CPM-Drainage-Brochure-2012 - 28 Pages

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CPM-Drainage-Brochure-2012

Catalog excerpts

pipes manholes caissons gully pots off-site solutions box culverts

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The CPM Group CPM is a precast concrete business with a difference. Innovation and diversification is the key to our success. We are a market-leading manufacturer of concrete products with extensive production facilities in Somerset, Staffordshire, Yorkshire and Scotland. This, combined with a network of specialist distributors, enables us to provide our customers with complete UK coverage. Our business is built on a solid reputation for delivering quality products and providing a first class service. We supply a vast range of sustainable precast products to every sector of the construction...

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• Flexible jointed pipes Page 3-6 Perfect manhole Page 17 • Road gullies Page 18 • Communication boxes Page 21 • Demarcation chambers Page 22 • Catch-pit/silt trap chamber systems Page 23 • Pre-formed and sectional chamber systems Page 24 • Health and safety Page 25

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Flexible Jointed Pipes BS EN1916:2002 / BS 5911-1:2002 CPM offer an extensive range of precast concrete flexible jointed pipes from DN 225 to DN 1800 including bends, junctions and fittings. Pipe weights and dimensions Nominal size Approx weight of pipe Angular deflection Joint type Tabled dimensions are for guidance only. As these may vary, for accurate dimensions and weights contact the Technical Department. 1. All dimensions are approximate and may change during the lifetime of this catalogue due to the implementation of the Harmonised European Standard. 2. Joint rings and integral seals...

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Flexible Jointed Pipes BS EN1916:2002 / BS 5911-1:2002 Short length and rocker pipes To allow for any differential settlement between manhole and pipeline, short lengths of either spigot/socket butt pipes should be built into the manhole wall. A rocker pipe should then be laid connecting the short spigot/socket butt pipe to the incoming/outgoing pipe run, thereby incorporating a flexible joint close to the manhole. Rocker pipes (joint both ends) Short length pipes (spigot or socket butts) Nominal size Effective length Nominal size Effective length Junctions Branches can be made from...

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Flexible Jointed Pipes BS EN1916:2002 / BS 5911-1:2002 Ovoid flexible jointed pipes CPM offer a range of flexible jointed ovoid pipes for use in both foul and surface water applications. The ovoid pipe is designed, manufactured and tested in accordance with the requirements of the European Standard (Class 150). The ovoid pipe has better velocity characteristics at low flows than equivalent circular pipes, which provides: Lower operating costs Better self cleansing velocity and therefore less risk of siltation and blockage Reduced costs of trench excavation resulting from shallower gradients...

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Flexible Jointed Pipes BS EN1916:2002 / BS 5911-1:2002 Jointing 1. Correctly position and bed the first pipe. Prepare the bedding for the second pipe and hollow out for incoming spigot to prevent bedding material entering the joint. 2. Ensure the joint ring is of the correct size and the spigot and socket are clean and undamaged. 3. Ensure the joint ring is not twisted, is correctly located on the spigot and is the right way round. 4. Lubricants must not be used where ‘G’ and Lamell rings are supplied. Lubrication is required with the ‘Integral’ joint (use of CPM lubricant is recommended)....

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Chamber Rings Available depth of section Tongue and groove joint Approx weight /m - depth kg Approx wall thickness mm DN 3660, 4000 are not covered by the British Standard, but comply with all the relevant provisions of BS EN 1917 / 5911-3:2010. DN4000 is supplied in 2 halves. Manhole chamber sections are supplied with three nominal 50mm diameter holes for lifting purposes: 2. When offloaded they should never be stored on their side (on the roll), but should always be laid flat. Chamber sections can be supplied: 3. Lorries with crane offload facilities are available for manhole units up to...

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Soakaway units Standard sections can be perforated with 75mm diameter holes for use as soakaways, providing a minimum area of exfiltration of 50,000mm² per metre of nominal diameter per metre of depth. Chamber section Standard number of perforations per section Rectangular manholes CPM Group produce a rectangular manhole unit with a tongue and groove joint to the above standard. Top flange 1200x675 Bottom flange 1200x750 Top flange 1200x675 Bottom flange 1200x750 Cover (heavy duty) Cover (light duty) Chamber Chamber Manhole section Note: For rectangular manholes use 12mm x 60mm sealant...

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Cover slabs Standard access sizes (mm) 600x600 To order* To order* To order* To order* To order* To order* To order* All slabs detailed are Type 2. Weights available on request as they are dependent on the access size. For details of access position, contact the technical department. DN3660 and DN4000 cover slabs can be supplied in 2 or 3 sections dependent on the opening required. All accesses have 75 x 75 corner chamfers. All cover slabs are ‘heavy duty’ and are suitable for use in main roads. Landing slabs Landing slabs to suit DN 1500 chamber sections and above are manufactured with a...

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Special cover slabs A wide range of special cover slabs to customer’s specifications can be manufactured to order. Typical examples of special cover slabs supplied are: Slabs up to 18 metre diameter For pumping stations incorporating davits rebates and surface boxes Extra heavy duty slabs for airports and ports Extra large accesses Slabs designed to comply with Highways Agency Specifications Multiple accesses Non-circular slabs Slabs with customers own reinforcement design Scottish Water seating slab Special seating slabs 1125 x 1125 x 150mm thick, to comply with Scottish Water Services...

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House inspection chambers CPM offers a range of precast concrete inspection chambers in a variety of depths, with tongue and groove joints. Units can be supplied palletised as detailed in the tables on weights and dimensions. (Also available banded) The chambers, which are economic and versatile to meet the demands of domestic drainage installation, are easily handled and excavation below ground level is reduced to a minimum. Chamber Section Chamber sections weights and dimensions Internal dimensions of chamber sections Wall thickness Palletisation details weight approx CPM house inspection...

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