maintenance access walkways for reaching the platforms in accordance with
the following: Maintenance access walkways shall be not less than 610 mm 2
foot in width. Ladders shall be as specified in paragraph entitled
"Access." Headroom shall be 2.13 meters 7 footclear except 2 meters 6 foot
6 inches will be allowed in tight locations. Provide adequate allowance
for installation of Government's piping, conduit, and lighting fixtures.
Provide at least two avenues of escape from safety valves or other
hazardous equipment.
2.13.6.3
Class 3
Maintenance access areas, where access is only required for painting,
reinsulation, or replacement of components which have a service life of 10
years or more, shall be met by providing facilities to enable the erection
of patent scaffolding, temporary ladders, platforms and safety nets to
safely perform the work involved.
2.13.6.4
Maintenance Access Requirements
Provide rotating machinery and mechanical equipment components weighing in
excess of 91 kg 200 pounds with monorails and eyebolts to permit the
equipment to be removed and lowered to grade in a single lift.
2.13.7
Painting
The steel surfaces must be dry and clean in accordance with the following
requirements. Remove grease, oils, and contaminants as outlined in SSPC SP
1. Remove weld spatter and grind burrs on cut edges and rough welds
smooth. Blast-clean surfaces after fabrication, in accordance with SSPC SP
6 and profile depth from 0.038 to 0.064 mm 1.5 to 2.5 mils. Apply first
coat before any rust bloom forms. Apply one coat, dry film thickness of
0.076 mm three mils, of any of the organic zinc-rich primers meeting the
requirements of SSPC PS 12.01, with a minimum of 82 percent zinc in the dry
film. Apply primer in accordance with manufacturer's recommendations.
Apply primer to steel surfaces except the areas within 50 mm 2 inches
adjacent to field welds and surfaces specified to be hot-dip galvanized.
PART 3
EXECUTION
3.1
INSPECTION
As equipment is delivered to the jobsite, it shall receive a preliminary
inspection by Contractor Quality Control Representative and the Contracting
Officer. The inspection will be continued during the installation after
installation, and during testing. The right is reserved to inspect
equipment at the plant of the manufacturer, during or after manufacture,
and to require reasonable witness tests before shipments are made.
Government and Contractor Quality Control Representatives shall be allowed
unrestricted access to manufacturing and fabrication facilities. Any
equipment rejected shall be either corrected or replaced before
installation. The Contractor shall provide field representatives for
technical direction of the erection, startup, and testing of the FGD system
by the Contractor and for training of the Government's operating personnel.
3.1.1
Contractor Construction Representatives
The Contractor shall furnish experienced, competent, contractor
construction representatives including travel and living expenses, to
advise and consult the Contractor regarding erection procedures and quality
SECTION 15864N
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