Dam Rehabilitation and Improvement works of Servalar Dam (Package I - Civil, Mechanical and Electrical works) in Tirunelveli Generation Circle, Tirunelveli District, Tamil Nadu under the World Bank funded DRIP (Phase II and III)

Amount

Clearing scrub jungle and disposing of the same away from the site as directed by the Engineer in charge of the works and as per technical specification.

Earthwork excavation and depositing on bank with initial lead of 10 m and initial lift of 2m in hard stiff clay, stiff black cotton hard red earth, shales, murram gravel, stoney earth, earth mixed with small size boulders and hard gravelly soil.

Drilling holes of 32mm dia in rock for providing 25mm dia grip rods including cost of drilling, labour, lead and lift etc, complete including cost of all materials, with all lead and lift etc., Complete.

Supplying and Providing grip rods of 25mm dia and 2.5m long RTS including cost of all materials, Cutting, bending and fixing in position and grouting with cement slurry with all lead and lift etc., Complete.

Dismantling the existing RCC concrete by using machineries and removed from site including cost of all materials, lead, lift etc complete

Providing and placing in position Plain Cement Concrete 1:2:4 using broken hard granite coarse aggregate size of 20mm and down graded including placing in layers and vibrating, curing, finishing the surface with all leads and lifts, labour etc., complete as per the direction of the Engineer and complying with standard specifications.

Providing and placing in position RCC M25 grade using broken hard granite coarse aggregate (well graded) of nominal maximum size of 20mm and downgraded to I.S. specified grading and mixing the ingredients in approved mixer including placing in layers and vibrating, curing, finishing the surface with all leads and lifts, labour etc., complete including double side shuttering but excluding cost of reinforcement as per the direction of the Engineer and complying with standard specifications.

Providing reinforcement of MS/RTS rod including cutting, bending, tying and placing in position including cost of all materials, leads, lifts etc. complete.

Supplying and laying in position of GI pipe line of 125 mm dia medium class as per IS 1239/PART I/ 2004 of as directed by the Engineer in charge for water supply arrangements including cost of all materials, specials such as Tees, bends, Couplings, cutting, threading, joining, specials and fixing the pipe above ground with necessary anchor where ever necessary, all lead, lift etc., complete.

Supplying and fixing 125 mm Gun Metal wheel valve of ISI make (Heavy duty)as approved by the Engineer in charge including cost of all materials labour charges for fixing etc., all lead, lift etc., complete.

Plastering with CM 1:3, 20mm thick for floor plastering including cost of all materials, lead, lift etc., complete.

Supplying and fixing in position of steel door of with single leaf shutter fully of MS plain sheet of 18 gauge thick with 35x35x5mm ISA for outer frame and 25x25x5mm ISA for shutter frame and bracing with 20x5mm MS Flat and providing all accessories including cost of all materials, lead, litfs etc., complete as per specification and drawing.

Flushing of foundation shafts using compressed air less than 4 hours operation using drill rods/ hose with required size of pipes for 125 Cfm (100 PSI) capacity compressor including transportation, labour, and fuel charges for compressors as directed by the engineer in charge etc complete.

Providing 'Poly Ironite Ceramic Cementitious (PICC)' or equivalent for masonry joint filling to a depth of 5 cm including preparing of 'T' joint of masonry by removing existing loose portion of stone masonry by racking out the masonry joints / epoxy treated joints to required depth, cleaning with special chemical 'Steripure 100' with pressure water jet for removing to algae fungi; applying bond coat before PICC application and top coat after finishing, complete as per specification including cost of all materials, machinery, labour, scaffolding, hire charges of cranes, insurance charges, transportation with all leads and lifts and any other incidental charges as directed by the Engineer in charge to the upstream face area of Dam.

Providing cementitious 1:3 mortar for filling of big cavity to the masonry joint upto 30 cm depth complete as per specification including coat of all materials, machinery, labour, scaffolding, hire charges of cranes, insurance charges transportation with all leads and lifts as directed by the Engineer in charge.

