Tender for PUBLIC HEALTH ENGINEERING DEPARTMENT - NTID 29973721
PUBLIC HEALTH ENGINEERING DEPARTMENT
Bishnah, Jammu and Kashmir, India
NTID 29973721
- Opening Date : Fri 30th December, 2022
- Closing Date : Thu 29th December, 2022
- ₹ 1100000.00
- NTID 29973721
Providing, Installation, Testing And Commissioning Of Is Reputed Make Pumping Machinery Along With Other Allied Electrical And Electro-mech. Works At Wss Khwaskhan Of Block Bishnah Under Jal Jeevan Mission
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BOQ Items Total Items : 1 | Total Qty : 1
# | Item | Quantity | Units |
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1 | Providing, Installation, testing and commissioning of 7000 GPH X 100 Mtr X 20 HP(1 no.) and Providing of 7000 GPH X 100 Mtr X 20 HP(standby-1 no.) as per IS reputed make submersible pump-set along with allied works at Tube well Khwaskhan. Both the pumpsets shall have following specifications : The Pump bowl should be of close grained cast iron with renewable wearing rings of bronze material. The Pump shaft shall be of stainless steel, guided with stainless steel distance sleeves /shaft protection sleeves provided with each bowl above and below the stainless steel impeller. The Casing wearing rings shall be of bronze material. The Coupling shall be of Mesh type rigid sleeve of stainless steel, non-slipping type with matching groove and cotter arrangement to suite keyway provided. The Suction case shall be of close grained cast iron material. The motor should be three phase AC supply having nominal speed of 2900 RPM, 400 Volts + 15% of frequency 50 Hz + 3%. The motor should be totally enclosed squirrel cage induction type, water cooled and sealed against outside water being pumped. The windings shall be wet type water lubricated and provided with metal tilting thrust pad designed to take up all untoward load to most unfavourable running conditions. The upper chamber of the submersible pump shall be duly fitted with an NRV so that during stoppage of submersible pumpset reverse water cannot operate the pumpset in reverse rotation. The job involves fabrication of adopter Nipple/reducer nipple approx 0.5 mtr long fabricated out of MS Pipe, of which bottom end diameter is to be reduced to the delivery of Sub. Pump and threading the Pipe for screwing into the delivery portion to the submersible pump and other end of the adopter nipple is welded with MS flange of required size fabricated out of MS Plate for fixing with the column pipe.2 No nuts of required size are to be welded on opposite size of the proper piece so that clamping bolt of the tie rod can passed through it. Fabrication of the tie rod clamping arrangement for clamping the pump and motor to the upper adopter nipple, fabricated out of 40mmx6mm MS Plate as per required size at site. The upper ends of these flat strips should be welded with full threaded bolt 12mm dia. and 10 cm long. These bolts are to be passed through the nuts welded on the adopter nipple piece, tightening of the 12 mm double nuts on both sides including cost of material and labour charges. The Job includes coupling of both pumps and motors properly checking of movement of the pump, tightening of the adopter nipples to the delivery side of both the pumps, tightening of tie rods and testing of the pumpset in the testing pit at workshop. Shifting of the submersible pumps and 10 Sq mm 3 core flat submersible cable -80 mtr. In length to work site. Providing fitting of 3 core flat 10 Sq mm submersible cable-80 mtr. In length to be connected with submersible motor and other end shall be duly connected with Star delta dry starter. Lowering of submersible pumpset into the Tube well along with the column pipes(to be provided by deptt.) and requisite material such as rubber flanges, nut/ bolts etc. by using special tools and tackles. Making all electrical connections of Submersible Pumpset with LT control panel by proper thimbling and crimpling all cable ends and then testing and checking for specified amperage on full load. The standby submersible pump shall be properly stacked inside the pump room at appropriate place, so that it can be utilized in case of failure of the lowered submersible pumpset in future. Providing and Fitting of new Sluice Valve and Reflex Valve 80 mm dia one No. each of reputed make confirming to BIS on delivery line of the Column pipe and fitting by fabrication and fitting of flanges, rubber gaskets, nuts, bolts, etc. Complete job includes cost of material and labour charges at site of T/well Khwaskhan. Designing, fabrication, installation, testing and commissioning of LT control panel of 415 volt, AC-3 Phase, 50 Hz installed at T/well Khwaskhan. The panel box of size is (L x B x H) 3' x 1' x 4' dust and vermin proof fabricated out of CR Sheet supported on MS angle of suitable size of 1' height of each leg other than the size of the box. The panel is sturdy enough for vibration free operation and is equipped with suitable locking /sealing arrangements. The structure is provided with suitable entry and exit holes for incoming and outgoing cables. The panel is given two coats of anti-rust primer and two coats of steel grey / off white enamel paint. The panel is fitted with exhaust fan for smooth functioning of the panel. The panel is equipped with following components / feature: MCCB:- The panel is fitted with a MCCB of 125 Amps., Voltmeter ( 0-500 V)- 01 no., Ammeter (0-100 A)- 01 no. along with set of CTs , voltage selector switch- 01 no., Ampere selector switch-01 no. Star-delta Starter: The panel is fitted with fully automatic star delta starter comprising of air break contactors of capacity 110 Amps.