A state investigation has determine

A state investigation has determined that the June 18 explosion at the Plumley Division of Dana Corp.’s extrusion plant in Paris, which seriously injured one of the company’s workers, was the result of a combination of factors.
Improper maintenance, lack of operational procedures regarding the plant’s boilers, removal and replacement of critical controls and safety devices and lack of proper training and qualified personnel were all listed as causes of the accident.
Results of the investigation conducted by the Tennessee Department of Labor and Workforce Development’s Division of Boiler and Elevator Inspection were released this week in a report by chief boiler inspector Martin Toth.
The boiler that exploded was last inspected by an external agency Jan. 10, according to the report. The boiler was one of two in the plant’s boiler room. Required inspections were not recorded between Sept. 16, 2003, and that date, but no problems were reported in the most recent inspection. Dana employees were responsible for the boiler’s regular maintenance, which was not recorded.
However, investigators examining the boiler after the explosion, which hurled it 100 feet from its original location, found that its pump controller had a bent and broken spring.
They also determined that employees had been manipulating it by hand, bypassing the pump’s automatic system for moderating its water level. An improper relay for the auxiliary low-water cutoff had been installed by Dana personnel, and the manual reset capability was removed.
Investigators believe the most probable cause of the accident was the sudden introduction of feed water to the boiler that at the time of the explosion was operating in a dry-fired state.
The report indicates Leslie Evans, the maintenance worker who was injured in the explosion, entered the boiler room and found that one of the boilers was in a low water condition while the other was at full fire, but also in a low water condition. Feed water was introduced back to the boilers, and the second boiler exploded.
Investigators have not determined whether Evans started this process himself by putting water into the boiler.
Investigators also deduced that the primary low water fuel cutoff was wedged in the up position, perhaps as a result of a previous problem. This explains why the boiler continued to fire despite the low water condition.
In addition, the light bulb for the visual alarm outside of the boiler room was nonfunctional. Investigators did not determine whether the audible alarm sounded at the time of the accident.
Boiler operators are required by a Tennessee Board of Boiler Rules to visit the boiler room every 20 minutes. Dana reported that its employees visited every hour to hour and a half.
The state Division of Boiler and Elevator Inspection made a number of recommendations for future boiler operation at Dana.
The division advised that the corporation develop procedures for training and certifying boiler operators, invest in a remote monitoring system, leave maintenance and inspection to outside vendors, overhaul the alarm system and develop evacuation and emergency procedures.
Andy Doll, plant manager for the extrusion plant, said Thursday he would have no comment about the findings of the report.

ผลลัพธ์ (แอฟริกา) 1:

A State Ondersoek het bepaal dat die 18 Junie ontploffing by die Plumley Afdeling Dana Corporation se extrusie Plant in Parys, wat ernstig een van beseerde werkers van die maatskappy se was 'n kombinasie van die gevolg van faktore.
Onbehoorlike Onderhoud, Gebrek aan operasionele prosedures. ten opsigte van die Plant se ketels, verwydering en vervanging van Kritieke Beheer en veiligheid toestelle en 'n gebrek aan behoorlike opleiding en gekwalifiseerde personeel is almal gelys as oorsake van die ongeluk.
resultate van die ondersoek wat deur die Tennessee Departement van Arbeid en Afdeling Aantal werknemers Ontwikkeling se ketel en hysbak. hierdie week vrygestel was in 'n Inspeksie Verslag deur Hoof Boiler inspekteur Martin Toth.
Die Boiler wat ontplof is verlede geïnspekteer deur 'n eksterne Agency 10 Januarie, volgens die verslag. Die ketel was een van die twee in ketel die plant se. Vereis inspeksies nie aangeteken tussen 16 September 2003 en die datum, maar geen probleme is aangemeld in die mees onlangse inspeksie. Dana werknemers wat verantwoordelik was vir gereelde instandhouding van die Boiler se, wat nie aangeteken is.
Maar navorsers ondersoek die ketel na die ontploffing, wat dit gegooi 100 voete van die oorspronklike plek, het bevind dat die pomp Controller het 'n gebuig en gebreek Lente.
Hulle het ook bepaal. dat werknemers het manipuleer met die hand, omleiding outomatiese stelsel die pomp se matigende sy water vlak. 'N onbehoorlike Relay vir die Hulp lae-Water donker was geïnstalleer deur Dana Personeel, en die Handleiding herstel vermoë verwyder is.
Navorsers glo die mees waarskynlike oorsaak van die ongeluk was die skielike Inleiding voer Water om die ketel dat by die tyd van die. ontploffing wat in 'n Dry-aangedrewe State.
Die verslag dui Leslie Evans, die handhawing Werker wat beseer in die ontploffing, het die ketel en gevind dat een van die ketels was in 'n lae toestand Water terwyl die ander was op volle Vuur. nie, maar ook in 'n lae water toestand. Voed Water is ingestel na die ketels, en die Tweede Boiler ontplof.
Navorsers het nie bepaal word of Evans hierdie proses begin homself deur 'water in die ketel.
Ondersoekbeamptes ook afgelei word dat die primêre lae Water brandstof afsny is ingewig in die up posisie, miskien. as 'n gevolg van 'n vorige probleem. Verduidelik waarom dit voortgegaan om die ketel Water Vuur Ten spyte van die lae toestand.
Daarbenewens het die Gloeilamp vir die Visuele Alarm Buite die ketel was funksionele. Ondersoekbeamptes het nie bepaal of die hoorbare alarm klink by die tyd van die ongeluk.
Keteloperateurs vereis deur 'n Tennessee Raad van Boiler Reëls om Besoek die Boiler Room elke 20 minute. Dana berig dat sy werknemers besoek elke uur tot uur en 'n half.
Die Afdeling staat ketel en Hysbak Inspeksie het 'n aantal aanbevelings vir toekomstige Boiler Operation by Dana.
Die Afdeling in kennis gestel dat die Korporasie prosedures vir Opleiding en sertifisering Keteloperateurs, Invest ontwikkel. Remote Monitoring System in 'n, onderhoud en beheer te Buite verskaffers, opknapping en ontwikkeling van die Laat Alarm Stelsel Emergency en ontruimingsprosedures.
Andy pop, Plant Manager vir die extrusion Plant, het gister gesê hy sal geen kommentaar oor die bevindinge van die verslag.