OF REWIRED BEODING WTERIA�TO UNIFORM CWNE SO TFiAT THE ENTIRE LENGTH OF THE PPE pN TFf CONSfRULT10N SIfE.
wILL BE SUPPOR7ED ON A UNIFORYLY�ENSE,UM'IELDMG fl�SE.N.L RPE BEDD�NG SFINl BE APNA CVSS'C.WffH 71iE
EXCEPTK)N OF PNC PIPE.At1 7RENCH fl4(7(FILL SiNLL BE COMPACim TO MIMIWY 95x FOR PAYE4ENT AND SfRl1CNRAL FlLL 6. R 9WL BE 7HE RESPON9Bk.RY Of THE CONIRaCTOR TO OBfAPI S�REE�USE AtA ANY OTHER FIIATED PERWIS PRpR TO ANY CONSiRUCIION.
AND 90S O7HQ2NiSE PER/ST11 0-1557-70.PEA GRAVEL BEDDNG SHN.L BE 6 INCHES OYIIt AND UlOER PJC%PE. qggREVIATIONS OONTACTS
1. PIINS MFROJEU BY THE qI'!OF REMON.PUBUC W(YM$DEPMTI4M 9i/LL TAI�PRECEDENCE OVER ALL OMER%1NS.
10. GILYNAZED 57EEL PIPE AND KUIMlIZED STEEL RPE FOR►LL DR�VNAGE F/CIUiIES SH�LL FNVE 15PFNLT TREATLIEM(1 OR .
BETTQ2 k1SDE/NO OUfSIDE. B. A COPY OF 7HESE MPRO�EU PI/l6 YUSf BE CN TFE JOB 4iE MENEVER CONS7RUCIqX 5 M PROGF4S. BM: BAG(OF Wlllc�� ONTlER �LO Ep R
11. SIF2UCTURES S4MLL NpT BE PERMITim WfiFiIN 10 FEEf OF THE SPRP�G LINE OF ANY SfORM DRAYI4GE PIPE,OR 15 FEEf g ��pn{�7pp SWlL1 PRONDE 7VE qtt OF P.ENTON WIIFI.W AS-BULT DRAW9lG Oi Ttf SANfMY SEMER SlSIDI,WHICM WS BEEN SU1Pm MA TC: TOP OF LURB RENfOH HOUSMG AUTHOk1iY SFELTER RESOURCES,INC.
FROd 7HE TOP OF M!Y pNMdEL 34NI(. EX: IXSTING 2900 1{ 10TH ST,P.O.BOX 23�6 2223 1121H AVE NE.SIMiE 104
4GI�D BY h LICFNSEO PRDfE590N�1 ENGNEER OR L1CQiSTD PROFES90H1L SURVEYOR DI: DIICTIE RON RENTON WA 98056 BEl1EWE.MU1 98004
12. ALL GTCH B7SIN CRAIE$$HN1 BE DEPRESSED D.10 FEET BELOW PAVEHENT IEVEL SD STORN�RAIN CONfACT:MhRK GROPPER CONiACT:JOEL ING
� 10. BACIffILL SfUL1 BE%ACfD EWALLY OH BOTH$IDES OF T!E PPE IN UYERS 1MTH A LOOSE M'EW1GE DEPIH OF 6 INCHES,Wi7fINUM DEPTH OF 6
� � = 13. OPET!CUT RQ4D CROSSINGS THROUfH IXKTING PUBUC RIGHT OF WAY WILL NOT BE ALLOWED W1ESS SPECIFIGLLY PPPROYEp ��S��Y TAII%NG FACH LpYER TQ 45 PERCFM OF WXIYUM DENSIIY.THESE COYPAC7FD UYEfS 4US!EXIEN�FOR OI�F PIPE D4WEfQ2 wS: wS+NITR Y SEWER TEL:(425�226-1850 TEL:(425��54-8205
ON FACH 40E OF THE PIPE OR TO 7HE 9DE Oi hE iRENCH.WTERULS TO COYPL£TE TFE FlLL OKR PIPE SFNt1 BE THE S14E AS�ESCRIBED. -
BY CIIY OF RENTON PIANNNG/BULUING/Pl18LIC NqRKS ADAlINSlRpTOR. CML ENGINEER pRCFMTECT
.. 11. OGEN CUT R0.eD CROSSNlGS FOR UiIUIY TRENCIiES ON El(ISIING T{tAYEI£p RO�DIIAY 9W1 BE BACqALO MRFi CRUSHED ROCI(MA 4ECFUtYGI1Y SPRMGUNE DESIGN LLC BWG4RDNER
- _ 14. ROCK F�t ERU90N PROTECTION OF ROADSIDE qTCNES,WHERE REIXFRED,SFl4LL BE OF SOIAIO 0114RRY ROCK PLpCm TQ A CDNPAC7ED UNLESS OiHERNbE MPROVED BY 7HE PU&1C NORKS NSPECTOR.CU1S INTO Itf IXbIING ASPIULT SFULL BE NEAiUNE Clf�WI1H SAYf IN 3131 WESTERN AVE,SUIE 501 2111 3RD AVE
DEP7H 0�ONE(1)FOOT PND YUSf YEET THE Fq1pIING SPEpFIGlTI0M5: A CONIWUDUS L�E.A TEYPoRNtf YIX PATCH YUSf BE R.1Cm YWEp4lTE1Y AFTER&C1611/JID COWACIIIXL A PERWNENf FqT NX PATCH SIW1 SFATTLE.'MA 98121 SEAT7IE,WA 98121
� 4-8 H1p1 R�CK/W-70S PASS7NG: BE PLACm MZiFIN 10 M15 AND SFULL 8E PER ptt OF REN�qI QAif�Nf SfAIU�RDS.
CONTACT:PETER APOSTO� CONfACT:WY PECIo-WI
^ 2-4 MCH ROCK/30-40S PASSNC:AM TEL:(206)957-8.711 TEL:(206)223-1361
- LESS�HAN 2 MCH ROCK/10-20S P0.SSRIG. 12. DANM 5}Nt1 BE CIIY Of REMfON,1986 H4YD. FNC(206)957-8313
� 15. ALL BUILD�NC DOWNSPOUfS AND�OOTNG DRNNS SMLL BE COfNECTED TO 7HE STORAI DRNNDGE Sl'STEY,UNLESS/�VPROVE� 1J. ALL pSTURBED MFilS SW1LL BE SEEDED N!D YULQim OR OTHERWISE STA&LIZm TO TIE SATSFACIION OF 71iE DEPhRIMENt FOR 7HE PREVENTpN CIVIL SFiEET INDEX � EWNGBOE LANOSCAPE D6K�1
� BY 7F�pIY PLNd REVIEN'ER OR SURFACE WATER UTILIiV$ECf10fJ.PN ACCUItATELY 014ENSqt&D,CEKfIFED/S-BULT DRAWMG 0�ON-SIIE EROSION/FTER THE COMPLEIION 0�CONSIRUCIqN. SIGNATURE SURVEYiNC AND Et4PPINC 509 N 117fH Si
: OF THIS pRNNpGE SYSTEN WA1 BE SUBWTTEp TO THE Cftt UPON COAIPLE110N. - . CI-C2 CNY NOTES PLLC �AT7LE.WA 98133
� 11. ALL HPE MID AP%1RIENAHCES SFWl BE IAp CMl A PROPERLY PREPARED FWNp1TqN N ACOORDANCE WIIFI THE STMDFRDS MID SYECIFlGTIDNS OF � �� 15541 26TH A1�E NE CONTACT:JW EWNCBOE
- G PAYING�wD GRADING PtAN
� 1G RSUMlCE OF 7HE BU�LDMG OR CONSIHUCTION PQ2WfS BY THE C(IY�RINfON DOES N0T RFIJEVE TFIE ONNER OF THE TIE CffY 0�REMON PIAN�NG/BU0.DNG/PU&�WORI(5 DEPART1kNf MW IHE WESf EDI110N OF THE NSDOT/APMA SfMAIRDS AND SPECIiX'ATUNS. CS UTILftY P(AN SFqREUNE.MA 98155 TEL:(206)331-2342
- COMINUpC LEGLL OBLIGA7pN Mm/OR LNB0.fIY COMJECTED WffH STIX2N SURfACE MATER DSPOSI110N.Fl1RTHER.TFE GTY OF /S APPROYED NA YOOFIm B�'hE CfIY 0�RENfOM NI 7HE RENfON SUNCLIFD PlANS 8 SPECffIGTqNS TFNS 9ihLL 1NCLUCE NECESSIR!LEVELMC C6 FRONfIGE MPROVEYENfS CONTACT:PAYNIA LYNN S4GER
_ RENTON DOES N0T ACCFPi M1Y OBLIGRTION FOR THE PROPER fUNCT10NNG tND W9JIEW�NLE OF THE SSfEM PROJIDm OF iFIE IREHCH BOR04 OR IHE TOP OF THE FDUNMTION�WEIML.AS WE11 IS PlACE1�N�NID COIPAC➢ON OF REIXARED BEDDING HUERU�L.TO Cl-C9 WATER W�9�IXIENSION TEL:(2D6)947-4975 �
DUPoNG CONSTRUCT�N. UMFORY GWUE SD TIW 7HE ENIIRE LENG7H OF THE RPE MLL BE$UPPORIED ON A tMFORYIY OE16E.UNYIEIDING B�SE.PIPE BEDpNG SFiK1 BE Ct�C15 CNL DE7MS FA%:(206)364-3032 AE.S..MC.
_ PFA CRWEL 6 RlCVfS ABOVE AND BELOI TFE RPE 192 NCNERSON$f.SUITE J06
= 17. TFiE COMRAC�OR SVHl1 BE R6PON4BLE FOR PFiOMpNG ADEQU4TE 54FEGUARD,SI�FETY DEYICES,PFtOlECi1VE EWIPYIXf, SEATTLE,WA 98709
. _ FIAGGERS.IND ANY OTHER NEEDED ACTK7NS TO PROTECT THE L1FF.HEALiH.MD ShFEIY OF THE PUBLIC.AND TO 7ROlECT 15. SMATMt SE'MER RPE 4UiLL�POtYNNtL(]i0Po0E(PVC)RUB�R G�14(ETm ASIM D J014�SOR S.OR IX1CIIl£tttON CLASS 50.UNLESS Qj CON�ACT: BUD REICWJ7D
. � PROPERiY U�!CONNECTION YIfTH THE PERFORW�NCE 0�M'ORK COVERED BY 7FIE COMHhCT.ANY WORI(IYI7HM TFE TRA�ELEO O7FiFAWISE APPROVID Bf THE WASTEWAIER URIfY. - TEL(206)282-63W
= RIGHT OF WAY THAT AIAY INTERRUPT NORIIAL TRAFFIC FlOW SHALL REOUIRE A TRAFFIC CONIROL RAN APPR04E BY TNE PUBIIC
- WORKS DfPAR7MEN7,TRMlSPORIATION SYSiE11S DMSION.ALL SECTIONS OF THE WSOOf STANDARO SPECIf�G1710NS 1-07-2J
TRAFFK CONIROI 9MLL MPLY.
: - 18. SPECWL DRNW�GE 1EASURES WILL BE REOURED I�TFIE PROJECT LOGTION 5 wITFnN THE AOUIFFR PROiECTK1N AREA(APA).
_ �C4'4��dAp��yT .
w o , �� � �,9„ "" ,-_,o• �� CITY OF
` CA� 48 HOURS springline design ��� a ' r �� '�°"��" � GLENWOOD TOWNHOMES ��19���
BEFORE YOU DIG� `�'"E"�,�i�a��°°„"",T"„°°`m"�'
-� RENTON
_ 1-800-424-5.555 37I1 Wesbn A�arue.Su11e 501 �`� �
-;� �,�,�,�,,, e � �� �^T�M CIVIL NOTES
� P�onn�ng/Bu;lding/Pubfic Works Dept. C'�
SeatlM.WA98121 fmt 20fi%7837� �Q/���
NO. REVISION BY DATE APPR sm:� .�S
WATER GENERAL NOTES CITY OF RENTON SURFACE WATER DRAINAGE NOTES
i. Nl NURK NATERIAL SHAt1 9E IN CONfORA1RNCE Po7H TNE STANDARDS AND SPECIFlCATIONS OF THE pTl'Cf REN?ON 17. �PIGS�SHALL BE CYLNDER SFtAPED iNTH&1LLET N05E p2 SOUARE END.THE CONTRACTOR 1Nt1 PERFORY THE CLEANING OPERATION. t. BffORE 0.N"C�NSTRL'CTION nF OEYT_LOP4ENT ACTMtt OCCUP.S,P PRECGNS"RUCT�pN IAE�TING AIUST BE HELD WI'H THE CI'Y OF RENTON,PUBLIC
PLANNING/&11LDMlG/PUBLIC WORKS DEPAR?A�ENT AND THE LAIEST EqTIpJ OF iHE M90T/APWA STMAARDS AND SPECIFlCAiIONS,A$ WORKS DESIGN ENGWEER. .
APPROVED AND NODIFlE�BY THE GTV OF RENTON NI 7Fff RENTON STANDARD PLANS&SPECIFlCATIONS.A$Ei OF APPRO�£D PLANS 18. ALL MATERYAINS AND SERVICES SHALL BE PRESSI%2E TE�iED TO A YINIAIUM OF 200 Py pft 150 P9 O�ER OPERATING PRESSURE.M
SHALL BE KEPT ON 4TE Ai ALL TIMES DUP.ING CONSTRUC710H. ACCORDANCE MIIH 7HE SPEpFICATIONS OF iHE qtt OF i?ENTON ANO THE WASHINGTON$iATE HEALTH OEPMTMENT.ALL PRESSURE 2_ /,LL LIYIT$OF CLFAPoNG AND AflFAS OF YEGETATKIN PRESEfNATpN ti5 PRESCPoBED ON THE PINJ(5)$HN.L BE CLEN2LY MGGED IN THE FlELD MA
� IESTNC SFiALL BE DONE IN 7HE PRESENCE OF A REPRES=NTATI�E Of THE qTY OF RENTON_THE WANIITY OF WA1ER LDST FROA1 7HE OBSERVED WRING CONSTf2�J�lOH.
2. THE HOURS OF YR7Po(iN 1FfE STREET PoCNT OF WAY SHAtl BE LIMIIID TO 8:30 MI TD 3:30 PW ON WEIXDAYS UlAESS OTHERNtSE MAIN 91ALL NOT E%CEE�THE NVA18Q2 OF GALLONS PER MIX1R AS t1S1ED IN CIT7 pF RENiON$TANDARD%.ANS h SPECIFlCATIONS
APPRO�ED IN Nfi71NG BY THE PUBLIC WORKS DEPARTI�NT AT{425)430-7301.7HE PqJCE UEPARTHENT,FlRE DEPAR7AIENT,AND 911 7-11.3(11).THE LOSS IN PRESSURE SHALL NOT EXCEED`PSI DJPoNG THE 2 FKKIR TEST PERIOD. 7. ALL REpIpRED SEOINENTATICNjEROSqN CONTROL FACILITIES AIUSi BE CONSiRUCTEO AN�Ml OPERATqN PRIOR TO IAND CIFMING MJD/OR
SHALL BE NOTIFim 24 HOURS IN ADYANCE 0�IUdY NCJRK IN 1HE PofliT OF WAY. CONSTRUCTipN TO ENSURE?MAT SEDIAIENT UDEN WATER OOES NOT ENTER TF�NAiURAL DRAINAGE SYSTEN.Wl EROSION PNO$EDIIIEM FACILRIES
� 19. ALL WATERMNNS AND SERVICES 91ALL BE DISMFECiED BY TF1E W.ECTION OF A 5D PPY(M�NIYUAI CONCENTRATION)CMLORINE/1MAlER $W�LL BE AWNTAINED IN A$A115FACTqZY COND�T�ON UM1L SUCH TINE 7F1AT QFMWG ANp/OR CONSTRUCTION IS CGMPLEIE AND POTENINL FOFt
z 3. ALL LOCAl10N5 OF FXIS7ING UMITIES SHOVR!ARE APPROXBJAIE Mq IT 91ALL BE THE CINI7RACTORS RESPOF1561UTY TO YERFY 7HE SOLU710N.DRY CALCIUII HIPOCFiLORITE S}iAt1 NOT BE PLACED N 7FtE PIPE AS LA�.CHLOR�NE$HRLL BE NETERED/INEC7ED IN ON-$fiE EROSION FitS PASSED.THE 11fPt£UENTATpN,AWNTEN4NCE,REPI/uCEMENT ANp AppfllpN$TO EROSION/SEqMENTATION CON�ROI SYSTENS
TRUE AND CORRECT IOCAMIN SO AS TO AYOID DAYAGE OR DISNRBANCE.FOR UTILIT7 LOCAlES CALL d8-HOUR LOCATORS ACCORDANCE Ni7H SECTION 7-11.J(12�OR 7-11.3(12�0�THE STANDARD SPEqFlCA710NS REFERENCED ABGYE. SIiALL BE 7}iE RESPON5191LI1Y aF THE PERMIiEE.
� 800-�24-5555.
0 4. AN APPROVED iRMIC CONIROL PLAN IS REW�RED TO BE SUBA11T7ED AT 1HE�RE-CONSTRUC710N MEEIAJG. 20- A PRE-CONS7RUC710N CONFERENCE i5 REOIIIRED PRIOR TO ANY CONSIRUCTION.A MINIAIUH OF FI'vE(5}WpMING�AtS NOPCE IS 1. THE EROSqN AND SEDINENTATION CONIROL S'STEl1S DEPICTED ON TtiIS�RAWINC FftE NIENpED TO BE YNIIIUAI REpUIREIIENTS TO NEEf ANIICIPATED
� REIXHRED FOR SGiEDWNG. 9TE COWITIONS.AS CONSiRUCdON PRpGR��5E5 AND UNEXPECTED OR SEASONM.CON6RpN5 DIC'ATE,THE PERM(TEE SFVil.L MIfICIPATE THAT 11pRE
a 5. DANY FO(t VERTICAL CONTROI SHALL BE NORTH NIERICAN YIIt1ICAL DAIINI 1988 11ETER5,AND FOR HORIZONTAL CON7R(Il SFIALL ff EROS�ON ANU SE�IMENlATqN CCMROt FACIUTIE$MILL BE NECESSARY TO ENSURE COMPLE7E SILTATqN CONiROL ON THE PROPOSED SIiE. WPoNG
NORTH ANEPoCPN DANM 1983 1997 METERS U1AE55 O7HERMIg APPROVED BY 1FIE QTY OF RENT�1 PUBUC WORNS OEPART4ENT. 2�. T'NEN1Y-FWR(24)HOURS NOTICE MILL�REQI}q�p PPoOR TO STARTING NEW CONSTRUC710N. THE COURSE�F CONSTRUCTION.R SHALL BE TkE OBLICATpN/AD RESPONSIBILIIY pF THE PERYfTEE TO ADDRESS ANY NEW CON�ITIONS TFWT MAY
� BE CREATED BY THE ACTNRIES ANO TO PROYIOE ADDITIONAL FACIUIIES,O�ER PND ABOYE WN111U11 REQUIREAIENTS,AS A1AY BE NEmED,i0 PROTEC�
REFERENCE BENCHYARI(AND EIEVATI0N5 ARE NOIED ON THE PLANS 22. IT$HALI BE THE CONTRACTqRS RESPON98AJTY TO SECURE AlL NECESS/RY PER41T$PRIOR TO STARTWG CONSiRUC710N. AUTACEH!PROPERTIES aVD N'ATER WAl1iV OF THE RECEMNG DRAINAGE SYSTE4.
6. ALL WAIERNAH PIPE IS 16 BE CEHENT LMED WCTILE IRON PIPE CONFORA�WG TO AWWA C110 AND C111 OR IATEST REVf90N, 23. INSTALUITqN OF CORPORATE STOPS,WATER SERNCf$,Lk�ES AND NETEFS 9iALL NOT BE DONE UNII�ALL SERNCE AGREENENTS,METER 5. APPROVAL OF THIS PIAN IS fOR EROSION/SEp1KNTATqN CONiROL ONIY.fi DOES NOT CONSf11UlE AN MPROVAL OF SfOR11 ORAINA(',E DESICN,SIZE
Tldp(l�SS 0.ASS 52.CEMENT MIXiTAR LINNG AND SEAL COA7ING SHALL CONFDR4 TO AWWA C104 OR LAlEST REN90N.RPE,qINT$t0 ppp���p�pH$.�S�UCIION PERYITS,AND PATIIENT OF FEES HA�E BEEN YADE TO IHE qtt OF RENTON. NOR LOCATqN Of PIPES,RESTRICTORS,CHANNELS.OR RETEMION FACllfilES.
BE PUSIi-ON OR 11ECHANICAL JOINi.BEOD►dC TO�q.ASS C.ALL DUCTRE IRON PIPE AND FlTTWCS 9iALL BE POLYEIHYLENE MRMPED
PER IW4/AWWA C10.5/A21.5-93 SiA1�ARDS 2F. ALL CONNEC110N TO E105TMC YAINS I$TO BE ACC04%J91ED BY IHE CITY OF RENTON,E%CEPT WEi TAPS,NRpCH MAY BE YADE 6Y 6. IXIRINC THE TIIAE PERIOD OF OCTOBER IST THROUGH MRIL JO7H,ALL PRO,IECT DSTRIBUIED SqL MFJS GREATER TFIMI 5,000 SOUME FEET,TH4T
APPROYED WET TAP CONTRACTORS YA7H Pft10R APPROYAL�ROY TNE PUBUC Nl7(t1C5 DEPAR711ENT.N1 NECESSARY E%CAVATION AND ARE TO BE LEFf UN-WORKm FOR AIqiE TFW1 12 ViOURS,SIiP1L BE COVERE➢BY MUICH,SODqNG QR PtAS�fIC COMERING.
I. CAST IRON NW qIC711.E a20N FIT74JCS SHALL BE CEIJENT UHED,PRESSURE RATED AS NOTED ON PLANS,MO IN ACCORDANCE YATH IJAlER1AL5 ARE TO BE SUPPUE�BY 7HE CONiRACTp2 A�N BE ON-SI1E PRICR TO qTY NOTIFlCATIONS.
ANSI/AN'WA C110/A21.10-87.CEIIENT LRlNG$HALL BE IN ACCOR�ANCE NITH PNSI/AW1YA C104/421�4-9Q.F FITTINGS ARE 3 TO 12 7. tN ANl'MFA WHICH HA$BEEN SIRIPPm OF 4EGETA7IUN AN6 WHERE NO FUR7HER WORK IS hN11C�PATE�FOR A PERpD JO�A15 OR YORE,ALL
INCHES M�IANEiER AND HA4E NECHANICAL JpNTS,7HE FlTTM�C$SHALL IN ACCORLANCE Mihl E�hiER AN9/AWMA C710-A27.10-87 OR 25. INSPEC�ON MILI BE ACC0IPUSFfED BY A P.EPRESENTATIIF OF THE GT'f OF REMTON.IT SHALL BE THE CON7RACTORS RESPON9BILITY TO q5TUR8E�AREAS MUST BE INMNI4TELY 5lABILIZED Wf�H YULCHNG,CRASS PIANIING OR OTHER APPROVED ERCSiIXJ COf1TROL TREATIAENT
AN51/AWWA CI53/A21.53-94.THREE(3)WCli TO 12 B�ICF1 DIAMETER Fl7TINGS,YMICH HAYE YECHANICAL JpNTS M10/IXt FLANGED NO11FY DEY£LOPMENT SERVICE$7MfNTY FWR(24)NWRS N ADYANCE OF BACKFlIUNG ALL CONSTRUCTION.7HE CONTRACTOR,AS NfLL APPUG181.E TO iHE i111E OF YEAR.GRASS SEEUMG PLONE W0.1 ff ACCEPTABIE ONLY DUR�NG THE MONTHS OF APRII THROUGH SEPTE48ER,
JpNTS,9iALL BE N ACCOROANCE Mi7H AN9/AWNA C110/A21.10.87 OR A CONBNATI(Ml OF AN9/AWWA C110/A2110.87 AND � AS 7HE ENGINEERS,$HN.L KEEP AS-BUIIT IXiA1NNCS MCLUSNE-SEE�ING MAY PROCEED,HOWEVER,N'HENEYER IT 5 IN THE INTERES�OF THE PER4fiEE,BIJ�MUST 8E AUGAIEN7ED WRH AIULCHING,
WJSI/AWWA C153/A21.53-94 SUCH THAT THE PORTION OF 7HE FITi1NG'M7VI A MECNMI�CAL JOINT(S)NAY BE SNTH ANSI/AWWA NE7iINC OR OTHER 7REATIEM MPROVEO BY THE CfIY OF RENTON,OU79DE TNE SPECiFiED TI11E PER100.
C15.7/A21.53-94 AND THAT PORTION OF THE FlTTING WITH FtANGED JOINT(S)SHAIL BE M ACCOROANCE M1TH A'MNA C710/A21.10-87.� z6. CONTRACTOR TO PRONDE PLUCS AND TEYPIXtARY BIOri-OfF ASSEMBUE$FOR IESTINC AN�PURITY ACCEPTANCE PPoOR TO FlNAL
ACCEPTMJCE TESTING IN ACCOROANCE NI1H SEL710N 53_53 OF AN9/AWYIA SfCT10N to-4.3 OF AN9/AWWA C110/A21.10-67 SHALL BE �-�N' 8. FOR ALL EROSION/SED�YENTA7ICN CANTROL PONDS WHERE THE DFM STORAGE UEPTH EIfCEEDS 6 MICHES,A FENCE IS REOINRED WffFl A MINIYUM
OBTAINED BY TFiE CON7RACTOR M1D iRANAlIT1ED TO 7Fff OWNER. - H�GH!OF THREE(3)FEET,3:1 SIDE SLOPES.
27. ALL JqNT RESTRAMT$YSTEAI$(SHACKLE RODS,NU7S,BOLTS,ETC_J$HALL BE AS AIANUFACNRED BY THE$TM 11NJUFAC7URING
8- GAIE VALKS SIiALL 9E IRON BODY,BRONZED-MOUNTED,DOUBLf DISC N7TH BRONZE MEDqNG DEwCE ANO 0-RMG S7UFFMG BOX C04PPNY OF C0.UAiBUS OHIO,IX2 EWAL,PPPROVED IN MRITING BY THE PI,6LIC NCRKS DEPARTAIENT. 9. A TEMPoRPRY GRAVEL CONSTRUCTKKJ ENTRNJCE,24 FEE7 X 50 FEET% B INCHES OF 4 Tp fi!NCH GUAf?RY SPPLLS SI-W.L BE Ld'„AiEO AT ALL
(AWWA C500)OR OF RESIUENT SEATED TYPE(AWNA C509).VAL1£5 SHALL BE DESI(?ED FOR A 111NIAIUIJ WAIER OPERATING PRESSURE - P01N1S OF YENICUTAR INGR�SS AND EGRESS TO THE CONSIRUCTION SI7E.
