- Filling & compacting in layers including leveling & grading to the required levels. - Removing from site surplus aggregate materials after completion. 4. Precast Concrete and granite Curbs 4.01 Curb edges are given separately, stating the dimensions or type. 4.02 Curb edges are given in linear meters. 4.03 Work is deemed to include: a. Excavation in any material whatsoever encountered. b. Backfilling and disposal of surplus excavated material. c. Concrete foundations and haunching including reinforcement and formwork. d. Bedding and jointing. e. Ends, angles and intersections including special units. f. Cutting. g. Curved work to any radius. 067300 COMPOSITE DECKING 1. Bases to decking. 1.01 Decking substructure is measured in square meters and included within the decking tiles item. 1.02 Any accessories,edges, anchors or fixation bolts are included within the decking item.