Maintenance of various roads under Chandipur RD Block SH Patch metaling, patch carpeting, Seal coat, Brick bats, slip clearance, Jungle cutting, etc

Supplying of 1st class brick bats in/c loading, unloading and stacking properly in measurable stacks at site of work, laying the same in potholes and depressions of road surface & rolling, etc. complete as per direction of the Engineer-in Charge.

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 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

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 pot holes to regular shapes with vertical edges and levelling the bottom, cleaning the same with compressed air or any other appropriate method including screening, cleaning of aggregates; and filling up with stone aggregates using bitumen of VG-30 @ 54 kg per m³ of loose volume of with stone aggregates, after applying tack coat of bitumen on sides and bottom @ 0.75 kg/sqm and finishing the top of repaired surface levelled with adjoining area in proper grade and camber including spreading of sand @ 0.006 cum/sqm of prepared road surface as per direction of the Engineer-in-Charge and all as per MoRD technical specification Clauses 1900, 502, 503 and 504.

Providing and applying tack coat using hot straight run bitumen of grade VG-30, including heating the bitumen, spraying the bitumen, cleaning and preparing the existing road surface as per specifications: On W.B.M. @ 0.75 kg/ sqm.

Tack coat using hot straight run bitumen of grade VG-30 on bituminous surface Providing and applying tack coat using hot straight run bitumen of grade VG-30, including heating the bitumen, spraying the bitumen, cleaning and preparing the existing road surface as per specifications: On bituminous surface @ 0.50 Kg/ Sqm.

Clearing Grass and Removal of Rubbish Clearing grass and removal of rubbish upto a distance of 30m outside the periphery of the area as per MoRD Technical Specification Clause 201. By Manual Means

Land Slide Clearance in soil Clearance of land slides in soil and ordinary rock by a bull dozer D 80 A-12, 180 HP and disposal of the same on the valley side as per MoRT&H technical specification Clause 3000.

20 mm thick Open-Graded Premix Carpet using Bituminous (Viscosity grade/ modified bitumen) Binder Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using Viscosity 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 - I : By Manual Means Bitumen of VG-30

Seal Coat 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

Maintenance of Earthen shoulder (Stripping of excess soil) 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.