8.
Whether piling is required for foundations.
9. Whether hypochlorinator or whether chlorinator
should be used for plants in 4.38 to 6.57 L/s
100,000 to 150,000 GPD range.
10. Whether raw sewage recirculation box
(recirculation to pumping station) is needed.
11. Whether plant is to be of aboveground or
belowground construction.
12.
Seismic loading (if necessary).
13.
Electric power characteristics for motors.
14. Whether automatic operation of air lift pumps
should be required.
15. Wind load and ice load for rotating sludge
collector.
16. Organic loading (5-day BOD) if other than that
given in the text.
17. Total suspended solids if other than given in
the text.
18. Size of hypochlorite mixing tank if larger
capacity than 113.4 L 30 gallons is needed.
19. Size of hypochlorite solution tank if larger
capacity than 208 L 55 gallons is needed.
20. Whether, for extended aeration type plant,
eventual conversion to step aeration type is
anticipated.
**************************************************************************
**************************************************************************
NOTE: Insert value for 5 day BOD loading. This
value should be based on tests of the sewage to be
treated; however, if this cannot be obtained, use
200 mg/L.
**************************************************************************
**************************************************************************
NOTE: Insert value for total suspended solids. This
value should be based on tests of the sewage to be
treated; however, if this cannot be obtained, use
200 mg/L.
**************************************************************************
**************************************************************************
NOTE: Delete reference to comminutor and screening
basket when not required for plant. For plants of
1.09 L/s 25,000 GPD capacity and below, the
comminutor and bar screen unit may be omitted, and
in lieu thereof, a screening basket provided in the
SECTION 11375N
Page 95
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