HomeMy WebLinkAboutR-373916STORM WATER STANDARD PLAN NOTES
d., 1. THESE NOTES SHALL APPEAR ON PROJECTS FOR THE SURFACE WATER UTILITY.
O 2. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETINGNMUSTBEHELDBETWEENTHECITYOFRENTONPLANREVIEWSECTIONANDTHEAPPLICANT. T
C) 3. ALL DESIGN AND CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE RENTON MUNICIPAL CODE
RMC), THE LATEST EDITION OF THE STANDARD SPECIFICATIONS FOR ROAD, BRIDGE, AND
MUNICICPAL CONSTRUCTION PREPARED BY WSDOT AND THE AMERICAN PUBLIC WORKSr
ASSOCIATION (APWA), AS AMENDED BY THE CITY OF RENTON PUBLIC WORKS DEPARTMENT.
IT SHALL BE THE SOLE RESPONSIBILITY OF THE APPLICANT AND THE PROFESSIONAL CIVIL ENGINEER
TO CORRECT ANY ERROR, OMISSION OR VARIATION FROM THE ABOVE REQUIREMENTS FOUND IN
THESE PLANS. ALL CORRECTIONS SHALL BE AT NO ADDITIONAL COST TO THE CITY.
4. APPROVAL OF THIS ROAD, GRADING, PARKING AND DRAINAGE PLAN DOES NOT CONSTITUTE AN
APPROVAL OF ANY OTHER CONSTRUCTION (e.g. DOMESTIC WATER CONVEYANCE, SEWER
I- CONVEYANCE, GAS, ELECTRICAL, ETC.). tHE SURFACE WATER DRAINAGE SYSTEM SHALL BE
CONSTRUCTED ACCORDING TO THE APPROVAED PLANS, WHICH ARE ON FILE WITH THE CITY.
J ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE CITY
0. OF RENTON PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION.
I- 5. A COPY OF THESE APPROVED PLANS MUST BE_ ON THE JOB SITE WHENEVER CONSTRUCTION
IS IN PROGRESS.
0 6. GRADING ACTIVITIES (SITE ALTERATION) ARE LIMITED TO THE HOUYRS OF 7 A.M. TO 7 P.M.,
MONDAY THROUGH SATURDAY AND NO WORK ON SUNDAY IS ALLOWED, UNLESS OTHERWISE
Q%) APPROVED WITH A WRITTEN DECISION BY THE CITY OF RENTON.
7. IT SHALL BE THE APPLICANT/CONTRACTOR'S RESPONSIBILITY TO OBTAIN ALL CONSTRUCTION
Z EASEMENTS NECESSARY BEFORE INITIATING OFF-SITE WORK. EASEMENTS REQUIRE CITY REVIEW
0 AND APPROVAL PRIOR TO CONSTRUCTION.
II`_ 8. FRANCHISED UTILITIES OR OTHER INSTALLATIONS THAT ARE NOT SHOWN ON THESE APPROVED PLANS
Z SHALL NOT BE CONSTRUCTED UNLESS AN APPROVED SET OF PLANS THAT MEET ALL REQUIREMENTS
W OF CHAPTER 4 OF THE SURFACE WATER DESIGN MANUAL ARE SUBMITTED TO THE CITY OF
RENTON.
9. DATUM SHALL BE NAVD 88 UNLESS OTHERWISE APPROVED BY THE CITY OF RENTON.
REFERENCE BENCHMARK AND ELEVATIONS ARE NOTES ON THE PLANS.
10. ANY DEWATERING SYSTEM NECESSARY FOR THE CONSTRUCTION OF STORMWATER FACILITIES MUST
BE SUBMITTED TO THE CITY OF RENTON FOR REVIEW AND APPROVAL.
11. ALL UTILITY TRENCHES AND ROADWAY SUBGRADE SHALL BE BACKFILLED AND COMPACTED TO
95% (PERCENT) DENSITY, STANDARD PROCTOR.
12. OPEN CUTTING OF EXISTING ROADWAYS FOR NON -FRANCHISED UTILITY OR STORM DRAINAGE WORK
IS NOT ALLOWED UNLESS SPECIFICALLY APPROVED BY THE CITY OF RENTON AND NOTED ON THESE
APPROVED PLANS. ANY OPEN CUT SHALL BE RESTORED IN ACCORDANCE WITH THE CITY OF
RENTON TRENCH RESTORATION STANDARDS.
