ms Seven Seas Mariner is a passenger cruise ship with identification IMO number 9210139, MMSI number 311622000 and call-sign number C6VV8, registered in the Bahamas. The cruise ship is owned by NCL Norwegian (since 2014) and operated by Regent Seven Seas Cruises. The vessel debuted in 2001.
IRC 2003 Handrail height, measured vertically from the sloped plane adjoining the tread nosing, or finish surface of ramp slope, shall be not less than 34 inches (864mm) and not more than 38 inches (965 mm).
BSD#182 â 6/30/16. Residential Handrails & Guards. Single Family and Duplex. Handrails: Provide a graspable surface along stairs. Applicable Code: 2015 IRC Section 311.7.8. When Required: Handrails shall be provided on at least. one side of each continuous run of treads or flight with four. or more risers.