Gangasagar Bakkhali Development Authority Tender

b) For each additional Depth of 150mm and part thereof.

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work (iii) With carried earth arranged by the contractor within a radius exceeding 3 km. but not exceeding 5 km. including the cost of carried earth.

Sand filling in foundation trenches and at the back of abutments, wing-walls etc. with good local sand free from earth in layers not exceeding 15 cm. including inundating each layer by profuse water and poking and ramming layer by layer complete including supply of sand. Quality of sand is to be approved by the Engineer-in-charge.

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

spreading and consolidating 1st class brick bats/ Jhama metal/Laterite chelly or metal / shingles of specific size in hard crust to requisite thickness (measured after compaction) in layers including screening of bats/metals etc. as necessary, hand packing, sweeping, watering and rolling in stages with power roller to proper line, grade and camber, 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 or filling and rolling all complete including the cost of all materials and hire and labour charges of all man and machineries and as per specification and direction of Engineer-in-charge (a) Using Brick bats / Laterite Chelly of size 90mm – 45mm for compacted thickness 100mm

(b) Using Brick bats / Jhama metal / Laterite metal of size 63mm – 45mm for compacted thickness 75mm.

Repairing pot-holes and making up small depressions using Cationic Bitumen Emulsion conforming to IS 8887- 1978 with stone metals / chips premixed with emulsion in concrete mixer or any other method approved by the Engineer-in-Charge, including cutting the pot-hole area in regular shapes with vertical edges, thorough cleaning & moistening of surface, applying tack coat, filling up the potholes with pre-mixed metals/chips in layer/layers as per specification and direction of the Engineer-incharge, compacting by power roller, finishing the top of repaired surface levelled with adjoining area including cost and carriage of stone aggregates, blinding material & bitumen emulsion, hire & running charges of rollers and other tools & plants, cost of fuel & lubricants and other incidental charges excluding cost of applying tack coat. [Using stone chips of size 22.4 mm and 11.2 mm in 60: 40 proportion, premixing with bitumen emulsion @ 70.7 kg per m3 of loose net volume of stone chips.]

Clearing grass and removal of rubbish up to a distance of 30 m outside the periphery of the area as per Technical Specifications Clause 201 for Rural Roads of MORD. By Manual Means