HomeMy WebLinkAbout330.2NOTES:
1.CONCRETE BLOCKING SIZES BASED ON 200 PSI HYDROSTATIC PRESSURE AND 3,000 PSI CONCRETE.
2.ALL CONCRETE SHALL BE MECHANICALLY MIXED. JOB SITE MIXING, HAND-MIXED CONCRETE, AND MOBILE CONCRETE MIXERS ARE NOT
ALLOWED.
3.PIPE CLAMPS AND ANCHOR RODS SHALL BE INSTALLED PER STD PLAN 330.4.
4.FITTINGS SHALL BE POLYWRAPPED AFTER INSTALLATION OF PIPE CLAMPS AND ANCHOR RODS PRIOR TO POURING CONCRETE BLOCKING.
5.WATER MAIN SHALL NOT BE PRESSURIZED UNTIL ALL TRENCHING WITHIN 100' OF VERTICAL BEND IS BACKFILLED AND COMPACTED TO
MINIMUM 3' COVER.
6.CONCRETE BLOCKING SHALL BE LEFT OPEN OR SHEETED FOR MINIMUM 24 HOURS.
MINIMUM DIMENSIONS
PIPE
SIZE BEND VOLUME
(CF)A D *L
4"
11 1 4°8 2.0'3 4"1.5'
22 1 2°11 2.2'
3 4"2.0'
45°30 3.1'
6"
11 1 4°11 2.2'
3 4"2.0'22 1 2°25 2.9'
45°68 4.1'
8"
11 1 4°16 2.5'
3 4"2.0'22 1 2°47 3.6'
45°123 5.0'
12"
11 1 4°32 3.2'
3 4"
2.0'
22 1 2°88 4.5'3.0'
45°232 6.1'2.5'
16"
11 1 4°70 4.1'1"3.0'
22 1 2°184 5.7'
1 1 8"4.0'
45°478 7.8'
20"
11 1 4°91 4.5'
1 1 4"
3.0'
22 1 2°225 6.1'
4.0'
45°560 8.2'
24"
11 1 4°128 5.0'1 1 4"3.5'
22 1 2°320 6.8'
1 3 8"4.5'
45°820 9.4'
* D = ANCHOR ROD DIAMETER
45° BEND
L
L
A
A
A
A
L
L
11 1 4° AND 22 1 2 ° BENDS
PIPE CLAMP AND
ANCHOR ROD
PIPE CLAMP AND
ANCHOR ROD
PUBLIC WORKS
DEPARTMENT
APPROVED:
DATEMartin Pastucha
Public Works Administrator
CONCRETE BLOCKING
FOR VERTICAL FITTINGS
STD. PLAN - 330.2
6/28/2023