WORK SERVICES FOR RUNWAY REHABILITATION SCHEME RRS AT AF STN BAMRAULI UNDER GE AF BAMRAULI

Excavation over area not exceeding 1.5 metre deep and getting out in any type of soil, complete all as specified and directed.

All as per Item No. 1 above but exc 1.5m but n.exc 3m height, complete all as specified and directed.

Removing excavated soil to distance exc. 1.5Km but n exc 5Km and depositing where directed at a level n.exc 1.5 mtr above the starting point, complete all as specified and directed.

Forming embankment including raising (or lowering) earth, spreading in layers n exc. 30cm thick watering and ramming/rolling and finishing to required size, shapes etc n. exc. 1.5 mtr high from the base complete all as specified and directed.

All as per Item No. 4 above but exc 1.5m height above the first 1.5m height and n.exc 3m height, complete all as specified and directed.

M&L for granular sub-base (GSB) in layer (200mm thick in each layer) using crushed or broken stone aggregates, spread rolled with vibratory roller and consolidated to required gradient and camber as required, complete all as specified and directed.

M&L for Wet Mixed Macadam (WMM) in layers (150mm each in layer) using crushed or broken stone aggregates (grading as per MORTH specification), granite/trap/basalt, spread, rolled with vibratory roller and consolidated to required gradient and camber as required, complete all as specified and directed.

M&L for preparing unsurfaced WMM surface by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc and applying evenly a prime coat with bituminous primer @10 Kg /10 Sqm, complete all as specified and as directed.

M&L for preparing unsurfaced WMM surface by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc and applying evenly a prime coat with bituminous primer @ 5 Kg /10 Sqm, complete all as specified and as directed.

M&L for bituminous preemix dense asphaltic concrete -1 (DAC-1) 150mm (consolidated thickness) in three layer of 50 mm each with 6% binder content (paving bitumen VG-30) by weight of total mix rolled and compacted to required camber and gradient, complete all as specified and directed.