1) NFPA 30, Flammable and Combustible Liquids Code. 2) NFPA 31, Standard for Installation of Oil Burning equipment.

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1 SECTION FUEL OIL STORAGE TANKS PART 1 - GENERAL 1.1 RELATED DOCUMENTS: A. The Conditions of the Contract and applicable requirements of Division 1, "General Requirements", and Section , "Mechanical General Provisions", govern this Section. 1.2 DESCRIPTION OF WORK: A. Work Included: Provide fuel oil storage tanks as specified, scheduled, and indicated. B. Types: The types of fuel oil tanks required for the project include, but are not limited to, the following: 1. Aboveground fuel oil tanks. C. Specification Sections: Refer to Specification Section Fuel Oil Piping for additional fuel oil system requirements. 1.3 QUALITY ASSURANCE: A. Manufacturers: Provide products complying with these specifications and produced by one of the following: 1. Modern Welding Co., Inc.. 2. Convault. 3. Envirosafe. B. Manufacturer's Qualifications: 1. Manufacturer of tanks to be reputable firm regularly engaged in design and manufacture of equipment specified. 2. Equipment to be substantially manufactured in manufacturer's own facilities. 3. Equipment furnished to be type that has been commercially available and in satisfactory operation for 5 years minimum. C. Regulatory Requirements: 1. Tanks shall be constructed to meet or exceed applicable requirements as set forth for nonmetallic underground flammable liquid storage per following: a. National Fire Protection Association (NFPA): 1) NFPA 30, Flammable and Combustible Liquids Code. 2) NFPA 31, Standard for Installation of Oil Burning equipment. 3) TNRCC, Chapter Underground and Aboveground Storage Tanks. 4) Conform to applicable EPA, State of Texas and Local Regulations for installation of fuel oil systems. 5) Tanks shall be UL-certified per UL Standard UL-2085, as applicable for storage of flammable liquids and an UL-certification plate shall be attached to each tank. E&C Project No Fuel Oil Storage Tanks

2 2. Tanks shall be Factory Mutual approval per FM Standard IM 7A0AF. 3. Equipment and accessories shall meet or exceed applicable federal, state and local requirements for installation and be in conformance with local building code and fire department requirements. 4. Tank construction shall comply with Federal Law (P.L.) D. Warranty: 1. Tanks shall be provided with a minimum 25 year manufacturer s warranty against leaks, corrosion and manufacturing defects. 1.4 SUBMITTALS: A. Shop drawings submittals shall include, but not be limited to, the following: 1. Tank cut sheets with all features and accessories clearly indicated. 2. Cut sheets on tank monitoring system, including accessories, options and wiring diagrams. 3. Certification that tanks are in conformance with all applicable current standards and requirements. 4. Submit complete wiring diagrams for tank monitoring equipment. 5. Manufacturer's written tank installation instructions. 6. Manufacturer s recommended tank test procedure. 7. Tank finish system documentation. 8. Tank warranty documentation. 9. Existing tank disposal procedure documentation. 10. Additional information as required in Section Mechanical General Provisions. 1.5 PRODUCT DELIVERY, STORAGE AND HANDLING: A. Deliver fuel oil tank components in factory-fabricated water-resistant wrapping. B. Handle fuel oil tank components carefully to avoid damage to material component, enclosure and finish. C. Store fuel oil tank components in a clean, dry space and protect from the weather. PART 2 - PRODUCTS 2.1 ABOVEGROUND FUEL OIL TANKS: A. General: Provide Modern Welding Co., Inc. Fireguard series of approved equal UL 2085 Protected Above Ground Storage Tanks (AST) with welded carbon steel (internal) tanks and welded carbon steel secondary (external) tank built to UL 142 standards for fuel oil storage and suitable for concrete pad mounting as shown on the drawings. B. Accessories: Provide all required appurtenances for tanks, support legs, taps, fittings, fill pipes, internal risers, monitoring fittings, UL listed emergency vents and other components and accessories as shown on the drawings and as required for a complete code compliant installation. C. Insulation: Tanks shall have lightweight thermal insulation which allows the tank toi exceed the requirements of the UL 2-hour fire test and which is sufficiently porous to facilitate quick emergency venting and/or leak detection. E&C Project No Fuel Oil Storage Tanks

