Water Resources Department Tender

Earthwork in all soil except hard rock requring blasting and conveying for formation of bund with lead of 3.00 Km deploying earth moving machineries and tippers in layers of 15 cm thick including benching formation of bunds,breaking clods sectioning and extra watering and consolidation by power roller including hire charges at site also including miniral cost sengruoiage cost and other taxes etc, complete complying with standard specification and as directed by the departmental officers

Earth work open well excavation complying with relevant clauses of TNDSS Well sinking and with lead upto 10 metre in Hard stiff clar, stiff black coton soil, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders and hard gravely soil etc. complete complying with standard specifications and as directed by the departmental officers.

First depth of 2 Metre

Second depth of 2 - 4 Metre

Earthwork excavation in hard rock requring blasting and conveying the blasted rock materials by deploying earth moving machneries and tippers and stacking the same for premeasurement and conveying to launching apron portion including of drilling cost of explosives,usage of labour and all other incidential charges requried for blasting etc.,complete complying with standard specifications and as directed by the departmental officers.

Earthwork in hard rock by wedging,chiselling and trimming to proper shape where blasting is prohibited and conveying the removed materials to the launching apron portion including cost of usage of labour and all other incidential charges requried for removing the hard rock etc.,complete complying with standard specifications and as directed by the departmental officers

Supplying, fabricating and placing in position of Mild Steel or Ribbed Tor Steel for all RCC works as per design & drawing given including cost of steel, binding wire and labour charges for cutting, bending, laying in position and tying with binding wire, etc. complete complying with standard specifications and as directed by the departmental officers

Supplying and erecting centering for vertical plain / RCC concrete walls of supply channel, retaining wall etc for following height height with necessary supports, all cross bracing with mild steel size of 90 cm x 60 cm and gauge BG 10 stiffened with welded mild steel sheet angles of size 25 mm x 25 mm x 3 mm for bearing laid silver Oak / Country wood joist of size 7.50 cm x 5.0 cm spaced @ about 90 cm C / C and supported by Casurina props of 10 cm to 13 cm spaced @ 75 cm C / C, etc., complete complying with standard specifications and as directed by the departmental officers (Vertical Centering Surface)

For Vertical Surface 0 to 90 cm height

For Vertical Surface 0 to 180 cm height

For Vertical Surface 0 to 270 cm /300 cm height

For Vertical Surface 300cm to 400 cm height

For Vertical Surface 400 cm to 500 cm height

For Vertical Surface 500 cm to 600 cm height

For Vertical Surface 600 cm to 700 cm height

Supplying and erecting centering for vertical plain / RCC concrete walls of supply channel, retaining wall etc for following height height with necessary supports, all cross bracing with mild steel size of 90 cm x 60 cm and gauge BG 10 stiffened with welded mild steel sheet angles of size 25 mm x 25 mm x 3 mm for bearing laid silver Oak / Country wood joist of size 7.50 cm x 5.0 cm spaced @ about 90 cm C / C and supported by Casurina props of 10 cm to 13 cm spaced @ 75 cm C / C, etc., complete complying with standard specifications and as directed by the departmental officers For Vertical Curved Centering

For Curved Surface 0 to 90 cm height

For Curved Surface 0 to 180 cm height

For Curved Surface 0 to 270 cm /300 cm height

Providing and placing in position of plain cement concrete M 10 grade using M.Sand and graded hard blue granite broken stone jelly of 40 mm size mixing with mixer machine including the cost of bailing/pumping wherever necessary laying the concrete in layers of not exceeding 15 cm thick, compacting, consolidation finishing, watering, curing etc. complete complying with standard specifications and as directed by the departmental officers

Providing and placing in position of plain cement concrete M 10 grade using M.Sand and graded hard blue granite broken stone jelly of 60 % of 40mm size and 40 % of 20 mm size mixing with mixer machine including the cost of bailing/pumping wherever necessary laying the concrete in layers of not exceeding 15 cm thick, compacting, consolidation finishing, watering, curing etc. complete complying with standard specifications and as directed by the departmental officers

Providing and placing in position of plain cement concrete M 15 using hard blue granite broken stone jelly of size 20 mm mixing with mixer machine including the cost of bailing/pumping wherever necessary laying the concrete in layers of not exceeding 15 cm thick, compacting, consolidation by using vibrators, finishing, watering, curing etc. complete complying with standard specifications and as directed by the departmental officers

For works upto 1.50 m depth below ground level and upto 1.0 m height above ground level

