Shifting of distribution system and installation of FHTC damage due to widening of PWD road at Niz Garubandha PWSS under SOPD-G for the year 2025-26

Providing, laying, jointing, testing and commissioning of ISI marked PE 63 Grade, PN6 pressure rating High Density Polyethylene (HDPE) pipes suitable for drinking water supply conforming to IS:4984-2016 (with up to date & latest ammenments at the time of execution) from Manufacturer Store including providing all necessary specials viz., bend, tee, enlarger/reducer, end plug etc. (matching with the prescribe Grade & Pressure rating same as to that of pipe) and including transportation of the pipes & specials upto work site including handling charges; lowering and laying of pipes & specials in line and level in trenches and/ or over supports ( minimum cover of pipe in trenches shall be 1 meter); Jointing of pipes & required specials etc. by fusion welding; construction of required valve chamber and, hydraulic testing of the same (both pipes & specials), including providing all necessary labour & equipment etc., all complete, as directed and specified. 110 mm dia Pipe

90 mm dia Pipe

75 mm dia Pipe

63 mm dia Pipe

Providing Functional Household Tap connection including earthwork in excavation for pipe line (both for connection in distribution line and service connection) and refillling, dressing etc., providing PVC/ HDPE Saddle Piece of average size 110 mm x 15mm(i.e. ranging from 63mm to 160mm), making holes in the distribution pipe, providing 15mm dia bronze ferrule cock (PN-16) conforming to IS:2692 (1989) as ammended from time to time / Flow control valve of SS316 with flow of 3 LPM at standard operating pressure of 0.5 bar to 1.5 bar of minimum weight 125gm, connecting it to the saddle piece, providing and fixing 3 layer (Outer green / GREY coloured middle black coloured UV Stabilised and innermost layer white coloured with antimicrobial property) Fusion welded PP-R ( Poly propylene- random copolymer) Pipes, SDR 7.4 having thermal stability for hot and cold water supply conforming IS 15801-2008 of average length 10m from saddle piece to the standpost ( pipes of make empanelled manufacturers and PN-16 Pipe, 20mm OD, SDR-7.4) including all plain PP-R fittings and brass threaded PP-R fitting and clamping, cutting and making good to the damages, including all taxes and duties as applicable and including the cost of all required labour and materials as directed and specified. The item also includes construction and installation pf R.C.C Hydrant Pillar with cement concrete in proportion 1:2:4 sheathed in SWR pipe of dia 100mm height 1200 mm encasing 15mm dia PPR pipe inside the hydrant, inclusive of cost of transportation to site and also supplying fitting and fixing PVC Bib cock all complete as directed and specified. Approved good for construction drawing will be issued by the deptt.