Rehabilitation of Nari Odai Anicut and Paravai Odai Anicut in Kunnam Taluk of Perambalur District

Dismantling, clearing away and carefully stacking material and without disturbing nearby structure useful for reuse for any thickness of brick or stone masonry in Cement Mortar walls under 3 (Three) meters high etc. complete complying with Standard Specifications and as directed by the Departmental Engineers

Dismantling, clearing away and carefully stacking materials useful for re-use for any thickness of walls plain Cement concrete etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Earth work excavation for foundation in all kinds of soils and sub-soils except hard rock requiring blasting full depth as may be directed depositing the surplus earthin places shown by the engineers -in charge of work and levelling the same with all leads and lifts including shoring shuttering, bailing out water wherever necessary and refilling the sides of foundation with excavated in layers of 15cm thick well rammed and consolidated etc. complete complying with Standard Specifications and as directed by the Departmental Engineers (Narrow Excavation)

Supplying and filling in foundation, basement, etc with filling M- sand in layers of not more than 15 cm thick well watered, consolidation etc. complete complying with standard specification and as directed by the departmental officers.

Providing and placing Plain cement concrete M10 grade using crushed broken hard granite course aggregate (well Graded) of Nominal maximum size of 40mm to Ls specified grading (to achieve the specified characteristicik strength of 10N /mm2 in 28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by baling (pumping and dewatering wherever necessary placing in layers and vibrating water curing finishing the surface with all leades and lifts etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Below Bed Level upto 1.50m

Above Bed Level upto 4.50m

Supplying and erection of steel centering for sides and soffits for plain surface with all cross bracings using Mild Steel sheets of size 90cm. X 60cm. thickness of and B.G.10 stiffened with welded Mild Steel angles of size 25 X 25 X 3mm for boarding, laid over country wood joists of size 10cmX 6.5cm spaced at 90cm. Centre to centre and supported by casuarina props of 10 to 13cm dia (spaced at 75cm) Centre to centre etc. complete complying with Standard Specifications and as directed by the Departmental Engineers. Above Ground Level.

Providing and laying in position, standardised concrete Mix M-20 Grade by insitu machine mix concrete adopting weighing batch method in accordance with IS 456 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5 Cu.m) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 Cu.m) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg. of crushed stone sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc. complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).