and The full Ridgisewer and Polysewer range runs from page Ridgisewer & Polysewer offer benefits including

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1 and The full Ridgisewer and Polysewer range runs from page Ridgisewer & Polysewer is Polypipe s innovative system for adoptable surface, foul and combined sewers. Ridgisewer & Polysewer meet all of the demanding requirements of WIS , the new water industry specification for sewer pipes, including new tests for resistance to maintenance operations. Ridgisewer & Polysewer offer benefits including ull compliance with WIS Reduced health and safety risks in handling, storage and installation with a weight approximately 6% of equivalent sizes of concrete pipe Resistance to high pressure water jetting in accordance with the WRc code of practice Longer lengths and with integral sockets for reduced jointing operations Jointing systems that remain intact even under extreme site conditions Inbuilt robustness for installation and maintenance operations lexible construction to resist differential settlement Superior chemical, impact and abrasion resistance Immunity from sulphate attack or corrosion due to sewer gases urable long-life material Integrally socketed pipes from mm 26

2 Ridgisewer and Polysewer Introduction 2.1 Ridgisewer and Polysewer... first to be certified to WIS Polypipe ivils was a key player in the industry-wide project to achieve a generic specification for structured wall sewer pipe systems. Polypipe continues to lead the way, with Ridgisewer and Polysewer the first systems to achieve prestigious ritish Standards Institution kitemark status. WIS is the UK specification for thermoplastic structured wall pipes for gravity sewer applications. The specification, developed by Water UK in conjunction with participating members of the ritish Plastics ederation, ritish Standards Institution, ritish oard of grément and the Water Research entre, follows extensive research and investigation and sets out a comprehensive range of performance based tests including Long-term structural performance Joint integrity under extreme conditions Resistance to the effects of routine maintenance operations, including internal impact and high pressure water jetting xternal impact Material tests to ensure long-term durability WIS replaces all existing certifications for structured wall plastic sewer pipes. ertificate No. KM55702 & KM mm mm Note: certificates cover Ridgisewer and Polysewer pipes and fittings excluding couplers. Ridgisewer and Polysewer... the most versatile system in the market Ridgisewer and Polysewer are the largest Ridgisewer pipes are manufactured in high these products can be cut and welded structured wall range in the industry (featuring sizes from 150 to 900mm). Polysewer pipes are manufactured in upv in diameters from 150 to 300mm. upv is the most commonly used material for both single wall and structured wall pipes in diameters up to 300mm. stiffness polypropylene in sizes 400 to 900mm, offering stiffness well in excess of other plastic products combined with exceptional durability. The ranges include complete systems of couplings, seals, bends junctions and specialist fabrications. The ease with which allows them to be used to manufacture a vast range of standard and made to measure fittings, manholes, catchpits and soakaways. pplications Ridgisewer and Polysewer are suitable for gravity flow foul, surface water and combined sewers. pplications include private sewers, capital projects and systems installed by developers and subsequently adopted by a statutory authority. Sewer adoption is the process whereby responsibility for the maintenance and operation of sewers constructed by evelopers is transferred to a Sewerage Undertaker or Sewerage gent ouncil. Within ngland, Wales and Northern Ireland such adoption is carried out under Section 104 of The Water Industry ct It should be noted that adoptions of surface water sewers may also take place under the Highways ct 1980 and the Ridgidrain range is normally specified for these applications. Polypipe is actively seeking formal approval for Ridgisewer and Polysewer from all UK Water ompanies. or up to the minute advice contact our Technical epartment or visit our website. 27

3 Polysewer Pipe imensions 2.2 Plain ended pipes Nominal size ode I mm O mm Length m WIGHT kg/m 150 ps ps ps ps ps ps I O KM55698 Integrally socketed pipes Nominal size ode I mm O mm Length m WIGHT kg/m 150 ps ps ps ps ps ps I O KM55698 ouble socket couplings 150 PS PS PS KM55698 ouble socket slip couplings 150 PS PS PS

4 Polysewer Pipe imensions 2.2 Sealing rings Nominal size ode 150 PSSP1 225 PSSP2 300 PSSP3 Spigot adaptors to N PS PS ach adaptor is supplied with one seal Socket adaptors to N PS PS PS ach adaptor is supplied with two seals Level invert reducers 225x150 PS x225 PS ach reducer is supplied with two seals 45 equal junctions ode PS PS PS ach junction is supplied with three seals 90 equal junctions ode PS ach junction is supplied with three seals 29

