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NE 114 OF SE 114 OF SEC. 4, TWP. 23 N., RNG. 5 E., W.M.
CITY OF RENTON, STATE OF WASHINGTON
97
M 2'x2' CALCULATED BEARING
_ PAD (TYP BOTH ENDS)
WI4x109 BEAM
2' MIN W14X109 BEAM 2' 58' 5'1 2 r PIPE SUPPORT
PIPE SUPPORT
T 2'x2' BEARING PAD
1 APPROVED SHIELD �
5' PIPELINE SHORING /�A �. X
/ 4 RA NI ON SUPPORT
A A �� STRAPS SPACED 10" APART
2' MIN MINIMUM
DEWA R
PROPOSED 8" SANITARY SEVER 4-2" NYLON RATCHET
STRAPS W/ 10,000 LB EX 36' WATER
TR
5' RATING TRANSMISSIISS ON LINE "7�7,
'
EX W' SPU WATER �6" MIN BEDDING MATERIAL
TRANSMISSION LINE f PROPOSED 8" SANITARY SEVER
2' MIN
SECTION B-B
J
PROPOSED SEWER CROSSING PLAN VIEW
STA IO+U10, LO' RT
I� 13' ZONE OF �I
INFLUENCE
I
1-1/8- PLYWOOD OR
4- TIMBER LAGGING (TYP)
Q
Q SHORING SHIELD (TYP) (D
PROPOSED 8' SANITARY SEWER
0
5'
W14xIO9 BEAM PIPE SUPPORT
ON 2'x2' BEARING PAD
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ENGINE ERING&SURVEYING
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165 NEluniper SVeel, Sulte201 • Izemah, WA SMUT • Phme: (425) 392-0250 "Fu: (425) 391-3055
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EXISTING PAVEMENT
NOTE:
STRAPS TO BE MONITORED USING
BANJO TEST TO ENSURE STRAPS
ARE CARRYING EQUAL TENSION
6' MIN BEDDING MATERIAL
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NBST97
6 TONAL
8105119
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NOT
STOP WORK AND SUPPORT PIPE
BEFORE TRENCHING WHIN 5" OF
SPU WATER MAIN.
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ZONE OF INFLUENCE
NO. I REVISION I BY I DATE I APPR
2k7 CALCULATED BEARING
PAD (TYP BOTH ENDS)
1-1/8" PLYWOOD OR 4" PER PLAN
TIMBER LAGGING (TYP)
10" MIN
CONTRACTOR
TO PROTECT
EXISTING PIPE
Q)
APPROVED SHIELD
PIPELINE SHORING
MAXIM BEAM
PIPE SUPPORT
2" NYLON RATCHET STRAP
W/ MIN. 10,000 LB CAPACITY
QUANTITY PER PLAN
SINGLE BEAM W/ STRAPS PIPE
SUPPORT SECTION DETAIL
LOADING SEQUENCE:
NOTES:
1,
EXCAVATE ME APPROPRIATE TRENCH WDTH DOWN TO ME
1, ALL STRUCTURAL STEEL SHALL BE DETAILED AS PER AISC
SPRINGLINE OF ME EXISTING SPU PIPELINE.
STANDARDS MEMBER SIZES SHOWN ARE MINIMUM REQUIRED TO
2
PLACE BEARING PADS AND SUPPORT BEAM ALONG EXISTING SPU
MINIMIZE DEFLECTION EQUIVALENT OR LARGER SIZES MAY BE
WATER LINE, CENTERED AT ME LOCATION OF ME PROPOSED
SUBSTITUTED WITH PRIOR APPROVAL.
UTILITY BEARING PADS TO BE SET BACK FROM EDGE OF TRENCH
2 DESIGN LOADS:
PER PLAN.
PIPE WEIGHT = 250 PLF
3.
EXCAVATE FOR AND INSTALL NYLON SUPPORT STRAPS MINIMIZING
WATER WEIGHT = 441.26 PLF
ACTUAL EXCAVATION UNDER ME EXISTING SPU WATER LINE.
BEAM WEIGHT = 68 PLF
4.
