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[24 Jan 2017 | No Comment | ]

Penetrations through decks affect the structural integrity, and therefore must be suitably braced, dependant on opening size. 1 – Small penetrations, through the bottom trough, can be accommodated without any additional support. Multiple penetrations must be spaced at 1500 mm minimum centres.  Note: no part of the web, or crown, can be removed without additional […]