wavin OSMA Rainwater Product Installation Manual
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wavin OSMA Rainwater Product Installation Manual

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Product
& Installation
Manual
Rainwater
www.wavin.co.uk

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Summary of Contents for wavin OSMA Rainwater

  • Page 1 Product & Installation Manual Rainwater www.wavin.co.uk...
  • Page 2 Product Details Wavin Osma StormLine PVC-U Rainwater Systems Gutter StormLine Gutter Material: PVC-U Nominal Part Colour Length Size (mm) Number Option 111x76x97 8T874 Gutter Union and Brackets Gutter Jointing Bracket Material: PVC-U, with EPDM seals Nominal Part Colour Dimensions (mm)
  • Page 3 Material: PVC-U, with EPDM seal Nominal Part Colour Dimensions (mm) Size (mm) Number Option 111x76x97LH 8T841 37.5 111x76x97RH 8T851 37.5 Gutter Angles Internal 90° Angle Material: PVC-U, with EPDM seals Nominal Part Colour Dimensions (mm) Size (mm) Number Option 111x76x97 8T843 www.wavin.co.uk...
  • Page 4 Product Details Wavin Osma StormLine PVC-U Rainwater Systems External 90° Angle Material: PVC-U, with EPDM seals Nominal Part Colour Dimensions (mm) Size (mm) Number Option 111x76x97 8T853 72.5 Internal 45° Angle Material: PVC-U, with EPDM seals Nominal Part Colour Dimensions (mm)
  • Page 5 Adjustable Side Rafter Bracket • Use with Gutter Support Bracket 8T819 • Angle of bracket: 30° Material: BZP-plated steel Nominal Part Dimensions (mm) Size (mm) Number – 0T148 Spares Gutter Seal Material: EPDM Nominal Part Size (mm) Number 111x76x97 8T864 www.wavin.co.uk...
  • Page 6 Product Details Wavin Osma StormLine PVC-U Rainwater Systems Flexiclip Material: PVC-U Nominal Part Colour Size (mm) Number Option 111x76x97 8T816 NOTE: StormLine can directly connect to 68mm round or 61mm square downpipe. See RoundLine and SquareLine sections for product details.
  • Page 7 • if 30º pitch – Area x 1.29 • if 45º pitch – Area x 1.5 3. Check this gure against the capacity of Wavin Osma • if 60º pitch – Area x 1.87 systems set out in Table 1.
  • Page 8 A fall of 1:600 (25mm in 15m) is recommended. higher rainfall intensity should be used. See BS EN12056-3:2000. The high capacity characteristics of Wavin Osma gutter systems mean that performance is not compromised by Table 3 shows the maximum capacity for each system, being laid level.

  • Page 9: Table Of Contents

    Refer to Table 3 below to determine whether system capacity is su cient for area to be drained. BS EN 12056: Part 3: 2000 7.3.1. • For drainage via Wavin Osma at roof outlets: Refer to For reference to Standards see page 86. Table 2 below.
  • Page 10 Design Procedures Wavin Osma Rainwater Gutter Support Multi-screw Brackets Rafter Brackets For brackets where multi-screw holes Where it is not possible to screw- x are provided, we recommend that all direct to fascia, Angled, Adjustable, Gutter Location three are used. Although the central Top and Side Rafter Brackets, BS EN 12056 –...
  • Page 11 For a gutter to t into a curved eaves indicate the limit for positioning detail, it is necessary to use a number Wavin Osma Rainwater systems gutter ends to allow for thermal of shallow angles. are tted with a ‘Flexiclip’ and seal expansion.
  • Page 12 Design Procedures Wavin Osma Rainwater Pipe Support Figure 8: Application of Pipe Bracket Spacer Pipe Support Centres The maximum support centres for pipes installed vertically and horizontally are shown in Table 6 below. Thermal Movement A gap of 10-12mm must be left between the top of each length of pipe and the tting to which it is connected to allow for thermal movement.

