HomeMy WebLinkAbout1.2-6825 Ph 2 Record DrawingT
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LEGEND:
CONSTRUCT SEWER PER CITY STANDARDS
ABBREVIATIONS
CL
CENTERLINE
INV
INVERT
SD
STORM DRAIN
MH
MANHOLE
CB
CATCH BASIN
JB
JUNCTION BOX
SMH
SEWER MANHOLE
SCO
SEWER CLEANOUT
SDMH
STORM DRAIN MANHOLE
EXIST
EXISTING
ELEV
ELEVATION
R/W
RIGHT OF WAY
T C?.M• 363.22
TOP OF MANHOLE/TOP OF CLEANOUT ELEVATION
s
CONSTRUCT SEWER PER CITY STANDARDS
G
CONSTRUCT SEWER MANHOLE
LF
TYPE "A" PER C.O.B. STD. S-7.
C
CONSTRUCT SEWER CLEANOUT
4" LATERALS
PER C.O.B. STD. S-20.
LF
CONSTRUCT STORM DRAIN PER CITY STANDARDS
3
CONSTRUCT STORM DRAIN
SEWER CLEAN OUT
MANHOLE TYPE "A" PER C.O.B. STD. S-7.
EA
CONSTRUCT CATCH BASIN
TOTAL
TYPE "A" PER C.O.B. STD. S-12.
CL MULTIPLE UTILITY
TRENCH (L SEWER MAIN
5'
4'
TYP 5'
x x TYP.
m3
5' MIN. Il 60"
TO 7' MAX. ° TYP.
17. MIN.
ON DEEP SEWER, SLOPE LATERALS
TO LOT LINE SO THAT THE END OF
LATERAL IS WITHIN REQUIRED
TOLERANCE.
DETAIL
FINISHED STREET
GRADE
36" TYP.I
q R 4,
WATERLINE
Y
J
3
SUMMARY OF IMPROVEMENTS
SEWER IMPROVEMENTS
TOTAL
6" SEWER LINE
100
LF
8" SEWER LINE
1071
LF
4" LATERALS
972
LF
STANDARD MANHOLE
3
EA
SEWER CLEAN OUT
1
EA
STORM DRAIN IMPROVEMENTS
TOTAL
18" STORM DRAIN LINE
391
LF
STORM DRAIN MANHOLES
2
EA
CATCH BASINS
3
EA
1% MIN.
TSET LATERAL PROVIDING PROPER
CLEARANCE UNDER WATERLINE AND
UTILITY TRENCHES
TYPICAL SEWER LATERAL INSTALLATION
* FOR SHALLOW INSTALLATION OF SEWER LATERALS FROM SHALLOW SEWER MAINS,
THE SEWER LATERALS MUST CROSS OVER THE WATER OR UTILITY TRENCH.
THESE INSTALLATIONS MUST RECEIVE SPECIAL TREATMENT FOR LATERALS WHEN
CROSSING OVER THE WATERMAIN.
A SEWER LATERAL CROSSING ABOVE A WATER MAIN SHALL BE CONSTRUCTED OF A
CONTINUOUS 20' SECTION OF CLASS 200 (DR 14 PER AWWA C900) PLASTIC
PIPE OR EQUIVALENT, CENTERED ON THE PIPE BEING CROSSED.
VICINITY MAP
N.T.S.
INDEX
OF SHEETS
SHEET
TITLE
1.
COVER SHEET
2.
NOTES
3.
BISCAYANE DRIVE
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VARDEN STREET
JANUARY 22, 1892.
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CITY RECORDS NO:
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SITE
VICINITY MAP
N.T.S.
INDEX
OF SHEETS
SHEET
TITLE
1.
COVER SHEET
2.
NOTES
3.
BISCAYANE DRIVE
d qj�
VARDEN STREET
CITY OF BAKERSFIELD
KERN COUNTY CALIFORNIA
SEWER AND STORM DRAIN PLANS
VESTING TENTATIVE
TRACT NO. 6825 PHASE 2
NOTE: KEY MAP
-Abb PHASES ARE eYMEE) BY THE SAME ,�,��� /1�DDO��Yj SCALE: 1" = 200'
Ai 1 PH AC`S[ TG BE Lel Ns:FL]IJL�D SI ,UET- N EI ,^, v
ALL PHASES To BE Ct�NS-MU C
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REVISION ® 11
,AI'PRcNtb BY: Dt,r't�
pAN PWLLK IZCP- 6'7008 Exp -7/30/19
NOTE: 1. PRIOR TO THE START OF ANY PHASE OF
CONSTRUCTION, THE CITY CONSTRUCTION
INSPECTION DEPARTMENT SHALL BE GIVEN
24 HOURS NOTICE. TELEPHONE 326-3049
2. ALL MATERIALS SUPPLIED FOR THIS PROJECT
WILL REQUIRE A CERTIFICATE OF COMPLIANCE
STATING THAT THE REQUIREMENTS & STANDARDS
SET FORTH BY THE CITY OF BAKERSFIELD HAVE
BEEN MET.
3. NO CITY INSPECTIONS WILL BE GIVEN FOR THE
WORK IN THIS AREA UNTIL A STREET PERMIT
WITH APPROPRIATE SECURITY AND INSURANCE
HAS BEEN OBTAINED.
ENGINEER'S STATEMENT
THESE PLANS AND SPECIFICATIONS WERE PREPARED BY ME OR
UNDER MY DIRECTION AND TO THE BEST OF MY KNOWLEDGE AND
BELIEF COMPLY WITH CITY OF BAKERSFIELD ORDINANCES, STANDARDS,
AND DESIGN CRITERIA AND INCLUDE ALL IMPROVEMENT REQUIREMENTS
OF THE ADVISORY AGENCY OR OTHER REVIEW BOARD.
I AM RESPONSIBLE FOR ALL CALCULATt NS AN DRAWINGS ON
THESE P S AND N "R ORS. OMIS IONS, R VIOLATIONS OF
THOS ORDIi�lAN S, STA RDS AND ESIGN RITERIA SHALL BE
CO ECTED @U NG CONS Q'TIION.
IN ACCORDANCE WITH THE CONDITIONS OF THE VESTING TENTATIVE MAP, THE
IMPROVEMENT PLANS HAVE BEEN REVIEWED BY THE CITY OF BAKERSFIELD
PUBLIC WORKS DEPARTMENT. ALL IMPROVEMENTS INDICATED AS "PRIVATE"
HEREIN ARE PRIVATE AND ARE TO BE PRIVATELY MAINTAINED.
APPROVED BY: NICOLAS FIDLER, Pte" PUBLIC WORKS DIRECTOR
R.C.E. NO. 61069 EXP. 12-31-14
�0 REVIEWED
m
ASSISTANT PUBLIC
DATE
6-1z- 14
DIRECTOR
DIG ALERT
Call: TOLL FREE
1-800-227-2600
AT LEAST TWO DAYS
BEFORE YOU DIG
UNDERGROUND SERVICE ALERT
OF SOUTHERN CALIFORNIA
BASIS OF BEARINGS:
THE BEARING OF N. 89'06'48" W. SHOWN FOR THE
NORTH LINE OF THE NORTHEAST QUARTER OF SECTION
30, T. 30S., R. 27E. ON K.C.S. FILED MAP NO. 7-1 BK.
6, PG. 26 IN THE OFFICE OF THE KERN COUNTY
SURVEYOR WAS USED AS THE BASIS OF BEARINGS
SHOWN HEREON.
BENCHMARK USED:
TOP OF CONCRETE MONUMENT IN LAMPHOLE AT THE
INTERSECTION OF OLD RIVER ROAD AND BERKSHIRE ROAD.
ELEVATION = 346.42' (USGS DATUM)
j IN�4�
LEGAL DESCRIPTION: 07 ®j®_ 4
LOTS 15 AND 16 OF SECTION 30, TOWNSHIP 30 SOUTH,
RANGE 27 EAST, M.D.M., CITY OF BAKERSFIELD,
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APPROV
Y. ROGER A. McINTOSH R.C.E. 33322
EXP. 6-30-16
DATE
o
IN ACCORDANCE WITH THE CONDITIONS OF THE VESTING TENTATIVE MAP, THE
IMPROVEMENT PLANS HAVE BEEN REVIEWED BY THE CITY OF BAKERSFIELD
PUBLIC WORKS DEPARTMENT. ALL IMPROVEMENTS INDICATED AS "PRIVATE"
HEREIN ARE PRIVATE AND ARE TO BE PRIVATELY MAINTAINED.
APPROVED BY: NICOLAS FIDLER, Pte" PUBLIC WORKS DIRECTOR
R.C.E. NO. 61069 EXP. 12-31-14
�0 REVIEWED
m
ASSISTANT PUBLIC
DATE
6-1z- 14
DIRECTOR
DIG ALERT
Call: TOLL FREE
1-800-227-2600
AT LEAST TWO DAYS
BEFORE YOU DIG
UNDERGROUND SERVICE ALERT
OF SOUTHERN CALIFORNIA
BASIS OF BEARINGS:
THE BEARING OF N. 89'06'48" W. SHOWN FOR THE
NORTH LINE OF THE NORTHEAST QUARTER OF SECTION
30, T. 30S., R. 27E. ON K.C.S. FILED MAP NO. 7-1 BK.
6, PG. 26 IN THE OFFICE OF THE KERN COUNTY
SURVEYOR WAS USED AS THE BASIS OF BEARINGS
SHOWN HEREON.
BENCHMARK USED:
TOP OF CONCRETE MONUMENT IN LAMPHOLE AT THE
INTERSECTION OF OLD RIVER ROAD AND BERKSHIRE ROAD.
ELEVATION = 346.42' (USGS DATUM)
j IN�4�
LEGAL DESCRIPTION: 07 ®j®_ 4
LOTS 15 AND 16 OF SECTION 30, TOWNSHIP 30 SOUTH,
RANGE 27 EAST, M.D.M., CITY OF BAKERSFIELD,
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ACCORDING TO THE SALES MAP OF LANDS OF
THE
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KERN COUNTY LAND COMPANY FILED
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JANUARY 22, 1892.
