PVC Underground Drainage Systems - Polypipe
TUGTM7January 2019Terrain UndergroundPVC underground drainage systems
Terrain UndergroundUsing the latest plastics manufacturing technology tosatisfy the requirements of today’s installers, the Terrainunderground range offers both rigid and foam corepipe and a comprehensive range of fittings to suit allapplications. Terrain underground products represent thebenchmark for quality, supported with outstanding servicelevels. Our comprehensive range of underground drainageproducts are suitable for commercial, industrial, housingand public sector developments. Industry leadingSimple to installFlexible, to accommodate normal ground movementAdaptable, to connect to existing drainage systemsSupported through extensive technical experienceon all aspects of design and installation Fully accredited product systemSolid wall pipes and fittingsAvailable in 82, 110 and 160mm diameters.110 and 160mm comply with BS EN 1401 (BS 4660).Foamcore pipeManufactured using the latest tri-extrusion techniques to producea three layer pipe that is 25% lighter than standard PVC-u pipe.Available in 110 and 160mm diameters. Carries BBA certificate 95/3086.As you would expect from a market leader our productscome with all relevant standards including:Manufacturing StandardsEN 1401:1998 Underground DrainageEN 7158:2001 Plastic Inspection Chambers for Drains and SewersQuality Management Systems StandardsEN ISO 9001:2008 Management SystemEN ISO14001:2004 Management SystemBS OHSAS 18001:2007 Management SystemPASS 99:2006 Integrated Management RegistrationLarger pipework and fittings for 315mmdiameter are available on request2
ContentsSustainable MaterialsPlastics are among the most researchedmaterials in the world and rapidtechnological and manufacturingdevelopments made in recent years haveallowed for continuous innovation.Terrain UndergroundTerrain Pipes & Fittings04 - 09Terrain Gullies & Hoppers10 - 11Polypipe Terrain pioneered thedevelopment of PVC material for themanufacturing of drainage pipes andfittings; we remain at the forefront of theindustry across the globe and are proud tobe pioneering the industry with thedevelopment of our LEAD-FREE system.Utilising a lead-free material compositioncontributes significantly to anenvironmentally friendly manufacturingprocess and gives a finished product thatis fully recyclable in accordance withTerrain Inspection Chambers12Accessories12Terrain Adaptors13Flexicon Couplings & End Caps14 - 15System Planning16 - 24Further InformationUK Basic Design Principles26 - 27Sustainable Products andManufacturing Process28 - 29Product Index30 - 31British Standards.For further information, please refer towww.polypipe.com253
Terrain pipes & fittingsSize (mm)LE (min)CodeSOLID WALL PIPE PLAIN .253DP581105.8m3.24DP581605.8m4.16DP58E (min)CodeSize (mm)ELELLSOLID WALL PIPE SINGLE SOCKET1103m3.24DP3S1106m3.24DP6S1606m4.16DP6SSize (mm)LE (min)CodeFOAMCORE PIPE PLAIN Size (mm)LE (min)CodeFOAMCORE PIPE SINGLE SOCKETEL4All dimensions in mm unless otherwise 06m4.16EUP6S
Terrain Drainage SystemTerrain pipes & fittings D RangeSize (mm)LZCodeCOUPLER DOUBLE SOCKET - with central stop821363.53D20D11012224D20D16015446D20DSize (mm)LZLCodeSLIP COUPLER - for inserting new fittings into existing pipework (e.g. refurbishment or repair)1101224D20DSC1601546D20DSCLSize (mm)L1L2ZCode1101214834D691601676836D69PIPE END SOCKETSize (mm)ZL1 ZL2CodeLEVEL INVERT TAPER - larger end spigot and smaller end socket10443DT14364DTZ110/82160/110Material: PVC-uSize (mm)Angle LZCodeSHORT RADIUS BEND DOUBLE SOCKET - to change pipe direction: 87½ , 45 , 30 & 15 as �2021246D23D16045122496D25DSize (mm)Angle L1L2Z1Z2LZCodeSHORT RADIUS BEND SINGLE SOCKET - to change pipe direction: 87½ , 45 , 30 & 15 as 637506D251603010711225406D275