  • Page 13: Roundline

    Wavin Osma Rainwater Typical Connections of Gutter Outlets to Wavin Osma Pipe Each Wavin Osma rainwater gutter system o��ers a number of alternatives for connection of pipe to gutter system, depending upon: • Depth of the fascia • Whether there is a so t •...
  • Page 14 Design Detailing Wavin Osma Rainwater Typical Connections of Gutter Figure 10: RoundLine shallow o��set Outlets 0T625 Shallow offsets Components to achieve a shallow o��set are listed in Table 8 below: Table 8: Shallow O��set Components System Components required RoundLine 0T625 + 0T026 (90mm projection or 70mm projection by...
  • Page 15 110mm circular pipe 6T606 + 2 x 4S445 OR 6T606 + 2 x 4S440 To be used with Socket Bracket 4S083, tted to lowest O��set 4T825 Bend with o��cut of pipe, length to suit Pipe o��-cut to suit 4T834 www.wavin.co.uk...
  • Page 16 Physical Attack Wavin Osma Rainwater systems are not susceptible to insect or vermin attack. Unlike cast iron systems, plastic has no scrap value and is therefore less likely to be targeted by vandals or thieves.
  • Page 17 (see Figure 20). Maintenance Wavin Osma Rainwater systems are designed to be Figure 20: Unloading of block bundles maintenance-free. However, in wooded or leafy areas, gutters should be periodically checked to ensure that gutter and pipe have not worked loose or become blocked.
  • Page 18 4T805, and 3T305 have a single Gutter Joint Design thermal movement. screw xing, allowing the tting to The Wavin Osma joint ttings are pivot to the required gutter fall (see supplied complete and ready for use. Allowance for thermal expansion Figure 26).
  • Page 19 ��xing PVC-U gutter ��ttings. *NOTE: Rainwater pipe which discharges into a gully must terminate BELOW the gully 4T825 grating but ABOVE the water seal, preferably by using a back inlet. (BS EN 12056:3:2000 7.6.9). 4T882/4T884 4T886/4T888 4T823/824 4T833/834 4T832* www.wavin.co.uk...

  • Page 20: Stormline

    Bow and Pin Snow Bracket Spacers stacked together will give an overall spacing of All Wavin Osma Rainwater systems 40mm. Individual spacers can be are designed to withstand the weight cut back to a minimum of 10mm of snow likely from normal falls.
  • Page 21 Hints and Tips Lubricating Seals Water Test Assembly is easier if the seal is Don’t wait for a downpour do a water lubricated using Wavin Osma Silicone test of new guttering before removing Screws Spray. Lubricant also improves the ladder.

  • Page 22: Deepline

    RoofLine and Roof Outlets 4T837, which ts directly into the Utilise pipe and ttings from the socket of the outlet (see Figure 41). Wavin Osma 82 and 110mm Soil systems. See opposite for ring-seal Chamfer and deburr spigot end StormLine and solvent weld jointing.
  • Page 23 – Ensure there is su cient ventilation. 2. Make sure pipe or tting spigot and solvent weld socket Outlets connect to Wavin Osma 110mm PVC-U soil pipe are dry, clean and free from grit or dust. and ttings. Wavin Osma Roof Outlets also connect to 3.
  • Page 24 General Techniques Wavin Osma Rainwater Pipe Support and Offsets Figure 42: Pipe or Socket Bracket (0T033) Pipe Support Centres Refer to Table 11 below for the maximum support centres for pipes. Table 11: Maximum Pipe Support Centres 0T033 Maximum centres (m)
  • Page 25 5. Fit the nut from the outside: tighten nut to form a seal. 6. Cut the connecting hose to the required length and t between butt and downpipe connection. IMPORTANT NOTE: Diverter Kit not suitable for cast iron drainpipes. www.wavin.co.uk...
  • Page 26 System Connections Wavin Osma Rainwater Connections to Below Figure 49: Connection to 110mm PVC-U Socket (61mm square pipe) Ground Drainage 61mm SquareLine pipe 4T836 Downpipes may be terminated at ground level by using an adaptor, a pipe shoe, feeding directly into a gully or directly 4S149 into a drain socket.
  • Page 27 *NOTE: Rainwater pipe which discharges into a gully must terminate BELOW the gully grating but ABOVE the water seal, preferably by using a back inlet. Where discharge onto a lower roof or paved area is unavoidable, ��t a pipe shoe to divert water away from the building and reduce splashing. 0T037 www.wavin.co.uk...
  • Page 28 2. Insert the pipe making sure discharge is below the grating. 61mm SquareLine pipe RoofLine Connection to 110mm Drain Socket Wavin Osma RoofLine system utilises Wavin Osma 110mm Soil pipe. This can be connected directly into a 4T838 drain socket (see Figure 57). Vertical Inlet...
  • Page 29 2½" iron pipe. Mastic or other sealing compounds are not needed. RoofLine, Wavin Osma Roof Outlets To 4" Cast Iron Spigot Component: • Connector 4S206 from the Wavin Osma Push-Fit Soil range. Procedure 1. Fit Connector to the PVC-U pipe. 2. Push rmly into the socket.
  • Page 30 Orbia’s Building and Infrastructure business Wavin is an innovative solutions provider for the global building and infrastructure of companies working together industry. Backed by more than 60 years of product development experience, Wavin is advancing life around the world by building to tackle some of the world’s most healthy, sustainable environments for global citizens.

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