Agmt12 V & A Consulting Engineerings, Inc.

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EXHIBIT "A" SCOPE OF SERVICES. TIME AND FEE SCHEDULES PROJECT DESCRIPTION: Inspection, testing and evaluation of cathodic protection for the recycled water system in Redwood Shores. SCOPE OF SERVICES: Consultant shall provide all required labor, material, and equipment to inspect, test, and evaluate conditions at 45 (forty-five) test stations in the Redwood Shores area of Redwood City to determine the adequacy of existing cathodic protection components and system. Inspection and testing shall be sufficient to determine if fittings meet industry criteria for corrosion protection, if buried wires are cut or otherwise damaged, and to project the remaining useful life of the anodes. Consultant shall use data sheet templates to record anode current outputs, on and instant off potential measurements during the evaluation. The templates will document the condition of the systems and any adjustments or corrective actions made to the systems. The condition of test stations and other facilities will be documented with digital photographs and included in the survey report. The consultant shall clean the test station terminals to lower the circuit resistance allowing more protective current to flow from anodes in areas that were not providing sufficient protection. Task 1 - Document Review and Project Manaqement The consultant shall review the available drawings, reports and test station data for the fittings with cathodic protection. The consultant shall lead the project kick-off ineeting at the city's office prior to the start of field testing. Task 2 - Field Testina The city's cathodic protection system includes galvanic anode and impressed current type installations on water and wastewater structures. The cons ultant shall perform test in accordance with NACE International Standards. Test procedures associated with the evaluation will include the following when appropriate: a. The consultant shall measure pipe-to-soil potentials with the anodes connected to th e terminal board and temporarily disconnected (polarized potential) from the terminal boards. The potentials of each fitting will be measured in test stations with several fittings connected to one test board. b. The consultant shall measure open circuit potential of anodes c. The consultant shall measure each anode current output and test station com bined current output d. The consultant shall perform visual assessment of the test station components and note any damage e. The consultant shall replace severely corroded term inal board hardware ATTY/AGR/2012.150N&A CONSULTING ENGINEERS REV:09-10-12 VR Page 4 of 6