+6141 9714 910

FAQ

Answers To Your Questions

Planning a project is a huge task, and it often can be overwhelming. If you have questions about a project, please don’t hesitate to ask. Our team is happy to offer a free consultation to answer all your paving questions.

Quotes

Getting A Project Completed With SGA

How do i request a quote?

If you’re interested in any of our services, but you would like a more detailed explanation of what we offer, how it can apply to your project and most importantly the costing involved then you can reach out to us for a formal quote. 

You can do so by either calling us or emailing us on the contact details provided in the header of the site or the contact us page, or select the request a quote option on the top navigation and complete the form. 

 Once we receive your request, our team will be in touch regarding any missing details required and we will work on an itemised quote for you and get back to you shortly. 

What is safety grooving?

Safety grooving is primarily used in airport runways to handle issues with friction and damage of the runaway from weather, but it is used in other locations too. T

hey can be found on highways/roads to help improve tire traction, in applications for pedestrian safety (like in sidewalks or stairs), in cattle holding pens, and more.

Studies claim that runway grooving was responisble for an 85% decrease in wet-weather accidents after implementing safety grooving, while aircraft tire friction in wet conditions has increased by up to 300%.

What is the process of relaying a private road?

Relaying a private road involves several key steps to ensure that the final product is sturdy, smooth, and long-lasting. Here’s a brief overview of the process:

Assessment and Planning: This is the first and crucial stage where the condition of the existing road is assessed. Based on this, a detailed plan is drawn up, considering factors such as the road’s purpose, expected traffic load, local climate, and available budget.

Demolition and Removal: This involves removing the old road surface and possibly part of the underlying foundation, depending on its condition. This can be accomplished using heavy machinery like bulldozers and excavators. The debris is then hauled away for recycling or disposal.

Preparation of Base: Once the old surface is removed, the base of the road is prepared. This may involve grading the soil to ensure proper drainage, compacting the soil to provide a firm foundation, and adding a layer of aggregate for additional support.

Laying of Sub-base and Base Layers: These layers are composed of larger and smaller stones, respectively, which are compacted down to form a solid surface that can distribute the weight of the vehicles evenly across the road.

Asphalt or Concrete Layer: The final layer is typically made of asphalt or concrete, depending on the specific requirements of the road. This layer provides a smooth, durable surface for vehicles to travel on.

Curing and Finishing: After the final layer is laid, it needs time to cure. Once it is cured, the road can be finished with the addition of road markings or other features, such as curbs or sidewalks.

Inspection and Approval: After all the work is done, the road is inspected to ensure it meets all quality and safety standards. Upon approval, the road can be opened for use.

How are potholes repaired?

The process typically starts with a detailed inspection to identify all potholes on a specific stretch of road. Once identified, each pothole is thoroughly cleaned. This step often involves removing any loose material and standing water inside the pothole. The hole is then squared off using a pavement saw or jackhammer, creating clean, vertical sides that will hold the patch material better.

The next step is the application of a tack coat to the sides and bottom of the pothole. This is usually a liquid asphalt which helps to create a bond between the existing pavement and the new repair material.

Following the application of the tack coat, the pothole is filled with repair material, typically hot or cold asphalt mix. The selection between hot or cold mix depends on the weather conditions and the severity of the pothole. Hot mix is generally preferred due to its durability, but cold mix is used when hot mix isn’t available, especially in colder months.

The filled material is then compacted using a roller or a vibrating plate compactor. Proper compaction is critical to ensure the patch material is densified and adheres firmly to the existing pavement. It also ensures a smooth and level finish, restoring the road’s original surface condition.

The final step is to inspect the repaired area and clean up any excess material from the surrounding pavement. The aim is to ensure that the filled pothole blends seamlessly with the surrounding pavement, restoring the safety and functionality of the road.

Pothole repair is a standard procedure in road maintenance, and prompt repair can significantly extend the lifespan of a road while improving safety for all road users.

What are the benefits of using asphalt for road construction?

