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[wrapped: SQLSTATE[42S02]: Base table or view not found: 1146 Table 'agsafe5_transition.author' doesn't exist]

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PropelException Object
(
    [cause:protected] => PDOException Object
        (
            [message:protected] => SQLSTATE[42S02]: Base table or view not found: 1146 Table 'agsafe5_transition.author' doesn't exist
            [string:private] => 
            [code:protected] => 42S02
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                                            [cachePreparedStatements:protected] => 
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                            [function] => retrieveByPK
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                                                            [title:protected] => CPWR Small Study Reports
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                                                            [keywords:protected] => 
                                                            [comments:protected] => 
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                                                            [date_permission_received:protected] => 
                                                            [date_review_needed:protected] => 
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                                                            [keywords:protected] => Falls, scaffold, ladders, Chartbook, stopconstructionfalls
                                                            [comments:protected] => 
                                                            [summary:protected] => This infographic is based on data from CPWR's Construction Chartbook and from www.StopConstructionFalls.com. The data are presented in easy to understand graphics to highlight that falls are the number one killer of construction workers.
                                                            [transition_comments:protected] => 
                                                            [external_link:protected] => 
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                                                            [date_review_needed:protected] => 
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                                            [summary:protected] => This CPWR Small Study evaluates fall safety among members of five constructions trades: Carpenters, Electricians, Ironworkers, Painters, and Roofers, and their use of safety compliance equipment or practices. There is a confirmed high level of safety compliance across the skilled trades, with Ironworkers potentially at higher risk and personal fall systems deserving of further attention.
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                                            [billable:protected] => F
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                                            [date_summary:protected] => January 2015
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                                                (
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                                        )

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                                            [_source:protected] => PHPTAL_FileSource Object
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                                            [_codeFile:protected] => /tmp/tpl_580139c2_record_macros__uL8E19JGr3JBTHY0CY8xbQ.php
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                                            [_translator:protected] => 
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                                                            [metas] => Array
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                                                            [title] => eLCOSH : Evaluating Fall Safety Compliance among Skilled Trades in Construction
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                                                                            [title] => Immediate Stop Use Notice: Guardian SRL-LEs with Stainless Steel or Web Lifelines
                                                                            [image] => /record/images/4364-p.png
                                                                            [blurb] => This notice is intended to communicate product information
regarding Guardian Fall Protection leading
edge-compatible self-retracting lifelines (SRL...
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                                                                            [url] => /document/4364/d001619/Immediate%2BStop%2BUse%2BNotice%253A%2BGuardian%2BSRL-LEs%2Bwith%2BStainless%2BSteel%2Bor%2BWeb%2BLifelines.html
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edge-compatible self-retracting lifelines (SRL-LE)
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number of these SRLs were identified as non-compliant
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                                                                                    [110] => Cabinetmaker
                                                                                    [112] => Carpenter
                                                                                    [114] => Carpet Layer
                                                                                    [116] => Cement Mason
                                                                                    [118] => Commercial Diver
                                                                                    [120] => Concrete Polisher
                                                                                    [122] => Drywall Applicator Specialist
                                                                                    [124] => Electrical Worker
                                                                                    [126] => Elevator Constructor
                                                                                    [128] => Flagger
                                                                                    [130] => Glazier
                                                                                    [132] => Hazardous Waste Cleanup
                                                                                    [134] => HVAC
                                                                                    [136] => Interior Systems Carpenter
                                                                                    [138] => Laborer
                                                                                    [140] => Landscaper
                                                                                    [142] => Lather
                                                                                    [144] => Lead Abatement Worker
                                                                                    [146] => Maintenance Worker
                                                                                    [148] => Millwright
                                                                                    [150] => Operating Engineer
                                                                                    [152] => Painter
                                                                                    [154] => Paper Hanger
                                                                                    [156] => PCC/Restoration
                                                                                    [158] => Pile Driver
                                                                                    [160] => Plasterer
                                                                                    [162] => Plumber/Pipefitter
                                                                                    [164] => Refractory Worker
                                                                                    [166] => Reinforcing Ironworker
                                                                                    [168] => Roofer/Waterproofer
                                                                                    [170] => Scaffold Erector
                                                                                    [172] => Sheetmetal Worker
                                                                                    [174] => Sprinkler Fitter
                                                                                    [176] => Stonemason
                                                                                    [178] => Structural Ironworker
                                                                                    [180] => Terrazzo Worker
                                                                                    [182] => Tile Setter
                                                                                    [184] => Truck Driver
                                                                                    [186] => Welder
                                                                                    [188] => Commercial & Institutional
                                                                                    [189] => Jobsites
                                                                                    [190] => Demolition
                                                                                    [192] => Disasters
                                                                                    [194] => Heavy & Highway
                                                                                    [196] => Industrial
                                                                                    [198] => LEED/Green Construction
                                                                                    [200] => Renovations
                                                                                    [202] => Residential
                                                                                    [204] => Underground
                                                                                    [206] => Research Reports
                                                                                    [207] => Documents
                                                                                    [208] => Media & Documents
                                                                                )

