// CODE SNIPPET
J702.3 Existing Stairs
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Existing stairs are permitted to remain, provided all of the following conditions are met:
- The product obtained by multiplying the height of the riser by the width of the tread shall be not less than 70 nor more than 80. Riser height shall not exceed 9 inches.
- Stairs shall have minimum headroom of 6 feet 6 inches, except that stairs for occasional use to basements and attics are permitted to have a minimum headroom of 6 feet 4 inches.
- Variations in riser height in a run of stairs shall not exceed 3/8 inch.
- Width shall be not less than 30 inches.
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