1. To provide breeching inlet pipe opening at staircase side wall complete with collar
flange for water tighness , routing and opening location to refer detail
2. To concel fire protectiong breeching inlet cabinet with brickwork
compartment to follow detail drawing, brickwork to flush face of cabinet
3. To extend LG level Genset room B079 exhaust pipe from gridline 8D to
external most brickwall
4. To extend LG level Genset room B079 Aluminium weather louver from gridline 8D to
external most brickwall
This