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

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Clause 6.3 HS Door

TRHS 2023

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The following shall be observed:

a. Allowing an opening in the HS wall and later erecting the HS door frame and door leaf in this opening, followed by casting concrete around it is not permitted.

b. When casting the HS wall with HS door frame, a dummy door leaf of adequate design shall be placed to ensure the stability and prevent the bending, warping or displacement of the HS door frame during concreting.

c. The FFL of the floor slab outside the HS shall be done such that the HS door can be opened adequately for the peacetime use of the HS.

d. Modification of door frame, cutting of door frame stiffener for ease of installing is not permitted.