Pack grouting the holes by approved quality Poly Cementitious material as per requirement to reduce the porosity of masonry surface and to increase the strength of structure using grouting m/ c, mixer etc and all relevant safety with all lead and lifts, etc. complete as per specification and as directed by Engineer in charge.

Water Leakage Arresting Treatment & Porous Area Stabilization including supply and application charges for PU Injection work using Mc-Injekt 2700L or equivalent including cost of all materials and machinery, packer, perforated pipes, quickset component, labour charges, transport charges, all leads, lifts, etc., complete (Payment will be made only if the leakage is arrested in the area where seepage is identified and marked by the Engineer in charge.)

Supply of 10 manual labourers to clean and remove the debris chocking the scourvent trash rack during the entire period of LC for carrying out the inter connecting tunnel outlet concrete works including cost of all material, labourers, all tools & plants, wire rope and all safety equipments etc complete.

Replacement of existing pump well intake screening arrangements by new one as per the instruction of Engineer at site including the erection charges, working in hanging condition, cost of materials, all labour charges, tools & plants, lead, lift, etc., complete.

Providing two coats of colour washing with weather proof emulsion paint of approved quality and colour over one coat of weather proof primer for inner& outer face after through cleaning the existing surface including cost of all materials, lead, lift, labour charges, scaffolding etc complete dam top, gauge reader room and gate operating room.

Supply, erection, testing, and commissioning of 415 V, 200 Amps TPN metal clad switch with rewirable fuse unit of reputed make with ISI standard with supporting arrangements to the satisfaction of the Engineer at site including cost of materials, labour, lead, lift etc., complete.

Supply, erection, testing, and commissioning of 415 V, 200 Amps TPN LT changeover switch of reputed make with ISI standard with supporting arrangements to the satisfaction of the Engineer at site including cost of materials, labour, lead, lift etc., complete.

Supply, erection, testing, and commissioning of LT Supply distribution panel for spillway gates with 415 V, 100 Amps TPN MCCB as incoming 415V, 32 Amps, TPN MCCB – 8 Nos, 415V, 32 Amps, TPN MCB – 3 Nos, 415V, 16 Amps, SPN MCB – 5 Nos of reputed make with ISI standard as outgoing feeders erected in a metal cabinet suitable for outdoor use as per ISI standard and internal wiring with adequate bus bar arrangement, metering arrangement including ammeter, voltmeter and ON/OFF indicating lamp etc., to the satisfaction of Engineer at site including cost of materials, labour, transportation, lead, lift etc., complete.

Supply, erection, testing and commissioning of gate motor control panel for 10/12.5 HP motor rating with 415 V 63 Amps TPN MCCB as incoming control, contactors of make L&T/ Siemens/ C&S/ABB or any reputed make of adequate rating/ capacity with ISI standard, over load relays with adequate rating, UP/STOP/DOWN control, ammeter, voltmeter, indication lamps, provision for connecting 3 nos. of limits switches each for both controls and with adequate capacity terminal blocks erected in a metal cabinet suitable for outdoor use as per ISI standard etc to the satisfaction of the Engineer at site including the cost of materials, labour, lead, lift etc complete.

Supply, erection, testing and commissioning of limit switch of 415 V, 3 Amps rating with adequate number of contacts, outdoor type of reputed make with ISI standard at dam top with necessary supporting arrangements to the satisfaction of the Engineer at site including cost of materials, labour, lead, lift, etc., complete and less the cost of retrived materials.

Supply, laying, testing and commissioning of new 3 1/2 core x 70 sq.mm, 1100 V, UPVC insulated, armoured, multi stranded, LTUG copper cable of reputed make with ISI standard inserted in 100 mm dia, class 3 (6 kg/sq.mm) UPVC pipe of finolex or equivalent make, UPVC fittings, laying the cable in concealed / open wiring as required at dam top to the satisfaction of the Engineer at site including cost of materials, labour, lead, lift, etc., complete and less the cost of retrieved materials.

