NIT No. 05, Item No. 18 (2022-23)

Dismantling of existing 40 HP motor pump sets from foundation by disconnecting electric connection from main power supply, removing of coupling, Sluice Valve, NRV , Taper Pieces on Suction & Delivery side both with the help of gas cutter , specialized labour and chain pulley block etc. Closing of suction & delivery line by taking proper safety precautions including any manual labour as per site requirement. As per direction of engineer in charge. The work must be done one by one without affecting the water supply.

Demolishing RCC work manually by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 mtrs lead as per direction of engineer in charge . 15.3 DSR-2021

Supply of Horizontal split casing pump with Bronze impeller and Bronze neck ring, shaft and Shaft sleeve (SS) and casing (CI) in fitted condition with suitable bearings along with IE2 rating TEFC , 3 phase AC Supply Induction Motor 415 volt, 50 Hz with IP-55 Protection . The pump and motor coupled on M.S Base frame with coupling and coupling Guard. Specification of pump with (Duties of pump) , Head-52 mtrs, Discharge-170 m3/hr. Size: Suction/Delivery-(125 mm X 100 mm). Motor Ratings- 37 KW/50 HP, RPM- 1470, Make of Pump :-M&P/ Kirloskar / DJB approved, Make of motor:- CG/BBL/Kirloskar/ DJB approved

Providing and lying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering – All work up to plinth level: 1:2:4. ( 1 cement :2 coarse sand (zone –III) : 4 grade stone 20 mm nominal size ), Volume of foundation 50 HP Electric pump set= 01 (LxBxH), 01 No. x(1.6 x 0.75 x 1 m= 1.20 cum, 5.1.3 DSR 2021

Centering and shuttering including strutting, propping etc. and removal of form for : For foundation, footing, bases of columns, etc for mass concrete. 5.9.1 DSR 2021

Steel reinforcement for RCC work for including straitening, cutting, bending, placing in position in binding all complete up to plinth level. Cold twisting bars5.22.3 DSR 2021

Providing of 150 mm dia. Non rising spindle CI D/F sluice valve as per IS 14846 PN 1.0. Make – Kirloskar / IVC.

Providing of 100 mm dia. Non rising spindle CI D/F sluice valve as per IS 14846 PN 1.0. Make – Kirloskar / IVC.

Providing of 100 mm dia. Non return Valve CI D/F as per IS 14846 PN 1.0 Make – Kirloskar / IVC

Providing of football for 150 mm dia.

Providing of MS taper of Size 150 mm X 125 mm Dia , thickness 6 mm an approx. 65 cm length Medium class duly welded with both side MS Flange of 16 mm thickness as per site requirement.

Providing of MS Gap Piece of Size 100 mm Dia , thickness 6 mm an approx. 65 cm length Medium class duly welded with both side MS Flange of 16 mm thickness as per site requirement.

Providing of Rubber insulation sheet, size 1.5 mm thickness. SOR 2021 Item Code : 22.6.1

Providing of MS foundation Bolts of sizes 20 mm x 450 mm ISI mark

Providing M S nut bolts off size as per site requirement ISI mark

LT Distribution panel sheet steel enclosure made out of 2 mm CRCA sheet totally enclosed, powder coated free standing, floor mounted type, dust & vermin proof, outward opening, lockable doors having hidden hinges and a bolted back cover both using non-deteriorating neoprene rubber gaskets to provide IP-54 protection .The each part of the fabricated panel will be strictly subjected to seven tank treatment. The various components, assemblies and sub equipments of the panel will be as per standard given in relevant IS. The bus bar Size: 50 mm X 10 mm (suitable for 400 Amp.) of the panel will be shaped out of high conductivity, electrolytic conductor and shall be liberal sized in aluminium. The control wiring of the panel will be done with PVC flexible copper wires of 1.5mm cross section. Each wire will be terminating with a ferrule crimped to the wire. Size of Panel : 1800 mm (Length) x 1600 mm (Height) x 375 mm (Width) . Having following components of approved make. The panel board shall be mounted on the base frame of 1 feet height made of 60x60x6mm angle iron frame.

MCCB 415 V, 4 Pole, 3 phase High breaking capacity 50 KA ,50 Hz, 400 Amp with spreader & handle . Make:- L&T/Siemens

MCCB 415 V, 3 Pole, 3 phase 50 KA, 50Hz, 125 Amp with spreader & handle. Make:- L&T/Siemens

MCB Single pole 6 Amp. Make:- L&T/ Siemens

MCB Triple pole 32 Amp. Make :-L&T/ Siemens

MCB Triple pole 63 Amp. Make:- L&T/ Siemens

Copper wire flexible 50 sq mm single core. ,Each Roll is of 100 Mtrs. Make: Grandlay/Havells

Power capacitors 415V unit of 20 KVAR Make:- Siemens /L&T (247/-P/KVAR)(247 x20 Kvar=4940)

Over load relay 45-75 Amp Make:-L&T/Siemens

Over load relay 6-10 Amp Make:- L&T/Siemens

Digital Amp. Meter:-Make AE/L&T

Digital Volt Meter 0-500V .Make:- AE/L&T

Motor protection Relay Make:- L&T/Siemens

Power contactor 220V 3phase 110 Amp. Make:- L&T/Siemens

Power contactor 220V 3phase 80 Amp. Make:-L&T/Siemens

Power contactor 220V 3phase 25Amp. Make:-L&T/Siemens

Star delta timer on delay. make:- L&T/Siemens

Indicating lights LED type RYB & On/OFF

Make:-L&T/ Siemens.

Current Transformer 100/5 & 30/5. Make:- AE /Advance

Current Transformer 200/5 Make AE /Advance

On load change over switch 200 Amp. 415V .Open execution type . Make:- L&T/Havells

Fixing of the above components in LT panel enclosure with terminal blocks, channels, ferrules, thimble, support insulator on bus bar required hard wares, control wiring in 1.5 sq mm single copper wire complete in all respect.

Dismantling of old panel, structure ,damaged components and insulation of the panel at site by making foundation, termination of cable both incoming and out going side ,meggaring of complete panel, including cable connections .Taking out all the dismantled items from the LT Panel room and shifting the same to safe place as per direction of Engineer-in- charge. This includes cartage ,loading and unloading by crane or heavy labour etc.

Fixing of Sluice Valves, NRV, Football, Taper , Gap Piece & Flanges etc. & Fixing of MS base frame on the RCC foundation and tightening with foundation Nut Bolts. Fixing of Electric pump set on the MS base frame, make proper alignment and tightening the same with the help of required arrangements.

Testing and commissioning of the motor Pump sets along with complete LT Panel at No Load & Full Load prior to switching on as follow :- 1. Continuity and earth testing, 2. Meggaring of all equipments for phase to phase, neutral to body, neutral to earth and phase to earth, 3. Checking for all tightness of nut and bolts, 4. Complete system at no load and full load.

P.K. Electricals