Post on 21-Mar-2020
PLAN DATE: AUG. 2015 INDEXNOT TO SCALE
COFFS HARBOUR CITY COUNCILCONSTRUCTION - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)SECTION
PROJECTPLANNING
AND DESIGN
SHEET 1 - SOIL CLASSIFICATION GUIDELINES
SHEET 2 - EMBEDMENT & TRENCHFILL TYPICAL ARRANGEMENT
SHEET 3 - STANDARD EMBEDMENT
SHEET 4 - TRENCH DRAINAGE
SHEET 5 - SMH DETAIL PRE-CAST
SHEET 6 - SMH DETAIL CAST IN-SITU
SHEET 7 - SMH COVER ARRANGEMENTS
SHEET 8 - SMH CHANNEL & BENCH DETAIL
SHEET 9 - VENTILATION INDUCT VENT / 180 HDPE to 150 SN8 ADAPTOR
SHEET 10 - PRIVATE PUMP STATION SRM CONNECTION DETAIL
SHEET 11 - SCOUR VALVE & PIPEWORK
SHEET 12 - SCOUR VALVE DETAIL
SHEET 13 - SMH PIPE CONNECTION DETAIL
SHEET 14 - PROPERTY CONNECTION DETAIL
SHEET 15 - SOFFIT DESIGN DETAIL
SHEET 16 - SEWER DEADEND DETAIL
SHEET 17 - STOP VALVE THRUST DETAIL
SHEET 18 - THRUST CONNECTOR REO DETAIL
SHEET 19 - MULTIPLE BEND THRUST DETAIL
SHEET 20 - THRUST BLOCK DETAIL
SHEET 21 - LONG SECTION STANDARD
SHEET 22 - W.A.E MINIMUM DETAIL
SHEET 23 - TYPICAL AIR VALVE. AIR VALVE ADAPTORS
SHEET 24 - CAM LOCK SCOUR FITTINGS DETAIL. AIR VALVE ADAPTORS
SHEET 25 - PRIVATE PUMP STATION TO BOUNDARY SHAFT
SHEET 26 - THRUST ANCHORAGE TABLE
SHEET 27 - CONCRETE PIPE ENCASEMENT
SHEET 28 - EARTHING RING DETAL
SHEET 29 - CONSTRUCTION TRAFFIC PIPE REQUIREMENTS
SHEET 30 - GRAVITY SEWER GRADING TABLE
SHEET 31 - PIPE BRIDGING DETAIL
SHEET 32 - WSSA STANDARD DRAWING DESIGN APPROVAL REQUIRED
SHEET 33 - WSSA STANDARD DRAWINGS NOT APPROVED BY CHCC
WATER SERVICES ASSOCIATION OF AUSTRALIAGRAVITY SEWER CODE OF AUSTRALIAPART 1: PLANNING AND DESIGN - THIRD EDITION - VERSION 3.1SEW-1200 ACCEPTEDSEW-1201 ACCEPTEDSEW-1202 ACCEPTED NOT USED IN CHCC STANDARD DRAWING (DESIGN APPROVAL REQUIRED)SEW-1203 ACCEPTED - NOT USED IN CHCC STANDARD DRAWING (DESIGN APPROVAL REQUIRED)SEW-1204 ACCEPTED - NOT USED IN CHCC STANDARD DRAWING (DESIGN APPROVAL REQUIRED)SEW-1205 NO WSAA DRAWINGSEW-1206 MODIFIED TO CHCC BULKHEAD & TRENCHSTOP DETAILSEW-1207 ACCEPTED - NOT USED IN CHCC STANDARD DRAWING (DESIGN APPROVAL REQUIRED)SEW-1208 NOT ACCEPTED BY CHCCSEW-1300 MODIFIED TO CHCC MAINTENANCE HOLE DETAILS SHEET XSEW-1301 MODIFIED TO CHCC MAINTENANCE HOLE DETAILS SHEET XSEW-1302 ACCEPTED - NOT USED IN CHCC STANDARD DRAWING (DESIGN APPROVAL REQUIRED)SEW-1303 ACCEPTED - NOT USED IN CHCC STANDARD DRAWING (DESIGN APPROVAL REQUIRED)SEW-1304 ACCEPTED - NOT USED IN CHCC STANDARD DRAWING (DESIGN APPROVAL REQUIRED)SEW-1305 ACCEPTED - NOT USED IN CHCC STANDARD DRAWING (DESIGN APPROVAL REQUIRED)SEW-1306 NOT ACCEPTED BY CHCCSEW-1307 ACCEPTED - NOT USED IN CHCC STANDARD DRAWING (DESIGN APPROVAL REQUIRED)SEW-1308 MODIFIED TO CHCC STANDARD DRAWINGSSEW-1313 ACCEPTED - NOT USED IN CHCC STANDARD DRAWING (DESIGN APPROVAL REQUIRED)SEW-1314 NOT ACCEPTED BY CHCCSEW-1315 NOT ACCEPTED BY CHCCSEW-1316 NOT ACCEPTED BY CHCCSEW-1317 NOT ACCEPTED BY CHCCSEW-1400 NOT ACCEPTED BY CHCCSEW-1401 ACCEPTED - NOT USED IN CHCC STANDARD DRAWING (DESIGN APPROVAL REQUIRED)SEW-1402 ACCEPTED - NOT USED IN CHCC STANDARD DRAWING (DESIGN APPROVAL REQUIRED)SEW-1403 ACCEPTED - NOT USED IN CHCC STANDARD DRAWING (DESIGN APPROVAL REQUIRED)SEW-1404 NO WSAA DRAWINGSEW-1405 NO WSAA DRAWINGSEW-1406 ACCEPTED - NOT USED IN CHCC STANDARD DRAWING (DESIGN APPROVAL REQUIRED)SEW-1407 MODIFIED TO CHCC VENT STACK DETAILSEW-1408 MODIFIED TO CHCC VENT STACK DETAIL
SHEET INDEX
THE INFORMATION SHOWN HEREWITH ISCOMPILED TO CONFORM WITH AUSSPEC.ANY REFERENCES TO WSA INFORMATIONSHOULD BE CONSISTENT WITH THEAUSSPEC DOCUMENTATION
SEWER STANDARD DRAWINGS INDEX TO COMPONENTS
WIDTH OF BAGS ACROSS FULL TRENCHWIDTH & BOTH SIDE WALLS & FILL
EXCAVATE RECESS 100mm DEEP TO SUIT
THE SPACE BETWEEN EXCAVATED RECESS& PIPE ENTIRELY
WITH SL62 MESH LAID CENTRALLY150mm THICK N20 CONCRETE
COMPRESSIBLE10mm THICK
MEMBRANE AROUND PIPE
SECTION
CONCRETE BULKHEAD DETAIL
TRENCH STOP DETAIL
A-
SECTION B-
F.S.L.
150Min.
F.S.L.
F.S.L.B-
A-
GRANULAR EMBEDMENTMATERIAL AS SPECIFIES
GRANULAR EMBEDMENTMATERIAL AS SPECIFIED
#
# #
100Ø PIPE DRAIN WITH FILTER MEMBRANE COVERING UPSTREAM OPENING
COMPRESSIBLE10mm THICK
MEMBRANE AROUND PIPE
EXCAVATE & COMPACT TRENCH FLOOR TOPROVIDE A FLAT FIRM BASE TO SUPPORT BEDDING MATERIAL & MINIMISE PIPELINESETTLEMENT.ENSURE BEDDING IS DEEP ENOUGH THATPIPE PROJECTIONS (SOCKETS & FLANGES)DO NOT TOUCH TRENCH FLOOR
NOTES
150 min.
100Ø PVC PIPE DRAIN WITHFILTER MEMBRANE COVERINGUPSTREAM OPENING & DIRECT TOEXISTING DRAINAGE SYSTEM ATLOW POINTS.NOTE: FOR TRENCHES 450 TO 600WIDE, USE SINGLE PIPE. FORTRENCHES > 600, USE 100Ø PIPESBOTH SIDES
SEALED WOVEN POLYETHYLENE BAGSMin. 0.25 THICK FILLED WITH CLAY OROTHER IMPERMEABLE MATERIALKEYED IN MIN. 150mm TO SIDE WALLSOF TRENCH
COMPRESSIBLEMEMBRANEAROUND PIPE
PACK BAGSTIGHTLYTOGETHER
100Ø PVC PIPE DRAIN WITHFILTER MEMBRANE COVERINGUPSTREAM OPENING & DIRECTTO EXISTING DRAINAGESYSTEM AT LOW POINTS.NOTE: FOR TRENCHES 450 TO600 WIDE, USE SINGLE PIPE.FOR TRENCHES > 600, USE100Ø PIPES BOTH SIDES
# KEY CONCRETE INTOTRENCH WALL ANDBASE. 75mm IN ROCK150mm IN O.T.R.
300
Nom
.
300
Nom
.
TRENCH STOP AND CONCRETE BULKHEAD NOTES:1. ALL DIMENSIONS ARE IN MILLIMETRES.2. CONSTRUCT CONCRETE BULKHEADS AND TRENCH STOPS AT LOCATIONS SPECIFIED IN DESIGN DRAWINGS.3. BULKHEAD AT A RETAINING WALL TO BE UNDER THE WALL.4. KEY CONCRETE BULKHEADS INTO SIDES AND BOTTOM OF TRENCH AGAINST A BEARING SURFACE OF UNDISTURBED SOIL.5. CONCRETE TO BE CLASS N20.6. DO NOT DEFORM PIPES DURING PLACEMENT OF CONCRETE.7. SEAL BAGS TO PREVENT LEAKAGE OF CONTAINED MATERIAL.8. PROVIDE CONTINUOUS DRAINAGE PATH - THROUGH BULKHEADS AND TRENCH STOPS - AROUND VALVE CHAMBERS - IN TRENCH EXCAVATIONS ACROSS ROADS9. COMPRESSIBLE MEMBRANE AROUND PIPE TO BE 10 THICK POLYSTYRENE FOR BULKHEADS ADJACENT TO KERBS AND 3 THICK RUBBER FOR BULKHEADS AND TRENCH STOPS ON SLOPES.10. FOR SLOPES >30% CONTINUOUSLY ENCASE THE PIPE TO PREVENT MOVEMENT AND
TRANSFERS OF GROUND WATER. WRAP JOINTS TO PREVENT DAMAGE RO RRJ.
NOTE:1. TRENCH STOPS ARE TO BE PLACED ON GRADES 5% TO 14% AND TO BE INCORPORATED WITH CONCRETE BULKHEADS ON GRADES 15% TO 29%2. THE DISTANCE BETWEEN TRENCH STOPS SHOWN ON THE DESIGNS ARE MINIMUM DISTANCES. WHERE THE DISTANCE STATED IS GREATER THAN THE DISTANCE BETWEEN PITS/BENDS/VALVES, A TRENCH STOP IS STILL TO BE PLACED ON THAT LINE.
SELECT BACKFILL75 MAX. STONE
TRENCH TYPE
300
Nom
.
TRENCH FILL INORGNIC MATERIALWITH 75 MAXIMUM STONE SIZE
150 - 300 AS PER
REQUIREMENTS
PLAN DATE: AUG. 2015
SOIL CLASSIFICATION GUIDELINESAND ALLOWABLE BEARING PRESSURES
SHEET1NOT TO SCALE
COFFS HARBOUR CITY COUNCILCONSTRUCTION - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)FOR BULKHEADS SEW-1200
SECTION
PROJECTPLANNING
AND DESIGN
MATERIAL ZONEROAD SURFACE VERGE & TRACK
ROAD TO SURFACESURFACE LAYER MATCH EXISTING COURSE
TO MATCH EXISTING ROADROAD BASE OR TO BASE ROAD OWNER'S REQUIREMENTS
TRENCH FILL TO TRENCH FILL TOROAD OWNER'S ROAD OWNER'SREQUIREMENTS REQUIREMENTS
OR OR TRENCH FILL (AS SPECIFIED ININORGANIC FILL INORGANIC FILL DESIGN DRAWINGS)MATlERIAL WITH MATlERIAL WITH 75 MAXIMUM 75 MAXIMUM STONE SIZE STONE SIZE
EMBEDMENT MATlERIAL IN OVERLAY ACCORDANCE WITH DESIGN DRAWINGS (300mm in Rock) AND WATlER AGENCY REQUIREMENTS. (SEE NOTIE 4) SIDE SUPPORT BEDDING MAYBE OMITTlED IF lRENCH BASE IS BEDDING GRANULAR SAND OR GRAVEL OF SUITABLE GRADING. OVER-EXCAVATION
EMBE
DM
ENT
MINIMUM PIPE COVER
MINIMUMLOCATION COVER #PRIVATE PROPERTYNON VEHICULAR 600NEW DEVELOPMENTS PRIVATE PROPERTY NON VEHICULAR 450EXISTING DEVELOPMENTSPRIVATE PROPERTY 750 VEHICULARFOOTPAlHS, SEALED 900ROADS (NON ARTERIAL)UNSEALED ROADS 1200ARTERIAL ROADS 1200
WHERE MINIMUM COVER CAN NOTBE ACHIEVED. PROVIDE ALTERNATIVEPROTECTION OF THE PIPEUNE
MARKING TAPE #
VEHICULAR LOADINGLEGEND# SPECIFIED BY DESIGNER IN DESIGN DRAWINGS
NOTES:1. ALL DIMENSIONS IN MILUMElRES.
2. SPECIFY SPECIAL BEDDING TO SUIT THE CONDITIONS IF THE lRENCH FLOOR HAS: - IRREGULAR OUTCROPS OF ROCK. - AHBP OF <50 kPa (SEE SEW-1200), OR - BEEN DISTURBED BY UNCONlROLLED GROUND WATER.
3. COMPACT AND EVENLY GRADE FINISHED lRENCH FLOOR .
4. EMBEDMENT, lRENCH FILL AND COMPAC1l0N TO MEET THE REQUIREMENT OF DESIGN DRAWINGS AND WSA 02 PART 3.
5. USE GEOTEXllLE FILTER FABRIC WHERE SPECIFIED.
6. SIDES OF EXCAVA1l0N TO BE KEPT VERllCAL TO AT LEAST 150 ABOVE THE PIPE.
SPRING LINE TRENCH CLEARANCE
NOMINAL MINIMUM DIAMElER CLEARANCE DN "Lc"
<150 <100>150- <300 150>300- <450 200>450- < 900 300>900- <1500 350
TRENCH WlDlH TO BE SUFFICIENT TO SAFELY LAY PIPE AND COMPACT lHE SIDE SUPPORT ZONE.
ZONE MATERIAL
TOPSOIL ORIGINAL OR OR IMPORTED MATERIAL PAVEMENT TO MATCH EXISTING
INORGANIC FILL MATERIAL TRENCH FILL WITH 75 MAXIMUM STONE STONE SIZE
OVERLAY EMBEDMENT MATERIAL IN (300mm Rock) ACCORDANCE WITH DESIGN DRAWINGS AND WATER AGENCY REQUIREMENTS SIDE (SEE NOTE 4) SUPPORT BEDDING MAYBE OMITTED BEDDING IF TRENCH BASE IS GRANULAR SAND OR GRAVEL OVER-EXCAVATION OF SUITABLE GRADING
EMBE
DM
ENT
NO VEHICULAR LOADINGINCLUDES LOCATl0NS WHERE OCCASSIONAL VEHICLE LOADING OCCURS EG RESERVES AND FOOTWAYS
PROVIDE POCKETS IN BEDDING.AT JOINTS PRIOR TO LAYINGPIPES. FILL VOID DURINGCOMPLE1l0N OF EMBEDMENT. PIPE JOINT BEDDING POCKETS
FOR JOINT PROJECTlONS (SOCKETS. FLANGES ETC)
25-5
0
DESIGN INVERT LEVEL
SPRING LINE
GEOTEXTILE(SEE NOTE 5)
HAUNCH SUPPORT
150 MIN
COVER
PLAN DATE: AUG. 2015
EMBEDMENT & TRENCHFILL
SHEET 2NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)TYPICAL ARRANGEMENT
SECTION
PROJECTPLANNING
AND DESIGN
RECOVERED TOPSOIL& SEED FOR GRASS
TRENCH TYPE 1uPVC PIPE
INORGANIC BACKFILL
Min
.75
SAND
COMPACTED CLEAN
COLOUR CODEDDETECTABLE TAPE
PRESTENCILLED &
BEDD
ING
WRAPPED D.I.C.L. &15
0 M
IN. N
ON
TRAF
FICA
BLE
300
MIN
. TRA
FFIC
ABLE
& R
OCK
** DETECTABLE TAPE NOT REQUIRED FOR SEWER GRAVITY MAINS
NON-COHESIVE GRADEDGRANULAR MATERIAL**(MUST BE FOR FULLWIDTH AND FULL HEIGHT)
& 30mm THICK A.C.10
Var.
300
Min
.No
m.
TO DESIGN SUBGRADE LEVEL
150
14:1 SAND/CEMENT MIX
TACK COAT
BASE
ROAD
BEDD
ING
SAND
Min
.75
TRENCH TYPE 2TRENCH IS WITHIN 300mm OF EXISTING SEAL
MIN.300300
MIN.
SAWCUT EDGES OF TRENCH
WRAPPED D.I.C.L. IN SEALED ROAD & WHERE
CODED DETECTABLE TAPEPRESTENCILLED & COLOUR
IN SEALED ROAD
NON-COHESIVE GRADEDGRANULAR MATERIAL**(MUST BE FOR FULLWIDTH AND FULL HEIGHT)
TRENCH DETAILS
** DETECTABLE TAPE NOT REQUIRED FOR SEWER GRAVITY MAINS
300mm DEEP
MIN. 100ØGEOFABRIC
Min.75SAND
BEDDING
COLOUR CODEDDETECTABLE TAPE
PRESTENCILLED &
STONE PITCHING
TRENCH TYPE 3ACROSS WATERCOURSE
BACKFILL
150
MIN
.
SELECT
WRAPPED D.I.C.L.
500mmMIN. MIN.
500mm
CODED DETECTABLE TAPEPRESTENCILLED & COLOUR
COMPACTED NON-COHESIVEGRANULAR MATERIAL TO ROADSUBGRADE LEVEL TO 98% M.D.D.
MIN.300 300
MIN.
WRAPPED D.I.C.L. IN ROAD SHOULDERTRENCH TYPE 2a
Min
.75
SAND
BEDD
ING
ROAD
BASE
300
Nom
.M
in.
200
Var.
