Public Works Department Tender

Patch repairing/ Maintenance of bituminous surface road using Jhama brick aggregate & viscocity graded bitumen (VG-30) Repairing pot-holes and making up small depressions with ramming or power rolling after removal/ disposal of disintegrated materials within a lead of 50m, 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 jhama chips using bitumen of VG-30@54kg per m3 of loose volume of jhama brick chips, afterapplyingtackcoatofbitumenonsides andbottom 0.75kg/sqm and finishing the top of repaired surface levelled with adjoining area inproper grade andc amber including spreading of sand@0.006 cum/ sqm of preparedr oadsurface as per direction of the Engineer-in-Charge and all as per MoRD technical specification Clauses 1900, 502,503 and 504.

2) WBM Grading-III Providing, laying, spreadingand compacting jhama brick aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness,handpacking rolling with three wheel roller 80-100KN in stages to proper grade and camber,applying and brooming binding materials to fill up the interstices of coarse aggregate, watering and compacting to the required density Grading-3 as per MoRD Technical Specification Clause 405. By manual means

Tack coat ii) 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 on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per MoRD Technical Specification Clause 503.