Specifications: Pyramid skylights shall be factory-assembled Model 120 (or 121) pyramids 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 pyramid elevating leg with continuous EPDM gasket, and self-adjusting counter flashing. Pyramid shall be formed of (clear, white translucent or bronze) acrylic. (For Model 121, add: Inner pyramid shall be formed of clear (clear or white translucent) acrylic.) Add alternate: Provide fall protection as required by OSHA Regulation 1926.501 ÒDuty to Have Fall ProtectionÓ.