Pipes & FittingsTerrain pipes & fittings D RangeSize (mm)Z3Z2LAngle LZ1Z2Z3CodeSINGLE EQUAL 9522032036D33DSize (mm)Angle LZ1Z2Z3CodeSINGLE UNEQUAL JUNCTION (all sockets) - to join 110mm branch pipe to 160mmLZ2main pipe at an angle160/110452782714314364D33DZ2Z3CodeZ1Z3Z3Size (mm)Angle LZ1SINGLE EQUAL JUNCTION SPIGOT OUTLET - to join 110 or 160mm branch toZ2L6All dimensions in mm unless otherwise statedZ1110 or 160mm main pipe at an angle11087½2395969(110mm) 87½ and 45 as standard. (160mm) 45 as standard.694D30
Terrain Drainage SystemSize (mm)Angle LRZ1Z2CodeLREST BEND SINGLE SOCKET - to change 110mm at base of soil stack: 87½ as standard11087½230200245170RZ24D21Satisfies recommendations of BS 5772: 1994.Z1Size (mm)Angle LRZ1Z2CodeREST BEND DOUBLE SOCKET - to change 110mm at base of soil stack: 87½ as standard11087½205200245170LRZ24D21DSatisfies recommendations of BS 5772: 1994.Z1Z2Size (mm)Angle Z1Z2CodeVARIABLE BEND SINGLE SOCKET - to change 110mm pipe direction by 0-25 1100-258645Z dimensions are constant whichever angle is selected.Any non-standard angle can be achieved if used in conjunction with a standard fitting.4DV40Z17
Pipes & FittingsTerrain pipes & fittingsSize (mm)AACodeSOCKET PLUG - to blank off any ring seal socket plus allowing a boss connection110184D68160164D68Size (mm)ACodeTEMPORARY SITE CAP - for temporary capping of system1104D6530Versions for external and internal use.AAZ2Size (mm)Z1AZ1Z2CodeACCESS CAP - Solvent Socket1109721464D6316012222426D63Size (mm)ABCodeACCESS CAP - to allow full bore access to 82, 110 or 160mm pipework for inspectionAor rodding1101181034D641601861076D64Size (mm)AZCodeBARODDING EYE - elliptical rodding eye with 110mm pipe size spigotCERTIFICATE NoZ8All dimensions in mm unless otherwise terial: Aluminium.13Access aperture size: 118 x 90mm.954DRE
Terrain Drainage SystemTerrain gullies & hoppersSize (mm)ABZ1Z2Code1202104DG90Z2GULLY TRAP - to obtain ‘P’ trap, add 45 bend11050190BMaterial: PolypropyleneSize (mm)ABZ1Z2CodeA‘P’ TRAP - to obtain ‘Q’ or ‘S’ trap, add 45 or 87½ bend110104193Z192265B4DG91Z1Z2Size (mm)LZCodeSQUARE HOPPER HEAD - Spigot outlet may be cut off to reveal socket which can acceptLsolvent-welded pipe as extended spigot110203Z4DG92105Material: PVC-u and Polypropylene. Terracotta body with black grid.ASize (mm)ALZCodeRECTANGULAR HOPPER HEAD - Back inlet plate incorporates two easily removable discsLto create apertures for insertion of 40mm waste pipes11085203Z4DG93105Material: PVC-u and Polypropylene. Terracotta body with black grid.Size (mm)ABLZCIRCULAR GULLY - Incorporates plugged horizontal pipe entries: 2 x 110mm spigots,1 x 110mm ring seal socket and 1 x 68mm rainwater pipe socket11010419392265BCodeAL4DG80ZMaterial: PVC-u. Spigot outlet may be cut off to reveal socket which can accept solvent-welded pipe asextended spigot.AALCodeEXTENSION PIECE - to extend upper aperture of 4DG80 Circular Gully to surface level orto lower horizontal pipe entries beneath surface level2134DG81150Requires mastic sealant for forming airtight/watertight seal.Size (mm)ADELAFGDCodeFBOTTLE GULLY WITH ROUND COVER - removable dip tube provides 50mm deep trap110213150154304190Material: PVC-u and Polypropylene. Incorporates 110mm back inlet connection.Terracotta body with black cover.E4DG97G9
Gullies & HoppersTerrain gullies & hoppersSize (mm)AABCDEFGCodeBOTTLE GULLY WITH SQUARE COVER - removable dip tube provides 50mm deep trapB110C23276602121543661904DG89Material: 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.DFEGACodeSEALED COVER - to cap 4DG80 Cirular Gully or 4DG81 extension2114DG82ACodeACIRCULAR GRATING - to provide an open grating for surface water drainage for 4DG80Circular Gully or 4DG81 Extension Piece4DG83211Also: spare grating for 4DG97 Bottle Gully.AASize (mm)ALCodeRAISING PIECE - to extend upper aperture of 4DG97 Bottle Gully to surface level or to lowerhorizontal pipe entries beneath surface levelL2002134704DG96Material: PVC-u and Polypropylene. Terracotta body with black grid.Depth (mm)Width (mm)Height (mm)CodeSQUARE HOPPER COVER - spare grid for 4DG92 Hopper Head131551554DG92GMaterial: Polypropylene.Width (mm)Height (mm)CodeSQUARE SEALED COVER - converts 4DG92 Square Hopper Head from open gridto sealed cover155Material: Polypropylene.10All dimensions in mm unless otherwise stated1554DG92GS
