Culvert rehabilitation refers to the practice of restoring the lifespan of a culvert without replacing the culvert.
Three phases are considered in culvert rehabilitation. Phase one is stabilization of the culvert. Curled in pieces of the old culvert are cut by hand the liner plates inside the culvert are assembled and thereafter bolted together manually in the first phase.
The second phase of the culvert rehabilitation is known as the creation of a smooth lining. During the second phase of culvert rehabilitation, a smooth, watertight and sound pipe which is structurally sound within the new tunnel liner plates is created Smoothening of the corrugations made by flanges is also done.
Soil stabilization phase is the name given to the third stage of culvert rehabilitation. During the final stage of culvert rehabilitation, the extremely unstable soil surrounding the culvert is worked on; related problems are prevented from reoccurring to the rehabilitated culvert by stabilization of the surrounding soil with cementitious grout, which is injected until refusal.
Normal inspection procedures should be carried out to ensure a good culvert rehabilitation work is done.
The number one consideration is the history of given culvert rehabilitation company The history of a given company regarding the contract signed with its customers should not be ignored as it will give one a glimpse of the nature of the company he’s dealing with. Once satisfied with the reputation of a given rehabilitation company, you can trust if you enter into a contract with it proper work shall be done.
For one to be able to get the right standard of the culvert that has been rehabilitated, the given company’s materials used in the process should be taken into consideration.
The a company whose materials used are of the rightful quality and standard should be recommended because incidences of the rehabilitated culvert malfunctioning or breaking down again easily are minimized.
Another factor that should be considered is the cost of the culvert rehabilitation programme. Normally is nice to be economical since resources are scarce hence a company that offers to provide a cheaper cost of rehabilitating the culvert is given the priority as the cost of rehabilitating a culvert should not be similar to that of purchasing a new one.
Another measure to consider the kind of workmanship offered by the given rehabilitation company. A company with skilled workers will ensure high quality of rehabilitated culverts are produced hence increasing efficiency and minimizing the incidences where the rehabilitated culverts malfunction.
The period taken by the given culvert rehabilitation company to complete a given project should also be put to consideration.
If one desires to have the rehabilitated culverts for example in one month, a culvert rehabilitation company that can produce high quality the culverts within or less than a month should be given priority.
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