GENERAL - 14636N0008

PART 2

PRODUCTS

2.1

GENERAL

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NOTE: For LANTNAVFACENGCOM use Class C only.

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NOTE: Specify Class A Crane where precise handling

of valuable machinery and equipment at slow speeds

with long idle periods is required. Full capacity

loads may be handled for initial installation of

machinery and for infrequent maintenance.

Specify Class B Crane where service requirements are

light and speeds are slow. Loads may vary from no

load to full capacity, averaging 50 percent of full

capacity, with two to five lifts per hour. Not over

50 percent of the lifts will be at full capacity.

Specify Class C Crane where service requirements are

moderate. Loads may vary from no load to full

capacity, averaging 50 percent to full capacity,

with 5 to 10 lifts per hour. Not over 50 percent of

the loads will be at full capacity.

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NOTE: A footwalk is recommended unless: the crane

can be safely serviced by another means; or where

lack of clearance would prohibit one.

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Provide overhead electric traveling (OET) crane[s] conforming to CMAA 70,

Class C, for [indoor] [outdoor] service, ASME B30.2, and as specified

herein. [Provide a footwalk on the drive girder side.] The crane shall be

pendant controlled and operate in the spaces and within the loading

conditions indicated. The crane shall operate on [_____]-volts AC, 60 Hz,

[single] [three] phase power source. Maximum crane wheel loads (without

impact) due to dead and live loads, with the trolley in any position, shall

not cause a more severe loading condition in the runway support structure

than that produced by the design wheel loads and spacings indicated.

2.1.1

Capacity

The crane shall have a minimum rated capacity of [_____] metric tons tons

([_____] kg pounds). Mark the rated capacity in both kilogram and pound

units printed in different colors on both sides of the crane on the bridge

girders.

2.1.2

Speeds

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NOTE: For LANTNAVFACENGCOM add bracketed sentence.

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SECTION 14636N

Page 8