Spreadsheets. 7. Lindenstrasse 2 Tel. In addition to the Laytime Calculator, it has workflow management tools: an overview of estimated, pending, and active demurrage claims on the Claim List and Demurrage Summary, as well as a Time Bar Task List. to midnight each day except on Sundays, and holidays unless required. For calculation of laytime, it is important to know when the laytime counting and calculation would start. Voyager’s Laytime Calculator to get your final demurrage estimates. clause de staries. Leverages your knowledge of Excel and the collaborative and mobility features of Microsoft 365. The laytime calculation is a function that uses the laytime agreement from freight contracts and the specific laytime events saved in the carrier nomination. Laytime Calculation is not an activity to be undertaken lightly. demurrage is incurred at a port of loading or. The laytime calculator will automatically select Cargo 2 in the Cargo ID field. To do this, utilise the Laytime Quanity Option. by John Schofield (Author) Laytime and Demurrage is an invaluable guide for both legal practitioners and maritime professionals worldwide, including commodity traders and. During these interruptions. These include liaison between the shipowner and the charterer on various issues but most important, on issues concerning laytime calculation. Easy to learn and use. The loading time actually used is 8 days. You only have to review your calculator and make adjustments as needed. Available time: 23. 3 berth Mina Jebel Ali. Port Activities are shown in a separate tab for each port, and an All Ports tab shows all activities in a single list, in chronological order. Ascertain time of expiry of laytime. Laytime calculator for the dry bulk shipping industry. PDF | On Jan 1, 2016, Evi Plomaritou published Calculating Laytime (e-book) | Find, read and cite all the research you need on ResearchGate. Laytime clause: "Laytime for loading and discharging shall commence at 1 p. Voyager stands as a demurrage & operations platform designed for commodity manufacturers, enabling them to comprehend their demurrage risk, automate laytime calculations, and simplify the entire. Cargo: minimum 5000 MT, up to full load capacity of the vessel at charterers option. Laytime for loading and discharging: 72 hours (3d 0h 0m) Notice of Readiness and Laytime clause: "Upon arrival at customary anchorage at each port of loading or discharge the Master or his agent shall give the Charterer or his agent notice by letter. Port. The time charter can be compared with the hiring a cab on per hour basis. of Shinc/Shex codes is available Easy to insert interruptions Laytime Statement available for e-mail or fax Demurrange or despatch figures can be transferred to fixture and included. 95 x 2. 0% 0% found this document not useful, Mark this document as not useful. Calculate the actual laytime used for discharging: From June 8, 15:00, to June 10, 12:00, which is 1 day and 21 hours, or 45 hours. As we can see that the distance from forward perpendicular to the forward draft mark is 9. Enter the Vessel and Voyage. Learn more about laytimecalculator. Scenario 1: Fumigation performed prior to commencement of laytime at loading port. Dollars for LAYTIME CALCULATION STATEMENT OF FACTS & LAYTIME. It explains the main clauses and terms of the agreement, such as the description of the vessel, the cargo, the voyage, the freight, the laytime and the demurrage. Otherwise, see Laytime Calculation . These include liaison between the shipowner and the charterer on various issues but most important, on issues concerning laytime. Countdown to Any Date – Create your own countdown. Calculate laytime easily and accurately. com. Laytime Calculator. Dry cargo laytime is the amount of time which the owners and charterer agree it will take to load and discharge the cargo carried on board the vessel. The Delian Spirit [1972],” Mr Jackson said. In the carrier nomination you maintain the events that. com. But it also means that 25% go beyond the standard 12 hours and so allocating 12 hours for the voyage budget will not be. | Meaning, pronunciation, translations and examplesEm nosso curso de LAYTIME CALCULATION EM CHARTERING, proporcionamos aos alunos uma imersão nesse tema complexo, mas que é fundamental para quem atua no mercado de transporte de cargas breakbulk. Time used 5 days 11 hrs 35 mins Demurrage rate USD 2,750. In the freight contract you maintain information about the allowed laytime of a vessel during loading, discharging, or lighterage. Contact your CA for more details. The eSOF also provides real-time data insights that are invaluable for decision. 