Bhaluka Road Railway Station to Tulsihata Road from Ch. 0.29 kmp to 0.440 kmp and from Ch. 8.00 Kmp to 11.50 Km and from Ch. 11.50 Kmp to 13.60 Km (In Stretches) Bituminous Potholes Repairing work under Malda Highway Division in the district of Malda

Dismantling of flexiblepavements and disposal of dismantled materials upto a lead of 1000 metres, stacking serviceable and unserviceable materials separately (Reference to MoRT&H's specification clause 202). For depth upto 100mm

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel/ vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density (Reference to MoRT&H's specification 404). Grading 2 Using Screening (Table 400-10) Type-B (11.2 mm aggregate)

Providing and applying primer coat with cationic bitumen emulsion SS1 grade conforming to IS:8887 on prepared porous granular surface including clearing of road surface and spraying primer using mechanical means (Reference to MORT&H's specification clause 502). On WMM/WBM surface @ 0.70-1.0kg/sqm.

TackCoat:]- Providing and applying tack coat with Cationic bitumen emulsion(RS1 ) complying with IS:8887 using emulsion pressure distributoron the prepared bituminous/granular/cement concrete pavement surface cleaned with mechanical broom and high pressure airjet (ReferencetoMORT&H'sspecification clause 503). ii)On Granular surface treated with primer @ 0.25kg-0.30 /sqm.

Providing and applying tack coat with Cationic bitumen emulsion(RS1 ) complying with IS:8887 using emulsion pressure distributoron the prepared bituminous/granular/cement concrete pavement surface cleaned with mechanical broom and high pressure airjet (Reference to MORT&H's specification clause 503). i)On bituminous surface @ 0.20kg-0.3kg /sqm.

Open-Graded Premix Surfacing using Bituminous Providing, laying and rolling of Open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6mm aggregates either using viscosity grade bitumen of approved grade 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 smooth wheeled tandem or other approved type roller 8-10 tonne capacity,finished to required level and grades(Ref to MORT&H's specification clause 510) Case-1: Mechanical method using approved grade Bitumen and HMP of appropriate capacity not less than 75 tonnes/hour

Providing and laying Seal Coat sealing the voids in a bituminous surface laid the the specified levels,grade and cross fall using Type B seal coats(Ref to MORTH's specification clause 511) Case-II: Type B-Providing and laying of premix sand seal coat with HMP using approved crushed stone chipping and viscosity grade paving bitumen of suitable approved grade

Fog Seal This work shall conform to the requirements of cl. 513 of these specifications and shall consist of an application of Emulsified bitumen, without any aggregate cover for sealing fine hair-cracks or for rejuvenating oxidised bituminous surfaces.Areas having cracks with less than 3mm width shall be considered for this treatment, unless otherwise instructed by the Engieer-in-Charge (Reference toMORT&H's specification 3004.3.2).

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