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MULTIPLE STORAGE SYSTEM FOR
USED OIL COLLECTION and NEW OIL DISPENSING SYSTEM
WITH ENVIRONMENTAL TANK ENCLOSURE


1.0 GENERAL TANK DESCRIPTION:

1.1 The Dual KOMBOTANKS are constructed in accordance with National, State, and Locally recognized Aboveground Storage Tank Standards, such as: Underwriters Laboratory Standard 142 for the primary tank, National Fire Protection Association Sections 30 & 30A, and Uniform Fire Code.

1.2 The Dual KOMBOTANKS are constructed as a multiple product collection and dispensing system at utilizes a single primary steel storage tank with a single internal bulkhead (additional bulkheads are available). The tank, with accessories, shall be placed within a secondary tank enclosure.

1.3 The secondary tank enclosure shall provide a minimum of 110% secondary containment for the primary tanks, and 360� radius containment for the primary tanks and control assemblies.

1.4 The control assemblies shall be new, and installed on top of the primary tank at the factory.

1.5 The anchoring tie downs shall be an integral part of the exterior support feet and shall be welded to the bottom of the Environmental Tank Enclosure.

1.6 The KOMBOTANK must be off-loaded on site with a large forklift or crane.

1.7 All openings in the primary tanks shall be from the top, with threaded NPT fittings.

1.8 The KOMBOTANK Manufacturer shall provide certificate of insurance that provides a minimum of eleven million dollars ($11,000,000) of Product Liability Coverage per occurrence.

1.9 The KOMBOTANK shall include a one (1) year warranty for the tanks and accessories.

1.10 The KOMBOTANK manufacturer shall provide proof of a minimum 5 years of manufacturing KOMBOTANKS.

2.0 PRIMARY STORAGE TANK:

2.1 The standard primary storage tank shall be rectangular in design. It shall be constructed of UL specified steel thickness, with continuous welds.

2.2 The primary storage tank shall be constructed and listed in accordance with UL 142 standards.

2.3 The primary tank shall be fitted with a minimum of: a 3/4" product inlet, a 2" overfill prevention valve, a 2" suction tube for product withdrawal, a 2" primary working vent, either a 4" or 6" emergency vent, a 2" product level gauge, and a 1" sampling port.

2.4 The primary tank shall be pressure tested to UL 142 Standard (minimum 3 to maximum 5 psi) at the factory.

2.5 The primary tank shall be mounted within the secondary containment cabinet by means of at least four (4) stabilizing brackets to prevent the primary tank from shifting.

2.6 The primary tank shall be placed within the secondary containment cabinet with a minimum of 3" visual clearance around all sides to allow for 100% visual inspection.

2.7 The exterior of the primary tank shall be cleansed of foreign material, and coated with a corrosion resistant industrial paint (3 to 5 mils dry film thickness).

3.0 ENVIRONMENTAL TANK ENCLOSURE:

3.1 The Environmental Enclosure (secondary leak containment tank) shall be rectangular in design and constructed with a minimum 12 ga. steel. All welds shall be full penetration.

3.2 The Environmental Enclosure shall be separate from the primary tank, and shall not be welded or attached to the primary tank in any fashion.

3.3 The secondary leak containment tank shall completely enclose the primary tank and all operating equipment (360� radius), providing secondary containment to the primary tank and operating equipment. It shall be sized to contain 110% of the primary tank storage capacity.

3.4 The inside bottom of the secondary tank shall be fitted with a minimum of two (2) raised steel channels, (a minimum of 2" in height), to support the primary tank above the secondary tank floor.

3.5 The secondary tank shall be supported by two (2) 4" high steel support feet channels with integral anchoring holes to maintain ground clearance for better anchoring to concrete foundation.

3.6 The secondary tank shall contain a removable, locking roof that provides at least 30" of clearance from the top of the primary tank to the bottom of the roof.

3.7 The secondary containment cabinet shall contain louvered vents on the cabinet which is above the level of the primary tank. These vents shall provide a minimum of 20" of venting capacity.

3.8 The secondary containment cabinet shall contain a knock-out hole above the primary tank level to provide for the working vent installation. Internally threaded couplers for air supply hose (1/2") and product suction (3/4") shall be welded into the side of the cabinet above the top of the primary tank, so that the respective hoses are easily installed, and contractors do not have to create any hole in the side of the cabinet. The cabinet shall not be drilled or penetrated, or in any way destroy the integrity of its containment capacity.
3.9 The secondary containment cabinet shall include a hinged, locking security door with viewpoint for the product level gauge and OPTIONAL annular space leak detection gauge, and shall be mounted on a removable door frame, at or above the level of the primary tank. This will provide access to the components for service or extraction operations. The re