Lift plan IG01-1: BG-01N Install new bull gear BG-01
DRAFT Prepared by R. Okafor, Apex Rigging lift planner 2026-09-30
Item weight
7,047 lb
Certified (scale or OEM certificate)
Source: lift_plan
Gross load calc
7,407 lb
item + 180 rigging + 180 hook block
Source: lift_plan, rigging_gear, lift_crane
Capacity at radius calc
20,000 lb
Gear case hoist (10t)
Source: lift_chart, lift_crane
% of chart calc
critical over 75%, not allowed over 90%
Source: lift_plan, lift_chart
Sling load per leg calc
4,069 lb
2 of 2 legs carrying at 60°
Source: lift_plan
Load and rigging
| Item | Qty | WLL lb | Weight lb |
|---|---|---|---|
| BG-01N Install new bull gear BG-01 | 1 | 7,047 | |
| BC-01 Beam trolley over the gear case, 10 t | 1 | 20,000 | 160 |
| LL-01 Gear lifting eye bolts, pair, 5 t | 1 | 10,000 | 6 |
| SH-30 Screw-pin shackle, 3.25 t | 2 | 6,500 | 6 |
| SL-30 Nylon web sling, 2 in, 6 ft, vertical | 2 | 6,400 | 8 |
| Hook block, Gear case hoist (10t) | 1 | 180 | |
| Gross load | 7,407 |
Crane, path and people
- Crane
- Gear case hoist (10t) (Chain hoist or come-along, rated 20,000 lb, inspected 2026-06-23)
- Set-up
- n/a
- Pick
- Gear cart on the platform · EL 112
- Set
- Dryer D-01 journal · EL 112
- Exclusion zone
- Gear case platform and basement under the gear train barricaded, no work below
- Wind limit
- n/a
- Lift director
- M. Alvarez, Apex Rigging lift director
- Operator
- Demo Mill crane operator
- Rigger
- K. Brandt, Northfield Millwright rigger
- Signal person
- S. Whitfield, Apex Rigging signal person
- Schedule
- IG01 Install bull gear BG-01 and idler gears IG-01, IG-02, 24-Jan-27 to 24-Jan-27
Checks
| PASS | Crane capacity | 7,407 lb gross is 37% of 20,000 lb. Limit 90%; over 75% is a critical lift. |
| PASS | Sling angle | 60° from horizontal; under 45° raises sling tension sharply and under 30° is not allowed. |
| PASS | BC-01 beam clamp or trolley | WLL 20,000 lb against 7,047 lb |
| PASS | LL-01 hook or lifting lug | WLL 10,000 lb against 7,047 lb |
| PASS | SH-30 shackle | WLL 6,500 lb against 4,069 lb per leg (2 legs carrying at 60°) |
| PASS | SL-30 sling | WLL 6,400 lb against 4,069 lb per leg (2 legs carrying at 60°) |
| PASS | People named | Lift director, operator, rigger and signal person named. |
| PASS | Exclusion zone | Gear case platform and basement under the gear train barricaded, no work below |
A cross-check for the lift team. The crane manufacturer's chart, the rigging ratings and the qualified lift director's sign-off govern the lift.