House Drainage System - SlideShare
Know MoreMar 10, 2016· Nahni Trap 18 Gully Trap • A Gully trap or gully is provided at a junction of a roof drain and other drain coming from kitchen or bathroom As shown in figure below the foul sullage shall enter through the side inlet which is also called as back inlet and unfoul rain water shall enter from the top which is covered with cast iron grating...
GENERAL SPECIFICATION FOR PLUMBING AND DRAINAGE ,
Know MoreDrainage Installation in Government Buildings of the Hong Kong Special Administrative Region (HKSAR) The present edition (incorporating Corrigendum No GSPD01-2012) of this General Specification was developed based on its 2012 edition by the Plumbing and , A432 Size of As-built ,...