Mining Incidents

Conrock North Pit Metal/Non-Metal

Controlled by Granite Construction Inc
Palmer, Matanuska-Susitna County, AK  ·  Intermittent
MSHA Mine ID: 5001282

Conrock North Pit has $9K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
1
Total incidents
37
Years on record
1983–2019
Latest incident
Sep 2019
Compliance record
MSHA citations since 2001
77
citations
18
significant & substantial
$8,910
proposed penalties
$8,910
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
36
inspections on record
550
inspection hours
n/a
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 550 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Conrock North Pit has $9K in proposed MSHA penalties and $0 outstanding across 1 contested dockets.

Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$9K
proposed penalties
$9K
current assessed
$9K
paid to date
$0
outstanding
74 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2017-10-03.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 1,905 0 0 0.0
2025 Q3 6,206 0 0 0.0
2025 Q2 7,224 0 0 0.0
2025 Q1 0 0 0
2024 Q4 1,891 0 0 0.0
2024 Q3 5,860 0 0 0.0
2024 Q2 2,932 0 0 0.0
2024 Q1 0 0 0
Show 88 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 1,138 0 0 0.0
2023 Q3 4,089 0 0 0.0
2023 Q2 2,962 0 0 0.0
2023 Q1 0 0 0
2022 Q4 1,244 0 0 0.0
2022 Q3 2,769 0 0 0.0
2022 Q2 3,237 0 0 0.0
2022 Q1 0 0 0
2021 Q4 1,181 0 0 0.0
2021 Q3 4,378 0 0 0.0
2021 Q2 2,421 0 0 0.0
2021 Q1 0 0 0
2020 Q4 954 0 0 0.0
2020 Q3 3,024 0 0 0.0
2020 Q2 3,174 0 0 0.0
2020 Q1 158 0 0 0.0
2019 Q4 2,334 0 0 0.0
2019 Q3 3,002 0 0 0.0
2019 Q2 1,801 0 0 0.0
2019 Q1 0 0 0
2018 Q4 1,046 0 0 0.0
2018 Q3 3,640 0 0 0.0
2018 Q2 2,945 0 0 0.0
2018 Q1 65 0 0 0.0
2017 Q4 698 3 0 4298.0
2017 Q3 3,750 0 0 0.0
2017 Q2 3,167 0 0 0.0
2017 Q1 54 0 0 0.0
2016 Q4 1,352 0 0 0.0
2016 Q3 3,834 1 0 260.8
2016 Q2 4,080 0 0 0.0
2016 Q1 448 0 0 0.0
2015 Q4 1,886 0 0 0.0
2015 Q3 4,735 2 0 422.4
2015 Q2 3,327 0 0 0.0
2015 Q1 0 0 0
2014 Q4 1,875 0 0 0.0
2014 Q3 4,552 0 0 0.0
2014 Q2 4,131 0 0 0.0
2014 Q1 130 0 0 0.0
2013 Q4 1,389 0 0 0.0
2013 Q3 3,573 0 0 0.0
2013 Q2 3,201 0 0 0.0
2013 Q1 627 0 0 0.0
2012 Q4 491 0 0 0.0
2012 Q3 2,749 1 1 363.8
2012 Q2 4,437 0 0 0.0
2010 Q1 260 0 0 0.0
2009 Q4 240 0 0 0.0
2009 Q3 3,296 0 0 0.0
2009 Q2 5,917 0 0 0.0
2009 Q1 1,240 0 0 0.0
2008 Q4 2,362 3 1 1270.1
2008 Q3 14,764 9 3 609.6
2008 Q2 13,547 0 0 0.0
2008 Q1 3,520 0 0 0.0
2007 Q4 4,660 14 5 3004.3
2007 Q3 11,523 7 3 607.5
2007 Q2 8,931 0 0 0.0
2007 Q1 320 0 0 0.0
2006 Q4 3,580 0 0 0.0
2006 Q3 16,720 0 0 0.0
2006 Q2 16,120 7 3 434.2
2006 Q1 1,797 0 0 0.0
2005 Q4 4,030 0 0 0.0
2005 Q3 15,600 0 0 0.0
2005 Q2 14,613 7 0 479.0
2005 Q1 366 0 0 0.0
2004 Q4 3,117 2 0 641.6
2004 Q3 18,437 0 0 0.0
2004 Q2 12,957 4 0 308.7
2004 Q1 1,278 0 0 0.0
2003 Q4 5,663 0 0 0.0
2003 Q3 25,889 0 0 0.0
2003 Q2 22,730 6 0 264.0
2003 Q1 2,988 0 0 0.0
2002 Q4 4,763 10 2 2099.5
2002 Q3 20,895 0 0 0.0
2002 Q2 13,600 0 0 0.0
2002 Q1 1,868 0 0 0.0
2001 Q4 5,984 0 0 0.0
2001 Q3 18,420 0 0 0.0
2001 Q2 16,318 1 0 61.3
2001 Q1 2,047 0 0 0.0
2000 Q4 3,678 0 0 0.0
2000 Q3 17,451 0 0 0.0
2000 Q2 16,048 0 0 0.0
2000 Q1 976 0 0 0.0

