Construction of approach road to A Type Building

Amount

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, backfilling the excavation earth to the extent required and utilising the remaining earth locally for road work. Ordinary soil, Manual Means (Depth upto 3 m), Formation cutting

Construction of Subgrade and Earthen Shoulders: (Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement). Earthen Shoulders and preparation of sub grade

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. By Manual means, Grading - 2 (53 mm to 22.4 mm), 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 using mechanical means.) Low Porosity

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. Open-Graded Premix Surfacing using cationic Bitumen Emulsion

Tack coat: Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at required rate on the prepared bituminous/granular surface cleaned with mechanical broom. Normal Bituminous Surface

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. Using Bitumen 60/70 grade.

Carriage of materials including loading/unloading and stacking for sand,.. Average lead of 40 km

Carriage of materials including loading/unloading and stacking for aggregate below 53mm nominal size,.. Average lead of 80 km from Silchar

Carriage of materials including loading/unloading and stacking for aggregate 10 mm nominal size,.. Average lead of 80 km from Silchar

RAHIM UDDIN KHAN

RF CONSTRUCTION & CONSULTANCY

IRSHAD RASUL BARLASKAR

AHMED HUSSAIN BARBHUIYA