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[_____] random fastener pull tests shall be conducted in areas designated
by the Contracting Officer. Fasteners for structural connections shall
provide tensile and shear strength of not less than 3.3 kN 750 pounds per
fastener.
3.3
CLEANING
Upon completion of copper roofing work, grease and oil films, excess
sealants and handling marks shall be removed and the work shall be cleaned
in accordance with manufacturer's recommendations. Copper surfaces shall
be cleaned of substances that would interfere with uniform oxidation and
weathering. Exposed copper surfaces shall be free of dents, creases,
waves, scratch marks, and solder or weld marks.
3.4
PROTECTION
Copper roofing work shall be protected to ensure the work is without damage
or deterioration. Roof panels and other components which have been damaged
or have deteriorated beyond successful repair shall be replaced with new
copper sheet metalwork. Storing, walking, wheeling or trucking directly on
completed copper roofing work is not permitted. When required, temporary
walkways, runways and platforms fabricated of smooth clean boards shall be
used to avoid damage to completed copper work. Copper roofing work shall
be maintained in a clean condition until final acceptance.
-- End of Section --
SECTION 07610
Page 11
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