Providing, installation, testing and commissioning of pumping machinery T/well No 5 , Samba under WSS Imp and Ext. of water supply to Ward No.11 and 12 WSS Samba Town Samba Town ( Languishing LUP NO. 2452)

Amount

Providing, installation, testing & commissioning of pumping machinery i.e. 5000 GPH x 150 mtrs. head H.C. Pump sets (01 nos.) along with all other allied electro-mechanical works at T/well No 5 , Samba under WSS Samba Town ( Languishing LUP NO. 2452). The complete job involves the following:

Providing of HC PUMP Set : Providing of 01 nos. HC pumping units of parameters 5000 GPH x 150 mtrs head each accompanied with test certficate & 01 nos. submersible pump sets of parameters 5000 GPH x 100 mtrs head each along with all connected accessories conforming to relevant BIS codes as per following: (a) Acceptable make for HC Pump: Mather & Platt / Kirloskar make (b) Acceptable make for Motor: Kirloskar / Crompton / ABB make compatible with the above provided pump to which it is to be coupled.

Foundation blocks / Installation: Installation, testing & commissioning of 5000 GPH x 150 mtrs. head H.C. Pump sets (01 nos.) at T/well No 5 Samba The job involves the following - Carriage of pumping machinery from to work site. Construction of reinforced cement concrete foundation blocks of size 1800 mm x 900 mm x 900 mm (LxBxD) inside the pump room for installation of the pumping units by excavation of pits of required dimensions, removal of the excavated material and disposing off the same outside the pump room at suitable place as per site conditions. 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 manifolds: Fabrication of suction manifold out of 150 mm dia M.S / G.I. pipe 1800 mm in length by plugging both ends by welding of 01 no. blind flange at each end and placing in position at appropriate height outside of pump room and anchoring by laying of 450 mm x450 mm x 600 mm R.C.C. cubical blocks beneath the manifold with required foundation of the blocks and curing RCC block for its proper strength and finally the suction manifold is to be connected with suction line of sump tank by creating a hole of required size in the manifold by gas cutting and then jointing of suction line of sump tank to the manifold by proper welding work in precise manner to make it leakproof. Fabrication of delivery manifold out of 150 mm dia MS / G.I. pipe 1800 mm in length by plugging both ends by welding of 01 no. blind flange at each end and placing in position at appropriate height outside of pump room and anchoring by laying of 450 mm x 450 mm x 600 mm R.C.C. cubical blocks beneath the manifold with required foundation of the blocks and curing RCC block for its proper strength and finally the delivery manifold is to be connected with rising main by creating a hole of required size in the manifold by gas cutting and then jointing of rising main to the manifold by proper welding work in precise manner to make it leakproof.

Suction / Delivery systems: Fabrication, laying & installation of the 80 mm dia suction system of both pumps for connecting suction of each pump to the suction manifold. .The job includes providing & cutting the 80 mm dia G.I. pipe in various required lengths as per alignment / layout condition of the suction line at site, jointing the suctions of each pump to the suction manifold. 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 80 mm dia C.I. sluice valve on the suction line with nuts, bolts, washers and rubber insertion sheet etc at appropriate place.Fabrication and laying of delivery manifold as per requirement. Fabrication, laying & installation of 80 mm dia delivery system of both pumps for connecting the delivery of each pump with the delivery manifold. The job includes providing & cutting the 80 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 each pump to the delivery manifold. 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 80 mm dia C.I. sluice valve & heavy duty ISI marked 80 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.

LT Fuse box / Distribution box : Providing of LT fuse box or distribution box at transformer by providing single core LT cable of suitable dimension from LT bushes of transformer to LT box or distribution box by firstly providing and fitting of LT fuse box or distribution box as per site requirement.

Steel shed : Fabrication and erraction of steel shed by firstly leveling of hilly rock surface for fabrication of steel shed of size 13 'x 10 'by mannual labour . Digging of 4No. Pits of size 1.5' x 1.5'x 1.5' at the corner of shed for accomodation of 3"pipe column weld the 2 No MS Flat of size 1.5'x3''x5 mm in cross section at one end of each pipe coupling .Fabreicate each piller of height 10'. Laying of no foundation block foreach pillar with RCC in such a way that welded end of pipe pillar will totally embedded in RCC and top end of each pillar remains at one level.Providing of 1.5'' x1.5'' x2mm MS Square pipec of length 250 mtrs. welding the outer periphery of pipe column with these square pipes in three rows. Also fabrication of roof in salient shape in such a shape that its top is abot 2'' high in the middle as that from sides Fabrication of frame of roof with proper 3No horizontal support in each salient surface by welding the 1.5''x1.5''MS square pipes. Providing of MS steel sheets for fabrication of side walls and roof of shed.Tightening of MS sheets with MS square pipes with the help of hookson 4 sides and roof of shed. Also Fabricationof N door of size 6'x3' in front by way of using 3''x 1.5'' MS reactangular pipe as boundary and using the steel MS sheet for door with the help f suprior quality welding . Providing and fixing f all other material like hoks , hungs and other material as per reuirement at site.

Testing & Commissioning: Testing and commissioning of HC pump sets, LT control panels 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 Nabard at the station.

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