Rehabilitation of Nagathi Channel Syphon across Vettar River in Nagathi village of Thiruvaiyaru taluk in Thanjavur District.

Amount

Dismantling clearing away and carefully stacking materials useful for reuse for any thickness of walls of Brick or stone masonry in cement mortar under 3m height etc., complete complying with standard specification and as directed by the departmental officers.

Dismantling clearing away and carefully stacking materials useful for re-use for any thickness of Reinforcement Cement Concrete etc.,complete complying with standard specification and as directed by the departmental officers.

Dismantling clearing away and carefully stacking materials useful for re-use for any thickness of Plain Cement Concrete etc.,complete complying with standard specification and as directed by the departmental officers.

Earth work excavating and depositing on bank with initial lead of 10m & initial lift of 2m 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 etc., complete complying with standard specification and as directed by the departmental officers.

Earth work excavating for foundation in all kinds of soils and sub soils and depositing on bank with initial lead of 10 m and initial lift of 2 m except hard rock requiring blasting to full depth as may be directed inclusive of shoring strutting, bailing out water wherever necessary and refilling the sides of foundation with excavated earth as per standard specification and as directed by the departmental officers.

Providing and placing Plain Cement Concrete M10 grade using crusher broken hard granite course aggregate (well graded) of nominal maximum size of 40mm to I.S specified grading (To achieve the specified characteristic strength of 10N/mm2 in 28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by baling / pumping and diverting wherever necessary placing in layers and vibrating, water curing, finishing the surface with all leads and lifts etc., complete complying with standard specification and as directed by the departmental officers.

Providing and laying in position Ready mixed Plain Cement Concrete of M15 using 20mm size downgraded (HBGS) hard broken granite stone jelly to attain the specified characteristic strength not less than 15N/mm2 at 28 days and manufactured in fully automatic batching plant and transported to site of work in transmit mixer including pumping RMC from transmit mixer for all leads, having continuous agitated mixer, including pumping RMC from transit mixer to site of laying admixtures in recommended proportions as per IS 9103 to accelerate / retard setting of concrete, improve workability without impairing strength and durability as per the direction of Engineer-in charge including production cost of concrete by mixer plant including batching, mixing, hire charges for machineries such as batching plant, Generator, and carriage of concrete by transporting the concrete from batching plant to the site by using transit mixer including charges for operator and helpers and pumping of concrete from site to the required location including hire charges of pump, piping work and accessories etc., labour for pouring, consolidating and etc., complete complying with standard specifications and as directed by the departmental officers.

Providing and laying in position Ready mixed Reinforced Cement Concrete of M 20 grade in accordance with IS 456-2000 using 40mm size (HBGS) hard broken granite stone jelly for RCC works to attain the specified characteristic strength not less than 20N/mm2 at 28 days and manufactured in fully automatic batching plant and transported to site of work in transmit mixer including pumping RMC from transmit mixer for all leads, having continuous agitated mixer, including pumping RMC from transit mixer to site of laying admixtures in recommended proportions as per IS 9103 to accelerate / retard setting of concrete, improve workability without impairing strength and durability as per the direction of Engineer-in charge including production cost of concrete by mixer plant including batching, mixing, hire charges for machineries such as batching plant, Generator, and carriage of concrete by transporting the concrete from batching plant to the site by using transit mixer including charges for operator and helpers and pumping of concrete from site to the required location including hire charges of pump, piping work and accessories etc., labour for pouring, consolidating and etc., complete complying with standard specifications and as directed by the departmental officers.

Providing and laying in position, Standardised Concrète Mix M-30 Grade in accordance with IS:456- 2000, using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 400 kg/m3 and maximum water cement ratio of 0.45 including admixture (plasticiser super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrète, improve workability without impairing strength and durability with about (5.0 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.30 cu.m.) 5156 kg. of 10 12mm machine crushed stone jelly and with about (4.79 cu.m.) 7670 kg. of sand, but excluding cost of reinforcement grill and fabricating charges, centering and shutterlng 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 fine aggregates to be used should comply with the requirements of IS Standards. (No separate payment will bemade by the Department for the excess usage of materials}.

Supplying and erecting steel centering for sides and soffits without strutting for plain surface with all cross bracings using Mild steel sheets of size 90cm x 60cm. Thickness of 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 10cm x 6.5cm spaced at 90cm. Center to center etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and erecting steel centering for sides and soffits with strutting upto 3m height for plain surface with all cross bracings using Mild steel sheets of size 90cm x 60cm. Thickness of 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 10cm x 6.5cm spaced at 90cm. Center to center and supported by Casuarina props of 10 to 13cm dia. (spaced at 75cm) center to center etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and fabrication and placing in position of Mild Steel / Ribbed Tor steel for all RCC works including cost of steel and G.I. binding wire etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing in position of seepage pipes of 63mm dia PVC pipe having working pressure of 6 Kg/cm2 required lengths for retaining wall including cost and conveyance of all materials to the work site complete complying with standard specifications and as directed by the departmental officers.

Supplying and Fixing of Expansion Board (water proof) 20mm thick including cost of required accessories @ every suitable Intervel as directed by the departmental officers - For walls

Providing Filter media arrangements to the weep holes in the rear side of retaining wall for a size of 45cmx45cmx60cm and filling with 20mm metal of 30cm thick in Ist layer and 40mm metal of 30cm in IInd Layer the rate is including cost of metals etc complete complying with standard specification and as directed by the Departmental officers.

Dewatering using 7.5 HP Diesel Engine pumpset including Hire charges,cost of Diesel Engine oil,Pump operator,labour charges, conveyance of pumpset and fuel to site and back,loading ,unloading and any other incidential charges etc.,complete complying with standard specification and as directed by the departmental officers.

Earth work excavation deploying earth moving Machineries for desilting channel having a width of 3m to 10m and forming bund on either side and depositing the earth on banks including jungle clearance etc. complete complying with standard specifications and as directed by the departmental officers