RUSTGO 139 Instruction And Safety Manual page 6

The following guidelines are not all inclusive; rather they are examples of job site conditions to be aware of.
A survey of all obstructions, impediments or encumbrances that would pose a danger during the entrance onto the job site,
during the course of working on the job site and during the exiting of the job site should be taken prior to arrival of the equipment at the
job site.
This shall include, but is not limited to, aerial, ground and any buildings surveys. It shall include such potential hazards as:
Uneven ground, untamed earth fills, ditches/trenches, holes or depressions in the ground.
Electrical power, distribution lines. Guy wires
Protrusions from out of the ground or overheard from buildings or poles.
Debris, unguarded openings, hazardous conditions created by other trades or unauthorized people on the job site.
Weather conditions and forecasts and other possible unsafe conditions.
All potential hazards should be corrected or flagged and barricaded.
i The common types of accidents scaffolding and mobile work platforms are most likely to be involved in are tip over,
collapse, and electrocution.
i Tip over would most likely be caused by one or a combination of the following: wind, uneven ground conditions,
overloading and/or failure to keep uprights vertically plumb or failure to properly erect equipment.
i Collapse would most likely be caused by overloading or failure to properly erect equipment.
i Electrocution would most likely be caused by failure to lower platform(s) and/or remove the upright extensions to maintain
safe clearances of electrical power distribution lines. KNOW THE HEIGHT AND VOLTAGE OF ALL POWER LINES ON AND
ADJACENT TO THE JOBSITE. KNOW THE HEIGHT OF ALL EQUIPMENT AND MATERIALS BEING USED AT THE JOBSITE.
i THE MAXIMUM HEIGHT OF A STANDARD MODEL 139 WITH THE MAIN PLATFORM FULLY EXTENDED IS APPROXIMATELY
23ft. 2in. (+ or – 2")
i THE MAXIMUM HEIGHT OF A STANDARD MODEL 195 WITH THE MAIN PLATFORM FULLY EXTENEND IS APPROXIMATELY
29ft. 3in. (+ or – 2")
PRE-ERECTION JOB SITE INSPECTION & PREPARATION
Approx. 7.06 meters
Approx. 8.9 meters
MANUAL 2010 March
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