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SteelCore SCT‑5506‑341K Gallon Water Storage TankSteelCore SCT‑5506‑341K Gallon Water Storage TankSteelCore SCT‑5506‑341K Gallon Water Storage TankSteelCore SCT‑5506‑341K Gallon Water Storage TankSteelCore SCT‑5506‑341K Gallon Water Storage TankSteelCore SCT‑5506‑341K Gallon Water Storage Tank

SteelCore SCT‑5506‑341K Gallon Water Storage Tank

💧 Galvanized Steel Corrugated Tank for Potable Water, Fire Protection, Irrigation, or Industrial Storage



🛠️ Product Overview

The SteelCore SCT5506 is a heavy‑duty bolted corrugated steel tank with a usable capacity of 340,655 gallons. Engineered with G115/G140 galvanized steel panels and a 10° low J‑rib roof, this tank is designed for long-term storage of fire protection water, potable water, irrigation, stormwater, and industrial fluids. It meets NFPA 22 fire codes and IBC/ASCE 7 seismic and wind standards.



🧱 Supplemental Construction & Engineering Details

Built for high-performance and structural durability:

  • Structured 10° low J‑rib galvanized roof with 4.5″ overhang

  • Estimated usable capacity: 340,655 gallons (based on 30″ seismic freeboard & flange loss)

  • Seismic Use Group: III | Risk Category: IV

  • Importance Factor: 1.50

  • Wind Design: 125 MPH

  • Roof Snow Load: 10 psf | Roof Live Load: 25 psf

  • Anchoring: Fully stiffened with galvanized threaded rods

  • Seismic: Ss = 0.199 | S1 = 0.082

  • Foundation: Concrete slab

 🧪 Liner System & Internal Components

Includes the EIA‑36 flexible containment system:

  • 10‑Year Conditional Warranty

  • NSF‑61 Certified Ethylene Interpolymer Alloy Liner

  • Factory-welded seams with reinforced rope edge and grommets

  • 8 oz. geotextile pre-liner

  • Liner hanging hardware



⚙️ Fittings & Appurtenances

  • SCT logo on tank ring

  • (1) 1″ TXT deck/roof fitting for controls

  • (1) 1.5″ 304 SS sidewall FNPT flange (controls)

  • (2) 2″ galvanized ANSI 150# nozzles (inlet & drain)

  • (1) 4″ Sch. 80 PVC overflow wall flange

  • (1) 6″ wall-mounted steel fire outlet with AV plate

  • (1) 24″ bolted side shell manway

  • (1) OSHA ladder kit – 6 rings, ladder cover, 3′ partial guardrail, self-closing gate

  • (1) Reverse read water level indicator – 22′ with SS float and hardware

  • (3) Gooseneck roof vents

  • (36) Heavy-duty galvanized anchors and bolts



🧾 Engineering & Certification

  • Full Structural Design Package (SDP)

  • PE-stamped drawings and fitting orientation map

  • 20-Year Conditional Structural Warranty

  • NFPA 22 Fire Protection Equivalent

    📞 Contact Us for freight quote and lead time

    Potable Water Brochure


  • Fire Tank Brochure

$263,206.53
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📏 Key Specifications

Usable Capacity: 340,655 gallons
Model: SCT5506
Diameter: 55.8 ft
Eave Height: 21.3 ft
Roof Style: 10° Low J‑Rib
Wall Material: G115/G140 Galvanized Corrugated Steel
Foundation: Concrete slab with seismic anchoring
Liner: NSF‑61 Certified Flexible Membrane
Compliance: NFPA 22 | IBC | ASCE 7-16
Accessories: OSHA ladder, manway, vents, overflow, level gauge



🚚 Shipping & Handling

Packing: Flat-packed roof, panels, liner, and hardware
Shipping Weight: 19,062 lbs
Delivery: Ships from USA – freight quote required
Lead Time: 8–12 weeks standard
Unloading: Forklift or crane required on site

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