Visual Inspection - Natural Gas Systems

• Site conducted

  Select

• Conducted on

  Date

• Prepared by

• Location
  Address

• Yes

  No

  N/A

• Contract:

• Contract N:

• Sheet

  Yes

  No

  N/A

• Equipment/Area Ref.:

• Equipment N:

• Drawing N:

Item

• Inspection Details

  Yes

  No

  N/A

• Emergency control valve fitted at point of entry into building or on internal meter

  Yes

  No

  N/A

• Emergency control is fireproof with 2 seating surfaces? (Plug cock max size 50mm)

  Yes

  No

  N/A

• Emergency control label and all other necessary labels fitted

  Yes

  No

  N/A

• Pipework adequately supported throughout its length?

  Yes

  No

  N/A

• Pipework sizes as per drawing

  Yes

  No

  N/A

• Gas main 150mm min. from electric meters, fuses etc. and min. 25mm from cables

  Yes

  No

  N/A

• Pipework materials correct. i.e. lead, lead alloys or non-metallic materials not allowed

  Yes

  No

  N/A

• Compression joints easily accessible

  Yes

  No

  N/A

• Pipework welding done by qualified welders

  Yes

  No

  N/A

• Flexible connections installed as per IGE/UP/2

  Yes

  No

  N/A

• Pipework sleeves fitted (copper on copper or steel on steel) and fire stopping applied

  Yes

  No

  N/A

• Any fly screens removed from appliance ventilation grilles

  Yes

  No

  N/A

• Ventilation provided for all gas appliances – sizes checked by competent person

  Yes

  No

  N/A

• Ventilation provided where necessary for pipework in risers, voids, ceiling spaces etc

  Yes

  No

  N/A

• Space allowed round boilers for burner removal and servicing

  Yes

  No

  N/A

• Purge points fitted at end of runs & before section isolating valves (min size 25% of gas main being purged). Pressure test points fitted at section outlets and plant isolation valves

  Yes

  No

  N/A

• Boiler flues inspected and passed by competent person. NGB 477 signed off

  Yes

  No

  N/A

• Pipework painting complete (identification & labelling fitted to BS 1710)

  Yes

  No

  N/A

• External buried pipe depth shall be 750mm for roadways or grass verges, 600mm under paved areas (above 50mm diameter). 375mm for pipe not exceeding 50mm diameter

  Yes

  No

  N/A

• Gas pipes in a common trench to be 300mm clear of other services

  Yes

  No

  N/A

• Gas supply line diagram fitted adjacent gas meter (for gas supplies 50mm and above)

  Yes

  No

  N/A

• Main electrical cross bonding fitted within 600mm of customer side of meter

  Yes

  No

  N/A

• Site gas file fully completed

Inspected by:

• Witnessed by:

• (if required)

  Yes

  No

  N/A

• Signature:

  Sign

• Date:

  Date