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COUNTY OF KERN, STATE OF CALIFORNIA,
ACCORDING TO THE SALES MAP OF LANDS OF
THE
KERN COUNTY LAND COMPANY FILED
JANUARY 22, 1892.
CITY RECORDS NO:
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STANDARD NOTES
1. GENERAL
CONTRACTOR WILL FURNISH ALL MATERIALS, TOOLS, LABOR, EQUIPMENT AND
SUPERVISION NECESSARY TO COMPLETE INSTALLATION.
UNDERGROUND SERVICE ALERT (USA) SHALL BE NOTIFIED AT LEAST 2 WORKING DAYS
BEFORE CONSTRUCTION. TELEPHONE 1-800-227-2600.
CONTRACTOR TO CALL FOR USA LOCATE AND POTHOLE ALL MARKED UTILITIES THAT CROSS
OR ARE WITHIN 5' HORIZONTAL DISTANCE OF SEWER AND STORM DRAIN LINES. VERTICAL
AND HORIZONTAL LOCATION SHALL BE ASCERTAINED BY THE CONTRACTOR AHEAD OF ANY
EXCAVATIONS TO VERIFY THAT THE PROPOSED DESIGN DOES NOT CONFLICT WITH ANY
UTILITIES. IN THE EVENT A CONFLICT EXISTS THE ENGINEER MALL BE NOTIFIED IN ORDER
TO REDESIGN THE ALIGNMENT. IF RELOCATION OF EXISTING UTILITiES IS DEEMED NECESSARY
THE CONTRACTOR SHALL BE COMPENSATED FOR INSTRUCTED RELOCATION. IF REDESIGN OF
THE ALIGNMENT REQUIRES ADDITIONAL FITTINGS, PIPE OR EXCAVATION THE CONTRACTOR
SHALL BE COMPENSATED FOR REVISION. IN THE EVENT A UTILITY IS DAMAGED THE
CONTRACTOR SHALL BE WHOLLY RESPONSIBLE FOR ITS REPAIR.
CONTRACTOR SHALL VERIFY LOCATIONS AND ELEVATIONS OF EXISTING SEWER LINES THAT
THE NEW SYSTEM TiES INTO PRIOR TO TRENCHING. ANY DISCREPANCIES SHALL BE
REPORTED TO THE ENGINEER SO THAT ANY NECESSARY ADJUSTMENTS MAY BE MADE.
UTILITIES SHALL BE THOROUGHLY RESEARCHED AND LOCATED BY CONTRACTOR PRIOR
TO TRENCHING. CROSSING UTILITIES SHALL BE DAYUGHTED AND CHECKED FOR GRADE,
BY CONTRACTOR PRIOR TO TRENCHING.
ALL EXISTING IMPROVEMENTS. (CURB, GUTTER, SIDEWALK, CROSS GUTTER, FENCES,
ETC.) THAT ARE REMOVED, DAMAGED OR UNDERCUT SHALL BE REPAIRED OR REPLACED
AS DIRECTED BY THE CITY ENGINEER.
ALL EXISTING PAVING AND SURFACING REMOVED, DAMAGED OR UNDERCUT SHALL BE
REPLACED IN ACCORDANCE WITH THE CITY OF BAKERSFIELD STANDARD DRAWING ST -6.
EXCEPT AS NOTED ON PLANS.
24 HOUR NOTICE: PRIOR TO THE START OF ANY PHASE OF CONSTRUCTION, THE
CITY CONSTRUCTION INSPECTION SECTION SHALL BE GIVEN AT LEAST 24 HOURS
NOTICE. THE SECTION MAY BE NOTIFIED AT (661) 326-3049
AN OPEN STREET PERMIT SHALL BE OBTAINED FROM THE CITY OF BAKERFIELD PUBLIC WORKS
DEPARTMENT FOR ANY WORK PERFORMED WITH EXISTING ACCEPTED STREET RIGHT-OF-WAY.
UNLESS SECURED BY AN IMPROVEMENT AGREEMENT, APPROVED INSURANCE AND SECURITY BASED
ON AN APPRROVED ENGINEER'S ESTIMATE FOR THE WORK PERFORMED WITHIN THE RIGHT-OF-WAY
SHALL BE POSTED PRIOR TO ISSUANCE OF THE PERMIT.
2. STANDARD DETAILS
THE FOLLOWING CITY OF BAKERSFIELD STANDARDS
SHALL BE CONSIDERED PART OF THESE PLANS -
S -6, S-7, S-8, S-9, S-10, S-11,
S-12, S-20, S-22.
3. VCP INSTALLATION
MATERIALS : THE PIPE AND FITTINGS SHALL BE EXTRA STRENGTH VITRIFIED CLAY
CONFORMING TO CURRENT ASTM SPECIFICATION C-700 AND SHALL BE INSTALLED IN
CONFORMANCE WITH THE PROVISIONS OF SECTION 71 OF THE STANDARD SPECIFICATIONS
OF THE STATE OF CALIFORNIA, DEPARTMENT OF TRANSPORTATION, CURRENT EDITION
AND THE CURRENT ASTM SPECIFICATIONS C-12.
JOINTS : THE PIPE AND FITTINGS SHALL HAVE A SOCKET END AND A SPIGOT END
WITH COMPRESSION JOINTS CONFORMING WITH THE CURRENT ASTM SPECIFICATION
C-425.
THE PIPE AND FITTINGS FOR 6", 8% 10% AND 12" SANITARY SEWER MAINS MAY
BE PLAIN -ENO WITH COMPRESSION COUPLINGS CONFORMING WITH THE CURRENT ASTM
SPECIFICATION C-425. EXCEPTING THAT A STAINLESS STEEL SHEAR RING AS
MANUFACTURED BY MISSION CLAY PRODUCTS CORPORATION FOR THEIR "MAINLINE"
BANDSEAL COMPRESSION COUPLING, OR APPROVED EQUAL, SHALL BE REQUIRED.
THE PIPE AND FITTINGS FOR PRIVATE SANITARY SEWER HOUSE OR BUILDING
LATERALS MAY BE PLAIN -END WITH COMPRESSION COUPLINGS CONFORMING WITH THE
CURRENT ASTM SPECIFICATION C-425. (STAINLESS STEEL SHEAR RINGS ARE NOT
REQUIRED)
4. ABS PIPE INSTALLATION
MATERIALS : PIPE AND FITTINGS SHALL MEET THE REQUIREMENTS OF THE CURRENT
ASTM SPECIFICATIONS 0-2680 AND D-2751. PIPE AND FITTINGS SHALL BE HOMOGENEOUS
THROUGH OUT AND FREE FROM CRACKS, HOLES, FOREIGN INCLUSIONS OR OTHER
INJURIOUS DEFECTS. FITTINGS SHALL BE INJECTION MOLDED AND SHALL BE INSTALLED
IN LINE ON NEW PIPELINES; CUT -IN FITTINGS ARE NOT PERMITTED.
JOINTS : USE ONLY SOLVENT WELDED JOINTS. THE ASSEMBLY OF JOINTS SHALL BE
IN ACCORDANCE WITH THE MANUFACTURER'S RECOMMENDATIONS. WHERE ABS PIPE
CONNECTS TO VCP, USE COUPLINGS APPROVED BY THE CITY OF BAKERSFIELD.
INSTALLATION : PIPE AND FITTINGS SHALL BE INSTALLED IN ACCORDANCE WITH
THE CURRENT ASTM SPECIFICATION D-2321. ONLY CLASS 1, 11, AND Ili EMBEDMENT
MATERIALS WILL BE CONSIDERED SUITABLE.
5. PVC PIPE INSTALLATION
MATERIALS : PIPE AND FITTINGS SHALL MEET THE REQUIREMENTS OF THE CURRENT
ASTM SPECIFICATION D-3034 FOR SDR35. PIPE AND FITTINGS SHALL BE HOMOGENEOUS
THROUGHOUT AND FREE FROM CRACKS, HOLES, FOREIGN INCLUSIONS OR OTHER
INJURIOUS DEFECTS. FITTINGS SHALL BE INJECTION MOLDED AND SHALL BE INSTALLED
IN LINE ON NEW PIPELINES; CUT -IN FITTINGS ARE NOT PERMITTED.
,HINTS : USE ONLY ELASTOMERIC GASKET JOINTS. THE ASSEMBLY OF JOINTS SHALL
BE IN ACCORDANCE WITH THE MANUFACTURER'S RECOMMENDATIONS WHERE PVC PiPE
CONNECTS TO VCP PIPE, USE COUPLINGS APPROVED BY THE CITY OF BAKERSFIELD.
INSTALLATION : PIPE AND FITTINGS SHALL BE INSTALLED IN ACCORDANCE WITH
THE CURRENT ASTM SPECIFICATION D-2321. ONLY CLASS 1, 11, AND III EMBEDMENT
MATERIALS WILL BE CONSIDERED SUITABLE.
6. REINFORCED CONCRETE PIPE WITH PVC LINING.
REINFORCED CONCRETE PIPE WITH PVC LINING SHALL MEET THE FOLLOWING
REQUIREMENTS:
1.A. MATERIALS. REINFORCED CONCRETE PIPE (RCP) SHALL BE EITHER CLASS IV
OR CLASS V WITH WALLS "B" OR "C" RCP SHALL MEET ASTM C 76 FOR STRENGTH,
ASTM C 361 OR AWWA C302 EXCEPT TEST PRESSURE SHALL BE 5 PSI FOR RUBBER
GASKETS, AND LINER TESTS IN ACCORDANCE WITH THE FOLLOWING PARAGRAPHS. PIPE
SHALL BE WET CAST, VIBRATED AND STEAM OR WATER CURED. JOINTS SHALL BE BELL
AND SPIGOT DESIGN WITH A CONTAINED 0 -RING GASKET.
