Page 61 - Boiler_Operators_Handbook,_Second_Edition
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46                                                                                Boiler Operator’s Handbook


               loose pages. A bound book with consecutively num-    Operator’s log—A paper document that contains consecu-
               bered or dated pages is the best type of log book. Con-  tive dated entries made by  the plant  operators to
               trary to what one might believe, handwritten paper logs   describe activity on their shift or watch. The log
               have survived many of the worst boiler plant incidents,   can contain a record of data readings recorded by
               being lost only when the entire plant was destroyed.     the operator along with a narrative on activities
               Others have survived a plant burnt down although the     undertaken by the operator, a record of visitors,
               edges of every page was burned back.                     contractors, and others that visited the plant, work
                    Most importantly, if ever required as evidence in   performed by contractors, problems encountered,
               court, it should survive scrutiny. A judge or jury will be   etc. Of all documents  this  one must be  arranged
               confident  that  the  document  wasn’t  tampered  with  or   to survive as a legal document of what occurred
               altered, believing the document is factual and represen-  in the boiler plant.  It should not be alterable  nor
               tative of what the operator recorded. Loose pages and    altered absent of signature. If an operator decides
               electronic data can be altered readily without evidence   to change what he has written in the log he should
               of that alteration so they are not considered a legal re-  do so according to prescribed procedures discussed
               cord. When you are facing a law suit it’s too late to cre-  later.
               ate a log. And, in today’s litigious society it’s foolish to
               think that you’ll never be sued.                     Water treatment log—A paper document that contains
                    On the other hand, your maintenance of a log        a record of water analysis and water chemical
               could support your employer’s claim against a contrac-   additions. This document could be part of the
               tor or manufacturer or even be the basis for a claim by   operator’s log if desired but normally consists of
               your spouse in the event you’re injured or killed. A log   forms prepared by the water treatment service
               is more than just a piece of paper you have to fill out, it’s   organization.
               every operator’s responsibility to maintain one.
                    The best log today is a combination of electronic  Maintenance and repair log—Documents that constitute a
               data, printed records and handwritten logs. The hand-    record of maintenance and repair of everything in
               written log can contain data that isn’t stored electroni-  the plant. This log should be arranged to facilitate
               cally or it can include that data as an original source that   locating the information. There’s more on this log
               is subsequently entered into an electronic database by   in the documentation and maintenance sections.
               the operator. There is no need to put all data on a single
               piece of media.                                      Visitor’s log—A paper document recording the signatures
                    As technology continues to develop, an electronic   of visitors to the plant. Normally unnecessary un-
               database will eventually eliminate the handwritten log.   less the plant has a great number of visitors on
               An electronic log that could eliminate the handwritten   regular  occasions which  would  clutter  the  opera-
               log  should  consist  of a  non-erasable  media  (such  as  a   tor’s log.
               CDR) with provisions for the operator to record all perti-
               nent data in concert with electronic data storage. The log  Contractor’s log—A paper document recording the signa-
               should be duplicated in another location to preserve it   tures of contractors working in the plant. Normally
               and should also be on non-erasable media. One or more    unnecessary unless the plant has a great number
               could store the electronic data normally captured by re-  of contractors regularly working in the plant so
               corders and data loggers while another could store data   the information would clutter the operator’s log.
               entered by the operator. Password control can provide
               the equivalent of the operator’s signature. Unless the  Recorder  charts—All charts from recorders are a part of
               data are secure and duplicates exist at a location outside   the plant log. They provide a continuous record of
               the plant where they’re not exposed to the same oppor-   pressures, temperatures, and levels that would nor-
               tunities for damage don’t abandon a paper log.           mally be recorded at intervals in the operator’s log.
                                                                        These  are  normally paper  documents that show
               Types of Logs                                            values for pressures, temperatures, and levels
                    A boiler plant log can consist of many documents    over a twenty-four-hour period or a week. Some
               and devices that, as a group, constitute the log. Typical   recorder charts span a month and strip charts can
               documents that form a log as of the writing of this book   easily hold data for three months.
               include:
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