BRIDGE REPAIR/REHABILITATION FEASIBILITY STUDY

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APPENDIX B Structures Field Inspection Reports • 2004 Routine • 2006 Routine • 2008 Routine • 2010 Routine • 2010 Underwater • 2010 Powder Point Bridge (Duxbury)
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BRIDGE REPAIR/REHABILITATION FEASIB
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1.0 EXECUTIVE SUMMARY The existing
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such there is a risk that the proje
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3.0 BRIDGE DESCRIPTION Bridge Numbe
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Photo 2 - Present Mitchell River Br
Page 11 and 12: 4.0 ELEMENT CONDITION & REHABILITAT
Page 13 and 14: Based on the 1997 load rating analy
Page 15 and 16: promotes growth in the number and s
Page 17 and 18: 4.2.2 Deck NBIS Condition Rating: 5
Page 19 and 20: Rehabilitation Scope: In order to m
Page 21 and 22: 4.2.5 Railings NBIS Condition Ratin
Page 23 and 24: Functionality and Safety: Eliminati
Page 25 and 26: Although in-place preservative trea
Page 27 and 28: The bascule span timber stringers c
Page 29 and 30: Repair Scope: Although the timber m
Page 31 and 32: Use of an all steel counterweight w
Page 33 and 34: additional force effects, the speci
Page 35 and 36: typically loose. The steel guardrai
Page 37 and 38: Functionality and Safety: The cap b
Page 39 and 40: The surface decay and deterioration
Page 41 and 42: the interior of the piles where the
Page 43 and 44: Load Capacity: The current loss in
Page 45 and 46: Visual Impacts: Replacement of the
Page 47 and 48: Condition Description: There are cu
Page 49 and 50: 5.0 OTHER CONSIDERATIONS 5.1 Naviga
Page 51 and 52: SUMMARY OF TIMBER ELEMENT SERVICE L
Page 53 and 54: 5.3 Funding The project is currentl
Page 55 and 56: navigation opening. The estimated c
Page 57 and 58: • Continued replacement, repair a
Page 59 and 60: APPENDICES A. Existing Bridge Plans
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PAGE 2 OF 22 CITY/TOWN B.I.N. BR. D
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CITY/TOWN B.I.N. BR. DEPT. NO. 8.-S
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PAGE 3 OF 7 CITY/TOWN B.I.N. BR. DE
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APPENDIX D In-place Preservative Tr
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Bridge rehabilitation is another fo
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Figure 14-2. - Dirt and debris on t
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Figure 14-4. - (A) Minor cracking i
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Figure 14-6. - Paste wood preservat
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Figure 14-8. - Treating holes for f
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important to stop filling, to plug
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location where load transfer is res
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Existing pile Reinforcing steel Det
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14.5 EPOXY REPAIR Epoxies consist o
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glulam member and replaced with new
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Figure 14-17. - Pile repair using p
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Port Setting and Joint Sealing When
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QUALITY CONTROL FOR EPOXY REPAIRS A
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from overloads or other mechanical
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24. Hurlbut, B.B. 1978. Basic evalu
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kerfing, but not all of these activ
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wood. Tubes are normally filled at
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MITC-FUME Levels in Southern Pine 0
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Table 3- Residual boron and fluorid
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temperature, and moisture content.
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APPENDIX E Commercial Timbers of th
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Present and Potential Commercial Ti
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COMMERCIAL TIMBERS OF THE CARIBBEAN
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Repair of Wood Piles Using Prefabri
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Fig. 2. Repair method using corruga
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Fig. 7. Fiber reinforcement of fibe
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Fig. 11. Application of fiber-reinf
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Table 2. Cost items for wood pile r
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APPENDIX G Cost Estimates
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URS Corp. 260 Franklin Street Bosto
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APPENDIX H Operating Equipment Eval
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