Engineering 2 Bldg. 503 - Interruption of Ventilation, Heating, Cooling and Exhaust
Date: July 30 to August 17, 2026 Time: 7AM to 4PM intermittently
FM Preventative Maintenance staff will be performing scheduled preventative maintenance work on the building’s heating, ventilating and air conditioning (HVAC) systems. This work includes inspection and replacement of air filtration media and fan motor belts, lubrication of motors, and inspection/repair of associated ventilation and hydronic heating and cooling systems.
-------------------------------------------------------------------------------------------- PLEASE MAKE SURE ALL OCCUPANTS ARE NOTIFIED NOT TO USE FUME HOODS AND GAS CABINETS DURING OUTAGES AFFECTING THEIR AREAS.
-------------------------------------------------------------------------------------------- Thursday July 30, 2026
HVAC AH –1 System will be off 5:00AM to 11:00AM (serves interior rooms on the first, second and third floors of the southwest annex. Perimeter rooms will not be affected)
-------------------------------------------------------------------------------------------- Monday August 3, 2026
HVAC Supply Fan 1 will be off 5:00AM to 11:00AM (serves rooms 1119A, B, C, D, E. 2111, 2119, 2120, 2122, 2122A, B, 3111, 3119, 3119A, 3120, 3122)
Fume Hood Exhaust Fan FE-1 will be off 1:00PM to 4:00PM (serves 1117, 1119A, 1119C, 1119D, 2111, 2119, 2120, 2122, 2122A, B, 3111, 3119, 3119A, 3120, 3122)
Fume Hood Exhaust Fan FE-9 will be off 1:00PM to 4:00PM (serves one fume hood in room 3119)
-------------------------------------------------------------------------------------------- Tuesday August 4, 2026
HVAC Supply Fan 2 will be off 5:00AM to 11:00AM (serves 1119B, 1119E, 1119G, 1119H, 1151A, 1151B, 2133, 2134, 2145, 3133, 3134, 3146)
Fume Hood Exhaust Fan FE-2 will be off from 12:00PM to 2:00PM (serves rooms 2133, 2134, 2119, 2120, 3122, 3133, 3134. Also serves the south end of the MOCVD Lab)
-------------------------------------------------------------------------------------------- Wednesday August 5, 2026
HVAC Supply Fan 3 will be off 5:00AM to 11:00AM (serves 1148, 1150, 1161, 1165, 2157, 2171, 2176, 2178, 3145, 3145A, 3157, 3163, 3165, 3176, 3178)
Fume Hood Exhaust Fan FE-3 will be off from 11:00AM to 2:00PM (serves rooms 1161, 1165, 1177, 2145, 2146, 2157, 2171, 2211, 3145, 3146, 3157, 3163, 3165. FE-3 also serves the north end of the MOCVD equipment aisle)
-------------------------------------------------------------------------------------------- Thursday August 6, 2026
HVAC Supply Fan 4 will be off 5:00AM to 11:00AM (serves 1177, 1207, 1207A, 1208, 2211, 2218, 3177, 3211, 3217, 3218)
Fume Hood Exhaust Fan FE-4 will be off from 11:00 AM to 4:00PM (serves 1204, 1207, 1208, 1227B, 2211, 2118, 3177, 3211, 3217, 3218)
-------------------------------------------------------------------------------------------- Friday August 7, 2026
Vacuum may be disrupted 8:00AM to 12:00PM
HVAC Supply Fan 5 will be off 5:00AM to 11:00AM (serves 2110, 1227, 1227A, 1227B, 1227E, 1239C, 2217, 2226, 2229, 3223, 3228, 3228A)
Fume Hood Exhaust Fan FE-5 will be off from 11AM to 2:00PM (serves rooms 1227, 1227A, 2217, 2226, 2229, 2231, 2171, 3222, 3223, 3226, 3229, 3235)
Fume Hood Exhaust Fan FE-10 will be off from 11:00AM to 2:00PM (serves single fume hood in room 3223)
-------------------------------------------------------------------------------------------- Monday August 10, 2026
HVAC Supply Fan 6 will be off 5:00AM to 11:00AM (serves rooms 1231, 1231A, 1237, 1239, 2231, 2235, 3228, 3229, 3236)
Fume Hood Exhaust Fan FE-6 will be off from 11:00AM to 2:00PM (serves rooms 1231, 1239, 2232, 2235, 2331, 3235, 3236, 3229 fume hood #1)
Fume Hood Exhaust Fan FE-8 will be off from 11:00AM to 2:00PM (serves room 1239)
Fume Hood Exhaust Fan FE-11 will be off from 11:00AM to 2:00PM (serves room 1239C)
-------------------------------------------------------------------------------------------- Tuesday August 11, 2026
Compressed air may be disrupted between 8:30AM to 12:00PM
HVAC Supply Fan 7 will be off 5:00AM to 11:00AM (serves 1245, 1245A, 1245B, 1245C, 1245D, 2232, 2243, 3235, 3243)
Fume Hood Exhaust Fan FE7 will be off from 1:00PM to 4:00PM (serves rooms 1231A, 1237, 1245A, 1239, 2232, 2243, 3243)
-------------------------------------------------------------------------------------------- Wednesday August 12, 2026
Emergency Generator will be tested 7:00AM to 8:00AM (only emergency power circuits will be briefly interrupted in transition of power and may cause interruption of Equipment cooling systems)
HVAC AHU-1 will be off 5:00AM to 11:00AM (this fan provides supply air for Palmstrom lab 1315)
Exhaust Fan EF-1 will be off from 11:00AM to 2:00PM (this fan provides exhaust and fume hood exhaust for Palmstrom lab 1315)
-------------------------------------------------------------------------------------------- Thursday August 13, 2026
HVAC AHU-4A will be off 5:00AM to 8:00AM (this fan provides half the supply air for the MOCVD Lab)
HVAC AHU-4B will be off 8:00AM to 11:00AM (this fan provides half the supply air for the MOCVD Lab.)
Fume Exhaust Fan FE-1A will be off 11:00 AM to 2:00PM (serving room 3229 fume hoods and snorkels)
-------------------------------------------------------------------------------------------- Friday August 14, 2026
HVAC AHU – 5A will be off 5:00AM to 8:00AM (serves the Teaching Clean Room)
Exhaust Fan EF-1A will be off from 11:00AM to 2:00PM (serves the Teaching Clean Room, the center section of the MOCVD Lab, and the south end of the MOCVD equipment aisle)
Exhaust Fan EF-2A will be off from 11:00AM to 2:00PM (serves the Teaching Clean Room and the north end of the MOCVD Lab)
-------------------------------------------------------------------------------------------- Saturday August 15, 2026
Date reserved for service of equipment in 3426 serving lab (Recharge Work) AHU-1 FC-2
-------------------------------------------------------------------------------------------- Please contact Michael Lindner, Facilities Management Preventative Maintenance Superintendent with any questions of concerns: michael.lindner@ucsb.edu.
Posted Jun 23, 2026 - 21:24 PDT
This scheduled maintenance affects: CAMPUS BUILDINGS (Engineering II - UCSB Building 503).