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<br />.4- <br /> <br />The 100-year floodplains are typically about ,,:~~!~~!'!!:r The road cross- <br />ings are assumed to be overtopped by a width equivalent to a I foot depth <br />of overtopping. The culverts are assumed to be 100 percent blocked with' <br />the exception of the Spencer Parkway crossing of Tributary E2a2, This cul- <br />vert has adequate capacity to c:onvey the 100-year flows without road over- <br />topping, <br /> <br />CONCLUSION <br />BMP is requesting a LOMR for the drainageways delineated in the 1986 FIRMs <br />within the BMP PUD (see Figure I and 2). Many drainageways are proposed to <br />be eliminated from the FIRMs (see Table 3) and several drainageways have <br />proposed revisions to the delineation of the 100-year floodplain. <br /> <br />All supporting calculations and documentation are contained in the follow- <br /> <br />ing Appendices. <br />