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With reference to the rock dowels in the tunnel, may the beveled washers be substituted with domed plates?

April 26, 2017beveled dowels plates Reference rock substituted tunnel washers

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With reference to the rock dowels in the tunnel, may the beveled washers be substituted with domed plates?

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Please refer to Special Provisions Section 10-1.15 (Page 183) regarding Temporary Irrigation Systems. Under “General”, the Appendix C, Devil’s Slide Construction Water Irrigation Dispersal Plan is referenced. Within this Dispersal Plan there are areas designated as site “A” and “B” without any further description or reference. Separately, within the Conceptual Preliminary Design Report for Tunnel Excavation Groundwater Treatment System, page 6-1, are identified the slope of the tunnel spoils disposal area and the OMC site, which appear to coincide roughly with the areas given for sites “A” and “B”. Consequently, we assume that site “A” is representative of the tunnel spoils disposal area and, site “B” is representative of the OMC building area. Please identify if these assumptions are incorrect, and if so, please further identify the specific locations for sites “A” and “B”.