For works above 1.50 m to 4.50 m below ground level

For works above 1.0 m to 4.50 m height above ground level

Providing and placing in position of plain cement concrete M 15 grade using m sand and graded hard blue granite broken stone jelly of 60% of 40 mm size and 40% of 20 mm size mixing with mixer machine and laying in layers oincluding the cost of bailing/pumping wherever necessary laying the concrete in layers of not exceeding 15 cm thick, compacting, consolidation by using vibrators, finishing, watering, curing etc. complete complying with standard specifications and as directed by the departmental officers

For works upto 1.50 m depth below ground level and upto 1.0 m height above ground level

For works above 1.50 m to 4.50 m below ground level

For works above 1.0 m to 4.50 m height above ground level

Providing and placing in position of Reinforced Cement Concrete M 15 using M.Sand and hard blue granite broken stone jelly of 20 mm size mixing with mixer machine including the cost of bailing/pumping wherever necessary laying the concrete in layers of not exceeding 15 cm thick excluding form works, centring, shuttering and steel fabrications compacting, consolidation by using vibrators, finishing, watering, curing, etc complete complying with standard specifications and as directed by the departmental officers

For works upto 1.50 m depth below ground level and upto 1.0 m height above ground level

For works above 1.50 m to 4.50 m below ground level

Providing and placing in position of Reinforced Cement Concrete M 20 using M.Sand and hard blue granite broken stone jelly of 20 mm size mixing with mixer machine including the cost of bailing/pumping wherever necessary laying the concrete in layers of not exceeding 15 cm thick excluding form works, centring, shuttering and steel fabrications compacting, consolidation by using vibrators, finishing, watering, curing, etc complete complying with standard specifications and as directed by the departmental officers

For works upto 1.50 m depth below ground level and upto 1.0 m height above ground level

For works above 1.50 m to 4.50 m below ground level

For works above 1.0 m to 4.50 m height above ground level

Supplying and laying of Ready mix for the M25 grade of concrete (RCC M25) having charaterstic strength not less than specified in the IS 456 - 2000 using Ordinary portland cement with minimum cement content of 300 Kg / cum confirming to IS 8112. Coarse aggregates having a specific gravity of 2.60 using 20 mm down graded hard blue granite broken stone jelly and fine aggregate without fly ash as per IS 383 - 1970 ( 2007 ) with suitable water cement ratio not less than 0.45 and not exceeding 0.50 of water quality confirming to IS 456 - 2000 including use of plasticizer of approved make & dosage of required grade at all locations and levels with specified high workability as per IS 1199 - 1959 ( 2004 ). The initial & final setting time confirming IS 12269 - 1987 ( 2004 ) with maximum temperature of concrete at the time of placing should not exceed 32 0 C. The admixtures affecting the quality and strength of the concrete should not be used and should confirm IS 9103 - 1979 [ usual admixture - Air entraining & water reducing ] & including the cost of hire charges for pump and pumping charges to the required locations & levels as specified by the Engineer - in - charge,. laying, compacting, consolidation by using vibrators, finishing, watering, curing, testing charges as per IS 456 - 2000, 4031 - ( Part 3 & 6 ) / 1988 ( 2005 ) & ( Part 2 ) / 1999 ( 2004 ) and 516 / 1959 ( 2004 ), 4926 - 1976 ( 1990 ), mix design details to be got approved before commencement of the work adopting pour card system and other OK cards. Excluding the cost of form works, centering, shuttering and cost of reinforcement grills placed in position etc, complete complying with standard specifications and as directed by the departmental officers.

Supplying and fixing in position of Pre-cast slab of size 1.0 x 0.45 x 0.075 m thick in Reinforced Cement Concrete of M 15 grade using hard blue granite stone jelly of size 20 mm including cost of steel and fabrication (3 Nos 0.90 length and 5 Nos 0.40 m length), cost of Silver Oak wood mould charges, finishing, curing, etc complete complying with standard specifications and as directed by the departmental officers

Supplying and placing in position of plain cement concrete blocks of size 1.50x1.50x0.90m of M 15 grade concrete using M.Sand and hard blue granite broken stone jelly of size 20 mm mixing with mixer machine and laying in rows including dewatering wherever necessary, compacting, consolidation by using vibrators, finishing, watering, curing including the cost of erecting and centering including necessary support for plain surfaceses for concrete block of size 1.50 m X 1.50 m X 0.90 m using MS sheets of size 1.50 m X 0.90 m of 10 gauge stiffened with MS angle of size ISS 25 mm X 25 mm X 3 mm supported by MS flats of size 25 mm X 3 mm, conveyance to site with all labour charges etc. complete complying with standard specifications and as directed by the departmental officers

No Fine Cement Concrete 1:4 (One Cement and four HBGS Metal) using 20 mm gauge hard broken granite stone jelly for all concrete items of works etc., complete complying with standard specifications and as directed by the departmental officers.

