ATTACHMENT A
To
AGREEMENT FOR PROFESSIONAL ENGINEERING SERVICES
For
WATER FACILITIES MASTER PLAN
OWNER: CITY OF LAWRENCE, KANSAS
Lawrence, Kansas
ENGINEER: BURNS & McDONNELL ENGINEERING COMPANY, INC.
Kansas City, Missouri
BACKGROUND
ENGINEER will conduct an evaluation of the existing wastewater collection and treatment systems and prepare a Wastewater Master Plan (Project) for improvements to serve development planned through year 2030. ENGINEER will serve as OWNER’s technical consultant and will perform engineering services required for the Project. Design years for the Project are Existing Development (2010), 2020 and 2030 to match OWNER’s growth projections.
SCOPE OF SERVICES
The Scope of Services to be provided by ENGINEER is as follows:
1. Initial Services to include the following tasks (360 hours, $50,092)
1.1. Project Team will meet with OWNER to conduct a project kick-off meeting. Meeting purposes will include review of Project team, goals, scope, schedule, study area, and sources of and availability of information. 20 hours
1.2. Prepare a Project Control Plan to document Project Schedule, Scope of Work, and Project Team contact information, and communication plan. 6 hours
1.3. Collect and organize information from OWNER that will be used to develop subsequent tasks. The information will include previous reports, wastewater treatment plant and lift station operating records, mapping information, facility inventories, staffing and equipment inventories, as-built drawings, user complaint and overflow/backup information, water and sanitary sewer billing records, CCTV inspection and line cleaning history, flow monitoring data, collection system asset data, population, planning information, and other information as determined during and after the kick-off meeting. 54 hours
1.4. Assist OWNER in selecting a dynamic modeling program for the Project and OWNER’s ongoing use for the wastewater and potable water systems. Contact software vendors for current information. Prepare a summary matrix describing various commercially available dynamic models including their basic features and costs. Discuss with OWNER suitability of available models and modules for OWNER’s objectives and select models for further consideration. Discuss with OWNER required number of seats and/or licenses for proper utilization by OWNER. Attend demonstration by software vendors arranged by OWNER and assist OWNER in making the final selection. Cost proposal excludes software and licensing costs. 16 hours
1.5. Characterize Study Area Growth and Development including the following subtasks 96 hours:
1.5.1 Conduct meeting with OWNER to review Urban Growth Boundary, potential growth areas beyond Urban Growth Boundary, and OWNER’s population and employment projections in the Horizon 2020 and T2030 reports. 70 hours
1.5.2 In consultation with OWNER, review existing GIS layers for planning boundaries and information, TAZs, population projections, land use, and base map layers, 2006 2-ft topography and NRCS soils, and tributary basins and sub-basins for existing development and growth areas. 26 hours
1.5.3 OWNER shall provide population growth projections to ENGINEER at the conclusion of the Public Participation Phase (see item 1.6). Projections to be provided in GIS format by tributary basin and sub-basin for selected growth scenarios. Zero hours
1.6. Public Participation Services. Current fee limited to 60 manhours by the ENGINEER 60 hours:
1.6.1 Consult with OWNER regarding establishing a stakeholders and/or public input program for the Project. 14 hours
1.6.2 Prepare materials for and conduct informational meetings with the stakeholders and/or public input meetings regarding the Project. 28 hours
1.6.3 Provide a summary of conclusions and recommendations as determined by the public to the OWNER. 18 hours
1.7. Prepare and submit Technical Memorandum No. 1 summarizing the activities for this task. 108 hours
2. Wastewater Collection System Evaluation to include the following subtasks 1181 hours, $150,311:
2.1. Wastewater Flows and Loads Projections to include the following tasks 180 hours:
2.1.1 Prepare GIS exhibit of the City’s flow and rain gauging locations, drainage areas, and assignment of rain data to metering areas. Prepare flow monitoring area diagram. Utilize flow and rain data collected by OWNER to determine, for each monitoring site, average dry weather flow, peak dry weather flow, dry weather diurnal pattern, wet weather infiltration, peak wet weather flow for significant rainfall events and relationship between rainfall and inflow. Determine flow parameters by subtraction for interior basins. Rank metering areas by the infiltration and inflow rates per inch-diameter-mile of sewer. 76 hours
