Key Largo Wastewater Treatment District, Vacuum Station Basin D – Project Manual
04270-1
SECTION 04270
GLASS UNIT MASONRY
PART 1 GENERAL
1.01 Section Includes
A.
Glass block, hollow.
1.02 Related Sections
A.
Section 07900 - Joint Sealers.
1.03 References
A.
ASTM E 163 - Standard Methods of Fire Tests of Window Assemblies.
B.
CAN 4-S106 - Fire Test of Window and Glass Block Assemblies.
C.
UL 9 - Standard for Fire Tests of Window Assemblies.
1.04 Submittals
A.
Submit under provisions of Section 01300.
B.
Product Data: Manufacturer's literature on each product to be used, including:
1.
Preparation instructions and recommendations.
2.
Storage and handling requirements and recommendations.
3.
Installation methods.
C.
Verification Samples:
1.
Two glass block units of each type specified, showing size, design, and
pattern of faces.
2.
Representative samples of panel reinforcing, panel anchors, expansion strips,
and sealant, as required for project.
D.
Fire Test Reports: Submit documents verifying glass block units are classified for
the specified fire exposure according to ASTM E 163, CAN 4-S106, or UL 9 "Fire
Tests of Window Assemblies." Label cartons of tested units with appropriate UL
label.
1.05 Delivery, Storage, and Handling
A.
Store products in manufacturer's unopened packaging in clean, cool, dry area until
ready for installation.
B.
Protect opened cartons of glass block against windblown rain or water run-off with
tarpaulins or plastic covering.
March 2008
Glass Unit Masonry
Key Largo Wastewater Treatment District, Vacuum Station Basin D – Project Manual
04270-2
1.06 Project Conditions
A.
Maintain environmental conditions (temperature, humidity, and ventilation) within
limits recommended by manufacturer for optimum results. Do not install products
under environmental conditions outside manufacturer's absolute limits.
B.
Do not install glass block units when temperature is 40 degrees F (4 degrees C) and
falling.
1.07 Warranty
A.
Glass Block Units: Limited 5 year warranty on product only.
PART 2 PRODUCTS
2.01 Manufacturers
A.
Acceptable Manufacturer: Pittsburgh Corning Corporation, which is located at: 800
Presque Isle Dr. ; Pittsburgh, PA 15239-2799; Toll Free Tel: 800-624-2120; Tel:
724-327-6100; Fax: 724-325-9704; Email: technicalserviceglassblock@pghcorning.com; Web: www.pittsburghcorning.com
B.
Requests for substitutions will be considered in accordance with provisions of
Section 01600. Substitutions must be in compliance with the Miami-Dade Standard.
2.02 Glass Block
A.
Glass Block: General.
1.
Finish: Polyvinyl butyral edge coating.
2.
Frame and Spacers: KWik’N EZ® Rigid PVC Track Premiere Series Spacers
and Premiere Series Channel in compliance with the Miami-Dade Standard.
B.
Glass Block: PC THICKSET Series block; hollow; 3-7/8 inches (98 mm) thick.
1.
Physical Properties:
a.
Face Size: Actual face size is 1/4 inch (6 mm) less than nominal.
b.
Thermal Conductance (U Value): 0.51 Btu/hr sq ft deg F (2.9 W/sq m K);
winter night.
c.
Thermal Resistance (R Value): 1.96 deg F hr sq ft/Btu (0.35 (K sq
m)/W).
d.
Visible Light Transmission: 75 percent.
e.
Shading Coefficient: 0.65.
f.
Fire Rating: Maximum 90 minute rated window assemblies for panels in
masonry walls up to 100 sq ft (9 sq m) with maximum height or width of
10 feet (3048 mm); maximum 60 minute rated window assemblies for
panels in non-masonry walls up to 94 sq ft (9 sq m) with maximum
height or width of 10.75 feet (3277 mm); rating does not apply to all 12
inch (305 mm) by 12 inch (305 mm) blocks.
2.
Acceptable Product: PC THICKSET 90 Block.
a.
Pattern: DECORA.
1)
Visible Light Transmission: 38 percent.
2)
Face Size:
March 2008
Glass Unit Masonry
Key Largo Wastewater Treatment District, Vacuum Station Basin D – Project Manual
3)
04270-3
8 inches (203 mm) by 8 inches (203 mm), nominal; sound
transmission: 50.
2.03 Accessories
A.
Sealant (caulk): Non-staining; waterproof mastic; silicone type; use fire rated sealant
for fire rated assemblies.
PART 3 EXECUTION
3.01 Examination
A.
Do not begin installation until substrates have been properly prepared.
B.
If substrate preparation is the responsibility of another installer, notify Architect of
unsatisfactory preparation before proceeding.
C.
Verify that structural members supporting glass blocks are designed for maximum
deflection of L/600 under installed load.
D.
Verify that panel anchors or channels for support at head and jambs are properly
installed.
3.02 Preparation
A.
Clean surfaces thoroughly prior to installation.
B.
Prepare surfaces using the methods recommended by the manufacturer for
achieving the best result for the substrate under the project conditions.
3.03 Installation
A.
Install in accordance with manufacturer's instructions for compliance with the MiamiDade Standard NOA No: 04-0301.01
3.04 Cleaning
A.
Remove excess sealer from glass surfaces immediately following application.
3.05 Protection
A.
Protect installed products until completion of project.
B.
Maintain temperature of glass unit masonry above 40 degrees Fahrenheit (4
degrees Celsius) for first 48 hours after construction.
C.
Touch-up, repair or replace damaged products before Substantial Completion.
END OF SECTION
March 2008
Glass Unit Masonry