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Modular BDF Underground Water Storage Solution for Commercial, Industrial, and Fire Protection Applications
Commercial underground water tank installed in building basement for fire protection and water supply system
Factory groundwater storage tank installation completed
Underground water tank customization
  1. Modular BDF Underground Water Storage Solution for Commercial, Industrial, and Fire Protection Applications
  2. Commercial underground water tank installed in building basement for fire protection and water supply system
  3. Factory groundwater storage tank installation completed
  4. Underground water tank customization

Commercial Underground Water Tank for Building Water Systems

Commercial underground water tanks are designed for building water supply, fire protection, and industrial storage systems. The modular BDF structure provides high strength, corrosion resistance, and long service life.

Key Points Tag :

Customizable
15 years of experience
Original Manufacturer
Full product range
Shipping/Land transport
Wire Transfer

Modular BDF Underground Water Storage Solution for Commercial, Industrial, and Fire Protection Applications

The GSC Modular Water Tank is a galvanized and stainless steel composite water tank, constructed using three types of premium materials. The inner layer consists of high-quality stainless steel, while the outer layer features hot-dip galvanized steel, with a high-modulus material sandwiched in between.
Commercial underground water tanks are designed for building water supply, fire protection, and industrial storage systems. The modular BDF structure provides high strength, corrosion resistance, and long service life.
Commercial underground water tank installed in building basement for fire protection and water supply system Installation site of large underground water tanks
This composite plate is formed through high-pressure and high-temperature processes, resulting in a durable and efficient water tank solution. The combination of stainless steel and galvanized steel ensures excellent performance for storing potable water.
The GSC modular water tank is suitable for both above-ground and underground installation, making it ideal for rainwater collection. Its underground application effectively addresses space limitations, providing a practical solution for areas with tight land availability.

Applications of GSC Water Tanks:

  • Water storage (rainwater, seawater, irrigation, water treatment)
  • National, provincial, and state parks
  • Construction and fire-fighting water supply
  • Water circulation systems
  • Agricultural feeding operations
  • Fishing and shrimp tanks
  • Temporary water storage for heating system expansions
  • Widely used across industries, mining, public institutions, restaurants, reclaimed water disposal, fire control, and various other facilities.
These tanks are versatile, durable, and efficient, making them suitable for a wide range of uses in various sectors.
Underground water tank customization Food grade water tank material

Water Tank Structure

  • Panels (including bottom panel, wall panels, roof panel, and manhole cover);
  • Internal Components (including internal ladder, tie rods, supports, flanges, and rubber seals);
  • External Components (including external ladder, angle iron, tie plates, bolts, and nuts);
  • U-steel Base (surface treatment options include paint, hot-dip galvanization, or stainless steel).

Tank Height and Panel Thickness Design Reference

Height Bottom Board Side 1 Side 2 Side 3 Side 4 Side 5 Top board
1000 mm 3 mm 3 mm 2 mm
1500 mm 3 mm 3 mm 3 mm 2 mm
2000 mm 3 mm 3 mm 3 mm 2 mm
2500 mm 4 mm 4 mm 3 mm 3 mm 2 mm
3000 mm 4 mm 4 mm 3 mm 3 mm 2 mm
3500 mm 4 mm 4 mm 3 mm 3 mm 2.5 mm 2 mm
4000 mm 5 mm 5 mm 4 mm 3 mm 2.5 mm 2 mm
4500 mm 5 mm 5 mm 5 mm 4 mm 3 mm 2.5 mm 2 mm
5000 mm 5 mm 5 mm 5 mm 4 mm 3 mm 2.5 mm 2 mm

Accessories

  • Bolt nut & washers stainless steel 304 material.
  • The combination of Ethylene Vinyl Acetate (EVA) and natural rubber sealant tape.
  • Covers the tank cover shall be constructed from 3mm to 5mm of thickness steel 304 material according to the requirement.
  • Ladders and Level Indicator. Internal & external ladder shall be made of stainless steel grade 304 material.

Instructions

  • Only hold water for life or fire water. Not hold hydrochloric acid,
  • sulfuricacid,acid or alkaline liquid.
  • The water tank regular cleaning and disinfection 1-2 times a year.
Product Name

GSC underground water tank
Material

Q235, SUS201, SUS304, SUS316
Grade

Food Grade
Origin

China
Panel Size

0.5*0.5m, 1*0.5m, 1*1m, 2*1m
Panel thickness

From 5mm to 24mm
Certification

ISO3834, ISO9001
HS Code

730990
Capacity

1000Litres -Infinity
Foundation

Concrete Foundation, U-Steel Bottom Bas
Installation

Sitting Type, Welding
Production Capacity

2000Ton/Month
Transport Package

Pallet Box, Plywood Pallet, Steel Frame
Sample

Provided
After-Sale Service

Online Technical Support

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Professional Design Capability

Modular Water Tank CAD Drawings, Square Steel Water Tank Design & Installation Details
Modular Water Tank CAD Drawings & Square Steel Water Tank Design
Square Water Tank Panel Specifications & Dimensions

Packing & Shipping

  • The products are packaged using iron frames or plywood boxes to ensure they are not damaged during land transportation and shipping.
  • Each individual package is covered with a waterproof film to prevent exposure to moisture during long-term sea transportation.
  • Accurately label all panels and accessories to facilitate quick installation by customers.
Water Tank Panel Packaging 1 Plywood Box

Water Tank Panel Packaging 1
Plywood Box

Water Tank Panel Packaging 2 Steel Frame Support

Water Tank Panel Packaging 2
Steel Frame Support

Hot-Dip Galvanized Water Tank Export Packaging

Water Tank Panel Packaging 3
HDG

FRP Water Tank Export Packaging

Water Tank Panel Packaging 4
GRP/FRP

Large Components Loose Packing

Large Components
Loose Packing

Small Accessories Packaging Plywood Box

Small Accessories Packaging
Plywood Box

Full Container Shipment Steel Frame Packaging

Full Container Shipment
Steel Frame Packaging

Full container or large accessories Nude packing

Full Container Shipment
Simple Packaging

Qualification & Certification

Our water tank products are designed and manufactured in strict accordance with domestic and international standards and have passed multiple industry-recognized certifications, including ISO 9001 Quality Management System certification, food-grade stainless steel material standards (SUS304 / SUS316), and drinking water safety-related certifications.

ISO 9001 Certification
SGS Material Content testing report
WRAS certificate
Stainless Steel Water Tank Panel Inspection Report

Delivery

  • For standard water tank less than 200m3, it would be 3-5 days;
  • For non-standard water tank and customized water tank according to client’s specific requirements, it would be 7 to 15 days.
  • The final delivery time shall be subject to the actual order confirmation.

The product information provided above may not be detailed or accurate enough. Please refer to actual communication for specific details. You are welcome to contact us！

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