N.H. Admin. Code § Lab 1403.57 - Stairs

The employer shall ensure compliance with the following requirements:

(a) Every flight of stairs having 4 or more risers shall be equipped with standard stair railings or standard handrails as specified below:

(1) On stairways less than 44 inches wide having one side open, at least one stair railing on the open side;

(2) On stairways less than 44 inches wide having both sides open, one stair railing on each side; and

(3) On stairways more than 44 inches wide but less that 88 inches wide, one handrail on each enclosed side and one stair railing on each open side.

(b) A stair railing shall be not more than 34 inches nor less than 30 inches from the upper surface of the top rail to the surface of tread in line with the face of riser at the forward edge of tread;

(c) Riser height and tread width shall be uniform throughout any flight of stairs;

(d) Hollow pan-type metal stairs shall be filled to the level of the nosing with solid material;

(e) Fixed stairs shall be provided for access from one structure level to another where operations necessitate regular travel between levels and for access to operating platforms at any equipment which requires attentions routinely during operations. Fixed stairs shall also be provided where access to a raised structure or floor is traveled daily or at each shift where such work might expose employees to harmful substances, or for which purposes that carrying of tools or equipment by hand is normally required; and

(f) Spiral stairways shall be prohibited except for special limited usage and secondary access situations where it is not practical to provide a conventional stairway.

Notes

N.H. Admin. Code § Lab 1403.57

#4118 eff 8-22-86, EXPIRED: 8-22-92

New. #6684, eff 2-4-98, EXPIRED: 2-4-06

New. #8606, INTERIM, eff 4-12-06, EXPIRED: 10-09-06 (formerly Lab 1403.71)

New. #8796, eff 1-11-07

Amended by Volume XXXV Number 18, Filed May 7, 2015 , Proposed by #10809, Effective 4/9/2015, Expires4/9/2015.