Information
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Document No.
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Audit Title
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Client / Site
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Conducted on
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Prepared by
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Location
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Personnel
Audit Information
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Transmission Services Gas
UK MDG Transmission Services Gas
Project Health and Safety Inspection Checklist -
To be completed by Project Supervisor or Nominated person weekly from the start of construction work on site. Completed forms are to be kept readily available (preferably on site) for the duration of construction works, after which time shall form part of the CDM Health & Safety file.
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Contract No:
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Project Title:
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Week No.
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Date
Bedding, Padding and Backfill
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Any H&S actions identified shall be entered onto Audit/Inspection Action Log and brought to the urgent attention of the appropriate personnel as soon as possible. Contractor/Project Manager to be notified of actions required/taken.
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S = Satisfactory, U = Unsatisfactory, O = Observation, NA = Not Applicable
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Have approved RAMS/ Procedures been issued to the crews? Do the Procedures / Method Statement address the scope of works and are all operatives adhering to the requirements?
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Have roles and responsibilities been defined and competence assessed?
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Has National Grid verified that the trench profile (line and level) is consistent with the temporary works design prior to bedding and backfill?
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Does the selected backfill material meet contract requirements?
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Have areas of clay or stoney ground been broken up adequately? If on stoney ground, has a bed of earth/sand/other suitable material been placed beneath the pipe to a minimum depth of 150mm.
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How is water removed during backfilling? Were measures to remove water during backfilling in accordance with the method statement?
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Who verifies that the pipe is centralised and sitting smoothly?
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Has pipe bedding been compacted by hand? Is bedding in 150mm layers?
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Does backfill method prevent voids?
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How are impact and abrasion effects on the pipe minimised?
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Who carries out inspection of the backfilling?
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How are layers of differing soils returned to the trench?
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Is compaction reduced in areas of soft clay and silt?
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Is backfill brought up sufficiently evenly on each side and along the length of the pipework?
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What is the minimum pipe cover in all sections? (Min 1.2 m for Gas and a minimum even cover over drainage of; 900mm or 1200 for trafficked areas?)
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How are river crossings and ditches backfilled?
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Have different layers of soils been returned to the trench in accordance with the method statement?
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Have the requirements of the E.A. and the Internal Drainage Board been complied with?
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Have pre-cast reinforced concrete slabs been placed along the pipe from bank to bank for crossings?
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Has river reinstatement been carried in accordance with E.A. requirements?
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Have tracks and footpaths been reinstated in accordance with owner requirements?
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Have land drains been reinstated and backfilled as required?
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What happens to surplus or unsuitable material (EP Act 1990)?
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Were the backfilling activities inspected and are inspection records being generated?
Signature
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Auditor's Signature
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Project Manager's Signature
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Date
