Requirements for Externally Threaded
Fasteners
SAE J995
(1999) Mechanical and Material
Requirements for Steel Nuts
THE SOCIETY FOR PROTECTIVE COATINGS (SSPC)
SSPC SP 6
(2000) Commercial Blast Cleaning
U.S. GENERAL SERVICES ADMINISTRATION (GSA)
FS RR-W-410
(Rev E) Wire Rope and Strand
1.2
DEFINITIONS
a.
Crane Runway: The track system along which the crane operates
horizontally, including track hangar rods, track connection
devices, and runway structural supports.
b.
Underrunning (Underhung) Crane: An electric overhead traveling
crane that is supported by crane end trucks suspended below the
crane runway.
c.
Crane Bridge: That part of an overhead crane system consisting of
girder, end trucks, and end truck drive mechanisms that drives the
bridge in a direction parallel to the runway.
d.
Girder: The principal horizontal beam of the crane bridge. It is
supported by the crane end trucks. Normally the crane trolley
mounted hoist is suspended from the girder below the crane.
e.
Trolley Mounted Hoist: A combined unit consisting of a wheeled
trolley that provides horizontal motion along the bridge girder,
and a hoist suspended from the trolley, that provides lifting and
lowering of a freely suspended load.
f.
Patented Track: A generic term referring to track built in
accordance with MMA MH27.1 utilizing a composite track section
incorporating a proprietary bottom flange shape. For this crane
system, it is provided for the crane bridge girder and also the
crane runway track.
g.
Dead Loads: The loads on a structure which remain in a fixed
position relative to the structure.
h.
Live Load: A load which moves relative to the structure under
consideration.
i.
Rated Load: For the purpose of this specification the rated load
is defined as the maximum working load suspended under the load
hook. Load block and ropes are not included in the rated load.
j.
Standard Commercial Cataloged Product: A product which is
currently being sold, or previously has been sold, in substantial
quantities to the general public, industry or Government in the
course of normal business operations. Models, samples, prototypes
or experimental units do not meet this definition. The term
"cataloged" as specified in this section is defined as "appearing
SECTION 14637N
Page 6