Secondary Containment & Spill Prevention Systems


Secondary Containment Systems: Modular & Military Secondary Containment


  • Portable
  • 100% Containment
    for tanker trucks
  • Super duty drop &
    set ramps surface design
  • Convenient drain ports
  • Easy to assemble or relocate
  • Fiberglass laminated cooler
  • Optional filter box systems
  • Super tough heavy duty

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Camel Tri-Star® Specifications

Summary: Non-porous, re-locatable, vehicle spill containment system that, using fiberglass composite materials, maximizes corrosion protection and strength.

Each Tri-Star System is manufactured from heavy-duty fiberglass laminations completely encapsulating a ¼” thick steel core. The steel core makes Tri-Star (and Containment Pad) the most rugged and durable vehicular spill containment systems available today. The walls are 9” high and sections are 7’ long by 13’ wide. 7’ sections may be slip fit end-to-end to create the needed length and capacity.

The TRI-STAR’s side walls are a unique tri-linear design. This design prevents the side walls from being damaged if a driver accidentally drives over them during system entry or exit.

Rugged, steel ramps are used to enter and exit the system. Ramps are available in lengths of 10’ (5’ up/5’ down) and 16’ (8’ up/8’ down) and 11’ wide.

Installation is fast and easy:

  • Each section is positioned from end to end and fastened together with heavy duty nuts and bolts.
  • Steel ramps (one ramp for a drive-in/back out; two ramps for drive through) are installed with the inner halves integrated into the ends of the system. The outside of the ramps are bolted to the end walls.
  • The system is secured to the substrate with steel hold downs. Guide posts are included and the steel filter box is external to the system.

Note that the Tri-Star System is surface-mounted, requiring no excavation and minimal site preparation.

Sectional joints are sealed with gasket or caulk sealant as is appropriate. In addition, each Tri-Star System includes a drain port in each corner. For added protection, an optional canopy can be custom fit to the Tri-Star. The canopy is approximately 15’ in height. Each canopy is secured to the system, not the ground. In additional to the canopy we also offer an optional external filter box with peat filter may be purchased to allow rainwater to flow out of the system while capturing liquid hydrocarbons.

Because the Tri-Star System is heavy-duty with a long life, sets up quickly, requires no excavation and is re-locatable, it is a fast cost-effective way to meet requirements for vehicular spill containment.

Key Tri-Star System Benefits Versus Alternatives:

  • May be used on any solid substrate
  • No excavation needed
  • Fast, clean installation
  • No routine maintenance with no cracking or gapping
  • Superior chemical resistance - even to high acid concentrations
  • Usable in cold or hot weather or wet and salty environments
  • May be re-located as the needs change
  • Modular design provides for a variety of capacities
  • Heavy-duty design allows vehicular transit of the side walls

Purpose: The TRI-STAR System is a super duty, rigid, modular system designed to contain incidental spills of liquids that occur during truck transfer operations or when vehicles are used as storage tanks.

Scope: This product specification covers materials, construction and workmanship, physical properties, chemical resistance and methods of testing.


The TRI-STAR is a fiberglass-encapsulated steel structure. Durable fiberglass laminations are bonded to a nominal 1/4” thick steel plate. Fiberglass offers great physical strength, excellent corrosion resistance and flexibility. Fiberglass mat and industrial grade isophthalic or vinyl ester resin as manufactured by Ashland Chemical or equivalent are used. A gel-coat surface resin of equal chemical resistance, with the additive antimony trioxide for flame retardance and U.V. protection is included. The flame spread rating is Class II. Tested by ASTM E-84.

Structure: The TRI-STAR’s side walls are a unique tri-linear design. Steel plate is welded 45 to the floor and wall, making the walls into triangular tubes. For maximum structural support, steel gussets are welded underneath the steel plate along the entire wall length. This design prevents the side walls from being damaged if a driver accidentally drives over them during system entry or exit. The ability of TRI-STAR systems to absorb high levels of static and dynamic loading provides positive assurance of spill containment. In addition, fiberglass provides the utmost in non-porous, corrosion protection against attack by a wide variety of industrial chemicals and liquid hydrocarbons.

Fiberglass reinforced construction is formed by combining resin with controlled amounts of fiberglass mat and woven roving. Polystar ensures that a corrosion barrier of not less that 30 mils as specified by industry standard PS 15-69 is provided to ensure consistency of product quality. The technical properties of a reinforced fiberglass laminate are:

Property at 73.4°F (23°C)

1/8” to 1/4” Thickness

Ultimate minimum tensile strength (PSI)


Flexural minimum strength (PSI)


Flexural minimum modules of elasticity (tangent, in PSI)


TRI-STAR Systems are manufactured in 7' long x 13’ wide x 9” high sections. To achieve the desired system length, sections are slip fit end-to-end. Thus, any system length can be created in increments of 7’. The overall system width of 13’ is achieved by positioning end to end sections. After the system sections are sited, installation consists of:

  • Bolting the pieces together
  • Sealing the sectional jointures with either mastic or fiberglass materials
  • Siting the steel ramp set(s)
  • Securing the TRI-STAR System to the substrate via steel hold downs

Each 20’ long section weighs approximately 1,600 pounds.

Operating Tempurature: The maximum operating temperature for fiberglass is 200F with excursions through 225F.

Quality Assurance:

CAMEL Systems are manufactured and tested according to industry standards PS 15-69 and 41-GP-22, Canadian and SPI/MTI Quality Assurance Report for FRP Corrosion Resistant Equipment.

Ramp Specification: Each heavy duty, steel ramp is a welded steel fabrication consisting of a 3/8” thick steel web supporting frame and a 3/8” thick steel diamond plate surface. The maximum load bearing for a ramp sited on a proper substrate is 40,000 pounds. Each ramp is a single piece construction that drops over the end wall. Each ramp weighs approximately 1,200 pounds. Integral to each ramp are two steel pockets and PVC guideposts. These guideposts help drivers align their vehicles when entering and exiting the system.

Warranty: TRI-STAR Systems are warranted against defects in workmanship and materials for a period of one (1) year from the date of purchase. Repair or replacement is at the discretion of the manufacturer. Customer or third party damage is excluded from warranty coverage.

Download the full Tri-Star Spec Sheet.


Polystar proudly manufactures custom secondary spill containment products for containing hazardous materials such as biofuel, chemicals, ethanol, oil, gas, diesel fuel and petroleum, fertilizers and pesticides. Our quality products include fiberglass containment berms, truck containment fuel bladders, dike walls, pallets, curb-style and track collector pan systems for railcars. We help achieve SPCC compliance for gas and oil refineries, class one rail and railcar companies, general industry, well services, hydraulic fracking and drilling companies, military and government entities. We also have 17 years of experience providing quality above-ground storage tank secondary containment systems and spill prevention for tanks, fuel pads, liquid terminals, substations, pipeline delivery and mobile refuelers.