Improvement of road from Kaliapani Bridge (Natun Gaon) to Baghjan (Ch. 0.00 m to Ch. 2800.00 m) (Length - 2.80 km) under PWRD, Tinsukia, Doomdooma and Sadia Territorial Road Division, Tinsukia. (LAC - DOOMDOOMA)

Amount

Clearing and grubbing road land including uprooting wild vegetation grass, bushes, shrubs, saplings and trees girth upto 300 mm removal of stumps of such trees cut earlier & disposal of unserviceable materials and stacking of serviceable material to be used, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per technical specification Clause 201. A) In area of non-thorny jungle

Scarifying existing bituminous surface to a depth of 50 mm by mechanical means (Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material with in all lifts and lead upto 1000 metres.)

Providing, laying, spreading and compacting stone aggregate of specific sizes to water bound macadam (WBM) specification including spreding in uniform thickness, hand packing,rolling with three wheel 80-100 kN static rollerin stages to proper grade and camber, applying and brooming, stone screenig / binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 1 as per technical specification Clause 405. A) By Manual Means, WBM Grading -II,

Providing, laying, spreading and compacting stone aggregate of specific sizes to water bound macadam (WBM) specification including spreding in uniform thickness, hand packing, rolling with three wheel 80-100 kN static rollerin stages to proper grade and camber, applying and brooming, stone screenig / binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 1 as per technical specification Clause 405. A) By manual means, WBM Grading-III

Providing and applying primer coat with bitumen emulsion on prepared surface of granular base including clearing of road surface and spraying primer at the rate of 0.70-1.0 kg./sq.m. using mechanical means. (i) Low porosity

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

Semi - Dense Bituminous Concrete (Providing and laying semi dense bituminous concrete with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.0 to 4.5 % by weight of total mix and filler transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the reqd. grade, lavel and alignment, rolling with smooth wheeled,vibratory and tandem rollers to achieve the desired compaction as per MoSRT&H cl. no.507. complete in all respect. (including carriage up to initial lead of 5.0 km from quarry and carriage of mixed materials upto 10.0 km initial lead from mixing plant) (including cost of testing of materials at site and laboratoratory as directed the deptt.) (A) With 60 / 70 or VG-30 grade bitumen (ii) for Grading II(19 mm nominal size)

Bituminous concrete (Providing and laying bituminous concrete with 100 -120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituinous binder @ 5.4 to 5.6 % of mix and filler transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoSRT&H cl. no. 509, complete in all respect. (Including carriage up to initial lead of 5.0 km from quarry and carriage of mixed materials upto 10.00 km initial lead from mixing plant) (Including cost of testing of materials at site and laboratory as directed by the deptt.) (A) With 60/70 or VG - 30 grade bitumen (ii) For Grading II (13 mm nominal size).

Road Furniture: Providing & fixing retro - reflectorised cautionary, mandatory and informatory sign as per IRC : 67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm X 75 mm X 6 mm firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete 450 mm X 450 mm X 600 mm, 600 mm below ground level as per drawing and technical specification Clause 801. i) 800 mm X 600 mm rectangular (Informatory Sign Board)

Sanjay Kumar Singh

M/S B.B. ENTERPRISE