| Drill Rod |
Depth |
Time |
Remarks |
| 1 |
(1.5m) |
10 min |
No spring tension required |
| 2 |
(3m) |
15 min |
No spring tension required |
| 3 |
(4.5m) |
10 min |
Slight spring tension used |
| 4 |
(6m) |
15 min |
Slight spring tension used |
| 5 |
(7.5m) |
20 min |
Slight spring tension used |
| 6 |
(9m) |
10 min |
Slight spring tension used |
| 7 |
(10.5m) |
15 min |
Slight spring tension used |
| 8 |
(12m) |
20 min |
Slight spring tension used |
| 9 |
(13.5m) |
15 min |
Half spring tension used |
| 10 |
(15m) |
15 min |
Half spring tension used |
| 11 |
(16.5m) |
20 min |
Half spring tension used |
| 12 |
(18m) |
25 min |
Full spring tension used |
| 13 |
(19.5m) |
20 min |
Full spring tension used |
| 14 |
(21m) |
20 min |
Half spring tension used |
| 15 |
(22.5m) |
25 min |
Slight spring tension used |
| 16 |
(24m) |
20 min |
Slight spring tension used |
| 17 |
(25.5m) |
15 min |
Slight spring tension used |
| 18 |
(27m) |
15 min |
Slight spring tension used |
| 19 |
(28.5m) |
20 min |
Slight spring tension used |
| 20 |
(30m) |
20 min |
Slight spring tension used |
