Construction of a Checkdam across Varattar River in Malvarpatti Village of Vedasandur Taluk of Dindigul District

Amount

Clearing the scrub jungle and destroying the same effectively, complete complying with standard specification and as directed by the departmental officers.

Earthwork Excavating and deposting on banks with initial lead of 10m and 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 ( SS20B ) etc., complete complying with standard specification and as directed by the departmental officers. ( Regrading )

Earthwork Excavating and deposting on banks with initial lead of 10m and 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 ( SS20B) hard stiff clay, stiff black cotton ,hard red earth ,shales murram, gravel stoney earth and earth mixed with small size boulders and soft disintergrated rock ,laterite ,soft rock or kankar not requiring blasting etc., complete complying with standard specification and as directed by the departmental officers. ( Open Excavation )

Earthwork Excavating and deposting on banks with initial lead of 10m and 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 ( SS20B hard stiff clay, stiff black cotton ,hard red earth ,shales murram, gravel stoney earth and earth mixed with small size boulders and soft disintergrated rock ,laterite ,soft rock or kankar not requiring blasting etc., complete complying with standard specification and as directed by the departmental officers.( Narrow Excavation)

Earthwork in all soils except hard rock requiring blasting and conveying earth with all leads and lifts for formation of bund with a lead of 0km to 100km deploying earth moving machinery and tippers including benching, formation of bund, breaking clods, sectioning etc., complete and closing breaches for extra watering and consolidation by power roller including hire charges etc., complete complying with standard specification and as directed by the departmental officers. with lead of 3km (Bund Formation)

Providing and laying Plain Cement concrete of M10 grade (Design Mix) using 40mm HBGS jelly (well graded) confirming to IS specified grading (to produce concrete of the specified grading and characteristic strength of 10N/mm2 at 28 days) and mixing the ingredients by mixer machine including dewatering by bailing/pumping wherever necessary laying the concrete in layers and in bays with all leads and lifts,compacting and finishing the surface, watering, curing etc.,complete complying with standard specifications and as directed by the departmental officers

Providing steel centering for cement concrete block,column,footing,pedestal,plinth beam,grade beam etc., which require nominal strutting etc., using MS sheets 10 gauge thick of size 90cm x 60cm stiffened with MS angle of size 25mm x 25mm x 3mm laid over silver oak joists of size 10cm x 6.5cm spaced at 90cm c/c duly supported and removing the strutting after specified period without damaging the concrete laid complete complying with standard specification and as directed by the departmental officers.Scaffolding and centering charges for the structural components is including the cost and conveyance of all material to the site including all labour charges and incidental charges etc., complete complying with standard specifications and as directed by the Engineer in charge.(Nominal strutting)

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29m height for vertical / sloped surface as detailed below with all cross bracings using mild steel sheets of size 90cm x 60cm and 10BG Stiffened with welded mild steel angle of size (25x25x3)mm laid over silver oak joists of size 10x 6.5cm spaced at about 90cm c/c and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75cm c/c etc.,complete complying with standard specifications and as directed by departmental officers.Scaffolding and centering charges for the structural components is uncluding the cost and conveyance of all materials to the site including all labour charges and incidental charges etc., complete (for vertical wall surface)

Supply and fabricating of steel required for all RCC works involved in the schedule including cost of steel ,cost of fabrication,labour charges for cleaning the rods straightening,cutting,bending,tying grills including over lapping to the required length whereever necessary and placing reinforcement in position as specified in the drawing including cost of binding wire provision for space bar cover blocks and all other incidental charges etc., directed by the departmental officers.

Providing and Laying in position, Plain Cement Concrete of M 15 grade (Design Mix) with well graded aggregates and the maximum nominal size of HBGS jelly of 40mm and down graded (60% of 40 mm and 40% of 20mm) confirming to IS specified grading and mixing by mixer machine ( to produce concrete of the specified characteristic strength of 15N/mm2 at 28 days) including dewatering by bailing/ pumping wherever necessary laying the concrete in layers and in bays with all leads and lifts, vibrating, compacting, and finishing the surface, watering, curing, for various depth and height below and above ground level so as to attain the profile and strength specified in the drawings as per the direction of the departmental officers and complying with standard specification.

Providing and Laying in position, Plain Cement concrete M 15 grade (Design Mix) using 20mm HBGS jelly to IS specified grading and mixing by mixer machine ( to produce concrete of the specified characteristic strength of 15 N/mm2 at 28 days) including dewatering by bailing/pumping wherever necessary laying the concrete in layers and in bays with all leads and lifts, vibrating, compacting and finishing the surface watering, curing for various depth and height below and above ground level so as to attain the profile and strength specified in the drawings as per the direction of the departmental officers and complying with standard specification.

Providing and laying in position, standardised Reinforced cement concrete Mix M-20 Grade(Design mix) 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 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with above (3.3 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 shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing,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 be made by the Department for the excess usage of materials).

Supplying and laying of Launching apron revetment with loose boulders (jeddy stones) of each size greater 300mm and weight more than 40kg including cost of labour etc., complete complying with standard specification and as directed by the departmental officers.

Rough stone dry packing for Revetment using new hard granite stones obtained from approved quarries including cost of wedges for filling the gaps, including cost and conveyance of all materials and all labour charges etc.,complete complying with standard specification and as directed by the departmental officers.

Supplying and filling with M.sand for inverted filter in layers of not more than 15 cm thick, well watered, rammed and consolidated etc., complete complying with standard specification and as directed by the departmental officers

Supplying and filling 40mm jelly for inverted filter with a thickness of 40cm over sand filling as a filter media for concrete blocks including cost of materials, conveyance, labour charges for laying etc. complete complying with standard specification and as directed by the departmental officers.

Providing and fixing PVC pipe of size 75mm diawith having working pressure as ISI standard (6kgs/cm2) for presure relief weep holes ( weep holesat ) at including all labour charges for fixing and cost and conveyance of all materials to the work siteetc., complete complying with standard specification and as directed by the Departmental officer.

Suppying and fixing PVC water bar 150mm width with single bulb in postion including fixing cost and coveyance of all materials to the work site complete complying with standard specification and as directed by the Departmental officer.

Supplying and fixing Bitumen felt 15mm thick pad for joints in thereturn wall , wingwall, abutment and retaining wall at 25m intervals including all labour charges for fixing etc., complete complying with standard specification and as directed by the Departmental officer.

Supplying and filling the gravel in between gaps of CC blocks including cost of gravel and stacking to the department gauge for premeasurement etc., complete complying with standard specification and as directed by the departmental officers.

Providing filter media arrangements to the weep holes inthe rear side of return wall , wing wall, Abutment and retaining wall for a size of 45cmx45cmx60 and filling with 20mm metal of 30cm thick in 1st layer and 40mm metal of 30cm in 2nd layer the rate is including cost of metals etc.complete complying with standard specification and as directed by the departmental officers.

R R THULASI BUILDERS INDIA P LTD