PE Pipe laying

High quality Polyethylene Pipes & HDPE Pipes technical guidance

Is PE pipe suitable for new supply or collection networks?

Yes. PE pipe is ideally suited for new supply networks. Applications in which PE pipe is widely used by our customers include: Gas mains distribution networks Gas service supply pipes Water mains distribution systems Water service supply pipes Gravity sewer and drain networks Pumped sewer mains Irrigation systems Industrial and process pipework Below Ground For below ground applications, for example gas and water distribution mains and gravity and pumped sewer mains, the use of PE has...

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Can PE pipe be used for replacement or rehabilitation of existing pipe networks?

Yes, The strength and flexibility of PE make it the preferred material by our customers for replacement and rehabilitation of existing pipe networks. Replacement of existing pipe networks in open trench can be carried out in a similar manner to the installation of new networks. There is a wide range of trenchless or minimum excavation techniques that can be employed that are suitable for the rehabilitation of existing networks. Some of the techniques that can be employed are: Pipe bursting or...

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Is any special equipment needed to lay PE pipe?

No special equipment is required by our customers for the laying of PE pipe when compared with other pipeline materials. Pipe diameters up to 200mm can generally be laid using manual techniques, depending on pipe lengths, so it is possible that some lifting plant may be eliminated from site operations. Pipe supplied in coils is installed directly from the coil and where possible coil dispensers should be used. Care should be taken when cutting the bands securing PE coils and reference should be...

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What are the bedding requirements for PE pipe?

Customers normally advise that trench bottoms should be excavated to provide a reasonably even bed along the pipe length and free of sharp stones or other objects that could damage the pipe. Sand for pipe bedding should be used where possible and soil containing sharp, angular gravel or cobbles should not be used for bedding of PE pipe. The depth of the trench should be suitable to provide the required cover when reinstated. PE pipes having a protective outer sheath (multi-layer) may be laid in...

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What levels of productivity can be achieved in PE pipe installation?

PE can normally be installed much more quickly than most other pipe materials. The productivity of laying PE, from excavation to reinstatement and commissioning, depends on a number of factors; environment (urban or rural), ground type and condition, surface reinstatement (road or unpaved), etc. The most important influence is the installation technique employed;trenchless techniques and chain trenching in particular can increase productivity significantly. Factors that improve productivity...

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How can I verify details of the pipes and fittings that have been installed?

Good Quality Assurance by the contractor is necessary to achieve this. The contractor should record location of pipes to provide suitable location in the future and this should be carried out in accordance with the operator's or contractor's QA system. Normal practice is to record the location on maps and this is now made easier with GPS systems. Although it may not be necessary to record details of individual pipe lengths, other than diameter and PN rating, it may be beneficial to record joint...

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Members of the Association

BOREALISBOROUGEINEOS O&PIRPCKorea Petrochemical IND. Co., LTDLyondellBasellPetroChina Dushanzi Petrochemical CompanyPRIME POLYMERSABICSCG Chemicals & Thai PolyethyleneSinopecTASNEE
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