Upgradation of road by way of Bituminous Macadam and 2cm Premix Carpet at Tange Wali Gali, Kachi Chowani, Ward No. 01.

Amount

Cutting road and making good the same including supply of extra quantities of material i.e. crushed aggregate, moorum screening, red bajri and labour required Bituminous portion.

Providing and applying tack coat using hot straight run bitumen of grade –VG-10, including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as per specifications on bitumen surface @ 0.50 Kg/sqm.

Providing and laying Bituminous Macadam using crushed stone aggregates of specified grading premixed with bituminous binder, transported to site by tippers, laid over a previously prepared surface with paver finisher equipped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers as per specifications to achieve the desired compaction and density, complete as per specifications and directions of Engineer-in-Charge. 50 to 100 mm average compacted thickness with bitumen of grade VG-30 @ 3.5% (percentage by weight of total mix) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity.

2 cm premix carpet surfacing with 1.8cum and 0.90 cum of stone chippings of 13.2 mm size and 11.2 size respectively, per 100 sqm and 52kg and 56 kg of hot bitumen per cum of stone chippings of 13.2 mm and 11.2 mm size respectively including a tack coat with hot straight run bitumen, including consolidation with road roller of 6 to 9 tonne capacity etc. complete (tack coat to be paid for separately) with paving Asphalt grade VG-10 heated and then mixed with solvent at the rate of 70 grams per kg of asphalt.

Providing and laying seal coat of premixed fine aggregate (passing 2.36 mm and retained on 180 micron sieve) with bitumen using 128 kg of bitumen of grade VG-10 bitumen per cum of fine aggregate and 0.60 cum of fine aggregate per 100 sqm of road surface including rolling and finishing with road all complete.