HomeMy WebLinkAboutR-41775330" MAINTENANCE
ACCESS W/IADDER-
30" SQUARE
SAMPLING AND
INSPECTION ACCESS-
8" SEE NOTES
9.0' MIN 8" SEE
7.0' MIN
8" SEE NOTES
I
��
I I I
_L1--
I
-J_L
7
I
I
30" SQUARE
SAMPLING AND
INSPECTION ACCESS
NLET WEIR
I� J
I I ryc�
\
I_J- -J
-
----------L1-----
I
24" MAINTENANCE /
1.4 36" X 72" ACCESS FOR ACCESS W/LADDER_
12"
PLATE PACK REMOVAL 48" 0 RISER
PVC UTLET
TO RTU-01O6 -
1�
Q J 18' HDPE HIGH FLOG
BYPASS OUTLET
ROWS-067 PLAN VIEW
SHUT OFF
36" X 72"ACCESS FOR
o
i
PLATE PACK REMOVAL
PAC
o ii
30" SAMPLING AND
z 5
N
z
INSPECTION ACCES
COALESCING PLATE PACK
a
HOLD-DOWNS SECURED
0
30" MAINTENANCE m
TO VAULT, SEE NOTES
30" SAMPLING AND
gCCE55 W/LADDER
INSPECTION ACCESS
c
OF
OUTLET
m
INLET TEE
18.35
4
C
12"
OUTLET
s
WQ-SURFACE
Q--
-
WQ SURFACE Q-
EL-
17.11
BE
-- - -
EL- 17.11
6" PVC
TEE
z
ITMOUTLET
INLET EL 15.75
SNLET L 1 .75
ADDER
1
a..
_
NLEf WEIR
�
z
o
18" INLET PIPE
C
a
EL - 13.11
b
=
LANGE WIDTH SHEAR GATE
SECURED IN OPEN POSITION
n Z
o �
OIL RETENTION
BAFFLE/CONC
COALESCING PLATE PACK,J
SEE NOTES ( ) ROWS-067 SECTION
1
WSP
"(
3330I9 e X tl
CALL 48 HOURS
1
I
300AC
eall
fetl: 12Kb
fi Wry,
BEFORE YOU DIG
( 1-DOO
)431-2250
-806-424-5555
FAX:(m
FAX: (i(6) 431-E350
SYM
RENSION
EY
APPROVED
DATE
ORIG
APRON R - CENTRAL
C180242
WEE
SET
I 07/09/21
REVISION
30" SAMPLING AND
INSPECTION ACCESS
�30" MAINTENANCE
ACCESS W/LADDER
P8"ET
14 EL - 18.35
SEE NOTES
TOP OF RISER
EL - 17.85
ISER TEE HOLD-DOWN
@ SUPPORTS SECURED
TO VAULT, SEE NOTES
18" BYPASS
OUTLET
EL TL 13.63
71
48" 0 RISER WITH
SOLID BOTTOM
onnnu ri - 11 u
NOTES
1. SEE GENERAL NOTES ON THIS SHEET.
2. DESIGN WATER QUALITY FLOWRATE: 1.448 CFS
3. DESIGN PEAK 100-YR BYPASS FLOWRATE: 4.933 CPS
BY I APPROVED I DATE
i L -BOEArw"
GENERAL BYPASS/OWS NOTES
1. ALL DIMENSIONS SHOWN REPRESENT INTERIOR OF CONCRETE LINED STEEL STRUCTURE. SEE STRUCTURAL DETAILS FOR
STRUCTURAL DESIGN AND REINFORCEMENT INFORMATION.
2. PIPE AND COALESCING PLATE PACK SUPPORT/HOLD DOWN SHALL BE ALUMINUM OR STEEL AND BE ANCHORED AT A
MAXIMUM SPACING OF W. ATTACH PIPE SUPPORTS TO STRUCTURE WITH 5/8-INCH STAINLESS STEEL EXPANSION BOLTS
OR EMBED THE SUPPORTS INTO THE STRUCTURE WALL.
3. THE RISERS AND TEES SHALL BE FABRICATED FROM ONE OF THE FOLLOWING MATERIALS:
0.060" CORRUGATED ALUMINUM ALLOY DRAIN PIPE
0.064" CORRUGATED ALUMINIZED STEEL DRAIN PIPE
0.060" ALUMINUM ALLOY FLAT SHEET, IN ACCORDANCE WITH ASTM B 209. 5052 H32 OR EPS
4. FRAMES AND LADDERS OR STEPS ARE TO BE OFFSET SO THAT: THE SHEAR GATE IS VISIBLE FROM THE TOP AND THE
CLIMB -DOWN SPACE IS CLEAR OF THE RISER AND GATE.