REPLACE BASE COURSE GRAVEL TO MATCH EXISTING DEPTH
** DETECTABLE TAPE NOT REQUIRED FOR SEWER GRAVITY MAINS ** DETECTABLE TAPE NOT REQUIRED FOR SEWER GRAVITY MAINS
NON-COHESIVE GRADEDGRANULAR MATERIAL**(MUST BE FOR FULLWIDTH AND FULL HEIGHT)
NON-COHESIVE GRADEDGRANULAR MATERIAL**(MUST BE FOR FULLWIDTH AND FULL HEIGHT)
75 MAX. STONE
NOTESUNDERGROUND ELECTRIC CABLES SHOULD CROSS WATER MAINSAND SERVICES AT AN ANGLE OF NOT LESS THAN 45°, HAVE A VERTICALSEPARATION OF MIN. 100mm AND BE SUITABLY MARKED WITH BRICKS OR WARNING TAPE WHICH ARE TO BE REPLACED IF DISTURBED.COUNTRY ENERGY REQUIRE A CERTIFIED OBSERVER ON SITE TOSUPERVISE ANY EXCAVATION NEAR EXISTING UNDERGROUND POWER.NOMINAL DEPTH OF COVER TO TOP OF CONDUIT OR CABLE FOR LOWVOLTAGE CABLES IS TO BE 600mm, FOR HIGH VOLTAGE CABLES TO22kV IS TO BE 750mm AND FOR HIGH VOLTAGE CABLES TO 33kV ANDABOVE IS TO BE 900mm.UNDERGROUND ELECTRICITY CABLES IN ROAD RESERVES ARE TO BESITUATED ON A FOOTPATH ALLOCATION OF BETWEEN 0.3m AND 0.9mFROM THE BOUNDARY.
uPVC PIPE UNDER GRAVEL/CONCRETE DRIVEWAYS
14:1 SAND/CEMENT MIX
200 THICK BASE FOR GRAVEL
TRENCH TYPE 4
150
MIN
.
NON-COHESIVE GRADEDGRANULAR MATERIAL**(MUST BE FOR FULLWIDTH AND FULL HEIGHT)
CODED DETECTABLE TAPEPRESTENCILLED & COLOUR
300
Nom
.
Min
.75
SAND
BEDD
ING
150 THICK 20mPA FOR CONCRETE
CHCC STANDARD DRAWING OVERRIDES - WSSA SEW-1202, SEW-1203, SEW-1204
** DETECTABLE TAPE NOT REQUIRED FOR SEWER GRAVITY MAINS
PLAN DATE: AUG. 2015
STANDARD EMBEDMENT
SHEET 3NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)FLEXIBLE & RIGID PIPE
SECTION
PROJECTPLANNING
AND DESIGN
WIDTH OF BAGS ACROSS FULL TRENCHWIDTH & BOTH SIDE WALLS & FILL
EXCAVATE RECESS 100mm DEEP TO SUIT
THE SPACE BETWEEN EXCAVATED RECESS& PIPE ENTIRELY
WITH SL62 MESH LAID CENTRALLY150mm THICK N20 CONCRETE
COMPRESSIBLE10mm THICK
MEMBRANE AROUND PIPE
SECTION
CONCRETE BULKHEAD DETAIL
TRENCH STOP DETAIL
A-
SECTION B-
F.S.L.
150Min.
F.S.L.
F.S.L.B-
A-
GRANULAR EMBEDMENTMATERIAL AS SPECIFIES
GRANULAR EMBEDMENTMATERIAL AS SPECIFIED
#
# #
100Ø PIPE DRAIN WITH FILTER MEMBRANE COVERING UPSTREAM OPENING
COMPRESSIBLE10mm THICK
MEMBRANE AROUND PIPE
EXCAVATE & COMPACT TRENCH FLOOR TOPROVIDE A FLAT FIRM BASE TO SUPPORT BEDDING MATERIAL & MINIMISE PIPELINESETTLEMENT.ENSURE BEDDING IS DEEP ENOUGH THATPIPE PROJECTIONS (SOCKETS & FLANGES)DO NOT TOUCH TRENCH FLOOR
NOTES
150 min.
100Ø PVC PIPE DRAIN WITHFILTER MEMBRANE COVERINGUPSTREAM OPENING & DIRECT TOEXISTING DRAINAGE SYSTEM ATLOW POINTS.NOTE: FOR TRENCHES 450 TO 600WIDE, USE SINGLE PIPE. FORTRENCHES > 600, USE 100Ø PIPESBOTH SIDES
SEALED WOVEN POLYETHYLENE BAGSMin. 0.25 THICK FILLED WITH CLAY OROTHER IMPERMEABLE MATERIALKEYED IN MIN. 150mm TO SIDE WALLSOF TRENCH
COMPRESSIBLEMEMBRANEAROUND PIPE
PACK BAGSTIGHTLYTOGETHER
100Ø PVC PIPE DRAIN WITHFILTER MEMBRANE COVERINGUPSTREAM OPENING & DIRECTTO EXISTING DRAINAGESYSTEM AT LOW POINTS.NOTE: FOR TRENCHES 450 TO600 WIDE, USE SINGLE PIPE.FOR TRENCHES > 600, USE100Ø PIPES BOTH SIDES
# KEY CONCRETE INTOTRENCH WALL ANDBASE. 75mm IN ROCK150mm IN O.T.R.
300
Nom
.
300
Nom
.
TRENCH STOP AND CONCRETE BULKHEAD NOTES:1. ALL DIMENSIONS ARE IN MILLIMETRES.2. CONSTRUCT CONCRETE BULKHEADS AND TRENCH STOPS AT LOCATIONS SPECIFIED IN DESIGN DRAWINGS.3. BULKHEAD AT A RETAINING WALL TO BE UNDER THE WALL.4. KEY CONCRETE BULKHEADS INTO SIDES AND BOTTOM OF TRENCH AGAINST A BEARING SURFACE OF UNDISTURBED SOIL.5. CONCRETE TO BE CLASS N20.6. DO NOT DEFORM PIPES DURING PLACEMENT OF CONCRETE.7. SEAL BAGS TO PREVENT LEAKAGE OF CONTAINED MATERIAL.8. PROVIDE CONTINUOUS DRAINAGE PATH - THROUGH BULKHEADS AND TRENCH STOPS - AROUND VALVE CHAMBERS - IN TRENCH EXCAVATIONS ACROSS ROADS9. COMPRESSIBLE MEMBRANE AROUND PIPE TO BE 10 THICK POLYSTYRENE FOR BULKHEADS ADJACENT TO KERBS AND 3 THICK RUBBER FOR BULKHEADS AND TRENCH STOPS ON SLOPES.10. FOR SLOPES >30% CONTINUOUSLY ENCASE THE PIPE TO PREVENT MOVEMENT AND
TRANSFERS OF GROUND WATER. WRAP JOINTS TO PREVENT DAMAGE RO RRJ.
NOTE:1. TRENCH STOPS ARE TO BE PLACED ON GRADES 5% TO 14% AND TO BE INCORPORATED WITH CONCRETE BULKHEADS ON GRADES 15% TO 29%2. THE DISTANCE BETWEEN TRENCH STOPS SHOWN ON THE DESIGNS ARE MINIMUM DISTANCES. WHERE THE DISTANCE STATED IS GREATER THAN THE DISTANCE BETWEEN PITS/BENDS/VALVES, A TRENCH STOP IS STILL TO BE PLACED ON THAT LINE.
SELECT BACKFILL75 MAX. STONE
TRENCH TYPE
300
Nom
.
TRENCH FILL INORGNIC MATERIALWITH 75 MAXIMUM STONE SIZE
150 - 300 AS PER
REQUIREMENTS
PLAN DATE: AUG. 2015
TRENCH DRAINAGE
SHEET 4NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
BULKHEADS & TRENCHSTOPSECTION
PROJECTPLANNING
AND DESIGN
CONCRETE BASE
SEWER PIPE
SEWER PIPE
BASE WITH RRJ SOCKET FACING OUTSANDED SPIGOTS CAST INTO CONCRETE
SULPHIDE RESISTANT
FALL 30 min.
FLOW
USE SQUAT CONE FOR M.H. < 1.2m DEEP
600
ROCKER PIPESP - SO
ROCKER PIPESP - SP
SEE NOTE 5DETAIL `A'
CAST IRON MANHOLE COVER ANDFRAME IN CONCRETE SURROUND(HAVESTOCK TYPE OR EQUIV.)NOTE: BOLT DOWN LIDS IN AREASAFFECTED BY 1 IN 100 FLOOD ZONES
TOP OF MANHOLE TO BE :* NATURAL SURFACE LEVEL INROAD RESERVE.* 25mm HIGH IN GRASS VERGE* 75mm HIGH IN NEW SUBDIVISION* 100mm HIGH IN OPEN PADDOCK
TYPICAL MANHOLE TYPE 1
NOTE: FOR PRECAST PITSWITH FLEXIBLE SEAL JOINT,SANDED SO - SP PIPESPOOL IS NOT REQUIRED
NOTE: MANHOLE BASE TO BEBEDDED ON COMPACTEDSUB-BASE WITH Min. 100mm TH.7mm TO 10mm AGGREGATE
SEE NOTE 2
SEE NOTE 2
TYPICAL MANHOLE TYPE 2
CONCRETE BASE
SEWER PIPE
SEWER PIPE
BASE WITH RRJ SOCKET FACING OUTSANDED SPIGOTS CAST INTO CONCRETE
SULPHIDE RESISTANT
FALL 30 min.
FLOW
STRAIGHT BACK TAPER FOR M.H. > 1.2m DEEP
STEP IRONS TO M.H. > 0.9m DEEP
600
ROCKER PIPESP - SO
ROCKER PIPESP - SP
SEE NOTE 5
TO A.S. 1657-1992
DETAIL `A'
CAST IRON MANHOLE COVER ANDFRAME IN CONCRETE SURROUND(HAVESTOCK TYPE OR EQUIV.)NOTE: BOLT DOWN LIDS IN AREASAFFECTED BY 1 IN 100 FLOOD ZONES
TOP OF MANHOLE TO BE :* NATURAL SURFACE LEVEL INROAD RESERVE.* 25mm HIGH IN GRASS VERGE* 75mm HIGH IN NEW SUBDIVISION* 100mm HIGH IN OPEN PADDOCK
NOTE: FOR PRECAST PITSWITH FLEXIBLE SEAL JOINT,SANDED SO - SP PIPESPOOL IS NOT REQUIRED
NOTE: MANHOLE BASE TO BEBEDDED ON COMPACTEDSUB-BASE WITH Min. 100mm TH.7mm TO 10mm AGGREGATE
SEE NOTE 2
SEE NOTE 2
NOT TO SCALE
90° BEND
TO SUITCUT PIPE
DROP JUNCTION
STRAIGHT BACK TAPER
TYPICAL MANHOLE TYPE 3WITH EXTERNAL DROP
CONCRETE BASESULPHIDE RESISTANT
ROCKER PIPESP-SOC
BASE WITH RRJ SOCKET FACING OUTSANDED SO - SP CAST INTO CONCRETE
FALL 30 min.
FLOW
600
ROCKER PIPESP - SPSEWER PIPE
600
MIN
.460
- M
AX.6
000
SEWER PIPE
DETAIL `A'
NOTE: FOR PRECAST PITSWITH FLEXIBLE SEAL JOINT,SANDED SO - SP PIPE SPOOLIS NOT REQUIRED
CAST IRON MANHOLE COVER ANDFRAME IN CONCRETE SURROUND(HAVESTOCK TYPE OR EQUIV.)NOTE: BOLT DOWN LIDS IN AREASAFFECTED BY 1 IN 100 FLOOD ZONES
CRUSHER DUST (Min.300mm ALL ROUND)
100mm OR 150mm MAKE-UP RINGS ASREQUIRED FOR ADJUSTMENT
TOP OF MANHOLE TO BE :* NATURAL SURFACE LEVEL IN ROADRESERVE.* 25mm HIGH IN GRASS VERGE* 75mm HIGH IN NEW SUBDIVISION* 100mm HIGH IN OPEN PADDOCK
CORE DRILL MANHOLE CHAMBER SECTION TOSUIT INSPECTION PIPE. INSTALL HUMESEAL OREQUIV. MECHANICAL COUPLING. FORHUMESEAL CORE SPACING AND INSTALLATIONDETAIL, REFER SHEET 12
BENCH TO FORM CHANNELMATCHING INLET & OUTLETINVERTS & FLOW DIRECTION
NOTE: RECEIVING SEWER MANHOLES TOPUMP STATIONS AND OTHER AREASWHERE H2S IS LIKELY TO BEENCOUNTERED ARE TO HAVE THEINTERNAL WALLS LINED WITH ANAPPROVED EPOXY COATING
FLEXIBLE JOINT
IF EXISTING MANHOLE, CORE DRILLMANHOLE BASE AT ANGLE AND LEVELREQUIRED. INSTALL HUMESEAL OREQUIV. MECHANICAL COUPLING
CONCRETE
NOTE: MANHOLE BASE TO BEBEDDED ON COMPACTEDSUB-BASE WITH Min. 100mm TH.7mm TO 10mm AGGREGATE
SEE NOTE 2
SEE NOTE 2
SEE NOTE 2
SEE NOTE 2 CONCRETE COVER
CONCRETE FRAME
SLAB TAPER
DI FRAME
MAKE-UP RING
SQUAT CONE
SHAFT SECTION
DI COVER
STRAIGHT BACK CONVERTER
NOTES:
1. ALL DIMENSIONS IN MILLlMETRES.
2. PROVIDE ROUNDED NOSING ON INLET AND OUTLET
PIPE TO PREVENT DAMAGE TO JETTING EQUIPMENT
AND CCTV GUIDES AND CABLES.
3. CONSTRUCTION MAY BE A COMBINATION OF
PRECAST AND IN-SITU TO SUIT APPLICATION
(WATER AGENCY AUTHORISA TION REQUIRED).
4. LOCATION OF FIRST SHAFT SECTION:
a) FIRST SHAFT SECTION TO BE BETWEEN
300-600 LONG TO ALLOW FORMING
OF CHANNEL AND BENCH.
b) WHERE STEP IRONS ARE USED, CORRECTLY
ORIENTATE BOTTOM STEP.
c) PRIME COMPONENT 200 FROM BOTTOM WITH
CEMENT SLURRY.
EMBED SHAFT SECTION 50 INTO WET CONCRETE
BUILD UP OUTSIDE FILLET TO 150.
5. MAKE -UP RINGS:
a) USE MINIMUM OF ONE MAKE-UP RING
(PREFERABLY 100 OR 150) PER MH DURING
CONSTRUCTION TO ALLOW FOR FU1lJRE SURFACE
ADJUSTMENT WITHOUT AFFECTING
THE SHAFT SECTIONS.
b) SEE SEW-130B FOR TAPERED MAKE UP RING
ON SLOPING GROUND.
6. BACKFILL AROUND MH.
a) THE ME1lHOD OF BACKFILL AND COMPACTION
AROUND MH TO BE GENERALLY AS FOR
PIPE EMBEDMENT.
b) TAKE CARE TO RAISE SELECT FILL EQUALLY
ALL AROUND 1lHE MH TO AVOID UNBALANCED
LATERAL LOADING.
7. FOR MH TYPE P2 INSTALL STEP IRONS OR LADDERS
IN ACCORDANCE WITH WATER AGENCY.
REQUIREMENTS. SEE SEW-1307
8. CONCRETE BASE TO BE SPECIAL CLASS.
9. IN WATER CHARGED GROUND OR WHERE THERE
IS SIGNIFICANT RISK OF SURCHARGE USE ONLY
CAST IN-SITU MH.
10. FOR PIPE CONNECTIONS TO MH SEE SEW-1302.
11. WHERE THERE IS SIGNIFICANT RISK OF INFILTRATION
OR TREE ROOT INTRUSION APPLY AN EXTERNAL
BITUMASTIC SEAL TAPE 150 WIDE OVER A COAT OF
MANUFACTURERS RECOMMENDED PRIME SEAL
TO ALL JOINTS.
12. FOR MH COVER CLASS SELECTION AND FINISHED LEVELS
SEE SEW-130B.
INFILL TYPE ROUND COVER & FRAME
DETAIL `A'
RUBBER RINGMASTIC OR
GATOR TAPEOR EQUIV.SEAL (150mmWIDE) PRECAST
COMPONENT
PRECASTCOMPONENT
DETAIL `A'
RUBBER RINGMASTIC OR
GATOR TAPEOR EQUIV.SEAL (150mmWIDE) PRECAST
COMPONENT
PRECASTCOMPONENT
DETAIL `A'SMH JOINTS
PLAN DATE: AUG. 2015 SHEET 5NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
MAINTENANCE HOLESSEWERS <=DN 300
PRECAST TYPES P1 & P2SECTION
PROJECTPLANNING
AND DESIGN
FLOW
COVER FRAME FIXED TO MH TOP FACERISER RING
PROVIDE ROUNDED NOSINGAT INLET AND OUTLET PIPE(SEE NOTE 6)
DN 1050 OR DN 1200
OR AS SPECIFIED
ø600 MIN.
MAINTENANCE HOLE TYPE C1
150 MIN.(SEE NOTE 3) 30
0 MIN
1000
MAX
125 MIN.
FOR MH=< 1200 DEEP
RISER RING
COVER FRAME FIXED TO MH TOP FACE
100 NOMCAN BE RAISED TO350 MAX
300 M
IN10
00 M
AX
ø600 MIN.
STRAIGHT BACK TAPER DETAIL
ø600 MIN.
FLOW
DN 1050 OR DN 1200
OR AS SPECIFIED
MAINTENANCE HOLE TYPE C2FOR MH > 1200 DEEP TO =<6000 DEPTH
(TOP SECTION MAY BE AS SHOWN OR STRAIGHT BACK TAPER)
CJ CJ
PERMISSIBLE CONSTRUCTION JOINTSSCABBLE AND CLEAN THEN PRIMEWITH CEMENT SLURRYBEFORE PLACING CONCRETE
FOR SEWERS =< DN 300 FOR SEWERS > DN 300
PREFERRED LADDER OR STEP IRON LOCATION
THIS POSITION ALLOWS LADDER / STEP IRONSTO BE UTILISED MORE EASILY FOR
MAINTENANCE PURPOSES.(E.G TIE OFF & FLOW CONTROLS)
PREFERRED LOCATIONFOR LADDER OR STEP IRONS
FLOW FLOW
PREFERRED LOCATIONFOR LADDER OR STEP IRONS
PAIRS OF 4-N12 BARS EQUALLY SPACEDON CENTRE LINE OF CONCRETE RING
WITH 65 COVER TO TOP OF HOOK(TOP OF BAR TO BE HOOKED AROUND
4D PIN BY APPROVED METHOD
RECESS FILLED WITHMASTIC 2-R10 HOOP BARS CENTRALLY
PLACED WITH 65 MIN COVERAND 500 MIN LAP
4 x MASONRYANCHOR OR ANGLE BRACKETSEQUALLY SPACE
SEE BOLTED RISER DETAILS
-
A
SECTION A-A
TOP VIEW
GATIC LID AND FRAME
BOLTED RISER DETAIL
CONCRETE
MASTIC JOINTING
150 MIN
DOWEL PINS
CONVERSION SLAB
(SEE NOTE 3)
(WHERE SPECIFIED)
RISR BOLTED ORFIXED TO FLAT TOPSECTION.
