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Question and Answer What is the system volume of each CT? The specifications vary depending on the cooling tower. Please refer to the make and model information outlined in the Performance Work Statement, Scope of Work, or inventory for these details. What are the cubic feet of each CT (including underground sumps)? Please refer to the make and model information provided in the inventory. For PAD (VA Palo Alto), Building 100, the cooling tower sump dimensions are 25 feet by 44 feet, with an approximate depth of 6 feet. What is the annual average continuous cooling tonnage for each CT? It varies depending on the location. Please refer to the Performance Work Statement or Scope of Work for further details. Who owns the existing chemical tanks, chemical pumps, and water treatment controllers? The VA owns the existing water treatment controllers, chemical base tanks, and chemical pumps. Should the cost of new water treatment controllers, chemical base tanks, and chemical pumps be included in the bid? The VA owns the existing water treatment controllers, chemical base tanks, and chemical pumps; therefore, the cost of these systems should be excluded. What is the current chemical delivery process? What package size is used for chemical base tanks, and who is responsible for transfer into the base tanks? The contractor shall be responsible for determining the appropriate size of the chemical base tank at each location, as well as for the delivery of chemicals and their transfer into the base tanks. What are the closed-loop volumes, and should the cost of biocide treatment be included? The VA is unable to provide this information currently. The contractor may need to utilize estimation tools to approximate the volume of these closed loops. Additionally, chemicals may be added incrementally until the required parts per million (ppm) of corrosion inhibitor are achieved. What is the approximate annual closed-loop makeup water volume for determining inhibitor treatment demand? We do not have a specific number for this, as it fluctuates frequently due to leaks and ongoing maintenance activities. The demand for inhibitor treatment will vary in accordance with the condition of the loop at any given time. Water samples could not be obtained during the site survey. Please provide the cooling water makeup quality or target cycles for cooling water makeup quality or target cycles at this time. All cooling towers and closed loops are currently maintained in accordance with VA HVAC standards and are operating within established limits. At this time, we are unable to provide detailed information; however, a sample report may be made available to the awardee following contract award, in accordance with the Performance Work Statement or Scope of Work. Will the onsite team pull samples for Nalco field water testing? No, the contractor (awardee) representative will be responsible for collecting, analyzing, and reporting sample data as required by the contract. VA represen…
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