Restoration of road bench damaged by landslide between Lilay Dara to Lepcha Gaon, Toongsong T.E, Darjeeling.

Restoration of road bench damaged by landslide between Lilay dara to Lepchagaon, Toongsong T.E, Darjeeling: Land slide clearance in soil-Clearance of landslide in soil and ordinary rock by Bull dozer….

Earth work in excavation of foundation of structuresas per drawing and technical specification, includingsetting out, removing, spreading or stacking of spoilswithin a lead of 150 m. as directed and includingtrimming the sides of the trenches, leveling, dressingand ramming the bottom, and backfilling withapproved material complete as per direction of theEngineer-in-Charge In all sorts of soil excluding marshy soil &rocks (soft or hard) by manual means.a) upto 3 m depth (iv) Without pumping out water and shoring

Plum Concrete work with 40 % Cement Concrete with 30 mm down graded stone metal and 60% stone boulder of size 150 mm and above, placed in position as directed excluding shuttering if any. (i) (1:3:6) proportion.

Hire and labour charges for Shuttering with or without staging upto 4.0 m height using approvedstout props with wooden planks/ply wood/steel sheetplate with required bracing for any kind of plain orreinforced concrete works in all sorts of minorstructure including culvert, box culvert, cross-drainetc. The rate is inclusive of fitting, fixing and strikingout after completion of work as per specification anddirection

Providing weep holes in Brick masonry / Plain /Reinforced concrete abutment, wing wall / return wallwith 100 mm dia AC pipe, extending through the fullwidth of the structure with slope of 1V:20H towardsdrawing face. Complete as per drawing and Technicalspecifications.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification. A) Granular material

Picking up and removing old bituminous layer or sand sealing coat from old black topped surface and cleaning the exposed surface by scraping and stacking the material as dirrected. (a) By manual means (i) From 25 mm to 50 mm thick.

Dry Rubble Flooring Construction of dry rubble flooring at cross drainage works for relatively less important works.

Providing and applying Primer coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 and requisite quantity on prepared surface of granular base including cleaning of road surface and spraying primer using Mechanical means including cost and carriage of bitumen emulsion and all other incidental costs of work complete as per Clause 502 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) For WBM / WMM Surface : (with primer @ 0.70-1.0 kg/sqm)

Open-Graded Premix Surfacing using Bituminous (Viscosity grade Paving Bitumen / Modified bitumen) Binder and Mobile Hot Mix Plant (Light Duty) Providing, laying and rolling of Open - graded premix surfacing of 20 mm thickness composed of 13.2 mm (@ 0.018 m³ per m²) and 11.2 mm (@ 0.009 m³ per m²)size stone aggregates, including thoroughly cleaning of the surface, screening, cleaning and pre-heatingstone chips and fully pre-coating the same eitherusing viscosity grade paving bitumen or cut-back or emulsion, carrying the mixture by any suitable arrangements, laying the mixture uniformly over the surface, including line, grade and level to serve as wearing course on a previously prepared base, including mixing in Mobile Hot Mix Plant (Light Duty) and thoroughly rolling with a smooth wheeled roller 8-10 tonne capacity, finished to required level and grades including the cost and carriage of stone chips and matrix, heating the matrix, preheating the aggregates to required temperature and including the hire charges of Mobile Hot Mix Plant (Light Duty) and other machinery, pay of operators, cost of fuel and lubricants etc. complete to be followed by seal coat of either Type A or Type B as per Technical Specification Clause 508 for Rural Roads of MORD.