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e e EXHIBIT A FURTHER DESCRIPTION FO ENGINEERING SERVICES AND RELATED MATTERS BETWEEN OWNER AND ENGINEER FOR LITTLE CEDAR BAYOU WASTEWATER TREATMENT PLANT SOLIDS HANDLING STUDY This description of services is for performing all necessary tasks to complete a Solids Handling Study for the City of LaPorte Little Cedar Bayou Wastewater Treatment Plant (WWTP). The goal of the study will be to determine recommended improvements to the sludge handling facilities. The scope of services includes eight (8) major tasks. An outline of the major tasks is as follows: Task 1 - Project Kickoff Workshop Due to the short time frame established for this proj ect, a workshop will be held with members of the CDM design team and City of LaPorte staff. The purpose of the workshop will be to discuss concerns regarding the existing sludge handling facilities and the potential solutions to those concerns. The workshop will result in a clearly defined work plan for proceeding with the study. Workshop results will be summarized in meeting minute fOrn;1at and delivered to the City. Those minutes will be used as a basis for proceeding with the study. Task 2 - Collect and Review Data 'This task will consist of obtaining and reviewing existing reports, permits, maintenance records, plans and specifications, and other relevant documents. The purpose of this task is to ensure the best available data is used. Input from City staff regarding the collected data will help to establish the best data to utilize. Collection and review of data will allow the project team to become familiar with the' configurations and physical conditions of the existing facilities. Task 3 - Assess Existing Facilities To develop viable options for the solids handling facilities, CDM must understand the condition and capabilities of the existing facilities at the Little Cedar Bayou WWTP. CDM will conduct an on-site audit of the wastewater treatment plant sludge handling facilities to determine their reliability, vulnerability, and suitability for rehabilitation, etc. The audit will include evaluations of the following: A. Sludge Pumping Facilities: Physical inspections of all sludge pumping stations will be conducted. Testing of each pump in manual operation will be performed. Flow and head conditions will be verified where possible through physical measurements. Electrical components, including motor control centers and local control panels will also be inspected for each sludge pump. As a part of the sludge pumping evaluation, the RASIW AS valving arrangement will also be reviewed. W:\LaPorte\sludge.SCO.doc 5/11100 drh Page 1 of5