PG&E Embarcadero Substation

1. 1900

   Built.

2. 1985

   Included in the city's 1985 architectural and historical survey of Rincon Hill; a commenter on the plan asserted the building was architecturally significant.

   San Francisco Department of City Planning, The Rincon Hill Plan: Environmental Impact Report — Draft Summary of Responses to Comments, 1985.
3. Nov 2007

   Issued Permit 200711158214 $$$ $122,542

   An intelligent nfs 640-2 control apnel with (1) graphic annunciator panel. the system will include (31) smokes, (9) beam detectors, (2) pull stations, (18) dual monitor modules, (6) control modules, (1) monitor module for existing deluge & wet sprinkler systems, (2) weatherproof horn/strobes.

4. Apr 2012

   Permit 201204198656 $$$ $61,868

   Demolition existing deluge system in bank 3 to re-install to accommodate new transformer on the 1st floor. modify bank 13 and replace after blast wall has been installed. (total 36 spray nozzles) install detection system for bank 3.

5. Feb 2014

   Permit 201402067939 $$$ $209,656

   Demolition existing tb2 & tb12 deluge system & existing valve, demolition existing backflow prev & strainer. install new main shutoff valve in stairwell by entry. install new piping in bank tb2 & tb12 with wet pilot system, install new backflow & striners, install new tb2 & 12 deluge valve. install 4 new duct detectors, 5 new.

6. Feb 2014

   Permit 201402269372 $$$ $100,000

   Construction partition wall between transformer 2 & 12 to protect them, the wall will be 20' height, 17 long & 1' wide - pre cast refinforced refactory concrete panels & columns wiht the top being supported to the wall with steel bracings.

7. Aug 2014

   Permit 201408214433 $$$ $550,000

   Cosco to design & expand fire alarm system to cover the scope work. remove existing fan control, install new fan control in lobby. interface fan control with fire alarm system. remove existing graphic annuciator & install new touch graphic annunciator in lobby. upgrade elevator recall system.

8. Jul 2015

   Permit 201507222112 $$$ $180,000

   Relocate e valves in basement. install f500 system consisting of 900 gal bladder tank, concentrate line, modify piping at sw corner of building for new oil containment area.

9. Sep 2015

   Permit 201509156968 $$$ $25,000

   Expand fire alarm system to monitor the new sprinkler deluge system.

10. Feb 2017

    Permit 201702240072 $$$ $68,328

    Temporarily remove existing deluge piping at tb2 & 12 for transformer maintenance. restore system after maintenance is complete. remove the existing fire supression system piping in ocb 202.

11. Feb 2017

    Permit 201702240076 $$$ $14,508

    Demolition of existing deluge detecting system protecting cb202.

12. Feb 2017

    Permit 201702240077 $$$ $14,508

    Demolition of the existing deluge detection system protecting hz2.

13. Feb 2017

    Permit 201702240075 $$$ $13,428

    Remove the existing fire supression system piping in hz-2.

14. May 2017

    Permit 201705156550 $$$ $139,307

    1/f #tb1 & 11- remove existing deluge system piping for transformer maintenance, restore system after maintenance is complete, replace existing heat detections system with pneumatic detection (pilot line).

15. May 2017

    Permit 201705156552 $$$ $9,300

    1/f #tb1 & 11- demolition of existing deluge detection system protecting tb1 & 11.

16. May 2018

    Issued Permit 201805229797 $$$ $129,430

    Replace existing transformer deluge system piping and install new piping to match new transformer.

17. Apr 2019

    Permit 201904258880 $$$ $65,780

    Demolish existing deluge protection for system protecting tb 5 & 15. design & install new deluge system protecting tb 5 & 15 from existing single feed supplied with f-500 encapsulating agent. system designed at 0.30 gpm/sq ft over transformer surface & 0.15 gpm/sq ft over floor area.

18. Jun 2019

    Permit 201906072794 $$$ $50,930

    Install new conduit & 4 new h/d (replacing exist) h/d to exist building.

19. Sep 2019

    Permit 201909272875 $$$ $95,500

    Provide design, permit, parts, labor associated to 4 new vfd fan units to interface with existing fa system & shut down upon alarm activation.

20. Jun 2021

    Permit 202106222980 $$$ $161,080

    Demolition existing fire alarm devices within bank 1-11 space and re-install full heat detector add hvac duct smoke detection monitoring & hvac shutdown and audio/visual coverage once transformer is installed.

21. Jul 2021

    Permit 202107124145 $$$ $20,000

    Adding f500 tank and tamper switch monitoring point into the existing fire alarm system.

22. Sep 2021

    Permit 202109108115 $$$ $130,000

    Demolition existing deluge systems protecting t8 1/11 design and install new system protecting new transfomer 1 and existing transformer 11.

23. Apr 2026

    Permit 202604159442 $$$ $407,463

    Reroofing no hot work. crrc #0628-0028.

DBI holds 41 permits for this parcel, most of them tenant improvements on individual floors. The timeline shows the 24 largest by stated cost, plus the earliest on file; the DBI query in the sources below returns all 41. 14 of them are nominal $1 street-space or sidewalk permits. 3 expired permits are not shown. The assessor dates the building to 1900; Planning's historic resource survey records 1973.