A water tank may look straightforward on a project plan. Then the site inspection begins.
The access road is too narrow for oversized equipment. Existing buildings leave little room to manoeuvre. Underground services restrict excavation. The proposed tank area sits behind an operating warehouse, on a steep rural block or inside a busy industrial facility.
These are not unusual problems. Across Australia, valuable sites are becoming more complex, while water storage requirements continue to grow. Developers, builders, facility managers, farmers and industrial operators still need reliable storage, but a standard tank may not fit the available footprint or installation route.
This is where Custom Steel Water Tanks make a practical difference.
Instead of forcing a preselected tank into an unsuitable location, Armstrong Tanks can help develop a system around the site, storage capacity and intended use. The result is a tank solution that makes better use of limited space while supporting long-term access, maintenance and performance.
Why Difficult Sites Need More Than a Standard Tank
Standard tanks work well when there is plenty of open space, uncomplicated ground conditions and easy access for machinery. Difficult projects rarely offer that luxury.
A site may have:
- Narrow gates, laneways or loading areas
- Limited crane access
- Existing buildings close to the tank position
- Overhead power lines or underground utilities
- Sloping or unstable ground
- Restricted working hours
- Active traffic or production areas
- Limited room for future expansion
On these projects, the challenge is not simply choosing how many litres the tank should hold. The design team must consider how every tank component will reach the installation area, how the foundation will be prepared and how the completed tank will connect with pumps, pipework and surrounding infrastructure.
Water Storage Tanks for Difficult Access should therefore be planned as part of the wider site, not purchased as an isolated product.
Why Steel Is Well Suited to Tight Sites
Steel offers a useful balance of strength, flexibility and installation efficiency. A steel tank can be designed in different heights, diameters and configurations, helping project teams achieve the required capacity without consuming more land than necessary.
Armstrong Tanks supplies steel tanks for residential, rural, commercial, agricultural and industrial applications. Systems can be considered for above-ground, underground and space-restricted locations, depending on engineering and site conditions.
One of the biggest advantages is the availability of Modular Steel Water Tanks.
Rather than transporting one fully assembled tank through a narrow entrance, modular or bolted systems can be fabricated as individual sections and erected at the project site. Armstrong Tanks’ bolted steel tank process includes design, factory fabrication, preparation of the ring beam slab and tank erection on site.
This approach may help overcome restrictions that would make the delivery of a large one-piece tank impractical.
Designing the Tank Around the Site
Successful Custom Steel Water Tanks begin with the right questions.
How much water must be stored? What is the available footprint? What liquid will the tank contain? How often will the system be used? Can installation equipment safely reach the area? Is future expansion likely?
These questions influence almost every part of the design.
Tank Height and Diameter
On a narrow site, increasing tank height may provide the required capacity without taking up additional ground area. On sites with height restrictions, a wider and lower design may be more suitable.
The final proportions must be engineered around structural loads, wind exposure, ground conditions, maintenance access and the intended application.
Entry and Installation Route
The installation route should be considered early, especially when the tank must pass through a narrow gate, between buildings or into an enclosed plant area.
A modular tank can be delivered in manageable components, but the team still needs sufficient room for unloading, lifting, assembly and safe movement.
Planning this before fabrication reduces the chance of expensive changes once the tank arrives.
Foundation Requirements
Even a well-designed tank can underperform when placed on an unsuitable base. The foundation must support the tank load, remain stable and suit local ground conditions.
Drainage, settlement, access and nearby structures should also be reviewed. For commercial and industrial projects, early coordination between tank engineers, civil contractors and project managers can prevent delays later.
Pipework and Accessories
A custom tank should work with the complete water system.
Inlet and outlet positions, overflow arrangements, access points, ladders, platforms, level indicators and pump connections should be selected around the way the site operates.
Placing these items correctly during design is usually more efficient than modifying the tank or surrounding pipework after installation.
Applications for Custom Steel Tanks
The need for Custom Water Storage Tank Solutions appears across many sectors.
Commercial Developments
Commercial Steel Water Tanks may support rainwater harvesting, stormwater management, fire water storage, washdown systems and operational water supply.
Shopping centres, warehouses, office developments and mixed-use properties often have limited plant space. A custom design can help place the required storage around car parks, service yards, building boundaries or existing infrastructure.
Industrial and Manufacturing Sites
Industrial sites may require water for processing, cooling, fire protection, cleaning or emergency reserves.
Installation can be challenging because production areas must remain operational. Modular construction may allow tank components to be moved through controlled access points and assembled within the designated zone.
Rural and Agricultural Properties
Remote sites bring a different set of difficulties. Roads may be narrow, unsealed or unable to support oversized delivery vehicles. Tank locations may also sit on uneven ground or far from established services.
