Providing, installation, testing and commissioning of 1 no. 03 cusec discharge 71 m head pumping unit in place of pumping unit no. II along with allied works at LIS Garnai

Amount

Providing, installation, testing and commissioning of 1 no. 03 cusec discharge 71 m head pump motor set in place of pumping unit no. II along with allied works at LIS Garnai.

Dismantling of existing horizontal centrifugal pump and three phase induction motor of Unit no. II from its installed position after decoupling the pump- motor assembly, dismantling of suction and delivery pipes by cutting of damaged/rusted nuts and bolts using gas cutter, extraction of damaged embedded base frame from the old RCC block and shifting of the dismantled pumping machinery to the stacking place, laying of New RCC Foundation Block for the pumping unit at Lift irrigation scheme Garnai by way of complete dismantling of existing Foundation block by deployment of skilled and unskilled labour with the help of tools and tackles as required at site including cutting of reinforcement steel, anchor bolts. The job also includes disposal of excavated debris at proper place, laying of new RCC block of suitable specifications as per the size of the base plate of the pumping unit and motor to be installed in cement concrete work in 1:1½:3 ratios for attaining required strength. It includes providing, straightening, cutting, bending, binding and laying in position of 10mm dia reinforcement steel including shuttering proper curing and finishing of exposed portion. The job includes fabrication and erection in position of anchor bolts with one end threaded and other end at the base concreted with the anchoring. The job may include any other fabrication work required for proper fitting/alignment of pumping unit as per site conditions. The foundation bolts are to be welded to steel reinforcement of foundation block in proper alignment and spacing with respect to base frame properly leveled and sealed to the required position, placing of base frame on newly constructed RCC foundation block after proper finishing of the constructed block. Job includes cost of material, carriage charges including headload charges, labour, consumable and hire charges and mobilization of connected machinery/equipment, handling, loading, unloading, transportation, stacking and repair to surrounding floor damaged during dismantling and installation work. Providing of Raw water H.C split casing pump of 03 cusec discharge, 71 meter head compatible with already installed suction and delivery pipes coupled with appropriate low speed motor, fitting and installation at LIS Garnai on the newly installed base frame in place of existing pumping unit. The pump set shall have the following technical specifications 1. AMBIENT TEMPERATURE AT SITE:- 00C to 450C. PUMP :- i. Horizontal Centrifugal Pump (of reputed make) Electric driven conforming to IS: 6595-2 with latest amendments. ii. Speed of pump:-1500 (syn)RPM 2. DUTY :- Pumps should be designed for continuous duty. 3. MATERIAL OF CONSTRUCTION:- The pumps shall be generally as per IS:6595-2 and material of construction as details given below: (i) Impeller for raw water applications: SS/CI. (ii) Pump Shaft: Stainless steel/ Carbon Steel. (iii) Pump casing : Cast Iron conforming to IS 210 grade25. (iv) Stuffing Box : Cast Iron conforming to IS 210 grade25. (v) Casing Linear Wearing Rings ; Bronze Grade II of IS:318. (vi) Gaskets: Wire reinforced rubber. (vii) Bolts& Nuts: High Tensile Steel. (viii) Gland : Cast Iron conforming to IS 210 grade260. (ix) Base Plate : M.S Channel as per IS: 226 to be supplied from pump manufacturers. 4. ELECTRIC MOTOR:- Horizontal TEFC-SC induction motor of reputed make, foot mounted as per IS: 325, IS:12615, IS:2253, IS:4691, IE2 with latest amendments to work on 3 phase 415+10%volts, 50+3%HzAC supply class ‘F’ insulation with temperature rise limited to Class ‘B’, rated for continuous duty. 5. MOTOR SPEED:- The motor speed shall be compatible with pump speed. 6. POWER SUPPLY:- AC 3- Phase 415+10%volts and 50+3% Hz. The Motor shall be suitable for specified power supply system. 7. DUTY:- Continuous duty. 8. The pump motor shall be inspected from third party complying with ISO 17020 standards before dispatch. The inspection charges shall be paid by the firm / contractor. The inspection charges shall not be re-imbursed. The job includes transporting the unit upto road side nearest to LIS Garnai by way of mechanical transport vehicle. Unloading of pump motor set at roadside with the help of crane and manual labour. Decoupling of pump & motor from the base frame then shifting to site through hilly terrain by head load with the help of manual labour using ropes, bamboos, channels and other tools and tackles required for safe shifting of pump motor set upto the pump room. Fitting of new pump and motor on the base frame using chain pulley block, tripod stand, skilled and unskilled labour, tools and tackles. Fitting of suction and delivery pipes with the pump assembly using appropriate modifications that may include bends, reducers, rubber gaskets or any other extensions on delivery and suction sides of pump so as to make a proper fit of pipes as per site conditions and coupling the pump & motor set with the help of rubber bushes, nuts & bolts as required and checking the alignment of the pump and motor assembly with the help of tools and tackles. Job also includes repair to foot valve of 250mm dia of Unit-II at LIS Garnai by way of dismantling chocked foot valve from suction pipe in sump tank. Dragging out from sump with the help of manual labour using tools and tackles. Dismantling of foot valve and replacing the leather sheet cut to size along with flap, hinge pin, rubber sheet for flanges with required nuts and bolts. Re-assembling and fitting the same to suction pipe in sump tank with the help of manual labour and checking it properly. The job further involves repair to sluice valve 250mm Dia of Unit no. II at LIS Garnai by way of providing, fabrication and fitting of stem rod with nut, fabrication /fitting of body seat ring, ring for flap, gland bracket with gland stud/nut. Replacement of bolts, nuts & rubber gaskets, P/f of gland packing and repair to 250mm dia NRV of Unit no. II by way of providing, fabrication and fitting of hinged flapped disc, nuts, bolts, washers and gasket. Complete testing of the motor and pump assembly on ideal load and then on full load capacity after making all the electrical connections with the already installed 225A auto starter. The job also includes carriage back of wornout dismantled complete pumping unit no II and previously dismantled pump motor along with 3 no. starters from LIS Garnai to divisional store of MICD Jammu by deployment of manual labour using tools & tackles required for the job including transportation charges, further unloading at divisional store and stacking the said machinery properly at suitable location. Complete Job includes cost of material, carriage, headload charges, hire charges of tools & tackles, skilled/unskilled labour charges inclusive of all taxes as applicable. Complete Job inclusive of rebate on account of old parts/scrap from repaired items.

AADISHWAR ELECTRICAL AND MECHANICAL WORKS

BEE AAR ENTERPRISES