HomeMy WebLinkAboutRC 20131001001602 RECORDING REQUESTED BY AND
WHEN RECORDED MAIL TO:
CITY CLERK'S OFFICE
CITY OF RENTON 20131001001602
1055 SOUTH GRADY WAY CITY-OF RENTON000V-RER 81.00
RENTON,WA 98057 10/0KING /2013 COUNTY,14:34
COUNTY,
DECLARATION OF COVENANT
FOR MAINTENANCE AND INSPECTION OF FLOW CONTROL BMPS
Grantor: S c o a N 044 l` 0 MES
Grantee: City of Renton
Legal Description: IJ • 5 FT OI= 'S ( 73 . 95 R1 O1 E (I . diZ>%V
o� N1 140 . 92 i-l- o>` tJ 1 /2 a F sr-) /pi op /4 01 i/y OF
StiV yyN
Additional Legal(s)on:
Assessor's Tax Parcel ID#: I D 2.2j 059 Z 'B 2
IN CONSIDERATION of the approved City of Renton(check one of the following)yiresidential
building permit,❑ commercial building permit,O clearing and grading permit,❑ subdivision permit,or
O short subdivision 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 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 8 below with regard to the Property. Grantor(s)hereby grants(grant),
covenants(covenant),and agrees(agree)as follows:
1. Grantor(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
flow control best management practices("BMPs"),shown on the approved Flow Control BMP Site Plan
for the Property attached hereto and incorporated herein as Exhibit A.
2. The Owners shall at their own cost,operate,maintain,and keep in good repair,the Property'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 the 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 purpose of inspecting the BMPs. In lieu of inspection by the City,the
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
engineer option is chosen,the Owners shall provide written notice to the City of Renton within fifteen
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 the engineer's report to the City of Renton. lithe report
is not provided in a timely manner as specified above,the County may inspect the BMPs without further
notice.
4. If the City determines from its inspection,or from an engineer's report provided in accordance
with Paragraph 3,that maintenance,repair,restoration,and/or mitigation work is required for 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
• Work or providing an engineer's report that verifies completion of the Work. After the deadline has
passed,the Owners shall allow the City access to re-inspect the BMPs unless an engineer's report has
been provided verifying completion of the Work. If the 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 the RMC 1-3,including
fines and penalties.
5. Apart from performing routine landscape maintenance,the Owners are hereby required to
obtain written approval 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 the provisions of
this Declaration of Covenant shall be effective upon personal delivery to the other party,or after three(3)
days from the date that the notice or approval is mailed with delivery confirmation to the current address
on record with 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 Property,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 terminated by execution of a written agreement by the
Owners and the City of Renton that is recorded by King County in its real property records.
IN WITNESS WHEREOF,this Declaration of Covenant for the Maintenance and Inspection of
Flow Control BMPs is executed this day of ,20 .
/C
GRAN'fO'',owner of the Property
GRANT 04',cm ne r of the Prop
STATE OF WASHINGTON )
COUNTY OF KING )ss.
On this day personally appeared before me:
cs/u)-1-1-
^' f ' C ,to me known to be the individual(s)described in
and who executed the Ghi6-1,(3,0pn and foreg • strument 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 this iq1day of �L3 ,20 13
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4.+..•.40• Eik. 11 4 Aino" X, (31J. CALA-L41--
®• ..ot) A :e : Printed name
Zw +O R Y •.(0 Notary Public in and for the State of Washington,
N• ®®® •Z: residing at
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s+�a4♦r My appointment expires V4p-( lel
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BUILDER:
DONOGH HOMES No. Date
A 0 & CONTACT: SCOTT DONOGH
1 /1 PHONE: (206)730-0I 14 •
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LEGAL DESCRIPTION: BUILDING COVERAGE: IMPERVIOUS COVERAGE:
THE NORTH 64.95 FEET OF THE SOUTH 1739.5 FEET OF THE LOT:7,275 SF LOT:7,275 SF 1"=20'-0" •
EAST I I 1.92 FEET OF THE WEST 14I.92 FEET OF THE NORTH COVERAGE: 2,243 SF IMPERVIOUS:2,605 SF /-` •
HALF OF THE SOUTHWEST QUARTER OF THE NORTHWEST COVERAGE:30.83% COVERAGE:35.813'0 (elk
QUARTER OF THE SOUTHWEST QUARTER OF SECTION 10, ALLOWED:50% ALLOWED:75%
TOWNSHIP 23 NORTH,RANGE 5 EAST,W.M.,RECORDS OF KING MAX IMPER.SURFACE-5,4565F „ .
