BURLINGTON, ONT. — Sarens, which specializes in crane rental, heavy lift and engineered transportation services, participated in the installation of a storm trap for the North Service Road in Burlington, Ont. to facilitate control over water levels during heavy rains.
Sarens was able to provide its crane to the construction team for the lifting and placement of each of the modules of which the stormwater storage gallery consisted of.
Storm traps are stormwater infiltration and detention systems. These huge subway tanks also have an extremely important function: they store the first rainwater, which is the most polluting because it carries all the dirt accumulated on the streets and asphalt and regulates its flow to the treatment plants, states a release.
The tanks prevent the treatment plants from exceeding their maximum flow and having to discharge the excess, untreated, into the receiving watercourses.
Due to weather conditions and the rainfall last August, Valentine Underground Services sought Sarens’ help to complete the project in the shortest possible time. The installation of the modules that make up the tank was completed in a period of three days so that the rainwater that fell could be filtered through the culverts and properly stored in the tanks until the rainfall ended.
The work was carried out by a team specially selected by Sarens, with an LTM 1070 crane and one operator. The team was able to place approximately 30 pieces weighing 7,000 pounds each, a heavy lifting manoeuvre without transport, the release added.
“The idea is that before reaching the tanks, the water passes through a series of filters to retain solid contaminants such as plastic bottles among other objects,” said Neil Docherty, Sarens key account manager, in a statement. “Once in the tanks, the water is gradually conveyed to the purification stations, avoiding not only contamination of the rivers, but also preventing possible flooding and environmental damage.”
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