Developer Services Construction Details

Transcription

1 Developer Services onstruction Details

2 pproved details Developer Services Detail 1 Manhole Type 1 Developer Services Detail 2 Manhole Type 2 Developer Services Detail 3 Manhole Type 4 Developer Services Detail 4 SW Shallow Manhole Developer Services Detail 5 Flow ontrol Manhole Developer Services Detail 7 External ackdrop Detail Developer Services Detail 8 Pipe edding Detail Developer Services Detail 10 Variable Manhole Features Developer Services Detail 11 Headwall Type 1 Detail Developer Services Detail 12 - Headwall Type 2 and 3 Details opyright United Utilities Water Limited

3 MNHOLE ESS. SEE NOTE 8 GROUND LEVEL LDDER OR DOULE STEPS T 250/ ENTRES VERTILLY (v.f."") 350- WHERE OVER IS LOTED IN FIELD 1. LL DIMENSIONS RE IN MILLIMETRES 2. ONRETE ENHING ND PIPE SURROUND PREST ONRETE REDUER SL (v.f."") PREST ONRETE HMER RING. 0 MX SHLL E PLED IN SINGLE ONTINUOUS OPERTION FROM TOP OF SE SL TO TOP OF ENHING ND PIPE SURROUND 3. ONNETION INTO MNHOLES SHLL E ONSTRUTED WITH THE SOFFITS LEVEL UNLESS DETILED DIFFERENTLY ON ONTRT DRWINGS SFETY HIN (v.f."f") OMPRESSILE FILLER X MIN SETION - INOMING ONNETION 500 x INVERT ESS STEP (v.f."g") MINIMUM ONRETE SURROUND TO RREL & SOKET OF UT PIPE ( 2 & 10) INOMING ONNETION DOULE STEPS T ENTRES VERTILLY THK ONRETE SE ( SEE NOTE 10) MX 75 ONRETE LINDING 2000 MIN SETION - MIN/200 MX THIKNESS OF ENHING ONRETE ETWEEN OUTSIDE TOP SURFE OF PIPE ND HMER RING. MINIMUM RDIUS OF EXPOSED RRISES TO E 40. ENHING SURFE WITH STEEL TROWEL FINISH. HNNEL SURFES FIR WORKED. HLF ROUND P... OR V.. INVERT TO FORM HNNEL WHERE PPROPRITE. 4. METLWORK LDDERS, HNDRILING ND SFETY HIN SHLL E S SHOWN ON DEVELOPER SERVIES DETIL 9 (STND/19/009) 5. ONRETE SURROUND TO MNHOLES ONRETE SURROUND IS NOT NORMLLY REQUIRED TO MNHOLES UNLESS INSTLLED IN RES OF UNSTLE GROUND, UNDER ONDITIONS OF FLOTTION OR WHERE SUJETED TO EXEPTIONL OR EENTRI LODS. IN WHIH SES SURROUND OF T LEST 20 N/mm ONRETE SHLL E PROVIDED. NY JOINTS SHOULD E STGGERED WITH PREST ONRETE JOINTS 6. MINIMUM LENGTH OF HNNEL (X Min) HMER DI ''X'' MIN ONRETE SE MINIMUM ENHING WIDTH (v.f."d") INOMING ONNETION NGLE NOT TO EXEED UT ENDS OF REINFORED ONRETE PIPES SHLL E TRETED WITH EPOXY RESIN PINT/MORTR 8. MNHOLE ESSES FOR MNHOLE ESS OPTIONS ND DETILS SEE DEVELOPER SERVIES DETIL 10 (STND/19/010) DOULE STEPS SHLL E PLSTI ENPSULTED RON STEEL TO S EN DOULE STEPS SHLL NOT E USED WHERE OVER-TO-SOFFIT DIMENSION IS >3.0m ROKER PIPE 325 ONRETE SE SETION - MX. LENGTH OF ROKER PIPE (v.f."") 750 MX. DISTNE OF FIRST PIPE JOINT FROM HMER SURROUND 9. OVER ND FRME DEEP OVERS RE TO E USED IN TEGORY 1, 2, 3 RODS. DEEP OVERS RE TO E USED IN TEGORY 4 RODS. DOULE TRINGULR OVERS RE TO E USED IN RRIGEWY. ROD TEGORY TO E DESIGNTED Y THE HIGHWY UTHORITY. FRME TO E SET S PER SPEIFITION 10.ONRETE MNHOLE TYPE 1 - PIPES NOT EXEEDING 525 DIMETER (DEPTH TO ENHING NOT EXEEDING 0) LL IN-SITU ONRETE TO E D - 3 OR FND3 11. VRILE FETURES (V.F.) WHERE V.F. PPERS IN NNOTTION REFER TO VRILE FETURES S SHOWN ON DEVELOPER SERVIES DETIL 10 (STND/19/010) opyright cknowledgement: Use of Ordnance Survey map data sanctioned by the controller of H.M. Stationery Office. OS Licence Number rown copyright reserved. Unauthorised production infringes copyright

