Construction of check dam across Sengal Odai at Nettalakurichi village in Andimadam Taluk of Ariyalur 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 etc. complete complying with standard specifications and as directed by the Departmental Engineers. Oridinary soil SS 20B (Open Excavation)

Earthwork excavation for foundation in all kind of soils and sub soils to full depth except hardrock,medium rock,requiring blasting inclusive of shoring,strutting and bailing out water wherever necessary,refilling the sides of foundation with excavated earth in layers of not more than 15cm thick well rammed and compacted and depositing the surplus excavated earth in places shown by the departmental officers with initial lead of 10 meters and initial lift of 2 meters clearing and levelling the site complete complying with standard specifications and as directed by the Departmental Engineers. (Narrow excavation)

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 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 upto 3m to 4m height

Centering with strutting upto 4m to 5m height

Centering with strutting upto 5m to 6m height

Plain cement concrete1:3:6 (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

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 1.50 m

Below Ground Level upto 1.50 m to 4.50 m

Plain cement concrete 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.

Above Ground Level upto 4.50m

Above Ground Level upto 4.50m to 9.00m depth

Below Ground Level upto 1.50m

Below Ground Level 1.50m to 4.50m

Providing and laying in position standardised concrete Mix M-20 Grade in accordance with IS 456-2000 using 20mm and downgraded hard broken granite stone jelly for all RCC items of works with minium cement content of 325 kg/m3 and maxium water cement ratio of 0.55 including admixture (Plasticizer/Super plasticizer) in recommended proportions asper IS 9103 to accelerate, retard setting of concrete, improve workability without imparing strength and durability with about (5 cu.m) 7730 kg of 20 mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg of m.sand, but excluding cost of reinforcemnt grill and fabricating charges, centering and shuttering and also including and laying, vibrating with mechanical vibrators, finishing, 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 40mm graded metal using 20mm,40mm and 63 mm Hard Blue Granite jelley for longitudinal and transverse filter as directed by the departmental officers complete complying with standard specification and as directed by the Departmental Engineers

Supplying and filling in position of 20 cm thick Filling sand for longitudinal and transverse inverted filter as directed by the departmental officers complete complying with standard specification and as directed by the Departmental Engineers

Supplying and fabrication of CC Block of size 1.50m X 1.50m X 0.90 m with Plain Cement Concrete 1:2:4 (one cement two m.sand and Four aggregate) using 20mm 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 D/s Launching apron)

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(.Cone Wrapping)

Earth work in all soils except hard rock requiring blasting and conveying for formation of bund with lead of 0 to 100m deploying earth moving machinery and tippers including,benching breaking clods, unloading and spreading, sectioning, compaction with power roller etc. complete complying with standard specification and as directed by the departmental officers.

GST at 18%

Shuruthi Engineering (BID ID -1093045)