Specifications include, but are not limited to: MARAVILLA BUS SHELTER OR EQUAL Welding: 1) All structural shop welds shall be done by electric shielded arc process. Field welds shall be performed by welders, certified by the American Welding Society (AWS) or approved by the County of Los Angeles, and inspected by the Project/Office Engineer. All steel welding shall conform to AWS Standard D1.1 using E70XX low hydrogen electrodes. Structural Materials: Extruded aluminum members shall be aluminum ASTM-B221 or better. Structural steel shall conform to ASTM A-36, minimum yield strength of 36,000 psi or of equal / better strength which are readily available. Reinforcing steel shall conform to ASTM A615, deformed grade 60. Structural tubing shall have rounded edges and conform to ASTM A501 or A-53 Grade B. All structural framing members and mullions shall be 1-piece seamless extruded tubes of aluminum 6061-T6 or 6063-T5 alloy. Design Criteria: Shelters shall be designed to withstand minimum dead loads of 40 psf and minimum wind loads of 115 mph or that required by the latest edition of the Los Angeles County Building Code. Shelters must be designed to withstand a variety of conditions including, at a minimum, inclement weather, salt air, high winds, and bright sunlight. Aluminum embedded items shall not be in direct contact with rebar or structural steel. Paint: Shelter frame color shall be black. Paint must be applied with baked polyurethane or powder coated finish. All exposed steel and iron components shall be shop galvanized and powder coated after welding and assembly.