5 Polysewer Pipe imensions unequal junctions ode PS635RS PS1035RS PS PS1031RS PS1235RS PS P21231RS PS ach junction is supplied with three seals 90 unequal junctions ode PS643RS ach junction is supplied with three seals 15 bends 150 PS PS PS ach bend is supplied with two seals 30 bends 150 PS PS PS ach bend is supplied with two seals 30

6 Polysewer Pipe imensions bends 150 PS PS PS ach bend is supplied with two seals 90 bends Nom Size ode 150 PS PS PS ach bend is supplied with two seals nd caps 150 PS PS PS Socket plugs 150 PS PS PS

7 Polysewer Pipe imensions 2.2 daptors to other pipe systems Nominal size ode escription 150 PS634 ouble socket to super clayware pipe 150 PS696 ouble socket to thick clayware pipe 150 PS6105 ouble socket to Ultrarib adapter 225 PS10105 ouble socket to Ultrarib adapter 300 PS12105 ouble socket to Ultrarib adapter ach adaptor is supplied with two seals. or adaption to 225mm and 30mm clay pipe, flexible couplings to WIS should be used. Snap cap & seals Nominal size ode escription 150 PS6103 To adapt 87.5 bends and 45º unequal junctions to N1401 pipes 150 PS6104 To adapt 87.5 junctions to N1401 pipes Rodding eye Nominal size ode escription 150 PS6225 Sealed oval top in aluminium 32

8 Ridgisewer Pipe imensions 2.2 Plain ended pipes Nominal size ode I mm O mm Length m Weight kg/m 400 RSW400X6P RSW450X6P RSW500X6P RTIIT No. 00/R RSW600X6P RSW400X3P4 400 RTIIT NUMRS RSW450X3P RSW500X3P RSW600X3P RTIIT No. 93/R078 RTIIT No. 90/R054 KM55701 RTIIT No. 00/R121 & 00/3678 I O Integrally socketed pipes RTIIT No. 00/3678 RTIIT No. 00/R1221 Nominal size ode I mm O mm Length m Weight kg/m 400 RSW400X6IS RSW450X6IS RSW500X6IS RSW600X6IS RSW400X3IS RSW450X3IS RSW500X3IS RSW600X3IS RSW750X3IS RTIIT No. 93/R RSW900X3IS ouble socket couplings 400 RSW RTIIT No. 93/R RSW RSW RSW RTIIT NUMRS RTIIT RTIIT NUMRS No. 02/3923 RTIIT No. 00/R121 RTIIT No. 90/R054 RTIIT No. 02/H068 RTIIT NUMRS RTIIT No. 00/R121 & 00/3678 RTIIT No. 02/H068 KM55701 RTIIT RTIIT No. 00/R121 No. 00/3678 RTIIT No. 00/R /R121 & 00/3678 RTIIT No. 00/R121 & 3678 RTIIT No. 00/R121 RTIIT No. 90/R054 KM55701 OR O RTIIT No. 00/3678 RTIIT No. 00/R121 & 3678 RTIIT No. 00/R121 & 3678 RTIIT No. 00/R121 & 00/3678 RTIIT No. 00/R1221 RTIIT No. 00/R121 & 3678 I O ouble socket slip couplings 400 RTIIT No. 93/R078 02/H068 RSWS RSWS RSWS RSWS RTIIT NUMRS Sealing rings RTIIT RTIIT No. 00/R121 No. 90/R054 & 3678 RTIIT No. 00/3678 RTIIT No. 00/R121 RTIIT RTIIT No. 00/R121 No. 03/3979 & 3678 KM55701 RTIIT No. 00/R1221 RTIIT No. 00/R121 & 00/3678 Nominal size ode 400 RTIIT No. 02/H068 SRS400 RTIIT No. 93/R SRS SRS SRS SRS SRS900 RTIIT No. 00/R121 & 3678 RTIIT No. 90/R054 RTIIT No. 00/3678 RTIIT No. 00/R121 & 3678 KM55701 RTIIT No. 00/R

