Public Health Engineering Department Tender

Providing, installation testing and commissioning of H.C. Pump of 8000 GPH X 350m ( 2 nos )Head coupled with suitable induction motor. The specification of motor should be 2900-3000 rpm, 50 HZ,, TEFC Cooled. The pumping machinery should confirm to relevant ISO standard with all latest amendments. INSTALLATION of Pump sets:- Foundation Blocks ( 2 NO) :-Construction of R.C.C. foundation block – 2No of required size as per base frame of pumpste inside the pump room at pump room for installation of pumping units by excavation of soil to finish with required dimensions of the pit, removal of excavated material and disposing off the same outside the pump room at suitable place as per site conditions. The job also includes demolishing the existing flooring of requisite area with jack hammer, high carbon steel chisels and sledge hammer, providing and laying of crushed stones 40 mm and ramming properly. Laying of one layer of 1:3:6 concrete mass 30 mm thick. Fabrication& Providing of steel foundation bolts of required dia 600 mm in length – 6 Nos. having threaded portion at one end and an anchor at the other end. Also providing fabrication of steel hexagonal nuts and washers for the foundation bolts. Fabrication of steel reinforced cuboidal structure of requisite size for the foundation block out of T.M.T steel bars 10 mm thick by way of cutting, the steel bars of required length and placing in position at proper spacing longitudinally and transversally and binding with black annealed wire them properly so that internal cube meshes of 6” size are formed. Job includes fabrication charges as well hirer charges of welding set. Lowering the reinforced/cuboidal steel structure in the pit and then placing the base frame of the pump over the steel reinforced cuboidal steel structure making proper leveling and alignment of the base frame over the cuboidal steel structure. Placing the threaded end of the foundation bolts in upright vertical position at required distance in position and in alignment after lowering through holes of base frame. Binding of the foundation bolts with the steel mesh of cuboidal steel reinforced structure at various spots and then fastening the base frame over the reinforced steel structure by tightening the nuts of the foundation bolts, simultaneously ensuring proper leveling and alignment of the base frame over the reinforced cuboidal steel structure. The job further includes laying of M-20 grade cement concrete block including steel reinforcement, machine mixing laying and compaction with vibrator using stone aggregate 1:11/2:3 mix (1 cement 11/2 coarse sand and 3 graded stone mixture of specified grade of nominal size 20mm) including binding chemical up to top level from inside the base frame and up to the bottom line of base frame from outside of the base frame – also plastering the exposed surface of block. Construction of drain for draining out the occasional leakage water of pump. Also repairing of damaged flooring wherever required with cement concrete mixture using chemical bonding material for smooth finish of the flooring of the pump room, and proper curing of cement works for proper strength for a minimum of 07 days. The whole job also includes cost of material and carriage charges for all material from various sources by Mech. Transport as well as head load, hire charges of shuttering material, vibrator and concrete mixture and welding set, POL for vibrator and concrete mixture, labour charges for laying of foundation block, including skilled and semi-skilled workers deployed for execution of job. Carriage:-Carriage of pumping machinery (pump, motor, coupling set, base frame to site of work by Mech. Transportation and Head Load up to Pump Room. The job also includes dismantling the pumping unit, unfastening the coupling bolts, nuts, bolts of the base frame for separating each component viz. motor pump, coupling set, base frame etc., for their proper handling and carriage. Installation (2 nos ):-Installation of new 8000 GPH X350m. Head H.C. pump set on the foundation blocks at pump room by way of providing and fitting of bolts with nuts and washers for fitting of new pump and motor on each base frame, Also leveling of pump and motor in proper alignment with each other. Tightening the nut bolts of the base frame. Providing and fitting graphite gland packing with fitting of pump glands. Coupling the pump and motor by way of fixing of coupling bolts. Job includes cost of graphite gland packing, nut bolts of the base frame and labour charges for skilled and semiskilled workers deployed for execution of job. Delivery manifold( 1 Nos):-:-Fabrication of delivery manifold out of 200 mm M.S. pipe 10-15 feet length by plugging both the ends by welding 1 No. blind flange at each end and placing in position and required height outside the pump room and anchoring by laying of RCC Cubical blocks 2 nos. Of required size over the manifold with required foundation of blocks beneath the manifolds and curing properly the RCC cubical blocks for proper