Adding a new Fire Department Connection to an existing building with a 4-inch combination standpipe and 2-1/2 inch mains feeding each level. The standpipe is significantly farther from the new FDC location; however, the 2-1/2 inch feed main is located closer to the new location.
Is it acceptable to connect the 4" FDC pipe to the 2-1/2" main, or do we need to route the pipe back to the standpipe location?
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