UNDERGROUND CONSTRUCTION
CHANNELS, JOINT BOX No. 5

Single cover manhole frame used on junction manholes.

Consists of:-
1 x Channels, Joint Box No. 5.
1 x Covers, Joint Box No.5.

Size - 2' 4.25" x 2' 4.25".

Cover marking changed from "Post Office" to "PO" in 1972.
Cover marking changed from "PO" to "BT" in 1982.

 

Cover, Joint Box No. 5 with Ventilator

Cast Iron framed concrete   2' 3.75" x 2' 3.75"

 

Cover, Joint Box No. 5 with Ventilator components exposed

 

 
 
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Last revised: July 09, 2022

FM2