Construction of Blacktop Road from Rajkhora Bridge to Natun Bazar under Petla G.P. within Dinhata-I P.S. in the dist. of Cooch Behar. SL13

Earthwork in excavation from borrow pits (land owned /arranged by the Agency) and depositing in layers of 250 mm. including breaking clods in embankment works and to fill up back of abutments, depressions and ruts with an initial lead up to 50 m and initial lift up to 1.5 m making bunds at top as directed dressing complete. (Borrow pit measurement) Borrow pit earth

Carriage up to 3.00km

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 onprepared surface, including screening the metal asnecessary, mixing by mix in place method withRotavator at OMC, and compacting with vibratoryroller to achieve the desired density, lighting,guarding and barricading including cost andcarriage of all materials and making necessaryearthen bundh of one metre wide on each side toprotect the edges complete as per Clause 401 ofSpecifications for Road & Bridge Works of MoRT&H(5th Revision) (iv) For Construction of Sub Base by compacting river bed materials.

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling withvibratory 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 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). Grading-I Aggregate (63 mm to 45 mm) Using Stone Screening Type B (11.2 mm)

Grading-II Aggregate (53 mm to 22.4 mm) Using Stone Screening Type B (11.2 mm)

Prime Coat Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 and requisite quantity on preparedsurface 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). for WBM/WMM Surface (with primer @ 0.70- 1.0kg)

Tack Coat Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of 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). On Granular surfaces treated with primer (Using Bitumen emulsion at the rate of 0.25 to 0.30 kg per sqm.)

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 per m²) and 11.2 mm (@ 0.009 m³ per m²)size stone aggregates, including thoroughly cleaning of the surface, screening, cleaning and pre-heating 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 aswearing course on a previously prepared base, including mixing in Mobile Hot Mix Plant (Light Duty) and thoroughly rolling with a smooth wheeled roller 8-10 tonne capacity, finished to required level and grades including the cost and carriage of stone chips and matrix, heating the matrix, preheating the aggregates to required temperature and including the hire charges of Mobile Hot Mix Plant (Light Duty) and other machinery, pay of operators, cost of fuel and lubricants etc. complete to be followed by seal coat of either Type A or Type B as per Technical Specification Clause 508 for Rural Roads of MORD.

Providing and laying Premixed Seal Coat (Type B) with approved quality sand/grit @ 0.6 m3/ 100 m2 and bitumen binder on thoroughly cleaned black top surface coated with tack coat, including heating and mixing cleaned sand/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 uniformity, 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 of machineries, tools & plants required for construction and quality control complete as per Clause 511 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). By Mechanical Means. With Hot Bitumen Binder (@ 6.80 kg / 10 sqm.)

Providing & fixing Concrete Sign Board as per IRC specification of size 900 x 750 x 37 mm. thick made with RCC 1:1½:3 with pakur variety stone chips reinforced with double layer IRC febric (75 x 75 mm. mesh) and fixed with necessary nuts & bolts on two RC precast posts 100 mm. x 150 mm. of height 2.65 m. of which top 750 mm. is of section 100 x 13 mm. and 1.90 metre above GL & 0.75 metre below GL including digging hole, repacking the same with cement concrete 1:3:6 with jhama khoa or with local stone chips etc. complete including painting two coats on both faces lettering sign marks etc. as per direction of the Engineer-in-Charge. (The rate is inclusive of cost of reinforcement, concrete, shuttering, nuts & bolts, washer etc. complete.)

Filling properly the empty sausage crates withboulders of any size & shape with hand packing afterpreparation of bed of placement, placing the cratein position, carriage of boulders from road stacks witha lead upto 150m etc. complete in all respectincluding stitching the rest of the crate with wire(passage for filling boulders) after filling up the cratewith boulders and launching the crate in position ifnecessary and as directed by the Engineer-incharge

Weaving wire mattress as directed with wire of 4mmdia. and making sausage crate of required shapeafter tying all intersections including joining longitudinal ends, closing ends of sausage, carriageof wire to site of work complete in all respect as perdirection of the Engineer-in-charge including cost ofsupply of G.I. wire. (With 100mm x 100mm mesh.)

Close Bamboo Walling made of 65mm to 75mm dia. bamboos (in single line) driven about half-length into the ground side by side, with stout stays at an interval of 1m. 3nos. of half split bamboo runner of same die fitted and fixed with nails etc. complete as per direction. (Measurement to be taken along the length of piling after finishing the works). With bamboos of length 2.50m upto 3.00m

Filling empty Cement bag with dry earth or sand, stitching the bag (cost of thread included) and carrying and placing them in position and all incidental charges complete but excluding cost of sand and gunny bags.

Supplying empty Cement bags in good condition.

Supply of fine sand (Grading zone III as per IS: 383-1970 stacked at site)

Providing and Laying Reinforced Cement Concrete Pipe NP3 as per design in Single Row Providing and laying reinforced cement concrete pipe NP3 with spigot socket for culverts on first class bedding of granular material in single row including fixing with cement mortar 1:2 but excluding excavation. protection works, backfilling, concrete and masonry do a works in head walls and parapets Clause 1106 for Rural Roads of MORD. 600mm dia

Cost of hume pipe- 600mm dia NP-3