3 D. Materials: Tanks (primary and secondary) shall be manufactured with carbon steel. Tanks shall be sandblasted to a SSPC-6 finish and the outside of the primary tank and the outside and inside of the secondary tank shall be primed and finish painted. E. Tanks Finish: All exposed portions of the tank shall be primed and finish painted with an epoxy primer/finish coat system which is UV and fuel resistant and which will provide a minimum of 25 year tank corrosion resistance service life when the tank is installed in an outdoor non-protected location. F. Certification Plate: Permanently affix Underwriters' Laboratories, Inc. label to each tank. G. Threaded Fittings - NPT: 1. Threaded fittings to be material of construction consistent with the requirements of the tank UL label and shall be 4" in diameter half couplings with cast iron plugs and shall include provisions for terminating a secondary containment system where applicable. 2. Reducers are to be used for smaller sizes where specified and provided with tank. 3. All threaded fittings to have machine tolerances in accordance with ANSI standard for each fitting size. 4. NPT fittings to withstand minimum of 150 feet/pounds of torque and 1,000 feet/pounds of bending, both with 2:1 factor of safety. 5. Fittings shall be provided as required for the project installation. H. Lifting Lugs: Provide lifting lugs on tanks capable of withstanding weight of tank with safety factor of 3:1. I. Warranty: Tanks shall be provided with the manufacturers standard one year materials and workmanship and 20 year leak warranty. J. Monitor Fittings: Tank shall have a minimum two test monitor fittings into the secondary tank. K. Tank Saddles: Provided welded steel support saddles for each tank. Number and location of saddles to be as recommended by the tank manufacturer and shall be capable of supporting the installed tank load. L. Nameplate and Labels: Affix non-corrosive nameplate showing manufacturer's name, address, identifying model number, serial number, fluid, size, capacity, and other pertinent data. PART 3 - EXECUTION 3.1 INSTALLATION: A. Install tanks and accessories in accordance with manufacturer's written installation instructions and all applicable codes, standards, and regulations. B. Install connections, fittings, fill pipes, vents, monitoring devices and other required components as shown on the Drawings and required for each tank. 3.2 FIELD QUALITY CONTROL: A. Testing: Check each individual tank system after installation for satisfactory performance and leakfree operation as recommended by the manufacturer and required by applicable current codes, standards and regulations. Minimum testing shall include pressure testing primary and secondary tanks at 5 psi with pressure gauge and soap solution on tank fittings for one hour with no detectable leakage. B. Certification: Certify that the complete fuel oil storage tank and monitoring systems are installed in accordance with all applicable current local, state and federal codes, standards and regulations. 3.3 ADJUSTMENT AND CLEANING: E&C Project No Fuel Oil Storage Tanks

4 A. Clean loose dirt, dust, and mandrel coatings from inside of tanks prior to filling. B. Verify interior of tank is dirt and dust-free prior to filling tanks. E&C Project No Fuel Oil Storage Tanks

5 3.4 DIESEL FUEL: A. General: Remove existing diesel fuel from the existing above ground storage tank before removing the tank. Existing fuel shall be reconditioned, stored and used to fill the new above ground storage tank. Provide additional diesel fuel as required for fuel oil system testing and to fill tank at the time of project acceptance. 3.5 EXISTING TANK REMOVAL AND DISPOSAL: A. Contractor shall remove the fuel from the existing storage tank, remove the tank and dispose of/recycle that existing tank in accordance with all applicable codes and standards. B. Contractor shall provide all applicable documentation, waste manifests and scrap receipts required to document that the existing tank was disposed of in accordance with all applicable codes and standards. 3.6 IDENTIFICATION: A. Refer to Section Basic Materials and Methods and applicable codes and standards for tank nameplate, labeling and warning sign requirements. END OF SECTION E&C Engineers & Consultants Inc. TX Firm Registration No. F E&C Project No Fuel Oil Storage Tanks