NCCER Glazier case studies
NCCER Glazier · Put your knowledge to work in context.
The NCCER Glazier craft credential sits inside the broader NCCER system of industry-recognized construction credentials, training curricula, and journey-level assessments delivered through accredited organizations and points of delivery. NCCER describes itself as a 501(c)(3) nonprofit education foundation created in 1996 that provides industry-recognized credentials, with accredited training and assessment programs offered through organizations such as high schools, postsecondary institutions, contractors, and associations. The NCCER Glazier case studies are 5 cases and about 4,466 words.
1Vacuum-Lift Pick on a Windward Corner With a Single-Source Lite
A three-person crew is setting a 5 ft × 10 ft laminated glass lite, weighing about 400 lb, into a second-floor storefront opening on the windward corner of a building. The lite arrives on a boom truck with a four-cup vacuum lifter; each cup is marked 500 lb capacity.
787 words, about 4 min2Spandrel Break on the West Elevation and a Spontaneous Tempered Failure
On a 12-story office tower, the west-elevation spandrel glass is 1/4 in (6 mm) annealed, bronze-tinted monolithic glass set in a 6 in deep aluminum back pan packed with mineral wool. Tenants on floors 4 through 8 have installed horizontal blinds roughly 6 in from the glass, and the back pan and floor slab enclose the spandrel cavity so it traps heat.
928 words, about 5 min3Storefront Into an Out-of-Level Masonry Opening
A glazing contractor is installing a new aluminum storefront into an existing cast-in-place opening in a 1960s masonry building. The head measures 12 ft 0 1/4 in, the sill 11 ft 11 3/4 in, and the head is out of level by 1/2 in across the width; the jambs are plumb within 1/8 in.
949 words, about 5 min4Cracks at the Lower-Right Corner and Water on the Interior Sill
A crew is installing 1 in insulating glass units into punched openings in a new masonry veneer wall, using a dry-glaze gasket system with a nominal 5/16 in glazing clearance. The framer's openings are 1/8 in undersized at the lower-right corner of three openings.
854 words, about 4 min5Adhesion Failure on Re-Sealed Curtain Wall Joints and a Bubbling Polyurethane
On a 1990s curtain wall, a maintenance contractor is replacing failed perimeter sealant joints. The existing joints are 3/4 in wide × 3/8 in deep with closed-cell backer rod.
948 words, about 5 min