Wind and dust
- Manufacturer limits: the operator's manual and load charts set wind limits, which vary by boom length, configuration and load. Federal rules require following manufacturer procedures (29 CFR 1926.1417(a)).
- OSHA also requires the competent person to adjust operations for wind's effect on stability and capacity (1926.1417(n)) and to decide whether to secure the crane when a local storm warning is issued (1926.1417(h)).
- Large, light loads catch the most wind: trusses, solar modules, roof panels, signs and HVAC units.
- Summer monsoon storms can bring sudden gusts and dust that cut visibility, so the crew watches the sky and the forecast, not just the morning reading.
Heat
- People first: crews follow heat illness prevention practices such as water, rest and shade. OSHA has heat guidance nationally, ADOSH enforces workplace safety in Arizona, and California requires a heat illness prevention program for outdoor work (Title 8 section 3395).
- Equipment: engines, hydraulics and tires run hotter, and steel loads and rigging get hot to the touch. Crews plan for gloves, breaks and equipment checks.
- Schedule: early starts are common from late spring through early fall so lifts finish before the hottest part of the day.
How to plan
- List a backup date, and ask how the operator handles weather delays and standby time.
- Check the National Weather Service Phoenix forecast, which covers Yuma County and nearby Imperial County.
- Have materials staged and crews ready so the lift fits a calm, cool window.
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