We have provided engineering and design services for many midstream pipeline installation projects ranging from short laterals to large diameter, cross-country transmission pipelines.  Our experience includes feasibility studies, FEED work, detailed engineering and design, permitting support, material specifications, etc for natural gas, CO2, liquids and water pipelines made of steel, HDPE, fiberglass and other non-steel materials.  Our services included engineering, design and mapping as needed for induction bends and horizontal directional drilling.  Spartan deliverables included pipeline alignment sheet construction drawings, site-specific plan and profile drawings, engineering calculations, hydrostatic test calculations, tie-in drawings, pigging facilities, construction comments, and material callouts for induction bends, pipe, valves, fittings and coating.  We worked in harmony with environmental groups, operations personnel, right of way agents and construction firms to achieve overall project success based upon multiple stakeholder input.