14320-6
HOIST SYSTEMS
The laser sensors shall be environmentally rated to IP65 for industrial use in
process facilities, along with a +60deg C upper operating temp limit.
The standard system shall be capable of being configured to monitor restricted
zones around process piping and other machinery using a pair of laser distance
sensors monitoring the position of the bridge and trolley throughout the crane
runway and span. The position of the bridge and trolley relative to the fixed
structure is always known.
The system shall be capable of monitoring a runway up to 1640 ft / 500 m when
equipped with a special orange reflective target plate; or at closer range under 200
ft., a natural target may be acceptable.
Each no-fly zone shall be configured by teaching 2 diagonal corners. Stop and
slow buffers can be adjusted via on-screen parameters.
The no-fly zone system interface to a crane drive of contactor type via built in relay
contacts to disable bridge and trolley functions in the appropriate directions.
Crane Sentry Zone Manager shall be from the Crane Sentry product line with
Laser-View Technologies (manufacturer); or equal.
PART 3 - EXECUTION
3.1
3.2
3.3
3.4
INSTALLATION
A.
The Contractor shall verify all dimensions and clearances in the field prior to
erection and shall be responsible for the proper fitting and operation of the
equipment.
B. Install in strict accordance with the manufacturer’s instructions. Installation shall
include furnishing any required oil and grease in accordance with the
manufacturer's instructions.
USE DURING CONSTRUCTION
A. At no time during the construction period shall the monorail, I-beam, hoist and
trolley be used by the Contractor for construction purposes. The hoist/trolley
manufacturer shall render the equipment inoperable until final testing, checkout
and startup.
START UP AND TESTING
A. The monorail, trolley and hoist shall be tested at the rated load by the Contractor to
demonstrate the ability to lift and continuously transport the load throughout the
entire length of the runway.
B. Contractor shall provide necessary weights, slings, etc., necessary for conducting
the test. Weights shall be calibrated.
CLEANING
A. Contractor shall thoroughly clean all installed materials and equipment and touch
up factory finish as required.
END OF SECTION
Dry Well Hoist Replacement
IFB1093-122920
