BRC/SDRF/2021-22/03

Amount

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, 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 Technical Specification Clause 301.5 ( Private land )

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 with lead upto 1000 m as per Technical Specification Clause 303.1. ( Private land )

Construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. For Gr. II .

WBM Grading 3 : Using stone screening type A 13.2mm for Gr 3 :- Providing laying spreading and compacting stone aggregate of specific size to water bound macadom specification including spreading in uniform thickness, hand packing rolling with smooth wheel roller 80- 100 kN in stages to proper grade and camber, applying and brooming, stone screening/ binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 3 as per Technical specification clouse 405 (a) By Manual means

Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base/WBM/WMM including cleaning of road surface and spraying primer at the rate of 0.70-1.0 kg/sqm using mechanical means as per Technical Specification Clause 502

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen 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 three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508. case II By Mechanical means ( S-90)

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510 By manual means, Case - III, Type C

Construction of plastic cell filled cement concrete pavement, thickness 100mm (as per design), over a prepared sub base, with 53 grade Ordinary Portland Cement(OPC) or any other type as per Clause 1501.2.4 M30 (Grade), coarse and fine aggregates conforming to IS : 2386, mixing in a concrete mixer of not less than 0.2 cum capacity and appropiate weigh batcher using approved mix design (As per IRC:44-2008), laid in the cells made of high density polythyne sheets of thickness 0.22mm to about 0.25mm,side 150mm and depth 100mm of approximate weight of 1250 kg for a road of 3.75m wide and 1.00km , putting iron spike of 200mm long at the end corners of the cells and using nylon threads passing through the cells 10 mm below the top of the cells, in approved fixed side formwork (steel channe, wedges, steel plates including levelling the formwork as per drawing),maitaining camber of about 3 to3.5%, spreading the concrete with sholvels, rakes, compacted using needle, scareed and plate vibrators and finished in continuous operation, curing of concrete slabs for 14- days, curing compound (where specified) and water finishing to lines and grade as per drawing and Technical Specification of Cell filled Concrete Pavement Published by NRRDA

Earth work in excavation for structures as per drawing and technical specifications Clause 305.1, 1) including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter and dispoal up to alead of 50 m,dressing of sides and bottom and back filling in trenches with excavated suitable material.1) Ordinary soil. A) Manual Means. i) Depth up to 3m Ordinary soil.

Providing concerte for plain / reinforced concrete in open foundations complete as per drawings & Technical Specification clause 802,803,1202 & 1203 ( PCC Grade M-10) (i) Nominal Mix

Brick Masonry Work in cement mortar 1:3 in foundation complete exculding pointing and plastering as per drawing and technical specification Clause 600,1202 & 1203.

Brick Masonry Work in cement mortar 1:3 in sub structure complete exculding pointing and plastering as per drawing and technical specification Clause 602,603,604,1202 & 1204.

Providing and laying reinforced cement concrete pipe NP3 in Single Row:Providing and laying reinforced cement concrete pipe NP3 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 masonary work in head wall and parapets clause1106 (B) 1000mm dia.

Plastering with Cement Mortar with prop 1:4,15mm thick on brick work in substructure as per technical specification including curing.

Providing and laying of dry rubble flooring complete as per drawings and technical specifications Clause 1303.3

Earth work in excavation for structures as per drawing and technical specifications Clause 305.1, 1) including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter and dispoal up to alead of 50 m,dressing of sides and bottom and back filling in trenches with excavated suitable material.1) Ordinary soil. A) Manual Means. i) Depth up to 3m Ordinary soil.

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803,1202,1204 (A) with crushed stone (1) PCC Grade M15 Nominal mix

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5. (i) RCC M25 (a) height upto 5.00 m

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar . (Other ISI approved TMT reinforcement bar (SAI/Biscon/Thermax or equivalent)

Backfilling behind abutment wall, wing wall and return wall complete as per drawings and technical specifications Clause No. 1204.3.8, granular material

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5. (i) RCC M25 (a) height upto 5.00 m for parapet wall

Nurjamal Hoque