Repairing and replacement of different type of valve of 400 mm for Pump No. 5 at Fulbari High Lift Pump House under Siliguri Comprehensive Water Supply Scheme.

Amount

Supply & delivery of Following item at Site:-

Cast Iron Double Flange Rising Spindle Sluice Valve generally confirming to IS 14846 having body door/dome/Bonnet and cover of cast Iron Gr FG 260, outside screen rising Spindle of IS 6603 Gr-12 cr-13, spindle nut & seat rings are Gunmetal as per 1S:318 LTB 2. Flanges flat faced and drilled to IS:1538 part IV & VI, Valves are suitable for maximum working pressure of 10/16 kg/sqcm (seat test) and body tested to 15/24 kg/sqcm 350 NB and above valves should be provided with enclosed gear box and antifriction device for ease of operation. All the valves should be tested by closed end method only. 400mm PN 1.0

Cast Iron Double Flange single door swing non-return valve generally conforming to IS:5312 Part-I, having body, door, cover in graded cast iron to IS:210 Gr. FG200, body and door ring & bearing block of leaded tin bronze to IS: 318 Gr. LTB 2 (350mm & above), hinge pin of st.st.AISI410, valve suitable for maximum working pressure of 10/16 kg/cm2 (Seat test) & body tested to 15/24 kg/sqcm. 400mm PN 1.6

Double flanged manually gear operated Cast Iron Butterfly Valve having body disc and end cover in graded cast Iron to IS 210 Gr. FG 200. synthetic rubber face ring secured on disc by a SS retaining ring with stainless steel screws, the rubber ring seating on a corresponding SS seat in bidy, stub shaft of AISI 431 riding in teflon bearing, valves suitable for a working pressure of 10/16 kg/sq cm (seat test) and body tested to15/24 kg/sqcm. Flanges drilled to IS 1538 Table 4&6. 400mm PN 1.6

Carriage charges of 4 Nos. 15HP Diesel engine driven Pump from vendor's workshop to site & back.

Hiring charges of 15 HP Diesel Engine driven Pump for emergency work. (4 Nos. For 2 Days.)

labour charges for operation of Diesel pump as & when required for 2 days. (Day/night) Considering 2 nos. Operator for 3 shifts.

Cost of diesel oil required for operation of Diesel pump as well as carriage diesel 2 Ltr/hr. For 2 days @ 24hr/day for 4 nos. m/c (Measurements will be taken as per actual consumption as per log.)

Dismantling of rising spindle by breaking the floor concrete & by dismantling of DM joints etc. & by taking out of old damaged sluice valve. The work to be carried out in night time by making all related arrangement with fixing of dummy plate to protect the backflow of water. necessary dewatering arrangement to be made to restrict the water logging in pump house.

Installation, Commissioning, testing & trial run of the above supplied valves vide item no. (1.00) as per direction of EIC.

Hiring of 62.5 KVA silent DG set for power backup to run all DG operated pumps, welding machine, cutter & all other required accessories with change over arrangement as per instruction of EIC.

Cost of Diesel required for running of DG set for 2 days.

N.B.:MAKE: AS PER PHE APPROVED VENDOR LIST AND ADDENDUM/CORRIGENDUM (IF ANY)

Add GST @12% (CGST@6% + SGST@6%)

Add Labour Welfare Cess @ 1%

DEY ENTERPRISE

MS P P ELECTRICALS