NIT No. 28/EE(EM)WS S-I/(19-20) Item No-5

Supply of submersible pump set fitted with dynamically balanced SS impeller mounted on stainless steel shaft with protection sleeve having stage bowl & closed grained shorted type impeller, the pump will be directly coupled to required wet type induction motor of 7.5 HP, suitable for operation of 3 phase, 415 volt, 50 Hz, AC supply with efficiency-70% at following duty point: 175 LPM on 103Mtr. Head. Having discharge outlet 50 mm and outside dia 142 mm. Make: BS/CG./KSB/SU/any DJB approved make.

Supply of PVC insulated PVC sheathed copper conductor flat cable size 3 core X 4sq mm,1100 volts, confirming to IS 694(each roll 100mtr long). Make: Finolex / Havells.

Supply of M.S. clamp of 600 mm length duly fabricated out of 12.5 mm thick 75 mm wide, M.S. plate for holding the pipe of 50 mm dia.

Supply of Double flange GI Column pipe 50 mm dia medium class each of 3 mtrs long duly threaded on both ends, welded fitted with GI flange on both ends and welded support L-type MS bracket in both flange with slot of submersible cable. Make of pipe: TATA/ Jindal.

Supply of Tail piece of the medium class GI Pipe 500 mm long with one end threaded as per outlet of pump & another end flanged as per size of GI pipe 50 mm dia.

Supply of GI 90° Bend of size 50 mm dia having both side flange (heavy duty).

Supply of nut bolts, washer 1/2 “dia 1 ½” long full threaded.

Supply of rubber packing for 50 mm dia flange.

Supply of MS bore cover approx, size 8” dia made outlet from 6 mm thick M.S. sheet in 2 halves & circular hole will be in centre of 2”-2 ½” dia with locking arrangement by nut bolts.

Supply of transformer oil.Make:-Savita / power

Supply of 50 mm dia non return valve design std. IS 5312 part I PN-1.0 having CI body bronze wedge rings SS spindle drilled flanged type as per IS 1538 table 4&6 with pressure rating class I. Make: Kirloskar /IVC

Earthing with GI earth pipe 4.5 mtr.long,40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc.with charcoal/coke and salt as required.DSR5.2(2018)

Providing and fixing 6 SWG dia. GI wire on surface or in recess for loop earthing as required.DSR5.16(2018)

Installation & commissioning of submersible pump set with proper fitting of 50mm double flanged pipes along with sluice valve, NRV and other items. All tools and tackles & safety measures taken by contractors and testing the submersible pump set on no load /on load.

paramount systems

Mehar Enterprises