| Laboratory Test Sheet |
| HOT SAND TEST - BITUMINOUS PAVEMENT MATERIALS |
| Client : |
| Site : |
| Client Ref : |
| Job No : |
| Date Received : |
| Lab. Ref : |
| Supplier : |
| Source : |
| Material Type : |
| Specification : |
| Material Name : |
| Binder Type/Grade : |
| Sand Preparation |
| Spread 150-300um sand 25mm deep on Time in |
| two trays. Place in oven at 125 to 130C Time out |
| for at least 2 hours. |
| Sieve Chippings for 30 Seconds |
| Use a 10mm sieve for 20mm Chips or a |
| 6.3mm sieve for 14mm Chips. |
| Moisture on Pre-Coated Chippings |
| If wet then place in Oven for at least Time in |
| 2 hours at 60C. Time out |
| Weight of Dried Sample W1(g) |
| Check Sand Temperatures |
| Check at several points in the tray. |
| If 125 to 130C has not been reached |
| leave for a further period. |
| Spread Chippings |
| Place Chippings in Hot Sand within |
| 2 to 3 minutes, to prevent heat loss. |
| Check Final Sand Temperature>100 |
| After placing Chippings in the Oven for a Time in |
| minimum of 10 minutes. Check final Sand Time out |
| Temperature>100C |
| Remove Chippings |
| Pour onto a 3.35mm Sieve and allow to cool C |
| for about 10 minutes |
| Place in Tin |
| Place in the 4.5 litre Tin with the 1.18 to 600 |
| grit and attach lid |
| Shake in Tin |
| Shake Tin longitudinally a total of 100 cycles |
| in about 50 seconds, with a displacement of |
| about 100mm |
| Wash Chippings |
| Pour Chippings and Sand onto a 3.35mm Sieve. |
| Disgard Sand, and wash Chips, place |
| on absorbent paper and dry with Hot air blower |
| Weight of Dried Treated Sample |
| Report to nearest 0.1g W2(g) |
| Sand Retention |
| Report to nearest 0.1g/kg (W1-W2)/W1 * 1000 g/kg |
| Weight of Rejected Sample |
| Chips with less than half Sand cover W3(g) |
| Proportion of Rejected Chips |
| Report to nearest 0.1% (W3 * 100)/W2 % |
| Comments : |
| Tested By : Date : Checked By : Date : |
| Check Level (1/2/3) |
| Notes : * Delete as applicable |