NAHI Standards of Practice

  10. Plumbing

10.1    Components for Inspection.
 
10.1.1 Visible water supply lines.
 
10.1.2 Visible waste/soil and vent lines.
 
10.1.3 Fixtures and faucets.
 
10.1.4 Domestic hot water system and fuel source.
 
10.2 Procedures for Inspection.
 
The Inspector will:

10.2.1 Identify material of the main line and water supply lines.
 
10.2.2 Verify the presence of a main water supply valve.
 
10.2.3 Identify type of sanitary waste piping.
 
10.2.4 Identify type and capacity of domestic water heating unit(s).
 
10.2.5 Inspect the condition of accessible and visible water and waste lines.
 
10.2.6 Inspect and operate fixtures and faucets.
 
10.2.7 Inspect and operate the domestic hot water system.
 
10.2.8 Inspect and operate drain pumps and waste ejector pumps when possible.
 
10.2.9 Test the water supply for functional flow.
 
10.2.10 Test waste lines from sinks, tubs and showers for functional drainage.
 
10.3 Limitations.

The Inspector is not required to:

10.3.1 Operate any main, branch or fixture valve, except faucets, or determine water temperature.
 
10.3.2 Inspect any system that is shut-down or secured.
 
10.3.3 Inspect any plumbing components not readily accessible.
 
10.3.4 Inspect any exterior plumbing components or interior or exterior drain systems.
 
10.3.5 Inspect interior fire sprinkler systems.
 
10.3.6 Evaluate the potability of any water supply.
 
10.3.7 Inspect water conditioning equipment, including softener and filter systems.
 
10.3.8 Operate freestanding or built-in appliances.
 
10.3.9 Inspect private water supply systems.
 
10.3.10 Test shower pans, tub and shower surrounds, or enclosures for leakage.
 
10.3.11 Inspect gas supply system for materials, installation or leakage.
 
10.3.12 Evaluate the condition and operation of water wells and related pressure tanks and pumps; the quality or quantity of water from on-site water supplies; or the condition and operation of on-site sewage disposal systems such as cesspools, septic tanks, drain fields, related underground piping, conduit, cisterns, and equipment.
 
10.3.13 Inspect and operate fixtures and faucets if the flow end of the faucet is connected to an appliance.
 
10.3.14 Record location of any on-site visible fuel tanks within or directly adjacent to structure.

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Updated: 07-May-2003 copyright NAHI™ - reprinted by permission