Construction of Road from Kothi Dara (Factory) to Karki Dhura (near Barnes Berg School) Tukver, Darjeeling under GTA

Earthwork in cutting to form road section in correct profile including removal of spoils not exceeding initial lead of 50m and initial lift of 1.5m

Earthwork in cutting to form road section in correct profile including removal of spoils not exceeding initial lead of 50m and initial lift of 1.5m

Excavation in Ordinary Rock using Hydraulic Excavator CK-90 and Tippers with disposal upto 1000 metres Excavation for roadway in ordinary rock with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, transporting to embankment site within all lifts and lead upto 1000 m, trimming bottom and side slopes in accordance with requirements of lines, grades and cross sections as per Clause 301 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (Mode of measurement: pre works and post works)

Earth in filling in foundation trenches and at the back of abutments with good earth (sandy soil) in layers not exceeding 15 cm. including watering and ramming layer by layer complete with earth obtained by fresh excavation from land arranged by Department beyond 150 m. but within 300 m. including all lifts. Earth to be approved by the Engineer-in-charge.

Dry Rubble Flooring Construction of dry rubble flooring at cross drainage works for relatively less important works.

Labour for Spreading and consolidating stone metals of specific sizes in hard curst to requisite thickness (measured after compaction) in layers including screening the aggregates as necessary, hand packing after spreading in uniform thickness, rolling with power roller in stages to proper grade and camber, spreading and sweeping requisite type and quantity of screening materials to fill up the inter stices of coarse aggregates, applying binding materials as directed, watering etc, and lighting, guarding, barricading and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting, filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries nd as per specification and direction of Engineer-in-charge but excluding cost of stone materials and screenings.

Providing and applying primer coat with Cationic Bitumen 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). Medium porosity surface @ 10.5kg/10 kg per sqm

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).(a) Tack coat over waer bound macadam surface @ 4kg / 10 m2 (I) By Manual means

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 tipper trucks or by any other suitable arrangements, laying the mixture uniformly over the surface with paver finisher, including manual operations as and when required for proper line, grade and level to serve as wearing course on a previously prepared base, including mixing in Hot Mix Plant 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 Hot Mix Plant and other machinery, pay of operators, cost of fuel and lubricants etc. complete as per Clause 510 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

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). I By Mechani

Spreading of sand over the bituminous surface @ 0.003 m3 per m2 of surface from the road side stacks and carriage of the same up to a distance of 150 m from stack complete including cost of sand.

Excavation for Structures Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils within a lead of 150 m. as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge .I. In all sorts of soil excluding marshy soil & rocks (soft or hard) by manual means.(iv) Without pumping out water and shoring

Excavation for Structures Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils within a lead of 150 m. as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge .III. In ordinary rock (not requirng blasting)(a) Depth upto 3 m(ii) Without pumping out water

Plum concrete work with cement concrete (1:3:6) with 30 mm down graded stone metal and 60 % and stone boulder of size 150 mm and above 40% placed in position as directed excluding shuttering if any, including cost and carriage of materials to work site and other necessary charges all complete.

Providing formwork and staging including Hire & Labour charges for the same as required for foundation concrete works of depth not exceeding 500mm and for concrete works in vertical faces of parapet curb, road curb, cable tray, cable tray cover, rail post so as to give good concrete finish including stripping off and removing after completion of work as per specification. For bridges of length upto 30.00 M.(b) For portion of Ht above 1 m and 3 m

Providing weep holes in Brick masonry / Plain / Reinforced concrete abutment, wing wall / return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V:20H towards drawing face. Complete as per drawing and Technical specifications.

Hand Packed rough dressed stone walls by masons with hard stonesfrom approved quaries including all carriage of materials to site.

Providing and laying of Filter media with granular materials/stone crushed aggregates/brick aggregates\ /river bed materials satisfying the requirements laid down in clause 2504.2.2 of MoRT&H Specifications to a thickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind abutment, wing wall and return wall to the full height compacted to a firm condition complete as per drawing and technical specification.

Dry Stone' V ' type drain 60 cm. wide and 30 cm. deep with 150 mm to 230 mm. thick dressed stone laid onf edge including cost and carriage of all materials to site.

Stone square box drain 30 cm. to 60 cm with dressed stone including cost cement concrete, plastering and NCP cost & carriage of all materials to worksite.

Construction of R.C.C. Pipe of Diameter 600 mm.

Construction of R.C.C. Culvert 1.50m span

Parapet Works including Plastering & Painting

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