home *** CD-ROM | disk | FTP | other *** search
- SECTION 08841
-
- POLYCARBONATE SHEET GLAZING
- NOTE ** GE Plastics Structured Products LEXAN(R) MR10 UV-
- resistant and abrasion-resistant polycarbonate
- glazing.
- NOTE **
- NOTE ** This section is based on LEXAN(R) MR10 UV-resistant
- and abrasion-resistant polycarbonate glazing
- manufactured by GE Plastics Structured Products at
- the following address:
- NOTE ** One Plastics Avenue
- NOTE ** Pittsfield MA 01201
- NOTE ** Tel: (800) 752-7674, extension 8234
- NOTE ** Fax: (413) 448-5478
- NOTE **
- NOTE ** GE Plastics Structured Products offers a complete
- line of plastic glazing products for use where
- glass products cannot meet performance requirements
- required.
- NOTE **
- NOTE ** SECTION 08841 - POLYCARBONATE SHEET GLAZING,
- Copyright 1997, The Architect's Catalog, Inc.
-
- PART 1 GENERAL
-
- 1.1 SECTION INCLUDES
- NOTE ** Delete items below not required for project.
-
- A. Polycarbonate Sheet Glazing.
-
- B. Accessories for installation of plastic glazing.
-
- 1.2 RELATED SECTIONS
- NOTE ** Add sections relevant to this project as required.
-
- A. Section 08800 - Glazing.
-
- 1.3 REFERENCES
- NOTE ** Delete references from the list below that are not
- actually required by the text of the edited
- section.
-
- A. 16 CFR 1201 - Safety Standard for Architectural Glazing
- Materials.
-
- B. ANSI Z97.1 - American National Standard for Glazing
- Materials Used in Buildings.
-
- C. ASTM D 635 - Standard Test Method for Rate of Burning
- and/or Extent and Time of Burning of Self-Supporting
- Plastics in a Horizontal Position.
-
- D. ASTM D 648 - Standard Test Method for Deflection
- Temperature of Plastics Under Flexural Load.
-
- E. ASTM D 696 - Standard Test Method for Coefficient of
- Linear Thermal Expansion.
-
- F. ASTM D 790/ASTM D 790M - Standard Test Method for
- Flexural Properties of Unreinforced and Reinforced
- Plastics and Electrical Insulating Materials.
-
- G. ASTM D 1003 - Standard Test Method for Haze and Luminous
- Transmittance of Transparent Plastics.
-
- H. ASTM D 1044 - Standard Test Method for Resistance of
- Transparent Plastic to Surface Abrasion.
-
- I. ASTM D 1929 - Standard Test Method for Ignition
- Properties of Plastics.
-
- J. ASTM D 2843 - Standard Test Method for Density of Smoke
- from the Burning and Decomposition of Plastics.
-
- K. ASTM D 4065 - Standard Practice for Determining and
- Reporting Dynamic Mechanical Properties of Plastics.
-
- L. ASTM D 5420 - Standard Test Method for Impact Resistance
- of Flat, Rigid Plastic Specimen by Means of A Striker
- Impacted by A Falling Weight (Gardner Impact).
-
- M. ASTM G 53 - Standard Practice for Operating Light and
- Exposure Apparatus (Fluorescent UV-Condensation Type) for
- Exposure of Non-Metallic Materials.
-
- N. QUV 313B - Accelerated Weathering Test of Non-Metallic
- Materials.
-
- O. ISO-9002 - International Standards Organization.
-
- 1.4 SYSTEM DESCRIPTION
-
- NOTE ** Edit the following paragraph for project
- requirements; delete requirements that do not
- apply. Delete entire paragraph if not applicable
- to project.
- A. Design requirements for installed plastic glazing
- systems:
- 1. Windload resistance:
- a. Positive pressure: ___ pounds per square foot
- (__ MPa).
- b. Negative pressure: ___ pounds per square foot
- (__ MPa).
- 2. Uplift resistance: ___ pounds per square foot (__
- MPa).
- 3. Air infiltration: ____ cubic feet per minute (cu
- m/hr).
- 4. Water infiltration: ____ cubic feet per minute (__
- cu m/hr).
-
- B. Performance requirements for polycarbonate sheet glazing:
- Conforming to requirements of 16 CFR 1201, ANSI Z97.1,
- and the following:
- 1. Weather resistance, when tested for 1500 hours in
- accordance with ASTM G 53 and QUV 313B:
- a. Light transmission: Change not to exceed 2
- percent.
