Equipment_Must_Have_Requirements_update.pdf
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- Solicitation number
- 47PH1119R0002
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Equipment Must Haves
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Chiller:
-Minimum 2 compressors centrifugal Magnetic Bearing (oil less) -With the following options: 5 year warranty entire chiller including labor & refrigerant -Marine water boxes on the condenser & Evaporator tube and shell heat exchanger -1.5 inch insulation -Partial Knockdown Kit to give access to chiller maintenance areas -Factory start up by the manufacture's authorized service company -Corrosion resistant tube sheet, end plate & marine water boxes (Condenser only) -IPLV .355 or better -Full load KW/Ton .58 -2 pass condenser, 2 pass evaporator -NTE 5.5psi pressure drop Evaporator @ 286 GPM 45/55 degf -NTE 5.5 psi pressure drop Condenser @ 360 GPM 85/95 degf
Pumps - vertical inline split coupled with suction strainer/inlet guide vanes & triple duty valve on discharge side of pumps (shut off/check/flow control) -One liquid filled gauge connected in a manifold configuration to allow measuring pressure on inlet of strainer, outlet of strainer & discharge side of pump.
-Inverter duty motor. Pumps shall be piped in a common manifold configuration so that either pump can flow to either chiller. This applies to the condenser and chilled water pumps.
Cooling Tower - shall be 316 stainless steel construction for upper and lower section.
-One each motor davit per tower fan motor.
-Vibration switches and sump heater per sump.
-OSHA approved ladder & platform to service each tower motor.
-Two sump configuration with a side mounted equalizer line connected each sump. This will allow for maintenance of each sump for servicing while one half of the tower is still operational or to allow one sump with the equalizer line in open position. Each inlet and outlet shall have a DDC automated valve incorporated into the BAS and SOO. Each actuator shall have feedback signal.
-The tower manufacturer's authorized service firm shall perform the tower startup. Tower shall be installed in accordance with the manufacture's installation manual.
-Install new insulation material with metal jacketing on the entire water makeup water line that is located on the roof.
-No basin sweeper systems allowed -Add a condenser water bypass line with an automated valve -VFD’s for cooling tower fans Plant Sequence of operation (SOO) will be needed.
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