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Vlchek Tool Company was founded as a blacksmith shop in 1894 in Cleveland, Ohio by Frank J. Vlchek. [1] It was incorporated in 1909. [1] In 1958 Pendleton Tool Industries Co. bought the Vlchek Tool Company. [2] In 1964 Pendleton itself merged with Ingersoll-Rand. In 1969 Ingersoll closed Vlchek's plant on East 87th Street in Cleveland.
Pipe bursting is a trenchless method of replacing buried pipelines (such as sewer, water, or natural gas pipes) without the need for a traditional construction trench. "Launching and receiving pits" replace the trench needed by conventional pipe-laying.
UKSTT offers a Trenchless Enquiry Service to assist people in all area's of trenchless technology. In the US, The National Association of Sewer Service Companies (NASSCO) was established in 1976 and is the oldest such association with a trenchless focus. The North American Society for Trenchless Technology (NASTT) was established in 1990.
In 1988, Michels became a pioneer in trenchless construction by mastering the new technology of horizontal directional drilling. To this day, Michels is an award-winner and record-holder in many techniques used for the trenchless installation and rehabilitation of utility lines.
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In 1919, the company's founders donated their private observatory in East Cleveland, Ohio to Case Western Reserve University. Today's Warner and Swasey Observatory grew from that facility. The company's 50th-anniversary book [ 10 ] describes the firm's giant-telescope-building work as unprofitable overall but a labor of technological love.
regulatory program for implementing SMCRA and 30 C.F.R. §§ 780.21(b), 784.14(b) (2008), and their approved equivalents in the Pennsylvania state regulatory program for implementing SMCRA.
Pipe ramming (sometimes also called pipe jacking) is a trenchless method for installation of steel pipes and casings. Distances of 30 m (150 feet) or more and over 500 mm (20 inches) in diameter are common, although the method can be used for much longer and larger installations.