Book excerpt: North Carolina Water and Sewer Lines Course. This classification covers construction work on water and sewer mains, water service lines, and house and building sewer lines, as defined in the North Carolina State Building Code, and covers water storage tanks, lift stations, pumping stations, and appurtenances to water storage tanks, lift stations and pumping stations. It includes pavement patching, backfill and erosion control as part of such construction. Use the course structure to tailor your prep to your individual learning style. The course includes: Test-taking techniques and test taking tips Highlights and Tabs locations for reference materials Practice Exams with 100's of test questions