Ray Cronise - Trilogy Pools...Hair Entrapment (Entanglement) Body or Torso Entrapment Limb...
Transcript of Ray Cronise - Trilogy Pools...Hair Entrapment (Entanglement) Body or Torso Entrapment Limb...
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Suction Entrapment: How to Recognize and Eliminate Suction Entrapment Hazards from Pools and Spas
Ray Cronise - Trilogy Pools
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August 28, 2008
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Suction Entrapment Avoidance
5 forms of entrapment and conflicting solutions
Review of Virginia Graeme Baker Pool & Spa Safety Act
Highlight some of the easy to recognize Hazards
Close & Questions
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“One of the most dangerous forms of human error is forgetting what one is trying to achieve”
- Paul Nitze
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Suction Entrapment Avoidance
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Hair Entrapment (Entanglement)
Body or Torso Entrapment
Limb Entrapment
Evisceration (Disembowelment)
Mechanical
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Categories were the result of analysis of all reported cases of entrapment to U.S. CPSC
Suction Entrapment Avoidance
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Hair Entrapment (Entanglement)
Body or Torso Entrapment
Limb Entrapment
Evisceration (Disembowelment)
Mechanical
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Not caused by high vacuum - it is flowing water through the cover that causes the hair to knot. Limiting velocity to 1.5 fps is not a guarantee that
this issue is addressed. ASME A112.19.8-2007 standard
Suction Entrapment Avoidance
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Hair Entrapment (Entanglement)
Body or Torso Entrapment
Limb Entrapment
Evisceration (Disembowelment)
Mechanical
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It is both easy to understand and easy to solvemultiple outlets, vacuum breakers, proper covers
Suction Entrapment Avoidance
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Hair Entrapment (Entanglement)
Body or Torso Entrapment
Limb Entrapment
Evisceration (Disembowelment)
Mechanical
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Happens in a fraction of a second - no warning. Oncevacuum is released, victim may still be trapped. Can happened
with pump on or OFF.
Suction Entrapment Avoidance
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Hair Entrapment (Entanglement)
Body or Torso Entrapment
Limb Entrapment
Evisceration (Disembowelment)
Mechanical
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Like limb entrapment happens in a fraction of a second. Intestines are hammered into the pipes at speeds that
exceed backup standard (3-4 seconds)
Suction Entrapment Avoidance
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Hair Entrapment (Entanglement)
Body or Torso Entrapment
Limb Entrapment
Evisceration (Disembowelment)
Mechanical
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Reported accidents that did not fit neatly into the other categories: bathing suits, jewelry, and other mechanical issues
Suction Entrapment Avoidance
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Signed into law December 19, 2007
Provides for mandatory entrapment avoidance on all public pools by December 19, 2008
Under Consumer Product Safety Act 15 U.S.C. § 2068(a) & 15 U.S.C. § 2069(a)(1) - civil penalties up to $1.825 million. Congress is considering increasing to $10 million
Willful violations subject to imprisonment under 15 U.S.C. §2070(a)
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Suction Entrapment AvoidanceVirginia Graeme Baker Pool & Spa Safety Act
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Mandatory Covers conforming to ASME A112.19.8-2007
Installed on ALL Public Pools by December 19, 2008
Inspect for and address and single drain installations or multiple drains closer than 3 ft separation. Protect with one of six options
Safety Vacuum Release System - ASME/ANSI standard A112.19.17 or ASTM standard F2387
Suction Limiting Vent System - ASTM Standard Task force formed 2004
Gravity Drainage
Automatic Pump Shut-off
Drain Disablement
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Suction Entrapment AvoidanceVirginia Graeme Baker Pool & Spa Safety Act
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Computational Fluid Dynamic Studies as well as basic fluid dynamics all support that the location of the suction port is not the primary driver in pool circulation
In most states, including Tennessee, water for circulation turnover is sufficient with skimmers, when they are placed on the pool according to surface area (500 ft2)
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Suction Entrapment Avoidance
Pool Circulation
Virginia Graeme Baker Pool & Spa Safety Act
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Suction Entrapment Avoidance
Debris Removal
Virginia Graeme Baker Pool & Spa Safety Act
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Suction Entrapment Avoidance
How Do I Recognize the Hazard?
ANSI/APSP-7 Checklist
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Suction Entrapment AvoidanceAPSP-7 has undergone rigorous tests to
confirm hazards and mitigation
How Do We Know?
Testing NASA Space Act
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Suction Entrapment AvoidanceANSI/APSP-7 Entrapment Avoidance Standard
Any outlet that can be shadowed by 18 x 23” blocking element cannot be flat and flush
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Suction Entrapment AvoidanceDual Outlet Separation
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Suction Entrapment AvoidanceDual Outlet Separation
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Suction Entrapment AvoidanceDual Outlet Separation
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Suction Entrapment AvoidanceIt is a simple choice. Together we can
make Tennessee pools safe
In Memory of Kiah Milsom July 20, 2008
stopsuctionentrapment.com
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