Chamber Model = ADS N-12 15" (ADS N-12® Pipe)
Inside= 14.8"W x 14.8"H => 1.20 sf x 20.00'L = 24.0 cf
Outside= 18.0"W x 18.0"H => 1.60 sf x 20.00'L = 31.9 cf
Row Length Adjustment= +4.00' x 1.20 sf x 3 rows
18.0" Wide + 10.9" Spacing = 28.9" C-C Row Spacing
2 Chambers/Row x 20.00' Long +4.00' Row Adjustment +1.50' Header x 2 = 47.00' Row Length +8.0" End Stone x 2 = 48.33' Base Length
3 Rows x 18.0" Wide + 10.9" Spacing x 2 + 8.0" Side Stone x 2 = 7.65' Base Width
4.0" Stone Base + 18.0" Chamber Height + 4.0" Stone Cover = 2.17' Field Height
6 Chambers x 24.0 cf +4.00' Row Adjustment x 1.20 sf x 3 Rows + 6.31' Header x 1.20 sf x 2 = 173.6 cf Chamber Storage
6 Chambers x 31.9 cf +4.00' Row Adjustment x 1.60 sf x 3 Rows + 6.31' Header x 1.60 sf x 2 = 230.9 cf Displacement
800.7 cf Field - 230.9 cf Chambers = 569.8 cf Stone x 40.0% Voids = 227.9 cf Stone Storage
Chamber Storage + Stone Storage = 401.5 cf = 0.009 af Overall Storage Efficiency = 50.1% Overall System Size = 48.33' x 7.65' x 2.17'
6 Chambers
29.7 cy Field
21.1 cy Stone
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