NIT No. 18/EE(EM)M-11/(25-26)Item No-11

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, 10 stage, Speed 2900 RPM suitable for operation of 3 phase, 415 volt, 50 Hz, AC supply with efficiency 70% at following duty point: 200 LPM on 90Mtr. Head. Having discharge outlet 50 mm and outside dia 142 mm. Make: BS/Skope/ Any DJB Approved Make

Supply of hut type electrical feeder pillar / fabricated with 50 x 50 x 6mm angle iron and SWG Ms sheet with horizontal and vertical intermediate member of suitable size. i.e. 1370 mm x 760mm x 460 mm. With arrangement for mounting of switchgear and electrical energy meter i.c. Painting heaving following item fitted. a) MCCB 63 Amp, 4Pole, 415Volt, 35 KA -1 No. b) RCCB 63 Amp, 4Pole with earth fault indication protecting a circuit automatically in the event of earth leakage sensitivity 100mA, - 1 No c) Fully automatic star delta starter of relay range 13-21 Amp. (7.5 HP to 10 HP) 3 Phase oil immersed type -1 No. d) Ampere 96 x 96 mm. Square shape 0-30 Amp-1 No. e) Voltmeter 96 x 96 mm. Square shape 0-500 volt-1 No. e) Indicating lamp (a set of 3 lamps) – 1.set f) Motor protection assembly with earth leakage protection phase sequence corrector, single phasing, protection, overload protection, high voltage / low voltage protection time delay power on, programmable time switch i.c. R&B phase facility to change over from automatic, to manual &vice verse for up to 10 H.P -01 Nos. Complete wiring & installation of above accessories with required copper conductor wire and thimble etc. 01 job. Make of All components: Any DJB Approved.

S/O PVC insulated & PVC sheathed cable with plain copper conductor having 3 phases, 3 core flat for submersible motor of 4 square mm size each 100 mtrs. Make: Finolex / Havells./Any DJB Approved Make

S/O 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.

S/O 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 with slot of submersible cable. Make: TATA/ Jindal./Any DJB Approved Make

S/O/ 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.

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

S/O nut & bolts of 1/2 “dia of different size i.e. 1.5” dia& 2.5” long full threaded.

S/O rubber packing for 50 mm dia flange.

Fabrication and supply of Bore cover approx, size 8-10 inchdia made outlet from 6 mm thick M.S. sheet in 2 halves &a circular hole in centre 3-½” dia. with locking arrangement by nuts and bolt.

Earthing with G.I. earth pipe 4.5 meter 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.

Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing as required.

Installation & commissioning of submersible p/set with proper fitting of 50 mm dia double flange pipes, along with check valve and other items. Installation and commissioning of dosing pumps sets with proper wall supporting arrangement to hold the pump set Fabrication/Fixing of GI ventury of size as per site requirement , Testing the earthing with earth tester and providing the report duly verified by engineer in charge All tools & tackles & safely measures taken by contractors and testing the sub. P/set on no load/on load. Testing the earthing with earth tester and providing the report duly verified by engineer in charge