PVC LINER SHALL BE CAST INTO THE WALL OF THE RCP AND SHALL COVER 360'
OF THE PIPE. ALL WORK FOR AND IN CONNECTION NTH THE INSTALLATION OF THE
LINING IN CONCRETE PIPE AND FIELD SEALING AND WELDING OF JOINTS SHALL BE DONE
IN STRICT CONFORMITY WITH ALL APPLICABLE SPECIFICATIONS, INSTRUCTIONS AND
RECOMMENDATIONS OF THE LINING MANUFACTURER. LINER SHALL MEET THE FOLLOWING
REQUIREMENTS.
1.B. PHYSICAL PROPERTIES OF LINER. ALL PLASTIC LINER PLATE SHEETS, WELDING
STRIPS AND OTHER ACCESSORY ITEMS, SHALL HAVE THE FOLLOWING PHYSICAL PROPERTIES
WHEN TESTED AT 77F t5 (25-C t3 ).
PROPERTY INITIAL (PAR 1.C)
TENSILE STRENGTH 2200 PSI MIN. 2100 PSI MIN.
(15 MPA MIN.) (14.5 MPA MIN.)
ELONGATION AT BREAK 200% MIN. 200% MIN.
SHORE DUROMETER, TYPE D 1 -SEC. 50-60 t5
(WITH RESPECT TO INITIAL TEST RESULT) 10 -SEC. 35-50 t5
WEIGHT CHANGE f1.5
TENSILE SPECIMENS SHALL BE PREPARED AND TESTED IN ACCORDANCE WITH ASTM
D412 USING DIE B. WEIGHT CHANGE SPECIMENS SHALL BE 1 -INCH (25 -MM) BY
3 -INCH (75 -MM) SAMPLES. SPECIMENS FOR TESTING OF INITIAL PHYSICAL
PROPERTIES MAY BE TAKEN FROM LINER PLATE SHEET AND WELDING STRIP AT ANY
TIME PRIOR TO FINAL ACCEPTANCE OF THE WORK.
LINER PLATE LOCKING EXTENSIONS EMBEDDED IN CONCRETE SHALL WITHSTAND A
TEST PULL OF AT LEAST 100 POUNDS PER LINEAR INCH (1800 KG/M), APPLIED
PERPENDICULARLY TO THE CONCRETE SURFACE FOR A PERIOD OF ONE MINUTE, WITHOUT
RUPTURE OF THE LOCKING EXTENSIONS OR WITHDRAWAL FROM EMBEDMENT. THIS TEST
SHALL BE MADE AT A TEMPERATURE OF 70' - 80' F(21' - 27' C) INCLUSIVE.
ALL
PLASTIC LINER PLATE SHEETS INCLUDING LOCKING EXTENSIONS ALL JOINT
CORNER AND WELDING STRIPS SHALL BE FREE OF CRACKS, CLEAVAGES OR OTHER DEFECTS
ADVERSELY AFFECTING THE PROTECTIVE CHARACTERISTICS OF THE MATERIAL THE
ENGINEER MAY AUTHORIZE THE REPAIR OF SUCH DEFECTS BY APPROVED METHODS.
THE LINING SHALL HAVE GOOD IMPACT RESISTANCE, SHALL BE FLEXIBLE AND SHALL
HAVE AN ELONGATION SUFFICIENT TO BRIDGE UP TO 1/4 -INCH (6 MM) SETTLING
CRACKS, WHICH MAY OCCUR IN THE PIPE OR IN THE JOINT AFTER INSTALLATIONS,
WITHOUT DAMAGE TO THE LINING.
I.C. CHEMICAL RESISTANCE OF LINER.* AFTER CONDITIONING TO CONSTANT
WEIGHT AT 110 F(43 C), TENSILE SPECIMENS AND WEIGHT CHANGE SPECIMENS SHALL
BE EXPOSED TO THE FOLLOWING SOLUTIONS FOR A PERIOD OF 112 DAYS AT 77' F t5
(25' C t3 ).
AT 28 -DAY INTERVALS, TENSILE SPECIMENS AND WEIGHT CHANGE SPECIMENS
SHALL BE REMOVED FROM EACH OF THE CHEMICAL SOLUTIONS AND TESTED IN
ACCORDANCE WITH SECTION 7-2.03(1.8) PARA. 2 ABOVE. IF ANY SPECIMEN FAILS TO
MEET THE 112 -DAY REQUIREMENTS BEFORE COMPLETION OF THE 112 -DAY EXPOSURE,
CHEMICAL SOLUTION
SULFURIC ACID
SODIUM HYDROXIDE
AMMONIUM HYDROXIDE
NITRIC ACID
FERRIC CHLORIDE 1%
SOAP
DETERGENT
(LINEAR ALKYL BENZYL SULFONATE OR LAS
BACTERIOLOGICAL
CONCENTRATION
20%**
5%
5%**
1 %**
1%
0.1%
0.1%
BOD NOT LESS THAN 700 PPM
*THIS IS TO BE USED AS A PRE -QUALIFICATION TEST AND WHEN MATERIAL
FORMULATIONS ARE CHANGED.
**VOLUMETRIC PERCENTAGES OF CONCENTRATED C.P. GRADE REAGENTS.
I.D. DETAILS AND DIMENSIONS OF LINER SHEETS. LINER SHEETS SHALL BE A
MINIMUM OF 0.065 INCH (1.65 MM) IN THICKNESS. LOCKING EXTENSIONS OF THE
SAME MATERIAL AS THAT OF THE LINER SHALL BE INTEGRALLY EXTRUDED WITH THE
SHEET.
I.E. INSTALLATION OF LINING. INSTALLATION OF THE LINING, INCLUDING PREHEATING
OF SHEETS IN COLD WEATHER AND THE WELDING OF ALL JOINTS, SHALL BE DONE IN
ACCORDANCE WITH THE RECOMMENDATIONS OF THE LINER MANUFACTURER.
COVERAGE OF THE LINING SHALL NOT BE LESS THAN THE MINIMUM SHOWN ON
THE PLANS.
THE LINING SHALL BE INSTALLED WITH THE LOCKING EXTENSIONS RUNNING PARALLEL
WITH THE LONGITUDINAL AXIS OF THE PIPE.
THE LINING SHALL BE HELD SNUGLY IN PLACE AGAINST INNER FORMS.
LOCKING EXTENSION SHALL TERMINATE NOT MORE THAN 1-1/2 INCHES (38 MM)
FROM THE ENO OF THE INSIDE SURFACE OF THE PIPE SECTION. JOINT FLAPS WHEN
USED SHALL EXTEND APPROXIMATELY 4 INCHES (100 MM) BEYOND THE ENO OF THE
INSIDE SURFACE.
CONCRETE POURED AGAINST LINING SHALL BE VIBRATED, SPADED OR COMPACTED IN
A CAREFUL MANNER SO AS TO PROTECT THE LINING AND PRODUCE A DENSE,
HOMOGENOUS CONCRETE, SECURELY ANCHORING THE LOCKING EXTENSIONS INTO THE
CONCRETE.
IN REMOVING FORMS, CARE SHOULD BE TAKEN TO PROTECT THE LINING FROM
DAMAGE. SHARP INSTRUMENTS SHALL NOT BE USED TO PRY FORMS FROM LINED
SURFACES. WHEN FORMS ARE REMOVED, ANY NAILS THAT REMAIN IN THE LINING SHALL
BE PULLED, WITHOUT TEARING THE LINING, AND THE RESULTING HOES CLEARLY MARKED.
ALL NAIL AND TiE HOLES AND ALL CUT, TORN AND SERIOUSLY ABRADED AREAS IN
THE LINING SHALL BE PATCHED. PATCHES MADE ENTIRELY WITH WELDING STRIP SHALL
BE FUSED TO THE LINER OVER THE ENTIRE PATCH AREA. LARGER PATCHES MAY
CONSIST OF SMOOTH LINER SHEET APPLIED OVER THE DAMAGED AREA WITH ADHESIVE.
ALL EDGES MUST BE COVERED WITH WELDING STRIP FUSED TO THE PATCH AND THE
SOUND LINING ADJOINING THE DAMAGED AREA.
HOT JOINT COMPOUNDS, SUCH AS COAL TAR, SHALL NOT BE POURED OR APPLIED
TO THE LINING.
THE CONTRACTOR SHALL TAKE ALL NECESSARY MEASURES TO PREVENT DAMAGE TO
INSTALLED LINING FROM EQUIPMENT AND MATERIALS USED IN OR TAKEN THROUGH THE
WORK.
1.F APPLICATION TO CONCRETE PIPE - SPECIAL REQUIREMENTS. THE LINING
SHALL BE SET FLUSH WITH THE INNER EDGE OF THE BELL OR SPIGOT END OF A PIPE
SECTION AND SHALL EXTEND TO THE OPPOSITE END OR TO APPROXIMATELY 4 INCHES
(100 MM) BEYOND THE OPPOSITE ENO DEPENDING UPON THE TYPE OF LINING JOINT
TO BE MADE WITH THE ADJOINING CONCRETE PIPE.
WHEREVER CONCRETE PIPE OR CAST -IN-PLACE STRUCTURES PROTECTED WITH LINING,
JOIN STRUCTURES NOT SO LINED (SUCH AS BRICK STRUCTURES, CONCRETE PIPE OR
CAST -IN-PLACE STRUCTURES WITH CLAY LINING OR CLAY PIPE), THE LINING SHALL BE
EXTENDED OVER AND AROUND THE END OF THE PIPE AND BACK INTO THE STRUCTURE
FOR NOT LESS THAN 4 INCHES (100 MM). THIS PROTECTING CAP MAY BE MOLDED
OR FABRICATED FROM THE LINING MATERIAL BUT NEED NOT BE LOCKED INTO THE PIPE.
