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CRANEAGE - SLINGING: ESTIMATING WEIGHTS<br />
PAGE 4<br />
GOOD SLINGING PRACTICE<br />
BASIC RULES ... 1<br />
1.3 KNOW THE LOAD WEIGHT.<br />
A GUIDE TO WEIGHTS.<br />
STEEL BARS<br />
& RODS<br />
Dia.<br />
(mm)<br />
Approx. kg<br />
per metre<br />
WEIGHTS OF<br />
COMMON MATERIALS<br />
Material:<br />
Approx. kg. per<br />
cubic metre<br />
5<br />
0.15<br />
Aluminium<br />
2,645<br />
6<br />
0.22<br />
Asphalt<br />
1,410<br />
8<br />
0.40<br />
Blocks - conc.<br />
1,134<br />
10<br />
0.62<br />
Brick - common<br />
2,005<br />
12<br />
0.90<br />
Cement - loose<br />
1,506<br />
13<br />
1.05<br />
Concrete - plug<br />
2,305<br />
14<br />
1.20<br />
Concrete - reinf.<br />
2,405<br />
16<br />
1.60<br />
Copper<br />
8,950<br />
17<br />
1.80<br />
Earth - dry<br />
1,280<br />
18<br />
2.25<br />
Earth - wet<br />
1,600<br />
20<br />
2.45<br />
Glass sheet<br />
2,565<br />
22<br />
3.00<br />
Granite<br />
2,725<br />
24<br />
3.55<br />
Gravel - dry<br />
1,760<br />
25<br />
3.85<br />
Gravel - wet<br />
1,920<br />
28<br />
4.80<br />
Marble<br />
2,720<br />
30<br />
5.55<br />
Oils<br />
930<br />
32<br />
6.30<br />
Timber - dry<br />
810<br />
35<br />
7.55<br />
Timber - wet<br />
960<br />
40<br />
9.85<br />
Sand - dry<br />
1,730<br />
50<br />
12.50<br />
Sand - wet<br />
1,890<br />
100<br />
61.65<br />
Steel<br />
7,800<br />
150<br />
138.75<br />
Water<br />
1,000
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