NIT No-16 EE (SDW) II/ (25-26) Item No. 01

Disconnecting and dismantling of old starter connected with motor LT supply from LT panel, opening/cutting the Nut bolts of starter & earth strip along with shifting the panel to store with require cutter, tools and tackles, including manpower etc.

Dismantling of existing pump, motor, suction/delivery line including all mechanical equipment’s by cutting of rusted M.S nut bolts and foundation bolts by gas cutter set and electric welding machine, removing all the nut bolt and worm out M.S Base frame from the RCC foundation suction and delivery side by gas cutter set and electric welding set job also includes dismantling the suction & delivery side sluice valve, NRV, taper bend etc. as per side requirement and lifting of pump and motor on ground level.

Safety arrangement like Air Face Mask, Air Line, Helmet, Gum Boots, Hand Gloves, Safety Belts, Portable Ladder, First Aid Box, Caution Tape, Barrier Cone, Litmus Paper, Torch, etc arranged by the firm at site of work for safe working.

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge. (DSR-2023- 15.3)

Making of RCC foundation of size (LxBxH) 8.5x5x3 ft. by 1:2:4 (1 cement: 2 coarse sand (zone-III) derived from natural sources: 4 graded stone aggregate 20 mm nominal size derived from natural sources) grouting Foundation bolt size and quantity as per requirement. (DSR-2023-4.1.3)

Providing of 3 phase TEFC squirrel cage Induction AC Motor, 75 HP/55 KW, 1500 RPM, 4 pole Horizontal Foot Mounted Squirrel Cage Induction Motor, IE-3 suitable for operation on 415 +/- 10 % V,3 phase, 50 HZ, +/- 5 % AC, confirming to IS-12615 (772000 less 30%) (SOR DJB Item Code: 3.64.19). Make: KEC/ CG/ ABB/ Siemens/ BBL/ any DJB approved make.

Providing of Horizontal centrifugal Non End Suction Pump 150mm x150mm suitable for handling raw sewage/waste water having 380 Cu mtr/Hr discharge at 30 Mtr Head with 130mm Dia Free Passage/ solid handing. The pumps should be of back pull out design fitted with spacer type coupling so that the maintenance of pumps can be done without disturbing the suction, discharge, piping and motor. The Pump shall be mechanically sealed (in tandem arrangement) with Two bi directional mechanical seals (MOC SiC) in tandem arrangement having fluid reservoir for high operating reliability, Zero Mantainence and long life. The seal should be lubricated with the pumped liquid or oil or both.The pumps should be provided with hand hole on casing so as to remove any clogged material externally without opening entire assembly.Pump should have provision of following sensors for monitoring purpose :- Make: KBL/Wilo M&P/Jyoti/KSB/DJB approved make. · PT 100 resistance thermometer at the bearing · Leakage monitoring unit at the shaft seal Material of construction should be :- · Casing : NICI · Impeller : CF8M · Shaft : 1.4021+QT 800(SS 420)/SS 410 · Wearing Ring : Chrome Steel with 400 BHN hardness · Base frame/ plate : MS fabricated · Seal : Bidirectional Mechanical seal. SiC/SiC · Solid pass through : 130mm

Installation of new Pump set and making Suction and Delivery line connections with new rubber sheet, Nut bolts, Flanges, NRV, Sluice Valves, Base frame, etc complete in all respect as per site requirements with the help of all labor like Fitter, Welder Cutter, Helper, Beldar, Electrician, and Supervisor etc. and material like Welding machine ,Cutter Set ,Oxygen Cylinder, Nut Bolt ,Pecking Sheet ,welding rods, and T&P etc. As per site requirement.

Earthing with G.I. earth pipe 4.5 meter long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required. (SOR DJB Item Code: 35.1.2)

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 meter below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm)(SOR DJB Item Code: 35.1.9)