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Glazing within elevator cabs.

BayPointArchitect

BayPointArchitect

Sawhorse
Joined
Oct 19, 2009
Messages
516
Location
Lincoln
I have heard that the glazing for elevator cabs needs to be laminated glass. Does this prevent one from using tempered glass? If so, what is the rationale behind this change? I can understand this if someone is trying to use wire glass - then it needs to be laminated wire glass. But just plain ole' laminated glass?

Thanks!
 
From the 2007 ASME Elevator Code

2.14.1.8 Glass in Elevator Cars

2.14.1.8.1 Where enclosures include panels of glass, or transparent or translucent plastic, the panels shall

(a) be constructed of laminated glass that complies with the requirements of 16 CFR Part 1201, Sections 1201.1 and 1201.2; or be constructed of laminated glass, safety glass, or safety plastic that comply with CAN/ CGSB-12.1, CAN/CGSB-12.11, or CAN/CGSB-12.12, whichever is applicable (see Part 9)

(b) be provided with a handrail or framing designed to guard the opening should the panel become detached, where wall panels are wider than 300 mm (12 in.)

© be mounted in the structure so that the assembly shall withstand the required elevator tests without damage (see 2.14.1.2)

2.14.1.8.2 Glass used for lining walls or ceilings shall conform to 2.14.1.8.1(a) and ©, except that tempered glass shall be permitted, provided that

(a) it conforms to ANSI Z97.1, 16 CFR Part 1201, Sections 1201.1 and 1201.2, or CAN/CGSB-12.1, whichever is applicable (see Part 9)

(b) the glass is not subjected to further treatment such as sandblasting, etching, heat treatment, painting, etc., that could alter the original properties of the glass

© the glass is bonded to a nonpolymeric coating, sheeting, or film backing having a physical integrity to hold the fragments when the glass breaks

(d) the glass is tested and conforms to the acceptance criteria for laminated glass as specified in ANSI Z97.1, or 16 CFR Part 1201, Section 1201.4, or CAN/CGSB-12.11, whichever is applicable (see Part 9)

2.14.1.8.3 In jurisdictions enforcing the NBCC, type 3C film reinforced silvered mirror glass that conforms to CAN/CGSB-12.5 shall be permitted for lining walls or ceilings.

2.14.1.8.4 Markings as specified in the applicable glazing standard shall be on each separate piece, and shall remain visible after installation.
 
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