strength and finally the delivery manifold to be connected with the Rising main by creating a hole of required size in the delivery manifold by gas cutting making v-groove all along the circumference of the cut by way of joining of rising main to the manifold by proper welding work in a precise manner-1Job Suction Line( 2 Nos) :- Fabrication of suction line of dia equivalent to pump inlet dia, for each pump set out of G.I. pipes, cast iron sluice valve- 1 No. for each line , M.S. bends - quantity as per site requirement. MS flanges – qty as per site requirement for connecting pump suction inlet to suction manifold/sump tank. The job includes cutting the pipe in required lengths as per alignment/layout condition of the suction line at site, the cut edges have to be grinded to give them smooth and even surface for proper welding. Welding the flanges to bends and to the pipe pieces at proper ends, and then joining of the suction line to the suction manifold by way of proper welding works in precise manner. Also fitting of sluice valve at appropriate place in the suction line and joining of the other end of the suction line to the pump suction inlet by providing fitting of hexagonal fasteners and rubber insertion sheet. Job also involves creation of a hole of appropriate size in the wall and then properly dressing the hole by cement concrete mix for passing through of the suction line. Delivery Line(2 no):- Fabrication of delivery line of dia equivalent to pump outlet dia for each pump set , out of G.I. pipe cast steel reflex valve 1 no., cast steel sluice valve 1 No. M.S. bends– qty. as per site requirement M.S. flanges qty. as per site requirement for connecting pump delivery outlet to the delivery manifold. The job involves cutting the pipe in required lengths as per alignment/layout conditions of delivery line at site, the cut edges have to be grinded with grinder to give them smooth and even surface for proper welding. welding the flanges to bends and to the pipe pieces at proper ends in a precise manner, fitting of sluice valve and reflex valve at appropriate place in the delivery line and jointing of one end of the delivery line to pump delivery outlet by providing and fitting of hexagonal fasteners and rubber insertion sheet then jointing the other end of the delivery line to the delivery manifold by creating a hole of required size in the manifold by gas cutting and then jointing to the delivery manifold by way of proper welding work in a precise manner making v-groove all along the circumference of the cut and butt welding. Job also includes creation of a hole in the wall and then dressing to appropriate size by cement concrete mix for passing through it the delivery line of the pump. The whole job includes cost of material i-e., G.I Pipes, Reflex Valve, Sluice Valve welding rods, M.S. flanges, M.S. bends, nut bolts, rubber insertion sheet, oxygen acetylene gas used and POL used by DG set, hire charges/carriage charges of welding set, DG set, gas cutting apparatus and labour charges for skilled and semi-skilled workers deployed for execution of job.

LT control Panel( 2 NO):-Designing, Fabrication, Installation, Testing and Commissioning of LT Control Panel of 415 volts, AC 3 phase, 50 HZ for 90/100 HP capacity motor Installed at pump room. The panel shall be dust and vermin proof fabricated out of 14/16 SWG CR sheet. The panel should be sturdy enough for vibration free operation and should be equipped with suitable Locking/ Sealing arrangement. The structure should be provided suitable entry and exist holes for incoming and outgoing cables. The panel should be given two coats of anti-Rust primer and two coats of enamel paint. It should be equipped with MCCB 250 Amp 35KA in input side for short circuit protection, Contractor MNX 185 A-2no Scneider Make or equivalent) for main and delta supply and 1No contractor 140 Amp (Scheneider Make or equivalent) for star operation, I No timer for change over the supply of motor from star to Delta, 2 No push buttons for stop and start operation of motor. 1No thermal relay fitted with main contractor. Metering: The enclosure should be voltmeter, ampere meter are to be provided along with the required current transformer and selector switches. All control wiring should be neat and clean with flexible copper cable to complete the star- delta circuit of outgoing supply. Features and specifications a)Automation:- the system shall trip off the motor on power failure and on appearance of an electrical fault mentioned below which may otherwise damage the motor field coils and restart the motor automatically on resumption of electric fault thus providing automation to the system and protection to the motor. The system shall provide against:- 1. Low voltage below 350V. 2. High voltage above 450V. 3. Single phase. 4. Reverse phasing. 5. Un Balanced phasing. 6. Dry running. 