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Subchapter 4. Construction Safety Orders
Article 14. Construction Hoists
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§1604.11. Horizontal Car and Counterweight Clearances.

(a) Clearance Between Car and Hoistway Enclosures.

The clearance between the car and the hoistway enclosure shall be not less than 3/4-inch except on the sides used for loading and unloading.

(b) Clearance Between Car and Counterweight and Counterweight Screen.

The clearance between the car and counterweight shall be not less than 1 inch. The clearance between counterweight and the counterweight screen, and between the counterweight and the hoistway enclosure, shall be not less than 3/4-inch.

(c) Clearance Between Cars and Landing Sills.

The clearance between the car platform sill and the hoistway edge of any landing sill, or the hoistway side of any vertically sliding counterweighted hoistway door or of any vertically sliding counterweighted hoistway door or of any vertically sliding counterbalanced biparting hoistway door, shall be not less than 1/2-inch where side guides are used and not less then 3/4-inch where corner guides are used. The maximum clearance shall be not more than 1 1/2-inches.

(d) Clearance Between Car Platform Sills and Hoistway Enclosures. The clearance between the edge of the car platform and the hoistway enclosure at each landing for the full width of the clear car gate opening shall be not more than 8 inches.

(e) Measurement of Clearances.

The clearances specified in this Section shall be measured with no load on the car platform.

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