Sioux Falls Quarry Metal/Non-Metal

Team members replacing return roller, shaft began to slip, team member grabbed the shaft, causing pain to the right wrist.

Employee was attempting to remove the swivel adapter from the auger head. A 36-inch pipe wrench was attached to the adapter and while attempting to rotate the auger shaft, the auger shaft unexpectedly rotated with the pipe wrench attached. The pipe wrench struck EE in the right chest and pushed EE against the back of the drill truck.

EE was washing Tower #2 back pad, EE shut the fire hose off went to change locations & started to slip, falling backwards, but caught self with left hand on a pillar causing a strain to right neck & shoulder. Injury Type: Neck Strain. EE didn't request med. treatment at the time. Was seen by a medical provider on 12/26/23 when injury became reportable due to restrictions.

EE was lifting a return roller and handing it to a co-worker when EE twisted at the waist and strained back. (Lifting a Return Roller). Update: EE resigned, was not terminated by Knife River South Dakota.

EE was removing a worn cutting-edge bolt from the loader bucket. When EE went to remove the nut, the bolt dropped and continued to spin when EE attempted to secure it by grabbing it with EE's left hand, cutting EE's left index finger.

EE was removing a worn bucket tooth on the 990H Loader. When the tooth failed to separate from the bucket adapter, EE used a sledgehammer to strike the tooth resulting a piece of shrapnel from the tooth striking EE in the chest and becoming imbedded.

EE was pulling a 1 1/2 inch fire hose to clean off piece of equipment, as EE was walking backwards, tripped in rut and fell to ground.

Employee cutting belting for back flaps for feed ends of screen. Employee had the belting on the ground cutting, while on knees the utility knife slipped from the rubber, causing small laceration to inner left side of right knee.

Employee was climbing ladder onto haul truck, hands slipped, twisted left side back.

The employee was using a water hose to wash out the material under tower 2. The employee complained of a headache and not feel well. (Heat Exhaustion)

EE shoveling material to level the ground out to install stairs and platform to allow for storage of fueling tank.

EE dismounting loader ladder, boot tread got caught in the bottom rung of step, fell to the ground, striking left knee on concrete floor. EE fell on 3/4/20, reported to clinic on 3/5/20. On 3/16/20 EE given physical therapy.

Employee was exiting loader with ladder, right foot already on group, when left foot became caught on bottom step, causing employee to lose balance and fall to ground. Employee tried to catch self and fracturing left wrist.

Employee changing oil, debris fell and landed in employee's right eye.

Window in loader was being closed, 5th fingertip slipped and was smashed between window and trim.

Employee pulling down on cable jack while in a man lift and felt a pull in right shoulder.

Employee was washing material on the back pad under Tower 2 with a fire hose. Employee lost control of the fire hose and it hit them in the upper chest, below the collarbone. (Chest wall contusion) Employee did not advise the supervisor until 4/23/2018 that they requested medical treatment.

EE was walking to haul truck when EE slipped and fell on packed snow straining Rt. knee.

Employee had completed cutting an H Beam on the band saw in the welding shop. EE picked up the cut off piece off the band saw that weighed 30 pounds and felt a pain in back.

***1st day of treatment was 8/12/16****loading a shot, struck by a rock in the back.

EE was carrying a screen in Tower 2 to position it so that it could be installed in Screen 3. When EE picked up the screen EE felt a pain in right shoulder and bicep.(This incident was discussed with EE from the Denver Co. MSHA office on June 22, 2016 and directed to file an injury report due to the PT ordered by the Physician on 6/21/2016).

Personnel was loading scrape metal onto a flatbed trailer his glove caught a piece of slag and caused the metal to pinch his finger between the metal and the wooden side boards of the trailer.

Unwiring an electric motor and utility knife slipped when cutting tape and sliced through coveralls, jeans, and long johns to make lacerate inside of left thigh. A few stitches and no lost time.

Employee was cutting tape on wires to a motor and it was snow covered, wet, and slippery and the utility knife slipped causing it to cut through his gloves and lacerate the back side of his left thumb.

Employee was doing a pre-shift inspection on Loader unit #15-415. He was inspecting the z bar links, pins and bushings on the left front of the machine. He leaned over to inspect the machine, slipped on snow that had fallen the night before. He fell and his left side (upper chest) fracturing three ribs when he contacted the lift arms on the loader.

Employee was washing the HP 400 crusher decks off with a fire hose before scheduled crusher maintenance. He tripped on a small rock and fell to the crusher deck dislocating his left shoulder.

EE was using a vise grip pliers to close the end of an s-hook from a hold down strap. The vise grip pliers slipped off of the s-hook and pinched his left middle finger.

IE was changing screens in the middle deck of #4 screen with co-worker. Co-worker was swinging a 4 lb hammer to set the screen in the screen deck. IE inadvertently put his left hand next to the area that co-worker was swinging and IE's left middle finger was struck by the hammer.

Exposure to Silica Dust / Silicosis

Employee fell and strained his right knee while running to the break room to avoid getting wet when it began to rain.