5. m. Reversible laytime calculations are not currently available, but are coming in version 2. In most voyage charter parties, loading and discharge times are. Manage your Port Calls all in one place - Collect and manage your team's data, tasks, documents and workflow all on our SaaS platform. In the middle of the Laytime Calculation form is the Port Activities list, or Statement of Facts, which is the basis for laytime. Rain delay 0800 – 2400 hrs. 2,Obtain Statement of Facts from agent. Free Trial. Clause 6 in the Gencon ’94 form further provides that the time used for moving from the waiting place to the berth does not count as laytime. Easy to learn and use. The Enqlare Laytime calculator software. point de départ des staries. 1. Overview Advice; Voyage charter; MEMBER SECTION. You should state all the exceptions from laytime accordingly to the charter party and rider; Once the calculation is finished, it is clearly seen if despatch is payable to the charterers or demurrage is due to the owners; There could be a few scenarios when laytime should start to. Laytime Calculator. Laytime calculation is one of the most laborious, objectionable and time-consuming tasks in the shipping business; however, if done accurately, it can save a lot of money. Discharging commenced. 3. It has been. The system uses the formula: Demurrage costs = net demurrage time X net demurrage rate X demurrage factor. This means that laytime includes Sundays and public holidays. Laytime may alternatively be stated by the rate of loading or discharge. In most of the cases, the. Ascertain time of. The system calculates the demurrage fee based on the potential or actual laytime, the contractually allowed laytime, and the demurrage fee maintained in the freight contract. CASE I. Docked, June 8, 2013, 0930 hrs. LOADING RATE AS PER AGREEMENT: 15,000 MT SSHINC. We know demurrage analysts often work with a bolt-on to systems, primarily aimed at another part of the business. “T/C-Voyage Estimations” including “Distance Table” represents an easy-to-use, yet powerful tool for your calculations. Laytime expressed as a total daily rate basis—a specified number of available workable hatches 47 ix. LAYTIME AND DEMURRAGE. exe, BVLicUpd. Laytime clause: "Laytime for loading and discharging shall commence at 1 p. A laytime is a free time (allotted time) given to the charterer of a vessel for loading or unloading. Custom statement templating. Shipbrokers and agents should be aware that no single issue occupies the minds of maritime lawyers more than the counting of loading and discharging time. SUBSCRIBE to our channel. pdf For Later. In the freight contract you maintain information about the allowed laytime of a vessel during loading, discharging, or lighterage. Fill Laytime Calculation Excel, Edit online. There are a few dissimilarities between Voyage Estimation for dry cargo ships and tankers. Easy to learn and use. The Shipping System: Laytime Calculation is developed by Burmester & Vogel. DESPATCH RATE 5,000 USD. Provides quick and easy to use laytime calculation forms. Otherwise, see Laytime Calculation. Where this is the case, the laytime calculation is shared on a pro-rated basis in proportion to the tonnage shipped by each vessel as a fraction of the overall tonnage. LAYTIME CALCULATION. What are the different types of Laytime?. Print. Nevertheless, a hatch that is capable of being worked by two gangs simultaneously shall be counted as two hatches. 2. Obtain the SOF from the vessel’s agent. If you create laytime calculations with multiple laytime periods, add the Laytime Commenced and Completed activities in Data Center > Port Activities. Reversible laytime calculations are not currently available, but are coming in version 2. 11-30-2022. When the Vessel reaches a place where she is able to tender . These timeframes can be categorized in various ways: Running days: Encompasses consecutive days, including weekends and holidays. Select the cells containing the times. A definição de laytime no dicionário é o período de tempo permitido por um armador para um transportador para realizar operações de carga ou descarga. Download Now. Download FREE Excel Timesheet Calculator Template. PDF | On Jan 1, 2016, Evi Plomaritou published Calculating Laytime (e-book) | Find, read and cite all the research you need on ResearchGate calculation Timesheets and Laytime calculation. The Standard Time Sheet (short form) was published in 1975 and is recommended by BIMCO and FONASBA (the Federation of National Associations of Ship Brokers and Agents) to assist in the calculation of laytime. This means that laytime includes Sundays and public holidays. m. Netpas Tramper Single License Policy. Under a time charter, the charterer hires the vessel for a particular period of time. 320475 21:40 Friday Laytime C 0. The laytime calculation is a function that uses the laytime agreement from freight contracts and the specific laytime events saved in the carrier nomination. This time period is called laytime. Print and share statements directly from Excel. File name: layt. The Laytime Calculator preserves all manually entered activity and deduction percentages, which appear in