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Drainage areas and �M can discharge onto 23rd Avenue to flow north <br />to the storm sewer draining area 0. The storm sewer from point 9 will <br />discharge into Luther Park Lake where the excess water can be ponded without <br />damage and drained off slowly into No. 3 Ditch. <br />Drainage Drainage area[ C � and the discharge from the lake at -4 3 twill be picked <br />up at point and transmitted through an open ditch or 72 -inch pipe north <br />through point` 8 and 16 to point e The pipe or open ditch from <br />to 17 will also serve to drain areas{ D and <br />At point 7 there - is a requirement to allow irrigation water to flow <br />north from 7 through 9 }and 10 to a farm at There is an existing <br />24 -inch pipe from <br />0 <br />to 10 , and this pipe can continue its irrigation <br />assignment while serving the second function of a storm sewer. A catch basin <br />at point 10 will serve drainage area#. K 1 and when the proposed development <br />north of point 13 is completed, a storm sewer from a to Q8) will serve <br />drainage area 0 <br />A study of the above plan will show that the congested areas presently <br />experiencing drainage problems have been by- passed by the major drainage <br />waters from above. Every effort was made to remove as much water as possible <br />from presently developed areas and thus reduce the cost of drainage improve- <br />ments in those areas where construction would be more expensive. <br />STAGE CONSTRUCTION <br />The "Master Drainage Program described here lends itself readily to con- <br />struction by stages. For example, where large diameter pipes are specified, <br />an open ditch can serve the same function until such time as the adjacent <br />property is developed for residential purposes. The construction of the <br />dam can be accomplished prior to the physical requirement for the outfall <br />- 17 - <br />