LENG
HT T
O SU
IT
PROVIDE ROUNDED NOSINGAT INLET AND OUTLET PIPE.(SEE NOTE 6)
CLASS 2 FINISH
CLASS 3 FINISH
CJ CJ
COVER FRAMEFIXED TO MH TOP FACE(SEE SEW - 1308)
100 NOM CAN BERAISED TO 350 MAX
GATIC LID AND SURROUND
GATOR TAPE OR EQUIV.EXTERNAL SEAL (150mm WIDE) PRECAST
COMPONENTPLAN DATE: Aug. 2015
MAINTENANCE HOLES
Sheet 6NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
SEWER=< DN300CAST IN-SITU TYPES C1 &C2
SECTION
PROJECTPLANNING
AND DESIGN
'H'COVER AND SURROUND
(SEE NOTE 6) FILL GRADE TO FSL(1:4 MAX
MAKE-UP RING(S)AS REQUIRED
SQUAT CONE ORSTRAIGHT BACK
TAPER
FSL
PRE-CAST MAINTENANCE HOLES
COVER AND FRAME
'H'COVER AND SURROUND
(SEE NOTE 6) FILL GRADE TO FSL(1:4 MAX
PROVIDE DOWEL PIN OR KEYTO PREVENT MOVEMENT
FSL
(SEE NOTE 2)
COVER AND FRAME
ROAD SURFACE LAYER & BASEAS SPECIFIED BY ROAD AGENCY
FSL
CAST IN-SITU MAINTENANCE HOLES
COVER AND FRAME
(SEE NOTE 2)
PRECASTSPACER RINGS
SLOPING GROUND
'H' COVER AND SURROUND(SEE NOTE 6)
FILL GRADE TO FSL(1:4 MAX
FSL
TAPERED PRECASTCONCRETE MAKE-UP
RING
NON TRAFFICABLE COVER TRAFFICABLE COVER
NOTES:
1. ALL DIMENSIONS IN MILLlMETRES.
2. SEALING METHODS
(a) MAKE JOINTS BETWEEN SHAFT TOP/MAKE-UP RING AND
COVER SUPPORT RING USING
. BUTYL-MASTIC, OR
. MORTAR MADE FROM 3 PARTS SAND TO 1 PART CEMENT.
(b) APPLY BUTYL-MASTIC IN ACCORDANCE WITH
MANUFACTURERS SPECIFICATION.
(e) THICKNESS OF CEMENT MORTAR AT ANY JOINT
TO BE NO GREATER THAN 50.
(d) SCABBLE AND CLEAN JOINT SURFACES SO THAT ALL
LOOSE OR SOFT MATERIAL IS REMOVED.
(e) JOINT SURFACES TO BE BRUSHED CLEAN, SPONGED WET AND
PRIMED WITH A CEMENT/WATER SLURRY PRIOR TO PLACING THE
CEMENT MORTAR.
3. IN AREAS SUBJECT TO SURCHARGE, USE CAST IN-SITU MH
DOWEL OR BOLT COVER SLABS, 01 COVER AND FRAME
TO THE SHAFT SECTION IN SUCH A MANNER THAT SEPARATION
DURING SURCHARGE IS PREVENTED. SEE SEW-1301.
4. WHERE SPECIFIED JOIN METAL FRAME TO CAST IN-SITU MH
RISER AS FOLLOWS:
(a) MAKE JOINTS BETWEEN SHAFT TOP AND METAL FRAME
USING BUTYL -MASTIC AND LOCKING DOWN BOLTS, EQUALLY PLACED
AROUND THE CIRCUMFERENCE.
(b) USE 12 DIAMETER GALVANISED OR STAINLESS STEEL BOLTS
EXTENDING 75 MIN INTO CONCRETE.
(e) FOR NON-TRAFFICABLE LOCATIONS USE A MINIMUM OF TWO BOLTS.
(d) FOR TRAFFICABLE LOCATIONS USE A MINIMUM OF FOUR BOLTS.
5. MAXIMUM PERMISSIBLE SLOPE OF COVERS:
CLASS "B" 1 IN 4
CLASS "0" 1 IN 1 0
6. COVERS AS AUTHORISED BY WATER AGENCY.
7. WHERE SPECIFIED USE GAS TIGHT COVERS.
SELECTION OF MH COVERS
ALL COVERS TO BE WATER TIGHT (SEE NOTE 7)
LOCATION CLASS
RESERVES B - NON-TRAFFICABLE
ROADWAYS D - TRAFFICABLE
D - TRAFFICABLE
LOCATIONS SUBJECT WITH BOLT-DOWN
TO FLOODING etc. (SEE NOTE 3)
FINISHED LEVELS OF MH COVERS
LOCATION H
UNDEVELOPED AREAS 100
NEW SUBDIVISIONS 75
ROADS, LANE WAYS, FOOTWAYS & DRIVEWAYS FLUSH
EXISTING BUILT UP AREAS 25
OTHER AS SPECIFIED (EG ABOVE FLOOD LEVEL)
PLAN DATE: Aug. 2015
MAINTENANCE HOLES
Sheet 7NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
TYPICAL MH COVER ARRANGEMENTS
SECTION
PROJECTPLANNING
AND DESIGN
SECTIONAL PLAN
THROUGH MANHOLESTYPICAL LAYOUT OF CHANNELS
225mm
225mm
Fall
Fall
1in8
1in8 Fall 1 in 8
Fall 1 in 8
FALLS THROUGH MANHOLE FORDEFLECTION ANGLES:
0° - 10° = 30mm FALL10° - 60° = 50mm FALL60° - 90° = 80mm FALL
NO DEFLECTION > 90°
NOTES:
1. CONSTRUCTION TO BE IN ACCORDANCE WITH AUSSPEC AND THE WSA 02 - 2002 SEWERAGE CODE OFAUSTRALIA.
2. APPLY AN EXTERNAL BITUMASTIC SEAL TAPE (BITUTHENE OR EQUIV.) 150mm WIDE OVER A COAT OFMANUFACTURERS RECOMMENDED PRIME SEAL TO ALL JOINTS.
3. FORM ROUNDED NOSING ON INLET & OUTLET PIPES TO PREVENT DAMAGE TO JETTING EQUIPMENT, CCTVGUIDES & CABLES.
4. THE MAXIMUM SPACING BETWEEN MANHOLES IS 70m (AUSSPEC). UPSTREAM ENDS OF MAINS TO TERMINATEIN A MAINTENANCE HOLE IF DISTANCE FROM DOWNSTREAM MANHOLE IS GREATER THAN 30m.
5. MAKE-UP RINGS - USE Min. OF 1 MAKE-UP RING PREFERABLY 100mm TO 150mm (TO Max. 350mm) PER SMHDURING CONSTRUCTION TO ALLOW FOR FUTURE SURFACE ADJUSTMENT WITHOUT AFFECTING THE SHAFTSECTIONS. FOR TAPERED MAKE-UP RING ON SLOPING GROUND SEE WSA DWG SEW-1308
150Ø 300mm - 460mm225Ø 300mm - 540mm300Ø 300mm - 620mm375Ø 400mm - 760mm450Ø 400mm - 810mm525Ø 400mm - 920mm600Ø 400mm - 1000mm
MANHOLES CANNOT BE CONSTRUCTEDIN THESE DROP RANGES
Fall1 in 8Fall 1 in 8
Fall 1 in 8
CASTE IN-SITU PRE CAST
Fall
1 in 8
I.D. +
75mm
81
I.D.25mm RAD.
CHANNEL SECTION
NOM.
40mm FOR DN 15030mm FOR > DN 150
PUDDLE FLANGE CREATED BYHDPE STUB FLANGES BUTTWELDED BACK TO BACK
HDPE PIPE
ELECTROFUSIONCOUPLING
CONCRETE ENCASEMENTMANHOLE
PRECAST COMPONENT
MANHOLE BASECAST IN-SITU
TYPICAL MANHOLE CONNECTION HDPE - HDPEOVER 180Ø AND IN-SITU MANHOLE CONSTRUCTION
HDPE PIPE
TYPICAL MANHOLE CONNECTION 180Ø HDPE - HDPE
PRECAST MANHOLE
CONCRETE THRUST 450mm LONGKEYED IN 150mm Min. ALL ROUND 600 Min.
1000mm Max.HDPE PIPE
MANHOLE
MODIFIED 'HUMESEAL' . RETAINCORE AND REPLACE OUTERRINGS WITH NEW RINGS TO SUITDIAMETER OF HDPE PIPE
PRECAST COMPONENT
DETAIL `A'
RUBBER RING
PRECAST COMPONENT
MASTIC OR
GATOR TAPE OREQUIV. SEAL(150mm WIDE)
HYDROTITE SEAL
MPVC PIPE
CONCRETE ENCASEMENT
BENCH
PRECAST COMPONENT
MANHOLE BASE
2 x RUBBER RING SPACERCORE
4 x N12 STARTER BARS
4 x N12 TRIMMER BARS
TYPICAL MANHOLE CONNECTION - DI / MPVC
CORE WITH BULKHEAD
SIKASWELL- PROFILE AFFIXED WITHSIKAFLEX ADHESIVEOR SIKASWELL S-2(SIKASWELL S-2 APPLICATION CAN ONLYBE USED WHEN APPLIED WITHIN 2HOURS OF CONCRETE POUR.)
SIKASWELL- PROFILE AFFIXED WITHSIKAFLEX ADHESIVEOR SIKASWELL S-2(SIKASWELL S-2 APPLICATION CAN ONLYBE USED WHEN APPLIED WITHIN 2HOURS OF CONCRETE POUR.)
SIKAFLEX PROFILE
SIKAFLEX ADHESIVE
SIKASWELL S-2
TO BE USED INSIDE FORMWORKWHERE SETUP TIME IS GREATER
THAN 2 HOURS
ONLY USE INSIDE FORMWORKWHERE SETUP TIME IS LESS
THAN 2 HOURS
SIKSFLEXADHESIVE
PIPE
SIKSFLEXPROFILE
PIPE
SIKASWELL S-2
DICL PIPE
CONCRETE BULKHEADPRECAST COMPONENT
CORE
4 x N12 STARTER BARSCHEMSET INTO CONCRETE
4 x N12 TRIMMER BARS
SIKASWELL- PROFILE AFFIXED WITHSIKAFLEX ADHESIVEOR SIKASWELL S-2(SIKASWELL S-2 APPLICATION CANONLY BE USED WHEN APPLIEDWITHIN 2 HOURS OF CONCRETEPOUR.)
CONCRETE BULKHEAD DETAILS
PUDDLE FLANGE
THRUST CONNECTOR
THRUST CONNECTOR
AQUADUC PUDDLECLAMPED TESTRAINING FLANGE DN 180
PLAN DATE: AUG. 2015 SHEET 8NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
MAINTENANCE HOLESCONNECTION DETAIL NON STANDARD
CHANNEL / BENCH DETAILSECTION
PROJECTPLANNING
AND DESIGN
FINISHED SURFACE
R10 TIES-200
4Y12 - ONEIN EACH CNR.
5Y12-EW T. & B.
150Øx90° FCP D.I. BEND
MAGNA CARBON FILTER
Min. 25MPa CONCRETE
150Ø TYTONXTREME (FL/SOC)D.I. VENT PIPE (6m LONG)PAINTED ENVIRONMENTALGREEN
150Ø TYTONXTREME D.I. VENTPIPE (LENGTH TO SUIT).
SCOUR VENT DETAILN.T.S.
300
75
1100 SQUARE
1000
600
60
500SQ.
150Ø TYTONXTREME (FL/SP)D.I. PIPE (LENGHT TO DESIGN)
60
300mm 450mm
150ø
1245
ELECTROFUSION COUPLING180Ø PN16 HDPE to 150Ø SN8 PVC
SEWER ADAPTOR
HDPE PN16 PIPE
HDPE ELECTROFUSION COUPLING
PVC SN8 PIPEHDPE TO PVC ADAPTOR
SEWER CONNECTION DETAILS FOR PIPES UNDER STRUCTURES & DEADEND LINES
180Ø PN16 HDPE TO 150Ø SN8 PVC ADAPTORNON STANDARD
COUNCIL APPROVED REQUIRED
PLAN DATE:AugL. 2015 SHEET 9NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
VENTILATION SYSTEMSINDUCT VENT
SECTION
PROJECTPLANNING
AND DESIGN
180 HDPE TO 150 SN8 PVC ADAPTOR
SEWER RISING MAIN (SRM) CONCRETE BASESEWER PIPESULPHIDE RESISTANT
FALL 30 min.
FLOW
NOTE: FOR PRECAST PITS WITHFLEXIBLE JOINT, SANDED SO - SPNOT REQUIRED
NOTE: INTERNAL WALL OF SEWERMANHOLE TO BE LINED WITHAPPROVED EPOXY COATING
CAST IRON MANHOLE COVER ANDFRAME IN CONCRETE SURROUND(HAVESTOCK TYPE OR EQUIV.)NOTE: BOLT DOWN LIDS IN AREASAFFECTED BY 1 IN 100 FLOOD ZONES
TOP OF MANHOLE TO BE :* NATURAL SURFACE LEVEL INROAD RESERVE.* 25mm HIGH IN GRASS VERGE* 75mm HIGH IN NEW SUBDIVISION* 100mm HIGH IN OPEN PADDOCK
INVERT OF SRM APPROACHING MANHOLEIS TO BE BELOW THE INLET INVERT TOMANHOLE BY A MIN. HEIGHT EQUIVALENTTO THE SRM PIPE DIA. TO MINIMISETURBULENCE & REDUCE ODOURS
TYPICAL PRESSURE MAIN DISCHARGE TO MANHOLE
VENT STACK REQUIRED TOEXHAUST ABOVE. SIZE TO BE ØOF SEWER MAIN UP TO DN300.
NOTE: MANHOLE BASE TO BEBEDDED ON COMPACTEDSUB-BASE WITH Min. 100mm TH.7mm TO 10mm AGGREGATE
( NOT REQUIRED WHEN INCOMING SEWER RISING MAIN IS ON FALLING GRADE)
GRADE > 0%
SEE NOTE 2
SEE NOTE 2
CONCRETE BASE & RENDERSULPHIDE RESISTANT
4 x 50Ø 45° PRESSURE BENDS
100Ø ACCESS CAP (PRESSURE)
100Ø x 50Ø 90° JUNCTION (PRESSURE)
150Ø x 100Ø REDUCER PRESSURE
CONCRETE
100ø PRESSURE PIPE
PRIVATE PUMP STATION SRM (PRESSURE PIPE)SIZED TO MANUFACTURERS SPECIFICATIONS
MIN
600
CO
VER
HUMES SEAL OR EQUIVILANT
CONCRETE BASESULPHIDE RESISTANT
4 x 50ø 45° Bends
100ø 90° Junction
100ø 90° Bends
STAINLESS STEEL SADDLES
100ø x 50ø LIT
Private Pump Station SRMSized to Manufacturers Specifications
INTERNAL DROP CONNECTION TO SMH PRIVATE PUMP STATION
300 NOM
HUMES SEAL OR EQUIVILANT
CONCRETE BULKHEAD
N12 STARTER BARS
N12 TRIMMER BARS
SIKASWELL - S2 OR EQUIVALENTHYDRATIRTE TO BE USED WITH SIKAFLEX S2 ADHESIVE
100ø SN4 PVC
REQUIRED APPROVAL BY WATER AUTHORITY
MIN
100
PIPE
DIA
+ 5
0M
IN 6
00 C
OVE
R
CORE HOLEGROUT FILL
300 NOM
MIN
100
PIPE
DIA
+ 5
0
OR AS SPECIFIED
NOM. 300 COVER
100Ø 90° PRESSURE BEND
SRM INLET 180° TO OUTLET
NOTE: INTERNAL WALL OF SEWERMANHOLE TO BE LINED WITHAPPROVED EPOXY COATING
NOTE: INTERNAL WALL OF SEWERMANHOLE TO BE LINED WITHAPPROVED EPOXY COATING
CONCRETE BASE & RENDERSULPHIDE RESISTANT
4 x 50Ø 45° PRESSURE BENDS
150Ø x 100Ø 90° PVC JUNCTION
CONCRETE
150ø SN8 Sewer Pipe
PRIVATE PUMP STATION SRM (PRESSURE PIPE)SIZED TO MANUFACTURERS SPECIFICATIONS
MIN
600
CO
VER
HUMES SEAL OR EQUIVILANT
300 NOM
MIN
100
PIPE
DIA
+ 5
0
OR AS SPECIFIED
PROPERTY BOUNDARY RISER
150Ø PVC 90° BEND
NOTE: INTERNAL WALL OF SEWERMANHOLE TO BE LINED WITHAPPROVED EPOXY COATING
100Ø x 50Ø LEVEL INVERT TAPER
PRIVATE PUMP STATION CONNECTIONTO SMH WITHIN PRIVATE PROPERTY
PRIVATE PUMP STATION CONNECTIONTO SMH IN PUBLIC RESERVE
PLAN DATE: AUG. 2015 SHEET 10NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
MAINTENANCE HOLESPRIVATE PUMP STATION DETAIL
TO SMH & BOUNDARY SHAFTSECTION
PROJECTPLANNING
AND DESIGN
FALL 1%
REFER TO EXTENSION SPINDLE DETAIL
CONCRETE MANHOLE BASEDE
SIRA
BLE
DEPT
H 1.
