Description: Removal shifting re installation of valves and maintenance of joints at HWPK Site during MTA 2025 Name of Work Removal shifting re installation of valves and joint maintenance at HWPK site during MTA 2025
Details: Removal & Installation of Double disc gate valves from pipe lines and maintenance of joint of pipe line after dropping of valves:Removal & Installation of Valves from pipelines, shifting to & from maintenance bay. Maintenance of joint of pipe lines including cleaning of fasteners & faces , lapping of faces, replacement of gaskets, torquing etc. Up to 2" NB 300# 3" NB 300#/400# 4" NB300#/400# 6" NB 300# 8" NB 300#/400# 10"NB 300#/400# 12" NB 300#/400# 14" NB 300#/400# 16" NB 300#/400# 18" NB 300#/400# Providing temporary scaffolding including supply of material and man power by using 1-1/2" thick 6" wide wooden planks(seasoned & non-warping type)properly secured with the horizontal members (scaffolding pipe 40NB preferably)by using binding wire & maintaining plank overhang projection not more than 50 mm beyond its horizontal supports.Any scaffolding such prepared must conform to IS-3696-1966 and shall be subjected to check by HWP (K) safety group, before declaring it as fit for
Sector: Water Resource Department