Specifications: Dome skylights shall be factory-assembled Model 100 (or 101 double dome) as manufactured by Plasteco, Inc., Houston, Texas (800-231-6117; fax 713-453-8372). Each unit shall have an inner frame (.072") and an outer frame (.050") of 6063-T5 extruded aluminum. Inner frame shall have a 6¡ sloping condensation gutter with weepage, a dome elevating leg with continuous EPDM gasket, and self-adjusting counter flashing. Dome shall be formed of (clear, white translucent or bronze) acrylic to support a uniform 40 psf load. (For Model 101, add: Inner dome shall be formed of (clear or white translucent) acrylic.) Add alternate: Fall protection as required by OSHA Regulation 1926.501 ÒDuty to have fall protectionÓ shall be provided by Model A Fallguardª Skylight Screens. Fallguardª Skylight Screens shall be shipped separately and installed prior to the installation of the skylight. Add Alternate: Plasteco Hail Stone Screens meet the Factory Mutual recommendations for hail screens. The hail screens must resist impact of a 2" in diameter hail stone having an impact energy of 22 ft. lbs. Specifications: Hail stone screen shall consist of a 1" x 1" x .062 galvanized welded wire mesh overlaid on the FallGuardª Skylight Screen.