Construction of RCC bridge at Sundakkamuthur Sarapannai road in ward no.89, south zone

Earthwork excavation in all classes of soil except soft desigtegrated rock and hard rock not requiring blasting and depositing on bank with all leads and lifts as per SS20B, including cost of all labour, equipments and all incidental charges such as Bailing our water, providing and maintaining necessary cofferdams, sheeting, shoring bracing and their subsequent removal, removal of all logs, stumps, grubs and other deleterious matter and obstructions, trimming bottom of excavation backfilling, and clearing the site and disposal of all surplus materials etc., complete as per relevant standard specification for DRESSING THE BED UP TO SILL LEVEL.

Earthwork excavation in all class of soil except soft desintegrated rock and hard rock requiring blasting and depositing on bank with all leads and lifts as per SS20B, including cost of all labour, equipments and all incidental charges such as baling our water, providing and maintaining necessary cofferdams, sheeting, shoring bracing and their subsequent removal, removal of all logs, stumps, grubs and other deleterious matter and obstructions, trimming bottom of excavation backfilling, and clearing the site and disposal of all surplus materials etc., complete as per relevant standard specification for FOUNDATION OF ABUTMENTS, PIERS AND WINGS.

Earthwork excavation in Soft disintegrated rock not requiring blasting except hard rock requiring blasting and depositing on bank with all leads and lifts as per SS20B, including cost of all labour, equipments and all incidental charges such as baling our water, providing and maintaining necessary cofferdams, sheeting, shoring bracing and their subsequent removal, removal of all logs, stumps, grubs and other deleterious matter and obstructions, trimming bottom of excavation backfilling, and clearing the site and disposal of all surplus materials etc., complete as per relevant standard specification for FOUNDATION OF ABUTMENTS, PIERS AND WINGS.

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. for LEVELING COURSE UNDER FOOTINGS-1 Cum (Below sill level)

Providing and placing Plain Cement concrete M 20 grade (Design Mix) using crusher broken hard coarse aggregates and the maximum nominal size of coarse aggregate of 40mm down graded confirming to IS specified grading ( toachieve the specified characteristic strength of 20 N/mm2 at 28 days) and mixing the ingredients in approved mixer 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. for FOOTINGS OF ABUTMENT, PIERS AND WINGS BELOW SILL LEVEL.

Providing and placing Plain Cement concrete M 20 grade(Design Mix) using crusher broken hard coarse aggregates and the maximum nominal size of coarse aggregate of 20mm downgraded confirming to IS specified grading ( toachieve the specified characteristic strength of 20 N/mm2 at 28 days) and mixing the ingredients in approved mixer 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.for SUBSTRUCTURE OF ABUTMENTS, WINGS, AND PIERS ABOVE SILL LEVEL.

Providing and laying in position, Standardised Reinforced Cement Concrete Mix M-30 Grade Design Mix in accordance with IS:456-2000,using HBGS jelly of 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 400 kg/m3 and maximum water cement ratio of 0.45, 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 ( 5.0 cu.m) 7730 kg of 20mm machine crushed stone jelly and with about (3.3 cu.m) 5156kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670kg of M.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 requirement of IS standards.( No separate payment will be made by the Department for the excess usage of materials)for DIRT WALL CUM BED BLOCK OVER ABUTMENTS AND BED BLOCK OVER PIERS.

Providing and laying in position, Standardised Reinforced Cement Concrete Mix M-30 Grade Design Mix in accordance with IS:456-2000,using HBGS jelly of 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 400 kg/m3 and maximum water cement ratio of 0.45, 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 ( 5.0 cu.m) 7730 kg of 20mm machine crushed stone jelly and with about (3.3 cu.m) 5156kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670kg of M.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 requirement of IS standards.( No separate payment will be made by the Department for the excess usage of materials) for DECK SLAB AND KERBS.

Providing and Laying in position, Plain Cement concrete M 15 grade (Design Mix) with Hard Broken HBGS Stone jelly aggregates and the maximum nominal size of coarse aggregate of 40mm and down graded 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. for BASE COURSE BELOW APPROACH SLAB.