Gravel packing in gaps between cement concrete blocks including cost of gravel and filling charges to full depth and stacking for premeasurements etc complete complying with standard specifications and as directed by the departmental officers

Supplying and filling with clean river sand in layers of not more than 15 cm thick, well watered, rammed and consolidated etc., complete complying with standard specifications and as directed by the departmental officers

Supplying and laying with graded hard blue granite broken stone jelly of varying of size from 80 mm, 63 mm, 50 mm, 40 mm, 25 mm, 20 mm, 12 mm and 10 mm in equal proportions for formation of filter drains and filter bed as shown in drawing etc complete complying with standard specifications and as directed by the departmental officers

Providing launching apron using new jeddy stone of size not less than 300 mm thick and weight not less than 40 Kg including the cost of new wedges for filling the gaps, finishing etc complete complying with standard specifications and as directed by the departmental officers

Rough stone dry packing for apron and revetment using new stones obtained from approved sources including the cost of new stones wedges for filling the gaps, etc. including stacking the same for pre-measurement complete complying with standard specifications and as directed by the departmental officers

Supplying and fixing the Cement concrete block of size 300 mm X 250 mm X 200 mm of M 15 using M.Sand and hard blue granite broken stone jelly of 20 mm size mixing with mixer machine including the cost and conveyance of all materials to work site, labour charges for fixing the same in position and including all other incidental charges, compacting, consolidation by using vibrators, finishing, watering, curing etc complete complying with standard specifications and as directed by the departmental officers

Fabricating, Supplying and erection of Screw gearing steel shutters of size above 2.00 m and upto 3.00m width consist of skin plate made out of 10mm thick mild steel plate and horizontally stiffened with 150x75mm ISMB 150 at an interval not more than 0.50m and vertical stiffeners made out of 100x50mm mild steel channel ISMC at an interval not more than 0.60m and provided with 10mm thick mild steel gusset plateof 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 position 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 materials consumables, labours power charges, conveyance charges for all equipments required conveying the dismantled materials to the section stores, cost of petty civil works, trial operation of shutter and warranty for 5 years etc..complete.

Fabricating, supplying and fixing of Shutter Groove Angle made up of 100x100x10mm Mild Steel angle for required height including welding hold fast of size 40x40x6mm 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.

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

Fabricating, Supplying and fixing of Top Beam made up of 200x100mm (ISMB 200) 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 16mm mild steel plate of size 0.20x 0.30m 2 Nos with required holes. Conveying and leading the top beam arrangements to the work site. Fixing the top beam arrangements at the top of the vent in correct position including dismantling the existing eroded top beam, conveying and stacking and the section stores. The top beam 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, cost of petty civil works conveyance charges for labours and materials and warranty for 5 years etc.., complete.

Supplying and fixing of Head Set Assembly Heavy duty with hexagonal nut (Approximate 120 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 rust free 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 labours and materials and warranty for 5 years etc, complete.

Supplying and fixing of Bottom Flat Rubber seal with Mild Steel Flat plate throughout the length of Rubber seal and fitted with the existing structure by means of Mild Steel Washers, Nuts and Bolts including dismantling the old corroded bolts by cutting, removing old flats and hardened or damaged old rubber seals beam, then conveying, loading and unloading and stacking to section store, etc.., complete.

Providing chequered plate in the operating platform for vertical Lift geared shutter of size 2.00 x 1.50 m with a platform of 6.7 x 2.50m The new chequered plate of 6mm thickness of MS plate shall be chocked for flatness and lifted to the over head platform and marked and cut to the exact size. Then the plate shall be laid in the panel welded to the suitable stiffeners below. Providing safety handrails all around the edges of the operation platform. Suitable holes shall be provided at appropriate places for drainage of rain water. Then all steel members should be given a coat of anticorrosive red oxide primer over which two coats of industrial black paint is applied The cost includes cost of all materials, process charges like welding cutting, & drilling labour charges for loading, lifting, unloading transport, erection, scaffolding changes, hire charges for equipments like chain pulley block, power charges from generator, conveyance to site and clearing them after completion of work risk allowance for working at a height of more than 3m, coat of consumable like diesel, oil, welding rods & oxygen gas, warranty for 5 year, etc,. Complete and as directed by the departmental officers.

