as that quantity of material processed by the manufacturer at one time and
identified by number on the label. Identify samples by designated name,
specification number, batch number, project contract number, sample date,
intended use, and quantity involved. The Contracting Officer will take
possession of the packaged samples, contact the shipping company to arrange
for pickup, and relinquish the samples only to the shipping representative
for shipment to the approved laboratory for testing as required by the
paragraph entitled "Coating Sample Testing."
3.3.2
Abrasive Sample Collection
Notify Contracting Officer three days in advance of sampling. The
Contracting Officer and either the QC Manager or NACE Coating Inspector
shall witness all sampling. Provide suitably sized containers for each
sample to be taken. Provide a sample collection kit as required in Article
entitled "Abrasive Sample Collection and Shipping Kit." For purposes of
quality conformance inspection, a lot shall consist of all abrasive
materials of the same type from a single, uniform batch produced and
offered for delivery at one time. Obtain samples of each abrasive lot
using the sampling techniques and schedule of MIL-A-22262. The addition of
any substance to a batch shall constitute a new lot. Identify samples by
designated name, specification number, lot number, project contract number,
sample date, intended use, and quantity involved. The Contracting Officer
will take possession of the packaged samples, contact the shipping company
to arrange for pickup, and relinquish the samples only to the shipping
representative for shipment to the approved laboratory for testing as
required by the Article entitled "Abrasive Sample Testing."
3.3.3
Coating Sample Test Reports
Test samples of all primer, intermediate, and topcoat materials for
compliance with requirements of Table I. Reject entire batch represented
by samples that fail one or more tests, reselect, and retest samples.
3.3.4
Abrasive Sample Test Reports
Test samples of abrasive materials for compliance with the appropriate
abrasive specification. Reject entire lot represented by samples that fail
one or more tests, reselect, and retest samples.
[3.4
FUEL REMOVAL AND TANK CLEANING
Remove fuel and clean storage tanks in accordance with Section 13219
CLEANING PETROLEUM STORAGE TANKS.
]3.5
LIGHTING
Provide lighting for all work areas as prescribed in SSPC Guide 12.
3.6
ENVIRONMENTAL CONDITIONS
3.6.1
Control System Requirements
Provide and utilize dehumidification and ventilation equipment to control
humidity, temperature, and vapor levels in tank from beginning of abrasive
blasting through coating application and for four days after the last
coating is applied. System shall maintain vapor concentrations at or below
10 percent of Lower Explosive Limit (LEL). System may incorporate any
combination of solid desiccant and direct expansion refrigeration
SECTION 09973
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