Public Hearing Virginia Graeme Baker Pool and Spa ... - Pool Safely

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Key Points • "Unblockable" implies a substantial open "remaining area" to prevent high pressure drop • A simple diagonal measurement can lead to impractical or dangerous configurations • A simple diagonal can inadvertently exclude viable designs • Calculations of ASME A112.19.8 are simple for cover on full size sump • Calculations not applicable for some complex flow paths or body/cover interface
Stevenson, Todd Myles McMorrow Poolcenter.com From: Google Documents [noreply@google.com] on behalf of myles.mcmorrow@gmail.com Sent: Wednesday, October 28, 20093:47 PM To: CPSC-OS; myles.mcmorrow@gmail.com Subject: Virginia Graeme Baker Pool and Spa Safety Act; Draft Technical Guidance on Unblockable Drains Attachments: To CPSC last draft.doc Todd Steveson, I would like to speak at the public hearing, Attached is a copy ofmy statement Myles McMorrow Poolcenter.com Poolnewsfeed 1
Page 1 and 2: u.s. CONSUMER PRODUCT SAFETY COMMIS
Page 3 and 4: APSP 211lE1lln....... Ai_dill VA 22
Page 5 and 6: 2111E111n.......... AI_.... VA 2231
Page 7 and 8: COVER/GRATE FORMULA EXAMPLES - See
Page 9 and 10: R4 ----------T 1 I +Torso ~cimen I
Page 11: o CO o o CO o o o C"0
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Page 16 and 17: Suppose we make an outlet exactly t
Page 18 and 19: How to define allowable flow? • A
Page 20 and 21: 24x24 inch outlet • 55% opening 2
Page 22 and 23: "Converting" 18x18" to 29" diagonal
Page 24 and 25: Key Points • "Unblockable" implie
Page 26 and 27: Who do we intend to protect? The 99
Page 28 and 29: The 2006 ICC Code had an 18 x 23 RE
Page 30 and 31: The rating for the 2006 ICC 18" x 2
Page 32 and 33: 3" x 31" Channel with 450/0 open ar
Page 34 and 35: An interesting Configuration • An
Page 36 and 37: Edge-Only Perforated Cover • Calc
Page 40 and 41: Statement by Myles P. McMorrow My n
Page 42 and 43: Many people think with the way that
Page 45 and 46: David Stingl Stingl Products Todd A
Page 47: Stevenson. Todd From: Sent: To: SUb
Page 50 and 51: We believe the CPSC has taken these
Page 52 and 53: I. Current Staff Attempts to Provid
Page 54: Stevenson. Todd From: Sent: To: SUb
Page 57 and 58: My name is Matthew Whalen and I rep
Page 61 and 62: Stevenson, Todd Ron Schroader New W
Page 63 and 64: .r . To the pool and spa safety com
Page 65: Stevenson, Todd From: Sent: To: Sub
Page 68 and 69: INTERPRETATION VERBIAGE The ASME A1
Page 70 and 71: IN THE CPSC SURVEY IT WAS SAID "Th
Page 72 and 73: TYPICAL OF 7 DRAIN SUMPS @'l UTSA S
Page 74 and 75: l-- 45 FEET OF 10' PIPE ~ 100# CONC
Page 76 and 77: COVER FINALLY PULLED OUTOFPOOL FLOO
Page 78 and 79: Leif Zars From: Sent: To: Cc: Subje
Page 81 and 82: Bonnie Snow BeeSafe Systems Written
Page 85: I--- 21) 8;n (ST.! m",l- J {~h r-
Page 89 and 90:
Individual Tubular Channels Functio
Page 91:
Stevenson. Todd From: Sent: To: Sub
Page 94 and 95:
771e Bra.J1,non Corporation FAX 903
Page 96 and 97:
Stevenson, Todd From: Sent: To: SUb
Page 98 and 99:
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Page 100 and 101:
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Page 102 and 103:
Stevenson. Todd From: Sent: To: SUb
Page 104 and 105:
their engineers in a precarious sit
Page 106 and 107:
WILLIAMS ARCHITECTS ARCHITECTS PLAN
Page 108:
ASME A112.19.8 - IISuction Fittings
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Public Hearing Virginia Graeme Baker Pool and Spa ... - Pool Safely

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