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Home My WebLink AboutMemo - Read Before Packet - 5/21/2013 - Item No. 20 - May 21, 2013 Council Meeting Resolution 2013-049 Authorizing The Execution Of The First Amendment To The Intergovernmental Agreement Establishing The Boxelder Basin Regional Stormwater ALoveland Denver 5110 Granite Street, Suite C Loveland, CO 80538 5300 DTC Parkway, Suite 260 Greenwood Village, CO 80111 (970)669.3611 (303)333.4380 www.pinnacleconsultinggroupinc.com JOINT MEETING OF CITY OF FORT COLLINS CITY COUNCIL, LARIMER COUNTY COMMISSIONERS, TOWN OF WELLINGTON TRUSTEES, TOWN OF TIMNATH COUNCIL MEMBERS AND THE BOXELDER BASIN REGIONAL STORMWATER AUTHORITY BOARD OF DIRECTORS Thursday, January 17, 2013 2:00 – 4:00 p.m. Larimer County Courthouse; 200 W. Oak, Hearing Room, 1st floor Fort Collins, Colorado What has changed since May 31, 2012:  Coal Creek Flood Mitigation Project (CCFMP) is complete  East Side Detention Facility (ESDF) - Gray Lakes o FEMA waiver of potential levee issue o Earthwork Balance achieved and wetlands reduced  Middle Basin Improvements o Simplified to Larimer Weld Canal Crossing Structure (LWCCS)  Colorado Water Conservation Board (CWCB) Loan o Interest is at 2.75% rather than Bonds at 4.0% o BBRSA is currently on the CWCB Pre-Qualification List for 2013  Timnath Participation o Fort Collins/Timnath IGA Amendment approved opening I25 culverts (this in combination with ESDF will eliminate Timnath overflow floodplain) o $500K Contribution was received from the Timnath Development Authority for design costs o BBRSA/Timnath IGA approved on 11/19/12 formalizing 25% participation Current Status:  Appraisals have been received on the 3 affected properties at EDSF  CWCB Loan Application and Feasibility Study targeted for February 1, 2013 filing  CWCB Loan will include ESDF and LWCCS  Final design now moving forward Regional Improvements Comparison Original Master Plan Costs Total Regional Improvements $ 13,700,000 Coal Creek Flood Mitigation Project (Includes $2.9M PDM Grant $ (5,100,000) Savings on Coal Creek Mitigation $ (1,100,000) Remaining Regional Improvements Obligation (Edson, Middle Basin, & Larimer Weld Crossings) $7,500,000 Current Estimate of Costs East Side Detention Facility (ESDF) & Larimer Weld Canal Crossing Structure (LWCCS) $ 9,900,000 Timnath Interim Contribution $ (500,000) $ 9,400,000 Timnath 25% Participation $(2,350,000) $7,050,000 Current BBRSA Annual Revenue $760,000 Current Revenue Available for Debt Service (approximate) $550,000 *Required BBRSA Debt Service (Timnath 25%, $6.75 M, 20 year loan @2.75%) *Provided only for comparison, Not Final $443,284 Loveland Denver 5110 Granite Street, Suite C Loveland, CO 80538 5300 DTC Parkway, Suite 260 Greenwood Village, CO 80111 (970)669.3611 (303)333.4380 www.pinnacleconsultinggroupinc.com Items to be resolved in IGA Amendment: 1. Agreement of all member entities to the issuance of Debt (CWCB Loan), according to Section 2.05 (f) of the Original IGA 2. Adoption of the revised Service Area Boundary (based on the BBRSA Board of Directors Meeting of December 16, 2010) which includes: a. Areas identified as “Non –Tributary Area” are not to be included. b. The “2-Year Historic Release Area 100 percent fee credit” area is to be designated as the area from which runoff is effectively mitigated by irrigation reservoirs. c. Includes a recommendation for a policy on the effect of irrigation ditches within the Boxelder Basin 3. Agreement that the Authority is allowed to make minor adjustments to the Service Area when, at the request of the property owner, new information is brought forward regarding non-tributary areas (i.e. grant waivers) 4. Agreement amended to decrease the lower end of the Stormwater Service Fee from $0.03 to $0.0277 per square foot impervious surface per year to be consistent with current billing procedures. 