Construction of 180ft span, 40R loading class TDR Bailey Bridge over road collapse at km 352.50 on NH-54 in the State of Mizoram

Amount

Supply, transportation and erection of Bailey bridge of 180 ft. span, TDR Extra carriage way width of 4.25m, 40R loading class, galvanized complete at km 352.50 on NH-54.

Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material.) I. Ordinary soil ; A) Manual means ; (i) upto 3m depth.

Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material.) II. Ordinaryrock (not requiring blasting) ; A) Manual means ; (i) Depth upto 3m.

PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

Stone masonry work in cement mortar for substructure complete as per drawing and Technical Specifications. B. Coursed rubble masonry (first sort ) in cement mortar 1:3

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications. A. PCC Grade M15 ; (p) Height upto 5m

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications. B. PCC Grade M20 ; (p) Height upto 5m

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications. D. PCC Grade M30 ; (p) Height upto 5m ; Case-I : Using concrete Mixer

Supplying, fitting and placing HYSD bar reinforcement in sub-structure complete as per drawing and technical specifications

Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specifications

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification. A. Granular material

Embankment Construction with Material Obtained from Borrow Pits (Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2) (Within a lead of 5Km.)

Water Bound Macadam (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density.) B. By Mechanical means (i) Grading-1 (63mm to 45mm) (b) Using Screening Type-B (11.2mm Agg.)

Water Bound Macadam (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density.) B. By Mechanical means (ii) Grading-2 (53mm to 22.4mm) (b) Using Screening Type-B (11.2mm Agg.)

Prime Coat (Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate shown in 500-1 using mechanical means). (ii) Medium Porosity

Tack coat (Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom) iii) Granular Surface Treated with Primer

Open - Graded Premix Surfacing (Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or cut-back or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a smooth wheeled roller 8-10 tonne capacity, finished to required level and grades.) (i) Case-I: Mechanical method using Penetration grade Bitumen and HMP of appropriate capacity not less than 75 tonnes/hour.

Seal Coat (Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A and B seal coats). A. Using Bitumen 60/70 grade. (ii) Case - II : Type B (Providing and laying of premix sand seal coat with HMP of appropriate capacity not less than 75 tonnes/ hours using crushed stone chipping 6.7 mm size and penetration bitumen of suitable grade.)

Bidder Name

SASHREEK CONTRUCTORS PVT LTD