STATE OF CALIFORNIA
PUBLIC UTILITIES COMMISSION

Southern California Edison's
Tehachapi Renewable Transmission Project

(Application A.07-06-031, filed June 29, 2007)

   
 

   
Notices to Proceed and Permanent Project Changes

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NTP #/
Permit
Date Requested
Date Issued
Segment
Description

WORK PACKAGE 1 - SEGMENTS 4, 5, AND 10

Segment 4

1/13/10
2/11/10
4

Yard 28

7/28/10
8/20/10
4

Work Package 1 Contractor Yards

8/25/10
9/03/10
4

Partial Segment 4 Transmission Line work associated with LADWP outage

8/30/10
9/13/10
4

Segment 4 Transmission Line

11/15/12
11/20/12
4

Installation of a transition pole outside of Whirlwind Substation

10/29/10
11/12/10
4

Avenue F Contractor Yard

5/16/11
6/07/11
4

Modifications for the Midway-Vincent #3 Transmission Line

Segment 5

1/13/10
2/11/10
5

Yard 28

7/28/10
8/20/10
5

Work Package 1 Contractor Yards

8/13/10
9/10/10
5

Segment 5 Transmission Line

3/08/11
3/14/11
5

Modification of FOC alignment

6/16/11
6/21/11
5

Additional disturbance areas for grading limits in 5 locations

6/16/11
6/24/11
5

Temporary additional workspace near Tower 20

10/18/11
10/25/11
5

Relocate CT 68 and associated extra work space

3/23/12
3/30/12
5

Additional disturbance areas for drainage drain installation

3/14/12
4/2012
5

Sagebrush Interset Towers

3/14/12
4/18/12
5

Installation of two H-frame structures within the Sagebrush alignment to allow for clearance of TRTP conductor

7/27/12
8/13/12
5

Installation of guard rails at Tower 19

9/17/12
9/17/12
5

Fencing for retaining wall at Tower 42

12/19/12
12/20/12
5

Stormwater Drains Towers 19 and 35

6/25/14
7/17/14
5

Additional MacCarthy drain installation at four locations

10/29/10
11/12/10
5

Avenue F Contractor Yard

5/16/11
6/07/11
5

Modifications to the Midway-Vincent #3 Transmission Line

Segment 10

1/13/10
2/11/10
10

Yard 28

7/28/10
8/20/10
10

Work Package 1 Contractor Yards

10/29/10
11/12/10
10

Avenue F Contractor Yard

10/08/10
11/30/10
10

Segment 10 Telecom

4/19/11
5/06/11
10

Changes to Segment 10 Telecom route.

6/17/11
6/24/11
10

Additional trenching and vault placement along Oak Creek Road for Segment 10 Telecom

1/03/11
3/08/11
10

Segment 10 Transmission Line

10/13/11
10/21/11
10

Relocation of Tower 39, in line shift

11/01/11
11/10/11
10

Additional guard pole and turning radii locations

11/14/11
11/21/11
10

Modify road near CT 25

Segment 9 - Substations

1/28/10
3/10/10
9

Vincent Substation Expansion

9/18/14
10/07/14
9

Vincent Substation upgrades associated with 500 kV Underground.

4/09/10
4/19/10
9

Changes to Substation components

9/24/10
10/2010
9

Vincent Substation Control Building

11/22/10
12/14/10
9

Section of road widening and riprap extension for the Vincent Substation expansion

6/22/10
1/14/11
9

Whirlwind Substation

12/10/10
1/2011
9

Whirlwind Substation Modifications

3/01/11
3/17/11
9

Bridge construction to access Whirlwind Substation

WORK PACKAGE 3 - SEGMENTS 7 & 8

Segment 7

3/09/10
4/01/10
7

Rancho Vista Yard

1/27/10
4/26/10
7

Segment 7 and 8 Cell Sites

1/27/10
4/30/10
7

Segment 7 Telecom

3/29/10
5/12/10
7

Mesa Materials Storage Yard

7/21/10
7/29/10
7

Segment 7 Contractor Yards

8/10/10
9/24/10
7

Segment 7 Transmission Line

1/13/11
2/25/11
7

Segment 7

7/06/11
7/19/11
7

Access road additions and modifications, grading limit modifications, and OPGW splice sites