COUNTY,WASHINGTON.
•
C.2.11 PERFORATED PIPE CONNECTIOI'
Q TEXT OF INSTRUCTIONS
Your property contains a stormwater management flow control BMP(best management practice)called a
"perforated pipe connection,which was installed to reduce the stormwater runoff impacts of some or all of
the impervious surface on your properly, A perforated pipe connection is a length of drainage conveyance
pipe with holes in the bottom,designed to"leak"runoff,conveyed by the pipe,into a gravel filled trench
where it can be soaked into the surrounding soil. The connection is intended to provide opportunity for
inititration of any runoff that is being conveyed from an impervious surface(usually a roof)to a lova=
drainage system such as a ditch or roadway ole system.
The size and composition of the gertorated p:pe connection as depicted by the flow control BMP nitn plain
and design details must be maintained and may not be changed without written approval either from the
King County Water and Land Resources Division or through a future development permit from King
County. The soil overtop of the perforated portion of the system must not be compacted or covered with
impervious materials.
FIGURE C..2J LA PERFORATED PIPE CONNECTION FOR A SINGLE FAMILY RESIDENC
random fill
6" filter fabric
. . - a =- 6„pe.rf pipe
13"min - -
� .=--.-1 rtz Fr."washed rock
. - +t
24"min— .t
TRENCH X-SECTION
NTS - -
slope -
to road
1111
drainage system
7'X to'
level trench
.viper(pipe
PLAN VIEW OF ROOF
NTS _..
2r/19:urf occ Marx Design? irnI t -A radix C Itrif_'(XY:
SECTION D.3 ESC MEASURES
D.3.3 PERIMETER PROTECTION
Perimeter protection to filter sediment from sheetwash shall be located downslope of all disturbed areas
and shall be installed prior to ups lope grading. Perimeter protection includes the use of vegetated strips as
well as,constructed measures,such as silt fences,fiber rolls,sand/gravel barriers,brush or rock filters,
triangular silt dikes and other methods. During the wet season,50 linear feet of silt fence(and the
necessary stakes)per acre of disturbed area must be stockpiled on site.
Purpose:The purpose of perimeter protection is to reduce the amount of sediment transported beyond the
disturbed areas of the construction site. Perimeter protection is primarily a backup means of sediment
control. Most, if not all,sediment-laden water is to be treated in a sediment trap or pond. The only
circumstances in which perimeter control is to be used as a primary means of sediment removal is when
the catchment is very small(see below).
When to Install: Perimeter protection is to be installed prior to any upslope clearing and grading.
Measures to Use: The above measures may be used interchangeably and are not the only perimeter
protection measures available. If surface water is collected by an interceptor dike or swale and routed to a
sediment pond or trap,there may be no need for the perimeter protection measures specified in this
section.
Criteria for Use as Primary Treatment:At the boundary of a site,perimeter protection may be used as
the sole form of treatment when the flowpath meets the criteria listed below. If these criteria are not met,
perimeter protection shall only be used as a backup to a sediment trap or pond.
Average Slope Slope Percent Flowpath Length
1.5H:1V or less 67%or less 100 feet
2H:1 V or less 50%or less 115 feet
4H:1 V or less 25%or less 150 feet
6H:1 V or less 16.7%or less 200 feet
l OH:1 V or less 10%or less 250 feet
D.3.3.1 SILT FENCE
Code: SF Symbol: X—X-- --X--X
Purpose
Use of a silt fence reduces the transport of coarse sediment from a construction site by providing a
temporary physical barrier to sediment and reducing the runoff velocities of overland flow.
