Stone Mastic Asphalt

1.  Area to be repaired is demarcated and confirmed at site with the Engineer representative.
2. The milling work shall be done as mentioned in 2.3.A.  The milling is required to remove the existing asphalt layer (if required) or for key joint construction (refer 2.3.B.ii).
3. On completing of the milling works, the surface is then cleaned and prepared to the satisfaction of Engineer. Subsequently, neomed shall be applied as per specifications.
4. 50 mm thick of stone mastic asphalt is then laid and compacted.  The laying shall be with the use of sensor and string wire to regulate minor settlement or surface irregularities.
5. Compaction shall follow the rolling pattern established during the trial lay.
6.  The material transported shall ensure within 2 hours travelling time from site, to prevent drain-down effects.  The laid material is to be let to cure for minimum of 6 hours and during this duration the lane is to be closed from traffic.