Confined Space P23 Melt Log - Waupaca Foundry, …

HSF 4-0080.W REV 10.03.2013
UNCONTROLLED IF PRINTED
P23 MELT CONFINED SPACE LOG
HAZARDS ACCEPTABLE ENTRY PROCEDURES Dusty atmosphere Possible low oxygen Mechanical belt feed into bin Engulfment in contents Entrapment in tapered bottom Fall hazard - 25 ft deep Empty contents of bin Lock out belt/conveyor Pre entry and continuous air monitoring within acceptable limits REQUIRED ENTRY EQUIPMENT Multi gas Air Monitor Body harness attached to Mechanical retrieval FREQUENCY OF ENTRY Approx. 2 times per year
2 X YEAR IF HOPPER IS CHANGED OUT
Lock out steel shaker, Remelt transfer shaker, Pig iron shaker, lower charge hydraulics, overhead cranes and fasten hopper doors closed. Dusty atmosphere Fall hazard greater than 4 feet
#20105-301 CHARGE BUCKET
NON PERMIT Metal Hopper drops material into bucket & may engulf. Fall hazard greater than 4 feet deep.
Portable ladder
Байду номын сангаас
WEEKLY
Empty contents of bucket. Secure bottom doors. Lockout crane magnet. Lockout bucket to prevent unexpected movement #20105-301 CHARGE BUCKET PIT NON PERMIT Charge bucket moving in and out of pit. Lockout charge bucket #20110-100 CUPOLA (bottom doors closed) Multi gas air monitor PERMIT REQUIRED Temperature/heat Body harness attached to the spyder basket. Toxic atmosphere Fall hazard 100 ft. Mechanical & electrical equipment used for repair work Possible high or low oxygen Non production entry Bottom drop procedures Allow to cool Lockout charge system, oxygen system, blast blowers, level gauges, cupola cap, charger shield, cupola emergency sprays air and emergency sprays water. Spray and purge a minimum of 3 hours Pre entry and continuous air monitoring within acceptable limits SHUT DOWN Lockout DAILY
MACHINE NUMBER SPACE DESCRIPTION #20105-156 SPILL CONTAINMENT TANK
SPACE
DESIGNATION ACCEPTABLE ENTRY PROCEDURES PERMIT REQUIRED Engulfment in contents Fall hazard Empty contents Rinse tank Pre entry and continuous air monitoring within acceptable limits
MACHINE NUMBER SPACE DESCRIPTION LIMESTONE BIN20105-203
SPACE DESIGNATION PERMIT
#20105-206 METAL HOPPER #20105-208 COKE HOPPER
NON PERMIT
Portable ladder
MACHINE NUMBER SPACE DESCRIPTION #20105-101 #1 BELT PIT
SPACE DESIGNATION NON PERMIT
#20105-201,202,204,205 COKE,CARBIDE AND MISC. BIN SYSTEM 4BINS
NON PERMIT
UNCONTROLLED IF PRINTED
P23 MELT CONFINED SPACE LOG
HAZARDS ACCEPTABLE ENTRY PROCEDURES Conveyors with moving parts, pulleys, gears & rollers Conveyors are guarded. If guards are removed, lockout of system must be completed "LOCATED OUTSIDE IN MELT CHARGE YARD" Mutli gas air monitor Dusty atmosphere Possible low oxygen Mechanical belt feed into bin Engulfment in contents Entrapment in tapered bottom Fall hazard - 25 ft deep APPROXIMATELY 2 X YEAR REQUIRED ENTRY EQUIPMENT FREQUENCY OF ENTRY DAILY
MACHINE NUMBER SPACE DESCRIPTION (CONTINUED) #20105-201,202,204,205 COKE, CARBIDE, MISC. BIN SYSTEM 4BINS
SPACE DESIGNATION
(CONTINUED FROM PREVIOUS ROW) 7. Open the side door on the bin. A. This door is located on the north side. B. The door is heavy, use a cumalong to assist in opening the door. 8. Using an air monitor, check the quality of the air in the bin. A. If the air quality is good, continue onto step #10. B. If the air is bad, DO NOT ENTER, contact your foreman or supervisor. 9. Entry to the bin can be performed and work inside the bin can be completed. 10. If prolonged work is to be done in the bin, the bottom door of the bin may need to stay open to remove fines that slowly build up. If this is the case, follow the following steps. A. With the bottom door closed and locked out, build a temporary deck in the bottom of the bin at any level above the door. Use expaned metal to allow any fines to fall through the deck. B. Unlock the ball valves for the bottom door cylinder and open the door.
HSF 4-0080.W REV 10.03.2013
METAL HOPPER #20105-208 COKE HOPPER UNCONTROLLED IF PRINTED
IF HOPPER IS CHANGED OUT
P23 MELT CONFINED SPACE LOG
HAZARDS ACCEPTABLE ENTRY PROCEDURES Empty contents of hopper and close bottom door - or lock open. Lock out limestone belt A and B, coke belt, carbide belts A and B, and mics. Belt A and B. REQUIRED ENTRY EQUIPMENT FREQUENCY OF ENTRY
MACHINE NUMBER SPACE DESCRIPTION
SPACE DESIGNATION
HSF 4-0080.W REV 10.03.2013
UNCONTROLLED IF PRINTED
P23 MELT CONFINED SPACE LOG
HAZARDS REQUIRED ENTRY EQUIPMENT Multi gas air monitor Body harness attached to a mechanical retrieval device Portable ladder FREQUENCY OF ENTRY ENTRY NOT EXPECTED
HSF 4-0080.W REV 10.03.2013
UNCONTROLLED IF PRINTED
P23 MELT CONFINED SPACE LOG
HAZARDS ACCEPTABLE ENTRY PROCEDURES REQUIRED ENTRY EQUIPMENT FREQUENCY OF ENTRY
HAZARDS ACCEPTABLE ENTRY PROCEDURES REQUIRED ENTRY EQUIPMENT FREQUENCY OF ENTRY
MACHINE NUMBER SPACE DESCRIPTION
SPACE DESIGNATION
Empty contents of bin Close and lock bottom sliding door Lockout belt/conveyor Pre entry and continuous air monitoring within acceptable limits. 1. Lock out #3 feed belt. A. If #3 belt needs to be run because work is to be done during production, skip #1 and go onto #2. B. If #3 belt is locked out go to step #5. 2. Raise the plow blade on #3 belt that feeds the bin to be worked in. A. Chain and lock plow blade in the up position. 3. Install blanking over the chutes feeding the bin to be worked in. A. Weld expanded or sheet steel over the chute so no material could enter the bin if the chained and locked up plow blade would somehow fall. 4. Open the bottom door on the bin to ensure it is empty. 5. Look down into the bin from the top along #3 belt to make sure the contents of the bin are all removed. 6. Close the bottom door on the bin and lock out the two ball valves (CONTINUED ON NEXT ROW)
VENTILATION REQUIRED
HSF 4-0080.W REV 10.03.2013
COKE,CARBIDE AND MISC. BIN SYSTEM 4BINS
2 X YEAR
VENTILATION REQUIRED UNCONTROLLED IF PRINTED
P23 MELT CONFINED SPACE LOG