While hoisting a 3'x20.5' sheet of corrugated metal siding, the sheet was caught by a gust of wind causing the clamps to fail. The 20#sheet fell to the ground from a height of approx. 10' striking injury. in his attempt to get out of the way he fell to the ground. He suffered a bruise to his abdomen. Slight damage to the sheeting/siding.

The service vehicle was used for transportation to and from the field. The service truck was unoccupied and parked before the fire incident. At this time the cause of the vehicle fire is still under investigation but is believed to be electrical in nature.

Fire in an unoccupied structure: The fire is still under investigation, but it is believed to have been started by repairs associated with welding activities.

EE had finished washing out material from under the conveyor and was in the process of stowing the fire hose when he slipped backwards extended his L hand to caught himself and dislocating his left pinkie finger or pip joint. Note:EE was wearing his hard hat,safety glasses,high visibility garment,gloves & steel toed boots.

The employee was climbing up a ladder to access the controls panel for stacker conv.The EE pulled his groin muscle when he was climbing ladder.

EE was walking backwards while carrying screen on screening tower platform. He tripped on water line and landed on his right side on top of support beam. Employee had been working in same area and had made numerous trips.

Employee slipped and fell and dislocated his right pinkie finger.

Wind was blowing approximately 30 mph - he was changing out the south HP crusher. Dust blew in face and right eye.

Employee checks pumps on weekends. Cart tipped down into water while greasing pump. Tried to keep cart from falling into water while at the same time adding rock for weight to tongue to prevent it from falling into water.

WHILE ON THE INCLINED CATWALK BETWEEN #2 & #3 SCREENS, OPENING THE SPRAY BAR ON #3 SCREEN. AFTER OPENING 2 VALVES, STOOD UP TO MOVE TO ANOTHER SET OF VALVES. A SHARP PULL WAS FELT IN LOWER BACK.

EE WAS GRINDING ON A SCREEN/SPARKS WENT INTO FACE. EE WAS WEARING SAFETY GLASSES. DID NOT REPORT UNTIL FOLLOWING DAY. HAD IRRITATION IN THE EVENING. UNSUCCESSFULLY DID TRY TO REMOVE OBJECT-- COULD NOT-- WENT TO CLINIC.

EE HAD STOPPED HIS TRUCK TO REMOVE A ROCK FROM THE HAUL ROAD. WHILE LIFTING THE ROCK FROM THE ROAD, HE STRAINED HIS BACK. HE WENT HOME AND THE NEXT MORNING HE COULD NOT GET OUT OF BED, AN AMBULANCE WAS CALLED TO BRING HIM TO HOSPITAL.

EE WAS CLIMBING THE LADDER ON THE LONGBELT STACKER TO MOVE IT, SPRAINED LEFT KNEE.

EE WAS GOING TO HELP CHANGE DRILL ROD. WHEN HE AND ANOTHER EE WERE LOADING ROD ON FLATBED TRUCK, ROD ROLLED TOWARD EE. EE THEN PUT HIS LEFT FOOT TOWARD ROD TO KEEP IT FROM ROLLING OFF TRUCK.

EE WAS REMOVING WEAR PLATES FROM LOADER BUCKET WHEN A PIECE BROKE OFF ADAPTOR AND PENETRATED LEFT LEG.

DRIVING A PICKUP TRUCK WHEN THE ROAD GAVE WAY UNDER THE TRUCK CREATING A POTHOLE AND STOPPING THE TRUCK SUDDENLY.THE DRIVER HIT HIS ARM ON EITHER THE STEERING WHEEL OR THE DASH BOARD.

SORENECK FROM DRIVING--OLD INJURY. NOW IN THERAPY.

RUNNING AIR HAMMER ON CRUSHER THAT WAS FROZEN. REPORTED FOR WORK BUT DID NOT SEEK MEDICAL ATTENTION UNTIL LATER. IS NOW IN THERAPY.

WAS CLEANING BUILD UP FROM UNDER THE JAW WHEN A ROCK FELL AND HIT EE ON TOP OF HAND LEFT EE HAS DIABETES WHICH CAUSED COMPLICATION THUS WAS HOSPITALIZED.

EE REPORTED SORE BACK WHEN DRIVING TRUCK.

SLIPPED/LOST FOOTING CLIMBING LADDER GETTING INTO FRONT END LOADER

DRIVER WAS DISMOUNTING FROM TRUCK/TWISTED LEFT KNEE

WENT OT THROW OUT SCREEN OUT OF TOWER 2 AND TURN TO THROW OUT SCREEN AND HEARD A POP A DAY LATER GROIN SWELLED UP.

EMPLOYEE WAS CHANGING SCREEN SLIPPED OFF SIDE OF SCREEN AND FELL AGAINST HAND RAIL ON LOWER PART OF RIGHT SIDE UNDER RIBS.

EMPLOYEE WAS GREASING TRIPPER CAR BEARINGS WHEN HE GOT IN THE WAY OF WHEEL ON CART & IT RAN INTO HIM

CUTTING BELT WITH BELT KNIFE SLIPPED OFF BELT WITH KNIFE CUTTING LEFT THUMB

54730LIFTING SCREENS-STRAINED SHOULDER LEFT.

