NIeT- 16 OF 2025-2026

Supplying and laying of PE100, PN-6 different dia HDPE pipe as per IS Code-4984/1995 below ground to maximum depth of 3m by Horizontal direction drilling (HDD) & pulling pipes with puller head using & hiring of HDD machine/ micro tunneling machine including design & construction of necessary driving pit, intermediate pit & reciving pit at site. All the necessary action like Drilling then remaing 10", 12". Reamining for HDPE pipe using bentonite & polymer mixture as per requirement along with pipe jointing by Butt Fusion welding hydraulic machine at site. The rate is inclusive of labour and materials, Third party inspection charges, cleaning, removal of soil & dressing etc. all type of necessary charges, contractor's profit required to completethe work in all respect as per direction and satisfaction of EIC. Note:- Rate inclusive of all taxes, GST & Cess. i) 110mm dia. (OD)

Supply and delivery of CIDF sluice valve (Special type) PW-1.00 of different dia make with CI double flanged non rusting spindle sluice valves conforming to IS 14846 -2000 with latest emended having body dome/bonnet and cover of C.I.Gr-F.G 210mtr. spindle of IS-6603 G.R- 12/Gr-13 non-magnetic, nuts seat rings are of Gunonetal as per IS:318 LTB-2 flanges and drilled to IS:1538 Part IV & VI valves are suitable for max. working pressure of 10kg/cm2(seat test) and body tested to 15kg/cm2. N.B: The above item should be procured from the reputed manufactures as per deptt. approved vender list Sluice valve :- i) 100mm dia. (PN10)

Supply of CI/DI sluice valve (80mm dia to 1200mm dia.) for PHE service for mechanical joint / Tyton joints as per current relevant IS Code under New Town Kolkata P.H.E. Dte. Air valve :- i) 100mm dia. (PN10)

Construction of different dia Sluice valve /Air valve /Washout chamber in different sizes for village road where light traffic run and for main road where heavy traffic run as deptt.approved drawing with 25cm thick brick work (1:6) over cement concrete (4:2:1) over a single B/F soling over150mm.thick sand filling in foundation including earth work in excavation and disposal of excess earth from work site with RCC (1:1.5:3) cover slab 100mm / 150mm thick slab on top of chamber with 1% reinforcement in RCC cover slab withn ecessary opening for operation of valve all complete including cost of labour & materials as per Departmental Dwg. [Reinforcement type:- Other manufactuerers not specified] i) 100 mm dia.

Cost of M.S pipe welded pipe in Bare condition as per IS : 3589-2002, Gr- Fe410, per Meter length pf Different diameter and thickness including cost of loading, unloading, and freight charges @1480 KM from factory to delivery at site, excluding GST and Cess. i) 80 mm dia. (8 mm thick)

ii) 150 mm dia. (10 mm thick)

Lowring MS pipe and Specials in trench upto a depth of 3.0 meter below GL, laying and jointing the same inside the trench / Over ground by means of Granty / Hydra and field joint by means of Electric arc welding using standerd Electrodes per IS specification etc. all complete i) 80 mm dia (internal) (8 mm thick)

ii) 150 mm dia. (10 mm thick)

Gas cutting of M.S. pipes or M.S. plates of different thickness all complete as per specification and direction of EIC. Thikness in mm (b) 10 mm thick plate

Field welding of machined ends of pieces of M.S. pipes and specials for laying the same inside trench / over ground by means of electric arc welding as per relevant IS specification using standard electrodes including edge preparation and charges of deploy ment of electric generator set with fuel, lubricant and all other tools and plants all complete as per specification and direction of EIC Throat thickness in mm (b) 10 mm (3.0 run consolidated rate)