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<br /> <br />CHAPTER 2 <br />CWCS PRINCIPLES <br /> <br />SECTION 2 <br />CWCS PROPOSED <br />OPERATING <br />PRINCIPLES <br /> <br />COLORADO <br />FLOODPLAIN AND STORMWATER CRITERIA MANUAL <br /> <br />CHAPTER 2 <br />CWCS PRINCIPLES <br /> <br />SECTION 2 <br />CWCS PROPOSED OPERATING PRINCIPLES <br /> <br />2.1 INTRODUCTION <br /> <br />The criteria and design standards presented in the COLORADO FLOODPLAIN AND <br />STORMWATER CRITERIA MANUAL (hereinafter referred to as Statewide Manual) <br />are provided to help guide the state and local agencies and the practicing engineers <br />in dealing with the stormwater and floodplain analysis, design, and management <br />issues. The intent of the Statewide Manual is not to supersede the existing related <br />storm drainage manuals that have been adopted by various agencies but rather to <br />supplement the existing manuals. Also, it is not the intention of CWCB to mandate <br />the use of the recommended engineering and management criteria outlined in the <br />Statewide Manual. <br /> <br />This section provides CWCB Proposed Operating Principles in dealing with the <br />. following topics: <br /> <br />. Criteria manual discrepancy resolution <br />. New and revised floodplain delineations <br />. Regulatory 1 DO-year floodplains <br />. Designated floodways <br />. Hydraulic structures <br />. Hydrology <br />. Floodplain development practices <br />. Flood conveyance in irrigation ditches and canals <br />. Stormwater runoff detention <br />. Water rights <br />. Water quality <br /> <br />2.2 CRITERIA MANUAL DISCREPANCY RESOLUTION <br /> <br />Currently, many communities within the State of Colorado do not have adequate <br />drainage manuals that address the floodplain and stormwater management and <br />engineering issues. Establishment and enforcement of minimum drainage standards <br />are vital for these communities to reduce future flood damages to public and private <br />properties and promote public safety and general welfare of their communities. <br /> <br />PROPOSED OPERATING PRINCIPLE <br /> <br />THE CWCB RECOMMENDS THAT GOVERNMENT ENTITIES IN COLORADO <br />ADOPT THE STATEWIDE MANUAL AT THEIR OWN DISCRETION, WHOLLY OR <br />IN PART, DEPENDING ON THE NEEDS OF THE ADOPTING AGENCY. EACH <br />ENTITY ADOPTING THE CONTENTS OF THE STATEWIDE MANUAL IS <br />RESPONSIBLE FOR ENFORCEMENT OF THE MANUAL WITHIN ITS <br />JURISDICTIONAL BOUNDARIES. <br /> <br />MARCH 2004 - Draft <br /> <br />CWCB PROPOSED <br />OPERATING PRINCIPLES <br /> <br />CH2-202 <br />