2.1.2 Project wastewater flows and loads by sub-basin for design years 2020 and 2030. 20 hour.
2.1.3 Assign projected flows to tributary areas for the hydraulic model. Estimate projected flows for each scenario to each wastewater treatment plant. 18 hours
2.1.4 Prepare and submit Technical Memorandum No. 2 summarizing the activities for this task. 66 hours
2.2. Prepare dynamic hydraulic model to include the following subtasks 822 hours:
2.2.1 Inventory existing sewer collection system facilities to be modeled in ESRI GIS format and import the data into the hydraulic model software. The model will include existing manholes, sanitary sewers, lift stations, and force mains in OWNER’s GIS exclusive of building connections. Provide OWNER results of queries on the GIS inventory for missing or inconsistent data or manhole numbering issues for OWNER to correct. Prepare linkage to the selected model software and create existing system model. Add modeling information not in GIS including lift station data, friction coefficients, flow diversions, equalization basins, etc. as provided by OWNER. Submit model plot and data summary tables for OWNER review 194 hours.
2.2.2 Prepare a GIS layer of future manholes, trunk sewers, lift stations and force mains to extend service to growth areas. Determine slopes and depths from topography, and link to model 36 hours.
2.2.3 Prepare dry weather flow allocation methodology for existing and future areas and assign flows to the model for existing development and growth scenarios 60 hours.
2.2.4 Conduct dry weather and wet weather capacity analyses for existing year 2010 flows. Adjust model for acceptable dry weather calibration and wet weather calibration. Conduct a verification analysis on the calibrated model to check adequacy under a second wet weather condition 84 hours.
2.2.5 Identify current collection system capacity deficiencies and discuss known bottlenecks with OWNER. Determine required relief sewers, lift station and force main improvements, and extension sewers 66 hours.
2.2.6 Conduct a series of future system analyses for growth scenarios to determine flows to treatment and required relief sewers, lift station and force main improvements, and extension sewers under each scenario 82 hours.
2.2.7 Identify alternatives to optimize flows to available and future treatment capacity 38 hours.
2.2.8 Conduct one meeting with OWNER to review hydraulic model results 20 hours.
2.2.9 Prepare final analyses and identify key elements of a phased capital improvement plan 66 hours.
2.2.10 Describe procedures for future hydraulic model updates 44 hours.
2.2.11 Prepare and submit Technical Memorandum No. 3 summarizing the activities for this task. 132 hours
2.3. Develop a rehabilitation/replacement plan to include the following subtasks: 179 hours
2.3.1 Develop a rehabilitation plan to incorporate existing data regarding sub-basin infiltration/inflow, completed lining projects, sewer age and material, records from City’s electronic maintenance system, and discussions with OWNER personnel regarding known or suspect problem areas. The plan will prioritize areas, categories of sewer pipes, and specific lines of concern for future rehabilitation or replacement projects. In consultation with OWNER determine proposed funding level 93 hours.
2.3.2 Prepare and submit Technical Memorandum No. 4 summarizing the activities for this task 86 hours.
3. Capital Improvements Program development to include the following tasks 196 hours, $25,835:
3.1. Identify CIP Projects List – Based on the wastewater collection system, determine a listing of logical capital improvement projects. The need for each project will be described with associated flow or development triggers. Document the criteria and conditions that trigger facility expansions. Explain how the Capital Improvements Program can be adjusted in future years for changes in planning, actual development, rehabilitation/replacement successes, and/or future flow data. 78 hours
3.2. Prepare CIP Cost Opinions – The ENGINEER will prepare probable project costs and annual O&M costs based on 2009 dollars, including allowances for construction costs, engineering, administration, and contingencies 22 hours.
