CPI CPI Drain Cover & Entrapment Prevention

Question 1

Which federal law mandates that all public pool and spa drain covers meet specific anti-entrapment standards?

Accepted Answer

Virginia Graeme Baker Pool and Spa Safety Act (VGB Act)

Answer

The Virginia Graeme Baker (VGB) Pool and Spa Safety Act of 2007 requires anti-entrapment drain covers on all public pools and spas in the US.

Question 2

What organization publishes the ANSI/APSP-16 standard referenced in the VGB Act for suction outlet fittings?

Accepted Answer

APSP (Association of Pool & Spa Professionals)

Answer

APSP (now PHTA) publishes ANSI/APSP-16, which defines performance requirements for suction outlet fitting assemblies in pools and spas.

Question 3

What is the most effective engineering solution for preventing body entrapment at pool drain outlets?

Accepted Answer

Using dual main drains separated by at least 3 feet

Answer

Dual main drains separated by at least 3 feet prevent full-body blockage of both drains simultaneously, reducing suction entrapment risk.

Question 4

How should a CPI inspector assess whether a drain cover is compliant with VGB Act requirements?

Accepted Answer

Confirm it has an ANSI/APSP-16 listing, shows no cracks, and is properly secured

Answer

Compliance requires verifying the ANSI/APSP-16 listing on the cover, inspecting for physical damage, and confirming it is securely fastened.

Question 5

What is the danger of a flat drain cover installed over a sump that is too deep for the cover's rated flow?

Accepted Answer

Excessive suction can still create a hazardous entrapment force despite the cover

Answer

If pump flow exceeds the drain cover's rated maximum, hazardous suction forces can develop even through an intact cover.

(CPI) Certified Pool & Spa Inspector Practice Test