OF 200 PSI.Ch7E YALVES SHALI BE QOW LIST 14,IIUELLER COAIPANY N0.A2380 OR M 8 H. 28. ASPHALT AND CONCRETE SiRFET PANNG SHN.L BE$AWCUT TO A NWIMUAI DEP7H OF TNO(2�NCHES,qL MAT$TREETS AIAY BE$PADE
CUT.ALL SURFACE WNCRETE,PAVFMENT,4DEWALKS,Q.'R8,WT'ERS,AND DRIVEWAY APPROAGiES 91ALL BE SAWLUT TO A UINIYUM
9. FGtE HYDRANTS 91ALL BE COREY TYPE(OPENING W7H 7HE PRESSIIREJ OF2 CpIPRES90N IYPE(OPENING AGAINST%2ESSURE) �PT��T'��Z)WCHES IXi RENOVED TO AN EXISiING ExPAN40N.1(NNT_ U�LI 1 1 SER Y/CE NO�S
CONFOR4HG TO AWWA C-502-&5 M1H A 6 INCH IIECHANICAL JOINT INLET AND A NAM VALYE OPENMC(Y.Y.O.)OF 5-1/4 INCH,TYq 29 A�p��Y COID II�X ASPHALT PATCH SHALL BE PIACED ON 7HE DAY OF N11AL IXCAYAiWN NiIH A PERMANENT,gALED PATCH TO
2-t/2 INCH HOSE NOZZIES N1TH NAl10NAL STANOARD 1HREADS 7-t/2 1}IREADS PER Npl AND ONE 4 WCH PUMPER NOZZIf NI7H 7HE gE p�qCEp TO CITY OF RENTON POUC7,1MTHIN 10 DAYS.CALL FOR Sl1BGRA�E MISPECTION PPoOR TO PL.ACEAIENT OF FlNAL PAiCH. 1. COORqN47E BIDC.$YSTEM CORNECTION LOCATiGNS ANO INYERT ELEVATIONS M7TH PIUMBING CONTRACTOFt. VERIFY TH4T 7HERE ARE NO CONFUCT$
NEIY SEATiLE PAT7ERN 6 TFN2EAD5 PER NCH,60 DEGREES V.THREADS OUTSIOE DIAYETER 0�11ALE THRF,ID I.875 AND ROOT WfTH PRpPOSm SlS�EMS M1D JTHER IJ�IUTIES.
DIAAIEIER 4.6263.HYDRANT$$HALL HAVE A 7-t/4 Nrq1 PENTAGON OPEF2A71NG M1T OPENED BY NRNMG CWNiER CLOCKMSE(LEFTJ. 3p, FOR CITY PRO,ECTS SUCH AS TELEAIETRY CONWIT,1HE PVC RPE USED SHALL BE hLl CHEYICAL PROCESS LINES 5}fALL BE SCHEWLE
80 PYC PPE.SCHEDULE 40 IN UNt11PROVED AREAS Ml�SCHEDUIE 80 PVC NPE UNDER IAPROVED AREAS 2. COORDIN4IF�NSTALtpTION OF NFIY WATFR VillfilES XTIH CIiY OF RENTON.
10. 7HE TWO 2-1/2 INCH HOSE NOZZLES SHALL BE FlTTED M7H CAST IRON THREADED CAPS MITH OPERA7ING NUT OF 1HE SANE DESIGN
AND PROPORl10NS AS THE HYDRANT STE11 NUT.CAP$4iP1L BE FlTfED M7N SUITABLE NEOPRENE GASKE75 FOR POSITI�£WAIER 3. DESK'.N 8UIL0 FRE SPPoNI(LER CONTRACTOR SHALL VERFY SIZE Of FlRE METER,LINE SIZE,PN�fDC LWE SIZES PRIOR TO CANS7RUC110N.
TICHTNESS UNOQt iEST PRESSURES
_ 4. STATF OF WASHtt�GTON l£VEL III FlRE PROTECTpN SPRMKLER CONIRhCTOR$F44LL DESKi!AND PREPARE THE UNDERCROUNO SU&IITTAL ORAN7NC5
Ii. TFff 4 INCH PUYPER NOZZLE SHALL BE FlTTED W7H A STORZ ADAPIER.4 INCH SEATTLE THREAD X 5 INCH SlORZ STORZ ADFPTER PER THE STATE Of WA4NNGTON WAC 212-60-643(9).
SFIALL BE FORGED AND/IXt EXTRUCm 6Q61-T6 ALUMINUAI ALLOY,HMDCOAT ANOOIZED.7HREA�ED E?70 PORTION SHALL HAVE NO LUGS
AND 7WD SET SCREMS 180 DEGREES MART.$TOR2 FACE TO BE YETA4 NO GASKET TO NEAIFER.STOftZ CAP TO HAVE STN7HE71C 5. A SrATE OF WASHII�TON LEVEL U UNDERGROUND CONIRACfOR S}Wl PERFORAI THE INSTNIATION OF THE UNOERGROUND FlRE SEfNICE PIPING PER
MOIDED RUBBER GASKET,AND S31ALL 8E ATTACHED TO HYDRANT ADAPTER YIITH t/6 Npl,COAIED,STApAESS S7EEL NRCRAFT CABLE. THE STATE OF WtSHINGTON WAC�212-80-043(2).
�2 FlRE HYq2AN75 SHALL BE PNN7ED WITH TNO CO0.TS OF PNNT.PRESERVAiIVE PAINT I�IMBER 43-655 SAFETY YELLOW OR MPROVED
EWAL
13. PUMPER CONNEC71(Mi TO FACE ROADMAY ASSEYBLY.
1!. FIRE HYORANIS SHALL BE INSTPILED PER CITY OF RENTCN STANDARD DETA�fOR FlRE HYDRANTS,UTEST RENSION.
15. KL WATERIJAINS 10 NCIffS AND SGALLfR TO AIAWTAN A IAWIMUII COVER OF 36 INCHES BELOW FlNISH qtAUE.ALL WAIERYAW 12
INLffS AND LARGER SliALL BE Ai A YINIWII OF�8 IXCHE$BELOW FNUSH GRADE WFiERE U7HJTY CO�L�TS OCCUR WAIERMAINS ARE
tp BE LONERED TO CLEAR.
16. ALL WATERAIAIN$6 MCHE$AND LARGER�N DIA41ElER 91ALL BE CLEMlED MITH PIPE CLEANINC'PIGS'P(dOR TO q51NFECT10N.THE
�POIY%G5 SHALL�QRARO INDUSiPoE$AWA$WAB-A$OR APPROVED EWAI,2 LB/QI.FT.OENSITY FOAY WIIH 90A DURpAEIER
URETHAl�RUBBER COA7IHG ON THE REAR OF�PIG�ONLY.
µ Ap
_ �q,`�' t �es o�yT
1 VQE�f IEN9RlS 9d 09/19/11 '
CALL 48 HOURS S�31'iC1�IlC1@ CI(.'SI�(1 ��e c` �. � �� � i•=io' "°°�"""�""�' �� ,.} CITY OF os/�s/ii
BEFORE YOU DIGI ��Engnee�ng�Sae Devebpm�vn�hansportaDm °�°'� ^° � G LE N W 00 D TO W N HO M ES
� �, � ����� RENTON
_.. 1-8QQ-L}'2C�-�rj' 3137 WeslemA`enue,Suib501 ph 2o6957s3tt �,�� � nru�iao.e 1 �NN Plonning/Building/Public Works oe,�. CIVIL NOTES
:�� Seallb,WA 98721 6z 2089578313 IQ��F�� . ��y ���
..` NO_ REYlSION BY DATE APPR
�2 �15
CITY OF RENTON
( I
; 1'
� � : Q ST0.. 9+79J9, 4.37' L �� MATCH�E . APPROVED BY: DATE:
"�; 1- 12� 45' H�RIZONTAL "�j{ ,�EE S{-�E�
� ' RESTORE EX. PAVEkENT BEND �A�J� ) ` � 9 .���� APPROVEDBV: DATE:
� ' ' IN ACCORDANCE WITH �- �RUST BLOCK ' i_; bs+' -td �
- .. ____ '____ 4 r �� "s APPROVED 6Y: DATE:
'' -._. STA 7+3D 27 L CITY-0F RENTON C13 Z� LF 12" W DI CL 52 s �
' FIRE HYDRANT ASSEMBLY REQl71REMENTS
48 LF 12 W DI CL S2 � �''�' � ;• :; > � i ; -
'a's ' �� � $TA 9+5�, 13.JS� � - 1.,. � ' APPFOVED BY: DATE:
. � � � � �%,. STA 7+30 B` �', t /��.....-
;, -1 �_ • ; ' EX 6 WATER TO 1 12" GATE VAIVE (AIJ)
„ � _ 1 12 x6� TEE (MJxFL) REM�1N ACTNE � 1'
STA 6+82 74�$' L � j s :�: �6 GATE VALVE (FLxMJ) = , +�
SEE $HEfT C7 �', � '� ''• ;' 1- THRUST BLOCK � , 38 LF 12' W �I CL 52 �` � � �
; , _,_. t74;LE_l2' Y1�1_L_52... =- /
... ...._.__ .. . r� -.--- - :- ,-,._ ._ • ___ u ----�-�ps - - -- ��`�
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� � 6 60 :,,.�,.,�.,. y.�� laUO': ;... . ..r' "�� �, � 20 0 20
� ,a /
� � . ' S 88'S9't9' E ,xxa+oo 9+oa R 0' � = —
W .. y SiA 6+�8.8� 202 75' _ =' . xat�: i•=za'
s ST#32f57 44(ON � --- _ f � 845j�"- i�
, i _Z c�ENwooa:.tvE riF3 �i FwnwOOi?A�/E�v� G.�-_ - - - � LEGEND
.��.�, �. __
�::�t , W �' �v+ w�� -- `- - - _ _ _ -
_ , .� • s �
; ' � N 186;18t�2 �_` _ -_ �- " " j � _ _- WATER METE Z
.. � E 1306452 ' - _ ,. -' - . B C11
. _ �.
._. . : - . -.+. - �_ .
_... _. , � �- - . _. ..:-
:-,
__ ; .�x�...�;. ���
,�L _.. ___ ... - - _ --�-. ,�r,. -� � . ,_._.. _ .
� Z , ��..,. __ ___''- , `---`:.'� , ' ~ ^ N WATER VALVE
O � � �, ..,� ,.s.y 'S�{�9+5.52 6.76' L
t - 1- 12 45' HORIZONTAL 4
� ; Q i ; f�� � ...g[,�}p:��,}�,=;, mi THRUST BLOCK Ct 1
Z� . ' 1 THRUSI'BtOCIC _.._.._.._ WATER SERVICE UNE
.� Q �.�� I WATER/FIRE MAIN
f Q�' '� , � /R FIRE HYDRANT ���
( "> � � �- T BLOW-OfF C13
PLAN O POLIPIG STA?lON C6
SCALE t = 20 ] END CAP �
�
�
I NOTES
! 1. SEc SHEET C2 FOR GENERAL WATER NGTES.
EX 12' W EX GAS EX. CRADE AT ROAD EX WA SERVICE EX GAS ER WA SERVICE EX 6' WA
t3' COVER t3' COVER CENTERINE z 33' GOVER t3`COVER t3' COVER f3' COVER I � 2. TYPICAL TRENCH SHALL BE PER COR STD_ PLAN 220.00, DETNL B/C12.
� EX UGT � I 350
�
t3' COVER oo ' 3 CONCRETE BLOCKING SHALL BE PER COR STD PLAN 330 ETAIL 11
-- - - �
____ __ --fTYP"OF2}-- -- __ ---...._ _...---� - -- --- _ _ _ _ _. -- _ ____ _ -
. �
_._._.._ ...._...___ __.._._ __. ._ _ -- _
1 "W Di C� 52 � � 4. ALL LOCATIONS OF EXISiING UTlLITIES AND FEATURES SHOWN ON THESE
PLANS HAVE BEEN �ERIVEO FROA1 fIELD SURVEY PREPARED BY OTHERS PND
340 W � SHOULD THEREFORE BE CONSIDERED MPROXIMATE ONLY AND NOT
� � � COMPLETE. AD�ITIONAL SURFACE FEATURES AND IMPROVEA�ENTS BEYOND
�_. -- _--
` THOSE INDICATED ARE PRESENT AND IT IS THE SOLE RESPONSIBILIiY OF
Z THE CONTRACTOR TO INOEPENDENTLY VERIFY THE ACCUR4CY OF ALL
�EX 8� S .-.� � I J EXISTING INFORMATION AND TO FURTHER DISCOVER AND AVOID ANY OTHER
� IE 335.9 x� � �'' J = � UTIUTIES AND SURFACE FEATURES NOT SHOWN HEREIN WHICH NAY BE
_� ��� �� � ;�J M�; � I � AFFECTED BY THE IMPLEMEMATION OF THESE PLANS.
J W�QO . . . . . .c00 �� �.�j> �O � Q
^� ��>m = m: ,,, o,= m I � 5. PROVIDE VALVE BOXES ON ALL VALVES PER COR STD. PLAN 330.1, DEfNL
N �
�� . . . O' �~ . . . . . . . . �iA i[l��� . . Q Q ����
'.- �_ . . +`x.�'� � . _. . . .. .. .. � . .. ._ . . ... . 'n��� 'n� . .. '� �s� ' B�C10.
. . . . +.. ��.. . +:�� +.. �.��
�"' �`��� �'`-"o� �'`� �'`^"o� 6. CROSSING UTIUTIES ARE SHOWN M THEIR APPROXIMATE LOCATION AND
�� � N i i i Q � i m i N i Q � i m � ( ASSUMED CONFIGURATION. iHE CONTRACTOR SHALL UNCOVER ALL PIPING
WHERE CROSSING, INTERFERENCES, OR CONNECTIONS OCCUR PRIOR TO
( TRENCHING OR EXCAVATION FOR ANY PIPE OR SiRUCTURES, TO DEfERMINE
7+00 8+QQ �� �� ACTUAL LOCATIONS, SIZE, AND AIATERIAL THE CONTRACFOR SFiALL IAAKE THE
APPROPRIATE PROVISION FOR PR�TECTION OF SAID FACILITIES AND SHALL
ADJUST WATER LINE AUGNEMENT AS NECESSARY TO ACHIEVE REQUIRED
PROFILE CLFARANCES.
SCALE: HORZ. 1 = 20 VERT. 1 = 10
7. COORDINATE ALL WORK WITH CITY OF RENTON TO ENSURE FACIUiY ACCESS
IS MAINTAWED AS REQUIRED.
' 8. COORDINATE ALL VICE INTERRUP S WITH OF RENTON.
_ Q 9. SEE SNEEfS C10 TO C13 FOR COR WATER DETNLS.
10. PROTECT UTILITIES TO REAIAIN.
Q 11. PROVIDE HYDRANT AIARKERS PER COR STD PLAN 310.3.
- CALL 48 HOURS
- BEFORE YOU DIG!
� Ap 1-800-424-5555
�w4 ,es �,�T
I PER1R RENSIONS RPoRC 69 t9 11 / /
_ springline design ��c 4' � r PER ,f„��� �" ,•-�o� ���~� ,� ,.� CITY OF GLENWOODTOWNHOMES � 19 ��
��,E�^�^^g,5����.,T�,��^� .� R E N TO N
� '�"° WATER MAIN EXTENSION
351Si ' � 1 pAR)M
- 3iatv�mn�e�.�e,sua5o� pn2o595�eaii � "� p, � Planning/Building/Pub�ic Works DepL �C8
� _ �°"�"'"�'r `���'�"' �"��` N0. REVISfON BY oA� ,�PR � ��• GLENWOOD AVE NE '�8 13
CITY OF RENTON
� APPROVED BY: DATE:
.�._.. �. � v - .
STA 3O+Z1 4}, Z1 L - APPROVED BV: DATE�
'E � � t- 45 BEND (MJ)
t- THRUST BLOCK
'��, �`. � Q APPROVED BY: DATE:
� = 21 LF 12" W DI CL 52 � -
35 L� 12' W DI CL 52 i/` � N ST0. 30+35.93, 6.5' L naPaoveo er �nTe
n^ESTORE EX. PAVEMENT AND j 1- 45' BEND (bIJ) RESTORE EX. IMPROVEMENTS ; PROiECT EX. 12� AC -
PAVEMENT=STRiPMIG IN � _f W , 1- THRUST BLOCK IN ACCORDANCE WfTH THE ' WATER LINE � � 4-�„ `
ACCORDANCC'M1TH`YN� GITY ^ . Z ¢" .. CITY OF RENTON °�'" •' `` , � ; - �
OF RENTON R�QUIR�MENTS � 14 LF lY 1Y- e �� •
€ DI CL 52 ��� REWIREMENTS (TYP) ' "" ri,
� -- CUT I�ECT F0 � X - I -- -- " -.r «�.:==:�y.- c� _ i t' ' %`� _
j�, ST0.•32+65J5, 6.5' L
z ' ' � .' �R 30+50� Zfl�_L a. . 1 t�iT12" Z
� EX. HIGH PRESSUl�f 9� VY= I E 31YDRANT ASSEMBLY - TEE FLx L
" ] _B'x8`TEE tFLxFl;_ ,_ _ - -
..: _ :
� _ � . _ _ ._ - • -- _ _—- a� � )��_
3 3' 8'�#TE.Yj�L��� �'xtaJs= ; � - ;s _ _ .�, t�fiZ � _
" � � �-- T 1 .
i
_ . - „
s t=8"x12"�REd43F)ER 1MJ�j`_ - . : ---- =,? _ w --__ " ;.', - s w - - __._ _._.-��� t i2'f,NEL�1AJ), ,
_ _�e5 _2- B' SLEEVE (kt�d)y - ' ' - --- . -- - ---. _._--- ---- -- ' , SH CK P T E —
��� 1-�THRUST BL(3E�= o �: ��*� a2.00 l 1-ATH USTABLOCKE 20 0 20
_.,
., �-'-' _-� __._ .-�-216 LF --25�:"E4'"" `� t r S�At i2+57.44�� :;� 33t00 SCALE 7�= 20'
_; „a ; ': j' 48 LF 12' W DI CL 52
k .,.. 5ffi"3`(f+OlO-:`�n STA dv+S;Y'6'� !-�_ l __t2' 16' Dl CL 52 F'FARRINGTON A - E_ - ' HAf2RINGTONBAVE N�N � �g - -
CONC#IONd�NT W/.� 12 x6 &���h4�L�F�'� --- -„n. __ _.
_ ,_ - _ . &, _ . � - ---..
_ _ °_ �__-2�s PH� f s Yca�E v�ivE��) :; r:_= -�- -_ —;��" __ ' __ � - -� •�:t ���i�z Z` ';� ,�.- -,, -:
„__ E ' N .864„8 85 i, ` -
-- -- •€ 1.i0Q46�y1`", ( �„1= THRUSt BIQC - -__ __ , - ..._ , a` __ _ <. -- :- , - - _ �-' ON�WATER METER Z
._ , >
, x � � � _
__ •�;,� �� � �: r - � �
�
�� �
� �: �r '' ��� -�� - - -- - - -- - � �i _ C1�
-- -�- ,� . .. - �- � ':r �s +--,-.�.,., -- ��..r M _ �i?,� _ - - —
_ _ _ �. r � M�.. o: r:. .. � , H WATER VALVE
_ _
3� �: ����i i� --..,- _..�e... � � �~ (
° .u.�:
` r�fi' + � ; ��g,,M �^"°'-- �e THRUST BLOCK C1t
z }
., s .� -�� D
.. .<;.; � '
. �#�t . � -.�t � _ .�,..�. .,�,..�...-.w:.s4_ I `..m � ('_.a' _..-.._.._ WATERSERVICE LME
1� � �i�� � _ �^_ Z j� TL �e WATER/FIRE A�A�N
�" rn '
�._f r � , I '� f � '.I �l FIRE HrDRAN1 ��,
� ` } `
PLAN SEE SHEET C8 1 BLOW-OFF C13
SCALE: 1 = 20 o POLYPIC STATION C6�
] END CAP Q
i
NOTES
EX 2' GAS _ 1. SEE SHEET C2 FOR GENERAL WATER NOTES.
t3' COVER EX. GRADE AT ROAD
z EX WA SERVICE CENTERME 2. lYPICAL TRENCH SHALL BE PER COR STD. PtAN 220.00, DEfNL 6/C12.
EX 16' W EX UGT � (TYP OF 2)
3� t3' COYER t3 COVER �o
_ _ _ _- __
--- __�_ 3,rjQ 3. CONCRETE BLOCKING SFiALL BE PER COR STD. PIAN 330.2, DETAII 4/C11.
_ ____ i __ _. _ ---- _ _
_ ___
___ _ _ ___.._ - - -----
12"W DI Cl 52 4. ALL LOCAT10N5 OF EXISTING UTIUTIES AND FEATURES SHOWN ON THESE
Pl,sNS HAVE BEEN DERNED FROA1 FIELD SURVEI' PREPARED BY OTHERS AND
� �EX 24� SD ^ SHOULO THEREFORE BE CONSIDERED APPROXIAIATE ONLY AND NOT
E t339 � � �40 COMPLETE. ADDITIONNL SURFACE FEATURES AND IMPROVEAIENTS BEYOND
�� � Z � z z � ,� a T}105E INDICATED ARE PRESENT AND IT IS THE SOIE RESPONSIBI�TY OF
��W THE CONTRACTOR TO INDEPENDENTLY VERIFY THE ACCURACY OF ALL
�v J m z EX 12� SD J m z �m z �`x"z . �n�w � _��
�z� c��� rIE t331 w�.i v �ni v LL�� ��-'Q a a o� EXISTING INFORMATION AND TO FURTHER OISCOVER AND AVOID ANY OTHER
� UTILITIES AND SURFACE FEATURES NOT SHOWN HEREIN WHICH MAY BE
N�w m�m ( a�m m=m `�w>m ��� �U a m �� AFFECTED BY THE IMPLEMENTATION OF THESE PLANS.
"'o� a• �- �ri• � o�w � '�` a �zc¢.��
�Z� O��(n �fn "')�N 'n` (n ��C� W N
�a= rn= � o, � o= � o��� �=`- J --"'�� 5. PROVIDE VALVE BOXES ON ALL VALVES PER COR ST�. PLAN 330.1. DETAIL
�Z=Q NCV� �N� MN� MN= � . NKtO�(Yj� SC�O-
a�x 3 � �ti � I I F�- I I � I I 1 . . . . . r I I �-I I S 1 /
N CJ W a0 vI � cn�� in�� tn�. . . . . . f/l�h.i�—V1—�
6. CROSSING UTILITIES ARE SHON'N IN THEIR APPROI(IMATE LOCATION AND
� ASSUMED CONFlGURATION. THE CONTRACTOR SHALL UNCOVER ALL PIPING
WHERE CROSSING, INTERFERENCES, OR CONNECTIONS OCCUR PRIOR TO
TRENCHING OR EXCAYATION FOR ANY PIPE OR STRUCTURES, TO DEfERMINE
ACTUAL LOCATIONS, SIZE,AND AIATERIAL. THE CONTRACTOR SW+LL IAAKE THE
APPROPRIATE PROVISION FOR PROTECTION OF SAJO FACILfTIES AND SHALL
3Q}QQ 3I+OO 32+00 �+� ADJUST WATER LINE ALIGNEIAENT AS NECESSPRY TO ACHIEVE REQUIRED
CLEAR4NCE5.
PRORLE 7. COORDINATE ALL WORK WITH CITY OF RENTDN TO ENSURE FluCIUlY ACCESS
SCFLE: HORZ. 1 = 2� VERT. 1 = 10 IS AINNTNNED AS REQUIRED.
B. COORDINATE ALL VICE INTERRUP S WITH OF RENTON.
9. SEE SHEETS C10 TO C13 FOR COR WATER DETNLS. Q
10. PROlECT lJ�1LtTIES TO REMAIN.
11. PROVIDE NYDRANT AIARKERS PER COR STD PLAN 310.3.
CALL 48 HOURS
BEFORE YOU DIG!
w4 u..saos 1-800-424-5556
� w! .. c o , vcran�sua �aa as/�s/>> '
springline design ��� 4 f r m,�,�� � i--io' ��"""' �'� ,.� CITY OF GLENWOOD TOWNHOMES ��19���
CiN Enginee�inp I Sse Devebp�enl I T�spwtatlm -� R E N T 0 N
� "^" WATER MAIN EXTENSION
3137 WeabrnA�enu.SWb50t ph 206s57a3tt ��16 ,� � �� MTUM. Planning/Buifding/Publ"�c Works DepL C7
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MIETAL SPIKE ' 13.00' RT .' .
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W ---RI(9Nt1A1ENT A7- BEGIN-CURB . - __._; -_ _ __ __ AND
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SCALE: 1 = 10
TRANSfTION CURB HIGHT
FRON 6'TO EX.
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PROFILE r+°° n+so �2+00 �+so
SCkLE: NORZ. 1 = 10 VERT. 1 = 5
STREET�CONTROL EX. FROP.
ROW ROW
26' i
13' 8' 5' I
STREEf PIANTER SIDEWALK
�_ I TOP OF CURB �E NOTE 3 1'ROW WALKWAY TABLE NOTES
DEDICATION
(PR�FILE POINT) �STATqN rwn� �srnTarr w��n� 1. FlELD VERIFY ELEVAiIONS AND NOTIFY ENGINEER OF ANY
� EXISiING GRADE (iYP) 2�� iaee.os 3' 11+64-94 3' DISCREPANCiES PRIOR TO CONS7RUCTION.
f �TY��T� �__' 11+02.06 3' 11+80.94 3.
-- - I IEiIE tt�ie-sc 3' 11+96.94 3� 2. REAIOVE EXISTING FFATURES AS REOUIRED FOR CONSTRUCTION
OF NEW IMPROVEMENTS.
- APPROVED 6Y� DATE� � � 11+11.52 10' 12N825 }•
ASPHAL7 PATCH AND CURB PER COR 4' CEMENT CONCRETE 6 3. SEE LANDSCAPE PIANS FOR STREEf TREES AND PLANTING_
C10 STD DETNL F008 SIDEWPII( PER COR STD e
nPPRov�Br� DATE� DEfNL F005.1 C10
_ e4 CURB AND GUTTER PER COR 4. SEE SHEEi C7 TO C9 FOR WATER AWN EXTENSION.
APPriov�eri DA1S C10 STD �EfAIL F001
COAIPACTED SUBGRADE
EX 8' SS Qi
- n�nov�ev� on�= APPROX. 8' DEEP�;� CALL 48 HOURS
TYPICAL SECTION BEFORE YOU DIG!
NTS 1-800-424—�
= ��4�7aApos�
= springline design LLc a r � PQ°"� �" D9�s„ - � �-_�o. "�'"°`'�•� �. oe/is/i�
- c���,���,T�� �� � � CITY OF GLENWOODTOWNHOMES
_ � RENTON
.Q, � � � Plonning�Building�Public Wo�� o�P�. FRONTAGE IMPROVEMENTS C6
3177 Wesbm A�arN�e.Suie 501 ph X16 957 8311 ��� I� ��M
� . ssaws,w�satr tm zaa%7 e3t3 �QUL� N0. REVISION BY pATE APPR ^^� �"""�"' -
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. _ _..
. . �- � .... �- . ". . .. . �. - �.... CfTY OF RENTON
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- ��` �� � SEE SHEEf C9 FOR WAIER .;� �jI_ENWOOD���AYE-NE � � � � APPROVED 6Y: DATE:
_ - ,
_._ .._ -. ._.... ....SEE YMTfR IWN R.ANS. . .. . .. ____. .___ __._..__ -.__. .NMM..pH{MSpM.pk/Jlg.. . .. �_ . . ,.. .. .-:.. _ . _... _..__. .._- _- ..-,.-__ __.:, _._.__. ��.
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� : ---�-� ��` � i �PPROVED BY: DATE
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- ` . �." ".` 3/4 IRRIGA710N$ERJN'E � � .� .... . . ��. � 1r� C 1� APPROVED BV: DATE:
� �� . . . __GS. -,,>:.. '. , .;:. ' :;. _ _ . . ____.___..._.___ ...._.__ ____ ._ _ __._ _ _ _._._. ._ . __. SCn:E: t' = 1D' .
_..__ ___-_ _ .. .._ __._ ------- . __ � , � --
. . ' 3/4�DCVA PER ST� 33V 3(1N3Atl aOQMN �T . . ' `
PUN 3�0.8 : :.,
! � z J/4'�OMESi1C WATER ! I I CORE DPoLL AND CONNECT ] � � NEFA DRAIN .}�A ORAIN ! �� AREA pRNN ORE DRILL AN�CONNECT � E 1306658.42
.- SERWGE-G€R G�R STD : •.._•- � ____ - _.._. .. _ ___IO.IX6L 6'SS..�GCR _.:� . .�___�1 3�S:tr-- �dT-3i50 �-� RY-3A50___..': -_TOfiHSi-frr.55__pER_e. .
� I C1 PUN 320.t (iYP) I �' I COR S�D PLnN ap6.t C11 � I ;6'iE 342.50 �6�_if^34250I I 6'IE 34259"� COR STD PUN 406.� ��,.� -- - -.t2 W IE 339.90
� < .,. .� ..