WHERE A PIPE LATERAL (NOT OF PLASTIC LINED CONCRETE) IS INSTALLED THROUGH
LINED CONCRETE PIPE, THE SEAL BETWEEN THE LINED PORTION AND THE LATERAL SHALL
BE PER THE MANUFACTURER'S RECOMMENDATIONS.
LINED CONCRETE PIPE MAY BE CURED BY STANDARD CURING METHODS.
CARE SHALL BE EXERCISED IN HANDLING, TRANSPORTING AND PLACING LINED PIPE
TO PREVENT DAMAGE TO THE LINING. NO INTERIOR HOOKS OR SLINGS SHALL BE USED
IN LIFTING PIPE. ALL HANDLING OPERATION SHALL BE DONE WITH AN EXTERIOR SUNG OR
NTH A SUITABLE FORK LIFT.
ON PIPE HAVING A 360' LINER COVERAGE, THE LONGITUDINAL EDGES OF THE
SHEET SHALL BE BUTT WELDED. WHEN PIPE TUBES ARE FURNISHED, THESE ARE
SHOP -WELDED JOINTS.
NO PIPE WITH DAMAGED LINING WILL BE ACCEPTED UNTiL THE DAMAGE HAS BEEN
REPAIRED TO THE SATISFACTION OF THE ENGINEER.
1.G. FIELD JOINTS IN LINING FOR CONCRETE PIPE. THE JOINT BETWEEN
SECTIONS OF LINED PIPE SHALL BE PREPARED IN THE FOLLOWING MANNER:
IF REQUIRED, THE INSIDE JOINT SHALL BE FILLED AND CAREFULLY POINTED WITH
CEMENT MORTAR IN SUCH A MANNER THAT THE MORTAR SHALL NOT, AT ANY POINT,
EXTEND INTO THE PIPE BEYOND THE STRAIGHT LINE CONNECTING THE SURFACES OF THE
ADJACENT PIPE SECTIONS.
PIPE JOINTS MUST BE DRY BEFORE LINING JOINTS ARE MADE.
ALL MORTAR AND OTHER FOREIGN MATERIAL SHALL BE REMOVED FROM LINING
SURFACES ADJACENT TO THE PIPE JOINT, LEAVING THEM CLEAN AND DRY.
FIELD JOINTS IN THE LINING AT PIPE JOINTS MAY BE EITHER OF THE FOLLOWING
DESCRIBED TYPES:
TYPE P-1: THE JOINT SHALL BE MADE WITH A SEPARATE 4 -INCH (100 -MM)
JOINT STRIP AND TWO WELDING STRIPS. THE 4 -INCH (100 -MM) JOINT STRIP SHALL BE
CENTERED OVER THE JOINT, HEAT -SEALED TO THE LINING, THEN WELDED ALONG EACH
EDGE TO ADJACENT LINER SHEETS WITH A 1 -INCH (25 -MM) WELD STRIP. THE 4 -INCH
(100 -MM) JOINT STRIP SHALL LAP OVER EACH SHEET A MINIMUM OF 1/2 INCH (13
MM).
TYPE P-2: THE JOINT SHALL BE MADE WITH A JOINT FLAP WITH LOCKING
EXTENSIONS REMOVED AND EXTENDING APPROXIMATELY 4 INCHES (100 MM) BEYOND
THE PIPE END. THE JOINT FLAP SHALL OVERLAP THE LINING IN THE ADJACENT PIPE
SECTION A MINIMUM OF 1/2 INCH (13 MM) AND BE HEAT -SEALED IN PLACE PRIOR
TO WELDING. THE FIELD JOINT SHALL BE COMPLETED BY WELDING THE FLAP TO THE
LINING OF THE ADJACENT PIPE USING 1 -INCH (25 -MM) WELD STRIP.
CARE SHALL BE TAKEN TO PROTECT THE FLAP FROM DAMAGE. EXCESSIVE TENSION
AND DISTORTION IN BENDING BACK THE FLAP TO EXPOSE THE PIPE JOINT DURING LAYING
AND JOINT MORTARING SHALL BE AVOIDED. AT TEMPERATURES BELOW 50 F(10 C),
HEATING OF THE LINER MAY BE REQUIRED TO AVOID DAMAGE.
THE JOINT FLAP OR STRIP ON BEVELED PIPE SHALL BE TRIMMED TO A WIDTH
(MEASURED FROM THE ENO OF THE SPIGOT) OF APPROXIMATELY 4 INCHES (100 MM)
FOR THE ENTIRE CIRCUMFERENTIAL LENGTH OF THE LINING.
ALL WELDING OF JOINTS IS TO BE IN STRICT CONFORMANCE WITH THE
SPECIFICATIONS AND INSTRUCTIONS OF THE LINING MANUFACTURER.
WELDING SHALL FUSE BOTH SHEETS AND WELD STRIP TOGETHER TO PROVIDE A
CONTINUOUS JOINT EQUAL IN CORROSION RESISTANCE AND IMPERMEABILITY TO THE LINER
PLATE.
HOT-AIR WELDING TOOLS SHALL PROVIDE EFFLUENT AIR TO THE SHEETS TO BE
JOINED AT A TEMPERATURE BETWEEN 500 AND 600 F (260 AND 316 C).
WELDING TOOLS MALL BE HELD APPROXIMATELY 1/2 INCH (13 MM) FROM AND MOVED
BACK AND FORTH OVER THE JUNCTION OF THE TWO MATERIALS TO BE JOINED. THE
WELDING TOOL SHALL BE MOVED SLOWLY ENOUGH AS THE WELD PROGRESSES TO CAUSE
A SMALL BEAD OF MOLTEN MATERIAL TO BE VISIBLE ALONG BOTH EDGES AND IN FRONT
OF THE WELD STRIP.
THE FOLLOWING SPECIAL REQUIREMENT SHALL APPLY WHEN THE LINER COVERAGE IS
360 DEGREES:
WHEN GROUNDWATER IS ENCOUNTERED THE LINING JOINT SHALL NOT BE MADE UNTIL
PUMPING OF GROUNDWATER HAS BEEN DISCONTINUED FOR AT LEAST THREE DAYS AND
NO VISIBLE LEAKAGE IS EVIDENT AT THE JOINT.
WHEN WELDING THE DOWNSTREAM SIDE OF A JOINT STRIP OR FLAP, 00 NOT WELD
6 TO 8 INCHES (150 TO 200 MM) AT THE PIPE INVERT TO PROVIDE RELIEF OF
POTENTIAL FUTURE GROUNDWATER BUILD-UP.
1.H. APPLICATION TO CAST -IN-PLACE CONCRETE STRUCTURES - SPECIAL
SHEETS SHALL BE Y FITTED AND PROPERLY SECURED T
REQUIREMENTS. LINER SH CLOSELY 0
THE INNER FORMS. SHEETS SHALL BE CUT TO FIT CURVED AND WARPED SURFACES
USING A MINIMUM NUMBER OF SEPARATE PIECES.
UNLESS OTHERWISE SHOWN ON THE PLANS„ THE LINING SHALL BE RETURNED AT
LEAST 3 INCHES (75 MM) AT THE SURFACES OF CONTACT BETWEEN THE CONCRETE
STRUCTURE AND ITEMS NOT OF CONCRETE (INCLUDING MANHOLE FRAMES, GATE GUIDES,
CLAY PIPE OR BRICK MANHOLES AND CLAY OR CAST IRON PIPES). THE SAME
PROCEDURE SHALL BE FOLLOWED AT JOINTS WHERE THE TYPE OF PROTECTIVE LINING IS
CHANGED OR THE NEW WORK IS BUILT TO JON EXISTING UNLINED CONCRETE. AT EACH
RETURN, THE RETURNED LINER SHALL BE SEALED TO THE ITEM IN CONTACT WITH THE
PLASTIC -LINED CONCRETE. IF THE LINER CANNOT BE SEALED WITH ADHESIVE BECAUSE
OF ,
THE JOINT AT THE RETURN BEING TOO WIDE OR ROUGH OR BECAUSE OF SAFETY
REGULATIONS, THE JOINT SPACE MALL BE DENSELY CAULKED WITH LEAD WOOL OR OTHER
APPROVED CAULKING MATERIAL TO A DEPTH OF 2 INCHES (50 MM) AND FINISHED
1.1. TESTING AND REPAIRING DAMAGED SURFACES. AFTER THE PIPE IS
INSTALLED IN THE TRENCH, ALL SURFACES COVERED WITH LINING, INCLUDING WELDS, MALL
BE TESTED WITH AN APPROVED, CONTRACTOR SUPPLIED, ELECTRICAL HOLIDAY DETECTOR
(TINKER & RASOR MODEL NO. AP -W WITH POWER PACK OR APPROVED EQUAL) WITH
THE INSTRUMENT SET BETWEEN 18,000 AND 22,000 VOLTS.
ALL WELDS SHALL BE PHYSICALLY TESTED BY A NONDESTRUCTIVE PROBING METHOD.
ALL PATCHES OVER HOES, OR REPAIRS TO THE LINER WHEREVER DAMAGE HAS
OCCURRED, SHALL BE ACCOMPUSHED IN ACCORDANCE WITH SECTION 7-2.03(1.E) PARA.
8 ABOVE.
EACH TRANSVERSE WELDING STRIP WHICH EXTENDS TO A LOWER EDGE OF THE LINER
WILL BE TESTED BY THE PURCHASING AGENCY. THE WELDING STRIPS MALL EXTEND 2
INCHES (50 MM) BELOW THE LINER TO PROVIDE A TAB. A 10 -POUND (5 KG) PULL
WILL BE APPLIED TO EACH TAB. THE FORCE WILL BE APPLIED NORMAL TO THE FACE OF
THE STRUCTURE BY MEANS OF A SPRING BALANCE. LINER ADJOINING THE WELDING
STRIP WILL BE HELD AGAINST THE CONCRETE DURING APPLICATION OF THE FORCE. THE
10 -POUND (5 KG) PULL WILL BE MAINTAINED IF A WELD FAILURE DEVELOPS, UNTIL NO
FURTHER SEPARATION OCCURS. DEFECTIVE WELDS WILL BE RETESTED AFTER REPAIRS HAVE
BEEN MADE. TABS SHALL BE TRIMMED AWAY NEATLY BY THE INSTALLER OF THE LINER
AFTER THE WELDING STRIP HAS PASSED INSPECTION. INSPECTION SHALL BE MADE
WITHIN 2 DAYS AFTER THE JOINT HAS BEEN COMPLETED IN ORDER TO PREVENT TEARING
THE PROJECTING WELD STRIP AND CONSEQUENT DAMAGE TO THE LINER FROM
EQUIPMENT AND MATERIALS USED IN OR TAKEN THROUGH THE WORK.
