Laserfiche WebLink
Pressure Distribution <br />mTH�n,e•ew• MANN F><O T♦ POLLUTION <br />Design Worksheet CONTROL AGENCY <br />13. <br />Calculate the Square Feet per Perforation. <br />KMI <br />Recommended value is 4,11 ft1 per perforation. Does not apply to At -Grades <br />a. <br />Bed Area =Bed Width (ft) X bed Length (ft► <br />Maeanq,� <br />10 ft X 63 ft = 625 ft, <br />IA' ai0 0.11 am 0.74 <br />11I o.0 a!1 SAO a+ <br />b. <br />Square Foot per Perforation = Bed Area : by the Total Number of Perfs <br />111' 0Zi aH 0.6 1.04 <br />1 as an 1 0.4 1 10,1111 1.17 <br />625 ftp = 63 pert ftZlperf <br />1a a.3: a.n o.IF I n <br />asr D o l.n 1 a <br />_—.11-1 <br />s a1+ o.n 1.31 <br />14. <br />Select Minimum Average Head: <br />1.0 <br />ft <br />11m1 0W -,.V.0 lint *h to I'd kr <br />..walk„ <br />15. <br />Select Perforation Discharge based on Table: <br />0.56 <br />GPM per Peri <br />>WLIV Wtj i a ha xk,,mti <br />vw=ti+at+hi - dddmmwmj,% <br />16. <br />Flow Rate = Total Number of Perfs X Perforation Discharge, <br />.c►101ubepe "ko <br />Sim lawa,:aau.dWnw+uln*A <br />53 Perfs X 0.56 GPM per Perforation = 36 <br />.rae''.Yrzn'a <br />GPM <br />17. <br />Volume of Liquid Per Foot of Distribution Piping (Table fl): 0.170 <br />Gallons/ft <br />18. <br />Volume of Distribution Piping = <br />Table It <br />= [Number of Perforated Laterals X Length of Laterals X (Volume of <br />volume of Liquid in <br />Liquid Per Foot of Distribution Piping) <br />Pipe <br />3 X 61 ft x 0.170 gal/ft 30.9 <br />� <br />Pipe <br />� te <br />Gallons +mer Perer Foot ot <br />(inches) (Gallons) <br />19. <br />Minimum Delivered Volume = Volume of Distribution Piping X 4 <br />1 0.045 <br />30.9 <br />gats X 4 = <br />123.4 <br />Gallons <br />1.25 0.078 <br />1.5 0.110 <br />2 0.170 <br />3 0.380 <br />4 0.b61 <br />'Comments/Special Design Considerations: <br />