Water Resources Department Tender

Earth work excavating for foundation( for Narrow Excavation) in all soils and sub soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering , bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the deaprtemtal officers wih an initial lead of 10mts and lnitail lift of 2mts and cleaing and levelling the site,etc. complete complying with standard specifications and as directed by the Departmental Engineers.

Collection and Supply of M.Sand gravel mix 1:1 (one M sand and one gravel) ratio for basement / filter zone including stacking, mixing and spreading the sand gravel mix in layers of not exceeding in 150 mm thickness over properly prepared surface, watering and consolidating the same with approved type of compaction equipment including stacking for pre-measurement etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Providing and placing in position of Plain cement concrete M 10 using graded hard blue granite broken stone jelly of 40mm size with M.sand mixing with mixer machine including the cost of balling whereever neceesary laying the concrete in layers of not excluding 15 cm thick compacting consolidation finishing watering, curing etc. complete complying with Standard Specifications and as directed by the Departmental Engineers..(With vibration)

Providing and placing in position of Plain Cement concreteM15 grade (Design Mix) using graded hard blue granite stone jelly 40mm and down graded (60% of 40mm and 40% of 20mm jelly ) size with M.sand mixing with mixer machine including the cost of bailing whereever necessary laying the concrete and compacting , consolidation finishing , watering , curing etc complete complying with standard specification and as directed by the Departmental Engineers. - With Vibration

Below sill

Above sill (upto 4.50m)

Providing and placing in position of plain cement concrete M15 grade (Design Mix) using graded hard blue granite broken stone jelly of 20mm and down graded size with M,sand mixing with mixer machine including the cost of bailing wherever necessary laying the concrete and compacting , consolidation finishing , watering curing etc. complete complying with Standard Specifications and as directed by the Departmental Engineers..- With Vibration

Supplying erecting and CENTERING for sides and soffits of plain surfaces such as slab etc., including strutting using MS steets of size 90Cm x 60CM B.G. 10 gauge stiffened with welded MS angles of size 25MM x 25MM x 3MM for boarding laid over silver oaks (Country wood) joists of size 10CM x 6.50CM ( spaced at 90 CM centre to centre) and supported by casurina props of 10Cm to 13 Cm dia. (spaced at 75 Cm centre to centre) etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Without Strutting

With Strutting

Providing and laying in position , standardised concrete Mix M20- Garade accordance with IS 456 2000 uing 20mm and down gradred hard broken stone jelly for all RCC items of works with minimum cement content of 350Kg/m3 and maximum water cement ratio of 0.50 including admixtures concrete , improve workability without impairing strength and durability with about (5.0cu.m) 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cu.m) 5156Kg of 10-12mm machine crushed stone jelly and with about (4.79cu.m)n7670Kg of sand , but excluding cost of reinforcement grill and fabricating charges , centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing , curing etc. and providing fixtures like the clamps in the RCC floor rood slabs wherever necessary without claming extra etc. complete complying with Standard Specifications and as directed by the Departmental Engineers. . The coarse and fine aggregate of IS stabdards ( No separate payment will be made by the department for the excess usages of materials)

Fabricating, supplying and erection of Screw Gearing Steel Shutters of size above to 2.00 m and upto 3.00m width consist of Skin plate made out of 8mm thick Mild Steel plates and horizontally stiffened with 150x75 mm RSJ at an interval not more that 0.50m and vertical stiffeners made out of 100 x 50mm MS channel at an interval not more than 0.60m and provided with 10mm thick Mild Steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc. Conveying the fabricated shutter by using lorries including loading, unloading and leading the shutter to the vent. Dismantling the eroded shutter and shuttering arrangements by using necessary gas cutting equipments. Erecting the new shutter and the shuttering arrangements in the vent in proper positing by using necessary hoisting equipments. The shutter shall be painted with two coats of Anticorrosive black paint over one coat of Red oxide primer. The rate including cost of material, consumables, labours, power charges, conveyance charges, charges for all equipments required conveying the dismantled material to the section stores, cost of petty civil works, trial operations of shutter and warranty for 5 years etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Fabricating, supplying and fixing of 50mm dia Screw Rod made up of Mild Steel duly machined and fully threaded to suit the Head Set Assembly and provided with required holes. Conveying and leading the screw rod to the worksite. Fixing the screw rod to the shutter gusset plate with required bolt and nut in proper alignment to the head set including dismantling the existing damaged screw rod, conveying and stacking at section store. The Screw rod should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for all fabricating and hoisting equipments, conveyance charges for labours and materials and warranty for 5 years etc. complete complying with standard specification and as directed by the Departmental Engineers.