SHOP DRAWINGS. CONTRACTOR SHALL SUBMIT MANUFACTURER INFORMATION
SHOWING DIMENSIONAL, MATERIAL AND JOINT CRITERIA TO THE ENGINEER FOR REVIEW,
PIPE TRENCH CLASSIFICATION. RCP CLASS IV SHALL BE INSTALLED PER ASTM
TRENCH DESIGNATION "C". RCP CLASS V SHALL BE INSTALLED PER ASTM TRENCH
DESIGNATION V.
PVC FOR PIPE SIZES 18" AND LESS. POLY VINYL CHLORIDE PIPE SHALL MEET
THE FOLLOWING REQUIREMENTS:
1. MATERIAL. PVC PIPE SHALL MEET OR EXCEED ALL REQUIREMENTS SET FORTH
IN ASTM D 3034 WiTH SDR OF 35. ELASTOMERIC SEALS AND JOINTS SHALL CONFORM
TO ASTM D 3212 AND ASTM F477.
2. TESTING. MANUFACTURING TESTING METHODS SHALL CONFORM TO ASTM
F-679 (T -WALL). CERTIFICATES OF COMPLIANCE SHALL BE MADE AVAILABLE TO THE
ENGINEER.
3. INSTALLATION. INSTALLATION OF PIPE SHALL FOLLOW MANUFACTURER'S
GUIDELINES, THESE SPECIFICATIONS AND ASTM D 2321 "UNDERGROUND INSTALLATION OF
FLEXIBLE THERMOPLASTIC SEWER PIPE.".
4. FIELD TESTS. IN -FIELD PRESSURE TESTS SHALL CONFORM TO THESE
SPECIFICATIONS AND THE FOLLOWING:
DEFLECTION MEASUREMENT OF PVC PIPE. AFTER 30 DAYS OF INSTALLATION THE
CONTRACTOR SHALL MEASURE PIPE DEFLECTION BY PULLING A GO -NO-GO 57a MANDREL
THE MANDREL SHALL BE PULLED THROUGH THE PIPE WITH ROPE BY ONE PERSON
WITHOUT MECHANICAL ADVANTAGE. THE MANDREL SHALL HAVE VANES AT LEAST AS
LONG AS THE PIPE DIAMETER. THE MANDREL SHALL BE USED IN STRICT CONFORMANCE
WITH PIPE AND MANDREL MANUFACTURER'S RECOMMENDATIONS. THE MANDREL
DIAMETER WILL BE CALCULATED USING THE FOLLOWING FORMULA:
MANDREL DIAMETER = BASE PIPE I.D. -(Y/100 X BASE PIPE 1.0.)
WHERE Y = ALLOWABLE DEFLECTION IN % (5%)
BASE I.O. = ACTUAL INSIDE PIPE DIAMETER (PROVIDED BY PIPE
MANUFACTURER)
THE MANDREL SHALL HAVE AN ODD NUMBER OF VANES PITH SEVEN (7)
MINIMUM.
THE MINIMUM LENGTH OF THE CIRCULAR PORTION OF THE MANDREL SHALL BE
EQUAL TO THE NOMINAL DIAMETER OF THE PIPE.
ANY SECTION OF INSTALLED PIPE THAT FAILS THE MANDREL TEST SHALL BE
EXCAVATED, RE -BACKFILLED, RECOMPACTEO AND RETESTED UNTIL THE MANDREL TEST
CAN BE PASSED. RE -ROUNDING WILL NOT BE ALLOWED.
PIPE TRENCH CLASSIFICATION. PVC PIPE SHALL BE INSTALLED PER CITY STANDARD
S-39, AS MODIFIED ON THE CONTRACT PLANS. COMPACTION ABOVE THE PIPE ZONE
SHALL BE AS SHOWN ON THE PLANS.
7. TRENCH EXCAVATION
THE EXCAVATION OF TRENCHES FOR PIPING LAID IN THE GROUND SHALL BE IN
OPEN -CUT FROM THE SURFACE OF THE GROUND EXCEPT WHERE BORING IS REQUIRED.
THE TRENCHES SHALL BE OF WIDTH AS SHOWN ON STANDARD S-39 AND DETAILED
SECTIONS ON THE PLANS FOR PROPER PIPE INSTALLATION.
THE HOLES FOR BELLS AND FITTINGS SHALL BE EXCAVATED BY HAND, TO A WIDTH
PROVIDING UNIFORM BEARING ALONG THE LENGTH OF THE PIPE. IT IS THE INTENTION OF
THESE REQUIREMENTS TO PROVIDE FIRM, UNIFORM BEARING FOR THE PIPE.
CONTRACTOR SHALL PROVIDE TRENCHING IN ACCORDANCE WITH THE DETAILED SECTIONS
PROVIDED IN THE PLANS. SELECTION OF TRENCH TYPES WILL BE AS REQUIRED BY THE
TYPES OF PIPE SELECTED FOR CONSTRUCTION. STORM DRAIN AND UTILITY CONDUIT
INSTALLATIONS SHALL MEET CITY STANDARD S-39.
TRENCH LINES SHALL MEET ALL FEDERAL AND STATE SAFETY REQUIREMENTS.
8. BRACING AND SHORING
EXCAVATION SHALL BE SUPPORTED AS SET FORTH IN THE RULES, ORDERS, AND
REGULATIONS OF THE STATE DIVISION OF INDUSTRIAL SAFETY. IF THE CONTRACTOR
DESIRES TO DEVIATE FROM THE SAFETY ORDERS, HE SHALL SUBMIT DATA BY A
REGISTERED CIVIL ENGINEER TO THE STATE DIVISION OF INDUSTRIAL SAFETY, JUSTIFYING
THE ALTERNATE PROCEDURES TO BE USED. FAILURE TO COMPLY WITH ANY OF THESE
RULES, ORDERS AND REGULATIONS SHALL BE SUFFICIENT CAUSE FOR THE STATE DIVISION
TO IMMEDIATELY SUSPEND ALL WORK. COMPENSATION FOR LOSSES INCURRED BY THE
CONTRACTOR BY SUCH AN EMERGENCY SUSPENSION SHALL NOT BE ALLOWED. DURING
BACKFIWNG, THE BOTTOM OF THE SHORING SHALL BE KEPT ABOVE THE LEVEL OF THE
BACKFILL AT ALL TIMES.
SECTION 6422 OF THE CALIFORNIA LABOR CODE REQUIRES THE CONTRACTOR TO SUBMIT
TO THE ENGINEER A DETAILED PLAN, DRAWING THE DESIGN OF SHORING, BRACING,
SLOPING OR OTHER PROVISIONS TO BE MADE BY THE CONTRACTOR FOR THE PURPOSE
OF WORKER PROTECTION FROM THE HAZARD OF CAVING GROUND DURING THE
EXCAVATION OF TRENCHES NECESSARY FOR THE CONSTRUCTION OF THE PROJECT. IF
SUCH PLAN VARIES FROM THE SHORING SYSTEM STANDARD ESTABLISHED BY THE
CONSTRUCTION SAFETY ORDERS, THE PLANS SHALL BE PREPARED AND CERTIFIED BY A
REGISTERED CIVIL OR STRUCTURAL ENGINEER; HOWEVER, USE OF SYSTEMS THAT ARE
LESS EFFECTIVE THEN THOSE REQUIRED BY THE CONSTRUCTION SAFETY ORDERS IS
PROHIBITED ON THIS PROJECT.
9. TRENCH BACKFILL
TRENCHES SHALL NOT BE LEFT OPEN FARTHER THAN THREE HUNDRED (300) FEET IN
ADVANCE OF PIPE LAYING OPERATIONS OR TWO HUNDRED (200) FEET TO THE REAR
THEREOF, UNLESS OTHERWISE PERMITTED BY THE ENGINEER.
ALL WORK SHALL CONFORM TO THE APPLICABLE SECTIONS OF THE STANDARD
SPECIFICATIONS, DATED JULY, 1992. BEDDING CLASS SHALL BE AS SPECIFIED IN THE
PIPE OPTIONS. STORM DRAIN AND UTILITY CONDUIT INSTALLA11ONS SHALL BE IN
ACCORDANCE WITH CITY STANDARD ST -22, EXCEPT THAT COMPACTION SHALL BE NO LESS
THAN NINETY PERCENT (90%) UP TO THIRTY INCHES (30") FROM FINISHED GRADE.
BACKFILL MATERIALS IN THE PIPE ZONE SHALL BE PLACED IN LAYERS NOT TO EXCEED
TWELVE (12) INCHES SIMULTANEOUSLY, ON EACH SIDE OF THE PIPE, IN SUCH A MANNER
AS NOT TO DAMAGE OR DISTURB THE PIPE OR ITS ALIGNMENT AND GRADE.
BACKFILL MATERIAL ABOVE THE PIPE ZONE SHALL BE FREE OF DELETERIOUS MATERIALS
AND LUMPS OR STONES EXCEEDING THREE (3) INCHES IN GREATEST DIMENSION AND
SHALL BE PLACED IN LAYERS NOT EXCEEDING EIGHTEEN (18) INCHES. EACH LAYER
SHALL BE THOROUGHLY COMPACTED BY VIBRATORY OR MECHANICAL TAMPING, OR BY A
COMBINATION OF THESE METHODS. FLOODING AND JETTING SHALL NOT BE ALLOWED.
