Hydraulic Calculations
Most permit packages require hydraulic calcs. We produce them under NFPA 13, 13R, or 13D depending on your project type, stamp them, and deliver a digital file the plan reviewer can use as-is.
What Is Included
If your permit package needs hydraulic calculations, we produce them under NFPA 13, 13R, or 13D depending on the project type. Stamped and delivered digitally. New builds and remodels both covered.
Order calcs alone starting at $500, or bundle them with shop drawings. Either way works, and we confirm pricing before starting.
- NFPA 13, 13R, and 13D covered
- New construction and remodels
- Stamped document delivered digitally
NFPA Code Coverage
Commercial, industrial, and most other occupancy types. If it is not a home, it is probably here.
Multifamily residential up to four stories. Apartments, condos, townhomes.
One and two-family homes and manufactured housing. The code most residential contractors work under.
Deliverables
A stamped hydraulic calculation document, delivered as a digital file. Hand it to the plan reviewer as-is.
Standards Covered
Hydraulic Calculations FAQ
NFPA 13 covers commercial and industrial occupancies. NFPA 13R applies to residential buildings up to four stories. NFPA 13D covers one and two-family dwellings and manufactured housing.
Need calcs for your permit package?
Upload your plans. We confirm the code basis and price before anything starts.