:. ; e ���,.� NOTES
� __,- � - ___-- �
a � � -�:��. - - _
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� . z -. � > �, .�.;, . �_.� .-_.. ,.__ ____ __ __ .... _,,, ^ __ .7 �` .., _ __ _ __ �� � --- � --- r._ - - ._ ..... L SEE SHEET C1 M1D C2 FOR CENERAL NOTES.GENERAL STORAIWATER NOTES.AND GENERAL
.i � .._..� <_. .. _ .__ . .-� ..___ . '_._ _ _ _ .__�__ .. �.T_ �-.:: ,_� �"`i r... ��y�$:� , S4NfiMY SEWER NOTES.
-_ � ,8'SL IE 343. ... _ -..�,. :� T- .. '
� � - ..._ ����,6'SS'E 341. '. ` .. _ _ / . i,,.:
o . .____ ''� _ _f__ __ _- --- ... . `: 2. Rll WORN SFW.L BE kl ACCOR�MJCE WiTH CIIY OF RENTON STM1p4RDS AND REQUIREMENTS
- .
_ a - . . .__._ ._ '__.__ � , ..
"' F� ���� F�. . . : ......� �' � � 3_ S4NRARi SI�E SEWERS SHALL BE CONSTRUCiED IN ACCIX2MNCE WITH Cltt OF RENTON
_ _ _ � __ __ _ _ _ _ _ _ - - _ __ S�M7DARD 4D62.
-
-::. IE 34400 ' __6'FIRE SERYiCC R .__ .,,IE��341 25i� � ; 'FlR I R ' . -__ __. _ : �„R� ._: .
� OFDICATpN 4. PROJIOE 3'YIN COVER OVER FlRE SERVICE M1D FDC UNES .
67 Lf 8'�SD 9 lx MIN� � � ~ 75 LF � 1x � .
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� _
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� � ' lr . - �� I �L ��� �Z �-I _ �.-- ���:�,,.^1 - /\ � I .. � � 3 ` - 6. SEE OEfNI 8/C12 FOR PIPE COAIP,VCTKKJ AN�9�CNFlLL REOUIREMENiS.
;•/i LJ i . ., -9 LJ LL-_J� _
��' , � /.' ;', � _ ;/ , L - � i/ -'- ",� 7 -r ,� � -� . . . . , % �, /. � '� ' ���I 4�30C W . FDC `:4A�30+52.65 Z FOR PLL CATCH BASINS WfiFi GRATES PROVIDE PNNT STENqL'MTH'DUMP NO WASTE DRWNS
I q�p p�j � � ; . / �t 8'SD!E 34258 :'� _• ' 72'X6'�,TEE(MJXR) TO IAKE�OR PPPROVEO STORM DRNN LABELS PER EVERGREEN STM10Af7➢S. SUBYR TO ON?JER
PoM 34fi.4� � j 6'SS iE 339.95 �� �5'CdTE.YhLVE(fL+cM.I) FOR APPROYAL PRIOR TO INSTALUTION.
�� �� ��� SERVICE RJ��-� ��' � I TN�T�6LOCKING LEGEND
6'IE 343.90 D04ESTIC riATER SEZVICE 55 POC � � � � G'FlRE `=-6'DI W�
� I � � POC. PRONDE 3/a'�LYA � I I .
FlRE SERV�CE POC W/`MriLL - 1
AND PfN INSIDE BLDG PER � I 1 � FY2E SER�q"E POC FEED FpR NORTH �� �
I IND�CATOR VALVE ON NORTHERN i : _
��ff 345.50 YECH PtANS(TYP) ". I � . I � - BUILDIHC.Pn'OVIOE REOUIREO FITTINGS �// 15'WATERLC� � -'-------
:: WPiL PER AIECH.DWC$ ;� I ' : � �� � J �. I �p e5 6'STORM DRAIN
EASEIIENT � 0 CLEM10Ui
-�i' :� fDC POC � I I . . � � FlRE SERVICF POC.PROViDE 5'COCYA 3 C 1� _ __ __ __ 8'STIXt1A DRARJ
�� -: I I � ' I � � PER COR 5�360.5 INSIDE BUILOING ��� FOOTING ORN �� _ _ _ _ �
�� � ' �; I � � I 3 N�D M'All�NOICATOR VALVE OH SOUTH . �� (7yp� �� C15 SPNfTAHY SEWER NF1N
/ . . I . �. WAL1 PER 0E01 DWCS.SEE NOTE 7. � I _ . ._ .. _
. �. _'_ __ _ - � +� MEA OP,N4 Z WATFR SERviCE LME
� I i -' ��� /, � I� - C15 WATER/FIRE WJN
�_.' .. I ,, � V ;,�„ I - :CONNECT TO BL06 ; �� I I I N WATER V11LVE
„' � I � i , 1 ��- f � FOO71tiG�RAINS i �( 'I.. _ - TlPE 1 C �
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: /' ' — —�•. i , � �� j 5. THE ESC FApUIIES SW�LL BE INSPECIED DNLY Bf TFIE APPIICNt�/CONiW.CTOR AND
I �, � ' GT��N�T�T� � �'�� � ' � I �� WJNTMIEp AS NECESSARY OR ilS DIRECTED 9Y TF�CIIY OF REH�ON TO FNSURE TH�R
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- �"� I�! ' �- _ _ _-... - � ' ;��� " I��X_ - YFASUR6nANY BE RE�rRED TO NSURE THRT N.l AVED MEAS ARE I��LEAN FOR
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_F]LIFfL�FABRiCFENCE �, . - � � i..
<� : � - PER COR SfD PUN 216.20 V .- '-� � � S 9. NO SEpMENf SlNll BE TRACNED ONTO PAVED SiREEIS OR ROADM'AYS SEDIHENf .
I : � . ��� �... �-'-'� �n.p� _ "�--- � � + "�`j'� SFi5L1.BE RENOJED FROM TRUCKS AND EWIPAIENT PRIDR TO LEAHNG THE
I� ! t _ .� � _- _... �" , �,=�� __�'��� � � .���SEE NOIE 10�� � CONSTRUCTIpPI 51IE. IN THE E�fNT OF FAIIURE OF THE TESC ShTEY RESULTlNG W
� , ,-._'...-_Y� -; ,, ...% . � ` � _ _ . __ " . SEDIMENi TRACKING ONTO PAV6IENT.THE CONiRACTOR 9NLL WPLE4ENT 4FASURES
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. _���t_ � � � -- . —__" � '" n �� � � / COYPONENT OF TFIE TESC SYSIEY��N�TRACNm ON�O PAVED ASU3ACES SIi�LL
- ` � � �__�� ._ �. � � '--�-_' _ l�?, = U= � �^� � ____._._-._ NOT BE WASHED IHTD SrORN DRNNS IX7 OhER UfIUIY RA.EfS. I
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caLL 48 HouRs springline design ��� 4- � g � """`"`�D4 �' 0997 ,�� � ,._,o. �;w�'^�� :, ,.� CITY OF °�,19�„
BEFORE YOU DIG! RENTON GLENWOOD TOWNHOMES
Gvi Erqneemg�sre oe.ebpnen I Tra�sportaea, .t
1-800-424-5555 ���� � '�" � � �+nM TESC PLAN
3131WesbmAva�,Suile501 pn zo695�esii 1 � � � n�� Plann�ng/Bu�Id�ng/Public Works Dept. �C3
.__� seeae.wnvair raxzoessiasi3 1atAL�' NO. REVISION BY OATE APPR L"�a' �3 �13
CITY OF RENTON
APPROVED BV: OATE:
I � APPROVED BY: - DATE:
EX. 6" WATER TO
STA. �0+68, 6' L REMAIN ACTNE 180 LF 12' W 01 CL 52 SiA. 12+06, 6� L ST0. 12+4825, 6� L APPROVED BV: DATE:
t- 12'x6' TEE (AIJxFL) RESTORE EX. PpVEAIENT IN 7- 12� G4TE VALVE (MJ) t- 12':.x12' TEE (FLxFI)
-6� GATE VALVE (FLxA1J) ACCORDANCE WITH THE CITY 2- 12� GATE VALVE (FLxMJ) APPROVED BV: DATE:
1- THRUST BLOCK OF RENTON REOU�REAIENTS 3/�� W?TER SEHVICE 1- THRUST BLOCK
.:: ; . ` 4= (�� i Z (TYP Ofl9) s �3
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S_TA-19+68. 17.5' R ! , ,., _ , ,, . I . a N WATER VALVE
( ' , ; � -
� � -' II 1 RESTOCE EX. PAVEMENT IN � THRUST BLQCK ���
( . ACC6RJANCE wITH THE C�TY
I OF RENTON REQUIREIAENTS . -••-••-••- WATER SERVICE LINE
(7yp� SEE SNEET CS FOR ON
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END CAP Q
� '
� NOTES I
iL SEE SHEET C2 fOR GENERAL WATER NOTES.
�I EX. GRADE AT ROAC1 2- 1YPICAL TRENCH SHALI BE PER COR STD. PLAN 220.00, DETNL 8/C12. II
� CENTERtNE � � 3. CONCREfE BLOCKMG SHALL BE PER COR STD. PLAN 330.2, DE7Nl 4/C11. II
W! � 4. ALL LOCATIONS OF El(ISTING UTILfTIES AND FEATURES SHOWN ON THESE
�I -- - - _ _ _. _ __ __ ___ _ _____ _ _ ___ _ PLANS HAVE BEEN DERNED FROAI FIELD SURVEY PREPARED BY OTHERS AND
- -- -
' SHOULD THEREFORE BE CONSIDERED APPROXIAIATE ONIY AND NOT
� W � 12' W DI CL 52 � COMPLETE. ADDfTtONAL SURFACE FEATURES AND IMPROVEAIENTS BEYON� I
p� THOSE INDICATED ARE PRESENT AND IT IS THE SOLE RESPONSIBIUiY OF
Z� :-- --- -_�_- -=_ _-__._- __ =--- _ ___--_._ . ^ � EX STING�INFORAIATIONI AND i0 FURTH R DISCOVER�ANDAVOID ANY OTHER
J _- - ---- ' ' ' -
--- -' ' `�. �__ : --- UTILITIES AND SURFACE FEATURES NOi SFIOWN HEREIN WHICH MAY BE
� U I � � � � � �--� � AFFECTED BY THE IA�PLEMENTATION OF THESE PLANS.
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Q �-J c� '� � '� �- ��3 r '�o a�c� 5. PROVIDE VALVE BOXES ON ALL VJtLVES PER COR STD. PIAN 330.1, DETAIL
� � ���m �Q Q �¢ oa _ � ��W m .n�ca�am 8 C10.
� � �3 ^ i � 3 . '0 3 �
_ i +��� a'+_ +_ �+. `+�w e"'� in +w''�'m� 6. CROSSING UTIUTIES ARE SHON7J IN THEIR APPROXIAMTE LOCATION AND
� o � ^� �� `r'� <`++�= --� -�N � ASSUIIED CONFlGURATION. THE CONTRACTOR SHALL UNCOVER ALL PIPING
^"-`�'- �' ^�' ��' �' �" ����� `"�`r� WHERE CROSSING, INTERFERENCES, OR CONNECTIONS OCCUR PRIOR TO
. . I a i �i i � � . a � . . . �-i . . fa-- i � � i d � �i i i i �
<n N v�.o cn N (n� N��v � v��� �� Q TRENCHING OR E%CAVATION FOR ANY PIPE OR STRUCTURES. TO DEfERMINE
ACTUAL LOCATIONS, SIZE,AND MATERIAL. THE CONTRACTOR SHALL tdW(E THE
', - � APPROPRkTE PROVISION FOR PROTECTION OF SA1D FACILITIES AND SFiNLL
lO-FOO n+00 �2+00 �j+OO ADJUST WATER UNE ALIGNEMENT AS NECESSARY TO ACHIEVE REQUIRED
PROFILE c��cEs.
- SGiLE: NORZ. 1 = 20 VERT. 1 = 10 7. COORDiNATE ALL WORK MATH CITY OF RENTON TO ENSURE FACILITY ACCESS
IS MAINTAINED AS REQUIRED.
8. COORDINATE ALL VICE INTERRUP S WITH OF RENTON.
Q 9. SEE SHEEfS C10 TO C13 FOR COR WATER DETAILS.
10. PROTECT UTILITIES TO REMAIN.
11. PROVIDE HYDRANT AIARKERS PER COR SiD PIAN 310.3.
CALL 48 HOURS
BEFORE YOU DIC�1 i
R�¢u.��pos� 1-800-424-555.5
d 1 PQN�IffN9p6 RIh/IC W 19 11
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RENTON
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NO. REVISION 8Y �ATE APPR ""o`a 10�15
0.i1 SIGN AfN`.IGPiS �
PtATED GMRWGE 601T g �
NIJ�WITH NYION WASNER.(2 ��. � P��� .; , �.. ,_ 4'WNRE PAINT STRIPE
PER SIGN.TYP.) YAN � . -� �;2 \i ARWND PERIYETER
�ACCES96LE I WFIfTE PFJNTED ° � —_I ' - -
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J STRIPING `�� .. .. 4'WHRE PANT$iRIPE ��!
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��DEPTH IN PARICING S1ALL$ 12�WASHED RAllROAD
. 6'DEPTH IN ALL OTHER IOGTION$ 64LLAST `�EN�OF PARICINC STALL .
�. � 3'CHOKER COLI2SE
FACE OF 1"R 4..-6—� �/2'R GRADE
- � i /;�/� i�� ROVDE 4'WN THICKNESS OF GRAYEL �WHEEL STOP � , ..
- BACKFlLL FOR CRNNS(WSDOT/MWA . .�/...,. ! j..
� . - - 9-03.12(4))MOUND SIDES PN�TOP OP c ASpHALT �
� . UNDER�RPIN.BRING GRAVEL UP TO BOTf01A PANNG G -
- � OF RAILROAD BALL/ST AHD WRM ON TOP, F.G. ��� - -
r[ �.� — �. : ��„- BOTfOM AND 9DE5 N7i}i CEOTE%TILE � ; �/
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. �PRDOi�ROLLE� �IW�fI 160N CEOTEXIILE " PIPE UNDERORAM � .
. SI:BGW�DE OR AFPROVED EWNALENT WHERE SHOWN ON �..'.
PLANS.SEf CRONM 4' 6'LONG CEMENT '� �
BE�QW BOT�OA1 OF CONC.WHEEL SlCW �� c u
. �= kAILROAD BALLAS� �
t. PLL DEPMS SHOMM ARE CONPACFED DEPTHS. - '
NOTE: CENENT i , .
- 2. CHOKER COURSE Sfis1L BE 5/6'W0.SHED,CLEM!CRUSHED ROCK. OPoEM PERPENpCUL4R TO STALL PNO SET �8 REBPft ANCHOR WIiFi CONCREfE ��
FpCE(NEpR EDCE Of FACE AT ANGLfD 18�E4BEDAIENT N �
- 3. RAILROAD BALIAST SNNI.BE PER PER WSDOT/APWA SECTION 9-03.9(2).E%CEPT 1005 S�ALLS) 1.5'FROM ENO Of STO11. $UBCiUDE OR EPDXY BON� . �
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AppendiY B
TDA #2 Water Qualitv Calculations
PUBUC WORKS DEPARTMENT �=����,�
�s '������c' � �`�
M E M O R A N D U M
DATE: September 9, 2011
TO: 1an Illian, Plan Reviewer
FROM: Ron Straka, Surface Water Utility Supervisor, x7248
STAFF CONTACT: Hebe C. Bernardo, Surface Water Utility Engineer, x7247
SUBJECT: Glenwood Townhomes—Americast Filterra�Adjustment
2011-04
The City of Renton Surface Water Utility has completed review of the adjustment request dated
September 8,2Q11,for the Glenwood Townhomes Project in accordance with City adopted 2009
King County Surface Water Design Manual and associated City Amendments. The adjustment
i request proposes to use the Americast Filterra� Bioretention System for Enhanced Basic Water
Quality. The Washington State Department of Ecology has approved the Filterra� Bioretention
System for General Use Level Designation for Total Suspended Solids,oil and grease,and
enhanced dissolved metals.
Based on the information provided in the adjustment request,the Americast Filterra�
Bioretention System for Enhanced Basic Water Quality and Oil Treatment is approved with the
following conditions:
1. Each Filterra� unit shall be sized for Enhanced Treatment using a filter hydraulic
conductivity of 24.82 inches/hour(assuming a hydraulic gradient of 1.41 inch/inch as
listed in the TER) using the sand filter module in the latest version of the WWHM or
�� I other Ecology-approved continuous runoff model. The model must indicate the unit is
� capable of processing 91 percent of the influent runoff file.
2. Each site plan must undergo Filterra� review before the unit can be approved for site
installation. This will ensure that site grading and slope are appropriate for use of a ,
' Filterra� unit.
3. Filterra�media shall conform to the specifications submitted to and approved by
Ecology.
4. The facility shall be inspected every six months by the supplier during the first year of i
operation as offered with the purchase of the Filterra� system. Inspections will be used �
to determine the site-specific maintenance schedules and requirements. Maintenance
of the facility shall include removing trash, degraded mulch,and accumulated debris
from the filter surface and replacing the mulch layer. Maintenance procedures should I
follow those given in the most recent version of the Filterra� Installation, Operation,
Ms.Illian
Page 2 of 2
September 9,2011
and Maintenance Manual. During the first year of operation of the facility, written
records of the inspections and maintenance shall be submitted to Ron Straka, Surface
Water Utility Engineering Supervisor.
5. The property owner shall have the Filterra� Bioretention System maintained by the
supplier or approved contractor during the first year of operation as offered by the
supplier with the purchase of the Filterra�system. Prior to maintenance of the Filterra''
Bioretention System,the Surface Water Utility shal� be notified and allowed to inspect
the facility and observe the maintenance of the Filterraa Bioretention System by the
supplier or approved contractor.
6. The final project TIR and plans must be revised to include the use of the Filterram
Bioretention System and this adjustment approval. This is a conceptual approval for
using the Filterra� Bioretention System for Enhanced Basic Water Quality and Oil ,
Treatment. Further analysis and design calculations shall be included in the TIR for final
approval.
7. The approval of this adjustment to use the Filterra� Bioretention System for the
Glenwood Townhomes Project is being granted "Pilot Approval"only so that we can
evaluate the performance,effectiveness and maintainability of the Filterra�
Bioretention System. This adjustment approval does not authorize the use of the
Filterra'� Bioretention System on future projects without prior approval from the City of
Renton.
8. The Filterra''treatment facility shall be installed in accordance with the approved
drawings and shall not be located within City right-of-way or easements.
9. The applicant will need t�submit a Drainage Facility Covenant for inspection and
maintenance of the Filterra�treatment facility. The Drainage Facility Covenant can be
found in Reference J of the City of Renton Amendments to the 2009 King County Surface
Water Design Manual. A site plan showing the location of the treatment facility must be
included as Exhibit A with the declaration of covenant.
Please note that the approval of this adjustment does not relieve the applicant from other city,
state,or federal requirements. If you have any questions about this adjustment, please contact
Hebe C. Bernardo or me.
cc: Lys Hornsby,P.E.,Utility Systems Director
Kayren Kittrick,Development Engineering Supervisor
Z:\2011 Project Documents\11010 Glenwood Townhomes\2011�Glenwood Townhomes-Filterra(2).doc\HBah
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WATERQUAILTY EXHIBIT CivilEngineering � SiteDevelopment � Transportation
sC+�►� 1� � Z�� 3131 Westem Avenue,Suite 501 Ph 208 957 8311
Seattle,WA 98121 fax 206 957 8313
www.s p ri n g I i n e I I c.co m
WQ Basin - Water Quality Calcu/ation
Size FILTERRA to filter at least 91% of runoff using WWHM v3 software
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920,'201)... Y1:10 PM
34 _ : �
4x4 Filterra filters 91.39%of runoff.
Appendix C
Backwater Conveyance Calculation
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BACKWATER ANALYSIS �����g���� ������ L���
Civil Engineering � Site Development � Transportatlon
$CA� �� ' 2�� 3131 Westem Avenue,Suite 501 ph 208 957 8311
Seattle,WA 98121 tax 206 957 8313
www.springllnellc.com
springiine design ��� ��-��-������������� =°,���°,
Sezttle �"Jash�.��;�n_BI�I
=i,il En�rw_ern9�Site DeveYMrtr:ytl I Transponation p��9h�n-3'_1 I 13x^�i6=5'3'..1'_
BACKWATER CALCULATtOlV SPREADSNEET
Project Name: Glenwood Ave NE Designed By: RRI
Jo6Number: t000G StormEvent: 2Syr,24hr
Come ance S stem Information Dutlet Control Inlet CoMrol Headwater Summation Overtoppi Check
Pipe Seqment SuAace iotal Lengtfi Pipe "n" Down- Down- Up- Up- Pipe Barrel Barrel Critical TW TW Barrel Friction Entrance Entrance Entrance Euit Outlet Inlet Inlet Control Approach Bend Bend - q� Q� Y� Junction Head HW (HW-Rim) Over-
CBlMH A CBIMH 0 Fbw ibw L Stre value Stream Sheam Stream Stream Siopa ValocNy Velocity Depth Elav. Check Hyd. Loss HGL K, Head Head Control Control Controi HYV Veloctiy I(e Head Head Loss Elev. Clearance topping
Down U Q Qtot D Invart Rim Inwrt Rim Head Rad. Elev. loss Loss Elev. HW�D Elev. Elav. Haad Loss Loss Total Chxk
CFS CFS Ff N Ff Ff FT Ff % FPS fT FT Ff Ff fT FT FT Ff FT Ff FT FT Ff Ff FT CFS GFS FVS R FT FT fT
OUTFALL STCR#1 0.00 0.66 65-0 8 0.012 33276 333.50 333.47 33841 1.00Y. 1.90 0.06 0.39 332J6 33329 D.17 0.17 331.08 0.50 0.03 0.06 334.16 0.75 333.91 334.76 0.06 7.3/ 0.08 037 030 1.90 0.03 0.10 334.27 �20 O
STCR#1 FlLTERRA 0.00 0.66 6.0 8 OA72 3334t 33841 333A7 33975 1.00',G 7.90 0.06 0.39 334.21 33d.27 0.17 OA2 334.22 0.50 0.03 0.06 334.37 0.75 333.97 334.31 0.00 0.00 0.00 0.00 0.00 334.37 -5.44 O
STCR#2 STCR p3 021 0.21 26.0 8 0.012 336.36 310.40 33656 33823 O.TIX 0.60 0.01 0.27 336.36 336.80 OJ7 O.Ot 337.23 0.50 0.00 0.07 33724 0.75 337.06 33724 0.00 0.00 0.00 0.00 0.00 337.24 -0.99 Oka
STCR#2 STCRp4 0.16 O.t6 18.Q 8 0.0�2 33ti.36 340.40 336.51 338.85 1.00`6 0.45 0.00 027 336.36 336.80 0.17 0.00 337.21 0.50 0.00 0.00 337.21 ObG 336.94 3372f 0.00 0.00 O.DO 0.00 0.00 337.2� -1.64 Oka
STCR 7�t STCR»S 021 Q 30 88.Q S O.Oi2 335.07 33E.31 336.83 339.50 2.00�6 0.85 0.01 025 33421 335.53 0.77 0.01 337.50 0.50 OA� 0.01 337.5� 0.60 337.23 337.51 0.00 1.34 0.01 0.00 0.01 337.51 •1.97 Oka
6a<kwale�C.;n,e/ ce Cac�kOon GeriwoM A.e-re.LL 920.2011
Appendix D
Bond Quantitv Calculation
�
Web date: 11/21/2005
Site Improvement Bond Quantity Worksheet
��'� King County
Department of Development 8 Environmental Services
900 Oakesdale Avenue Southwest
Renton,Washington 98055-1219 For alternate formats, call 206-296-6600.
206-296-6600 TTY 206-296-7217
Project Name: Glenwood Townhouses �ate: 9/20/2011
�ocation: 1147 Glenwood Ave NE Project No.: 10-047
Activity No.:
Note: All prices include labor, equipment, materials, overhead and
Clearing greater than or equal to 5,000 board feet of timber? profit. Prices are from RS Means data adjusted for the Seattle area
or from local sources if not included in the RS Means database.
