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Oldcastle Materials Inc. is a supplier of asphalt, concrete, and other building materials, and also offers construction and paving services. The Atlanta-based company is a subsidiary of CRH plc, a publicly traded international group of diversified building materials businesses, [2] [3] and has approximately 18,000 employees at 1,200 locations, as of March 2018.
A sanitary manhole under construction. A sanitary manhole (sewer manhole, [1] sanitary sewer manhole [2] or sewer maintenance hole [3]) is a manhole that is used as an access point for maintenance and inspection of an underground sanitary sewer system. Sanitary manholes are sometimes used as vents to prevent the buildup of pressurized sewage ...
In June 2007 BlueScope Steel Limited sold its Vistawall Group division for $190 million to Oldcastle Glass Inc, a subsidiary of CRH plc. [1] In June 2010 Oldcastle Glass rebranded to Oldcastle BuildingEnvelope. [2] On February 28, 2022, it was announced that CRH would be selling Oldcastle BuildingEnvelope for $3.8 billion to KPS Capital ...
A manhole cover is a removable plate forming the lid over the opening of a manhole, an opening large enough for a person to pass through that is used as an access point for an underground vault or pipe. It is designed to prevent anyone or anything from falling in, and to keep out unauthorized persons and material.
PMG manholes in a city street, Perth, Western Australia Manhole being used to access sewer Installation of a fiber-optic manhole in Brooklyn, New York An uncovered manhole in Beirut, Lebanon. A manhole (utility hole, maintenance hole, [1] or sewer hole) is an opening to a confined space such as a shaft, utility vault, or large vessel.
Scientists have connected 800-year-old skeletal remains found in a well at Norway’s Sverresborg castle to a mysterious figure mentioned in a medieval Norse saga, using advanced DNA analysis.
A diagram of a traditional French drain. A French drain [1] (also known by other names including trench drain, blind drain, [1] rubble drain, [1] and rock drain [1]) is a trench filled with gravel or rock, or both, with or without a perforated pipe that redirects surface water and groundwater away from an area.
Skeletal remains found in the well of a Norwegian castle likely belong to “Well-man,” who is mentioned in the passage of an 800-year-old Norse saga.