SPECIAL REPAIRS TO CI/DI/GI WATER SUPPLY PIPE LINES AND ITS CONNECTED ITEMS AT OLD AND NEW NAVY NAGAR UNDER GE (NW) NAVY NAGAR, COLABA, MUMBAI

M & L cement concrete 1:2:4, type B-2 (using 40 mm graded stone aggregate) as, foundation and on road cutting hardstanding finishing even and smooth without using extra cement all as specified.

Cutting/demolition of cement concrete(un reinforced) /bitumen road n.exc 15 cm thickness (below or above ground level) and remove debris out side MD land all as specified

Supply and laying in replacement 300 mm bore spigot and socket ductile iron water tubing,class K-9,cement mortar lining on inner surface and one coat of bituminous paint over exposed surface ISI marked, IS No. 8329: 2000, including rubber joint of suitable size laid on roof/floor/trenches with proper alignment as per site requirement and carryout testing against leakage before filling the trenches etc complete all as specified and directed by Engr-in-Charge

All as per item No 3 but size 150 mm bore

All as per item No 3 but size 100 mm bore

Supply & fix in replacement sluice valve 150 mm size both ends flanged with high tensile stainless steel spindle, I body as per IS-14846, ISI Marked,PN-1.6 including all joints with rubber or fibre board, nuts, bolts, washers complete all as specified and directed.

Supply & fix in replacement sluice valve 100mm size both ends flanged with high tensile stainless brass spindle, I body as per IS-14846, ISI Marked,PN-1.6 including all joints with rubber or fibre board, nuts, bolts, washers complete all as specified and directed.

Supply & fix in replacement sluice valve 300 mm size both ends flanged with high tensile stainless steel spindle, I body as per IS-14846, ISI Marked,PN-1.6 including all joints with rubber or fibre board, nuts, bolts, washers complete all as specified and directed.

Supply and fixing in repair/ replacement of 40 mm dia internal steel water tubing, galvanised, Medium grade with all fittings such as nipple, union, socket, elbow, bends, fixed to wall including work to be done up to 15 th floor in high rise buildings in short piece/length, including breaking the existing brick wall for replacement of corroded GI pipe in/ on wall including concealed pipe and making good the disturbed surfaces to match previous structure with complete all as specified and directed by Engineer-in-charge.

All as per item No 9 but size 50 mm dia