PROVN OF INTERNAL BLACK TOP ROAD UNDER GE 865 EWS AT LEH

Amount

M&L Surface excavation n.exc (not exceeding) 30cm deep and averaging 15cm deep and getting out in hard/ dense soil, complete all as specified and directed by Engr-in-Charge.

M&L for Removing excavated soil n exc 50m and depositing where deirected at a level n exc 1.50m above the starting point, complete all as specified and directed by Engr-in-Charge.

M&L for Rolling and consolidating formation surfaces in cutting rolling with power roller of 8 to 12 tonne, complete all as specified and directed by Engr-in-Charge.

M&L for Soiling (or sub base) 150mm thick with broken boulders or Quarry stone interstics filled surface farmed and rolled and consolidated to required gradiant and camber, complete all as specified and directed by Engr-in-Charge.

M&L 150mm thick WBM(compacted thickness) with course aggregates of grading 2(63 to 40mm size) spread,rolled and consolidated to gradiant materials and camber required in two layers, granite, complete all as specified and directed by Engr-in-Charge.

M&L Preparation of WBM surfaces by brushing with wire brush for removing cabed mud etc.sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc, complete all as specified and directed by Engr-in-Charge.

Applying evenly a priming/tack coat with bituminous primer at 10Kg/10Sqm over new WBM surfaces, complete all as specified and directed by Engr-in-Charge.

M&L for premix bituminous macadam of paving bitumen laid/rolled and compacted to required gradient and camber (consolidated thickness 75 mm or less) with 4% binder content by wt of total mix using paving bitumen laid with mechanical paver , rolled and consolidated to reqd camber, complete all as specified and directed by Engr-in-Charge.

M&L Preparaing old black top surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc and applying evenly a priming /tack coat with bituminous primer @ 5 Kgs/10 Sqm, complete all as specified and directed by Engr-in-Charge.

M&L for bituminous premixed asphaltic semi dense concrete 40 mm consolidated thickness with 5.5% binder content by wt of total mix using paving bitumen laid with mechanical paver , rolled and consolidated to reqd camber, complete all as specified and directed by Engr-in-Charge.

M&L for preparing bituminous surfaces of road and marking 2.5 mm thick centre lines, stop lines, dashes ,arrows etc and the like n. exc 10cm wide on roads pavements with hot applied thermo plastic road marking paint of approved colour confirming to BS 3262-1989 with special applicator machine all as per manufacturers instruction, complete all as specified and directed by Engr-in-Charge.

S&F Cats eye white/yellow colour of ABS plastic metal with two Nos of red reflectors including fixing with approved adhesive /fastener on road, complete all as specified and directed by Engr-in-Charge.

KONCHOK TSEWANG