THE EMPLOYEE WAS CLEANING AROUND CONVEYOR- SLIPPED WITH SHOVEL AND HIT SIDE OF CONVEYOR.

SHOVELING MATERIAL OUT OF ISLAND AROUND SCALE HOUSE

EMPLOYEE WAS UNPLUGGING A BRIDGE UP UNDER THE JAW-ROCK ROLLED OFF TOP OF PILE HITTING HAND.

CHANGING SCREEN IN TOWER 2.

UNPLUGGING THE F-900 AND CHUTE AND CAUGHT THE FRAYED CABLE WITH FOREARM.

EMPLOYEE WAS MOVING CASING FROM A SHOT PATTERN-SLIPPED AND HIT LEFT KNEE ON ROCK.

EMPLOYEE WAS CLEANING OUT DRAG CONVEYOR- LIFTING CHUNK OF ASPHALT FROM HOPPER AT END OF DRAG CONVEYOR- INJURED LOWER BACK.

SHARP. DRILL BITS FOR DRILL

EMPLOYEE WAS CHANGING SCREENS STEPPED OFF SIDE OF SCREEN AND TWISTED LEFT ANKLE.

EMPL WAS LOADING CATWAGON WITH 3/4" MATERIAL TO GO TO READY MIX PLANT.

RECHAINING WIND CAUGHT OVERHEAD HOIST ROLLING HOIST BLOCK IN EMP SHOULDER

REMOVING SCREEN AND IN THE PROCESS OF INSTALLING ANOTHER EE WAS RASING THE HOIST WHEN THE HOOK CAUGHT AN I BEAM AND BROKE CABLE BLOCK HIT EE IN THE FACE NOSE. EE WAS WEARING HARD HAT AND SAFET Y GLASSES.

BURNING A RUBBISH PILE 4 EE WERE IN THR PROCESS OF BURNING LARGE RUBBISH PILE FOREMAN WAS MOVING PICK UP WHEN EE REACHED DOWN LIT FIRE IT EXPLODED THROWING EE BACK UBRNING ARMS CHEST FACE ANOT HER EE WAS PREPARING TO THROW TORCH ON PILE.

EMPLOYEE WAS FILLING GEAR BOXES IN TOWER II, PULLED HIMSELF UP WITH HIS ARM. PULLED MUSCLE IN RIGHT ARM BETWEEN WRIST AND ELBOW.

REMOVING TAIL DRUM ON 2 SCREEN EE WAS STANDING BY CONVEYOR WHEN DRUM HIT HIM IN KNEE.

EMPLOYEE WAS THAWING WATER LINE.

EMPLOYEE WAS CHANGING SCREENS.

EMPLOYEE WAS WALKING DOWN TO THE JAW CONV TO SPOT TAILDRUM TO REMOVE ROCK FROM TAILDRUM.

EMPLOYEE WAS SITTING IN TRUCK BEING LOADED WITH SHOT ROCK-LOWER BACK PAIN.

SHOVELING OU T BUILT UP MATERIAL UNDER CONVEY CONE TIGHTNER STRONG WIND BLEW FOREIGN OBJECT IN R. EYE.

CHANGING SCREEN8 ON #1 SCREEN-PULLING SCREEN WITH A SCREEN HOOK AND S HOOK SLIPPED OFF SCREEN CAUSING HIM TO FALL BACKWARDS

CUTTING CONVEYO9 BELT / KNIFE SLIPPED AND CUT LEFT LEG ABOVE KNEE.

EE WAS MOVING 2OSE FOR DETROIT DIESEL DRIVEN MOTOR PUMP. WATER SHOT OUT CAUSING WET SLIPPERY CONDITIONS.

STRAINED HIMSEL0 SCREENS

CHARLES KRUEGER WAS INSIDE OF HOPPER OF SCREEN REMOVING 1/2"X8"X20" METAL PLATES FROM SIDE WALLS. HE HAD JUST CUT ONE FREE AND AFTER A QUICK LOOK DROPPED THE PLATE HE SAID HE HAD CALLED "LOOK OUT" RON HEGGE ENTERED THE WORK AREA-THE BELT WAS GONE TO ALLOW ENTRANCE THROUGH THE BOTTOM OF THE HOPPER. HE HAD CRAWLED THROUGH THE FRAME OF CONVEYOR AND WAS ABOUT TO ENTER. HE DID NOT HEAR

EMPLOYEE WAS REMOVING A BROKEN RUBBER SEAL FROM THE CONE CRUSHER. HE JERKED ON THE SEAL WHICH STUCK, HIS HAND SLIPPED OFF AND HIS THUMB HIT THE LEFT EYE. THE THUMB NAIL CUT THE EYEBALL.

EMPLOYEE WAS REMOVING LARGE ROCK FROM CONVEYOR BELT HE CAUSHT HIS FINGER BETWEEN RRAME OF CONVEYOR AND ROCK LAST FINGER TIP 2ND FINGER LEFT HAND.