Specifications
(;ovcrnor'sPark
Condominium
777 Washington Street
Denver,
CO
shall be
of
the same characteristics as the normal power and shall have the same phase rota-
tion.
B.
The Elevator Contractor shall provide circuitry in the elevator controller so that after normal
power failure and establishment
of
emergency power, one elevator within each bank
of
eleva-
tors, shall automatically proceed to the designated landing where it will stop and deactivate
with the doors open and with all
of
its power and operating circuits in an operable standby
condition. After each elevator in the system has returned to the designated landing, one pre-
selected elevator shall remain operational in each elevator bank on the emergency power.
Should the pre-selected elevator fail to operate, another elevator shall automatically be se-
lected. The Emergency Power Operation switches may be integrated in the Fire Command
Panel. The manual switch shall override the automatic selection and permit the operator to se-
lect any car. Upon restoration
of
normal power, all elevators shall return to normal operation.
2.08 INDEPENDENT
SERVICE
A.
Independent Service operation, activated from the Independent Service switch, shall permit
anyone
or more elevators to be removed from the system and used for special service without
interfering with the normal operation
of
the remainder
of
the elevators operating within the
system.
B.
When on Independent Service, the elevator shall be disconnected from the system and shall re-
spond only to calls registered on the car buttons. Hall calls shall be automatically bypassed
and hall lanterns and high call operation circuits shall be inoperative. The car doors shall close
only when a car call button is pressed.
C. In the event an elevator is operating oil Independent Service and Fireman/Emergency Opera-
tion recall becomes activated, following a period
of
approximately 60 seconds, the elevator
shall automatically override Independent Service and engage Phase I Emergency recall. This
operation shall be subject to acceptance by Code and Code enforcement authority.
2.09 CAR
TO
LOBBY
OPERATION
A. A control panel shall be provided and shall include a Car to Lobby key operated switch for
each elevator. When a switch is activated, the selected elevator shall complete the answering
of
whatever car calls had been registered then return non-stop to the elevator lobby. Upon ar-
riving at the return floor, the elevator shall park with the doors open. Upon return
of
the key
switch to the normal position, the elevator shall be returned to normal operation. This feature
shall be overridden when on Phase I Fireman's/Emergency recall operation. The Car to Lobby
keyed switched shall be located in the Fire Command Center.
2.10
AMERICANS
WITH
DISABILITIES
ACT
A. The elevator system operation shall comply with the requirements
of
the Americans with Dis-
abilities Act. The existing hall lanterns shall provide a visual and audible signal
of
arrival
of
an elevator at a floor. The hall lantern audible signal shall sound once for an
Up
direction
elevator and twice for a Down direction elevator. The hall lanterns shall signal approximately
3 seconds prior to the arrival
of
the elevator to the floor. Doors shall open and close automati-
cally and car doors shall include a door-reopening device. The door-reopening device shall
remain operative for a minimum
of
20 seconds. Door dwell time shall comply with the T =
D/l.5 formula. Doors shall remain open for a minimum
of
5 seconds for a hall call and 3 sec-
onds for a car call. The car position indicator in the car shall provide visual and audible indi-
Elevator
Consulting
and
Design,
Inc.
19