{"id":100572,"date":"2019-05-06T06:57:23","date_gmt":"2019-05-06T10:57:23","guid":{"rendered":"https:\/\/sjcivil.com\/?p=100572"},"modified":"2024-02-09T07:08:30","modified_gmt":"2024-02-09T12:08:30","slug":"the-basics-of-advanced-scheduling-terminology","status":"publish","type":"post","link":"https:\/\/sjcivil.com\/the-basics-of-advanced-scheduling-terminology\/","title":{"rendered":"The Basics of Advanced Scheduling Terminology"},"content":{"rendered":"<p><strong>Executive Summary.\u00a0<\/strong>It\u2019s important as a contractor, or even as an owner\u2019s representative, to know a bit more than the basics of scheduling.\u00a0 Familiarity of some of the terms is helpful regardless of what side of the table you\u2019re on:\u00a0 Contractor or Owner.<\/p>\n<p><iframe loading=\"lazy\" style=\"border-radius: 12px;\" src=\"https:\/\/open.spotify.com\/embed\/episode\/4pw98StxO00T1UllBzdf5u?utm_source=generator\" width=\"100%\" height=\"152\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><strong>The terms.\u00a0<\/strong>\u00a0When a project starts to deviate from the schedule, it\u2019s good to know the basics of terminology related to scheduling and claims consulting.\u00a0 Here\u2019s a head start on some of the terms, basics and beyond:<\/p>\n<div class=\"eds-animate  \" data-eds-entry-animation=\"rotateIn\" data-eds-entry-delay=\"0\" data-eds-entry-duration=\"0.5\" data-eds-entry-timing=\"linear\" data-eds-exit-animation=\"\" data-eds-exit-delay=\"\" data-eds-exit-duration=\"\" data-eds-exit-timing=\"\" data-eds-repeat-count=\"1\" data-eds-keep=\"yes\" data-eds-animate-on=\"hover\" data-eds-scroll-offset=\"\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-101359 size-medium\" src=\"https:\/\/sjcivil.com\/wp-content\/uploads\/2019\/05\/schedule-agenda-153555_1280-300x217.png\" alt=\"\" width=\"300\" height=\"217\" \/><\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<ul>\n<li>Critical Path \u2013 This is likely the most common term in scheduling.\u00a0 Simply stated critical path is the sequence of activities that must be performed \u2013 with zero delay \u2013 in order to complete the project.\u00a0 A critical path has no float, and if any of the activities take longer than stated on the schedule, there is a delay.<\/li>\n<\/ul>\n<ul>\n<li>Quantum -Most of the time this term refers to money \u2013 in the claims world it usually has to do with the amount of money a contractor feels he is due from the client.\u00a0 In terms of scheduling, it is the measurement in number of days of a delay.<\/li>\n<\/ul>\n<ul>\n<li>ALV and PLV<strong>\u00a0\u2013\u00a0<\/strong>Each of these terms, respectively, stands for Activity-level variance (ALV) and Project-level variance (PLV).\u00a0 If an activity suffers a twelve (12) calendar day delay which pushes the overall project delay to nine (9) calendar days, the ALV and PLV follow:\n<ul>\n<li>ALV (Activity-level variance) = 12 calendar days<\/li>\n<li>PLV (Project-level variance) = 9 calendar days<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>Knock-on delays<strong>\u00a0\u2013\u00a0<\/strong>Another synonymous term to knock-on delays is trickle effect.\u00a0 As an example, say the drywall installation is delayed. Because painting of the wall comes only after the drywall is hung, we now have a knock-on delay to the interior painting.<\/li>\n<\/ul>\n<ul>\n<li>Float or slack<strong>\u00a0<\/strong>\u2013 this is certainly one of the most common terms in scheduling:\u00a0 float.\u00a0 It\u2019s also known as slack.\u00a0 This is the amount of time an activity can be delayed in its completion before the critical path is affected.<\/li>\n<\/ul>\n<ul>\n<li>Force majeure \u2013 a delay event out of control, and outside the realm of reasonable contemplation, of both the contractor and owner.\u00a0 Examples include weather, act of God, labor strikes.