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  2. Water supply network - Wikipedia

    en.wikipedia.org/wiki/Water_supply_network

    A minimum cost model usually searches for the least cost solution (in pipe sizes), while satisfying the hydraulic constraints such as: required output pressures, maximum pipe flow rate and pipe flow velocities. The cost is a function of pipe diameters; therefore the optimization problem consists of finding a minimum cost solution by optimising ...

  3. Lead and Copper Rule - Wikipedia

    en.wikipedia.org/wiki/Lead_and_Copper_Rule

    EPA illustration of lead sources in residential buildings Infographic about lead in drinking water. The Lead and Copper Rule (LCR) is a United States federal regulation that limits the concentration of lead and copper allowed in public drinking water at the consumer's tap, as well as limiting the permissible amount of pipe corrosion occurring due to the water itself. [1]

  4. Lead service line - Wikipedia

    en.wikipedia.org/wiki/Lead_service_line

    The first part is the pipe that connects the water main to the curb stop which is a stop valve that is located around the street curb or the property line. That first section is called communication pipe. The second part is the pipe that connects the curb stop to the building inlet or a water meter. This part is called supply pipe. Depending on ...

  5. Brown announces upgrades for clean water, lead pipe ... - AOL

    www.aol.com/brown-announces-upgrades-clean-water...

    Feb. 26—WASHINGTON, D.C. — U.S. Sen. Sherrod Brown, D-Ohio, announced this week that the state of Ohio is receiving another major investment from the U.S. Environmental Protection Agency to ...

  6. How do Ohio drinking water systems fare in testing for ... - AOL

    www.aol.com/ohio-drinking-water-systems-fare...

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  7. Mechanical, electrical, and plumbing - Wikipedia

    en.wikipedia.org/wiki/Mechanical,_electrical...

    Plumbing systems also service air distribution/control, and therefore contribute to the mechanical part of MEP. Plumbing for HVAC systems involves the transfer of coolant, pressurized air, water, and occasionally other substances. Ducting for air transfer may also be consider plumbing, but is generally installed by different tradespeople. [11]

  8. Cross-linked polyethylene - Wikipedia

    en.wikipedia.org/wiki/Cross-linked_polyethylene

    A cross-linked polyethylene (PEX) pipe. Cross-linked polyethylene, commonly abbreviated PEX, XPE or XLPE, is a form of polyethylene with cross-links.It is used predominantly in building services pipework systems, hydronic radiant heating and cooling systems, domestic water piping, insulation for high tension (high voltage) electrical cables, and baby play mats.

  9. How do Ohio drinking water systems fare in testing for ... - AOL

    www.aol.com/ohio-drinking-water-systems-fare...

    Explore PFAS testing results for drinking water systems near your home, around Ohio and throughout the country with an interactive map. ... The 15 best subscription gifts of 2024, no shipping ...