Calculators / Apps
Listed below are links to free or partially free calculators, web apps, and downloadable software developed by others that may be useful when seeking and comparing methods and solutions to engineering problems. The list is provided as a convenience for the curious. It is not an endorsement by Alaco of any particular software or software provider. Use at your own risk.
Energy
Solar Calcs - Project Sunroof by Google
PVWatts by the National Renewable Energy Labratory (NREL)
2019 California Building Energy Code Compliance - Residential (CBECC - Res 2019) software | Software Manual • Calculation Manual
Hydrology/Hydraulics
FHWA Hydraulic Toolbox by the US Federal Highway Administration
Bay Area Hydrology Model for Alameda, San Mateo and Santa Clara Counties by Clear Creek Solutions
Alameda County Modified Rational Method spreadsheet by ACFCWCD
Plumbing
Paving
Structural
Joists & Rafters
Sawn Wood: Span Calculator for 2x4 through 2x12 wood floor joists, ceiling joists, and rafters by American Wood Council
Engineered Wood: BC Connect by Boise Cascade
Beams
Beam Analysis by ClearCalcs (limited free features)
Beam Analysis by MechaniCalc (limited free features)
Beam Calculator by Medeek (references old code)
Beam Calculator by SkyCiv (limited free features)
Beam Designer by WebStructural (limited free features)
Walls
BC Calc by Boise Cascade
Connectors
Anchor / Connector Software by Simpson Strong-Tie
Structural Component Specifier by MiTek
Framing CAD
Other
Force Transfer Around Openings (FTAO) Shear Wall Spreadsheet by The Engineered Wood Association (APA)
Truss Designer by Meedek
Deck Designer by MiTek