Below is a list of common questions that are asked by users of HDM-4 software.

1. WORKSPACES: Can we open HDM-4 Version 1.x workspaces in HDM-4 Version 2.0?
2. INSTALLATION: What are the minimum system requirements for HDM-4 Version 2.0?
3. INSTALLATION: How do we install HDM-4 Version 2?

WORKSPACES: Can we open HDM-4 Version 1.x workspaces in HDM-4 Version 2.0?

HDM-4 Version 2.0 cannot open databases created with HDM-4 Version 1.3, however a software tool is included to enable the migration of existing data to the new data format. This topic is covered in the "Getting Started With HDM-4 Version 2.0" manual which is included with the software and is available as a free download. The introduction to the relevant section is copied below, but you should refer to the manual for further details.

Extract...

Using Existing Data with Version 2.0

Overview

There have been extensive changes in the handling and organisation of data, as well as the introduction of new functionality within HDM-4 Version 2.0. It is therefore not possible to directly use existing HDM-4 Version 1.x data. It is realised that the existing data stored in Version 1.x is valuable to an organisation and therefore a tool has been developed to aid the migration of this data into a format that can be used in Version 2.0.

The HDM-4 Data Migration Tool aims to take an existing HDM-4 Version 1.3 workspace and re-organise and reformat the data to conform to that required by HDM-4 Version 2.0. After running the HDM-4 Data Migration Tool the user should review the data to ensure its integrity prior to running an analysis and publishing the results. Due to the model changes that are included in HDM-4 Version 2.0 the user should pay particular attention to the calibration of the deterioration models and the works trigger conditions and effects.

INSTALLATION: What are the minimum system requirements for HDM-4 Version 2.0?

The recommended minimum platform requirements for running HDM-4 are as follows:

• Microsoft Windows 98/NT/2000/XP * (XP recommended)
• 128Mb RAM (512Mb recommended)
• Super VGA (1024 x 768) or higher-resolution display
• 50Mb of free disk space for program files and documents
• Additional free disk space for run data (varies based on analysis size)

* Administrator privileges will be required to install the necessary system components. The use of HDM-4 Version 2 on Vista is currently being evaluated.

HDM-4 is a sophisticated modelling tool which involves many processor intensive calculations. As such, execution speed is significantly affected by the specification of the PC on which it is to be run. The above platform requirements are the minimum recommended. Obviously, the performance will improve in relation to the specification of your PC.

INSTALLATION: How do we install HDM-4 Version 2?

Installing HDM-4 Version 2 is described in the HDM-4 Documentation Series - Volume 3 - Software User Guide. The documentation is available on the CD which you obtain from the sales team when purchasing HDM-4 Version 2 Software Package. The appropriate extract from that documentation is also available below in PDF format:

• Installing HDM-4 Version 2 (English) :
• Installing HDM-4 Version 2 (French) :