Subsurface Utility Mark Out »

Location: Woodmere, Nassau County, New York
Client: PSEG Long Island
Completion Date: May 2023

TSPE provided topographical and utility surveys for PSEG Long Island. TSPE survey crews provided professional land surveying services including on-site field observations to locate existing utilities, verify and confirm existing site features, structures and topographic features against aerial mapping provided by PSEG LI. TSPE provided aerial mapping contours at 1’ vertical intervals along with spot elevations provided at apparent changes of grade along with sufficient topographic overlap coverage beyond the overall subject project limits. Utility locations were prepared in compliance with ASCE/CI 38-02, Quality Level B. Subsurface utilities marked-out consisted of existing street lighting, electrical conduits, telecommunication and fiber optic lines, gas mains, water mains, and  storm and sanitary structures.