500 15001500

L

C

3

1

SLOPE

1

3

SLOPE

L

C

500500500500300

500

NO

MIN

AL

DEPTH

OVERLAND FLOW SWALE 'C' - TYPICAL SECTION

1:20

TIMBER BOLLARD AS PER KERBING

AND PAVING CONSTRUCTION DETAILS

FULL-HEIGHT KERB AND BLOCK PAVED

ACCESS ROAD AS PER KERBING AND

PAVING CONSTRUCTION DETAILS

SIDE-SLOPES AND BED TO BE

STABILIZED USING PEGGED TURF

IMMEDIATELY UPON COMPLETION

1

1

SLOPE

1

1

SLOPE

L

C

1

1

SLOPE

1

1

SLOPE

900 700700

700

NO

MIN

AL

DEPTH

OVERLAND FLOW SWALE 'A' - TYPICAL SECTION

1:20

SIDE-SLOPES AND BED TO BE

STABILIZED USING PEGGED TURF

IMMEDIATELY UPON COMPLETION

REINFORCED SIDE-SLOPES

AS PER SPECIALIST

SUB-CONTRACTOR DESIGN

500

NO

MIN

AL

DEPTH

SIDE-SLOPES AND BED TO BE

STABILIZED USING PEGGED TURF

IMMEDIATELY UPON COMPLETION

REINFORCED SIDE-SLOPES

AS PER SPECIALIST

SUB-CONTRACTOR DESIGN

REINFORCED SIDE-SLOPES AS PER

SPECIALIST SUB-CONTRACTOR

DESIGN

OVERLAND FLOW SWALE 'B' - TYPICAL SECTION

1:20

MULTIPLE LAYER STRUCTURE

POLYSTORM SHEAR CONNECTOR

(SEE ELEVATION & COMPONENT DETAIL)

INSERTED INTO COLUMN RECESS

POLYSTORM CLIP

1000

500

POLYSTORM UNIT

500

POLYSTORM CONNECTORS - PLAN VIEW

N.T.S

IMPORTANT NOTE:

CONTRACTOR TO BE AWARE OF MAXIMUM LATERAL LOADING AS DETAILED ABOVE AND MANUFACTURER REQUIREMENTS. SUITABLE

MEASURES ARE TO BE IMPLEMENTED TO ENSURE LATERAL LOADING IS NOT EXCEEDED DURING CONSTRUCTION BY CONSTRUCTION

TRAFFIC. SUITABLE EASEMENT TO TANKS TO BE IMPLENTED DURING CONSTRUCTION TO RESTRICT RISK OF OVERLOADING.

TYPICAL INSPECTION TUNNEL ARRANGMENT USING POLYSTORM

'INSPECT' UNITS

N.T.S

U

N

I

T

S

C

O

N

T

I

N

U

E

T

O

S

P

E

C

I

F

I

E

D

T

A

N

K

W

I

D

T

H

U

N

I

T

S

C

O

N

T

I

N

U

E

T

O

S

P

E

C

I

F

I

E

D

T

A

N

K

W

I

D

T

H

U

N

I

T

S

C

O

N

T

I

N

U

E

T

O

S

P

E

C

I

F

I

E

D

T

A

N

K

L

E

N

G

T

H

POLYSTORM 'INSPECT' CELL WITH

300Ø FLANGE CONNECTION

SINGLE LINE OF POLYSTORM

'INSPECT' UNITS TO RUN THE

LENGTH OF EACH TANK

CONNECTING INCOMING &

OUTGOING PIPES TO FORM A

HORIZONTAL INSPECTION

TUNNEL. IN ALL TANKS THE

'INSPECT' UNITS WILL SIT ON

THE LOWER LAYER OF UNITS

(THEREFORE MATCHING THE

INCOMING PIPE INVERT LEVELS)

MIN 100MM THICK GRANULAR MATERIAL TO

FORM PROTECTIVE SURROUND. GRANULAR

MATERIAL EITHER:

COARSE SAND (GRADE 0/4 OR 0/2 FINE

AGGREGATE TO BS EN 13242); OR SELECTED

GRANULAR MATERIAL (CLASS 6H TO SHW

SERIES 600, 100% PASSING 5MM SIEVE)