13. ALL SEDIMENTATION/EROSION FACILITIES MUST BE OPERATION PRIOR TO CLEARING AND BUILDING
CONSTRUCTION, AND THEY MUST BE SATISFACTORILY MAINTANED UNTIL CONSTRUCTION IS
COMPLETED AND THE POTENTIAL FOR ON-SITE EROSION HAS PASSED.
14. ALL RETENTION/DETENTION FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN
CONJUNCTION WITH ALL CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE PUBLIC
WORKS DEPARTMENT, SURFACE WATER SECTION.
15. ALL PIPES AND APPURTENANCES SHALL BE LAID ON THE PROPERLY PREPARED FOUNDATION IN
ACCORDANCE WITH THE CURRENT STATE OF WASHINGTON STANDARD SPECIFICATION OF ROAD
AND BRIDGE CONSTRUCTION. THIS SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM
OR THE TOP OF THE FOUNDATION MATERIAL, AS WELL AS, PLACEMENT AND COMPACTION OF
REQUIRED BEDDING MATERIAL, TO UNIFORM GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL
BE SUPPORTED ON A UNIFORMLY DENSE, UNYIELDING BASE. ALL PIPE BEDDING SHALL BE APWA
CLASS "C", WITH THE EXCEPTION OF PVC PIPE.
16. STEEL PIPE SHALL BE ALUMINIZED, OR GALVANIZED WITH ASPHALT TREATMENT #1 OR BETTER
INSIDE AND OUTSIDE.
17. ALL DRAINAGE STRUCTURES, SUCH AS CATCH BASINS AND MANHOLES SHALL HAVE SOLID LOCKING
LIDS, UNLESS OTHERWISE SHOWN ON THE APPROVED PLANS. ALL DRAINAGE STRUCTURES ASSOCIATED
WITH A PERMANENT RETENTION/DETENTION FACILITY SHALL HAVE SOLID LOCKING LIDS.
18. BUILDING AND OTHER STRUCTURES SHALL BE PLACED IN ACCORDANCE WITH TABLE 4.1 EASEMENT
WIDTHS AND BUILDING SETBACK LINES.
19. ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW PAVEMENT LEVEL.
20. ALL DRIVEWAY CULVERTS LOCATED WITHIN COTY OF RENTON RIGHT-OF-WAY SHALL BE OF SUFFICIENT
LENGTH TO PROVIDE A MINIMUM 3:1 SLOPE FROM THE EDGE OF THE DRIVEWAY TO THE BOTTOM
OF THE DITCH. ROCK FOR EROSION PROTECTION OF ROADWAY DITCHES, WHERE REQUIRED, SHALL BE
OF SOUND QUARRY ROCK PLACED TO A DEPTH OF ONE (1) FOTT AND MUST MEET THE FOLLOWING
SPECIFICATIONS:
4 _ 8 INCH ROCK / 40 _ 70% PASSING;
2 4 INCH ROCK / 30 40% PASSING; AND
LESS THAN 2 INCH ROCK / 10 - 20% PASSING.
21. ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED TO THE STORM DRAINAGE
SYSTEM, UNLESS APPROVED BY THE CITY PLAN REVIEWER OR SURFACE WATER UTILITY SECTION.
AN ACCURATELY DIMENSIONED, CERTIFIED AS -BUILT DRAWING OF THIS DRAINAGE SYSTEM WILL BE
SUBMITTED TO THE CITY UPON COMPLETION.
22. DRAINAGE OUTLETS (STUB -OUTS) SHALL BE PROVIDED FOR EACH INDIVIDUAL LOT, EXCEPT FOR
THOSE LOTS APPROVED FOR INFILTRATION BY THE CITY. STUB -OUTS SHALL CONFORM TO THE
FOLLOWING:
A. EACH OUTLET SHALL BE SUTIABLY LOCATED AT THE LOWEST ELEVATION ON THE LOT, SO AS
TO SERVICE ALL FUTURE ROOF DOWNSPOUTS AND FOTTING DRAINS, DRVIEWAYS, YARD DRAINS,
AND ANY OTHER SURFACE OR SUBSURAFCE DRAINS NECESSARY TO RENDER THE LOTS SUITABLE
FOR THIER INTENDED USE. EACH OUTLET SHALL HAVE FREE-FLOWING POSITIVE DRAINAGE TO
AN APPROVED STORMWATER CONVEYANCE SYSTEM OR TO AN APPROVED OUTFALL LOCATION.