4 MNHOLE ESS. SEE NOTE 8. PREST ONRETE OVER SL (V.F.) GROUND LEVEL 350- WHEN OVER IS LOTED IN FIELD ESS LDDER STEP IRON OVE PIPE S HNDHOLD OMPRESSILE FILLER SFETY HIN X MIN 500 x REESS+ ESS STEP SETION - PREST ONRETE HMER RING MINIMUM THIKNESS ONRETE SURROUND TO RREL & SOKET OF UT PIPE ( 2 & 10) INOMING ONNETION HLF ROUND PREST ONRETE INVERT TO FORM HNNEL WHERE PPROPRITE. 0 MX THIK ONRETE SE 2000 MIN 75 ONRETE LINDING MIN SETION - HNDRILING WITH FLT SE FIXINGS ND ESS OPENINGS (v.f."d"&"e") SEE NOTE 4 MIN/200 MX THIKNESS OF ENHING ONRETE ETWEEN OUTSIDE TOP SURFE OF PIPE ND HMER RING 1. LL DIMENSIONS RE IN MILLIMETRES MINIMUM RDIUS OF EXPOSED RRISES TO E 40. ENHING SURFE WITH STEEL TROWEL FINISH. HNNEL SURFES FIR WORKED ONRETE ENHING ( 2 & 10) 2. ONRETE ENHING ND PIPE SURROUND SHLL E PLED IN SINGLE ONTINUOUS OPERTION FROM TOP OF SE SL TO TOP OF ENHING ND PIPE SURROUND 3. ONNETION INTO MNHOLES SHLL E ONSTRUTED WITH THE SOFFITS LEVEL UNLESS DETILED DIFFERENTLY ON ONTRT DRWINGS 4. METLWORK LDDERS, HNDRILING ND SFETY HIN SHLL E S SHOWN ON DEVELOPER SERVIES DETIL 9 (STND/19/009) 5. ONRETE SURROUND TO MNHOLES DROP R DETIL FIXED END DETIL HOOK DETIL SFETY HIN IN NORML POSITION ONRETE SURROUND IS NOT NORMLLY REQUIRED TO MNHOLES UNLESS INSTLLED IN RES OF UNSTLE GROUND, UNDER ONDITIONS OF FLOTTION OR WHERE SUJETED TO EXEPTIONL OR EENTRI LODS. IN WHIH SES SURROUND OF T LEST 20 N/mm ONRETE SHLL E PROVIDED. NY JOINTS SHOULD E STGGERED WITH PREST ONRETE JOINTS 6. MINIMUM LENGTH OF HNNEL (X Min) HMER DI ''X'' MIN 500 x REESS DROP R DETIL STEP IRON OVE PIPE OUTLET TO LLOW SFETY HIN REMOVL. TYPE 2 MNHOLE ONLY OMPRESSILE FILLER THIKNESS "L" REFER TO TLE 3 DWG NO. STND/19/008 SFETY HIN MINIMUM ENHING WIDTH 1 DOULE STEPS T TRS VERTILLY L PLN 325 MIN PREFERRED LDDER ND ESS POSITION STINLESS STEEL HNDRILING ONRETE SE 750 MX. DISTNE OF FIRST PIPE JOINT FROM HMER SURROUND PIPE ONNETION RING NUT FOR PRKING HIN (NORML POSITION) STEP IRON FOR HOLDING WHEN STOOD IN HNNEL TYPE 2 ONLY 1700 MX 200 MX MIN 500 FRONT ELEVTION 260 DOULE STEPS T TRS VERTILLY SEE NOTE MIN FROM TOP OF ENHING SFETY HIN SHOWN IN POSITION WHEN WORKING IN INVERT UT ENDS OF REINFORED ONRETE PIPES SHLL E TRETED WITH EPOXY RESIN PINT/MORTR 8. MNHOLE ESSES FOR MNHOLE ESS OPTIONS ND DETILS SEE DEVELOPER SERVIES DETIL 10 (STND/19/010). DOULE STEPS SHLL E PLSTI ENPSULTED RON STEEL. DOULE STEPS SHLL NOT E USED WHERE OVER-TO-SOFFIT DIMENSION IS >3.0m 9. OVER ND FRME DEEP OVERS RE TO E USED IN TEGORY 1, 2, 3 RODS. DEEP OVERS RE TO E USED IN TEGORY 4 RODS. DOULE TRINGULR OVERS RE TO E USED IN RRIGEWY. ROD TEGORY TO E DESIGNTED Y THE HIGHWY UTHORITY. FRME TO E SET S PER SPEIFITION MNHOLE TYPE 2 PIPES - 0 DIMETER (DEPTH TO ENHING NOT EXEEDING 0) SIDE ELEVTION (LOOKING DOWNSTREM) FOR TYPE 2 MNHOLES FOR TYPE 1 MNHOLES 10.ONRETE LL IN-SITU ONRETE TO E D - 3 OR FND3 11. VRILE FETURES (V.F.) WHERE V.F. PPERS IN NNOTTION REFER TO VRILE FETURES S SHOWN ON DEVELOPER SERVIES DETIL 10 (STND/19/010) opyright cknowledgement: Use of Ordnance Survey map data sanctioned by the controller of H.M. Stationery Office. OS Licence Number rown copyright reserved. Unauthorised production infringes copyright

5 OVER ND FRME TO E LSS D400 TO S EN 124 WITH MIN LER OPENING (SEE TLE) FRME TO E SET S PER SPEIFITION OPENING IN OVER SL (SEE TLE) 1-3 SETIONS OF OVER FRME SETING RINGS EDDED IN LSS M1 MORTR 1. LL DIMENSIONS RE IN MILLIMETRES 2. ONRETE ENHING ND PIPE SURROUND SHLL E PLED IN SINGLE ONTINUOUS OPERTION FROM TOP OF SE SL TO TOP OF ENHING ND PIPE SURROUND 3. ONNETION INTO MNHOLES SHLL E ONSTRUTED WITH THE SOFFITS LEVEL UNLESS DETILED DIFFERENTLY ON ONTRT DRWINGS DOULE STEP 75 MIN TO RREL OF PIPE MIN 200 MX MINIMUM RDIUS OF EXPOSED RRISES TO E 40. ENHING SURFE WITH STEEL TROWEL FINISH. HNNEL SURFES FIR WORKED P SHFT, HMER SETIONS ND OVER SL TO E EDDED WITH LSS M1 MORTR 4. ONRETE SURROUND TO MNHOLES ONRETE SURROUND IS NOT NORMLLY REQUIRED TO MNHOLES UNLESS INSTLLED IN RES OF UNSTLE GROUND, UNDER ONDITIONS OF FLOTTION OR WHERE SUJETED TO EXEPTIONL OR EENTRI LODS. IN WHIH SES SURROUND OF T LEST 20 N/mm ONRETE SHLL E PROVIDED. NY JOINTS SHOULD E STGGERED WITH PREST ONRETE JOINTS 5. DOULE STEPS SHLL E PLSTI ENPSULTED RON TO S EN MNHOLE STEPS 6. MINIMUM LENGTH OF HNNEL (X Min) ONSTRUTION JOINT GEN3 ONRETE INVERTS FORMED GENERLLY USING HNNEL PIPES HMER DI ''X'' MIN NOMINL INT PIPE DI MINIMUM INTERNL HMER DI MINIMUM LER OPENING SIZE 750 x x x x x 675 OVER SL ESS HOLE 750 X 750 ENTRL 750 X 750 ENTRL 1200 X 675 ENTRL 1200 X 675 ENTRL 1200 X 675 ENTRL OVER FRME SETING RING 750 X 750 ENTRL 750 X 750 ENTRL 1200 X 675 ENTRL 1200 X 675 ENTRL 1200 X 675 ENTRL UT ENDS OF REINFORED ONRETE PIPES SHLL E TRETED WITH EPOXY RESIN PINT/MORTR REFER TO TLE 3 DWG NO. STND/19/008 OMPRESSILE FILLER MINIMUM ENHING WIDTH (REFER TO DEVELOPER SERVIES DETIL 10 - STND/19/010) ROKER PIPE LONG L 1200x675 LER OPENING MINIMUM ENHING WIDTH (REFER TO DEVELOPER SERVIES DETIL 10 - STND/19/010) ROKER PIPE LONG 8. OVER ND FRME DEEP OVERS RE TO E USED IN TEGORY 1, 2, 3 RODS. DEEP OVERS RE TO E USED IN TEGORY 4 RODS. DOULE TRINGULR OVERS RE TO E USED IN RRIGEWY. ROD TEGORY TO E DESIGNTED Y THE HIGHWY UTHORITY. FRME TO E SET S PER SPEIFITION 9. ONRETE LL IN-SITU ONRETE TO E D - 3 OR FND3 PIPE JOINT WITH HNNEL TO E LOTED mm MIN INSIDE FE OF HMER PIPE JOINT WITH HNNEL TO E LOTED mm MIN INSIDE FE OF HMER 750x750 LER OPENING ROKER PIPE LONG 1350 MIN DIMETER MNHOLE RING ROKER PIPE LONG 1050 DI MNHOLE RING IRULR PRE-ST ONRETE MNHOLE (MH4) < 1.5m TO SOFFIT (mm TO mm DIMETER PIPE) IRULR PRE-ST ONRETE MNHOLE (MH4) < 1.5m TO SOFFIT (mm TO mm DIMETER PIPE) opyright cknowledgement: Use of Ordnance Survey map data sanctioned by the controller of H.M. Stationery Office. OS Licence Number rown copyright reserved. Unauthorised production infringes copyright

6 MNHOLE ESS SEE NOTE 8 PRE-ST ONRETE OVER SL (V.F.) G.L ONRETE SURROUND TO TOP DESIGN WTER LEVEL STEP IRON OVE PIPE S HNDHOLD MIN PRE-ST ONRETE HMER RING MINIMUM THIKNESS ONRETE SURROUND TO RREL & SOKET OF UT PIPE (NOTE 2) INOMING ONNETION 350- WHERE OVER IS LOTED IN FIELD MIN/200 MX THIKNESS OF ENHING ONRETE ETWEEN OUTSIDE TOP SURFE OF PIPE ND HMER RING. MINIMUM RDIUS OF EXPOSED RISES TO E 40. ENHING SURFE WITH STEEL TROWEL FINISH. HNNEL SURFES FIR WORKED TO SPEIFITION. INOMING ONNETION OMPRESSILE FILLER SETION - SFETY HIN SHOWN IN MINTENNE POSITION WHERE WORKING IN INVERT. FOR DETIL SEE STND/19/009 HLF ROUND PRE-ST ONRETE INVERT TO FORM HNNEL WHERE PPROPRITE MIN ONRETE SE SETION - MIN MX 75 ONRETE LINDING 1. LL DIMENSIONS RE IN MILLIMETRES ONRETE ENHING (SEE NOTE 2) 2. ONRETE ENHING ND PIPE SURROUND SHLL E PLED IN SINGLE ONTINUOUS OPERTION FROM TOP OF SE SL TO TOP OF ENHING ND PIPE SURROUND 3. ONNETION INTO MNHOLES SHLL E ONSTRUTED WITH THE SOFFITS T THE LEVEL UNLESS DETILED DIFFERENTLY ON ONTRT DRWINGS INOMING ONNETION NGLE NOT TO EXEED 45 MIN MIN MINIMUM ENHING WIDTH 4. METLWORK LDDERS, HNDRILING ND SFETY HIN SHLL E S SHOWN ON DEVELOPER SERVIES DETIL 9 (STND/19/009) 5. ONRETE SURROUND TO MNHOLES ONRETE SURROUND IS NOT NORMLLY REQUIRED TO MNHOLES UNLESS INSTLLED IN RES OF UNSTLE GROUND, UNDER ONDITIONS OF FLOTTION OR WHERE SUJETED TO EXEPTIONL OR EENTRI LODS. IN WHIH SES SURROUND OF T LEST 20 N/mm ONRETE SHLL E PROVIDED. NY JOINTS SHOULD E STGGERED WITH PREST ONRETE JOINTS 6. MINIMUM LENGTH OF HNNEL (X MIN) SFETY HIN HMER DI ''X'' MIN X MIN OMPRESSILE FILLER MIN REFER TO TLE 3 DWG NO. STND/19/008 L INOMING ONNETION PLN SHLLOW SURFE WTER MNHOLES RE TO E USED WHERE THE MINIMUM 2.0m HEDROOM NNOT E HIEVED ETWEEN TOP OF ENHING ND UNDERSIDE OF OVER SL NGLE NOT TO EXEED MX. DISTNE OF FIRST PIPE JOINT FROM HMER SURROUND 7. UT ENDS OF REINFORED ONRETE PIPES SHLL E TRETED WITH EPOXY RESIN PINT/MORTR 8. MNHOLE ESSES ND VRILE FETURES (v.f.) REFER TO DEVELOPER SERVIES DETIL 10 (STND/19/010). DOULE STEPS SHLL E PLSTI ENPSULTED RON STEEL TO S EN OVER ND FRME mm DEEP OVERS RE TO E USED IN TEGORY 1, 2, 3 RODS. mm DEEP OVERS RE TO E USED IN TEGORY 4 RODS. DOULE TRINGULR OVERS RE TO E USED IN RRIGEWY. ROD TEGORY TO E DESIGNTED Y THE HIGHWY UTHORITY. FRME TO E SET S PER SPEIFITION 10. ONRETE LL IN-SITU ONRETE TO E D - 3 OR FND3 opyright cknowledgement: Use of Ordnance Survey map data sanctioned by the controller of H.M. Stationery Office. OS Licence Number rown copyright reserved. Unauthorised production infringes copyright

7 Pre-cast concrete chamber rings. bedded as per specification min/200 max thickness of benching concrete between outside top surface of pipe and chamber ring (notes 2 & 11) Rocker Pipe 750 max distance of first pipe joint from chamber surround Incoming connection oncrete benching Flow SETION Sump (refer to manufacturers specification for sump dimensions) I.L See note 13 Incoming connection Surface box min concrete base Pre-cast concrete shaft rings (v.f.) Ladder or double steps at 250/ centres vertically (V.F.) Minimum benching width (v.f.d) Flow ontrol Device's operating steel rope Rocker Pipe ompressible filler min thickness concrete surround to barrel and socket of cut pipe (note 2 & 11) Ladder or double steps at 250/ centres vertically (v.f.) Flow ontrol Device's operating steel rope Flow control device Manhole access See note 8 75 blinding SETION - Surface box Surface box oncrete surround to top design water level Penstock spindle secured to chamber with securing brackets at centres no greater than 3m y-pass penstock. Rising stem with cap for tee key operation 1. ll dimensions are in millimetres 2. ONRETE ENHING ND PIPE SURROUND Shall be placed in single continuous operation from top of base slab to top of benching and pipe surround 3. ONNETION INTO MNHOLES Shall be constructed with the soffits at the level unless detailed differently on contract drawings 4. METLWORK Ladders, handrailing and safety chain shall be as shown on Developer Services Detail 9 (STND/19/009) 5. ONRETE SURROUND TO MNHOLES mm surround of at least 20N/mm² concrete shall be provided to the top design water level. ny joints should be staggered with precast concrete joints 6. MINIMUM LENGTH OF HNNEL (X Min) HMER DI ''X'' MIN UT ENDS OF REINFORED ONRETE PIPES Shall be treated with epoxy resin paint/mortar 8. MNHOLE ESSES ND VRILE FETURES (v.f.) Refer to Developer Services Detail 10 (STND/19/010). Double steps shall be plastic encapsulated carbon steel. Double steps shall not be used where cover-to-soffit dimension is >3.0m 9. INVERT ESS DETILS Refer to Developer Services Detail 2 (STND/19/002) 10.OVER ND FRME mm deep covers are to be used in category 1, 2, 3 roads. mm deep covers are to be used in ategory 4 roads. Double triangular covers are to be used in carriageway. Road category to be designated by the highway authority. Frame to be set as per specification 11. ONRETE ll in-situ concrete to be D-3 or FND Minimum headroom shall be Where 2000 cannot be achieved with benching set at half pipe level then the manhole cover size shall be increased to be in accordance with S EN 752. Refer to Developer Services Detail 4 (STND/19/004) 13. Invert level for overflow to be site specific ' X ' Surface box for bypass door steel rope Surface box for bypass penstock y-pass pipework dia. min PLN opyright cknowledgement: Use of Ordnance Survey map data sanctioned by the controller of H.M. Stationery Office. OS Licence Number rown copyright reserved. Unauthorised production infringes copyright

8 1. WHERE THE TUMLING Y IS MORE THN 1.5m OVE ENHING SPEIL ONSIDERTION FOR MINTENNE SHLL E GIVEN LSS D400 OVER ND FRME TO S EN 124 WITH x LER OPENING (SEE NOTE 7) LSS ENGINEERING RIKWORK, MIN 1 OURSE MX 3 OURSES. 2. SEWER DIMETER (mm) DROPSHFT DIMETER (mm) NGLE NOT TO EXEED 45 GROUND LEVEL THE ONNETION T THE OTTOM OF THE K DROP IS TO E MDE T SOFFIT LEVEL IN MNHOLE TYPE 1 ND T THE SPRINGING LEVEL IN MNHOLE TYPE 2 PIPEWORK ONSTRUTED VERTILLY MNHOLE ONSTRUTION 4. THE VERTIL RODDING EYE MY E REQUIRED IN SITUTIONS WHERE LOKGES RE HIGH RISK, (TYPE ) 5. THE TUMLING Y SHLL E UILT INTO THE MNHOLE HMER ELOW THE REDUING SL 6. LL INSITU ONRETE TO E D-3 OR FND3 DOULE STEPS ONRETE (SEE NOTE 6) SURROUND TO RODDING EYE PIPEWORK 7. mm DEEP OVERS RE TO E USED IN TEGORY 1, 2 ND 3 RODS, mm DEEP OVERS RE TO E USED IN TEGORY 4 RODS PLN SDDLE ONNETION TUMLING Y JUNTION ONRETE LIP TUMLING Y JUNTION ONRETE LIP D D 4 D D 4 ONRETE SURROUND TO DROPSHFT (SEE NOTE 6) ONRETE SURROUND TO DROPSHFT (SEE NOTE 6). MKE UP PIEE TO E USED S NEESSRY 90 END 90 END MKE UP PIEE TO E USED S NEESSRY MKE UP PIEE TO E USED S NEESSRY ONRETE (SEE NOTE 6) TYPE SETION - (PRT) STNDRD DROPSHFT MIN GRDE D-3 ONRETE (SEE NOTE 6) ONRETE (SEE NOTE 6) MIN GRDE D-3 ONRETE (SEE NOTE 6) TYPE SETION - (PRT) WHERE DDITIONL RODDING EYE IS NEESSRY (SEE NOTE 4) opyright cknowledgement: Use of Ordnance Survey map data sanctioned by the controller of H.M. Stationery Office. OS Licence Number rown copyright reserved. Unauthorised production infringes copyright

9 c d TYPE 7 EMEDMENT LSS S Y (See Table 2) Processed granular material NOMINL INT PIPE DI DIMENSION Y1 EVEN TRENH OTTOM (MIN) TLE 2 Embedment Dimensions for Rigid Pipes DIMENSION Y2 ROK OR UNEVEN TRENH OTTOM (MIN) PROESSED GRNULR MTERIL 10mm single sized or 14mm to 5mm graded 14mm single sized or 14mm to 5mm graded DIMENSION Z (MIN) MX PERMITTED TRENH WIDTH ll dimensions in millimetres 2. The pipe embedments indicate the minimum trench dimensions which should be assumed for initial design purposes; the minimum trench widths shown will usually be sufficient to allow adequate compaction of the embedment material ll pipework should be designed in accordance with S EN For narrow trenching techniques the minimum trench width may be reduced, providing that the design indicates that the reduced embedment width is sufficient to support the pipework 4. Where selected excavated material may migrate into the native soil or vice versa, geotextile membrane shall be provided around the embedment material 5. edding factors are derived from " guide to design loadings for buried rigid pipes" and IGN "Revised bedding factor for Vitrified lay drains and sewers" EDDING FTOR (See note 5) or Narrow Trench Wide Trench Enbankment mm single sized or 20mm to 5mm graded 40mm single sized or 40mm to 5mm graded Embedment dimensions shall be in accordance with Table 2 PROESSED GRNULR MTERIL: 7. Processed granular material shall comply with WIS The grading of processed granular material shall be as specified 8. Limestone material shall not be used where the native ground or ground water is acidic, ie ph of 6 or less ONRETE EMEDMENTS & SURROUND: 9. Gen 3 concrete shall be used in non aggressive ground. Elsewhere the cement type and mix design should be selected to suit the sulphate content and ph of the ground and groundwater 10. oncrete surround details shall be adopted where cover to pipework is less than 1.2M and where it is necessary to protect the pipework from traffic loading Note: c = Outside Diameter of pipe d = Effective trench width measured mm above crown of pipe 11. Pipes to be bedded/surrounded with concrete shall be supported on precast concrete setting blocks, the top face of of each block being covered with two layers of compressible packing 12. PV and PE pipes shall be wrapped with a layer of plastic sheeting complying with UU ESWI 6 class 2.95 oncrete (See Note 9) 13. GRP pipes shall be wrapped with compressible filler material mm wide at the end of the end of the concrete surround 14. ompressible filler shall comply with UU ESWI 6 class 2.19 oncrete Sorround (See Table 3) ompressible Filler L (See Table 2) X c Z <400 Nominal Internal Pipe Dia TLE 3 Thickness of ompressible Fill (L) Dim. X mm ompressible Filler L mm FLEXILE JOINT DETIL FOR ONRETE ED ND ONRETE SURROUND SPIGOT ND SOKET PIPES ONRETE SURROUND (LSS Z) > opyright cknowledgement: Use of Ordnance Survey map data sanctioned by the controller of H.M. Stationery Office. OS Licence Number rown copyright reserved. Unauthorised production infringes copyright

10 LSS D400 OVER ND FRME TO S EN 124 WITH x LER OPENING 675 MX TO FIRST STEP MX PREST ONRETE OVER FRME SETING RING (MIN 1, MX 3) PREST ONRETE OVER SL LSS D400 OVER ND FRME TO S EN 124 WITH x LER OPENING 675 MX TO FIRST LDDER RUNG MIN PREST ONRETE OVER FRME SETING RING (MIN 1, MX 3) PREST ONRETE OVER SL WITH x SQURE LER OPENING 1. LL DIMENSIONS RE IN MILLIMETRES 2. METLWORK LDDERS, HNDRILING ND SFETY HIN SHLL E S SHOWN ON DEVELOPER SERVIES DETIL 9 (STND/19/009) DOULE STEPS T 250/ TRS VERTILLY DOULE STEPS ESS PREST ONRETE HMER RING LDDER ESS 1200 DI PREST ONRETE HMER RING (WHERE NEESSRY) 3. DOULE STEPS SHLL E PLSTI ENPSULTED RON STEEL TO S EN OVER ND FRME mm DEEP OVERS RE TO E USED IN TEGORY 1, 2, 3 RODS. mm DEEP OVERS RE TO E USED IN TEGORY 4 RODS. DOULE TRINGULR OVERS RE TO E USED IN RRIGEWY. ROD TEGORY TO E DESIGNTED Y THE HIGHWY UTHORITY. FRME TO E SET S PER SPEIFITION. PLN - MNHOLE ESS DETILS PLN - 5. ONRETE LL IN-SITU ONRETE TO E D-3 OR FND 3 6. REFER TO v.f."" ROKER PIPE EFFETIVE LENGTH SHLL E 1250, ROKER PIPES TO E USED UNTIL THE PIPE OUTSIDE DIMETER EXEEDS THE EFFETIVE LENGTH OF THE ROKER PIPE VRILE FETURES (V.F.) MNHOLE SHFT ND LDDER / DOULE STEP ESS FOR 1200, 1350 ND 0 MNHOLE HMERS (OR WHERE THE DEPTH TO SOFFIT IS < 3M) FULL HEIGHT (NO ESS SHFT) ONSTRUTION IS TO E USED. FOR DEPTHS TO ENHING FROM OVER LEVEL <3.0m DOULE STEP ESS SHLL E USED. FOR MNHOLES DEEPER THN 3.0m TO ENHING LDDER IS REQUIRED. FOR DOULE STEP ESS MINIMUM INTERNL MNHOLE ESS SHFT DIMETER SHLL E FOR LDDER ESS MINIMUM INTERNL SHFT DIMETER SHLL E MNHOLE OVER DEPTH TO SOFFIT FROM OVER LEVEL <1.5M DEPTH TO SOFFIT FROM OVER LEVEL 1.5M MINIMUM LER OPENING SIZES 750 x 750 ON 1050 ND 1200 HMER / SHFT 1200 x 675 ON 1350 ND OVE HMERS / SHFTS ENETH LL MN-ESS OVERS GRETER THN x RETRTLE SFETY HNDHOLD SHLL E PROVIDED. IT SHLL EXTEND 1200 OVE GROUND LEVEL MINIMUM LER OPENING SIZES x FOR DOULE STEP ESS x FOR LDDER ESS 750 x FOR FETURE LDDER ESS OVER SL HMER DI TO ND OVE HOLE SIZE IN OVER SL 750 x 750.O. 750 x 750 E.O x 675.O x 675 E.O. OVER FRME SETING RING ON OVER SL DOULE STEP ESS 750 x 750.O. 750 x 750 E.O x 675.O x 675 E.O. HOLE SIZE IN OVER SL x E.O. 750 x E.O. 750 x E.O. 750 x E.O. OVER FRME SETING RING ON OVER SL DOULE STEP ESS TYPE 1 - x E.O. TYPE 1 - x E.O. TYPE 1 - x E.O. TYPE 1 - x E.O. LDDER ESS NOT PPLILE TYPE 1 - x E.O. TYPE 1 - x E.O. TYPE 1 - x E.O. REDUING SL HMER DI 1200 TO ND OVE NOTE : FOR LDDER ESS THE EENTRI SETING RING IS TURNED THROUGH 180 DEGREES.O. = ENTRL OPENING E.O. = EENTRI OPENING HOLE DIMETER IN REDUING SL REDUING SL NOT USED 1050 FOR DOULE STEP ESS OR 1200 FOR LDDER ESS FETURE RELTED TO PIPE DIMETER DIMETER OF LRGER PIPES ND OVE ROKER PIPES ROKER PIPE EFFETIVE LENGTH : ROKER PIPE EFFETIVE LENGTH : 0 SEE NOTE 6 D ENHING WIDTH MINIMUM MINIMUM 750 MINIMUM 1 E ENHING RILINGS NOT REQUIRED REQUIRED F SEWER SFETY HINS NOT REQUIRED REQUIRED G INVERT ESS STEP NOT REQUIRED REQUIRED WITH DOULE STEPS H HNNEL FITTINGS VITRIFIED LY NOT REQUIRED (HNNELS FORMED USING GRNOLITHI ONRETE) opyright cknowledgement: Use of Ordnance Survey map data sanctioned by the controller of H.M. Stationery Office. OS Licence Number rown copyright reserved. Unauthorised production infringes copyright