SCREWED ACCESS CAP

POLYSTORM VENTILATION BOX WITH VENT

COWL WITH 150mm ST1 CONCRETE BED

110mmØ PIPE TO BS EN 1401-1

110mmØ FLANGE ADAPTOR TO

BS EN 1401-1

GEO-SYNTHETIC MEMBRANE TO BE SEALED

TO ADAPTER FLANGE

POLYSTORM GEO-CELLULAR STORAGE CRATES

(PRODUCT CODE: PSM1A)

INDIVIDUAL UNIT SIZE: 1.00 x 0.50 x 0.40m

300Ø INLET/OUTLET PIPE WITH

GRANULAR SURROUND

POLYSTORM 'INSPECT' CELL WITH 300Ø FLANGE

CONNECTION

IMPORTANT: SINGLE LINE OF POLYSTORM 'INSPECT'

UNITS TO RUN THE LENGTH OF THE TANK,

CONNECTING BOTH PIPES TO FORM A HORIZONTAL

INSPECTION TUNNEL

OUTER 'PERMATEX 300' PROTECTIVE GEO-TEXTILE

(POLYSTORM PRODUCT CODE: PV23006)

INNER IMPERMEABLE GEOMEMBRANE

(POLYSTORM PRODUCT CODE: PV13010)

TYPICAL POLYSTORM GEO-CELLULAR TANK ARRANGEMENT

N.T.S

VARIES. REFER TO

D

RAW

IN

GS

171410-400 AN

D 171410-500

TO DOWNSTREAM

MANHOLE

FROM

INSPECTION

MANHOLE

300Ø INSPECTION PIPE WITH

GRANULAR SURROUND

POLYSTORM 'INSPECT' CELL WITH 300Ø

FLANGE CONNECTION

IMPORTANT: SINGLE LINE OF POLYSTORM

'INSPECT' UNITS TO RUN THE LENGTH OF

THE TANK, CONNECTING BOTH PIPES TO

FORM A HORIZONTAL INSPECTION TUNNEL

BACKFILL MATERIAL SHALL BE SELECTED EXCAVATED MATERIAL CONSISTING OF UNIFORM READILY

COMPATIBLE MATERIAL, FREE FROM VEGETABLE MATTER, BUILDING RUBBISH AND FROZEN MATERIAL,

OR MATERIALS SUSCEPTIBLE TO SPONTANEOUS COMBUSTION, AND EXCLUDING CLAY OF LIQUID

LIMIT GREATER THEN 80 AND/OR PLASTIC LIMIT GREATER THAN 55, AND MATERIALS OF EXCESSIVELY

HIGH MOISTURE CONTENT. CLAY LUMPS AND STONES RETAINED ON 75MM AND 37.5MM SIEVES

RESPECTIVELY SHALL BE EXCLUDED FROM THE FILL MATERIAL.

ALL TANK DETAILS SHOWN ARE INDICATIVE. REFER TO MANUFACTURERS DETAILS FOR INLET & OUTLET MANIFOLDS AND VENTING

DETAILS. ALL WORKS TO BE CARRIED OUT IN STRICT ACCORDANCE WITH MANUFACTURERS SPECIFICATION.

(REFER TO GENERAL ARRANGEMENT DRAWINGS FOR TANK LOCATIONS AND INLET/OUTLET ARRANGEMENTS).

D

(

E

X

T

.

)

100-600 150 150

PIPE Ø

MIN. CONCRETE ENCASEMENT

D1 (mm) D2 (mm)

675 150 170

750 150 190

825 150 210

900 150 225

975 150 250

1050 150 270

1200 170 300

1350 180 350

1500 200 375

1650 220 420

(C) (mm)

C

(

I

N

T

.

)

C

(

I

N

T

.

)

D

(

E

X

T

.

)

600

1500

1450

600

1150

1350

1200

700

1050

850

D2 (mm)

600

750

675

150

150

150

100

375

450

525

225

300

150

150

150

150

MIN. GRANULAR BED

D1 (mm)PIPE Ø

(C) (mm)

UNDER VEHICULAR

AREAS

UNDER

NON-VEHICULAR

AREAS

CLASS S PIPE BEDDING & SURROUND

N.T.S

CLASS Z PIPE BEDDING & SURROUND

N.T.S

PIPE BEDDING DETAILS ON NATURAL CLAY SOILS

(NTS)

TO BE USED UNDER:

