– History said the reason did not receive the same wind speed Other code organization look at test more appropriate for the southeast and Mid-Atlantic regions.This was overkill for most other areas impacted by hurricanes.Lacking alternative the “Dade County” code began mean approved devices for impact glazing.Dade and broward counties developed adopted and enforced the first U.S.Areas affected by glass breakage from natural disasters.The majority of insurance claim after Hurricane Andrew were from damage caused by wind and rain that damaged the contents of a dwelling…not the dwelling.– Glass is the weakest link in the building envelope Did you know? – Building must resist the breaching of the building envelope from debris. – Greatest devastation not from single-gust but -sustained, turbulent winds carrying debris Based and Australian standards written following cyclone trycy in the ‘70’s.Reduce further damage caused by wind and rain entering through broken windows.Addresses keeping a building “tight” in weather related incidents.Impact resistance of glass to flying debris.– Annealed glass with 7- mil or greater passes Missile Impact Height determines the foot pounds of force hitting the glass.Difference is the drop height of the impactor.ANSI Z 97.1 and CFR 1201 use the same test structure.ANSI Z 97.1 and CFR 1201 differ in the force of the impact.– Code of Federal Regulations, Consumer Product Safety Commission – Annealed or heat-treated glass must have film to pass Address the break safe characteristics of glass.Developed in the late ’60’s early ’70’s to address sliding glass doors.– Enforcement of the standards Human Impact Standards – Groups who develop the standard of performance the product must meet
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |