Balance Work estimate of Improvement of Road from Barangabari to Lotimari under SOPD for the year 2018-19 for Sankar Sangha Adhibeshan 2019- 80 Morigaon LAC

Amount

Road Works

Construction of subgrade and earthen shoulder with approved materials obtained from borrow pits with all lift & leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.2 with lead upto 1000m. As per technical specification clause 303.1 (Private land).

Scarifying Existing Granular Surface to a Depth of 50mm by Manual Means: Scarifying existing granular surface to a depth of 50mm and disposal of scarified material with a lift upto 3m and leads upto 1000m as per Technical specification Clause 301.4

Water Bound Macadam Gr. II & III- Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming, crushable screening to fill up the interstices roller in stages to proper grade and camber, applying and brooming, crushable screening to fill up the interstices of coarse aggregate, water and compacting to the required density Grading 3 as per Technical Specification Clause 405.- By Manual Means- by Manual Means: WBM Gr.III

Prime Coat- Low porosity- Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70-1.0 Kg/sqm using mechanical means as per Technical Specification Clause 502

Tack Coat- Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 to 0.25 Kg per sqm on the prepared 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 everage output of 75 tones per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.5 to 5% of mix and filler transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the reqd. grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoSRT & H cl. No. 508 complete in all respect. (including carriage upto 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 laboratory as directed by the depth). A. (b) With rockdustas filler (refer table 500.0 of MoSRT&H specification) (i) with 60/70 or VG-30 grade bitumen for Grading I (13mm nominal size)

PRANAB DAS