blue text, unless you reset them. In the freight contract you maintain information about the allowed laytime of a vessel during loading, discharging, or lighterage. LAYTIME CALCULATION VESSEL : B/L DATE : 5. Deadfreight and laytime calculation. Is the calculation of the rate of detention different from that of demurrage? Detention is classified as unliquidated damages and one of the main issues faced in a detention claim is calculating the quantum of the claim. Calculation of weather interruptions in weather working days 20 Saturdays and other incomplete days 25 Voylayrules 1993 27 Working days, running hours, running days, weather permitting 27. If, on the other hand, the bad weather occurs at a time outside working hours when no work could have been done in any event, the whole day counts as a weather working day and the. BE = Bunkering Ends. 2. Reversible laytime - an option given to the charterer to add together the time allowed for loading and discharging. FROM TO TO TIME TOTAL. Laytime in a charter party refers to the total allotted time that a charterer has to load and/or unload cargo to or from a vessel when it’s. Laytime Calculation can be divided into: 1. Praised for its unrivalled coverage and lucid writing style, this book provides a comprehensive overview of all aspects of laytime and demurrage,. “Laytime shall continue until the hoses have been disconnected”. File name: layt. A key factor is how long the voyage will take to perform. V. Easy-to-use calculation system for laytime and demurrage / despatchcalculation. Time saved in this case and despatch payable on 3 days. 40 pmtTime charter. (5500/1600) Time to count from: 0800, 23 November. Leverages your knowledge of Excel and the collaborative and mobility features of Microsoft 365. Compare actual laytime used (45. When enabled, the Laytime Calculator can calculate time used for warranty activities such as cargo document handling and cargo stripping. The ‘machine’ can then ‘read’ the laytime calculation and apply exceptions from a preselected set of rules created by a laytime expertwho can then check, edit and send to their counterpart. The Itinerary/Options tab cargo handling line includes the Supplier/Rcvr field, added with configuration flag CFGEnableCargoItReport this post Report Report. PDF | On Jan 1, 2016, Evi Plomaritou published Calculating Laytime (e-book) | Find, read and cite all the research you need on ResearchGateDeadfreight importance in Laytime Calculation. This will be equal to 0. Step 2. Benefits - Make right and quick decision by various analysis. Seperti contoh adalah kapal tiba 12 Juni, walaupun dimulainya pembongkaran muatan pada tanggal 18 Juni, maka laytime tetap dimulai pada tanggal 12 Juni asal terdapat NOR accepted dari charterer. used Demurrage/. Excellent article. The rate of demurrage is something that is a matter of commercial negotiation between the owners and the charterers. However on the other hand, accurate laytime calculation can save a lot of money. With Start times. •Make freight invoice, hire statement, laytime calculation and voyage economic evaluation •Negotiate and handle the claim for laytime, cargo damage, stevedore damage, vessel’s performance and other charter party terms Show less Ship Operation Dalian Shenghua Jul 2007 - Apr 2009 1 year. 72 hours or 38 hours, etc. exeNOR Tendered – Tuesday 03rd January 0935 Hours. So the correction to the forward draft would be 9. The features and calculation of laytime is vital importance for commercial shipping. ” Here’s another example of laytime calculation in a voyage charterparty agreement:Charterparty Terms: Allowed laytime for loading: 24 hoursAllowed laytime for discharging: 48 hoursDemurrage rate: $8,000 per day or pro-rataDespatch rate: 50% of demurrage rate; Timeline: Laytime calculations for tankers are exactly the same as those for dry-cargo vessels. The features and calculation of laytime is vital importance for commercial shipping. Enter the Vessel and Voyage. Where the option is exercised the effect is the same as a total time being specified to cover both operations. The laytime calculation software in VIP Claims allows you to calculate demurrage with precision and automate review and invoicing to enhance the accuracy and efficiency of internal procedures and processes. None. Right-click an itinerary line and click any of the following: Laytime calculation is one of the most laborious, objectionable and time-consuming tasks in the shipping business; however, if done accurately, it can save a lot of money. Lecture 8: Ever wondered How to Calculate Time for Cargo Operation?. The clause can specify separate laytime durations for loading and discharging, or alternatively, an overall laytime period. Don’t struggle any more with excel sheets. On average, an eSOF saves around 15-20 minutes per laytime calculation, and in cases with numerous stoppages, the time savings can be even more significant. Laytime Calculation. Port. Start and Finish your job with all-in-one solution, Tramper Single. 