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原文传递 Technologies to Support Storage, Retrieval, and Use of 3-D Utility Location Data

题名：	Technologies to Support Storage, Retrieval, and Use of 3-D Utility Location Data
作者：	empty
关键词：	Underground utility locators##Storage and retrieval##Cost benefit analysis##Construction##Electric utilites##Gas utilities##Highway maintenance##Project planning##Public utilities##
摘要：	Most highway renewal projects require the establishment of an underground utility inventory before detailed design. The processes used to establish a complete understanding (positional and functional) of the underground utilities can be costly and time-consuming. Often a project area is composed of one or more sections of previous renewal projects where the utility inventory was established and well documented. The number of underground utility changes since the last construction project may be few; however, processes to track these changes have not been established. Some of the records that document the underground utility changes may be insufficient, incorrect, or difficult to obtain. Because there is no mechanism in place to track changes to department of transportation (DOT) rights-of-way, the entire project area is resurveyed, which requires locating 100% of existing utilities when only a small percentage of these have undergone change. SHRP 2 Renewal Project R01A developed several strategies, processes, and systems to acquire, store, use, and maintain 3-D utility location data from prior projects, which will help prevent repeated re-inventory of utility features on new renewal projects. The SHRP 2 R01A project’s resulting products have the potential to help avoid problems typically encountered from delays that unknown utilities may cause, as well as to avoid damage to utilities from dig ins and service interruptions. The proposed solution was crafted for use during planning, design, and construction. The solution has potential value as a dynamic, day-to-day process for maintaining an accurate database of all such features for the management of assets (both DOT and permitted encroachments) within highway rights-of-way and thus may have even greater usefulness for DOTs and transportation users.
总页数：	307
报告类型：	科技报告