THERE MUST BE AT LEAST ONE FOOT OF COVER OVER THE PIPE BEFORE COMPAC11ON
ABOVE THE PIPE ZONE WILL BE ALLOWED.
IMPORTED BEDDING AND BACKFILL MATERIAL SHALL BE OBTAINED, AND ANY EXCESS
BEDDING AND BACKFILL MATERIAL SHALL BE DISPOSED, BY ANY LEGAL MEANS AT THE
DISPOSAL OF THE CONTRACTOR.
10.
THE CONTRACTOR MAY SUBMIT TO THE ENGINEER SIEVE ANALYSIS FOR UTILIZATION OF
IN-SITU MATERIALS.
ACHIEVING FIRM BEDDING BELOW PIPE SPRINGLINE. CONTRACTOR SHALL PROVIDE "FIRM
BEDDING" SUPPORT FOR THE PIPE BELOW THE SPRINGUNE. FIRM BEDDING MEANS THAT
THE PIPE MUST REST ON THE GRANULAR MATERIAL SPECIFIED PREVIOUSLY IN THE
SPECIFICATIONS.
BELL OR COUPLING HOLES SHALL BE CAREFULLY EXCAVATED AT PROPER INTERVALS, SO
THAT NO PART OF THE LOAD IS SUPPORTED BY THE BELLS OR COUPLINGS. DURING
BEDDING AND BACKFILLING, CONSOLIDATION OF MATERIAL AROUND AND UNDER BELLS
AND COUPLINGS SHALL BE AVOIDED.
CONTRACTOR SHALL SHOVEL -SLICE OR HAND TAMP BEDDING IN THE HAUNCH AREAS, AS
THIS WILL MINIMIZE VOIDS BENEATH THE PiPE AND IN THE HAUNCH AREAS.
NOVEL -SLICING OR HAND TAMPING SHALL BE DONE BEFORE THE BEDDING IS BROUGHT
UP TO THE QUARTER POINT OF THE PIPE.
INITIAL BACKFILL. "BEDDING MATERIAL" AS SPECIFIED BY ASTM 2321-8 SHALL BE USED
IN THE PIPE ZONE FOR INITIAL BACKFILL AFTER THE PIPE HAS BEEN PROPERLY LAID
AND INSPECTED, INITIAL BACKFILL SHALL BE PLACED ON BOTH SIDES AND OVER THE
PIPE TO SUCH A DEPTH THAT, AFTER THOROUGH CONSOLIDATION, THE FINAL DEPTH
SHALL BE AT LEAST TO THE ELEVATION SHOWN ON THE PLANS. THE MATERIAL SHALL
BE CONSOLIDATED BY VIBRATORY OR MECHANICAL TAMPING AND THE EQUIPMENT AND
MANNER OF TAMPING MUST BE APPROVED IN WRITING BY THE ENGINEER PRIOR TO
COMMENCING OPERATION. IMPACT EQUIPMENT MAY BE ALLOWED UNDER THE DIRECTION
OF THE ENGINEER. HOWEVER, THE CONTRACTOR IS RESPONSIBLE FOR ANY DAMAGE
RESULTING FROM THE USE OF THIS EQUIPMENT. HYDRA -HAMMER WILL NOT BE
PERMITTED.
SUBSEQUENT BACKFILL. ABOVE THE LEVEL OF INITIAL BACKFILL, THE TRENCH MAY BE
BACKFILLED WITH NATIVE MATERIAL RESULTING FROM TRENCH EXCAVATION, OR AT THE
OPTION OF THE CONTRACTOR, SELECT IMPORTED MATERIALS MAY BE USED. NATIVE
MATERIAL OR IMPORTED MATERIAL MAY BE COMPACTED BY TAMPING AND/OR ROLLING,
USING EQUIPMENT AND METHODS APPROVED BY THE ENGINEER.
WHEN THE CONTRACTOR COMPACTS BY TAMPING ANO/OR ROLLING, THE BACKFILL
MATERIAL SHALL BE PLACED IN LAYERS NOT EXCEEDING EIGHTEEN (18) INCITES IN LOOSE
DEPTH, EACH LAYER BEING THOROUGHLY COMPACTED BY TAMPING AND/OR ROLLING
BEFORE SUCCEEDING LAYERS ARE PLACED.
COMPACTION CE SUBSEQUENT BACKFILL WITHIN TWO AND ONE-HALF (2-1/2) FEET OF
FINISHED PERMANENT SURFACING GRADE SHALL BE ACCOMPLISHED BY TAMPING AND/OR
ROWING AS SPECIFIED ABOVE. WHERE THE TRENCH IS WITHIN THE PAVEMENT ON
STREETS, THE BACKFILL WITHIN TWO AND ONE-HALF (2-1/2) FEET OF FINISHED
PERMANENT GRADE SHALL BE COMPACTED TO NINETY PERCENT (90%) RELATIVE
COMPACTION.
SUBSEQUENT BACKFILL PLACED BY TAMPING AND/OR ROLLING SHALL BE FREE FROM
STONES OR LUMPS EXCEEDING THREE (3) INCHES IN GREATEST DIMENSIONS, VEGETABLE
MATTER, OR OTHER UNSATISFACTORY MATERIALS.
IN NO CASE SHALL JETTING BE ALLOWED FOR BACKFILL COMPACTION WITHIN THE STREET.
WHEN APPROVED BY THE ENGINEER, JETTING MAY BE USED IN NON -STREET AREAS.
BACKFILL TESTING AND COMPACTION. TESTING OF BACKFILL MATERIALS AND COMPACTION
SHALL BE IN ACCORDANCE WITH SEC11ON 19, "EARTHWORK" AND SECTION 6-3,
"TESTING", OF THE STANDARD SPECIFICATIONS, STATE OF CALIFORNIA, DEPARTMENT OF
PUBLIC WORKS, DIVISION OF HIGHWAYS. EACH LAYER OF BACKFILL MATERIAL SHALL
MEET THE COMPACTION, SAND EQUIVALENT, AND GRADA11ON REQUIREMENTS BEFORE THE
NEXT LAYER IS PLACED.
EACH LAYER OF BACKFILL SHALL BE THOROUGHLY COMPACTED TO THE RELATIVE
COMPACTION OF NOT LESS THAN IS SHOWN ON CITY OF BAKERSFIELD STANDARD S-39
AS MODIFIED ON THE CONTRACT PLANS, EXCEPT THAT COMPACTION WITHIN THE
ROADWAY STRUCTURAL SECTION SHALL BE NO LESS THAN NINETY PERCENT (90%)
RELATIVE COMPACTION FOR THE TOP FINISHED 30% AND SHALL BE DETERMINED BY
CALIFORNIA TEST METHODS 216 OR 231, OR ASTM (CURRENT EDITION) D1557 AND ONE
OF THE FOLLOWING D2922 OR D1556.
IF THE RELATIVE COMPACTION, AS DETERMINED BY TESTING, FAILS TO MEET THE
SPECIFIED PERCENTAGE, THE TRENCH SHALL BE RE -EXCAVATED AND RE -COMPACTED.
COMPACTION TESTS WILL BE THE SUBDIVIDERS RESPONSIBILITY. THE NUMBER AND
LOCATIONS OF THE TESTS SHALL BE DETERMINED BY THE CITY ENGINEER.
SEWER PIPE SHALL CONFORM TO THE PLANS, AND THESE SPECIAL PROVISIONS. THE
PRICE PER LINEAL FOOT SHALL INCLUDE BUT NOT BE LIMITED TO EXCAVATION, BEDDING
AND BACKFILL
HANDLING OF MATERIALS. ALL PIPE, FITTINGS, SPECIALS AND CASTINGS MUST BE
CAREFULLY HANDLED AT ALL TIMES. ONLY SUITABLE AND PROPER EQUIPMENT AND
APPLIANCES SHALL BE USED FOR THE SAFE LOADING, HAULING, UNLOADING, HANDLING
AND PLACING OF MATERIALS, SPECIAL CARE SHALL BE EXERCISED SO THAT PREFORMED
RESILIENT JOINTS ON PIPE AND FITTINGS WILL NOT BE DAMAGED. ANY PIPE OR FITTING
WITH A JOINT DAMAGED OR FLATTENED WILL CAUSE THAT PIPE OR FITTING TO BE
REJECTED.
PIPE LAYING. NO PIPE SHALL BE LAiD UNTiL THE ENGINEER INSPECTS AND APPROVES
THE CONDITION OF THE BOTTOM OF THE TRENCH. PIPE SHALL BE INSTALLED IN STRICT
ACCORDANCE WITH MANUFACTURER'S RECOMMENDATIONS. PIPE LAYING SHALL BEGIN
FROM THE DOWNSTREAM END OF THE TRUNK SEWER OR AS DIRECTED BY THE ENGINEER.
PIPE LAYING SHALL PROCEED WITH EACH PIECE LAID TRUE TO UNE AND GRADE, AND IN
SUCH A MANNER AS TO FORM A CLOSE CONCENTRIC JOINT WITH THE ADJOINING PIPE
AND TO PREVENT SUDDEN OFFSETS IN THE FLOW UNE. AS THE WORK PROGRESSES, THE
INTERIOR OF THE PIPE SHALL BE CLEARED OF ALL DIRT AND DEBRIS OF EVERY
DESCRIPTION. PIPE SHALL NOT BE LAID WHEN THE CONDITION OF THE TRENCH OR THE
WEATHER IS UNSUITABLE. AT TiMES WHEN WORK iS NOT IN PROGRESS, OPEN ENDS OF
PIPE AND FITTINGS SHALL BE CLOSED.
