Architectural · A-D79K2

Elevator Pit Waterproofing and Sill Detail

Materials

Elements

Partitions Floors / Slabs Expansion / Control Joints Waterproofing / Flashing Entrances

About this detail

Construction of an elevator pit incorporates crystalline waterproofing, a floor slab, a hoistway partition, a pit ladder, and an elevator sill support angle. A waterstop is placed at each below-grade construction joint, and crystalline waterproofing is applied with the manufacturer's recommended protective topping at horizontal locations. The pit slab is designed in accordance with ASME A17.1 paragraph 2.1.2.3, with pit depth per section. The elevator entrance assembly includes a typical head and jamb, a hall push button station with buttons at least three-quarters of an inch in the smallest dimension, a hall lantern with visual elements at least two and one-half inches in the smallest dimension, and floor designations on both jambs with characters at least two inches minimum. Designated fire service access elevators include a fire service designation centered on both sides of the jamb with a symbol three inches tall.

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