PRE -TENSION STRAPS TO SUPPORT PIPE, CLOSELY MONITORING
SOIL W IGHT = 124 PCF
FOR DEFLECTION OF ME EXISTING SPU WATER LINE AND SUPPORT
3, CONSTRUCTION MEMOS MUST BE EMPLOYED TO SUPPORT ME
BEAM USING ON -SITE LASER CHECK EVERY 30-MINUTES
PIPELINE DURING EXCAVATION. SUPPORTS SHALL BE INSTALLED
ESTIMATED XaECRON OF SUPPORT BEAM:
AS SOON AS ME PIPE IS EXPOSED AND REMAIN UNTIL TRENCH
PROPOSED WATER CROSSING 0.008 INCH
BEDDING AND BACKFlLL IS REPLACED TO SUPPORT PIPE IN ME
5.
EXCAVATE TO FINAL GRADE, MINIMIZING BEDDING LOSS
TRENCH.
6.
BACKFlLL AND COMPACT TRENCH PRIOR TO REMOVING NYLON
4 EXIS➢NG SPU WATER ONE IS LIKELY BEDDED WM P-GRAVEL'
STRAPS AND SUPPORT BEAM
EFFORTS SHALL BE MADE TO MINIMIZE UNDERMINING ME SPU
7.
CONTRACTOR TO PROVIDE BACKFlLL AND COMPACTION METHOD
LINE DURING EXCAVATION AND INSTALLATION OF PROPOSED
PRIOR TO CONSTRUCTION.
CROSSING UTILITY
5. SPECIAL FILL AND/OR COMPACTION MAY BE REWIRED
DEPENDING ON ME MEMO AND DEPTH OF EXCAVATION.
6 WBRADONS COULD DAMAGE ME SPU WATER ONE, THEREFORE
PHASING NOTES;
PILE DRAMS, PLASTIC AND OTHER VIBRATION PRODUCING WORK
MAY BE RESTRICTED
1.
MINIMUM WIDTH OF WENCH CONTRACTOR ESTIMATES 3' TO REDUCE
7 HEAVY LOADS COULD DAMAGE ME SPU WATER LINE, THEREFORE
LOSS OF PEA GRAVEL.
PIPE PROTECTION INCLUDING BRIDGING MAY BE NECESSARY IF
2.
SPEED SHORE WM FINN FORM BOARDS TO BE USED TO MINIMIZE
HEAVY EQUIPMENT CROSSES ME PIPE
FLOW OF PEA GRAVEL UNDER PIPE.
8 SPU OPERATIONS IS TO BE OVEN AT LEAST 2 WEEKS' NOTICE TO
3.
BACKFlLL WENCH WM CRUSHED ROCK AND BED SPU WATER LINE
PARTICIPATE IN A PRE-CONSRUCRON MEETING
W M NEW PEA GRAVEL.
9. SPU OPERATIONS OR ENGINEERING WILL NEED TO MONITOR AND
INSPECT CONSTRUCTION AROUND THE SPU WATER LINE.
10. ANY WORK IN CLOSE PROXIMITY TO SPU'S WATER LINE,
INCLUDING LOCATING BY POTHOING, MUST BE SUPERVISED BY
SPU. CALL SPOTS LAKE POUNDS HEADQUARTERS W TH 72 HOURS'
NOTICE AT 206-684-J933 OR SPU WATER OPERATIONS CENTER
CROSSING NOTE:
AT 20-733-9300.
IL STRAPS TO BE MONITORED USING BANJO ZEST TO ENSURE
STRAPS ARE CARRYING EQUAL TENSION
1.
WHEN CROSSING SPU'S PIPELINE WM WATER OR SEWER MAINS,
12, STOP WORK AND SUPPORT PIPE BEFORE TRENCHING WHIN 5'
ONE (16' OR 20) SECTION MUST BE CENTERED ON SPU PIPELINE
OF SPU WATER MAIN.
R-401510
IN COMPLIANCE WITH CITY
OF RENTON STANDARDS
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Planning/Building/Public Works Dept.
SPU PIPE SUPPORT PLAN
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