QUESTIONS AND ANSWERS
Net Usable Lot Area 64E-6.005 (7) - ANS Net usable area is used to calculate the authorized
sewage flow for the subject property (total lot size)
*Surface water bodies shall not be included in total lot size calculations
Unobstructed Area Determinations - ANS Minimum 1.5 X the DF area
*does not include any tanks nor 18 inches from tank
*area between drain trenches shall be included in the unobstructed area calculation
Calculate 200 gdp per day for BED configuration & Calculate the unobstructed area -
ANS 334/0.60 sq.ft. DF
Unobstructed area 334 x 1.5 = 500 sqft
Calculate 200 gdp per day for TRENCH configuration & Calculate the unobstructed area -
ANS 250/0.80= 250 sq. ft. DF
Unobstructed area = (250 x 1.5) 375 sqft
Benchmark - ANS A mark on a permanent object of predetermined position and elevation
used as a reference point
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