Rule of thumbRecommended
Wet-wall clustering
WET-WALL-CLUSTERINGDescription
Stack bathrooms, kitchens, and laundries above each other (multi-story) or share walls. Cuts plumbing material cost dramatically.
Why this exists
Plumbing is the most expensive trade per linear foot; consolidation saves real money.
Categories
Plumbing
Source
AIA / Ramsey-Sleeperno manifest entry
Architectural Graphic Standards (—)
Section: Residential layout chapters
Published 2024-01-01 · last verified 2026-05-09
Solver enforcement
Browsable only — the solver does not currently enforce this directive (no spec-level data to check against). This entry exists so the architect personas can cite it in conversation and the user can read what the rule says.
Related directives
- Avoid plumbing on exterior walls in cold climates · PLUMBING-AGAINST-EXTERIOR-WALLS
- Mechanical room central, not corner · MECHANICAL-CENTRAL
- Water heater near fixtures · WATER-HEATER-NEAR-FIXTURES
- Wet wall clustering · PLB-STACK-01
- Plumbing fixture against wet wall · FIX-PLUMBING-WALL-01
Last reviewed 2026-05-09.