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SCOPE OF SERVICES CITY OFSANTAANA SANTA ANA BOULEVARD GRADE SEPARATION MARK TMGMAS require longer Limited Work Windows in Assumptions: addition to Absolute Work Windows, and 3) • The 35% Plans are anticipated to consist of an alternative that could eliminate the need the General Plan prepared for the Bridge to use Slide -In Bridge Construction. Type Selection Report and a Foundation • The rough order of magnitude construction Plan. cost estimate will be based on estimated • This scope assumes that the bridge costs per square foot. Detailed quantity drawings will be developed with traditional calculations and development of unit prices 2D linework, and Mark Thomas or others are not anticipated for this task. will use the 2D linework to develop 3D • This scope assumes one (1) round of models for visualization purposes. review comments from SCRRA and the • This scope assumes that the preferred City will be provided concurrently, or that alternative resulting from Task 8.2.1 is the City will review prior to submission to consistent with the general assumptions in SCRRA. this Scope of Work, and that the selected 8.2.2 Plan Preparation construction staging alternative will consist Biggs Card of constructing foundations outside of theosa will prepare plans and structural tracks and using Slide-In Bridge calculations for the railroad bridge. Plans are Construction methods. anticipated to include a General Plan, General 0 Structural calculations will be prepared in Notes, Foundation Plan, Bent and Abutment accordance with AREMA, SCRRA design Layouts, Staged Construction Details, and detail criteria, and Caltrans manuals. Structural sheets. calculations will be submitted at the 65% The following sheets (and number of sheets) are milestone (Draft), reconciled with the anticipated for the Santa Ana Boulevard independent structural check calculations, Underpass: and then a Final set of structural • General Plan (1) calculations will be prepared. The Final Structural Calculations will be signed and • Typical Sections (1) sealed by a licensed engineer in the State • General Notes (2) of California. • Construction Staging (8) Biggs Cardosa will supply plans and • Foundation Plan (1) structural calculations for inclusion in the • Abutment& Bent. Layouts and Details (8) SCRRA submittal packages at the City- • Girder Layout& Details (6) specified milestone submittal (e.g. the 65% • Bearing Details (2) plans will be packaged by other into a 60% • Walkway Details (1) SCRRA submittal). • Waterproofing Details (1) • Comments received on a milestone • Deck Drain Details (1) submittal will be addressed at the • Architectural 1 Aesthetic Details (2) subsequent submittal. This scope does not • Approach Slab Details (2) assume preparation of Draft 65% Plans • Total Sheets: 36 and Final 65% Plans, for example. To maintain independence for the check 8.2.3 Independent Check calculations, Biggs Cardosa recommends that the An independent design check of the rail bridge will 65% structural calculations be transmitted to the be performed in conformance with Caltrans Bridge City and SCRRA (if required), but the independent Design and Details Manual and SCRRA standards review team should not review until both firms are and design manuals. Calculations will be ready to reconcile structural calculations. performed to check the bridge layouts and structural integrity. Upon completion of the independent check, discrepancies between the