Demolition work is underway to eliminate a 56 -foot auxiliary lock chamber by 360 feet in the army’s army’s body Montgomery Lock and Dam, near Monaca, Pa., A global $ 1.59 million project expected in 2033.
The joint company contractor, Trumbull-Brayman, will finally replace one of the existing chambers in the blockade of the 1920’s with a new 110-foot primary blocking room by 600 feet, according to the Pittsburgh district of the body, which is the owner of much of the violation of the nation’s waterways and occupied local journalists and officials on a journey through the Megapog. August 20. 20.
“These are the oldest and younger [locks and dams] In Ohio here, “said Chris Dening, project manager, for the Pittsburgh Corps District.” When I say smaller, that means that all downstream is twice as large. They have a capacity of 1,200 feet. This has only 600 feet, so it becomes a natural bottle type for the industry when they reach the port of Pittsburgh … at the moment they reach 100 years. They have seen a lot of wear and tear. They were rehabilitated in the 1980’s, and this was to expand their lives for another 25 years. So if you do the math about this, you know we are going to overtime. ”
The maintenance activities of the small locks can cause navigation necks in the Ohio and if the locks were closed to do this work, according to the Waterways Council, a group of DC -based lobbying that represents the users of the country’s interior navigable routes. The economic impact of a one year closing in Montgomery Locks and Dam would cost the US economy about $ 180 million, said the Council.
Jenna Cunningham, a resident engineer in the Pittsburgh district of the body, said that the project is still in unique completion digits as a percentage of the entire work and that it will continue to be built in the wet until the engineering control is satisfied that a cofferdam can be built for the final stages of construction that will be completed dry.
Army resident engineer Jenna Cunningham explains the construction plan for the Montgomery Blocking and Taking Project of $ 1.59 million in Monaca, Pa.
Photo of Jeff Yoders/Enr
Much of the original wall of the auxiliary lock chamber was demolished by attached files of Jackhammer mounted on the Trumbull-Brayman excavator BARGES on the day of the place tour.
“We are building a new principal[-sized] Chamber on the footprint of the auxiliary chamber, “said Colonel Nicholas Melin, commander of the Pittsburgh Corps district.” If you can imagine we will be going to prove the auxiliary chamber here and build a new 600 -foot chamber just on this footprint. “”
Melin said only one barge at a time can go through the existing Montgomery auxiliary chamber, so closing the main chamber would be essentially moving a new trailer on a full day to separate and reassemble the barges. Cunningham said that the new average wall will be next to it and will have to be built in the dry once the project changes the means and methods.
“We don’t want to destabilize our new average wall,” Melin said. “We are not digging below this wall and destabilizing it.
Journalists and officials showed a detailed model of Autodesk Navisworks from the Center for Research and Design of the body engineering in Vicksburg, Miss. The Montgomery model was used by Trumbull-Brayman not only for construction activities, but also for the decisions of takeoff and purchase of quantity for the project. Dening said that even when the Montgomery concrete plant was still under construction, Steel could be purchased for blockade doors that will be installed in a later phase of the project and the manufacture could begin.
“The body is going on 100% Autodesk, which was only a recent term that came out,” said Melin. “All of our main mega navigation projects we have the responsibility of design, so it is the SOO [Michigan] Lock, this is the Kentucky Lock, that is, Montgomery, which is Lock 25 in Lagrange Il., We have many lessons learned and that share best practices organically. We also have an important database of lessons learned that we also follow. “”
Corps officials said that the process of changing Autodesk design products such as Revit, Civil 3D and Autocad began in 2018 and was largely completed by 2023. Another long lead element is the concrete plant that is built on a hill above the remote lock and the dam. As the body uses concrete mixes largely for blocking and prey projects, the construction of the plant is essential for the later phases of the construction. Cunningham said that once completed this winter, transporters will be built through the existing structure to deliver the right to concrete place ready to place it.
There are three projects of modernization of blocking and taken in the Master Plan of the Higher Navigation of Ohio, Montgomery, Dashonds and Emsworth.
