1. Standard certification requirements:

	A.	Float Glass: ASTM C 1036.
	B.	Heat Treated Glass: ASTM C1048, with surface stress of 5000psi, +/- 1500psi.
	C.	Laminated Glass: Two lites of equal thickness bonded with a polyvinyl butyral (PVB) interlayer, meeting criteria of ANSI Z97.1-1984 and CPSC 16 CFR 1201 for safety glazing.
	D.	Insulating Glass: CBA rated by the Insulating Glass Certification Council when tested in accordance with ASTM E 773 and E 774. Dual edge seals with silicone secondary seal. Exterior lite is to be heat strengthened; interior lite to be laminated glass.

2. Performance Requirements:

A.

Probability of breakage not to exceed 8/1000 for vertical glass and 1/1000 for sloped glass upon first application of design pressures or due to anticipated thermal stresses.

3. Glazing Unit Description: (Select one)

	A.	Laminated Glass: two ¼" clear, heat strengthened lites with a (.030) (.060) polyvinyl butyral (P.V.B.) interlayer.
	B.	Insulated laminated glass consisting of a ¼" clear heat strengthened lite, a ½" dual sealed airspace over a laminated lite (thickness to be determined per glass size) with a (.030) (.060) polyvinyl butyral (P.V.B.) interlayer.
	C.	Insulated laminated glass consisting of a ¼" clear heat strengthened lite, a ½" dual sealed airspace over a laminated lite (thickness to be determined per glass size) with a (.030) (.060) polyvinyl butyral (P.V.B) interlayer. A LOF Energy Advantage pyrolytic low-e coating is applied to surface #2 (Coating will be applied to surface #3 with tinted glass).
	D.	Insulated laminated glass consisting of a ¼" clear heat strengthened lite, a ½" dual sealed airspace over a laminated lite (thickness to be determined per glass size) with a (.030) (.060) polyvinyl butyral (P.V.B.) interlayer. A PPG Solarban 60 low-e coating is applied to surface #2.

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