Repair of Internal road Central Jail at Ambala City in Ambala District

Amount

Providing and applying tack coat with penetration grade bitumen VG - 10 using bitumen pressure distributor @ 0.30 kg per sqm on the prepared bituminous / granular surface cleaned with mechanical broom as per technical clause 503 of MORT&H specifications. (HSR 17.26.2)

Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of crushed stone aggregates of specified grading premixed in a continuous type of hot mix plant of appropriate capacity not less not less than 75 tonne per hour, with bituminous binder VG - 10 @ 1.46 kg per sqm, laid with Paver Finisher Mechanical and rolling with a smooth wheeled roller 8-10 tonne capacity, finished to required level and grades complete as per technical clause 510 of MORT&H specifications. (Based on HSR 17.33.1) Note: - Before carrying out bituminous work, coating & stripping of bitumen aggregate mix is to be performed in accordance with IS – 6241. If coating and stripping of bitumen aggregates mix is less than 95%, anti-stripping agent will be used by contractor. The anti-stripping agent should confirm the requirement as stipulated in IS 14982:2017. The cost so incurred will be considered as incidental to work and noting extra shall be payable. The type and brand of anti-stripping agent along with procedure shall be approved by SE-in-charge in writing before start of work. A proper record of results be maintained and same shall be submitted along with bills by the contractor. Note :- Before laying PC on existing black top all cracks shall be sealed as MoRT&H specification (5th edition) clause No.3004.3, which may consists of (i) Fog seal / or (ii) crack filling and or (iii) patch work repair as required at site in accordance with clause No.3004.3.2 and 3004.3.3 of MoRT&H specification (5th edition) 2013 respectively. Proper measurement and consumption shall be entered in MB for fog seal / or crack filling / or patch work but no payment on this account shall be made as fog seal / or crack filling / or patch work is / are incidental to work.

Providing and laying of premix sand seal coat premixed in continuous type HMP of appropriate capacity not less than 75 tonnes/ hours using specified fine aggregates and penetration grade bitumen @ 0.68 kg/sqm laid to specified levels, grade and cross fall complete as per technical clause 511 of MORT&H specifications. (Based on HSR 17.36.3)