Install or use instruments such as lasers, grade rods, or transit levels.
Cut pipes to required lengths.
Connect pipe pieces and seal joints, using welding equipment, cement, or glue.
Cover pipes with earth or other materials.
Install or repair sanitary or stormwater sewer structures or pipe systems.
Align and position pipes to prepare them for welding or sealing.
Check slopes for conformance to requirements, using levels or lasers.
Lay out pipe routes, following written instructions or blueprints and coordinating layouts with supervisors.
Operate mechanized equipment, such as pickup trucks, rollers, tandem dump trucks, front-end loaders, or backhoes.
Grade or level trench bases, using tamping machines or hand tools.