Deck Cargo Operations Workbook
Contents
Dimensions, Volume & Density
Wire diameter and Safe Working Load
Safe Working Load of Sling Arrangements
Essential Stevedore Knots
1
3
6
15
15
Crane and Rigger Hand Signals
Dimensions, Volume & Density
(Lesson: Weights Knots & Size)
1. Which term defines the total weight of a box containing cargo? Cargo weight, Net
weight, Tare weight or Gross weight?
2. How many oil drums (diameter 625mm) can be loaded (upright) on a deck space of 85
square metres?
3. A rectangular stack of wooden fenders is 3 metres long, 1 metre high and 0.5 metres
wide. The unit weight of wooden fenders is 1120 kg per cubic metre. What is the total
weight of the stack in tonnes?
4. Use this table of densities provided to find the weight of the goods described below:
Wood
600 kg/m³
7300 kg/m³
2400 kg/m³
1025 kg/m³
Hydraulic oil
Lead
870 kg/m³
11343 kg/m³
950 kg/m³
7984 kg/m³
Cast iron
Concrete
Seawater
Oil dispersant
Stainless steel
Goods
Unit dimensions
Unit volume
Unit
weight
Quantity
weight
3 x drums of oil
dispersant
H = 1.8m, D =
1.0m
12 x wooden
L = 3.5m, H =
SSNT online LTD, 3 Crystal Court, New Yalta, Diego Martin Main Road, Diego Martin, Trinidad