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ROBERT J. HUZ.IAK, P.E. <br />PAGE4 <br />3-mile-long soil-bentonite cutoff wall liner system. Also Project Manager for construction <br />services. <br />DAHLIA-COLEY INTERCONNECT PIPELINE PROJECT, AQAM3 COUNTY, COLORADO, FOR <br />CITY OF THORNTON. Project Manager for preliminary and final design of an 847-foot-long, <br />42-inch-diameter steel interconnect pipeline between two lined gravel pit reservoirs. Work <br />included a field investigation program, evaluating design alternatives, recommending a <br />preferred alternative, and preparing construction plans and specifications. The pipeline <br />penetrates two soil-bentonite cutoff walls. The pipeline was installed by tunneling beneath <br />a 2-line road. Also Project Manager responsible for construction management. <br />MILLER RESERVOIR, ADAMS COUNTY, COLORADO, FOR DENVER WATER. Project Manger <br />for technical review of soil-bentonite cutoff wall design. Work included review of collected <br />geotechnical data and development of a seepage model to evaluate required liner depth <br />into the bedrock to meet the State regulations for allowable leakage. <br />DAM No. 2, PUEBLO, COLORADO, FOR ST. CHARLES MESA WATER DISTRICT. Project <br />Manager for design review fora 40 foot-high earth dam founded on a soft silty foundation <br />where seepage control would be provided by asoil-bentonite cutoff wall and an upstream <br />geosynthetic liner. Responsibilities included providing technical support to Owner during <br />construction and assisting with design revisions, which were required because of the poor <br />foundation conditions and obtaining approval of the modifications with the Office of the <br />State Engineer. <br />HAZELTINE GRAVEL PIT, ADAMS COUNTY, COLORADO, FOR CITY OF THORNTON. Project <br />Manager for preliminary design to evaluate alternative liner systems and for final design of <br />soil-bentonite cutoff wall to prevent seepage of groundwater into abelow-grade water <br />storage lake. Developed a groundwater model to evaluate possible impacts to adjacent <br />properties, alluvial water users and the South Platte River from construction of the lined <br />reservoir and ancillary facilities and to support design of a groundwater management system. <br />Project included design of asoil-bentonite cutoff wall, over 3 miles long and up to 80 feet <br />deep. Work included geotechnical investigations, slope stability analyses, seepage analyses <br />to evaluate required liner depths, preparation of contract documents, and construction <br />engineering services. Total construction costs of about $4 million. <br />HIGHWAY 93 DAM AND RESERVOIR, ARVADA, COLORADO, FOR CITY OF ARVADA. Project <br />Manager for master plan, conceptual design, and final design for the phased development of <br />five off-channel water storage reservoirs that will provide about 4,300 acre-feet of storage. <br />Project Manager for final design and preparation of contract documents for an earthen ring <br />around a gravel pit. The dam will be a zoned earthen ring dam about 7,000 feet long and <br />about 45 feet high that will create a 2,000 acre-foot reservoir. Ancillary facilities include: <br />an outlet works that includes a gated inlet, 48-inch steel outlet pipe, and terminal facilities <br />that contain a control vault, fixed cone valve, and stilling basin; surface management system <br />that will divert runoff from minor and major storm events to different directions; a spillway <br />that contains a broad crested concrete weir and cellular concrete chutes; and reservoir inlets <br />that will convey water from the City's water supply system and their underground storage in <br />Leyden Mine. Total construction costs of about $20 million. <br />~~ <br />