Construction of Checkdam Across Nari Odai at Mugunthanallur village in Vridhachalam Taluk of Cuddalore District.

Amount

Clearing scrub jungle etc, complete complying with standard specifications and as directed by the departmental officers

Earth work in all soils except Medium rock / hard rock requiring blasting and conveying for formation of bund with an extra lead 0 to 100 metre or part thereof deploying earth moving machineries and tippers excluding benching, formation of bunds, breaking clods and sectioning and old embackment slopes etc complete complying with standard specifications and as directed by the departmental officers

Earth Work Excavation for foundation in all soils and sub soils and to full depth as may be directed by the Departmental Officers except hard rock requiring blasting including shoring, strutting and baling out water wherever necessary and refilling the sides of foundation with excavated soil in layers not exceeding 15 cm thick, well rammed and consolidated and depositing including all initial leads and initial lifts, etc., complete complying with standard specifications and as directed by the departmental officers. (Open excavation)

Earth Work Excavation for foundation in all soils and sub soils and to full depth as may be directed by the Departmental Officers except hard rock requiring blasting including shoring, strutting and baling out water wherever necessary and refilling the sides of foundation with excavated soil in layers not exceeding 15 cm thick, well rammed and consolidated and depositing including all initial leads and initial lifts, etc., complete complying with standard specifications and as directed by the departmental officers. (Narrow excavation)

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 spreading sand gravel mix ratio of 1:1 in layers not exceeding 10 cm thick below the retaining wall as required at site of work including watering and consolidation using power roller, 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 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.

For works upto 1.5m depth below ground level and upto 1.0m height above ground level

Below G.L 1.5 m to 4.5m depth

Providing and placing in position of plain cement concrete M 15 using M. Sand and 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 1.5m depth below ground level and upto 1.0m height above ground level

Below G.L 1.5 m to 4.5 m depth

Above G.L upto 4.5 m height

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 1.5m depth below ground level and upto 1.0m height above ground level

Below G.L 1.5 m to 4.5 m depth

Above G.L upto 4.5 m height

For works above 4.50 m height above 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 1.5m depth below ground level and upto 1.0m height above ground level

Above G.L above 4.5 m height

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

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

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 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

Upto 0.90 M Height

Upto 1.80 M Height

Upto 2.70/3.00 M Height

3.00 to 4.00 M Height

4.00 to 5.00 M Height

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 placing in position of plain cement concrete blocks of size 1.50x1.50x0.90m of M 15 grade concrete using 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

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 the Cement concrete block of size 300 mm X 250 mm X 200 mm of M 15 using 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

De-watering of using diesel pump set having capacity 7.50HP including cost of hire charges, diesel, labour etc complete complying with standard specifications and as directed by the departmental oficers

Supplying and fixing of PVC pipe 110 mm dia (4Kg/cm2) for weep holes provide in the wing walls of either side etc.,complete as directed by the departmental officer.

Fabricating, supplying and erection of Screw Gearing Steel Shutters of Size above 1.20m and up to 1.20cm width consist of Skin plate made out of 8mm thick Mild Steel plate and horizontally stiffened with 100x50mm mild steel channel at an interval not more than 0.50m and vertical stiffeners made out of same section at an interval not more than 0.60m and provided with 8mm 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 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, charges for all equipments required conveying the dismantled materials to the section stores, cost of petty civil works, trial operation of shutter and warrenty for five years including all taxes etc., complete.

Fabricating supplying and fixing of shutter Groove Angle made up of 65 x 65 x 6 mm Mild Steel angle for required height including welding hold fast of size 25 x 25 x 6 mm Mild steel angle 2 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 including all other taxes etc., complete

Fabricating, supplying and fixing of 63 mm 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 warrenty for five years including all other taxes etc., complete.

Fabricating, Supplying and fixing of Top Beam made up of 150 x 75 mm (ISMB 150) duly drilled to suit the Head set Assembly with required bed bolt made out of 25 mm Mild Steel Round rod duly threaded with suitable anchorage arrangements to a height of 0.60 m with necessary Fish plate made out of 12 mm Mild Steel Plate of size 0.30 x 0.15m 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 cost of materials, labours, charges for all fabricating and hoisting equipments, cost of petty civil works conveyance charges for labours and materials and warrenty for five years including all other taxes etc., complete.

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 warrenty for five years including all other taxes etc., complete.

Providing chequered plate in the operating platform for a vertical lift geared shutter of size 1200 x1250 mm 1no with a platform of size 2900 x2500 mm. To provide protection arrangements to hoisting arrangements made by vertical posts to 1.20m height on both sides made up of 65x65x8mm mild steel angle fixed at an interval of 1.50m connected. The protection angle cutting to the required sizes and straightening to vertical. The angle should be drilled for 20mm dia by drilling machine at an interval of 0.15m. And the GI Pipe is to cut to appropriate length by using cutting machine at work shop. The new chequered plate of 6 mm thickness of M.S.plate shall be checked for flatness and lifted to the overhead platform and marked and cut to exact size. Then the plate shall be laid in the panel welded to the suitable stiffeners below. 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 charges, 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, cost of consumable like diesel, oil, welding rods & oxygen gas, warranty for 5 years, etc., complete and as directed by the departmental officers.

Earth work in all soils except Medium rock / hard rock requiring blasting and conveying for formation of bund with a lead of 0. to 3Km or part thereof deploying earth moving machineries and tippers excluding benching, formation of bunds, breaking clods and sectioning and old embackment slopes etc complete complying with standard specifications and as directed by the departmental officers

Earth work excavation deploying earth moving machinery for desilting channel having a width of more than 10m and forming bund on either side and depositing the earth on banks including jungle clearance etc complete complying with standrad specifications and as directed by the departmental officers

Supplying and fixing in position of demarcation R.C.C. pre cast post in Cement concrete of grade M 15 with well graded aggregates and the nominal maximum size of coarse aggregate of size 20 mm of size 0.20 x 0.20 x 1.45 M and 0.45 x 0.20 x 0.30 m base fixing the post 30 Cm depth below ground level, the post includes using 4 numbers of 10 mm RTS main rod to a length of 1.33 M, using 8 mm MS @ 15 cm spacing as strips with steel centering and painting the post with enamel paint allround the post etc. complete and conveying the post to the site of demarcation boundary such as canal bund/water spread area etc including earth work excavation for foundation (45x45x45cm) in HSC having the base plain cement concrete of 15 cm of grade M 7.5 with well graded aggregates and the nominal maximum size of coarse aggregate of 40 mm of 10 cm thick, and the post embedded by using Cement concrete of grade M10 with well graded aggregates and the nominal maximum size of coarse aggregate of 20 mm of 30cm thick as per the drawing enclosed including cost of earth work, concrete, moulding charges, steel reinforcement, finishing, painting them and marking at top of post, etc .complete complying with standard specifications and as directed by the departmental officers

GST 18% IN FIGURES

V.JANARTHANAN