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Underground Drainage Piping Installation Method Statement. This Method Statement covers the installation of uPVC and HDPE pipes for use with the underground and substructure drainage piping systems.
The objective of this method statement is to establish the necessary guidelines for the installation of underground drainage in accordance with the contract requirements. This method Statement shall ensure that the installation of underground drainage is executed safely and in accordance with the contract requirements.
This method statement is applicable for all drainage pipe works underground, above ground, horizontal and vertical drainage piping for any kind of the project as specified in project specification.
The purpose of this plumbing method statement is to describe the methodology for underground laying of UPVC pipes as per the contract specifications and approved drawings, including the backfilling for the site facilities and to detail the steps to be taken to meet the quality and HSE requirements of the project.
Pipes may be delivered nested (i.e. one or more small pipes inside a larger pipe). Special handling procedures must be followed when handling and de-nesting such pipe loads.
This mechanical method statement covers the excavation, installation, jointing and backfilling of underground coated carbon steel piping. The pressure testing of all steel piping system will be conducted in accordance with applicable Hydrostatic Test Procedure.
Before Installation, all pipes and fittings shall be checked for defects. Prior to laying the pipe, cut it exact to a length as per drawing, de-burr the edges and clean the ends. Position the pipe in the excavated trench at the given / required level as per approved construction drawing and verify it with levelling instrument. Lubricate the ...
