Rolling a. Begin initial rolling when mixture will bear weight without excessive displacement;
Rolling. Any longitudinal joints shall be rolled first, after which rolling shall start longitudinally at the side and proceed towards the centre of the carpet. Each pass of the roller shall overlap the preceding one by at least one half width of the rear wheel. Alternate passes of the roller shall be of varying length. Immediately following initial compaction, the surface shall be checked with a straight edge to ensure that it meets the surface finish requirements. Minor variations shall be corrected by rolling, but major imperfections shall be compacted by adding or taking away mix while it is still workable.
Rolling. A. Begin rolling when mixture will bear weight of rolling without excessive displacement. Compact small, inaccessible areas with hand tampers or vibrating plate compactors.
Rolling. Start rolling operation on each shot as soon as aggregate is applied. Use sufficient rollers to cover the entire mat width in 1 pass, i.e., 0 xxxxxxxxx. Roll in a staggered pattern. Unless otherwise shown on the plans, make a minimum of: 5 passes or 316 3 passes when the asphalt material is an emulsion. If rollers are unable to keep up with the spreader box, stop application until rollers have caught up, or furnish additional rollers. Keep roller tires asphalt-free.
Rolling. After the laying of coarse aggregates these shall be compacted to full width by rolling with power roller 8 to 12 tones all as specified in clause 20.A. 21.4 of SSR Part-I.
Rolling. After the spreading of the mix the rolling shall be done by 8 to 10 ton power roller or other approved plant.
Rolling. The microsurfacing shall be rolled at the discretion of the Contractor.
Rolling. Immediately after the aggregate application, the aggregate shall be rolled with a minimum of one pneumatic roller. The entire surface shall receive a minimum of three passes. All rolling shall be completed within 200 meters of the aggregate spreader. The rollers shall operate at a speed that prevents aggregate pick-up, but at no time shall the rollers exceed 10 km/h.
Rolling. 1. Rollers shall conform with 449.02. Rollers may be steel wheel or a combination of pneumatic tire and steel tandem at the discretion of the contractor.
