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City Council Regular Meeting Minutes October 14, 1997 Page 10 1 Mornson noted a report was also needed for submittal to FEMA and for the application for 2 Housing Assistance funds. The application for Housing Assistance funds is needed by the end 3 of October. 4 Mr. Willenbring stated a grant application describes in adequate detail the considered findings 5 and a way to sell the project. It would require considerably less detail. He stated WSB could 6 provide that type of documentation within two to six weeks. 7 Enrooth suggested Staff contact Senator Marty to reconfirm his deadline for information. 8 Mrs. Lockrem questioned what grants the City was pursuing. 9 Mornson explained that a preliminary grant application has been filed with FEMA. The other 10 grant is through the Minnesota Housing Finance Agency. 11 Mrs. Lockrem asked Mr. Willenbring to explain the difference between a 10 year and a 100 12 year storm event. 13 Mr. Willenbring explained that the U.S. Weather Bureau had collected rain measurements 14 from 1853 through 1961 and plotted the.results. They then created a table called the TP40. 15 He explained that a 100 year storm is the biggest event seen in a 100 year period. A 100 16 year storm has a 1% chance of occurring within any single year. Since 1961 there has been 17 an indication that the Twin Cities will receive a greater amount of rain during a period of 18 time than received prior to 1961. As a result some cities are designing their storm water 19 systems to accommodate 30% greater than the 100 year standard. 20 Jane Hintz, noted that at the last Task Force meeting it was agreed that they would like to see 21 a 100 year event plus the.30% for storm water capacity. 22 Mr. Willenbring acknowledged that the Task Force had voted and agreed that this is the 23 standard they would like for the future. 24 Mornson noted this motion was not presented to the City Council as those minutes have not 25 yet been approved. 26 Mornson distributed a pad to the audience and asked anyone who had not received a copy of 27 either report this evening or had not received a survey to provide their name and address. 28 Mary Jean Higgins, 2712 St. Anthony Boulevard, asked why removal of the two homes on St. 29 Anthony Boulevard would not provide enough storm water storage but removal of one home 30 on either Shamrock or Fordham would. 31 Mr. Hubmer stated that the 1992 Barr Engineering Study states that a holding pond in the 32 area of St. Anthony Boulevard would need to have the capacity of 70 acre feet of storm water 33 to contain a 100 year storm event. He explained that the property on Shamrock and the flow