9 Ridgisewer Pipe imensions unequal junctions ode RSWJ400110Y RSWJ400160Y RSWJ450110Y RSWJ450160Y RSWJ500110Y RSWJ500160Y RSWJ600110Y RSWJ600160Y RSWJ750110Y* RSWJ750160Y* RSWJ900110Y* RSWJ900160Y* RTIIT NUMRS RTIIT No. 00/R121 RTIIT No. 00/R121 & 00/3678 ode RSWPSJ400150Y RSWPSJ450150Y RSWPSJ500150Y RSWPSJ600150Y RSWPSJ750150Y* RSWPSJ900150Y* RTIIT No. 93/R078 RTIIT No. 90/R054 RTIIT No. 00/3678 RTIIT No. 00/R & 160mm branches are for N1401 pipes branches are for Polysewer Order seals seperately *These junctions are made to order and are subject to lead times. RTIIT No. 02/H068 RTIIT No. 00/R121 & 3678 RTIIT No. 00/R121 & equal junctions ode RSWJ400Y RSWJ450Y RSWJ500Y RSWJ600Y RTIIT NUMRS RTIIT No. 00/R121 RTIIT No. 00/R121 & 00/ RSWJ750Y* RSWJ900Y* RTIIT No. 93/R078 RTIIT No. 90/R054 *These junctions are made to order and are subject to lead times. RTIIT No. 00/3678 RTIIT No. 00/R1221 RTIIT No. 02/H068 RTIIT No. 00/R121 & 3678 RTIIT No. 00/R121 &

10 Ridgisewer Pipe imensions unequal junctions ode RSWJ400110T RSWJ400160T RSWJ450110T RSWJ450160T RTIIT NUMRS RTIIT No. 00/R RSWJ500110T RSWJ500160T RSWJ600110T RSWJ600160T RTIIT No. 00/R121 & 00/3678 RTIIT No. 93/R RSWJ750110T* RSWJ750160T* RSWJ900110T* RSWJ900160T* RTIIT No. 90/R054 RTIIT No. 00/3678 RTIIT No. 00/R1221 ode RSWPSJ400150T RSWPSJ450150T RTIIT No. 02/H068 RTIIT No. 00/R121 & RSWPSJ500150T RSWPSJ600150T RTIIT No. 00/R121 & RSWPSJ750150T* RSWPSJ900150T* & 160mm branches are for N1401 pipes branches are for Polysewer Order seals seperately *These junctions are made to order and are subject to lead times. 90 equal junctions ode RSWJ400T RSWJ450T RSWJ500T RSWJ600T RSWJ750T* RSWJ900T* *These junctions are made to order and are subject to lead times. RTIIT NUMRS RTIIT No. 00/R121 RTIIT No. 00/R121 & 00/3678 RTIIT No. 93/R078 RTIIT No. 90/R054 RTIIT No. 00/3678 RTIIT No. 00/R

11 Ridgisewer Pipe imensions 2.2 3m junction (single) - made to order ode G RSWJ400160Yx3S RSWJ450160Yx3S RSWJ500160Yx3S RSWJ600160Yx3S RSWJ750160Yx3S RSWJ900160Yx3S RSWPSJ400150Yx3S RSWPSJ450150Yx3S RSWPSJ500150Yx3S RSWPSJ600150Yx3S RSWPSJ750150Yx3S RSWPSJ900150Yx3S G 160mm branches are for N1401 pipes branches are for Polysewer Order seals seperately if required 3m junction (double) - made to order ode G RSWJ400160Yx RSWJ450160Yx RSWJ500160Yx RSWJ600160Yx RSWJ750160Yx RSWJ900160Yx RSWPSJ400150Yx RSWPSJ450150Yx RSWPSJ500150Yx RSWPSJ600150Yx RSWPSJ750150Yx RSWPSJ900150Yx mm branches are for N1401 pipes branches are for Polysewer Order seals seperately if required G G 36

12 Ridgisewer Pipe imensions bends TYP 1 TYP 2 TYP RSW RSW RSW RSW TYP RTIIT NUMRS 2 RTIIT No. 00/R121 & 00/3678 *750 RSW *900 RTIIT No. 00/R121 RSW *These bands are made to order RTIIT No. 93/R078 RTIIT No. 90/R054 and are subject to lead times 22.2 bends RTIIT No. 00/3678 RTIIT No. 00/R1221 TYP RTIIT No. 02/H068 1 TYP RTIIT NUMRS RSW RTIIT No. 00/R121 & RSW RTIIT No. 00/R121 & 3678 RSW RSW RTIIT No. 00/R121 RTIIT No. 00/R121 & 00/3678 *750 RSW *900 RSW TYP 1 TYP 2 RTIIT No. 93/R078 *These bands are made to order RTIIT No. 90/R054 and are subject to lead times 45 bends RTIIT No. 00/3678 RTIIT No. 00/R1221 RTIIT No. 02/H068 TYP 1 TYP RITISH RTIIT NUMRS 2 RTIIT No. 00/R121 & 3678 RTIIT No. 00/R121 & RSW RSW RSW RSW RTIIT No. 00/R121 RTIIT No. 00/R121 & 00/3678 *750 RSW *900 RSW TYP 1 TYP 2 RTIIT No. 93/R078 *These bands are made to order and are subject to lead RTIIT times No. 90/R054 RTIIT No. 00/3678 RTIIT No. 00/R1221 RTIIT No. 02/H068 RTIIT No. 00/R121 & 3678 RTIIT No. 00/R121 &

