Summary of Engineering Services Design / Build Design / Build projects have focused on private and tribal facilities. Tasks include preparation of pre-design and construction documents for renovation of existing and/or new construction of proposed developments including: Membrane Bioreactor Wastewater Treatment Facilities Conversion of sequencing batch reactors to membrane bioreactor wastewater treatment facilities Water Distribution, Storage and Treatment Site Development, including layout, earthwork and grading Roads and Parking Facilities Cost Estimating