Fort McHenry Tunnel Project Design. The Fort McHenry Tunnel Project final design contract was awarded by IDBC in 1977, to the civil engineering prime consultant Sverdrup & Parcel and Parsons, Quade, Brinckerhoff, & Douglas, which was a joint venture for this project, also known as the SPB Joint Venture.
A tunnel is an underground passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods.
The Channel Tunnel (French: Le tunnel sous la Manche; also nicknamed the Chunnel) is a 50.45-kilometre (31.35 mi) rail tunnel linking Folkestone, Kent, in the United Kingdom, with Coquelles, Pas-de-Calais, near Calais in northern France, beneath the English Channel at the Strait of Dover.
Morphey Construction has over 40 years of experience in a wide variety of phases of site development and roadway construction. Morphey is a pre-qualified contractor with INDOT in the State of Indiana, and can function as either a primary contractor or as a subcontractor on most projects.
Obersalzberg. Air Raid Shelters (Tunnel and Bunker Systems) When the Allied bombing campaign over the Third Reich became a reality in 1943, Reichsleiter Martin Bormann was forced to order the construction of a series of air raid shelters and command posts for the residents and military staff of the Obersalzberg.
Condo Lobby Renovation. Duration: 1 month Completion: June 2018. The main entrance lobby of this condo was severely outdated. We ultimately gutted and rebuilt in the entire lobby: removed wallpaper, repaired the drywall, and painted; installed new ceramic tiles on the floors and walls; removed all lighting removed.
Recreation TRAILS. Hiking, mountain bike and self-guided trails - Natural Tunnel State Park has seven walking trails. The longest is 2.1 miles long. The trails lead to unique features of the park: the tunnel floor, Lover's Leap, Tunnel Hill and Gorge Ridge.
ADVANCING THE TUNNELING INDUSTRY. During the first half of the 20th Century, in an endeavor to become one of the foremost tunnel and underground construction firms in the nation, Shea developed efficient, controlled blasting techniques, fine-tuned the performance of its rock drill machines, and advanced development in blasting agents and methods.
Tunnel Construction History. The Detroit-Windsor Tunnel was the first vehicular subway ever built between two nations. At the time of its construction, two other tunnels were in use in the United States — the Holland Tunnel in New York and the George A. Posey Tunnel connecting Oakland and Alameda, California.