00-C-2804
painting shall consist of at lease one coat of primer and one finish coat of
acrylic-based enamel. The primer shall be applied to a clean, dry surface as
soon as practicable after cleaning and treating. Painting shall be with
manufacturer's current materials according to manufacturer's current processes
and the total dry film thickness shall be not less than 2.5 mils over the entire
surface. The paint shall be free from runs, sags, orange peel, or other
defects.
3.14 Interchangeability. All units of the same classification furnished
with similar options under a specific contract shall be identical to the extent
necessary to insure interchangeability of component parts, assemblies,
accessories, and spare parts.
3.15 Workmanship.
3.15.1 Component fabrication. The steel used in fabrication shall be free
from kinks, sharp bends, and other conditions which would be deleterious to the
finished product. Manufacturing processes shall not reduce the strength of the
steel to a value less than intended by the design. All bends shall be made by
controlled means to insure uniformity of size and shape. The completed lattice
framework shall not deviate from straightness, without load, in excess of
0.25 inch multiplied by length in feet divided by 10 (0.25 inch X L(ft)/10).
3.15.2 Bolted connections. Boltholes shall be accurately punched or drilled
and shall have the burrs removed. Washers or lockwashers shall be provided
and all bolts, nuts, and screws shall be tight.
3.15.3 Riveted connections. Rivet holes shall be accurately punched or
drilled and shall have the burrs removed. Rivets shall be driven with pressure
tools and shall completely fill the holes. Rivet heads, when not countersunk or
flattened, shall be of approved shape and of uniform size fox the same diameter
of rivet. Rivet heads shall be full, neatly made, concentric with the rivet
holes, and in full contact with the surface of the member.
3.15.4 Welding. Welding procedures shall be in accordance with AWS D14.3.
The surface of parts to be welded shall be free from rust, scale, paint, grease,
or other foreign matter. Welds shall be of sufficient size and shape to develop
the full strength of the parts connected by the welds. Welds shall transmit
stress without permanent deformation or failure when the parts connectd by the
weld are subjected to proof and service loadings. The welder shall be qualified
per AWS D14.3.
3.15.5 Castings. All castings shall be sound and free from patching,
misplaced coring, warping, or any other defect which reduces the casting's
ability to perform its intended function.
3.15.6 Lifting and tiedown attachment. The conveyor shall be equipped with
lifting and tiedown attachments. Lifting and tiedown attachments shall conform
tO type II or type III of MIL-STD-209. A nonferrous transportation plate shall
be provided and mechanically attached to the conveyor. Transportation plates
shall be inscribed with a diagram showing the lifting attachments and lifting
slings, the capacity of each attachment, and the required length and size of
each sling cable. A silhouette of the item furnished showing the center of
gravity shall be provided on the transportation plate. Tiedown attachments may
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