According to esigning Buildings Wiki (2017), “Line of balance (LOB) is a management control process used in construction where the project contains blocks of repetitive work activities, such as roads, pipelines, tunnels, railways and high-rise buildings. IHBC resource offers improved consistency. The lob is a useful shot that aims to push the ball high and deep into the opponent’s court. Top or bottom? A lob in tennis involves hitting the ball high and deep into the opponent's court. (see figure below). 5, so I will start the new duration (10 days) from unit 6. The backfilling in executed in layers, each layer is 25 cm and we have 1 meter to backfill, so we need 4 days to finish 1 unit. Accordingly, I would like to share with you my results in this article, the application of LOB method in construction projects using Excel tool. What is Line of Balance (LOB) Planning Technique? (see the figure below). in Egypt. Surprisingly, the fresh engineers explained this method to me and I found it is very simple. In that case, we need to modify our line for the waterproofing as per the following chart. Otherwise, the seventh byte is set to the space character. The CRFS approach is to use all three of these techniques, depending on your application. One common use of the lob is to surprise your opponent while they are up at the net. Figure below is the final output of our schedule: You can download the line of balance excel template used for this demonstration from the following link:Line of Balance Excel Tool, Download the PDF version of this article: How to use Line of Balance in Construction Projects, Do you like Planning tools? Close. In our case, the waterproofing should finish after the last unit of the RC foundation finish + waterproofing duration = 7-Sep-17 + 3 days = 10-Sep-17. Hany Ismael is the founder and CEO of Planning Engineer Est. See the figure below: I wish my example with clear and useful for you. Providing strength and support above the joists. The team size who would finish the pc footings in 9 days, could finish the R.C columns in 6 days, but the slope of the S.O.G is 12 days which means that there will be intersection between these two teams. As Activity B continues, at the end of the week 4 work can begin on the second floor; at the end of week 6 work can begin on the third floor, and so on. 3. The implementation of control is necessary to not allow any misuse of resources and means. Ammar used overlapping activities of a single unit to determine precedence relationships and duration of repetitive activities. Line of balance technique can use to calculate completion time of the given project for both the methods. Copyright ©2012- 2020 planningengineer.net | All materials, unless otherwise noted, were developed originally for Planning Engineer Website. Top LOB acronym definition related to defence: Line-Of-Balance The seventh byte is set to the space character if there is not enough room in the SQLDA to contain the description of all result columns or output parameter markers. The project timeline is represented along the x-axis of the LOB diagram. What does LOB stand for in Technique? It can be used as an offensive or defensive weapon. Not only is this braiding technique easy to master, but it’s also ideal for those looking to add a bit of edge and intricacy to their look. Download : Download full-size image; Figure 1. So, the question here, when the subcontractor should start to maintain continuous work without stoppage? Furthermore, I saw few graphs of the scheduling using Line of Balance and the first impression was it looks complicated. BLOB and CLOB Classes. Unit 7 has the biggest intersection, so if we solve this one our line will be fine. The work areas that define the project are represented along the y-axis. You can find out about our cookies and how to disable cookies in our Privacy Policy. From inns and coaching houses to boutiques. 1.1 Aluminium formwork Aluminium formwork is also known as MIVAN formwork system. Special excel tools to facilitate the planning and scheduling process for planning engineers. The CPM/LOB method merges the benefits of CPM and LOB techniques to schedule LRPs in a non-graphical way. As you can see, we have two intersections between S.O.G and Backfilling in units 4 and 7. Now we want to add the reinforced concrete for footings, but it will take 15 days to complete one unit. There are some software like TILOS which deal with LOB method similarly to Oracle Primavera which deals with Critical Path Method (CPM). We have 10 similar buildings, and we want to create the schedule using line of balance method. America's economic collapse produced scores of PWA Moderne projects. This is great, but not practical, it doesn’t make any sense to wait 109 days (between first unit RC completion and first unit waterproofing start). For example, Unit No. For polling, the API would return to the application after reading/writing each piece with the The horizontal red dashed lines represent the breaks in Activity B work, where the workforce is waiting for Activity A to clear the way for them to continue. Even if you are not going to use a subcontractor, and you have several projects among your company, you can schedule your teams like this. We will draw the Plain concrete works under footings, each building will take 10 days to be completed, so it is a straight forward process. See the figure below: Ok, now our construction site is safer with the backfilling (no excavation is left for long time) so we want to start the slab on grade as soon as possible and keep it going smoothly without stop. However, after 16-Nov-17, the duration should be reduced to 10 days only for 1 unit. This technique is used to accommodate LOB, distinct type, structured type, or reference type columns, or output parameters. In our case the reinforced concrete for footings should start immediately after the Plain concrete finish. According to esigning Buildings Wiki (2017), “Line of balance (LOB) is a management control process used in construction where the project contains blocks of repetitive work activities, such as roads, pipelines, tunnels, railways and high-rise buildings. So, we can reach an agreement with our subcontractor (If applicable) to work in patches. Bien souvent, SharePoint sert de point d’accès central unique pour l’ensemble du contenu et des services liés à un secteur d’activité. I was always asking myself, why line of balance method is not widely used in construction projects? Intégration du secteur d’activité Line of Business Integration. So now we know each unit when the PC under footings should start and when it should finish. This can be done by using polling method or a callback function.Here data is read/written in multiple pieces sequentially for the array of locators. Let us start with this example. Now we can schedule the backfilling team/equipment to follow the waterproofing. Lob's API products empower technology-focused companies to build powerful applications to control and scale their physical mailing. In that case, from where we should schedule? Live Streaming . In the event that there is still a problem or error with copyrighted material, the break of the copyright is unintentional and noncommercial and the material will be removed immediately upon presented proof. The Aluminium formwork system was developed by W.J. Technique LOB acronym meaning defined here. Fig. Femtosecond pulses are used both to trigger a biochemical reaction and to follow the related structural and electronic changes. I.E we will start from when the waterproofing work should finish and make backward calculation. So, I am going to increase the PC footings duration by 2 days which gives me start date of the R.C Columns on 30-July-2017 and Perfect Finish date. Line of balance (LOB) is a management control process used in construction where the project contains blocks of repetitive work activities, such as roads, pipelines, tunnels, railways and high-rise buildings. So, we can start immediately after the first unit waterproofing completion. Screen Recorder . So let's take a look at a video demonstration of the forehand lob and backhand lob. The “lob” or long bob is the hottest trend hitting runways, magazines, and the streets this year. In 2016, he established his own company in Egypt “Planning Engineer Est.” Hany gained his MSc degree in project management from Liverpool University-UK 2013-2016, PMP certified from PMI-USA 2010, and BSc Civil Engineer Tanta University-Egypt 2003. 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And External LOBs ( BFILEs ) an agreement with our overall schedule occupied old... Activities of a, spread across each of the R.C slabs crew to finish 1 unit start... 1 and option 2 the lob in tennis is a high shot aimed over your opponent while they psychological... Be used as a defensive shot or when executed correctly, a offensive... Deal with lob method similarly to Oracle Primavera which deals with Critical Path (... So now we can use to calculate completion time of the lob is effective. Possible matches as you can use this website without disabling cookies, we will assume you are happy receive! We solve this one our line will be fine planning tools, techniques and courses columns, or reference columns! To receive them option 2: increase the probability of locating the source of any given signal and... This scenario 11-Sep-17 to 16-Nov-17, the seventh byte is set to space! 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