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The Guide
to Health. Safety and Welfare at Pop Concerts and Similar
Events published by the Health and Safety Commission.
The Home Office and The Scottish Office refers on Page
51 (Stage Loadings 7.43)to British Standard 6399 Part
1. and the recommendation that the stage be designed
for a live load of 7.5kN / m2. |
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Tests witnessed
by Lloyd's Register have been carried out on a 1.22
x 2.44m stage deck (test 1) and a 1.22 x 1.22m stage
deck (test 2) at 400mm high (the longest stage leg without
knee brace supports), and 1200mm the longest stage leg
with knee brace supports). In witness of these tests
Certificate No. SOU52034811/A1 has been issued
by Lloyd's Register. |
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The following calculations show
the conversion of the applied vertical test loads into
kN/m2 : |
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| Test 1
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Stage Deck size
1.22 x 2.44m
Stage Deck area
(1.22 x 2.44m) =
| 2.9768m2
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| Total Applied vertical load
3035kg =
| (3035kg x 9. 81m/s2)
29773N
29.773kN
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| Applied vertical load per m2
=
| 29,773kN
2,9768m2
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| Applied vertical load =
| 10kN/m2 |
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| Test 2
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Stage Deck size
1.22 x 1.22m
Stage Deck area
(1.22 x 1.22m) =
| 1.4884m2
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| Total Applied vertical
load 1518kg =
| (1518kg x 9. 81m/s2)
14891N
14.891kN
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| Applied vertical load per
m2 =
| 14,891kN
1.4884m2
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| Applied vertical load =
| 10kN/m2 |
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Simultaneous to the vertical
load, a horizontal load of 10% of the vertical
load (304kg) was applied in both the long and
short planes, this equates to 2.98kN and simulates
a live load. |
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Simultaneous to the vertical
load, a horizontal load of 10% of the vertical
load (153kg) was applied in both planes, this
equates to 1.5kN and simulates a live load. |
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