BENCH TOP TANK SPECIFICATIONS

FOR SINGLE WALL AND/OR SECONDARY CONTAINMENT ABOVEGROUND TANKS
FOR FLAMMABLE AND COMBUSTIBLE LIQUIDS, NON FIRE RATED


1.0 GENERAL TANK DESCRIPTION:

1.1 Bench Top Aboveground Storage Tanks, for Flammable and Combustible Liquids are designed, constructed, and listed in accordance with Underwriters Laboratories, Inc. Standard UL 142. UL 142 is the standard for Steel Aboveground Tanks for Flammable and Combustible Liquids. The listing shall meet all requirements for atmospheric tanks of The National Fire Protection Association Sections 30, 30A, 31, and The Uniform Fire Code Article 79.

1.2 Bench Top tanks are designed and UL listed as atmospheric tanks with a maximum working pressure of 1 PSI.

1.3 The primary tank and the secondary containment tank shall have passed a proof of design hydrostatic pressure test of 25 PSI.

1.4 Each single wall Bench Top tank shall be equipped with five (5) NPT openings, in addition to one for an emergency vent. All secondary containment Bench Top tanks shall incorporate the single wall openings plus an additional two (2) NPT openings, for monitoring the interstitial space and an emergency vent. The emergency vents shall be sized per NFPA & UL 142 requirements.

1.5 The tank Manufacturer shall provide proof (upon request) of a minimum 10 years of manufacturing UL 142 listed rectangular tanks.

1.6 Bench Top tanks include a 1 year warranty.

1.7
1.7 Tanks shall be provided with threaded PVC plugs in fittings (water tight).

1.8 Tanks shall be provided with a minimum of two (2) support feet.

 

2.0 PRIMARY STORAGE TANK (SINGLE WALL TANKS)

2.1 The primary storage tank shall be rectangular in design and constructed of UL 142 specified steel thickness, with continuous welds.

2.2 The primary storage tank shall be constructed of ASTM A-569 or A-36 carbon steel, as required for compatibility of product being stored.

2.3 The primary tank shall be pressure tested in the factory to UL 142 specifications (3 PSI).

2.4 The tank shall be fitted with: a 2” fill port, a 2” normal vent, either a 4”, 6” 8” or 10” emergency vent port, a 2” liquid gauging port, two (2) 2” spare ports, and an 18” manway (for tanks with capacities of 5,000 gallons and larger)

 

3.0 SECONDARY CONTAINMENT TANK (DOUBLE WALL TANKS)

3.1 The secondary containment tank shall be rectangular in design and constructed of UL 142 specified steel thickness, with continuous welds.

3.2 The secondary containment tank shall be listed by Underwriters Laboratories as secondary containment under UL 142 standard.

3.3 The secondary containment tank shall provide a minimum of 110% secondary containment.

3.4 The secondary containment tank shall be equipped with a 2 inch monitoring port and a 4”, 6”, 8”, or 10” emergency vent port as required by Underwriters Laboratories, Inc.

3.5
3.5 The secondary containment tank shall be pressure tested in the factory to UL 142 specification (3 PSI).

 

4.0 COATINGS

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

4.2 The standard color shall be red.

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