Specifications include, but are not limited to: 1) Tanka)Vertical storage tank shall have a minimum capacity of 10,000 gallons of emulsified asphalt and oil products________________________b) Tank shall be fabricated of minimum ¼” steel________________________c)Tank shall have an attached steel stand toplace bottom of tank 8’above ground to allow gravity feed unloading________________________d)Insulation shall be minimum thickness of 3 inch fiberglass insulation rated to handle a minimum of 12,000 watts of heat________________________e) Cover insulation with aluminum sheeting for weather protection________________________f) Access ladder (rung style) to top of tank and access door________________________g)Tank shall be heated with minimum 3-4000 watt resistance heater probes. Probes shall slide into sealed steel tubes installed inside the tank with the top being capped________________________h) Tank heater shall have a programmable temperature controller________________________i)Tank shall be equipped with one 3” ball or gate valve for loading and unloading located at the bottom of the sidewall and centered on the platform. Tank shall also be equipped with one 6” ball or gate valve in the bottom of the tank for cleaning. 6” ball or gate valve to be located approximately 1’ from sidewall adjacent to the platform. Both valves shall be wrapped with 220-volt heat tape and insulated to aid in cold weather operations________________________j)Install a ¾” vacuum breaker ball valve on the line between the 3” ball/gate valve and the loading hose connection. Vacuum breaker ball valve shall be positionedverticallyabove the 3” line.________________________k)Tanks shall come with 3” diameter loading hose,minimum10’ long________________________l)Tanks shall come with a timed agitatorto be disconnected or shut off at the time of installation. But, should be easily reconnected or turned on for agitator use________________________m)Tank shall be equipped with a contents gauge with 100-gallon increments________________________n) 24” Manway o) Concrete platform to support tank________________________p) Steel Lifting Lugs With 2:1 Safety Factor________________________q) Slope bottom of tank 1” towards 6” valve________________________r)Secure nuts/bolts in tank to facilitate manholeremoval andreplacement________________________2) Stair & Platforma)Free standing and self-supporting platform that is 4 foot X 4 foot and 5 feet high with a minimum 4 foot wide stairway on one side (left or right to be specified before ordering). Stairway, platform, and handrails shall comply with OSHA 29CFR 1910 OSHA General Industry Regulations Section 1910.24 Fixed Industrial Stairs________________________b)Stairway, platform, and handrails shall have a standard enamel finish, color to be specified before ordering________________________c)Stair tread and platform deck shall be constructed using typical bar grating________________________d)Concrete platform and landing (minimum 3 feet beyond stair) to support stair and platform________________________3) Materialsa)Steel for Tank Body and Piping:Only new material shall be used in the manufacturing process, and the manufacturer shall ensure that the material used meets all appropriate specifications and quality assurance requirements________________________b)Fasteners and Accessories: Provide all necessary hardware, accessories and incidental materials required for complete factory integration/fabrication of emulsion tank system________________________c)Welding Materials: Conform to AWS code and AWS filler metal specifications for material being welded________________________d)Primer & Finish Paint: Zinc based epoxy primer, certified to be compatible with finish coats specified. Finish Paint: High-gloss polyurethane________________________e)Integrated Components: Valves, Vents, and other components necessary for a complete system to be incorporated as outlined on project specific parts list. All vents and valves must be installed to maintain strict quality control standards
