Permanent Restoration to Deepcut Reach under Manimuthar main canal Reach I in Thruviruthanpulli Village in Cheranmahadevi Taluk in Tirunelveli District

Amount

Earthwork excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size of boulders hard gravelly soil inclusive of shoring to full depth strutting and bailing out water wherever necessary and refilling the sides of foundation with excavated soil other than sand in layers of not more than 15 cm thick, well rammed, consolidated and depositing the surplus earth in places as shown by the departmental officers with an initial lead of 10 metres and initial lift of 2 metres and clearing, levelling the site etc., complete complying with standard specification and as directed by the departmental officers.

MR-&-DMR (not requring blasting)Earth Work excavating and depositing on bank with an intial lead and of 10m and intial lift of 2m in Medium rock and dense medium rock not requiring blasting etc., complete complying with standard specification and as directed by the departmental officers.

Loose Boulders Earth Work excavating and deposting on band with initial lead of 10m & Lift of 2m in Loose boulders in excavation of various size 150mm to 625mm etc., complete complying with standard specification and as directed by the departmental officers.

Extra for every additional 10m lead or part threre of over the intial lead etc., complete complying with standard specification and as directed by the departmental officers.

Extra for every additional 1m lift or part threre of over the intial lift etc., complete complying with standard specification and as directed by the departmental officers.

Providing and placing in position Plain Cement concrete of M-20 using broken hard granite coarse aggregate (well graded) of nominal maximum size of 20mm and down graded to IS specified grading and using crushed stone sand(m-sand) ( to achieve the specified characteristic strength of 20 N / mm² in 28 days ) and mixing the incredients in approved mixer including dewatering of the placement site by bailing/pumping and diverting wherever necessary placing in layers and watering, curing, finishing the surface with all leads and lifts etc., complete in all respects so as to attain the profile and strength as specified in the approved drawings and specification etc., complete complying with standard specifications and as directed by the Engineer incharge of work. (Without vibration)

Providing and placing Reinforced Cement Concrete M20 grade using hard broken granite course aggregate (well graded) of nominal maximum size of 20mm and down graded t I.S specified grading (To achive the specified characteristic strengh of 20 N/mm2 in 28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by bailing/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.

Supplying and erecting water tight steel centering for sides and sofits including supports and strutting upto 3.29M height for plain surface such as RCC slab, vertical slabs, side slabs of RCC works wioth all cross bracings using mild steel B.G.10gauge sheets of size 90cm x60cmx10 gauge stiffend with welded mils dteel angels of size 25mm x25mmx3mm for boarding laid over silver oak(country wood) joists of size 10cmx6.5 spaced at about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre etc., complete complying with standard specification and as directed by the Engineer incharge of work (The retrieved materials should be taken back by the contractor). The payment should be made after the concrete is laid.

Without strutting

With strutting

Curved strutting

Supplying, Fabricating and placing in position of ribbed steel bars of various diameters for all reinforced concrete works, including cost of rods and binding wire, labour charges for cutting the rods to the required lengths, bending, tying and fixing in position of various depths and heights below and abvoe ground level etc., complete complying with standard specification and as directed by the departmental officers.

Refilling the excavated earth in layers not exceeding 23cm thickness and watering to OMC (Optimum Moisture content) and compaction of each layer to 95% of proctor Density through deployment of appropriate compaction equipment (8-10T power roller) vibratory power roller of short width ( 0.90m width drum) power roller or vibratory power roller/fuel operated or electrically operated, vibratory plate compactors, ensuring compaction of designed bund section including side slopes etc., complete as directed by the Engineer in charge of works and as per the technical specifications.

Providing construction,contraction and lift joins in masonry,concrete including cutting jointing the pvc water stopper of 230mm width and Placing mastric pad os 20mm thick (1.04kg) of asphalt & 0.23m² of mastric pad required for 1Rmt at Joints below the water stopper after cutting to the required size including the filling the joints with mastic Filling as specified in the drawings direected by the engineer coplying with standart specification drawing and pecification as directed by the department officers.