                                                                            [type] => Research Reports
                                                                            [sub_category] => 
                                                                            [url] => /document/4361/d001616/Younger%2BWorkers%253A%2BAn%2BInterdisciplinary%2BAnnotated%2BBibliography.html
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                                                                                    [30] => Elevator Constructor
                                                                                    [32] => Flagger
                                                                                    [34] => Glazier
                                                                                    [36] => Hazardous Waste Cleanup
                                                                                    [38] => HVAC
                                                                                    [40] => Interior Systems Carpenter
                                                                                    [42] => Laborer
                                                                                    [44] => Landscaper
                                                                                    [46] => Lather
                                                                                    [48] => Lead Abatement Worker
                                                                                    [50] => Maintenance Worker
                                                                                    [52] => Millwright
                                                                                    [54] => Operating Engineer
                                                                                    [56] => Painter
                                                                                    [58] => Paper Hanger
                                                                                    [60] => PCC/Restoration
                                                                                    [62] => Pile Driver
                                                                                    [64] => Plasterer
                                                                                    [66] => Plumber/Pipefitter
                                                                                    [68] => Refractory Worker
                                                                                    [70] => Reinforcing Ironworker
                                                                                    [72] => Roofer/Waterproofer
                                                                                    [74] => Scaffold Erector
                                                                                    [76] => Sheetmetal Worker
                                                                                    [78] => Sprinkler Fitter
                                                                                    [80] => Stonemason
                                                                                    [82] => Structural Ironworker
                                                                                    [84] => Terrazzo Worker
                                                                                    [86] => Tile Setter
                                                                                    [88] => Truck Driver
                                                                                    [90] => Welder
                                                                                    [92] => Commercial & Institutional
                                                                                    [93] => Jobsites
                                                                                    [94] => Heavy & Highway
                                                                                    [96] => Industrial
                                                                                    [98] => Renovations
                                                                                    [100] => Residential
                                                                                    [102] => Images
                                                                                    [103] => Media
                                                                                    [104] => Media & Documents
                                                                                )

                                                                            [type] => Images
                                                                            [sub_category] => 
                                                                            [url] => /image/4245/i002704/Arborist%2Bbeing%2Braised%2Bby%2Bcrane%2Bto%2Btrim%2Btrees.html
                                                                            [item:protected] => ImageRecord Object
                                                                                (
                                                                                    [records:protected] => Array
                                                                                        (
                                                                                        )