Using asphalt for road construction offers several benefits. Asphalt pavements have many advantages over surfaces constructed using other materials. Here are the key benefits of asphalt:

Safety: Asphalt pavements offer high skid resistance, providing better road visibility for drivers in any weather condition. The dark color of asphalt reduces glare and helps melt ice and snow more rapidly. Open-graded asphalt can minimize splash and spray during rainstorms, reducing crashes and fatalities on highways. Asphalt pavements also eliminate potentially dangerous and expensive pavement blowups.

Smoothness: Asphalt pavements provide a more uniform and smooth surface compared to other pavements. Rough and uneven surfaces increase driver fatigue and diminish control, while smooth roads enhance safety. Additionally, smooth asphalt roads reduce rolling resistance, leading to better fuel economy and reduced carbon dioxide emissions.

 

Cost-effectiveness: Smooth roads not only enhance safety but also save money. They reduce wear and tear on vehicles, lowering vehicle operating costs. Increasing a roadway’s smoothness by 25% can extend its lifespan by up to 10%, resulting in cost savings for taxpayers. Asphalt roads can be built more quickly and cost-effectively compared to other pavements, and they can be designed as Perpetual Pavements that require only periodic maintenance to remain in good shape indefinitely

How does asphalt contribute to cost-efficiency in road construction?

Asphalt offers cost-efficiency in road construction through various factors:

Low initial costs: Asphalt has lower initial costs compared to other pavement materials, making it a cost-effective choice for road construction. It allows for efficient use of resources and can be constructed quickly, saving time and labor costs. [2]

Longevity and durability: Although asphalt may deteriorate more quickly than concrete, it is still a durable pavement option. Properly designed and maintained asphalt pavements can last indefinitely. This longevity reduces the need for frequent repairs or replacement, saving long-term costs. Asphalt’s flexibility allows it to withstand occasional overloads without serious damage.

Recyclability and reuse: Asphalt is a recyclable material. It can be reclaimed and reused as road pavement, reducing the need for new asphalt production. Reusing reclaimed asphalt offers significant cost savings, especially when the transportation distances are reasonably short. The bitumen content in reclaimed asphalt makes it a valuable raw material, reducing the need for new bitumen. Reused asphalt is just as good in quality, cleanliness, and durability as new asphalt. Recycling asphalt not only saves costs but also contributes to environmental sustainability.

Expectations

How The Process Works

Is this the title to the question?

Here is the answer to the question. It provides enough information to satisfy the potential customer but also promts them to contact you for more details.

Is this the title to the question?

Here is the answer to the question. It provides enough information to satisfy the potential customer but also promts them to contact you for more details.

Is this the title to the question?

Here is the answer to the question. It provides enough information to satisfy the potential customer but also promts them to contact you for more details.

Is this the title to the question?

Here is the answer to the question. It provides enough information to satisfy the potential customer but also promts them to contact you for more details.

Is this the title to the question?

Here is the answer to the question. It provides enough information to satisfy the potential customer but also promts them to contact you for more details.

Is this the title to the question?

Here is the answer to the question. It provides enough information to satisfy the potential customer but also promts them to contact you for more details.

Payment

How To Finance The Project

Is this the title to the question?

Here is the answer to the question. It provides enough information to satisfy the potential customer but also promts them to contact you for more details.

Is this the title to the question?

Here is the answer to the question. It provides enough information to satisfy the potential customer but also promts them to contact you for more details.

Is this the title to the question?

Here is the answer to the question. It provides enough information to satisfy the potential customer but also promts them to contact you for more details.

Is this the title to the question?

Here is the answer to the question. It provides enough information to satisfy the potential customer but also promts them to contact you for more details.

Is this the title to the question?

Here is the answer to the question. It provides enough information to satisfy the potential customer but also promts them to contact you for more details.

Is this the title to the question?

Here is the answer to the question. It provides enough information to satisfy the potential customer but also promts them to contact you for more details.