HomeMy WebLinkAboutF_APPROVED_Walker Revision to WQ System_20191025.pdfCB#8
RIM: 19.50
CB #7
RIM: 20.91
8'x12' MODULAR WETLAND
TREATMENT VAULT
158'
47'CONTROL STRUCTURE
RIM: 20.63
CB # 12
RIM: 20.93
18 LF 12" CPEP @ 0.66%
24 LF 12" CPEP
@ 1.00%
6 LF 8" CPEP @ 0.50%
CB #13
48" TYPE 2 CB
RIM: 22.53
IE: 12.51 12" (NE)
IE: 12.51 12" (SW)
IE: 12.51 12" (E)
STMH 503
EXISTING TYPE 2 CB
RIM: 19.76
IE: 12.41 12" (NE)20 LF 12" CPEP @ 0.50%
10
15
20
25
10
15
20
25
20.480+5020.2719.941+0019.8119.811+5020.1020.48 STRUCTURAL FILL
12"
36"
SYSTEM ELEVATIONS
TOP OF STORMTANK = 16.99'
BOTTOM OF CHAMBERS = 13.99'
BOTTOM OF STRUCTURAL FILL = 12.99
PROPOSED FINISHED
GRADE
EXISTING GRADE
PROPOSED FINISHED GRADE ELEVATIONEXISTING GRADE ELEVATION
HIGH-FLOW
BY-PASS
PARKING LOT
ISLAND
148'
2-YEAR WATER
QUALITY OUTLET
CONTROL STRUCTURE, 48" TYPE 2 CB
RIM: 20.63
IE: 13.99 12" (SW)
IE: 13.99 8" (S)
IE: 13.99 12" (N)
N:166848.1538
E:1297818.2673
CB#8, STORMTANK OBSERVATION PORT
W/VANED GRATE LID
RIM: 19.50
N:166857.4365
E:1297918.4831
SEE MANUFACTURER PLANS
FOR CONNECTION DETAIL
2.72'
2.41'
MINIMUM COVER OVER
SYSTEM = 2'
HIGH FLOW OUTLET
TREATMENT OUTLET
18" INLET PIPE
8" OUTLET PIPE
INVERT EL. 13.99
PIPE SUPPORT
SEE NOTE 6
2.0' MIN
2.0' MIN
INVERT EL. 13.99
STANDARD GALVANIZED
STEEL OR ALUMINUM
LADDER/STEPS
PER RENTON STD. PLAN 204.50
ROUND SOLID COVER MARKED
"DRAIN" WITH LOCKING BOLTS
RESTRICTOR PLATE
WITH 2.25"Ø ORIFICE
12.0"
8" RISER PIPE
60" Ø
WATERTIGHT
CLEANOUT
SHEAR GATE
2.0' MIN
CHAIN - 200# CAPACITY
SLACK WHEN GATE IS DOWN
FASTEN CHAIN TO FRAME
127.6°'
TO TREATMENT
ADJUST RIM
AS NEEDED
52.4°'
12" HIGH FLOW OUTLET
8" OUTLET TO TREATMENT
18" INLET PIPE
2.39'
0.51'
DESIGN WATER SURFACE
16.99
1.80'
TOP OF W.Q. RISER
17.49
FROM STORMTANK
18" INLET PIPE12" OUTLET PIPE
INVERT EL. 13.99
PIPE SUPPORT
SEE NOTE 6
2.0' MIN
2.0' MIN
INVERT EL. 13.99
STANDARD GALVANIZED
STEEL OR ALUMINUM
LADDER/STEPS
PER RENTON STD. PLAN 204.50
ROUND SOLID COVER MARKED
"DRAIN" WITH LOCKING BOLTS
DESIGN WATER
SURFACE EL. =16.99
12.0"
18" RISER PIPE
2.30'
60" Ø
WATERTIGHT
CLEANOUT
SHEAR GATE
2.0' MIN
CHAIN - 200# CAPACITY
SLACK WHEN GATE IS DOWN
FASTEN CHAIN TO FRAME
HIGH FLOW
ADJUST RIM
AS NEEDED
0.75' "V"
NOTCH
60°DOWNTURNED ELBOW
WITH 2.75"Ø ORIFICE
IE: 15.74
34" ANGULAR STONE STORMTANK® MODULES
(36" x 18") MODEL ST-36
ENGINEER OF RECORD RESPONSIBLE FOR ENSURING
SUBGRADE SOILS MEET BEARING AND SETTLING
REQUIREMENTS
MIN. 1'
DEPTH SPECIFIED BY
ENGINEER OF RECORD
12"
[6" MIN]
MIN. 1'
MIN. 2'
MAX. 11'-0"
SUITABLE COMPACTABLE FILL (AS NECESSARY
- DESIGN BY ENGINEER OF RECORD)
FINISHED IMPERVIOUS SURFACE
(DESIGN BY ENGINEER OF RECORD)
VEGETATED AREA TO BE DESIGNED WITH ADEQUATE
COMPACTED FILL FOR DESIGNED LOAD RATING
(DESIGN BY ENGINEER OF RECORD)
36"
LAYFIELD LP6 NON-WOVEN GEOTEXTILE
(OR EQUAL) SURROUNDING MODULES AND
STONE/SOIL INTERFACE
CITY OF
RENTON
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
T A C O M A
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL 253.383.2572FAX www.ahbl.comWEB
S E A T T L E
S P O K A N E T R I - C I T I E S
WALKER MAZDA DEALERSHIP
PERMIT SET
AHBL JOB #2180100.11
37
Know what's below.