Providing and laying in position, Standardised Reinforced Cement Concrete Mix M-30 Grade Design Mix in accordance with IS:456-2000,using HBGS jelly of 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 400 kg/m3 and maximum water cement ratio of 0.45, 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 ( 5.0 cu.m) 7730 kg of 20mm machine crushed stone jelly and with about (3.3 cu.m) 5156kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670kg of M.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 requirement of IS standards.( No separate payment will be made by the Department for the excess usage of materials) for APPROACH SLAB.

Providing and Laying in position, Plain Cement concrete M 30 grade (Design Mix) for wearing coat 75 mm thick with well graded aggregates and the maximum nominal size of coarse aggregate of 20mm and down graded to IS specified grading and mixing by mixer machine ( to produce concrete of the specified characteristic strength of 30 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. for wearing coat of 75mm uniform thickness over deck slab and approach slab.

Providing and laying in position, Standardised Reinforced Cement Concrete Mix M-40 Grade Design Mix in accordance with IS:456-2000,using HBGS jelly of 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 440 kg/m3 and maximum water cement ratio of 0.40, 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 ( 5.0 cu.m) 7730 kg of 20mm machine crushed stone jelly and with about (3.3 cu.m) 5156kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670kg of M.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 requirement of IS standards.( No separate payment will be made by the Department for the excess usage of materials) for RCC CRASH BARRIERS OVER DECK SLAB. -1RM(For Estimate Purpose, mix 1:1.5:3)

Providing and laying in position, Standardised Reinforced Cement Concrete Mix M-30 Grade Design Mix in accordance with IS:456-2000,using HBGS jelly of 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 400 kg/m3 and maximum water cement ratio of 0.45, 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 ( 5.0 cu.m) 7730 kg of 20mm machine crushed stone jelly and with about (3.3 cu.m) 5156kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670kg of M.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 requirement of IS standards.( No separate payment will be made by the Department for the excess usage of materials) for CC PARAPET OVER DECK SLAB AND WINGS. -1RM(For Estimate Purpose, mix 1:1.5:3)

Providing steel centering for cement concrete block, column, footing, pedestal, plinthbeam, grade beam etc.,which require nominal strutting etc, using MS sheets 10 gauge thick of size 90 x 60 cm stiffened with MS angle of size 25mm x 25mm x 3 mm laid over silver oak joists of size 10 cm x 6.5 cm spaced at 90 cm 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.

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 90cmx60cm and 10BG stiffened with welded mild steel angle of size (25x25x3)mm laid over silver oak joists of size (10x6.5)cm spaced at about 90cm C/C and supported by casurina props of 10cm to 13cm dia spaced at not more than 75cm C/C etc., 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.

Supplying and fabrication 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 overlapping to the required length wherever necessary and placing the reinforcement in position as specified in the drawings including cost of binding wire, provision of spacer bars, cover blocks and all other incidental charges etc. complete as per standard specification and as directed by the departmental officers.

Supplying and fixing in position of seepage pipes having working pressure of 6 Kg/cm2 of 63mm dia PVC pipe of required lengths for retaining wall including cost and coveyance of all materials to the work site complete complying with standard specifications and as directed by the departmental officers.

Providing and fixing KRAFT PAPER for full width of seating of deck slab and including cost and conveyance to work site, labour for fixing the same in correct position and all other incidental charges etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing 300mm wide PVC EXPANSION JOINT in the 20mm expansion gap provided in between decks over piers and in between deck and dirt wall over abutment as shown in the drawing including cost and conveyance of expansion joints including shalimar pad and joint sealant etc., complete complying with standard specification and as directed by the Departmental officers. in between deck slabs over abutment and pier as shown in the drawing including cost and conveyance of expansion joints including shalimar pad and joint sealant etc, complete

Supplying and fixing GI DRAINAGE SPOUTS 100mm dia as per GOI drawing SD/205 with grating arrangements at top as shown in the drawing and 100mm dia drainage spout projecting atleast 300mm beyond the bottom of deckslab as shown in the drawing, including cost and conveyance of Galvanised iron pipes and flats and fixing them in position, etc., complete as per cl 2705 of MORT&H specification and as directed by the departmental officers

Cleaning the Juncle using Mechanical JCB as per the Direction of the Departmental officers Etc., Complete

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