Hoistway structures 215 pit structures Questions with Answers

The elevator pit is located between the sill level and the lowest landing and the - Floor of the elevator hoistway Four items of personal safety equipment you should have when working in the elevator hoistway are - Hard hat, glasses, harness, safety shoes All measurements necessary for the installation of various components in the pit are measured with reference to the - Guide rails When working in the pit that has been waterproofed - You must notify the general contractor before drilling or cutting into the wall or pit floor All passenger and freight elevators must be equipped with buffers under the - Car and counterweight The loss of traction created between the hoist ropes and the machine driver when the counterweight lands on its buffer avoids - The elevator car from being pulled into the overhead Spring buffers are used on an elevator traveling at - 200 FPM or less The distance the contact end of the spring buffer should be compressed so that all coils of the spring came in contact with each other is known as the - Buffer stroke A spring buffer must hold ___ the static load of the loaded car or the counterweight without being compressed solid - Twice When one spring buffer is used, it should be installed so that the vertical centerline is within ___ inches of the vertical centerline of the car or counterweight striking plate. - Two Before permanently mounting the assembled buffer channel to the guide rail or counterweight rail, check - That the channel is at the proper floor level, that the channel is level, and that the DBG distance is proper. The finished pit floor is normally poured to the - Lower web of the pit level Oil buffers are required on elevators having car speeds of - More than 200 FPM When an oil buffer is part of the counterweight instead of being installed in the pit under the counterweight, it is called a - Gravity return