Big Shift trench is excavated

Construction Schedule and Progress

Big Shift Construction Schedule and Progress

Big Shift is taking a district-by-district approach to make the massive infrastructure change manageable. Construction for the first and biggest district, the Quad district is complete. Construction in the "Sprocket District" is now underway. Track progress and upcoming construction below. See exactly where construction is happening on the Big Shift interactive map.

Detour info

As Big Shift crews install crucial hot water infrastructure, sidewalks and roads will be subject to closures and detours.

See info on current Big Shift closures

Sprocket District - In Progress

Key: ✓ = Complete; ♦ = In Progress | Table updated: June 9, 2026

Location

Construction Timeframe

Safety

Trench

Pipeline Fabrication and Placement

Insulate and Backfill

Surface Restoration

Fences come down

Noise level

 

Low

Medium to High

Medium to High

Medium

Medium to High

Low

Art Annex/Wright Hall
A small segment of hot water pipes will be installed between Art Annex and Wright Hall
7/28/2025 - 9/15/2025

Chemistry Building
Hot water pipes to be installed along the east side of the Chemistry Building
9/26/2025 - 10/24/2025

Regan Hall Circle - Cowell Building
Hot water pipes will be installed along Regan Hall Circle near Cowell Building
9/15/2025 - 12/15/2025

Lot 21 (entrance)
Hot water pipes will be installed near the south entrance of Lot 21, in between Indio Hall and Cowell Building
8/22/2025 - 12/30/2025

Lot 21 - Cowell Building
Hot water pipes will be installed in parking Lot 21 near Cowell Building
12/15/2025 - 1/28/2026

Orchard Park Greenhouses (east)
Hot water pipes will be installed through the Orchard Park Greenhouses
1/19/2026 - 3/2/2026

University Credit Union Center (west)
Hot water pipes will be installed in the lawn west of the University Credit Union Center
1/29/2026 - 3/9/2026

Regan Mechanical 
Hot water pipes will be installed near the Regan Mechanical building
10/15/2025 - 3/13/2026

Sprocket Bikeway - Segundo Dining Commons
Hot water pipes will be installed between the Segundo Dining Commons and the Sprocket Bikeway bike circle
11/11/2025 - 3/13/2026

Orchard Park Greenhouses (west)
Hot water pipes will be installed throughout the Orchard Park Greenhouses
3/3/2026 - 3/20/2026

Reagan Hall Circle (east)
Hot water pipes will be installed along a portion of Regan Hall Circle south of Sereno Hall and Indio Hall
10/22/2025 - 3/30/2026

Hoagland Hall
Hot water pipes will be installed between Hoagland Hall and Asmundson Hall
8/14/2025 - 4/9/2026

University Credit Union Center bike path
Hot water pipes will be installed along the bike path between La Rue Road and the University Credit Union Center
3/9/2026 - 5/11/2026

Lot 25
Hot water pipes will be installed across the north end of Lot 25
4/29/2026 - 6/10/2026

Kleiber Hall
Hot water pipes will be installed between Kleiber Hall, Storer Hall and Kleiber Hall Drive
3/26/2026 - 6/10/2026

California Avenue
Hot water pipes will be installed along a portion of California Avenue north of the intersection of North Quad to Cruess Hall
12/20/2025 - 6/11/2026

California Avenue - Cruess Hall
Hot water pipes will be installed in the lawn between Cruess Hall and California Avenue
10/24/2025 - 6/12/2026

Orchard Park Greenhouses (northwest)
Hot water pipes will be installed along Orchard Park Drive and in between rows of greenhouses
4/6/2026 - 6/23/2026

 

 

Activities and Recreation Center
Hot water pipes will be installed along the lawn on the west side of the Activities and Recreation Center
6/1/2026 - 7/14/2026

 

 

 

 

Reagan Hall Circle (west)
Hot water pipes will be installed along a portion of Regan Hall Circle east of Segundo Commons and south of Regan Central Commons (Main)
6/15/2026 - 7/10/2026

 

 

 

 

 

 