-3 nos., Timer 01 no for change over of the supply of motor from star to delta, push buttons- 02 nos. for start and stop operation of motor, LED indicator-03 nos.(Red, Yellow and Blue) for indication of RYB phase, LED indicator-01 no.(Yellow) for tripping indication and LED indicator-02 nos. for ON(Green) and OFF(Red) indication, The panel shall have internal control wiring (1 sq mm) with flexible copper cable to complete the star delta circuit of outgoing supply with MCB 6 amps.- 01 no. for protection of internal control wiring. The job also includes providing and fitting of main control wiring not less than 25 sq mm flexible copper cable / copper bus bar of suitable size attached to the MCCB and contactors to complete the circuit for smooth functioning of panel. Protection device.: A protection device is fitted with the panel with capability to: Protect the motor by isolating the power supply of motor by de-energizing the panel from following electro-mechanical faults which may otherwise damage the motor windings: 1. Voltage related fault: (i) Single cum reverse phase relay. (ii) Under cum over voltage relay Adjustable type . 2. Over current faults: Over current relay adjustable type. Bimetal overload relay : A bimetal overload relay which can be tripped as an extra protection to protect the motor in case of failure of Over current relay. The panel is equipped with terminal plate/Bus bar for connecting leads of submersible cable. The panel is fitted with an auto operating system comprising of delay timer - 01 no. and Time switch(Quartz) -01 no. to set the time of the motor's running ( in auto mode). The panel is fitted with an automation system in which the motor tripped due to power failure or by the protection device, should restart automatically after the resumption of power. The panel should be equipped with the arrangement to changeover the mode from manual to Auto or vice versa simultaneously. Making all electrical connections of Submersible Pumpset with LT control panel by proper thimbling and crimpling all cable ends and then testing and checking for specified amperage on full load. Providing/fitting of 25 sq mm single core copper cable 35 mtr in length for connection of power supply to LT Panel from voltage stabilizer and voltage stabilizer to Main switch of reputed make and conforming to IS standards. Each and every work on the above mentioned job shall be of high workman ship and properly thimbled, taped where required as per site requirements. Complete job including cost of material, labour, transportation and miscellaneous items if required, Complete job. Providing, installation, testing and commissioning of 3 Phase 63 KVA manually Operated copper wound oil cooled Voltage stabilizer at Tube well Khwaskhan with 1st filling of transformer Oil conforming to relevant IS code suitable for operation on unbalanced voltage input 160 V to 400 V AC supply to deliver balanced output of 400 + 10% volts, 3 Phase, 50 cycles Ac supply comprise of core made of silicone steel bound with copper coil conductor of appropriate quality conforming to BIS with dielectric oil of proper valve for cooling stabilizer assembly. The complete unit should be in steel case enamel painted and fitted with steel wheel rollers for easy portability. The 3 phase manual operated copper wound oil cooled Voltage Stabilizer shall have the following characteristics features;- I. Continuous duty performance at ambient temperature 200C to 550C. II. Stable and effective under system power factor and frequency fluctuation as well as over loaded up to 50 % of the connected load. III. Low internal impedance. IV. Negligible wave form distortion during starting under operation and stopping condition. V. Accommodate the effect of higher starting current and should be able to recover from the shock. VI. No over shooting or hunting. VII. negligible phase shift ensuring no change in system power factor. VIII. The Stabilizer shall have ; a.) Suitable Breather b.) Leak proof de-sledging and drain cock for transformer oil. c.) Lifting Hooks provided at suitable position for handling or equipment. d.) Oil gauge for monitoring Oil levels of transformer oil. The equipment Shall be designed and manufactured ensuring the safety requirements as envisaged in IS:8447 and IS:302 both with latest amendments. The stabilizer should be provided with a