3.3. Develop CIP Schedule – A project schedule, tied to flow/development triggers, will be prepared by the ENGINEER prioritizing the recommended improvements. Input will be provided by the City for this task. A flow/development trigger for the design and construction of a new treatment facility will also be provided based on the capacity of the Kansas River Wastewater Treatment Plant as provided by OWNER 12 hours.
3.4. Consult with KDHE on the potential effluent standards for the Kansas River Wastewater Treatment Plant and the planned Wakarusa Water Reclamation Facility within the planning period. Identify a trigger for construction of the Wakarusa Plant or nutrient removal upgrades at the Kansas River plant. The ability to provide a trigger is contingent on adequate information being made available by KDHE 4 hours.
3.5. Prepare final analyses and identify a phased capital improvement plan. Prepare opinions of probable costs for collection system CIP elements 24 hours.
3.6. Prepare and submit Technical Memorandum No. 5 summarizing the activities for this task. 56 hours
4. Project Management, Report, Training and Other Services to include the following tasks 346 hours, $49,958:
4.1. Project Website Maintenance and Operation – Establish a project website using Microsoft SharePoint software for OWNER and ENGINEER use. The website purpose is to facilitate team communications and to centralize Project-related data, memoranda, reports and data collected during the project. ENGINEER will maintain the website for use by the project team. The website will be reviewed regularly and adjustments made if necessary. 10 hours
4.2. Provide Project Management services. Management of the project team will be conducted by the ENGINEER’s designated Project Manager with assistance from others including the Task Managers. This task will include general management of the project and project team including coordination of the project team, coordination/monitoring of Project activities, and general coordination and communication with City staff, review of Project costs and billings, preparation of invoices, preparation of monthly status reports (as required), and general correspondence. 80 hours
4.3. (Not Used)
4.4. Prepare and submit five (5) copies of a draft Executive Summary for the Final Report. The Executive Summary will be a stand-alone document intended for the non-technical reader interested in overall master planning concepts, findings, and recommendations. The City will provide review comments to the ENGINEER. City comments will be discussed and incorporated into the Executive Summary 24 hours.
4.5. Prepare Draft and Final Report – Prepare and submit five (5) copies of the preliminary Final Report comprised of the submitted Technical Memoranda and Executive Summary and OWNER comments. The master plan will include a narrative providing rationale and supporting documentation for all key decisions made, and a phased capital improvement plan with triggers and opinions of probable costs. The City will review the report and provide comments to the ENGINEER. City comments will be discussed and incorporated. Prepare and submit ten (10) copies of the Final Report and ten (10) copies of the Executive Summary to OWNER. Provide electronic files of the Final Report on CD. Computer models will also be provided to OWNER. 150 hours plus 12 hours for Presentation to City Commission.
4.6. GIS Data Deliverable – The ENGINEER will prepare and provide to OWNER one (1) 9.3 or compatible version Personal Geodatabase of GIS files modified or created for the Project, for the OWNER to load into OWNER’s GIS environment 20 hours.
4.7. Provide Hydraulic Model Delivery and training Workshop – Hydraulic model and associated files and model results documentation will be provided to OWNER to be loaded onto OWNER’s computer network. A two-day workshop will be conducted to instruct OWNER personnel in use of the selected software, and to review the construction and design of each model, linkage to the GIS layers, steps to using the model for future analyses and steps to keeping the model updated. Discussion will include requirements for updating GIS files required for the model such as growth planning and system inventory files. (Additional training in model use can be provided as supplemental services or secured from the software vendor) 50 hours.
5. OWNER will provide, in connection with this Authorization, the following:
5.1. Copy of any correspondence with KDHE related to the Project.
5.2. Any other required information and prompt review of draft technical memoranda.
5.3. Assistance by placing at ENGINEER’s disposal all available information pertinent to the assignment, including previous reports and any other data relative thereto. ENGINEER shall rely on information made available by the OWNER as accurate without independent verification.
