Mass Highway Department Mass Highway Department (MHD) Design Process(MHD) Design Process

Anticipate possible use of MHD fundsAnticipate possible use of MHD funds

New Design Guide for Project Development (January New Design Guide for Project Development (January 2006) - 2006) - www.mhd.state.ma.uswww.mhd.state.ma.us FlexibilityFlexibility Community ContextCommunity Context Multi-Modal TransportationMulti-Modal Transportation Transparent and Clear Project Development Transparent and Clear Project Development

GuidelinesGuidelines

Articles 9 & 10, #7

MHD Design StepsMHD Design Steps

Identification of project need Identification of project need Project planningProject planning Project initiationProject initiation Environmental/Design/ROW ProcessEnvironmental/Design/ROW Process ProgrammingProgramming Procurement Procurement Construction Construction

Articles 9 & 10, #8

Design/Environmental/ROWDesign/Environmental/ROW

Articles 9 & 10, #9

MHD 25% Preliminary DesignMHD 25% Preliminary Design DESIGNDESIGN

Survey dataSurvey data Base (existing conditions) plansBase (existing conditions) plans Typical cross sections, horizontal & vertical geometricsTypical cross sections, horizontal & vertical geometrics Sketch plans for bridges, tunnels & landscapingSketch plans for bridges, tunnels & landscaping Develop preliminary cost estimate, functional design Develop preliminary cost estimate, functional design

reportreport

ENVIRONMENTAL DOCUMENTATION AND PERMITTINGENVIRONMENTAL DOCUMENTATION AND PERMITTING Local Agency Coordination, MEPA/NEPALocal Agency Coordination, MEPA/NEPA Preliminary resource area applicationsPreliminary resource area applications

PUBLIC OUTREACH PUBLIC OUTREACH Early coordinationEarly coordination

MHD Review of 25% designMHD Review of 25% design MHD Public HearingMHD Public Hearing 25% Design Approval by MHD25% Design Approval by MHD

Articles 9 & 10, #10

MHD 75% Final DesignMHD 75% Final Design

Refine horizontal and vertical geometryRefine horizontal and vertical geometry Subsurface exploratory plan Subsurface exploratory plan Construction cross-sections and plansConstruction cross-sections and plans Traffic management plan Traffic management plan Pavement designPavement design Drainage designDrainage design Utility relocationsUtility relocations Construction plans and detailsConstruction plans and details Update cost estimateUpdate cost estimate Complete environmental permittingComplete environmental permitting

MHD Review of 75% designMHD Review of 75% design 75% Design Approval by MHD75% Design Approval by MHD

Articles 9 & 10, #11

MHD 100% Design and PS&EMHD 100% Design and PS&E

Develop traffic control agreement with Town Develop traffic control agreement with Town Finalize construction plansFinalize construction plans Finalize cost estimatesFinalize cost estimates 100 Percent Plans, Specifications, and Estimate 100 Percent Plans, Specifications, and Estimate

submittalsubmittal

Articles 9 & 10, #12