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Safe Operation
Knowl edge of the in for ma tion in this man ual, and
proper train ing, pro vide a ba sis for safely op er at ing
the MHP15/44HD. Know the lo ca tion of all the con -
trols and how they op er ate to act quickly and re -
spon si bly in an emer gency.
Safety de vices re duce the like li hood of an ac ci -
dent. Never dis able, mod ify, or ig nore any safety
de vice. Safety alerts in this man ual in di cate sit u a -
tions where ac ci dents may oc cur.
If any mal func tion, haz ard or po ten tially un safe
con di tion re lat ing to ca pac ity, in tended use, or safe
op er a tion is sus pected, stop the op er a tion of the
MHP and seek as sis tance.
The operator bears ultimate responsibility for
following all manufacturers instructions and
warnings, regulations and safety rules of their
employer and/or any country or regional law.
Electrocution Hazards
The MHP15/44HD is an all metal boom ae rial work
plat form and is not elec tri cally in su lated.
Do not op er ate it near elec tri cal con duc tors.
Re gard all con duc tors as be ing en er gized.
Do not op er ate out side dur ing a thun der storm.
Minimum safe approach distance
Min i mum safe ap proach dis tances to energised
power lines and their as so ci ated parts must be ob -
served wile op er at ing the MHP.
Denotes prohibited zone
Caution: - Diagrams shown are only for purposes of illustrating
M.S.A.D. Work positions, not all work positions.
Figure 1 - Minimum Safe Approach Distance
ANSI A92.5
MHP15/44HD – 12885A
The MHP is not electrically insulated. Death
or serious injury can result from contact
with, or inadequate clearance from, an
energised conductor.
Do not go closer than the minimum safe
approach distance.
ANSI pub li ca tions de fine min i mum dis tances that
must be ob served when work ing near bus bars and
energised power lines. Fig ure 1 and Ta ble 1 are re -
printed cour tesy of the Scaf fold in dus try As so ci a -
tion, ANSI/SIA A92.5.
Voltage Range
(Phase to Phase
0 to 300V
Over 300V to 50kV
Over 50kV to 200kV
Over 200kV to 350kV
Over 350kV to 500kV
Over 500kV to 750kV
Table 1 - Minimum Safe Approach Distance
Aus tra lian Stan dard AS 2550.10 de fines min i mum
dis tances that must be ob served when work ing
near live ae rial conductors up to and in clud ing
133kV (see Fig ure 2).
CLEARANCES FROM LIVE AERIAL CONDUCTORS
6.4
3
No go zone
3
6.4
Personal
protection
barriers
FRONT VIEW
Distribution Lines Up to and Including 133kV
Figure 2 - Minimum Safe Approach Distance
AS 2550.10
Rev F
1. Safety
DANGER
Minimum Safe Approach
Distance
Feet
Metres
Avoid Contact
10
3.05
15
4.60
20
6.10
25
7.62
35
10.7
ANSI 92.5
(Dimensions are in metres)
Spotter
required
zone
Sag
Variations
in Sag
SIDE VIEW
page 1 - 1
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