Certification/other skills and abilities include knowledge of survey methods, plan and shop drawing reading, ability to add and subtract, multiply and divide, survey equipment experience with Trimble, and physical demands including keyboarding/typing, ability to read effectively, ability to handle a large volume of work, ability to effectively verbally communicate, ability to stand, sit, stoop, bend, walk and lift heavy objects, and work environment characteristics including work in a variety of weather conditions with exposure to outdoor elements. Sherwood self-performs many types of civil construction including: earthwork and site prep, concrete and asphalt paving, civil and structural concrete, rock excavation, piling and sheet piling, sub-grade stabilization, and water/waste-water treatment facilities.