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

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Table 3. Pertinent Preferred <strong>Bridge</strong> Type Geometric Parameters Incorporated In “Post-Project (Revised) Conditions” HEC-RAS Model Parameter Attributes Total Clear Span Length 1300 Feet No. Of Spans 4 Span Length Distribution Span 4 North 250 Feet Span 3 480 Feet Span 2 285 Feet Span 1 South 285 Feet Superstructure Depth Span 4 North 10.0 Feet Span 3 6.5 Feet Span 2 10.0 Feet Span 1 South 10.0 Feet Superstructure Deck Width, 185 Feet (Combined NB and SB Roadways) Perpendicular To Current No. of Piers 3 Pier 3 (North) 11.0 Feet Pier 2 11.0 Feet Pier 1 (South) 11.0 Feet Pier Length, Parallel To Current (All) 185 feet
Table 4. Summary of Model Simulation Results HEC-RAS Model "Current Effective" "Pre-Project (Existing) Conditions" "Post -Project (Revised) Conditions" Simulation Q Total Model Section W.S. Elev Vel Chnl Model Section W.S. Elev Vel Chnl Model Section W.S. Elev Vel Chnl ID CFS FT, NGVD FT/S FT, NGVD FT/S FT, NGVD FT/S 10-YR 61000 SECTION 7 9.1 2.1 SECTION 7 9.2 2.1 SECTION 7 9.2 2.1 50-YR 92000 12 2.7 12.1 2.7 12.1 2.7 100-YR 115000 13.7 3.1 13.8 3.1 13.8 3.1 500-YR 172000 17.5 3.9 17.7 3.8 17.7 3.8 1936 177650 17.7 4 17.9 3.9 17.9 3.9 10-YR 61000 SECTION 6 8.4 2.9 SECTION 6 8.5 2.9 SECTION 6 8.5 2.9 50-YR 92000 NFIP FLOODWAY 11.1 3.8 NFIP FLOODWAY 11.2 3.8 NFIP FLOODWAY 11.2 3.8 100-YR 115000 SECTION C 12.5 4.5 SECTION C 12.7 4.5 SECTION C 12.7 4.5 500-YR 172000 15.8 5.8 16.1 5.8 16.1 5.8 1936 177650 16 6 16.3 5.9 16.3 5.9 10-YR 61000 SECTION 5 7.9 2.5 SECTION 5 8 2.5 SECTION 5 8 2.5 50-YR 92000 NFIP FLOODWAY 10.2 3.4 NFIP FLOODWAY 10.3 3.4 NFIP FLOODWAY 10.3 3.4 100-YR 115000 SECTION B 11.3 4.1 SECTION B 11.5 4.1 SECTION B 11.5 4.1 500-YR 172000 14.1 5.5 14.4 5.5 14.4 5.5 1936 177650 14.2 5.7 14.5 5.6 14.5 5.6 10-YR 61000 NA SECTION 4.4 7.6 3.2 SECTION 4.4 7.6 3.1 50-YR 92000 A07016=N11017 9.8 4.3 A07016=N11017 9.8 4.3 100-YR 115000 U/S BRIDGE 10.8 5.2 U/S BRIDGE 10.8 5.1 500-YR 172000 13.1 7.1 13.1 7 1936 177650 13.1 7.3 13.1 7.2 A07016=N11017 1<strong>95</strong>1 AS- NA SECTION 4.35 BUILT SECTION 4.35 A07016=N11017 2012 PROPOSED ALTERNATE 4 10-YR 61000 NA SECTION 4.3 7.6 3.2 SECTION 4.3 7.6 3.1 50-YR 92000 A07016=N11017 9.7 4.3 A07016=N11017 9.7 4.3 100-YR 115000 D/S BRIDGE 10.7 5.2 D/S BRIDGE 10.7 5.1 500-YR 172000 13 7.1 13 7 1936 177650 13 7.3 13 7.2 10-YR 61000 SECTION 4 7.6 2.7 SECTION 4 7.6 2.7 SECTION 4 7.6 2.7 50-YR 92000 NFIP FLOODWAY 9.6 3.7 NFIP FLOODWAY 9.6 3.7 NFIP FLOODWAY 9.6 3.7 100-YR 115000 SECTION A 10.6 4.4 SECTION A 10.6 4.4 SECTION A 10.6 4.4 500-YR 172000 12.9 6.1 12.9 6.1 12.9 6.1 1936 177650 12.9 6.3 12.9 6.3 12.9 6.3 10-YR 61000 SECTION 3 7.3 2.1 SECTION 3 7.3 2.1 SECTION 3 7.3 2.1 50-YR 92000 9.2 2.9 9.2 2.9 9.2 2.9 100-YR 115000 9.9 3.5 9.9 3.5 9.9 3.5 500-YR 172000 11.7 4.9 11.7 4.9 11.7 4.9 1936 177650 11.6 5 11.6 5 11.6 5 10-YR 61000 SECTION 2 6.9 2 SECTION 2 6.9 2 SECTION 2 6.9 2 50-YR 92000 8.5 2.8 8.5 2.8 8.5 2.8 100-YR 115000 9.1 3.4 9.1 3.4 9.1 3.4 500-YR 172000 10.1 4.8 10.1 4.8 10.1 4.8 1936 177650 9.9 5 9.9 5 9.9 5 10-YR 61000 SECTION 1 6.8 2.5 SECTION 1 6.8 2.5 SECTION 1 6.8 2.5 50-YR 92000 8.3 3.6 8.3 3.6 8.3 3.6 100-YR 115000 8.7 4.5 8.7 4.5 8.7 4.5 500-YR 172000 9.3 6.5 9.3 6.5 9.3 6.5 1936 177650 9 6.8 9 6.8 9 6.8
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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 359 and 360: Whittier Bridge/I-95 Improvement Pr
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Page 397 and 398: Whittier Bridge/I‐95 Improvement
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