Section 408.40206. Restricted zone requirements.

(1) For walls greater than 8 feet in height, a restricted zone shall be established prior to the start of the construction of the wall. The restricted zone shall meet all  of  the  following  requirements    (see figure 1):

(a)   Be equal to the height of the constructed wall plus a minimum of  4 feet and run the entire length of the wall plus a minimum of 4 feet beyond the ends of the wall.

(b)   Be established on both sides and ends of the wall.

(c)   Be limited to entry by employees trained in accordance with R 408.40205.

(d)  Remain in place until the wall has obtained its final lateral support.

(e)   Be delineated by signing in accordance with R 408.40207.

(2)   When a restricted zone extends onto or across roadways or other adjacent areas,  protection  shall   be  provided   as   prescribed   in construction  safety standard part 22 signals, signs, tags, and barricades, R 408.42223 traffic control, or by other methods.

(3)   If restricted zones cannot be installed or maintained as prescribed by these rules,  alternative   protective  methods  shall  be   provided.

Drawings/plans or calculations shall be prepared by a qualified person  and available at the jobsite.

(4)   For multi-story structures the restricted zone shall be determined by a qualified person.

History: 1989 AACS; 2010 AACS.