BIM建筑信息模拟组件库设计指南

Disclaimer
The copyright of the material published in this [BIM Library Components Design Guide] (Material)
is owned by the Hong Kong Housing Authority unless otherwise stated. Extracts or small parts or
portions of the Material may be used, copied, reproduced, reprinted, modified, reviewed or translated
for research or other educational purposes provided that the user shall assume the entire risk of using
the Material and an acknowledgment of the Hong Kong Housing Authority as the source is expressly
stated, and the Hong Kong Housing Authority and its officers, employees, representatives and agents
shall in no event be held liable to any person or party for any damages (whether direct or indirect, or
incidental or consequential) arising from or in connection with any use of the Material or otherwise.
Neither reproduction nor translation of substantial parts or portions of the Material for educational
purposes, nor use of the Material for purposes other than educational purposes, shall be permitted
without the prior written authorization of the Hong Kong Housing Authority.

Table of Content
1. Introduction
2. Design Consideration (Libraries)
3. Naming Convention (Libraries and Parameters name)
4. Standard Procedure of creating Libraries
5. Material, Colour, Line style of the Libraries
Appendix 1 – Example of component and its parameters
Appendix 2 – Example of Group Models
Appendix 3 – Publishing
Appendix 4 – System Requirements

1. Introduction
Development and Construction Division (DCD) of Hong Kong Housing Department (HD) is
responsible for
• Monitoring Public Housing Construction Programme
• Monitoring Housing Monitoring Information System
• Commenting on territorial / district / local planning studies and planning standards and
guidelines
• Reviewing and formulating strategies and policies as well as preparing and implementing
pertinent legislation with regard to construction of public housing
• Formulating and implementing corporate procurement, safety and environmental management
strategies
DCD is a multi-disciplinary setup with professionals from Architecture, Structural Engineering,
Building Services Engineering, Civil Engineering, Geotechnical Engineering, Quantity Surveying,
Landscaping, etc. With the implementation of Building Information Modelling (BIM) in DCD,
electronic models would be developed and carried throughout the project lifecycle from feasibility
studies, schematic design, details design, analysis, construction and maintenance. Standards and
guidelines are important for effective model building, electronic file exchange, data and information
compatibility, people communication, not only for in-house staff, but also for our consultants and
contractors.
During our development of in-house BIM Standards in year 2008, there was no standards and
guidelines widely accepted as the de-facto standards in the industry in Hong Kong. It was prepared
based on existing HD CAD standards which has been used, updated and proved to be workable for
more than 20 years, also incorporated inputs and best practice from industry. New elements were
added in developing this guideline to include additional features provided in BIM which did not
exist in two-dimensional (2D) environment. The BIM Standards developed was meant to be
software neutral and applicable to any BIM software.
We had removed unnecessary details and retain only essential elements so that make the guideline
simple to read and follow. By no mean this guideline is perfect and comprehensive. We wish this
could form a basis for continuous improvement as we anticipate that the BIM technology will be
changing quickly. We welcome suggestions and expert advice from in-house staff as well as industry
practitioners.
Suggestions, comments and other matters related to this document can be written to
Mr. David Mak, Senior Manager / Business Information Technology (Construction)
(email: davidsk.mak@housingauthority.gov.hk) of Housing Department.

2. Design Considerations for creating Revit families
Before creating a family in Revit, users should consider the following questions regarding their
intended use of a family
What size(s) does this family come in?
Is this a custom piece of furniture that only comes in one configuration, or is this a window that is
available in several preset sizes? Perhaps, this is a bookshelf that can be built in any length from
between 600mm to 1500mm wide. This is an important point to consider before building a family, as
it will dictate decisions that need to be made in the near future.
How should this family appear in different views?
Is this an object that should be seen from plan view, elevation view, and/or sectional views? Maybe
this is a 2D object that should only be seen in plan or elevation. In any case, the way that this object
should appear in views will determine how to define its visibility.
Does this family require a host?
Is this family typically attached to another design element - a wall, or maybe a ceiling? Possibly it is
a roof mounted mechanical unit. How this family is hosted (or what it does or does not attach to) will
determine which template file should be used to start the family.
How much detail should be modelled?
Is this family an electrical wall outlet that will only be seen in interior elevations from a distance, or
is it a door family with raised panels and a sidelight that will be seen in an interior rendering of the
project? This determination will help decide how much detail to provide in the family.
Where should the origin point be?
Is this a column family that would use the center of the circular base as the insertion point, or is this
an accessible toilet that must always be placed some distance off the adjacent wall to meet code?
This decision will help users when they start placing geometry.

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