Tender for PUBLIC HEALTH ENGINEERING DEPARTMENT - NTID 29973720
PUBLIC HEALTH ENGINEERING DEPARTMENT
Jammu, Jammu and Kashmir, India
NTID 29973720
- Opening Date : Fri 30th December, 2022
- Closing Date : Thu 29th December, 2022
- ₹ 350000.00
- NTID 29973720
Providing, Installation, Testing And Commissioning Of Is Reputed Make Pumping Machinery Along With Other Allied Electrical And Electro-mech. Works At Wss Biaspur Of Block Suchetgarh 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 10000 GPH X 76 Mtrs X 25 HP head as per IS reputed make submersible pump-set along with allied works at existing Tube well Biaspur Parlah in WSS Biaspur. 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 Submersible 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 Nos nuts of required size are to be welded on opposite side of the proper piece so that clamping bolt of the tie rod can passed through it. The fabrication of tie rod clamping arrangement for clamping the pump and motor to the upper adopter nipple, fabricated out of 40 mm X 6 mm MS Plate as per required size at site. The upper ends of these flat strips should be welded with full threaded bolt 12mm diameter 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 pump and motor properly checking of movement of the pump, tightening of the adopter nipple to the delivery side of the pump, tightening of tie rod and testing of the pumpset in the testing pit at workshop. Shifting of the submersible pump to work site. Extraction of the old submersible pump by using requisite tools/ tackles and manual labour etc. Providing and fitting of 3 core flat 10 sq mm submersible copper cable 50 mtrs in length with requisite tools tackles, crimpling, thimbling patching, taping etc. Lowering of submersible pumpset into the Tube well along with the column pipes 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. Note: Providing of third party inspection certificate of RITES/CEIL or from 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. Designing, fabrication, installation, testing and commissioning of LT control panel of 415 volt, AC-3 Phase, 50 Hz installed at existing T/well Biaspur Parlah. 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 70 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. Providing/fitting of 200 A 3 pole HRC type Main switch which shall be properly fixed on the wall with requisite materials and tools/tackles and providing/fixing of 16 sq mm copper cable 20 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. 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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