To install Precast concrete Z Walls, you should use the following steps:
Until you receive your quote on your desk, rarely are boundary walls given much consideration. When installing a Z wall at a villa, warehouse or industrial plot in UAE, it is important to be familiar with the factors that influence installation costs, otherwise you can end up with some unpleasant surprises. This guide explains what a precast Z wall really is, why prices are so variable from project to project and what really impacts your bill.
How To Use A Precast Conceret Z Wall
Precast Z wall is a modular zone wall structure, which is produced by precast columns and precast panels instead of stacking bricks. Precast columns are inserted into concrete footings and precast panels are inserted in grooves between the columns to create a full wall. It is a modular design that is also easy to install and can be adapted to non-standard plot shapes, which is important in the UAE where plots are not always neatly rectangular.
The practicality of the system is the speed. Most of the work at the construction site is placing footings and slotting components together, as the columns and panels are pre-manufactured, which lowers the need for sun work. On long boundary runs around farms, industrial yards or labour camps that speed gain is cumulative.
Why “One Price Fits All” doesn’t exist here Precast Concrete Z Wall
If you’re hoping to find a single fixed number/meter, you’re going to be disappointed, and that’s a good thing. If a wall costs exactly the same no matter how high or tall, how difficult or easy the floor or surface, or how rough or smooth the finish, someone is saving on quality somewhere. Real installation prices vary according to a number of factors and knowing what these are will make it easier for you to read through a quotation than simply looking at the bottom line.
The most important variables are the height of the wall and thickness of the panels. Larger panels, more robust columns and, in some cases, deeper foundations, and the resulting volume of materials and labour time, are required for the taller walls. The cost of a boundary wall around a villa, regardless of whether it is 2.4m or a shorter internal partition wall is always different.
Site and ground conditions follow. If the soil is loose or uneven, it may need to be dug deeper and more footing work may have to be done before the first column is placed. The further away the site from the manufacturing site, the greater the transport cost because precast elements are heavy and will require the correct transport equipment to move safely.
It is also influenced by the level of finish and complexity, too. The simple and functional wall is also cheaper than the wall that is decorated with a texture, logo or architectural detailing, as it requires more material and time in the customisation process.
The most obvious factor is length of the run. The price of precast wall systems is generally quoted on a per m basis; therefore a 500-metre boundary will cost considerably more than a 50-metre compound wall, even if the per m cost is comparable.
For taller or load-bearing sections, there may be additional costs associated with structural and engineering approval. The design process for structural elements may require a qualified engineer’s design review and approval, and that is a cost line that should be booked as such and not be an extra add-on your contractor is adding to the invoice.
What’s wrong with a fixed AED number?
Notice that there is no “AED per meter” number being thrown out in this guide; that is intentional. Unlike a grocery store pricing milk, the cost of precast walls differs from region to region, supplier to supplier, wall height to wall height, and even specification to specification. Just because it’s a Dubai investment park quote compared to a quote from Sharjah or Al Ain, doesn’t mean that the cost will be different only because of transport distance and site access.
The smart place to start is by asking two or three reputable manufacturers for their itemised quotes for the same wall height, length and finish specification. This apples to apples comparison is much more informative than any general per meter figure.
The use of Precast Concrete Z Wall in the UAE
It is inbound applications and compound applications more often that these walls are apparent than on architectural facades. The Gulf region is characterized by the use of boundary walls, which is common in villas, offices, factories and farms to limit the plots and offer privacy; and to include logos or screens as a decorative element, if necessary, in the design of the wall panels.
Industrial plots and agricultural land are more interested in the speed and cost of the installation rather than decoration and therefore prefer longer runs of standard panels. Labour camps and warehouses are alike, and there they are interested in more of the more secure and more lasting boundary than the ornamental. Residential compounds choose the opposite option and tend to utilize completed, textured panels that are also perfectly harmonious with villa architecture, but keep the time of installation to a minimum.
The economic advantages of Precast Concrete Z Wall over brick, over time
The initial price isn’t the only figure to watch. Precast wall systems are also low maintenance, as they generally require a wipe down every once in a while to keep the appearance, whereas painted brick walls would require repainting every few years in UAE’s hot and dusty climate.
Installation speed is also a money saver, indirectly. Construction speed directly impacts the delivery time of the project, thereby shortening the time of the project’s labor-related expenses and the time of project-related loan interest payment. If you are paying a construction loan monthly, it’s not just weeks that you are saving with a boundary wall installation, it’s dollars.
There are a number of questions that it is worthwhile considering before you sign a contract
Make sure you understand the complete scope of the quotes before accepting them. Is the price inclusive of footings and excavation or is that extra? Will this be an add-on to transportation costs based on distance or included? Is there a structural engineer’s design approval included with the quote if needed or is it added as an extra bill at the end?
Also, the manufacturer’s reputation with boundary and compound walls should be verified as the supplier may have more experience in structural columns and beams than in the panel finishing of Z wall systems. It’s not out of the ordinary to ask for reference sites that they’ve finished in the vicinity of that area.
Final Thoughts on Precast Concrete Z Wall Installation Cost UAE
The cost of precast Z wall in UAE varies with each and every item, height, ground condition, finish etc. and also depends on the engineering requirements of the wall. The best strategy is to use the quotation process as part of the due diligence: specify apples-to-apples, ask about details of what is included and consider the long-term maintenance savings precast offers over brick. If you get your comparison right, your wall will play its role quietly for years, just as a boundary wall should.
