Development of roads from i Tilabazar to Irani 3.00 km Group-I

Name of road: Development of roads from (i) Tilabazar to Irani (3.00 km) (Group-1) Stripping excess soil from the shoulder surface to achieve the approved level and compacting with plate compactor at OMC as per drawing and MoRD technical specification Clause 1903

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per MoRD Technical Specification Clause 301.5. Construction of Embankment with Material Obtained from Borrow Pits

WBM 3 Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill up the interstices of coarse aggregate, watering and compacting to the required density 'Grading 3' as per MoRD Technical Specification Clause 405.. (A) By Manual Means

Bituminous Concrete B. Providing and laying bituminous concrete with higher capacity batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder @ 5.40 Percent 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 MORTH specification clause No. 507 complete in all respects. B. Grading II i. With Viscosity Graded Bitumen of VG-30.

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 MoRD Technical Specification Clause 503

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- 1.00 kg/sqm using mechanical means as per MoRD Technical Specification Clause 502

Repairing pot-holes and making up small depressions with ramming or power rolling after removal/ disposal of disintegrated materials within a lead of 50 m, cutting potholes to regular shapes with vertical edges and levelling the bottom, cleaning the same with compressor and or any other appropriate method including screening, cleaning of aggregates; and filling up with Stone chips using bitumen of VG-30 @ 54 kg per m³ of loose volume of Stone chips,after applying tack coat of bitumen on sides and bottom @ 0.75 kg/sqm and finishing the top of repaired surface surface levelled with ad levelled with adjoining joining area in area in proper grade and camber including spreading of sand @ 0.006 cum/ sqm of prepared road surface as per direction of the Engineer-inCharge and all as per MORD technical specification Clauses 1900, 502, 503 and 504.

80 mm thick factory made c.c. interlocking paver block of M-35 Grade Providing and laying factory made chamfered edge Cement Concrete paver blocks of required strength, thickness & size/ shape, made by table vibratory method to attain superior smooth finish using PU or equivalent moulds, laid in required grey colour & pattern over 50 mm thick compacted bed of sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with fine sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand in footpath, parks, lawns, drive ways or light traffic parking etc. all complete as per specifications & approval/ direction of the Engineer -in-Charge: (a) 80 mm thick c.c. paver block of M-35 grade with approved colour, design and pattern.

Excavation for Structures ( A ) Without dewatering. Earthwork in excavation for structures as per drawing and MoRD technical specifications Clause 305.1 including setting out, construction of shoring & bracing, removal of stumps & other deleterious material and disposal upto a lead of 50 m, dressing of sides & bottom and backfilling in trenches with excavated suitable material. I Ordinary Soil ( i ) Upto 3 m depth

Backfilling behind abutment, wing wall & return wall complete as per drawings & MoRD technical specification Clause 1204.3.8. ( I ) Sandy material