Construction of Blacktop road from Sannashi Ghat to house of Bikas Barman via Hanif Mia Chowpathi via Bipul Bausnia house to house of Nagen Sandhu Vill South Patchhara Booth No.4/108 under Patchhara G.P. within Cooch Behar-I P.S. SL3

Earth work in excavation from borrow pits ( land Owned / arranged by the Agency.) and depositing in layers of 250 mm including breaking clods in ordi- nary soils and to fill up back of abutments depres- sions and ruts with an initial lead upto 50 m and initial lift upto 1.50 m making bunds at top as dire- cted dressing complete.

Earth work in excavation from borrow pits ( land Owned / arranged by the Agency.) and depositing in layers of 250 mm including breaking clods in ordi- nary soils and to fill up back of abutments depres- sions and ruts with an initial lead upto 50 m and initial lift upto 1.50 m making bunds at top as dire- cted dressing complete. CARRIED EARTH

Dressing and chilchalling Road flanks including cutting and filling with earth up to 150 mm average thickness finished with outward cross-grade of 1 in 30

Construction of Sub Base using Local Materials: Construction of Sub Base using Local Materials, spreading in uniform layers with Motor grader on prepared surface, including screening the metal as . necessary, mixing by mix in place method with Rotavator at OMC, and compacting with vibratory roller to achieve the desired density, lighting, guarding and barricading including cost and carriage of all materials and making necessary earthen bundh of one metre wide on each side to protect the edges complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision

Water Bound Macadam Base Course 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 booming requisite type of screening / blinding materials to fill up the interstices of coarse aggregate, watering including lighting, guarding, barricading and making necessary earthen bundh of one metre width on each side and preparing the bed by necessary cutting or filling, including cost of all materials and hire and labour charges of all men and machinery and compacting to the required density, as per clause 404 of specifications for Road & Bridge Works of MORT&H (5th Revision) (i) Grading –I Aggregate ( 63 mm to 45 mm ) using Stone screening Type B (11.2 mm)

(ii ) Grading –II Aggregate ( 53 mm to 22.4 mm ) using Stone screening Type B (11.2 mm) .

Providing and applying bituminous primer coat with cationic bituminous emulsion of approved grade conforming to IS: 8887-1978 and requisite quantity on prepared surface of granular base including cleaning of road surface and spraying primer using Mechanical means including cost and carriage of bitumen emulsion and all other incidental costs of work complete as per clause 502 of specifications for Road & Bridge Works of MORT&H (5th Revision)

Providing and applying Tack coat with cationic bituminous emulsion of approved grade conforming to IS: 8887-1978 on prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of bitumen emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per clause 503 of specifications for Road & Bridge Works of MoRT&H (5th Revision)

Open-Graded Premix Surfacing using Bituminous ( Viscosity Grade Paving Bitumen / Modified Bitumen)Binder and Mobile Hot Mix Plant (Light Duty ) . Providing, laying and rolling of Open- graded premix surfacing of 20 mm thickness composed of 13.2 mm ( @ 0.018 m3 / m2 )and 11.2 mm (@0.009 m3 / m2 ) size stone aggregate including thoroughly cleaning of the surface, screening, cleaning and preheating stone chips and fully pre-coating the same either using viscosity grade paving bitumen or cut- back or emulsion, carrying the mixture by any suitable arrangements, laying the mixture uniformly over the surface, including line, grade and level to serve as wearing course on a previously prepared base, including mixing in Mobile Hot Mix Plant ( Light Duty ) and thoroughly rolling with smooth wheeler roller 8 – 10 tonne capacity, finished to required level and grades including the cost and carriage of stone chips and matrix, heating the matrix, pre-heating the aggregates to required temperature and including the hire charges of Mobile Hot Mix Plant ( Light Duty ) and other Machinery and cost of fuel and lubricants etc. complete to be followed by seal coat of either Type A or B as per Technical Specification Clause 508 for Rural Roads of MORD.

Providing and laying premixed seal coat (type B) with approved quality grit @ 0.6 m3 per 100 m2 and bitumen binder on thoroughly cleaned black top surface coated with tack coat , including heating and mixing cleaned grit ( 100 % passing through 2.36 mm sieve and retained on 180 micron sieve ) uniformly with bitumen binder, laying and spreading the mix at an uniform rate using suitable means , brushing the surface , if necessary, to ensure uniformly, followed by rolling with power roller including the cost and carriage of binder and aggregates , cost of heating the binder and aggregates and all other incidental charges , cost of fuel and lubricants , including hire charges tools & plants required for construction and quality control complete as per clause 503 of specifications for Road & Bridge Works of MoRT&H (5th Revision