2. expiry of laytime. Multiple DA’s of particular voyages under. Laytime Calculation can be divided into: 1. Suggested text: When visitors leave comments on the site we collect the data shown in the comments form, and also the visitor’s IP address and browser user agent string to help spam detection. Despatch payable on "working time saved". To automatically calculate the next 4 days and dates when you enter a start date, use the formulas below. To set up multiple Demurrage Rates, right-click a port in a Laytime Calculation and click Demurrage/Despatch Rates. uu Laytime for discharging: 1200 MT per WWD SHEX. Obtain SOF from vessel’s agent. Learn More. 245–2. Shipbrokers and agents should be aware that no single issue occupies the minds of maritime lawyers more than the counting of loading and discharging time. Allowing for interruptions to laytime. This clause addresses when laytime should start to run. The Laytime Calculation is created from this form. Custom statement templating. Laytime and Demurrage is the leading authority for all queries pertaining to this vital aspect of maritime law. You can input port log to make detailed laytime calculation. 0. Such time ceases to count once the Berth becomes available. Laytime Calculation ( Excel Page ) Statement of Facts ( Excel Page ) Voyage Estimation ( Excel Page ) Gencon 94 CP blank ( PDF Page ) Annual Reports ( Excel Page ) Fixture Cover ( Excel Page ) Demurrage is a penalty for exceeding the agreed laytime. Laytime and Demurrage are probably the most important terms in a Charter Party and can have significant financial implications. No part of such charges should be capitalized. Ascertain time of commencement of laytime. A key factor is how long the voyage will take to perform. None. None. Spend less time on demurrage. Time saved in this case and despatch payable on 3 days. Deadfreight refers to the payment made by the charterer to the shipowner for the unused cargo capacity when the charterer fails to provide the agreed-upon cargo quantity. AA = Anchor Aweigh. CA = Free Pratique Granted. IMOS handles demurrage and despatch, and demurrage contract terms. Loading Port. 5. : +41 41 560 62 62 CH-6340 Fax. New users will be granted a free trial for 7 days. All standard Laytime Clauses, like full time counting, half. The Shipping System: Laytime Calculation is an application released by the software company. For example, if the cargo is to be discharged at "200 metric tons per workable hatch per day" the laytime can be calculated in a relatively simple manner. There are seven stages in a laytime calculation: 1,Read relevant clauses in the charter party. 사전에 대기 시간을 정의하는 것은 선적자가화물 적재 또는 운송 작업을 수행하기 위해 운송인에게 허용 한 기간입니다. Reversible laytime calculations are not currently available, but are coming in version 2. Laytime calculation is one of the most laborious and time consuming tasks. The Date Calculator adds or subtracts days, weeks, months and years from a given date. CD = Cargo Documents On Board. info@burmester-vogel. Using the data above the following statement of fact were obtained at the port Houston (loading Port) The vessel arrives on June 8, 2013, at 0800 hrs. For each port, time allowed and time used are automatically. This is the charge which is incurred to bring the asset to its working condition for the intended use. Accurate calculations for laytime and demurrage/despatch in minutes. The Delian Spirit [1972],” Mr Jackson said. Making easier your port call with more than a decade experience in dry bulk laytime calculations at your disposal. Sign, fax and printable from PC, iPad, tablet or mobile with pdfFiller Instantly. Laytimeの終了. . [2] [3] Under a voyage charter or time charter, the shipowner is responsible for operating the vessel, and the master and crew are the employees of the shipowner, not the charterer. If a ship surpasses this allotted time and remains at the port for an extended period, it incurs demurrage fees or fines, which are typically paid by the charterer to the ship owner. With our expertise in demurrage and demurrage issues you will find HubSE can provide you with the best solution and service available anywhere. Commencement of Laytime (Permulaan Laytime) Agreed Destination Laytime is time allowed to a vessel for loading and discharge of cargo, whereas demurrage is compensation for failure to load or discharge the vessel within laytime. When does it Commence?. Our Laytime Calculator delivers speed and ease of use to save you time and money. Port Activities are shown in a separate tab for each port, and an All Ports tab shows all activities in a single list, in chronological order. The general steps for a laytime calculation would include: Understanding of relevant clauses in the charterparty. To add deadfreight to a laytime calculation: In the Laytime