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TOTAL SF OF BEARING SURFACE NEEDED FOR TEMPORARY THRUST
RESTRAINT USING ECOLOGY BLOCKS
TOTAL WEIGHT OF ECOLOGY BLOCKS (LBS)
31600
71200
101800
141400
181000
211600
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1. CONTRACTOR TO CONFIRM UNCONFINED COMPRESSIVE STRENGTH OF SOIL IS
AT LEAST 500 PSF.
2. TEMPORARY THRUST RESTRAINT UTILIZING ECOLOGY BLOCKS BASED ON TOTAL
SYSTEM PRESSURE AND WATER HAMMER PRESSURE OF NO GREATER THAN 120 PSI.
THIS TABLE SHOULD NOT BE USED FOR NEW MAIN WITH TEST PRESSURES HIGHER
THAN 120 PSI.
3. SHIMS AND/OR GROUT SHALL BE PLACED AS NECESSARY TO FILL VOIDS
BETWEEN RESTRAINED JOINT CAP, ECOLOGY BLOCKS, AND UNDISTURBED SOIL.
1\ 110/26/20221 JJM I RECORD DRAWING
NO. DATE BY
NOTICE
JAM
0 Y2 1
DESIGNED
BAW
DRAWN
IF THIS BAR DOES
NOT MEASURE 1"
TTT
THEN DRAWING IS
CHECKED
NOT TO SCALE
NnTFc
1. BEARING SURFACE
2. TYPICAL ECOLOGY BLOCK (2x2x6)
3. TEMPORARY RESTRAINT JOINT CAP
4. EXISTING WATER MAIN TO REMAIN IN SERVICE
5. SHIMS TO BE PLACED BETWEEN CAP AND ECOLOGY BLOCK AS NEEDED
6. GROUT TO BE PLACED BETWEEN ECOLOGY BLOCK AND UNDISTURBED EARTH
AS NEEDED TO PREVENT SLIDING OF THE ECOLOGY BLOC
7. TYPICAL TRENCH
8. PROPOSED WATER MAIN
9. THRUST BLOCK TO FOLLOW STD 330.2
10. 2" TAP AND TEMP WATER SERVICE
RECORD
DRAWINGS
SEE NOTE ON murraVSMi
mt
COVER SHEET
EA
0
TOP SECTION VIEW
NOT TO SCALE i_ 18" _i 10
8"
2'-0"
1'-6"
1'-6"
1'-6"
2
10"
2'-6"
1'-6"
1'-6"
1'-6"
2
12"
2'-6"
2'-0"
1'-6"
1'-6"
4
16"
3'-0"
2'-6"
2'-0"
1'-6"
4
NOTES: '
1. CONCRETE SHALL 3000 P.S.I. READY MIX POURED IN PLACE.
2- REINFORCED BARS SHALL BE DEFORMED BARS AND TIED
TOGETHER.
3. FORMWORK AT FACE OF ANCHOR WALLS MUST BE REMOVED.
BACKFILL AT FACE OF ANCHOR WALL MUST BE COMPACTED TO
95X MAX DRY DENSITY BASED ASTM D1557 PRIOR TO
REINSTATING SERVICE OF THE WATER MAIN.
E.
IN, I MAXIMUMN.
ELEVATION VIEW
Y
arr + PUBLIC WORKS CONCRETE DEADMAN BLOCK
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` DEPARTMENT
RENTON DOWNTOWN
o UTILITY
IMPROVEMENTS
PROJECT
#4 REBAR AT 8" ON CENTER
WITH 180' STANDARD HOOKS
® BOTH ENDS
RECOMMENDED POLYPIGGING
AND DISINFECTION PLAN
START CONNECTION DETAIL
END CONNECTION DETAIL
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POLYPIG PLAN AND
TEMPORARY THRUST BLOCKING
PROJECT NO.: 18-2251 1 SCALE: AS SHOWN I DATE: JANUARY 2021
W-394922
SHEET
W-44
94 of 121
REVISION