f.
Electric timer; and
g.
Accumulative counter.
2.8.9
Sequence of Operation
2.8.9.1
Conductivity Controllers
Provide to open the bleed-off solenoid valve when conductivity of cooling
water rises above set point of controller. When conductivity falls below
set point, valve shall close.
2.8.9.2
Water Meters
Provide to start timer after a pre-set volume of make water has been
measured.
2.8.9.3
Timers
Provide to turn feed pumps on for a pre-set amount of time.
2.8.10
Piping
Provide plastic piping and fittings conforming to ASTM D 2996 for water
treatment system. Piping for feed pump suction shall contain a foot valve
and strainer.
2.8.11
Water Analysis
**************************************************************************
NOTE: If a water analysis is not available for
inclusion in the project specifications, choose the
second bracketed option and leave the description
table blank.
**************************************************************************
[Make-up water conditions are as follows:] [Provide make-up water analysis
in accordance with the methods of tests of ASTM. Analysis shall include
test results for the following:]
Description
Silica (Si02)
[_____]
Insoluble
[_____]
Iron and Aluminum Oxides
[_____]
Calcium (Ca)
[_____]
Magnesium (Mg)
[_____]
Sodium and Potassium (Na and K)
[_____]
Carbonate (C03)
[_____]
Bicarbonate (HC03)
[_____]
Sulfate (S04)
[_____]
Chloride (C1)
[_____]
Nitrate (N03)
[_____]
Turbidity
[_____]
pH
[_____]
Residual Chlorine
[_____]
Total Alkalinity
[_____]
Noncarbonate Hardness
[_____]
SECTION 15601N
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