Flood Protection Works in Kallar River in Mullur Muthukumarapuram Village of Ottapidaram Taluk in Thoothukudi District.

Amount

Earth work in all soils except hard rock requiring blasting and conveying for formation of bund with lead of 0 to 100 metre deploying earth moving machineries and tippers including benching, formation of bunds, breaking clods, sectioning etc complete

Earth work Excavaction for foundation in hard stiff clay,stiff black cotton soil, Hard red earth, shales, murrams, gravel, stoney earth and earth mixed with small size boulders and hard grvelly soil depositing on bank including shoring strutting and bailing out water wherever necessary, well rammed consolidated and deposting the surplus earth in places as shown by the departmental officers with an initial lead of 10metres and an initial left of 2 metres and clearing, levelling the site etc., complete complying with standard specification and as directed by the departmental officers.

Providing and placing in position Plain Cement concrete of M-10 using broken hard granite coarse aggregate (well graded) of nominal maximum size of 40mm and down graded to IS specified using M- sand ( to achieve the specified characteristic strength of 10 N / mm² in 28 days ) and mixing the incredients in approved mixer including dewatering of the placement site by baling/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.

Supplying and erecting steel centering for sides and soffits including necessary supports and strutting upto 3.29 m hight for plain surfaces such as R.C.C.slabs, vertical slabs, side slabs of R.C.C. works with all crossbracings using mild steel B.G.10 gauge sheets of size 90cm x 60cm stiffened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding laid over silver oak (country wood) joists of size 10cm x6.5cm 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 departmental officers. (The retrieved materials should be taken back by the contractor ). The payment should be made after the concrete is laid.

With Strutting

With out Strutting

Providing and placing in position Plain Cement concrete of mix M-15 Graded mix using broken hardgranite coarse aggregate (well graded) 60% of nominal maximum size of 40mm metal and 40% of nominal maximum size of 20mm and down graded to I.S. specified grading using M-sand (to achieve the specified characteristic strength of 15N/mm² in 28 days ) and mixing the ingredients in approved mixture including dewtering of the placement site by baling / pumping and diverting wherever necessary placing in layers and vibrating , watering, curing, finishing this 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 specifications etc., complete complying with standard specification and as directed by the Engineer in charge of work. ( with vibrator)

Providing and placing in position of Plain Cement Concrete M15 using hard broken granite course aggregate (well graded) of nominal maximum size of 20mm graded to I.S.Specificaiton grading using M-sand (to achieve the specified characteristic strength of 15 N / mm2 at 28 days ) and mixing the ingredients in by using mixer machine including dewatering of the placement site by bailing / pumping and dewatering wherever necessary laying the concrete in layers as directed and in bays compacting and vibrating watering curing finishing the surface with all leads and lifts so as to attain the profile and strength as specified in the approved drawing and specification for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the departmental officers. (with Vibrator)

Supplying, fabricating and placing in position of steel reinforcement using mild steel or ribbed tor steel rods of various diametre for all Cement Concrete works as per the design given including cost of steel, binding wire, labour charges for cutting, bending, tying the grills and laying in position, etc., complete complying with standard specification and as directed by the departmental officers.

Providing and placing in position of Plain Cement Concrete M20 using hard broken granite course aggregate (well graded) of nominal maximum size of 20mm graded to I.S. Specificaiton grading using M-sand ( to achieve the specified characteristic strength of 20 N / mm2 at 28 days ) and mixing the ingredients in by using mixer machine including dewatering of the placement site by bailing / pumping and dewatering wherever necessary laying the concrete in layers as directed and in bays compacting and vibrating watering curing finishing the surface with all leads and lifts so as to attain the profile and strength as specified in the approved drawings and specification for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the departmental officers. (with Vibrator)

Rough stone dry packing for side revetment using new rough stones for apron and revetment including stacking the rough stone for premeasurement, cost of new stones, wedges for filling the gaps, finishing neately etc., complete complying with standard specification and as directed by the departmental officers.

Suplying and filling of gravel by lorry including conveyance, loading and unloading charges and all other all other incidental charges laying, watering, etc., complete complying with standard specification and as directed by the departmental officers.

Gravel backing for revetment and apron in layers not exceeding 15cm thick, including watering, consolidation and trimming the top surface so as to receive the Rough Stones and including stacking for pre measurement etc., complete complying with standard specification and as directed by the departmental officers.

Dewatering Using 5 HP diesel engine pump set including hire charges, Cost of Diesel,Engine oil, pump operator,labour charges, conveyance of pumpset and fuel to site and back, loading, Unloding and any other icidental charges etc., complete

GST at 18%