13 Ridgisewer Pipe imensions bends 400 RSW Spigot 450 RSW Spigot 500 RSW Spigot 600 RSW Spigot 750* RSW * RSW These bends are made to order and subject to lead times (i) (ii) nd caps Nominal size ode 400 RSW RSW RSW RSW RSW RSW900 Socket plugs 400 RSWSP RSWSP RSWSP RSWSP RSWSP RSWSP

14 Ridgisewer Pipe imensions 2.2 Rocker pipes Nominal size ode I O Length (m) 750 RSWRP RSWRP Order seals seperately KM55701 Stub pipes Nominal size ode I O Length (m) 750 RSWST RSWST KM55701 Order seals seperately Ridgitite saddles WR pproved PT/193/1102 RRIr ode Pipe lassification orrugation Height PIP IMTR 300 SLPS300 Polysewer /450 SL Ridgisewer SL500 Ridgisewer SL600 Ridgisewer HOL177 Hole saw 39

15 Ridgisewer Pipe Specification 2.3 WIS is the UK specification for thermoplastic structured wall pipes for gravity sewer applications. eveloped by Water UK, in conjunction with participating members of the ritish Plastics ederation, ritish Standards Institution, ritish oard of grèment and Water Research entre; following extensive research and investigation. It sets out a comprehensive range of performance based tests, summarised in the table below: Property Standard Ring flexibility S N 1446 Short term ring stiffness S N ISO 9969 Long term ring stiffness S N ISO 9967 (reep ratio) Impact resistance S N 1411 Leaktightness of seals - istortion S N ISO 1277 Leaktightness of seals - eflection S N ISO 1277 Long term strength and heat S N 1437 resistance (ox Load Test) ( mm ø only) Internal puncture Water Jetting Longitudinal bending WIS , ppendix WIS , ppendix WIS , ppendix Heat test S N 742 Stress relief of injection moulded ouplers S 2782 Refer to WIS for specific details of individual tests 40

16 Ridgisewer Pipe Specification 2.3 Stiffness lassification Ridgisewer pipes are offered in stiffness class SN4 as standard. In accordance with WIS pipes may be manufactured in two stiffness classifications. In order to satisfy the relevant stiffness classification, when tested in accordance with S N ISO 9969:1995, the pipe must have a nominal short term ring stiffness not less than either: The stated nominal short term ring stiffness (WIS , Table 6), or The stated creep ratio (WIS , Table 3) multiplied by a stated 2 year stiffness (WIS , Table 3). onsequently, in order to comply with WIS , lass SN4 Ridgisewer does in fact have a short term ring stiffness no less than 8 kn/m 2 comparison may be drawn with flexible highway drainage systems which are required to have a short term ring stiffness of 6kn/m 2 In addition to being manufactured under a S N ISO 9001:2000 quality management system, Ridgisewer has undergone extensive testing by independent third parties, resulting in the following certification: SI Kite Mark ertificate No KM55701 ertificate No 03/

17 Ridgisewer Pipe esign Properties 2.4 eformation igures Table Short-term pipe design properties Nominal size Mean diameter I I/ 3 (mm) (m) (m 4 /m x 10-9 ) (kn/m 2 x 10 3 ) (kn/m 2 ) Polysewer Ridgisewer Table Long-term pipe design properties Nominal size Mean diameter I I/ 3 (mm) (m) (m 4 /m x 10-9 ) (kn/m 2 x 10 3 ) (kn/m 2 ) Polysewer Ridgisewer lotation lthough unlikely to occur, the potential for flotation should be checked in installations where the water table is above the pipe invert level. Table 3.3 details uplift forces for the following conditions: Pipe bore empty This is applicable to empty carrier drainage systems. The uplift forces are due to air trapped within the corrugations and the pipe bore. Pipe bore full This is applicable to filter drainage pipes and filled carrier drainage pipes. The uplift forces are due to air trapped within the corrugations. Table 3.3 Uplift forces for fully submerged pipes lotation orce lotation orce iameter Pipe ore ull Pipe ore mpty (mm) (kn/m) (kn/m) Polysewer Ridgisewer N.. luid ensity of 1000kg/m 3 assumed The difference in flotation forces between Ridgsewer SN4 and SN8 pipes is negligible. The worst case figure is used. n appropriate factor of safety should be used to ensure prevention of flotation after installation. Please note that Ridgisewer and Polysewers pipes may float if a substantial depth of water is in the trench during installation. 42