WITH BELLED ENO PIPE, BELL HOES SHALL THEN BE EXCAVATED AT EACH JOINT TO
FACILITATE THE JOINT OPERATIONS, AND MALL BE ONLY OF SUFFICIENT SIZE FOR THAT
PURPOSE. iN ORDER THAT BELL HOES MAY BE PROPERLY LOCATED, NOT MORE THAN
SIX (6) HOLES SHALL BE EXCAVATED AHEAD OF ACTUAL PIPE LAYING, ON ACCOUNT OF
THE VARIATIONS IN JOINT CONSTRUCTION OPERATIONS.
CUTTING PIPE. THE CONTRACTOR SHALL PERFORM ALL WORK OF CUTTING PIPE AND
SPECIAL CASTING NECESSARY TO THE ASSEMBLY, ERECTION, AND COMPLETION OF THE
WORK. ALL PIPE SHALL BE CUT TO FIT ACCURATELY, WITH SMOOTH EDGES AND FACES.
THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE CORRECTNESS OF CUTTING AND NO
ADDITIONAL COMPENSATION WILL BE ALLOWED FOR ANY MATERIALS WHICH ARE DAMAGED
OR INCORRECTLY CUT.
PIPELINE TESTING. ALL SEWERS SHALL BE TESTED FOR TIGHTNESS WHEN COMPLETED
AND READY FOR SERVICE. TESTING SHALL BE CONDUCTED IN ACCORDANCE WITH THE
UNIFORM PLUMBING CODE AIR TEST METHOD UPC SEC. 318-6(4), OR THE WATER
EXFILTRATION TEST OR AIR PRESSURE TEST PER SECTION 306-1.4, "TESTING PIPELINES"
OF THE 1994 EDITIONS, "STANDARD SPECIFICATIONS" FOR PUBLIC WORKS CONSTRUCTION,
AND CHAPTER 1.3 OF THE CITY OF BAKERSFIELD SUBDIVISION DESIGN MANUAL, AND THE
PIPE SUPPLIER'S REQUIREMENTS. THE CONTRACTOR SHALL NOTIFY THE ENGINEER 24
HOURS PRIOR TO ANY TESTING.
CLEANING PIPE LINES. CARE SHAM BE EXERCISED IN LAYING OF PIPE LINES TO
EXCLUDE DIRT AND ANY OTHER FOREIGN MATERIAL. WHEN PIPE LAYING IS INTERRUPTED,
AS AT NIGHT, THE PIPE ENDS SHALL BE SUITABLY CLOSED. UPON COMPLETION, AND
BEFORE PLACING INTO SERVICE, ALL LINES SHALL BE FLUSHED AND MANORELLED TO
REMOVE ANY DIRT OR FOREIGN MATERIALS WHICH WOULD CLOG PUMPS, EQUIPMENT,
SPRAY HEADS, ETC. THE CONTRACTOR SHALL MAKE PROVISIONS FOR PREVENTING
FOREIGN MATERIAL FROM BEING FLUSHED INTO AN EXISTING SEWER UNE.
SEWER LATERALS. SEWER LATERALS SHALL CONFORM TO THIS IN EVERY REGARD.
EXISTING SEWER LATERALS SHALL BE LOCATED BY THE CONTRACTOR AND CONNECTED TO
AND EXTENDED OR RECONSTRUCTED ACCORDING TO THE PLANS. COMPRESSION
COUPLINGS MAY BE U1ILI FOR CONNECTING TO EXISTING LATERALS. POSITIVE GRADE
TO THE TRUNK SEWER SHALL BE MAINTAINED AND INVERT GRADES SET AS CALLED ON
THE PLANS. SEWER WYES SHALL BE INSTALLED ON THE TRUNK IN ACCORDANCE WITH
THE PIPE MANUFACTURERS RECOMMENDATIONS. PAYMENT FOR SEWER LATERALS WILL BE
PAID AS SEWER FOR THE APPROPRIATE DIAMETERS.
11. SYSTEM TESTING
A MANDREL TEST AND PRESSURE TEST SHALL BE PERFORMED ON INSTALLED PIPE
IN ACCORDANCE WITH THE CITY OF BAKERSFIELD SUBDIVISION MANUAL AND THE
RECOMMENDATIONS OF THE MANUFACTURER.
PRIOR TO FINAL ACCEPTANCE, ALL SEWER LINES SHALL BE INSPECTED WITH VIDEO EQUIPMENT
DESIGNED FOR THIS PURPOSE. THE TELEVISION CAMERA SHALL HAVE THE CAPABILITY OF ROTATING
360', IN ORDER TO VIEW AND RECORD THE TOP AND SIDES OF THE PIPE, AS REQUIRED. THE VIDEO
INSPECTION SHALL BE WITNESSED BY THE CITY'S CONSTRUCTION INSPECTOR, WHO WILL ALSO INITIAL
AND DATE THE "CHAIN OF CUSTODY" FORM. THE SUBDIVIDER SHALL IMMEDIATELY NOTIFY CITY OF
ANY PIPE LOCATIONS REVEALED TO BE NOT IN COMPLIANCE WITH THE SPECIFICATIONS. A RECORDED
VIDEO CASSETTE, THE COMPLETED "CHAIN OF CUSTODY" FORM AND A WRITTEN LOG (WHICH INCLUDES
THE STATIONING, BASED ON THE STATIONING OF THE APPROVED PLANS, OF ALL CONNECTED LATERALS)
OF THE INSPECTION SHALL BE PROVIDED FOR VIEWING, AND SHALL BE APPROVED BY THE CITY ENGINEER
PRIOR TO ACCEPTANCE. AFTER ACCEPTANCE, THE VIDEO CASSETTE SHALL BECOME THE PROPERTY OF
THE CITY.
12. WYE FITTINGS MALL BE INJECTION MOLDED IN -UNE TYPE AND SHALL BE USED FOR ALL
LATERAL CONNECTIONS AND SHALL BE ROTATED A MINIMUM OF 23 DEGREES ABOVE THE
HORIZONTAL PLANE RUNNING THROUGH THE CENTERLINE OF THE MAIN.
ALL LATERALS SHALL BE 4" IN DIAMETER EXCEPT AS NOTED ON PLANS, EXTENDING A MINIMUM
OF 4' BEYOND THE PROPERTY UNE OR RIGHT-OF-WAY UNE WITH 30" OF COVER AT FLOW LINE. .
SURFACE MARKERS FOR SEWER LATERALS SHALL BE INSTALLED AT THE PROPERTY UNE OR RIGHT-OF-
WAY LINE AS SHOWN IN THE "SEWER LATERAL MARKER" DETAIL, C.O.B. STD. DET. SW -1.
LATERALS SHALL BE A MINIMUM OF 2.25' DEEP AND A MAXIMUM OF 7' DEEP AT PROPERTY UNE OR
RIGHT-OF-WAY UNE AND A MINIMUM OF 2.5' DEEP AT FLOWLINE.
13. ALL SEWER STUBS SHALL BE CLOSED WITH A STANDARD PLASTIC PLUG. SOLVENT WELDED.
14. ALL MANHOLES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE CITY OF BAKERSFIELD
STANDARD DRAWINGS S-7, S-8, AND S-21 AND SECTIONS 70-1.02H AND 71-1.07 OF THE
STANDARD SPECIFICATIONS OF THE STATE OF CALIFORNIA, DEPARTMENT OF TRANSPORTATION,
CURRENT EDITION. ALL CLEANOUTS SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE CITY
OF BAKERSFIELD STANDARD DRAWING S-20.
MANHOLES SHALL BE TYPE "A" FOR PIPES UNDER 48" IN DIAMETER AND TYPE "B" FOR
PIPES 48" IN DIAMETER OR LARGER. UNLESS NOTED OTHERWISE. THE BOTTOM MANHOLE
BARREL AT THE MANHOLE FOUNDATION SHALL BE SET ON A 2" MORTAR BED OR SET ON
KENT -SEAL, IN A GROOVED FOUNDATION.
15. STORM DRAiN PIPE
STORM DRAIN PIPE. CONTRACTOR SHALL UTILIZE RCP PIPE, CLASS iii WITH RUBBER
GASKET JOINTS PER ASTM SPECIFICATION C-76, UNLESS OTHERWISE NOTED ON THE
CONTRACT PLANS.
TO
110
18.
REINFORCED CONCRETE PIPE. REINFORCED CONCRETE PIPE SHALL CONFORM TO THE
PROVISIONS IN SECTION 65, "REINFORCED CONCRETE PIPE", OF THE STANDARD
SPECIFICATIONS AND THESE SPECIAL PROVISIONS.
EXCEPT AS OTHERWISE DESIGNATED BY CLASSIFICATION ON THE PLANS OR IN THE
SPECIFICATIONS, JOINTS FOR CULVERT AND DRAINAGE PiPES SHALL CONFORM TO THE
PLANS OR SPECIFICATIONS FOR STANDARD JOINTS.
HYDROSTATIC TESTS SPECIFIED BY SECTION 65-1.08 "LAYING SIPHON AND PRESSURE
PIPE", OF THE STANDARD SPECIFICATIONS WILL NOT BE REQUIRED.
REINFORCED CONCRETE PIPE SHALL HAVE RUBBER GASKETED JOINTS CONFORMING TO
SECTION 65-1.066, "RUBBER GASKETED JOINTS", OF THE STANDARD SPECIFICATiO+IS.
HANDLING OF MATERIALS. ALL PIPE, FITTINGS, SPECIALS AND CASTINGS MUST BE
CAREFULLY HANDLED AT ALL TiMES. ONLY SUITABLE AND PROPER EQUIPMENT AND
APPLIANCES SHALL BE USED FOR THE SAFE LOADING, HAULING, UNLOADING, HANDLING
AND PLACING OF MATERIALS, SPECIAL CARE SHALL BE EXERCISED SQ THAT PREFORMED
RESILIENT JOINTS ON PIPE AND FITTINGS WILL NOT BE DAMAGED. ANY PIPE OR FITTING
WITH A JOINT DAMAGED OR FLATTENED WILL CAUSE THAT PIPE OR FITTING TO BE
REJECTED.
