Technical limit and evidence scope
Useful for: Technical buyers and project teams integrating an aerial platform, chassis and support system
The chassis carries the equipment on the road, while the support system manages work reactions at the site. Passing one condition does not prove the other.
OSHA requires outriggers, when used, to be on pads or a solid surface and load limits to be respected. The project must still follow its own manufacturer and destination requirements.
Technical inputs
Collect these ratings, dimensions and operating conditions before interpreting a limit or test record:
- 01Selected boom and platform system mass
- 02Chassis wheelbase, gross and axle ratings
- 03Subframe and installation requirements
- 04Outrigger geometry and reactions
- 05Ground condition, slope and pad method
- 06Traffic lane, obstacle and exclusion-space limits
Technical limit matrix
Use every row to determine what the value supports, what changes it and which project record must confirm it.
Scroll horizontally to view all columns.
| Decision factor | What to choose or check | Limit or condition |
|---|---|---|
| Transport mass | Calculate completed gross and axle loads in stowed condition. | Bare chassis payload is not installed-equipment capacity. |
| Support reactions | Use the defined boom, load and setup reaction case. | Machine mass divided by four is not a valid outrigger reaction. |
| Ground support | Compare approved pad and ground capacity with qualified reactions. | Pad area alone does not address soil variability, voids or slope. |
| Site footprint | Reserve outrigger, tail-swing, platform and traffic exclusion space. | A stable setup that blocks unsafe traffic movement is not acceptable. |
From published value to project evidence
Separate reference values from the selected model, installed configuration and unit-linked record before treating a limit as verified.
- 01Identify the value
Aerial work platform chassis and outrigger-footprint specification
- 02Confirm its conditions
Selected boom and platform system mass; Chassis wheelbase, gross and axle ratings
- 03Test configuration impact
Transport mass and Support reactions must both pass.
- 04Retain traceable evidence
Completed-vehicle mass and axle calculation; Approved installation and subframe documentation
Technical evidence checklist
Ask for evidence that is traceable to the selected model, configuration, vehicle or project scope. A record from another project is context, not verification.
- Completed-vehicle mass and axle calculation
- Approved installation and subframe documentation
- Outrigger reaction and footprint data
- Ground and work-zone setup assessment
Evidence interpretation traps
Choosing the smallest chassis for access
Better evidence control: Check installation, mass, axle, support and road requirements first.
Estimating equal outrigger loads
Better evidence control: Use the relevant manufacturer or qualified reaction data.
Ignoring traffic occupation
Better evidence control: Draw the full setup and exclusion envelope on the site plan.
Limitations
- This page does not design a subframe, pad or ground-support system.
- Qualified engineering, manufacturer requirements and site assessment control setup.
- Do not set up on unverified ground, excessive slope, inadequate footprint, uncontrolled traffic or unresolved support reactions.
Evidence scope and technical basis
Each source is limited to what it can support. This makes the evidence chain readable to buyers, search engines and AI systems without turning a general source into a project claim.
Supports: Controls the project-input, quotation, approval and inspection workflow described in this guide.
Does not establish: It does not replace the signed quotation, approved specification, selected OEM documents or unit-linked project records.
Supports: Provides public checklists and worksheets; the signed project documents remain controlling.
Does not establish: It does not replace the signed quotation, approved specification, selected OEM documents or unit-linked project records.
Supports: Defines the relevant product family and published configuration boundaries. Project-specific ratings require the selected OEM documents.
Does not establish: It does not replace the signed quotation, approved specification, selected OEM documents or unit-linked project records.
Supports: Official U.S. reference supporting manufacturer load limits, controls, outriggers, brakes and travel checks. It is not a destination approval or KEEYAK rating.
Does not establish: It is authority, jurisdiction or subject specific and does not approve the selected vehicle for another destination or project.
Supports: Official U.S. guidance for worksite assessment, training, inspection, platform load, reach and stabilization. Local rules may differ.
Does not establish: It is authority, jurisdiction or subject specific and does not approve the selected vehicle for another destination or project.