0m
CONCRETE LEVELTO BE LAID LOWER THAN EXTERNAL FINISH
CHAMBER OR PROVIDE SHEAR KEY, APPLYSCABBLE INTERNAL SURFACE OF MANHOLE
WITH INTERNAL FLOOR MIN. 130mm THICKBONDING AGENT & POUR CONCRETE BASE
TYPICAL SCOUR VALVE & PUMPOUT PIT DETAILS
FL-SP PIPE GIBAULTSCOUR TEECUT TO SUIT
FOR MAINS > 100 DIA.-
VALVE
EXTENSION SPINDLE
C.I.SURFACE BOX
THRUST BLOCK
SP-SPPIPE
NATURAL SURFACE LEVELMAX. 50mm ABOVE EXISTING TOP OF MANHOLE TO FINISH
(HAVESTOCK TYPE OR EQUIV.)FRAME IN CONCRETE SURROUNDCAST IRON MANHOLE COVER &
TAPERSTRAIGHT BACK
AND SURROUNDSTOP VALVE COVER
PLAN
STANDARD 1200Ø PUMPOUTMANHOLE. I.L. TO BE
MIN. 1000mmBELOW INVERT OF RISING
MAIN
90Ø HDPE
SCOUR VALVE DETAIL
90Ø
HDP
E PI
PE
FOR MAINS < 90 DIA.-
90mm x 90mm TEEELECTROFUSION BONDED
90Ø COUPLINGSELECTROFUSION BONDED
90Ø STUB FLANGE& BACKING PLATES
80Ø FL. SV
THRUST BLOCK
SECTION
MIN. 225Ø PVC OR EQUIV.MOUNTED ON BRICKSBEDDED IN CRUSHER DUST
GALV. M/S STRAP FORSPINDLES > 1.5m DEEP
CAP & STD. C.I. KEYMAX. 150mm BELOWCOVER
EXTENSION SPINDLE SHALL BE USED WHERE DEPTH FROMSURFACE LEVEL TO TOP OF VALVE EXCEEDS 380mm
20mmØ SOLID M/S SPINDLESHAFT WITH STD. C.I. KEY
GRUB SCREW ORBAYONET JOINT
Min
. DEP
TH 3
00m
m
M/S BASE PLATE OR C.I.SHROUD CENTRE DISK FORSPINDLES > 1.5m DEEP
MARKING POST & PLATE DETAILS
ELEVATION
S
E
W
E
R
R
I
S
I
N
G
M
A
I
N
1350
350
OR DURA-POST OR EQUIVALENT
ATTACH ENGRAVED ALUMINIUMPLATE SHOWING MAIN SIZE, DEPTHAND REQUIRED INFORMATION TOFRONT OR REAR OF DURA-POST
POWDERCOATED DURA-POSTDRIVEN INTO FIRM GROUND. USEMASS CONCRETE BASE IF REQUIRED
FOR SEWER RISING MAINSUSE GREEN POWDERCOATEDDURA-POST WITH WHITE VINYLLETTERS Min. 24mm HIGH.
NOTE: ALTERNATIVELY, A 50mm HIGH PATCH WITHMin. 24mm LETTERS CAN BE ATTACHED TO FACE OFMARKER POST INSTEAD OF VINYL LETTERS.ALL COLOURS USED TO CONFORM TO AS 1345
FOR RECLAIMED WATER MAINSUSE LILAC POWDERCOATEDDURA-POST WITH WHITE VINYLLETTERS Min. 24mm HIGH.
R
E
C
L
A
I
M
E
D
W
A
T
E
R
M
A
I
N
CLOCKWISE CLOSINGFLANGED STOP VALVETO BE ANCHOREDAS SHOWN IN DETAIL
CORE DRILL MANHOLE CHAMBER SECTION TOSUIT SCOUR PIPE. INSTALL CONCRETEBULKHEAD (SEE DETAIL)
MPVC SPIGOTWITH RRJ SOCKETFACING OUT
**NOTE: ALL PIPE AND FITTINGSINCLUDING FCP STOP VALVES TOBE COMPLETELY WRAPPED WITHLILAC OR CREAM LPS (LOOSEPOLYETHYLENE SLEEVING)
**NOTE: ALL PIPE AND FITTINGSINCLUDING FCP STOP VALVES TOBE COMPLETELY WRAPPED WITHLILAC OR CREAM LPS (LOOSEPOLYETHYLENE SLEEVING)
MPVC PIPE
CONCRETE BULKHEADPRECAST COMPONENT
CORE
4 x N12 STARTER BARSCHEMSET INTO CONCRETE
4 x N12 TRIMMER BARS
SIKASWELL- PROFILE AFFIXED WITHSIKAFLEX ADHESIVEOR SIKASWELL S-2(SIKASWELL S-2 APPLICATION CANONLY BE USED WHEN APPLIEDWITHIN 2 HOURS OF CONCRETEPOUR.)
CONCRETE BULKHEAD DETAILS
SIKAFLEX PROFILE
SIKAFLEX ADHESIVE
SIKASWELL S-2
TO BE USED INSIDE FORMWORKWHERE SETUP TIME IS GREATER
THAN 2 HOURS
ONLY USE INSIDE FORMWORKWHERE SETUP TIME IS LESS
THAN 2 HOURS
SIKSFLEXADHESIVE
PIPE
SIKSFLEXPROFILE
PIPE
SIKASWELL S-2
PLAN DATE: AUG. 2013 SHEET 11NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
SCOUR VALVES & PIPEWORKEXT. SPINDLE, MARKER POST
SECTION
PROJECTPLANNING
AND DESIGN
650H BASE
1400H CHAMBER
600H TAPER
250Ø
S.R.
M. 500Ø
REUS
E
300Ø
WAT
ER
650H BASE
1400H CHAMBER
700H CHAMBER
600H TAPER
250Ø
S.R.
M. 500Ø
REUS
E
300Ø
WAT
ER
375Ø
WAT
ER
375Ø
WAT
ER
375Ø
WAT
ER
650H BASE
1400H CHAMBER
600H TAPER
500Ø
REUS
E
250Ø
S.R.
M. 300Ø
WAT
ER
650H BASE
375Ø
WAT
ER
700H CHAMBER
1400H CHAMBER
600H TAPER
500Ø
REUS
E
250Ø
S.R.
M. 300Ø
WAT
ER
650H BASE
1400H CHAMBER
600H TAPER
500Ø
REUS
E
250Ø
S.R.
M. 300Ø
WAT
ER
375Ø
WAT
ER
650H BASE
700H CHAMBER
1400H CHAMBER
600H TAPER
250Ø
S.R.
M. 500Ø
REUS
E
300Ø
WAT
ER
375Ø
WAT
ER
PLAN
WATER MAIN COMPOSITE CONNECTION300Ø WATER MAIN CONNECTION
375Ø WATER MAIN CONNECTION
SEWER/REUSE COMPOSITE CONNECTION SEWER RISING MAIN CONNECTION REUSE MAIN CONNECTION
SEW
ERW
ATER
FL.45
° BEN
D
FL.FL
CON
NECT
OR
FL.R
.S. ST
OP VA
LVE
FL.45
° BEN
D
SCR
ROTA
TED.
45°
FL - S
P PIPE
SP PI
PE
FL.FL
CON
NECT
OR
FL.R
.S. ST
OP VA
LVE
FL.45
° BEN
D
SCR
ROTA
TED.
45°
SO-S
P PIPE
GIBA
ULT
FL-S
P PIPE
FL.45
° BEN
D
FL.FL
CON
NECT
OR
FL.R
.S. ST
OP VA
LVE
FL.45
° BEN
D
SCR
ROTA
TED.
45°
FL - S
P PIPE
FL.FL
CON
NECT
OR
SP PI
PE
FL.FL
CON
NECT
OR
FL.R
.S. ST
OP VA
LVE
FL.45
° BEN
D
SCR
ROTA
TED.
45°
SO-S
P PIPE
GIBA
ULT
FL-S
P PIPE
PLAN DATE: AUG. 2015 SHEET 12NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
SCOUR VALVES DETAILSPIPE CONNECTIONS
SECTION
PROJECTPLANNING
AND DESIGN
150Ø PVC SP-SP
505
229
75 Min.
229
154 M
in.Co
re E
dges
304 M
in.Inv
ert to
Inve
rt
675
175
SEWER GRAVITY MAIN DROP MANHOLE FOR 150Ø PVC - Min. REQUIREMENTS
MAN
HO
LE B
ASE
150Ø
PVC
SO-
SO 'Y
'
150Ø PVC SP-SP
150Ø PVC PIPE
150Ø PVC SO-SO 45° BEND
150Ø PVC SP-SP STUB
CORE DRILL MANHOLE BASEAND INSTALL HUMESEAL OREQUIV. MECHANICAL COUPLING
GUIDELINES FOR BASE CORES (Humes Recommendations)
HUMESEAL OD CORE SIZE DN 150 ~ 229mmHUMESEAL OD CORE SIZE DN 225 ~ 328mmHUMESEAL OD CORE SIZE DN 300 ~ 398mmMin. DISTANCE BETWEEN CORE HOLES ~ 75mm FOR DN150Min. DISTANCE BETWEEN CORE HOLES ~ 50mm FOR DN225Min. DISTANCE BETWEEN CORE HOLES ~ 50mm FOR DN300
NOTES:
1. NO CORES TO BE THROUGH JOINTS OR WITHIN 50mm OF JOINTS. USEEXTENDED MANHOLE BASE HEIGHTS AS REQUIRED.2. IF Min. CORE SEPARATION DISTANCES USED, EXTREME CARE NEEDS TOBE TAKEN NOT TO OVER-TIGHTEN HUMESEALS AS THIS COULD RESULT INCRACKING OF THE BASE BETWEEN CORES.
18
122
98 178
215
20
158
126
90 110
215
178
128
13
22
120
110
90
86 37 92
215
102.
2
125
101.
4
124.
2
100Ø
CLA
SS 16
FL
125Ø HDPE SDR11
110 O
D HD
PE LO
NGSP
IGOT
STU
B FL
(FOR
BUT
T OR
FUS
ION
WEL
D)
DIRECTION OF PIPE LAY
125 O
D x 1
10 O
D HD
PE LO
NGSP
IGOT
RED
UCER
(FOR
BUT
T OR
FUS
ION
WEL
D)
TYPICAL 100Ø DICL TO 125 OD HDPE CONNECTION DETAIL
TYPICAL CONNECTION OF D.I.C.L. PIPE TO MPVC DETAIL
110E
/125E
S.S
. BAC
KING
RIN
G
DICL PN35MPVC CLASS 2
MPVC CLASS 2CUT OFF SOCKET ANDTREAT SPIGOT EDGE
INSERT SO-SO D.I.C.L.CONNECTOR
CONTINUE LAYING D.I.C.L. PIPE FROMSO-SO CONNECTOR
375Ø DICL TO 500 OD HDPE CONNECTION DETAIL
375Ø
x 50
0Ø F
L-FL
RED
UCER
OD 500 HDPE
PEST11500LS ID 40631
6 S.S
. BAC
KING
RIN
G
L.S. S
TUB
FLAN
GEEL
ECTR
OFUS
ION
OR B
UTT
WEL
D
BACKING RING
375Ø
x 45
0Ø F
L-FL
RED
UCER
ID 401
OD 450 HDPE
PEST11450LS ID 366
316 S
.S. B
ACKI
NG R
ING
L.S. S
TUB
FLAN
GEEL
ECTR
OFUS
ION
OR B
UTT
WEL
D
375Ø DICL
BACKING RING
(OPT
ION
- ECC
ENTR
IC R
EDUC
ER)
(OPT
ION
- ECC
ENTR
IC R
EDUC
ER)
PCD 641BH 26
PEBRD500SSPCD 584BH 26
PEBRD450SS
375Ø DICL TO 450 OD HDPE CONNECTION DETAIL
375Ø
FL-
SO T
HRUS
T CO
NNEC
TOR
ID 401
375Ø DICL
375Ø
FL-
SO T
HRUS
T CO
NNEC
TOR ALTERNATE: THE STUB FLANGE,BACKING RING AND DICL REDUCERCAN BE REPLACED BY A MAXI-STUB(FROM RODNEY INDUSTRIES)
PLAN DATE: AUG. 2015 SHEET 13NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
SEWER MANHOLE ENTRYPIPE CONNECTIONS
SECTION
PROJECTPLANNING
AND DESIGN
45° JUNCTION
SEWER MAIN
45° BEND
SHALLOW SEWER JUNCTION (< 1.2m)Mark as "H" on W.A.E
Min. 150mm ALL ROUND
DN x 150Ø
PLAN
GRADE
THREADED COUPLINGAND CAP
SQUARE JUNCTION
SN8 150Ø INSPECTION SHAFT
150Øx150Ø 150Ø SN8 PIPE
Max. 6m
45° BEND
45°JUNCTIONDN
SEWER MAIN
DN x 150ØCENTRELINE OF BRANCHLINE TO MATCH OBVERT OFSEWER MAIN
CONC. BEDDING Min.150mm THICK ONUNDISTURBED GROUND
150Ø THREADED COUPLING AND CAP(FOR HOUSE DRAINAGE CONNECTION)
//
//
/
PROP
ERTY
0.6m-1.0m
BOUN
DARY
MARKER TAPE
CONCRETE BOLTED TRAPSCREW BY PLUMBER
SN8 150Ø INSPECTIONSHAFT BY PLUMBER
Min. 150mm ALL ROUND
GRANULAR MATERIALGRANULAR MATERIAL
Min. 300mm GRANULAR MATERIALALL ROUND OVER SCREW CAP
FINAL GROUND LEVEL
50mm x 20mm PEG
ELEVATION
Min. 150mm ALL ROUNDGRANULAR MATERIAL
INSTALLED BY PLUMBER ATTIME OF HOUSE CONNECTION
HOUSE BRANCH AND INSPECTION SHAFT CONSTRUCTION:
TO BE CONSTRUCTED AS PART OF INITIAL PROPERTY DEVELOPMENT BY DEVELOPER ORTO BE CONSTRUCTED AS CUT-IN TO EXISTING MAIN BY PROPERTY DEVELOPER ORTO BE CONSTRUCTED AS PART OF CUT-IN FROM EXISTING PROPERTY TO EXISTING MAINBY QUALIFIED PLUMBER.
*
AT COMPLETION OF WORKS THE HOUSE BRANCH AND INSPECTION SHAFT WILL BECOMETHE RESPONSIBILTY OF CHCC. WHEN HOUSE CONNECTION IS MADE BY PUMBER, THEI.O.CONNECTIONS WILL BECOME THE RESPONSIBILTY OF CHCC. 150Øx100Ø SQUAREJUNCTION CUT-IN TO INSPECTION SHAFT (FOR DEEP CONNECTIONS) BY PLUMBER SHALLREMAIN THE RESPONSIBILITY OF THE PROPERTY OWNER.
NOTE: ALL PIPEWORK AND FITTINGS TO BE SN8. HOUSE BRANCH AND INSPECTIONSHAFT TO COMPLY WITH THE NATIONAL PLUMBING AND DRAINAGE CODE AS 3500 PART 2SECTION 4, EXCEPT WHERE SHOWN OTHERWISE ON THIS DRAWING.
45° JUNCTION
SEWER MAIN
45° BEND
Min. 150mm ALL ROUND
DN x 150Ø
PLAN
GRADE
THREADED COUPLINGAND CAP
SO - SO BEND
SN8 150Ø INSPECTION SHAFT
150Ø x 90°
150Ø SN8 PIPE
Max. 6m
600m
m
45°JUNCTIONDN
SEWER MAIN
DN x 150ØCENTRELINE OF BRANCHLINE TO MATCH OBVERT OFSEWER MAIN
CONC. BEDDING Min.150mm THICK ONUNDISTURBED GROUND
//
//
/
PROP
ERTY
0.6m-1.0m
BOUN
DARY
MARKER TAPESN8 150Ø INSPECTIONSHAFT BY PLUMBER
Min. 150mm ALL ROUND
GRANULAR MATERIALGRANULAR MATERIAL
Min. 300mm GRANULAR MATERIALALL ROUND OVER SCREW CAP
FINAL GROUND LEVEL
50mm x 20mm PEG
ELEVATION
Min. 150mm ALL ROUNDGRANULAR MATERIAL
150Øx100Ø SQUARE JUNCTIONCUT-IN BY PLUMBER
CONC. BEDDING MIN.150mm THICK BY PLUMBER
DEEP SEWER JUNCTION (> 1.2m)Mark as "V" on W.A.E
NOTE:THIS JUNCTION CUT-IN BY THE PLUMBER WHENHOUSE CONNECTION MADE, SHALL REMAIN THERESPONSIBILITY OF THE PROPERTY OWNER
AUSSPEC HOLDPOINT
AUSSPEC HOLDPOINT
CONCRETE BOLTED TRAPSCREW BY PLUMBER
AS3500.2 SEC.4.4.3.1(c) - No branchdrain or fixture discharge pipe shall beconnected to an inspection shaft wherethe shaft is constructed from a squarejunction installed in a graded drain
INSTALLED BY PLUMBER ATTIME OF HOUSE CONNECTION
45° BEND60
0mm
CIVIL CONTRACTOR - Aus-Spec
Shallow Sewer Junction (<1.2m)
1 x 150mm x 150mm PVC 45° Junction1 x 150mm PVC 45° Bend1 x 150mm x 150mm PVC 90° Junction2 x 150mm PVC Threaded Couplings2 x 150mm PVC Screw CapsMarker TapeConcrete for bedding under 90° Junction
Deep Sewer Junction (>1.2m)
1 x 150mm x 150mm PVC 45° Junction1 x 150mm PVC 45° Bend1 x 150mm PVC 90° Bend1 x 150mm PVC Threaded Couplings1 x 150mm PVC Screw CapsMarker TapeConcrete for bedding under 90° Bend
PLUMBER - AS 3500
Shallow Sewer Junction (<1.2m)
1 x 150mm Concrete Bolted Trap Screw
AS3500.2 Sec.4.4.3.1(C)No branch drain or future discharge pipe shall be connected toan inspection shaft where the shaft is constructed from aSquare junction installed in a graded drain.
Deep Sewer Junction (>1.2m)
1 x 150mm Concrete Bolted Trap Screw1 x 150mm x 100mm PVC 90° JunctionConcrete for bedding under 100mm Junction Branch Line
Note:Council is responsible for all maintenance and repairs to theinspection shaft.Except in the instance of the 150mm x 100mm vertical junction,installed by the Plumber in Shafts greater than 1.2m deep. ThisJunction remains part of the house drainage and is the owner’smaintenance responsibility.