B. OUTLETS ON EACH LOT SHALL BE LOCATED WITH A FIVE-FOOT HIGH, 2"x4" STAKE MARKED
STORM" OD "DRAIN". THE STUB -OUT SHALL EXTEND ABOVE SURFACE LEVEL, BE VISIBLE, AND
BE SECURED TO THE STAKE.
C. PIPE MATERIAL SHALL CONFORM TO UNDERDRAIN SPECIFICATIONS DESCRIBED IN CHAPTER 4 OF
THE SURFACE WATER DESIGN MANUAL AND, IF NON-METALLIC, THE PIPE SHALL BE PLACED IN
A TRENCH WITH A TRACING WIRE ABOVE OR OTHER ACCEPTABLE DETECTION.
D. PRIVATE DRAINAGE EASEMENTS ARE REQUIRED FOR DRAINAGE SYSTEMS DESIGNED TO
CONVEY FLOWS THROUGH INDIVIDUAL LOTS.
E. THE APPLICANT/CONTRACTOR IS RESPONSIBLE FOR COORDINATING THE LOCATIONS OF ALL
STUB -OUT CONVEYANCE LINES WITH RESPECT TO OTHER UTLILITES (e.g. POWER, GAS,
TELEPHONE, TELEVISION).
OFFE ENGINEERS
13932 SOUTHEAST 159TH PLACE
RENTON, WASHINGTON 98058
PHONE: 425-260-3412
CONTACT: DARR.ELL OFFE, P.E.
CCTV INSPECTION NOTE:
a. THE PROJECT DEVELOPER SHALL SUBMIT TO THE CITY THE CCTV
INSEPCTION VIDEOS AND WRITTNE REPORTS. THE CCTV INSPECTION
SHALL INCLUDE ALL PROJECT STORM DRAIN LINES AND CONNECTING
CATCH BASIN AND MANHOLE STRUCTURES THAT WILL BECOME CITY
OWNED/MAINTAINED AND ALL PRIVATE 8 INCH DIAMETER OR LARGER
DRAIN LINES AND CONNECTING CATCH BASIN AND MANHOLE STRUCTURES.
SAID VIDEOS ARE TO BE IN COLOR AND COMPATIBLE WITHTHE CITY'S
VIEWING AND RECORDING SYSTEMS. THE CITY WILL ONLY ACCEPT VIDEO
SUBMITTALS ON CD OR DVD THAT IS VIEWABLE BY STANDARD VIDEO
PLAYER (i.e. mpg VIDEO FILE FORMAT) AND IS COMPATIBLE WITH
GRANITE XP. THE VIDEO SHALL REFERENCE EACH PROJECT DRAIN
PIPE SEGMENT TO THE UPSTREAM AND DOWNSTREAM CONNECTING
STRUCTRURES AS SHOWN (AND IDENTIFIED) ON THE APPROVED PROJECT
CONSTRUCTION PLANS.
b. THE COSTS INCURRED IN MARKING THE INITIAL CCTV INSPECTION SHALL
BE BORNE BY THE PROJECT DEVELOPER. THE DEVELOPER SHALL BEAR ALL
COSTS INCURED IN CORRECTING ANY DEFICIENCIES FOUND DURING CCTV
INSPECTION, INCLUDING THE COST OF ANY ADDITIONAL CCTV INSPECTION,
EX FI LTRATI 0 N TESTING OR AIR TESTING THAT MAY BE REQUIRED BY THE CITY
TO VERIFY THE CORRECTION OF SAID DEFICIENCY.
c. THE DEVELOPER SHALL BE RESPONSIBLE FOR ALL COSTS INCURRED IN
THE CCTV INSPECTION PERFORMED SOLELY FOR THE BENEFIT OF THE
DEVELOPER.
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NOTES:
1. When the driveway width exceeds 15 feet, construct a full
depth expansion joint (see Standard Plan F-3) with 3/8" joint
filler along the driveway centerline.
2. Construct expansion joints parallel with the centerline as
required at 15' maximum spacing when driveway widths exceed
30'. See Std. Plan F-3 for sidewalk details.
3. Curb and gutter shown, see the Contract. Plans for the
curb design specified. See Std. Plan F-1 for curb details.
4. Avoid placing drainage structures, junction boxes or other
obstructions in front of driveway entrances.
5. When driveway approaches are constructed in a commercial zone,
the concrete driveway entrance shall be thickened from 6 inches
to 10 inches. This includes concrete approach Types 1-4,
sidewalks constructed behind the driveway apron, and the curb and
6. Sidewalks at driveway approaches and driveway
apron to be 6" min. depth of conrete.
gutter associated with each driveway approach. •::' .
DRIVEWAY °. # S
BY OTHERS)
CEM. CONC.
CURB & GUTTER
s : _ (SEE NOTE 3)
CEMENT CONCRETE 6
DRIVEWAY ENTRANCE
SIDEWALK WHERE SHOWN SIDE SLOPE (TYP.)
Wit.• •5'' . .. • •..'
Y
DEPRESSED
GP '` CURB & GUTTER
SEE NOTE 3) P S
SIDEWALK & DRIVEWAY APRON
SEE NOTE 6)
23.5' R/W
16' CONCRETE DRIVEWAY ENTRY
W/LANDSCAPE STRIP
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COMMENDED FOR APPROVAL
By Date: `7 /v /V
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By:
t, Date:
By: Date:
By: Date:
REVISION
NOTES:
1. When the driveway width exceeds 15 feet, construct a full 6. Sidewalks at driveway approaches and driveway
depth expansion joint (see Standard Plan F-3) with 3/8" joint apron to be 6" min. depth of conrete.
filler along the driveway centerline.
2. Construct expansion joints parallel with the centerline as
required at 15' maximum spacing when driveway widths exceed
30'. See Std. Plan F-3 for sidewalk details.
3. Curb and gutter shown, see the Contract. Plans for the
curb design specified. See Std. Plan F-1 for curb details.
4. Avoid placing drainage structures, junction boxes or other
obstructions in front of driveway entrances.
5. When driveway approaches are constructed in a commercial zone,
the concrete driveway entrance shall be thickened from 6 inches
to 10 inches. This includes concrete approach Types 1-4,
sidewalks constructed behind the driveway apron, and the curb and
gutter associated with each driveway approach.
DRIVEWAY
BY OTHERS)
ar
CEM. CONC.
4,CURB & GUTTERRey . • SEE NOTE 3)
6 °`' • _.y. DRIVEWAY ENTRANCE
SIDE SLOPE (TYP.)
DEPRESSED
CURB & GUTTER
t' (SEE NOTE 3)
ti DRIVEWAY APRON
SEE NOTE 6)
16' CONCRETE DRIVEWAY ENTRY
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EX. PAVED SECTION EX. PAVED SECTION 13.5'
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NILE AVENUE NE
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8' LANDSCAPE
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N.T.S.
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GOD IMENSIONS, INC.
DESIGNED:
D.L. OFFE, P.E.
DRAWN:
D.L. OFFE, P.E. ONE INCH
CHECKED:
r" FULL SCALE
IF NOT ONE INCH
SCALE ACCORDIINGLY
SCALE
BY I DATE I AP P R I APPROVED:
VERncAL: NAVD IM
HORIZONTAL: NAD 1983/1991
DATUM
Ak CITY OF
IOU RENTON
Planning/Building/Public Works Dept.
7
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RENTON 7 SHORT PLAT
JAYMARC HOMES, LLC
STORM DETAILS AND NOTES
NE 2nd COURT/NILE AVENUE NE
02/10/2014
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G OD IMENSIONS, INC.
DESIGNED:
D.L. OFFE, P.E.
DRAWN:
D.L. OFFE, P.E. ONE INCH
CHECKED:
r" FULL SCALE
IF NOT ONE INCH
SCALE ACCORDIINGLY
SCALE
BY I DATE I AP P R I APPROVED:
VERncAL: NAVD IM
HORIZONTAL: NAD 1983/1991
DATUM
Ak CITY OF
IOU RENTON
Planning/Building/Public Works Dept.
7
e
RENTON 7 SHORT PLAT
JAYMARC HOMES, LLC
STORM DETAILS AND NOTES
NE 2nd COURT/NILE AVENUE NE
02/10/2014
FlEUMOOK:
PAGE:
DRAWING ND: