MINIMUM INTERNAL DIMENSIONS1200mm DIAMETER

675x675mm CLEAR OPENINGCOVER COMPLYING WITH BS EN124 AND BS 7903 SEE CLAUSEE2.32

PRECAST CONCRETE MANHOLESECTIONS AND COVER SLAB TO BEBEDDED WITH MORTAR,PLASTOMETRIC OR ELASTOMETRICSEAL CONFORMING TO BS EN 1917AND BS 5911-3 SEE CLAUSE E2.29

MORTAR BEDDING AND HAUNCHING TOCOVER AND FRAME TO CLAUSE E6.7

MINIMUM 2 COURSES OF CLASS BENGINEERING BRICKS AND PRECASTCONCRETE COVER FRAME SEATING RINGS

MINIMUM CLEAR ACCESS 657mm

225mm CONCRETE BASE

IN-SITU CONCRETE TO BE GEN3(DESIGNED TO BRE SPECIAL DIGEST 1CONCRETE IN AGGRESSIVE GROUND)

C35 BENCHING

UPSTAND PIPE OVERFLOW, LENGTH TO SUIT SITEREQUIREMENTS AS DESIGNED BY THE ENGINEER

WAVIN TYPHOON FLOW CONTROL, DESIGNED ANDINSTALLED TO MANUFACTURERS SPECIFICATIONS

INLET PIPE OUTLET PIPE

FLOW CONTROL CHAMBER DETAIL IS TO BECONFIRMED SUITABLE BY THE RELEVANTFLOW CONTROL MANUFACTURER PRIOR TOCONSTRUCTION

WAVIN TYPHOON FLOW CONTROL CHAMBERTYPICAL DETAIL - SECTION

SCALE N.T.S

FLOW CONTROL DEVICE TO BE FITTEDTO CHAMBER WITH CURVED PLATE.

WAVIN TYPHOON FLOW CONTROL CHAMBERTYPICAL DETAIL - PLAN

SCALE N.T.S

225

150mm CONCRETE COVER SLAB

150mm CONCRETE SURROUND

60°

TYPICAL MANHOLE DETAIL TYPE 2(REFER TO FIG. B.12 OF SEWERS FOR ADOPTION 7th ED)

(MAXIMUM DEPTH FROM COVER TO SOFFIT LEVEL OF PIPE - 3.0m)SCALE 1:20

675x675mm CLEAR OPENINGCOVER COMPLYING WITH BS EN124 AND BS 7903 SEE CLAUSEE2.32

MINIMUM CLEARACCESS 600mm

PRECAST CONCRETE MANHOLESECTIONS AND COVER SLAB TO BEBEDDED WITH MORTAR,PLASTOMETRIC OR ELASTOMETRICSEAL CONFORMING TO BS EN 1917AND BS 5911-3 SEE CLAUSE E2.29

150mm CONCRETE SURROUND

CHAMBER HEIGHT (NOT LESSTHAN 900mm)

BENCHING SLOPE TO BE 1:10 TO1:30

THE BOTTOM PRECAST MANHOLERING TO BE BUILT INTO BASECONCRETE MINIMUM 75mm

DISTANCE BETWEEN TOP OF PIPE ANDUNDERSIDE OF PRECAST SECTION TO BEMINIMUM 50mm TO MAXIMUM 300mm

225mm TO UNDERSIDE OF CHANNEL

MORTAR BEDDING AND HAUNCHING TOCOVER AND FRAME TO CLAUSE E6.7MINIMUM 2 COURSES OF CLASS B ENGINEERING

BRICKS AND PRECAST CONCRETE COVERFRAME SEATING RINGS

IN-SITU CONCRETE TO BE GEN3(DESIGNED TO BRE SPECIAL DIGEST 1CONCRETE IN AGGRESSIVE GROUND)

HIGH-STRENGTH CONCRETE TOPPING TOBE BROUGHT UP TO A DENSE, SMOOTHFACE, NEATLY SHAPED AND FINISHED TOALL BRANCH CONNECTIONS(MINIMUM THICKNESS 20mm)

CONSTRUCTION JOINT

SELF CLEANING TOE HOLES TOBE PROVIDED WHERE CHANNELEXCEEDS 600mm WIDE

INVERTS TO BE FORMEDUSING CHANNEL PIPES

JOINT TO BE AS CLOSE AS POSSIBLETO FACE OF MANHOLE TO PERMITSATISFACTORY JOINT ANDSUBSEQUENT MOVEMENT

PIPE JOINT WITH CHANNEL TOBE LOCATED MINIMUM 100mmINSIDE FACE OF MANHOLE

SEE FIGURE B.14 ANDCLAUSE E6.6.2 FORROCKER PIPE DETAILS

MINIMUM WIDTH OF BENCHINGTO BE 225mm

TYPICAL MANHOLEDETAIL TYPE 2 PLAN

SCALE 1:20

MANHOLE COVER TO SUIT BS EN124 LOADING HIGHWAYS - CLASSD400 600mm CLEAR OPENING

CLASS B ENGINEERING BRICKWORKOR PRECAST CONCRETE COVERFRAME SEATING RINGS

DOT TYPE 1 SUB BASE(THICKNESS VARIES)

MINIMUM INTERNAL DIMENSIONS600mm DIAMETER OR 600x600mm

CONCRETE SURROUND

BASE UNIT TO HAVE ALLCONNECTIONS WITH SOFFITLEVELS SET NO LOWER THANTHAT OF THE MAIN PIPE

GRANULAR BEDDING MATERIAL

INVERT OF CONNECTING PIPEAT LEAST 50mm ABOVE THAT OFTHE MAIN PIPE

MORTAR BEDDING AND HAUNCHING TOCOVER AND FRAME TO CLAUSE E6.7

SURFACE COURSEBINDER COURSEBASE COURSE

PRECAST CONCRETE SLAB ORIN-SITU CONCRETE SLAB TOSUPPORT COVER AND FRAME

FLEXIBLE SEAL

TEMPORARILY CAP SHAFTDURING CONSTRUCTION

JOINTS BETWEEN BASE AND SHAFTAND BETWEEN SHAFT COMPONENTSTO BE FITTED WITH WATERTIGHTSEALS

JOINT TO BE AS CLOSE AS POSSIBLE TOFACE OF CHAMBER TO PERMITSATISFACTORY JOINT AND SUBSEQUENTMOVEMENT

TYPICAL INSPECTION CHAMBERDETAIL - TYPE 3

(REFER TO FIG. B.16 OF SEWERS FOR ADOPTION 7th ED)(DEPTH FROM COVER LEVEL TO SOFFIT OF PIPE 3 - 6m)

(FLEXIBLE MATERIAL DETAIL)

MAXIMUM DEPTH FROM COVER LEVEL TO SOFFIT OFPIPE IN AREAS SUBJECT TO VEHICLE LOADING 3m,

NON-ENTRY. PLASTIC CHAMBERS AND RINGS SHALLCOMPLY WITH BS EN 13598-1 AND BS EN 13598-2 OR

HAVE EQUIVALENT INDEPENDENT APPROVAL

COVER COMPLYING WITH BS EN124 AND BS 7903 DRIVEWAYS,FOOTWAYS AND LANDSCAPEDAREAS - CLASS B125 SEECLAUSE E2.32

MINIMUM INTERNAL DIMENSIONS225mm DIAMETER OR 225x100mm

DOT TYPE 1 SUB BASE (THICKNESSVARIES) OR CONCRETE SURROUND

BASE UNIT TO HAVE ALLCONNECTIONS WITH A DIAMETERGREATER THAN 150mm SET ATSOFFITS LEVEL

MORTAR BEDDING ANDHAUNCHING TO COVER ANDFRAME TO CLAUSE E6.7

150mm DEEP CONCRETECOLLARMINIMUM RADIUS TO BE 500mm FOR A100mm DIAMETER PIPE AND 600mm FOR A150mm DIAMETER PIPE TO ALLOW ENTRYOF MAINTENANCE EQUIPMENT

JOINTS BETWEEN BASE ANDSHAFT AND SHAFTCOMPONENTS TO BE FITTEDWITH WATERTIGHT SEALS

GRANULAR BEDDING MATERIAL

TYPICAL INSPECTION CHAMBER DETAIL - TYPE 4AWITHIN PAVED AREAS

(REFER TO FIG. B.21 OF SEWERS FOR ADOPTION 7th ED) - SITED IN DRIVEWAYS/PAVED AREAS(FLEXIBLE MATERIAL DETAIL)

SCALE 1:20

COVER COMPLYING WITH BS EN 124AND BS 7903 LANDSCAPE AREAS-CLASS A15 & GARDEN AREAS

MINIMUM INTERNAL DIMENSIONS225mm DIAMETER OR 225x100mm

DOT TYPE 1 SUB BASE (THICKNESSVARIES) OR CONCRETE SURROUND

BASE UNIT TO HAVE ALLCONNECTIONS WITH A DIAMETERGREATER THAN 150mm SET ATSOFFITS LEVEL

MORTAR BEDDING ANDHAUNCHING TO COVER ANDFRAME TO CLAUSE E6.7

CONCRETE COLLAR

MINIMUM RADIUS TO BE 500mm FORA 100mm DIAMETER PIPE AND 600mmFOR A 150mm DIAMETER PIPE TOALLOW ENTRY OF MAINTENANCEEQUIPMENT

JOINTS BETWEEN BASE ANDSHAFT AND SHAFTCOMPONENTS TO BE FITTEDWITH WATERTIGHT SEALS

GRANULAR BEDDING MATERIAL

TYPICAL INSPECTION CHAMBER DETAIL - TYPE 4BWITHIN LANDSCAPE AREAS

(REFER TO FIG. B.21 OF SEWERS FOR ADOPTION 7th ED) SITED IN DOMESTIC GARDENS(FLEXIBLE MATERIAL DETAIL)

SCALE 1:20MAXIMUM DEPTH FROM COVER LEVEL TO SOFFIT OF

PIPE 2m, NON-ENTRYPLASTIC CHAMBERS AND RINGS SHALL COMPLYWITH BS EN 13598-1 AND BS EN 13598-2 OR HAVE

EQUIVALENT INDEPENDENT APPROVAL

ROCKER PIPE DETAILS

ROCKER PIPELENGTH

PIPEDIA.

0.60m1.00m

1.25m

150 - 600

675 - 750

OVER 750

TRENCH BACKFILL MATERIAL TOSHW CL. 505 UNDER SOFTSCAPEAREA

CLASS 8 MATERIAL TO SHWCL.503.3 (iv)

GRANULAR MATERIAL TOSHW CL.503.3 (i)

COVER MAY BE FORMED TORADIUS BATTER

PAVEMENTCONSTRUCTION

O.D./2

300 50

100

O.D./2

150(mm)

TYPE 1 SUB BASE TO SHW CL803 AS BACKFILL TOFORMATION LEVEL

TOPSOIL

PIPE(O.D.)

150(mm)

BACKFILL TO CLAUSE505 OF DTp.SPECIFICATION.

TOPSOILPAVEMENTCONSTRUCTION

150(mm)

100

150(mm)

150

PIPE(O.D.)

NOTES:1. REFER TO SHW TABLE 5/3 AND SHW TABLE 6/12. BEDDING BENEATH AND AT SIDES OF THE PIPE TO BE WELL COMPACTED INACCORDANCE WITH CL 505.3. CONCRETE CRADLES AND ARCHES MAY BE EXTENDED TO THE SIDES OF THETRENCH.4. GEOTEXTILES MAY BE USED WHERE DIRECTED OR APPROVED BY THEENGINEER TO CONTAIN BEDDING MATERIAL IN CERTAIN SOILS EG. RUNNINGSAND.5. IN VERY WET CONDITIONS, WHERE DIRECTED OR APPROVED BY THEENGINEER A TEMPORARY LAND DRAIN MAY BE LAID WITHIN THE GRANULARBED.

