2010-00542 - new mound septic - Laserfiche WebLink

Home Browse Search

. . . _„� „�_ 63.0 ft X 10.0 ft X 1.0 = 630.0 ft3 Divide ft3 by 27 ft3/yd3 to catculate cubic yards: 630.0 ft3 = 27 = 23.3 yd3 Add 20%for constructability: 23.3 yd3 X 1.2 = 28.0 3 yd B. Calcutate Clean Sand Votume: Upslope Volume: ((Upslope Mound Height- 1)x 3 x Medio Length)+2=cubic feet (( 3.5 ft - 1) X 3.0 ft X 63.0 )=2 = 236.3 ft3 Downslope Volume: ((Downs(vpe Height- 1) x Downstope Absorption Width x Media Length)+2 = cubic feet (( 4.1 ft- 1) X 5.4 ft X 63.0 )=2- 293.0 ft3 Ends(ope Volume: (Downs(ope Mound Height- 1) x 3 x Media Width =cubic feet ( 4.1 ft- 1 ) X 3.0 ft X 10.0 ft = 93.0 {rt3 Volume Under Rockbed:AverQge Sand Depth x Medio Width x Media Length =cubic feet �•$ ft X 10.0 ft X 63.0 ft = 1134.0 ft3 Total Cleon Sond Volume: Upstope Vo(ume +po��ope Vo(ume +Endstope Vo(ume + Voiume Under Media 3 236.3 ft + 293.0 ft3 + 93.0 ft3 + 1134.0 ft3 = 1756.2 {�3 Divide ft3 by 27 ft3/yd3 to calculate cubic yards: 1756.2 ft3 - 27 - 65.0 yd3 Add 20%for constn�ctability: 65.0 yd3 X �,Z = �g.� a yd C. Calculate Sandy Berm Volume: � Tota(Berm Yolume(�pproximate): Average Mound Height x Mound Width x Mound Length¢2=cubic feet ( 3.8 ft X 42.0 ft X 89.0 )=2 _ 7102.2 {�3 Tota(Mound Votume- C(ean Sand volume=cubic feet 7102.2 ft3 - 1756.2 ft3 = 5346.0 ft3 Divide ft3 by 27 ft3/yd3 to calculate cubic yards: 5346.0 ft3 - 27 = 198.0 yd3 Add 20%for constructability: 198-0 yd3 x 1.2 = 237.6 3 yd D. Calculate Topsoi(Moteria( Volume: Toto(Mound Width X Total Mound Length X.5 ft 42.0 ft X 89.0 ft X 0.5 ft = 1869.0 ft3 Divide ft3 by 27 ft3/yd3 to calculate cubic yards: 1869.0 {rt3 _ 27 = 6q.2 yd3 Add 20%for constructability: 69.2 yd3 x 1.2 = 83.1 3 yd �h�bY��Y that I have completed this work in accordance with all applicabie ordinances, rules and laws. Joseph Olson � � � 810 10/29/2008 (Designer) (Signature) {License#) (Date)