Terrain Drainage SystemTerrain inspection chambersSize (mm)ALZACodeSHALLOW INSPECTION CHAMBER - to allow inspection of drainage system1102005862614DI600Supplied with 2 plugs for unused entries 200mm socket has angular tolerance of 7 allowing up to14 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.LZSize (mm)ABACodeSEALED COVER AND FRAME - to cap 4DI600 Shallow Inspection Chamber110211434DIFC1ABCodeBBRing seal joint to shaft.Size (mm)BEQUAL INSPECTION CHAMBER BASE (460mm diameter) - 110mm Chamber Basewith 4 x 110mm side branch inlets – 2 at 45 and 2 at 90 1104602204DI240BMaterial: Polyethylene. Supplied with 3 x blanking plugs.ACSize (mm)ABCodeUNEQUAL INSPECTION CHAMBER BASE (475mm diameter) - 160mm Chamberbase with 4 side branch inlets – 2 x 110mm at 45 and 2 x 160mm at 90 160/110460610A64DI240BMaterial: Polyethylene. Supplied with 4 x blanking plugs.ABABCodeSIDE RISER - Side riser to be used with 4DI240B and 64DI240B chamber bases.Should be used with riser sealing ring 4DI215S4602154DI215RMaterial: Polypropylene.DiameterCodeRISER SEALING RING - Riser sealing sing (for dry fix to 4DI215R)4704DI215SPlease Note: Purchased as individual items according to final installation depth requirements.11
Terrain AdaptorsInspection ChambersTerrain inspection chambersABCodeCOVER AND FRAME - BS EN 124: 1994 - Group 1, Class A15 (formerly BS497: 1976 Class C )B5794544DIFC4Material: Polypropylene cover and frame. For domestic drive-ways accessible to vehicles up to onetonne maximum wheel load.ATerrain accessoriesSize (ml)CodeTERRAIN ACCESSORIES - CLEANING FLUID - for cleaning PVC-u pipe and fittingsbefore applying Liquid WeldD9101.250250DAMaterial: Acetone. Screw top cans.CCZZLLSize (ml)CodeTERRAIN ACCESSORIES - LUBRICANT - for lubricating seal rings on expansion fittingsBAA250Tub (Silicone)9136.250500Tub (Soluble)9136.500Material: Silicone grease or Soluble lubricant.Z1Z1Z2Z2Size (ml)CodeTERRAIN ACCESSORIES - LIQUID WELD - for solvent jointing of PVC-u pipes andfittings cap, incorporates integral brush12All dimensions in mm unless otherwise stated250Tub9100.250500Tub9100.500
Terrain Drainage SystemTerrain adaptorsSize (mm)ABCodeUNIVERSAL RAINWATER ADAPTOR - for connecting round and square PVC-urainwater downpipe (up to 68mm) to underground drainpipe1101101024D76BAASize (mm)ALCodeUNIVERSAL RAINWATER ADAPTOR - for connecting round and square PVC-urainwater downpipe (up to 68mm) to underground drainpipe1108404DW200Material: EPDMLASize (mm)ALCodeADAPTOR TO ABOVE GROUND DRAIN - for connecting 68mm downpipes and 82mmunderground aterial: Flex PVC. For round downpipe.ASize (mm)ALCodeADAPTOR TO ABOVE GROUND DRAIN - for connecting 62mm or 75mm downpipesand 82mm underground drain110/6256544DW23110/7537584DW33Material: Flex PVC. For square downpipe.L13
Flexicon CouplingsFlexicon& EndAdaptorsCapsFlexicon adaptorsRange AB mmLength (min)CodeDriverFLEXICON UNIVERSAL ADAPTORS (XAC)120 - 135/100 - 115100XAC400T7mm/8mmRange AB mmLength (min)CodeDriverFLEXICON DRAINAGE ADAPTORS (XAC)100 - 115/75 - 85100XAC85/115T7mm/7mm100 - 115/85 - 95100XAC95/115T7mm/7mm130 - 145/110 - 125120XAC125/145T7mm/7mm145 - 160/110 - 125120XAC125/160T7mm/7mm150 - 165/110 - 115120XAC115/165T7mm/7mm160 - 175/110 - 125120XAC125/175T7mm/7mmRange AB mmLength (min)CodeDriverFLEXICON PLUMBING ADAPTORS (XPA)50 - 65/30 - 4580XPA45/65T7mm/7mm80 - 95/45 - 50100XPA50/95T7mm/7mmRange AB mmLength (min)CodeDriverFLEXICON DRAIN COUPLINGS (XDR)14All dimensions in mm unless otherwise stated50 - 6595XDR65T7mm80 - 95110XDR95T7mm100 - 115110XDR115T7mm110 - 125120XDR125T7mm150 - 165120XDR165T7mm150 - 175120XDR175T7mm175 - 200150XDR200T8mm
Flexicon couplingsRange AB mmLength (min)CodeDriverFLEXICON SHEAR BAND STANDARD COUPLINGS (XSB)100 - 125120XSB125T8mm110 - 120120XSB120T8mmRange AB mmCodeDriverFLEXICON END CAPS (XST)50 - 65XST65T7mm80 - 95XST95T7mm100 - 115XST115T7mm15
