DRIP-Dam Rehabilitation andImprovement Project works to Western Catchment Weir I in Kundah Generation Circle, Nilgiris District, Tamil Nadu under World Bank funded DRIP II

Earth work excavation in hard stiff clay, stiff black cotton, hard red earth, shale, murram gravel, stoney earth & earth mixed with small size boulders and hard gravelly soil and depositing the earth in the places shown by the Engineer with initial lead of 10 M and initial lift of 2 m etc., complete for existing approach road side , culvert side wall , protection wall and approach steps etc., complete, complying with standard specifications.

Chipping the cement concrete and roughening the surface at the dam top including cost of labour, lead, lift, transporting the debris away from the site etc., complete.

Trimming/ Scrapping of road surface where ever DMR is available with the required Camber /gradient to be formed including cost of all labour, lead and lift etc., complete.

Removal of deposited silt and slush on the Upstream side of weir in under water by engaging manual labours including cost of all materials, labour, head load lead, lift, etc., complete.

Drilling holes 32mm dia in rock for providing grip rods for revetment/ pitching in Up stream side of dam including cost of drilling, labour, lead and lift etc., complete & supplying and providing 1.50 m grip rods of 25mm dia RTS including cost of all materials, cutting, bending and fixing in position and grouting with cement cost of all materials, cutting, bending and fixing in position and grouting with cement slurry for stilling basin walls ,energy dissipaters and guide wall with all lead and lift etc., complete as per standard specification.

Refilling with earth including cost of all materials, labour, lead, lift etc., complete as per specification and as directed by the Engineer at site.

Filling with filter material in the composition of hard broken stone 63mm & 40 mm (25%), 20 mm (25%), 10 mm (15%), and stone dust (35%) in the back side of protection wall including cost of all materials, labour, lead, lift etc., complete as per specification and as directed by the Engineer at site.

Providing and placing in position of Plain Cement Concrete M10 grade for culvert side wall , retaining wall along the existing approach road (one cement, three sand, and six part of aggregate )in the existing approach using broken hard granite coarse aggregate (well graded) of nominal maximum size of 40mm and down graded 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 as per the direction of the Engineer and complying with standard specifications.

Providing and placing in position Plain Cement Concrete M 15 grade using broken hard granite coarse aggregate (well graded) of nominal maximum size of 20 mm and downgraded to I.S specified grading and mixing the ingredients in approved mixer including shuttering charges, placing in layers and vibrating, curing, finishing the surface with all leads and lifts, labour etc., complete for protection wall on the approach road to weir as per the direction of the Engineer and complying with standard specifications.

Providing and placing in position Plain Cement Concrete M 20 grade using broken hard granite coarse aggregate (well graded) of nominal maximum size of 20 mm and downgraded to I.S specified grading and mixing the ingredients in approved mixer including bonding agent , shuttering Charges, 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 of Plain Cement Concrete M 15 grade for retaining wall in the exisitng approach road using broken hard granite coarse aggregate (well graded) of nominal maximum size of 40mm & 20 mm and down graded to I.S specified grading and mixing the ingredients in approved mixer including shuttering charges,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.

Plastering with cm 1:5, 20mm thick for RR wall top and steps including cost of all materials, lead, lift etc., complete.

Supply , fabrication , erection of structural steel of angles, pipes etc for name board and hand rails including cost of all materials , labour charges lead lift etc., complete

Supply and fixing of GI Pipe B Class 40 mm dia for hand rails including cost of all materials , labour charges, tranportation, lead, lift etc., complete

Painting two coats of approved quality of enamel paint and colour over one coat of primer for new steel work , salient features and name board lettering etc., including cost of all materials, labour, lead, lift etc. complete

Painting with two coats of EPOXY Zinc Aluminium paint over one coat Zinc Phosphate Red oxide primer after thoroughly cleaning the surface of hand rails at dam top , gate and fencing post completely as per the instruction of Engineer at site including cost of materials, lead, lift etc ,complete.

Supplying and fixing of 75 mm dia PVC pipe of working pressure 4 Kg/ cm2 for wheep hole for protection wall on the approach road to weri including cutting ,cost of all materials,labour, transportation, leads, lifts etc., complete. .

