Contact Us Metropolitan St. Louis Sewer District Michael Stewart, Project Engineer, (314) 768-2784 David L. Frierdich, Assistant Engineer, (314) 768-6385 Brian L. Hoelscher, P.E., Director of Engineering tel: (314) 768-6377 fax: (314) 768-6341 blhoel@stlmsd.com WWTP Design Team Consultants CH2M Hill WWTP Construction Managers Jacobs/Sverdrup Civil Inc. Kwame Building Group, Inc. Conveyance System Design Consultants Horner & Shifrin Conveyance System Construction Managers Shannon & Wilson, Inc. Black & Veatch General Contractors For Site Preparation (95066E) J.H. Berra Construction Co., Inc. Site Preloading (95066D) J.H. Berra Construction Co., Inc. Outfall Sewer (95066M) Bates Utility Company, Inc. Wastewater Treatment Plant (95066A) Goodwin Brothers Construction Company Baumgartner Tunnel (95066B) Baumgartner Tunnel JV Lift Station (95066L) KCI Construction Company Mattese Creek Sewer (95066R) Bates Utility Company, Inc.