Construction Services: Ground Preparation for Turf Laying, Paving or Concrete Slabs13 December 2019
The modern world lives on top of flat paving and straight roads. In fact, there’s a popular belief that says the Romans conquered the ancient world because their troops marched through Europe on solid roads. Read about the Appian Way and Roman supply route strategies for more information on this fascinating subject. Anyway, back to the matter at hand, installed paving and concrete slabs must echo the contours of the land.
Performing a Pave-Laying Balancing Act
To be more specific, the paving has to create a flat, discontinuity-free surface, yet that surface must follow the curves of the terrain. If there’s a rise in the ground or a site depression, then the soil will be graded. Even so, the fundamental orientation of the soil, the slope angle followed by the soil is typically respected. There are, of course, always exceptions. For example, a deeply inclined slope might be split into stepped ground panels, with a railed staircase included to allow foot traffic access.
Preparing the Underlying Soil for Pavers
Let’s say these are the grounds around a new hotel. There’s loose soil around the premises. It’ll need grading. After the soil is level, there’s the compaction work to carry out. If dirt is being blown away by a strong breeze, a consulting engineer might also advise a site watering operation. This site vehicle uses special spraying nozzles to wet down the dirt. Before the concrete is laid, there’s one final decision to make. Is this an area where the paving can be poured? If not, prefabricated slabs will need to be formed and transported to the site. Is the soil going to support the paving? Are there tree roots that will cause upheaval cracks? What about backfill? Perhaps a layer of gravel needs to be laid down.
Laying the Site Turf
While the pavers are busy, the grass is being seeded. Nutrients are added to the soil first. Next, there’s a sprinkler network and controller to install. With water conservation laws so tight nowadays, the system gains a timer. The grass will probably be sprinkled with recycled water early in the morning. The turf variety is also chosen at this point. Is this green carpeting merely meant to look good, or will it be a hardier variety? If there’s foot traffic expected on the grass, then a hardier variety will prevent ugly bald spots from forming.
Even after all of these plans have been drafted, there’s more work to be done. Actually, this stage takes place before the pavers and turf layers arrive. Before any of these surface features are incorporated, there’s that all-important drainage system to install. Otherwise, the turf will gain nasty puddles of muddy water, then the concrete paving will crack because a deep layer of trapped water has turned to ice.
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