Fabricating, supplying and fixing of 63mm dia Screw Rod made up of Mild Steel duly machined and fully threaded to suit the Head Set Assembly and provided with required holes. Conveying and leading the screw rod to the worksite. Fixing the screw rod to the shutter gusset plate with required bolt and nut in proper alignment to the head set including dismantling the existing damaged screw rod, conveying and stacking at section store. The Screw rod should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for all fabricating and hoisting equipments, conveyance charges for labours and materials and warranty for 5 years etc. complete complying with standard specification and as directed by the Departmental Engineers.

Fabricating supplying and fixing of shutter Groove Angle made up of 150x150x12 mm Mild Steel angle for required height including welding of hold fast of size 50x50x6mm Mild Steel angle 3 Nos. on both sides and conveying and leading the groove angle to the vents. Fixing the angle to the grooves in proper alignment including dismantling the existing damaged groove angles, conveying and stacking at section store. The Groove angle should be painted with two coats of AC black paint over one coat of Red Oxide primer. The rate including cost of materials, consumables, labours, charges for all fabricating and hoisting equipments, conveyance, petty civil works and warranty for 5 years etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Fabricating, Supplying and fixing of Top Beam made up of 150x75mm (ISMB 150) duly drilled to suit the Head Set Assembly with required bed bolt made out of 25mm Mild Steel Round Rod duly threaded with suitable anchorage arrangements to a height of 0.60m with necessary Fish Plate made out of 12mm Mild Steel plate of size 0.30x0.15m, 2 Nos. with required holes. Conveying and leading the top beam arrangements to the worksite. Fixing the top beam arrangements at the top of the vent to correct position including dismantling the existing eroded top beam, conveying and stacking at the section store. The top beam should be painted with two coats of AC black paint over one coat of Red Oxide primer. The rate including coat of materials, labours, charges for all fabricating and hoisting equipments, cost of petty civil works conveyance charges for labours and materials and warranty for 5 years etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Fabricating, Supplying and fixing of Head Set Assembly Light duty with hexagonal nut (approximate 50 kg) made up of cast iron including moulding, machining and the hexagonal nut threaded to suit the Screw Rod provided with thrust bearings for smooth operation. Conveying and leading the head set assembly to the work site. Fixing the head set assembly to the top beam by using required bolts and nuts in proper alignment including dismantling the existing damaged Head set assembly, conveying and stacking at section store. The Head set assembly supplied with operating key and the both should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for wooden pattern, moulding and charges for all machining equipments, conveyance charges for labours and materials and warranty for 5 years etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Fabricating, Supplying and fixing of Head Set Assembly medium duty with hexagonal nut (approximate 70 kg) made up of cast iron including moulding, machining and the hexagonal nut threaded to suit the Screw Rod provided with thrust bearings for smooth operation. Conveying and leading the head set assembly to the work site. Fixing the head set assembly to the top beam by using required bolts and nuts in proper alignment including dismantling the existing damaged Head set assembly, conveying and stacking at section store. The Head set assembly supplied with operating key and the both should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for wooden pattern, moulding and charges for all machining equipments, conveyance charges for labours and materials and warranty for 5 years etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Supplying and fabricating and placing in position of mild steel or ribbed Tor steel grills for all R.C.C works including cost of steel binding wire decoiling, bar bending mild steel or ribbed tor steel with all leads and lifts etc., complete as directed by departmental Officers.