yes X no
If yes,
Forest Practice Permit Number:
(RCW 76.09)
Unit prices updated: 02/12/02
Version: 04/22/02
?NDQUANTITY.xIs Report Date: 9/20/2011
l—J _ �
�- —.....; --' —_ � _ _
Site Improvement Bond Quantity Worksheet Webdate: 11/21/2005
Unit #of
Reference# Price Unit Quanti Applications Cost
EROSIONISEDIMENT CONTROL Number
Backfill &compaction-embankment ESC-1 $ 5.62 CY
Check dams,4"minus rock ESC-2 SWDM 5.4.6.3 $ 67.51 Each
Crushed surfacing 1 1!4"minus ESC-3 WSDOT 9-03.9 3 $ 85.45 CY
Ditchin ESC-4 $ 8.08 CY
Excavation-bulk ESC-5 $ 1.50 CY
Fence,silt ESC-6 SWDM 5.4.3.1 $ 1.38 LF 380 1 524
Fence,Tempora (NGPE ESC-7 $ 1.38 LF
H droseedin ESC-8 SWDM 5.4.2.4 $ 0.59 SY
Jute Mesh ESC-9 SWDM 5.4.2.2 $ 1.45 SY
Mulch, by hand, straw, 3"dee ESC-10 SWDM 5.4.2.1 $ 2.01 SY
Mulch, b machine, straw, 2"deep ESC-11 SWDM 5.4.2.1 $ 0.53 SY
Pipin ,tempora , CPP,6" ESC-12 $ 10.70 LF
Piping,tempora , CPP, 8" ESC-13 $ 16.10 LF
Pipin ,temporary, CPP, 12" ESC-14 $ 20.70 LF
Plastic covering, 6mm thick,sandba ed ESC-15 SWDM 5.4.2.3 $ 2.30 SY
Rip Rap, machine placed; slopes ESC-16 WSDOT 9-13.1(2) $ 39.08 CY
Rock Construction Entrance, 50'x15'x1' ESC-17 SWDM 5.4.4.1 $ 1,464.34 Each
Rock Construction Entrance, 100'x15'x1' ESC-18 SWDM 5.4.4.1 $ 2,928.68 Each 1 1 2929
Sediment pond riser assembl ESC-19 SWDM 5.4.5.2 $ 1,949.38 Each
Sediment trap, 5' hi h berm ESC-20 SWDM 5.4.5.1 $ 17.91 LF
Sed.trap,5'high,riprapped spillway berm section ESC-21 SWDM 5.4.5.1 $ 68.54 LF
Seeding, by hand ESC-22 SWDM 5.4.2.4 $ 0.51 SY
Soddin , 1"deep, level ground ESC-23 SWDM 5.4.2.5 $ 6.03 SY
Sodding, 1"dee , sloped round ESC-24 SWDM 5.4.2.5 $ 7.45 SY
TESC Supervisor ESC-25 $ 74.75 HR 10 1 748
Water truck, dust control ESC-26 SWDM 5.4.7 $ 97.75 HR 10 1 978
WRITE-IN-ITEMS ***'` see a e 9
Catch Basin Protection $ 50.00 Each 10 1 500
ESC SUBTOTAL: $ 5,678.08
30%CONTINGENCY&MOBILIZATION: $ 1,703.42
ESC TOTAL: $ 7,381.50
COLUMN: A
Page 2 of 9
Unit prices updated: 02/12/02
Version: 04/22/02 ,
BONDQUANTITY.xIs Report Date:9/20/2011
Site Improvement Bond Quantity Worksheet Webdate 11/21/2005
Existing Future Public Private Quantity Completad
Right-of•Way Road Improvements Improvements (Bond Reduction)'
8 Drafna e Facilities Quant
Unit Price Unit Quant. Cost 4uant. Cost Quant. Cost Com lete Cost
ENERALITEMS Na
Backfill&Com 2ction-embankrnent GI-1 $ 5.62 CY 1200 6.744.00
Backfill 8 Com action-trench GI-2 $ 8.53 CY 400 3,412.00 600 5,118.00
Clear/Remove Brush,b hand GI-3 $ 0.36 SY
Clearin /Grubbin /Tree Removal GI-4 $ 8,876.16 Acre
Excavation-bulk GI-5 $ 1.50 CY 250 375.00
Excavation-Trench GI-6 $ 4.06 CY 400 1,624.00 600 2 436.00
Fencin cedar,6'hi h GI-7 $ 18.55 LF
Fencin ,chain link,vin I coated, 6'hi h GI-8 $ 13.44 LF
Fencin ,chain link, ate,vin I coated, 2 GI-9 $ 1 271.81 Each
Fencin ,s lit rail,3'hi h GI-10 $ 12.12 LF
Fill&com act-common barrow GI-11 $ 22.57 CY
Fill&com act- ravel base GI-12 $ 25.48 CY
Fill&com act-screened to soil GI-13 $ 37.85 CY
Gabion, 12"dee stone filled mesh GI-14 $ 54.31 SY
Gabion, 18"dee ,stone filled mesh GI-15 $ 74.85 SY
Gabion,36"dee ,stone filled mesh GI-16 $ 132.48 SY
Gradin ,fine,b hand GI-17 $ 2.02 SY
Gradin ,fne,with rader GI-18 $ 0.95 SY
Monuments,3'lon GI-19 $ 135.13 Each
Sensitive Areas Si n GI-20 $ 2.88 Each
Soddin , 1"dee ,slo ed round GI-21 $ 7.46 SY
Surve in ,line& rade GI-22 $ 788.26 Da
Surve in ,lot location/lines GI-23 $ 1,556.64 Acre
Traffic control crew 2 fla ers GI-24 $ 85.18 HR
Trail,4"chi ed wood GI-25 $ 7.59 SY
Trail 4"crushed cinder GI-26 $ 8.33 SY
Trail,4"to course GI-27 $ 8.19 SY
Wall,retainin ,concrete GI-28 $ 44.16 SF
Wall,rocke GI-29 $ 9.49 SF
Page 3 of 9 SUBTOTAL 5,036.00 14,673.00
Unit prices updated: 02/12/02
`KCC 27A authorizes only one bond reduction. Version: 4/22/02
BONDQUANTITY.xIs Report Date:9/20/2011
_ _ _ _ , _J �.� �___J _ '__- ' �---� ' �_.,� ,—.._,_� i --- � _
� �
Site Improvement Bond Quantity Worksheet Webdate: 11/21/2005
Existing Future Public Prlvate Bond Reduction"
Right-of-way Road Improvements Improvements
8 Dralna e Facilities Quant.
Unit Price Unit Quant. Cost Quant. Cost Ouant. Cost Com lete Cost
ROAD IMPROVEMENT No. �;�.��;� � � *� ' d�a,�� �� �
, �' �
_., _ , � ��
AC Grindin ,4'wide machine< 1000s RI-1
$ 23.00 SY
AC Grindin ,4'wide machine 1000-2000 RI-2 $ 5.75 SY
AC Grindin ,4'wide machine>2000s RI-3 $ 1.38 SY
AC Removal/Dis osallRe air RI-4 $ 41.14 SY
Barricade,t e I RI-5 $ 30.03 LF
Barricade,t e III Permanent RI-6 $ 45.05 LF '
Curb&Gutter,rolled RI-7 $ 13.27 LF
Curb&Gutter,vertical RI-8 $ 9.69 LF 200 1,938.00
Curb and Gutter demolition and dis osal RI-9 $ 13.58 LF
Curb,extruded as halt RI-10 $ 2.44 LF
Curb,extruded concrete RI-11 $ 2.56 LF
Sawcut,as halt,3"de th RI-12 $ 1.85 LF 1500 2,775.00
Sawcut,concrete, er 1"de th RI-13 $ 1.69 LF
Sealant,as halt RI-14 $ 0.99 LF
Shoulder,AC, see AC road unit rice RI-15 $ SY
Shoulder, ravel,4"thick RI-16 $ 7.53 SY
Sidewalk,4"thick RI-17 $ 30.52 SY 130 3,967.60 200 6,104.00
Sidewalk,4"thick demolition and dis os RI-18 $ 27.73 SY
Sidewalk,5"thick RI-19 $ 34.94 SY
Sidewalk,5"thick,demolition and dis os RI-20 $ 34.65 SY
Si n,handica RI-21 $ 85.28 Each 2 170.56
Stri in , er stall RI-22 $ 5.82 Each 12 69.84
Stri in ,thermo lastic, for crosswalk RI-23 $ 2.38 SF
Stripin ,4"reflectorized line RI-24 $ 0.25 LF
Page 4 of 9 SUBTOTAL 8,680.60 6,344.40
Unit prices updated: 02/12/02
'KCC 27A authorizes only one bond reduction. V2fSI0n: 4/22/02
BONDQUANTITY.xIs Report Date:9/20/2011
Site Improvement Bond Quantity Worksheet WPb`,`j`N ,,,2„2°°5
Exlsting Future Public Private Bond Reduction`
Ftight-of•way Road Improvements Improvements
&Draina e Fac(lities Quant.
Unit Price Unit Quant. Cost Quant. Cost Quant. Cost Com lete Cost
RO D S RFACING (4"Rock=2.5 base&1.5"top oaurse); For'93'KGRS 6,�"Rnak-6„base 8��.5"ta oourse
For KCRS'93, additional 2.5"base add: RS-1 $ 3.60 SY
AC Overla , 1.5"AC RS-2 $ 7.39 SY
AC Overla ,2"AC RS-3 $ 8.75 SY
AC Road,2",4"rock,First 2500 SY RS-4 $ 17.24 SY
AC Road,2",4"rock,Qt .over 2500SY RS-5 $ 13.36 SY
AC Road 3" 4"rock First 2500 SY RS-6 $ 19.69 SY 350 6,891.50
AC Road,3",4"rock,Qt .over 2500 SY RS-7 $ 15.81 SY
AC Road,5",First 2500 SY RS-8 $ 14.57 SY
AC Road,5",Qt .Over 2500 SY RS-9 $ 13.94 SY
AC Road 6",First 2500 SY RS-1 $ 16.76 SY
AC Road,6",Qt .Over 2500 SY RS-11 $ 16.12 SY
As halt Treated Base,4"thick RS-1 $ 9.21 SY
Gravel Road,4"rock, First 2500 SY RS-1 $ 11.41 SY
Gravel Road,4"rock,Qt .over 2500 SY RS-1 $ 7.53 SY
PCC Road,5",no base,over 2500 SY RS-1 $ 21.51 SY
PCC Road, 6",no base,over 2500 SY RS-1 $ 21.87 SY
Thickened Ed e RS-1 $ 6.89 LF
Page 5 of 9 SUBTOTAL 6,891.50
Unit prices updated: 02/12/02
'KCC 27A authorizes only one bond redur.tion. Ve�SIOn: 4/22/02
BONDQUANTITY xls Report Date:9/20/2011
Site Ir���roven��ent Bond Quantity U`Jorksheet
Existing Future Public Private Bond Reductlon*
Right-of-way Road improvements Improvements
&Dralna e Facilities Quant:
Unit Price Unit Quant. Cost Lluant. Cost Quant. Cost Com lete Cost
DRAINAGE (CPP=Corrugated Plastic Pipe,N12 or Equivalen�j �;, �or Culvert rice� Avera e of 4'cover was assum�cl;Asaume dorated PVG is same cg�s solld. i ,.,. ..3.%..„; ,
Access Road,R/D D-1 $ 16J4 SY
Bollards-fixed D-2 $ 240.74 Each
Bollards-removable D-3 $ 452.34 Each
' CBs include frame and lid
CB T e I D-4 $ 1,257.64 Each 6 7,545.84
CB T e IL D-5 $ 1 433.59 Each
CB T e II,48"diameter D-6 $ 2,033.57 Each
for additional de th over 4' D-7 $ 436.52 FT
CB T e II 54"diameter D-8 $ 2,192.54 Each
for additional de th over 4' D-9 $ 486.53 FT
CB T e II,60"diameter D-10 $ 2,351.52 Each
for additional de th over 4' D-11 $ 536.54 FT
CB T e II,72"diameter D-12 $ 3,212.64 Each
for additional de th over 4' D-13 $ 692.21 FT
Throu h-curb Inlet Framework Add D-14 $ 366.09 Each
Cleanout,PVC,4" D-15 $ 130.55 Each
Cleanout,PVC,6" D-16 $ 174.90 Each 10 1 749.00
Cleanout,PVC,8" D-17 $ 224.19 Each
Culvert,PVC,4" D-18 $ 8.64 LF 800 6 912.00
Culvert,PVC,6" D-19 $ 12.60 LF 100 1,260.00
Culvert,PVC, 8" D-20 $ 13.33 LF 720 9,597.60
Culvert,PVC, 12" D-21 $ 21.77 LF
Culvert,CMP,8" D-22 $ 17.25 LF
Culvert CMP, 12" D-23 $ 26.45 LF
Culvert,CMP,15" D-24 $ 32.73 LF I
Culvert,CMP,18" D-25 $ 37J4 LF �,
Culvert,CMP,24" D-26 $ 53.33 LF I
Culvert,CMP,30" D-27 $ 71.45 LF �I
Culvert,CMP,36" D-28 $ 112.11 LF I
Culvert,CMP,48" D-29 $ 140.83 LF I
Culvert,CMP,60" D-30 $ 235.45 LF ,
Culvert,CMP,72" D-31 $ 302.58 LF �
Page 6 of 9 SUBTOTAL 27,064.44 '�
Unit prices updated: 02/12/02
"KCC 27A authorizes only one bond reduction. VerSlon: 4/22/02
BONDQUANTITY.xIs Report Date:9/20/2011
Site Improvement Bond Quantity Worksheet Webdate: 11/21/2005
Exlsting Future Public Private Bond Reduction*
Right-of-way Road Improvements Improvoments �
DRAINAGE CONTINUED 1�Draina e Facilities Quant.
Nn. Unit Price Unit Quant. Cost Quant. Cost Quant. Cost Complete Cost
Culvert.Concrete,�" D-32 S 21.02 I_F
Culvert,Concrete, 12" D-33 $ 30.05 LF
Culvert,Concrete,15" D-34 $ 37.34 LF
Culvert,Concrete,18" D-35 $ 44.51 LF
Culvert,Concrete,24" D-36 $ 61.07 LF
Culvert,Concrete,30" D-37 $ 104.18 LF
Culvert Concrete,36" D-38 $ 137.63 LF
Culvert,Concrete,42" D-39 $ 158.42 LF
Culvert,Concrete,48" D-40 $ 175.94 LF
Culvert,CPP,6" D-41 $ 10.70 LF
Culvert,CPP,8" D-42 $ 16.10 LF
Culvert,CPP, 12" D-43 $ 20.70 LF
Culvert,CPP, 15" D-44 $ 23.00 LF
Culvert,CPP, 18" D-45 $ 27.60 LF
Culvert,CPP 24" D-46 $ 36.80 LF
Culvert,CPP,30" D-47 $ 48.30 LF
Culvert,CPP,36" D-48 $ 55.20 LF
Ditchin D-49 $ 8.08 CY
Flow Dis ersal Trench 1,436 base+ D-50 $ 25.99 LF
French Drain 3'de th D-51 $ 22.60 LF
Geotextile,laid in trench, ol ro lene D-52 $ 2.40 SY
Infiltration ond testin D-53 $ 74.75 HR
Mid-tank Access Riser,48"dia, 6'dee D-54 $ 1,605.40 Each
Pond Overflow S illwa D-55 $ 14.01 SY
Restrictor/Oil Se arator, 12" D-56 $ 1,045.19 Each
Restrictor/Oil Se arator, 15" D-57 $ 1,095.56 Each
Restrictor/Oil Se arator, 18" D-58 $ 1,146.16 Each
Ri ra , laced D-59 $ 39.08 CY
Tank End Reducer 36"diameter D-60 $ 1,000.50 Each
Trash Rack, 12" D-61 $ 211.97 Each
Trash Rack, 15" D-62 $ 237.27 Each
Trash Rack 18" D-63 $ 268.89 Each
Trash Rack,21" D-64 $ 306.84 Each
Page 7 of 9 SUBTOTAL
Unit prices updated: 02/12/02 I�
*KCC 27A authorizes only one bond reduction. Version: 4/22/02
BONDQUANTITY.xIs Report Date:9/20/2011
�
Site Improvement Bond Quantity Worksheet Webdate 11/21/2005
Exlsting Future Public Private Bond R�duction*
Right-of-way Road Improvements Improvements
&Draina e Facllitles Quant.
Unit Prico Unit quant. Price Quant. Cost Quant. Cost Com lete Cost
PARKING LOT SURFA ING ,:,,
No.
2"AC,2"to course rock&4"borrow PL-1 $ 15.84 SY
2"AC, 1.5" to course 8 2.5"base cour PL-2 $ 17.24 SY 300 5172
4"select borrow PL-3 $ 4.55 SY
1.5"to course rock 8 2.5"base course PL-4 $ 11.41 SY
__, .: �.;��....:
WRITE•IN•ITEM3 �'
��nv. "� � ' � -�, �,ti�
Such as detention/water ualit vaults. No.
4x4 Filterra WI-1 $11,000.00 Each 1 11,000.00
Permeable As halt WI-3 $ 30.00 SY 440 13 200.00
Area Drain WI-4 $ 750.00 Each 6 4,500.00
WI-5
WI-6
WI-7
WI-6
WI-9
wi-io
SUBTOTAL 33,872.00
SUBTOTAL(SUM ALL PAGES): 20,608.10 81,953.84
30%CONTINGENCY&MOBILIZATION: 6,182.43 24,586.15
GRANDTOTAL: 26,790.53 106,539.99
COLUMN: B C D E
Page 8 of 9
Unit prices updated: 02/12/02
`KCC 27A authorizes only one bond reduction. VerslOn: 4/22/02
BONDQUANTITY.xIs Report Date:9/20/2011
Site Improvement Bond Quantity Worksheet Webdate: 11/21/2005
Original bond computations prepared by:
Name: Peter Apostol Date: 9/20/2011
PE Registration Number: 35163 Tel.#: 206-957-8311
Firm Name: Springline Design
Aadress: 3131 Western Avenue Suite 501 Seattle, WA 98121 Pro)ect No: 10-047
ROAD IMPROVEMENTS 8 DRAINAGE FACILITIES FINANCIAL GUARANTEE REQUIREMENTS
PERFORMANCE BOND" PUBLIC ROAD&DRAINAGE
AMOUNT BOND"AMOUNT MAINTENANCE/DEFECT BOND"
REQUIRED AT RECORDING OR
Stabilization/Erosion Sediment Control (ESC) (A) $ 7,381.5 TEMPORARY OCCUPANCY`"`
Existing Right-of-Way Improvements (B) $ 26,790.5
Future Public Road Improvements&Drainage Facilities (C) $ -
Private Improvements (D) $ 106,540.0
Calculated Quantity Completed (E) $ -
Total Right-of Way and/or Site Restoration Bond'/** (A+B) $ 34,172.0
(First$7,500 of bond'shall be cash.)
Performance Bond*Amount (A+B+C+D) = TOTAL (T) $ 140,712.0 T x 0.30 $ 42,213.6 OR
irnmum on amoun is .
Reduced Performance Bond'Totai'"" (T-E) $ 140,712A
Use larger o x o or - (B+C)x
Maintenance/Defect Bond'Total 0.25= $ 6,697.6
NAME OF PERSON PREPARING BOND"REDUCTION: Date:
"NOTE: The word"bond"as used in this document means any financial guarantee acceptable to King County.
**NOTE: KCC 27A authorizes right of way and site restoration bonds to be combined when both are required.
The restoration requirement shall include the total cost for all TESC as a minimum,not a maximum. In addition,corrective work, both on-and off-site needs to be included.
Quantities shall reflect worse case scenarios not just minimum requirements. For example,if a salmonid stream may be damaged,some estimated costs for restoration
needs to be reflected in this amount. The 30%contingency and mobilization costs are computed in this quantity.
'" NOTE: Per KCC 27A,total bond amounts remaining after reduction shall not be less than 30%of the original amount(T)or as revised b major design changes.
SURETY BOND RIDER NOTE: If a bond rider is used,minimum additional performance bond shall be $ 106,540.0 (C+D)-E
REQUIRED BOND'AMOUNTS ARE SUBJECT TO REVIEW AND MODIFICATION BY DDES
ni ri u d ted: 2 12/02 II
Page 9 of 9 U t p ces p a 0 /
Check out the DDES Web site at www.metrokc.qov/ddes Version: 4/22/02
BONDQUANTITY.xIs Report Date: 9/20/2011 II
Appendix E
Declaration of Covenants
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CITY OR RENTON
1055 SOUTH GRADY WA�
RENTON, WA 98057
DECLARATION OF COVENAN'I�
FOR INSPECTION AND MAINTENANCE OF STORMWATER
FACILITIES AND BMPS
Grantor:
Grantee: City or Renton
Legal Description:
Additional Legal(s)on:
Assessor's Tax Parcel ID#:
IN CONSIDERATION of the approved City or Renton permit
for application file No.LUA/SWP relating to the real property("Property")
described above,the Grantor(s),the owner(s}in fee of that Property,hereby covenants(covenant)with
the City or Renton, a political subdivision of the state of Washington,that l�eishe(they) will
observe,consent to, and abide by the conditions and obligations set forth and described in Paragraphs 1
through 10 below with regard to the Property,and hereby grants(grant)an easement as described in
Paragraphs 2 and 3. Grantor(s)-hereby grants(grant),covenants(covenant),and agrees(agree)as follows:
1. The Grantor(s)or his/her(their)successors in interest and assigns("Owners") shall at their
own cost,operate,maintain, and keep in good repair,the Property's stormwater facilities and best
management praetices("BMPs")identified in the plans and specifications submitted to City of Renton
for the review and approval of pemut(s)#: . Stormwater facilities
include pipes, swales,t3nks,vaults,ponds,and other engineered structures designed to manage
storn�water on the Property. Stormwater BMPs include dispersion and infiltration devices, nati�e
vegetated areas,permeable pavements,vegetated roofs,rainwater harvesting systems,reduced
impervious surface coverage, and other measures designed to reduce the amount of storm�vater runoff on
thc Propcm�.
2. City or Renton shall have the right to in�ress and e�ress over those portions of the Property�
necessary to perform inspections of the stormwater facilities and BMPs and conduct other activities
specified in this Declaration of Covenant and in accordance with RMS 4-6-030. This right of ingress a��d
egress,right to inspect,and right to perform reyuired maintenance or repair as provided for in Section 3
below, shall not extend over those portions of the Property shown in Exhibit"A."
3. If City of Renton determines that maintenance or repair work is required to be done to an} of
the stormwater facilities or BMPs,City of Renton shall give notice of the specific maintenance and,-or
repair work required pursuant to RMC 4-6-030. The City shall also set a reasonable time in which such
work is to be completed by the Owners. If the above required maintenance or repair is not completed '
within the time set by the City,the City may perform the required maintenance or repair, and hereby is
given access to the Property,subject to the exclusion in Paragraph 2 above,for such purposes. Written
notice will be sent to the Owners stating the City's intention to perform such work. T'his work will not
commence until at least seven(7) days after such notice is mailed. If,within the sole discretion of the
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City,there exists an imminent or present danger,the seven(7)day notice period will be waived and
maintenance and/or repair work will begin immediately.
4. If at any time the City of Renton reasonably determines that a stormwater facility or BMP on
the Property creates any of the hazardous conditions listed in KCC 9.04.130 or relevant municipal
successor's codes as applicable and herein incorporated by reference,The Cit}y may take measures
specified therein.
5. The Owners shall assume all responsibility for the cost of any maintenance or repair work
completed by the City as described in Paragraph 3 or any measures taken by the City to address
hazardous conditions as described in Paragraph 4. Such responsibility shall include reimbursement to the
City within thirty(30)days of the receipt of the invoice for any such work performed. Overdue
payments will require payment of interest at the current legal rate as liquidated damages. If legal action
ensues,the prevailing party is entitled to costs or fees.
6. The Owners are hereby required to obtain written approval from City of Renton prior to
filling,piping, cutting, or removing vegetation(except in routine landscape maintenance)in open
vegetated stormwater facilities(such as swales, channels,ditches,ponds,etc.),or performing any
alterations or modifications to the stormwater facilities and BMPs referenced in this Declaration of
Covenant.
7. Any notice or consent required to be given or otherwise provided for by the provisions of this
Agreement shall be effective upon personal delivery,or three (3) days after mailing by Certified Mail,
- return receipt requested.
8. With regard to the matters addressed herein,this agreement constitutes the entire agreement
between the parties,and supersedes all prior discussions,negotiations, and all agreements whatsoever
whether oral or written.
9. This Declaration of Covenant is intended to protect the value and desirability of the real
property described above,and shall inure to the benefit of all the citizens of the City of Renton and its
successors and assigns. This Declaration of Covenant shall run with the land and be binding upon
� Grantor(s), and Grantor's(s') successors in interest, and assigns.
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l0. This Declaration of Covenant may be terminated by erecution of a written agreement by the
Owners and the City that is recorded by King County in its real property records.IN WITNESS
WHEREOF,this Declaration of Covenant for the Inspection and Maintenance of Stormwater Facilities
and BMPs is executed this day of ,20
GRANTOR, o�vner of the Property
GRA�ITOR, o��-ner of the Propert}�
STATE OF VVASHINGTON )
COUNTY OF K1NG jss.
On this day personally appeared before m�:
,to me known to be the individual(s)described in �
and who executed the within and foregoing instrument and acknowledged that they si�ned the same as
their free and voluntary act and deed, for the uses and purposes therein stated.
Given uncler mv hand and official seal thi� da�r of . �'p
Print��i n�in��_�
Notary Put
residing at
My appointment expii
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RECORDING REQUES7'ED BY AND '
WHTN RECORDED MAIL TO:
CITY CLERK'S OFFICE
CI'TY OF RENTON '
1055 SOUTII GRADY WAY �
RENTON, WA 98057
DECLARATION OF COVENANT ;
,
FOR MAINTENANCE AND INSPECTION OF FLOW CONTROL BMPS
�
Grantor: '
Grantee:City of Renton
Legal Description:
Additionai Legal(s)on:
Assessor's Tax Parcel ID#:
IN CONSIDERATION of the approved City of Renton(check one of the following)❑ residential
building permit, ❑ commercial building permit,0 clearing and grading permit,❑ subdivision pennit,or
❑ short subdivision permit for Application File No.LUA/SWP relating to the
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rcai property("Property")described above,the Grantor(s),the owner(s)in fee of that Property,liereby j
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covenants{covcnant}with City or Rento��,a political sL�bdivision ofthe statc of Washington,that
he�she(they)�,vill observe,cansent to,and abide by the conditions and obligations set fortlt and described j
,
i�l Yaragt•aphs 1 tlu-ough 8 below with regard to the Property. Grantor(s)Ilereby grants(grant),
covenants(covenant},a�id agrees(agree)as follows: I
1. Grantor(s)or hislher(their)successors in interest and assigns("Owners")shall retain,uphold,
anc� protect the stormwater management devices, features,pathways,limits,and restrictions,known as. �
tlow contro}best management practices ("BNIPs"),shown on the approved Flow Control BMP Site Plan I
for thc Property attached hereto and incorporated herein as Exl�ibit A.
2. The Owners shall at tl�eir own cost,operate,maintain,and keep in good repair,the Property's I
[3N1Ps as described in the approved Design and Maintenance Details for each BMP attached hereto and
incorporated herein as E�ibit B. �
3. City or Rentvn shall provic]�at ]east 30 days�vritlen notice to the Owners that entry on the �
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Property is planned for the inspection of the BMPs. After the 30 days,dle Owners shall allow the City of
Rcnton to enter for the sole purpose of inspecting the BMPs. In lieu of inspection by the City,the i
Owners may elect to engage a licensed civil engineer registered in the state of Washington who has
expertise in drainage to inspect the BMPs and provide a written report describing their condition. If the j
engineer option is chosen,the Owners shall provide written notice to the City of Renton���ithin fifteen
d�_ys of receiving the City's notice of inspection. Within 30 days of giving this notice,the Owners,or the
enginccr on bchalf of the Owners,shall provide the engineer's report to the City of Renton. If tl�e report �
is not provided in a timely manner as specified above,the County may inspect the BMPs without further I
notice.
4. If the City determines from its inspection,or from an engineer's report provided in accordance
ti�-ith Paragraph 3,that maintenance,repair,restoration,and/or mitigation���ork is required far the BMPs,
The City shall notify the Owners of the specific maintenance,repair,restoration,and/or mitigation work
(Work)required under RMC 4-6-030. The City shall also set a reasonable deadline for completing the
��ork or providing an engineer's report that verifies completion of the Work. After the deadline has
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passed,the O�vners shall allo�v the City access to re-inspect the BMPs unless an engineer's report has
been provided verifying completion �f the�'��ork. If the work is not completed properly within the time
fi�ame set by the City,the City may initiate an enforcement action. Failure to properly maintain the BMPs j
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is a violation of RMC 4-6-030 and may subject the Owners to enforcement under the RMC 1-3, including
flnes and penalties. '
. �. AparE from perfonning routine landscape maintenauce,the Owners are her.eby required to
obtain��ritten approval from the City or Renton before performing any alterations or modifications to the
BI�-tPs.
6. Any notice or approval required to bc given by one party to the other under the provisions of
�
this Declaration of Covenant shall be effective upon personal delivery to the other party, or after three(3) !
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days fi•om the date that the notice or approval is mailed with deiivery confirmation to the current address
on record with each Party. The parties shall notify each other of any change to their addresses. I
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7. This Declaration of Coveilant is intended to promote the efficient and effective management of ;
;
surface water drainage on the Property,and it shall inure to the benefit of all the citizens of the City of i
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Renton and its successors and assigns. This Declaration of Covenant shall run with the]and and be
binding upon Grantor(s),and Grantor's(s'}successors in interest and assigns.
S. This Declaration of Covenant may be terminated Uy execution of a written agreement by the
Owners and the City ofRentori that is recorded by King County in its real property records. I
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1�1 W ITNESS WHEREOF,this Declaration of Covei�ant for the Maintenance and lnspection of
Flo��Controi BMf's is executed this day oT , ?�
GR,1N'[�OR, o���ner of the Property
GRANTOR, owner of the Property
STATE OF WASHINGTON )
COUNTY OF K1NG }ss.
I
On this day�ersonally appeared before me: I
,to me kno���n to Ue the individual(s)described in I
and who executed the within and foregoing instrument and acknowledged that they signed the same as �
their free and volunta�y act and deed, for the uses and purposes therein stated.
Given under my hand a�1d official seal ihis day of , 20
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Printed name
Notary Public in and for the State of Washington, I
residing at
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My appointment expires
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a � . . . . � . 2. KL MURK 44�LL BE IN ACCORDMICE MiH pil'OF RENTON SfANDAR05 NO REOUR�IENiS
- -- -- -- - � � -- - s � � 3. SWIfARt SIDE SENERS SINIC BE CONSIRUCIfO IN ACCORMNCE WI1F1 CIIY OF REMON
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6'E 313.90 DONESTC NAER SQMCE SS POC I .�._ I � i,;; • ,- ' I� 4.._. `iHRlSi�.BLOCKING
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� E StS50 INDIGTOR VALVE ON NORTHERN YECH PIANS(TYPJ I I :� � � &11LDWG.PRWIDE REWMiED fTfTNGS � � � 5 •;.__
WNl PER YECH.D1MCS 15'WATERLIHE
� � I I ` I P� , FDC POC � .� I '� --- FASENENT• 0 CLEANWf e ' _- _- -_ 6'STORd DRMI
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� BEFORE YOU DK3! �"�E��i�o�,��`i T���� �T� ��
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EXHIBIT A - FLOW CTRL BMP SITE PLAN CivilEngineering � SlteDevelopme�t � Trensportetion
3CALE 1' � 20� 3131 Westem Avenue,Suite 501 ph 206 957 8311
Seattle,WA 98121 fax 208 957 8313
www.springlinellc.com
Glenwood Townhomes Declaration of Covenant
EXHIBIT B
1. The Glenwood Townhomes project located at 1147 Glenwood Ave NE contains
stormwater management flow control BMPs (best management practices) as
required on the approved construction drawing # R-#### on file with the City of
Renton. This Plan shall be submitted with the application for any building permit. A
flow control BMP site plan showing the location of flow control BMPs was submitted
to the City for review and approval as part of the City's Buifding Permit application
review and approval process. A copy of the flow control BMP site plan is on file with
the City of Renton. The flow control BMPs required for the project include basic
dispersion and the per�ious pavement. Maintenance of the flow control BMPs
constructed on this site is the responsibility of the property owners.
