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industrialised building systems_achah

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industrialised building systems_achah

  1. 1. INDUSTRIALISED BUILDING SYSTEMS (IBS) PN. NOOR AISYAH ASYIKIN
  2. 2. CONTENT • WHAT IS IBS? a. Definition b. Characteristis c. Types of IBS • WHY IBS? a. Scenario in Construction Industry b. Social Problems c. Benefits
  3. 3. CONTENT • MODULAR COORDINATION a. Definition b. Benefits • ADVANTAGES & PROBLEMS FACED BY IBS • CHALLENGES IN IBS • TUTORIAL
  4. 4. 1. WHAT IS IBS? IBS may be defined as building systems in which structural components are manufactured in a factory, on or off site, transported and assembled into a structure with minimal additional site works.
  5. 5. 1. WHAT IS IBS? • IBS is one of the improved building systems that are being introduced to achieve the target of faster completion with mass production of the building elements in places out of its final location in a building. • It has been proven successful in some countries, namely Finland, Denmark, Netherlands, Singapore, England and the United States. • MALAYSIA ???
  6. 6. 2. CHARACTERISTIC • Industrial production of components though prefabrication, “OR” sometimes highly mechanised in-situ processes i.e. permanent steel formworks, tunnel forms, etc. • Reduced labour during prefabrication of components and site works. • Modern design and manufacturing methods involving Information Technology i.e usage of Computer Aided design (CAD) and Computer Aided Manufacturing (CAM).
  7. 7. CHARACTERISTIC • Systematic Quality Control i.e ISO 9000 principles. • Open Building Concept* i.e permitting hybrid applications, and adaptable to standardization and MC (Modular Coordination) Is a system which allows the production of building components by various factories and to be compatible with each other to be used in any building project.
  8. 8. There are various Industrialised Building Systems (IBS) used throughout the world, and they can be classified into three major categories. According to Junid (1986), the typical classifications are as follows: Typical classification of IBS Frame or post and beam system Box systemPanel system
  9. 9. In the evaluation of the systems, various parameters such as the industrialised process used 1 , the transportation 2 and erection problems, architectural features 3 and the sosio-economic problems must be considered.
  10. 10. a. FRAME SYSTEM • Frame structures may be defined as those structures that carry the loads through their beams and girders to column and to the ground • Their important feature is the capacity to transfer heavy loads over large spans. • Used in the construction of bridges, parking lots, warehouses, industrial buildings, sport facilities and so on.
  11. 11. FRAME SYSTEM
  12. 12. b. PANEL SYSTEM • Panel system may be defined as those structures that carry the load through large floor and wall panels. • Concrete panel systems are extensively used in Europe for high rise building for ease of construction purpose. • Used in Hollow core slabs, Interior & Exterior Wall
  13. 13. PANEL SYSTEM Hollow Core Slab Wall
  14. 14. c. BOX SYSTEM • Box system may be defined as those systems that use 3D modules (or boxes) for fabrication of habitat units. • The main features of this system are in the internal stability as it can withstand load from various directions. • Require only large prefabricated sections to be transported or handled at one time.
  15. 15. BOX SYSTEM •
  16. 16. Classification for Types of IBS Used in Malaysia 1.Precast concrete framing, panel and box systems 2.Steel formwork systems (tunnel forms, tilt-up systems, beams and columns moulding forms, and permanent steel formworks) 3.Steel framing system (steel trusses, columns beams and portal frame systems) 4.Prefabricated timber framing systems (prefabricated timber trusses beams and columns) 5.Blockwork systems (interlocking concrete masonry units (CMU) and lightweight concrete blocks)
  17. 17. WHY IBS?? Scenario in Construction Industry Compared to other sectors, the construction industry suffers from low productivity, safety and quality control. Due to the traditional labour-intensive practices, the 3- D Syndrome (Dirty, Difficult & Dangerous) has always been associated with the construction industry
  18. 18. CONSTRUCTI ON INDUSTRY MESSY SITES HIGH WASTAGE LABOUR INTENSIVE LOW QUALITY DELAYS
  19. 19. WHY IBS?? SOCIAL PROBLEMS •FOREIGN WORKERS ~ (75 :100 @ 3: 4) •OUTFLOW OF THE RM ~ EFFECT THE ECONOMY.
  20. 20. BENEFITS 1. Reduction of site labour 2. Minimal wastage 3. Less site material 4. Cleaner environment 5. Controlled quality 6. Neater and safer site 7. Faster Project Completion 8. Lower total construction cost (due to the above)
  21. 21. Modular Coordination (MC) & Standardization • The usage of MC is an important factor in effective IBS application and it complements industrialisation by standardization. • MC is an international system that standardizes measurements in buildings. • Based on the ISO standards, it is formulated to coordinate the positions and dimensions of components and spaces in building designs.
  22. 22. CLASS DISCUSSION In a group of 5~6 members, discuss the below question and present. (Everybody should give points and eleborates it to the class!!!)
