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Clause 6.1 General Clause 6.2 Structural Works Clause 6.3 SS Door Clause 6.4 Peacetime Requirement of Ventilation Sleeves Clause 6.5 Commissioning Requirements

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Clause 6.4 Peacetime Requirement of Ventilation Sleeves

TRSS 2021

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For ventilation purposes during peacetime, at least 25% of total area of the two ventilation sleeve openings in the SS walls shall be kept uncovered.

In the case of S/C SS and scissor S/C SS, all ventilation sleeve openings shall be fully closed.