7/15/11
7/19/11
7

Removal of existing overhead ground wire and skywrap and replacement with fiber optic ground wire

2/24/12
3/01/12
7

Extra work space at M32-T4

3/12/13
3/20/13
7

Recreational trail reroute at Towers M39-T4 and M39-T5

7/08/13
8/07/13
7

Expansion of grading area to construct access road to Tower M27-T3 in Duarte

9/10/13
9/25/13
7

Access roads to three locations in Segment 7

12/18/13
1/17/14
7

Changes to permanent grading impacts at M27-T2

6/06/14
6/20/14
7

Erosion repairs on access road to Tower M27-T3

1/17/15
1/30/15
7

U.S. Army Corps of Engineers "give back" areas

9/01/15
10/14/15
7

Erosion repairs associated with Structures M27-T3 and M41-T5, and permanent grading near Structure M40-T4

10/24/17
10/31/17
7
Erosion repairs associated with Structure M27-T3
10/13/10
10/15/10
7

Potrero Grande Contractor Yard

Segment 8

3/09/10
4/01/10
8

Rancho Vista Yard

1/27/10
4/26/10
8

Segment 7 and 8 Cell Sites

3/29/10
5/12/10
8

Mesa Materials Storage Yard

5/12/10
5/28/10
8

Segment 8 Telecommunications

8/20/10
8/20/10
8

Minor re-routes to Segment 8 Telecom

4/27/10
6/04/10
8

Segment 8 Contractor Yards

5/08/10
8/12/10
8

Segment 8 Transmission Line, Chino Hills Phase I

9/07/11
9/12/11
8

Increased grading limits for access road to Towers M57-T1 and M24-T1A

1/03/12
1/05/12
8

Relocation of a distribution pole and use of associated disturbance areas

12/19/11
1/17/12
8

Structure additions or modifications, and associated work areas/access

5/28/13
6/18/13
8

Modification of access road from Everest Drive to M59-T2

10/21/14
10/28/14
8

Permanent grading changes to access road to Tower M59-T3

7/19/10
8/24/10
8

Segment 8 Transmission Line, Phase 2 and 3

8/30/11
9/2011
8

Replacement of TSPs with LSTs on Segment 8, Phase 3

6/22/12
7/23/12
8

Addition of Towers M0-T9A and M66-J8, Segment 8 Phase 3

1/31/13
4/30/13
8

Access road and structure shifts

2/20/15
4/10/15
8

66 kV, Distribution, Telecommunications Line Relocation and Lowering in the City of Ontario

9/23/16
10/04/16
8
Schaefer Avenue 68 kV and distribution lines relocation
11/10/10
1/13/11
8

Segment 8 West, Phase 4 Transmission Line

6/15/11
6/20/11
8

Access road to M3-T3A and M48-T1

11/14/11
11/17/11
8

Lower 66 kV line at I-605 shoofly

11/30/11
12/15/11
8

Shift in M52-T2 structure location and associated extra work space and access roads

3/20/12
4/16/12 (5.5MB)
8

Access road and structure additions and modifications

4/03/12
4/24/12
8

Access roads on Rose Hills and Sanitation District roads

5/22/12
6/05/12
8

Curve widening along access roads between M49-T2 and M51-T5

11/28/12
12/06/12
8

Permanent access road leading to M49-T2

3/05/13
5/07/13
8

M43-T3/M8-T1A access road

2/11/13
6/05/13
8

Turn-out expansions on Phase 4

5/16/13
6/11/13
8

Access road at M44-T3/M7-T2B

4/15/14
5/14/14
8

Changes to grading and contractor work limits at M43-T3

9/01/15
10/07/15
8

Erosion repair and permanent grading

10/02/15
10/28/15
8

USACE give back areas

12/24/15
1/22/16
8

Erosion repair at M43-T3

7/21/17
8/11/17
8
Erosion repair at M49-T1
11/19/10
1/13/11
8

Fullerton Contractor Yard

7/25/12
7/30/12
8

Geotechnical investigations in Chino Hills for Chino Hills Underground

07/29/13
08/22/13
8/23/13
(revised)
8

Removal of towers and foundations from Chino Hills Underground alignment.

