Marriott mandates a with a balancing valve at every riser. "Dead legs" (pipes longer than 12 feet without flow) are prohibited.
: Defines strict limits on travel distances to exits (e.g., maximum 30 meters from a guestroom door to a stairwell). Smoke Control marriott design standards module 14
Module 14 coordinates closely with Module 15 (HVAC). For bathrooms: Marriott mandates a with a balancing valve at every riser
Glossy finishes (create glare), recessed floor mats (trip hazard), carpet tile smaller than 18x18”. recessed floor mats (trip hazard)
: It differentiates strictly between Low-Rise and High-Rise (any building where an occupiable floor is more than 23m or 75ft above fire access) to apply specialized smoke exhaust and elevator recall protocols. Where to Access These Standards