Construction of a check dam across Marudaiyar River at Vilamuthur village in Perambalur Taluk and District

Amount

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

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.)

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)

Supplying and Filling of m.sand for foundation etc. complete complying with standard specifications and as directed by the Departmental Engineers.

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( M10) 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. (Bleow Ground Level)

Plain cement concrete (M15)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 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 1.50 m to 4.50m depth

Plain cement concrete (M15) 1:2:4 (one cement two m.sand and four aggregate) using 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 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 1.50m to 4.50m

Above Ground Level upto 4.50m

Providing and laying in position, Standardised Concrete Mix M-20 Grade in accordance with IS:456-2000, Using 20mm and down graded hard broken granite stone jelly foe all RCC items of works with minimum cement content of 350 kg/m3 and maximum water cement ration of 0.50, including admixture (plasticiser/super plasticiser) in recommended proportions as per IS: 9103 to accelerate, ratard setting of concrete, improve workability without impairing strength and durability with about (5.0 cu.m) 7730kg. of 20mm machine crushed stone jelly and with about (3.30 cu.m) 5156kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670kg of m.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 fan clamps in the RCC floor/roof slabs wherever necessary without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers. The coarse and the find aggregate to be used should comply with the requirement of IS standards. ) No separate payment will be made by the Department for the excess usage of materials.)

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 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.

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 CCBlock 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.

Rough stone dry packing for apron and revetment using new stones for upstream and downstream return walls etc. complete complying with standard specifications and as directed by the Departmental Engineers.

Dewatering using 5 HP diesel engine pumpset including Hire Charges,cost of Diesel, Engine oil,, pump oprator,Labour Charges,conveyance of pumpset and fuel to site and back,loading,unloading and any other incidental 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 1 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%

R. Subramanian