





SteelCore SCT‑4906‑301K Gallon Water Storage Tank
💧 Galvanized Steel Corrugated Tank for Potable Water, Fire Protection, Irrigation, or Industrial Storage
🛠️ Product Overview
The SteelCore SCT‑4906‑LVR is a heavy‑duty bolted corrugated steel water storage tank with a capacity of 301,074 gallons. Fabricated from galvanized G115/G140 steel panels with a 10° low V‑rib roof, this tank is suitable for potable water, wastewater, irrigation, mining, fire protection, and rainwater harvesting. Designed for structural integrity and long-term performance, it accommodates anchors, NSF‑61 membrane liners, OSHA ladders, roof rails, overflow, and more.
🧱 Supplemental Construction & Engineering Details
The SteelCore® SCT-4906-SVR is a premium galvanized bolted steel tank system built to meet rigorous structural, seismic, and fire protection standards. Manufactured from G115 galvanized corrugated steel, it features a 30° structured roof with V-rib panels and a 4.5" overhang, offering both strength and weather protection. The tank includes a bolted roof cap and roof manway for easy inspection access. While the nominal gross capacity is 301,074 gallons, the usable capacity is estimated at 269,232 gallons, accounting for a 30" seismic freeboard and internal flange loss.
Engineered for Fire Protection Water storage, the system meets:
IBC/ASCE 7-16/NFPA 22 compliance
Risk Category IV, Use Group III
Importance Factor: 1.50
Design Wind Speed: 123 MPH
Roof Snow Load: 40 psf
Roof Live Load: 25 psf
Anchoring: Fully stiffened base, bolted anchoring system
Seismic Rating: Ss 0.057 / S1 0.037
(Customers must verify site-specific codes and requirements)
🧪 Liner System & Internal Components
This tank includes the EIA-36 containment system:
10-Year Conditional Warranty for irrigation, rainwater, potable, or fire protection use
NSF-61 Certified Ethylene Interpolymer Alloy Liner with factory-welded seams, reinforced top edge rope, and grommets
8 oz. Geotextile Pre-Liner and liner hanging hardware
⚙️ Fittings & Appurtenances
SCT Logo on lower tank ring
(1) 1" Roof Deck Fitting for Controls
(2) 1.5" 304 SS Wall Flanges (High/Low Control & Temp Switch)
(1) 8" ANSI 150# Galv. Steel Nozzle (Inlet)
(1) 4" ANSI 150# Galv. Steel Nozzle (Drain)
(1) 10" ANSI 150# Galv. Steel Nozzle (Overflow)
(1) 8" Wall-Mounted Fire Outlet w/ AV Plate Anti-Vortex Assembly
(1) 6" ANSI 150# Galv. Steel Nozzle (Heater)
(1) 24" Bolted Side Shell Manway
(1) OSHA-Compliant Ladder Package – 6 rings, ladder cover, 3' guardrail, self-closing gate
(1) Reverse Read Level Indicator – 22 ft with site gauge, SS hardware, float and weight
(3) Gooseneck Roof Vents – 196 in² open area
(32) Heavy-Duty Galv. Anchors and bolts – est. 7/8" dia threaded rods
🧾 Engineering & Certification
Full Structural Design Package (SDP)
PE-Stamped Drawings with complete Fitting Orientation Map
20-Year Conditional Structural Warranty
Equivalent to NFPA 22 fire code compliance
📞 Contact Us for freight quote and lead time
Potable Water Brochure
Fire Tank Brochure
Product Details
📏 Key Specifications
Capacity: 301,074 gallons
Model Number: SCT‑4906‑LVR (SteelCore PN 4906)
Diameter: 49.49 ft
Roof Style: 10° Low V‑rib galvanized steel
Wall Material: Corrugated galvanized steel (G115/G140 zinc coating)
Weight: 19,062 lbs
Foundation: Concrete base; seismic anchoring per ASCE‑7
Accessories & Safety: OSHA ladders, roof rails, manways, vents, overflow, level gauges, catwalks
Liner Option: Flexible NSF‑61 potable water membrane
Fittings: ANSI flanged/bolted options; flanged outlets/inlets to suit application
Roof & Shell Panel Connection: High‑tensile bolts, zinc/galvanized per ISO 1461
Compliance: Meets AWWA & NFPA 22 where required
🚚 Shipping & Handling
Packing: Flat‑packed steel panels, roof structure, hardware, liner (if ordered)
Shipping Weight: Approx. 19,062 lbs
Shipping Method: LTL or containerized flat rack freight
Delivery: Ships from USA—request freight quote for your location
Lead Time: Typically ships in 8–12 weeks (confirm at time of quote)
Unloading: Crane or forklift required due to panelized parts