Supplying and fixing 300mm wide PVC EXPANSION JOINT in the 20 mm expansion gap provided in between decks over piers and in between deck and dirt wall over abutment as shown in the drawing including cost and conveyance of expansion joints including shalimer pad and joint sealant etc., complete complying with standard specifications and as directed by the departmental oficers.

Gravel backing for apron / revetment / retaining wall in layers not exceeding 15 Cm thick including stacking for premeasurement, watering, consolidation and trimming the top surface so as to receive the rough stones, etc complete complying with standard specifications and as directed by the departmental officers

Supplying and fixing PVC water stopper heavy duty of 300 mm width as per IS 15058 / 2001, including cost of all materials, labour charges, etc complete complying with standard specifications and as directed by the departmental officers

Supplying and fixing 110mm dia PVC pipe (4kg/cm2) for Weep holes including cost and labour for 110mm dia. Semi spherical back fill arrangements with 100mm size borken granite chips at the periphery and labour charges for fixing etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and errection of PVC slotted pipe of size 160mm dia, 6kg best approved quality with ISI mark with necessary PVC coupling etc .complete complying with standard specification and as directed by the departmental officers

Supplying and fixing of suitable end cap for 160mm dia PVC pipes etc complete complying with standard specification and as directed by the departmental officers

Supplying and fixing of suitable 75mm dia PVC pipes complete etc complying with standard specification and as directed by the departmental officers

Drilling of 150 mm bore wells in hard rock areas to the required depth as directed by the departmental officers including labour charges for inserting casing pipes assembly in the drilled holes, if necessary grouting the casing pipe etc., including transportation charges for the rigs and supporting vehicles from one place to another place (the casing pipe has to be supplied by the contractor at the rates noted in a separate item) etc complete complying with standard specification and as directed by the departmental officers

Dewatering using upto 7.5HP diesel engine pumset including Hire charges, cost of Diesel, Engine oil, Pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unhloading and any other incidental charges etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and Filling of 40mm HBS jelly including cost and conveyance of meterials to site of work etc. complete complying with standard specifications and as directed by the departmental officers

GST @ 18%

Inspection, testing and maintenance of radial gates, vertical gates, hoist assembly and gantry crane shall be carried out in pre & post monsoon i.e., twice a year for a total period of 5 years as per IS 10096 (Part 3): 2002 and IS7718: 1991.The inspection of components & materials shall be carried out as follows. The drain holes in horizontal girders and arms shall be checked & cleared, visual inspection of exposed surfaces of embedded parts such as sill beam, wall plate, seal seats and gate leaf, vertical stiffeners, horizontal stiffeners, arms, trunnion assembly, trunnion girder, yoke girder, thrust block, rope connections, hoisting equipment – gear train assembly, drive unit, gear boxes, flange coupling, bearing housing & foundation bolts in hoist bridge. All exposed bolt & nut connections shall be checked for tightness. The defects found during visual inspection of rubber seals, painting, weldments in steel structures, wire ropes, gears & gears trains, embedded parts, roller tracks & grooves shall be immediately notified to the engineer in charge. The weldment visual inspection shall be done with magnifying glass. The maintenance of radial gates, vertical gates, hoist assembly and gantry crane shall be executed as follows. The exposed gate leaf & structures, embedded parts, hoists assembly, gantry crane and hoist supporting structure shall be thoroughly cleaned from dust, sharp materials and foreign particles. The trunnion bearing shall be greased. The oil level in the worm reduction shall be maintained. The following after inspection, if necessary, shall be repaired or replaced. The draining & refilling of gear oil, the worn-out EM brake linings in gates, the adjustment of flexible couplings, damaged bolt & nut in gate and hoist assembly, bearings and bearing housing. The rotation of guide roller shall be checked. The lubrication of moving components such as guide rollers, vertical gate rollers, trunnion assembly, pulley sheaves, brackets, rope drums, line shaft bearing, wire ropes, matching teeth of gear box shall be carried out. The inspection and maintenance check list shall be maintained as directed by engineer in charge. Replacement of defective / worn out ropes, electrical relays & controls, motors, generator parts, rubber seals and repainting shall be done departmentally, if and when, indicated / suggested in the periodical inspection. The cost includes cost of inspection, testing & maintenance, industrial grease, bearing grease, gear oil, inspection charges and documentation, process charges for cleaning, checking & adjustment, scaffolding charges, consumables charges for cotton waste & solvents for cleaning, labour charges for checking, cleaning, application of lubrication, tools / tackles, trial operation as directed by departmental officers.