4/15/14
5/30/14
8

Chino Hills Underground - Vegetation clearing and temporary fence installation

6/02/14
9/19/14 (Revision 2) (5.0MB)
8

Chino Hills Underground - Conduit installation. (Additional maps provided 10/25/14 for vault engineering changes.)

9/18/14
10/07/14
8

Vincent Substation equipment upgrades for Chino Hills 500 kV Underground

5/08/15
5/20/15
8

Mira Loma Substation equipment upgrades for Chino Hills 500 kV Underground

5/20/15
6/02/15
8

New underground telecom duct bank for Chino Hills 500 kV Underground

5/26/17
8/30/16
8
Vault cluster fencing
4/07/17
4/18/17
8
ROW Fencing
11/17/14
2/10/15 (Revision 1)
8

Eastern and Western Transition Station construction in Chino Hills

3/05/15
3/25/15
8
Telecom and distribution connections to Transition Stations
4/14/16
7/28/16
8
Barrier Screen at ETS
10/31/18
11/20/18
8

Installation of final componenet of the Mira Loma-Vincent 500 kV fault locating system at the East and West Transition Stations and extension of the north barrier screen at the East Transition Station

Segments 7 & 8 66 kV

4/08/10
8/03/10
7/8 66 kV

Segments 7/8 66 kV re-route and relocation

12/21/10
January 2011
7/8 66 kV
Distribution line realignment and addition of four distribution poles
1/28/11
2/04/11
7/8 66 kV

Replace 14 existing wooden H-frames poles with steel H-frame poles in order to support the double 66 kV circuit

3/15/11
3/22/11
7/8 66 kV

Removal and replacement of 21 wood poles with lightweight steel poles within Rio Hondo Substation

4/22/11
4/29/11
7/8 66 kV

Underground telecom

4/22/11
5/03/11
7/8 66 kV

Chino pole removals

5/23/11
6/02/11
7/8 66 kV

Realignment of approximately 500 feet of 66 kV underground transmission line

7/20/11
7/25/11
7/8 66 kV

Dusty underground connection

8/26/11
9/01/11
7/8 66 kV

New Fiber Optic Underground trench

8/29/11
9/08/11
7/8 66 kV

Insulator replacement in Montebello Hills

09/28/11
10/21/11
7/8 66 kV

Additional work areas and poles

10/31/11
11/04/11
7/8 66 kV

Additional underground trenching near Edison Avenue

11/02/11
11/09/11
7/8 66 kV

Pole removal along Siphon Road

12/13/11
12/22/11
7/8 66 kV

San Gabriel Dip extra work space and vault shift

1/31/12
3/01/12
7/8 66 kV

Removal and instal­lation activities at Pole No. 1431134E

8/06/12
8/13/12
7/8 66 kV

Structure instal­lation, various reframing, instal­lation of ground and guy wire, and shift activities.

12/09/13
12/18/13
7/8 66 kV

Additional duct bank installation and work areas for telecom relocation in Chino.

11/18/14
12/04/14
7/8 66 kV

New underground duct bank and rerouting of telecom line in Chino.

WORK PACKAGE 2 - SEGMENTS 6 & 11

Segment 6

11/18/10
12/09/10
6

Vincent North Material Yard

6/10/11
6/24/11
6 (& 11)

Telephone and IT installation at Vincent North Material Yard

4/06/15
7/07/15
6 (& 11)

Retain improvements within Yard.

