Laserfiche WebLink
REQUEST FOR DRAINAGE COMMITTEE AGENDA ITEM <br />Agenda Date Requested: June 11, 2018 <br />Requested By: L. Wingate/D. Pennell <br />Department: Public Works <br />Report: �*' Resolution: C-Ordinance: C- <br />Exhibits : <br />Appropriation <br />Source of Funds: <br />Account Number: <br />Amount Budgeted: <br />Amount Requested: <br />Budgeted Item: 4, YES <br />SUMMARY <br />NO <br />The proposed storm sewer improvements include re -sloping Coupland Drive to drain towards inlets located <br />throughout the subdivision. The inlets will drain into proposed storm sewer ranging in size from 24" to 30" RCP. <br />This storm sewer will then flow beneath the existing roadside ditch along L Street to a combined outfall with the <br />existing roadside ditch to Big Island Slough. The proposed storm sewer beneath the existing ditch on L Street <br />will be 42" RCP and the combined outfall will need to be a 60" RCP. These improvements will result in no net <br />fill within the Big Island Slough 100-year floodplain. The proposed storm sewer was sized for the 5 year storm <br />event, per the City of La Porte drainage criteria. <br />Action Re quire d: <br />Approved for Drainage Committee Agenda <br />Corby D. Alexander, City Manager Date <br />