supply and delivery of construction materials 1 2.40 cu.m. Gravel (Classified) 3/4 2 8.95 cu.m. Washed Sand 3 67.00 bags Portland Cement 4 9.00 pcs. 10mm X 6.0 m Def. RSB (Grade 40) 5 37.00 pcs. 10mm X 9.0 m Def. RSB (Grade 40) 6 13.00 pcs. 12mm X