Terrain System PlanningSystem planningHandling Take all reasonable care when handling PVC-u,particularly in very cold conditions when the impactstrength of the material is reduced. Do not throw or drop pipes, or drag them alonghard surfaces. In case of mechanical handling, use protective slingsand padded supports. Metal chains and hooks shouldnot make direct contact with the pipe.On-site storage Store fittings under cover. Do not remove from cartonsor packaging until required. Store solvent cement and cleaning fluid in a cool placein accordance with the relevant regulations detailed inthe Health & Safety at Work Act 1974.Storage in hot climates colour may change and rubber seals may be degraded. Accordingly:- store all materials in well-ventilated,shady conditionsStack pipe lengths:- either on a flat base- do NOT expose to direct sunlight- or on level ground- keep fittings in original packaging until requiredfor use- or on 75mm x 75mm timber at 1.0m maximum centres Provide side support with 75mm wide battens at1m centres (Fig. 1). Maximum stack: seven layers high. The relevant regulations detailed in the Health & Safety atWork Act 1974, and Construction (Design & Management)Regulations 1995, must be adhered to on-site. COSHH data sheets are available on request. Ideally, stacks should contain one diameter pipe sizeonly. Where this is not possible, stack largest diameterpipes at base of stack. Small pipes may be nested insidelarger pipes.If stored in the open for long periods, or exposed tostrong sunlight, cover the stack with opaque sheeting.Fig. 1 Pipe stacking16Ultra-violet light can affect pipes and fittings: pipeAll dimensions in mm unless otherwise statedMaximum stack (hot conditions): six layers high.Site safety
System planningSeal ring jointingStep 2Important: A 9mm expansion gap must be created at all sealring joints to allow pipes to expand or contract withoutstressing during wide temperature variations.Push pipe fully into socket. Mark pipe against socket edgeas shown (Fig. 2b).Step 1Pipe lengths are supplied ready-chamfered. For site-cutpipes and offcuts, ensure cut is square - then file ends toprovide 45 external chamfer. (Do not chamfer to a knifeedge.) Lubricate rubber seal with 9136 Lubricant (Fig. 2a).Fig. 2a Filing chamferStep 3Withdraw pipe until mark is 9mm from socket edge toprovide required expansion gap (Figs 2c and 2d).Fig. 2b Pushing in pipe/marking pipeExpansion GapFig. 2c Pipe withdrawn by 9mmFig. 2d Pipe Expansion gap17
Terrain System PlanningSystem planningPipe bedding and backfillAll bedding and backfilling of Terrain Underground pipesshould be in accordance with BS EN 5955: Part 6 Installationof PVC-u pipework for gravity drains and sewers, or theBBA Certificate.Terrain 110mm and 160mm PVC-u underground drainagesystems have been awarded British Board of AgrémentCertificate No. 94/3049. This allows: 50mm depth of granular bedding (Fig. 3)Where the as-dug soil is suitable, pipes may be laiddirectly on a trimmed trench bottom (Fig. 4)Suitable material is defined as granular material inaccordance with the recommendations of BS EN 5955:Part 6: 1980 having a nominal particle size not exceeding10mm or 14mm for 110mm and 160mm diameter pipesrespectively, or that which passes the tests described inappendix A of the above standard.Where the as-dug material is unsuitableA bed of suitable imported granular material must be laidon the trench bottom prior to installation of pipes and beused for sidefill up to the level of the crown of the pipe.If the trench may be hand trimmed by shovel and is notpuddled when walked on, a bed of 50mm is sufficient(Fig. 3).When pipes are to be laid in hard ground requiringmechanical means of trimming (e.g. rock, compacted sandor gravel), or in very soft or wet ground, a bed of min.100mm is required (Fig. 5).Drains under buildingsWhere drains are required to be laid under buildings, deephardcore from within the foundation boundaries should becompacted prior to