| Laboratory Test Sheet |
| FALLING HEAD PERMEABILITY TEST - BS 1377 Part 5 Draft/KH Head |
| Client : Site : |
| Client Ref : Lab. Ref : Job No : Date Received : |
| Supplier : Source : |
| Material Type : Specification : |
| Material Name : Stone Type : |
| WEIGHT OF MOULD (g) INITIAL MASS OF MOISTURE (g) |
| INITAL WET WEIGHT + MOULD (g) FINAL MASS OF MOISTURE (g) |
| FINAL WET WEIGHT + MOULD (g) DRY WEIGHT (g) |
| TIN NUMBER INITIAL MOISTURE CONTENT (%) |
| WEIGHT OF TIN (g) FINAL MOISTURE CONTENT (%) |
| FINAL WET WEIGHT + TIN (g) INITIAL BULK DENSITY (Mg/m3) |
| TIME & DATE IN OVEN FINAL BULK DENSITY (Mg/m3) |
| TIME & DATE OUT OF OVEN DRY DENSITY (Mg/m3) |
| 1 DRY WEIGHT + TIN (g) |
| TIME IN OVEN > 4 HOURS al W Loge Ho = Coefficient of Permeability |
| TIME OUT OF OVEN AT Hi |
| 2 DRY WEIGHT + TIN (g) |
| A DIFF.IN WT(1) AND WT(2) (g) |
| B INITIAL WET WT W 0.1% (g) |
| IS A < B (T) |
| Test 1 Test 2 Test 3 Test 4 |
| a Area of Standpipe (cm2) |
| l Length of Sample (m) |
| A Area of Sample (cm2) |
| Ho Initial Head (m) |
| Hi Final Head (m) |
| Date Started |
| Time Started |
| Date Finished |
| Time Finished |
| t Time of Test (seconds) |
| Coefficient of Permeability m/s m/s m/s m/s |
| Remarks: |
| Comments : |
| Tested By : Date : Checked By : Date : |
| Check Level (1/2/3) |
| Notes : * Delete as applicable |