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Micce 2010 Peb Presentation (2) By Habibie Razak Cm4 2

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  • 1. The Use of Pre-Engineered Building System in Mining Industries; the Implementation of Value Engineering Concept in Optimizing Project Cost (Case Study: Fire Station and Emergency Clinic Project) 1 st MICCE Makassar, Indonesia March 2010 Presented by Ir. Habibie Razak, IP Ir. Hajar Aswad
  • 2. AGENDA
    • Value Engineering in Construction Project
    • Pre-Engineered Building System, an Alternative Design to Implement Value Engineering Concept
    • Use of PEB in Mining Industries, Case Study: Fire Station and Emergency Clinic Building Project; the Implementation VE Concept
    • Lessons Learned and Recommendation
  • 3. Value Engineering in Construction Project
    • VE is a systematic evaluation of a project design to obtain the most value for every dollar of cost. By carefully investigating costs, availability of materials, construction methods, shipping costs or physical limitations, planning and organizing, cost/benefit values, and similar cost influencing items, an improvement in the overall cost of a project can be realized.
    • 4 Fundamentals of VE
    • Function = specific purpose or use intended for something
    • Worth = least cost required to provide the function
    • Cost = total amount of money required to obtain and use the function
    • Value = worth = utility
    • cost cost
  • 4. Opportunity for Value Engineering: VE by the Architect or Engineer, VE by Contractor Opportunity for VE by the Contractor Opportunity for VE by the Architect or Engineer Level of Activity Time Project/Phase Start Project/Phase Finish Feasibility Study Phase Design Phase Procurement Phase Construction Phase Start-up Phase Operation & Maintenance Phase Initiating Processes Planning Processes Controlling Processes Closing Processes Executing Processes
  • 5. Methods of Value Engineering used by Engineers
    • Design concrete structures with as many duplicate members as is practical to allow the reuse of forms without rebuilding
    • Confine design elements to modular material sizes where possible
    • Simplify the design of the structure wherever possible
    • Design for the use of cost-saving equipment and methods
    • Eliminate unnecessary special construction requirements
    • Design to reduce the required labor to minimum
    • Specify a quality of workmanship that is consistent with the quality of the project
  • 6. Methods of Value Engineering used by Engineers (Continued)
    • Furnish adequate foundation information wherever possible
    • Refrain from requiring the contractor to assume responsibility for information that should have been furnished by the engineer, or for the adequacy of the design
    • Use local materials when they are satisfactory
    • Write simple, straightforward specifications that state clearly what is expected of the contractor. Use standardized specifications that are familiar to most contractors whenever possible
    • Hold preconstruction conferences with contractors to eliminate any uncertainties and to reduce change orders resulting from misunderstandings to a minimum
  • 7. Pre-Engineered Building System, an Alternative Design to Implement Value Engineering Concept
    • In structural engineering, pre engineered buildings (PEBs) is constructed using a pre-determined inventory of raw materials that can satisfy a wide range of structural and aesthetic design requirement.
    • The primary framing structure: build up of I shaped members, often referred as I beams.
    • The I beams used are usually formed by welding together steel plates to form the I section. The I beams are then bolted together to form the entire frame of the Pre-Engineered Building.
    • Some manufactures taper the framing members (varying in web depth) according to the loadings with larger depths in the areas of highest stress.
  • 8. Pre-Engineered Building System, an Alternative Design to Implement Value Engineering Concept (Continued)
    • Basic Building Parameter of Pre-Engineered Building
    • Building Width
    • Building Length
    • Building Height
    • Roof Slope
    • End Bay Length
    • Interior Bay Length
    • Design Loads
  • 9. Basic Building Parameter of PEB
    • Building Width
    • is defined as the distance from outside of eave strut of one sidewall to outside of eave strut of the opposite sidewall
    • Building Length
    • the distance between the outside flanges of end-wall columns in opposite end-walls is the building length. It is a combination of several bay lengths
    • Building Height
    • is the eave height which usually is the distance from the bottom of the main frame column base plate to the top outer point of the eave strut
  • 10.
    • Roof Slope (x/10):
    • This is the angle of the roof with respect to the horizontal. The most common roof slopes are 0.5/10 and 1/10. Any practical roof slope is possible.
    • End bay length :
    • The distance from outside of the outer flange of end-wall columns to center line of the first interior frame column.
    • Interior bay length :
    • The distance between the center lines of two adjacent interior main frame columns. The most common bay lengths are 6 m, 7.5 m and 9 m.