For properties where there is only a 150mm screw capconnection point, the Plumber is to construct the Inspectionshaft in 150mm PVC as per Civil Contractor (Aus-Spec)
MAXIMUM DEPTH OF PROPERTY CONNECTION POINTABSOLUTE MAXIMUM DEPTHCONNECTION R.L OF HOUSE CONNECTION TOCOUNCIL"S BOUNDARY RISER
PLAN DATE: AUG. 2015 SHEET 14NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
PROPERTY CONNECTION DETAIL
SECTION
PROJECTPLANNING
AND DESIGN
GRADE SN8
SOFFIT DESIGN REQUIREMENTS
SOFFIT
OTHER SERVICE OBSTRUCTION
'WORST CASE' BUILDING
'WORST CASE' PLUMBING FIXTURE OR FITTING
CONTROLLING SURFACE LEVEL (CSL)
S(sd) = (100 y/x)%
x
y
DN OF CUSTOMER SANITARY DRAIN (DN(sd))
LENGHT OF CUSTOMER SANITARY DRAIN (Lsd)
SOFFIT REQUIREMENTThe soffit requirement is the depth from the controlling surfacelevel on the property (usually the overflow relief gully) to the soffitof the sewer connection point. The soffit requirement is based onproviding assurance that a reticulation sewer, flowing at fullcapacity, will not surcharge via the customer sanitary drain.
5.6.5.2 Soffit requirementThe soffit requirement applies to all sewered lots and shall be 1.2 m.With the approval of the Water Agency, the soffit requirements may be reduced to 900 mmwhere:(a) the number of lots connected upstream of the subject lot does not exceed 10 or theequivalent loading; or(b) the grade of the sewer downstream of the property connection is steeper than 3%.
Where the minimum soffit requirement cannot be met for an existing lot, alternative meansof safeguarding against overflow shall be determined, e.g. pumping system, installation ofreflux valve. Such measures shall comply with AS/NZS 3500.2.
TABLE 5.11MINIMUM COVER OVER SEWERS Location Minimum cover to top of sewer mmPublic and private lots not subject to vehicular loading 600 - new developments 450 - existing developments
Private lots zoned residential subject to vehicular loading 750
Footways, nature strips, industrial and commercial lots, sealed 900road pavements other than major roads subject to vehicularloading
Unsealed road carriageways 1200
Major road carriageways 1200
Future road, rail and tram pavements 1200
NOTE:Water Agency minimum cover requirements shall take precedence.
5.6.4 Lot servicing requirements
5.6.4.1 General
The vertical alignment of the reticulation sewer may be controlled by the depth of theproperty connection point (Refer to Clause 6.3.5). This controlling depth is the highest levelof the sewer at which full drainage of the required service area of a lot is provided bygravity via the customer sanitary drain laid in accordance with ASINZS 3500.2.
The sewer shall service the whole lot subject to the qualifications outlined inClauses 5.6.4.2 to 5.6.4.6. The sewer and connection point shall be deep enough toenable a 'worst case" plumbing fixture in a serviced lot to be connected using permissiblegrades and depths. The 'worst case" plumbing fixture in a serviced lot may be at the lowestpoint on the lot, the point furthest from the property connection, or a combination of both,but does not normally include basements of buildings (Refer to Clause 5.6.4.5).
Diagonal alignments shall not be used to determine lot control.
SOFF
IT 1
200m
m
MIN.
COV
ER 6
00mm
FGL
FGL
FGL
FGL
150
MIN. CLEARANCE (a)
MINIMUM COVER (C) NOM. 300mm75
75
PLAN DATE: AUG. 2015 SHEET 15NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
SOFFIT DESIGNWSSA & AS3500 REQUIREMENTS
SECTION
PROJECTPLANNING
AND DESIGN
7.8.5.2 Permanent ends of pipe (CHCC)
Reticulation sewers that are not to be extended do not need to be terminated at aSMH if all the following requirements are met:
(a) If the length of sewer from the downstream maintenance structure is less than 30 m. thanonly a maximum of 2 Lots can be connected to the sewer.(b) If the length of sewer from the downstream maintenance structure is less than 20 m. thanonly a maximum of 4 Lots can be connected to the sewer.(c) The grade is 1 in 60 or steeper. (1.67%) (SMH required for grades below 1.67%.)(d) Minimum Soffit height in achieved (1.2m)(e) 100% of the Lot is serviceable into the vertical riser
Reticulation sewers that comply with the above requirements may be terminated with avertical boundary riser to FGL. (See Standard Drawing)
Note: Maintenance Chambers, Maintenance Shafts, Terminating Maintenance Shafts notapproved for use by CHCC.
SEWER DEAD END <20m DETAIL
150Ø
SN8
SEW
ER P
IPE
TO G
ROUN
D LE
VEL
45° SO-SO BEND
GROUND LEVEL
45° SO-SO BEND
150Ø CONCRETED BOLTED TRAPSCREW BY CONTRACTOR
150Ø SEWER PIPE(2 x Ø =300mm LONG)
CONC. BEDDING SUPPORTINGBOTH BENDS. Min. 150mm TH.ON UNDISTURBED GROUND
AUSSPEC HOLDPOINT
Terminating Boundary Shaft
150Øx100Ø SQUARE JUNCTIONCUT-IN BY PLUMBER
CONC. BEDDING MIN.150mm THICK BY PLUMBER
GULLY OR LOWEST FIXTURE
SOFFIT REQUIREMENT 1.2mWSA 02-2014-3.1 - 5.6.5.2
MINIMUM COVER OVER SEWERWSA 02-2014-3.1 - Table 5.11
SOFFIT REQUIREMENTThe soffit requirement is the depth from the controlling surfacelevel on the property (usually the overflow relief gully) to the soffitof the sewer connection point. The soffit requirement is based onproviding assurance that a reticulation sewer, flowing at fullcapacity, will not surcharge via the customer sanitary drain
5.6.5.2 Soffit requirementThe soffit requirement applies to all sewered lots and shall be 1.2 m.With the approval of the Water Agency, the soffit requirements may be reduced to 900 mmwhere:(a) the number of lots connected upstream of the subject lot does not exceed 10 or theequivalent loading; or(b) the grade of the sewer downstream of the property connection is steeper than 3%.
Where the minimum soffit requirement cannot be met for an existing lot, alternative meansof safeguarding against overflow shall be determined, e.g. pumping system, installation ofreflux valve. Such measures shall comply with AS/NZS 3500.2.
LOT SERVICING REQUIREMENTWSA 02-2014-3.1 - 5.6.4.2
150Ø SN8 SEWER PIPE
MARKER TAPE REQUIRED OVERDEAD END SEWER LINES
PLAN DATE: AUG. 2015 SHEET 16NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM AUSSPEC, P.W.D. & WSA SEWER CODE)
SEWER DEAD DETAILPROPERTY CONNECTION
SECTION
PROJECTPLANNING
AND DESIGN
ANCHOR LEGS BOLTED TO LUGS THENSET IN Min. 300 TK CONCRETE KEYEDINTO UNDISTURBED GROUND
CLOCKWISE CLOSING SO-SO STOP VALVE WITHANCHOR LUGS SEWERCOUNTER CLOCKWISE CLOSING SO-SO STOPVALVE WITH ANCHOR LUGS WATER
**NOTE: ALL PIPE AND FITTINGSINCLUDING FCP STOP VALVES TOBE COMPLETELY WRAPPED WITHLILAC OR CREAM LPS (LOOSEPOLYETHYLENE SLEEVING)
SO - SO ANCHORED STOP VALVE(TYCO CODE: VZ10ANCHORKIT OR APPROVED EQUIVALENT)
(ONLY FOR DN100 AND DN150 PIPES)
VALVE ANCHORAGE FOR 100Ø AND 150Ø PIPES
(** NOTE - SP/SP VALVES ARE NOT TO BE USED -ONLY EXCEPTION IS FOR TEMPORARY VALVE)
PIPE TRENCH
THRU
ST A
REA
BASE
AND
WAL
LS.
END ELEVATION
SIDE ELEVATION
MIN
. 300
mm
W/2
T
H
250
150
Min
G
THRUST IN BOTH DIRECTIONSUSE INTEGRALLY CASTTHRUST CONNECTOR
FLOW
THRUST BLOCK TO EXTEND300 Min. INTO SIDE WALLS
THRU
ST A
REA
BASE
AND
WAL
LS.
MIN. 300mm THICK N20CONCRETE KEYED IN W/2 TOEACH SIDE OF TRENCH INTOUNDISTURBED GROUND
MIN. 300mm THICK N20CONCRETE KEYED IN W/2 TOEACH SIDE OF TRENCH INTOUNDISTURBED GROUND
TRIMMER BARS
hG
2 x 4 x Y16 BARS TIEDTO TRIMMING BARS
CLOCKWISE CLOSING SEWERCOUNTER CLOCKWISE CLOSING WATERFLANGED STOP VALVE
CLOCKWISE CLOSINGFLANGED STOP VALVE
**NOTE: ALL PIPE AND FITTINGSINCLUDING FCP STOP VALVES TOBE COMPLETELY WRAPPED WITHLILAC OR CREAM LPS (LOOSEPOLYETHYLENE SLEEVING)
**NOTE: ALL PIPE AND FITTINGSINCLUDING FCP STOP VALVES TOBE COMPLETELY WRAPPED WITHLILAC OR CREAM LPS (LOOSEPOLYETHYLENE SLEEVING)
ANCHORAGE FOR ALL OTHER VALVES > 150mm MAINS(STOP VALVES > 375Ø ONLY AVAILABLE FLANGED)
FL - FL ANCHORED IN LINE STOP VALVE
DIMENSIONS FOR G, H, h, T & W DEPEND ON REQUIREDBEARING AREA. REFER TO SCHEDULE ON SHEET 8
ANCHORAGE FOR ALL OTHER VALVES > 100mm MAINS(STOP VALVES > 375Ø ONLY AVAILABLE FLANGED)
FL - FL ANCHORED 3 x STOP VALVE TEE ASSEMBLY
DIMENSIONS FOR G, H, h, T & W DEPEND ON REQUIREDBEARING AREA. REFER TO SCHEDULE ON SHEET 8
**NOTE: ALL PIPE AND FITTINGSINCLUDING FCP STOP VALVES TOBE COMPLETELY WRAPPED WITHLILAC OR CREAM LPS (LOOSEPOLYETHYLENE SLEEVING)
PIPEØ < 300F82 MESH BOTH FACES8 x N12 BARS @ Min. 2 x Ø TIED TOF82 MESH EA. FACE.(16 BARS TOTAL)
PIPEØ > 300N16 @ 200 CTS EA. WAY BOTH FACES8 x N16 BARS @Min. 2 x Ø TIED TO N16BARS EA. FACE. (16 BARS TOTAL)
Note 1
Note 2
PIPEØ < 300F82 MESH BOTH FACES8 x N12 BARS @ Min. 2 x Ø TIED TOF82 MESH EA. FACE.(16 BARS TOTAL)
PIPEØ > 300N16 @ 200 CTS EA. WAY BOTH FACES8 x N16 BARS @Min. 2 x Ø TIED TO N16BARS EA. FACE. (16 BARS TOTAL)
Note 1
Note 2
S V S V
S V
150
Min
300Min.
COUNTER CLOCKWISECLOSING (WATER) FLANGEDSTOP VALVE
PUDDLE FLANGE
F82 MESH OR N16 BARS
8 TRIMMER BARS EACH FACE
THRUST BLOCK TO EXTEND300 Min. INTO SIDE WALLS
NOM LENGHTS OF THRUST CONNECTOR
100ø TO 150ø 600mm NEW
100ø TO 150ø 900mm
200ø TO 375ø 1200mm
450ø TO 750ø 1500mm
THRUST CONNECTOR DESIGN LENGHTS
SPIGOT/SPIGOT STOP VALVES NOT APPROVED FOR USE.SHORT BARREL GIBAULTS NOT APPROVED FOR USE.
NOTES
PLAN DATE: AUG. 2015 SHEET 17NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
TEE AND STOP VALVE DETAILTHRUST CONNECTOR DETAIL
SECTION
PROJECTPLANNING
AND DESIGN
8 TRIMMER BARS EA. FACE (16 TOTAL)
PUDDLE FLANGE
PIPEØ < 300F82 MESH BOTH FACES
8 x N12 BARS @ Min. LENGTH =2 x PIPE ØTIED TO F82 MESHEA. FACE.(16 BARS TOTAL)
PIPEØ > 300N16 @ 200 CTS EA. WAY BOTH
FACES 8 x N16 BARS @ Min. LENGTH= 2 x PIPE Ø TIED TO N16 BARS EA.
FACE. (16 BARS TOTAL)
PIPESø < 300
PIPESø >300
FRONT AND BACK FACE
4 x N16 DIAGONAL BARS @ Min. LENGTH = 2 x PIPE Ø.2 x N16 HORIZONTAL BARS @ Min. LENGTH = 2 x PIPE Ø.
2 x N16 VERTICAL BARS @ Min. LENGTH = 2 x PIPE Ø
N16 STEEL DETAIL
HORIZONAL & VERTICAL N16 BARS @ 200 CENTRESPUDDLE FLANGE CENTERED BETWEEN N16 FABRICATED SHEETS
THRUST SIZE TO BE DETERMINED BY TEST PRESSURE & SOIL TYPE
F82 STEEL DETAILPUDDLE FLANGE CENTERED BETWEEN F82 MESH SHEETS
THRUST SIZE TO BE DETERMINED BY TEST PRESSURE & SOIL TYPE
THRUST CONNECTION STEEL REQUIREMENT
THRUST CONNECTION STEEL REQUIREMENT
FRONT AND BACK FACE
4 x N12 DIAGONAL BARS @ Min. LENGTH = 2 x PIPE Ø.2 x N12 HORIZONTAL BARS @ Min. LENGTH = 2 x PIPE Ø.
2 x N12 VERTICAL BARS @ Min. LENGTH = 2 x PIPE Ø
MIN. 300mm THICK 25MpaBATCHED CONCRETE KEYED INW/2 TO EACH SIDE OF TRENCHINTO UNDISTURBED GROUND. IFACID SULPHATE SOILS, THENINCREASE CONCRETE STRENGTHTO 40Mpa
PIPEØ < 300F82 MESH BOTH FACES8 x N12 BARS @ Min. LENGTH = 2 x PIPE Ø TIEDTO F82 MESH EA. FACE.(16 BARS TOTAL)
PIPEØ > 300N16 @ 200 CTS EA. WAY BOTH FACES8 x N16 BARS @ Min. LENGTH = 2 x PIPE Ø TIEDTO N16 BARS EA. FACE. (16 BARS TOTAL)
Note 1
Note 2
8 TRIMMER BARS EA. FACE (16 TOTAL)F82 MESH OR N16 BARS (SEE NOTES 1 & 2)
PUDDLE FLANGE CENTERED BETWEEN F82MESH SHEETS OR N16 BARS (SEE NOTES 1& 2)
200
PUDDLE FLANGE
**NOTE: ALL PIPE AND FITTINGSINCLUDING FCP STOP VALVES TOBE COMPLETELY WRAPPED WITH(COLOUR SPECIFIED) LPS (LOOSEPOLYETHYLENE SLEEVING)
PLAN DATE: AUG. 2015 SHEET 18NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - WATER & SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
THRUST CONNECTOR REO DETAIL
SECTION
PROJECTPLANNING
AND DESIGN
250 Min.
300mm 300mm 300mm
N16-200 Trimmer Bars
N16-200 UBar 150-300
150mm
300mm
N16-200 Starter Bars
N16-200 Trimmer BarsN16-400 UBar 150-300
FIRST THRUST BLOCK
SECOND THRUST BLOCK
REUSE MAIN
WATER M
AIN
STARTER BARS
TYPICAL CONCRETE THRUST BLOCKS FOR ADJACENTDUAL WATER MAINS
THRUST AREA
250
MIN
.
50 M
IN
COMPRESSIBLE MEMBRANEBBETWEEN TOP OF FIRSTTHRUST BLCOCK AND BARRELOF PIPE.
CLEARANCE REFER DESIGN
FIRST THRUST BLOCK
STARTER BARS
SECOND THRUST BLOCK
50 MIN
COMPRESSIBLE MEMBRANEBBETWEEN TOP OF FIRSTTHRUST BLCOCK AND BARRELOF PIPE.
WM
RM
80Ø PN16 HYDRANT CONTROL VALVE/AIRVALVE ISOLATOR (TYCO RED TOP CWCFOR BOTH WATER AND SEWER)
VENTOMAT RGX 50mm FLANGED AV
80Ø - 50Ø FLANGE ADAPTER
PLAN DATE: AUG. 2015 SHEET 19NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
MULTIPLE BENDTHRUST DETAIL
SECTION
PROJECTPLANNING
AND DESIGN
VERTICAL BENDSELEVATION
N20 CONCRETE
3 TK INSERTION RUBBERBETWEEN 316 S.S. STRAPAND BEND REFER TO SHEET 7
250
Min
TAPER THRUST BLOCK(FOR HORIZONTAL THRUST)
PLAN
Min.
DI OR PVC PIPE
PROTECTIONAS REQUIRED
HALF THRUST AREAEACH SIDE
CORROSION
& F82 MESHLAID CENTRALLY
N20 CONCRETE150
BEARINGAREA 300 Min.
BEARINGAREA 300 Min.
THRUST BLOCK FOR TEES(FOR HORIZONTAL THRUST)
CORROSION PROTECTIONAS REQUIRED
DI PVC PIPE
PLANELEVATION
WDIMENSIONS FOR G,H & WDEPEND ON REQUIREDBEARING AREA. REFER TOSCHEDULE ON SHEET 6
250Min.
DN
CORROSION PROTECTIONAS REQUIRED
H
hG
THRUST BLOCK FOR BENDS(FOR HORIZONTAL THRUST)
CORROSION PROTECTIONAS REQUIRED
DI OR PVC PIPE
PLANELEVATIONW
ANCHOR BLOCK CONSTRUCTION NOTES:
LOCATE ANCHOR BLOCK CENTRALLY AROUND BEND.KEY ANCHOR BLOCK INTO BASE OF TRENCH A MIN. DEPTH OF 250mm.POUR CONCRETE AGAINST A SOLID EXCAVATED FACE.USE GRADE N20 CONCRETE.KEEP CONCRETE CLEAR OF ALL BOLTS, NUTS AND PIPE JOINTS.
250Min.