Segundo Services Center
Hot water pipes will be installed from the Segundo lawn to the Segundo Services Center
6/15/2026 - 8/15/2026      
Segundo bike path
Hot water pipes will be installed along the bike path between Bixby Hall and Campo Hall to the Segundo lawn
6/17/2026 - 8/21/2026      
Orchard Road - Lot 25
Hot water pipes will be installed across Orchard Road connecting the Activities and Recreation Center to the lawn near the Segundo Dining Commons
7/15/2026 - 8/24/2026      
Malcolm Hall
Hot water pipe will be installed near Malcolm Hall
7/27/2026 - 9/14/2026      
ARC Loading Dock
Hot water pipes will be installed at the loading dock for the Activities and Recreation Center
July to August 2026      
La Rue Road
Hot water pipes will be installed across La Rue Road, connecting lines through the Student Wellness Garden and near the Activities and Recreation Center
July to September 2026      
Student Health and Wellness Center
Hot water pipes will be installed near the Student Health and Wellness Center through the Student Wellness Garden
July 2026 to January 2027      
 August to September 2026      
Currant Hall
Hot water pipes will be install between the Engineering Bikeway and Pine Hall, alongside Currant Hall
August to October 2026      
TES site
Hot water pipes will be installed near the Thermal Energy Storage site
August to October 2026      
Miller Hall
Hot water pipes will be installed near Miller Hall
September to October 2026      
Sprocket Building
Hot water pipes will be installed from Regan Hall Circle to Sprocket Building
September to November 2026      
Putah Creek Lodge Drive - Cole B
Hot water pipes will be installed between Putah Creek Lodge Drive and Cole B
October 2026      
Bioletti Way - Kemper Hall
Hot water pipes will be installed along Bioletti Way, north of the Bainer Hall Drive intersection between Pine Hall and Kemper Hall
October to November 2026      
Putah Creek Lodge Drive - Cole Facility
Hot water pipes will be installed along Putah Creek Lodge Drive near Cole Facility
October to December 2026      
Lot 44
Hot water pipes will be installed on the northwest side of Lot 44
November 2026 to February 2027      
Putah Creek Lodge Drive - Cole A
Hot water pipes will be installed between Putah Creek Lodge Drive and Cole A
December 2026 to January 2027      
Mann Laboratory
Hot water pipes will be installed in Lot 26 near Mann Laboratory
December 2026 to January 2027      
La Rue Road - Lot 47
Hot water pipes will be installed along La Rue Road just east of the entrance of Lot 47
February to March 2027      
Bioletti Way - Lots 44 & 47
Hot water pipes will be installed along Bioletti Way between the entrance to Lot 44 and the entrance to Lot 47
February to March 2027      
La Rue Road - Cole Facility
Hot water pipes will be installed along La Rue Road, north of Cole Facility
March to April 2027      
Bioletti Way - Meyer Hall
Hot water pipes will be installed along Bioletti Way, near Meyer Hall
March to May 2027      
Cole C
Hot water pipes will be installed between La Rue Road and Cole C
April 2027      
Meyer Hall
Hot water pipes will be installed between Meyer Hall and Bioletti Way
April to May 2027      

 

Quad District - Complete

With all the pipes laid, trenches filled and sidewalks and landscapes restored the Quad District is complete! The table below shows all the work accomplished in the first district.

Key: ✓ = Complete; ♦ = In Progress

 

Construction Duration*

Safety

Trench

Pipeline Fabrication and Placement

Insulate and Backfill

Surface Restoration

Fences come down

Noise level

 

Low

Medium to High

Medium to High

Medium

Medium to High

Low

Storer Mall
segment 6.65

7/18 - 9/16/22

Chemistry
segment 3.3

5/16 - 5/31/22

Shields Library
(East side)
segment 4.1

3/14 - 5/20/22

South Hall
segment 4.9, 4.10

3/9 - 5/20/22

Voorhies Hall
segment 4.12

2/28 - 5/20/22

Shields Library
(Northeast Corner)
segment 4.6

2/7 - 3/11/22

Dutton Hall
segment 4.11

2/7 - 3/8/22

Olson Hall
segment 4.2

1/24 - 3/11/22

Shields Avenue at East Quad
segment 4.8-1, 4.8-2

 

12/13-3/4/22

Sproul Hall
segment 4.4, 4.5

11/15-1/21/22

 

 

 

 

 ✓

Robbins & Hart Hall
segment 6.8

11/11 - 1/24/22

California Lecture Hall
segment 6.4

10/4 - 10/15/21

Everson Hall
segment 3.4

9/28 - 11/30/21

Hutchison Drive
(Art Building & Everson)
segment 3.6, 3.8

8/16 - 1/28/22

Surge III
segment 2.1

8/10 - 10/1/21

Hutchison Drive
(Everson Hall)
segment 3.2

7/30 - 9/30/21

Hutchison Drive
(between Olson Hall and Music Building)
segment 4.3

7/15 - 8/16/21

Sciences Lecture Hall
segment 2.2

7/13 - 8/20/21

East Quad
segment 4.7, 4.13

7/12 - 8/20/21

Hutchison Drive
(at Student Community Center)
segment 3.1

7/10 - 7/30/21

North Quad/California Ave
segment 6.1-1

 

West Quad/Memorial Union
segment 5.5

5/10 - 6/28/21

Hutchison Drive
segment 2.5

5/10 - 6/4/21

California Ave
segment 6.9

4/21 - 6/4/21

California Ave
segment 6.7

4/12 - 6/4/21

Wickson/Kerr Hall
segment 6.3

3/22 - 5/7/21

California Ave
(at Robbins Hall)
segment 6.6

3/8 - 4/19/21

Asmundson Hall
segment 6.2

3/1 - 3/26/21

Bioletti Way 
(at Latitude) 
segment 1.2, 1.3, 1.4

2/18 - 6/11/21

Chilled Water

(Hutchison at Learning Center)

2/1 - 5/9/21

California Ave.
(at California Hall)
segment 6.5

12/21 - 3/5/21

Silo

segment 2.4

12/10 - 1/11/21

Tercero Hall Dr.
(at Currant Hall)
segment 1.1 (See detour.)

12/7 - 4/16/21

Plant & Environmental Sciences and Hunt Hall

segments: 5.7, 5.8

11/13 - 3/19/21

Young Hall
(along East Quad)
segment: 4.15

11/10 - 3/19/21

Hickey Gym
segment: 5.2

10/5 - 10/30/20

California Ave
(near Asmundson Hall)
segment: 6.1-2

9/16 - 12/10/20

Veihmeyer Hall
segment: 5.9

9/15 - 10/30/20

Young Hall
(Courtyard)
segments: 4.16, 4.17

8/31 - 11/31/20

East Quad
(at Memorial Union)
segments: 4.14-1, 4.14-2

6/4 - 12/18/21

North Quad
(west of West Quad)
segments: 5.6-1, 5.6-2

5/26 - 10/28/20

North Quad
(east of West Quad)
segments: 5.1, 5.3, 5.4

5/26 - 9/2/20

        

*Timeframe excludes final surface restoration.