HomeMy WebLinkAboutR-423840A PORTION OF THE NW 1/4 OF SECTION 8, TOWNSHIP 23N, RANGE 5E, W.M.
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COVER PIPE CONNECTION TO END
CAP WITH ADS GEOSYNTHETICS 601T
NON -WOVEN GEOTEXTILE
STORMTECH HIGHLY RECOMMENDS
FLEXSTORM INSERTS IN ANY UPSTREAM
STRUCTURES WITH OPEN GRATES
ELEVATED BYPASS MANIFOLD
SUMP DEPTH TBD BY
SITE DESIGN ENGINEER
(24" [600 mm] MIN RECOMMENDED)
INSPECTION & MAINTENANCE
STEP 1) INSPECT ISOLATOR ROW PLUS FOR SEDIMENT
CATCH BASIN
OR MANHOLE
INSTALL FLAMP ON 24" (600 mm) ACCESS PIPE
PART #: MC350024RAMP
MC-3500 CHAMBER
24" (600 mm) HDPE ACCESS PIPE REQUIRED
USE FACTORY PARTIAL CUT END CAP PART #:
MC35001EPP24BC OR MC35001EPP24BW
MC-3500 ISOLATOR ROW PLUS DETAIL
NTS
A. INSPECTION PORTS (IF PRESENT)
A. 1. REMOVE/OPEN LID ON NYLOPLAST INLINE DRAIN
A.2. REMOVE AND CLEAN FLEXSTORM FILTER IF INSTALLED
A.3. USING A FLASHLIGHT AND STADIA ROD, MEASURE DEPTH OF SEDIMENT AND RECORD ON MAINTENANCE LOG
A.4. LOWER A CAMERA INTO ISOLATOR ROW PLUS FOR VISUAL INSPECTION OF SEDIMENT LEVELS (OPTIONAL)
A.5. IF SEDIMENT IS AT, OR ABOVE, 3" (80 mm) PROCEED TO STEP 2. IF NOT, PROCEED TO STEP 3.
B. ALL ISOLATOR PLUS ROWS
B. 1. REMOVE COVER FROM STRUCTURE AT UPSTREAM END OF ISOLATOR ROW PLUS
B.2. USING A FLASHLIGHT, INSPECT DOWN THE ISOLATOR ROW PLUS THROUGH OUTLET PIPE
i) MIRRORS ON POLES OR CAMERAS MAY BE USED TO AVOID A CONFINED SPACE ENTRY
ii) FOLLOW OSHA REGULATIONS FOR CONFINED SPACE ENTRY IF ENTERING MANHOLE
B.3. IF SEDIMENT IS AT, OR ABOVE, 3" (80 mm) PROCEED TO STEP 2. IF NOT, PROCEED TO STEP 3.
STEP 2) CLEAN OUT ISOLATOR ROW PLUS USING THE JETVAC PROCESS
A. A FIXED CULVERT CLEANING NOZZLE WITH REAR FACING SPREAD OF 45" (1.1 m) OR MORE IS PREFERRED
B. APPLY MULTIPLE PASSES OF JETVAC UNTIL BACKFLUSH WATER IS CLEAN
C. VACUUM STRUCTURE SUMP AS REQUIRED
STEP 3) REPLACE ALL COVERS, GRATES, FILTERS, AND LIDS; RECORD OBSERVATIONS AND ACTIONS.
STEP 4) INSPECT AND CLEAN BASINS AND MANHOLES UPSTREAM OF THE STORMTECH SYSTEM.
NOTES
1. INSPECT EVERY 6 MONTHS DURING THE FIRST YEAR OF OPERATION. ADJUST THE INSPECTION INTERVAL BASED ON PREVIOUS
OBSERVATIONS OF SEDIMENT ACCUMULATION AND HIGH WATER ELEVATIONS.
2. CONDUCT JETTING AND VACTORING ANNUALLY OR WHEN INSPECTION SHOWS THAT MAINTENANCE IS NECESSARY.
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COUGH LINPORTERLUNDEEN
STRUCTURAL CIVIL SEISMIC ENGINEERING
801 SECOND AVENUE, SUITE 900
SEATTLE, WA 98104
(206) 343-0460
www.cplinc.com
CONCRETE C
PAVEM
CONCRETE SLAB
6" (150 mm) MIN THICKNE:
STORMTECH CHAMBER
OPTIONAL INSPECTION PORT
SIC-3500 END CAP
VIVL- L.rN I u11 \JI r%Li.�r L_v.� I f 1) vvvv uv GEOTEXTILE BETWEEN
FOUNDATION STONE AND CHAMBERS
8.25' (2.51 m) MIN WIDE CONTINUOUS FABRIC WITHOUT SEAMS
12" (300 mm) MIN WIDTH
rONCRETE COLLAR NOT REQUIRED
)R UNPAVED APPLICATIONS
8" NYLOPLAST INSPECTION PORT
BODY (PART# 2708AG41PKIT) OR
TRAFFIC RATED BOX W/SOLID
LOCKING COVER
4" (100 mm)
SDR 35 PIPE
4" (100 mm) INSERTA TEE
TO BE CENTERED ON
CORRUGATION VALLEY
NOTE:
INSPECTION PORTS MAY BE CONNECTED THROUGH ANY CHAMBER CORRUGATION VALLEY.
4" PVC INSPECTION PORT DETAIL
(MC SERIES CHAMBER)
NTS
SURVEYED: SCALE:
WH PACIFIC A
DESIGNED: AS SHOWN
M L
DRAWN:
JAS ONE IN
CHECKED: AT FULL SCALE
WCA IF NOT ONE INCH
NO. REVISION BY DATE AP P R�71ROVED:TBB
SCALE ACCORDINGLY
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7 SHEET
OF
8
HORIZONTAL: NAD VERTICAL: NAVD 1988 991
CITY OF
RENTON
DATU M
Planning/Building/Public Works Dept.
R-423840
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
L
ELOPMENT ENGINEERINGanders 05/10/2023 Cj)
SEATTLE SOUNDERS FC HEADQUARTERS
& TRAINING CENTER
RENTON, WASHINGTON
GRADING &
DRAINAGE DETAILS
05/01 /20
PAGE:
C3.22
SHEET: OF:
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