1. ( PTY) LTD Company Reg No.: 1947/024677/07

2. Slump Test (PTY) LTD SLUMP TEST Page 2

3. Flow Table (PTY) LTD Measures the workability of the shotcrete Equipment:  Flow table  Flow cone  Tamping rod  Measuring tape SLUMP TEST Page 3

4. (PTY) LTD Flow Table Flow Cone Tamping Stick Measuring Tape SLUMP TEST Slump Test Page 4

5. Method (PTY) LTD 1. After batching is completed, a sample is taken. 2.Flow table to be laid down on a flat surface and cleaned with a damp cloth 3.Flow cone to be placed in center of flow table and held down firmly. 4.Fill cone halfway and tamp 10 times. 5. Fill the cone to the brim and tamp 10 times again SLUMP TEST Page 5

6. Method (PTY) LTD 6. Remove excess shotcrete. 7. Slowly lift the cone. 8. Measure top of concrete to top of cone SLUMP TEST Page 6

7. Step 1 (PTY) LTD Center Flow Cone on Flow Table and press down firmly SLUMP TEST Page 7

8. Step 2 (PTY) LTD Half Fill Flow Cone SLUMP TEST Page 8

9. Step 3 (PTY) LTD Tamp (10 Times) with tamping Stick SLUMP TEST Page 9

10. Step 4 (PTY) LTD Fill Flow Cone to the top SLUMP TEST Page 10

11. Step 5 (PTY) LTD Tamp 10 times with Tamping Stick SLUMP TEST Page 11

12. Step 6 (PTY) LTD Screed off and remove all spillage from Flow Table SLUMP TEST Page 12

13. Step 6 (Continue) (PTY) LTD Clean Flow Table Spillage SLUMP TEST Page 13

14. (PTY) LTD Step 7 Remove Flow Cone in one even lift Slow and even lift SLUMP TEST Page 14

15. (PTY) LTD Step 8 Measure SLUMP TEST Page 15

16. (PTY) LTD Slump or Flow test results  Passed to driver and batcher in order that they can maintain the correct workability  Are used in the quality control process in conjunction with cube results SLUMP TEST Page 16

17. (PTY) LTD Remember  Passed to driver and batcher in order that they can maintain the correct workability  Are used in the quality control process in conjunction with cube results SLUMP TEST Page 17