COMMERCIAL PLUMBING - FINAL

Exterior Inspections

• Ensure that the Construction Inspection Division of the Department of Public Works has provided certification of proper installation of site utilities under their jurisdiction.
• Determine that sanitary sewer cleanouts and water valve curb boxes are of approved materials, are properly located, and are installed flush with finished grade.
• Ensure that required gas meters and regulators are in place.
• Ensure that all required vacuum breakers and approved backflow prevention devices are installed on hosebibbs, yard hydrants, lawn sprinkler systems, etc.
• Ensure that the sump pump discharges onto a splash block at a properly graded outfall.
• Determine that all flue terminations are installed in accordance with the manufacturer's recommendations, the Howard County Plumbing Code, and the Howard County Mechanical Code.

Interior Inspections

• Ensure that all plumbing fixtures have been properly set, are damage free, clean, properly caulked and function properly.
• Ensure that all plumbing fixtures are properly connected, trimmed out, trapped, valved, leak free, and that hot and cold are not reversed.
• Ensure that, when required, the washing machine and water heater(s) are properly panned and drained.
• Ensure that dishwashers are installed in accordance with the manufacturer’s instructions, are properly valved, and discharge via an air cap, high drain loop, or other approved method.
• Ensure that all gas appliances have an approved shut-off valve within 6 feet of the appliance, sufficient combustion air, and are installed in accordance with the manufacturer’s instructions left on site.
• Ensure that all plumbing lines, water, sewer, ventilation, gas, sprinklers, etc., are properly supported with the approved devices, are protected from damage and are leak free.
• Ensure that backwater valves and backflow preventors, where required, are of the approved type, properly installed and accessible.
• Ensure that elevated pressure gas regulators and manifolds are properly installed and that start-up test tag is attached.
• Ensure that the water meter, pressure reducing valves, and isolation valves are all installed properly, are of approved materials, and are supported adequately.
• Obtain and complete water and sewer triangulation forms, elevated pressure gas start-up tags, and backflow device certifications, when applicable.
• Ensure that condensate drains and water heater temperature/pressure release valves are properly conveyed to an approved outfall.

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