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Capacity |
The ability of a culvert or drain to carry the volume of water for which it was intended, quickly and efficiently
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Cat Eyes |
A device placed on the carriageway that serves as a reflectorizing safety feature.
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Catch Basin |
A drainage structure which captures water from side drains and directs it to culverts.
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Catchment Basin |
An area that is a repository to receive and channel water.
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Cause of Distortions |
Insufficient compaction of the base or sub-base courses, too many in surface mixtures, too much asphalt, settlement or swelling of under laying course, inadequate pavement strength for the weights of vehicles using the road.
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CBR - California Bearing Ratio |
A test which is widely used to determine the suitability of a material for use in road construction.
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Cement |
A rapid hardening material. The most common type is Portland Cement
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Claims |
Part of a contractor’s submission for additional payment
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Cleaning Culverts / Basins |
Rodding out debris, silt and other blockages from inside.
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Clerk of Works |
The engineer’s representative on work sites.
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Communication Officer |
The person or individual, operating from within the Corporate office, who provides a direct link between customers and the Agency and carries out other PR activities.
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Community Relations Officer |
An officer with responsibility for PR activity, collection and dissemination of information and dealing with our internal and external publics within a region.
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Compaction |
The process of bringing soils to a dense state by blows, by passage of a roller or by some other form of loading.
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Concrete |
A mixture of cement (normally Portland), aggregate (coarse and fine) and water.
A material used extensively in highway maintenance work. It is a mixture of gravel, sand, cement and water in certain proportions.
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Construction |
Any civil works
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Consultant |
A specialist consulted for professional advice which is in writing.
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Contract |
A document outlining details, giving instructions, rules for implementation, specifications, drawing conditions, etc., carried out for the Agency. A service or item provided for by and provided for by an outside agent, which is in writing.
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Contract Manager or Site Agent |
Contractor’s representative on a project. Sees to it that drains constructed are at suitable elevation to allow free flow.
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Contractor |
An individual, group, or company awarded a tender to carry out works, or implement projects and programmes.
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Control Section |
Division of road lengths into control sections for work control purposes. A Control Section is about 6 – 7 miles long and is identified by terminal points at each end. Each control section is totally within the administrative boundaries of a parish.
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Correective Maintenance |
Work done when preventative maintenance can no longer fulfill its purpose or when emergency repair work is necessary.
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Corrosion |
Damage to steel by the combination of water, air and salt.
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Corrugations & Shoving |
Forms of plastic movements. Corrugations are typified by ripples across the asphalt pavement surface. Shoving results in local bulging of the pavement surface.
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Cracks |
An opening in the pavement.
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Crash Barriers |
Guard rails to control traffic.
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Culvert |
A tube or box which carries water under a road.
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Cutouts |
The channel that is constructed to convey water under the road culverts.
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