Key Takeaway
Ridgecrest Rock Plant is a active surface mine producing SandAndGravel, located in InyoKern, Kern County, CA. It has 66 violations on record (12 S&S) and $10K in proposed penalties. Operated by Robertson's Ready Mix Ltd.
Ridgecrest Rock Plant
Operator: Robertson's Ready Mix Ltd
Controller: RRM Development Corporation; Mitsubishi Corp
Location: InyoKern, Kern County, CA
Employees: 2
Recent Violations
View all 66 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 01/28/2025 | 56.14100(b) | Non-S&S | LowNegligence | $151 |
| 08/06/2024 | 56.14132 | S&S | ModNegligence | $535 |
| 08/06/2024 | 56.14207 | Non-S&S | HighNegligence | $357 |
| 08/06/2024 | 56.14132(b)(1)(iv) | Non-S&S | ModNegligence | $147 |
| 08/06/2024 | 47.44(b) | Non-S&S | ModNegligence | $147 |
| 08/06/2024 | 56.15001 | Non-S&S | HighNegligence | $147 |
| 08/06/2024 | 56.18002(b) | Non-S&S | HighNegligence | $147 |
| 08/06/2024 | 56.14107(a) | Non-S&S | HighNegligence | $161 |
| 08/06/2024 | 46.3(a) | Non-S&S | HighNegligence | $147 |
| 10/06/2009 | 56.4101 | Non-S&S | ModNegligence | $100 |
| 10/06/2009 | 56.4201(a)(2) | Non-S&S | ModNegligence | $100 |
| 10/06/2009 | 56.4201(a)(2) | Non-S&S | ModNegligence | $100 |
| 10/06/2009 | 56.12028 | Non-S&S | HighNegligence | $117 |
| 06/05/2008 | 56.20003(a) | S&S | ModNegligence | $117 |
| 01/19/2006 | 56.20003(a) | Non-S&S | LowNegligence | $203 |
| 06/15/2005 | 56.11002 | Non-S&S | ModNegligence | $286 |
| 06/14/2005 | 46.3(a) | Non-S&S | ModNegligence | $191 |
| 06/14/2005 | 56.11002 | Non-S&S | ModNegligence | $614 |
| 06/14/2005 | 56.14107(a) | Non-S&S | ModNegligence | $375 |
| 06/14/2005 | 56.14107(a) | Non-S&S | ModNegligence | $375 |
Accidents & Injuries
View all 3 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 04/13/2004 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 8d lost |
| 04/18/2002 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 71d lost |
| 08/07/2000 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 30d lost |
Inspections
View all 23 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 08/04/2025 | 08/05/2025 | 18.50 | 1 |
| 02/11/2025 | 02/12/2025 | 10.00 | 1 |
| 01/27/2025 | 01/28/2025 | 18.50 | 1 |
| 08/21/2024 | 08/21/2024 | 1.50 | 1 |
| 08/05/2024 | 08/06/2024 | 10.25 | 1 |
| 10/06/2009 | 10/06/2009 | 16.75 | 1 |
| 01/21/2009 | 01/21/2009 | 3.00 | 1 |
| 06/05/2008 | 06/05/2008 | 13.75 | 1 |
| 10/12/2006 | 10/12/2006 | 16.00 | 1 |
| 01/19/2006 | 01/20/2006 | 16.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Ridgecrest Rock Plant have?
Ridgecrest Rock Plant has 66 MSHA violations on record, of which 12 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $10K.
What type of mine is Ridgecrest Rock Plant?
Ridgecrest Rock Plant is a Surface mine producing SandAndGravel, located in InyoKern, Kern County, CA. It currently has 2 employees.
Has anyone been injured or killed at Ridgecrest Rock Plant?
According to MSHA records, Ridgecrest Rock Plant has 3 reported accident/injury records and 0 fatalities on file.
Who operates Ridgecrest Rock Plant?
Ridgecrest Rock Plant is operated by Robertson's Ready Mix Ltd and controlled by RRM Development Corporation; Mitsubishi Corp. MSHA Mine ID: 0404163.