Muck Conveyance System Final - MTAweb.mta.info/capital/sas_pdf/muck.pdfQ Improved MitigationImproved...
Transcript of Muck Conveyance System Final - MTAweb.mta.info/capital/sas_pdf/muck.pdfQ Improved MitigationImproved...
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SECOND AVENUE SUBWAY PROJECT
MUCK CONVEYANCE SYSTEM69th & 72nd Street Shafts69th & 72nd Street Shafts
APRIL 4, 2011
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Current Work Operations at 69th St. Shaft
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Step 1: Diesel Crane removes rock with skip pan
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Step 2: Skip pan emptied into muck bin on pavement
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Step 3: Truck backed in by flagmen for loading
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Step 4: loader fills truck from muck bin for transport
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Q
7272ndnd Street StationStreet StationMuck Conveyance SystemMuck Conveyance System
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2ND Avenue Subway‐72nd St. CavernQ
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QProposed 11’ – 9” Sidewalk
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QMuck Conveyance System
Full Height Fixed Wall System
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QMuck Conveyance System – looking East
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QMuck Conveyance System – looking North
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QMuck Conveyance System – Widened Sidewalk
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QMuck Conveyance System ‐ Animation
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QImproved MitigationImproved Mitigation
• Noise• Eliminates diesel crane & loaderEliminates diesel crane & loader• Electric gantry crane• Sound rated wall panelsD i th h t k tt• Drive through truck pattern
• Dust • Enclosed muck storage g• Containerized storage, handling and removal• Cleaner work area, reduced dust
• Emissions• Eliminates diesel emissions (crane & loader)I d k t l f bl ti• Improved smoke control from blasting
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Q
7272ndnd Street StationStreet StationMuck Conveyance System OptionMuck Conveyance System Option
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QMuck Conveyance System ‐ Option
Roll Up Door & Roof System
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QMuck Conveyance System – looking East
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QMuck Conveyance System – looking North
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QMuck Conveyance System – Widened Sidewalk
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QMuck Conveyance System – Staggered Muck Bins
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QMuck Conveyance System – Staggered Muck Bins
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QMuck Conveyance System – Staggered Muck Bins
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QMuck Conveyance System – Staggered Muck Bins
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Q4th Floor View From Windows
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Q3rd Floor View From Windows
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Q2nd Floor View From Windows
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QMuck Conveyance System – Day and Night
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QMuck Conveyance System – Day and Night
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QMuck Conveyance System – Day and Night
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QMuck Conveyance System – Day and Night
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QMuck Conveyance System
QUESTION AND ANSWERS