PROVN OF BLACK TOP ROADS AT CERTAIN UNITS UNDER GE N MAMUN AT MAMUN MIL STN

M&L for surface excavation n.exc 30cm deep and averaging 30cm deep getting out in soft/loose soil outside the MoD land complete all as specified & directed.

Removing excavated material (Soil) to a distance n.exc 50m and depositing where directed at a level not exc. 1.5m above the starting point, complete all as specified and directed.

M&L for rolling and consolidating formation surfaces in cutting with 8 to 12 tonne power roller etc complete all as specified and directed.

Material and Labour for 150 mm thick (spread thickness) soling (or sub base) with broken boulders or quarried stones of size range 100mm to 50mm, interstices filled, surfaces formed and rolled with power roller 8 to 12 tonne and consolidated to required gradient, complete all as specified.

Material and Labour for 200 mm thick (spread thickness) soling (or sub base) with broken boulders or quarried stones of size range 100mm to 50mm, interstices filled, surfaces formed and rolled with power roller 8 to 12 tonne and consolidated to required gradient, complete all as specified.

M&L for Laying and compacting 150 mm thick (compacted thickness) Wet Mix Macadam (WMM) laid in two layers 75mm each grading as per table 400-13 of MoRTH specifications for Road and Bridge works 2013 manufactured in WMM plant, material comprising of clean, crushed, graded aggregate and granular material premixed with water to a dense mass, spreading with sensor paver and rolling with vibratory roller of capacity 80-100 KN static weight and consolidating to required gradient and camber complete all as specified and directed. The finished surface tolerances to be as per Table 900-1 of MoRTH specifications for Road and Bridge works 2013.

Preparing Wet Mix Macadam surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the surface with gunny bags to remove all loose dirt and applying evenly a priming/tack coat with paving bituminous primer VG-10 @ 10 Kg per 10.00 Sqm of road surface complete all as specified and directed.

Material and Labour for providing premixed bituminous macadam of consolidated thickness (not exceeding 75mm) with paving bitumen any penetration rolled and compacted to required camber and gradient using binder (Bitumen VG-30) content 4% by weight of total mix, mixed in HOT MIX PLANT and laid by using self propelled mechanical paver, rolled and compacted to required camber and gradient using 8 to 12 tonne power roller/tandem vibrating roller to achieve uniform smooth surface etc complete all as specified and directed. Note: The specifications of bituminous macadam shall be as per Para 20.B.3 of SSR Pt-I

Material and Labour for applying evenly a priming/tack coat with paving bitumen VG 10 grade @ 5 Kg per 10Sqm of road surface and laying bituminous premixed semi dense asphaltic concrete 40mm thick (consolidated thickness) using binder (Bitumen VG-30 grade) contents @ 5.5 % by weight of total mix, mixed in Hot mix Plant and laid by using self propelled mechanical paver, rolled and compacted to required camber & gradient using 8 to 12 tonne power roller/tandem vibrating roller to achieve uniform smooth surface complete all as specified and directed. Note: (i) The combined grading of aggregate shall be as per Para 20.B.2.5.4(d) & 20.B.4 of SSR Part-I. (ii) Contractor shall quote his rates by considering binder content @5.5% of total mix by weight. However in case of any variation in weight of binder as per actual design mix, the same shall be paid by the contractor. (iii) Rate deemed to be included for making good of any undulation/damages in wearing surfaces where semi dense asphaltic concrete to be laid)

M&L forming embankments including raising (or lowering) earth, spreading in layers n.exc. 30cm thick; watering, ramming/rolling and consolidated to required gradient and camber with 8 to 10 tonne power roller etc and finishing to required size, shape, etc., n exc. 1.5 m high from base as in road side berm complete all as specified.