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Terrain Underground

Terrain Underground
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Terrain Underground

Product catalog summary
Overview: The document provides detailed information on Terrain Underground PVC drainage systems, highlighting their application in commercial, industrial, housing, and public sector projects. Key features include quality, ease of installation, flexibility, adaptability, and compliance with industry standards.
Specifications: The system includes solid wall pipes and fittings in 82, 110, and 160mm diameters, compliant with BS EN 1401 standards. Foamcore pipes, which are 25% lighter, are available in 110 and 160mm diameters and are BBA certified.
Manufacturing Standards: Products comply with standards such as EN 1401:1998 for underground drainage, EN 7158:2001 for plastic inspection chambers, and EN ISO 9001:2008 for quality management systems.
Product Range: Components include pipes, fittings, gullies, hoppers, inspection chambers, and adaptors, each specified with dimensions, angles, and codes for identification and application.
Sustainable Materials: The use of lead-free PVC materials is emphasized, promoting environmentally friendly manufacturing and fully recyclable products.
System Planning: Guidelines cover handling, on-site storage, and safety, stressing careful handling of PVC-u materials, proper stacking techniques, and adherence to safety regulations.
Installation Procedures: Instructions for seal ring jointing highlight the importance of expansion gaps to accommodate temperature variations.
Additional Information: A product index and references to further information on the manufacturer's website are included.
Specifications and Procedures:
1. Pipe Preparation: Ensure site-cut pipes are square and file ends to a 45° external chamfer. Lubricate rubber seals with 9136 Lubricant.
2. Pipe Installation: Insert the pipe fully into the socket, mark it, and withdraw by 9mm for expansion.
System Planning:
1. Expansion Gap: Maintain a 9mm expansion gap.
2. Pipe Bedding and Backfill: Follow BS EN 5955: Part 6 standards, using 50mm granular bedding or suitable soil.
3. Drains Under Buildings: Compact hardcore before trench excavation and use suitable bedding materials.
4. Shallow Drains: Protect pipes at less than 600mm depth with a paving slab and cushioning layer.
5. Pipes Under Roads: Ensure a minimum cover of 1.2m or use reinforced slabs.
Inspection Chambers and Rodding Points:
1. Rodding Points: Use for drains up to 2m depth.
2. Shallow Inspection Chambers: Suitable for depths up to 600mm.
3. Unequal Inspection Chambers: Suitable for depths up to 1.2m.
Gully and Trap Systems:
1. Bottle Gully: Available with square or round covers for 110mm pipe connections.
2. Gully Traps/Bends: Various configurations available.
System Connections:
1. Connecting to Above Ground Drainage: Use appropriate reducers and adaptors.
Technical Support and Services:
1. Technical Advisory Service: Offers design guidance, CAD drawings, and on-site problem-solving.
2. Special Component Design Service: Provides custom solutions.
Quality Assurance and Standards Compliance:
1. Quality Assurance: Accredited to BS EN ISO 9001:2000.
2. Standards Compliance: Complies with BS EN 1401:1998 and BS 7158:2001.
Certifications:
1. Foamcore Pipe Certification: Covered by BBA certificate 95/3086.
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Catalog excerpts

Terrain Underground-1

PVC underground drainage systems

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Terrain Underground-2

Using the latest plastics manufacturing technology to satisfy the requirements of today's installers, the Terrain underground range offers both rigid and foam core pipe and a comprehensive range of fittings to suit all applications. Terrain underground products represent the benchmark for quality, supported with outstanding service levels. Our comprehensive range of underground drainage products are suitable for commercial, industrial, housing and public sector developments. • Industry leading • Simple to install • Flexible, to accommodate normal ground movement • Adaptable, to connect to existing...

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Terrain Underground-3

Contents Sustainable Materials Plastics are among the most researched materials in the world and rapid technological and manufacturing developments made in recent years have allowed for continuous innovation. Polypipe Terrain pioneered the development of PVC material for the manufacturing of drainage pipes and fittings; we remain at the forefront of the industry across the globe and are proud to be pioneering the industry with the development of our LEAD-FREE system. Utilising a lead-free material composition contributes significantly to an environmentally friendly manufacturing process and gives...

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Terrain Underground-4

Terrain pipes & fittings Size (mm) L E (min) SOLID WALL PIPE SINGLE SOCKET L 160 5.8m 4.1 6EUP58 All dimensions in mm unless otherwise stated

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Terrain Underground-5

Terrain pipes & fittings D Range Size (mm) L Z Code COUPLER DOUBLE SOCKET - with central stop 82 136 3.5 3D20D SLIP COUPLER - for inserting new fittings into existing pipework (e.g. refurbishment or repair) 110 122 4D20DSC LEVEL INVERT TAPER - larger end spigot and smaller end socket 110/82 104 43DT Material: PVC-u

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Terrain Underground-6

SINGLE EQUAL JUNCTION Size (mm) Angle° L Z1 Z2 Z3 Code SINGLE UNEQUAL JUNCTION (all sockets) - to join 110mm branch pipe to 160mm main pipe at an angle ^ 160/110 45 278 27 143 143 64D33D Size (mm) Angle° L Z1 Z2 Z3 Code SINGLE EQUAL JUNCTION SPIGOT OUTLET - to join 110 or 160mm branch to 110 or 160mm main pipe at an angle 110 87/ 239 59 69 69 4D30 All dimensions in mm unless otherwise stated

