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    Building Services Engineering (BSE) Design: Detailed Design 屋宇裝備工程設計: 詳細設計
    Detailed Design
    The Design Process

    At the concept design stage, some initial concepts are explored and drawings or models produced accordingly. These concepts are then narrowed down to produce a scheme design, the general arrangement of the favoured or proposed schemes. The detailed design would reflect the chosen solution and would include accurate plant and services distribution sizing, and plant room layouts. The drawings/models would be in double-line format at this stage. At the end of this stage there would be sufficient information produced to allow the project to be successfully tendered and priced.

    Detailed design is sometimes referred to as 'developed design' or 'definition'. It is the process of taking on and developing the approved concept design. By the end of the detailed design process, the design should be dimensionally correct and co-ordinated, describing all the main components of the building and how they fit together. However, technical aspects of the design may require further development, design by specialists may not yet have been fully incorporated into the design and it will not have been packaged for tender. Detailed design should provide sufficient information for applications for statutory approval to be made.

    Design Tasks

    Based on the RIBA Plan of Work, this design stage can be divided into two phases and the main objectives of the design tasks are shown below.

    (a) Developed Design (Spatial Coordination)
    • Develop the concept design to include detailed information
    • Confirm and finalise all design requirements and solutions
    • Prepare and apply for detailed planning permission and statutory approval
    (b) Technical Design
    • Prepare technical designs and specifications (for tendering and installation)
    • Complete design coordination and integration
    • Finalise details on calculations, drawings, zoning, interface and schedules

    BSE Team Working

    To enable efficient teamwork, each student group should clearly identify the division of works and expected roles/contribution of each team member. Usually one student will act as the leader or coordinator for the project team. It is recommended that the students should divide the works into the following areas of building services design but they do not have to cover all the areas.

    • HVAC: Heating, ventilating and air conditioning systems
    • ELEC: Electrical power supply and distribution
    • FSS: Fire services systems
    • P&D: Plumbing & drainage systems
    • LTG: Lighting system design
    • GBD: Green building design and sustainability

    BSE Design Issues

    When developing the detailed design, students should consider the important design requirements affecting the planning and implementation of the building services systems. A list of the typical design issues is given below as general guidance only (and they are not exhaustive). If needed, students may consider and propose their main design concerns and they should discuss and confirm with the design tutors before including them.

    • BIM project execution and implementation
    • Design coordination (with other disciplines and among different building services systems)
    • Energy efficiency (building energy design and performance modelling)
    • Performance targets against design criteria
    • Installation, testing and commissioning
    • Measurement and verification (of the building or system performance)
    • Operation and maintenance
    • Preliminary cost estimate and cost plan

    Each student group should examine the major design tasks and deliverables appropriate for their building project with the aim to develop sufficient design information for the client and whole project team to proceed to the next stage of the design process. Typical examples of the design tasks and deliverables are shown as follows.

    • Developed single line diagrams and schematics showing connections to all equipment (equipment, cables, pipes, ducts, circuit breakers all sized)
    • Developed drawings (sections as necessary) indicating finalised plant room locations, risers and service routes, initial reflected ceiling plans.
    • Utilities connections: Finalise utility connections/installations and liaise with local authorities
    • Equipment: Confirm sizing and generic selection, develop schedules
    • Materials and equipment: Prepare preliminary schedule(s) of major equipment and sub-systems
    • Distribution: Confirm sizes for services distribution and containment networks (ducts, cables, pipes, cable trays) including allowance for access and maintenance.
    • Interface requirements: With existing buildings and equipment, and with other disciplines.
    • Zones: Finalise zoning plans for all services

    Resources:

    Design guides:
         Useful references:
    • Churcher D., Ronceray M. & Sands J., 2018. Design Framework for Building Services, 5th ed., BG 6/2018, Building Services Research and Information Association, Bracknell, Berkshire, England.
    • Hall F. & Greeno R., 2017. Building Services Handbook, 9th ed., Routledge, Oxon & New York. [HKALL]
    • Hall F. & Greeno R., 2013. Building Services Handbook, 7th ed., Butterworth-Heinemann, Oxford, U.K. [HKALL][690 H17][6th ed.: ebook via ebrary]
    • Hawkins G. (ed.), 2011. Rules of Thumb: Guidelines for Building Services, 5th ed., Building Services Research and Information Association, Bracknell, Berkshire, England. [HKALL][697 R935]
    • Pennycook K., 2007. Design Checks for HVAC: A Quality Control Framework, BSRIA Guide BG 4/2007, 2nd ed., Building Services Research and Information Association, Bracknell, Berkshire, England. [HKALL][697 R1][AV 697 P416]
    • Pennycook K. 2006. Design Checks for Electrical Services, Application Guide BG 3/2006, Building Services Research and Information Association, Bracknell, Berkshire, England. [HKALL][628.0941 P41][AV 621.31924 P41 d]
    • Pennycook K. 2006. Design Checks for Public Health Engineering, Application Guide BG 2/2006, Building Services Research and Information Association, Bracknell, Berkshire, England. [HKALL][621.31924 P4][AV 621.31924 P4 d]
    • Tudor R., 2017. Building Services Reports, BG 71/2017, Building Services Research and Information Association, Bracknell, Berkshire, England. [CIS E-database]
      • Developed design reports [PDF]



    | Created: Nov 2020 | Update: 26 Feb 2024 |