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Jay Kohler, Project Manager with K&S Utility described the experience, "Slotted Drain was easy to handle and install compared to other methods we enjoyed working with this product and look forward to the next job. Contech worked directly with the design team to provide a custom 13" straight grate Slotted Drain that was designed to increase the effectiveness of capturing the surface runoff. Contech also had a plant conveniently located in Arlington, Texas that was able to quickly manufacture and deliver the 14, 650 LF of 16 GA, 18" diameter galvanized Slotted Drain needed to completed the project. as robust or have the same specifications required for use by TxDOT. Given this proven track record, the DOT was confident in Slotted Drain’s durability and effectiveness. NHTSA-2014-0129 Notice of Buy America Waiver AGENCY: National Highway Traffic. "Linear Drains," Contech Slotted Drain has well over one hundred thousand linear feet successfully installed and in use for over 25 years on TxDOT projects. Item 474 in TxDOT Standard Specification for Given that the entire project was an improvement of an existing and heavily trafficked interstate, Slotted Drain offered a less disruptive approach to collecting and conveying surface run-off than other alternatives in these challenging drainage conditions. This area of the highway was a super elevation section in which surface drainage was transitioning from one side of the interstate to the other.Ĭontech Slotted Drain™ offered a convenient method to collect the surface runoff.
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A 10H:1V cross slope is required for two (2) feet minimum behind MBGF. Follow NTTA guidelines for proper barrier/rail us age on ramps and frontage roads. Diameter: 18" w/ special 13" straight grateĪs part of roadway improvement efforts along Interstate Highway 30 (IH30), the Texas Department of Transportation (TxDOT), needed something to help with the surface runoff over a transitional length of the roadway. Except as noted in this manual, adhere to TxDOT standards and guidelines for appropriate application and location of MBGF.Product: Slotted Drain™ 16 GA, galvanized.Design Considerations for Using Flexible Buried Bridges in Lieu of Conventional Bridges.The Fundamentals of High-Rate Biofiltration.Stream Crossing Replacement: A Case Study on Rural Hydraulics Highway Specifications and dated February 1, 2009, is incorporated by reference into the Department’s construction contracts, it is made a part of that document.MATERIALS Ensure electrical materials and construction methods conform to the current NEC and additional local utility requirements. Go Big - Large Scale Stormwater Management Remove, store, and salvage traffic signals.