- b. Yellowing intensity: Change not to exceed a
- delta of 2.
- c. Percent haze: Change not to exceed 3 percent.
- d. Coating integrity: Intact after testing period.
- 2. Abrasion resistance after 500 hours QUV weathering,
- when tested for 100 cycles with 500-gram CS10F wheel
- in accordance with ASTM D 1044: Change in haze 5.0
- percent maximum.
- 3. Coefficient of expansion, when tested in accordance
- with ASTM D 696: .0000375 inch per inch per degree F
- (0.0000675 ratio per degree C).
- 4. Modulus of elasticity, when tested in accordance with
- ASTM D 4065: 340,000 pounds per square inch (2343.96
- MPa).
- 5. Flexural strength, when tested in accordance with
- ASTM D 790: 13,500 pounds per square inch (93.06
- MPa).
- 6. Impact resistance, when tested in accordance with
- ASTM D 5420 (Drop Dart): 200 foot-pounds (271.16 N
- m) for 1/4-inch (6 mm) thick material.
- 7. Deflection temperature, when tested in accordance
- with ASTM D 648: 270 degrees F (132.2 degrees C)
- under 274 pounds per square inch (1.88 MPa) load.
- 8. Fire resistance rating: CC1, as determined by
- governing building code.
- 9. Self-ignition temperature, when tested in accordance
- with ASTM D 1929: Minimum 1000 degrees F (537.7
- degrees C).
- 10. Smoke density, when tested in accordance with ASTM D
- 2843: Maximum 75.
- 11. Maximum allowable continuous service temperature:
- 180 degrees F (82.2 degrees C).
-
- 1.5 SUBMITTALS
-
- A. Submit under provisions of Section 01300.
-
- B. Product Data: Polycarbonate sheet manufacturer's
- descriptive literature for each glazing type specified,
- including documentation of code compliance; include
- descriptive literature for recommended installation
- accessories.
- NOTE ** Delete the following paragraph if colors are
- specified in this section.
-
- C. Selection Samples: Two sets of color chips representing
- polycarbonate sheet manufacturer's full range of
- available colors.
-
- D. Verification Samples: Two samples, minimum size 6 inches
- (152 mm) square, representing actual color and finish of
- products to be installed.
-
- E. Quality Control Submittals:
- NOTE ** Delete the following sub-paragraph if no design
- requirements are specified in SYSTEM DESCRIPTION
- Article in this section.
- 1. Design Data: System analysis by polycarbonate sheet
- manufacturer verifying compliance of polycarbonate
- sheet glazing assemblies to specified design
- requirements; include details of glazing edge
- engagement, and allowance for anticipated thermal
- movements.
- 2. Manufacturer Qualifications: Documentation of
- specified manufacturer qualifications.
- 3. Manufacturer's Instructions: Printed installation
- instructions for polycarbonate sheet glazing; include
- storage, requirements, recommended glazing
- techniques, and installation accessories.
- 4. Specimen warranty documents.
-
- F. Closeout Submittals:
- 1. Operation and maintenance data: Printed instructions
- on recommended cleaning and maintenance materials and
- methods.
- 2. Warranty documents specified in WARRANTY Article of
- PART 1 of this section.
-
- 1.6 QUALITY ASSURANCE
-
- A. Manufacturer Qualifications:
- 1. Minimum ten (10) years experience producing plastic
- glazing products.
- 2. Minimum five (5) completed projects on which
- manufacturer has supplied plastic glazing, similar in
- type and scope to this project; each completed
- project to be minimum five (5) years old.
- 3. Registered in accordance with ISO-9002 quality
- standards.
-
- B. Regulatory Requirements: Glazing materials to comply
- with the following building code:
- NOTE ** Delete any codes listed in the sub-paragraphs below
- which do not apply to project.
- 1. BOCA.
- 2. ICBO.
- 3. SBCCI.
- 4. Dade County FL.
-
- C. Mock-Ups: Supply materials for mock-ups required in
- affected sections.
-
- 1.7 DELIVERY, STORAGE, AND HANDLING
-
- A. Do not slide, drag, or drop polycarbonate sheet
- materials.
-
- B. Do not store polycarbonate sheet materials in areas
- subject to direct UV exposure.
-
- C. Store products of this section with polycarbonate sheet
- manufacturer's protective film intact.
