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<br />I <br />I I <br />I I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />i I <br /> <br />FORMULATION AND EVALUATION OF ALTERNATIVES...............................................24 <br /> <br />Alternatives..................................................................................................... 24 <br />Option 1 . Do Nothing ...............................................................................24 <br />Option 2 - Continue Current Practice of Limited Slab Replacement .................25 <br />Option 3 - Improved Program of Slab Replacement .......................................26 <br />Option 4 - Resurface the Upstream Slope with a Soil Cement Overlay ............27 <br />Option 5 . Beach the Upstream Slope and Armor..........................................28 <br />Option 5A - Beach the Upstream Slope at a 10(H):1(V) Slope and Armor <br /> <br />with Gravel...... .......................................................... ............... ..........29 <br />Option 5B - Beach the Upstream Slope at a 5(H): 1 (V) Slope and Armor <br /> <br />with Soil Cement................................................................................. 30 <br />Option 6 - Flatten the Upstream Slope to 2.5(H): 1.0(V) and Armor <br /> <br />against Wave Action .............................................................................31 <br />Option 6A - Armor with New Concrete Slabs ...............................................31 <br />Option 6B - Armor with Riprap ...................................................................32 <br /> <br />Project Costs ............. ....................... ............................. ............................... ...32 <br />Evaluation of Alternatives......................................... ............... ........... .............. .34 <br />DESCRIPTION OF SELECTED PLAN............................................................................35 <br /> <br />Design Criteria ...... ......... ..........................:............................ .......... ................ .35 <br />Land and Right of Way.............................................................................".......37 <br />Project Implementation Schedule................ ............ ................ ,.......................... .37 <br />Detailed Cost Estimate..... ............ ...... .......... ..... ....................... ............... ,.........38 <br /> <br />Project Scope................................................................................................... 38 <br />Operation. Maintenance and Repair Costs ...........................................................39 <br /> <br />Financial Program ...... .......................... .............................................................39 <br />Project Funding......................................................................................... 39 <br />Assessments.......................................................................,.................... 40 <br />Financial Analysis. .......... .................................................................., .......41 <br /> <br />Loan Collateral.......................................................................................... 42 <br />Ability to Repay the Loan ..................................................................................42 <br /> <br />Institutional Considerations................................................................................43 <br />State Engineer Design Review ....................................................................43 <br />Finalize Funding Arrangements with the CDPOR...........................................44 <br />Morgan County Grading and/or Erosion Control Permits.................................44 <br />CDPHE Permit for Air Pollution Emission Notification (APEN)..........................44 <br />CDPHE Permit for Storm water Program, Construction Activity General <br /> <br />Permit........................................................................................."...... 44 <br />COE 404 Permit................ .......... ........ ................ .......... ............................44 <br />Social and Physical Impacts of the Project...........................................................45 <br /> <br />Project Beneficiaries..........................................................................................45 <br />Benefit-Cost Analysis ..... ... .......... .......................... ."...... ...........................45 <br /> <br />iv <br />