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Terrain Underground-7

Size (mm) Angle0 L R Z1 Z2 Code REST BEND SINGLE SOCKET - to change 110mm at base of soil stack: 87/° as standard 110 87/ 230 200 245 170 4D21 R Z1 Z2 Code REST BEND DOUBLE SOCKET - to change 110mm at base of soil stack: 87/° as standard Size (mm) Angle° Z1 Z2 Code VARIABLE BEND SINGLE SOCKET - to change 110mm pipe direction by 0-25° 110 0-25 86 45 4DV40 Z dimensions are constant whichever angle is selected. Any non-standard angle can be achieved if used in conjunction with a standard fitting.

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Terrain Underground-8

Terrain pipes & fittings TEMPORARY SITE CAP - for temporary capping of system 110 30 4D65 Versions for external and internal use. All dimensions in mm unless otherwise stated ACCESS CAP - to allow full bore access to 82, 110 or 160mm pipework for inspection or rodding 110 118 103 4D64 RODDING EYE - elliptical rodding eye with 110mm pipe size spigot Hi 110 13 95 4DRE Material: Aluminium. Access aperture size: 118 x 90mm.

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Terrain Underground-9

Terrain gullies & hoppers Size (mm) A B Z1 Z2 Code GULLY TRAP - to obtain 'P' trap, add 45° bend 110 50 190 120 210 4DG90 Material: Polypropylene B Z1 Z2 Code 'P' TRAP - to obtain 'Q' or 'S' trap, add 45° or 87/° bend 110 104 193 92 265 4DG91 Size (mm) L Z Code SQUARE HOPPER HEAD - Spigot outlet may be cut off to reveal socket which can accept solvent-welded pipe as extended spigot 110 203 105 4DG92 Material: PVC-u and Polypropylene. Terracotta body with black grid. Code RECTANGULAR HOPPER HEAD - Back inlet plate incorporates two easily removable discs to create apertures for insertion of 40mm...

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Terrain Underground-10

Terrain gullies & hoppers Size (mm) A B C D E F G Code BOTTLE GULLY WITH SQUARE COVER - removable dip tube provides 50mm deep trap 110 232 76 60 212 154 366 190 4DG89 Material: PVC-u and Polypropylene. Incorporates 2 x waste back inlet connections, can also accept up to 6 different pipes either direct or via adaptors. Terracotta body with black grid. SEALED COVER - to cap 4DG80 Cirular Gully or 4DG81 extension 211 4DG82 CIRCULAR GRATING - to provide an open grating for surface water drainage for 4DG80 Circular Gully or 4DG81 Extension Piece 211 4DG83 Also: spare grating for 4DG97 Bottle Gully....

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Terrain Underground-11

Terrain inspection chambers Size (mm) A L Z Code SHALLOW INSPECTION CHAMBER - to allow inspection of drainage system 110 200 586 261 4DI600 Supplied with 2 plugs for unused entries 200mm socket has angular tolerance of ± 7° allowing up to 14° adjustment to accommodate pipe variation and ground fall. 9163.4 Access Door may be fitted to the lower opening to achieve double seal. Access aperture size: 162 x 100mm. B Code SEALED COVER AND FRAME - to cap 4DI600 Shallow Inspection Chamber 110 211 43 4DIFC1 Ring seal joint to shaft. B Code EQUAL INSPECTION CHAMBER BASE (460mm diameter) - 110mm Chamber...

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Terrain Underground-12

COVER AND FRAME - BS EN 124: 1994 - Group 1, Class A15 (formerly BS497: 1976 Class C+) 579 454 4DIFC4 Material: Polypropylene cover and frame. For domestic drive-ways accessible to vehicles up to one tonne maximum wheel load. TERRAIN ACCESSORIES - CLEANING FLUID - for cleaning PVC-u pipe and fittings before applying Liquid Weld 250 9101.250 Material: Acetone. Screw top cans. TERRAIN ACCESSORIES - LUBRICANT - for lubricating seal rings on expansion fittings 250 Tub (Silicone) 9136.250 Material: Silicone grease or Soluble lubricant. TERRAIN ACCESSORIES - LIQUID WELD - for solvent jointing of PVC-u...

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Terrain Underground-13

UNIVERSAL RAINWATER ADAPTOR - for connecting round and square PVC-u rainwater downpipe (up to 68mm) to underground drainpipe 110 110 102 4D76 UNIVERSAL RAINWATER ADAPTOR - for connecting round and square PVC-u rainwater downpipe (up to 68mm) to underground drainpipe 110 8 40 4DW200 Material: EPDM ADAPTOR TO ABOVE GROUND DRAIN - for connecting 68mm downpipes and 82mm underground drain 82/68 41 54 3DW25 Material: Flex PVC. For round downpipe. ADAPTOR TO ABOVE GROUND DRAIN - for connecting 62mm or 75mm downpipes and 82mm underground drain 110/62 56 54 4DW23 Material: Flex PVC. For square downpipe....

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.