Special Repairs to Nedumaram Tank Sluice No.1 Field Channel in Nedumaram Village of Thiruppathur Taluk in Sivagangai District

Earth work excavating and depositing on bank with in initial lead of 10m and initial lift of 2m in hard stiffy clay, stiff black cotton, hard red earth shales murrams, gravel, stoney earth and earth mixed with small size boulders etc., complete complying with standard specification and as directed by the departmental officers.

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

Providing and placing in Position cement concrete of grade M15 for Plain cement concrete using hard broken stone aggregate of maximum nominal size of 40mm to IS specified grading mixing by mixer machine including dewatering the placement site,laying the concrete in layers and in bays vibrating,compacting and finishing the surface with all leads and lifts watring curing to attain the profile and strength as specified in the drawing for various depth and height below and above ground level etc complete as directed by the Engineer in charge of work complying with the standard specification (By using mixer machine)

Supplying and erecting water tight steel centering for sides and soffits including necessary supports with all cross bracing using Mild steel BG10gauge sheets of size 90x60cm stiffened with welded mild steel angles of size 25x25x3mm laid over silver oak(country wood)joists of size 75x5cm spaced at about 45cm c/c and supported by casurina props of 10cm to 13cm dia spaced at 75cm c/c for vertical plain concrte etc, complying with standard specification and as directed by the Departmental officers ( The retrieved materials should be taken back by the contractor).The payment for centring shall be given after the concrte is laid for field bothies.

Cement concrete of grade M15 design Mix with well graded aggregates and the nominal maximum size of coarse aggregate of graded mix using 40% quantity of 20mm size hard broken granite stone jelly and 60% quantity of 40mm and downgrade to I.S. specified grading mixing in mixer machine (to produce concrete of the specified characteristic strength of 10N/mm2 at 28 days) including dewatering the placement site laying compacting and vibrating finishing the surface with all leads and lifts watering, curing ,etc, complete and as directed by the Engineer complying with standard specification and as directed by the Engineer in charge of the work.

Providing and placing in Position of Plain cement concrete of grade M20 using hard broken stone aggregate of maximum nominal size of 20mm to IS specified grading mixing by mixer machine including dewatering the placement site,laying the concrete in layers and in bays vibrating,compacting and finishing the surface with all leads and lifts watering curing to attain the profile and strength as specified in the drawing for various depth and height below and above ground level etc complete as directed by the Engineer in charge of work complying with the standard specification

Supplying, fabricating & placing in position of ribbed tor steel grills for Reinforcement of RCC works including cost of steel and binding wire and labour charges for decoiling, cutting, bending and tying the grills complete complying with standard specification. (Steel and binding wire will be at the contractor's own cost) and as directed by the Engineer in charge of the work.

GST(18%)