  23. 23. CLASS DISCUSSION 1. WHAT IS THE BENEFITS OF IMPLEMENTING MC?? 2. WHAT IS THE ADVANTAGES OF USING IBS?? 3.WHAT IS THE PROBLEMS IN
  24. 24. BENEFITS 1. Facilitates cooperation between designer, manufacturer, distributor, contractor & authorities. 2. Dimensioned : standard components without restriction on freedom of design. 3. Optimizes the number of standard sizes of building components.
  25. 25. BENEFITS 4. Permits a flexible types of standardization. 5. Encourages interchangeability of components.(material, forms or methods of manufacturer). 6. Simplifies the site operations. 7. Ensures dimensional coordination between installation.
  26. 26. IBS : ADVANTAGES • Low site workers requirement due to simplified construction methods. • Quality-controlled and highly aesthetic end products through the processes of controlled pre-fabrication and simplified installations. • Reduction of construction materials at sites through usage of pre-fabricated components.
  27. 27. IBS : ADVANTAGES (CONT’D).1 • Reduction or elimination of conventional timber formworks; replaced by pre-fabricated components and alternative moulds with multiple-usage capability. • Reduction or elimination of props due to the absence of conventional timber props and the usage of pre-fabricated components.
  28. 28. IBS : ADVANTAGES (CONT’D).2 • Reduction of construction waste with the usage of the standardized components and less in-site works. • Cleaner sites due to lesser construction waste. • Safer construction sites due to the reduction of site workers, materials and construction waste
  29. 29. IBS : ADVANTAGES (CONT’D).3 • Faster completion of construction projects due to the usage of standardized pre-fabricated components and simplified installation processes. • Cheaper total construction costs; made possible due to all of the above.
  30. 30. PROBLEMS FACED BY IBS Only 15% contractors using IBS, WHY??
  31. 31. PROBLEM… Lack of Expertise / Experience • Lack of experience practicing / designing IBS by consultants/contractors /clients • Short experience workers (manufacturing & installtion) • Defects works by previous pre-cast systems. • QS lack of experience pricing the IBS projects. Cost • Only 15% contractors using IBS, because the LOW labour cost in this country is the root causes. • Labour cost is cheap, so WHY IBS?? (wrong mind-set)
  32. 32. CHALLENGES IN IBS • A pre-requisite for IBS is the adoption of MC by all parties from the submitting technical consultants to the approving authorities. • In Malaysia, MC is hardly used in building design. • The reality in our context is that most building specialist still apply measurements in terms of feet, e.g 18f, instead of 6 m houses. • Public and private sectors would need to play their roles in educationg the local construction industry player.
  33. 33. CHALLENGES IN IBS • Aside from voluntarily changing in mind-set, there must be some push factors to catalyse the shift in mind- set. • Incentives and regulatory requirements for the introduction and adoption of IBS should be the next concrete plan of action to be spreadheaded by CIDB.
  34. 34. End of IBS … SEQUENCE OF ACTIVITIES OF IBS CONSTRUCTION METHOD
  35. 35. IBS PROJECTS IN MALAYSIA
  36. 36. End of IBS …
  37. 37. End of IBS …
  38. 38. TUTORIAL 1) April 2008, Q4 (a) Discuss whether the implementation of Industrialized Building System can reduce the cost of a building construction. (10marks) TIPS: *5 points x 2 marks = 10marks. (Depend on the arguments & explanations) ~ it can be YES or NO answer.
  39. 39. TUTORIAL 2) October 2007, Q3 “The Industrialised Building Systems (IBS) is a construction process that utilizes techniques, products, compenants, or building systems which involved prefabricated components and on-site installation”. Based on the above statement, discuss the benefit of the IBS implementation. (25marks) TIPS: * To discuss at least 10 point ; each point is 2.5 marks.
  40. 40. TUTORIAL• 3) April 2010, Q4 b Discuss the benefits of the IBS implementation in the Malaysian Construction Industry. (15 marks) : TIPS: How many points? At least give 7 points !! • 4) Oct 2009, Q3 (b) Industrialised Building System would be suitable for many types of construction project in Malaysia. Discuss this statement. (15 marks). TIPS: * To discuss about the benefits / characteristics, whereby can suit with the construction projects.
  41. 41. TUTORIAL 5) April 2009, Q4 (b) In the research and development for IBS, how can pre-stressing be integrated in the development and successful implementation of such system through advance development and technology of building material. (15 marks). TIPS: *Pre-stressing?..what component can be used?.. Types of IBS systems can integrate with this P/S method?? Give examples, including the benefits of using Pre-stressed in IBS systems.
  42. 42. TUTORIAL 6) Oct 2010, Q5 (b) Define Industrialised Building System (IBS) and discuss its suitability for use in the Malaysian Construction Industry (13 marks). TIPS: *To define IBS (@ 2 marks for definition, you give example, add 1 marks). Suitability ?? May include the advantages points, however, must elobrate it within Malaysian Construction Industry scope, (5 points + 5 explaination = 10marks).

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