Fatalities at this mine

1 recorded
September 20, 2007 AK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman Fatality · POWERED HAULAGE
Wilder Construction Company · Caught in, under or between running or meshing objects

A fatal accident occurred when a miner became entangled in a take up pulley on the #13 conveyor belt. A guard was in place at the time of the accident.

Reportable incidents

36 on file (excluding fatalities above)

2019 · 1 incident

September 9, 2019 AK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Granite Construction Company · Caught in, under or between a moving and a stationary object

Employee was attempting to remove a v-belt from a sheave on the main drive of a wet screen. Another emloyee was assisting to remove tension on the belt by raising the drive end of the belt pulley while the injured employee attempted to lift the belt off the sheave. While grasping the belt near the motor end the belt moved back over the sheave & pinched injured employee's finger.

2013 · 1 incident

May 23, 2013 AK · Metal/Non-Metal ledgeman/hand, quarry man SLIP OR FALL OF PERSON
Granite Construction Company · Fall from ladders

Miner was climbing a six foot step ladder. Upon reaching the third rung of the ladder his foot slipped off the rung and he fell to the ground. The ladder was on a concrete pad at a wash plant and soles of boots were wet.

2007 · 1 incident

August 15, 2007 AK · Metal/Non-Metal superintendent SLIP OR FALL OF PERSON
Wilder Construction Company · Over-exertion (Not Elsewhere Classified)

Miner was climbing on and off a crane during shift. He does not recall a specific injury event but experienced pain in his left knee at shift end. He was initially evaluated and diagnosed with a possible cartilage tear in the knee. He continued to work at normal duties until October 24, 2007 when he had arthroscopic surgery to repair the torn cartilage.

2006 · 3 incidents

October 2, 2006 AK · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand SLIP OR FALL OF PERSON
Wilder Construction Company · Over-exertion (Not Elsewhere Classified)

Miner was positioning a tie-down chain on a floating conveyor. While using his foot to hold the chain in position on the deck as he wrapped the chain around a cleat, the chain slipped under his foot causing him to twist and strain his back.

August 17, 2006 AK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Wilder Construction Company · Over-exertion (Not Elsewhere Classified)

Miner walking along beltline when foot got stuck in mud. While pulling foot loose he strained knee. Continued to work at full capacity until 9/18/06 when he was placed on restricted work activity by his doctor. Area had experienced several days of heavy rain prior to date of injury.

July 7, 2006 AK · Metal/Non-Metal outside foreman, leadman SLIP OR FALL OF PERSON
Wilder Construction Company · Fall to the walkway or working surface

Miner was attempting to free a stuck conveyor using a 36 inch aluminum pipe wrench and a 5 foot cheater bar. While pulling down on the wrench/bar with his hands above his head, the wrench handle broke. Miner fell and landed on his tailbone. Wrench had previously been bent.

2004 · 4 incidents

October 1, 2004 AK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Wilder Construction Company · Fall onto or against objects

1) The employee was standing with one foot on the framework of a conveyor and the other on a ledge of a tunnel. 2) The employee was elevated off the ground. 3) The conveyor was running while performing maintenance. 4) He suffered an almost severed pinky finger, lasceration on the palm, belt abrasions and swelling on shoulder and elbow.

July 9, 2004 AK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Wilder Construction Company · Over-exertion in lifting objects

Repetitive motion of lifting buckets of aggregate into back of a pickup.

May 17, 2004 AK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Wilder Construction Company · Caught in, under or between (Not Elsewhere Classified)

helping to unload a 6x20 screen, when removing chain binder one may have put wrist in the binder.

April 21, 2004 AK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Wilder Construction Company · Over-exertion (Not Elsewhere Classified)

EE WAS REMOVING TEMPORARY SAFETY HAND RAILS & PLYWOOD COVERS ON GRIZZLY BARS ON DREDGE. WHILE REMOVING THE LAST OF THE PLYWOOD, HIS FOOT SLIPPED THRU THE BARS. HE USED HIS RIGHT HAND TO CATCH HIMSELF.