2.. The site contains a stormwater management flow control BMP (best management
practice) known as basic dispersion to mitigate for 520 SF square feet of roof area.
Basic dispersion is a strategy for minimizing the area disturbed by development (i.e.,
impervious or non-native pervious surfaces, such as concrete areas, roofs, and
lawns) relative to native vegetated areas (e.g., forested surface) together with the
application of dispersion techniques that utilize the capacity of vegetated areas to
mitigate the stormwater runoff quantity and quality impacts of the developed
surfaces. This flow control BMP has two primary components that must be
maintained: (1j the devices that disperse runoff from the developed surfaces and (2)
the vegetated area downstream of the dispersion device. The location of the
dispersion device and vegetated flow path on the site is shown on the flow control I
BMP site plan that was submitted to the City as part of the Building Permit �
application review and approval process. The BMP constructed on the site may not ,
be changed without written approval from the City of Renton or through a future
development permit from the City of Renton. Maintenance of the BMP used for
basic dispersion is the responsibility of the property owner.
3. The site contains a stormwater management flow control BMP (best management
practice) known as "pervious pavement". The location of the pervious pavement is
shown on the flow control BMP site plan that was submitted to the City as part of
the Building Permit application review and approval process.The pervious pavement
flow control BMP must be maintained by the lot owner and may not be changed
without written approval from the City of Renton or through a future development
permit from the City of Rent�n. Maintenance of the perforated pipe connection
BM P is the responsibility of the property owner.
4. Maintenance and operations of the private conveyance systems shown in the
approved construction drawing# R-#### on file with the City of Renton are the
responsibility of the praperty owner.
i
__J�s�:���Il�r�:�l f'=��)
RECUIZ131NG KE(lU�;STED BY AND i
Vl'HEN RECORDED NIAI[. TO:
CITY CLERK'S OFFICE
CITY OF RENTON
1055 SOUTH GRf1llY WAY ;
REN'1'�N, WA 98057
DECLARATION OF COVENANT �
PROHIBITING USE OF L�ACHABLE METALS ��
�
G rantor:
Grantee:City of Rcnton ;
Legal Description:
�
Additionaf Legal(s)on:
Assessor's Tax Parcel tD#: �
IN CONSIDERATION of the approved City of Renton permit for �
application fi[e No. LUA/SWP relating to real property legally described
above,the undersigned as Grantor(s),declares{declare)that the above described property is hereby I
established as having a prohibition on the use of leachable metals on those portions of the property
�
Attachment "C"
Legal Description
� �_
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� -
Tax lot 7227801375- 1147 Glenwood A��enue NE
Per old republic title&escrow statutory warranry deed dated July 27,2004 and filed in King County,
Washin�ton under recording number 200=�0730001485.
Lot 9,block 42,corrected plat,Renton highlands no.2,according to the plat thereof recorded in volume 57
of plats,pa�e 92,records of King County,Washington.
Tax lot 7227801380-1139 Glenwood Avenue NE
Per Chicago title insurance company statutory warranty deed dated December 15,2009 and filed in King
County,Washington under recording number 20091216000370.
Lot 10,block 42,conected plat of Renton highlands no.2,according to the plat thereof recorded in volume
57 of plats,page(s)92 through 98,inclusive,in King County,Washington.
Tax lot 0923059080-1132 Edmonds Avenue NE
Per Chicago title insurance company statutory warranty deed dated November 4,2003 and filed in king
county,Washington under recording number 2003 1 1 12000983.
The sout6 half of the west half of the northwest quarter of the northwest quarter of the northwest quarter of
section 9,township 23 north,range 5 east,Willamette meridian, in King County,Washington
Except the south 75 feet thereof,
Except the�vest 30 feet thereof for Edmonds Avenue Northeast.
e�posed to the�ve�ather for the purpose of limiting metals in stonma�ater i�ows and is subject to
the following restrictions. �
The Grantor(s}hereby covenants(covenaut)and agrees(agree)as follows: no leacl�abie metal
surfaces exposed to tl�e weather�-ill be allowed on the prope►-ty. Leacl�able metal surfaces means a
surface area that consists of or is coated with a non-ferrous metal that is soluble in water. Common �
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' leachable metal s�irfaces include,but are not limited to,galvanized steel roofing,gutters,�flashing,
downspouts,guardrails,light posts,and capper roofing. City of Rentot�or its municipal successors sha11
ha��e a nonexclusive perpetual acccss eascanent on the Property in order to ingress and egess over tl�e
Property for the sole purposes of inspecting aud monitoring thaf�to leachable metal is prese�lt on the
Property.
This easemenU'restriction is binding upon thc Grantor(s}, its heirs,sEiccessors,and assigns u�lless
or until a ne��drainage or site plan is re��iewed and appro��ed b_y tl�e Cit}�c�f Renton or its successor. �
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W WITNESS WHEREOF,this Declaration of Covenant is executed this day of
,20 �
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GRf1NTOR,owner of the Property �
GRANTOR, owner of the�'roperty
STATE OF WASHiNGTON )
COUN`I'Y OP KING )ss.
On this day personally appeared before me:
,to me kno��n to be the individual(s)described in
and who executed the within a�id foregoing instrumei�t and acknowledged that they signed the same as
their free and voluntary act and deed,for the uses and purposes therein stated.
Given under my hand and official seal tl�is day of .20
Printed name �
Notary Yublic in and for the State of Washington, �
residing at ,
My appointmet�t expires I
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Attachment "A"
Legal Description
Tas lot 7227801375-114?Glenwood Avenue NE ��
Per old republic tit(e&escrow statutory warranty deed dated July 27,2004 and filed in King Counry, ��I
Washington under recording number 20040730001485.
Lot 9,block 42,corrected plat,Renton highlands no.2,accordin�to the plat thereof recorded in �olume 5?
of plats,page 92,records of King County, Washinaton.
Tax lot 7227801380-1139 Glenwood A��enue NF.
Per Chicago title instuance company statutory��•arranty deed dated December I5,2009 and filed in King
County,Washington under recvrding number 200912160003?0.
Lot 10,block 42,corrected plat of Renton highlands no.2,according to the plat thereof recorded in volume
57 of plats,page(s)92 through 98,inclusive,in King Counh�,���ashin��ton.
Tax lot 0923059080-1132 Edmonds Avenue NE
Per Chicago title insurance company statutory warranty deed dated November 4,2003 and filed in king
county,Washington under recording number 2003 1 1 12000983.
The south half of the west balf of the northwest quarter of the northwest quarter of the northwest quarter of
section 9,township 23 north,range 5 east,Willamette meridian,in King County,�5/ashington
Except the south 75 feet thereof,
Except the�yest 30 feet thereof for Edmonds Avenue\ortheast.
Appendix F
Operation and Maintenance Manual
n��l�E�.:vu�x n h�,a��T�f�:�vnNci: iti�:��u�aE�:��i��_u�rs F-<�iz E��.o���c�n�rEwi.,coNVL��n�cL,.nv�w��-�,�ct�i�rit�s
NO. 3—DETENTION TANKS AND VAULTS
Maintenance Defect or Problem Conditions When Maintenance is Needed Results Expected When
Component Maintenance is Performed
Site Trash and debris Any tresh and debris which exceed 1 cubic foot Trash and debris cleared from site. I
per 1,QDQ square feet(this is about equal to the
amount of trash it would take to fill up one I
standard size office garbage can). In general. '
lhere should be no visual evidence of dumping.
�
Noxious weeds Any noxious or nuisance vegetation which may Noxious and nuisance vegetation
I constitute a hazard to County personnel or the removed accordirg to applicabfe
public. regulations. No danger of noxious
vegetation where County personnel
' or the public might normally be.
i
Contaminants and Any evidence of contaminanfs or pollution such Materials removed and disposed of j
poliution as oil,gasoline,concrete slurries or paint. according to applicabie regulations. '
Source control BMPs implemented if �
appropriate. No contaminants
present other than a surface oil film.
Grass/groundcover Grass or groundcover exceeds 18 inches in Grass or groundcover mowed to a
height. height no greater than 6 inches.
Tank or Vault Trash and debris Any trash and debris accumulated in vault or tank No trash or debris in vault.
Storage Area (includes floatables and non-floatables). �
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Sediment Accumulated sediment depth exceeds 10%of the All sediment removed from storage
accumulation diameter of the storage area for%z length of area.
storage vault or any point depth exceeds 15%of
diameter. Example:72-inch storage tank would
require cleaning when sediment reaches depth of
7 inches for more than%length of tank.
Tank Structure Plugged air vent Any blockage of the vent. Tank or vault freely vents.
� Tank bent out of Any part of tanklpipe is bent out of shape more Tank repaired or replaced to design.
shape than 10%of its design shape.
Gaps between A gap wider than%rinch at the jant oi any fark No water or soil entering tank
secfions,damaged sections or any evidence of soil particles entering through joints or walis.
joints or cracks or the tank at a joint or through a wall.
tears in wail
Vault Structure Damage to wall, Cracks wider than Yz-inch,any evidence of soil Vault is sealed and structurally
frame,bottom,and/or entering the structure through cracks or qualified sound.
top slab inspection personnel determines that the vault is
not structurally sound.
trleUOutlet Pipes Sediment Sediment filling 2Q%or more of the pipe. InfeUoutlet pipes dear of sediment.
accumulation
Trash and debris Trash and debris accumulated in inlet/outlet No trash or debris in pipes.
pipes(includes Floatables and non-floatables}.
Damaged Cracks wider than'/�-inch at the joint of the No cracks more than'/,-inch wide at
inlet/outlet pipes or any evidence of soil entering the joint of the inleUoutlet pipe. i
at the joints of the inleUoutlet pipes.
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2009 Surface VVatcr DesiEn Manual—Appendix A 1l9/2009
A-5 j
APPL-NDIX A :v1AINTENANCE REQU[REMEN"fS FLOW CONTROL,CONt��YANCE,AND WQ FAC]LITIES �
NO. 3-DETENTION TANKS AND VAULTS i
Maintenance defect or Problem Conditions When Maintenance is Needed Results Expected When �
Component Maintenance is Performed
Access Manhole Coverllid not fn place Cover/lid is missing or only partially in place. Manhole access covered.
Any open manhole requires immediate
maintenance.
Locking mechanism Mechanism cannot be opened by one Mechanism opens with proper tools. �
not working maintenance person with proper tools.Bolts �
cannot be seated. Self-locking cover/lid does not
work.
Coverllid difficuli to One maintenance person cannot remove Covedlid can be removed and �f
remove cover/lid after applying 80 Ibs of lift. reinstalled by one maintenance f
person.
Ladder rungs unsafe Missing rungs,misalignment,rust,or cracks. Ladder meets design standards.
Allows maintenance person safe
access.
Large access Damaged or di�cult Large access doors or plates cannot be Replace or repair access door so it
doors/plate to open opened/removed using normal equipment. can opened as designed.
Gaps,doesn't cover Large access doors not flat and/or access Doors close flat and covers access
completely opening not completely covered. opening completely.
Lifting Rings missing, Lifting rings not capable of lifting weight of door Lifting rings sufficient to lift or
rusted or pla+,e. _ remove door or plate. _ i
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119l2009 2009 Surface Water Design Mannal—Appendix A
�-6 iI
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\I'I'L�UIX ;A ht�A1��[�LN:�ti('I� RG(��I;IRL\4l�_1�'�Tti FOR FLCl1�t-C�uV fRC)L,C'OV�'1�1',AVCI�.,�N[)�I'l) F;�CII.1�IlGS
NO.4-CONTROL STRUCTUREIFLOW RESTRICTOR
� Maintenance Defect or Problem Condition When Maintenance is Needed Results Expected When
Component Maintenance is Performed
Structure Trash and debris Trash or debris of more than Yz cubic foot which No Trash or debris blocking or
is located immediately in front of the struciure potentially blocking entrance to
openi�g or is blocking capacity of the structure by siructure. �
more than 10%.
Trash or debris in the sVucture that exceeds'!, No trash or debris in the structure.
the depth irom the bottom of basin to invert the
lowest pipe into or out of the basin.
Deposits of garbage exceeding 1 cubic foot in No condition present which would
volume. attract or support the breeding of
insects or rodents.
Sediment Sediment exceeds 60%of the depih from the Sump of slrucfure contains no
boltom of the structure to 1he invert o(!he lowest sediment.
pipe into or out of the structure or the bottom of
the FROP-T section or is within 6 inches of the
invert of the lowest pipe into or out of the
structure or the bottom of the FROP-T section.
Damage to frame Corner of frame extends more than'/.inch past Frame is even with curb.
and/or top slab curb face into the street(If appliqble).
Top slab has holes larger than 2 square inches or Top slab is free of holes and cracks.
cracks wider than Y,inch.
Frame not sitting flush on top slab,i.e., Frame is sitting Flush on top slab.
separation of more than'/.inch of the frame from
the top slab.
Cracks in walls or Cracks wider than Y:inch and longer ihan 3 feet, Structure is sealed and structurally
bottom any evidence of soil partiGes entering strudure sound.
( through cracks,or rnaintenance person judges
that structure is unsound.
Cracks wider than'/�inch and longer ihan 1 foot No cracks more than'/4 inch wide af
at the joint of any inlet/ouUet pipe or any evidence the joint of inleUoutlet pipe.
� of soil particles entering structure through cracks.
SettlemenU Structure has settled more than 1 inch or has Basin replaced or repaired to design
misalignment rotated more than 2 inches out of alignment. standards.
Damaged pipe joints Cracks wider than Yz-inch at the joint of the No cracks more than Y.-inch wide at
inleUoutlet pipes or any evidence of soil entering the joint of inleUoutlet pipes.
the structure at the joint of the inleUoutlet pipes.
Contaminants and Any evidence of coniaminants or pollulion such Materials removed and disposed of
pollution as oil,gasoline,concrete slurries or paint. according to applicable regulations.
Source control BMPs implemented if
appropriate. No contaminants
present other than a surface oil film.
Ladder rungs missing Ladder is unsafe due to missing rungs, Ladder meets design standards and
or unsafe misalignment,rust,cracks,or sharp edges. allows maintenance person safe
access.
FROP-T Section Damage T sec6on is not securely attached to structure T section securely attached to wall
wall and outlet pipe structure should support at and outlet pipe.
Ieast 1,000 Ibs of up or down pressure.
Struclure is not in upright position(allow up to Structure in correct position.
10%from plumb).
Connections to outlet pipe are not watertight or Connections to outlet pipe are water
show signs of deteriorated grout. fight;sVucture repaired or replaced
and works as designed.
Any holes—other than designed hofes—in the Structure has no holes other than
� structure. designed holes.
Cleanout Gate Damaged or missing Cleanout gate is missing. Replace cleanout gate.
2009 Surface Water Design Manual—Appendix A 1/9/2009
A-7
:1YPL'NUI\;A f�t:AIN"I LiN�WC'1{R[�.QUIRL'A�IGNTS FL(�«�CU\71LUL.CUNVIiY�AtiCEi,:�Nll 1��(� F�\C'II.IT]ES
NO. 4-CONTROL STRUCTURE/FLOW RESTRICTOR �
Maintenance Defect or Probiem Condition When Maintenance is Needed Results Expected When
Component Maintenance is Performed
Cleanout gate is not wateRight. Gate is watertight and works as I
designed.
Gate cannof be moved up and down by one Gate moves up and down easiiy and
maintenance person. is watertight
Chainlrod leading to gate is missing or damaged. Chain is in place and works as
� designed.
; Orifice Pla[e Damaged or missing Control device is not working properly due to Plate is in place and works as I
missing,out of place,or bent orifice plale. designed. , I
� Obstructions Any trash,debris,sediment,or vegetation Pfate is free of all obstructions and
� blocking the plate. works as designed. ,
Overflow Pipe Obstructions Any trash or debris blocking(or having the Pipe is free ot all obstruc6ons and '
potential of blocking)the overilow pipe. works as designed '
Deformed or damaged Lip of overflow pipe is bent or de(ormed. Overflow pipe does not allow
lip overflow at an elevafion lower than
design
InIeUOutlet Pipe Sediment Sediment filling 20%or more of the pipe. InleUoutlet pipes clear of sediment.
accumulation
Trash and debris Trash and debris accumulated in inleUoutlet No trash or debris in pipes.
pipes(includes floatables and non-floatables).
Damaged Cracks wider than Yrinch at the joint of the No cracks more than Y.-inch wide at
inleUoutlet pipes or any evidence of soil entering the joint of the inleVoutlet pipe.
at the joints of the inlet/outlet pipes.
Metal Grates � Unsafe grate opening Grate with opening wider than'/e inch. Grate opening meets design
(If Applicable) standards.
I Trash and debris Trash and debris that is blocking more than 20% Grate free of trash and debris.
of grate surface. footnote to guidelines for disposal
Damaged or missing Grate missing or broken member(s)of the grate. Grate is in place and meets design
standards. I
Manhole Cover/Lid CoverAid not in place CoverAid is missing or only partially in place. Cover/lid protects opening to
Any open structure requires urgent structure.
malntenance.
Locking mechanism Mechanism cannot be opened by one Mechanism opens with proper tools , �
Not Working maintenance person with proper tools.Bolts
cannot be seated. Self-locking coverAid does not
woric.
Coverllid difficult to One maintenance person cannot remove Cover/lid can be removed and �
Remove cover/lid after applying 80 Ibs.of lift. reinstalled by one maintenance
person.
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1;9/2009 2009 Surface Watcr l)csign Manual-nppcndix A I
n-x
APPENDIX A MAINTENANCL RLQUIREML'NTS FOR FLOW COt�ITROL,CONb'P.YANCE,AND WQ FACII.ITIES
; NO. 5-CATCH BASINS AND MANHOLES
Maintenance Defect or Problem Condition When Maintenance is Needed Results Expected When
Component Maintenance is Performed
Structure Sediment Sedimenl exceeds 60%oi the depth from the 5ump of catch basin contains no
bottom of the catch basin to the invert of the sediment.
lowest pipe into or out of the catch basin or is
within 6 inches of the invert of the lowest pipe
into or out of the catch basin. i
Trash and debris Trash or debris oF more than%cubic foot which No Trash or debris blocking or
is located immediately in front of the calch basin potentially blocking entrance to ;
opening or is blocking capacity oi the catch basin catch basin.
by more than 10%.
Trash or debris in the catch basin that exceeds No trash or debris in the catch basin.
'/,the depth from the bottom of basin to invert the
lowest pipe into or out of the basin.
Dead anima�s or vegetation that could generate No dead animals or vegetation
odors that could cause complaints or dangerous present within catch basin.
gases{e.g.,methane).
Deposits ot garbage exceeding 1 cubic foot in No condition present which wouid
volume. attract or support the breeding of
insects or rodents.
Damage to frame Comer of frame extends more than'/,inch past Frame is even with curb.
and/or top slab curb face into the street(If applicable).
Top slab has holes larger than 2 square inches or 7op slab is free of holes and cracks.
cracks wider than Y,inch.
Frame not sitting flush on top slab,i.e., Frame is sitting flush on top slab.
separation of more than'/<inch of the frame from
the top slab.
� Cracks in walls or Cracks wider lhan Yz inch and longer than 3 feet, Catch basin is sealed and
bottom any evidence of soil particies entering catch structurally sound.
basin through cracks,or maintenance person
judges that catch basin is unsound.
Cracks wider ihan%inch and longer than 1 foot No cracks more than'/,inch wide ai
at the joint of any inleUouUet pipe or any evidence the joint of inleUoutlet pipe.
of soil particles entering catch basin through
cracks.
SettlemenU Catch basin has settled more than 1 inch or has Basin replaced or repaired to design
misalignment rotated more than 2 inches out of alignment. standards.
Damaged pipe joints Cracks wider than%-inch at the joint of the No cracks more than'/.-inch wide at
inleUouUet pipes or any evidence of soil entering the joint of inlet/outlet pipes.
the catch basin at the joint of the inleUoutlet
pi pes.
Contaminants and Any evidence of contaminants or pollution such Materials removed and disposed of
pollution as oil,gasoline,concrete slurries or paint. according to applicable regulations.
Source control BMPs implemented if
appropriate_ No contaminants
present other than a surface oil film.
InIeUOutlet Pipe Sediment Sediment filling 20%or more of the pipe. InleVoutlet pipes clear of sediment.
accumulation
Trash and debris Trash and debris accumulated in inleUoutlet No trash or debris in pipes.
pipes(includes floatables and non-floatables).
Damaged Cracks wider than'/sinch at the joint of the No cracks more than'/,-inch wide at
inleVoutlet pipes or any evidence of soil entering the joint of the inlet/outlet pipe.
at the joints of the inleUoutlet pipes.
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2009 Surface Water Design Manual—Appendix A I/912009
A-9
API'ENDIX A ViA[NTENANCE REQUIRF.MGNTS FLOW CONTROI.,CONVLYANCL,AND WQ FACILITIES
NO. 5-CATCH BASINS AND MANHOLES
Maintenance Defect or Problem Condition When Maintenance is Needed Results Expected When
Component Maintenance is Performed
Metal Grates , Unsafe grate opening Grate with opening wider than'!e inch. Grate opening meets design (
(Catch Basins) � standards.
Trash and debris Trash and debris that is blocking more than 20% Grate free of trash and debris.
� of grate surface. footnote to guidelines for disposal I
I � Damaged or missing Grate missing or broken member(s)of the grate. Grate is in place ard meets design �
Any open structure requires urgent standards. ,
maintenance. '
Manhole CoverlLid Goverllid not in place Cover/lid is missing or only partially in place. Cover/lid protects opening to �
Any open structure requires urgent structure.
maintenance.
Locking mechanism Mechanism cannot be opened by one Mechanism opens with proper tools.
Not Working maintenance person with proper tools.Bolts
cannat be seated. Self-locking coverAid does not
work.
Coverliid difficult to One maintenance person cannot remove Cover/lid can be removed and �
Remove coyer/lid after applying 80 Ibs.of lift. reinstalied by one maintenance �
person.
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1!9/2009 2009 Surface Water Design Manual—Appcndix A �
A-10
;�I'PL•VI)I\r� 5�1�AIN"1�1�:N:1N<'L Itl:(�IiIIRE�1�:n�TS�OR E LU1��CO�'1�R01..COhVL'Y;1vC'L.AND VJ(�l F:AC'ILITIES
NO. 6- CONVEYANCE PIPES AND DITCHES
- ;
� Maintenance Defect or Problem Conditions When Maintenance is Needed Results Expected When
; Component Maintenance is Performed
( Pipes Sediment 8�debris Accumulated sediment or debris that exceeds Water(lows freely through pipes.
accumulation 20%of the diameter of the pipe.
Vegetation/roots Vegetationlroots that reduce free movement of Water flows freely through pipes.
water through pipes. �
Contaminants and Any evidence of contaminants or pollution such Materials removed and disposed of
pollution as oil,gasoline,concrete slurries or paint. according to applicable regulations.
Source control BMPs impiemented if
appropriate. No contaminants
present other than a surface oil film.
Damage to protecfive Protective coating is damaged;rust or corrosion Pipe repaired or replaced.
coating or corrosion is weakening the structural integrity of any part of
pipe.
( Damaged Any dent that decreases the cross section area of Pipe repaired or replaced.
pipe by more than 20%or is determined to have
weakened structural integrity of the pipe.
' Ditches Trash and debris Trash and debris exceeds 1 cubic foof per 1,000 Trash and debris cleared from
square feet of ditch and slopes. ditches.
�
Sediment Accumulated sediment that exceeds 20%ot the Ditch dear.ed/tlushed of all sediment '
accumulation design depth. and debris so that it matches design.
Noxious weeds Any noxious or nuisance vegetation which may Noxious and nuisance vegetation
constitute a hazard to County personnel or the removed according to applicable
public. regulations. No danger of noxious
vegetation where County personnel
or the public might normally be.
, Contaminants and Any evidence of contaminants or pollution such Materials removed and disposed of
' pollution as oil,gasoline,concrete slurries or paint. according to applicable regulations.
Source control BMPs implemented if
i appropriate. No contaminants
present other than a surface oil film.
IVegetation Vegetation that reduces free movement of water Water ifows freely through ditches.
I through ditches.
Erosion damage to Any erosion observed on a ditch slope. Slopes are not eroding.
sfopes
Rock lining out of One layer or less of rock exists above native soil Replace rocks to design standards.
place or missing(If area 5 square feet or more,any exposed native
Applicable) soil.
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2009 Surface Water Design Manual—Appendix A 1/9/2�09
A-I I
APPENDIX A MAWTI�NANCE REQUIItEA-tI?NTS FLOVV CO\TKOL,CONVGYANCE,AND WQ FACILITIES
NO. 7-DEBRIS BARRIERS (E.G., TRASH RACKS)
Maintenance Defect or Problem Condition When Maintenance is Needed Results Expected When �
Component Maintenance is PerFormed.
Site Trash and debris Trash or debris plugging more than 20%of the Banier clear to receive capacity flow. I
area of the barrier.
Sediment Sediment accumulation of greater than 20%of Barrier clear to receive capacity flow.
accumulation the area of the barrier I
Structure Cracked broken or Structure which bars ariached to is damaged- Siructure barrier attached to is
loose pipe is loose or cracked or concrete structure is sound.
cracked,broken oi loose.
Bars Bar spacing Bar spacing exceeds 6 inches. Bars have at most 6 inche spacing_ I
Damaged or missing Bars are bent out of shape more than 3 inches. Bars in place with no bends more
bars than'/+inch.
Bars are missing or entire barrier missing. Bars in place according to design.
Bars are loose and rust is causing 50% Repair or replace barrier to design
deterioration to any part of barrier. standards.
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ll9/2009 2009 3urface N�'atcr i)esign Nianual—A�pendix A
A-]2
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.�I'PF�:ND1X A MAIN7�F-.NANC�KLQUIR�MENTS FOR FLOW COVTROL,CONVEYANCE,AND�i,'Q FACILITI�S �
NO. 8- ENERGY DISSIPATERS '
� Maintenance Defect or Problem Conditions When Maintenance is Needed Results Expected When �
I I
Component , Maintenance is Performed.
Site Trash and debris Trash and/or debris accumulation. Dissipater dear of trash and/or � ',
debris. ? '
Contaminants and Any evidence of contaminants or pollution such Materials removed and disposed of '
pollution_ as oil,gaso(ine,concrete slurries or paint. according to applicable regulations. ',
Source control BMPs-implemented if
appropriate. No contaminants
present other than a surface oit film.
Rock Pad Missing or moved Oniy one tayer af rock exists above native soil in Rock pad prevents erosion.
Rock area five square feet ar larger or any exposure of
native soii.
Dispersion Trench Pipe plugged with Accumutated sediment thai exceeds 20%of the Pipe cleaned/flushed so that it
sediment design depth. matches design.
Not discharging viater Visual evidence of water discharging at Water discharges from feature by
properly concenfrated points along trench(normai sheet flow.
condition is a"sheet flow"of water along trench).
Perforations piugged. Over 1!4 of perforations in pipe are plugged with Perforations freely discharge flow.
debris or sediment.
Water flows out top of VJater flows out of distributor catch basin during No flow discharges irom distributor
"distributor'catch any storm less than the design storm. catch basin.
basin.
Receiving area over- Water in receiving area is causing or has No danger of Iandslides_
saturated poten6al of causing landslide problems.