7. Over loading. Testing and Commissioning of control panel by making connecting to incoming terminals and outgoing terminal of control panel. The job includes providing/ Laying/ fitting of suitable PVC copper conductor properly thimbles at the ends. Testing the performance of the panel on no load and on full load. The job includes the cost of all types of material and labour charges. Voltage Stabilizer(1 NO):- Supplying/Providing/fitting of 200 KVA oil cooled manual operated step up/Down voltage stabilizer with following Specifications :- Input Voltage Range 290 ( Phase to Phase) out 400-410 Volts + 5% (Phase to Phase) The stabilizer should be fitted with MCCB 300 Amp at output side of Stabilizer. The Stabilizer shall filled with fresh T-oil. Complete job includes mechanical transport/Manual labour for delivery of Stabilizer at Site. Complete job Panel Board, Main switch (1 NO)- Fabrication of panel board out of MS angle iron 40mm x 40 mm x 6 mm having a rectangular frame (6ft x 2 ft) and 2 no horizontal legs and 2 no vertical legs for mounting on the wall and on ground in the pump room, fitting of 12 mm thick one sided mica ply in the Angle iron rectangular frame (6ft x 2ft), cutting/drilling of holes for fitting of different equipment over it. Providing and fitting of 1 No. Main switch of HRC type 300 Amp capacity. Job includes proper installation of panel board at appropriate place first by way of creating two No. holes in the wall and two No. pits in the ground and then fixing with cement concrete mix. Connecting the panel board to the incoming outgoing cables with providing & fitting of thimbles to the cable leads. Job includes cost of material, labour charges for skilled and semiskilled workers to be deployed for execution of complete job Painting:-Cleaning all the surfaces of suction and delivery lines by scrubbing with emery paper, sand paper, wire brushes and then applying a single coat of red oxide primer, drying out at moderate temperature then applying two coats of black synthetic enamel paint for smooth and even shades. Job includes cost of material and labour charges. Cables :-providing and fitting of following size of PVC insulated copper cable with thimbles :- 1. Providing and fitting of 3.5 x 240 Sq mm core armored aluminum cable from Transformer to Main Switch 2. Providing and fitting of copper cables 70 sq mm from Main Switch to voltage stabilizer- 3. Providing and fitting of copper cables 35 sq mm from Voltage Stabilizer to the LT Control Panel/Star delta manual Starter 4. Providing and fitting of copper cables 35 sq mm from LT Control Panel/Starter to motor All the cables shall be of requisite current carrying capacity as per the equipment and shall be routed through the flexible conduit and firmly connected to the electric points of stabilizer, main switch starter and motors. Chemical Earthing:- Providing and fixing of Chemical Earthing by way of digging of pit approximately 2Mtr. Providing and fitting of copper electrode with chemical material and Providing and laying of copper wire with proper nut-bolts. Complete job includes cost of material, labour charges, and tools-tackles for working at site. Complete job includes the cost of material and labour charges for skilled and semi-skilled workers deployed for execution of work. Testing Commissioning:-Testing commissioning of the newly installed pumping units pump room along with allied starting and controlling devices for their smooth functioning. Rectifying the faults noticed during testing and also setting, adjusting the instruments of the panel Board , LT Control Panel and tightening of each cable thimbles of electrical points of stabilizer, main switch, starters and motors and realignment/leveling of pump & motor and checking the leakage of water from suction and delivery line if any. Job includes labour charges for skilled and semiskilled workers deployed to complete the job.

Providing, Installation, Testing & commissioning of 8000 GPH x 30 mtrs head mono submersible pumping unit for suction line/dugwell with allied works. he job includes providing of mono block submersible pumpsets ( 1nos + 1 standby ) along with starter and submersible copper cable and then shifting the same to the site of work i-e., l by mechanical transport upto necessary road side and then by head load manually. Providing, Fabrication and fitting of M.S Nipple (of dia equipment of pump outlet dia) with monoblock submersible pumpset. Providing and fitting of delivery G.I Pipe line by way of welding, fabrication and filling of M.S Flanges, nut bolts of required size. The job further includes fitting of monoblock sub pump set with suction line of each HC pumping unit installed. Also installation of Starter for each mono sub pump at appropriate place in the pump room and laying of copper submersible cables of each submersible pumpset unit with making of leak proof. Pump cable joints at pump ends with the help of patch roll and taps. Also providing and fitting of copper cables of required current carrying capacity in between starters and the installed voltage stabilizer, then testing, commissioning on full load. Complete job including the cost of material, labour charges, tools and tackles and various types of transportation involved.