2003 · 3 incidents

September 9, 2003 AK · Metal/Non-Metal

OPERATOR WAS GETTING DOWN FROM CAB. WHEN SHE WAS GOING DOWN LADDER HER RIGHT BOOT HUNG IN THE SECOND CLEET OF THE LADDER AND DID NOT GET HER LEFT LEG IN THE THIRD RUNG. THIS CAUSED HER TO LAND ON HER LEFT FOOT WHICH TWISTED HER KNEE.

April 8, 2003 AK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Wilder Construction Company · Over-exertion in pulling or pushing objects

EE WAS TRYING TO GET HEAD ROLL BACK INTO POSITION BY PUSHING AND PULLING WHICH RESULTED IN A BACK STRAIN.

2002 · 2 incidents

August 5, 2002 AK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman DISORDERS (REPEATED TRAUMA)
Wilder Construction Company · Over-exertion (Not Elsewhere Classified)

EE COMPLAINED ABOUT TINGLING IN HIS FINGERS OF HIS R HAND DR SAID IT WAS WRIST STRAIN. WAS GIVEN A BRACE. NO WORK RESTRICTION MUSCLE RELAXER WAS PREISCRIBED.

July 19, 2002 AK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Wilder Construction Company · Caught in, under or between a moving and a stationary object

EE WAS PRYING CHUNK OF ASPHALT FROM A FEEDER OPENING. THE PRY BAR SLIPPED CAUSING IT TO COME AGAINST OTHER METAL WITH HIS SMALL FINGER IN BETWEEN. TIP OF THE FINGER WAS INJURED INCLUDING SOME TISSUE & BONE DAMAGE.

2001 · 1 incident

May 12, 2001 AK · Metal/Non-Metal mine manager, mine foreman, mine owner SLIP OR FALL OF PERSON
Wilder Construction Company · Fall onto or against objects

EE WAS WORKING ON OVERHEAD CONVEYOR ON A LADDER. HE HAD BEEN USING AN OXYGEN/ACETYLINE HOSE. FOOT GOT ENTANGLED IN HOSE WHEN CLIMBING DOWN FROM LADDER CAUSING HIM TO FALL BACKWARDS APPROXIMATE LY 5' INTO CORNER OF METAL FRAMEWORK.

2000 · 2 incidents

May 8, 2000 AK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Wilder Construction Company · Caught in, under or between (Not Elsewhere Classified)

UNLOADING CONVEYOR ROLLER FRAMES RIGHT HAND GLOVE WAS CAUGHT TWISTING RIGHT INDEX FINGER CAUSING A SPRAIN TO RIGHT INDEX FINGER.

March 24, 2000 AK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Wilder Construction Company · Struck by flying object

EE WAS DOGGING METAL DOWN INTO BACKHOE BUCKET WHEN STEEL DOG BROKE LOOSE & STEEL WEDGE STRUCK H IM IN THE RIGHT CHEEK AREA OF HIS FACE REQUIRING 3 STITCHES.

1999 · 3 incidents

August 31, 1999 AK · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Wilder Construction Company · Struck against a moving object

TOO MUCH JARRING ACTION OPERATING LOADER CAUSED LOWER BACK PAIN.

June 8, 1999 AK · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
Wilder Construction Company · Fall onto or against objects

JUMPED OFF CONTROL BOOTH CHAIR AND LANDED ON A PIECE OF CONDUIT USED FOR TURNING OFF SWITCHES.

May 15, 1999 AK · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDLING OF MATERIALS
Wilder Construction Company · Over-exertion in lifting objects

LIFTING A PLANK BY HIMSELF WHICH WAS BIG ENOUGH TO REQUIRE HELP. DID NOT GO TO DOCTOR FOR SEVERAL WEEKS, WHEN IT BECAME MORE AGGRAVATED.

1998 · 4 incidents

November 9, 1998 AK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Wilder Construction Company · Over-exertion (Not Elsewhere Classified)

EE WAS STEPPING UP ONTO TRACK OF BACKHOE ON TAKE OFF FROM GROUND, HE FELT A POP IN THE BACK OF HIS RIGHT LEG, CAUSING IMMEDIATE PAIN AND SORENESS IN HIS RIGHT CALF.