Supply, laying, testing and commissioning of new 3 1/2 core x 25 sq.mm, 1100 V, UPVC insulated, armoured, multi stranded, LTUG copper cable of reputed make with ISI standard including cost of cable, 65 mm, class 3 (6 kg/sq.mm) UPVC pipe of finolex or equivalent make, UPVC fittings, 8 SWG GI earth wire and laying the cable in open / consealed wiring as required at dam top to the satisfaction of the Engineer at site including cost of materials, labour, lead, lift, etc., complete and less the cost of retrived materials.

Supply, laying, testing and commissioning of new 4 core x 10 sq.mm, 1100 V, UPVC insulated, armoured LTUG copper cable of reputed make with ISI standard with 8SWG GI earth wire including cost of cable, 65 mm dia UPVC pipe finolex make or equivalent, UPVC bend and chipping the concrete for adequate depth and width and filling the portion with concrete after laying the cable to the satisfaction of the engineer at site including cost of materials, labour, lead lift etc complete.

Supply, laying, testing and commissioning of new 4 core x 4 sq.mm, 1100 V, UPVC insulated, armoured LTUG copper cable of reputed make with ISI standard with 8 SWG GI earth wire including cost of cable, earth wire, 50 mm dia UPVC pipe finolex make or equivalent, UPVC bend and chipping the concrete for adequate depth width and filling the portion with concrete after laying the cable to the satisfaction of the Engineer at site including cost of materials, labour, lead lift etc., complete.

Supply, laying, testing and commissioning of new 4 core x 2.5 sq.mm, 1100 V, PVC insulated, armoured, multi stranded, LTUG copper cable of reputed make with ISI standard, 14 SWG GI earth wire, 32 mm UPVC pipe of finolex or equivalent make with ISI, UPVC fittings, laying the cable in open/ concealed wiring as required at dam top to the satisfaction of the Engineer at site including cost of materials, labour, lead, lift, etc., complete and less the cost of retrieved materials.

Supply and laying of new 25 x 6 mm GI flat for earthing by clamping on the wall or floor as per ISI standard to the satisfaction of the Engineer at site including cost of materials, labour, lead, lift etc., complete.

Supply, erection and testing of new single rod maintenance free earthing electrode of ¾'', 10' length copper bonded steel rod, earth pit treatment by Ground enhancement material (GEM), terminal connection made by CADWELD PLUS or equivalent Exothermic method, interconnecting the earth pits by 8 mm dia copper bonded steel rod etc., confirming to respective IEC standard by excavation of earth pit, earth pit treatment, necessary masonry work with man hole cover, measuring the earth resistance, painting the earth pit cover with double coat green enamel paint, numbering, writing the measured earth resistance on the cover etc. near the power room to the satisfaction of Engineer at site including the cost of materials, labour, lead, lift etc., complete.

Supply, erection, testing and commissioning of new 5 HP, 415 V, 3 phase open well submersible motor pump set of suitable head with starter control panel with automatic level control arrangements of any reputed make with ISI standard, GI fittings of adequate size, send out the pumped water to outside of gallery using good quality PVC hose of adequate size, cables of 3c x 4 sqmm for connecting the motor to starter, necessary supporting arrangements and clamping the to the satisfaction of the Engineer at site including cost of materials, labour, lead, lift etc complete.

Overhauling, testing and commissioning of existing 60 HP induction motor used in the gate hoisting mechanism as per ISI standard including the charges for dismantling, cleaning, improving the IR value, varnishing, inspection and greasing of bearing, assembling, erection, painting with suitable colour enamel paint, testing, commissioning of the motor etc., to the satisfaction of Engineer at site including the cost of materials, labour, lead, lift, etc., complete.

Overhauling, testing and commissioning of existing 20 HP induction motor used in the gate hoisting mechanism as per ISI standard including the charges for dismantling, cleaning, improving the IR value, varnishing, inspection and greasing of bearing, assembling, erection, painting with suitable colour enamel paint, testing, commissioning of the motor, etc., to the satisfaction of Engineer at site including the cost of materials, labour, lead, lift, etc., complete.

Overhauling, testing and commissioning of existing 10 / 12.5 HP induction motor used in the gate hoisting mechanism as per ISI standard including the charges for dismantling, cleaning, improving the IR value, varnishing, inspection and greasing of bearing, assembling, erection, painting with suitable colour enamel paint, testing, commissioning of the motor, etc., to the satisfaction of Engineer at site including the cost of materials, labour, lead, lift, etc. complete.

