before starting the specified treatment.
3.4.1
Equipment Calibration and Tank Measurement
Immediately prior to commencement of termiticide application, calibration
tests shall be conducted on the application equipment to be used and the
application tank shall be measured to determine the volume and contents.
These tests shall confirm that the application equipment is operating
within the manufacturer's specifications and will meet the specified
requirements. The Contractor shall provide written certification of the
equipment calibration test results within 1 week of testing.
3.4.2
Mixing and Application
Formulating, mixing, and application shall be performed in the presence of
the Contracting Officer or the technical representative. A closed system
is recommended as it prevents the termiticide from coming into contact with
the applicator or other persons. Water for formulating shall only come
from designated locations. Filling hoses shall be fitted with a backflow
preventer meeting local plumbing codes or standards. Overflow shall be
prevented during the filling operation. Prior to each day of use, the
equipment used for applying termiticides shall be inspected for leaks,
clogging, wear, or damage. Any repairs are to be performed immediately.
3.4.3
Treatment Method
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NOTE: Application shall be as a surface spray
and/or by rodding and trenching.
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For areas to be treated, the Contractor shall establish complete and
unbroken vertical and/or horizontal soil poison barriers between the soil
and all portions of the intended structure which may allow termite access
to wood and wood related products. Application shall not be made to areas
which serve as crawl spaces or for use as a plenum air space.
3.4.3.1
Surface Application
Surface application shall be used for establishing horizontal barriers.
Surface applicants shall be applied as a coarse spray and provide uniform
distribution over the soil surface. Termiticide shall penetrate a minimum
of 25 mm 1 inch into the soil, or as recommended by the manufacturer.
3.4.3.2
Rodding and Trenching
Rodding and trenching shall be used for establishing vertical soil
barriers. Trenching shall be to the depth of the foundation footing.
Width of trench shall be as recommended by the manufacturer, or as
indicated. Rodding or other approved method may be implemented for
saturating the base of the trench with termiticide. Immediately after
termiticide has reached maximum penetration as recommended by the
manufacturer, backfilling of the trench shall commence. Backfilling shall
be in 150 mm 6 inch rises or layers. Each rise shall be treated with
termiticide.
3.4.4
Sampling
The Contracting Officer may draw from stocks at the job site, at any time
SECTION 02360
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