Ch. 23 (Special Design Considerations) Flashcards
TDD =
TTY
Two types of public telephones
Coin
Non-coin
Hospitals are required to provide TTYs in ___
Emergency rooms
Waiting rooms
Recovery rooms
Side reach telephone height
54”
Forward reach telephone height
48”
___ percent of pay telephones must be equipped with volume controls
25%
ATM floor space
10 sq’
Shallow tunnel detail
Large circles on bottom left = high-voltage
Numerous small circles on right = telephone
If all slips require telecommunications services
Cable each slip back to dockmaster/marina office
Fewer than 10 slips
Run 1 or 2 pair cable to distribution terminal on closest point of land
10 or more boat slips
Run distribution cable from enclosure/cabinet on the dock
Three types of protection for electrical power stations
Isolating transformers
Neutralizing transformers
Mutual drainage reactors
Three types of tunnel construction
Boring
Prefabrication
Open-cut
Separation of telephone booth and power
6”