Rehabilitation of Masonry Structures in Kalanivasal Channel from LS 0.00 Km to 11.50 Km in Enathikarambai, Ammaiyandi, Sengamangalam, Athanoore and Kalanivasal Villages in Peravurani Taluk of Thanjavur District.

Amount

Earth work excavation deploying earth moving machinery for desilting channel having a width of upto 3m and forming bund on either sides and deposting the earth on banks including jungle clearance etc., complete complying with standard specification and as directed by the departmental officers.

Earthwork in all soils except hard rock requiring blasting and conveying for formation of bund with a lead of 2Km (MR) deploying earth moving machinery and tippers including benching, formation of bunds, breaking clods ,sectioning, compaction by power roller with watering and consolidation in layers of not more than 15cm thick etc.,complete complying with standard specification and as directed by the departmental officers.

Dismantling clearing away and carefully stacking materials useful for reuse for any thickness of brick or stone masonry in cement mortar walls 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.

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.

Supplying and filling in foundation with M.sand Gravel mix in ratio of 30:70 in layers of not more than 15cm thick thoroughly mixed, well watered, rammed and consolidated etc.,complete complying with standard specification and as directed by the departmental officers.

Cement concrete 1:3:6 (one cement, three M-sand and six aggregate) using 40 mm size hard broken granite stone jelly for base concrete layers of not more than 15 cm thick including compacting, finishing curing etc., complete complying with standard specification and as directed by the departmental officers.

Providing and placing Plain Cement Concrete M15 grade using crusher broken hard granite course aggregate (well graded) of nominal maximum size of using 60% of 40mm and 40% of 20mm down graded to I.S specified grading (To achive the specified characteristic strengh of 15N/mm2 in 28 days) and mixing the ingredients in approved mixer 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 in all respects so as to attain the profile and strengh specified in the approved drawing and specifications, etc., complete complying with standard specification and as directed by the departmental officers.

Providing and placing Plain Cement Concrete M15 grade using crusher broken hard granite course aggregate (well graded) of nominal maximum size of 20mm down graded to I.S specified grading (To achive the specified characteristic strengh of 15N/mm2 in 28 days) and mixing the ingredients in approved mixer 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 in all respects so as to attain the profile and strength specified in the approved drawing and specifications, etc., complete complying with standard specification and as directed by the departmental officers.

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 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 officers.

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 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.

M RAJAGOPAL (BID ID -1179343)