mis Flashcards
1
Q
in buildings four stories or more and elevator is used as a _______
A
means of egress, smoke ventilation is required for the shaft, needs emergency power
2
Q
Typical slope for escalators
A
30 or in some extreme cases it can be 35, max speed is 100 feet per minute, but it can be up to 125
3
Q
What does an inertia block do?
A
seat for mech units that is isolated from the slab below, concrete block on spring isolators
4
Q
what is a housekeeping pad
A
a raised floor or slab that does not allow for items to roll under the inertia block supporting the mech unit
5
Q
parallel dampers are best for systems where?
A
systems are either all open or all closed, opposed blade systems allow for more modulated control