Repair and overhauling to hoisting arrangement of Contour Canal Head Regulator at L.S.0.000km and Vagariyar river Head Regulator in Anaimalai Taluk of Coimbatore District

Amount

(Civil Works)

Dismantling clearing away and carefully stacking the materials useful for reuse for any thickness of stone masonry walls in cement mortar under 3m high as directed by the departmental officers and complying with standard specification.

Supplying and erecting centering for sides and soffits including necessary supports and strutting up to 3.29m height for vertical / sloped surface as detailed below with all cross bracings using mild steel sheets of size 90cm x 60cm and 10BG Stiffened with welded mild steel angle of size (25x25x3)mm laid over silver oak joists of size 10x 6.5cm spaced at about 90cm c/c and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75cm c/c etc.,complete complying with standard specifications and as directed by departmental officers. Scaffolding and centering charges for the structural components is including the cost and conveyance of all materials to the site including all labour charges and incidental charges etc., complete (for vertical wall surface)

Providing and placing Plain Cement concrete M15 grade Design mix using HBGS aggregates (Downgraded) of nominal maximum size 60% of 20mmand 40% of 12mm and down graded to IS specified grading (To achieve the specified characteristic strength of 15 N/mm2 at 28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by bailing/pumping and diverting wherever necessary placing in layers and vibrating, water curing, finishing the surface with all leads and lifts etc., complete in all respects so as to attain the profile and strength specified in the approved drawings and specifications, as per the direction of the engineer in charge of work and complying with technical specifications.

Special raised pointing in RR cross masonry by racking out joints to a depth of 60 mm to 75 mm clearing the surface with wire brush, raking tools filling racked joints with C.M. 1:2 to a full depth well pressed and caulked in the joints and rubbed smooth as directed by the Departmental Officers .

Earthwork excavation and depositing on bank with initial lead of 10 m and initial lift of 2m in loose boulders in excavation of various size 150 to 625mm complying with specification and as dircted by the departmental officers.

Removing hard rock by wedging chiseling and trimming to proper shape where blasting is prohibited including cost for initial lead and lift as per technical specification and as directed by the departmental officers.

(Hydro Mechanical Works)

Special Repairs to Contour canal head regulator Shutter of 2 Nos each of size 4.90 m X 3.30m by raising the shutters to workable level, buffing, Grinding and removing existing paint, Oil, Grease, Lubricant and other loose grit particles in corroded portions, cleaning and identifying spots of worn-out weak portions, Gas cutting\Grinding worn-out portions and then rectifying with patch steel work with mild steel plate 12mm thickness of fabricated in position by welding and Smoothening weld joint faces by grinding along with rectifying corroded embedded portions of wheel track assembly with servicing by lubrication of rollers and rectifying embedded guide track for counter weight in Masonry Wall all as per Standard Specifications. Rate including cost of Materials, Labour charges in overhanging condition, Lathing, Drilling, Welding, Gas cutting, power charges, Conveyance, Loading and unloading, Oiling, Scaffolding, hire charges of Machineries, Tools and plants and Safety provisions etc, complete as directed by the Departmental Engineers.

Special Repairs to Vagariyar head regulator Shutter of 2 Nos each of size 6.70 m X 2.80m by raising the shutters to workable level, buffing, Grinding and removing existing paint, Oil, Grease, Lubricant and other loose grit particles in corroded portions, cleaning and identifying spots of worn-out weak portions, Gas cutting\ Grinding worn-out portions and then rectifying with patch steel work with mild steel plate of fabricated in position by welding and Smoothening weld joint faces by grinding along with rectifying corroded embedded portions of wheel track assembly with servicing by lubrication of rollers and rectifying embedded guide track for counter weight in Masonry Wall all as per Standard Specifications. Rate including cost of Materials, Labour charges in overhanging condition, Lathing, Drilling, Welding, Gas cutting, power charges, Conveyance, Loading and unloading, Oiling, Scaffolding, hire charges of Machineries, Tools and plants and Safety provisions etc, complete as directed by the Departmental Engineers.

Special repairing of Hoisting assembly for 2 nos each of Canal shutters of Contour Canal and vagariyar river shutters by servicing carefully after overhauling the electrical motor operated hoisting gear assemblies after gas cutting and removal of chequered plate in Operating platform to inspection access and locking in position of counter weights, identifying and rectification of misalignment in gear shafts and attending the bends in main operating shafts, Open drive gears if any, along with servicing and lubricating gear box, plummer blocks by cleaning inner bearings in all plummer blocks of sizes and rectifying worn out bearings if any and cleaning and rectifying wornout oil seals and rewelding in position of chequered plates in operating platform after grinding and removing grits from the rusted portions and associated bottom stiffening elements and drilling adequate drain holes in chequered plates and then complete lubrication of Hoisting assembly and replacement of Existing rated old motor with Starter removing and new motor with Starter Fixing. Open drive gears and Chains with Shell Cardium Compound, Operating Shafts, plummer blocks and Rollers with Cup Grease No.2 grade all as per standard Lubrication chart and careful alignment of Hoisting assembly in Line, Level and position in Plumb and releasing counterweight., etc