                                                                                    [recordId:protected] => 
                                                                                    [searchWordClass:protected] => 
                                                                                    [searchWordPeerClass:protected] => 
                                                                                    [bok_record:protected] => 
                                                                                    [authors:protected] => 
                                                                                    [organizations:protected] => 
                                                                                    [collections:protected] => 
                                                                                    [categories:protected] => Array
                                                                                        (
                                                                                            [11] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 11
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 7
                                                                                                    [label:protected] => Cranes & Hoists
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [15] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 15
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 7
                                                                                                    [label:protected] => Falls
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [44] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 44
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Acoustical Ceiling Carpenter
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [45] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 45
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Asbestos/Insulator
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [46] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 46
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Boilermaker
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [47] => Category Object
                                                                                                (
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                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 47
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Bricklayer
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [48] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 48
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Cabinetmaker
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [49] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 49
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Carpenter
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [50] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 50
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Carpet Layer
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [51] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 51
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Cement Mason
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [52] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 52
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Commercial Diver
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [53] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 53
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Concrete Polisher
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [54] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 54
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Drywall Applicator Specialist
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [55] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 55
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Electrical Worker
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [56] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 56
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Elevator Constructor
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [57] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 57
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Flagger
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [58] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 58
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Glazier
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [59] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 59
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Hazardous Waste Cleanup
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [60] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 60
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => HVAC
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [61] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 61
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Interior Systems Carpenter
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [64] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 64
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Laborer
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [65] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 65
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Landscaper
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [66] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 66
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Lather
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [67] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 67
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Lead Abatement Worker
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [68] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 68
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Maintenance Worker
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [69] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 69
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Millwright
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [70] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 70
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Operating Engineer
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [71] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 71
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Painter
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                                                                                    [summary:protected] => This arborist is being raised on a boatswain's chair to access the tops of trees. This is a very dangerous practice that OSHA does not allow except under the following conditions:
 
The use of equipment to hoist employees is prohibited except where the employer demonstrates that the erection, use, and dismantling of conventional means of reaching the work area, such as a personnel hoist, ladder, stairway, aerial lift, elevating work platform, or scaffold, would be more hazardous, or is not possible because of the project's structural design or worksite conditions. Source: 1926.1431(a)
 
The American National Standards Institute has a standard specifically written for arborists (Z133-2012) that allows this use of cranes, but only after a qualified person has authorized it by determining that it is the "safest and/or only feasible method to perform the work or gain access to a tree."
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                                                                                    [date_summary:protected] => July 26, 2017
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                                                                                    [date_review_needed:protected] => 
                                                                                    [date_received:protected] => 07/26/17
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                                                                            [blurb] => Overhead power lines can prove fatal to workers on aluminum ladders or equipment operators and nearby workers when cranes contact the lines. Warning s...
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                                                                                    [31] => Media & Documents
                                                                                )

                                                                            [type] => Images
                                                                            [sub_category] => 
                                                                            [url] => /image/4029/i002702/Danger%2521%2BPower%2BLines%2BAbove.html
                                                                            [item:protected] => ImageRecord Object
                                                                                (
                                                                                    [records:protected] => Array
                                                                                        (
                                                                                        )

                                                                                    [recordId:protected] => 
                                                                                    [searchWordClass:protected] => 
                                                                                    [searchWordPeerClass:protected] => 
                                                                                    [bok_record:protected] => 
                                                                                    [authors:protected] => 
                                                                                    [organizations:protected] => 
                                                                                    [collections:protected] => 
                                                                                    [categories:protected] => Array
                                                                                        (
                                                                                            [14] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 14
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 7
                                                                                                    [label:protected] => Electricity
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [55] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 55
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Electrical Worker
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [65] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 65
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Landscaper
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [70] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 70
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Operating Engineer
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailures:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                    [_new:private] => 
                                                                                                    [_deleted:private] => 
                                                                                                    [modifiedColumns:protected] => Array
                                                                                                        (
                                                                                                        )

                                                                                                )

                                                                                            [78] => Category Object
                                                                                                (
                                                                                                    [languages:protected] => 
                                                                                                    [bok_resources:protected] => 
                                                                                                    [bok_topics:protected] => 
                                                                                                    [bok_keywords:protected] => 
                                                                                                    [id:protected] => 78
                                                                                                    [type:protected] => category
                                                                                                    [parent:protected] => 2
                                                                                                    [label:protected] => Roofer/Waterproofer
                                                                                                    [alreadyInSave:protected] => 
                                                                                                    [alreadyInValidation:protected] => 
                                                                                                    [validationFailu