Conditions of Use
I. Silt fence may be used downslope of all disturbed areas.
2. Silt fence is not intended to treat concentrated flows,nor is it intended to treat substantial amounts of
overland flow. Any concentrated flows must be conveyed through the drainage system to a sediment
trap or pond. The only circumstance in which overland flow may be treated solely by a silt fence,
rather than by a sediment trap or pond, is when the area draining to the fence is small(see"Criteria
for Use as Primary Treatment"on page D-30).
Design and Installation Specifications
1. See Figure D.3.3.A and Figure D.3.3.B for details.
1/9/2009 2009 Surface Water Design Manual—Appendix D
D-30
D.3.3 PERIMETER PROTECTION
2. The geotextile used must meet the standards listed below. A copy of the manufacturer's fabric
specifications must be available on site.
AOS (ASTM 04751) 30-100 sieve size(0.60-0.15 mm)for slit film
50-100 sieve size(0.30-0.15 mm)for other fabrics
Water Permittivity(ASTM D4491) 0.02 sec-1 minimum
Grab Tensile Strength (ASTM D4632) 180 lbs.min.for extra strength fabric
100 lbs.min.for standard strength fabric
Grab Tensile Elongation(ASTM D4632) 30%max.
Ultraviolet Resistance(ASTM D4355) 70%min.
1 Standard strength fabric requires wire backing to increase the strength of the fence. Wire backing or
closer post spacing may be required for extra strength fabric if field performance warrants a stronger
fence.
4. Where the fence is installed,the slope shall be no steeper than 2H:1 V.
5. If a typical silt fence(per Figure D.3.3.A)is used,the standard 4 x 4 trench may not be reduced as
long as the bottom 8 inches of the silt fence is well buried and secured in a trench that stabilizes the
fence and does not allow water to bypass or undermine the silt fence.
Maintenance Standards
I. Any damage shall be repaired immediately.
2. If concentrated flows are evident uphill of the fence,they must be intercepted and conveyed to a
sediment trap or pond.
3. It is important to check the uphill side of the fence for signs of the fence clogging and acting as a
barrier to flow and then causing channelization of flows parallel to the fence. If this occurs,replace
the fence or remove the trapped sediment.
4. Sediment must be removed when the sediment is 6 inches high.
5. If the filter fabric(geotextile)has deteriorated due to ultraviolet breakdown,it shall be replaced.
FIGURE D.3.3.A SILT FENCE
JOINTS IN FILTER FABRIC SHALL BE SPLICED
AT POSTS. USE STAPLES. WIRE RINGS, OR
EQUIVALENT TO ATTACH FABRIC TO POSTS. 2"x2" BY 14 Go. WIRE OR
EQUIVALENT. IF STANDARD
STRENGTH FABRIC USED
re
••C I FILTER FABRIC 61'
CCC: I
CCC CCC7CC7 I ii"
11=11
— — — HI— ulll
-1114n„n- lII7-17;11, ;5MT-1 T ITETT.rf
u
6' MAX. MINIMUM 4"x4" TRENCH�� u
LJ / BACKFILL TRENCH WITH __ N
NATIVE SOIL3/4 i.5"
POST SPACING MAY BE INCREASED WASHEDGRAVEL
GRAVEE L
TO 8' IF WIRE BACKING IS USED
2"x4" WOOD POSTS, STEEL FENCE
NOTE: FILTER FABRIC FENCES SHALL BE
POSTS. REBAR, OR EQUIVALENT
INSTALLED ALONG CONTOUR WHENEVER POSSIBLE
2009 Surface Water Design Manual—Appendix D 1/9/2009
D-31
•
•
D.3.4 TRAFFIC AREA STABILIZATION
D.3.4.1 STABILIZED CONSTRUCTION ENTRANCE
& rart-NC
Code: CE Symbol:
Purpose
Construction entrances are stabilized to reduce the amount of sediment transported onto paved roads by
motor vehicles or runoff by constructing a stabilized pad of quarry spalls at entrances to construction sites.
Conditions of Use
Construction entrances shall be stabilized wherever traffic will be leaving a construction site and traveling
on paved roads or other paved areas within 1,000 feet of the site.Access and exits shall be limited to one
route if possible,or two for linear projects such as roadway where more than one access/exit is necessary
for maneuvering large equipment.