July 11, 1998 AK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Wilder Construction Company · Caught in, under or between (Not Elsewhere Classified)

WORKER WAS CLEANING ROLLER ON A 48" CONVEYOR WITH A SHOVEL WHILE IT WAS RUNNING AND TOOL WAS SUCKED INTO BELT PINCHING FINGER AGAINST FRAME, CUTTING OFF THE END OF THE LEFT MIDDLE FINGER.

June 26, 1998 AK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Wilder Construction Company · Fall onto or against objects

WORKER WAS REPAIRING CONVEYOR THAT HAD BEEN LOWERED TO GROUND LEVEL. WHILE STANDING ON CONVEYOR WORKER LOST FOOTING AND FELL, LANDING ON CONTROL HANDLE CRACKING RIBS.

April 9, 1998 AK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Wilder Construction Company · Struck by falling object

A PIECE OF STEEL STANDING ON A FRAME FOR CONVEYOR LEG, REACHED FOR WELDING LEAD IT FELL OVER STRIKING EES HAND INJURING HIS THUMB.

1997 · 1 incident

August 28, 1997 AK · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Wilder Construction Company · Over-exertion (Not Elsewhere Classified)

OPERATOR'S SEAT MOVING OR SHIFTING WITH ACTION OF DOZER CAUSING OPERATORS BACK TO FATIGUE OR TIGHTEN UP.

1995 · 3 incidents

October 10, 1995 AK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Wilder Construction Company · Over-exertion (Not Elsewhere Classified)

EMP WAS CUTTING BELTING, WHEN KNIFE SLIPPED AND LACERATED HIS LEFT THIGH.

June 29, 1995 AK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Wilder Construction Company · Flash burns (welding)

EMPLOYEE WAS WELDING ON ROLLS WITH WIRE FEED WHEN EMPLOYEE RECEIVED FLASH BURN TO EYES

May 22, 1995 AK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Wilder Construction Company · Fall from machine

EMPLOYEE WAS INSTALLING GEAR BOX ON CONVEYOR, WHEN HE LOST HIS FOOTING AND FELL LANDING ON HIS ELBOW.

1991 · 1 incident

June 3, 1991 AK · Metal/Non-Metal backhoe operator, trackhoe operator OTHER
Wilder Construction Company · Struck by flying object

WORKER REMOVED GOGGLES TO ANSWER PHONE WIND BLEW SAND IN WORKER'S EYE. SAND WAS REMOVED AT MEDICAL CENTER.

1990 · 2 incidents

August 7, 1990 AK · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger MACHINERY
Wilder Construction Company · Struck by... (Not Elsewhere Classified)

WORKER WAS HIT ON TOP OF HEAD BY SLIDING WINDOW ON P/H CRANE.

1984 · 1 incident

July 31, 1984 AK · Metal/Non-Metal outside foreman, leadman DISORDERS (REPEATED TRAUMA)
Central Paving Products · Unclassified, insufficient data

WORKER HAS SUSTAINED A HEARING LOSS, DUE TO FREQUENT EXPOSURE TO NOISE.

1983 · 3 incidents

October 24, 1983 AK · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Central Paving Products · Fall from machine

THE CONVEYOR BELTING AS SPINNING OUT DUE TO ICY CONDITIONS, MR.BLATCHFORD WAS ATTEMPTING TO SAND CONVEYOR, AS HE STEPPED FROM HIS LOADER ONTO THE CONVEYOR BELTING HE LOST HIS FOOTING ON THE BE LT AND FELL ONTO THE CONVEYOR, SUSTAINING A LOWER BACK INJURY. HE HAS A PINCHED NERVE DUE TO A MISALIGNED VERTEBRA.

May 26, 1983 AK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Central Paving Products · Caught in, under or between (Not Elsewhere Classified)

WORKER WAS ATTEMPTING TO CLEAN BETWEEN ROLLERS ON CONVEYOR WHEN HAMMER GOT CAUGHT BETWEEN BELT & ROLLER PULLING WORKER HAND BETWEEN ALSO RESULTING IN LOSS OF MIDDLE FINGER.

April 15, 1983 AK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman OTHER
Central Paving Products · Struck by... (Not Elsewhere Classified)

WATCHING FOR FROZEN CHUNKS IN BATERIAL BEING FED INTO FEEDER.WIND BLEW SOME MATERIAL OUT OF LOADER BUCKET AND PARTICLES BLEW INTO WORKERS EYE.

For insurers, brokers, and safety consultants

The full compliance file on Conrock North Pit

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.