1. EXTERNAL VEHICULAR AREAS WHERE

COVER TO PIPE SOFFIT IS GREATER THAN

1200mm

2. ALL EXTERNAL NON-VEHICULAR AREAS

WHERE COVER TO PIPE SOFFIT IS GREATER

THAN 900mm

NOTE:

ALL PIPEWORK SHALL HAVE FLEXIBLE COUPLINGS

(UNLESS STATED OTHERWISE)

150

150

150

150

TABLE 2

TABLE 3

TO BE USED UNDER:

1. EXTERNAL VEHICULAR AREAS (EXCEPT

ADOPTABLE HIGHWAYS) WHERE COVER

TO PIPE SOFFIT IS LESS THAN 1200mm

2. ALL EXTERNAL NON-VEHICULAR AREAS

WHERE COVER TO PIPE SOFFIT IS EQUAL TO

OR LESS THAN 600mm

NOTE:

ALL PIPEWORK WITH CLASS Z SURROUND SHALL

HAVE FLEXIBLE COUPLINGS WITH FLEXI-BOARDS

ON ALL JOINTS

PAVEMENT

CONSTRUCTION

CLASS 1 OR CLASS

2 MATERIAL

MAXIMUM

AGGREGATE SIZE

40mm IN THIS ZONE

FORMATION LEVEL

300

GRANULAR MATERIAL

AND SURROUND BED

TOPSOIL OR FOOTPATH

CONSTRUCTION

SELECTED AS DUG

MATERIAL (MAXIMUM

AGGREGATE SIZE

40mm)

D2 (TRENCH WIDTH)

D

C

PAVEMENT

CONSTRUCTION

CLASS 1 OR

CLASS 2

MATERIAL

MAXIMUM

AGGREGATE SIZE

40mm IN THIS

ZONE

300

ST4 CONCRETE

SURROUND & BED

UNDER VEHICULAR

AREAS

UNDER

NON-VEHICULAR

AREAS

TOPSOIL OR

FOOTPATH

CONSTRUCTION

SELECTED AS

DUG MATERIAL

(MAXIMUM

AGGREGATE SIZE

40mm)

D1

(150 M

IN

)

D

D1

(150 M

IN

)

D1

(150 M

IN

)

D

D2

D1 D

C

D1

FORMATION LEVEL

Checked by

Date

Drawing Number

Drawn by

Rev

DrnRev Description Chk Date

File Location: y:\ardent projects\191631 - lillybank farm, battle - working drawings\technical\acad\drawings\191631-1100-1103 main drainage construction details.dwg

Reproduced from/based upon Ordnance Survey material with the permission of the Controller of Her

Majesty's Stationary Office, Crown Copyright Reserved. License No. 100044561

user name: jonathan chinnock

Approved by

Designed by

App

Project Title:

Drawing Title:

Third Floor

The Hallmark Building

52-56 Leadenhall Street

London

EC3M 5JE

Tel: 020 7680 4088

Web: www.ardent-ce.co.uk

E-mail: enquiries@ardent-ce.co.uk

ARDENT

CONSULTING

ENGINEERS

abcdee

Client

MILLWOOD DESIGNER HOMES

LILLYBANK FARM,

BATTLE

MAIN DRAINAGE CONSTRUCTION

DETAILS (SHEET 3 OF 4)

A1 Scale

AS SHOWN 16.10.2020 JEC

JEC MSLJEC

P266-C-1102T1

TENDER ISSUE

NOTES:

1. THIS DRAWING IS TO BE READ IN CONJUNCTION WITH THE RELEVANT

SPECIFICATION AND ALL OTHER RELATED DRAWINGS ISSUED BY THE ENGINEER.

2. DO NOT SCALE FROM THIS DRAWING. WORK FROM FIGURED DIMENSIONS ONLY.

3. ALL DIMENSIONS SHOWN ON THIS DRAWING ARE IN MILLIMETRES UNLESS

OTHERWISE STATED.

4. ALL DIMENSIONS, LEVELS AND SURVEY GRID CO-ORDINATES ARE TO BE CHECKED

ON SITE AND THE ENGINEER NOTIFIED IMMEDIATELY OF ANY DISCREPANCIES PRIOR

TO THE COMMENCEMENT OF THE WORKS.

5. NO DEVIATION FROM THE DETAILS SHOWN ON THIS DRAWING IS PERMITTED

WITHOUT PRIOR PERMISSION FROM THE ENGINEER.

