Schedule of Findings
Content
Schedule of findings Author What the study is about What we know What have been done N. Mohammad et. Al Causes contributes to the variation orders in the Investigation on the causes of construction of building variation orders in projects in states of Selangor. construction of building project Questionnaire survey and provision of PAM standard of form of building contract associates with the VO What we don’t know (Gaps) What is the outcome Methodology
Ways to overcome VO in construction
Adnan Enshassi et. Al Causes of variation orders in construction projects in the gaza strip
Analyse causes of VO construction projects in Gaza strip
Most significant causes of Two stages: i. The causes of the VO: excusable and i. change of plan by owner compensable delay ii. substitution material by were established owner through existing iii. changes of design by literature on VO consultant ii. Questionnaire survey conclude that owner major -demographic of source of VO occurred in respondent construction -identified causes of VO owner should have enough time to do planning and recourses before starts a project Identify the impact of 64 causes of VO identified Questionnaire to clients, consultants, and contractors changes in the work to a from literature review contractor 10 most important factors includes: i. Lack of materials and equipment spare part due to closure ii. Change in design by consultant iii. Lack of consultant’s knowledge Proactive measure for reducing VO in construction projects Adequate times for planning and design phase Conflicts between tender documents
Schedule of findings Author
Mahmudah Yahya et. Al Perubahan Kerja: Bermanfaatkah Kepada Kontraktor Notes
What the study is about What we know What have been done Isu- isu berbangkit daripada arahan perubahan kerja
What we don’t know (Gaps)
What is the outcome
Methodology
Literature review
Types of VO: The nature of VO ii. Identify the initiator iii. Effects of VO i.
Identify the impact of changes in the work to a contractor
Haji Hashim Sikan Variation Orders In Construction Contract
Provision of clauses in the standard forms of contract commonly used in Malaysia i. PWD 203 form ii. PAM form iii. IEM form
none
Factors influencing VO i. Client’s requirement ii. Change of end user’s management iii. Discrepancies between the works and statutory requirement Strategy action minimizing VO i. Detailed design ii. Adequate time for QS prepared documents prior to construction iii. Clear and through project brief reduce miscommunications between parties iv. Direct and continuous communication in regards of contract documents Proper u/standing of the intention and implementation of VO in FOC
Schedule of findings Author
What the study is about What we know What have been done N. Mohammad et. Al Causes contributes to the variation orders in the Investigation on the causes of construction of building variation orders in projects in states of Selangor. construction of building project Questionnaire survey and provision of PAM standard of form of building contract associates with the VO
What we don’t know (Gaps)
What is the outcome
Methodology
Adnan Enshassi et. Al Causes of variation orders in construction projects in the gaza strip
Analyse causes of VO construction projects in Gaza strip
Ways to overcome VO in Most significant causes of Two stages: iii. The causes of the construction VO: excusable and iv. change of plan by owner compensable delay v. substitution material by were established owner through existing vi. changes of design by literature on VO consultant iv. Questionnaire survey conclude that owner major -demographic of source of VO occurred in respondent construction -identified causes of VO owner should have enough time to do planning and recourses before starts a project Identify the impact of 64 causes of VO identified Questionnaire to clients, consultants, and contractors changes in the work to a from literature review contractor 10 most important factors includes: iv. Lack of materials and equipment spare part due to closure v. Change in design by consultant vi. Lack of consultant’s knowledge Proactive measure for reducing VO in construction projects Adequate times for planning and design phase Conflicts between tender documents
Schedule of findings Author
Ojo Ayodeji Sunday Impact of VO on Construction Projects
What the study is about What we know What have been done Impact of VO in relation to the handler (in house staff) Public and consultants Category of VO and causes
What we don’t know (Gaps)
What is the outcome
Methodology
Jawad Alsuliman et, al
Variation order management at design stage from literature Current practice of VO review Management in the Saudi Lack of knowledge about the Construction Industry management of VO in Saudi Arabia and limited published work in relation to Saudi construction Ruben Ndihokubwayo Impact of VO on project performance An Analysis of the Impact of Proactive measure to VO on Project Performance reduce VO
Literature review Clear evidences from various Questionnaire survey literatures that VO contribute to cost and time overruns of a project. Projects handle by consultants are more prone to VO than projects handled by the in-house professionals. Percentage difference between initial sums and final sums was significant both for the projects managed by the in-house staff and consultant BUT higher when consultant managed projects itself. Need to apply an Literature review appropriated VO Questionnaire survey management system to Saudi Interviews public sector projects No formalized approaches to VO management during design stage.
Impacts VO on project Literature review performance: Questionnaire survey i. cost overruns ii. time overruns iii. quality degradation iv. health and safety v. profesional relations *rising of disputes between parties to the contract.
