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r_ <br /> r_ <br /> � September 25, 1996 2215 <br /> � To: Jane'Limrtwnnan via fax 25�-8882 <br /> IFrom: Alan Mucray /'� <br /> � Subject: Housing Hope Village Pond Calculations <br /> This is in response to your message lef[earlier on our message recorder. <br /> � 1. The dimensions and volume of the dead storage was shown on the sketch. <br /> Cell 1 dead storage is 1,747 cf;ce112 dead storage is 745 cf. <br /> The dimensions far cell 1 are 16' x 20' x 5.5'. I <br /> The dimensions for ce112 aze 16' x 35' x 1.33'. � <br /> (_ The percentage of total dead storage located in cell 1 is 70.104%. i <br /> The percentage of total dead storage located in cell 2 is 29.896%. <br /> I 2, Discharge Structure information follows. As we discussed previously,Deparur�ent of I <br /> � Fisheries and Wildlife pecmit states that we m�st meet the 1/2 of the 2-year swan event I <br /> To act�ieve this, thz 0.75"diameter orifice is required. The Por.d plan area was <br /> increase�t to achieve the requirements for the dead storage. This resulted in a lower <br /> I_ stage required to achieve the matched release rates. !'��rafe �ys��"'�• <br /> I 3. We see that you did note that the maximum poten[ial elevadon assuming vertical side <br /> I slopes was 3.83 feec. The minimum width of 6 feet cecurs near the existing 42-inch <br /> culvert. When the culvert is removec!, the side slopes in the channel will be laid back to <br /> 1:1 with an 8' width. From the table you will note that the elevation would then be <br /> I reducPd to 2.29 feeG There would be a 1' freeboard at that location. <br /> l <br /> A total of 10 pages follows this fax for your review. <br /> �_ Should you have any quesaons, please call me at(206) 364-1�20 until 07:30. <br /> � <br /> � <br /> I <br /> I I <br /> � <br /> � <br /> � <br />