1 - 27
E - ENVIRONMENT
t
IMPORTANT
t
It is forbidden to use the platform close to electricity cables. Maintain the specified safe distances.
RATED VOLTAGE
SAFETY DISTANCE (METRES)
50 < U < 1,000
2,30 M
1,000 < U < 30,000
2,50 M
30000 < U < 45000
2,60 M
45000 < U < 63000
2,80 M
63000 < U < 90000
3,00 M
90000 < U < 150000
3,40 M
150000 < U < 225000
4,00 M
225000 < U < 400000
5,30 M
400000 < U < 750000
7,90 M
t
IMPORTANT
t
It is strictly forbidden to use the platform when the wind speed exceeds 45 km/h.
-To visually recognise this wind speed, refer to the empirical wind evaluation scale below:
BEAUFORT scale (wind speed at a height of 10 m on a flat site)
Force
Type of wind
Speed
(knots)
Speed
(km/h)
Speed (m/s)
Effects on Land
Sea conditions
0
Calm
0 - 1
0 - 1
<0.3
Smoke rises vertically.
Sea is like a mirror.
1
Light air
1 - 3
1 - 5
0.3 - 1.5
Smoke indicates direction of wind.
Ripples with appearance of scale, no foam crests.
2
Light breeze
4 - 6
6 - 11
1.6 - 3.3
Wind felt on face, leaves rustle.
Short wavelets, but pronounced.
3
Gentle breeze
7 - 10
12 - 19
3.4 - 5.4
Leaves and small twigs in constant motion.
Very small waves, crests begin to break.
4
Moderate breeze
11 - 16
20 - 28
5.5 - 7.9
Wind raises dust and loose pieces of paper; small
branches are moved.
Small waves, becoming longer, numerous
whitecaps.
5
Fresh breeze
17 - 21
29 - 38
8 - 10.7
Small tees in leaf begin to sway.
Wavelets form on inland waters; moderate waves,
taking longer form.
6
Strong breeze
22 - 27
39 - 49
10.8 - 13.8
Large branches in motion, whistling heard in
overhead wires, umbrella use becomes difficult.
Larger waves forming, whitecaps everywhere,
some spray.
7
Near gale
28 - 33
50 - 61
13.9 - 17.1
Whole trees in motion, inconvenience felt when
walking against the wind.
Sea heaps up; white foam from breaking waves
begins to be blown in streaks along the direction
of the wind.
8
Gale
34 - 40
62 - 74
17.2 - 20.7
Wind breaks twigs off trees; impedes progress.
Moderately high waves of greater length; edges
of crests begin to break into spindrift.
9
Strong gale
41 - 47
75 - 88
20.8 - 24.4
Wind damages roofs (chimneys, slates, etc.).
High waves, crests of waves begin to topple,
streaks of foam; reduced visibility.
10
Storm
48 - 55
89 - 102
24.5 - 28.4
Seldom experienced inland; trees uprooted;
considerable structural damage occurs.
Very high waves; white streaks of foam; reduced
visibility.
11
Violent storm
56 - 63
103 - 117 28.5 - 32.6
Very rare, widespread damage.
Exceptionally high waves able to hide medium
sized ships from view, reduced visibility.
12
Hurricane
64 +
118 +
32.7 +
Devastating damage.
Sea completely white; air filled with foam and
spray, very reduced visibility.
F - MAINTENANCE
t
IMPORTANT
t
Your platform must be periodically inspected to ensure its continued compliance.
The inspection frequency is defined by the legislation applying in the country in which the platform is used.
In France, a general periodic inspection every 6 months (Decree of 1 March 2004).
647732
(31/10/2019)
MT
625
H
75K
ST5
S1
/ MT
625
H
75K
COMFORT
ST5
S1
Summary of Contents for MT 625 H 75K COMFORT ST5 S1
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Page 87: ...3 1 3 MAINTENANCE 647732 31 10 2019 MT 625 H 75K ST5 S1 MT 625 H 75K COMFORT ST5 S1...
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