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tCity of Sunny Isles Beach, Professional General Engineering Consultant January 8, 2007 Page 2 James Gran, P.E., will provide the Quality Control review. Mr. Gran has 24 years of water, sewer and other civil engineering experience. He was a past contractor and is very knowledgeable in the construction methods for drainage, sanitary sewer and lighting. He is also Value Analysis qualified. CWI additional staff members have extensive stormwater, sanitary sewer and utility experience. Alejandro Hernandez, E.I., Gustavo Eckardt, E.I., Ahmad Aljbour, and Jose Aldir, E.I., will assist with the design of this project. Their resumes are also included for reference. Roger Archabal, P.E. (LEE) is a geotechnical engineer with more than 22 years of experience. Cristina Gonzalez, P.E., also with LEE, has more than 25 years of geotechnical engineering experience. Both of these engineers are very familiar with the North Dade and Miami Beach soils and they have extensive experience in coastal geotechnical engineering structures. Al Tello, P.E., PLS (SSA) has more than 24 years of surveying and mapping experience. Mark Johnson, PLS has more than 20 years of surveying and mapping experience. They have extensive experience in the North Dade area and are ready to provide the required survey for this project. The CWI Team has successfully completed many Miami - Dade County projects, on time and on budget. Our qualifications are included for your review. Based on these qualifications, we believe that our CWI team is your best choice for this important community project. We have the expertise to coordinate, study, design, permit, and provide construction administration for the proposed improvements. Understanding of Project Issues: CWI has past and present knowledge of the Atlantic Avenue area. There are several important issues which must be considered while designing the improvements for this community. ♦ Public Involvement: The Atlantic Isle Community has approx. 60 residential homes, a quiet park and a small lake. The only access to the island is from Collins Avenue. Utility construction in the narrow streets will require close coordination with the City and the Island residents. We understand that there has been a lot of planning for these improvements. CWI can conduct public informational meetings to provide project materials to update the residents on the progress of this project. We can also prepare announcements and assist the City with scheduled meetings. ♦ Water Quality for Stormwater Design: CWI has a very good relationship with Miami -Dade DERM on coastal stormwater projects. Our staff designed several large drainage projects, including Golden Beach and the Key Biscayne Drainage Improvements including the west side of Crandon Blvd. The Key Biscayne improvements included 18 drainage wells. CWI will meet with DERM very early in the design process to confirm the water quality requirements for the improvements. These are anticipated to include pollution protection structures which would be placed before the existing outfalls to the Intracoastal Waterway. CWI designed the previous cul -de -sac improvement at the end of Atlantic Avenue. There were some minor drainage improvements included in that small project. Some adjacent homes were under construction at that same time. Therefore, it appears that there may still be some drainage issues where the homes were recently constructed at the end of Atlantic Avenue. ♦ Innovative Techniques: Langan Engineers have used a floating foundation system which may be an economical solution for the construction of the sanitary sewer system. The existing soils are anticipated to be poor and are not likely to support the sanitary sewer gravity and force main lines. A typical sanitary gravity sewer pipe in the past, has been supported by a concrete or wood pile foundation. This "floating" foundation has been used on other Miami -Dade projects with successful results. We will investigate the soil conditions during the design phase. If the soils are poor, this foundation system may be an Innovative solution. ♦ Existing homes and decorative driveways: Atlantic Island is a developed residential area with existing water lines and some drainage structures. The roads are very narrow with many decorative driveways constructed in the road right -of -way. These brick and concrete driveways will require protection or replacement during the construction of the sanitary, drainage, water, electric lines and lighting. ♦ Maintenance of Traffic: The narrow streets will create a construction phasing challenge. The utility trench construction will require almost total blockage of the street for the construction equipment. These would include the excavator and the dump truck to haul off the material. The driveways would be blocked and many residents may not be able to reach their homes. We would provide detailed maintenance of Traffic requirements during the construction to provide safety and Narrow Residential Streets ICivil Works, Inc. 10 NW 42 d Avenue, Suite 200, Miami, FL 33126 Ph: 305 - 448 -5955 Fax: 305 - 448 -5466