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1、Published December 2004Whether you are a facility owner/operator, locator, design professional, one-call center employee, excavator/contractor or other stakeholder, ensuring the safety of those who work or live in the vicinity of underground facilities and protecting our vital services is everyones
2、responsibility. The Common Ground Alliance (CGA) is a nonprot organization dedicated to the promotion of shared responsibility and implementation of the “best practices” in damage prevention. In 1999, the U.S. Department of Transportation sponsored the Common Ground Study of One Call Systems and Dam
3、age Prevention Best Practices. Following the completion of the Study, the Common Ground Alliance was developed to build on the spirit of shared responsibility. The mission of the CGA is to ensure public safety, environmental protection, and integration of services by promoting effective damage preve
4、ntion practices. The Alliance works cooperatively to enhance underground damage prevention by: Fostering a sense of shared responsibility for the protection ofunderground facilities; Identifying and disseminating the stakeholder best practices suchas those embodied in the Common Ground Study; Develo
5、ping and conducting public awareness and educationprograms; Promoting Federal grants for damage prevention; Supporting research; and, Serving as a clearinghouse for damage data collection, analysis,and dissemination.For additional information on the Common Ground Allianceor to learn how to become a
6、member,visit the CGA web site at .IntroductionCommon Ground Study of One Call Systems and Damage Prevention Best PracticesThe purpose of the Common Ground Study, completed in 1999, was to identify and validate existing best practices performed in connection with preventing damage to underground faci
7、lities. The collected best practices were intended to be shared among stake-holders involved with and dependent upon the safe and reliable operation, maintenance, construction, and protection of under-ground facilities. The best practices contain validated experiences gained that can be further exam
8、ined and evaluated for possible consideration and incorporation into state and private stakeholder underground facility damage prevention programs.Best Practices Version 2.0The Common Ground Alliance (CGA) was created to further the work begun by the Common Ground Task Force established by the Unite
9、d States Department of Transportation (DOT) in 1998. The Task Forces work product, entitled the “Common Ground Study,” provided a guide to underground utility damage prevention best practices in use throughout the United States.CGAs Board of Directors instructed the Best Practices Committee to devel
10、op a CGA Best Practices Guide based upon the work of the Task Force. The Best Practices Committee developed the following guide that includes: Part 1 Section A, a verbatim restatement of the best practices listed in the Study; Part 1 section B, includes the practice statement with supporting descrip
11、tion; and the Appendix that consists of a glossary of terms and denitions. The verbatim restatement of all of the ancillary material contained in the original Study, other than the best practices themselves, is available on the CGA web site and is intended as an historical reference point for those
12、persons interested in a more detailed background regarding the current best practices.Neither DOT nor the CGA ever intended that the best practices described in 1999 would constitute a static model. Rather, both anticipated that the best practices would evolve over time as more was learned and as te
13、chnology advanced. Moreover, CGA and the DOT expected that there likely would be additional best practices developed by the interested participants. Version 2.0 should be viewed as a starting point. As best practices are added or amend-ed, the additions and amendments will be reected in further ver-
14、sions, numbered sequentially. By this means we hope to provide a continuum that will permit the public, and especially stakeholders in underground utility damage prevention, to see the course of development over time. We also hope to provide commentary as to the reasons for any indicated changes.Com
15、ments and suggestions on improving the format are welcome. Our intent is to make the statement of these best practices as easy to use as possible. If we can improve upon what you see here in or-der to do so, your input in helping us do so would be most appreci-ated. To propose a new practice or practice modication, contact the CGA ofce (703-836-1709) to request a proposal form or visit the CGA web site at .Introduction .3Practice Statements .5Planning & Design Practice Statements .5One-Call Ce