Gabions Damaged mesh Mesh of gabion broken,twisted or deformed so Mesh is intact,no rock missing.
structure is weakened or rock may fall out.
� Corrosion Gabion mesh shows corrosion through rnore than All gabion mesh capable of
'/.of its gage. containing rock and retaining
designed form.
Collapsed or Gabion basket shape deformed due to any All gabion baskets intact,structure
deformed baskets cause. stands as designed.
Missing rock Any rock missing that could cause gabion to No rock missing.
Eoose structural integrity.
Manhole/Chamber Worn or damaged Structure dissipating flow deteriorates to Yz or Structure is in no danger of failing.
post,baHles or side of original size or any concentrated worn spot
chamber exceeding one square foot which would make
structure unsound.
Damage to wall, Cracks wider than Yz-inch or any evidence of soil Manholelchamber is sealed and
entering the structure through cracks,or
frame,bottom,andlor structurally sound.
top slab maintenance inspection personnel determines
that lhe structure is not structurally sound.
Damaged pipe joints Cracks wider than Yz-inch at the joint of the No soi!or water enters and no waler
inleUoutlef pipes or any evidence of soil entering discharges at the joint of inlet/outlet
the structure at the joint of the inleUouklet pipes. p�Pes.
(
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2009 Surface Water Design Manual—Appendix A 1/9/2009
A-13
r1PPI�:Nt)1?�i1 �tAIN 1'ENnNCL ItlQU1KP.��fI:N"I S FLOW CONTROL,('ONVEYANCE,AND 1VQ F�1CII.ITlES
NO. 11 -GROUNDS (LANDSCAPING} �
Maintenance Defect or Problem Conditions When Maintenance is Needed Results Expected When
Component Maintenance is Performed
Site Trash or litter Any trash and debris which exceed'I cubic foot Trash and debris cleared from site. I
per 1,000 square feet(this is about equal to the
amount of trash it would take to fill up one
standard size office garbage can). In general,
there should be no visual evidence of dumping. �
�
Noxious weeds Any noxious or nuisance vegetation which may Noxious and nuisance vegetation
constitute a hazard to County personnel or the removed according to applicable
public. regulations. No danger of noxious
vegetation where County personnel I
or the public might normally be.
Contaminanls and Any evidence of contaminants or pollution such Materials removed and disposed of
pollution as oil,gasoline,concrete slurries or paint. according to applicable regulations. �
Source control BMPs implemented if
appropriate. No contaminants
present other than a surEace oil film.
Grass/groundcover Grass or groundcover exceeds 18 inches in Grass or groundcover mowed to a I
height. height no greater than 6 inches.
Trees and Shrubs Hazard Any tree or limb of a tree idenlified as having a No hazard trees in facility.
potential to fall and cause property damage or
threaten human life. A hazard tree identified by i
a qualified arborist must be removed as soon
as possible.
Damaged Limbs or parts of trees or shrubs that are split or Trees and shrubs with less than 5%
broken which affect more than 25%of the total of total foliage with split or broken
foliage of the hee or shrub. limbs.
Trees or shrubs that have been blown down or No blown down vegetation or
knocked over. knocked over vegetation. Trees or
shrubs free of injury. I
Trees or shrubs which are not adequately Tree or shrub in place and
suppo�ted or are leaning over,causing exposure adequately supported;dead or
of the roots. diseased trees removed.
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I/912009 2009 Surface Water Desig�blanuai—Appendix A I
A-16
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� rerra ���
Maintenance I
Simple maintenance of the FilterraR' is required to continue effective pollutant removal from ��
stormwater runoff before discharge into downstream waters. This procedure will also extend the '
longevity of the living biofilter system. The unit will recycle and accumulate pollutants within
the biomass, but is also subjected to other materials entering the throat. This may include trash,
silt and leaves etc. which will be contained within the void below the top grate and above the
mulch layer. Too much silt may inhibit the Filterra's�' flow rate, which is the reason for site
stabilization before activation. Regular replacement of the mulch stops accumulation of such
sedinlent. �
Americast includes a 1-year maintenance plan ���ith each system purchase. Annual maintenance
consists of a maximum of two (2) scheduled visits. The start of the maintenance plan begins
���hen the system is activated for full operation. Full operation is defined as the unit installed,
curb and gutter and transitions in place and activation (by Supplier) when mulch and plant are
added and temporary throat protection removed . Activation cannot be carried out until the site is
fully stabilized (full landscaping, grass cover, final paving and street sweeping completed).
I�-taintenance visits are scheduled seasonally; the spring visit aims to clean up after winter loads
including salts and sands. The fall visit helps the system by removing excessive leaf litter.
Some sites may be subjected to extreme sediment or trash loads, requiring more frequent
maintenance visits. This is the reason for detailed notes of maintenance actions per unit, helping
the Supplier and Owner predict future maintenance frequencies, reflecting individual site
conditions.
Owners must promptly notify the (maintenance) Supplier of any damage to the plant(s), which
constitute(s) an integral part of the bioretention technology. Owners should also advise other
landscape or maintenance contractors to leave all maintenance to the Supplier (i.e. no pruning or
fertilizing).
Exclusion of Services
It is the responsibility of the owner to provide adequate irrigation year around to the plant of the
Filterra� system.
Clean up due to major contamination such as oils, chemicals, toxic spills, etc. will result in
additional costs and are not covered under the Supplier maintenance contract. Should a major
contamination event occur, the Owner must block off the outlet pipe of the Filterra�' (where the
cleaned runoff drains to, such as drop-inlet) and block off the throat of the Filterra'�. The
Supplier should be informed immediately.
?�;�=��.��r��r www.filterra.com
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Extended Maintenance Contracts
� rerra�
Extended maintenance contracts are available from the Supplier. Contact Americast for details
and pricing.
Maintenance Visit Summary
Each maintenance visit consists of the following simple tasks(detailed instructions below).
A. Filterra�unit inspection
B. Foreign debris, silt, mulch &trash removal
C. Filter media evaluation and recharge as necessary
D. Plant health evaluation and pruning or replacement as necessary
E. Replacement of mulch
F. Disposal of all maintenance refuse items
G. Maintenance records updated and stored(reports available upon request)
Maintenance Tool List '
Ideal tools include a camera, gloves,bucket, shovel,broom,pruners,hoe/rake and tape measure.
Most visits require only replacement mulch. Three bags of shredded hardwood mulch are used
per unit (on a standard 6x6' size).
Some visits may require additional Filterra'�engineered soil media avaiIable from the Supplier.
Maintenance Visit Detail
A. Filterra�'unit inspection
Record individual unit before maintenance��ith photograph (numbered).
Record on Maintenance Report(see example in this document)the following:
Standin Water Y/N
Dama e to Box Structure Y/N
Dama e to Grate Y/N
Is B ass Clear Y/N
Notes
If yes answered to any of these observations,record with close-up photograph
(numbered).
?�;�y;��-� www.filterra.com
B. Forei�n debris, silt, mulch &trash removal
� rerra
Remove metal grates for access into Filterra"'� bc�x.
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Remove the mesh that protects the mulch layer, taking care to a� ' .: ��
the mesh and the plant.
Dig out silt(if any) and mulch and remove trash & for�
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Record on 1�4aintenance Report the following:
Silt i Cla Y/N
Cu s/Ba s Y,/N
Leaves Y/N
#Buckets Removed #
Notes
C. Filter media evaluation and recharge as necessary
After removal of mulch and debris, measure distance from the top of the Filterra�
engineered media soil to the bottom of the top slab. If this distance is greater than
I 2", add Filterra'�' media(not top soil or other)to recharge to a 9" distance.
Record on Maintenance Report the following:
Distance to Bottom of To Slab inches
Buckets of Media Added #
D. Plant health evaluation and pruning or replacement as necessary
Examine the plant's health and replace if dead.
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Record on Maintenance Report the following:
� rerra
Hei ht above Grate feet
Width at Widest Point (feet)
� Health Alive�Dead
Dama e to Plant Y/N
Plant Re laced Y,'N
Notes
E. Replacement of Mulch
Add shredded hardwood mulch across the entire unit to a depth of 3".
Replace the protective mesh carefully over the plant.
Ensure correct position of erosion control stones by the Filterra�'inlet.
Replace Filterra'�grates correctly.
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F. Disposal of all maintenance refuse items
I Clean area around unit and remove all refuse to be disposed of appropriately.
I G. Maintenance records u dated and stored re orts available u on re uest
i Deliver Maintenance Report and photographs to appropriate location (normally
� Americast during maintenance contract period). Some jurisdictions may require
submission of maintenance reports in accordance with approvals. it is the
responsibility of the Owner to comply«�ith local regulations.
' ��iis;r?� � www.filterra.�om
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Filterra0 Project Maintenance Order
Project
Address
Directions
Project Company
Owner Contact Name
Telephone#
Owner Notified
of Mtce on(date} ,
Filterra Units on this Order
Total Units on this Project
'Date of Maintenance�� ��� y � � �
,
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peparture Time ��� �. ._�__ �� �'�. , � ��`�
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# of Worker� ; ��, £�
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12114/04
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! Filterra0 Structure Maintenance Report
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Project Structure Number
Plant Type Structure Size �
Date GPS �
Pre Mtce Photo#
Initial Observations i
Standing Water Y N Damage to Grate Y N
IF Yes, STOP NOW&call 804-798-6068 Is Bypass Clear Y N
Notes
Damage to Box Structure Y N
If YES to an observation take close u hoto
Waste II
Silt/Clay Y N Buckets Removed (#of) ',
Cups/Bags Y N Notes '
Leaves Y N
Other
Media
Distance to Bottom of Top Slab(in.) Notes
Buckets of Media Added (#of)
Mulch
Netting Replaced Y N Bags of Mulch Added (#ofl
Stones Replaced Y N Notes
Plant #1 #2 #1 #2 ;
Height above Grate (feet) Plant Replaced Y/N ' Y 1 N
Width at Widest Point(feet) Notes
Health Alive(Dead AEivefDead
Damage to Plant Y(N Y! N
If YES to lant dama e take close u hoto
Other Notes
(use back if necessary)
12/14/04
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Appendix G
Geotechnical Renort
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REPORT OF GEOTECF-�1ICAL INVESTIGATION �
PROPOSED RESIDENTIAL DEVELOPMENT
EDMONDS AND GLENNWOOD AVB NB
RENTON,WA
SBcEE JOB NO. 1010 '
JAN UARY 10,2011
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ia�a�r S&E� �
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SOIL&FNVIRONMENTAL bTIGINEERS,IIvC.
16625 Redmond�Vav,Suite M 124.Redmond.�Vashington 9l3052.(425 B68-5868
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January 10,26l ti
Mr.Mark Gropper(mrg@rentonhousing.org)
Renton Housing Authority
Renton,WA
CC: Mr.Joel Ing(Joeli@s�elterre.sourcesinc.com)
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Report of Geotechnical Investigation
Proposed Residential Developmcnt
Edmonds and Glennwood Ave NE
Renton,Washington
Dear Mr.Gropper:
We are pleased to present herewith our Report of Geotechnical fnvestigation far the referenced project. Our
services were authorized by Mr.Joel Ing on Aub st 26,2010,and havc been provided in accordance with
our proposal dated August 16,2010. During tlle course of our investigation,the design added the multi-
family building at the southweslern portion of thc site. Since this building may include one to two levels of
underground parking,we suggested a supplemental exploeation pro�am which includes 2 soil test boring,s.
"Chis addit'sonal work was approved by you on September 20,2010.
We appreciate the opporh,nity to provide our services. Should you have any question regarding ihe contents
of this report or require additional information,please call.
��o�w�3, Very trvly ynurs, I
c SOIL&ENVIRONi1�NTAL h'NGINF,ERS,INC.
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�ONAL�G C.J.Shin,Ph.D.,P.E.
President
�yVOV• 20/L�
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TABLE OF CONTENTS +
Section p_a8e �
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l.0 1NTRODUCTION...».......................................................................................................................................... 1 �
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2.0 SCOPE UF SERVICES................................................................................................................................._....2�
3.0 51TE CONDITIONS......................................................................................»....................................................2 �
3.1 SURFACE CONDITIONS.................................................................................................................................2
3.2 PUBLISHEDGEOLOGICINFOKMATION....................................................................................................3
3.3 TEST P1T AND BORING FiIYDlNGS..............................................................................................................3
3.4 GROUNDWATER......................................................:......................................................................................4
4.0 C�NCLUSIONS A1VD RECOMMF.NDATIONS..:.................. i
4.1 GENERAL........................................................................................................................................................5
4.2 FOUNDATION SUPPORT...............................................................................................................................5
43 F_.XCAVAT[ON SHORING.................................................._...................,...................._.....................,............7
4.4 LATF.RAL EARTH PRESSURES ON PERMANETIT RETAlNING WALLS................................................. 8
4.5 S1TE PREPt1RAT10N,STRUG'I'URAL F�LL AND DRA[t�IAGE..........................................•••••................._._. I 0
4.6 SLAB-ON-GRADE........................................................_............................_..............................,..................... 11
4.7 FLEXIBLE PAVEMCNT................................................................................................................................ 11
4.8 TEMPORARY AI�IQ P6(tMANENT EXCAVATIONS..................••-........._._._........................,...................... 12 j
4.9 SE[SM]C CUNS[DERATIONS............................ . ..... 12 �
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4.10 ADDITIQNAL SEkVICES...........................................................,................----.......................................... 13 ;
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f�IGUIZE 1:SI"I'E LUCA"i'30N viAP I
I�IGURE 2:SITE AND EXPLORATION PLAN
FIGURE 3:WALL AND FOUNDAT[O[�DRAINS I
FIGURE 4:LATERAL EARTH PRESSURES FOR CANTILEVER SHORING WALLS
FIGURG 5:CALCULATION OF SURCHARGE LOADS ON 5UB-SURFACE WALLS
FIGURE 6: UNDER-SLAB DRAIN
APPENDIX A: FIELD EXFLORATION,LOGS,SOIL CLASSLFICATION CHART
t1ND KEY TO BORiNG LOGS
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REPORT OF GEOTEC�INiCAL INVF,STIGATION
YltO�'OSED D�VELC}PME�T AT FDb10NDS AND GLENNWOOD AVE NE �"
RENTOI�1,WA.SHllVGTON �'
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Renton Housing Aut6ority I
1.0 INTRODUCTION
i
We present in this report the results of our geotechnical investigation for the project. The sitc is located I
batween Edmonds Avenue NE and Glennwood Avenue AIE in Aenton. A site location map is shown in �
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Fi�ure 1 which is included at the end of this reporL We u�de�stand that the p��oject will have tr�e following �
elements and they may be canstructed in phases. i
1} A inultifamily building in the south-western portion of the site. The building will be a 3 or 4-
story, wood-framed structure with one or two levels of underground parking. This base►nent will
required a maximum excavation of about l0 to 20 feet betow the current site grade_ Basement
excavation will likely be achicvcd with a combination of opcn cut and excavation shoring_
2) A mulrifamily building i❑ the mid portion of the site. 1'he 6uilding may be a 4-story, wood-
framed structure and have one (evel parking basement daylighting to the west. The basement wiil �
I
required a maximum excavation of about 10 feet below the current site grade. Basement excavation
will likely be achieved with open cut.
l
3) Two townhome buildings (3 and 5 units) and surFace parking in the eastern portion of the site. �
The buildings will be 3-story, wood-framed structures. No basement is proposed and cut-and-rlt is
expected to be minimal.
4) A new access road connecting Edmonds Avenue NE and Glennwood Avenue NE. j
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Based on our experience with similar buildings,we anticipate that the ma�cimum column and waU loads
will be on the order of 75 kips and 5 kips per lineal foot,respectively.
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z.o scoP�or s�RVTCEs
"i'he purpose of our study is to develop geotechnical recommendations regarding site development and
foundation support. SpecificalSy,our services included:
l. Exploration of soil and groundwater conditions underlying the site by the excavation of 6 test pits
and the drilling of two soil test boriiigs. �
2. Kecommendations regardii�g type of foundation support, I I
3. Recomrnendations regarding construction shoring_
4_ Recorrunendalic>ns regardin�;active and at-rest earth pressures io be used for the clesibn uCany retainiug
sfrUctures.
5. Kecommendations regarding passive soil resistance and cnefficient of friction for thc resistance of
1 ateral loads.
G_ Recommendations regarding ternporaiy and permaizent cut slopes. I
7. Rec;ommendations regarding suPport for slab-on-grade. �
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8. Reco�nmendations rcgarding pavement design.
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9. Kecommendations regarding type of soil for seismic desi�,m. �
10. Recommendatior►s regarding site preparation, including removal of unsuitabie soils,suifability of onsite
soils for use as fill,fili placement techniqucs,and compaction criteria.
11. Five copies of a written geotechnical report containing a site plan, exploralion logs, a description of
subsurface conditions,and our findings and recommendations.
3.0 SIT'�CONDITIONS
3.1 SURFACE CONI31'I'IONS �
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Tl�e site is located in a residential area. A rockery wall, about 10 to 12 feet in height, flanks t11e western � '
site boundary along Gdmonds Avenue N�. From the top of this wall eastward, the sife grade rises with � ��
about 10-to l5-percent slopes to the mid portion of the site. From there to Glennwood Avenue NG, the
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. , site grades rise gently flt abouf 5 to 10 percents. At thc time of our field exploration, an existing �
townhome occupicd the southeastem portion of ihe site and the rest of the areas are vacant. Site surface ;
is covered with sparse trees,brushed and grass lawn. I
3.2 PUBLIS�IED GEOLOG[C INPORMATION
Published geologic infomtation(Geologic Map nf The Renton �hsadrangle,King Counry, YVashington by
D.R Mi�llineaux, 1965)indicates that tf�e site arca is underlain by glacially deposited recessional outwash
(Qpa). According to the map,the material consists chiefly of sand and gavel.
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33 TEST P1T AND BORING FIND[NGS
'f'he soil conditions underlying the site were explored by the excavation of 6 test pits,TP-1 through TP-6 on
August 27,2010 and the drilling of 2 soil test borings,li-1 and B-2 on October 28,2010. The approximate
loc:ations of these e�lorations are shown an Figure 2 which is included at the end of this report. Details of
the exploration program and the logs are ineluded in Appendix A. The subsurface conditions are described
in the following paragraphs: '
Area of the Proposed East Townhome Buildin�s(TP-1 and TP-6) �r
'I7ie area is covered with about one foot of topsoil tnixed with loose fill soil. The soil is underiain
by a su�cial layer that consists of a brown silty sand with trace amount of gravel and cobblcs. The
layer is about 2 to 3.5 feet ihick a�id the material is loose to medium dense.
The surficial layer is in turn underlain by a silty sand with gravel and cobbies. This soil is
cemented and 'ss dense to very densc. Based on its appearance and density, we believe this is
giacially deposited tiIl or commonly term hardpan. Both TP-1 and TP-6 wcre terminated ii�tilL �
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Area of the Proposed Multifamily Buildin�in Mid-Portion of Site(TP-2 to TP-5) �
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The subsurface conditions here are similar to the above except that the surficial layer is about 2 feet i
thick and a sandy soil was found be[ow the tifl layer at TP-3. This sand is dense and includes silt �
lenscs. I
�o tor�c 3 S&EE
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Area of the Pro�osed Multifamilv Buildin�iii Southwestern Portion of Site(B-I and B-2�
1'he subsurface conditions here include a I.5-foot thicEc topsoil layer over a surficial layer that is1.5 I
to 6.5 feet in thickness. This layer is medium dense to dense and overlies very dense glacial till.
The till ss in tum underlain by a stiff to very stiff silt at depths from 15 to 25 feet below the ground �
surface. Both borings encountered very dense glaciai till below the silt. The borings were
tertninated at a depth of 30 feet in till. I
3.4 GROUNDWATER I
Only minor(about l/1 DO gallon per minute) groundwater seepage was encountered in TP-3. The
seepage occurred at a depth of 10 feet and appeared to perch over the relatively impermeable silt I
lens. Wet soils were also encountered just above the silt layer in Boring B-1. Based on our
experience with the similar soil conditions,we beiieve that groundwater may perch on the refatively j
impermeab(c silt in the wet winter months. The depth of the perched ground�vater table may vary
with season and precipitation.
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4.0 CONCLUSIONS AND RECO�iNIENDATiONS
4.1 GENERAL
1. Based on our investigation, �ve recommci�d that the proposed buildings bc supported by
conventional spread footings. Please note that loose to medium dense si{ty soils are present near
the ground surface. If#hesc materials are exposed at the footing subgrade, it must be properly
prepared prior to concrete pour. Atso, the soils near the ground surface are generally toose and
very si(ty. These soils �vill lose th�ir strength when wet and become muddy when disturbed.
Therefore, earthwork will be difficult in the wet winter months as wet soil cannot be used for
backf►11,export of wet soil will be expensive,and crosion control will be difficulf.
2. Min�r groundwatcr seepage was encountered at a depth of 10 feet at TP-3. Based on this, we
believe that the need of construction dewatering is unlikely. However,some tocalized wet zone
may be exposed by basement excavation. For planning purposes,we recommend that under-slab I
drains be considered for basements. The purposes of these drains are to provide a steb(e work
basc and prevent future wet floor. !
3. Except for thc existing fili seil, the vnsite soils are suitable for use as structural �II materiaL �
However,mest of the soils are silty in nature and will reguire moisture-conditioning prior io use. �
Details of our recommendations are presented below.
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4.2 FOUNDATION SUPPORT
We recommend that the proposed buildings be supported by conventional spread footings which must
penetrate the existing fil(and be founded on at least medium dense native soiis or re-compacted onsite soils.
Recommendation details are presented below.
I'ooting Construction
1. Prior to r�bar and concretc placement, all footing bearing surfaces mast be cleaned of loose soils.
Except for gtacial#ill, the upper 12 inches of the footing subgrade soil should be re-compacted to at
least 95%of its maximum dry density as determined using AS1'M D-1557 test procedures.
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2. Al{ existin� fil[, wet, soft and orgattic soils encountered at footing subgrade shouid be over-
excavated. Tl�e over-excavation should be backfilled with structural fill, conerete or compacted
crushed rock. The criteria of s#ruciural fill are presented in Section 4.5 of this report. I
3. All exterior footings should be founded at feast 18 inches below the adjacent finished grade to i
provide proteetion against frost action, and should be at least 18 i:�ches in width to f'aciiitate
construction.
4. All Footing bearing surfaces must be inspected by a qualified�eotechnical enginecr prior to re-bars
and concrete placements. The engineer should confirm the bearing capacity of the subgrade soil, I
and pruvide recomn�endations:-egarding i•cpair, if necessaiy.
Allowabte Bearin_Loads ''
Ne recommend the following al(owahle bearing pressures for the foolin�designs: ,
Footings at depths less than 5 feet from final grade:3,000 pounds per square fcot{ps fl i
Foofrngs at depths greater than 5 feet from final grade:4,504 pounds per square foot(psf}
The above bearing capacity values inciude a factor of safety of at least 3, and can be increased by one-third j
for wind and seismic loads.
Settlement
Interior column footings designed in aecordance with the above recommendations are expected to
experience approximafely 1/2 inch of settlement. Continuous wall footings should experience settlement of
about i/4 to 1/2 inch. Differential settlement between adjacent footings is expected to be about 1/4 inch. E
The settlement wil)occur rapidly,essentially as the loads are zpplied.
Lateral Resisfance 'i
Lateral resistance can be obtained from the passive earth pressure against the footing sides and the friction ,
at the contact of the footing bottom and bearing soil. The former cnn be obtained using an equivalent fluid
density of 250 pounds per cubic foot(pc fl,and the latter using a coefticie�rt of friction of 0.5. These values
include a safety factor of 1.5.
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4.3 EXCAVATION SIIORING �
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F,xcavation for basements n�ay be achieved with a combination of temporary cut slope and shoring. The
temporary cut should be na steeper tlian IH:iV (Horizontal to VerticaI). We recommend that ihe sl�oring !
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be consisted of cantile�er soldier pile with timber lagging. "Che soldier pi(es will co�zsist of stee]H-beams
i❑ drilled and grouted lioles. As the excavation proceeds,timber lag�ing is insta]led beiwcen the H-beams.
The voids behind thc lagging must be filled with sand or pea gravel the same day lagging is instal[ed. Un- i
filled voids may result in ground settlement behind Sagging and thus severe damages to the neighboring �
buildin�s and pr�perties.
A permanent wall should be constructed in front of the iemporary shorin�wall. Drainage is provided by
the inseallation of a geotextile drain mat attached to tlie shoring wall. The drain mat should be
hydraulically connected to an interior fooling drain by 2-inch diameter weep pipes that are spaced at 5
fcet on center. (See Figure 3 for details)
LATERAL LOAllS AND I2ESISTANCE5
Figure 4 shows our recommended ear[h pressures for the design of cantilever shoring walls. tldditional I
� lateral earth pressures will result from fout�dation loads adjacent to the excavation; surcharge loads by
tra�c, storage and slopes next to the excavation. Tl�e lateral earth pressure due to foundation toads can be �
estimated using the method presented in Figure 5. Trat�ic and storage surcharges can be accounted for by �
incrcasing the effcctive height of the wall by 2 feet. Slope surcharges can be accounted for by increasing
the effective height of the wall to equ�l 1/2(one-ha1#}of the height of the slope.
LAGGING DESIGN �
For shoring areas that are not adjacent to existing buildings,lagging can be designed using 50 percent of the
latera(earth pressures presented above. Such stress reduction is due to the anticipated soil arcl�ing effects.
No reduction should be used for shoring adjacent to any neighboring building.
SHORIl�FG MONTTORING
A shoring monitoring program should be installed to verify the performance of the shoring system and to
evaluate any possible excavalion effects on tl�e adjacent buildings and properties. Prior to the excavation,
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the existing conditions of the adjacent buifdings and properties shouid be photographed and recorded.
ARer the installation of the soldier piles ancl before mass excavation, a base line survey should be
conducteci. Once excavation begins, the veetical and horizontal movements of every other pile should be
surveyed on a weekly basis. The weekly survey should continue untif the bottoms of excavations are
reached. Depending on the shoring performance and the construction season,the geoteehnical engineer may i
choose to relax the survey frequencies. Ali survey results should be transmitted to the o�ce of the project
geotechnical engineer within 24 hours after they are obtained.
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4.4 LATERAL EAIt'1'H PRESSURES ON PERMANEN'I'RETAININ('�WALLS �
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Lateral earth pressures on pennanent retaining walls, underground vaults or utility trenches/pits, and
resistance to lateral loads may be estimated using the recommended soil parameters presented in the
following table_
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_ Coefficient
-� _ _ Equivalent F1uid.Unit Wetght-(PCF`) •� of-' '
,. . :
_ , .: i
- 'Friction
_ '` � - - ,� � " _ :z at$ase
`
AUrve Af-rest ` ' P�ssive �
. . '. F." �'�-,t.:.. _ -_....:,::' �. .- '= : _,-:` . �...'-= r-�_ �c . , '
Structural fill and 40 50 3�0 0.5
native soils
Note:Hydrostatic pressures are not included in the above lateral earth pressures. I
The at rest case applies to unyielding walls, and would be appropriate for walls that are structurally
restrained from Iateral deflection such as basement walls,utility trenches or pits. The passive earth pressure
and coefficient of friction inctude a safety factor of 1.5. The active case applies to wa(ls that are permitted
to rotate or translate away fi-om the retained soil by approximately 0.002H to O.Q04H,where E-I is tl�e height
of the wall.
SURCHARGE IIdDUCED LATERAL LOADS
1) Additional lateral earth pressures wi11 result from surcharge loads from floor slabs or puvements for
parlcing that are located immediately adjacent to the walls. The surcharge-induced lateral earth
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' pressures are uniform over the depth of tlie�vaiL Surcharge-induced lateral pressw�es for the"active" �
case may be cafculatcd by rnultiplying the applied vertical pressure (in ps� by the active earth '
' pressure coefficient (Ka). The value of Ka may be ta4cen as 0.4. The surel�arge-induced ]aferal
pressures for the "at-rest"case are similarly calculated using a�i at-rest earth pressure coefficient(Ko)
of 0.5. For surcharge loads that are not adjacent to the watl, the induced fateral earth pressure wil}
depend on the magnitude of the surcharge and the distance from the wall. Such induced lateral load �
can be estimated using the equations shown on Figure 5.