Design and Installation Specifications
1. See Figure D.3.4.A for details.
2. A separation geotextile shall be placed under the spalls to prevent fine sediment from pumping up into
the rock pad. The geotextile shall meet the following standards:
Grab Tensile Strength (ASTM D4751) 200 psi min.
Grab Tensile Elongation(ASTM D4632) 30%max.
Mullen Burst Strength (ASTM D3786-80a) 400 psi min.
AOS (ASTM D4751) 20-45(U.S.standard sieve size)
3. Hog fuel(wood based mulch)may be substituted for or combined with quarry spalls in areas that will
not be used for permanent roads. The effectiveness of hog fuel is highly variable,but it has been used
successfully on many sites. It generally requires more maintenance than quarry spalls. Hog fuel is
not recommended for entrance stabilization in urban areas. The inspector may at any time require the
use of quarry spalls if the hog fuel is not preventing sediment from being tracked onto pavement or if
the hog fuel is being carried onto pavement. Hog fuel is prohibited in permanent roadbeds because
organics in the subgrade soils cause difficulties with compaction.
4. Fencing(see Section D.3.1)shall be installed as necessary to restrict traffic to the construction
entrance.
5. Whenever possible,the entrance shall be constructed on a firm,compacted subgrade. This can
substantially increase the effectiveness of the pad and reduce the need for maintenance.
Maintenance Standards
1. Quarry spalls(or hog fuel)shall be added if the pad is no longer in accordance with the specifications.
2. If the entrance is not preventing sediment from being tracked onto pavement,then alternative
measures to keep the streets free of sediment shall be used. This may include street sweeping,an
increase in the dimensions of the entrance,or the installation of a wheel wash. If washing is used, it
shall be done on an area covered with crushed rock,and wash water shall drain to a sediment trap or
pond.
2009 Surface Water Design Manual—Appendix D 1/9/2009
D-39
4!
T
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SECTION D.3 ESC MEASURES
3. Any sediment that is tracked onto pavement shall be removed immediately by sweeping. The
sediment collected by sweeping shall be removed or stabilized on site. The pavement shall not be
cleaned by washing down the street,except when sweeping is ineffective and there is a threat to
public safety. If it is necessary to wash the streets,a small sump must he constructed. The sediment
would then be washed into the sump where it can be controlled. Wash water must be pumped back
onto the site and can not discharge to systems tributary to surface waters.
4. Any quarry spalls that are loosened from the pad and end up on the roadway shall be removed
immediately.
5. If vehicles are entering or exiting the site at points other than the construction entrance(s),fencing
(see Section D.3.1)shall be installed to control traffic.
FIGURE D.3.4.A STABILIZED CONSTRUCTION ENTRANCE
AS PER KING COUNTY ROAD STANDARDS,
DRIVEWAYS SHALL BE PAVED TO THE EDGE
ROPE OF R-O-W PRIOR TO INSTALLATION OF THE
�1•6S\NC' vilk° CONSTRUCTION ENTRANCE TO AVOID
DAMAGING OF THE ROADWAY
�iQ'� IT IS RECOMMENDED THAT THE
R = 25' MIN. �S44�li ENTRANCE BE CROWNED SO THAT
'4111110.0.4
RUNOFF DRAINS OFF THE PAD
.
000-
s0 JI �,4;2:6 4:.%1.
.va ♦
IrksNSIPI .��
INSTALL DRIVEWAY CULVERT IF THERE ��irvp20 vq,`A
IS A ROADSIDE DITCH PRESENT, AS ���v �,��{'Ir
PER KING COUNTY ROAD STANDARDS N��j'�40�1i�*+4
•
4"-8" QUARRY SPALLS
\, ', .0;it A� ,'`
GEOTEXTILE-- II '104,41-05..4-
‘04),,),
1044-5..4-
12" MIN. THICKNESS..-- • \'),'S
C. PROVIDE FULL WIDTH OF
INGRESS/EGRESS AREA
1/9/2009 2009 Surface Water Design Manual—Appendix D
D-40