Dear Colleagues,
The Office of Facilities Planning & Management is scheduled to replace an obsolete AC package unit located on the roof of 3145 Porter Drive -Building A
This job will require preparatory work and a crane lift to remove and replace the existing equipment.
The 3145 Building west side parking area will not be available for parking on Friday (1/30) and will be use for staging materials for the project.
An exterior building map provided below to show location of the crane lift and swing operations – Saturday, January 31st at 6:00am – 11:00am.

SCHEDULE:
Saturday, January 31, 2026
Crane Lift 6:00am to 11:00am
WHAT TO EXPECT:
Friday – January 30, 2026
- In preparation for the crane lift, Carrier will shut down rooftop AC unit starting Friday, January 30th at 6am.
- Safe-off fire & life safety system and electrical disconnects.
- Demo existing supply and return duct work served by the AC unit.
- Space/Room temperatures will swing from cold to hot during the day.
Saturday – January 31, 2026
- Stage new duct work and get the existing unit ready for removal.
- Secure 3145 building west parking area with safety cones and safety barricades.
- Install caution tapes to all entry to the building in preparation for early morning lift operation.
Space/Room temperatures will swing from cold to hot during the day.
Monday – February 2, 2026 to Wednesday February 4, 2026
- AC Unit supply and return duct work installation.
- Reinstall fire & life safety system and electrical feed to new AC unit.
- Turn on power, test and commission AC unit system operation.
- Complete installation on Wednesday (2/4) at 3:00pm.
- Space/Room temperatures will swing from cold to hot during the day.
SAFETY IMPACTS:
During the scheduled crane lift operation, the building will be closed and all entry doors to the building will be closed to pedestrian foot traffic.
CONTACTS:
SOM Project Manager: Fred Echaluse, fechalus@stanford.edu, (650) 714-9193
SOM Contractor: Bruce August, bruce.august@carrier.com, (510) 773-3246
If you have any questions or concerns, please do not hesitate to contact me.
Thank you for your cooperation.
Fred P. Echaluse
Facilities Engineer – Automation & Energy Management
Facilities Operations – OFPM