arrangement to avoid any seepage of water into the voltage stabilizer. The stabilizer should be incorporated with core of 1st quality of CRGO/silicon steel with the conductor of 99.95% electrolytic copper. The body of the stabilizer shall be of M.S. Sheet having thickness of 14/16 SWG with the suitable sized tank to accumulate approximate or equivalent Transformer Oil as per the site requirement. The job also includes Providing/fitting of following component /accessories. i. MCCB/Fuses (125 Amp.) Reputed Make ii. Volt meter/ Ammeter/ Selector Switches/ Indicator lamps Reputed Make iii. High voltage and low voltage, relays, earth fault relays Reputed Make iv. Single phase preventor Reputed Make cut off alarm v. By pass switches (125 Amp.) Reputed Make vi. Rotary switch of suitable rating should be provided to adjust the output voltage of suitable rating and should be of reputed make and of heavy duty to withstand all the tests and working load. The regulator should be of heavy duty to with stand all the tests and working load. vii. Heavy duty terminal block for input and output connections should be of reputed make and meant for heavy duty. Reputed Make conforming to IS: specifications. viii. Gauge of the sheet out of which panel will be fabricated. 16 / 18 SWG The job also includes providing of fresh Transformer oil 140-180 litres (approximate or above as per requirement). The Voltage stabilizer shall be marked with manufactures name and trade mark on the plate fitted on the stabilizer indicating rating in KVA, range of input and output voltage , rated output current, frequency, number of phase, type of load viz. unbalanced input and balanced load , quantity of transformer oil and also the reference to the IS: standard. The job also includes Providing and Fitting of 95 mm sq. 3.5 core Al. Armoured service cable 40 mtrs in length. The job includes Providing/fitting of 200 A Main Switch and 30 HP manual star delta starter duly filled with T-oil and both shall be fitted on the distribution board at appropriate position with the help of manual labour and required tools and tackles. Fabrication and Fitting of LT Distribution board at T/well Khwaskhan made out of angle iron (50 mm x 50 mm x 6 mm) frame 4 x 2 and 6 in height having two angle iron extensions supports 1 in length for grouting in the wall. The frame is to fabricated by way of providing and fitting of superior quality ply board 4 x 2 duly furnished with high quality sunmica and fitting it on the frame with nuts and bolts, 3 No switches and 1 No 5 pin socket, Ampere Meter (0-100) with CT, Volt meter (0-500). The job also includes providing and welding of 1 No. Additional flat iron strip at the bottom of the panel board for holding/mounting the starter. Providing of 3 ton capacity chain pulley block with chain of 6 mtr. For extraction/ lowering of submersible pumpset. Complete job includes the cost of material, labour charges, other unforeseen material, transportation charges including manual carriage, hire charges of tools and tackles required for execution of job at site. (Complete Job). Note: Providing of third party inspection certificate of RITES/CEIL or any other approved Government agency. The Characteristic Curve of pumping equipment is compulsory and pumping unit is to be approved from the concerned department before installing. Earthing of the Electro mechanical equipments installed at T/well Khwaskhan. The Job includes earth work by digging of pit upto 8 ft, providing & fitting of G.I earthing plate with providing and laying of aluminium strip from earthing plate to the pump room as riser and then earthing of LT panel, stabilizer and neutral phase of 3 phase electric supply with earthing wire. Providing & filling of charcoal & salt in layers as per the electrical specifications, Providing and fixing of GI pipe 1 dia with funnel for watering to keep the earthing pit wet to maintain conductivity include testing and commissioning on No/full load. The Job includes cost of the material and labour charges. Illumination of T/well premises outside pump room along the approach by Providing/Laying of 04 Nos power circuits laid with PVC Wire 1.5 mm sq. in the premises of the pumping station connected to panel having 15 Amp. switch one each for each light. Providing/Fitting of miniature circuit breaker suitable to trip on specified abnormal conditions such as those of short circuit/overload etc. Fabrication, P/F of brackets holders, halogen lights of requisite capacity. The job also includes illumination of the pump room by way of providing and fitting of 4 No. miniature circuit breaker laid with PVC wire 1.5 mm sq. inside the pump room along with 4 Nos. 25 Watt LED Tube lights and also providing and fitting of 1 No. ceiling fan of reputed make confirming to BIS in the pump room with the help of hooks/fasteners, nuts and bolts, testing and commissioning, etc. Complete job includes cost of material and labour charges. | 1.000 | Job |
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