5. RESTRICTION PLATE ORIFICE OPENING IS TO BE CUT ROUND AND SMOOTH.
6. THE SHEAR GATE SHALL BE MADE OF ALUMINUM ALLOY IN ACCORDANCE WITH ASTM B 26 AND ASTM B 275, DESIGNATION
ZG32A; OR CAST IRON IN ACCORDANCE WITH ASTM A 48, CLASS 308. THE LIFT HANDLE SHALL BE MADE OF A SIMILAR
METAL TO THE GATE (TO PREVENT GALVANIC CORROSION), IT MAY BE OF SOLID ROD OR HOLLOW TUBING, WITH
ADJUSTABLE HOOK AS REQUIRED. A NEOPRENE RUBBER GASKET IS REQUIRED BETWEEN THE RESTRICTOR PLATE MOUNTING
FLANGE AND THE GATE FLANGE. INSTALL THE GATE SO THAT THE LEVEL -LINE MARK IS LEVEL WHEN THE GATE IS OPEN,
THE MATING SURFACES OF THE LID AND THE BODY SHALL BE MACHINED FOR PROPER ITT. ALL SHEAR GATE BOLTS SHALL
BE STAINLESS STEEL.
7. THE SHEAR GATE MAXIMUM OPENING SHALL BE CONTROLLED BY LIMITED HINGE MOVEMENT, A STOP TAB, OR SOME OTHER
DEVICE.
8. ALTERNATIVE SHEAR GATE DESIGNS ARE ACCEPTABLE IF MATERIAL SPECIFICATIONS ARE MET AND FLANGE BOLT PATTERN
MATCHES.
9. COALESCING PLATE SHALL BE MADE OF STAINLESS STEEL OR POLYPROPYLENE AND SHALL BE SECURELY BUNDLED IN
PACKS SO THAT THEY CAN BE REMOVED AS UNITS. PLATES WITHIN EACH PACK SHALL BE INCLINED AT 454 TO 604 FROM
THE HORIZONTAL, HAVE A MINIMUM SPACING OF 1/2-INCH AND HAVE CORRUGATIONS. THE PLATE PACK SHALL HAVE A
MINIMUM OF 6-INCHES OF SEPARATION FROM THE BOTTOM OF THE VAULT AND 1-FOOT OF CLEARANCE FROM THE TOP
OF THE PLATE PACK TO THE BOTTOM OF THE VAULT LID.
10. THE ENTIRE SPACE BETWEEN THE SIDES OF THE PLATE PACK(S) AND THE INTERIOR VAULT WALL SHALL BE FILLED WITH A
SINGLE PIECE OF REMOVABLE POLYETHYLENE FOAM TO PREVENT SHORT-CIRCUITING OF THE PLATE PACK(S).
11. MANUFACTURER SHALL PROVIDE CALCULATIONS CONFIRMING THE PLATE PACK MEET THE DESIGN REQUIREMENTS OF THE
2017 CITY OF RENTON STORMWATER DESIGN MANUAL BASED ON THE FOLLOWING INFLUENT AND EFFLUENT CRITERIA:
OIL SPECIFIC GRAVITY 0.88
OPERATING TEMPERATURE 50'
INFLUENT OIL CONCENTRATION 100 PPM
MEAN OIL DROPLET SIZE 130 MICRONS
OIL RISE RATE 0.033 FT/MIN
FLOW RATE SEE DETAIL WQ FLOW
EFFLUENT OIL CONCENTRATION 10 PPM
100% SIZE COLLECTED 60 MICRONS
12. ALL INTERIOR VAULT BAFFLES AND WEIRS SHALL BE CONCRETE OR STAINLESS STEEL AND SHALL BE SECURELY FASTENED
TO THE VAULT. PAINTING OR OTHER COATING OF METAL PARTS FOR CORROSION RESISTANCE IS NOT ALLOWED.
13. LIDS SHALL MEET LOADING AND LIFT REQUIREMENTS SHOWN ON SHEET C501-1D.
14, LINK -SEAL MODULAR SEALS SHALL BE PROVIDED AT EXTERIOR WALL PENETRATIONS AND INSTALLED PER MANUFACTURER'S
RECOMMENDATIONS. SEE STRUCTURAL PLANS FOR ADDITIONAL WALL PENETRATION DETAILS.
15. PERMANENT WATER QUALITY TREATMENT FACIUIES SHALL NOT BE USED TO CONVEY OR CONTAIN CONSTRUCTION STORM
WATER. NEW FACILITIES SHALL BE KEPT OFFUNE UNTIL PROJECT IS COMPLETE. THE CONTRACTOR SHALL CLEAN AND FLUSH
ALL PARTS OF THE SYSTEM PRIOR. SEE GENERAL NOTES ON SHEET C501-18.
16, SEE STRUCTURAL SHEETS SS01 THROUGH SS07 FOR VAULT STRUCTURE DETAILS.
[CIVIL PER
ACCEPTABILITY
THIS DESIGN AND/OR
SPECIFICATION IS APPROVED
ADM
STORM DETAILS
SPT K
07 09 21
JDM
07 09 21
APRON R - CENTRAL
RENTON SITE
CIVIL MASTER S
APPROVED BT
DEPT.
DATE
CHECKED
APPRDVED
WPHUVED
R-4177053�
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
08/25/2021
CT802421 U KI61 07/09/21
101-6S
C180242 1
COME
RTN-YD-0501-6S