There are not all municipal sewage lines in the UAE. Even in villas on the outskirts of Al Ain, in farms in Ras Al Khaimah, in labour camps in the industrial belts of Sharjah and in standalone agricultural plots throughout the Northern Emirates, a well-designed septic system is essential to ensure safe disposal of waste water. If you get the tank wrong, you’ll find yourself facing complaints about smells, ground water pollution or a system that fails within a few years. Do it correctly and it provides decades of worry-free operation and virtually nothing to maintain.
This guide explores the UAE precast concrete septic tank suppliers, how the tanks function, how to identify a good supplier from a risky one and what to expect from the quotation to installation process.
Precast Concrete Septic Tanks Dominate the Market in the UAE Due to Their Numerous Advantages
Precast concrete septic tanks are the preferred option in the UAE for several reasons.
A septic tank is actually a holding tank that is usually buried to treat the wastewater right where it is generated, as opposed to a home that is connected to municipal sewage. The wastewater goes into the tank and remains there long enough to allow outcrops of solids to sink to the bottom of the tank as sludge, and lighter material to float to the surface as scum. The water that flows out is called clarified water or effluent, which drains to a drain field or soakaway. The process is called primary treatment and it’s basically the same whether the tank is plastic, fibreglass or concrete.
Septic tanks made of concrete are the most common in the UAE, and it’s due to the local soil conditions. The soil in the area is highly saline and the groundwater table varies throughout the year. The mechanical strength of the concrete and the low permeability keep it from decaying as the burial weight and the corrosive effect of the saline soil are applied over the years, a characteristic that lighter plastic tanks often do not offer.
Precast manufacturing isn’t just an advantage on the material level, it’s also an advantage on the manufacturing level. The concrete is poured into a factory-made, controlled condition and the tank is transported to site and lowered into a prepared excavation, rather than being cast in the field where the conditions are difficult to control, slow and weather dependent and where quality control is more challenging. This significantly reduces the installation time, the risk of curing defects, and provides a uniform and watertight structure, batch after batch.
In the UAE, There Are Various Types of Precast Concrete Septic Tanks Available, Including
The specifications of septic tanks are very different depending on residential, agricultural, or industrial use; soil conditions; and household size. Typical breakdown of product range.
Single-Chamber Tanks
The most basic, typically for smaller villas, single buildings or for a small amount of wastewater. Settling of solids and effluent from the one Compartment. Easy to fit but less efficient in treatment as compared with a multi-chamber design.
Two-Chamber (Two-Stage) Tanks
Popular design for homes in UAE. The wastewater flows through a primary settling pool, a secondary settling pool for further clarification and the effluent is discharged. The staged separation means that less solid material will reach the soakaway system, increasing the lifespan of this system.
Multi-Compartment Tanks for Larger Volumes Are Available for Larger Volumes
For small industrial plants, farms, small commercial developments or labour camps where the volume of wastewater is much larger than that of an average villa. These tanks are designed with extra chambers, increased holding capacity and are frequently sold with soakaway pits or oil interceptors as a package solution for wastewater treatment.
Modular and Expandable Tanks
For phased developments or agricultural land where additional buildings might be added in the future, some suppliers will provide tank systems which can be extended in the future.
Reinforced Access Hatches Are Used in These Tanks
The tanks are fitted with Reinforced Access Hatches.
Commonly used in villa projects, these comprise a sealed access hatch set at a convenient height for easy tank desludging without affecting neighbouring landscaping, which has significant impact once the tank is dug into a completed garden.
When Looking for a Septic Tank Supplier in UAE, You Should Consider Several Things
There are some factors that you should consider when selecting a septic tank supplier in UAE.
It’s easy to find concrete septic tank suppliers in the UAE. To find one with tanks that will still be operating in 15 years requires a little more research.
Structural Grade and Watertightness
A good supplier will produce tanks to the concrete grade suitable for structures that are to be buried and subject to load-bearing, and the reinforcement must be adequate to withstand both the hydrostatic head of a full tank and soil pressure. Specifically inquire about watertightness testing: if a septic tank leaks, it’s a leak, and it’s a failure of the septic system whether it’s releasing effluent or allowing groundwater in.
Certifications and Compliance
Check for ISO accreditation of manufacturing methods and adherence to relevant codes of practice for Environmental and Construction, in the UAE. A reliable concrete septic tank manufacturer in UAE ought to have the ability to provide ISO, GCC and local environmental approvals upon request, as well as structural documentation for municipal approval.
Capacity Sizing
The size of the tank is based on the amount of wastewater that is expected to be transported and not just from a list of standard sizes. If a supplier asks how many people use the water, how the water is being used, and what the future growth plans are before they are able to quote for a size then they are doing their job; if they simply quote a standard 3,000-litre tank without asking these questions they are not.
The Most Up-to-Date Information on Lead Times and Delivery
The precast septic tanks are usually made to order and shipped within a couple of weeks, depending on the size of the tank and the supplier. Before committing get a realistic production and delivery time in writing.
Supply-Only vs. Supply-and-Install
Some suppliers bring the tank to site, and the contractor is responsible for the excavation, placement and tank connection. Others do all work involved, that is, they do the excavation work, crane the placement, and connect to the inlet and outlet pipe work. A supply and install agreement usually provides more clarity in case of problems during the installation process.
