Road development works from i) Chawmanu to Arunda (L-2.89 km) n ii) Chawmanu to Sikaribari(L- 1.71 km) under Chawmanu Sub-Division PWD(RnB) during the year 2026-27

3.15 300 Scarifying Existing Bituminous Surface to a Depth of 150 mm by Mechanical Means Scarifying Existing bituminous Road Surface by mechanical means to a Depth of 150 mm and disposal of scarified material with all lifts and leads upto 1000 m as per MoRT&H Technical Specification clauses of section 300.

M-1.20 300 Taking out existing CC interlocking paver blocks Taking out existing CC interlocking paver blocks from footpath/central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.

4.2 405 2) WBM Grading 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/ binding materials to fill up the interstices of coarse aggregate, watering and compacting to the required density 'Grading 3' as per MoRD Technical Specification Clause 405.

M-1.21 300 Laying old cement concrete interlocking paver blocks Laying old cement concrete interlocking paver blocks of any design/shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge. (Old cc paver blocks shall be supplied by the department free of cost). I Ordinary Soil (i) Upto 3 m depth

5.2 503 Tack Coat iii)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 granular surface treated with primer & cleaned with Hydraulic broom as per MoRD Technical Specification Clause 503.

Tack coat ii)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 MoRD Technical Specification Clause 503.

5.12 508 25 mm thick Open-Graded Premix Carpet using Bituminous (viscocity grade/ modified bitumen) Binder Providing, laying and rolling of open-graded premix carpet of 25 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using viscocity grade bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 80 - 100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C or Type D as per MoRD Technical Specification Clause 508. Case - II: By Mechanical Means (I) Bitumen of VG-30

5.11 510 Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A or Type B or Type C or Type D as per MoRD Technical Specification Clause 510. A) By Manual Means Case - IV : Type D (premix with fine sand) (I) Bitumen of VG-30

M-1.24 1500 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.

11.1 300 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 alead of 50 m, dressing of sides & bottom and backfilling in trenches with excavated suitable material. I Ordinary Soil (i) Upto 3 m depth