Overhauling, testing and commissioning of existing 3.5 HP induction motor used in the gate hoisting mechanism as per ISI standard including the charges for dismantling, cleaning, improving the IR value, varnishing, inspection and greasing of bearing, assembling, erection, painting with suitable colour enamel paint, testing, commissioning of the motor, etc., to the satisfaction of Engineer at site including the cost of materials, labour, lead, lift, etc., complete.

Overhauling, testing and commissioning of existing DYNA SPEDE make, 45 KW rating, 120 - 1200 rpm speed Eddy current coupling used in the gate hoisting mechanism of as per ISI standard, replacement of worn out parts of reputed make, inspection and greasing of moving parts, painting of coupling with good quality enamel paint etc. to the satisfaction of the Engineer at site including the cost of materials, labour, lead, lift, etc., complete.

Overhauling, testing and commissioning of existing brake assembly used in the gate hoisting mechanism at dam top as per ISI standard, replacement of failed solenoid assembly and worn out parts if any, inspection and greasing of moving parts, painting of brake with good quality enamel paint etc., to the satisfaction of the Engineer at site including the cost of materials, labour, lead, lift etc., complete.

Supply and fixing of new brass cable gland and copper socket for 3 1/2 x 70 sqmm LTUG cable of reputed make with ISI standard and termination of the electrical connections and gland earth connection to the satisfaction of the Engineer at site including the cost of materials, labour, lead, lift, etc., complete.

Supply and fixing of new brass cable gland and copper socket for 3 1/2 x 25 sqmm LTUG cable of reputed make with ISI standard and termination of the electrical connections and gland earth connection to the satisfaction of the Engineer at site including the cost of materials, labour, lead, lift, etc., complete.

Supply and fixing of new brass cable gland and copper socket for 4x 10 sqmm LTUG cable of reputed make with ISI standard and termination of the electrical connections and gland earth connection to the satisfaction of the Engineer at site including the cost of materials, labour, lead, lift, etc., complete.

Supply and fixing of new brass cable gland and copper socket for 4x 4 sqmm LTUG cable of reputed make with ISI standard and termination of the electrical connections and gland earth connection to the satisfaction of the Engineer at site including the cost of materials, labour, lead, lift, etc., complete.

Supply and fixing of new cable gland and copper socket for 4 core x 2.5 sq.mm LTUG cable of reputed make with ISI standard and termination of the electrical connections and gland earth connection to the satisfaction of the Engineer at site including the cost of materials, labour, lead, lift, etc., complete.

Supply, erection, testing and commissioning of warning system on the dam top to fore-warn the downstream inhabitants before release of high discharge by using new 5 Km range, horizontal, double mounted, 3 HP, 3 phase, 415 Volts electric siren and outdoor starter panel of reputed make with ISI standard and adequate rating with supporting and protection arrangements to the satisfaction of the Engineer at site including the cost of materials, labour, lead, lift, etc., complete.

Supply, erection, testing and commissioning of Controlled streamer emission based Advanced Lightning Protection System 3000 DYNASPHERE MK IV SS or equivalent, CVM (Collection Volume Method) Air Terminal made of non-corroding stainless steel with a curved conductive surface of minimum thickness for air terminations as defined in IEC61024 / UL 96 / IEEE 998 standards, suitable mast of 5 meter length, 40 mm dia made of Aluminium, fixing accessories for fixing the Air terminal, Electro Mechanical Lightning Event Counter to register every strike between 2000A to 100kA for a 8/20 micro second peak current, Maintenance Free radial Earthing system with 4 Nos. copper bonded steel earth electrodes with Nickel bonding of size 5/8 Inch x 5 feet length with UL certification (UL 467) having minimum molecular bonding of 250 microns, environmental safe ground enhancement material (GEM) shall be applied as per requirement around the earth electrodes to reduce soil resistivity, interconnecting the earth pits by 8 mm dia copper bonded steel rod as per requirement, terminal connection made by CADWELD PLUS or equivalent Exothermic method, test Link box for Maintenance purpose to the satisfaction of the Engineer at site including the cost of materials, labour, lead, lift, etc., complete.

