An expansion loop is configured in domestic water piping to absorb thermal expansion and contraction stresses in long runs. Dimensioned layout guides indicate a length of 8 feet 7-3/16 inches and a width of 4 feet 3-19/32 inches for the loop configuration. Where multiple pipes run parallel, the innermost expansion loop must meet these specific dimensional requirements.
4' - 3 19/32" 8' - 7 3/16" 9 DOMESTIC WATER PIPING EXPANSION LOOP DETAIL WHERE MULTIPLE PIPES RUN PARALLEL, THE SIZE OF THE INNER MOST EXP. LOOP MUST MEET THESE REQUIREMENTS
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