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:r <br />/ /� �� ._ „ i_'�+�}:.�. . <br />November 20, 1979 � 1 r�i ��� ; ".�ti <br />�''` t� � � /� _ ,. . = � i <br />/C/'� — .. _._r%J <br />1 ... <br />� <br />Mr. Joe Willis <br />Parametrix, Inc, <br />13020 Northrup Way, Suite 8 <br />Bellevue, WA 98005 <br />Dear Mr. Willis: <br />Ihe Ev=rgreen <br />CITY OF <br />everett <br />CITY IIALL � 3lOY%!! <br />[vCN[TT. W�9MINOTOry <br />�exo� <br />This letter is to transmit to you ou determination of the iniercepto�i system <br />related sewer connection charge for he Diagonal Way Business�rdc, <br />As indicated earlier, office usage accounts for 20 gal.%day p re person (ASCE) <br />and each employee accou;its for about 100 sq, ft. of gross office area (BOMA) ( <br />giving .20 gal./day/sq, ft. For warehouse use, we used water consumption `' <br />records at existing small warehouses in Everett to arrive at an average useage � <br />of .02 gal./day/sq. ft For e <br />for various retail stores, e c lud'ng grocery store�sagolarr vekat antaveragerds <br />flow of .11 gal./day/sq. ft, i'I <br />Using a peaking factor of 2,5 (NA State D.O.E.), charges of $7] 6 per gpm � <br />average and $7.04 per gpm peak for the South End Interceptor service area, <br />and the total areas for each use from your lette� of November 6, 1979. The <br />results are as follows: <br />USE <br />Area (Sq. Ft.) <br />Avg. Flow (gprn) <br />Peak Flow (gpm) <br />Avg. Flow Cost <br />Peak Flow Cost <br />Combined Cost <br />Project Total <br />OFPICB <br />29,601 <br />4.11 <br />10.28 <br />2,943 <br />2,097 <br />5,040 <br />$7,677 <br />WAR— EH�USE <br />26,508 <br />.37 <br />.92 <br />265 <br />188 <br />453 <br />RETAIL <br />23,341 <br />1.7£ <br />k.46 <br />1,274 <br />910 <br />2,184 <br />