General Use
The engineering tools and calculators provided by PMA Research Labs are intended for
preliminary design estimates and educational purposes only.
These tools are designed to assist engineers in early-stage analysis and should not be
used as the sole basis for final engineering decisions.
Professional Responsibility
All calculations, designs, and outputs generated by these tools must be
independently verified by a licensed Professional Engineer
before implementation. Users are responsible for ensuring compliance with all applicable
local, state, and federal codes, standards, and regulations.
Limitation of Liability
PMA Research Labs makes no warranties, expressed or implied, regarding the accuracy,
completeness, or fitness for any particular purpose of the tools provided. In no event
shall PMA Research Labs be liable for any damages, including but not limited to direct,
indirect, incidental, or consequential damages arising from the use of these tools.
Reference Standards
Calculations reference industry standards including FHWA HEC-14, HEC-22, and other
published methodologies. Users should verify that referenced standards are current
and applicable to their jurisdiction and project requirements.
⚠ Important: These tools are provided "as-is" without warranty of any kind.
Always exercise professional engineering judgment and obtain appropriate peer review
before finalizing any design.