PIPE LAYING. NO PIPE SHALL BE LAID UNTIL THE ENGINEER INSPECTS AND APPROVES
THE CONDITION OF THE BOTTOM OF THE TRENCH. PIPE SHALL BE INSTALLED IN STRICT
ACCORDANCE NTH MANUFACTURER'S RECOMMENDATIONS.
PIPE LAYING SHALL BEGIN FROM THE DOWNSTREAM END OF THE STORM DRAIN OR AS
DIRECTED BY THE ENGINEER. PIPE LAYING SHALL PROCEED WITH EACH PIECE LAID TRUE
TO UNE AND GRADE, AND IN SUCH A MANNER AS TO FORM A CLOSE CONCENTRIC JOINT
WITH THE ADJOINING PIPE AND TO PREVENT SUDDEN OFFSETS IN THE FLOW LINE. AS THE
WORK PROGRESSES, THE INTERIOR OF THE PIPE SHALL BE CLEARED OF ALL DIRT AND
DEBRIS OF EVERY DESCRIPTION. PIPE SHALL NOT BE LAID WHEN THE CONDITION OF THE
TRENCH OR THE WEATHER IS UNSUITABLE. AT TiMES WHEN WORK IS NOT IN PROGRESS,
OPEN ENDS OF PIPE AND FITTINGS SHALL BE CLOSED.
WITH BELLED END PIPE, BELL HOLES SHALL THEN BE EXCAVATED AT EACH JOINT TO
FACILITATE THE JOINT OPERATIONS, AND SHALL BE ONLY OF SUFFICIENT SIZE FOR THAT
PURPOSE. IN ORDER THAT BELL HOLES MAY BE PROPERLY LOCATED, NOT MORE THAN
SX (6) HOLES SHALL BE EXCAVATED AHEAD OF ACTUAL PIPE LAYING, ON ACCOUNT OF
THE VARIATIONS IN JOINT CONSTRUCTION OPERATIONS.
THE CONTRACTOR SHALL MAKE PROVISIONS FOR PREVENTING FOREIGN MATERIAL FROM
BEING FLUSHED INTO AN EXISTING STORM DRAIN UNE.
CUTTING PIPE. THE CONTRACTOR SHALL PERFORM ALL WORK OF CUTTING PIPE AND
SPECIAL CASTING NECESSARY TO THE ASSEMBLY, ERECTION, AND COMPLETION OF THE
WORK. ALL PIPE SHALL BE CUT TO FIT ACCURATELY, WITH SMOOTH EDGES AND FACES.
THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE CORRECTNESS OF CUTTING AND NO
ADDITIONAL COMPENSATION WILL BE ALLOWED FOR ANY MATERIALS WHICH ARE DAMAGED
OR INCORRECTLY CUT.
CASING OR SMOOTH OUTSIDE WALLED PIPE FOR BORED/JACKED PIPE SHALL BE
INSTALLED. IT SHALL HAVE EVEN BEARING THROUGHOUT ITS LENGTH AND SHALL SLOPE
TOWARD ONE END. SPACE BETWEEN CASING AND PIPELINE SHALL BE BACKFILLED WITH
SAND. IF THE PIPE AND CASING ARE INSTALLED BY BORING, THE SPACE AROUND THE
CASING ALSO SHALL BE BACKFILLED WITH GROUT OR SAND. THE ENDS OF SPACE
BETWEEN THE CASING AND THE PIPE SHALL BE SEALED WITH GROUT. THE STRENGTH
OF PIPE DESIGNATED IN THE PLANS OR SPECIFICATIONS IS DETERMINED FOR VERTICAL
LOAD ONLY ANY ADDITIONAL STRENGTH REQUIRED BY BORING/JACKING OPERATIONS
SHALL BE FURNISHED AT THE CONTRACTOR'S EXPENSE.
THE CONTRACTOR SHALL SUBMIT TO THE ENGINEER FOR APPROVAL ALL PLANS OF
BORING/JACKING OPERATIONS PRIOR TO BORING OR JACKING.
BORING/JACKING OPERATIONS SHALL BE CONDUCTED IN A SAFE AND EFFICIENT MANNER,
CONSISTENT WITH CURRENT ACCEPTED PROCEDURES. WATER BORING SHALL NOT BE
PERMITTED. THE CASING PIPE SHALL BE JACKED WITH SUCH PRECISION THAT WiLL
ALLOW THE REPLACEMENT OF THE PIPELINE TO THE LINE AND GRADE AS INDICATED ON
THE PLANS.
UPON COMPLETION OF THE INSTALLATION OF THE CASING AND INSTALLATION OF THE
PIPELINE TO GRADE, THE VOID BETWEEN THE CASING OR RC PIPE AND THE EXCAVATION
SHALL BE COMPLETELY FILLED WITH SAND, COMPACTED BY THE USE OF AIR -BLOWING
SAND EQUIPMENT OR ANY OTHER MEANS ACCEPTABLE TO THE ENGINEER UPON HIS
APPROVAL.
IT IS THE CONTRACTOR'S RESPONSIBILITY TO MAINTAIN A SAFE OPERATION AT ALL
TiMES. SHOULD THE TUNNEL HEADING OPERATIONS RESULT IN DANGEROUS OR
UNREASONABLE SLOUGHING OF MATERIAL WHICH MAY JEOPARDIZE THE SAFETY OF
WORKERS OR THE STABILITY OF THE SOIL AND ROADWAY ABOVE, THE CONTRACTOR
SHALL FURNISH AND INSTALL BREASTBOAROING ANO/OR FACE CLOSURE WITH
SUFFICIENT JACKS TO INHIBIT THE SLOUGHING AND/OR CLOSING THE WORK FACE.
THE CONTRACTOR, BEFORE RESUMING WORK, SHALL FURNISH THE ENGINEER WITH A
DETAILED PLAN OF PRECEDING WITH THE WORK, FOR HIS REVIEW AND APPROVAL.
ANY AND ALL EXPENSES THEREFORE WILL BE CONSIDERED AS INCLUDED iN THE BID
PRICE ANO NO ADDITIONAL COMPENSATION WILL BE MAGE THEREFORE.
MINOR STRUCTURES. PORTLAND CEMENT CONCRETE MINOR STRUCTURES SHALL
CONFORM, IN DESIGN, MATERIALS, AND CONSTRUCTION, TO THE PROVISIONS OF
SECTIONS 70-1.02 H OF THE STANDARD SPECIFICATIONS AND THESE SPECIAL
PROVISIONS. MANHOLES SHALL CONFORM TO THE CITY OF BAKERSFIELD STANDARDS
S-7 AND S-8. DROP INLETS SHALL CONFORM TO THE CITY OF BAKERSFIELD
STANDARD S-12. TEMPORARY INLET GRATES SHALL CONFORM TO DETAILS ON THE
PLANS.
THE PRECAST CYLINDER, TAPER, AND ECCENTRIC FLAT TOP SECTIONS SHALL MEET THE
STRENGTH REQUIREMENT OF ASTM. C-478. EACH SUCCESSIVE MANHOLE SECTION SHALL
BE SET ON A BED OF PORTLAND CEMENT GROUT OR "KENT SEAL" TO MAKE A
WATERTIGHT JOINT, SHALL BE NEATLY POINTED ON THE INSIDE, AND SHALL BE SET
PLUMB.
SURVEY MONUMENT AND FRAME AND COVER WITH ENCASEMENTS SHALL BE ADJUSTED OR
INSTALLED NEW TO FINISH GRADE AT THE LOCATIONS SHOWN ON THE PLANS, IN
ACCORDANCE 'ATH THESE SPECIAL PROVISIONS, AND CITY STANDARD S-29.
THE SURFACE OF THE CONCRETE SHALL BE PROTECTED FROM PUBLIC TRAFFIC FOR A
MINIMUM OF THREE DAYS.
AT THE OPTION OF THE CONTRACTOR, MINOR CONCRETE CONTAINING A MINIMUM OF
SEVEN SACKS OF CEMENT PER CUBIC YARD MAY BE USED AND THE TiME REQUIRED FOR
PROTECTION OF THE CONCRETE SURFACE FROM PUBLIC TRAFFIC SHALL BE REDUCED TO
A MINIMUM OF ONE DAY.
THE MONUMENT WILL BE SET BY OTHERS. THE OWNER WILL PROVIDE SURVEYS.
CONTRACTOR SHALL GIVE THE OWNER 24 HOURS NOTICE WHEN SURVEYS ARE REQUIRED.
'ANY MONUMENT FRAME OR COVER DAMAGED BY THE CONTRACTOR OR HIS OPERATIONS
SHALL BE REPLACED BY THE CON 0 COST W THE OWNER.
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ABBREVIATIONS
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INV INVERT SCO SEWER CLEANOUT
SD STORM DRAIN SDMH STORM DRAIN MANHOLE
MH MANHOLE EXIST EXISTING
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CONSTRUCT STORM DRAIN PER CITY STANDARDS
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CONSTRUCT CATCH BASIN
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NOTES 1) ALL CATCH BASINS ARE TO BE TYPE "A"
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SHEET WHERE SECTION IS SHOWN
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CL CENTERLINE SMH SEWER MANHOLE
INV INVERT SCO SEWER CLEANOUT
SD STORM DRAIN SDMH STORM DRAIN MANHOLE
MH MANHOLE EXIST EXISTING
CB CATCH BASIN ELEV ELEVATION
JB JUNCTION BOX R/W RIGHT OF WAY
SCP STREET CONSTRUCTION PLAN
_T 0.M. 36322 TOP OF MANHOLE/TOP OF CLEANOUT ELEVATION
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CONSTRUCT SEWER MANHOLE
TYPE 'A" PER C.O.B. STD. S-7.
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mtr CONSTRUCT CATCH BASIN
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SECTION DESIGNATION:
SECTION LETTER
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SHEET *IN SECTION IS SHOW
LINE TABLE
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PIPE SIZE
LENGTH
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