2) "I'he stope-induced lateral earth pressure can be accounted f�r by increasing the effective height of the j
wall by one-half the slope iieight. For back slope continues beyond a horizontal distance equal to the �
height of the wall,only the part of slope-rise within this horizontal distance should be considered. i
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3) The traffic-induced lateral earth pressure can be acconnted for by increasing thc effective wall heigbt
by 2 feet.
SFISMIC INDUCED LATERAL LOADS I
Seismic induced lateral ;oads can be assumed to act at 0.7 H above the wa31 base and the magnitude can �
be calculated using the fol(owing equation:
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Pe =3/8*�y"Hz*a i
Where Pe = seisrnic-induced lateral load
-f = soil density= 130 pcf
H = wall height I
a = horizontal acceleration
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BACKFILL IN FRONT(�F RETAINING WALLS ;
Bacl�►II in front of the wal} should be structural fill. The material and compaction requirements are
presented in Section 4.5 of this report. The density of the stnictural fill can be assumed to Ue 130 pounds
per cubic feet_
BACKFILL BEHIND R�TAINING WALLS i
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Backfill behind the wall should be free-draining materiais which are typically granular soils containing less
than 5 percent fines(silt and clay particles)and no particles greater than 4 inches in dsametcr. The densily
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of the backFll rnateria! can be assumed to be l25 pounds per cubic feet. The backfill material should be
placed in 6 to 8-inch thick horizontal lifts and compacted to at least 90 percent of the maxirnum density in
accordance with ASTM D-1557 test procedures. Li the areas where the GIl will snpport pavement,sidewalk
or slabs,the top two feet of the backfill should be compacted to at least 95 pereent of the maximum density.
Care must be taken when compacting backfill adjacent to retaining wAlls, to avoid creating excessive �
pressure on the wall.
DRAINAGE BEHIND RETAINING WALLS I
Rigid, perforated drainpipes should be installcd behind retaining walls. Drainpipes should be al lc�st 6 ;
inches in diameter,covered by a laycr of unifonn size drain gravel of at least 12 inches in thickness,and be
connected to a suitable discharge location. An adequate number of cleanouts should be installed along the
drain line ior future maintenance. I
4.5 SI"I'r PRF.PARATION, STRUCTURAL FILL.AND DRAINr1GF, '
Site preparation should begin witt� proof-rolfing s�:hgrades using heavy construction equipment. Area� I
which are found to be wet, soft, or organic should be over-excavated. The geotechnical engineer shouid
observe the proof-rolling to provide subgrade evaluation and avcr-excavation requirement,if needed
After stripping,over-excavation v�d exeavation to the design grade,the top 12 inches of exposed subgrade
soils should be re-compacted to at least 95%of their maximum dry density as determined using ASTM D- I
1557 test procedures(Modified Proctor test}. Struciural fill can then be pfaced in the over-excavation and
fill areas. I
The structural fill materials should rneet both the material and compaction requircments presented below. '
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Material Requirements: Structurai fill sfiould be free of organic and frozen material and should
consist nf hard durable particles, such as sand, gravel, or qaarry-processed stone. Except for the I
existing fill,the on-site soils aze suitable for siructural fill. Due to their silty nature,these so'sis are
moislure-sensitive and should be moisture-conditioned to +/- 2% from their optimum moisture I
contents prior to use. Please note that the use of this materiai in wet seasons may be difficult.
Suitable imported structura.l fill materials include silty sand, sand, rnixture of sand and gravel I
{pitrun�,and crushed rock.
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All structural fill material should be approved by tlic geotechnical engineer prior to use ,
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Placement and Compaction Requirements: Stntctural fill should be placed in loose horizontaf lifls !
not exceeding a thickciess of 6 to 12 inches,depending on the material type,compaction equipment,
and nurnber of passes made by the equipment. Structural fill should be cornpacted to at least 95%
of the tnaximum dry density as determined using the ASTM D-1557 lest procedures.
S1TE DRAINAGE
The site surface should be graded so that surface water is directed away from the structural areas. Standing
water should not be allowed. Final site grades should be sloped away from the buitding unless the area is
paved. Olherwise,yard drains should bc instai(ed to collect surface runoff.
; 4.6 SLAB-ON-GRADE
� All slabs can be soii supportcd. We envision that the soil at the subgrade will be disturbed and Ioosened
by construction activities at the time of siab construction. We therefore recommend that the suhgrade be
proof-rotled or probed prior to pour. Any wct and loose areas should be over-excavated and backfilled
with struch�ral fil1.
We recommend that slab-on-grade be underlain by a 15-mil. vapor barrier over at least 4-iuch thick free-
draining gravel.
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As previ4us(y mentioned, basement excavation may encountered gerc;h groundwater and under-slab j
drains may be necessary to avoid future wet basement. The under-slab drain includes a trench with a
perforated drain pipe and gravel backfilL A cross-sectional view of the drains is shown in Figure 6. 'fhe �
drain lines are typically spaced at 15 to 20 feet on center. We recommend that a qualified geotechnical i
engineer observe the buijding subgrade and provide drainage details at the time of construction. �
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4.7 FLBXIBLE PAVEMENT !
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We recommend that the subgrade for flexible pavement be prepared in accordancc with the '
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recominendations presented in Section 4.5. Based on the subsoil conditions,we believe that the prepared
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subgrade will have a California C3earii�g Ratio (CBR) of at Ieast 12, We thereforc recommend the
foilowing[lexible pavement sections for light and medium traffic condifio►is:
Light traffic(Daily EAL=5 or less): 2 inches asphaltic concrete ovcr 6 inches base course
Medium traffic(Daily EAL=20 to 80): 3 inches asphaltic concrete over 8 inches base course I
The base course should be compacted to at lcast 95 percent of the�naximum dry density as determineci by
ASTM D-1557 test method. The material should meet WSDOT aggregate specification 9-43.9(3)and �
ha�e the fo!(owing gradation:
Sieve Size Peecent Passin�
1 '/�-inch 100 i
5/8-inch 50-80
114-inch 30-SQ
US No.40 3-18 ,
US No.2Q0 7.5 mar. '
%Fracture 7S mii�. ;
4.8 TEMPORARY AND PERI�fANF,NT EXCAVA"I'IUNti
4�or Semporary excavatloz�s less than 3 feet in depth, tlie cut bank may be excavated vert'rcally. I�or
excavation deeper than 3 feet, the slopo should be cut no steeper than 1H:IV. The slope should continuc
from top to bottom (without a vertical bank at the bottom). Flatter stope cuts may be required if seepage I
occurs. Temporary cut should be protected trom weather during the time of constn�ction.
Afi permanent slopes should be no steeper than 2H:1V. Water should not be allowed to flow �
uncontrolled over the top of any slope. Alsq all permanent slopes should be seeded with the appropriate I
species of vegetation to reduce erosion and maintain the slope stabiliry.
4.9 SEISMiC CONSIDERATIONS I
We recommend that site class C as defined in the 2006 IBC be considered for the seismic design. The I
site is underlain by dense glacial ti(t. As such,the liquefaetion potential is negligible.
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4.10 ADDITIONAL SERVICES �
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Additional services may be rec�uired during the design a��d construction of the project. We envision that �
these additional serviccs may include the following:
l. Review excavation, folindation, and drainage (temporary and permanent}plans to contirm that our
recommendations are properly interpreted and utiiized in the design.
2. Monitor shoring installation and mass excavation. Va'e will confi►m that the conh�actor's equipment
� and procedures are adequate, and providc recommendations regarding dewaterin� and sidewall
stabilization,if neecied.
3. Monitor building subgrade conditions. We wi11 evaluate tl�e soil and goundwatcr co�tditions and I
provide recommendations regarding subgrade preparation and under-slab drains,if needed.
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4. Monitor Foundation subgrade preparation. We will eonfirm the bearing caplcity of the subgrade (
soils,and will assist the contractor in evaluating the protection and over-excavation requirernents,if
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any. I
5. Monitor the placement a��d compaction of structui�al fill. We will confirm tl�e suitability of the fill
materials, perForrn field density tests, and assist the contractor in meeting the compaction
requirements.
6. Monitor the installation of subsurface drains. We will ensure these dc-ains are installed in ''
accordance with our rec�mmendations.
7. Monitor site drainage and erosion control.
8. Other geotechnical issues deemed necessary.
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5.0 CLOSURE
The recommendations presented in this re�ort are pro��ided for design purposes a�id are based oii soil ;
conditions disclosed by Geld observations and subsurface explorations. Subsurface information presented
herein does not constitute a direct or implied warranty that the soil conditions between exploration locations I
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can be directly interpolatcd or extrapolatecl ar tl�at subsurface coiiditions and soil variations difFerent from
those disclosed by the explorations will not be revealed. The rccommendations outlined i�� this report are
based on the assumption that the development plan is consistent wifh the description provided in this report_ �
If the deveEopment plan is chan�ed or su6surface conditions different fron� those discfosed by the
exploration are observed during construction, we shot►1d be advised at ot�ce so fhat we can revic�v these !
conditions,and if necessary,reconsider our desi�recommendations. �
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S&�E Sife Location Map
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i �'�4`.�V-. ' :.�,�Y � T 1 � '
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�L. � I
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O � ,~ .'1.�:.i:� . i i' � � �� � ' rrrt. � O
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1 - B 1 I I• '' C
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�71� 116 71E 3]u 772 � n� ]]0 .71J9 7N 37d
�Edmondc Avs NE
NoAh Slte {��Ofl
._._._..._._..—_.--_.�...._------'--�-----•'---� � � C 10 20 �o
RHA.Edmonds Glanwond MF
/ ��'—� Sep�em6er 10,2010
:_!
S&EE 10'EO � B-1 Boring numberana�ocat�on FigU!'e 2
� TP-1 Test pit number and cocatlon Reference: BUMGARDIVER SiteAnd Exploration Plan
s
Drainage Mat
(Place fabric side against lagging)
Lagging
Permanent V'Jali �
Footing
Drain Gravel
Geotexti le
(12"overlap) �.._.._.._.._.._.._
-�. .. _. ._.._'_'_.._.._.._...,.._.._..
•,00�o0 0�oo i
8 S !
6"Min. �! °o o°o�o CD °o i 2"D1A. PVC Pipe at
' � 5'O.C. �
�` \.
�
;
:, a � � .
W ° o � ° i .
0 �
s��Mir,. '� a�0o Q°o °Q \
` ----- .._.. .........._.._.._.._.._.._.._.._..�
4"DIA.PVC, Perforated Prefabricated Grate or Boot
i Drain Pipe to Discharge
18"Min.
Figure 3
S&EE
Wall And Foundation Darins
i
�
Soldier Pile with Lagging
I '�
Notes: I
Surcharge-induced lateral load
must be added in the design.
= The magnitude can be estimated
H --- using equations shown in Figure 5.
;�:<; �
�
- Lateral Earth Pressure
above base of excavation
- =40 pcf acting over
pile spacing
:�>��
Ignore top two feet- - -
..4:
Passive Earth ;;;;; -- Lateral Earth Pressure
Pressure =300 pcf =`>; below base of excavation
���' =40(H) psf acting over
acting over 2 �
pile diameters '�" one pile diameter
:�
;:,a.. �
- I
i
(NOT-TO-SCALE)
N otes: I
1}Traific and storage surcharges can be accounted for by increasing the effective height oE the wall by 2 feet
2}Slope surcharge can be accoun#ed for by increasing the efiective height of the wall by 1/2(one-half)of the slope heig ht I
3}Passive pressure includes a safety factor of 1.5.
4}Allowable vertical pile capacity: Skin Friction = 1,000 psf; End Bearing =15,Q00 psf(safty factors=at least 2.4) I
5) Subgrade reaction modutus=200 pci(pounds per cubic inch} - I
�igure 4 �
S&EE Lateral Earth Pressures
Job no.1010 Cantilever Wall Shoring System
��
� � I
m=o.i � �
�
� � �
\ ` I
0.2 � � Q2 � m=0.6 `
+ m=0.5�J.1
' j � m`o. �/ I
m=0.7� 04
� m=6.3 I
r
N �� Cn=0.4
�� ` �
C
LL.�.6 �.6
W m R m Phf P R
� -�
� 0.1 ,64H 0.2 .78 ,59H
>08 / / 0.3 .60N a� 0,4 .TS .59H
� 0.5 .56H � 0.6 .45 .48H !
0.7 .48H I
�
I.00 .2 .4 .6 .8 !.Q Ip0 .5 I.0 1.5 i
VALUE OF �H (�µ--�} VAL.UE OF �H (�)
ii
POINT LO�AD Op Q
x=[riH p
r
UNE LOAO 4� z=�H PF{
X=mti FOR m � 0.4� A 1 �� ,
L.L
�
�H(�L}- (fl.l� H N R FOR m�0.4� '
Z=nH P�= 0.55Q� �H(�l_ 0.2enz
� � P IQ16�-
Q FUR m)0.4� WR m >0.4�
H �.H{H��= 1.28m2n � � HZ }_ 1.77mZn2
R �. (mz+-n2j2 H OP (m2+nz�3
�RESULTANT P - 0.64��_ �H°a'H OOSZ I 1.181 i
N {m2+l1 � oP i
PRESSURES FROM LINEtOAD QL � 8 �}�t �
a ' �
{BOUSSlNESO �QUATIOfJ MODIFIED BY EXPERIMENT) 3 Q'N I
I
K=mH
�
,
SEC710N A-A �
PRESSURES FROM POINT LAAD Qp I
f80USSINESQ EQUATION ;
�IODIFIED BY EXPERIMEKT} '
Reference:Foundattons and Earth Structures, �
Design Manual 7.2,Department of the Navy,May 1982 Calculation of Surcharge Loads �
on Subsurface Walls �
I
Figure 5 �
i
i
i
SLAB
�— Vapor Barrier I
4., BLANKET DRAIN
{free-drain�ng crushed rock)
5" Min.
4�� DIA,PVC,PERFORATED DRAIN PIPE
0 o p BACKFILL TRENCH NRTH ��� �
� � � 4 DRAIN GRAVEL
0 0
�oDo�o (
� O D p p Y
3"Min. o000 0 000
o p o p p o p p a
12"Min.
(NOT-TO-SCAr E)
GENERAL NOTES: f
1. DRAIN PIPE SHDULD 8"c CAPPED AT THE 9EGINNING OF LINE.
2. INSTALL AdEQUADE NUAABER OF CLEANOUT FOR FUTURE MAINTENANCE. �
3. DO NOT WRAP DRAIN PIPE WfTH FILTER FABR�C.
i
I
I
Figure 6
�&E�i UN�ER SLAB DRAIf�S (NOT TO SCALEj
� . � t
; . ;
�, i
' 11PPENDIX A '
I
F[ELD EXPLORATION AND I,OGS
The soil conditions underfying the site were explored by the excavation of 6 test pits,l'I'-1 through TP-b
on August 27, 2010 and the drilling of 2 soil test borings, B-1 and I3-2 on October 28, 2010. Ttie
approximatc locations of these explorations are shown on Figurc 2 which is included at thc end of this
report. The test pits were excavated with a Kubota 080 excavator. A representative from S&F,E was
present throughout thc exploration to excavate the pits and log tl�e subsurface soi{ conditions. The soil
test borings wcrc advanced using a tra�k-mounted drill rig. A representative from SBc�;�: was present
throughout the expioration to observe ths drilling operations, log subsurface soil conditions, obfain soil
sa►nples,and to prepare descriptive geologic logs ofthe exploration. Soil samples were taken at 2.5-and
5-foot intervals from the Uorings with procedures in accordancc with ASTM D-1586, "Standard Method
for Penetration 'Cest and Split-I3a.�-ref Sxmpling of Soils" (1.4" I.D, sampler). T'lte peneh-ation test
invo(ves driving the samplers ]8 inches into the ground at the bottom of the borehoEe with a 140 pounds
hxmmer dropping 3Q inches. The numhcrs of blows needed for the samplers to penetrate each 6 inches
are recorded ancf are presented on the boring logs. The sum of the number of blows required for the I
second and third 6 inches of penetration is terrned the "sfandard penetration resistance"or thc"N-value". I I
[n cases where 50 blows are insufficient ta ad�ance it through a 6 inches iuterval the penetration after 50 �
blows is rec�rded. The blow count provides an indication of ihe densi of the subsoil, and it is used in f
many empirical geotechnical engineering formulae.
�11!test pits were backfilled with the excavated soils which were placed in 2-foot thick fifts and compacted
with the excavntor's 6ucket. Please note that if these test pits are located at the future footing locations,the ;
top 4 feet of the backfill in ihe test pits should be removed, and the pifs be backfilled with structural fill.
�
All boreholes were backfilled with bentonite chips. �
The exploration logs ai�e presented in this appendix, A chart shawing the Unified Soil CtassiFcation Systern :
is included at the end of this appendix. I
;
i
I
I
�o�o�c S&F,�
i
i
� � � TEST PIT TP-'I
� v �
� q �1
� ro
v� a Soil DescRpbon
a � � � S� Topsoil vrith grass roots
� � �
; � ; � gM Dark brown silb,+sand with bricks(dry)(loose}(iill)
� � � �
� � � �
� , , ,
, � , �
� ; � ; SM Brown,light brown and gray silty very fine sand,trace fine to coarse gravei,
� � � ' trace cobbles(dry)(loose to medium dense)
, � � �
� � � � �II
, � � �
� � � � II
� � � � l
z.�; ; ; ; ��� �
�
; ; � ; ���
� ���
� ' � ` -a pocket of brown f�e to medium sand at 3.5 to 4.5`eet
, � � �
� , , �
� � � � II!
�
� � ; � sM Gray and dark�ray silty fine to coarse sand with fine fo coarse gravei,trace cobbles �
� ` � ' (moist)(dense to very derse)(cemented}(glacial till}
� � � '
5 � � � � III II
� ! � ' �II (
�
� � �
� � � � I I I 'very dense and di�cuft digging below 6 feet
�
� � � �
� � � Z __
1 i I � 1 1
� Excavation terminated at a depth of 6.5 feet.
� � � � � �
, � , � , � No caving occured during excavation.
� ' ' � Na groundwater encountered.
� � � � �
� � � ° � �
� �
7.6; � ; � ; �
� � , � �
� ' � ' � '
� ' � ' � '
� �
� ' � ' � '
� ' � ' � '
� ' � ' � '
� ' � ' � '
� � , � �
� ' � ' � '
� ' � ' � '
� ' � ' � '
' ' � ' ' ' I
� ' � ' � '
� ' � ' � '
� ' � ' � '
� � ' � '
� ' � ° � '
� � �
10,__'__,--!--'---'
Cfient: Renton Hausing Authority I
Expioratfon Method: Kubota 080 ExCavator
Exploraiion Date: August 27,1Di0
Fig ure A-1 I
S&EE Proposed Development at Edmands Ave NE and Glennwood Ave NE ,
i
� Q a TEST PIT TP-2 ;
� � :
� �, � ;
q U '
� y j Soil Descrfp6on
Q , � SM Topsoil with roo s
' � � �
� ; � ; j SM Brawn and gray silty fine sand with trace fine to coarse gravel(dry}(medium dense}
; � , � �
' � ` � I1I I
� ; ; ; sM Gray and dark gray silr�r�ne to medlum sand with fine to coarse gravel �I
� ; � ; {moist)(dense to very dense)(cemented}(glacial till) !
� ! � � IIt �
i
6 � ! � � III
� � i ; III
; ; ; ; lll
; ; ; ; III ;
- ; � � � Iil �
, � , �
�o' � ' I 4 I 'sandy below 10 teet i
' ' I, , , �
� , � �
� � � � II�
� � , �
, � �
� � � � �
� ; � ; � ; Excavation terminated at a depth of 92 feet. '
� � ' � ` No grouodwater, no caving encountered during excavation.
� � � � � �
� � � � � �
� � � � � �
� � � � � �
� � � � � �
� � � � � �
� � � � � �
� , � � , � :
15� � , , � i
, � � � �
, � ; � ; �
, , ,
, � � � � �
, � , � , �
� ' � � � � i
� � � � �
, � ; ,
� � , � , � i
� � � �
� � � �
� � � ' � �
� � � ' � �
' � ' � ' � I
� , � � �
� � � � � I
� � � , �
� � � � � '
� ' � � � '
20�--�--'---�--'---�
Client: Renton HousingAuthodty
Expbration{utefhod: Kubota Oi30 Excavator
Exploration pate: qugust 27,1010
Figure A-2
S&EE �
,�br�.io�o Proposed Development at �dmonds Ave NE and Glennwood Ave NE �
� � � TEST PIT TP-3 i
.� �
a �
g u`� j Soil Descripbon
0
, � , � s►�n 1'opsoil with roots and fiA(sil:y sand with gravet and trace bricks)
� � �
� � � �
� ; i ; S►� Brown and gray silty flne sand, sandy si{t and thi� ienses of fine sand
� � � � ' (dry)(medium dense)
� � � � I � . .
, r , �
' ; ' � SM Gray and dark gray silty fine to medium sand with fine to coarse gravel
� �
� ; � ; (molst}(dense to very dense}(cemented)(glacial tifl}
� ; � � Ili
6 � � � � III
� � � � SP� Brown slightly silty fine sand with thin lenses of herd silt
; � ; i sM (slightly cemented}(moist to darnp�(dense)
� ' � ' �
' � ' � I
� � � �
� , ,
� � � �
� � � �
� � �
� � � �
�
� � �
� � � �
�fl� ; � ; -groundwater seepage(about 1110Q gpm)at 10 feet
� � � �
� �
� � � �
, � � �
� � , �
� � � i
� � � �
� � � �
, � , � �
� ; � ; � ; Excavation terminated at a depth of 12 feet. I
- � ' � ; � ' No caving encountered during excavation.
� � � � � �
� � � � � � Groundwater seepage encountered at 10 feet.
� � � � �
, � , � �
� , � ; �
� � � �
� � � � �
� � � � �
15, ' , � �
� � � ' �
, � � � �
� ' � ' �
, � � �
� , � , �
� � �
� , � , � ; �
i ' � ' ' �
i ' � ' � '
i ' + ' i '
� ' � ' � '
� ' � ' � '
' � � � ' � �
, � , � � �
� � � � � � I
� ' i � r �
i � i � t '
i � i � � '
i i �
2�i-----'-----�---�
f
Clieni: Renton Housing Authority '
Exploration Mefhod: Kubota 080 Exczvator
ExploratJon�ate: pugust 27,1040
Figure A-3
S�cEE Proposed Development at �dmonds Ave NE and Glennwood Ave NE
i
i
i
I
� � � TEST PIT TP-4 �
� �
-� � �
� �
� 'v�° j Soil Desc�fptlon (
0
� � � SM Topsoil wif roots
� � �
� � � �
�
� ; sM grown and gray silty fine sand and sandy silt(dry}(medium dense)
� � �
� � �
; � , � III
�
� ' � '
; � ; � SM Light gray to gray silty fine sand with fine to medium gravel
� ; � ; (dry to moist)(dense to very dense)(cemented)(glacial till)
� � �
� � � ' �
� � � � I�I
6 ' � ' ' lll
; � ' � II -very dense and di�cu{t digging below 6 feet
� � � t{I
� , �
� � � �
' ' ; ' III
, _ � �
� � � '
� �
� ' � ' � '
� , � , � ExCavation terminated at a depth of 8 feet
� � � � � �
, � , r , � No groundwater, no caving encountered during excavation.
� �
� I I ' ` 1 f
10; � � � � �
� � � ; �
� � � � �
� ' � ' � '
� ' � ' � '
� ' � ' � '
� � � � �
� ' � ' � '
� � ' � '
� � � ' � '
' � ' � �
� ' � ' � '
� ' � � '
� ' � ' � '
� � � � , � i
, � � � � � �
� � � � � i i
� ' � ' i '
� ' i ' � '
' � ' � ' �
i ' � ' � '
� ' i ' � '
15, � , � , � '
� ' � ' � �
� ' � ' � '
� ' � ' � '
� ' � ' � '
� ' � ' � '
� � � � �
� � � � �
- � ' � ' � � . �
� ' � ' � ' '
� � � ; � i
� � � � �
� � � � �
� 1 � ' � i
� � i i � i i
' � 1 � � � ;
� � � � ' � I
' � ' � � �
� ' i ' � ' i
20�---` --'--�--'---�
�
f
I
Gient Renton Housing Authoriry �
Exploration Methoct Kubota OE9 Excavator '
Exploration Data: August 27,1010
Fig ure A-4 i
i
S&EE �
,�buo.�o�a proposed Development at Edmonds Ave NE and Glennwood Ave NE '
� � � TEST PIT TP-5 I
i
� U
� y j Soi!Descripfion
� � � � � SM Topsoilwith�oots j.
� � � �
� � � �
� �
� ; ; ; sM Brown and gray silty fine sand with scme fine gravel(dry)(loose fo medium dense)
�
, 1 ; , I �
; � � � I1I . .
� � � �
� , �
; � ; � SM Gray and dark gray silty flne to medium sand with fine to medium gravel,
; � ; occasionai cobbles{�ry fo moist)(dense fo very dense)(cemented}(glacial 511} �
� � , �
� � � �
6 � ; � ; -one boulder at 5 feet
' ' � ' �
� � � I`� -very dense and di�cu�t digging belo�v 6 feet
� � � �
- � ; � ; II)
�
� ; � ; II� �
� ; � ; III
�o; � ; ; ��� �
; ; � ; ���
, ,
� � ' � � � �
, , � , ,
, � , � _
� � � � , �
� ; � ; � ; Excavation terminated at a depth of 12 feet.
� ' � ' � ' No groundwater, no caving encountered during excavation.
� � � ' � '
, � , � �
� � � ' ; �
� � , ' � �
� � � ' � �
� � � ' � '
� , � , �
� , � , �
15; � , � , �
� � ' � '
� � � � �
� � � � � �
� � � '
� ' � ' � '
, , � ,
� ' � ' � '
� ' � ' � '
, � � ' � '
� ' � ' � '
� � � �
; � � , �
� ' � ' � �
� � � � � � i
� ' � ' � ' I
, , ,
� � � � � �
� � � � �
� '
zo�—'-�---'---�---'
I
Cfient: Renton Housing Authority I
Exploration Method: Kubola O80 Excavator
ExPlorailon Date: August 27,1010
Figure A-5
S&EE Proposed Development at Edmonds Ave NE and Gfennwood Ave NE
;
' TEST PIT TP-6
� A
� � �
N
� N � I
$ � j SoilCescnp6on
� � � � � SM Topsoil with fiil(dar brown silty sand with burned ash)(dry)(loose}
, � , �
� � � �
; � ; � {II
� ' � '
� ; � ; S� Brown,light brown and gray sifty very fine sand, trace fine to coarse gravel,
� ' � ' trace cobbles(dry)(loose tp medium dense}
� � � �
; � � � �II �
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Gllent: Renton liousing Authority
ExploraTan Method: Kubota OBO Excavator
Exploraiion Date: August 27,1010
Figure A-6
S&EE Proposed Development at Edmonds Ave NE and Glennwood Ave NE ;
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Cllent: Renton Housing Authority
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DriN Daie: Holocene Driilfng
Figure A-7a
S&EE Proposed Develpment at Edmonds Ave and Glennwood Ave
Joh Na 1610
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Cllent Renton Housing Authority
Drilling MefE�od: 3"-ID HSA advanced by Erackinount Oiedrfch D-50 Drip Rig
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Driil Date: Hofocene Dr�ting j
Figure A-7b �
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S&EE Proposed Devefpment at Edmonds Ave and Giennwood Ave
,bb No.1010
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Drill Contractor: October 28,2d10
Drili Date: Holocene Drilling �
Figure A-8a
S&E� Proposed Deveipment at Edmonds Ave and Glennwood Ave I
Job No.i0t0 I
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Figure A-8b I
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Job No.1010
L SIFICAI`I�N SYSTEM �
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Memorandum 01
To: Jan Illian
From: Ryan Itani, PE
Date: September 20, 2011
Re: GLENWOOD TOWNHOMES
UTILITY PLAN REVIEW U110069
In response to the Development Services review letter dated August 22, 2011 regarding the proposed project
at 1147 Glenwood Ave NE,the following written description of the plan changes are being provided.
