News & Operations Blog

Change Order

Posted on Monday, April 10th, 2017

Date: Mon, Apr 10, 2017 at 12:30 PM
Subject: Nimbus Dam – Change Order

Please make the following release changes to the American River

Date               Time         From (cfs)      To (cfs)

04/11/2017       0800            8,500             9,000

04/11/2017       0900            9,000            10,000

Comment:  Storage management

Issued by:  P. Manza

Folsom Shutter Change

Posted on Monday, April 10th, 2017

Project: Folsom Dam Temperature Shutters

On Thursday, 04/13/2017, lower the bottom and middle shutters on units 1 and 2.

Folsom shutter status after changes:

Top Shutters: Units 1, 2, & 3 – raised
Middle Shutters: Units 1, 2 lowered unit 3 – raised
Bottom Shutters: Units 1, 2 lowered unit 3 – raised

Comment: Temperature shutter elevation requirement

Issued by: Peggy Manza

Change Order- Cancellation

Posted on Wednesday, April 5th, 2017

Date: Wed, Apr 5, 2017 at 11:36 AM
Subject: Nimbus Dam – Change Order

Please CANCEL the following release changes:

Date               Time         From (cfs)      To (cfs)

04/05/2017      2000            8,500             8,300

04/06/2017      2000            8,300             8,000

04/06/2017      2100            8,000             7,650

04/06/2017      2200            7,650             7,300

04/07/2017       2000            7,300             7,000

04/07/2017       2100            7,000             6,700

04/07/2017       2200            6,700             6,500

Releases will remain at 8500 cfs until further notice.

Comment:  Upcoming rain event

Issued by:  P. Manza

Change Order

Posted on Wednesday, March 29th, 2017

Date: Wed, Mar 29, 2017 at 10:12 AM
Subject: Nimbus Dam – Change Order

Please make the following release changes to the American River

Date               Time         From (cfs)      To (cfs)

03/29/2017      2000            15,000             14,000

03/29/2017      2100            14,000             13,000

 

03/30/2017       2000            13,000             12,300

03/30/2017       2100            12,300             11,600

03/30/2017       2200            11,600             11,000

 

03/31/2017      2000            11,000             10,500

03/31/2017      2100            10,500             10,000

03/31/2017      2200            10,000               9,500

 

04/01/2017      2000              9,500               9,100

04/01/2017      2100              9,100               8,700

04/01/2017      2200              8,700               8,500

Comment:  Storage management

Issued by:  P. Manza

Change Order

Posted on Friday, March 24th, 2017

Date: Fri, Mar 24, 2017 at 10:26 AM
Subject: Nimbus Dam – Change Order

Please make the following release changes to the American River

Date               Time         From (cfs)      To (cfs)

03/27/2017      0800             5,000             7,500

03/27/2017      1000             7,500           10,000

 

03/28/2017      0800            10,000           12,500

03/28/2017      1000            12,500           15,000

Comment:  Inflow management

Issued by:  P. Manza

Change Order — Correction

Posted on Monday, March 6th, 2017

Date: Mon, Mar 6, 2017 at 10:58 AM
Subject: Nimbus Dam – Change Order – CORRECTION

Please make the following release changes to the American River

Date               Time         From (cfs)      To (cfs)

03/09/2017      0100             6,400             6,150

03/09/2017      0300             6,150             5,900

03/09/2017      0500             5,900             5,650

 

03/10/2017      0100              5,650             5,400

03/10/2017      0300              5,400             5,150

03/10/2017      0500              5,150             5,000

Comment:  Inflow management, CHANGED RELEASE TIMES TO NIGHTTIME TO REDUCE STRANDING OPPORTUNITIES

Issued by:  P. Manza

Change Order

Posted on Friday, March 3rd, 2017

Date: Fri, Mar 3, 2017 at 9:43 AM
Subject: Nimbus Dam – Change Order

Please make the following release changes to the American River

Date               Time         From (cfs)      To (cfs)

03/07/2017      0800            8,000             7,650

03/07/2017      1000            7,650             7,300

 

03/08/2017       0800            7,300             7,000

03/08/2017       1000            7,000             6,700

03/08/2017       1200            6,700             6,400

 

03/09/2017      0800             6,400             6,150

03/09/2017      1000             6,150             5,900

03/09/2017      1200             5,900             5,650

 

03/10/2017      0800              5,650             5,400

03/10/2017      1000              5,400             5,150

03/10/2017      1200              5,150             5,000

 

Comment:  Inflow management

Issued by:  P. Manza

Change Order

Posted on Wednesday, March 1st, 2017

Date: Tue, Feb 28, 2017 at 4:53 PM
Subject: Nimbus Dam – Change Order

Please make the following release changes to the American River

Date               Time         From (cfs)      To (cfs)

03/01/2017      0800            20,000             18,650

03/01/2017      1000            18,650             17,300

03/01/2017      1200            17,300             16,000

 

03/02/2017      0800            16,000             15,000

03/02/2017      1000            15,000             14,000

03/02/2017      1200            14,000             13,000

 

03/03/2017       0800            13,000             12,300

03/03/2017       1000            12,300             11,600

03/03/2017       1200            11,600             11,000

 

03/04/2017      0800            11,000             10,500

03/04/2017      1000            10,500             10,000

03/04/2017      1200            10,000               9,500

 

03/05/2017      0800              9,500               9,100

03/05/2017      1000              9,100               8,700

03/05/2017      1200              8,700               8,300

 

03/06/2017       0800             8,300               8,000

Comment:  Storage management

Issued by:  P. Manza

Change Order

Posted on Tuesday, February 28th, 2017

Date: Mon, Feb 27, 2017 at 4:36 PM
Subject: Nimbus Dam – Change Order

Please make the following release changes to the American River

Date               Time         From (cfs)      To (cfs)

02/28/2017       0800        30,000             28,000

02/28/2017       1000        28,000             26,000

02/28/2017       1200        26,000             24,000

02/28/2017       1400        24,000             22,000

02/28/2017       1600        22,000             20,000

Comment:  Inflow management

Issued by:  P. Manza