Evaluation Criteria PEB BUILDING CONCRETE BUILDING
Fabrication Precise fabrication: Members fabricated in a controlled environment and up to 50% saving in fabrication time on site. Fabrication done on site; Requires building the reinforcement cage and shuttering work prior to pouring.
Delivery and Logistics Can be delivered in desired sequence anywhere in the world. Might have to build batch plant on site if site is secluded or huge.
Installation Time 50% saving in construction time. Fast Installation with no idle time. Slow and time consuming: The contractor will have to wait for the previous cast to harden (14-28 days) before being able to cast next batch.
Quality Quality of steel is guaranteed because
  • It is a homogeneous product.
  • Pieces are tailored according to shop drawings.
  • Precise machinery is used for fabrication.
  • It is fabricated under shop control.
  • Quality is not affected by weather conditions
Many factors lead to quality deterioration
  • Concrete is not a homogeneous product.
  • Concrete mix ingredient ratios are difficult to maintain.
  • Quality of water used may vary.
  • Weather conditions.
  • Labor experience in pouring.
  • Adequate use of vibrators.
  • Using proper curing methods.
  • Concrete shrinkage.
  • High manpower count may weaken control.
Cost Savings of 10%-15% for large span steel building. Construction cost is high at site.
Industrial Applications Saving on maintenance cost: Can easily handle equipment such as multiple cranes within building. Sways can be controlled. Precision can be achieved during installation. Heavy equipment usage such as cranes is limited.
Commercial & Infrastructure Applications Better aesthetics and longer spans can be achieved using steel as building component. Limited designs are possible with concrete.
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