FRANCIS E ANTOINE Civil/Structural Engineer 7B MERCLINE DR, ENTERPRISE, CHAGUANAS TEL/FAX: 6651396 Mobile 6202866 Email:francisantoine@gmail.com CLIENT: Ackram Khan/ Rudy James. PROJECT: The Construction of dwelling structure Riverine Road, Acono, Maracas, St Joseph. CONCRETE MIX DESIGN 25.0 N/MM² (3560PSI) Cube at 28 days Ratio Material Weight Per m³ Kg Per yd³ 1 Cement Ordinary Portland 387 9.1 bags 7 bags 1 1/2 Sand Sharp Sand (Dry) 582 0.388 10.5 ft³ 20mm 1149 0.776 21 ft³ 190 40gals 33 gal 3 Stone Water Per yd³ 0.26 yd3 yd3 0.388 0.776 yd3 0.19 Aggregates: National Quarries Company Limited Cement: Trinidad Cement Limited 1) 2) 3) 4) Mix designs are in conformance with ASTM standards. Slump tolerences +/- 25mm. Testing of samples by Specialist Chemicals Ltd. Variations from the present raw material quality/grading result in minor changes to the above proportions. …………………….. Francis Antoine Project Engineer