DN H
hG
PLAN DATE:AUG. 2015
TYPICAL THRUST BLOCKS
SHEET 20NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
ANCHOR DETAIL
SECTION
PROJECTPLANNING
AND DESIGN
CH. FROM D/S MH
HC LOT No HC TYPE INVERT LEVEL HOUSE CONNECTION
DEPTH TO HC
DROP TYPE NORTHING EASTING LID TYPE MANHOLE TYPE MANHOLE/END NAME
HC LOT COVERAGE %
RUNNING CHAINAGE
LEVEL DESIGN SURFACE
OF SEWER INVERT LEVEL
DEPTH TO INVERT
JUNCTION INVERT LEVEL
MIN/DESIGN/MAX ET's GRADE DIAMETER SURFACE TYPE
1H
5A
2H
3H
4H
1.000
17.10
018
.100
34.60
035
.600
49.60
050
.600
509
510
527
511
526
512
525
SLOP
E
SLOP
ESL
OPE
SLOP
ESL
OPE
SLOP
ESL
OPE
5.271
5.407
5.416
5.555
5.564
5.682
5.690
3.762
3.440
3.420
3.088
3.067
2.781
2.766
A
5144
96.93
866
5670
0.810
5144
48.20
466
5673
3.333
CL B
META
L
CL B
META
L
22
9.000
10.00
0
24.00
025
.000
40.50
041
.500
55.00
056
.000
513
524
514
523
515
522
516
521
SLOP
ESL
OPE
SLOP
ESL
OPE
SLOP
ESL
OPE
SLOP
ESL
OPE
5.883
5.894
6.042
6.053
6.217
6.228
6.371
6.381
2.467
2.451
2.217
2.200
1.948
1.934
1.739
1.719
A
5145
46.62
066
5666
7.831
CL B
META
L2
A
5145
54.74
466
5666
2.376
CL B
META
L2
1.000
16.96
2
518
517
SLOP
E
SLOP
E
6.662
6.862
1.314
0.880
B
5145
45.35
866
5664
8.248
END
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
H
DATUM RL -4.0
58.59
0
0.000 58.590
8.406
9.045
5.683
5.188
2.723
3.857
6.847
12/12/180
0.85%
118.2
22
59.632
8.064
6.345
5.713
1.719
2.693
4/4/204
1.06%
128.0
08
9.786
7.993
6.479
6.375
1.514
1.689
6.559
4/4/204
1.06%
144.9
70
16.962
7.742
6.787
6.574
0.955
1.419
1/1/223
1.25%
150 SN8 PVC
ALLOTMENT
CH. FROM D/S MH
HC LOT No HC TYPE INVERT LEVEL HOUSE CONNECTION
DEPTH TO HC
DROP TYPE NORTHING EASTING LID TYPE MANHOLE TYPE MANHOLE/END NAME
HC LOT COVERAGE %
CHAINAGE FROM DOWN STREAM MAINTENANCE HOLE
AS PER DESIGN PLANS"H" HORIZONTAL <1.2M DEEP, "V" VERTICAL >1.2M DEEP.
INVERT LEVEL OF BRANCH (75mm HIGHER THAN SEWER INVERT LEVELS)
INVERT TO DESIGN FGL
TYPE A "STRAIGHT THROUGH" TYPE B (EXTERNAL DROP) NORTHING COORDINATE EASTING COORDINATECLASS (A, B, C, D) METAL, CONCRETE, BOLT DOWNTYPE 1 <1.2m, TYPE 2 >1.2m, TYPE 3 EX. DROP, END (IS)
AMOUNT OF ALLOTMENT COVERED BY CONNECTION (%)
MANHOLE/END NAME
RUNNING CHAINAGE
LEVEL DESIGN SURFACE
OF SEWER INVERT LEVEL
INVERT TO DESIGN FGL
FOR TYPE 3 MH JUNCTION INVERT LEVEL (RODDING POINT)
MIN/DESIGN/MAX ET's GRADE AS % DIAMETER, CLASS, MATERIALALLOTMENT, ROAD, FOOTPATH,RESERVE,ETC
RUNNING CHAINAGE
LEVEL DESIGN SURFACE
OF SEWER INVERT LEVEL
DEPTH TO INVERT
JUNCTION INVERT LEVEL
MIN/DESIGN/MAX ET's GRADE DIAMETER SURFACE TYPE
EXPLANATORY NOTES
EXPLANATORY NOTES
LINE
Longsection Setout as per WSA 02 - 2002 AusSpec 2008 CHCCLongsection Setout as per WSA 02 - 2014 AusSpec 2015 CHCC
5.6 VERTICAL ALIGNMENT OF SEWERS
5.6.1 General
Vertical alignment is primarily determined by the topography and minimum pipe size andgrades required to transport the design flows. Other critical factors that influence the finalsewer size, level and grade include:(a) Adequate depth to seNice the entire individuallot-soffit requirement;(b) Adequate depth to seNice all lots within the catchment by gravity;(c) Adequate grade for self-cleansing;(d) Adequate grade for slime stripping when required;(e) Minimum depth requirements to ensure mechanical protection of the sewer and toavoid interference from underground seNices and future excavation work;(f) Achieving clearances between the sewer, utility seNices and obstructions; and(g) Allowance for various drops and losses through maintenance structures.
5.6.2 Long section design plan
The vertical alignment of sewers shall be shown as longitudinal sections in the DesignDrawings.
The longitudinal section (or level schedule) shall nominate all relevant levels along thelength of the proposed sewer at prescribed intervals specified by the Water Agency.
In addition, levels shall also be provided for the following locations:(a) At each side of any road and waterway crossing.(b) At crossings of existing and proposed drains, cables and other pipes and services.(c) At changes in grade including at maintenance structures and vertical bends.(d) At regular intervals on vertical curves so that the sewer depth is within minimum andmaximum limits below FSL.
NOTES
GRAVITY SEWERS ARE TO BE DESIGNED WITHIN THE PROPERTY BOUNDAEY WITH A 1.2M SETBACKFROM BOUNDARY.COUNCIL APPROVAL IS REQUIRED FOR GRAVITY SEWER MAINS IN ROAD RESERVE.EXEMPTIONS:SEWERS CROSSING ROADS AT 90ºEXTENSIONS OF EXISTING SEWERS WHERE NO ALTERNATIVE ROUTE IS AVAILABLE.
RETAINING WALLSEWER MAINS ARE TO BE DESIGNED IN FRONT OF RETAINING WALLS.
PLAN DATE: AUG. 2015 SHEET 21NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
SEWER DESIGNTYPICAL LONG SECTION
SECTION
PROJECTPLANNING
AND DESIGN
STUBG.L 11.5
TOP 10.95INV. RL 10.42514645.02 E6658541.67
SL-3.45GL. 11.1
TOP 10.51INV. RL 10.01514650.46 E
6658552.26 N
YJ - 12.5D. 1.07
YJ - 1.5D. 1.52
SL - 3.5GL. 10.6
TOP 10.01INV.RL 9.27514654.36 E
6658562.56 N
348'28' - 3.85 150ØUPVC CLASS SN8
STUB @ 2.78% GRADE
RL. 11.23 TOPRL. 10.34 INV. IN
RL. 10.29 INVER. OUT
C4
C3
RL. 10.42 TOPRL. 8.77 INV. IN
RL. 8.72 INVER. OUT
YJ - 26.9D. 1.55
YJ - 28.86D. 1.59
SL - 3.1GL. 10.1TOP 9.56
INV.RL 8.91514653.78 E
66585569.58 NLINE
C
20°14'50" 2
1.02
347°5
1'50"
3
0.72
65
4
3
(2)
7
@ 7.67%
@ 8.
33%
SEWER WAE (REQUIRED DOCUMENTATION)GEOREFERENCED CAD FILES Cad file shouldn’t be a substitute for supporting information likeinset details, construction details, dimensions etc.Sewer lines, Manholes & Junctions are to be shown on seperate layers.LAYERS - CHCC_S_Lines, CHCC_MH, CHCC_S_Junct
PDF PLANS - SIGNED BY A REGISTERED SURVEYOR
INFORMATION TO BE SHOWN ON WAE
PIPE UsageMaterialClassDiameterLength and GradeDepth to InvertInvert (AHD)Surface Level (AHD)MGA ChainageCoordinate ScheduleGeoreferenced Linework
FITTING TypeDiameterDepth to InvertInvert (AHD)Surface Level (AHD)MGA ChainageCoordinate ScheduleGeoreferenced Points
MANHOLES LabelDepthSurface Level (AHD)Invert Out (AHD)Invert(s) In (AHD)Coordinate ScheduleGeoreferenced Points
UPVC SN8
UPVC SN
8
SEWER MANHOLE MGA CO-ORDINATESSMHC/1C/2C/3C/4
EASTING514669.17514645.10514651.55514644.28
NORTHING6658623.40665859.186658565.166658545.45
LEVELTOP 6.61TOP 7.78TOP 10.42TOP 11.23
SEWER RETICULATION EXTENSION(150Ø UPVC CLASS SN8EXISTING SEWER MAINEXISTING WATER MAINEXISTING WATER SERVICE CROSSINGEXISTING STORMWATER DRAINAGEY JUNCTION-LENGHT FROMDOWN STREAM MANHOLEDEPTHSIDE LINEGROUND LEVEL
LEGEND
SWM
W WD D
YJ-2.5YJ-2.5
DSLGL
WORK AS CONSTRUCTED
PLAN DATE: AUG. 2015
WAE DETAIL
SHEET 22NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
MINIMUM REQUIREMENTS
SECTION
PROJECTPLANNING
AND DESIGN
AIR VALVE DETAIL FOR 90 DIA. HDPE MAINS (NOT STANDARD - ONLY FOR SPECIAL APPLICATIONS)
HDPE SEWER RISING MAIN
75
90mm x 90mm TEEELECTROFUSION BONDED
FIXED TO CONCRETE
90Ø STUB FLANGE& BACKING PLATE
HOLD DOWN STRAPS
80Ø FL. GATE VALVE
"SAAR" - A.R.I. COMBINED AIRRELEASE VALVE MODEL D-020OR APPROVED EQUIVALENT
50Ø DRAINAGE HOLE TO 20mmØAGGREGATE DIRECTED TO CRUSHED ROCK
BASE 100 DEEP1000 LONG x 200 WIDE x 100 DEEPMASS CONCRETE STRIP FOOTING DISCHARGE POINT
CAPPED 50Ø PVC PIPE FOR FUTURE VENTING UNLESS
90Ø COUPLINGELECTROFUSION BONDED
FIXED TO PITSTABILISING STRAP
OTHERWISE SHOWN
VENTOMAT RGX 50Ø/ 80Ø/100Ø AV (FOR SEWER)
PIPE -TYPE AND DIA. TO SUIT
VENTOMAT RBX 50Ø / 80Ø/100Ø AV (FOR WATER, REUSE)
PRECAST "HUMES" OR EQUIV. TYPE PIT900 x 900 OR 1200 x 1200 WITH STEPIRONS (AND RISERS AS SPECIFIED)
COMPACTED BASE MATERIALMIN. 150 THICK
AIR VALVE TEE PIPE LENGTHEITHER SIDE TO BE MIN. 4M
CRUSHED ROCKBASE 100 DEEP
50Ø DRAINAGE HOLE TO 20mmØ AGGREGATEDIRECTED TO DISCHARGE POINT
50Ø/80Ø/100Ø PN16 HYDRANT CONTROLVALVE/AIR VALVE ISOLATOR (TYCO REDTOP CWC FOR BOTH WATER AND SEWER)
PRECAST "HUMES" OR EQUIV.TYPE PIT 900x900x1350 WITHSTEP IRONS
FLANGED AIR VALVEADAPTOR AS SPECIFIEDIN MATERIALS LIST
**NOTE: ALL PIPE AND FITTINGS INCLUDING FCP STOPVALVES TO BE COMPLETELY WRAPPED WITH LILACOR CREAM LPS (LOOSE POLYETHYLENE SLEEVING)
**NOTE: ALL PIPE AND FITTINGSINCLUDING FCP STOP VALVES TOBE COMPLETELY WRAPPED WITHLILAC OR CREAM LPS (LOOSEPOLYETHYLENE SLEEVING)
SET CHAMBER TO BE 300mm ABOVE NATURAL SURFACE.SET CHAMBER TO BE 50mm ABOVE FINISHED SURFACEIN TRAFFICABLE AREAS.SET CHAMBER TO BE FLUSH WITH EXISTINGBITUMEN/CONCRETE IN ROADWAY AND FOOTPATHS.
SET CHAMBER TO BE 300mm ABOVE NATURAL SURFACE.SET CHAMBER TO BE 50mm ABOVE FINISHED SURFACEIN TRAFFICABLE AREAS.SET CHAMBER TO BE FLUSH WITH EXISTINGBITUMEN/CONCRETE IN ROADWAY AND FOOTPATHS.
HEAVY DUTY AL. LID BOLTED/LOCKED TO PITUSING CUP HEAD SCREWS (Min.12 HOLES).15Ø AIR RELEASE HOLES DRILLED AT 150 C/C.ALTERNATE - CONC. SURFACE INLET PIT LIDWITH GALV. GRATED INSERT.
CONCRETE SURFACE INLET PIT LID WITHGALVANIZED HINGED GRATED INSERT.ALTERNATIVECONCRETE AIRTIGHT GATIC LID WHERE VENTSTACK SPECIIFIED IN RESIDENTIAL AREAS.
TYPICAL RGX/RGB TYPE AIR VALVE DETAIL
1000 LONG x 200 WIDE x 100 DEEPMASS CONCRETE STRIP FOOTINGTYPICAL BOTH SIDES
CRUSHED ROCKBASE 100 DEEP
50Ø DRAINAGE HOLE TO 20mmØ AGGREGATEDIRECTED TO DISCHARGE POINT
FLANGED AIR VALVE ADAPTOR (IF REQUIRED) AIR VALVE TEE WITH HOLD DOWN STRAPS
PRECAST "HUMES" OR EQUIV. TYPEPIT 900 x 900 OR 900 x 1200 WITH STEPIRONS (AND RISERS AS REQUIRED)
SET CHAMBER TO BE 300mm ABOVE NATURAL SURFACE.SET CHAMBER TO BE 50mm ABOVE FINISHED SURFACEIN TRAFFICABLE AREAS.SET CHAMBER TO BE FLUSH WITH EXISTINGBITUMEN/CONCRETE IN ROADWAY AND FOOTPATHS.
HEAVY DUTY AL. LID BOLTED/LOCKED TO PITUSING CUP HEAD SCREWS (Min.12 HOLES).15Ø AIR RELEASE HOLES DRILLED AT 150 C/C.ALTERNATE - CONC. SURFACE INLET PIT LIDWITH GALV. GRATED INSERT.
**NOTE: ALL PIPE AND FITTINGSINCLUDING FCP STOP VALVESTO BE COMPLETELY WRAPPEDWITH BLUE LPS (LOOSEPOLYETHYLENE SLEEVING)
100 Ø FIRE PLUG TAPPED FLANGEWITH 50mm BSP THREAD
NOM. 50mm BSP BALL VALVE WITH LEVER
TYPICAL BSP FITTED AIR VALVE DETAIL
VENTOMAT RPS/PENTAIR C30 THREADED AIRRELEASE VALVE OR EQUIVALENT (DN50 MALE BSPT)
370
FULLY OPEN
240
DN80
DN80
200
780
(RG
X-80
, RG
X-10
0)
VENT
OM
AT R
GX
HYDRANT CONTROL VALVE/AIR VALVE ISOLATOR
(400
WHE
N O
PEN)
363
(RG
X II-
50)
546
(RG
X II-
80, R
GX
II-10
0)
268
CONCRETE BLOCK OUT ANDCRADLE AROUND PIPE
80Ø PN16 HYDRANT CONTROL VALVE/AIRVALVE ISOLATOR (TYCO RED TOP CWCFOR BOTH WATER AND SEWER)
VENTOMAT RGX 50mm FLANGED AV
N.T.S.
TYPICAL 50Ø AIR VALVE DETAILDETAIL 1
80Ø - 50Ø FLANGE ADAPTER
HEAVY DUTY AL. LID BOLTED/LOCKED TO PITUSING CUP HEAD SCREWS (Min.12 HOLES).15Ø AIR RELEASE HOLES DRILLED AT 150 C/C.ALTERNATE - CONC. SURFACE INLET PIT LIDWITH GALV. GRATED INSERT.
SET CHAMBER TO BE 300mmABOVE NATURAL SURFACE.
PRECAST "HUMES" OR EQUIV. TYPEPIT 900 x 900 OR 900 x 1200 WITH STEPIRONS (AND RISERS AS REQUIRED)
AIR VALVE TEE WITH HOLD DOWN STRAPS
CRUSHED ROCK/ BEDDINGMATERIAL Min 50mm THICK
CONCRETE FILLED BESSER BLOCKSPOLYSTYRENE AROUND PIPE
CORE 150mmØ HOLE FOR VENT STACK OUTLETPIPE AT DEPTH/LOCATION SPECIFIED.CONCRETE BULKHEAD
AIR VAVLES ARE TO BE DESIGNED ABOVE THE 1IN 100 YEAR FLOOD HEIGHT
1 in 100 FLOOD R.L.
AIR VAVLES ARE TO BE DESIGNED ABOVE THE 1 IN 100 YEAR FLOOD HEIGHT
1 in 100 FLOOD R.L.
AIR VALVES ARE TO BE DESIGNED ABOVE THE 1 IN 100YEAR FLOOD HEIGHT.
1 in 100 FLOOD R.L.
AIR VAVLES ARE TO BE DESIGNED ABOVE THE 1 IN 100 YEAR FLOOD HEIGHT
1 in 100 FLOOD R.L.
FLANGED AIR VALVE ADAPTOR 225Ø to 80Ø
STANDARD 80Ø PIPE FLANGETO CONFORM TO AS4087,AS2129
STANDARD 225Ø PIPE FLANGETO CONFORM TO AS4087,AS2129
PLAN - TOP FLANGE
SECTION
PLAN - BOTTOM FLANGE
STANDARD 80Ø PIPE BARRELWELDED TO FLANGES
NOTES:· BOTTOM 225Ø FLANGE TO BE
BLANK FLANGE WITH 80Ø INLETHOLE DRILLED CENTRALLY.
· BOLT HOLES TO BE 18mmØ FORM16 BOLTS AND TO CONFORMTO AS4087
(375Ø x 375Ø x 225Ø TEE)
370
324
241
185 82 146
100
2421
145
FLANGED AIR VALVE ADAPTOR FOR 250Ø to 80Ø
STANDARD 80Ø PIPE FLANGETO CONFORM TO AS4087,AS2129
STANDARD 250Ø PIPE FLANGETO CONFORM TO AS4087,AS2129
PLAN - TOP FLANGE
SECTION
PLAN - BOTTOM FLANGE
STANDARD 80Ø PIPE BARRELWELDED TO FLANGES
NOTES:· BOTTOM 250Ø FLANGE TO BE
BLANK FLANGE WITH 80Ø INLETHOLE DRILLED CENTRALLY.
· BOLT HOLES TO BE 18mmØ FORM16 BOLTS AND TO CONFORMTO AS4087
(500Ø x 500Ø x 250Ø TEE)
185 82 146
100
2721
148
405
260
360
PLAN DATE: AUG.2015
TYPICAL AIR VALVES
SHEET 23NOT TO SCALE
COFFS HARBOUR CITY COUNCILCONSTRUCTION - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)SECTION
PROJECTPLANNING
AND DESIGN
AIR VALVE ADAPTOR FOR 80Ø A.V.
