Foundation Details SOIL (150mm) TIMBER SUPPORT POST CONCRETE pg 3 of 9 REF: CH136 - TIMBER CRAWL TUNNEL...
Page 4
Construct the assembly BEFORE laying concrete steps Bolt TCT1 & TCT2 Timbers together Using M12 200 cup square hex *DO NOT fully tighten the nuts Repeat the process for the remaing timbers pg 4 of 9 REF: CH136 - TIMBER CRAWL TUNNEL...
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Assembly Instructions Fit support ring & hex floor at either end of the tunnel Using M12 130 cup square hex The support ring will overhang the timber 10mm pg 5 of 9 REF: CH136 - TIMBER CRAWL TUNNEL...
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If the holes do not line up the central TCT1 & TCT2 assem- bly may need to be rotated Having ensured all the holes line up tighten all bolts / nuts for the TCT1&TCT2 timbers, Support rings and hex floor pg 6 of 9 REF: CH136 - TIMBER CRAWL TUNNEL...
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REVISED 05.02.13 - T3 & T4 timber slats OVERHANG the METAL RING 10mm support ring T3 Timber-6 hole torktainer Attach ‘T3 timber - 6 hole’ torktainer nut to the support ring Using torktainers pg 7 of 9 REF: CH136 - TIMBER CRAWL TUNNEL...
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Repeat the process for the 2nd ‘T3 timber - 6 hole’ *The main assembly is now complete - concrete foundations can now be laid Using torktainers attach the ‘T4 timber - 3 holes’ to the support rings pg 8 of 9 REF: CH136 - TIMBER CRAWL TUNNEL...
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