Decks attached to single family detached homes are regulated under the rules of the International Residential Code (IRC). Handrail & guardrail are commonly confused as being the same component of a railing system. So the vertical components must … So the vertical components must not be more than 125mm apart. When handrail fittings or bendings are used to provide continuous transition between flights, the transition from handrail to guardrail, or used at the start of a flight, the handrail height at the fittings or bendings shall be permitted to exceed the maximum height. Unless a build-ing owner plans for a change in occu-pancy, such as converting a roof area to a pedestrian terrace, or modifica-tions, such as a roof replacement or balcony upgrades, existing railings may Uniform Load Test: The top rail must be able to sustain 125 lbs of force applied horizontally or vertically. The building official shall interpret, administer, and enforce this title, and for such purposes, he may appoint deputies and otherwise delegate the authority herein provided. Install railings on any deck that is 30 inches or more from the surrounding surface and on at least one side of a stairway leading to the deck. Flat 2x4 and 2x6 handrails are not acceptable. News. Luckily, there are building organizations dedicated to ensuring that all architectural and construction details are safe and secure. This is a minimum required height for residential structure—higher guards are acceptable. Handrails are required for stairs and must meet standards as specified by R311.5.6.3 in the IRC code. applying for a building permit; having the balcony appropriately designed and documented. A circular cross section of a handrail must have an outside diameter of between 1-1/4” and 2”. For safety concerns, the rail has to be a minimum of 110cm high, and the gaps between the rails cannot be too wide (clearly for the safety of children.) … For external balcony or terrace areas the required height is 1.1m from datum to the top of handrail. B. ... current UK Building Regulations. All decks higher than 30" above grade must have a guardrail. The handgrips must allow a minimum of 1-1/2” space between the handrail and the guardrail or wall. The BC Building and Plumbing Code, which set the technical requirements for building construction throughout B.C. New Balcony Building Regulations. For business or fencing use, the railings should be 42 or 48 inches. ğƒ  �’Š‹kEGÄ=LJjiJJJ&. Handrail ends must be returned and terminated at rail posts. In a dwelling, this is 900mm, and external balconies must have a height of 1100mm from the datum to the top of the handrail. Concentrated Load Test: The top rail must be capable of holding a point load of 200 lbs of force applied to the mid span, on the side of a post and on top of a post. A variety of gripping surfaces may be acceptable but must meet requirements for the gripping surface. About Janek . There is no need for handrail beside the bottom 2 steps of a stairs. Where Juliet Balconies are concerned there needs to be a minimum of 1100mm (1.1 mtr) of height between the top of the balcony and the floor lever where you stand. The top edge of the handrail must be placed between 34” and 38” above the nosing of the stair treads. 311.7.7.2 Continuity. There are a variety of structures less … Commercial decks attached to multi-family buildings, such as apartment buildings or businesses, are regulated under the International Building Code (IBC). Where in the IRC is it stated that you must design deck or balcony railings to resist any specific lateral force such as you describe in your article. 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