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Grand County Stream Management Plan <br />Scope of Work, Phase 3B <br />Exhibit A <br />November 11, 2008 <br />Revised February 11, 2009 <br />Revised May 26, 20Q9 <br />Revised May 28, 2009 (as noted) <br />Updated Nov. 4, 2009 <br />Updated Feb 23, 2010 for CWCB <br />The purpose of this scope of work is to present the Phase 3 Technical Tasks for the Grand County Stream <br />Management Plan (SMP). Five major tasks are included in Phase 3: 3.1) perform field-based stream <br />assessment; 3.2) perform additional field assessments to complete the environmental flow analysis <br />developed in Phase 2; 3.3) assessment of field data; 3.4) assess future flow regimes and compare to the <br />recommended flows; and 3.5) identify potential restoration opportunities utilizing both flow-management <br />techniques and physical-based approaches. These tasks are outlined in detail below. In addition two <br />other tasks are presented including 3.6) plan implementation which is not included in this contract and <br />3.7) meetings and coordination. A cost spread sheet is attached as Etchibit B. <br />PROJECT SCHEDULE <br />Note that Tasks 3.1 and 3.2 were completsd in 2008 and are presented in the task description for <br />informational purposes but not included in the cost spread sheet. Tasks 3.3, 3.4, 3.5 and 3.7 were <br />partially completed in 2009 and the remaining tasks will be completed in 2010. T'he attached cost spread <br />sheet includes a breakdown of the portion of associated costs to be paid for through the Colorado Water <br />Conservation Board's Colorado Basin Roundtable Water Supply Reserve Account Grant for $100,000. <br />As with previous Phases, the Tetra Tech project team includes HabiTech, Inc. and Walsh Aquatic <br />Consultants, Inc. <br />For the purpose of this scope of work the following terms are utilized: <br />Environmentat �lows: flow regime refers to those flows that aze determined to best maintain the <br />ecological needs of the stream in relation to its fisheries. Included in these regimes are timing, frequency <br />and quantity of stream flows. <br />Water users' flow requirements: estimates of flow requirements that optimize uses of irrigators, <br />municipalities and indushy, and/or recreation use, <br />Recommended itows: estimates of flow that optimize conditions for a given reach and specific use. <br />�, t� >`?I't?t'lif'I :-�.S.S`6'_5'Sdt'tE'/�IS' <br />3.1.1 The work nutiirzed ir� Tas•k 3.1.1 is included ir� the P{�u,se 3.Sco�e of' Work c�urrentl�� itn�/er <br />co�truc�t witlz Gr�rnd Count�� ' <br />('��f�c�rrct Str�arn ,�.ctic�.s.3rnei�t: The �oal of this stream assessment is to q��llitatively evalt��ite <br />the general, existing morphological and biological conditions of the project study reach. 'The <br />approach for the assessm�nt� �il1 involvF fieid reconnaiss�i�ce, and review of� existin�� <br />available information including maps and aerial photographs. Fie(d rec�nnaissance w�il1 <br />inciude assessment of the project reaches utilizin� the f�ollowina methodologie;: <br />O Grand County, Coiorado TETRA TECH <br />Stream Management Plan, Phase 3B j <br />TETRA TEGH <br />