5.4. Electronic copy of necessary GIS Data for the Project. OWNER represents that the data sets provided by OWNER are complete and accurate. Any field verification or data validation will be provided by OWNER. Necessary GIS data includes the following:
5.4.1 Sanitary Sewer System Facilities information required for the hydraulic model, including manholes, sewer lines, lift stations and wet wells, force mains (merged to single lines), and outlet to the WWTP. All entities will have unique ID’s and be attributed with their data. OWNER will attribute lift station records with data required for the pumps and wet-well.
5.4.2 Maintenance Management History records (GBA Master Series) for sewer maintenance for the past 5 years. OWNER will extract history records to GIS format and attribute manhole and sewer pipe records with the total number of events by type of maintenance.
5.4.3 Planning information including Existing and Future Land Use information, City Limits and Growth Area Boundaries, drainage basins and sub-basins, and TAZ or other population projection areas attributed with available past and projected populations. OWNER will overlay planning information layers and attribute sub-basins with total land use by major use type, existing and projected populations, and total acreage.
5.4.4 Base mapping information for use in preparing report exhibits and layout of new sewers including but not limited to roads and highways, waterways, urban boundaries, 2006 elevation contours (2-foot), and NRCS soils.
5.4.5 Other base GIS information in OWNER’s files that may be deemed necessary during the Project.
5.5. Electronic copy of rainfall and flow monitoring data collected by the OWNER in support of the planning process. OWNER represents that the data is accurate and suitable for use in developing and calibrating the system hydraulic model. Additional costs associated with obtaining additional flow and rainfall data or extensive post processing of existing data is excluded.
5.6. Provide OWNERs most recent population growth and development projections and assist ENGINEER in developing a range of realistic growth scenarios. OWNER will provide existing ultimate build-out population projection from planned land use and population densities. OWNER will review projected growth as developed through Public Participation by sub-area to refine the projected timing and location of growth, according to potential agreed-on development needs, development timing, available utilities, and other influences, and provide projected growth in GIS format.
5.7. Electronic Maintenance Management History records (GBA Master Series) for sewer maintenance for the past 5 years in GIS format, to include total counts of sewer maintenance events by type for each pipe and manhole.
5.8. Record drawings of the OWNER’s existing collection system.
5.9. Operating records for the wastewater treatment plant and lift stations.
5.10. City growth projections and information describing planned development.
5.11. Land use plan.
5.12. Annexation plan.
5.13. Access to public and private property for the purpose of conducting field investigations.
5.14. Field and office investigations on request of ENGINEER to verify facilities inventory data.
5.15. Excavation of buried manhole lids and surface restoration as required for manhole GPS location surveys and/or condition inspections.
5.16. Purchase of one or more copies of selected software for use on the Project.
6. The following services may be provided at the OWNER’s request but are currently excluded from the project Scope and Fee:
6.1. Assist OWNER in communicating with state or federal regulators regarding the sanitary sewer system.
6.2. Provide design, bidding assistance, and construction phases services for recommended improvements.
6.3. Provide flow and rainfall monitoring services.
6.4. Provide system inspection and condition assessment services for wastewater collection or treatment facilities.
6.5. Review ordinances associated with new developments and potential impacts of “leap frog” development and provide a summary of these impacts.
6.6. Complete an analysis of the existing development charges and fees to determine if the level of charges that are passed on to developers covers the costs associated with system expansions.
6.7. Determine required liquids and solids treatment technologies considering current permit requirements, current facilities, future regulatory impacts, available expansion area, and projected flows. Evaluate operational issues related to additional facilities.
6.8. Develop a five-year financial forecast of OWNER’s sanitary sewer system operating results to determine whether current sewer rates will provide adequate revenues and to target annual revenue requirements. The forecast will also include projections for 2015, 2020, 2025, and 2030. The forecast will include development of a five-year pro forma cash flow analysis. This analysis will calculate annual net operating margins and total net margins, including projections of any net non-operating margins. The total projected annual net margins will provide an indication of whether the existing sewer rates will generate sufficient revenues to cover the system’s costs for each year of the forecast period and whether an overall revenue adjustment is necessary.
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