11 Edge rubble laid 75 above paving level Wall slope to match existing bank profile Outlet Grille (as required) Fall 1 in 40 min concrete surround cast integrally with headwall 60 x 10 horizontal flat welded to bars Gate construction from 60 x 10 M.S.flat with 20 dia bars at 120 centres (max.) Full strength mitre butt weld with weld ground flat 170 x locking bar plate (see detail below) Receiving Water ourse Top water level to thk uncoursed random rubble paving on thk Grade 30 concrete and pointed in lass M1 mortar Reinforced concrete (Note 8) FND2 concrete 75 thick blinding concrete.(note 8) Optional 20 horizontal bar welded across each vertical bar for larger grilles 190 x 50 mild steel hinge plates 20 thick 15 x 10 flat welded to 25 dia. tube SETION - FRONT ELEVTION SETION - Direction of flow of receiving watercourse Max. length of cut pipe 1250 Rocker pipe mm FND2 concrete surround 1. ll dimensions in millimetres 2. ll grilles and fittings are to be manufactured with mild steel 'hot dip' galvanised to S 729 and treated with 2 no coates of bituminous paint 3. The sizes detailed on the grille indicate the preferred member size in normal locations. onsideration should be given to up-sizing members where the grille is in exposed locations or is of particularly large size PLN 1. ll dimensions in millimetres 2. Generally the angle between the direction of flow of the receiving watercourse and the outfall pipe should be 45 PLN 3. ll reinforced concrete edges to be finished with a 25 x 25 fillet 4. Min cover to reinforcement in the top face of the base slab to be 40 Expanding anchor type fixing bolts 5. The bed and opposite bank of the watercourse may,in certain circumstances need to be protected by to thick uncoursed rubble pitching laid on a thick bed of FND2 concrete (Note 8)and pointed in lass M1 Mortar. The stone for pitching shall consist of large smooth faced stones roughly dressed square and shall be of a hard durable and inert material. unter sandstone, Keuper waterstones and arboniferous shales and mudstones are not to be used HINGE DETIL 20 dia. m.s. lug 75 long to receive 25 dia. tube 5 thick welded to grille. ottom hinge as shown Top hinge inverted to prevent lifting of gate Edge rubble laid 75 above paving level 6. n Outlet Grille as shown on Typical Detail G must be provided on all outfalls where the pipe size exceeds mm. Where pipe diameters are to, 20 dia. stainless steel bars are to be provided across outlet at max. 120mm c/c leaving mm max. clear opening x 10 locking bar long secured with h.d. padlock ELEVTION 7. Where outlets have a flap valve, a special detailed grille must be provided on all outlets mm diameter and above 8. Secure handrailing shall be supplied where a person may fall 2 metres or more or where a fall of less than 2 metres carries an increased risk of injury due to the landing surface Locking bar housing welded to outer grille members 20 LOKING R DETIL Locking bar handle Expanding anchor type fixing bolts TYPIL DETIL D TYPIL OUTFLL DETIL TYPE 1 9. FND2 to be used for soil conditions Sulphate class 1 only. Designated mix references FND3, FND4 & FND4 to be used in soil conditions with sulphate classes 3,4 and 4 respectively (refer to specification clause 4.3.1) DETIL G TYPIL OUTLET GRILLE opyright cknowledgement: Use of Ordnance Survey map data sanctioned by the controller of H.M. Stationery Office. OS Licence Number rown copyright reserved. Unauthorised production infringes copyright

