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D. UTILITY COORDINATION PENCO Engineering, Inc. will coordinate with the utility agencies throughout the design phase. If the proposed improvements interfere with existing utilities, we will arrange to have potholes taken by the utility company, if this can be accomplished in a timely mariner. Otherwise, any needed potholing will be performed under a potholing allowance provided in this agreement and a separate contract, if necessary. PENCO Engineering, Inc. will secure permits, if needed, from utility companies for the design and construction of the project. At this time, we do not anticipate the need to secure additional right-of-way. E. BASE SHEETS PENCO Engineering, Inc. will prepare Base Sheets utilizing the design survey, utility search data and existing street improvement plans for the project. These Base Sheets will be utilized for the preliminary design of the street widening and pavement rehabilitation / traffic signal modifications and signing and striping plans. The plans will be prepared at a 1"=20' scale for both the street and storm drain improvements. F. PAVEMENT EVALUATION PENCO Engineering, Inc. will work with the firm of Leighton & Associates, Inc. to prepare a pavement evaluation and recommendations for the proposed Street Rehabilitation Area. The following will be included in the pavement evaluation: 1. Review of existing/ available soil report/records available on file at the City to determine existing pavement thickness and potential for instability. 2. Preparation of a preliminary plan of our field investigation location based on the review of existing data and site visit, which included recommendations for soil borings and Underground Service Alert (USA) "Dig Alert" notifications. 3. Pre -field activities to mark the boring locations, to obtain clearance from USA, and to obtain permit from the City. The City shall pay all associated permit fees. 4. Field investigation, which will include drilling, logging, and sampling of twenty (20) borings. Boring locations will be cored a day prior to our field investigation. Borings will be drilled to the depth of 5' deep utilizing small -diameter (6 to 8 inches) hollow - stem auger. The total linear footage of drilling is estimated to be approximately 100 feet. These borings are intended to obtain subsurface soil characterization/ stratification, soil samples, and groundwater information, if encountered. Leighton Consulting, P:\2008\02344.00 - City of Santa Ana OnCall\Attachment A\Civil Engineering Scope of Services.5.20.08.doc