Specifications - State of Delaware

DIVISION 11 - EQUIPMENT
SECTION 115213 - AUDIO-VISUAL EQUIPMENT
PART 1 - GENERAL
1.01 RELATED DOCUMENTS:
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and DIVISION 01 Specification Sections, apply to this Section.
1.02 SUMMARY:
A. Section Includes:
1. Electrically operated projection screens and controls.
2. Overhead projector mounting arms and brackets.
B. Related Sections:
1. DIVISION 05 Section "Metal Fabrications" for metal support framing for projection
screens.
2. DIVISION 26 Sections for electrical service and connections including device boxes for
switches and conduit.
1.03 REFERENCES:
A. American Architectural Manufacturers Association:
1. AAMA 611-1998 - Voluntary Specification for Anodized Architectural Aluminum.
B. ASTM International:
1. ASTM B221-04a - Specification for Aluminum-Alloy Extruded Bars, Rods, Wire,
Profiles, and Tubes.
2. ASTM C1036-01 - Specification for Flat Glass.
3. ASTM D1003-00 - Test Method for Haze and Luminous Transmittance of Transparent
Plastics.
4. ASTM D4802-02 - Specification for Poly (Methyl Methacrylate) Acrylic Plastic Sheet.
5. ASTM E84-05 - Test Method for Surface Burning Characteristics of Building Materials.
6. ASTM G21-96 (Reapproved 2002) - Practice for Determining Resistance of Synthetic
Polymeric Materials to Fungi.
C. NFPA:
1. NFPA 70-2005 - National Electrical Code.
2. NFPA 701-2004 - Standard Methods of Fire Tests for Flame-Resistant Textiles and
Films.
D. Society of Motion Picture and Television Engineers:
1. SMPTE RP 94-2000 - Gain Determination of Front Projection Screens.
1.04 DEFINITIONS:
A. Gain of Front-Projection Screens: Ratio of light reflected from screen material to that reflected
perpendicularly from a magnesium carbonate surface as determined per SMPTE RP 94.
B. Half-Gain Angle: The angle, measured from the axis of the screen surface to the most central
position on a perpendicular plane through the horizontal centerline of the screen where the gain
is half of the peak gain.
1.05 SUBMITTALS:
A. Product Data: For each type of product indicated.
DEAN115213.DOC 115213-1