Q_ _A's.docx

Q. 2 ft of overhead clearance is needed for ductwork. 9 feet minimum would provide a minimum of 11 ft

A. --- depending on duct work of manufacture total high cannot exceed 12' but must have a 9' interior height

Q. As specified, 6 ft W windows are called for. Max of 4 ft is possible due to reinforcement every 48 inches in the vertical cleanroom wall panels.

A. 2 each 6' x 4' windows or 3 each 4' by 4' windows spaced on the wall next to walkway.

Q. Requesting 4 to 6 , 2ft by 4ft HEPA fan filter modules. Will the finished room be qualified ISO 9 ?

A. depending on fans must maintain 99.99% efficient @0.3 microns all depending on specifications of manufacture of the fans capabilities.

Q. In electrical details “receptacles to be explosion proof around the work area “ What Class and Div ?

A. Class one division two will be acceptable

Q. No details given for humidification and dehumidification systems .

A. no work internal work will change humidity conditions but must maintain a 45% humidity rating with normal Florida local area conditions ( humidity)

Q. Not enough detail to verify AC system sizing is correct.

A. The heat produced by equipment, 80 degree room temperature that the clean room will be installed in , and be able to maintain a 68 degree +- while maintenance is being performed on components.

Q. Need more detail on existing building interior and heat generating equipment being used in cleanroom

A. 1500 watt heat lamps 6 each at one time, 4 each, 1440 heat cons size- 24' square 4 each may be used at one time