Daily Workflow
Keep official references, your reviewer notes, and quick math in one place so each design starts from the same trusted checklist.
gpd per bedroom baseline for single-family residential design flow, with a 240 gpd minimum.
WAC 246-272A-0230gallon minimum liquid volume for a single-family residence up to four bedrooms.
WAC 246-272A-0232Pinned
Official References
Whatcom County, Washington State, Ecology, and local-jurisdiction checkpoints.
Design Topics
Topic cards for the work you repeat: flow, tanks, dispersal, soils, dosing, gravity, sand filters, and reserve areas.
Scratchpads
Quick checks for common OSS math. Verify final submittals against the current code and local review comments.
Design Flow
Loading Rates
Trench Length
Tank Volume
Pump Calculations
Submittals
County forms and application portals that tend to come up during design, permit, inspection, and record-drawing work.
Local Copies
Fee references you want handy, including documents that are not easy to find online.
Reviewer Memory
Things learned from reviewers, common plan-check comments, design details, and standard notes.
Details
Reusable prompts for typical details and standard plan notes.
Bookmarks
Records, professional lists, funding, product lists, and background references.