GAS REFERENCE PACKAGE (NOW the ONSITE GUIDE)
This is now available as a Free Mobile App, search your app store for GB Gas Onsite Guide.
Apple Storeor
Android Store
2026 ONSITE GUIDE UPDATE
This is an update for tightness testing allowable drops, to print and add into your onsite guide. The information reflects the changes for October 2026 for IGEUP1B, The institute of engineers and managers, domestic gas document. This update will be in the newest update of the on site guide.
BOILER MANUALS 1
Download boiler manuals. This is from a third party site that in no way is endorsed by gb-gas.co.uk ...it is an excellent resource.
BOILER MANUALS 2
Download boiler manuals. This is from a third party site that in no way is endorsed by gb-gas.co.uk ...it is an excellent resource.
SERVICE CHECKLIST
Click on the document to receive a free servicing check list previous downloaders have laminated this for their van or tool box, as a reminder when conducting services infrequently. Others use this as a customer checklist and supply the finished form to the customer at the end of each service.
Pipe Sizing Worksheet
Generic work sheet for Pipe Sizing.
New Worksheet for IV/PV and leakage rates
Table Method for IV/PV Sizing and leakage rates for 2026 IGEUP1B
New Worksheet for IV/PV and leakage rates
Table Method for looking up the purge volume for the main run pipework. All branch lines should be purged light and detect method.
Copper Pipe Sizing Charts Natural Gas
Detailed Copper Pipe resistance Charts for use in pipe-sizing.
Steel Pipe Sizing Charts Natural Gas
Detailed Copper Pipe resistance Charts for use in pipe-sizing.
PE Pipe Sizing Charts Natural Gas
Detailed Poly Pipe resistance Charts for use in pipe-sizing.
Copper Pipe Sizing Charts Propane
Detailed Copper Pipe resistance Charts for use in pipe-sizing.
Steel Pipe Sizing Charts Propane
Detailed Steel Pipe resistance Charts for use in pipe-sizing.
Copper Pipe Sizing Charts Butane Gas
Detailed Copper Pipe resistance Charts for use in pipe-sizing.
Steel Pipe Sizing Charts Butane Gas
Detailed Steel Pipe resistance Charts for use in pipe-sizing.
Copper Pipe Sizing Charts for 100% Hydrogen Gas (Hydrogen Ready)
Detailed Copper Pipe resistance Charts for use in pipe-sizing.
Steel Pipe Sizing Charts for 100% Hydrogen Gas (Hydrogen Ready)
Detailed Copper Pipe resistance Charts for use in pipe-sizing.
PE Pipe Sizing Charts for 100% Hydrogen Gas (Hydrogen Ready)
Detailed Poly Pipe resistance Charts for use in pipe-sizing.
Unsafe Situations Procedure IGEM 11 ED 2
Unsafe situations document, formally TB001 from the Institute of Gas Engineers and Managers..
SERVICE CHECKLIST V2
This Version of the Servicing checklist is aimed at trainees. There is a little more information and it highlights the requirements of some tests that are not optional.
CATAGORY 2/3 Gas Foundation Job Record Sheet
For Catagory 2 and 3 Candidates who require to create a portfolio of work
Complete one of these forms for every appliance you work on to build up
and prove the amount of hours worked. Off the Job and On the Job
CATEGORY 2/3 Work Diary
This is a category 2/3 diary, fill in the diary on a daily basis and at the
end of your time it will fill in the amount of days you have worked on gas.