Constituents*
Sodium as (Na)
[_____]
ppm
Silica as (SiO(2))
[_____]
ppm
Calcium as (Ca)
[_____]
ppm
Magnesium as (Mg)
[_____]
ppm
Iron and aluminum oxides
as (Fe(2)O(3)), (Al(2)O(3))
[_____]
ppm
Bicarbonates as (HCO(3))
[_____]
ppm
Carbonates as (CO(3))
[_____]
ppm
Hydroxides as (OH)
[_____]
ppm
Sulphates as (SO(4))
[_____]
ppm
Chlorides as (Cl)
[_____]
ppm
Phosphates as (PO(4))
[_____]
ppm
Carbon Dioxide (free CO(2))
[_____]
ppm
Total hardness as (CaCO(3))
[_____]
ppm
Total solids in solution
[_____]
ppm
Volatile and organic matter
[_____]
ppm
Suspended matter
[_____]
ppm
Free acid
[_____]
ppm
Color
[_____]
pH
[_____]
*Numbers in parentheses are subscripts.
2.23.2.2
Zeolite
Zeolite shall be the high capacity polystyrene base sulphonic synthetic
type. Not less than [_____] cubic meter cubic feet of zeolite shall be
provided with each reactor tank.
2.23.2.3
Reactor Tank
Reactor tank sizes shall be based on allowing a freeboard above the zeolite
bed of not less than 50 percent of the zeolite bed depth, and a maximum
flow rate of 11.3 mL/square meters per second one gallon/square foot per
minute for each 111 mm 4-3/8 inches of zeolite bed depth.
2.23.2.4
Softening System
The softening system shall be complete with all piping, control, and power
wiring. A complete initial charge of rock salt shall be installed in the
brine tank as recommended by the softener manufacturer.
2.23.2.5
Water Test Kit
A kit complete with test containers, reagents, and instructions for testing
the raw and effluent water shall be provided in a strong carrying case.
2.23.2.6
Treated Water Storage Tank
Treated water storage tank shall be fabricated from steel plates not less
than 4.7625 mm 0.1875 inch thick for shell and heads, and shall be
constructed in accordance with ASME BPVC SEC VIII D1 for unfired pressure
vessels for a design working pressure of 517 kPa 75 psig. Heads shall be
dished concave to pressure to a radius equal to the diameter of the tank.
The tank shall be provided with the connections indicated, an 203.2 mm 8
inch copper ball float, level-operated control valve, valve bypass and
SECTION 15559A
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