Supply of single core, 70 sq.mm insulated FRLS flexible copper cable of reputed make with ISI standard and fixing accessories to the satisfaction of the Engineer at site including the cost of materials, labour, lead, lift, etc., complete.

Supply, erection, testing and commissioning of 82.5 KVA, 415 V, 3 phase, silent operating, out door type diesel generator set with AMF control panel, battery, battery charger with exhaust pipe with silencer of Kirlosker / Cummins or any reputed make with ISI standard at the power room and handing over the released DG set to TANGEDCO to the satisfaction of the Engineer at site including cost of materials, labour, lead, lift, etc., complete.

Supply and fixing of new suitable size rubber seal with good quality rubber and adequate hardness for 2 sides for the spillway gate using new SS cover plate, SS bolt & nuts, washer, etc., complete after removing the old damaged rubber seal, seal cover plate, bolt and nuts, etc., complete using gas cutting machineries and special tools & tackles without damaging the parent body of the gate and thoroughly cleaning the surface of the seating area as per the instruction of Engineer at site and also arresting the gate leakage to the permissible limit including the cost of materials, labour charges, lead, lift, etc, complete.

Supply and fixing of new flat type rubber seal with good quality rubber and adequate hardness at bottom of the spillway gate using new SS cover plate, SS bolt & nuts, washer, etc., complete after removing the old damaged rubber seal, seal cover plate, bolt and nuts, etc., complete using gas cutting machineries and special tools & tackles without damaging the parent body of the gate and thoroughly cleaning the surface of the seating area as per the instruction of Engineer at site and also arresting the gate leakage to the permissible limit including the cost of materials, labour charges, lead, lift, etc., complete.

Dismantling the jammed all 8 guide rollers by cutting the roller supporting plates on both side using gas cutting set & surface grinding machine and overhauling & reassembling of all guide rollers, filler valves, pulleys etc., with replacement of suitable size/type spares required such as 16 Nos. bearings, eccentric pins, seals, aluminium bronze bushes, spacer plates, gaskets, springs, etc., with good quality as per IS and fixing the rollers with new correct size supporting plates for both side with proper welding in aligned position for trouble free operation of the intake gates and replacement of damaged metal cladded rubber seals by new teflon cladded seal with adequate size for all sides using new SS cover plates, bolt & nuts washers, etc., complete after removing the old damaged rubber seals, seal cover plates, bolt and nuts, etc., complete and repairing the guides of gates from sill level to top of the dam and cleaning & applying rope compound for steel wire rope and Epoxy coal tar painting with red oxide zinc phosphate primer Intake gates (Regular and Emergency) using whatever suitable size/type spares required such as bearings eccentric pins, seals, aluminium bronze bushes, spacer plates, gaskets, springs, etc., with good quality as per IS for ensuring the trouble free operation of the above said parts as per the instruction of Engineer at site including the cost of dismantling, all materials, labour charges, lead, lift, etc., complete.

Replacement of damaged Thambrabarani-Servalar interconnecting tunnel trash rack panels and its supporting structures at mouth of Servalar dam in side area using suitable structural members as per the instruction of Engineer at site including all labour charges, transporting charges, loading & unloading charges and dismantling charges etc., complete and also including cost of reduction of realisation of scrap which is to be taken away by the contractor.

Painting with two coats of EPOXY Zinc Aluminum paint over one coat Red oxide zinc phosphate paint of the newly erected supporting structure members as per the instruction of Engineer at site including cost of all labour charges, transporting charges, loading and unloading charges etc., complete.

Painting with two coats of epoxy coal tar over one coat of red oxide zinc phosphate of newly erected Thambrabarani-Servalar interconnecting tunnel trash rack panels and its supporting structures at mouth of Servalar dam in side area as per the instruction of Engineer at site including all labour charges, transporting charges, loading & unloading charges etc., complete.

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Bidder Name

T.Narasimhan