Standards Module 14 - Marriott Design

The Pillars of Safety: Analyzing Marriott International’s Module 14 Design Standards

Sprinkler Requirements: Automatic sprinklers are typically required in most areas, including utility spaces and loading docks, though exceptions may exist for small guestroom bathrooms or closets. marriott design standards module 14

• Flow rates: 1.75 GPM (gallons per minute) maximum for standard showerheads; 2.0 GPM for rain shower heads.
• Pressure balancing: All showers must have a pressure-balancing valve or thermostatic mixing valve to prevent scalding. This is non-negotiable.
• Shower arm height: Standardized at 78 inches (198 cm) from finished floor to showerhead base.
• Drainage slope: Tile shower pans must slope ¼ inch per foot toward the drain. Linear drains require a dual-slope design.

Simply put: If your hotel fails a Module 14 audit, you cannot open. Period. Flow rates: 1

Governing Scope: These standards apply to all brands under the Marriott International umbrella. Simply put: If your hotel fails a Module

• Emergency generator sizing to support required life‑safety loads; automatic transfer switches; fire pump installation with required controllers, alarms and supervision.

1. Measure static pressure at the farthest guestroom on the highest floor (must be 45-65 psi).
2. Run shower, flush toilet, and open lavatory simultaneously. Temperature may not fluctuate more than 3°F.
3. Hot water reaches all fixtures within 5 seconds.