Re-construction 7.50 Mtr. Wide Bridge at RD 31050 of Mahra Drain A.F. 2021(Re-invite).

Amount

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead up to 50 m and lift up to 1.5 m. (HSR item No. 4.12.1)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering- All work below plinth level and up to Floor IV level:1:3:6 (1 Cement : 3 coarse sand (zone-III) : 6 graded stone aggregate 20 mm nominal size).(HSR item No. 6.1.4)

Providing and laying in position cement concrete of specifiedgrade excluding the cost of centering and shuttering - All work below plinth level and up to Floor IV level:1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size).(HSR item No. 6.1.2)

Brick work with common burnt clay non-modular bricks of class designation 7.5 in foundation and plinth in:Cement mortar 1:4 (1 cement : 4 coarse sand).(HSR item No. 7.21.1)

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding finishing and reinforcement, including the cost of centering, shuttering and admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge. All works up to plinth level (HSR item No. 6.25.1)

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding finishing and reinforcement, including the cost of centering, shuttering, admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge. All works above plinth level up to floor IV level (HSR item No. 6.25.2)

RCC Grade M-20 ,For solid slab super structure height up to 5 m excluding the cost of centering, shuttering and steel reinforcement (HSR item No. 27.25.1.1)

Centering and shuttering including strutting, propping etc and removal of form for foundation, footing, bases of columns, etc. For mass concrete.( HSR item No. 6.30.1)

Centering and shuttering inluding strutting, propping etc. and removal of form for walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc. (HSR item No. 6.30.2)

Centering and shuttering inluding strutting, propping etc. and removal of form for Suspended floors, roofs, landings, balconies. (HSR item No. 6.30.3)

Steel reinforcement for Cold twisted bars for R.C.C. work, where not included in the complete rate of RCC, including straightening, cutting, bending, placing in position, binding, wastage, overlaps, welded joints, spacer bars, chairs, stays, hangers and annealed steel wire etc. complete in all respect below plinth level .(HSR item No. 6.33.3)

Filling available excavated earth (excluding rock) in trenches, cumplinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m. (HSR item No. 4.32)

Providing and laying of brick on edge flooring with bricks of class designation 7.5 on a bed of 12 mm cement mortar, including filling the joints with same mortar, with comon burnt clay non modular bricks: (HSR item No. 10.33.1)

Providing and fixing in position 20 mm thick premoulded joint filler in expansion joint for fixed ends of simply supported spans not exceeding 10 m to cater for a horizontal movement up to 20 mm, covered with sealant complete as per drawing and MoRT&H specifications (HSR item No. 27.51.3)

Drainage Spouts complete as per drawing no. SD/205 and MoRT&H MoRT&H specification clause 2705 with 6 meter long GI 100 mm dia drainage GI light grade pipe (For Bridges) (HSR item No. 27.44.2)

12 mm cement plaster of mix: 1:4 (1 cement: 4 fine sand) (HSR item No. 11.5.3)

Providing and applying two coats white cement based putty of approved brand and manufacturer, over plastered surface and grinding the surface smooth with sand paper to get en even and smooth finish including cost and carriage of all material , labour charges, scaffolding, sundries etc. complete (HSR item No. 11.58)

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre (HSR item No. 11.69.2)

Providing and fixing in position asphalt for paper on bearing @500 sqm (Sanction rate by CE/PKL.)

Demolishing R.C.C. Work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge.

Providing owering cutting jointing and testing RCC pipe class NP3 as per IS-458-2003 with spigot & socketed joints majufactured with IS marked sulphate resistance cement as per ISI 12830 with rubber rings ISI marked antiternmite rquired at site in to trenches for all depths and laying out the same to correct alignment gradients an levels including dressing and trimming and cutting of concrete beds and side of trenches, it required jointing with rubber rings in trenches and jointing with 1:3/2 cement sand mortar and with end dowels filed with 1:3/2 cement sand mortar and finishing the joints at an angle of degree with faces of spigot of socket joints cutting and finishing the cut surface to a uniform finish etc. as fully descrided in item No. 21.38, item 21.44, item 21.45 & item 21.46 including cartage losding and unloading complete in all respects the internal diametric of the sewer being; 1000 mm for diversion (HSR item No. 27.95.1)