-
- D. Maintain storage area in accordance with polycarbonate
- sheet manufacturer's instructions until installation of
- products.
-
- 1.8 WARRANTY
-
- A. Manufacturer's Warranty: Ten (10) year warranty against
- defects in materials, including breakage, discoloration,
- loss of light transmission, and coating delamination.
-
-
- PART 2 PRODUCTS
-
- 2.1 MANUFACTURERS
-
- A. Acceptable Manufacturer: GE Plastics Structured
- Products; One Plastics Avenue, Pittsfield MA 01201; ASD.
- Tel. (800) 752-7674, extension 8234; Fax. (413) 448-5478.
- NOTE ** Delete one of the two following paragraphs;
- coordinate with Division 1 requirements.
-
- B. Requests for substitution will be considered in
- accordance with provisions of Section 01600.
-
- C. Substitutions: Not permitted.
-
- 2.2 MATERIALS
-
- A. Plastic Glazing:
- 1. Acceptable product: LEXAN(R) MR10 translucent
- polycarbonate sheet with UV-resistant and abrasion
- resistant hardcoat surface treatment both sides.
- NOTE ** Insert requirements in the following three sub-
- paragraphs. Consult manufacturer's product
- literature for correct values.
- 2. Sheet thickness: 0.___ inch (____ mm) nominal;
- thickness tolerance plus or minus 5 percent.
- 3. Color: _______________________.
- 4. Light transmission: __ percent in accordance with
- ASTM D 1003.
- 5. Thermal transmission: U-value ____ (______ metric
- equivalent), as determined by calculations based on
- test data, in accordance with ASHRAE procedures.
-
- B. Accessories: Supply joint sealers and installation
- accessories specified in polycarbonate sheet
- manufacturer's instructions, or approved by polycarbonate
- sheet manufacturer, for indicated installation
- conditions.
-
-
- PART 3 EXECUTION
-
- 3.1 EXAMINATION
-
- A. Verification of Conditions:
- 1. Openings are in accordance with approved shop
- drawings required in Section 08800 and polycarbonate
- sheet manufacturer's instructions, and are plumb and
- level to required tolerances.
- 2. Glazing channels or recesses are sized for correct
- glazing edge engagement.
-
- 3.2 PREPARATION
-
- A. Clean glazing channels or recesses free of obstructions,
- soil, debris, and other materials.
-
- B. Seal porous glazing channels or recesses with primer-
- sealer compatible with substrate and polycarbonate sheet
- materials.
-
- C. Cut polycarbonate sheet materials to exact sizes
- required, with clean edges free of notches; clean contact
- edges with solvent compatible with polycarbonate sheet
- materials, as specified or approved by polycarbonate
- sheet manufacturer.
-
- 3.3 INSTALLATION
-
- A. Install plastic glazing in accordance with polycarbonate
- sheet manufacturer's instructions.
-
- B. Do not use glazing accessories not specified or approved
- by polycarbonate sheet manufacturer.
-
- 3.4 CLEANING
-
- A. Immediately after completing construction activities
- relating to installation of polycarbonate sheet
- materials, remove remainder of strippable masking from
- surfaces of polycarbonate sheet glazing; do not expose
- masking to sunlight for an extended period of time.
-
- B. Immediately after removing masking, clean glazing in
- accordance with polycarbonate sheet manufacturer's
- instructions:
- 1. Rinse surface with lukewarm water.
- 2. Wash surface with mild soap and lukewarm water.
- 3. Use soft cloth or sponge gently to loosen dirt and
- grime; scrubbing glazing surfaces, or using squeegee
- on glazing surfaces, is not permitted.
- 4. Repeat rinse as above, then wipe surface dry with
- soft cloth until surfaces are spotless and dry.
-
- 3.5 PROTECTION OF INSTALLED PRODUCTS
-
- A. Immediately after cleaning, cover polycarbonate sheet
- glazing surfaces with polyethylene sheeting, or other
- covering material approved by polycarbonate sheet
- manufacturer; secure covering in place by taping to
- framing members - do not tape covering to polycarbonate
- sheet materials.
-
- B. Protect installed glazing from damage to function or
- finish by subsequent construction activities.
-
- C. Repair minor damage to finishes in accordance with
- polycarbonate sheet manufacturer's recommendations.
-
- D. Replace glazing having damage to function, and glazing
- having damage to finishes which cannot be repaired to
- Architect's acceptance.
-
- END OF SECTION
-