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HomeMy WebLinkAboutWORK ORDER - RFP - 8073 ENGINEERING SERVICES FOR WATER, WASTEWATER, & STORMWATER FACILITIES CAPITAL IMPROVEMENT PROJECTSCOFC2017.01_SmithCreek_SOW_5-10-2017.docx April 24, 2017 375 East Horsetooth Road, Bldg. 5  Fort Collins, Colorado  80525 Phone: (970) 226-0120  Fax: (970) 226-0121  www.acewater.com April 24, 2017 Ms. Suzanne Bassinger, P.E. City of Fort Collins Park Planning and Development 215 N. Mason PO Box 580 Fort Collins, CO 80522-0580 RE: Hydraulic Analysis and Floodplain Mapping Report Submittal for the Smith Creek Trail Project (ACE Project No. COFC2017.01A) Dear Suzanne: Attached is a copy of the Scope and Budget for the Hydraulic Analysis and Floodplain Mapping Report Submittal for the Smith Creek Trail Projects. The intent of this scope to provide engineering services in support of the hydraulic modeling and flood hazard mapping associated with the design of trail improvements and pedestrian bridges over Smith Creek. As shown on the attached scope, ACE's time and materials cost associated with this scope of work is $19,185. Including $1,755 in surveying services, and $2,050 in City Review Fees the total study cost is $22,990. We respectfully submit this scope and budget based on our understanding of your needs for bringing the project to successful conclusion. Please review this information and do not hesitate to contact us if you have any questions or comments. Sincerely, Anderson Consulting Engineers, Inc. Jamis Darrow, P.E. Senior Engineer Attachments: A. Anderson Consulting Engineers Scope of Work JDD COFC2017.01_SmithCreek_SOW_5-10-2017.docx Page 1 of 6 Anderson Consulting Engineers, Inc. EXHIBIT A SCOPE OF WORK & BUDGET HYDRAULIC ANALYSIS AND FLOODPLAIN MODELING REPORT SUBMITTAL FOR THE SMITH CREEK TRAIL PROJECT At the request of the City of Fort Collins Park Planning and Development Department, the current scope of work and budget has been developed by Anderson Consulting Engineers, Inc. (ACE) to provide the following engineering services: (a) detailed hydraulic analyses of Smith Creek for duplicate effective, corrected effective, existing, and proposed conditions to demonstrate that the proposed Smith Creek Trail project complies with all City of Fort Collins floodplain regulations; (b) floodplain mapping along Smith Creek for corrected effective, existing and proposed conditions in support of the detailed hydraulic analyses; (c) inclusion of model/mapping results into a floodplain modeling report for Lang Gulch and Smith Creek (based on the City of Fort Collins recently published Floodplain Modeling Report Guidelines); and (d) coordination with City of Fort Collins staff regarding all regulatory floodplain issues associated with the project. ACE staff will utilize the effective mapping and modeling prepared provided by City of Fort Collins Staff as the effective data source for the basis of this study. In addition, in order to most efficiently complete the analyses, ACE will utilize the “Smith Creek Floodplain Modeling Report” prepared by City of Fort Collins Staff (September 21, 2016) as the basis for the corrected effective model. The project reach is defined as the portion of the hydraulic model that will be updated to reflect proposed conditions within the project area. The upstream project limit for Smith Creek is Cross Section 2400.26 (just downstream of S. Shields Street). The downstream project limit for Smith Creek is Cross Section 2009.52 (approximately 400 feet east of S. Shields Street). The study reach is that portion of the hydraulic model that will need to be evaluated to ensure that any changes to the floodplain do not impact properties and structures upstream and downstream of the project area. The upstream study limit for Smith Creek is assumed to be Cross Section 3087.93 (approximately 600 feet west of S. Shields Street). The downstream study limit for Lang Gulch is assumed to be Cross Section 1637.16 (approximately 800 feet east of S. Shields Street). The river distance of the Smith Creek study reach is approximately 0.3 miles. Review of existing flood hazard maps indicates that this project will impact flood hazard information in City of Fort Collins regulated floodplains. Therefore, submittal and review by City of Fort Collins Stormwater Staff will be required. It is noted that the Smith Creek Floodplain east of Shields Street is located in Larimer County. This scope assumes that review and approval of the floodplain evaluation will be conducted at the Larimer County engineering staff level and that an appearance at the Larimer County Flood Review Board will not be required. The effective flood hazard information for Smith Creek is not FEMA-regulated, therefore a CLOMR submittal is not anticipated. Exhibit A – Scope of Work & Budget (Continued) April 24, 2017 COFC2017.01_SmithCreek_SOW_5-10-2017.docx Page 2 of 6 Anderson Consulting Engineers, Inc. Assumptions and Proposed Schedule: 1. The effective Smith Creek model will not be truncated for the purposes of this modeling. 2. This study will not require a CLOMR/LOMR submittal to FEMA. 3. Attendance at the Larimer County Flood Review Board will not be required. 4. Only the 100-year Flood Hazard Boundaries will be mapped. 5. Floodway analyses will not be conducted, as the effective floodway boundaries are identical to the 100-year floodplain boundaries for the flooding sources analyzed in this study. 6. Geomorphic or stream stability assessments will not be required. 7. ACE will not provide assistance in the procurement of permitting (i.e. environmental, historical, cultural, etc.) that may be required for construction. 8. Post-Project/As-Built conditions will not vary significantly from proposed conditions and will not adversely impact private property owners. 9. Post-Project/As-Built survey information will be provided by others, at no expense to ACE. _____________________________________________________________________________________ Task 1. Data Collection and Review of Existing Information This task will include the compilation, review, and evaluation of available materials associated with the hydrology, channel hydraulics and regulatory floodplain of Smith Creek for the current project. The pertinent information may include but is not limited to: 1. The available reports and documentation related to floodplain hydrology and channel hydraulics; 2. Effective floodplain workmaps; 3. Recent aerial photography and topographic mapping; 4. Effective hydrologic and hydraulic models for Smith Creek; 5. Current political boundaries and property lines. ACE will review the published data and reports regarding the hydraulic modeling and floodplain mapping for Smith Creek within the proposed study reach. Pertinent information will be incorporated into the study. Labor Cost ....................... $612 Task 2. Field Reconnaissance and Base Map Preparation A site visit of the study reach will be conducted to familiarize project staff with current conditions along the Smith Creek study reaches. This effort will include collection and preparation of photographic documentation of culverts, bridges, and other major structures in the study reaches. This effort will also include photographic documentation to verify the definition of Manning’s n values within the study reach. Consistent with the City of Fort Collins study, it is assumed that the “Post-flood” LiDAR topographic mapping (flown October, 2013) will be utilized as the base topography for the study reach identified for this scope of work. This topographic information was collected in UTM Meters, but will be converted into feet and vertically referenced to NAVD88 datum and horizontally referenced to the Colorado State Plane North coordinate system for this project. As part of this scope of work, the LiDAR data will be supplemented with field survey data to be collected by King Surveyors. This field survey data will include Exhibit A – Scope of Work & Budget (Continued) April 24, 2017 COFC2017.01_SmithCreek_SOW_5-10-2017.docx Page 3 of 6 Anderson Consulting Engineers, Inc. S. Shields Street culvert and structure survey information as, well as in-channel cross sections near key project locations. Aerial imagery, political boundaries and parcel data will also be collected and incorporated into the base map. Labor Cost .................... $1,213 Task 3. Duplicate Effective Condition Hydraulic Analyses During this task, duplicate effective hydraulic analyses will be conducted, for the Smith Creek hydraulic model, to ensure that the effective floodplain models have been obtained for the study reach. Hydraulic analyses associated with the duplicate effective conditions will include the 2-, 5- 10-, 50-, 100- and 500- year events. It has been assumed that the re-delineation of the effective 100-year floodplain boundaries will not be required for these analyses. However, tabular water surface profiles will be compiled, including comparison tables to identify differences in 100-year water surface elevations between the conditions analyzed, and included in the hydraulic report developed as part of Task 8. Labor Cost ....................... $681 Task 4. Corrected Effective Condition Hydraulic Analysis The corrected effective step will involve fixing any errors identified in the duplicate effective models. It is noted that the corrected effective model provided by City Staff will be utilized as the basis for this analysis. Any additional changes to the Corrected Effective model that are necessary will be completed (including but not necessarily limited to changes in geometric data, ineffective flow areas, culvert inverts, etc.). Based on conversations with City of Fort Collins Stormwater staff, structure information in the effective model is suspected to be incorrect. Therefore, the corrected effective condition modeling step will also include incorporation of structure survey data at the S. Shields Street crossing. To obtain the structure survey information, surveying services provided by King Surveyors has been included as part of this task. Hydraulic analyses associated with the corrected effective conditions will include the 2-, 5- 10-, 50-, 100- and 500-year events. Floodplain work maps will be prepared showing the corrected effective condition flood hazard boundaries, cross sections used in the hydraulic models, base flood elevations, and flood hazard designations. Tabular water surface profiles will be compiled, including comparison tables to identify differences in 100-year water surface elevations between the conditions analyzed, and included in the hydraulic report developed as part of Task 8. It is noted that in addition to the collection of Smith Creek survey data, this task also includes the collection of as-built data of the newly constructed pedestrian culvert along Fossil Creek under the Burlington Northern railroad. This task will be conducted to supplement the Fossil Creek hydraulic study and floodplain mapping. Labor Cost .................... $2,550 Surveying Services ........ $1,755 Exhibit A – Scope of Work & Budget (Continued) April 24, 2017 COFC2017.01_SmithCreek_SOW_5-10-2017.docx Page 4 of 6 Anderson Consulting Engineers, Inc. Task 5. Existing/Pre-Project Condition Hydraulic Analysis It is anticipated that additional cross sections will need to be added to the corrected effective models to facilitate the evaluation of proposed improvements. These additional cross sections will be added as part of an existing condition model that will also serve as the pre-project condition for the evaluation of proposed improvements. Hydraulic analyses associated with the existing condition analyses, for Smith Creek, will include consideration of the 2-, 5-, 10-, 50-, 100-, and 500-year events. Floodplain work maps will be prepared showing the existing condition flood hazard boundaries, cross sections used in the hydraulic models, base flood elevations, and flood hazard designations. Graphical flood profiles will be prepared in accordance with City of Fort Collins specifications. Tabular water surface profiles will be compiled, including comparison tables to identify differences in 100-year water surface elevations between the corrected effective and existing conditions. This information will be summarized in the floodplain modeling report developed as part of Task 8. Labor Cost .................... $1,257 Task 6. Conceptual Hydraulic Evaluation of Proposed Improvements In coordination with Interwest Consulting Group, the City of Fort Collins Park Planning and Development Department, and others as necessary; an iterative process will be utilized to develop and evaluate the conceptual configurations of the proposed trail improvements and bridge crossings. It is assumed that the proposed improvements will largely consist of at grade pedestrian trails and breakaway pedestrian bridge crossings. This Scope of Work assumes one iteration will be performed with the intention of identifying a configuration that will meet the needs of the trail project design team and that will adhere to the floodplain requirements of the City of Fort Collins. Based on lessons learned from previous projects, this task will also include analyses of more frequent, lower discharge flow events (i.e., 5-year, 2-year, average annual, etc.) for trail inundation and bridge crossings, where necessary. Results of this task will be utilized in the selection of a final site improvement configuration. Labor Cost .................... $1,088 Task 7. Proposed Project Condition Hydraulic Analysis Based on the information developed as part of Task 6, Interwest Consulting Group will develop a final site plan consisting of proposed bridge crossings, proposed trail configuration, proposed grading plan, and pertinent design detail to support the proposed project modeling efforts. The existing condition model will be updated to reflect the final design configuration and analyzed hydraulically to ensure compliance with all floodplain criteria. For this scope of work, it is assumed that the final design configuration will not adversely impact private property owners with respect to existing/pre-project conditions. Hydraulic analyses associated with the proposed project condition will include consideration of the 2-, 5- 10-, 50-, 100-, and 500-year events. Floodplain work maps will be prepared showing the proposed project flood hazard boundaries, cross sections used in the hydraulic models, base flood elevations, and flood hazard designations. Graphical flood profiles will be prepared in accordance with City of Fort Collins specifications. Tabular water surface profiles will be compiled, including comparison tables to identify Exhibit A – Scope of Work & Budget (Continued) April 24, 2017 COFC2017.01_SmithCreek_SOW_5-10-2017.docx Page 5 of 6 Anderson Consulting Engineers, Inc. differences in 100-year water surface elevations between the existing and proposed project conditions. This information will be summarized in the floodplain modeling report developed as part of Task 8. Labor Cost .................... $2,316 Task 8. Preparation of Floodplain Modeling Report Results from the hydraulic analyses and floodplain mapping will be incorporated into a hydraulic report to be prepared for the Lang Gulch and Smith Creek trail projects. The report will document all hydraulic analyses and floodplain mapping associated with all scenarios defined in Tasks 3 through 7. The report will include all floodplain work maps, graphical flood profiles, tabular water surface profiles, and water surface profile comparisons. The recently adopted “City of Fort Collins Floodplain Modeling Report Submittal Guidelines” will be followed to develop this report. This report will be utilized to procure a floodplain use permit from the City and County for the proposed project. Effort to prepare the floodplain use application and no-rise certification have been included in this task. This task assumes that a draft version of the hydraulic analyses and floodplain mapping report will be submitted to the City of Fort Collins and Larimer County for review and comment. Based on past experience, it is difficult to anticipate the budget required to address review comments. Therefore, addressing review comments generated by the City of Fort Collins and Larimer County will be completed if budgetary reserves are realized. However, if budgetary reserves are not realized, addressing review comments from the City will be conducted on a time and materials basis as part of a change order to this Scope of Work. It is noted that the City floodplain permit and review fee of $1,000 has been included as part of this task. Labor Cost .................... $3,939 Review Fees .................. $1,050 Task 9. Post-Project/As-Built Condition Hydraulic Analyses Upon project completion, post-project/as-built survey data will be collected (by others) and submitted to ACE for use in the post-project/as-built hydraulic analyses. The proposed condition model will be updated to reflect the post-project/as-built survey data and analyzed to ensure compliance with all floodplain criteria. For this scope of work, it is assumed that the post-project/as-built configuration will not differ greatly from the proposed condition, nor adversely impact private property owners with respect to the proposed condition. Hydraulic analyses associated with the post-project/as-built project condition will include consideration of the 2-, 5- 10-, 50-, 100-, and 500-year events. Floodplain work maps will be prepared showing the post- project/as-built project flood hazard boundaries, cross sections used in the hydraulic models, base flood elevations, and flood hazard designations. Graphical flood profiles will be prepared in accordance with City of Fort Collins specifications. Tabular water surface profiles will be compiled, including comparison tables to identify differences in 100-year water surface elevations between the existing and post- project/as-built conditions. This information will be summarized in the post-project/as-built floodplain modeling report developed as part of Task 10. Labor Cost .................... $1,896 Exhibit A – Scope of Work & Budget (Continued) April 24, 2017 COFC2017.01_SmithCreek_SOW_5-10-2017.docx Page 6 of 6 Anderson Consulting Engineers, Inc. Task 10. Preparation of Post-Project/As-Built Floodplain Modeling Report The pre-project Floodplain Modeling Report completed as part of Task 8 will be updated to include the post-project/as-built hydraulic analyses completed as part of Task 9. The report will include all floodplain work maps, graphical flood profiles, tabular water surface profiles, and water surface profile comparisons. This task assumes that a draft version of the hydraulic analyses and floodplain mapping report will be submitted to the City of Fort Collins and Larimer County for review and comment. Based on past experience, it is difficult to anticipate the budget required to address review comments. Therefore, addressing review comments generated by the City of Fort Collins and Larimer County will be completed if budgetary reserves are realized. However, if budgetary reserves are not realized, addressing review comments from the City will be conducted on a time and materials basis as part of a change order to this Scope of Work. It is noted that the City floodplain permit and review fee of $1,000 has been included as part of this task. Labor Cost .................... $2,592 Review Fees .................. $1,000 Task 11. Meetings and Coordination Coordination between Interwest Consulting Group, the City of Fort Collins Park Planning and Development and Stormwater Departments, and Anderson Consulting Engineers (ACE) staff will be required throughout the duration of this project. This task includes up to two meetings between ACE staff, Interwest Consulting Group, and the City of Fort Collins to discuss issues related conceptual site improvement configurations and overall project development. Non-meeting based coordination will be conducted on an as-needed basis throughout the project. Labor Cost .................... $1,039 PROJECT COST SUMMARY: Total Labor Cost ...................... $19,183 City Review Fees ....................... $2,050 Surveying Services .................... $1,755 TOTAL COST ............................ $22,988 5/10/2017 BUDGET for the HYDRAULIC ANALYSIS AND FLOODPLAIN MODELING REPORT SUBMITTAL FOR THE SMITH CREEK TRAIL PROJECT PROJECT: Smith Creek Trail Project Anderson Consulting Engineers, Inc. CLIENT: City of Fort Collins Park Planning and Development Direct Labor ODC's Totals Senior Senior Senior Project Senior ACE PROJECT NO.: COFC2017.01A Principal Engineer Engineer Engineer GIS/CADD Admin. Other PREPARED BY: JDD/TRR Engineer II I II Technician Direct DATE: 04/19/2017 $180/hr $110/hr $105/hr $96/hr $85/hr $65/hr Costs 180 110 105 96 85 65 Task/Description Hours Hours Hours Hours Hours Hours Cost Hours Cost 1. Data Collection and Review of Existing Information 4 2 $0 6 $612 2. Field Reconnaissance and Base Map Preparation 4 8 $25 12 $1,213 3. Duplicate Effective Hydraulic Analysis 1 6 $0 7 $681 4. Corrected Effective Hydraulic Analysis 6 20 $0 26 $2,550 5. Existing/Pre-Project Condition Hydraulic Analysis 1 12 $0 13 $1,257 6. Conceptual Hydraulic Evaluation of Proposed Improvements 1 2 8 $0 11 $1,088 7. Proposed Project Condition Hydraulic Analysis 12 11 $0 23 $2,316 8. Preparation of Floodplain Modeling Report 1 1 21 14 $100 137 $3,939 9. Post-Project/As-Built Condition Hydraulic Analyses 8 11 $0 19 $1,896 10. Preparation of Post-Project/As-Built Floodplain Modeling Report 1 1 10 12 $100 124 $2,592 11. Meeting and Coordination 6 4 $25 10 $1,039 $635 $1,120 $2,050 TOTAL PROJECT HOURS 2 3 75 108 0 0 188 TOTAL PROJECT BUDGET $360 $330 $7,875 $10,368 $0 $0 $250 $22,988 Outside Services King Surveyors Inc. - Smith Creek Survey City Review Fees King Surveyors Inc. - Fossil Creek As-Built Survey COFC2017.01 - Smith Creek Budget 2017-05-10.xlsx ID Task Name Duration Start Finish 1 Project Duration 316 days Mon 5/15/17 Mon 7/30/18 2 1. Data Collection and Review of Existing Information 2 days Mon 5/15/17 Tue 5/16/17 3 2. Field Reconnaissance and Base Map Preparation 3 days Wed 5/17/17 Fri 5/19/17 4 3. Duplicate Effective Hydraulic Analysis 2 days Mon 5/22/17 Tue 5/23/17 5 4. Corrected Effective Hydraulic Analysis 4 days Wed 5/24/17 Mon 5/29/17 6 5. Existing/Pre-Project Condition Hydraulic Analysis 2 days Tue 5/30/17 Wed 5/31/17 7 6. Conceptual Hydraulic Evaluation of Proposed Improvements 5 days Tue 5/30/17 Mon 6/5/17 8 7. Proposed Project Condition Hydraulic Analysis 2 days Tue 6/6/17 Wed 6/7/17 9 8. Preparation of Floodplain Modeling Report 5 days Thu 6/8/17 Wed 6/14/17 10 9. Project Construction (Completed by Others) 220 days Tue 8/1/17 Mon 6/4/18 11 10. Post-Project/As-Built Condition Hydraulic Analyses 30 days Tue 6/5/18 Mon 7/16/18 12 11. Preparation of Post-Project/As-Built Floodplain Modeling Report 10 days Tue 7/17/18 Mon 7/30/18 13 12. Meeting and Coordination 316 days Mon 5/15/17 Mon 7/30/18 4/30 5/7 5/14 5/21 5/28 6/4 6/11 6/18 6/25 7/2 7/9 7/16 7/23 7/30 8/6 8/13 8/20 8/27 9/3 9/10 9/17 9/24 10/1 10/8 0/1 0/2 0/2 11/5 1/1 1/1 1/2 12/3 2/1 2/1 2/2 2/3 1/7 1/14 1/21 1/28 2/4 2/11 2/18 2/25 3/4 3/11 3/18 3/25 4/1 4/8 4/15 4/22 4/29 5/6 5/13 5/20 5/27 6/3 6/10 6/17 6/24 7/1 7/8 7/15 7/22 7/29 8/5 May June July August September October November December January February March April May June July 2018 Primary Effort Intermittent Effort Summary PROJECT SCHEDULE for the HYDRAULIC ANALYSIS AND FLOODPLAIN MAPPING REPORT SUBMITTAL FOR THE SMITH CREEK TRAIL PROJECT Project: COFC2017.01 Project Schedule Date: Wed 5/10/17 2015 Fee Schedule.docx Anderson Consulting Engineers, Inc. 2015 CITY OF FORT COLLINS FEE SCHEDULE Anderson Consulting Engineers, Inc. Civil • Water Resources • Environmental Labor Category Hourly Rate Senior Principal Engineer $180.00 Principal Engineer $175.00 Senior Project Manager $140.00 Project Manager $125.00 Senior Engineer/Scientist II $110.00 Senior Engineer I $105.00 Project Engineer II $96.00 Project Engineer I $87.00 Engineer $82.00 Senior GIS/CAD Technician $85.00 GIS/CAD Technician $80.00 Administration $74.00 Administrative Assistant $65.00 Other Directs Costs Airfare …..……........ @ cost In-house B&W Copies $0.10/copy Mileage ……..……… See Note below In-house Color Copies $1.00/copy Meals/Lodging ….. See Note below In-house B&W Plotter $5.00/plot In-house Color Plotter $10.00/plot Mileage and meals/lodging will be charged in accordance with Fort Collins Expense Guidelines (May 1, 2015) All other direct costs such as communications, equipment rental, materials, laboratory services, shipping and reproduction will be charged at cost.