Providing and laying, spreading and compacting graded stone aggregates to Wet Mix Macadam 250mm thick specification including premixing the materials with water at OMC in mechanical mix plant carriage of mixed material by tipper to site laying in uniform layers with paver sin Sub Base / Base course on well prepared surface and compacting with vibratory roller to achieve the desired density including cost of material, labour charges,rentals for machinery, fuel and all other incidental charges etc., complete as per clause 406 of MORTH Rev-5

Providing and applying of Tack coat over existing BT surface using 2 Kg of Bituminous Emulsion (RS 1) per 10 Sqm for preparatory to another bituminous construction over it including clearing of road surface, cost of materials , labour charges , rental for machinery , fuel and all other incidental charges ,etc complete as per Clause 503 of MORT&H and directed by the Engineer.

Providing and laying 50mm consolidated thick bituminous macadam using 0.20cum fo 26.50- 13.20mm, 0.43cum of13.20-2.36mm and 0.08cum of 2.36mm & below size IRC metal with 37 Kgs of VG30 / VG40 bitumen for premixing per 10 sqm including cost and conveyance of all materials to CMP site, heating the bitumen and aggregate to required temperature and mixing the min required temperature in central hot mix plant20-30ton capacity, conveying the mix by tipper trucks to paver site, spreading the mix to uniform thickness of 50 mm with mechanical paver to the specified grades and cross sections and consolidated by8- 10 tonne Vibratory / Pneumatic Roller to the required density etc.,including labour forattending to paver to site etc.,including hire charges and fuel charges for 20-30t CMP with bitumen boiler, tipper trucks, Paver Finisher / 9m paver finisher, Vibratory / Pneumatic roller and all other tools and plant required, including fuel and all including fuel and all other incidental charges etc.,complete as per specification using CMP as per clause 504 of MORTH Rev-5

Providing and laying Bituminous Concrete to 30 mm thick using 0.13 cum of 19.00- 9.50mm, 0.17cum of 9.50- 2.36 mm and 0.26 cum of 2.36 and below with 50.30 kgs of VG30 / VG40 bitumen for premixing per 10 sqm including cost and conveyance of all materials to CMP site, heating the bitumen and aggregate to required temperature and mixing the min required temperature in central hot mix plant20-30 ton capacity, conveying the mix by tipper trucks to paver site, spreading the mix to uniform thickness of 4 0mm with mechanical paver to the specified grades and cross sections and consolidated by8-10 tonne Vibratory / Pneumatic Roller to the required density etc., including labour for attending to paver to site etc., including hire charges and fuel charges for 20-30 t CMP with bitumen boiler ,tipper trucks, Paver Finisher / 9 m paver finisher, Vibratory / Pneumaticroller and all other tools and plant required, including fuel and all other incidenta lcharges etc.,complete as per specification using CMP as per clause 507 of MORTH Rev-5

Providing soling of 300 mm thick Hard broken stone with 0.25M3 of spalls of 45 to 75mm metal and 0.20M3 of gravel per cum of soling stone for blindage including all labour, Hard packing to chamber and sprading of stone, filling the voids with gravel and consolidation by power roller, etc., complete.

Design,supply and fixing of Ornamental Aluminium letter of 300mm x 300 mm in the name board including cost of all materials , labour charges, lead lift etc., complete as per specification and as directed the engineer incharge at site.

Supplying and laying of RCC NP3 600 mm dia RCC Hume pipe confirming to IS is 458/2003 including cost of pipe as a finished work including all other incidental charges, testing charges including loading, unloading, transport and delivery in good condition at work site ect.,complete, as directed by the site Engineer as per standard specification.

Reaming the existing vertical drainage shaft of 230 mm dia to the entire depth by rotary drilling from top of weir to the drainage gallery level, inclusive of all machineries, equipments, consumables, other materials required for the work, labour charges for operation, cleaning the drilled holes, transport charges for machinery and shifting them to different location etc., complete as directed by the Engineer at site.

Water washing with special chemical 'Steripure 100' with high pressure water jet for removal lime leaching , algae and funges formation in the D/S face of Dam under hanging condition as per specification including cost of all materials, labour charges T&Ps required for the work scaffolding etc., complete. Wherever required as per instruction of Engineer in-charge at site.

Painting with two coats of EPOXY coal tar over priming one coat of red oxide Zinc Phosphate of approved colour and quality after throughly cleaning,scraping,and removing the old paint in the existing surface of the spill way gates and as per the instruction of the Engineer at site, including cost of materials, lead, lift etc., complete.

Supply of portable Handheld LED flash light 24 W, 1100 lumens, 3000 mAh, rechargeble Make PHILIPS , Model aircraft aluminium alloy, water resistant and including cost of all material lead lift etc complete.

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