FLANGED AIR VALVE ADAPTOR FOR 225Ø to 100Ø
STANDARD 100Ø PIPE FLANGETO CONFORM TO AS4087,AS2129
STANDARD 225Ø PIPE FLANGETO CONFORM TO AS4087,AS2129
PLAN - TOP FLANGE
SECTION
PLAN - BOTTOM FLANGE
STANDARD 100Ø PIPE BARRELWELDED TO FLANGES
NOTES:· BOTTOM 225Ø FLANGE TO BE
BLANK FLANGE WITH 100ØINLET HOLE DRILLEDCENTRALLY.
· BOLT HOLES TO BE 18mmØFOR M16 BOLTS AND TOCONFORM TO AS4087
FLANGED AIR VALVE ADAPTOR 150Ø to 100Ø
STANDARD 100Ø PIPE FLANGETO CONFORM TO AS4087,AS2129
STANDARD 150Ø PIPE FLANGETO CONFORM TO AS4087,AS2129
PLAN - TOP FLANGE
SECTION
PLAN - BOTTOM FLANGE
STANDARD 100Ø PIPE BARRELWELDED TO FLANGES
NOTES:· BOTTOM 150Ø FLANGE TO BE
BLANK FLANGE WITH 100ØINLET HOLE DRILLEDCENTRALLY.
· BOLT HOLES TO BE 18mmØFOR M16 BOLTS AND TOCONFORM TO AS4087
(375Ø x 375Ø x 225Ø TEE)
(300Ø x 300Ø x 150Ø TEE)
178
108
215
143 20
100
23
280
161
235
215
144
370
178
108
2010
024
324
241
600H TAPER37
5Ø P
IPEL
INE
2
F.S.L.
LENGTH TO SUIT
CAMLOCK PUMPOUT FOR SEWER DETAIL N.T.S.
5
650H BASE13
14
15
CORE DRILL CHAMBER BASE &SEAL PIPE CONNECTION WITHSILICON & TWO PART EPOXY
4 4
6
54
3 1
N.T.S.
CAMLOCK PUMPOUT FOR REUSE DETAIL
375Ø
PIP
ELIN
E7
911
12
8
6
78
375Ø
PIP
ELIN
E
1
23 1
123456789
1011121314
NOM. 375Ø x 150Ø FL. SCOUR VALVE150Ø R.S. FL. STOP VALVE 150Ø x 100Ø FL. REDUCER100Ø F.L HYDRANT RISER100Ø 90° FL. BEND100Ø FL. PIPE (CUT TO SUIT)100Ø UNIFLANGEGAL. OR STAINLESS STEEL ADAPTOR 100Ø FL TO 100Ø FEMALE BSPTYPE F 80Ø CAMLOCK - MALE CAMLOCK / MALE BSP (100mm)
600mm x 600mm PIT RISERPIT LID AND CLIPS (HEAVY DUTY)650mm HIGH MANHOLE BASE600mm HIGH STRAIGHT BACK RISER190mm HIGH MANHOLE SURROUNDS AND HEAVY DUTU LID
NOTE: FOR CAMLOCK FITTINGS REFER AAP INDUSTIES,MATTHEW DAVIS AUSTRALIA OR LIKE INDUSTRIES
SCOUR VALVE COVER, SURROUNDAND EXTENSION SPINDLE TO SUIT
SCOUR VALVE COVER, SURROUNDAND EXTENSION SPINDLE TO SUIT
**NOTE: ALL PIPE AND FITTINGSINCLUDING FCP STOP VALVESTO BE COMPLETELY WRAPPEDWITH LILAC LPS (LOOSEPOLYETHYLENE SLEEVING)
**NOTE: ALL PIPE AND FITTINGSINCLUDING FCP STOP VALVESTO BE COMPLETELY WRAPPEDWITH CREAM LPS (LOOSEPOLYETHYLENE SLEEVING)
15
TYPE DC 80mm DUST CAP (FOR CAMLOCK)
10
9
10
9
TYPE F 80mm CAMLOCK
96
106
74
73
PIPE -TYPE AND DIA. TO SUIT
PRECAST "HUMES" OR EQUIV. TYPE PIT900 x 900 OR 1200 x 1200 WITH STEPIRONS (AND RISERS AS SPECIFIED)
COMPACTED BASE MATERIALMIN. 150 THICK
CRUSHED ROCKBASE 100 DEEP 50Ø DRAINAGE HOLE TO 20mmØ AGGREGATE
DIRECTED TO DISCHARGE POINT
**NOTE: ALL PIPE AND FITTINGSINCLUDING FCP STOP VALVES TOBE COMPLETELY WRAPPED WITHBLUE LPS (LOOSEPOLYETHYLENE SLEEVING)
SET CHAMBER TO BE 300mm ABOVE NATURAL SURFACE.SET CHAMBER TO BE 50mm ABOVE FINISHED SURFACEIN TRAFFICABLE AREAS.SET CHAMBER TO BE FLUSH WITH EXISTINGBITUMEN/CONCRETE IN ROADWAY AND FOOTPATHS.
CONCRETE SURFACE INLET PIT LID WITHGALVANIZED HINGED GRATED INSERT.ALTERNATIVECONCRETE AIRTIGHT GATIC LID WHERE VENTSTACK SPECIIFIED IN RESIDENTIAL AREAS.
TYPICAL AIR VALVE CHAMBER DETAIL
CONCRETE FILLED BESSER BLOCKSSIZED TO SUIT COMPONENT PROFILE
POLYSTYRENE AROUND PIPE
VENTOMAT RBX FLANGED AV
ISOLATION VALVE
AIR VALVE DETAIL FOR OFFSET CHAMBERS
N.T.S.
TYPICAL 80Ø AIR VALVE DETAIL
300Ø X 100Ø SOC TEE
STOP VALVE REQUIRED IF OFFSET ISGREATER THAN 5.5M OR AS SPECIFIED
100Ø - 80Ø FLANGE ADAPTER90° FL BEND
DN80
DN80
VENT
OM
AT R
BX
100Ø 90° FL BEND
AIR VAVLES ARE TO BE DESIGNED ABOVE THE 1 IN 100 YEAR FLOOD HEIGHT
1 in 100 FLOOD R.L.
PLAN DATE: AUG. 2015
CAMLOCK SCOUR FITTINGS
SHEET 24NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)AIR VALVE ADAPTOR FOR 100Ø A.V.
SECTION
PROJECTPLANNING
AND DESIGN
SHALLOW SEWER JUNCTION (< 1.2m)
GRADE
150øx150ø SQUARE JUNCTION
Max. 6m
SEWER MAIN
CONC. BEDDING Min.150mm THICK ONUNDISTURBED GROUND
//
//
//
//
PROP
ERTY
0.6m-1.0m
BOUN
DARYSwimming Pool Back Wash
SN8 150Ø INSPECTION SHAFT
150øx100ø Taper
Min. 300mm GRANULAR MATERIAL
FINAL GROUND LEVEL
ELEVATION
AS3500 HOLDPOINT
AS3500.2 SEC.4.4.3.1(c) - No branchdrain or fixture discharge pipe shall beconnected to an inspection shaft wherethe shaft is constructed from a squarejunction installed in a graded drain
100øx100ø 90° Junction
50ø 45° Bends
Private Pump Station SRM
PRIVATE PUMP STATION
Offset 150mm
Min. 150mm GRANULAR MATERIAL
Sized to Manufacturers Specifications
100øx100ø 90° Bend
150mm Air Gap
Notes:All work to comply with AS3500Required DocumentationDepartment of Fair TradingNotice of WorksCertificates of Complance (3 Copies)Drainage diagramPump StationSpecifications
PLAN DATE: AUG. 2015
PRIVATE PUMP STAION
SHEET 25NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)CONNECTION TO BOUNDARY RISER
SECTION
PROJECTPLANNING
AND DESIGN
MS
M8
HSS
4 -
M10
7 -
M20
No.
4
4
4
4
4
4
4
4
BOLT
M12
M8
M12
M12
M16
M16
M16
-151
M36
214103
M30
13364.3
M24
92.644.6
M20
59.328.6
M16
-15.1MS =MILD STEEL COMMERCIAL BOLTS GRADE 4.6HSS = HIGH STRENGTH STRUCTURAL BOLTS GRADE 8.8
BOLT SIZE
BOLT TYPE
SHEAR CAPACITY (KN)
M12
THRUST AT 80m. HEAD TIMES F.O.S. OF 1.5
kN
9.24
13.30
29.94
48.88
62.46
77.71
170.85
113.19
120
100
180
230
290
260
430
350300
375
225
250
200
150
80
100
mm O.D.(mm)NOMINAL SIZE
BOLT ANCHORAGE SCHEDULE - DESIGN CAPACITIES OF BOLTS WITH THREAD INCLUDED IN SHEAR PLANE
0.34
0.22
0.16
0.12
m²
11.25° BENDS
-
-
0.09
W(m)
-
-
-
0.25
0.35
0.29
-0.43
0.46
0.18 -
-
G(m)
-
-0.14
0.22
W(m) G(m)
-
-
-0.61
0.68
0.54
-
-0.92
0.89
-0.360.12
0.20
0.25
0.30
0.67
0.44
m²
-
-0.29
0.40
W(m) G(m)
-
-
-1.17
1.34
1.01
-1.79
1.73
-0.69
-
0.23
0.38
0.48
0.59
1.31
0.86
m²
0.11
0.48
0.76
W(m) G(m)
0.11
0.16
0.141.64
1.81
1.47
0.23
0.172.69
2.19
1.27
0.12
0.42
0.72
0.90
1.09
2.42
1.60
m²
0.20
22.5° BENDS45° BENDS
-
-
0.53
0.34
G(m)W(m)
90° BENDS
-
-
-
1.33
1.75
1.55
-
0.111.84
2.35
0.91 -
0.14
0.25
0.27
m²h(m)mm
80
100
NOMINAL SIZE
0.41
0.44
0.38
1.13
0.73
0.50300
375
225
250
200
0.33150
1.72
0.77
0.64
0.50
0.30
0.08
BLANK ENDS / TEES
THRUST BLOCKS SCHEDULE FOR 80m. HEAD IN SAND & GRAVEL BONDED WITH CLAY
STRAP ANCHORAGE DETAIL
D
C
40
30
30
D
100-150
200225-250
B
13
16
T
6
10
W
50
75
INSERTION RUBBER
T
B C
INSERTION RUBBER
50
40300
375 2010100
2010100
161075
E
E
125
110
110
150
125
3080 13650 80
N20 CONCRETE
WHERE (B) = BASE PLATE
(W) = WIDTH OF STRAP
GUSSET
H(m)
0.15
0.15
0.15
0.30
0.15
0.15
0.15
0.15
0.48 0.61 --1.200.95-2.351.860.283.203.430.112.690.79450 2.420.30
0.82
0.58 -0.69
0.87 -
-
-1.74
1.37
1.63
1.15
0.093.10
2.70
3.20
2.270.34
0.474.21
3.54
5.93
4.19
0.24
0.162.98
3.55
2.96
0.94
0.84500
600 4.20
0.30
0.30
1.26 1.16 --2.302.510.193.844.920.655.229.100.384.391.09750 6.430.30
SAFE BEARING PRESSURE AT MIN 0.6m. DEEP FOR HORIZONTAL & VERTICAL THRUST BLOCKS IN UNDISTURBED GROUND FOR 80m. HEAD TIMES BY FACTOR OF SAFETY OF 1.5
TYPICAL THRUST BLOCK SIZES FOR Min. 100kN/m² BEARING CAPACITY
BEARING CAPACITIES:SOFT CLAY ~ 25kN/m²SAND ~ 50kN/m²SAND AND GRAVEL ~ 75kN/m²SAND AND GRAVEL BONDED WITH CLAY ~ 100kN/m²SHALE ~ 240kN/m²ROCK ~ 430kN/m² *
LEGEND:HEIGHT(H) = PIPE O.D. + (H)WIDTH(W) = AREA / (H + G)(G) = DEPTH BELOW PIPEMax. WIDTH (W) = HEIGHT (H) X 3(h) = Max. HEIGHT(H) ABOVE TOP OF PIPEm² = BEARING AREA AGAINST UNDISTURBED GROUND
NOTE * : ROCK IS DEFINED AS MATERIAL THAT CANNOT BE EXCAVATEDWITH A 30t EXCAVATOR WITH A GENERAL PURPOSE BUCKET
NOTE ** : WHERE (G) IS GREATER THAN 0.15m, REINFORCEMENT ISREQUIRED IN THRUST BLOCK
-
-
-
-
-
-
-
0.10
-
-
- -
FOR THRUST BLOCK SCHEDULES FOR OTHER BEARING CAPACITIES AND MULTIPLE PIPE THRUST BLOCKS ~ REFER CHCC DESIGN BRANCH
NOTES1. BEARING AREAS SHOWN IN SCHEDULE HAVE BEEN CALCULATED FOR NORMAL DRY CONDITIONS. FOR SATURATED SOILS, THE BEARING AREAS MUST BE ADJUSTED TO THE SUPERINTENDENT'S
REQUIREMENTS
2. BEARING AREAS GIVEN IN SCHEDULE MAY BE REDUCED FOR MATERIALS HAVING A HIGHER SAFE BEARING CAPACITY THAN THAT ASSUMED, IF APPROVED BY THE SUPERINTENDENT.
3. \WHERE THE SAFE BEARING CAPACITY IS LOWER THAN 100KPA THE BEARING AREAS ARE TO BE PROPORTIONALLY INCREASED TO SUIT THE AVAILABLE SAFE BEARING CAPACITY OF THE SOIL..
4. AREA OF THRUST BLOCKS AT MULTIPLE BENDS OR FITTINGS ARE TO EQUAL THE SUM OF THE BEARING AREAS GIVEN IN THE SCHEDULE FOR EACH BEND OR FITTING.
5. CONCRETE THRUST BLOCKS TO BE CURED FOR MINIMUM 7 DAYS BEFORE BEING SUBJECTED TO ANY THRUST LOAD UNLESS OTHERWISE DIRECTED BY THE SUPERINTENDENT.
6. THRUST BLOCKS TO BE CAST AGAINST UNDISTURBED GROUND.
FIX STRAP WITH SELECTED BOLTS CHEMICALLYBONDED TO CONCRETE OR THREADED HOOKEDBARS OF SIMILAR SIZE SET IN CONCRETE
BOLTS TO HAVE Min. 30mm CLEARANCE (C)FROM EDGE OF STRAP OR 2.5 TIMES BOLTDIAMETER, WHICHEVER IS THE GREATER
ANCHOR BOLT SPECIFICATIONS STRAP SPECIFICATIONS FOR 316SS S/S STRAP
(C) = CLEARANCE(E) = Min. BOLT EMBEDMENT DEPTH(T) = THICKNESS OF STRAP
MS HSS MS HSS MS HSS MS HSS MS HSS MS HSS MS HSS
*MIN. NO. OF BOLTS / PAIR OF STRAPS = 4. **SELECTED NO. & SIZE OF BOLTS MUST SUIT SHEAR CAPACITY. ***REF. AUSTRALIAN INSTITUTE OF STEEL CONSTRUCTION (AISC) 1ST EDITION
0.30
-
-
-
N/A
N/A
N/A
N/A
N/A
0.60
N/A
0.30 0.75
0.30
0.30 0.75
0.90
0.30 0.90
-
-
-
-
N/A
1.72
1.13
0.77
0.64
m² W(m) G(m)
2.42
4.20
2.96
6.43
0.14
0.08
0.50
0.30
STOP VALVES
h(m) T(m)
-
-
-
h(m)mm
80
100
300
375
225
250
200
150
450
500
600
750
-
-
-
-
0.73
0.79
0.94
0.84
1.09
2.27
1.84
1.52
1.38
2.69
3.55
2.98
4.39
0.66
0.50
1.23
0.95
0.22
0.61
0.51
0.46
0.33
0.48
0.37
0.60
0.22
0.17
0.41
0.32
VERTICAL BENDS(Min. BLOCK ANCHORAGE)
7.14
4.70
3.22
2.65
10.11
17.47
12.34
26.80
0.60
0.35
2.12
1.24
11¼°(m³)mm
80
100
300
375
225
250
200
150
450
500
600
750
22½°(m³) 45°(m³) 90°(m³)
1.39
0.90
0.65
0.50
1.99
3.38
2.39
5.22
0.10
0.05
0.40
0.25
2.75
1.81
1.23
1.03
3.87
6.67
4.71
10.25
0.25
0.15
0.83
0.49
5.04
3.33
2.26
1.85
7.16
12.33
8.73
18.94
0.42
0.28
1.48
0.88
PRIVATE PROPERTY VEHICULAR 750
900
1200
1200
FOOTPATHS, SEALED ROAD (NON ARTERIAL)
ARTERIAL ROADS
UNSEALED ROADS
PRIVATE PROPERTY NON VEHICULAR - NEW DEVELOPMENT
PRIVATE PROPERTY NON VEHICULAR - EXISTING DEVELOPMENT
LOCATION
MINIMUM COVER - SEWER PIPELINES
Min. COVER (mm)
600
450
80
400
150
200
250
225
375
300
100
mm
NOM. PIPE SIZE (DN) (INSIDE TIMBERING/SHEET PILING IF ANY)Min. CLEAR WIDTH OF TRENCH
MINIMUM TRENCH WIDTHS
PIPE OTHER THAN PVC/PE (mm) PVC/PE (mm)
400
400
450
500
550
550
600
700
700
450
500
600
750
750
850
950
1100
350
350
400
450
500
500
550
650
650
700
800
900
1050
525 850 800
5.005.506.006.507.007.508.008.509.009.5010.0010.5011.0011.5012.0012.5013.0013.5014.0014.5015.0015.5016.0016.5017.0017.5018.0018.5019.0019.5020.0020.5021.0021.5022.0022.5023.0023.5024.0024.5025.0025.5026.0026.5027.0027.5028.0028.5029.0029.50
20.018.216.715.414.313.312.511.811.110.510.09.59.18.78.38.07.77.47.16.86.66.46.26.05.85.65.55.35.25.04.94.84.74.64.44.34.24.24.14.03.93.83.73.73.63.53.53.43.33.3
29.328.427.526.725.925.124.423.823.222.622.021.521.020.520.019.619.118.718.318.017.617.316.916.616.316.015.715.415.214.9
14.213.713.312.912.512.211.811.511.210.910.610.410.19.99.79.59.39.18.98.78.58.38.28.07.97.77.67.57.37.2
TRENCH STOP AND CONCRETE BULKHEADSPIPE GRADE
(%)TRENCH STOP
(DIST. cs-cs)CONC. B/HEAD
(DIST. 5.5m PIPE cs-cs)CONC. B/HEAD
(DIST. 2.66m PIPE cs-cs)
NO
CO
NC
RET
E BI
LKH
EASD
REQ
UIR
EDTR
ENC
H S
TOPS
INTE
GR
ATED
WIT
H C
ON
CR
ETE
BULK
HEA
D
PLAN DATE: AUG. 2015
THRUST ANCHORAGE TABLE
SHEET 26NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
BOLT ANCHORAGE TABLE
SECTION
PROJECTPLANNING
AND DESIGN
64Ø WHITE CABLECON CLASS 9 (SDR 12.1)CONDUIT WITH PULL ROPE AS SUPPLIED BYVINIDEX P/L OR SIMILAR & JOINED BY MECHANICALOR FUSION WELDED JOINTS FOR FUTURECOMMUNICATIONS CABLE. INSTALL PITS SIMILARTO TELSTRA TYPE AT MAX. 300m SPACINGS ATSUITABLE LOCATIONS APPROVED BYSUPERINTENDENT.