18 Ridgisewer Installation 2.5 Structural properties. Where a detailed structural design check is required, values from tables & may be used for design purposes. Please refer to Section 3.2 for structural design methodology of flexible pipe systems. Installation Installation of the Polysewer / Ridgisewer system is typically carried out in accordance with Sewers for doption 6th dition. Sewerage undertakers approving Polysewer / Ridgisewer have adopted the following installation detail. Granular ed & Surround Native soil Trench Support Selected granular material 100mm 100mm min. under pipe s small as practicable but not less than xtract from Table 2 WIS Pipe nominal bore (mm) Nominal maximum Materials specified in (mm) see note (4) particle size (mm) ritish standards, see note (2) Notes mm nominal single-size Over 100 to or 14mm nominal single-size or 14mm to 5mm graded Over 150 to , 14 or 20mm nominal single-size or 1. Nominal bore is used in preference to N because of the different nominal size classifications for flexible pipes 2. Processed granular materials to include aggregates to S 882, air-cooled blast furnace slag to S 1047 and lightweight aggregates to S ll temporary and enabling works are by others 4. Nominal bore is used in the preference to N because of the different nominal size classifications for flexible pipes 5. The constructor should check with the adopting authority for local variations to this detail 6. This document is uncontrolled and updates will not be issued automatically 14mm to 5mm graded or 20mm to 5mm graded Over 300 to or 20mm nominal single-size or 14mm to 5mm graded or 20mm to 5mm graded Over , 20 or 40mm nominal single-size or 14mm to 5mm graded or 20mm to 5mm graded or 40mm to 5mm graded 43

19 Ridgisewer Installation 2.5 Rocker Pipe etail Rocker Pipe Stub Pipe 750mm Ridgisewer (Product ode) (RSWRP750) (RSWSTP750) 900mm Ridgisewer (Product ode) (RSWRP900) (RSWST900) Where the minimum depth of cover can not be acheived, protective measures should be undertaken. This may take the form of one of the following. However, it should be noted that Sewer undertakers may have a particular protection method preference. oncrete Protection Slab Road onstruction Native soil Reinforced concrete slab (may be precast) extending to trench walls and sufficiently strong to span across. 1ess than 1.2m Minimum 200mm 200mm 100mm 100mm min. under pipe s small as practicable but not less than Selected granular material This detail is recommended where depths of cover are less than recommended or where loading is excessive. (see section 3.1) This detail is preferable to a concrete bed and surround because the flexibility of the pipe system is maintained. lexible Joint in oncrete ed and Surround ompressible oard ompressible oard Joint filler board should be placed in contact with the end of the socket at a pipe joint and should extend through the full thickness of the concrete in contact with the pipe. lexible joints shall be at intervals of 5m or at each joint, whichever is the greater. 44

20 Ridgisewer Installation 2.5 oncrete ed and Surround Road onstruction Native soil 1ess than 1.2m min. under pipe s small as practicable but not less than concrete grade 20 oncrete (where necessary - e.g. pipe depth <1.2m; under roads): MINIMUM below pipe base ( iagram ) 20 grade concrete (iagram ) Incorporate flexible joints through concrete surround at mouth of pipe sockets Polysewer and Ridgisewer Gravity Sewer Pipes or applications subject to design and installation in accordance with Sewers for doption - a design and construction guide for developers ; 6th dition The pipes shall be thermoplastic structured wall pipes and shall comply with the relevant provisions of WIS Polysewer and Ridgisewer Gravity Sewer Pipes or applications subject to ivil engineering specification for the water industry ; 6th dition The pipes shall be thermoplastic structured wall pipes and shall comply with the relevant provisions of WIS Ridgigully The surface water gullies shall be single piece gullies moulded in HP and shall have a current ritish oard of grément Roads and ridges certificate. The outlet shall be trapped as standard and capable of being converted to an untrapped gully by removal of the factory installed stopper. The gully shall be corrugated for enhanced stiffness and to key into the concrete surround. Gullies shall be installed in accordance with the Manual of ontract ocuments for Highway Works. Ridgisewer Model Specification 2.6 KM