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Lunch

Lunch. Bryan District Average Construction Cost. Grade Separation $ 10 Million 2 Lane to 4 Lane $ 2.3 Million/ Mile 2 Lane to Super 2 (passing zones) $ 1 Million/ Mile Signal $ 100,000 Freeway – Controlled Access $ 10 Million/ Mile. Programming - Strategies.

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Lunch

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  1. Lunch

  2. Bryan District Average Construction Cost • Grade Separation • $ 10 Million • 2 Lane to 4 Lane • $ 2.3 Million/ Mile • 2 Lane to Super 2 (passing zones) • $ 1 Million/ Mile • Signal • $ 100,000 • Freeway – Controlled Access • $ 10 Million/ Mile

  3. Programming - Strategies • Gather data from similar projects • Cost/ mile equivalents • Original plans • TxDOT’s – Roadway Design Manual • “Green Book” (Policy on Geometric Design of Highways and Streets • TxDOT’s – Bridge Design Manual • Site visit • note existing structures • consider topography • Bid tabs and Estimator

  4. General Estimate • Prepare ROW (Item 100) • Pavement • Structures • Bridges • Culverts/ Inlets/ Storm sewer • Items 462 through 466 • Retaining walls • Item 423 • Embankment/ Excavation (Item 132/110) • Signals • Contingency (15-20% subtotal 1) • Mobilization (10% subtotal 2)

  5. Items • ftp://ftp.dot.state.tx.us/pub/txdot-info/des/specs/specbook.pdf (2004 Spec Book) • http://www.dot.state.tx.us/business/avgd.htm (state wide and region specific) • http://www.dot.state.tx.us/insdtdot/geodist/bry/cserve/bidprice/s_0101.htm (Bryan District Low Bid)

  6. Pavement • Main lane • $90/ SY (Flexible) • Frontage/ Ramps • $65/ SY (Flexible) • Urban Arterial • $80/ SY (Rigid)

  7. Structures(400 Items) • Culverts (Item 462) • Reinforced Concrete Pipe (Item 464) • Inlets/ Manholes (Item 465) • Headwalls/ Wingwall (Item 466) • Safety End Treatment (Item 467) • Retaining Walls (Item 423)

  8. Estimating Bridge Type http://www.txdot.gov/business/contractors_consultants/bridge/super_design.htm

  9. Bridge Design Manual Chapters 4 & 5

  10. Bryan District Average Tx Girder = 75/$SF Bryan District Tx Girder Structure = $75/(sq. ft)

  11. Estimator supports generation of cost estimates using cost-based and bid-based techniques. Regional information

  12. Accounts for quantity

  13. Wow! what a great program… but where can I get a copy? • http://www.dot.state.tx.us/business/projects/estimator.htm

  14. Construction Cost = $ 5.9 Million

  15. Construction Bid = $ 20 Million

  16. Estimate = $23.3 Million

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