12 Wall slope to match existing bank profile Top water level FND2 concrete 75 thick blinding concrete (Note 8) Direction of flow of receiving watercourse Outlet Grille (as required) Fall 1 in 40 SETION - PLN min concrete surround cast integrally with headwall Reinforced concrete (Note 8) Max. length of cut pipe 1250 Rocker pipe ELEVTION mm FND2 concrete surround Pile grade to be specified Local conditions may dictate the use of sheet piles driven to a suitable designed depth below bed level of the watercourse. lternatively a concrete toe beam together with stone pitching to the bank of the watercourse as shown on Typical detail D must be used. TYPIL DETIL E TYPIL OUTFLL DETIL TYPE 2 1. ll dimensions in millimetres 2. Generally the angle between the direction of flow of the receiving watercourse and the outfall pipe should be ll reinforced concrete edges to be finished with a 25 x 25 fillet 4. Min cover to reinforcement in the top face of the base slab to be The bed and opposite bank of the watercourse may,in certain circumstances need to be protected by to thick uncoursed rubble pitching laid on a thick bed of FND2 concrete (Note 8)and pointed in lass M1 Mortar. The stone for pitching shall consist of large smooth faced stones roughly dressed square and shall be of a hard durable and inert material. unter sandstone, Keuper waterstones and arboniferous shales and mudstones are not to be used 6. n Outlet Grille as shown on Typical Detail G must be provided on all outfalls where the pipe size exceeds mm. Where pipe diameters are to, 20 dia. stainless steel bars are to be provided across outlet at max. 120mm c/c leaving mm max. clear opening 7. Where outlets have a flap valve, a special detailed grille must be provided on all outlets mm diameter and above 8. Secure handrailing shall be supplied where a person may fall 2 metres or more or where a fall of less than 2 metres carries an increased risk of injury due to the landing surface 9. FND2 to be used for soil conditions Sulphate class 1 only. Designated mix references FND3, FND4 & FND4 to be used in soil conditions with sulphate classes 3,4 and 4 respectively (refer to specification clause 4.3.1) to thick uncoursed random rubble pitching on thick Grade FND2 (Note 4) concrete and pointed in lass M1 mortar ll dimensions in millimetres WL SETIONL ELEVTION - min concrete surround cast integrally with headwall Minimum depth of concrete below "hard" bed level SETION - 1. The bed and opposite bank of the watercourse may in certain circumstances, need to be protected by to thick uncoursed rubble pitching laid on thick bed of FND2 concrete (Note 4) and bed of FND2 concrete (Note 4) and pointed in lass M1 mortar. The stone for pitching shall consist of large smooth faced stones roughly dressed square and shall be of a hard durable and inert material. unter sandstones, Keuper waterstones and carboniferous shales and mudstones are not to be used 2. Maximum diameter mm 3. FND2 to be used for soil conditions sulphate class 1 only. Designated mix references FND3, FND4 & FND4 to be used in soil conditions with sulphate classes 3,4 and 4 respectively (refer to specification clause 4.3.1) TYPIL DETIL F TYPIL OUTFLL DETIL TYPE 3 (MXIMUM PIPE SIZE mm) PLN opyright cknowledgement: Use of Ordnance Survey map data sanctioned by the controller of H.M. Stationery Office. OS Licence Number rown copyright reserved. Unauthorised production infringes copyright