Jawaharlal Nehru University Tenders

Rewinding of ceiling fan and exhaust fans of following sizes, sweep with copper wound enamelled wire including greasing, oiling, carriage from site to work-shop and back, testing, etc as required of different make as required.

Servicing of 400/630/800 Amp., 11 KV OCB/VCB with blower, cleaning of existing HT panel inside,outside with tighting of all bus bar, nut & bolt, CT,PT chamber, alignment, adjustment of gaps between phase to phase, greasing & lubrication all moving fixed part including replacement of minor parts such as spring, washers etc for smooth mechanical operation i/c Servicing, Calibration, testing of 3 element IDMT relay ( one earth fault & two over current) with secondary injection testing of 11 KV OCB/VCB complete with testing commissioning as required.

Excavating holes more than 0.10 cum & upto 0.5 cum including getting out the excavated soil, then returning the soil as required in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering etc, disposing of surplus excavated soil, as directed within a lead of 50 in and lif upto 1.5m.

Item Description

Supply, Installation, Testing & Commissioning of Electrical motor driven horizontal split casing casing (HSC) type two stage pump sets suitable for the mentioned components, capacities and specificton. The pump shall be coupled with existing 75 HP motor with suitable coupling and other accessories to make the complete pump-motor set functional as per site requirement including carriage to workshop and back. this includes common base plate, flexible coupling with gaurd and all neccessary allied materials and miscellanious works for interfacing with existing infrastucture/pipe line, transportation of all equipment to the site and alignment of the pumpset on the foundation etc. as per required- a) Pump:- 138 m3/hr capacitiy at head of 84 meter ,1450 RPM capacity horizontal split casing type two stage pump having CI casing, Bronze impeller, , shaft of En-8 & gland packing etc as required. ( Efficiency not less than 70 % at duty point) b) Base Plate:- Fabrication from suitable structural M.S. channel as per manufacturer's/JNU Engineer's recommendations for mounting common pump-motor set there on duly finished and painted with synthetic enamelled paint, Nut & bolts etc. for complete motor & pump set. c) Foundation:- Suitable R.C.C. pump foundation as per manufacturer's design with foundation bolt (Min. 06 Nos. of J-Bolt M-16, min. length 250mm) of approved design duly finished and cement plaster. Centering and shuttering including strutting, propping etc. and removal of form for Foundations, footings, bases of columns, etc. for mass concrete etc. as required. concrete ratio should be 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) d) Priming Arrangement:- Priming Arrangement with suitable size of GI pipe, Union, Socket, elbow etc. complete as required from discharge line to pump casing as per direction of Engineer - in- charge including dismentalling of old existing GI pipes, valves, foundation etc complete as required. e) providing & fitting of suitable range of Pressure gauge. Location:- East gate pumping station.

Item Description