Makai Ocean Engineering, Inc.

- Submarine Cable Planning Software


MakaiPlan is a software product which can be used to create submarine cable routes, define cables and in-line bodies, edit routes, define and adjust slack, instantly create an RPL and SLD, estimate costs and plan the installation of a submarine cable along the route. MakaiPlan allows multiple planners and designers to interactively work on cable installations with easy access to and exchange of project data. MakaiPlan works on your PC in Windows NT, 2000, and XP. If you know how to use other Windows programs and are familiar with cable planning, you already know 90% of what is needed to plan a cable route with MakaiPlan.

MakaiPlan has been created by Makai Ocean Engineering, the company that introduced 3D dynamic submarine cable laying control to the industry and has developed the most complete and accurate programs available today for controlling and simulating submarine cable laying. MakaiPlan has become the standard software for submarine cable route planning with over 120 licenses sold.

The power of GIS:

MakaiPlan works with a modern GIS (Geographic Information System) to provide access to databases for bathymetry, shorelines, soils, existing cables, survey data, navigational charts, and other geographically distributed data. MakaiPlan uses tools from GeoMedia© by Intergraph, has an open file structure, and can access a variety of standard GIS databases. MakaiPlan can also import and properly translate data from other GIS databases in a variety of formats, projections and datums.

Route Definition:

With MakaiPlan, you start with a map of the world. You define your region of operation and you import available information. MakaiPlan allows you to enter regional shoreline and bathymetric data (global bathymetric data and shorelines are included with MakaiPlan). You can create cable routes via point and drag, by entering precise coordinate points, by reading an existing RPL or by letting MakaiPlan automatically position a great circle route in a series of Rhumb lines. All computations and Kp route distances are accurately computed and displayed. The route can consist of any number of A/C points, as well as buried sections and special events. Slack is part of the route definition and both bottom and surface slack are shown.

Define your Cable:

The user can define the cable with cable types, transition points, and any user-defined cable body. The cable types, repeaters, splices, and other cable bodies are precisely located along the route accounting for proper distribution of cable slack. Adjustments can be easily made to properly configure the cable. MakaiPlan works in two different modes. Flex mode (during initial route planning) allows you to alter the cable length to achieve particular bottom slack conditions. Fixed mode (after cable is manufactured) allows you to fix the cable length so that any changes in the cable parameters will change the slack rather than the cable length. MakaiPlan creates an SLD which can be displayed, printed or exported into other Windows programs.

Instant Profiles:

MakaiPlan immediately computes the bottom profile along the selected route based on either contour or point data. Profiles are displayed and slopes are computed.

By zooming and panning along the route in both the plan and profile views, an optimal route can be easily found. Dual locators link the two views so that problems and solutions can be easily identified and quickly resolved.

Fast and Accurate RPL:

You can instantly complete a detailed and accurate RPL which can be edited, exported, reversed or split into separate cable lays.


Installation cost estimates can be compiled by MakaiPlan from input such as ship costs, laying speeds, special events, burial costs and cable costs. Cable laying speeds can be defined and cable deployment angles are computed and displayed for comparison to the bottom slope. Slack adjustments are easily made to the RPL to account for the final as-loaded cable configuration. Varying ship speed, changing lay direction, and cutting the RPL into several lay segments are easily accomplished with MakaiPlan.


The real power of MakaiPlan is the ease of editing the cable and route information as conditions change throughout the planning and installation process. Editing a route is easily performed by point and drag or precise re-entry of data. As additional information is added to the GIS database (final bathymetric survey, as-loaded cable, cable lay direction or speed), the route and cable can be quickly and accurately edited to accommodate the needed changes. As a result, the plan is interactively created and modified based on the latest available information.

3D Bathymetry:

Using the new Makai Digital Terrain Modeling (DTM) software, MakaiPlan allows you to accurately process and visualize large amounts of point data collected along an entire surveyed area in order to identify any potential hazards for plowing or surface lay operations. The new module allows you to load, process and edit the survey point (x,y,z) data, create grid files using a variety of methods, create user definable contour colored and shaded relief maps, superimpose the RPL on any of the created maps and quickly generate accurate slope graphs along and across any desired route section. All the maps created can be automatically geo-referenced as Geotiffs and viewable as layers on the main MakaiPlan GIS window.

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