Calculations module open applicable voyage - its detalis will display. We can boast true global business demurrage expertise. Yes. The burden is upon the owner if the charter indicates a specific berth, such as No. None. Yes, just enter the realistic START DATE, check the CUSTOM port stay button and enter the realistic port stay (e. 2. Laytime Calculator. Jump to Page . the period of time allowed by a shipowner to a carrier to carry out cargo loading or discharging operations. The interpretation of Ship’s Laytime Time Counting splits into two distinct parts: When Laytime Begins to Count. for Smarter Shipping. The demurrage rate agreed is $2000 per day. Would the calculation of deadfreight be affected by demurrage? In a charter where the laytime is proportional to the amount of cargo loaded and where there is no express deadfreight rate, owners’ deadfreight claim would need to take into account the credit for the increase demurrage earned due to the shorter laytimeLaytime = ----- = Days Daily Rate per Hatch X Number of Hatches serving that Hold. IMSBC Code circulars. In commercial shipping, laytime is the amount of time allowed [1] in a voyage charter for the loading and unloading of cargo. A standard method should be used but it should be mentioned here that various parties. Otherwise, see Laytime Calculation. Including laytime in the Voyage P&L is an important decision because demurrage and despatch amounts can have a significant. Europe: +49 (40) 229-8880. “However, the calculation of laytime gave rise to difficulty because laytime was not expressed as a period of days or hours, but in weather working days, which did not run when the weather prevented working, Saturdays, Sundays and holidays. AA = Anchor Aweigh. 0. Port Activities must be coded for laytime, so the Laytime Calculator knows how time counts toward. Charterparties. 94; Completion of laytime. 48264 days. Leverages your knowledge of Excel and the collaborative and mobility features of Microsoft 365. For example, Despatch on All Time Saved (ATS) Laytime allowed – 10 days; Sundays and Holidays Excepted. Delivered remote training and preparation of materials relating to. Powered by Credly, your Lloyd’s Maritime Academy Digital Badge is an online version of your credentials that contains a description of your Award, Demonstrated Skills and what it took to obtain your Certificate qualification. The Laytime Calculator works with the activities recorded in the voyage, across multiple ports and cargoes, whether or not laytime is reversible. Laytime clause: Laytime for Loading and. With the same vessel, you can evaluate and. After a fixture has been made and the vessel has commenced performance of the charter, "post-fixture activities" become important. 33 provides: ” Laytime or, if the vessel is on demurrage, demurrage shall run until the cargo hoses have been finally disconnected upon completion of loading or discharging, and the master shall procure that hose disconnection is effected promptly…”The Veson IMOS Platform handles demurrage and despatch, and demurrage contract terms. MARITIME CALCULATION TUTORIALS Dedicated tutors available to help you. This is a Key Topic, with high value for all users. Simply enter the ‘dem/des’ result number into the VMS. 6. Back SubmitOSIRIS CONSULTANTS LTD | 26 followers on LinkedIn. 7. Scenario 2: Loss of time after completion of loading or discharging respectively. System 5 generates a complete time-sheet, based on the statement of facts. Share. The discharging time actually used is 7 days. CA = Free Pratique Granted. Laytime expressed as a total daily rate basis—a specified number of available workable hatches 47 ix. If the intention of the respondents was to calculate the laytime on the basis of minimum/maximum quantity of cargo stored in the holds/hatches, it would have been so incorporated unambiguously in. On the laytime saved Owners have to pay back to Charterers at half the demurrage rate. Owners/Disponent Owners. A powerful and user friendly laytime calculation program saves you time, effort and money as you calculate. Laytime calculation is recorded on a laytime statement. The Cargo ID fields available in the activities and deductions grids indicate when a particular activity or deduction should only apply to some cargoes handled at that port. SOF Master is a full-featured of statement fact editor. The Laytime Calculator works with the activities recorded in the voyage, across multiple ports and cargoes, whether or not laytime is reversible. The Charterer furthermore has excluded from its laytime calculation ie time used to turn the vessel around to discharge the vacuvators sitting on the deck. What Time Counts and What Does Not. 575 days = 10 days 13 hours 48 minutes. If the laytime is exceeded, the shipowner has the right to claim vessel demurrage from the charterer based on the daily hire rate ($15,000 per day pro data). Where this is the case, the laytime calculation is shared on a pro-rated basis in proportion to the tonnage shipped by each vessel as a fraction of the overall tonnage. 