11/18/10
12/09/10
6

Vincent South Material Yard

12/22/10
01/11/11
6

Material Yard 75

4/22/11
5/06/11
6

Construction Yard 58

5/06/11
5/13/11
6

San Gabriel Yard

9/12/11
11/09/11
6A

Construction of Towers 1-35 on private (non-ANF) lands

1/18/12
2/08/12
6A

Additional work areas outside of ANF lands

8/28/12
9/11/12
6A

Rev 4 engineering changes, non-ANF lands

2/21/13
3/29/13
6A

Gate replacement/installation

5/05/14
5/14/14
6A

Gate replacement/installation

2/09/18
2/15/18
6A
Erosion repairs associated with Tower M29-T3
7/25/18
Verbal Approval 7/25/18
6A
Erosion repairs associated with Tower M29-T3
12/02/11
1/13/12
6B

Construction of Towers 35-72 on private (non-ANF) lands

1/26/12
5/16/12
6C

Construction of Towers 72-113 on private (non-ANF) lands

7/15/13
8/05/13
6C

Modifications to grading area near Tower 113 (non-ANF lands)

4/08/14
4/11/14
6C

McCarthy drain near Const 113

7/30/14
8/12/14
6C

Additional McCarthy drain installation near Const 113

Segment 11

11/18/10
12/09/10
11

Vincent North Material Yard

6/10/11
6/24/11
11

Telephone and IT installation at Vincent North Material Yard

4/06/15
7/07/15
11

Retain improvements within Yard

11/18/10
12/09/10
11

Vincent South Material Yard

12/22/10
1/11/11
11

Material Yard 75

4/22/11
5/06/11
11

Construction Yard 58

5/06/11
5/13/11
11

San Gabriel Yard

6/24/11
6/30/11
11A

Segment 11A Transmission Line Goodrich to Mesa (off ANF)

1/24/12
2/13/12
11D

Gould and Goodrich Substations

7/20/12
revised
1/09/13
4/25/13
11B

Construction of Segment 11B, Gould to Goodrich (off ANF). Pending FAA concurrence.

8/14/13
10/10/13
11C

Construction of Segment 11C between Vincent and Gould Substations.

1/07/14
3/21/14
11C

Engineering Changes at M0-T1, CT 2 and 5.

WORK PACKAGE 4 - SEGMENT 9 SUBSTATIONS

6/22/10
1/14/11
9

Whirlwind Substation

-----
6/01/13 (7.7MB)
8

Chino Hills 500 kV Underground Transmission Line

MISCELLANEOUS

Yards (NTPs 1, 6, 9, 12, 18, 19, 23, & 29)
Final Engineering 1
07/17/15
12/15/15
All
Retain improvements at ten TRTP material and contractor yards (Rodeo North, Racetrack, Avenue F, Yard 28, Yard 75 South, San Gabriel, Huntington Drive, Potrero Grande, Strawberry Field, and Mesa). The request does not include yards being used for 500 kV underground work.
7&8
7/25/16
6/21/18
Exclusion of sites from restoration and off-site compensation

ANF PERMITTING - SEGMENTS 1, 6, AND 11

 
11/29/07
12/14/07
1

Radio Repeater - installation of a temporary radio repeater site on Sierra Pelona Ridge to provide communication during construction activities tied to the project. Improvement installation began Jan. 11

 
09/27/07
12/14/07
1

Geotechnical testing - 23 geotechnical borings are authorized on National Forest lands to provide additional information that will be used in the design of the transmission towers. Notice to proceed was signed Jan 31 to begin work the week of Feb. 3

 
 
07/14/08
1

Removal of the 66 kV conductor within the ANF, from Tower 7-3 (near southern Forest boundary) to 16-3 (near Bouquet Reservoir) Phase I

 
 
09/23/08
1

Removal of the 66 kV conductor within the ANF, Phase II

 
 
10/23/08
1

Construction of the 500 kV transmission line and wreck-out of the 66 kV towers in the ANF, Section 2

SUP
 
09/21/11
6 and 11

Electric Transmission Line Permit, Segments 6 and 11

NTP
 
11/07/11
6A

Authorization to start construction of Towers CT1-CT35

NTP
 
01/11/12
6B

Authorization to start construction of Towers CT35-CT72

NTP
 
05/14/12
6C

Authorization to start construction of Towers CT73-CT113.

NTP
 
04/23/13
11B

Authorization to start construction of Segment 11B.

   

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