A steel system can be planned around access, storage demand and local operating conditions, whether the water is needed for irrigation, livestock, fire protection or general farm use.
Fire Water Storage
Fire water tanks must be planned around system demand, site risk and relevant project requirements. Tank location also needs to support pump access, inspection and emergency operation.
Armstrong Tanks lists fire reserves among the applications supported by its steel tank range and identifies AS 2419.1 among the recognised standards relevant to tank projects. Final requirements should always be confirmed for the individual development.
Potable and Process Water
The stored liquid affects the selection of tank material, coating and liner.
Potable water, wastewater, process water and chemical storage may each require a different internal system. Selecting the right specification protects the tank and helps maintain the required water quality.
Choosing the Right Steel Tank System
There is no single steel specification that suits every project. Armstrong Tanks works with several options, including galvanised steel, fusion-bonded epoxy, glass-fused-to-steel and stainless steel systems.
Galvanised steel can provide a practical and cost-conscious option for farming, industrial and fire water applications. Fusion-bonded epoxy systems may suit demanding municipal, industrial or wastewater environments where corrosion resistance is important.
Glass-fused-to-steel tanks combine a steel structure with a factory-applied glass coating. Stainless steel may be considered where hygiene, purity or strong corrosion resistance is a leading requirement, including food, beverage, pharmaceutical and potable water applications.
The right choice depends on:
- Type of water or liquid being stored
- Exposure to corrosive conditions
- Water quality requirements
- Expected maintenance
- Project budget
- Required service life
- Site and installation conditions
Armstrong Tanks can assess these factors before recommending a system, helping buyers avoid paying for an unsuitable specification or choosing a lower-cost option that may not meet the project’s long-term needs.
The Commercial Value of a Site-Specific Design
A custom tank may initially appear more involved than selecting a standard unit. However, the cheapest tank on a price list is not always the lowest-cost solution once access, construction and project risk are considered.
A poorly matched tank can lead to additional excavation, oversized lifting equipment, building modifications, pipework changes or lost storage capacity.
By contrast, Custom Steel Water Tanks can be designed to reduce compromises from the start.
For builders and project managers, this can support more predictable installation planning. For property owners, it can preserve valuable usable space. For facility managers, it can improve inspection and maintenance access. For businesses, it can provide storage capacity that supports operations without disrupting the surrounding site.
The real value comes from solving the entire water storage problem rather than supplying a tank in isolation.
Planning Custom Steel Water Tanks in Australia
Projects involving Steel Water Tanks in Australia need to account for local climate, wind conditions, structural loads, water quality and applicable standards.
Armstrong Tanks identifies standards including AS 4100 for steel structures, AS 1170 for structural design actions, AS 4020 for products used with drinking water and AWWA D103 for factory-coated bolted carbon steel water storage tanks.
Not every standard applies to every tank. The design and compliance pathway should be determined by the tank application, project location and approval requirements.
Early technical involvement is especially important on difficult sites. It allows potential issues to be identified before the project reaches fabrication or construction.
Work With Armstrong Tanks
A difficult site does not mean reliable water storage is out of reach. It means the project needs a better-planned solution.
Armstrong Tanks provides engineered steel water storage systems for commercial, industrial, rural, residential and mining applications across Australia. The team can assess capacity, access, site constraints, liquid type and long-term operating needs before recommending a suitable tank configuration.
Whether the project involves a tight urban block, an active commercial property or a remote rural location, Armstrong Tanks can help turn a difficult installation into a workable water storage plan.
Contact Armstrong Tanks to discuss Custom Water Storage Tank Solutions designed around the realities of your site.
Frequently Asked Questions
1. Can a steel water tank be installed on a site with narrow access?
Yes. Modular or bolted steel tanks can be transported in separate components and assembled at the installation location. The access route, lifting requirements and working area should be assessed before fabrication begins.
2. Are modular steel water tanks suitable for commercial projects?
Yes. Modular Steel Water Tanks can support commercial applications such as fire reserves, stormwater storage, process water, rainwater harvesting and operational water supply. Capacity and specifications should be designed around the project requirements.
3. Can a custom tank provide more storage on a small footprint?
A custom design can adjust the tank height, diameter and overall configuration to use the available area more efficiently. Structural, planning and site restrictions must still be considered.
4. Which steel tank material is best for difficult access projects?
Access conditions influence the installation method, while the stored liquid determines the most suitable tank material, coating or liner. Options may include galvanised steel, fusion-bonded epoxy, glass-fused-to-steel and stainless steel.
5. What information is needed to quote a custom steel water tank?
Useful information includes the required capacity, site address, available dimensions, intended water use, access limitations, ground conditions, pipework requirements and preferred project timeframe. Site plans and photographs can also help with the initial assessment.