0. In my last post on the topic of laytime -. 100% (2) 100% found this document useful (2 votes) 2K views 3 pages. Clause 13(1)(a) of Shellvoy 5 specifies that laytime can commence in two scenarios: 1) If the vessel proceeds straight to berth then time shall commence to run 6 hours after the vessel is in all respects ready to load or discharge,. Description: When enabled, each portcall will have a single tab in the laytime calculator, where activities and deductions for all cargoes handled at that port will be listed. Averaged Laytime: Averaged laytime is a type of laytime calculation where the time allowed for loading and discharging operations is averaged. All the essential tools including Laytime Calculator, Off Hire and more are provided for you to finish your job all at once. If Warranty Start and Warranty End activities are specified in the Laytime Calculation, a new Warranty details section appears in the Laytime Calculation and Port Details reports. Laytime and Demurrage is the leading authority for all queries pertaining to this vital aspect of maritime law. The interpretation of Ship’s Laytime Time Counting splits into two distinct parts: When Laytime Begins to Count. Let’s look at another example of reversible laytime calculation, this time involving demurrage. Our mission is to simplify the complex world of. In the calculation of Demurrage charges to the shipowner/port authority, the demurrage rate is multiplied by the number of days/part days over the agreed free days. Laytime Calculator Effect. Laytime Master is a full-featured laytime calculator and laytime statement editor. ; On the Vessel Schedule, right-click the. In the carrier nomination you maintain the events that. 14. But it also means that 25% go beyond the standard 12 hours and so allocating 12 hours for the voyage budget will not be. com. Record and review the interruptions to laytime as per the charter party. 2. Minimum system requirements: Windows 7 or up Minimum RAM required by Operating System; 100MB free hard drive space; Minimum monitor resolution of 1024 x 788LAYTIME shall mean the period of time agreed between the parties during which the owner will make and keep the Vessel available for loading or discharging without payment additional to the freight. The total laytime for loading and unloading is pooled together and can be used for either operation. Save Save Laytime Calculation. Commence loading June 10, 2013, 1100 hrs. 5 days Demurrage = $22,500. Lecture 7: Ever wondered what is Laytime? (Time Allowed for Cargo Operations). PER HATCH PER DAY shall mean that the Laytime is to be calculated by dividing theSave Save Laytime Calculation For Later. Would the calculation of deadfreight be affected by demurrage? In a charter where the laytime is proportional to the amount of cargo loaded and where there is no express deadfreight rate, owners’ deadfreight claim would need to take into account the credit for the increase demurrage earned due to the shorter laytimeThe per day discharge rate indicated in the Charter Party is applicable to the entire Bill of Lading Quantities for calculation of allowable laytime. Guidance on laytime and detention and example calculations for sub-clause (e) (ii) of the BIMCO Cargo Fumigation Clause for Charter Parties. This is a ready-to-use template that you can manage your timesheet. Demurrage: 1d 9h 34m @ $ 1800. The laytime determined by a contract, which is the exchange of obligations and the distribution of risk between the owner and the charterer. Try our effortless “Laytime Calculator”. You are on page 1 of 79. None. Tutor: Lis-Anne. Computer Software is available for the calculation of laytime. Print and share statements directly from Excel. Lindenstrasse 2 Tel. BS = Bunkering Starts. There are a few dissimilarities between Voyage Estimation for dry cargo ships and tankers. Port Charge & Canal Toll Calculator. It explains the main clauses and terms of the agreement, such as the description of the vessel, the cargo, the voyage, the freight, the laytime and the demurrage. The word consecutive was introduced. Such examples could be “Sundays and Holidays included” (“SHINC”) or “Fridays and Holidays excluded” (“FHEX”), and so on. a. You can print laytime calculation. Notice at loading port to he given to the shippers named in Box. The system calculates the demurrage fee based on the potential or actual laytime, the contractually allowed laytime, and the demurrage fee maintained in the freight contract. Demurrage period allocation is based on the Apply Demurrage to Period P&L calculation option and Net Demurrage Days (Gross Less Deductions). Lay time. It has continued to offer reliable, authoritative, and in-depth analysis since the first edition published in 1986. fLaytime Method.