before you dig.Call
RTED-40-4067C:19-002207LUA:18-000305PR:18000212R-4067
NPDES PERMIT# WAR306639N
PROPOSED DETENTION FACILITY
FOOTPRINT (7,318 SF)
DETENTION SYSTEM NOTES AND DETAILS C2.2
08
1
C2.3
HIGH
GROUNDWATER
ELEVATION
VIEW WITH
LOW FLOW
RISER
VIEW WITH
HIGH FLOW
RISER
2
C2.8
1 SCALE: 1" = 20'
DETENTION LAYOUT
2 SCALE: 1"=20' H 1"=2' V
DETENTION PROFILE
3 NOT TO SCALE
STORMTANK SYSTEM
4 SCALE: 1'=2"
CONTROL STRUCTURE
ADDITIONAL LADDER RUNGS (IN SETS) TO ALLOW ACCESS
TO TANKS OR VAULTS WHEN CATCH IS FILLED WITH WATER
2' MIN. CLEARANCE TO ANY PORTION OF FLOW
RESTRICTOR TEE INCLUDING ELBOWS
12" SECTION OF PIPE ATTACHED BY
GASKETED BAND TO ALLOW REMOVAL
SOLID WELDED RESTRICTOR PLATE
SEE NOTE 10
NOTES:
1.USE A MINIMUM OF 54" DIAMETER TYPE 2 CATCH BASIN.
2.OUTLET CAPACITY: 100-YEAR DEVELOPED PEAK FLOW.
3.METAL PARTS PREFERRED TO BE STAINLESS STEEL ALUMINIZED
STEEL, OR ALUMINUM ALL OTHER STEEL PARTS MUST BE
GALVANIZED WITH TREATMENTS 1, 2, OR 5.
4.FRAME AND LADDER OR STEPS OFFSET SO:
A.CLEANOUT GATE IS VISIBLE FROM TOP.
B.CLIMB-DOWN SPACE IS CLEAR OF RISER AND CLEANOUT GATE.
C.FRAME IS CLEAR OF CURB.
5.IF METAL OUTLET PIPE CONNECTS TO CEMENT CONCRETE PIPE:
OUTLET PIPE TO HAVE SMOOTH O.D. EQUAL TO CONCRETE PIPE I.D.
LESS 1/4".
6.PROVIDE AT LEAST ONE 3" x .090 GAGE SUPPORT BRACKET
ANCHORED TO CONCRETE WALL. (MAXIMUM 3'-0" VERTICAL
SPACING).
7.LOCATE ELBOW RESTRICTOR(S) AS NECESSARY TO PROVIDE
MINIMUM CLEARANCE AS SHOWN.
8.LOCATE ADDITIONAL LADDER RUNGS IN STRUCTURES USED AS
ACCESS TO TANKS AND VAULTS TO ALLOW ACCESS WHEN CATCH
BASIN IS FILLED WITH WATER.
9.WHEN CONNECTING TO A NEW PIPE, USE A FLEXIBLE CONNECTOR
(KOR-N-SEAL BOOT WITH CORRUGATED PIPE ADAPTER OR
APPROVED EQUAL) WHEN CONNECTING TO AN EXISTING PIPE. USE A
FABRICATED SAND COLLAR OF THE SAME MATERIAL AS THE
CONNECTING PIPE.
10.IF TEE SECTION IS USED ONLY FOR SPILL CONTROL, THEN ELBOW
RESTRICTORS AND RESTRICTOR PLATES WITH ORIFICES ARE NOT
REQUIRED.
