REPAIRS TO ROADS, BERMS AND ROAD SIDE FURNITURE AT ZONE A AND C AREA UNDER GE CHENNAI

M&L for preparing existing black top surfaces of road by brushing with wire brush 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 as a priming / tack coat with bitumen primer of paving bitumen of grade VG-30 at the rate of 5 kg per 10 Sqm over bituminous surface complete all as specified and as directed by Engineer-in-Charge.

M&L for Bituminous premixed semi dense asphaltic concrete (SDAC) by using Hot mix plant ,40 mm consolidated thickness with 5.5% binder content in weight of total mix (Paving bitumen VG-30) and filler of cement content as per design mix (not less than 2%) spread by using mechanical paver, rolled and consolidated to required camber and gradient complete to a uniform surface by using Tandom Vibrator power roller 8 to 10 tonne capacity complete all as specified and directed by Engineer-in-Charge. Note: (a) Cement shall be used as filler at mininum 2% by weight of total mix in event of variation in design mix the percentage of filler content shall be on plus side adopted. (b) SDAC shall be as per MORTH specification (c) Laying shall be done by means of self-propelled mechanical paver, finishing with electronic sensor and hydraulic controls with suitable speed and capable of laying, spreading, tamping and finishing. (d) Mix shall be obtained from computerized hot mix plant and spreading shall be done by using mechanical paver only (e) The job mix shall be designed from the Government Engineering Colleges ,Wing of CME Pune and Highways Research Station / IIT Chennai only, job mix formula shall be approved by GE before incorporation.