Tender For Dg Chandrapur Industrial Area Maintenance and repair To pipe water supply scheme At Chandrapur Industrial Area Repairing Work Of Fabrication And Electromechanical Equipment- 1 Cleaning of CLF by draining, manully removing sludge and washing with water all inner and outer walls complete. 2 Dismentling of existing Bridge parts with central bearing assembly from clariflocculator by using gas cutting, machinery, tools and tackles, etc 3 Replacement of central bearing assembly of CLF including bearing housing, bearing spindle, thrust bearing, deep groove ball bearing, hinge pin joint, turn table etc. complete 4 Replacement of flocculator assembly of CLF equipment including electric motor, worm gear reducer, inter connecting couplings, m.s. paddles, flocculator arms, base frame, painting etc 5 Repairs of traction drive assembly of CLF with electric motor, worm gear reducer, chain drive, interconnecting C.I. couplings, m.s. wheels by new polyurethane wheels , self align bearings, bearing housings. and 2 coats of epoxy paint. 6 Providing inner suspender assembly of CLF having framed strcuture fabricated from m .s. angles and channels in the flocculator tank provided with m.s. scrappers with neo-prine rubber squeezes at the bottom for scraping sludgewith one coat primer and 2 coats of epoxy paint. 7 Replacement of outer suspender assembly of CLF having framed strcuture fabricated from m.s. angles and channels in the clarifier tank provided with m.s. scrappers with neo-prine rubber squeezes at the bottom for scraping sludge with one coat primer and 2 coats of epoxy paint 8 Painting (CW-PTG) 9 Epoxy painting on both side of approved colour shade of provided iron work/ MS/ CRCA sheet steel work complete along with anti-rust treatment complete 10 Replacement of electrc control panel of clf equipment , outdoor type having with 3 phase DOL starters, 32 Amp MCB for isolation interconnected by copper wiring ,the panel shall have earthing terminal including cable glands etc complete 11 Repairing concrete traction pathway of CLF : - Dismantling and removing existing damaged pathway and old loose concrete and casting new concrete pathway with special concrete adhesive i.e. grout with ACPRS LCNR & anti skit concrete (mortar slury) & PU for smooth movement of traction wheels on the pathway without sliping 12 LT Cables (Aluminum) (CB-LT/AL) 13 Supplying, erecting & terminating FR XLPE insulated, galvanised steel formed wire armoured (strip) cable, 1100 V 3½ core 35 sq. mm. aluminium conductor complete erected with glands & lugs on wall/ trusses/pole or laid in provided trench/ pipe as per specification no.CB-LT/AL 14 LT Cables (Copper) (CB-LT/CU) 15 Supplying, erecting & terminating FR XLPE insulated, galvanised steel wire armoured (round) cable 1100 V, 4 core 4 sq. mm. copper conductorcomplete erected with glands & lugs, on wall/ trusses/ pole or laid in provided trench/ pipe as per specification no. CB-LT/CU 16 Removing loose rust from the reinforcement bars by wire brushing, light hammering etc. and applying sulphate and chloride free inorganic single component rust remover Rusticide as approved by Engineer in charge conforming to IS9077. The rusted surface shall become blackish non rusted colour. After 24 hours of application of rust remover, loose particles shall be removed by brush. Apply one more coat of Rusticide. Apply bonding coat slurry of high performance acrylic polymer - Methyl 2-methylpropenoate copolymer with another enoate as approved by Engineer in charge onentire surface. Mix 1 Kilogram of acrylic polymer with 0.5 Kilogram of cement. Finish it with ready to use repair polymer modified mortar based on special cements, formaldehyde based polymer with thixotropy modifying agents as approved by Engineer in charge (The Polymer Modified Mortar (PMM) should attain min. compressive strength of 20 N/mm2 in 1 day and 30 N/mm2 in 7 days) by adding 13 -16% water by weight of polymer modified mortar for treatment to the damaged RCC members. Add 1 Kilogram of Migrating Corrosion Inhibiting Admixture as approved by Engineer in charge per 25 Kilogram bag of polymer modified mortar. After mixing polymer modified mortar, it can be trowel applied or sprayed. When applying by hand, polymermodified mortar must be forced tightly into the substrate to ensure complete contact with the substrate. (15-30 mm thickness at a time).(Rates excluding GST) 17 Providing and Applying ACPRS PLCR SYSTEM PRIMER followed by ACPRS PLCR SYSTEM finish coat to the internal surface having two component system non toxic, solvent free, low VOC, safe for contact of potable water and food stuff when applied on exposed concrete / steel surfaces. Manufacturer should have the Dakks certification as well as ISO 9001:2015 accredited for manufacturing and formulation.(Rates Excluding GST) 18 Providing Flash Mixer assembly including Agitator fabricated from Stainless steel shaft dia 40 - 50 mm, and paddles 5 mm thick. Dynamically balanced at 100 rpm. Drive assembly consisting of electric motor 2 hp., worm gear reducer – 337., and flexible coupling , makes – motor & Gear box. Base frame – fabricated from ismc – 100 x 50 with two coats of epoxy enamel paint. Electrical panel outdoor type with canopy powder coated, with starter and mcb complete. 19 Dismantling, Repairing, refixing of existing Sluice valves up to 200 mm dia including tools, tackles, cutter, skilled & unskilled labours and joining with welding, fixing in place after rectifying internal material etc, complete 20 Providing, transporting, cutting, fabricating, welding, hoisting and erecting in position welded or bolted structural steel work consisting of column bases, columns, columns caps, roof legs trusses, portals, wind girders, gantry girders, plate girders, purlins, bracing etc. for structural steel work manufactured out of steel plates rolled sections like I beams, channels, angels, erection bolts as may be required, erecting using devices like derricks, cranes or any other suitable guys etc. and final bolting, welding, testing as may be required including two coat of red oxide zinc crome paint and two coats of synthetic super enamel paint of approved colour and shade. All materials and labour complete. (Rates excluding GST) 21 Providing and erecting Cast Iron Sluice Gate manufactured and tested as per IS: 3042-1965,designed to sustain 2 kg/cm2 pressure, Gates to be provided with brass seats, and spindle of MS bright bar of required height to enable to operate the gate from operating slab of intake structure including GM nut bolts SS-304 hardware, necessary wedges to be provided to achieve leak tightness, including operation wheel, head stock, foundation material, labour etc. complete including taxes and duties except octroi. (Rates excluding GST) 22 300 mm x 300 mm size 23 Providing and supplying and fixing at site work ductile Iron / spherodial graphite (SG) iron D/F non rising spindle resident seated glandless Sluice valves with hand wheel and without bypass arrangement valves in accordance with BS 5163 of PN 10/16 rated, with body and bonnet of ductile iron conforming to IS:1865, Gr. 500/7 or Gr.400/15 wedge fully encapsulated WRAS approved EPDM rubber (approved for drinking water) wedge nut of brass shaft of stainless steel 1.4021 / 1.4104 stem seals min. 3 nos. Of NBR internal fasteners of stainless steel A2 body and bonnet coated inside and outside with electrostaticly applied epoxy powder coated blue colour suitable for drinking water as per DN 30677-2 and GSK guidelines with a coating thickness of minimum 250 Micron. Valves should be full bore and tight shut off flange drilling as per IS:1538 aised face and pressure testing at manufaturers work shall be done as per as IS:14846 including 24 PN 10g) 300 mm
