Lee Thompson, Director, Dept of Land and Water Resources, Gila River Indian Community, P.O. Box E, Sacaton, Arizona 85247

C -- GEOTECHNICAL INVESTIGATON The Gila River Indian Community, Department of Land and Water Resources is soliciting proposals for geotechnical investigation associated with the design and construction of the Pima Canal-Reach 1. Proposals are limited to those firms with offices within Pima, Maricopa and Pinal Counties of Arizona. I. Description of Project: The Pima Canal Project is the first 24 mile reach of a concrete lined canal planned for installation to convey irrigation waters to the Gila River Indian Community (GRIC) agricultural land in Districts 1 & 2. Water supplies from San Carlos Indian Irrigation Project (SCIP) Central Arizona Project-Fanning-McFarland Aqueduct (CAP) and GRIC wells will be conveyed within the plsnned canal. The existing canal will be enlarged as required to meet capacity requirements and the existing alignment will be used. The project begins at the outlet of the CAP Aqueduct, continues through the feeder canal, follows the existing Pima lateral alignment, follows the alignment of the existing Southside Canal, turns north along Range 6/7 East line and ends where the Casa Banca & North canals begin. II. Description of Work: The work consists of sampling, logging, testing, review and recommendations for construction material and borrow areas. A geologic report for design purposes will be prepared. The following tasks are included. A. Compilation of existing data and surface geology. B. Collection of historical data on construction materials, recommendations, previous analysis and testing. C. Review of regional subsidence and seismic data. D. Prepare exploration plan for 1. Area within canal alignment and Right-of-Way, including structures and bridges, 2. Determining the ability and integrity of the Southside Canal dike system. E. Complete drill holes and test pits, log data and take samples, select samples & prepare soil testing program. F. Review of logs and test results. G. Complete laboratory soil testing program. H. Identify and test material sources for borrow areas, aggregates and concrete. I. Prepare geologic design data report. Selection criteria are as follows: (1) Professional qualification (20 points) (A) Licensed Soils Engineer or Civil Engineer with four years experience in investigating and testing of soils. (B) Registered engineering geologist with 4 years experience in investigating structural foundations. (2) Specialized experience and technical competence of proposed key personnel including technical skills, project coordination and management skills, and experience in working together as a team (20 points). (3) Past performance in terms of cost control, quality of work and compliance with performance schedules (15 points). (4) Investigation approach to be used in completion of the work (15 points). (5) Capability to accomplish the work in the required time on the basis of having sufficient staff and equipment to complete the job within 120 days afer receiving notice to proceed - (10 points). (6) Familiarity with the area in which the Gila River Indian Community is located - (10 points). (7) Experience in working with federal and Indian governments - (5 points). (8) Price quote for completion of the work (5 points). The highest qualified firm will be selected for negotiation of contract under this notice. Architect/Engineer firms meeting requirements and desiring consideration for selection should submit completed proposal including SF-254 and SF-255 on or before close of business June 30, 1995 to: Lee Thompson, Director, Dept of Land & Water Resources, Gila River Indian Community, P.O. Box E, Sacaton, Arizona 85247. (156)

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