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SUMMIT ENGINEERING,INC. sur f ER HOME PROJECT NO. 2001015 <br /> Consulting Civil Engineer.-, Pond Perfm'InanCL Worksheet BY: ANI <br /> Parlial-ltilix,Firs(Order Reduction Model <br /> Phase 1-50,000 TONS <br /> ASSUMPTIONS <br /> Intluenl waler temperature 65 deg.F <br /> PONT]f#1 <br /> Ambient Air <br /> Month Temperature PW influent 1'and 1 Pond 2 <br /> Hydraulic Water BOD removal BOD Removal Hydraulic Water BOD removal BOD Removal <br /> Flow" BOD Re(entian Timub Temperature` rate constant° EI1luent BOD, Performance Retention Time° Temperature` rate cunstanta Effluent BOD` Performance <br /> (F) (gpd) (mglL) (d) (deg.F) (d r) (mg1L) (d) (deg.F) (d-) (nglL) (%) <br /> August 73 85,334 5,000 54 67 0.273 316 94% 57 73 0.304 17 95% <br /> September 70 113,358 5,000 40 66 0.267 432 91% 31 70 0.287 44 90% <br /> October 63 136,102 5,000 32 65 0.258 536 89% 24 63 0.250 77 86% <br /> November 52 103.-324 5,000 41 62 0.243 452 91% 29 52 0.202 66 85% <br /> December 45 88,758 5,000 47 59 0.232 420 92% 47 45 0.176 46 89% <br /> Januar), 45 27,1188 5,000 138 54 0.208 169 97% 108 45 0,176) 8 9594 <br /> February 51 41,037 5,01111 98 58 0.229 214 96% 85 51 11.198 12 94% <br /> March 54 43,624 5,000 96 60 0.236 212 96% 89 54 0.211) ll 95% <br /> April 59 31,449 57000 146 62 0.241 136 97% 165 59 0.231 3 97% <br /> May 65 28,676 5,000 176 65 0.260 107 98% 262 65 0.260 2 99% <br /> June 70 17,589 5,000 364 68 0.278 49 99% 127 70 0.287 1 97% <br /> July 74 23,563 5,000 248 Ill 0.290 69 99% 59 74 0.31$ 4 95% <br /> AVERAGE 30,432 5,000 1.61 63 137 97% 128 60 6 96°% <br /> (a) Mcalbly inflow values from water balance. <br /> (b) 11R1,deteimincd as average of starting;and ending monthly pond volume divided by average oFmonthly inflow and outflow. <br /> (c) Pond water temperature determined using Eq 8-5 in Tchobanoglous, 1998. <br /> (d) 1301)removal constant determined usingit k2o of 1).276 d"and a temperature coefficient of 1.036. <br /> (e) Effluent BOD determined using a first-order reduction,partial mix model,Eq.8-4 in Tabobanoglous, 1998. <br /> Page 7 of 7 <br />