1
2
Assembly Instructions
REF: CH136 - TIMBER CRAWL TUNNEL
pg 4 of 9
Repeat the process for the remaing timbers
Bolt TCT1 & TCT2
Timbers together
Using M12 200 cup square hex
*DO NOT fully
tighten the nuts
Construct the assembly BEFORE laying concrete
1
7
to
steps
T1
T2
T2