Construction of Pitch Road from Gramsabha-Takteuwarampur to Katihari Pradhanmantri Road in development block- Badraon. (Length- 1.90 km)

Earth work in cutting /filling in ordinary Soil lift 1.50m lead upto 30 m including ramming and dressing including all as per S.I. 253

Construction of granular sub-base by providing well graded material, spreading in uniform layers with tractor mounted 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

W.B.M (Grade-2) Providing, laying, spreading and compacting stone aggregates of specific sizes 45-63mm to water bound macadam (G-2) specification including spreading in uniform thickness i.e. 1.21 times the specified compacted thickness, hand packing, rolling with three wheel 80-100 KN static roller in stages to proper grade and camber, applying and brooming type-B, stone screening material @0.20 Cum per 10 Sqm and Binding material @0.06 cum per 10 sqm to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading-2 as per Technical Specification Clause 405.(4.7.2) By manual means

W.B.M (Grade-3) Providing, laying, spreading and compacting stone aggregates of specific sizes 53mm to 22.4mm to water bound macadam (G-3) specification including spreading in uniform loose thickness hand packing, rolling with smooth wheel roller 80-100 KN in stages to proper grade and camber, applying and brooming, type-B 11.2mm stone screenings @0.18 Cum per 10 Sqm to fill-up the interstices of coarse aggregate, watering and compacting 7.50cm thickness to the required density Grading 3 as per Technical Specification Clause 405. 4.7.3) By manual means

7cm wide brick edging on both side of road with first class M-150 bricks laid on edge with mud mortar including labour and supply of brick finished to required tamplate and proper alingment and including dressing ramming the excavated earth as directed by E/I S.I. No. 765

Earth work in cutting /filling in ordinary Soil lift 1.50m lead upto 30 m including ramming and dressing and cartage 1 k.m S.I. 253+231 (A)

Providing and applying prime coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.85 kg/sqm using mechanical means as per Technical Specification Clause 502.(ii)

Providing and applying tack coat with emulsion RS-1using bitumen distributor at the rate of 0.35 kg per sqm on the prepared bituminous surface cleaned with hydraulic broom as per Technical Specification Clause 503.(ii)

Providing, laying and rolling of open graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 (13.2mm & 11.20mm in 2:1) mm aggregates @0.27cum per 10 sqm either using penetration grade bitumen VG-10 @1.46kg per sqm 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 Type C as per Technical Specification Clause 508.

Providing and laying seal coat sealing 6.7mm stone grit @0.009 cum per sqm the voids in a bituminous grade VG-10 @0.65kg per sqm surface laid to the specified levels, grade and cross fall using Type C as per Technical Specification Clause 510. CASE III