The spraying machine combines dry gunite mix with water just before squirting to produce wet concrete material. Once the grid is in place, the workers spray a heavy coating of gunite (a mixture of cement and sand) around the rebar. The reinforcing rods are spaced about 10 inches apart, and secured together with cable. Once this is done and the plumbing is put in place, the workers assemble a framework grid with steel reinforcing rods (rebar). The process of building a gunite pools usually starts with excavation of a hole. Vinyl lined pools tend to be cheaper compared to other in-ground swimming pool types but are less durable because the pliable liner requires replacement every ten years or so. These thin vinyl-lining (usually about the width of ten sheets of paper) is used to hold the pool water in the structure of the structure of the swimming pool. A metal, plastic or timber frame wall is then made around the perimeter, after which sand filler is placed at the bottom of the hole, a vinyl-lining secured to the perimeter wall. Vinyl lined swimming poolsĬonstruction of vinyl lined swimming pools starts with the excavation of a hole at the desired location of the pool. Backfilling is done round the pool and in most cases a concrete deck is built around the perimeter. The pool is then transported to the site in one piece.Īfter the necessary plumbing installation, the swimming pool is lowered into the pit with a crane or any other similar equipment. Once this is done, a hole is dug at the site and a base material is placed at the bottom of the pit for the swimming pool to sit on. At the manufacturing stage, fibreglass-reinforced plastic is moulded off-site into a basin shape to fit the required specifications. Fibreglass swimming poolsįiberglass swimming pools are “built” in two stages: manufacturing and installation. There are three main types of pools: fiberglass, concrete, and vinyl liner, the main difference between them being the method of construction for the ‘swimming pool basin’. On the other hand, most public pools are rectangular with lengths of 25m-50m, while competition pools must be 25m-50m long, at least 1.35m deep, and at least 8-lanes wide. Private pools – built at private residences – have average sizes of 3.7m x 7.3m to 6.1m x 12.2m. Swimming pools vary in size, shape, and depth depending on their intended use. However, these facilities often raise safety concerns since it can be difficult to see into the pool from the surroundings. Swimming pools are mostly sunk into the ground, although they can be built above the ground or fitted as part of a building or structure such as a cruise ship.Ībove-ground pools are usually assembled from pre-fabricated kits, making them the easiest and cheapest to construct. PHOTO/FILEĪ swimming pool is a man-made water holding structure that is used for sports, leisure, or workout. Swimming pools vary in size, shape, and depth.
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