Preestimating requirements r1

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Preestimating requirements r1

  1. 1. Pre-estimating Requirements ● Mat Naim Abdullah ● matnaim@utm.my ● C04-308www.utm.my innovative ● entrepreneurial ● global 1
  2. 2. Pre-construction - Information CONSTRUCTION STAGESInception Designing & Tender Document Preparation Tendering & Procurement Construction Operation & Maintenance www.utm.my innovative ● entrepreneurial ● global 2
  3. 3. THE BUILDING COMMUNICATION1. Drawings2. Specification3. Bills of Quantities (BQ)4. Tender Documents5. Contracts Documents6. Work Programmes7. Operation & Maintenance Manual www.utm.my innovative ● entrepreneurial ● global 3
  4. 4. 2. The Drawings Imagine!!!!!! How to design and draw?www.utm.my innovative ● entrepreneurial ● global 4
  5. 5. 2. The Drawings (Cont’d)Types of Drawings1. Conceptual Drawings2. Tender Drawings3. Contract Drawings4. Construction Drawings5. Shop Drawings6. As-built Drawings www.utm.my innovative ● entrepreneurial ● global 5
  6. 6. 2. The Drawings (Cont’d)Conceptual Drawings – What can you see? www.utm.my innovative ● entrepreneurial ● global 6
  7. 7. 2. The Drawings (Cont’d)Conceptual Drawings – What can you see? www.utm.my innovative ● entrepreneurial ● global 7
  8. 8. 2. The Drawings (Cont’d)AERIAL PERSPECTIVE www.utm.my innovative ● entrepreneurial ● global 8
  9. 9. 2. The Drawings (Cont’d)CONSTRUCTION DRAWINGS CIQ COMPLEX - FRONT ELEVATION www.utm.my innovative ● entrepreneurial ● global 9
  10. 10. 2. The Drawings (Cont’d)CONSTRUCTION DRAWINGS CIQ COMPLEX - LEFT ELEVATION www.utm.my innovative ● entrepreneurial ● global 10
  11. 11. 2. The Drawings (Cont’d) MOTORCYLES BUS & COACHES LVHGVCONSTRUCTION DRAWINGS CIQ COMPLEX - PARTIAL SECTION www.utm.my innovative ● entrepreneurial ● global 11
  12. 12. 2. The Drawings (Cont’d) To Malaysia To SingaporeCONSTRUCTION DRAWINGS - CIQ Layout Plan (Level 1) www.utm.my innovative ● entrepreneurial ● global 12
  13. 13. 2. The Drawings (Cont’d)Offices & Passengers’ Hall (Level 2) To To Malaysia Singapore CONSTRUCTION DRAWINGS www.utm.my innovative ● entrepreneurial ● global 13
  14. 14. 2. The Drawings (Cont’d)Shop Drawings – What can you see? www.utm.my innovative ● entrepreneurial ● global 14
  15. 15. 2. The Drawings (Cont’d) As Built Drawings – What can you see?Any difference from the construction drawings? www.utm.my innovative ● entrepreneurial ● global 15
  16. 16. 2. The Drawings (Cont’d)www.utm.my innovative ● entrepreneurial ● global 16
  17. 17. 2. The Drawings (Cont’d)www.utm.my innovative ● entrepreneurial ● global 17
  18. 18. Bills of Quantities (BQ)The forms where the contractor fills in his pricebased on:1. The description of works2. Quantities Example of BQ3. Unit – m, m2, m3, kg, Lump sum, Item, No.Preparation of BQ is by Quantity Surveyor basedon the Standard Method of Measurement (SMM) www.utm.my innovative ● entrepreneurial ● global 18
  19. 19. SpecificationSpecification – Describe:1. Materials2. Standard of materials3. Construction processes &4. workmanship. Making Cake www.utm.my innovative ● entrepreneurial ● global 19
  20. 20. Tender DocumentsTender Documents1. Instruction to tenderers2. Form of tender3. Conditions of contracts4. Bills of Quantities5. Tender Particulars6. Tender Drawings7. Specification8. Proposed work programme www.utm.my innovative ● entrepreneurial ● global 20
  21. 21. Instruction to Tenderers & Form of TenderInstruction to Tenderers contains:1. The content of the tender documents2. Selection of the tenderers Form of Tender is a3. Visiting the site declaration by the4. Procedure for addendum tenderer to abide to5. Procedure for tender preparation & the instruction of submission tenderers6. Content of Bills of Quantities7. Opening & closing of tender8. Any significant matters related to the project www.utm.my innovative ● entrepreneurial ● global 21
  22. 22. Conditions of ContractThe Details of Agreement between the Employer and the Contractor.Usually consists of:1. Contractor’s liabilities2. Provision of preliminary works3. Variations4. Payments5. Commencement & completion6. Defects liability7. Delay & extension of time8. Termination9. Mediation & Arbitration www.utm.my innovative ● entrepreneurial ● global 22
  23. 23. Contract DocumentsContract Documents1. Letter of Award2. Instruction to tenderers3. Form of tender4. Conditions of contracts5. Agreed Bills of Quantities6. Tender Particulars7. Contract Drawings8. Specification9. Agreed work programme www.utm.my innovative ● entrepreneurial ● global 23
  24. 24. Work ProgrammeIndicate the time to complete each of the construction activities or package of the project in the form of bar chart or Critical Path Method, hence the total completion period for the whole project. www.utm.my innovative ● entrepreneurial ● global 24
  25. 25. Master Implementation Programme 2002 2003 2004 2005 2006 2007 ACTIVITY Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Oct ‘02 CIQ FacilitiesCIQ Complex Aug ‘02 CIQ Building VPA Jul ‘06 Operational (Dec ’06) Aug ‘03JB Sentral Terminal Mar ‘03 Section 1 Section 2 Jun ‘07Interchange No. 1 & Other Sep ‘02 Apr ‘03 MayInfrastructure Works ‘06 Feb ‘06Short Term Access Nov ‘04 Dec‘06JBS Short Term Access Jul ‘05 Oct ‘05 Jul ‘07 Jan ‘03Road Bridge (Suspended) Oct ‘02 Dec ‘05 Mar ‘04Rail Bridge (Suspended) Jun ‘03 Aug ‘06 Jan ‘06Causeway Removal/ (Suspended) May ‘05 Apr ‘07Navigation ChannelLEGEND: Physical Works Stage Completion Milestones Commencement Works www.utm.my innovative ● entrepreneurial ● global 25
  26. 26. Work Programme www.utm.my innovative ● entrepreneurial ● global 26
  27. 27. The pre-estimating requirements 1. Drawings 2. Specification 3. Rate – Built-up rate, sub- contractor’s price or schedule of rate 4. Work programme www.utm.my innovative ● entrepreneurial ● global 27
  28. 28. Built-up Rate1. Material’s cost2. Manpower’s cost3. Machinery’s cost4. Wastage5. Margin www.utm.my innovative ● entrepreneurial ● global 28

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