\u00a0 Contractual clauses vary, so be sure to read the language in your contract.<\/li>\n<\/ul>\n<ul>\n<li>Pacing or slow walking \u2013 this is a term used to describe contractor-slowed production due to the concurrent existence of the owner\u2019s delay with some other activity.\u00a0 It can open the door to a contractor\u2019s breach of contract in his duty to treat time of the essence.<\/li>\n<\/ul>\n<ul>\n<li>Disruption \u2013 interruption of a contractor\u2019s normal work progress resulting in some level of inefficiency or loss in production.<\/li>\n<\/ul>\n<ul>\n<li>Recovery \u2013 efforts taken on by the contractor to recover from his own delay.<\/li>\n<\/ul>\n<ul>\n<li>No damages for delay \u2013 this legal clause takes on many forms, but the premise is that the contractor is precluded from being compensated in delay to his work.\u00a0 In the public sector they have been difficult to enforce, in the private sector contractors often have a greater battle on their hands.<\/li>\n<\/ul>\n<ul>\n<li>Directed acceleration \u2013 an owner\u2019s demand to accelerate the project to recover lost schedule.<\/li>\n<\/ul>\n<ul>\n<li>Constructive acceleration \u2013 when an owner refuses to acknowledge and award a contractor-deemed excusable delay to the work and the contractor accelerates at his own volition.<\/li>\n<\/ul>\n<p><strong>My Story.\u00a0\u00a0<\/strong>These terms are as much claims terms as they are specific to scheduling \u2013 scheduling is a subset to a claim.<\/p>\n<p>Each of these terms may surface in the case of a claim on your project.\u00a0 I could provide an anecdote on any of these.\u00a0 In regards specifically to scheduling (versus claims), I\u2019d say that the presentation of disruption in a schedule can be the most costly to both contractors and owners.\u00a0 If a project is built out of sequence, with several overlapping activities, with additional labor and\/or supervision, and\/or with a heavy stacking of trades, this can be damming to both parties.\u00a0 A good scheduler can show this effect to make the case against an owner and help protect a contractor.<\/p>\n<p>&nbsp;<\/p>\n<div class=\"su-button-center\"><a href=\"https:\/\/sjcivil.com\/wp-content\/uploads\/2019\/05\/2019-05-07-Basic-Scheduling-Terms.pdf\" class=\"su-button su-button-style-flat\" style=\"color:#FFFFFF;background-color:#293a57;border-color:#212f46;border-radius:12px;-moz-border-radius:12px;-webkit-border-radius:12px\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"color:#FFFFFF;padding:0px 30px;font-size:22px;line-height:44px;border-color:#6a768a;border-radius:12px;-moz-border-radius:12px;-webkit-border-radius:12px;text-shadow:none;-moz-text-shadow:none;-webkit-text-shadow:none\"> Download The PDF<\/span><\/a><\/div>\n<span class=\"et_bloom_bottom_trigger\"><\/span>","protected":false},"excerpt":{"rendered":"<p>Executive Summary.\u00a0It\u2019s important as a contractor, or even as an owner\u2019s representative, to know a bit more than the basics of scheduling.\u00a0 Familiarity of some of the terms is helpful regardless of what side of the table you\u2019re on:\u00a0 Contractor or Owner. The terms.\u00a0\u00a0When a project starts to deviate from the schedule, it\u2019s good to [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":101358,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","iawp_total_views":0,"footnotes":""},"categories":[302,50,38],"tags":[456,457,190,458,459,460,461,462,463,464,465,466,467,468,469,470],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The Basics of Advanced Scheduling Terminology<\/title>\n<meta name=\"description\" content=\"\u00a0It\u2019s important as a contractor, or even as an owner\u2019s representative, to know a bit more than the basics of scheduling.\u00a0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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