6ENERAL PLAN COMMENTS
1. Show all utility easements on plans.
All utility easements are shown on the plans.
2. Provide landscaping plan
Landscaping plan has been provided.
WATER—NOT APPROVED
1. See "redlines" attached.
Redlines have been received and plans have been revised accordingly.
� STORM DRAINAGE
1. The target impervious surface for BMP implementation is by definition the net new impervious surface. For
this project, the targeted impervious surface is 0.18Ac. Only 0.128 Acres of permeable pavement are being
proposed.Additional flow control BMP implementation for 0.052 Ac shall be provided.
Targeted surfaces for flow control BMP requirement are"new impervious"surfaces. There are 0.255
Acres of"new impervious"surfaces in TDA#2. TDA#2 is classified as a "Large Lot High Impervious".
4096 of targeted surfaces or 20%of site(whichever is less)is therefore required to be served by a flow
control BMP. Therefore,0.102 Acres_nf new imperviou_s_is required to be served within TDA#2. This is
being accomplished with a combination of pervious pa�ement and basic dispers�'on. TDA#1 is under the
thresholds which require the application of flow contro BMPI s. ----�
2. Under existing conditions, surfaces covered by grave!shal!not be modeled as impervious surfaces. Use the
following parameters for surfaces covered by grave!under existing site conditions: 75 9b impervious—259�
grass.
Modeling of TDA#2 has been updated accordingly (results in a 0.048 CFS increase in the 100-yr existing
flow rate).
3. Redo the peak rate and flow frequency analysis for the site in accordance with comments 1 and 2 (aboveJ.
Peak flow rate analysis has been redone.
.�
4. TDA1 will result in less than 2,000 square feet of new plus replaced impervious surfoce. Therefore, the I
project is exempt from providing a flow control facility,flow control BMPs and water quality treatment for
that portion of the site.
TIR has been re�ised to acknowledge that TDA#i is exempt from providing a flow control facility,flow
control BMPs,and water quality treatment based on there being less than 2000 SF of new plus replace II
impervious surface. �
5. TDA2 may qualify for the 0.1 cfs exemption and therefore a flow control facility may not be required. The
focility requirement in Peak Rate Flow Control Stondard Areas is waived for any threshold discharge area in
which the target surfaces subject to this requirement will generate no more than a 0.1-cfs increase in the
existing site condirions 100-year peak flow. Note:for the purposes of this calculation, target surfoces
served by flow contro!BMPs perAppendix C may be modeled in accordance with the flow contro!BMP
facility sizing credits in Table 1.2.3.0(p. 1-42). Even if TDA 2 qualify for the 0.1 cfs exemption,since the
project proposa!will result in more thon 2,000 sf of new impervious surface, a flow contro!BMP in
accordance with section 5.2 of the 2009 KCSWDM as Amended will still be required.
TDA#2 results in less than 0.1 CFS increase in the existing site conditions 100-year peak flow. A flow
control facility is therefore not required. The plans and TIR ha�e been updated to exclude the flow
control facility from the project. The flow control BMP requirement is satisfied through the use of
permeable pavement and basic dispersion as discussed in the response to Item#1.
6. Include in the TIR outfall requirements. Discussion of how the rock pad was sized and how this requirement
is met shall be included under core requirement!#4.
The rock pad was sized based on the flow velocity requirement of Table 4.2.2.A of the 2009 KCSWDM.
This is discussed in Section V of the TIR.
7. The provided declaration of covenant does not indude the BMPs. Please update covenant to indude the
proposed flow control BMPs.
Covenant has been updated accordingly.
8. Show easements on sheet C5.
Easements are not required as the adjacent property is also owned by the RHA.
9. Provide easement document with TIR.
See response to Item 8 above.
10. Provide profiles for the conveyance system. Provide cross sections for the detention tank and cartridge
system. Provide pavement section for permeoble pavement and under drain.
In lieu of profiling the conveyance system,elevations of pipe in�erts are called out on sheet CS wherever
there is a crossing. This approach was confirmed over the phone with Jan Illiart�
11. What is the disiance from the outfall in relation to Edmonds?
The outfall is approximately 260 ft east of Edmonds A�e.centerline.
12. What wi!!be the coverage of the play area?grass?
The surface of the play area consists of 4"of wood play chips. �
13. Why not do basic dispersion of roof runoff for the roof on the west portion on the site. That wil!eliminate
the need for conveyance system proposed on the west portion on the site. See conceptua!redlines. I
Basic Dispersion is now proposed to disperse 520 SF of roof area at the north end of the site. ,
_ '
f��
� 14. If the tank is not required(per section 1.2.3J, then the applicont may consider the use of basic dispersion
from the property line into the same proposed easement. See conceptual redlines.
A future development is planned on the adjacent parcel. For this reason,dispersion of surface water
runoff onto the adjacent parcel is not desirable.
15. Is there an existing curb in Glenwood?
No. The edge of the sidewalk is approximately 1" above the asphalt however there is no curb.
WASTEWATER- NOT APPROVED
1. Identify and show depth of 8-inch sewer main in Glenwood.
Existing 8"sewer main has been identified on the plans accordingly.
2. Call out vertical separation distance at each major utility crossing. ,
Vertical separation at each major utility crossing has been identified on the plans accordingly. '
TRANSPORTATION -NOT APPROVED
1. Street lighting is required. Please provide lighting design and details
Jan tllian has indicated (see attached e-mail correspondence)that the existing street lighting is
acceptable.
2. P/ease add a large note that street restorotion shall comply with the City of Renton's Trench Restoration
and Overlay Requirements
large note has been added accordingly.
Attachments:
Civil Plans
Landscape Plan
TIR
E-Mail Correspondence
Z:\2011 Project Documents\11010 Glenwood Townhomes\City of Renton Comments\Response to Plan review#l.doc
�
Ryan Itani
From: Guy Peckham [GuyP@bumgardner.biz]
Sent: Tuesday, September 06, 2011 8:54 AM
To: 'peter@springlinellc.com'
Cc: Ryan Arp; ryan@springlinelic.com; 'Bud Reichard'; Mark Simpson; Mancong Lin; Nick Simpson
Subject: RE: Glennwood Townhomes-street lighting
Peter,
I talked with Jan Illian at Renton last r�"day S�e �onlirrred that �he ex�s���� s'ree* ghr��u w�l�
be acceptable - no changes needed.
Guy Peckham AIA
Principal, LEED� AP
l��.;``I(�;�1�I)��;� 1�
architecture• interiors • planning
2111 Third Avenue
Seattle,Washington 98121
206.z23.1361 � www.bum�ardner.biz
From: Peter Apostol [mailto:peter@springlinellc.com]
Sent: Monday, August 22, 2011 4:03 PM
To: Guy Peckham
Cc: Ryan Arp; ryan@springlinellc.com
Subject: Glennwood Townhomes - street lighting
G uy,
We just got our comments and are currently reviewing.
One main one that needs to get in the permit package is the requirement for street lighting. I believe it
was in the site plan review comments. Not sure if this was in Ryan's scope of work.
Call me if you have questions.
Peter Apostol, P.E.
peter .springlineiic.cc^�
springline desig� �__�,
3131 Westem Avenue,Suite 501
Seattle,WA 98121
p 206.957.8311
f 206.957.8313
By using any embedded electronic file(s)contained herewith, the recipient assumes al!risks associated
with their use and, to the fullest extent permitted by law, to hold harmless ond indemnify Springline
♦
Design and Springline Design's professional associates and consultants from and agarnst al!daims, liabilities,
losses, and expenses including attorney fees, arising out of or resulting therefrom.
NOD32 5484 (20100927) Information
This message was checked by NOD32 antivirus system.
httt�: ����ti.�.��_���l.c���»
WORK ORDER NO. ECF NO. GREEN NO. Q• �����~
CONSTRUCTION PERMIT NO. �,t O ��
CITY OF RENTON-DE�'ELOPi�7ENT SERVICES
PLAN REVIEVV ROUTING SLIP '
DATE y I z�1 I �
APPLICANT: �! �' t n�I�v� �Uw�'1�b��iS
JOB ADDRESS:
NATURE OF WORK:
TO: Comments Due Comments Due
�_� FIRE PREVENTION BUREAU � I BUILDING CODE REVIEW
� � WATER SYSTEMS � � ENERGY CODE
I I SEWER SYSTEMS � I STRUCTURAL
� 'FiTORTvI DRAIN SYSTEMS �� � � � PLANNING DIVISION
I I PROPERTY MANAGEMENT � � MECHANICAL/PLUMBING
� � TRANSPORTATION DIVISION � � ELECTRICAL
REVIEWING DEPARTMENT/DIVISION
I I �'PROVED � � APPROVED WITH CONDITIONS � � NOT APPROVED
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DATE
Signature of Director or Authorized Representative
#4:pinrev CDVb1d022(12/30/04)
Prmled�y PriM 8 Mail Svcs,Ciry of Ren:on
RHA Glennwood - September 26, 201 1
Page 4 of 5
6. Door M should be added to the door schedule. i
Applicanf Response �'
This door has been �enamed Door H2, and has been added to the
door schedule. See AS-1 Unit Plans TH-1.
7. A window schedule should be provided for review.
Applicant Response I
A window schedule has been added to the Drawings. See SheetAO-5 I
Wrndow Schedule. �
8. Indicate roofing class on the plans (A, B, or C).
Applicant Response
The Drawings have been revised. See Detail 1/A4-1.
9. A1tic access hatches should be one hour rated where penetrating one
hour roof ceiling.
App/icant lPesponse
See ltem 4 above: no changes made to the altic access hatches since
they are no longer in 1-hr rated construction.
10. Detail callouts are not completed.
Applicont Response
Detai/callouts have been completed. See Detail 7A/.43-I Building
Elevotions.
4: STRUCTURAL COMMENTS:
1 . SEE ATTACHED REVIEW COMMENTS FROM REID MIDDLETON.
App/icant Response
See ottached response letter from Swenson Say Faget.
5: PLAN REVIEW: JAN ILLIAN 425-430-7216.
1 . SEE CIVIL REDLINES AND CORRECTION LETTER DATED 8/22/1 1 .
Applicont Response
See atfached response letter from Sprrngline Design.
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RECORDING REQUESTED BY AND
WHEN RECORDED MAIL TO:
CITY CLERK'S�FFICE
CITY OF RENTON
1055 SOUTH GRADY WAY
RENTON, WA 98057
DECLARATION OF COVENANT
PROHIBITING USE OF LEACHABLE METALS
Grantor: Renton Housing Authority
Grantee:City of Renton
L.egal Description: See Attachment A '
Additional Legal(s)on:
Assessor's Tax Parcel ID#: 7227801375,7227801380
IN CONSIDERAT'ION of the approved City af Renton BUILDING PERMIT permit for
application file No.LUA/SWP B��0389,6110390 relating to real properiy legally described
above,the undersigned as Grantor(s),declares(declare)that the above described property is hereby
established as having a prohibition on the use of leachable metals on those portions of the pmperty
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exposed to die weather for the purpose of limiting metals in stormwater flows and is subject to '
the following restrictions.
The Grantor(s)hereby covenai�ts(covenant)and agrees(agree)as follows: no leachaUle metal
surfaces exposed to the weather will be allowed on the property. Leachable metal surfaces means a
surface area thxt consists of or is coated with a non-ferrous meta.l that is soluble in water. Common
' ]eacl�able metal surfaces uiclude,but are not limited to,galvanized stee]roofing,gutters,'flashing, '
downspouts,guardrails,light posts,and copper roofing. City of Renton or its municipal successors shall
have a nonexclusive perpetual access easement on the Property in order to ingress and egress over the
Properly for the sole purposes of inspecting and monitoring that no leachable metal is present on the
Property.
This easement/restriction is binding upon the Grantor(s),its heirs,successors,and assigns unless
or until a new drainage or site plan is reviewed and approved by the City of Renton or its successor.
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W TT�BSS WHGRGOF,this Declaration of Covenant is executed this day of
--�20��—. 9 -
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G�'U���`��`i ` RENTON
P. 0. BOX 2316
• • GRANT ;owner o the roperty • V� •
STATE OF WASHINGTON )
COUN'fY OF KING )ss.
On this day personally appeared before me: I
,to me known to bc the individual(s)desc�ibed in
and who executed the witliln and foregoiug instrument and acknowiedged that tl�ey si�ned tlie same as
their Gee ai�d voluutary act and deed,f'or tl�e uses and purposes therein stated.
Given under my hand and of�icial seal Q�is day of _ ,20___ ,
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Printed name
Notary Public in and for the State of'VJasl�ington,
residing at
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My appointenent expires
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Attachment "A"
Legal Description
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Tax lot 7227801375-1147 Glenwood Avenue NE
Per old republic title&escrow statutory warranty deed dated July 27,2004 and filed in King County,
Washington under recording number 20040730001485.
Lot 9,block 42,corrected plat,Renton highlands no.2,according to the plat thereof recorded in volume 57
of plats,page 92,records of King County,Washington.
"I'az lot 7227801380-jf•F� Glenwood Avenue NE
Per Chicago tide insurance company statutory warranty deed dated December 15,2009 and filed in King
County,Washington under recording number 20091216000370.
Lot 10,block 42,corrected plat of Renton highlands no.2,accordiog to the plat thereof recorded in volume
57 of plats,page(s)92 through 98,inclusive,in King County,Washington.
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RECORDING REQUESTED BY AND
WIIEN RECORDED MAII,TO:
CITY CLERK'S OFFICE
CITY OR RENTON
1055 SOUTH GRADY WAY
RENTON. WA 98057
DECLARATION OF COVENANT
FOR INSPECTION AND MAINTENANCE OF STORMWATER ,
FACILITIES AND BMPS
Grantor: Renton Housing Authority
Grantee:City or Renton
Legal Description: �Attachment B
Addirional Legal(s)on:
Assessor's Tax Parcel ID#: ����1375,7227801380
IN CONSIDERATION ofthe approved City or Renton BUILDING permit
for application file No.LUA/SWP B��0389,8110390 relating to the real property("Property")
described above,the Grantor(s),the owner(s)in fee of that Property,hereby covenants(covenant)with
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the City or Renton,a political subdivision of the state of Washington,that he/she(they}will
observe,consent to,and abide by the conditions and obligations set forth and described in Paragraphs 1
through 10 below with regard to the Property,and hereby graots(grant)an easement as described in
Paragraphs 2 and 3. Grantor(s)hereby grants(grant),covenants(covenant),and agrees(agree)as follows:
1. The Grantor(s)or his/her(their)successors in interest and assigns("Owners")shall at their
own cost,operate,maintain,and keep in good repair,the Property's stormwater facilities and best
management practices("BMPs")identified in the plans and specificatians submitted to City of Renton
for the review and approval of permit(s)#: B��0389, 6110390 . Stormwater facilities
include pipes,swales,tanks,vaults,ponds,and other engineered structures designed to manage
stormwater on the Property. Stormwater BMPs include dispersion and infiltration devices,native
vegetated areas,permeable pavements,vegetated roofs,rainwater harvesting systems,reduced
impervious surface coverage,and other measures designed to reduce the amount of stormwater runoff on
the Property.
2. City or Renton shall have the right to ingress and egress over those portions of the Properly
necessary to perform inspections of the stormwater facilities and BMPs and conduct other activiries
specified in this Declaration of Covenant and in accordance with RMS 4-6-030. This right of ingress and
egress,right to inspect,and right to perform required maintenance or repair as provided for in Section 3
below,shall not extend over those portions of the Property shown in Eachibit"A."
3. If City of Renton determines that maintenance or repair work is required to be done to any of
the stormwater facilities or BMPs,City of Renton shall give notice of the specific maintenance and/or
repair work required pursuant to RMC 4-6-030. The City shall also set a reasonable time in which such
work is to be completed by the Owners. If the above required maintenance or repair is not completed
within the time set by the City,the City may perform the required maintenance or repair,and hereby is
given access to the Property,subject to the exclusion in Paragraph 2 above,for such purposes. Written
notice will be sent to the Owners stating the City's intention to perform such work. This work will not
commence until at least seven(7)days after such notice is mailed. If,within the sole discretion of the
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City,there exists an imminent or present danger,the seven(7)day notice period will be waived and
maintenance and/or repair work will begin immediately.
4. If ai any time the City of Renton reasonably determines that a stormwater facility or BMP on
the Property creates any of the hazardous conditions listed in KCC 9.04.130 or relevant municipal
successor's codes as applicable and herein incorporated by reference,The City may take measures
specified therein.
5. The Owners shall assume all responsibility for the cost of any maintenance or repair work
completed by the City as described in Paragraph 3 or any measures taken by the City to address
hazardous conditions as described in Paragraph 4. Such responsibility shall include reimbursement to the
City within thirty(30)days of the receipt of the invoice for any such work performed. Overdue
payments will require payment of interest at the current legal rate as liquidated damages. If legal action
ensues,the prevailing party is entitled to costs or fees.
6. The Owners are hereby required to obtain written approval from City of Renton prior to
filling,piping,cutting,or removing vegetation(except in routine landscape maintenance)in open
vegetated stormwater facilities(such as swales,channels,ditches,ponds,etc.),or performing any
alterations or modifications to the stormwater facilities and BMPs referenced in this Declaration of
Covenant.
7. Any notice or consent required to be given or otherwise provided for by the provisions of this
Agreement shall be effective upon personal delivery,or three(3)days after mailing by Certified Mail,
return receipt requested.
8. With regard to the matters addressed herein,this agreement constitutes the entire agreement
between the parties,and supersedes all prior discussions,negotiations,and all agreements whatsoevet
whether oral or written.
9. This Declaration of Covenant is intended to protect the value and desirability of the real
property described above,and shall inwe to the benefit of all the citizens of the City of Renton and its
successors and assigns. This Declaration of Covenant shall run with the land and be binding upon
Grantor(s),and Grantor's(s')successors in interest,and assigns.
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10. 'l�his Declaration of Covenant ro2y be terminated b��exocution of a written agreement by the
Oti-nei•s and ti�e City that is recorded by King County in its real propc�ty records.lN W 1"I'tJL-'SS
141FiEREOr,this Declaration of Covenant for the Inspeclion aud Maintenanee of Stormwater Pacilities
and I�MPs is cxccirted tf�is ����oay of_SQ/.' ( ,20!�
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GitANT ,owi of the r erry �
HOUSIN AUTH I CITY 4F AENTON
P. 0. BOX 2316
GRAN7'012,�{1«�`17��c� —
STA'I'L OF WASIiINU'I'QN )
C<)UN 1'Y OF K1NG )ss.
C�n this day pe�sonally appeared before me:
,to me known to be the individual(s)described in
and who executed the within and foregoing instrument and acl:nowledged that they signed the same as �i
thcir free and voluntary act and deed,for the uses and purposes therein stated.
Given tmder my hand and official seal this day of ,20
I'rinted name
Notary Public in and for tiie State of Wasbington,
residing at
My appointment expires____
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Attachment "B" �
Legal Description
Tax lot 7227801375-1147 Glenwood Avenue NE
Per old republic title&escmw statutory warranty deed dated July 27,2004 and filed in King County,
Washington under recording number 20040730001485.
Lot 9,block 42,corrected plat,Renton highlands no.2,according to the plat thereof recorded in volume 57
of plats,page 92,records of King County,Washington.
Tax lot 7227801380- 1141 Glenwood Avenue NE
Per Chicago title insurance company statutory warranty deed dated December 15,2009 and filed in King
County,WashingWn under recording number 20091216000370.
Lot 10,block 42,corrected plat of Renton highlands no.2,according to the plat thereof recorded in volume
57 of plats,page(s)92 through 98,inclusive,in King County,Washington.
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RECORDING REQUESTED BY AND
WHEN RECORDED MAIL TO:
CITY CLERK'S OFFICE
CITY OF RENTON
1055 SOUTH GRADY VS/AY
RENTON.WA 98057 �
DECLARATI�N OF COVENANT
FOR MAINTENANCE AND INSPECTION OF FLOW CONTROL BMPS
Grantor: Renton Housing Authoriry
Grautee:City of Renton
Legal Description: S�Attachment C
AddiNonal Legal(s)on:
Assessor's Tax Pazcel ID#: 7227801375,7227801380
IN CONSIDERATION of the approved City of Renton(check one of the following}0 residential
building permit,� commercial building pernut,O clearing and grading permit,O subdivision permit,or
❑ short subdivisian permit for Application File No.LUA/SWP B�10389,6110390 relating to the
real property("Property")described above,the Grantor(s),the owner(s)in fee of that Property,hereby
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covenants(covenant)with City or Renton,a political subdivision of the state of Washington,diat
he/she(they)will observe,consent to,and abide by the conditions and obligations set forth and described '
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in Paragraphs I through 8 below with regard to tUe Property. Grantor(s)hereby grants(grant),
covenauts(covenant),and agrees(agree)as foliows:
1. Gra��tor(s)or his/her(their)successors in interest and assigns("Owners")shall retain,uphold,
. and protect the stormwater management devices,features,pathways,limits,and restrictions,known as. I'
flow control best inanagement practices("BMPs"),shown on the approved Flow Control BMP Site PIan I
for the Property attached hereto and incorporated herein as Exhibit A.
2. The Owners shall at their own cost,opet�ate,maintain,and keep in good repair,ti�e Properly's
BMPs as described in the approved Design and Maintenance Details for each BMP attached hereto and
incorporated herein as Exhibit B.
3. City or Renton shall provide at least 30 days written notice to tl�e Owners that entry on the
Property is planned for the inspection of the BMPs. After the 30 days,the Owners shall allow the City of ,
Renton to enter for the sole pmpose of inspecting the BNII's. In lieu of inspection by the City,the
Owners may elect to engage a licensed civil engineer registered in the state of Wasiungton who has
expertise in drainage to inspect the BMPs and provide a written report describing their candition. If the
engineer option is chosen,the Owners shall provide written notice to the City of Renton within fi�teen
days of receiving the City's notice of inspection. Within 30 days of giving this notice,the Owners,or the
engineer on behalf of the Owners,shall provide 8�e engineer's report to the City of Renton. If the report
is not provided in a timely manner as specified above,the County may inspect the BMPs without further
nodce.
4. If the City determines from its inspection,or from an engineer's report provided in accordance
with Paragraph 3,that maintenar�ce,repair,restoration,and/or mitigation work is required for the BMPs, I!
The City shaIl notify the Owners of the specific maintenance,repair,restoration,and/or midgation work I
(Work)required under RMC 46-030. The City shall also set a reasonable deadline for completing the
Work or providing an engineer's report that�erifies completion of the Work. After the deadline has
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passed,the Owners shall allow the City access to re-inspect the BMPs unless au eugineer's report has
been provided verifying completion of tl�e Work. If tlie work is not completed properly within the time
frame set by the City,the City may initiate an enforcement action. Failure to properly maintain the BMPs
is a violation of RMC 4-6-030 and may subject the Owners to enforcement under ti�e RMC 1-3,including
fines and penalties.
. 5. Apart from performing routuie landscape maintenance,the Owners are her.eby required to .
obtain written appmval from the City or Renton before performing any alterations or modifications to the
BMPs.
6. Any notice or approval required to be given by one party to the other under tfie provisions of
this Declazation of Covenant shall be effective upon personal delivery to the other party,or after three(3)
days fi•om the date that the notice or approval is mailed with delivery confirmation to the current address
on record witi�each Party. The parties shall notify each other of any change to their addresses.
7. This Declaration of Covenant is intended to promote the efficient and effective management of
surface water drainage on the Ptoperiy,and it shall inure to the benefit of all the citizens of the City of
Renton and its successors and assigns. This Declaration of Covenant shall run with the land and be
binding upon Grantor(s),and Grantor's(s')successors in interest and assigns.
8. This Declaration of Covenant may be termuiated by execution of a written agreement by the
Owners and the CiTy of Renton that is recorded by Kiug County in its real properly records.
IN WITNESS Wl-[EI2GOF,this De )aratiou of Covc�iant for tlie Maintenance and[nspection of , I�
�/�� � '
Flo�v Contirol BMPs is executed[his I� day of ti _,20�; '
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G���J� �� � 4F AENTON
P. 0. BOX 2316
. �€�1`rn�,-�-���_n�E�-w,�-
GRANTOR,owner of the Yroperty
STATE aT�VASHINGTON )
CO'�JN1'Y OF I{ITIU )ss.
On tiiis day personaily appea��ed before me: i
,to me known to be the individuat(s)describad iu
and wlio exccuted the within r��d foregoing instcumeut a�id acknowledged that tl�ey si�ned the same as
tlieir free and voluntary act aud deed,for the uses and purposes tliercin stated,
Givcn unde�n�y hand and official seal this,�!day of ______,2Q
Printed»ame
Notary Pubiic in and for the State of Washington,
residin�at
My appointment e.xpires_______ __ _ .
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G(enwood Townhomes Deciaration of Covenant �
EXHIBIT B i
1. The Glenwood Townhomes project located at 1147 Glenwood Ave NE contains
stormwater management fiow control BMPs (best management practices) as ,
required on the approved construction drawing # R-#### on file with the City of
Renton.This Plan shall be submitted with the application for any building permit. A i
flow control BMP site plan showing the location of flow control BMPs was submitted �
to the City for review and appro�al as part of the Cit�s Building Permit application �
. . review and approval process. A copy of the flow control BMP site plan is on file with .
the City of Renton. The flow control BMPs required for the project include basic
dispersion and the pervious pavement. Maintenance of the flow control BMPs
constructed on this site is the responsibility of the property owners.
2.. The site contains a stormwater management flaw control BMP (best management '
practice} known as basic dispersion to mitigate for 520 SF square feet of roof area.
Basic dispersion is a strategy for minimizing the area disturbed by development(i.e., �
impervious or non-native pervious surfaces, such as concrete areas, roofs, and
lawns) relative to native vegetated areas (e.g., forested surface) together with the
app(ication of dispersion techniques that utilize the capacity of vegetated areas to
mitigate the stormwater runoff quantity and quality impacts of the developed
surfaces. This flow control BMP has two primary components that must be
maintained: (1)the devices that disperse runoff from the developed surfaces and (2)
the vegetated area downstream of the dispersion device. The location of the
dispersion device and vegetated flow path on the site is shown on the flow control
BMP site plan that was submitted to the City as part of the Building Permit
application review and appro�al process. The BMP constructed on the site may not
be changed without written approval from the City of Renton or through a future
development permit from the City of Renton. Maintenance of the BMP used for
basic dispersion is the responsibility of the property owner.
3. The site contains a stormwater management flow control BMP (best management
practice) known as "pervious pavemenY'. The location of the pervious pavement is
shown on the flow contral BMP site plan that was submitted to the City as part of
the Building Permit application review and approval process.The pervious pavement
flow control BMP must be maintained by the lot owner and may not be changed
without written approval from the City of Renton or through a future development
permit from the City of Renton. Maintenance of the perforated pipe connection
BM P is the responsibility of the property owner.
4. Maintenance and operations of the private conveyance systems shown in the
approved construction drawing#R-####on file with the City of Renton are the
responsibility of the property owner.
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Attachment "C" I
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Legal Description �
Taz lot 7227801375-1147 Glenwood Avenue NE
Per old republic title&escrow statutory warranty deed dated July 27,2004 and filed in King County,
Washington under recording number 20040730001485.
Lot 9,block 42,conected plat,Re�ton highlands no.2,according to the plai thereof recorded in volume 57
of plats,page 92,records ofKing County,Washington.
Tax lot 7227801380- �f4r Glenwood Avenue NE
Per Chicago title insurance company statutory warranty deed dated December 15,2009 and filed in King I
County,Washington under recording number 20Q91216000370.
Lot 10,block 42,corrected plat of Renton higlilands no.2,according to the plat thereof recorded in volume
57 of plats,page(s)92 through 98,inclusive,in King County,Washington.
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