NIT No. 9 item No. 1

Supply & Fixing of Air Valve at following Location: a). Rising main emanating from Najafgarh SPS (Near Drain): 1 No b). Rising Main emanating from Sector 16 SPS( inside SPS) : 2 Nos c). Rising Main emanating from sector 24 SPS ( In DDA Park, in open field area , In SPS) : 4 Nos:- Supply of 150 mm dia. M.S. Pipe fabricated out of 8 mm thick M.S. plate painted with anticorrosive bituminious paint

Supply of 150 mm dia. M.S. flange 10 mm thick painted with anticorrosive bituminious paint .Flanges to be drilled as per IS:1538 Part-IV & VI.

Supply of 150 mm Non-rising sluice valve.cast iron double flanged manually operated sluice valve generally conform to IS:14846 having body, door, dome, gland in graded cast iron to IS:210, Gr.Fg.-260 four faces spindle nut of gun metal, inside screwed nonrising stainless steel AISI:410 spindle. Valves of size 350mmø and above will be with BTB and gear box arrangement for ease in operation. Flanges to be drilled as per IS:1538 Part-IV & VI. Valves are suitable for hydrostatic test pressure of 10Kg./Cm2 for seat and 15Kg./Cm2 for body(PN-1 rating) Make: IVC/VAG/Kirloskar/Dorot/Jupitor/Marck/DJB Approved make

Supply of COMBINATION AUTOMATIC AIR VALVE - SINGLE CHAMBER TYPE Air valve for clean, cold potable water up to 50°CPN 1.0 Single-chamber valve - automatic operation with water. Two-orifice venting system with 3 functions (supply and release of air as well as automatic venting during operation) Flange connection dimensions to EN 1092 / IS 1538 Table 4 & 6 Body and Cover made of Ductile Iron IS 1865 Gr. 400 / 15 Inner parts made of stainless steel grade 304 Seal made of EPDM Corrosion protection: Inside and outside with epoxy coating; thickness >250 μm, Make: IVC/VAG/Kirloskar/Dorot/Jupitor/Marck/DJB Approved make

Job Work-Hiring of DG set of 30 KVA capacity as per site requirement with diesel and operator.

Dewatering of line with the help of submersible pumps of suitable capacity as per site requirement.

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge. 2.6.1 All kinds of soil

Replacement of Air Valve & Sluice Valve by dismentling of Existing Air Valve & Sluice Valve , cutiing of old/worn out nut bolts etc.. Fixing of the New Air Valve & Sluice Valve in the rising main . The cost of Nut Bolts & rubber Gasket is incleded in the this job. Complete testing & Commissioning of the Air Valve & Sluice Valve

Fixing of New Air Valve & Sluice Valve by cutting of MS Pipe & fixing of 150 mm dia MS Pipe. Welding of Flange on the MS Pipe. Fixing of Air Valve & Sluice Valve on the rising main. The cost of Nut bolts & rubber gasket is included in this job. Cutting, welding etc is also included.Complete testing & Commissioning of the Air Valve & Sluice Valve

VIRENDER CONSTRUCTION COMPANY