NOTES: (TYPE Z ONLY)6. WHERE PIPES WITH FLEXIBLE JOINTS ARE USED, THE 6. CONCRETEPROTECTION IS TO BE INTERRUPTED OVER ITS FULL CROSS SECTION ATINTERVALS NOT EXCEEDING 5 METRES (OR AS DIRECTED BY THE ENGINEER)BY A SHAPED FORMER OF BITUMEN IMPREGNATED COMPRESSIBLE FILLER.THESE INTERRUPTIONS SHALL COINCIDE WITH PIPE JOINTS. SEE DIMENSIONSFOR PIPE BEDDING TABLE FOR THICKNESS OF COMPRESSIBLE FILLER.7. CONCRETE TO BE GRADE GEN 3. WHERE FLEXIBLE PIPES ARE USED. CAREMUST BE TAKEN8. TO PREVENT THE PIPES FROM FLOATING.

BEDDING DETAILS

TYPE S BEDDINGGRANULAR BED AND SURROUND UNDER ROAD

(BEDDING FACTION = 2.2)SCALE 1:20

TYPE Z BEDDINGCONCRETE BED AND SURROUND

(BEDDING FACTION = 2.6)SCALE 1:20

FORMATIONLEVEL

FORMATIONLEVEL

TYPE 1 SUB BASE TO SHW CL 803 ASBACKFILL TO FORMATION LEVEL

150mm thick Concrete

Surround Grade C20P

Ø500mm OD Polypropylene

Chamber 13mm Thick Walls

and 10mm Thick Base

Min. 300

Inlet

(pipe level varies)

Cover level varies

Ø500mm POLYPIPE CATCHPIT INSPECTION CHAMBER INCORPORATING

FLOW CONTROL AND DEBRIS DEVICE

Scale 1:20

Heavy Duty Ductile Iron Cover and

frame to BSEN124 Grade D400,

with 450x450mm Clear Opening,

Bedded on Class M1 Mortar

200mm thick Concrete

Grade C20P Base

Polypipe Permafilter &

Orifice Flow Control

(where required

on Plan)

Outgoing pipe

invert level

varies

Flexible

joint

Polypipe Permafilter

A A

SECTION A-AScale 1:20

Min 1, Max 4 courses Class B Engineering

Brickwork, Bedded on Class M1 Mortar

PLANScale 1:20

Outlet Inlet

V&C (SW) Properties Ltd. t/a MYTY Homes

IN PARTNERSHIP WITH

COASTAL HOUSING

HOUSING DEVELOPMENT

HEOL PENTRE BACH, GORSEINON,

SWANSEA

DRAINAGE DETAILS SHEET 1

11.08.20 FP

MJ

1

1

.

0

8

.

2

0

MJ

1

1

.

0

8

.

2

0

AS SHOWN

P 7333_501 01

Issue for PAC

11

.0

8.2

0

MJ

MJ

FP

01

scale @ A1

00 mm200 400 600 800 1000

SCALE 1:20

ORIGINAL DRAWING SIZE 841 x 594

10

100

20 NATURAL SCALE

50100mm

Sheet ACAD - A1 rev. C

drawn

status drg. no.

date

Title

rev.

checked approved

Project

ap

prvd

.

re

v.

dra

wn

ch

kd

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da

te

description

Client

29 Bocam Park, Old Field Road, Pencoed, Bridgend CF35 5LJ.

Phone: 01656 863794 Email: enquiries@vale-consultancy.co.uk

NOTES:

1. ALL DIMENSIONS ARE IN MILLIMETRES UNLESS NOTED OTHERWISE.

2. ALL LEVELS ARE SHOWN IN METRES UNLESS NOTED OTHERWISE.

3. DO NOT SCALE FROM THE DRAWING. USE FIGURED DIMENSIONSONLY.

4. ANY DISCREPANCIES TO BE REPORTED IMMEDIATELY TO THEENGINEER.

5. THIS DRAWING TO BE READ IN CONJUNCTION WITH ALL RELEVANTARCHITECTS, ENGINEERS, SUBCONTRACTORS AND SPECIALISTSDRAWINGS AND SPECIFICATIONS.