Specifications include, but are not limited to: PHYSICAL ATTACK RESISTANT GLASS CLAD POLYCARBONATE REPLACEMENT 15/16" GUARDVUE 500 2 PIECES - 81" X 47" 8 PIECES - 16-5/8" X 77" ALSO INCLUDE A PRICE FOR INSTALLATION. VENDOR TO DO ONSITE VISIT PRIOR TO BIDDING. MUST CONTACT US FOR APPOINTMENT 712-542-6108. 15/16" GUARDVUE 500 MAKEUP: 1/8" CLEAR HEAT STRENGTHENED GLASS .050" POLYURETHANE INTERLAYER 1/8" CLEAR POLYCARBONATE .025" POLYURETHANE INTERLAYER 1/4" CLEAR POLYCARBONATE .025" POLYURETHANE INTERLAYER 1/8" CLEAR POLYCARBONATE .050" POLYURETHANE INTERLAYER 1/8" CLEAR HEAT STRENGTHENED GLASS NOMINAL THICKNESS: .87" MAXIMUM SIZE - 48" X 84" LIGHT TRANSMITTANCE: 72% U-VALUE - .74 BTU/(HRXFT2XF) SHADING COEFFICIENT - .72 WEIGHT 7.0 LBS/FT2 APPLICABLE STANDARDS: ANSI Z97.1-1984 SAFETY GLAZING MATERIALS FOR BUILDINGS, ASTM C 1036 STANDARD SPECIFICATION FOR FLAT GLASS, ASTM C 1048 SPECIFICATION FOR HEAT TREATED GLASS TESTING TO: H.P. WHITE LEVEL B MODIFIED BALLISTICS - .357 (LOW SPALL) WMFL LEVEL II - 60 MINUTE PHYSICAL ATTACK STD WARRANTY: FIVE YEARS FROM DATE OF MANUFACTURE INSTALLATION: AS DETAILED IN VIRACON'S SECURITY GLASS PRODUCT SPECIFICATION GUIDE