HomeMy WebLinkAboutSWP3102057.1SHEET__ #
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PROJECT SITE
Jrwp-27-jos7
mi 0Nun 100
OIL'
DRAWING DESCRIPTION
LOCATION MAP AND DRAWING INDEX
SITE PLAN
UPPER CHANNEL REGRADING
STANDARD DETAILS AND NOTES
BASIN PLAN, SECTIONS AND DETAILS
SPILLWAY PLAN AND SECTIONS
SPILLWAY SECTIONS AND DETAILS
FISH WAY PLAN, SECTIONS AND DETAILS
MISCELLANEOUS SECTIONS AND DETAILS
EROSION CONTROL PLAN
0 5 10 20
SCALE IN MILES
LOCATION MAP
0 .25 .5 1
SCALE IN MILES
VICINITY MAP
SW
1/4
SECTION
15 TOWNSHIP 23N RANGE 5 E
SE
1/4
SECTION
16
NE
1/4
SECTION
21
NW
1/4
SECTION
22
CITY OF RENTON STORM WATER DRAINAGE NOTES:
(THE FOLLOWING NOTES ARE REQUIRED BY THE CITY OF RENTON TO APPEAR
ON THESE PLANS. SOME NOTES MAY NOT APPLY TO THIS PROJECT.)
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING MUST
BE HELD WITH THE CITY OF RENTON DEVELOPMENT SERVICES DIVISION, PLAN REVIEW PROJECT MANAGER.
2. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE LATEST EDITION OF THE "STANDARD
SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION" PREPARED BY W.S.D.O.T.,
AND THE AMERICAN PUBLIC WORKS ASSOCIATION (APWA), AS AMENDED BY THE CITY OF RENTON.
3. THE STORM DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS WHICH
ARE ON FILE WITH THE CITY OF RENTON. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE
WRITTEN APPROVAL FROM THE CITY OF RENTON DEVELOPMENT SERVICES DIVISION.
4. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS.
5. DATUM SHALL BE U.S.G.S. UNLESS OTHERWISE APPROVED BY CITY OF RENTON. REFERENCE BENCHMARK
AND ELEVATION ARE NOTED ON THE PLANS.
6. ALL SEDIMENTATION/EROSION FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND BUILDING
CONSTRUCTION, AND THEY MUST BE SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED
AND THE POTENTIAL FOR ON -SITE EROSION HAS PASSED.
7. ALL RETENTION/DETENTION FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN
CONJUNCTION WITH ALL CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE DEVELOPMENT
SERVICES DIVISION.
8. GRASS SEED MAY BE APPLIED BY HYDROSEEDING. THE GRASS SEED MIXTURE, OTHER THAN CITY OF
RENTON APPROVED STANDARD MIXES, SHALL BE SUBMITTED BY A LANDSCAPE ,ARCHITECT AND APPROVED
BY THE DEVELOPMENT SERVICES DIVISION.
9. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE
WITH SECTION 7-02.3(1) OF THE CURRENT STATE OF WASHINGTON STANDARD) SPECIFICATION FOR 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. AL TRENCH BACKFILL SHALL BE COMPACTED TO MINIMUM 95% FOR PAVEMENT
AND STRUCTURAL FILL AND 90% OTHERWISE PER ASTM D-1557-70. PEA GRAVEL BEDDING SHALL BE
6" OVER AND UNDER PVC PIPE.
10. GALVANIZED STEEL PIPE AND ALUMINIZED STEEL PIPE FOR ALL. DRAINAGE FACILITIES SHALL HAVE
ASPHALT TREATMENT #1 OR BETTER INSIDE AND OUTSIDE.
11. STRUCTURES SHALL NOT BE PERMITTED WITHIN 10 FEET OF THE SPRING LINE OF ANY DRAINAGE PIPE,
OR 15 FEET FROM THE TOP OF ANY CHANNEL_ BANK.
12. OPEN CUT ROAD CROSSINGS THROUGH EXISTING PUBLIC RIGHT-OF-WAY WILL NOT BE ALLOWED UNLESS
SPECIFICALLY APPROVED BY CITY OF RENTON.
13. ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE OF SOUND QUARRY
ROCK PLACED TO A DEPTH OF 1 FOOT AND MUST MEET THE FOLLOWING SPECIFICATION: 4"-8"/40%W-70%
PASSING; 2"-4" ROCK/30%-40% PASSING; AND <2" ROCK,/10%-20% PASSING.
14. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFETY DEVICES,
PROTECTIVE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTH,
AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF
WORK COVERED BY THE CONTRACT. ANY WORK WITHIN THE TRAVELED RIGHT-OF-WAY THAT MAY
INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE AN APPROVED TRAFFIC CONTROL PLAN BY THE
TRANSPORTATION DIVISION. ALL SECTIONS OF THE W.S.D.O.T. STANDARD SPECIFICATION 1-07-23,
TRAFFIC CONTROL, SHALL APPLY.
15. SPECIAL DRAINAGE MEASURES WILL BE REQUIRED IF THE PROJECT LOCATION IS WITHIN THE AQUIFER
PROTECTION AREA.
n- 2os7491
NORTHWEST, INC.
Engineers and Scientists
Bellevue, Washington
2353-130TH AVE NE, SUITE 200
BELLEVUE. WASHINGTON 98005
FAX: (206) 883-7555
TEL, (206) 882-2455
A I A,5- BU1 LT MOTES ADDED IDWH 1 �1 5 -1I-9S
N0. -{I REVISION jl BY WPPROX.I DATE
CITY OF RENTON
DEPARTMENT OF PUBLIC WORKS
MAPLEWOOD CREEK SEDIMENTATION BASIN
RECONSTRUCTION AND IMPROVEMENT PROJECT
LOCATION MAP AND DRAWING INDEX
DESIGNED: R.S.P. HNW DATE: 7-15--96 FILE NAME: SHEET1
DRAWN: C.L.C. HNW
CHECKED: D.E.P. HNW SCALE: AS NOTED RELD BOOK: PAGE:
APPROVED: SuEET 1 OF: 1 C
DIRECTOR OF PUBLIC WORKS
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SCANNED MAY - 9 1999