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Mass Highway Department (MHD) Design Process

Mass Highway Department (MHD) Design Process. Anticipate possible use of MHD funds New Design Guide for Project Development (January 2006) - www.mhd.state.ma.us Flexibility Community Context Multi-Modal Transportation Transparent and Clear Project Development Guidelines.

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Mass Highway Department (MHD) Design Process

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  1. Mass Highway Department (MHD) Design Process • Anticipate possible use of MHD funds • New Design Guide for Project Development (January 2006) - www.mhd.state.ma.us • Flexibility • Community Context • Multi-Modal Transportation • Transparent and Clear Project Development Guidelines Articles 9 & 10, #7

  2. MHD Design Steps • Identification of project need • Project planning • Project initiation • Environmental/Design/ROW Process • Programming • Procurement • Construction Articles 9 & 10, #8

  3. Design/Environmental/ROW Articles 9 & 10, #9

  4. MHD 25% Preliminary Design • DESIGN • Survey data • Base (existing conditions) plans • Typical cross sections, horizontal & vertical geometrics • Sketch plans for bridges, tunnels & landscaping • Develop preliminary cost estimate, functional design report • ENVIRONMENTAL DOCUMENTATION AND PERMITTING • Local Agency Coordination, MEPA/NEPA • Preliminary resource area applications • PUBLIC OUTREACH • Early coordination • MHD Review of 25% design • MHD Public Hearing • 25% Design Approval by MHD Articles 9 & 10, #10

  5. MHD 75% Final Design • Refine horizontal and vertical geometry • Subsurface exploratory plan • Construction cross-sections and plans • Traffic management plan • Pavement design • Drainage design • Utility relocations • Construction plans and details • Update cost estimate • Complete environmental permitting • MHD Review of 75% design • 75% Design Approval by MHD Articles 9 & 10, #11

  6. MHD 100% Design and PS&E • Develop traffic control agreement with Town • Finalize construction plans • Finalize cost estimates • 100 Percent Plans, Specifications, and Estimate submittal Articles 9 & 10, #12

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