Gorkhaland Territorial Administration Tender

Dry Rubble Masonry with hard dressed stone from approved quarries including all carriage of materials

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.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification.

Dry V-Type drain 60 cm wide and 30 cm deep with dressed stone laid in edge including cost and carriage of all materials to site. (b) with 230 mm to 300 mm thick dressed stone.

Dry stone box drain 46 cm to 60 cm wide and 30 cm deep with dressed stone from approved quarries including cost and carriage of all materials to site.

Construction of granular sub-base by providing graded material, mixing by mix in place method with Rotavator at OMC, spreading in uniform layers with Motor grader on prepared surface in proper grade and camber, compacting with vibratory roller to achieve the desired density, including lighting, guarding, barricading, including cost of all materials, machinery, tools and plants including cost of quality control complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (ii) Grading – II

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 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).

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 to be primed, through cleaning and sweeping, uprooting weeds grass etc. dampning the surface beforehand spraying the primer using sprayer mounted on distributer truck or with hand sprayer using machanical pump including cost adn carriage of bitumen emulsion and all other u=incidental coat of work.

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).

Providing and laying 20 mm thick open graded premixed carpet using 13.20 nn (@0.18/m2) and 11.20 mm (@0.09 m2) size stone aggregates, including thorough cleaning of the surface, applying tack coat, screening, cleaning and preheating stone chips and fully pre-coating the same with matrix @ 54 kg per m3 of aggregates, laying the premixed chips uniformly over the surface hand packing, thoroughly rolling by power roller, including the cost and carriage of stone chips and matrix, heating the matrix and all other cost and charges in this connection and quality control as per IRC specification complete excluding cost applying tack coat. by manual means

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). II By Manual Means With Hot Bitumen Binder (@ 6.80 kg / 10 sqm.)

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.

Add GST 18% on Rs. 837446.36 i.e. total amount over item no. 1 to 16

Add Labour Welfare Cess 1% of Rs 988186.70 i.e. total amount Item No. 1 to 17