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SFO Template - Office of Construction & Facilities Management Home

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MAY 2009SOLICITATION FOR OFFERS OUTPATIENT CLINIC <strong>SFO</strong> NO. VA-101-XX-RP-XXXX[INSERT LOCATION OF FACILITY]D. Cooling Tower(1) GeneralProvide CTI-certified, corrosion-resistant, gravity-flow cooling tower in induced-draftconfiguration to cool the condenser water. The tower shall be in compliance with OSHA safetyrequirements and Physical Security provisions.(2) Cooling Tower LocationLocate cooling tower to ensure that:Tower installation and noise is not objectionable and in compliance with the localordinance. Provide low noise level fans and attenuators as required to meet the noiselevels.Discharge from the cooling tower does not find its way into outside air intakes andopen windows <strong>of</strong> the adjoining spaces to create a potential for the Legionellosisdisease.(3) Tower Accessories and ControlsThe cooling tower installation shall be accessible and complete with a walking platform and aladder safety cage.(4) Water TreatmentProvide a complete and fully functional water treatment system using non-toxic chemicalsapproved by EPA and local authorities.6.4.11 DIRECT-EXPANSION (DX) SYSTEMSUse <strong>of</strong> DX systems, packaged or split-system, is permitted, provided the occupants comfort isnot compromised due to lack dehumidification at part load conditions. The minimum size unitis 20 tons. The Engineer shall address this issue by including the required control strategyand system configuration, such as:Multiple Compressors (single compressor units are NOT acceptable)Low-Ambient OperationHot Gas BypassCustomized Refrigerant Piping Design (if required to avoid stratification)6.4.12 HEATING SYSTEMSA. GeneralProvide heating hot water or steam boilers to meet the space heating and domestic hot waterheating demand. Provide at least two boilers each <strong>of</strong> 50% capacity to ensure flexibility.Provide 100% back-up for the circulating pumps.B. Selection CriteriaSelection <strong>of</strong> steam and/or hot water boilers shall be based on the following:Total heating loadTotal steam demand for winter humidification, sterilizers, kitchen equipmentDomestic hot water loadLocation <strong>of</strong> heating equipment according to the OPCPart I: Basic Solicitation Requirements – Page 105 <strong>of</strong> 196Lessor __________ Gov’t. ____________________ <strong>of</strong> __________ Pages

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