Desludging & After-Sales Support
Inquire if the supplier can recommend maintenance schedules and intervals for desludging, and if components like access covers, lids or connecting fittings can be replaced years into the future if required.
The UAE Is Home to Several Reputable Precast Concrete Septic Tank Suppliers
There are several good precast concrete septic tank suppliers in UAE.
1. KKK Precast Concrete Industry LLC
KKK Precast offers precast concrete septic tanks along with a full range of utility and infrastructure products such as water tanks, manholes, boundary walls and drainage products throughout Dubai, Abu Dhabi and Sharjah. The septic tank range is designed for residential, commercial and industrial wastewater treatment systems to meet various site and capacity needs.
2. Solid Rock Concrete Works (SRC Precast)
SRC Precast produces concrete septic tanks in Umm Al Quwain as well as a comprehensive precast catalogue of boundary walls, road barriers and manholes. The company’s septic tank systems are designed for long-term reliability given the UAE’s saline soil and fluctuating groundwater levels, while sealed inlets and easy maintenance hatches are considered.
3. Naran Precast Concrete Co. LLC (NPCC)
Naran Precast is experienced with custom designing water tanks, storage pits and septic tank parts such as septic tank lids for projects throughout Dubai and the UAE. Where a project requires some degree of custom engineering, rather than an off-the shelf tank, it is a good choice.
4. Exeed Precast
Exeed Precast specialises in producing septic tanks specifically designed for wastewater treatment and management in residential, commercial and industrial applications – with a focus on environmental compliance. The company’s wider range of infrastructural precast products allows it to be able to supply septic tanks with a range of site drainage products from one source.
5. Jet Concrete Work
In addition to developing the septic tank, Jet Concrete Work is a specialist in precast concrete septic tanks that come in standard dimensions and are simple to transport and install to any property, and can be expanded when essential if the needs of the wastewater system increase over time. It also provides help for all septic system installation, not just septic tank installation.
6. Al Shamsi Group LLC
Al Shamsi Group produces precast septic tanks designed to meet the requirements of water tightness and seamless, without allowing contamination of the soil and groundwater. Its tanks are sited to meet the environmental and building codes for residential, commercial and industrial buildings.
7. MTI (Precast Products)
MTI can supply a wide range of precast products as well such as septic tanks as well as manholes, soakaways, boundary panels and road barriers, which is ideal for projects that require multiple precast products to be supplied in a single delivery.
The Septic Tank Installation Process Is as Follows
When the order is placed and the delivery is finished, it is good to have an idea of what happens in between, and thus realistic expectations of the project timeline.
Site Assessment
The soil type, groundwater table and space available determine the sizing, location and design of a drain field and should be evaluated when installing a proper tank. It also is when the tank is sized correctly by confirming the volume of wastewater or occupancy.
Excavation
The excavation is dug to the dimensions and depth needed, and a compacted base is laid to spread the weight of the tank when it is placed in. One of the more prevalent reasons for settling problems in tanks later on is because of the uneven bedding.
Placement and Connection
This precast tank is then lifted onsite (usually with a crane for larger tanks) and joined to the inlet pipework from the property and the outlet pipework to the drain field/soakaway. Special attention is given to the levels and alignment prior to backfilling.
Backfilling and Commissioning
Backfill is added in layers around the tank, which is then compacted, to prevent pressure against the structure. After the system is installed, it is checked for any leaks and to ensure that the tank is flowing properly.
With the site properly prepared and the septic tank ready to go, a typical installation of a septic tank for a standard villa can be done in a day or two.
UAE Approvals and Regulations for Septic Tank Installations
The installation of septic tanks in the UAE requires approval from the relevant municipal or environmental authority, depending on the emirate, such as Dubai Municipality, the Department of Municipalities and Transport in Abu Dhabi, Sharjah Municipality or the relevant authority in other emirates. Generally, structural information regarding the tank, its capacity, and the assurance that the drain field or disposal procedure complies with local environmental standards are needed for approval.
If you are hiring a supplier who has had experience in UAE, then they will know this process and should be able to assist you in preparing for or providing the documentation required for approval. Not approving is not a short cut to be taken, as systems that have not been approved may result in an expensive rework during inspection.
Conclusion of Precast Concrete Septic Tank Suppliers in UAE
The UAE is home to a strong precast concrete septic tank supplier network, from those that produce a wide range of concrete products to those specializing in wastewater solutions. KKK Precast, SRC Precast and Naran Precast and Exeed Precast are recognized for providing septic tanks as part of their range of infrastructure products, ideal for projects requiring multiple precast elements. The septic systems are more specialised, with Jet Concrete Work and Al Shamsi Group in particular, and MTI for projects where septic tanks are used in conjunction with other precast drainage products.
This choice is always a matter for you to determine based on the quantity of wastewater in your home, soil conditions, financial considerations, and time constraints. Don’t take a stock quote for granted, don’t take certified for granted, don’t take watertightness testing and after-sales support for granted. You don’t want to be thinking about septic tanks every couple of years, and you don’t want to have to deal with the wrong septic tank supplier.