API RP 1187 PDF

This recommended practice (RP) provides recommendations for the management of landslide hazards for operating onshore welded steel pipelines. 

The recommendations in this document are applicable for onshore transmission pipelines conveying natural gas, hazardous liquids, and carbon dioxide. Offshore pipelines, pipelines containing products other than those listed above, and pipelines made of materials other than welded steel were not explicitly considered in the development of this document, however, it may provide useful guidance to these other applications. The recommendations provided herein are based on the physical, regulatory, and social environment of the United States, but could reasonably be applied in Canada and in other countries with due consideration for their regulatory requirements. The recommendations are for active pipelines and not intended for terminals, aboveground stations and appurtenances, or delivery facilities. 

The intention of this document is to provide operators, contractors, and consultants with recommendations to manage landslide hazards. Landslide hazard management may include both consideration of active features and anticipating or avoiding features such as in design processes, route selection and/or planning of mitigative measures.