Construction

Amount

Construction of Embankment with Material Obtained from Borrow Pits - Construction of embankment with approved material obtained from borrow pits with all lifts, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per MoRT&H Technical Specification clauses of section 300.

Construction of Subgrade and Earthen Shoulders - Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site , spreading, grading to required slope and compacted to meet requirement of Table 300.2 as per MoRT&H Technical Specification clauses of section 300.

Granular Sub-base with Well Graded Material ( Table 400.1 )- Mix in Method - Construction of granular sub-base by providing well graded material, with motor grader on prepared surface mixing by in place method with rotovator at OMC, compacting with vibratory roller to achive the desired density complete as per MoRT&H Technical Specification Clause 401. For Grading - III

Water Bound Macadam - Providing laying spreading compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand picking, rolling with three wheel 80-100 KN static roller / vibratory roller in stages to proper grade and cambeer applying and brooming, stone aggregates, watering and compacting to the required density as per MoRT&H Technical Specification Clause 401. For Grading - I (Type-A (13.22 mm Aggregate) (By Manual Means)

Prime coat - Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.6 kg/sqm using mechanical means as per MoRT&H Technical Specification Clause 502.

Tack coat -Providing and applying tack coat with bitumen emulsion (RS-1) using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous / granular surface cleaned with Hydraulic broom as per MoRT&H Technical Specification Clause 503.

Open Graded Premix Surfacing- Providing, laying and rolling of open -graded premix surfacing of 20mm 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 as per MoRT&H Technical Specification Clause 511. Case -I - With Bitumen (60/70 Grade) VG-30

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 B as per MoRT&H Technical Specification Clause 513. Type B

Excavation for Structures - Earthwork in excavation for structures as per drawing and MoRT&H technical specifications Clause 304 including setting out, construction of shoring & bracing, removal of stumps & other deleterious material and disposal upto a lead of 50 m, dressing of sides & bottom and backfilling in trenches with excavated suitable material.

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 as per drawings & MoRT&H technical specifications Clauses 2100. Under head wall (Base Concrete)

Plain / Reinforced cement concrete in open foundation as per drawings & MoRT&H technical specifications Clauses 1500, 1700, 2100. (including centering, shuttering, staging etc. but excluding reinforcement) :PCC Grade M 15

Plain / Reinforced cement concrete in open foundation as per drawings & MoRT&H technical specifications Clauses 1500, 1700, 2100. (including centering, shuttering, staging etc. but excluding reinforcement) :PCC Grade M 20

Providing and laying Reinforced Cement Concrete Pipe NP3 / prestressed concrete pipe on first class bedding in single Row -Providing and Laying reinforced cement concrete pipe NP3 / prestressed concrete pipe with collar for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets as per MoRT&H Technical specification Clause 2900.: 1200 mm dia

Flexible Apron- Construction of Flexible using dry lean Cement Concrete

Providing and placing gunny/polythene (of Minimum Wall Thickness of 500 micron) bags filled with sand (of minimum quantity of 0.034 cum) and properly manually stiched to avoid any leakege of sand as per specification

Single Bamboo Spur and palasiding of whole 2nd class bamboo (jati or Bethua) 65mm to 75mm dia @150 mm c/c and closely packed and driven including fitting fixing with half bamboo kams horizantlly in three rows with cane or typing wire complete and struts 1500 mm apart longitudinally and providing brush as per drawing and technical specification Clause 1302.5

SANJIB KUMAR PRASAD