excavating the trench for the pipe.Suitable material should then be employed for the beddingand backfilling.When trenches are dug from original ground, pipes may belaid and surrounded with appropriate material before thetop layer of hardcore is placed.Where pipes pass through a wall or foundations of abuilding, they should be protected by a lintel or sleeve.Shallow drainsWhere there is risk of damage, pipes laid at less than 600mmdepth (not under a road) should be protected by use of apaving slab or similar. A minimum 75mm cushioning layer ofgranularmust belaid between any slab and theFig. material1 Beddingrequirementscrown of the pipe.Pipes laid on the trenchPipes laid under roadsThe minimum cover under roads should be 1.2m from thetop of the pipe. Where this is less than 1.2m additionalprotection is required ie. reinforced bridging slabs.Fig. 3 Bedding requirementsFig. 2 BeddingrequirementsRequirementsfor importedmaterial for backfillPipes laid on 50mmminimumNominal pipe sizeMaterial complying with BS 882: 1992110mm10mm nominal single-sized aggregate160mm14mm nominal single-sized aggregatePipes laid on 100mmminimumAs dug material, sidefill andbackfill, to be granular materialto BS 5955: Part 6: 1980Fig. 4BackfillPipe diameterSidefillTrench bottom trimmed and loosenedto form bedFig. 5Fig. 318Sidefill minimum150mm wide eachside of pipe regardlessof diameterFirst 300mm of backfill selected tobe free from stones exceeding 40mm(unless the granular material extends100mm above the pipe crown)Minimum 50mm granular materialWhere the backfill above the pipescontains stones larger than 40mm,or where the pipework is deeperthan 2m in poor ground, the selectedgranular material should extend toat least 100mm above the pipe crownAll dimensions in mm unless otherwise statedSidefill minimum150mm wide eachside of pipe regardlessof diameterFirst 300mm of backfill selected tobe free from stones exceeding 40mm(unless the granular material extends100mm above the pipe crown)Minimum 100mm granular bedding(to BS 5955: Part 6: 1980, clause 7.2)Where the backfill above the pipescontains stones larger than 40mm,or where the pipework is deeperthan 2m in poor ground, the selectedgranular material should extend toat least 100mm above the pipe crown
System planningRodding pointsOverall heightsRodding points may be used on drains with invert depths upto 2m. They may be located at the head of a drain or atintermediate positions as an alternative to an inspectionchamber or manhole. However, Because rodding is possible in the direction of flowonly, sufficient rodding points must be incorporated toprovide access to all parts of the drain.As it is not possible to remove debris from a roddingpoint, an inspection chamber or manhole must beprovided at a point downstream.During installation, care must be taken to ensure no load istransferred onto the branch upstand of the pipe.Shallow inspection chamberOverall heightsIncluding cast iron frame and coverBase Unit285mmBase unit plus 1 raising piece520mmBase unit plus 2 raising pieces755mmBase unit plus 3 raising pieces990mmBase unit plus 4 raising pieces1225mmIntermediate heights can be achieved by cutting the topraising
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
Polypipe Qatar Polypipe Ltd RTO Office Commercial Bank Plaza Tower Level 14, West Bay P.O.Box 27111 Doha Qatar Tel: 974 (4) 452 8394 Fax: 971 (4) 452 8181 middleeast@polypipe.com Polypipe UK New Hythe Business Park College Road Aylesford Kent ME20 7PJ United Kingdom Tel: 44 (0) 1622 795 200 Fax: 44 (0) 1622 795 263 Terrain Underground .
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PolyPipe products are ideal . When specifying a piping system for underground fire . Perforated pipe is available in a multitude of configurations and is perfect for leachate collections, drainage and landfills. PolyPipe can be produced in metric, iron pipe sizes (IPS) and ductile iron pipe sizes (DIPS).
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