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PETTIGREW & ASSOCIATES provided an ALTA/ACSM Land Title Survey (2005) and an update (2009) for the 120 megawatt wind generation project. The project is located on a mixed private/public site including 4,320 acres of New Mexico State trust lands near the county line between Chaves County and Roosevelt County, about 65 miles northeast of Roswell.
The project included an area of 25 sections across 3 townships. The ALTA also encompassed the transmission line route that covered an additional 1 mile of Right of Way. Through the course of the work, P&A retraced approximately 30 sections in order to complete the ALTA survey.
PETTIGREW’s involvement included ALTA boundary and design survey across multiple landowners. The surveys included aerial photography combined with conventional and LiDAR topographic mapping of a 26 square mile area encompassing the wind farm which contained 125 turbines and a 0.5-mile 115Kv power transmission line. P&A was responsible for coordination of LiDAR subcontractors, as well as monitoring LiDAR data reduction and topographic collection and evaluating the discrepancies between the collection methodologies. Additionally, PETTIGREW & ASSOCIATES was responsible for GPS control network to support the project, review of boundary evaluations, construction layout of transmission lines, substation, turbines and utility connection lines.
Working on the ALTA survey, the firm was in direct contact with landowners gaining access and research for the work. The project also included construction surveying of the substation sites and the transmission line.