Final Environmental Impact Report - Whittier Bridge/I-95 ...

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If you have questions, comments, or concerns regarding the content of this memorandum, please contact me directly at 617-973-7558 or richard.g.murphy@DOT.state.ma.us. RM Cc: Michael O’Dowd., P.E., ABP Project Manager
Appendix 1 – Tables 1, 2, and 3 Table 1. Pertinent “Current Effective” HEC-2 Model Data Parameter Attributes Model Reach Length 28,200 Feet Ave Channel Length Between 4700 Feet Cross Sections No Of Model Cross Sections 7 Ave. Cross Section Length 1820 Feet Manning’s N Channel (All Cross 0.04 Sections) Manning’s N Overbanks (All Cross 0.075 Sections Coefficient Of Contraction (All 0.3 Cross Sections Coefficient Of Expansion (All 0.4 Cross Sections) Upstream Water Surface 13.6 Feet, NGVD Boundary Condition Downstream Water Surface 8.7 Feet, NGVD (10-Year Tidal Boundary Condition Flood Elevation, Newburyport, MA) Upstream Peak Discharge Flow 115,000 Cubic Feet Per Second Input Table 2. Pertinent Existing <strong>Bridge</strong> Geometric Parameters Incorporated In “Pre- Project (Existing) Conditions” HEC-RAS Model Parameter Attributes Total Clear Span Length 1144 Feet No. Of Spans 5 Span Length Distribution Span 5 North 198 Feet Span 4 308 Feet Span 3 198 Feet Span 2 220 Feet Span 1 South 220eet Superstructure Depth Span 5 North 31.4 Feet Span 4 6.5 Feet Span 3 31.4 Feet Span 2 31.4 Feet Span 1 South 31.4 Feet Superstructure Deck Width, 110 Feet Perpendicular To Current No. of Piers 4 Pier 4 (North) 12.0 Pier 3 12.0 Pier 2 10.5 Pier 1 (South) 10.5 Pier Length, Parallel To Current (All) 110 feet
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FINAL ENVIRONMENTAL IMPACT REPORT E
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Whittier Bridge/I-95 Improvement Pr
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EEA#14427 DEIR Certificate December
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EEA #14427 DEIR Certificate Decembe
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EEA#l4427 DEIR Certificate December
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EEA#I4427 DEIR Certificate December
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EEA #14427 DEIR Certificate Decembe
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WETLAND E WETLAND F WETLAND G WETLA
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Deval L. Patrick GOVERNOR rJJie Com
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Thank you for the opportunity to co
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ESSEX NATIONAL HERITAGE COMMISSION
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In the period leading up to the sub
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construction is not adequate to ens
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to limit turbidity impact from dewa
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For infiltration basin and trench s
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not acceptable to meet regulatory r
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ide lot that is also being expanded
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MassWi/d/ile December 20, 2011 Comm
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Patel, Purvi {_E_EA .... } _ From:
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process. Ifthe project avoids simul
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THE COMMONWEALTH OF MASSACHUSETTS E
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imack Valley ning Commission plan *
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Mayor Thatcher w. Kezer III Town Ha
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are connected are there any other p
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Revised 12/19/11 Town ofSalisbury's
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Neil J. Harrington Town Manager Tow
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Secretary Richard K. Sullivan, Jr.
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Coastal Trails Coalition December 2
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Patel. Purvi~ _ From: Sent: To: Cc:
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1. The Whittier Bridge Replacement
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Whittier Bridge and 1-95 reconstruc
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forested and open character, though
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On the cost front, we are in an eco
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42 Prospect Street Newburyport, Mas
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12-~:TII ~~.. MASSACHUSETTSHIGHWAYD
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Patel. Purvi~ _ From: Sent: To: Cc:
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argument or disagreement. We have p
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Patel. Purvi (.... E_EA .... ) _ Fr
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TO: Pamela S. Stephensen, Division
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Patel, Purvi ~ ...... _ From: Sent:
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TO: Pamela S. Stephenson, Division
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PUBLIC MEETING WEDNESDAY, DECEMBER
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3 SPEAKER INDEX Name Page Karen Eme
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Page 357 and 358: Whittier Bridge/I-95 Improvement Pr
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Page 397 and 398: Whittier Bridge/I‐95 Improvement
Page 399 and 400: Spill Prevention and Response MassD
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