5. Determination of a sunset date for the Authority, considering the term of CWCB Loan, repayment of the PDM Grant Matching Funds, and resolution of operations and maintenance issues. Attachments: 1. BBRSA Service Area Boundary Map 2. Aerial Site Plans for ESDF and LWCCS 3. Copy of BBRSA/TDA IGA ×× ××× × ××× × ×× ×× ×× ×× ××× ×× × ×× ××××××× ××××××× ××× ××× ×××× ×××× × ×××× × ××× ××××××× ××××××× ×× ××× × ×× ×× ××× ××× ×× × ×× ×× ×× ×× ×××× ×× ×× ×××× ×××× ×× ×××× ×× ×××× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×××× ×× ×× ×× ×× ××× ×× ××××× ×××× × ×× ×× × ×× ×××× ×××× ×××× ×× ×××××× ×××× ××××× ××× ××× ××× DETENTION EAST SIDE FACILITY (ESDF) LARIMER CANAL AND WELD FLOODPLAIN ZONE X EXISTING FLOW RATE 100-(cfs) YR PROPOSED RATE (cfs) WITH 100-YR ESDF FLOW LOCATED AT GRAY LAKES NORMAL DITCH FLOWS (cfs) SPILL GOAL (cfs) 1000 cfs 2400 cfs L&W BOXELDER CREEK NOTCHED DITCH ROAD WEIR CLAY WALL CUTOFF A-A ××× ××× ××× ××× ××××××× ××××××× ×××× ×××××× ××× ××× × ×× ××× ××× ×××× ××××× ××× ××× ××× ××× ××××× ××× ××××× ××× ××× ××× ×××× ×× ×× ×× ×× ×× ×× ×× ××××× ××××× ×××××× ×× ×× ×× ×× ××× ××× ××× ×× × ×× ×× ×××× ×××× ×××× ××××× × ××× ××××× ××××× ××××× ×××× ×× ×××× ×× ××××× ××× ××× ×× ××× ××× ×× ××××× ×××× ×××× × ×× × ×× ××× ××× ××× ×× ×××××× ××× × ×× ×× ×× ×××× ×× ××× ×× × ×× ×× ××× × ××××× ××× × ×××××× ×× × ×× × × ×× × ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×××× ×× ×× ×× ×× ×× ×× × × ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× × ×× × ×× × ×× × ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× × ×× × ×× × ×× ×× × ×× ×××× × ×× × ×× ×××× ×× ×××× ×××× ×× ×× ×× ×× ×× ×× ×××× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× × ×× × ×× ×× ×× ×× × ×× × ×× × × ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× × × ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× × × ×× ×× ×× ×× ×× × ×× × ×× ×× ×× ×× ×× × × ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× × ×× × ×× ×× ××× × ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×××× ×× ×× ×× ×× ×× ×× ×× ××× × ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× × × ×× ×× ×× ×× ×× × × ×× ×× ×× ×× ×× × × ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ×× ")70 ")70 ")9 ")15 ")19 ")54 ")66 ")68 ")11 ")52 ")64 ")62 ")3 ")60 ")56 ")58 ")50 ")48 ")60 ")9 ")58 ")64 ")62 ")64 ")11 ")54 ")68 ")56 ")19 ")3 ")11 ")11 ")9 ")66 ")60 ")56 O 0 0.5 1 2 Miles Imagery Date: 2009 Included Homes under Revised Boundary Ayers (12/20/Revised 2010) Boundary 2-100% Year Fee Historic Credit Release Rate - Non-100% Tributary Fee Credit Area - Map Date: 11/2/2010 Wellington Fort Collins ×× Original Boxelder SA Boundary Non-Tributary Area Non-ATrreibautary Non-ATrreibautary Non-ATrreibautary Non-Area Tributary Non-ATrreibautary 2-Release Year Historic Area 100 percent fee credit 2-Release Year Historic Area 2-Release Year Historic Area Boundary Revised Boundary Revised Boundary Revised Boundary Revised Boundary Revised Boundary Revised 2-Release Year Historic Area 100 percent fee credit Service Area Boundary Recommended by Authority Board