Design, drawing, Fabrication, supply & erection of Holdsworth anicut inlet spillway shutter of vent size2600mmx1900mm as per IS 4622:2003 after dismantling the existing wooden shutter. The skinplate shall be made of 12mm thick MS plate, end vertical made of 12 mm MS plate and horizontal girder with ISMB 350, top angle with 100x100x10mm, diaphram plate with 8mm thick. The wheels shall be made of EN9 steel of 200mm Ø and wheel pin with 50mm Ø made of 30CR -13 grade material. Side rubber seal shall be of 'Z' type with side seal cover plate of 50x10mm thick. The bottom rubber seal shall be 12mm thick and of flat type. Lifting plate shall be 16mm thick. The welding shall be done as per standard procedures and the burr and slag shall be removed by grinding the top of welds. A good weld is as strong as the base metal. A suitable electrode shall be chosen and welded with a good welding equipment and a trained welder. All non-metallic substances shall be removed in the weld joints before commencement of welding. After welding, a thorough visual inspection shall be done for porosity, blowholes, unfused welds, under cuts, under cutting, burning & poor weld appearance, etc. The gate surfaces shall be blast cleaned to SA 2 ½ finish , after fabrication prior to painting. Heavy deposits of grease or oil may be removed, prior to sand blasting. The average surface profile / roughness after sand blasting shall be about 50µ. Over the blast cleaned surface, one coat of epoxy zinc primer shall be applied to a dry film thickness of 40-60µ. Then finish coat shall consist of two coats of coal tar epoxy paint. It shall be applied at an interval of 24 hours. Each coat shall give a dry film thickness of 100 - 125µ. The cost includes cost of materials, cost of consumables like welding rods, grinding wheels, oxygen & acetylene gas, oil & diesel for generator, process charges like gas cutting & welding, drilling, hire charges for machinery like gas cutting equipment, welding equipment, magnetic drilling machine, generator, grinding machine, compressor, airless spray machine, hoisting equipments like chain pulley block, derrick post, labour charges for loading, lifting, unloading, transport erection, scaffolding, conveyance to site and clearing them after completion of work, etc., complete and as directed by the departmental officers.

Design, drawing, fabrication, Supply & Erection of steel deck bridge for the shutter size of 2600mmx1900mm The total size of the deck bridge shall be 30000x1200mm. The main load bearing girders shall be made of ISMB 350. The cross girder for seating of worm hoist shall be made of ISMC 150. The main girder shall be welded to the base plate of required size and fastened to the masonary through foundation bolt. The cross stiffeners shall be ISMC 100 x 50 welded to the main girders. Additional angles ISA 50x50x6mm shall be provided in between the cross stiffener to accommodate composite chequered plate. The composite chequered plate shall be 6mm thick of size 10000x1200mm. The hand rails ISA 75x75x8mm shall be fastened to the cross stiffeners at either ends. Galvanized iron pipe of diameter 25mm shall be welded into the handrail angles. Blast cleaning to SA 2 1/2 standard over which epoxy primer to a thickness of 40 to 60 µ. The dry film thickness of MIO shall be 50-60µ. The finish coat shall be applied with polyurethane Aluminium of 2 coats. The dry film thickness of the finish coat shall be provided 25±5µ as per IS 14177-1994. The cost includes cost of materials, cost of consumables like welding rods, grinding wheels, oxygen & acetylene gas, oil & diesel for generator, process charges like gas cutting & welding, drilling, hire charges for machinery like gas cutting equipment, welding equipment, magnetic drilling machine, generator, grinding machine, compressor, airless spray machine, hoisting equipments like chain pulley block, derrick post, labour charges for loading, lifting, unloading, transport erection, scaffolding, conveyance to site and clearing them after completion of work, etc., complete and as directed by the departmental officers..

The providing worm gear and electrical mechanisation arrangements in the Holdsworth anicut inlet shutter. wormnut hoist comprising of a screw rod made of 75mm Ø MS Rod . The screw rod shall be connected to the shutter. Wormnut hoist to suit 75mm screw rod shall be provided. The worm wheel shall be made of phosphor bronze with 175mm OD with 25 teeth x 25mm circular pitch. Thrust ball bearings should be provided on either side of the worm wheel. Oil seal of size 110x135x13 shall be provided on either side of the worm wheel. A cast iron cover shall be provided over the whole arrangement. MS Worm 75mm ID & 25mm, pitch double thread shall be provided. Thrust ball bearing O - 12 shall be provided on either side of worm. A wormnut stand of height 740mm & 300mm at the top & 500mm at the bottom shall be provided with 16mm MS plate. The geared motor 3 HP with reversible, 3 HP 400 - 440V shall be connected with worm hoist. The gear wheel made of cast steel as per IS 1030, pinion wheels made of EN9 and necessary shafts shall be made of carbon steel grade. Necessary wiring from mains and starter for motor shall be provided as per site condition. A dust & corrosion proof composite cover shall be provided to safegaurd the motor form rain & shine. All smooth operations shall be carried out as directed by departmental officers. The cost includes cost of all materials, cost of consumables like welding rods, grinding wheels, oxygen & acetylene gas, diesel & oil for generator, process charges like gas cutting, welding, labour charges for dismantling, loading, lifting, unloading, transport, erection, hire charges for equipments like chainpulley block, welding machine, cutting set, grinding machine, power charges for generator, conveyance to site and clearing them after completion of work, including cost of trial operation, complete as directed by the departmental officers.

GST at 18%