Schedule of findings Author
What the study is about What we know What have been done A.A. Oladapo Contribution of project variations to construction A quantitative assessment of cost and time overruns the cost and time impact of VO on construction projects
What we don’t know (Gaps)
What is the outcome
Methodology
Cost and time significance of project *enable in house staff to u/stand and appreciate real impact of VO on project performance
Questionnaire survey
Ways to overcome VO in construction
Adnan Enshassi et. Al Causes of variation orders in construction projects in the gaza strip
Analyse causes of VO construction projects in Gaza strip
Most significant causes of Two stages: i. The causes of the VO: excusable and i. change of plan by owner compensable delay ii. substitution material by were established owner through existing iii. changes of design by literature on VO consultant ii. Questionnaire survey conclude that owner major -demographic of source of VO occurred in respondent construction -identified causes of VO owner should have enough time to do planning and recourses before starts a project Identify the impact of 64 causes of VO identified Questionnaire to clients, consultants, and contractors changes in the work to a from literature review contractor 10 most important factors includes: i. Lack of materials and equipment spare part due to closure ii. Change in design by consultant iii. Lack of consultant’s knowledge Proactive measure for reducing VO in construction projects Adequate times for planning and design phase Conflicts between tender documents
Schedule of findings Author
Mahmudah Yahya et. Al Perubahan Kerja: Bermanfaatkah Kepada Kontraktor Notes
What the study is about What we know What have been done Isu- isu berbangkit daripada arahan perubahan kerja
What we don’t know (Gaps)
What is the outcome
Methodology
Literature review
Types of VO: The nature of VO ii. Identify the initiator iii. Effects of VO i.
Identify the impact of changes in the work to a contractor
Haji Hashim Sikan Variation Orders In Construction Contract
Provision of clauses in the standard forms of contract commonly used in Malaysia i. PWD 203 form ii. PAM form iii. IEM form
none
Factors influencing VO i. Client’s requirement ii. Change of end user’s management iii. Discrepancies between the works and statutory requirement Strategy action minimizing VO i. Detailed design ii. Adequate time for QS prepared documents prior to construction iii. Clear and through project brief reduce miscommunications between parties iv. Direct and continuous communication in regards of contract documents Proper u/standing of the intention and implementation of VO in FOC
Schedule of findings Author
What the study is about What we know What have been done N. Mohammad et. Al Causes contributes to the variation orders in the Investigation on the causes of construction of building variation orders in projects in states of Selangor. construction of building project Questionnaire survey and provision of PAM standard of form of building contract associates with the VO
What we don’t know (Gaps)
What is the outcome
Methodology
Adnan Enshassi et. Al Causes of variation orders in construction projects in the gaza strip
Analyse causes of VO construction projects in Gaza strip
Ways to overcome VO in Most significant causes of Two stages: iii. The causes of the construction VO: excusable and iv. change of plan by owner compensable delay v. substitution material by were established owner through existing vi. changes of design by literature on VO consultant iv. Questionnaire survey conclude that owner major -demographic of source of VO occurred in respondent construction -identified causes of VO owner should have enough time to do planning and recourses before starts a project Identify the impact of 64 causes of VO identified Questionnaire to clients, consultants, and contractors changes in the work to a from literature review contractor 10 most important factors includes: iv. Lack of materials and equipment spare part due to closure v. Change in design by consultant vi. Lack of consultant’s knowledge Proactive measure for reducing VO in construction projects Adequate times for planning and design phase Conflicts between tender documents
Schedule of findings Author
Ojo Ayodeji Sunday Impact of VO on Construction Projects
What the study is about What we know What have been done Impact of VO in relation to the handler (in house staff) Public and consultants Category of VO and causes
What we don’t know (Gaps)
What is the outcome
Methodology
Jawad Alsuliman et, al
Variation order management at design stage from literature Current practice of VO review Management in the Saudi Lack of knowledge about the Construction Industry management of VO in Saudi Arabia and limited published work in relation to Saudi construction Ruben Ndihokubwayo Impact of VO on project performance An Analysis of the Impact of Proactive measure to VO on Project Performance reduce VO
Literature review Clear evidences from various Questionnaire survey literatures that VO contribute to cost and time overruns of a project. Projects handle by consultants are more prone to VO than projects handled by the in-house professionals. Percentage difference between initial sums and final sums was significant both for the projects managed by the in-house staff and consultant BUT higher when consultant managed projects itself. Need to apply an Literature review appropriated VO Questionnaire survey management system to Saudi Interviews public sector projects No formalized approaches to VO management during design stage.
Impacts VO on project Literature review performance: Questionnaire survey i. cost overruns ii. time overruns iii. quality degradation iv. health and safety v. profesional relations *rising of disputes between parties to the contract.
Schedule of findings Author
What the study is about What we know What have been done A.A. Oladapo Contribution of project variations to construction A quantitative assessment of cost and time overruns the cost and time impact of VO on construction projects
What we don’t know (Gaps)
What is the outcome
Methodology
Cost and time significance of project *enable in house staff to u/stand and appreciate real impact of VO on project performance
Questionnaire survey