4
C2.2
4
C2.2
MANUFACTURER REP: ANDY GERSEN
PHONE: 206-595-2203
PRODUCT LAYOUT: LAYFIELD GROUP
PHONE: (425) 209-0807
EMAIL: SEATTLE@LAYFIELDGROUP.COM
08
1.ISOLATION/DEBRIS ROWS ARE REQUIRED
AT DETENTION SYSTEM INLETS FOR
SEDIMENTATION CONTROL
2.INSPECTION PORTS SHALL BE PROVIDED AT
25' AND AT EVERY INLET LOCATION
3.REFER TO SHOP DRAWINGS AND
ASSOCIATED BUILDING PERMIT FOR
ADDITIONAL DETAILS
1.ISOLATION/DEBRIS ROWS ARE REQUIRED
AT DETENTION SYSTEM INLETS FOR
SEDIMENTATION CONTROL
2.INSPECTION PORTS SHALL BE PROVIDED AT
25' AND AT EVERY INLET LOCATION
3.REFER TO SHOP DRAWINGS AND
ASSOCIATED BUILDING PERMIT FOR
ADDITIONAL DETAILS
07/30/2019
D
IE: 13.99
20 LF 12" CPEP @ 0.5%
MWS UNIT
RIM: 22.50
IE IN: 13.89
IE OUT: 12.56
REMOVE CB #13
0.75%
RESTRICTOR PLATE
WITH 2.25" ORIFICE
ALL FLOW WILL GO THROUGH
ONE STANDARD RISER /
ORIFICE STRUCTURE
DEVELOPMENT ENGINEERING
bbannwarth 10/25/2019
CITY OF
RENTON
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
T A C O M A
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL 253.383.2572FAX www.ahbl.comWEB
S E A T T L E
S P O K A N E T R I - C I T I E S
WALKER MAZDA DEALERSHIP
PERMIT SET
AHBL JOB #2180100.11
37
Know what's below.
before you dig.Call
RTED-40-4067C:19-002207LUA:18-000305PR:18000212R-4067
NPDES PERMIT# WAR306639
STORM NOTES AND DETAILS C2.8
14Q:\2018\2180100\10_CIV\CAD\_Final Design\2180100-SH-STRM-DETL.dwgOUTFALL PIP
E
EXISTING AND/OR
PROPOSED GROUND 1' MIN.4" MIN. FACE
QUARRY ROCK
12" MIN. DEPTH (12"Ø PIPE)
18" MIN. DEPTH (15"-18"Ø PIPE)
24" MIN. ( 24"-36"Ø PIPE)
* UNLESS
OTHERWISE
NOTED ON PLANS
DIA. + 6'INLET/OUTFALL PIPE
*8'
4"
0.5%
2" MIN.
MIN.
BUILDING
FOUNDATION SEE
STRUCTURAL DETAILS
6" PVC SDR 35 TYP.
FINISHED GRADE
6" PVC CAP CUT HOLE TO ALLOW
DOWNSPOUT TO PENETRATE
WITH 1/8" CLEARANCE.
ROOF DOWNSPOUT SEE
ARCHITECTURAL DETAILS.
PROVIDE FITTINGS
AS REQUIRED
COORDINATE DOWNSPOUT LOCATIONS WITH
ARCHITECTURAL PLANS AND NOTCH FOOTINGS
TO ACCOMMODATE ROOF DRAINS.
FOOTING 6" BELOW
GRADE AT DOCKS.
REFER TO STRUCTURAL.
18" (MIN.)
2" (MIN.)
4" PERFORATED RIGID DRAIN PIPE
REQUIRED AT LANDSCAPE AREAS
(SURROUND WITH 1" ROCK)
12" MIN.
SURFACE SEAL: NATIVE SOIL OR
OTHER LOW PERMEABILITY MATERIAL.
NOTES:
DO NOT TIE ROOF DOWNSPOUTS TO FOOTING DRAIN.
SURFACE SEAL TO CONSIST OF 12" OF LESS PERMEABLE, SUTIABLE SOIL. SLOPE AWAY FROM BUILDING.
CONNECT TO
DETENTION SYSTEM
4 NOT TO SCALE
INLET-OUTFALL PROTECTION
3 NOT TO SCALE
ROOF DOWNSPOUT AND FOOTING DRAIN
2 NOT TO SCALE
MODULAR WETLAND
1 NOT TO SCALE
SOIL AMENDMENT SECTIONS
14
07/30/2019
22.50
13.89
12.56
12"
12"
13.89
12.56
22.50
DEVELOPMENT ENGINEERING
bbannwarth 10/25/2019