Subject: Hydraulic Elevators With "Single Bottom Cylinders".

Before 1972, hydraulic cylinders were typically manufactured with a single, flat bottom. This single bottom did not provide adequate safety in the event the breach occurred at the bottom.

The most recent code change occurred in 2002, and is directed specifically at elevators manufactured prior to 1972 with a "single bottom" cylinder. Owners with "single bottom" have two options: 1) Replace the cylinder with a double cylinder or a cylinder with a safety bulkhead protected from corrosion by an approval method; or 2) install an approved device on the existing system to protect against unintended car movement as a result of uncontrolled fluid loss.

Subject: Passenger/Service Elevators without "Door Restrictive Device".

The ASME A17.1 Elevator Safety Code has required the installation of a Door Restrictor Device since 1980.

Passengers who become trapped in elevators may try to self evacuate by opening the car doors between landings, putting themselves at risk of serious injury or death. Door Restrictors, which prevent elevator car doors from being opened if the elevator is outside the unlocking zone, ensure that doors remain closed until appropriate action can be taken.

The installation of Door Restrictors improves passenger safety, meets national code, and is a sound investment in your building's future.

Subject: Platform Guards (Apron).

Platform Guards have been required by code since 1982 (minimum 21" length). The 2000 code increased that length to 48". The purpose of the guard is to reduce the shearing action at the edge of the car sill and when the car is positioned above a floor sill to seal off the opening under the car from the landing thereby reducing the possibility of someone falling into the hoistway.