Providing, Installation, testing and commissioning of pumping machinery i.e. 20000 GPH x 200 mtrs head HC PUmp set along with allied works at P Stn. TDC under Languishing

Amount

Providing, Installation, Testing & commissioning of pumping machinery i.e.20000 GPH x 200 mtrs. head H.C. Pump set (01 nos.) along with all other allied electro-mechanical works at P/S TDC. The complete job involves the following:

Providing of HC Pump sets: Providing of 01 nos. HC pumping units of parameters 20000 GPH x 200 mtrs head each accompanied with test certficate each along with all connected accessories conforming to relevant BIS codes as per following: (a) Acceptable make for HC Pump: Mather & Platt / Kirloskar make etc. ( Only low speed Prime mover is acceptable ) (b) Acceptable make for Motor: Kirloskar / Crompton / ABB make etc. compatible with the above provided pump to which it is to be coupled. ( Only low speed Prime mover is acceptable )

Foundation blocks / Installation:Providing Installation, testing & commissioning of 20000 GPH x 200 mtrs. head H.C. Pump sets(01 No.) at P/S TDC. The job for HC pump set involves the following - Carriage of pumping machinery from firm store to work site. Construction of reinforced cement concrete foundation blocks inside the pump room for installation of the pumping unit by way of first demolishing the existing foundation block inside the pump room by using heavy duty hammer, high carbon steel chisels and sledge hammer,evacuation of the material of the demolished foundation block and to finish with the reqd dimensions at Pit. Removal of the evacuted material and disposal of the same outside the pump room at a suitable place as per site condition and excavation of pits of required dimensions,. Providing & laying of stones masonry in the already excavated pit 40 mm and ramming properly, laying of one layer of 1:3:6 concrete mass 15 mm thick before laying of RCC foundation block. Fabrication/ providing of steel foundation bolts along with hexagonal nuts & washers for the foundation bolts – 06 nos. of suitable thickness and 900 mm in length for the pumping unit having threaded portion at one end and anchor at the other end. Fabrication of steel reinforced cubical structure of requisite size for the foundation block fabricated out of T.M.T. steel bars of 10 mm thickness, by way of cutting the steel bars of required length and placing in position at proper spacing longitudinally and transversally and binding them properly so that internal cube meshes of 6” size are formed. Lowering of reinforced steel mesh structure in the pit and then placing the base frame of the HC pump set over it, making proper leveling and alignment of the base frame over this steel mesh structure, placing the threaded end of the foundation bolts in upright vertical position after passing through holes of the base frame. Welding of the foundation bolts with the steel mesh structure at various spots and then fastening the base frame by tightening of the nuts of the foundation bolts, simultaneously ensuring proper leveling and alignment of the base frame. Providing and laying of cement concrete block including form work, machine mixing, laying and compaction with vibrator using reinforced cement concrete in mixture of 1:1-1/2: 3 ratio including binding chemical up to top level from inside the base frame and up to bottom flange of base frame from outside of base frame, proper curing of the block and then plastering of the above GL portion of the block with proper drainage system. Installation of the new HC pumpset on the foundation block by way of proper placing of pump set and prime mover over the base frame. Providing and fixing of base bolts with nuts and washers, leveling of pump and motor in proper alignment by way of adding shims etc. so that pump and motor can be coupled without any offset. Coupling the pump with motor by proper fixing of coupling pulley set and tightening them properly. Providing & fitting of new graphite gland packing in the pump gland.

Suction / Delivery systems: Fabrication, laying & installation of the 150 mm dia suction system of pump for connecting suction of pump to the suction manifold/ line. .The job includes providing & cutting the 150 mm dia G.I. pipe in various required lengths as per alignment / layout condition of the suction line at site, jointing the suctions of pump to the suction manifold/ line. Providing & fitting of heavy duty M.S. flanges, MS bends / nipples/ elbows as per suction bend size of pump, their proper welding & flanging with nuts, bolts, washers and rubber insertion sheets etc. Providing & fitting of heavy duty ISI marked 150 mm dia C.I. sluice valve on the suction line with nuts, bolts, washers and rubber insertion sheet etc at appropriate place.Fabrication, laying & installation of 150 mm dia delivery system of pump for connecting the delivery of pump with the delivery manifold/ line. The job includes providing & cutting the 150 mm dia G.I. pipe in various required lengths as per alignment / layout condition of the delivery line at site, jointing the delivery line of pump to the delivery manifold/ line. Providing / fitting of heavy duty M.S. flanges, MS bends / nipples/elbows as per delivery system bend size of pump, their proper welding & flanging with nuts, bolts, washers and rubber insertion sheets etc. Providing & fitting of heavy duty ISI marked 150 mm dia C.I. sluice valve & heavy duty ISI marked 150 mm dia C.I. reflux valve on the delivery line with nuts, bolts, washers and rubber insertion sheets etc at appropriate place. Job also involves dressing of the openings of suction & delivery lines created in the wall of the pump room with cement concrete mixture. Testing and commissioning of pump set on load after installation of the electrical system at site. The job includes checking of alignment during operation of pump set, abnormal sound during operation, checking of leakage on suction and delivery side and plugging of same thereafter providing and fitting of nuts and bolts, rubber insertion sheet wherever required. Painting of the newly laid suction and delivery manifolds / systems of all pumps by way of cleaning of all the surfaces viz., suction/delivery manifolds / lines, sluice valves, reflux valves, etc by removing dust and other unwanted material from the surfaces, applying a coat of red oxide primer and then two coats of black enamel paint for smooth finish. Complete job in all respects as per site conditions. The complete job includes cost of material, labour, consumables, transportation of tools & tackles, testing & commissioning of installation. Complete job as per site requirement.

Testing & Commissioning: Testing and commissioning of HC pump set, LT control panel along with all electro-mechanical system on load at site. The job includes checking of alignment during operation of pump set, abnormal sound during operation, checking of leakage on suction and delivery side and plugging of same thereafter providing and fitting of nuts and bolts, rubber sheet whereever required. Also checking of electrical system & LT control panels by identifying any loose electrical connections, their re-taping thereof and proper operation of the star-delta starter. Complete job in all respects on turnkey basis as per site conditions.

Painting: The job also includes proper painting on the wall with black & white enamel paint mentioning clearly the particulars of machinery / equipment installed under Languish at the station.

G S ENGINEERING WORKS