Construction of Road - from Chamong Fatak Forest road to Himul Diary Upper Jowbari Village, Rangbhang, Block- SukhiaPokhari, Dist- Darjeeling

Scarifying Existing Granular Surface to a Depth of 50 mm by Manual Means -- Scarifying the existing granular road surface to a depth of 50 mm and disposal of scarified material within all lifts and leads upto 1000 metres

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom, backfilling the excavation earth to the extent required and utilising the remaining earth locally for road work (Reference to MoRT&H's specification clause 304).13 (i)A : Ordinary soil -Manual Means (Depth upto 3 m)

PLUM CONCRETE (1:3:6) -Plain cement concrete of nominal mix (1:3:6 ) with coarse aggregate of which stone boulder of size 225 mm to 150mm of 60% of total dry volume to be placed in position as directed by Eng-in charge ,67% - 40 mm down single &33% - 20 mm down bazri , Coarse Sand ,Cement ( 53 grade ) mechanically mixed in 1:3:6 of rest volume and placed in position and compacted by any means as directed including cost of shuttering .

Providing and laying of boulder apron laid in wire crates made with 4mm dia wire dia not less than 4mm GI wire conforming to IS: 280 & IS:4826 in 100mm x 100mm mesh Mesh size not more than 150mm (weaved diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 40 kg each ( Tensile strength 300-450mpa, size of wire crates 3.0mx1.50mx1.25 m) (Reference to MORT&H's specification 2503).

Providing weep holes in Brick masonry/Plain/ reinforced concrete abutment, wing wall/ return wall with 100 mm dia AC/PVC/HDPC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing oce. Complete as per drawing and Technical Specifications (Reference to MORT&H's specifications 2706 & 2200).

Back filling behind abutment, wing wall and return wall complete including spriklring water and throughly compacted with plate compactor/power rammer in layers not exceeding 150mm compacted thickness as per drawing and Technical Specification (710.1.4 of IRC:78 & MoRTH's specification 2200)

Construction of dry rubble flooring (shall be laid closely on the prepared base in one or more layers with appropriate bond) at cross drainage works for relatively less important works(Reference to MORT&H's specification 2506).

Plain/Reinforced cement concrete in sub structure all including vibrating and compacting, finishing, curing, sampling, testing etc. as per drawing and Technical Specifications (Reference to MORT&H's specifications 1500, 1700 & 2200).

Construction of " V" Type drain 60cm wide and 30cm deep including cost and carriage of all materials to work site and other necessary charges all complete. (Compact Rate: please refer Detailed Estimate sheet of the Drain)

Construction of " Box" Type drain 30cm wide and 30cm deep including cost and carriage of all materials to work site and other necessary charges all complete. (Compact Rate: please refer Detailed Estimate sheet of the Drain)