75
75
TYPICAL COMMUNICATION CONDUITS IN TRENCH
63Ø
COND
UIT
375Ø
REU
SE
150Ø
WAT
ER
1500
DETECTABLE TAPE
800
500Ø
REU
SE
250Ø
SRM
No.5
300Ø
WAT
ER
375Ø
WAT
ER
800 800
75
75
63Ø
COND
UIT
COMMUNICATIONS PITS ARE TO FIRMLY BEDDEDAND BACKFILLED.
CONCRETE ENCASED PIPE NOTES:
1. REINFORCED CONCRETE N25. FORAGGRESSIVE CONDITIONS USE SPECIALGRADES OF CONCRETE.
2. MINIMUM STEEL REINFORCEMENT OF0.4% OF CONCRETE CROSS SECTIONPLACED CENTRALLY AND WITH MINIMUMCOVER OF 65mm TO EXTERNAL FACE.SPECIFY REINFORCEMENT FOR THEAPPLICABLE LOADING IN DESIGNDRAWINGS.
3. PIPE DRAIN WHERE TRENCHES REQUIRECONTINUOUS DRAINAGE (MIN. DN 100BOTH SIDES) THROUGH BULKHEADS ANDIN TRENCH EXCAVATIONS ACROSSROADS. WHERE REINFORCING IS USEDLOCATE DRAIN INSIDE THE REINFORCING.DEPTH MAY NEED TO BE INCREASED TOCOMPENSATE.
CONCRETE PIPE ENCASEMENT UNDER LOADOPTION 2 - REINFORCED CONCRETE CAGE
Next Conc. Pour
Next Conc. Pour
150 150
CONCRETE PIPE ENCASEMENT UNDER LOADOPTION 1 - FIBRECRETE ON CONCRETE BASE
FOR CONTINUOUS POURS OVER PIPECOLLARS, SAWCUT CONCRETE TO Min.75mmDEEP TO INDUCE CRACKING
FOR CONTINUOUS POURS OVER PIPECOLLARS, SAWCUT CONCRETE TO Min.75mmDEEP TO INDUCE CRACKING
APPLY ABELFLEX OR EQUIV. TO COLLARSFOR CONTINUOUS POURS
END CONCRETE POUR AT A COLLARAND PROVIDE 12mm TK.COMPRESSIBLE MEMBRANE
500mm L. 24Ø DOWELS (SS ROD ORGALV.) WITH DOWEL CAP OR DOWEL BARSLEEVES. ALTERNATIVELY, APPLYGREASE OR OTHER DEBONDINGCOMPOUND
CONTINUOUS N25 CONCRETESLAB Min.150mm TK.
P.E. SLEEVING Y16 BARS @ 600mm cs TERMINATE STEEL REINFORCEMENT TOACHIEVE 75mm GAP AT COLLARS
APPLY ABELFLEX OR EQUIV. TO COLLARSFOR CONTINUOUS POURS
END CONCRETE POUR AT A COLLARAND PROVIDE 12mm TK.COMPRESSIBLE MEMBRANE
500mm L. 24Ø DOWELS (SS ROD ORGALV.) WITH DOWEL CAP OR DOWEL BARSLEEVES. ALTERNATIVELY, APPLYGREASE OR OTHER DEBONDINGCOMPOUND
CONTINUOUS N25 CONCRETESLAB Min.150mm TK.
P.E. SLEEVING Y16 BARS @ 600mm cs TERMINATE STEEL REINFORCEMENT TOACHIEVE 75mm GAP AT COLLARS
ELEVATIONELEVATION
Next Conc. Pour
TREN
CH FI
LL
ENCASEMENT POUR - N25 CONCRETEVIBRATED TO ELIMINATE VOIDS
STRAIGHT Y12 BARS (LENGTH TOSUIT) SPLICED TO 'U' BARS
TREN
CH FI
LL
CONCRETE COVER - Min.200mm, Max. 300mm
ENCASEMENT POUR - N25 CONCRETE WITHCORRUGATED STEEL FIBRES @ 50kg/m³VIBRATED TO ELIMINATE VOIDS
Y16 'U' BAR @ 600cs(REFER SCHEDULE)
100mm. TK. CONCRETEBLOCK PIPE SUPPORT
P.E. SLEEVING
24Ø DOWELS ON EACH SIDE TO BEINSTALLED WHERE JOINING BETWEENSEPARATE ENCASEMENT POURS
STRAIGHT Y16 BARS @ 200 cs. Min. 65mmTO 75mm COVER ALL ROUND
Y16 'U' BAR @ 600cs(REFER SCHEDULE)
COMPACTED BEDDINGAND SUBGRADE
BASE POUR - CONTINUOUS SLAB Min.150 TK.(VIBRATED). FOR ENCASEMENT POUR,GREEN CUT SURFACE AND APPLY BONDINGAGENT
TRENCH WALL - FIRM UNDISTURBEDGROUND
TEMPORARY PLASTIC CAPUNTIL ENCASEMENT POUR
PIPE
EMB
EDME
NT
STRAIGHT Y16 BARS @ 200 cs. Min. 65mmTO 75mm COVER ALL ROUND
BASE POUR - CONTINUOUS SLAB Min.150 TK.(VIBRATED). FOR ENCASEMENT POUR,GREEN CUT SURFACE AND APPLY BONDINGAGENT
NOTE:1. AT EACH COLLAR, STRAP DOWN PIPE FIRMLY TO BASE
STEEL CAGE TO PREVENT 'FLOATING'.2. WHERE ABELFLEX OR EQUIV. IS REQUIRED AT COLLARS
FOR CONTINUOUS POURS, ENSURE IT FITS SNUGAROUND SPIGOT END OF PIPE BARREL
TRENCH WALL - FIRM UNDISTURBEDGROUND
TEMPORARY PLASTIC CAPUNTIL ENCASEMENT POUR
PIPE
EMB
EDME
NT
100mm. TK. CONCRETEBLOCK PIPE SUPPORT
P.E. SLEEVING
24Ø DOWELS ON EACH SIDE TO BEINSTALLED WHERE JOINING BETWEENSEPARATE ENCASEMENT POURS
Y16 'U' BAR @ 600cs(REFER SCHEDULE)
COMPACTED BEDDINGAND SUBGRADE
SECTIONAL VIEWSECTIONAL VIEW
150200250300375450525600675750
3504005005506007007508009001000
40050050060065070080090010001100
PIPE Ø HEIGHT WIDTH
150200250300375450525600675750
300300350350350400450500550600
40050050060065070080090010001100
PIPE Ø HEIGHT (B) WIDTH200200200250350350400400450500
HEIGHT (T)
(T)
(B)
NOTE:1. AT EACH COLLAR, STRAP DOWN PIPE FIRMLY TO BASE
STEEL CAGE TO PREVENT 'FLOATING'.2. WHERE ABELFLEX OR EQUIV. IS REQUIRED AT COLLARS
FOR CONTINUOUS POURS, ENSURE IT FITS SNUGAROUND SPIGOT END OF PIPE BARREL
FOR DUAL PIPES ADD PIPE SEPARATION DISTANCE ANDDIAMETER OF NEW PIPE TO WIDTH
FOR DUAL PIPES ADD PIPE SEPARATIONDISTANCE AND DIAMETER OF NEW PIPETO WIDTH
CONCRETE COVER - Min.200mm, Max. 300mm
MARKING TAPE
MARKING TAPE
PLAN DATE: AUG. 2015 SHEET 27NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
CONCRETE PIPE ENCASEMENTCOMMUNICATION TRENCHING
SECTION
PROJECTPLANNING
AND DESIGN
HDPE PIPE
ELECTRO FUSION COUPLING(HDPE 400Ø OD OR LESS)OR FUSION BUTT WELD(HDPE > 400Ø OD) STUB
FLANGE
SS BACKINGFLANGE
DICL WATER MAIN
FL-SOC THRUSTCONNECTOR(SEE SHEET 4 - ALTERNATIVEVALVE RESTRAINT DETAIL)
SS LONGBOLTS
FL-FL REDUCER
GROUND LEVEL
PLAN VIEW
70mm2 Cu.BARE CONDUCTOR CABLE
R=1.0m
D=30
0mm
ELEVATION VIEW
SEE DETAIL 2
DETAIL 2
COPPER CRIMP LUG70mm2 CABLE LUG
CABAC CAL70-10 or EQUIV
M10 BOLT ASSEMBLY
VALVE FLANGE BOLTASSEMBLY (VARIES SIZES)
SEE DETAIL 1
DETAIL 1
1 OFF EARTH CLAMPCABAC CACD070"C" CONNECTOR"(DIE SET HT130-CO)
TO VALVE/FITTING
CONTINUOUS LOOP
PIPELINE SIDE VALVE SIDE
70mm2 Cu CABLE
TINNED COPPER BUSBAR40x6mm TO SUIT
DENSO TAPE THIS AREA
UNDERGROUND WARNING TAPE200m
mNOTE: ENSURE EPOXY COATING IS REMOVEDFROM FLANGE BEFORE CONNECTION.USE ELECTRICAL JOINTING PASTEON BOTH SURFACES BEFORE TIGHTENING
ELECTRICAL JOINTING PASTE IS A UNIQUE ELECTRICALJOINTING COMPOUND, FORMULATED TO PREVENTGALVANIC CORROSION AND ENHANCE CONNECTIONSIN ELECTRICAL JOIN
INGROUND EARTHING RING DETAIL
TYPICAL HDPE TO DICL CONNECTION DETAILS
ALTERNATE COUPLING USINGMAXI-STUB FLANGES
PLAN DATE:AUG. 2015
IN-GROUND EARTHING RING
SHEET 28NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)SECTION
PROJECTPLANNING
AND DESIGN
REQUIRED ROAD BOX-OUT'X'
1200
mm
600mm600mm
PIPE TYPES UNDER ROADS
PIPEWORK IN THIS ZONE ('X' + 1200mm)TO BE TYTON EXTREME (FOR SEWER)OR D.I.C.L. (FOR WATER). PIPE TOEXTEND 600mm BEHIND BACK OF KERB
FOR PIPEWORK IN THIS ZONE (DEEPER THAN 'X' +1200mm), D.I.C.L. RECOMMENDED BUT PVC SN8 FORGRAVITY SEWERS AND OPVC PN16 OR MPVC PN16FOR PRESSURE MAINS WOULD BE ACCEPTABLESUBJECT TO C.H.C.C. APPROVAL
('X' +
1200
mm)
PVC COLLARS NOT TO BEUSED ON DICL PIPE SPIGOTS
PLAN DATE:AUG. 2015
CONSTRUCTION TRAFFIC
SHEET 29NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
PIPE TYPE REQUIREMENTS
SECTION
PROJECTPLANNING
AND DESIGN
PLAN DATE: AUG. 2015
GRAVITY SEWER GRADING TABLE
SHEET 30NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
150ø TO 600ø NOM. PIPE SIZES
SECTION
PROJECTPLANNING
AND DESIGN
PIPE BRIDGING
BASE SLAB/FOOTING FOR RETAININGWALL. N20 CONCRETE WITH F92 MESHT & B WITH Min. 30mm COVER. Y12 BARS@ 200 c-c EW
Min. 200Ø MASS CONCRETE BORED PIERS TOFIRM UNDISTURBER GROUND. Min. DEPTH TOBE TO INVERT OF PIPE
O.D.
Min
.
PIPE O.D.+ Min 600mm500
200
N.S.
NOTE: IF RETAINING WALL OR LIKESTRUCTURE IS OVER 800mm HIGH,DESIGN WILL NEED TO BE CERTIFIEDBY A STRUCTURAL ENGINEER
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
400 400
200 Min.
DEPTH TO SUIT
N32 CONCRETE
UNDISTURBED GROUND
EXISTING SLEEVE OF UNDERBORE
LAY POLYSTYRENE BETWEENU/SIDE OF SLAB AND TOP OFPIPE - Min. TH 50mm
F82 MESH LAID 50mm FROM BOTTOM2000mm
SINGLE SIZE SAND
BRIDGING LAYER TO SUITSPECIFICATIONS
REFER NOTE 1
REFER NOTE 2
REFER NOTE 3
NOTES:
1. THE CONCRETE SLAB IS TO BE INSPECTED BY COUNCIL'S WATER CAPITAL WORKS CO-ORDINATOR PRIOR TO IN SITU POUR OR PRECAST PLACEMENT.2. THE BRIDGING LAYER IS TO BE PREVENTED FROM INFILTRATING INTO THE SINGLE SAND ZONE. BREAKDOWN AT THAT INTERFACE COULD CAUSE THE BRIDGING LAYERUNDER THE CONCRETE SLAB TO BECOME UNSTABLE AND IMPACT ON THE PIPE SLEEVE.3. THE BASE GROUND UNDER THE BRIDGING LAYER IS TO BE COMPACTED WHERE REQUIRED TO ENSURE THAT NO MOVEMENT IN THAT LAYER THAT COULD IMPACT ONTHE CONCRETE SLAB.
PIPE BRIDGING UNDER TRAFFIC LOAD
GENERAL CONSTRUCTION NOTES(TO BE READ IN CONJUNCTION WITH THE PART 5 ENVIRONMENTAL ASSESSMENT)
1. Construction to be in accordance with water services association (WSA 03-2002) watersupply code of Australia.
2. Backfill trench to achieve min. 0.45m cover over pipe in path & 0.6m in road.3. Trenches greater than 1.2m deep to be benched & use trench shield for road crossings
>1.2m deep.4. Sawcut trenches at road crossings & backfill using 14:1 sand/cement mix as shown in
trench detail on details sheet.5. Carry out sediment and erosion control measures in accordance with Landcom's 'Soil and
Construction - Managing Urban Stormwater Guidelines (Blue Book) in accordance with theconditions of the part V environmental assessment.
6. Exercise caution when excavating across telstra & electrical underground cables.7. Locate sewer services & mains crossing new main prior to construction.8. Locate & renew existing water services affected by new mains & replace gms pipes with
copper.9. Set valve cover boxes & surrounds to suit level of existing or proposed surface level & paint
the appropriate colour on sewer pipeline.10. Renew existing stormwater outlets affected by work.11. All flanged fittings to A.S. 4087-1996 Class 16 (Fig. No. B5) for ductile iron pipes.12. All bolts used underground on fittings to be protected with an anti-corrosive putty and tape
(i.e. petro) unless 316ss is used & nuts & bolts to be coated with molybond.13. All stop valves are to be strapped & anchored (see details sheet).14. Evenly trim all footpaths affected by construction, then topsoil & lay turf to min. 1.2m wide
along Hogbin Drive. Remaining disturbed areas are to be restored with original topsoil &seeded for grass.
15. Place marker posts & plates indicating size, depth & alignment at valves & changes indirection and 200m intervals on straight reaches & pipe ends on pipelines.
16. Place marker plates indicating depth & size on kerb face where mains cross road.17. Water supply operator for the area to be contacted min. 7 days in advance to arrange
watermain locations, any shutdowns or notifications.18. Lay cream colour detectable tape over new sewer rising main min.150mm above top of pipe.19. D.I.C.L. pipelines to be wrapped in appropriately coloured polyethylene sleeving to
specification.20. Construction supervisor to note changes in depth & alignment to design & locations of new
services on plan & long section when work is completed & to forward work as executeddrawings to superintendent.
21. Location of existing services is indicative only. It is the supervisor's responsibility to confirmlocation of all existing service lines, including water mains, telecommunication cables &Country Energy cables prior to the commencement of construction and to avoid disturbanceof these services. The supervisor is to contact the relevant authority if conflicts with existingservices occur.
22. New pipelines are to be pressure tested to min.80m head prior to commissioning.23. Acid Sulphate Soils have been identified in this area & will require treatment to EPA
guidelines.
CONCRETE MARKER POSTS• USED FOR IDENTIFICATION OF VALVES AND HYDRANTS• HEAVY DUTY, SOLID CONCRETE• SIZE 100 MM SQUARE X 1800 MM LONG2 X N8 BARS MIN 40MM COVER40MPA CONCRETE
CONCRETE MARKER POST
PLAN DATE: AUG. 2015
PIPE BRIDGING
SHEET 31NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
GENERAL NOTES
SECTION
PROJECTPLANNING
AND DESIGN
WSSA STANDARD DRAWINGSSEW-1202SEW-1203SEW-1204SEW-1207SEW-1302SEW-1303SEW-1304SEW-1305SEW-1307SEW-1313SEW-1401SEW-1402SEW-1403SEW-1406NOT USED IN CHCC STANDARD DRAWING(DESIGN APPROVAL REQUIRED)
PLAN DATE: AUG. 2015
WSSA STANDARD DRAWINGS
SHEET 32NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
ACCEPTED BY CHCCDESIGN APPROVAL REQUIRED
SECTION
PROJECTPLANNING
AND DESIGN
WSSA STANDARD DRAWINGSSEW-1208SEW-1306SEW-1314SEW-1315SEW-1316SEW-1317SEW-1400NOT APPROVED BY CHCC
PLAN DATE: AUG. 2015
WSSA STANDARD DRAWINGS
SHEET 33NOT TO SCALE
COFFS HARBOUR CITY COUNCILSTANDARD DRAWING - SEWER WORKS
(ADAPTED FROM C.H.C.C., P.W.D. & W.S.A. DRAWINGS)
NOT APPROVED BY CHCC
SECTION
PROJECTPLANNING
AND DESIGN