    • Design Loads :
    • Usually:
    • Roof Live Load: 0.57 kN/m2 Design Wind Speed: 110 km/h
    Basic Building Parameter of PEB
  • 11. Advantages of PEB
    • Structure weight
    • Lighter 30%, primary framing members are tapered built up sections with larger depths in the areas of highest stress
    • Design
    • Quick and efficient since mainly formed of standard sections and connections
    • Using software analysis for calculation and drawings
    • Foundations
    • Simply design, easy to construct and lightweight
    • Erection simplicity
    • faster in erection, supported by vendor’s erection supervisor
  • 12. Advantages of PEB (Continued)
    • Seismic resistance
    • The low weight flexible frames offer higher resistances to seismic forces
    • Overall prices
    • Price per square meter may be as much as 30% lower than conventional steel
    • Sourcing and coordination
    • Supplied complete with cladding and all accessories
    • Cost of change
    • Little or no material is wasted even if a change of order is made after fabrication starts
  • 13. Applications of Pre-Engineered Buildings
    • Industrial
    • Factories
    • Workshops
    • Warehouses
    • Cold stores
    • Car parking sheds
    • Slaughter houses
    • Bulk product storage
    • Commercial
    • Showrooms
    • Distribution centers
    • Supermarkets
    • Restaurants
    • Offices
    • Service stations
    • Shopping centers
    • Institutional
    • Schools
    • Exhibition halls
    • Hospitals
    • Theaters
    • Auditoriums
    • Sports halls
  • 14. Applications of Pre-Engineered Buildings
    • Heavy Industrial
    • Cement Plants
    • Steel rolling mills
    • Sugar mills
    • Ceramic factories
    • Aviation & Military
    • Aircraft hangers
    • Administration Buildings
    • Residential barracks
    • Support facilities
    • Recreational
    • Gymnasiums
    • Swimming pool enclosures
    • Indoor tennis courts
    • Agricultural
    • Poultry-Dairy Farms
    • Greenhouses
    • Grain storage
    • Animal confinement
    • Pump stations
  • 15. Use of PEB in Fire Station and Emergency Clinic Building Project; the Implementation of VE Concept
    • Project Overview
    • Project objective is to build a new facility for Fire Station for reliable operation to back up the existing operation especially to response emergency cases. The new building will accommodate office staffs, training room, parking of fire truck equipment, gymnasium and include clinic facilities
    • Project Owner: General Manager EHS PT Inco
    • Scope of works: comprised geotechnical/civil and structural, mechanical, electrical and instrumentation
    • Project team were taken from Central Engineering PT Inco consist of project manager, project engineer, design engineer (civil, mechanical, electrical and instrument)
  • 16. Building Layout
  • 17. Key Aspects to Decide using PEB System on Design Phase
    • Budget constraint
    • Less budget allowed by business case that was presented by project sponsor
    • Time consumption
    • More time required to develop design calculation, detail drawing and so on by in-house engineering. By PEB concept, project engineer only sent the building parameter to vendor (drawing layout and specifications)
    • Bidding list had also shown the price differences between conventional steel and pre-engineered building. It was proven from in-house engineering designs using conventional steel, the price of PEB is 30% cheaper
  • 18. Comparison between PEB and Conventional Steel Price
  • 19. Cross Section of Structures resulted from In-house Engineering Design Calculations
  • 20. Vendor Drawing Submission by PEB Vendor
  • 21. Product of Pre-Engineered Building on this Project
      • Design Product
        • Design information such as applicable design codes, material specifications, design assumptions and load combinations, design summary, plan and elevations, frame cross section, roof extension details, portal frame details, column reaction, drainage design, and bracing design
        • Computer design print outs
        • Design reference tables and computer explanations
        • Construction drawings
  • 22. Product of Pre-Engineered Building on this Project
      • Construction Product
    • The construction product as a process and result of delivery and construction stages as follows:
        • PEB s teel materials
        • Shipment to site
        • Supervision during erection
        • Punch list and commissioning
        • Owner’s m aintenance manual for PEB system provided by v endor
  • 23.  
  • 24. Lessons Learned and Conclusion taken from Project
    • P rofessional engineer must be open minded to new ideas, new innovations and technologies. There are always opportunities to try something new on the project that is possible to give more benefits to the successful of the project. PEB system is actually an old technology in low rise buildings, unfortunately, currently some of in house civil engineers are only focusing on conventional steel experiences.
    • Value engineering concept is very applicable on design phases where the engineers could save more money without reducing the utility or function of final products.
    • The use of pre-engineered building could benefit both engineers (project engineer) and constructors. Engineer was only doing FEED stage to produce the layout and specification and then the EPCI work will be performed by the constructor + PEB vendor easily.
  • 25. References
    • Fisk, R., Edward (2003). Construction Project Administration. Prentice Hall Upper Saddle River, New Jersey, Columbus, Ohio: 2003
    • Zamil Steel Website. http:// zamilsteel.com/peb/en/default.asp?iID =LJJME , 2009
    • Wikipedia Website. http://en.wikipedia.org/wiki/Pre-engineered_building , 2009
    • Engineering Procedures Manual. PT International Nickel Indonesia, 2006