HomeMy WebLinkAboutFINISHED FLOOR CALCULATORFINISHED FLOOR CALCULATOR
STEP 1. CALCULATE MINIMUM FINISHED FLOOR ELEVATION ALLOWED BY HEALTH DEPARTMENT CONSTRUCTION PERMIT
(1) BENCHMARK ELEVATION (SEPTIC PERMIT & SURVEY) 51 87 - FEET
(2) STUBOUT INVERT ABOVE BENCHMARK (SEPTIC PERMIT) INCHES = 0.58 FEET
(3) DEPTH OF FOOTING AND SLAB (FOUNDATION PLAN) 20 INCHES = 1.67 FEET
CALCULATED F.F.E. (MIN.) = 18.62 FEET
NOTE: MINIMUM FINISHED FLOOR ELEVATION ASSUMES 6 INCHES FOR DIAMETER AND SLOPE OF BUILDING SEWER.
STEP 2. CALCULATE LOWEST GRADE POSSIBLE AT ADJACENT PROPERTY LINE
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(4) ACTUAL BUILDING SETBACK FROM ADJACENT PROPERTY LINE (SURVEY)
14.00 FEET
(5) MINIMUM GRADE AT ADJACENT PROPERTY LINE (CALCULATED)
17.30 FEET
(6) EXISTING GRADE AT ADJACENT PROPERTY LINE (SURVEY)
,-;t�6 00 FEET
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STEMWALL MAY BE NECESSARY
NOTE:
1. SPREADSHEET WILL NOT WORK FOR STEPPED FOOTINGS.
2. MINIMUM GRADE AT ADJACENT PROPERTY LINE ASSUMES:
A. TWELVE INCHES MINIMUM COVER OVER FOOTING PER FBC.
B. A 4 FOOT LEVEL AREA ADJACENT TO THE FOUNDATION FOR LANDSCAPING; EGRESS, MECHANICAL EQUIPMENT, ETC.
C. A 3:1 MAXIMUM GROUND SLOPE FROM 4 FOOT LEVEL AREA DOWN TO THE ADJACENT PROPERTY LINE.