complete to ensure smooth operating conditions of Shutters without any vibration or undue drift. Rate including cost of Materials, Labour charges in overhanging condition, Lathing, Drilling, Welding, Gas cutting, Power charges, Conveyance, Loading and Unloading, Grease packing, Lubricating, Oiling, Scaffolding, Hire charges of Machineries,Tools and plants and Safety provisions etc, complete as directed by the Departmental Engineers. After completion of above work a satisfactory test trial run to ensure sm0oth operation of shutters should be done as per IS Specification.

Repairing and replacement of Old wornout Bottom Rubber Seals, Vertical and top Bulb Rubber Seals in 2 Nos., of Contour canal Shutters, 2 Nos., of Vagariyar River Shutters by raising and locking in position of shutter, removing damaged Bottom rubber seals from skin plate by removing rusted rubber seal cover Plate fittings with necessary grinding, buffing, gas cutting and removing bolt, Nuts and washers holding seal seat cover plate made of 75mm x 10mm MS Flats, Cleaning both sides carefully by grinding/buffing, providing and fixing in position of new Flat Rubber Seals of 100 x 12mm size and replacement of 20mm dia 3” long Bolt and Nuts with Washers spaced each at 100mmc/c, Welding at Required Spots, etc Complete including rectifying corroded portions of MS Seal Seat cover plate of 75mm x 10mm with adjacent contact seal elements and grinding holes to receive bolts in seat cover plate and cleaned using mechanical grinding and buffing machines, Painting seal cover plate surfaces with two coats of epoxy Coal tar paint over two coats of zinc rich primer as per Standard Specifications. Rate including cost of Materials, Labour charges in overhanging condition, Lathing, Drilling, Welding, Gas cutting, Power charges, Conveyance,

Loading and Unloading, Scaffolding, Hire charges of Machineries, Tools and plants and Safety provisions etc, complete as directed by the Departmental Engineers. After completion of above work a satisfactory test trial run to ensure smooth operation of shutters should be done as per IS Specification.

Sand Blasting and Painting to Contour Canal Shutters 2 Nos., and Vagariyar river Shutters 2 Nos., Operating platform of Contour Canal and Vagariyar river Shutters, all Grove frames, and Seal Clamps as per Guidelines in IS14177: 1994 with two Coat of epoxy coal tar paint after Sand blasting the surface properly including cost of sand slag, Paints, Other Materials, Labour, hire charges, Consumables and Conveyance, Etc., complete as directed by the Departmental Engineers.

Fabrication and Erection for Contour Canal Shutters of Operating Platform Shed Size of 13.10 meter x 2.90 meter Using ISMC 100 Length of 3metres-5Nos., for Column, ISMC100 length of 2.9 meters -5 Nos., for Column, , ISMC100 length of 3.2 meters -5 Nos., for Top Portion, ISA65x65x6 length of 15 meters -3 Nos., for Top Purlin, ISA65x65x6 length of 15 meters -6 Nos., for both Side Purlin with Weld mesh work of 150 Sq.Meter x 2 sides, ISA65x65x6 length 3 meters -6 Nos., for both Side Purlin with Weld mesh work of 10 Sq.Meter x 2 sides, 10mm Thickness Plate 150 x150mm – 30 Nos., Cleat Angle ISA65x65x6 Length of 150mm-100Nos., for Top Portion 50 Sq. Meter Colour Galvanized Sheet Laying and also New Gate Fixing Work etc, complete as directed by the Departmental Engineers.

Fabrication and Erection for Vagariyar Shutters of Operating Platform Shed Size of 16.05 meter x 2.60 meter Using ISMC 100 Length of 3metres-6 Nos., for Column, ISMC100 length of 2.9 meters -6 Nos., for Column, , ISMC100 length of 3.2 meters -6 Nos., for Top Portion, ISA65x65x6 length 17 meters -3 Nos., for Top Purlin, ISA65x65x6 length of 17 meters -6 Nos., for both Side Purlin with Weld mesh work of 160 Sq.Meter x 2 sides, ISA65x65x6 length 3 meters -6 Nos., for both Side Purlin with Weld mesh work of 10 Sq.Meter x 2 sides, 10mm Thickness Plate 150 x150mm – 36 Nos., Cleat Angle ISA65x65x6 Length of 150mm-200Nos., for Top Portion 55 Sq. Meter Colour Galvanized Sheet Laying and also New Gate Fixing Work etc, complete as directed by the Departmental Engineers.

Sub Total

GST @ 18% of SubTotal

SAMY CONSTRUCTION