TIC 2018-03-26 Item 2B - Contract Amendment #2 - GIS Services for Water, Sanitary Sewer and Surface Water

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2.5 Change Management Project Managers from CLIENT and CONSULTANT are responsible for managing changes to the scope and schedule. CLIENT is responsible for the authorization of any changes to the scope, budget, and/or schedule. Team members must ensure that work within their areas remains within the defined project scope, schedule, and budget. When issues, actions, or circumstances occur that could cause a change in scope, personnel, cost, or schedule, team members must communicate potential changes to the Project Manager as early as possible. Project Managers will determine whether the potential change issue will lead to a change in scope, cost, or schedule. CONSULTANT shall obtain written authorization from CLIENT before implementing any change to this Scope of Services, schedule, or budget. All changes will be documented using the Project Change Form. TASK 300 SANITAI"Y SE\'m El!' GIS INVENT° pr Y 3.1 Field Review CONSULTANT will conduct an existing as-built/GIS review at the outset of the project to identify key field conditions that may impact the field mapping including safety, traffic and access issues. The procedures required to complete the field survey will be determined and safety risks will be analyzed. Structures requiring subconsultant assistance for traffic control to survey will be identified and will be scheduled to be completed with other structures requiring traffic control. Coordinate with traffic control subconsultant. Prepare traffic control plans when needed. 3.2 Data Collection CONSULTANT will field survey the location and collect attributes for up to 50 Sanitary Sewer Manholes and there accompanying pipes. Photographs and supplemental measurement data sheets will be collected to support project deliverables. Structure sizes and depths, pipe sizes and invert elevations, etc. will be measured in the field so that necessary database attribute information can be completed. Field measurement data will be collected electronically in the field, which will update the GIS database electronically from the field. Additionally, hard copy structure cards will be completed in the field with the same measurements so that a quality control check of the information collected electronically in the field can be performed. CONSULTANT will use CLIENT provided GIS database structure. 3.3 Sanitary Sewer As -Built Research CONSULTANT will review research on existing utility information, provided by CLIENT, for inclusion in the mapping. Where possible CONSULTANT will use provided as -built records to prepare and pre -enter attribute information to be field verified. This will make the field effort more efficient. 3.4 Geodatabase Update CONSULTANT will utilize its field surveyed information, and the as -built research to update the CLIENT's existing Geodatabase GIS files. CONSULTANT will include metadata for the Geodatabase updates. Deliverables: Electronic copy of the updated Geodatabase City of Tukwila Sanitary Sewer and Surface Water GIS Inventory and Update Scope of Services March 12, 2018 48