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The lower board is placed 3.5" from the top of the finish deck to the bottom of the board. The top board is placed with the top at 35" from the deck. Then the vertical 2x2 pressure treated wood balusters are installed spaced regularly every 3.5". Then a 2x6 is installed horizontally across the top of the posts and to 2x4.
Typical diameters are 1/8", 3/16" for residential and 3/16" and 1/4" for commercial applications. [5] There are many different types cable and strand (also referred to as wire rope ). Cable and strand is available in galvanized carbon steel, type 304 stainless steel, or the highly corrosion resistant, type 316 stainless steel (best for coastal ...
Codes also generally require that there be a 1 + 1 ⁄ 2 inches (38 mm) clearance between the underside of the handrail and any obstruction—including the horizontal bracket arm. There is an allowance however for variations in the handrail size—for every 1 ⁄ 2 inch (13 mm) of additional perimeter dimension over 4 inches (102 mm), 1 ⁄ 8 ...
The term banister (also bannister) refers to a baluster or to the system of balusters and handrail of a stairway. [3] It may be used to include its supporting structures, such as a supporting newel post. [4] In the UK, there are different height requirements for domestic and commercial balustrades, as outlined in Approved Document K. [5]
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[1] Updated editions of the code were published approximately every three years until 1997, which was the final version of the code. The UBC was replaced in 2000 by the new International Building Code (IBC) published by the International Code Council (ICC).
An example of a common residential guard rail (US) or handrail (Brit.) is a wood railing around a deck or patio. In the US this is typically built on-site from pressure treated lumber thus featuring a simplistic design of vertical baluster spaced every 3.5 inches (8.9 cm) demonstrating compliance with building codes (standards).
Typical travel speed for domestic straight rail stair lift carriages range between 0.07 metres per second (13.78 feet per minute) and 0.15 metres per second (29.53 feet per minute) (0.34 miles per hour). The speed of curved rail stair lift carriages may vary on the journey if the controls cause them to slow on inclines and bends.