HomeMy WebLinkAbout237.00 (replaced 2020)d
ISOMETRIC
SECTION A
PLAN VIEW
ELBOW RESTRICTOR DETAIL
1.USE A MIMIMUM OF A 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.
NOTES:
2" MIN.
6" MIN.
6" MAX.
REMOVABLE WATERTIGHT
COUPLING OR FLANGE
PLATE WELDED TO ELBOW WITH
ORIFICE AS SPECIFIED, SEE NOTE 3
DESIGN WATER
SURFACE
16" MAX.
12" MIN. UNDER
PAVEMENT
6" MIN.
D
1.5 x D
MIN.2' MIN.
2'
MIN.
2'
MIN.12"
12" (TYP.)
FRAME & SOLID COVER MARKED "DRAIN"
WITH LOCKING BOLTS PER STD. PLAN 204.50
VERTICAL BAR GRATE FOR
SECONDARY INLET
HANDHOLDS, STEPS, OR LADDER
SHEAR GATE WITH CONTROL ROD FOR
CLEANOUT/DRAIN (ROD BENT AS REQUIRED
FOR VERTICAL ALIGNMENT WITH COVER)
PER STD. PLAN 237.30
INLET PIPEOUTLET PIPE, SEE
NOTES 1 & 5
INVERT AND
ELEVATION PER PLANS
WELDED RESTRICTOR PLATE WITH
ORIFICE DIA AS SPECIFIED, SEE NOTE 10
2' MIN. CLEARANCE TO
ANY PORTION OF FLOW RESTRICTOR
TEE INCLUDING ELBOWS
2' MIN,
ANGLE AS
NECESSARY,
SEE NOTE 7
ELBOW RESTRICTOR,
SEE DETAIL AND NOTE 10
ADDITIONAL LADDER RUNGS (IN SETS) TO
ALLOW ACCESS TO TANKS OR VAULTS
WHEN CATCH IS FILLED WITH WATER
ELBOW RESTRICTOR,
SEE DETAIL AND NOTE 10
PIPE SUPPORTS, SEE NOTE 6
A
ELEVATION PER PLANS
SEE NOTE 9 (TYP.)
12" SECTION OF PIPE ATTACHED BY
GASKETED BAND TO ALLOW REMOVAL
FLOW CONTROL STRUCTURE -
RESTRICTOR TEE
STD. PLAN - 237.00
PUBLIC WORKS
DEPARTMENT
APPROVED:
DATEGregg Zimmerman
Public Works Administrator
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
9/28/2018 | 9:45 AM PDT