Annual maintenance plan on Dhaulakuan to Mehat road (SH Providing, laying and rolling of open graded premix carpet of 20mm. Thickness including repair of pot holes and profile correction in km. 13/0 to 14/0) for the year 2019-20. (PMGSY).

Amount

Scarifying the existing bituminous road surface in all depths and disposal of scarified material with all lifts and leads as per Technical Specification Clause 301.4 including haulage of materials with in all leads, lifts and carriage of materials and as per the directions of the Engineer-in-Charge.

Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC (Optimum moisture contents) in mechanical mixer (Pug Mill), carriage of mixed material by tipper to site, laying in uniform layers in sub-base/base course on a well prepared sub-base and compacting with smooth wheel roller of 80 to 100 (Eighty to one hundred) kN weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per Tables 400.11 & 400.12 and Technical Specification Clause 406 by mechanical means including haulage of materials with in all leads, lifts and carriage of materials and as per the directions of the Engineer-in-Charge.

Providing and laying 50 mm (Fifty millimetres) compacted thick bituminous macadam with crushed aggregates of Grading -II (Two), 19 mm (Nineteen millimetres) nominal size using bitumen VG-30 (Thirty) grade, minimum 3.3% (Three point three percent) of weight of mix on thoroughly cleaned surface, free from pot holes and cracks by mechanical broom and dust removed by compressed air, mixed in batch mix/ computerised hot mix plant of 100-120 tonne (One huntred to one hundred twenty tonnes) per hour capacity calibrated from time to time, mixing to bituminous concrete as per approved job mix formula from approved laboratory, transporting the mix material in clean insulated vehicles covered while in transit or awaiting , tipping and laying with sensor paver finisher to the required level and grade , rolling with power road roller and vibratory road roller to achieve the desired density including profile correction including haulage of materials with in all leads, lifts and carriage of materials and as per the directions of the Engineer-in-Charge.

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 (Zero decimal seven zero to one kilogramme per square metre) using mechanical means as per Technical Specification Clause 502 including haulage of materials with in all leads, lifts and carriage of materials and as per the directions of the Engineer-in-Charge.

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 (Zero decimal two five to zero decimal three zero killogramme per square metre) on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503. including haulage of materials with in all leads, lifts and carriage of materials and as per the directions of the Engineer-in-Charge.

Providing, laying and rolling of open-graded premix carpet of 20 mm (twenty millimetres) thickness composed of 13.2 mm to 5.6 mm (Thirteen point two millimetres to five point six millimetres) aggregates either using penetration grade bitumen/VG-30 (thirty) grade bitumen or emulsion at the rate of 14.6 kg (Forteen decimal six killogramme) per ten square metre 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 (eighty to one hundred) kN static roller capacity, finished to required level and grades to be followed by seal coat of Type B as per Technical Specification Clause 508 (five hundred eight), by mechanical means using bitumen (S-90)(ninety)/ VG-10 (ten) grade bitumen including haulage of materials with in all leads, lifts and carriage of materials and as per the directions of the Engineer-in-Charge.

Providing and laying seal coat, sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type B as per Technical Specification Clause 510 (five hundred ten), by mechanical means using bitumen VG-30 (thirty) at the rate of 6.80 kg (Six decimal eight zero killogramme) per ten square metres including haulage of materials with in all leads, lifts and carriage of materials and as per the directions of the Engineer-in-Charge.

Stripping excess soil from the shoulder surface to achieve the approved level and compacting with plate compactor at OMC as per drawingt and Technical Specification Clause 1903 including all leads ,lifts and carriage of materials, as per the direction of Engineer-In charge.

Nikhil

M/S SARVJEET SINGH