Construction of a check dam across Vedhanathi in Anukkur village of Veppanthattai Taluk in Perambalur District

Amount

Clearing Scrub jungle and destroying them effectively aetc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Earth work excavating and depositing on bank with initial lead of 10m and lift of 2 m hard stiff clay, stiff black cotton hard red earth, shales, murrams Gravel stoney earth and earth mixed with small size boulders,SS 20 B etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.(Narrow Excavation)

Earth work excavating and depositing on bank with initial lead of 10 metres and lift of 2 metres in sand silt or other loose soil, wet sand or silt not under water light black cotton soil sandy loam and ordinary soil including excavated earth ordinary soil SS 20 A. etc. complete complying with Standard Specifications and as directed by the Departmental Engineers. (Open Excavation.)

Supplying and filling in position of 20 cm thick Filling m.sand for longitudinal and transverse filter etc. complete complying with standard specifications and as directed by the Departmental Engineers.

Plain Cement Concrete 1:3:6 (one cement three m.sand and six aggregate) using 40mm hard broken stone jelly for foundation including dewatering if found necessary and laid in layers of not more than 15cm thick including ramming watering and curing etc. complete complying with standard specifications and as directed by the Departmental Engineers. - Below Ground Level

Supplying and erecting steel centering for sides and soffits of plain surfaces including strutting using M.S.sheets of size 90cm x 60cm B.G.10 gauge stiffened with welded M.S. angles of size 25mm x 25mm x 3 mm for boarding laid over silver oaks (country wood) joists of size 10cm x 6.50cm (Spaced at 90cm center to center) and supported by casurina props of 10cm to 13cm dia. (spaced at 75cm center to center) etc. complete complying with standard specifications and as directed by the Departmental Engineers.

Centering without strutting Below Ground Level

Centering with strutting upto 3m height

Centering with strutting 3 - 4m height

Plain cement concrete 1:2:4 (one cement two m.sand and four aggregate) using 20mm hard broken stone jelly for foundation including dewatering if found necessary and laid in layers of not more than 15cm thick including ramming, vibrating charges, watering and curing etc. complete complying with standard specifications and as directed by the Departmental Engineers.

Below Ground Level upto 1.50m

Below Ground Level upto 1.50m to 4.50m

Plain cement concrete M15 (1:2:4) (one cement two m.sand and four aggregate) using 60% 40mm and 40% 20mm hard broken stone jelly for foundation including dewatering if found necessary and laid in layers of not more than 15cm thick including ramming, vibrating charges, watering and curing etc. complete complying with standard specifications and as directed by the Departmental Engineers.

Below Ground Level upto 1.50m

Above Ground Level upto 4.50m

Above Ground Level upto 4.50m to 9.00m

Reinforced cement concrete M20 1:1.5:3 (one cement one and half m.sand and three aggregate) using 20mm hard broken stone jelly for foundation including dewatering if found necessary and laid in layers of not more than 15cm thick including ramming watering and curing etc. complete complying with standard specifications and as directed by the Departmental Engineers.

Supplying fabricating and placing in position of Mild Steel (MS) or Ribbed Tor Steel (RTS) of grills for all R C C works including cost of steel, binding wire and labour charges for decoiling cutting, bending and tying the grills etc. complete complying with standard specifications and as directed by the Departmental Engineers.

Supplying and filling in position of 40cm thick metal using 20mm,40mm and 63 mm Hard Blue Granite jelley for longitudinal and transverse filter etc. complete complying with standard specifications and as directed by the Departmental Engineers.

Supplying and fabrication and CC Block of size 1.50 X 1.50 X 0.90 m with Plain Cement Concrete 1:2:4 (one cement two m.sand and Four aggregate) using 40mm and down graded metal hard broken stone jelly for foundation including dewatering if found necessary and placing in position including ramming watering and curing etc. complete complying with standard specifications and as directed by the Departmental Engineers.

Supplying and Filling of Gravel in between the gap of CC Block with 75mm thick etc. complete complying with standard specifications and as directed by the Departmental Engineers.

Supplying and filling loose boulders of Size more than 300mm and weight more than 40kg in U/S and D/S apron using including conveyance,cost of materials etc. complete complying with standard specifications and as directed by the Departmental Engineers. (Bed Pitching and D/S launching Apron)

Rough stone dry packing using new stones for cone wraping aprons and revetment including labour charges etc. complete complying with standard specifications and as directed by the Departmental Engineers.

Supplying and fixing in position of seepage pipes of 75 mm dia PVC pipe having working pressure of 6kg/cm2 required lenghts with required fillter media (excluding the cost of fillted media) for abutment and wings including cost and conveyance of all materials to work site and labour charges for fixing etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Supplying and fixing of water stoper (bar) 150mm wide single bulb including cost of required accessories etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Fabricating, supplying and erection of Screw Gearing Steel Shutters of size above to 1.00 m and upto 2.00m width consist of Skin plate made out of 8mm thick Mild Steel plates and horizontally stiffened with 100x50 mm Mild Steel channel at an interval not more that 0.50m and vertical stiffeners made out of same section at an interval not more than 0.60m and provided with 8mm 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 shutter Groove Angle made up of 100x100x10 mm Mild Steel angle for required height including welding of 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 tw0 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 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 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 0.20x0.30m, 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 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 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.

Dewatering using 5HP diesal Engine pumped inlcuding hire charges cost of diesal Engine oil, pump operator, labour charges conveyance of pumpset and fuel to site and back loading and unloading anyother inciditial charges etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Earth work in all soils except hard rock requring blasting and conveying for formation of bund with lead of 0 to 100m deploying earth moving machinery and tippers with a lead of 5 KMMR including benching breaking clods, unloading and spreading, sectioning, watering and consolidation by power roller etc. complete complying with standard specifications and as directed by the Departmental Engineers.

GST at 18%

V.JANARTHANAN