KMC/WS/GRWW/WTP-III/01/2020-21

Amount

Supply of E.R.W.M.S.(Electrical Resistant Welded M.S.) black pipe of TATA make (heavy quality) as per standard specification, 5 mm thick . 100nn dia(internal)

Supply of E.R.W.M.S.(Electrical Resistant Welded M.S.) black pipe of TATA make (heavy quality) as per standard specification, 5 mm thick . 150nn dia(internal)

Supply of E.R.W.M.S.(Electrical Resistant Welded M.S.) black pipe of TATA make (heavy quality) as per standard specification, 5 mm thick . 250nn dia(internal)

Cutting to requisite length or shape departmental R.S. joists, channels, angles, tees, plates etc. (Payment to be made on area of cut surface)

Welding in M.S. structural work with gas or electric: (a) Tack weld

Welding in M.S. structural work with gas or electric: (b) Continuous weld.

Ordinary cement concrete (mix 1:1.5:3 ) with graded stone chips ( 20 mm nominal size) excluding shuttering and reinforcement, if any, in ground floor as per relevant IS codes

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction.(a) For works in foundation and upto roof of ground floor/upto 4 m.(i)

Supply of M.S. Flange (slipper type) as per IS-6392 TABLE 17 Thickness -20mm -22mm, NB Diameter in mm 100

Supply of M.S. Flange (slipper type) as per IS-6392 TABLE 17 Thickness -20mm -22mm, NB Diameter in mm 150

Supply of M.S. Flange (slipper type) as per IS-6392 TABLE 17 Thickness -20mm -22mm, NB Diameter in mm250

Supply of M.S. blank Flange as per IS-6392 TABLE 20for 50mm to size & for 200mm & above as IS-6392 table-14 Thickness -20mm -22mm, NB Diameter in mm 100

Flange joint to C.l./D.l/MS. pipes and specials including supply of rubber gasket. nuts. bolts. washers etc. of best quality to make the joint watertight at required hydraulic pressure all complete as per specification & direction of the Engineer-in-Charge. Diameter in mm 100mm dia.

Flange joint to C.l./D.l/MS. pipes and specials including supply of rubber gasket. nuts. bolts. washers etc. of best quality to make the joint watertight at required hydraulic pressure all complete as per specification & direction of the Engineer-in-Charge. Diameter in mm 150mm dia.

Flange joint to C.l./D.l/MS. pipes and specials including supply of rubber gasket. nuts. bolts. washers etc. of best quality to make the joint watertight at required hydraulic pressure all complete as per specification & direction of the Engineer-in-Charge. Diameter in mm 250mm dia.

Ductile iron double flanged manually operated sluice valve generally conforming to IS : 14846, having body, door, dome, gland in graded ductile iron to IS 1865, four faces and spindle nut of gun metal to IS : 318, inside screw non- rising stainless steel AISI-410 spindle valves suitable formaximum working pressure of 10 kg/cm² and body tested 15 kg/cm², flanges flat faced and drilled to IS: 1538 :1993. Valves tested by closed end method only. 350mm and above valves are complete with enclosed gear box with anti friction device. Diameter in mm 100

Ductile iron double flanged manually operated sluice valve generally conforming to IS : 14846, having body, door, dome, gland in graded ductile iron to IS 1865, four faces and spindle nut of gun metal to IS : 318, inside screw non- rising stainless steel AISI-410 spindle valves suitable formaximum working pressure of 10 kg/cm² and body tested 15 kg/cm², flanges flat faced and drilled to IS: 1538 :1993. Valves tested by closed end method only. 350mm and above valves are complete with enclosed gear box with anti friction device. Diameter in mm 150

Ductile iron double flanged manually operated sluice valve generally conforming to IS : 14846, having body, door, dome, gland in graded ductile iron to IS 1865, four faces and spindle nut of gun metal to IS : 318, inside screw non- rising stainless steel AISI-410 spindle valves suitable formaximum working pressure of 10 kg/cm² and body tested 15 kg/cm², flanges flat faced and drilled to IS: 1538 :1993. Valves tested by closed end method only. 350mm and above valves are complete with enclosed gear box with anti friction device. Diameter in mm 250

Cast iron double flanged single door swing Non-Return Valve generally conforming to IS 14846 having body, door cover in graded cast iron to IS 210 Gr. FG 200, body and door rings and bearing block of leaded tin bronze to I.S 318 Gr. LTB 2, hinge pin of ST AISI410 valves suitable for maximum working pressure of 10 kg/cm² and body tested 15 kg/cm². Diameter in mm 150

Clearing compound premises of shrubs, plants, jungles etc. by cutting and removing as directed (Specific permission of Engineer-in-Charge prior to execution will be necessary).

Application of two coats of Epoxy primer as per BS 5493 by brush on the cleaned dry concrete surface with epoxy resin primer with reactive suitable hardener mixture as per specification and direction of EIC all complete. [This item will be operated on prior permission from the concerned SE/Dy Chief Engineer]

Holding down bolt with nut including 100 x 100 x 6 mm plate washer at bottom fitted complete and packing the hole with cement concreteor cement grout as directed. (ii) 20 mm dia bolt. (a) 300 mm long

Dewatering by pumps including all leads, lifts and making all arrangements of disposal. where continuous flow of water from a source other than natural or ground water is encountered in case of emergency maintenance works related to leakage. breakage and making wet connections. [Note ;- In case of any other situation demanding such emergency dewatering. Use of this item is to be approved by the Superintending Engineer/Tender Accepting Authority. This item shall be executed on the specific direction duly supported by proper clarification of the E.I.C. who will be satisfied in absolute discretion that such work has not been necessitated due to any natural source of water or any fault of the Contractor]

PATHAK ENGINEERING CORPORATION

SANJIB GHOSH