5. Gas Meter Box Installation
Requirements
Figure 23 Nib Wall
5.2 Gas Meter Box Mounted on Walls
• Constructed of masonry
•
cladding
5.2.1 Gas Meter Boxes on Nib Walls (Recommended Alternative Gas
Meter Box Position)
A nib wall is a term used in construction processes for a short section of wall that protrudes
out at 90 degrees and adjoins the main building.
Refer to Section 5.2.3 for service riser and footing requirements.
Nib walls are the preferred installation method where no other acceptable gas meter
box locations exist or where the line of service cannot be connected due to obstructions.
5.2.2 Gas Meter Boxes on Free Standing Walls
Figure 24 is only to be used to assess brick wall pillars with a view to reducing safety risks
for AGA’s employees and contractors (AGA personnel) when working on or near such pillars
(including in relation to laying, connecting, disconnecting, repairing or maintaining gas service
pipes, gas meters or other service apparatus). AGA personnel are generally instructed not to
work on or near brick wall pillars that do not meet the minimum requirements in this diagram.
Figure 24 is not for any other use.
Refer to Section 5.2.3 for service riser and footing requirements.
Where possible free standing walls should be avoided and nib walls used. Refer to Section 5.2.2.
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