Re-surfacing of Road inside plant area and various locations inside BARC premises,Trombay, Mumbai.

Bituminous Road

Earth work excavation by mechanical means (Hydraulic excavator) / manual means in all types of soil other than soft and hard rock, dressing the sides of foundation, ramming of bottom etc. including shoring and dewatering (if necessary) and refilling with selected excavated earth in layers of not more than 500 mm thick, each layer well rammed and consolidated including disposing the surplus earth within a distance of 200 m all as per specifications including clearing Jungle, uprooting of vegetation, grass, etc. complete and as directed by the Engineer-in-charge (a) From 0.00 to 1.50 m depth from Average Ground Level.

b) with earth available from excavations within a lead of 5 km. by mechanical Transport intside BARC .

Preparation and consolidation of sub-grade (Proof Rolling) with power roller of 8 to 10T capacity including excavating earth to an average thickness of 22.5 cms depth, dressing to camber and consolidating with road roller including making good the undulations etc. and rerolling the subgrade and disposal of surplus earth within a lead of 200 m.

Providing and laying, spreading and compacting granular sub-base (GSB) material 300 mm thick (150 mm thick in each layer) compacted layer of crushed sand, murrum, gravel crushed stone and combination there of as per specification including spreading on the prepared sub grade, maintaining the required slope and grade and cross fall (camber) etc. complete as directed by the Engineer-in-charge (Compacted thickness only will be measured and paid for.)

Providing, laying, spreading and compacting hand broken/ crushed stone aggregate, 250 mm thick Wet Mix Macadam including premixing of material with water in mixing plant for Wet Mix Macadam, carriage of mixed material by tipers to the site and laying material in uniform thickness and laying by mechanical paver including rolling with road roller 8.10 tonne capacity in stages to proper grade and camber spreading and brooming etc. complete as directed by the Engineer-in-Charge (Compacted thickness only will be measured and paid for.)

Providing and applying tack coat using hot straight run bitumen of grade 60/70 (VG 20) including heating the bitumen, spraying the bitumen mechanically / manually, cleaning and preparing the existing road surface as per specifications On WBM / WMM @ 0.75 kg / sqm.

Providing and applying tack coat using hot straight run bituumen of grade 60/70 (VG 20) including heating the bitumen, spraying the bitumen mechanically / manually, cleaning and preparing the existing road surface as per specifications On bituminous surface @ 0.50 kg / sqm.