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✓ Built to Spec. Assembled on Site.

Bolted Steel Tanks

Bolted steel tanks are site-assembled storage systems built from factory-fabricated steel panels that are bolted together on location. This makes them a practical choice for projects where capacity requirements, site access, or future expandability make field-erected construction preferable to factory-built alternatives. These tanks are available in a range of configurations to support municipal water supply, fire protection, dry flowable use, industrial process storage, and other infrastructure applications.

NSF/ANSI 61/ AWWA Certified

Download Spec Sheet

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Spec List

  • Straight seam, flat panel; factory-fabricated and coated.
  • Carbon steel; factory powder epoxy coated.
  • Available with UV-protective exterior coating on upper rings.
  • Aluminum Dome: Available for covered applications.
  • Site-assembled using building jacks; no scaffolding required.

Benefits

  • Site-assembled without scaffolding or field welding.
  • Flat panels ship by flatbed; viable for remote and access-restricted sites.
  • Panels arrive 100% factory-coated and shrink-wrapped, minimizing field touch-up.
  • Roof options include open-top and aluminum dome configurations.

Applications

  • Potable Water: Municipal supply, rural water districts, standpipes, reservoirs.
  • Fire Protection: Private fire suppression storage per NFPA 22.
  • Process: Equalization, sludge storage, thickeners, clarifiers, dewatering.
  • Dry Bulk Hoppers: Dry bulk material storage; hopper configurations available.
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Bolted Steel Tank Standards & Compliance

Potable water tanks are constructed per AWWA D103 with a powder epoxy coating carrying NSF/ANSI 61 approval for drinking water contact. Fire protection tanks are designed to NFPA 22 and AWWA, with Factory Mutual (FM) approval available where required. Wastewater configurations are engineered to applicable AWWA load requirements and can be adapted for equalization, digestion, sludge storage, and related treatment applications.

Our Sales specialists are available to assist with AHJ coordination, specification compliance review, and documentation packages required for municipal, industrial, and federal project approvals. Where projects require FM approval or specific design criteria beyond standard configurations, those requirements can be incorporated into the tank design at the time of quote.

Liquid Tank Capacity Chart

*Chart is an estimate please speak to a sales specialist for more information.

Diameter 3 Rings 6 Rings 10 Rings
9' - 2¾" 6,978 14,238 23,917
15' - 4⅝" 19,383 39,549 66,437
24' - 7⅜" 49,622 101,246 170,078
30' - 9¼" 77,534 158,197 265,747
40' 131,032 267,353 449,113
49' - 2¾" 198,487 404,984 680,313
61' - 6½" 310,135 632,787 1,062,990
76' - 11⅛" 484,586 988,730 1,660,922
92' - 3¾" 697,804 1,423,771 2,391,727

Installation Steps

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Foundation must be complete before panels arrive. Confirm site access for flatbed delivery and verify footprint, grade, and anchor bolt placement to spec prior to panel arrival.

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Step 1

Site & Foundation Prep
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Step 2

Panel Assembly

Panels are unloaded from shrink-wrapped pallets and assembled using a building jack method. No scaffolding or field welding required.

Foundation must be complete before panels arrive. Confirm site access for flatbed delivery and verify footprint, grade, and anchor bolt placement to spec prior to panel arrival.

Specialist Support for Your Storage Project

Talk with a specialist for practical guidance and equipment recommendations.

1-863-261-8388 Contact a Specialist

Frequently Asked Questions

Common questions about bolted steel tank construction, coatings, and specifications.

How are bolted steel tanks assembled on-site?

Panels are raised using a building jack method, eliminating the need for scaffolding or field welding. This allows installation in tight spaces and close to existing structures.

Do bolted steel tanks require cathodic protection?

No. All panel surfaces including exposed edges and the floor underside are 100% coated at the factory, minimizing the need for cathodic protection.

What coating is used on the interior, and is it safe for drinking water?

The interior uses a powder epoxy coating that carries NSF/ANSI 61 approval for drinking water contact, applied per AWWA D103 requirements.

What roof options are available?

Tanks are available with an aluminum dome cover or open top. Open top configurations include a UV-protective exterior coating on the upper rings.