6. PRIOR TO THE COMMENCEMENT OF WORKS, THE CONTRACTOR MUST CHECK THE

INVERT LEVELS OF THE EXISTING SPURS AND MANHOLE CHAMBERS TO WHICH ANY

CONNECTIONS ARE TO BE MADE. ANY DISCREPANCIES SHALL BE REPORTED TO THE

ENGINEER IMMEDIATELY.

7. ALL CONCRETE AND CONCRETE PRODUCTS BELOW GROUND LEVEL SHALL BE CLASS

DS-1 AND AC1 SULPHATE RESISTANT IN ACCORDANCE WITH BRE SPECIAL DIGEST 1.

8. THE SETTING OUT OF THE DRAINAGE WORKS IS TO BE AGREED ON-SITE WITH THE

ENGINEER, PRIOR TO THE COMMENCEMENT OF WORKS.

9. THE CONTRACTOR SHALL TAKE ALL NECESSARY PRECAUTIONS TO PROTECT THE

DRAINAGE WORKS FOR THE DURATION OF THE CONTRACT.

10. THE CONTRACTOR SHALL CONTACT ALL OF THE APPROPRIATE STATUTORY

UNDERTAKERS AND ESTABLISH THE EXACT LOCATION OF ALL SERVICES, PRIOR TO

THE COMMENCEMENT OF THE WORKS, BY HAND DUG TRIAL PITS.

11. ALL PIPE CONNECTIONS SHALL BE MADE SOFFIT TO SOFFIT.

12. STATED COVER LEVELS ARE FOR GUIDANCE ONLY AND SHALL BE SET TO THE FINISH

LEVELS OF THE CARRIAGEWAY/FOOTWAY/VERGE.

13. THE CONTRACTOR SHALL BE RESPONSIBLE FOR POSITIONING GULLIES AT ALL LOW

SPOTS AS NECESSARY.

14. ALL PIPE SIZES STATED ARE NOMINAL INTERNAL DIAMETERS IN MILLIMETERS.

15. ALL SOFT SPOTS AND VOIDS SHALL BE REMOVED PRIOR TO CONSTRUCTION AND

REPLACED WITH SUITABLE FILL MATERIAL AS AGREED WITH THE ENGINEER.

CDM NOTES:

1. THE ATTENTION OF THE CLIENT AND THE PRINCIPAL CONTRACTOR IS DRAWN

TO THE FOLLOWING POTENTIAL RISKS IN CONJUNCTION WITH THE PROPOSED

ON-SITE AND OFF-SITE WORKS AS DESIGNED FOR THIS PROJECT.

2. WORKS IN THE VICINITY OF LIVE SERVICES INCLUDING GAS, ELECTRICITY

AND BT WILL BE NECESSARY AND THE ADVICE OF ALL STATUTORY SERVICE

COMPANIES MUST BE SOUGHT BEFORE ANY WORKS COMMENCE.

3. WORKS WITHIN AND ABUTTING THE EXISTING HIGHWAY WILL ENTAIL

TRAFFIC HAZARDS AND ALL APPROPRIATE SAFETY MEASURES INCLUDING

BARRIERS, SIGNS AND LIGHTING MUST BE UNDERTAKEN TO THE APPROVAL

OF THE LOCAL AUTHORITY, THE HIGHWAY AUTHORITY AND THE POLICE

DEPARTMENT.

4. HAZARDOUS MATERIALS INCLUDING CEMENT AND BITUMINOUS MATERIALS

ARE SPECIFIED AND THE MANUFACTURERS ADVICE ON SAFE HANDLING

PROCEDURES MUST BE OBTAINED AND MADE CLEAR TO ALL OPERATIVES.

5. THE CONTRACTOR WILL BE RESPONSIBLE FOR LOCATING ALL EXISTING

SERVICES WITHIN THE VICINITY OF THE WORKS HAND DUG AND ENSURE

THESE ARE PROTECTED THROUGHOUT THE DURATION OF THE WORKS. ALL

UTILITY PLANT SHOULD BE CLEARLY MARKED ON THE GROUND PRIOR TO

COMMENCEMENT OF THE WORKS.

6. THE CONTRACTOR MUST ENSURE ALL WORKING AREAS ARE FULLY SECURE.