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CORTE DE FLORES PASEO SANTA CRUZ END 19,392 OL /F CORTE NUEVO PASEO SANTA CRUZ END 12,896 OL /F PASEO CATALINA PASEO SANTA CRUZ PASEO SANTA CRUZ 31,185 OL /F PASEO SAN LEON PASEO SANTA CRUZ PASEO SANTA CRUZ 30,921 OL RTE PASEO SANTA CRUZ END 13,592 OL /F BARCELONA CORTE BALBOA CORTE DE FLORES END 12,809 OL /F CORTE DEL ORO PASEO SANTA CRUZ END 16,360 OL SAMI: Stress Absorbing Membrane Interlayer OL /F: Overlay with Fabric Staff has recommended that the following construction methods be utilized for this project: Overlay with Rubberized Chip Seal: This construction method involves grinding the edges of the existing pavement, placing a 3/8" layer of asphalt- rubber binder and aggregate pre- coated with paving asphalt (called rubberized chip seal) and then placing a new surface course of 1.5" to 2" thick of asphalt concrete. This method is known as Stress Absorbing Membrane Interlayer (SAMI). The rubberized chip seal interlayer provides increased flexibility of the surface and increased resistance to reflective cracking. The SAMI method will be utilized on streets that were originally scheduled to be reconstructed using the "rip -off method, or "total recycle" method, without base stabilizer. The "rip -off' or "total recycle" method of pavement restoration would require the complete removal or grinding of the existing pavement surface. By using a stress absorbing membrane interlayer, the existing pavement surface is left in place where stable base materials occur. Staff believes that SAMI will not only minimize the construction impact on local residents, but will also minimize the potential of encountering unstable sub -grade materials during construction. Overlay: This construction method involves grinding the edges of the existing pavement, and placing a new surface course of 1.75" or 2" thickness of asphalt concrete on top of the existing pavement. DISCUSSION Bids Sealed bids for this project were opened on July 1, 2009. There were six (6) bids received, ranging from the low bid amount of $1,584,770 to $1,719,116 as compared to the engineer's estimate of $1,903,284 for the project. (See attached Bid Summary.) The low bid of $1,584,770 was received from C. F. Archibald, Inc. of Redwood City, California. A calculation error was found on C.F Archibald's bid and the total bid amount was corrected from $1,637,469.20 to $1,584,770. This resulted in C. F. Archibald, Inc. becoming ranked as the lowest bidder, instead of the fourth lowest bidder in the original order of submitted bids. Past work performed by C.F. Archibald was verified to be Page 3 of 4