developing a model for integrating safety, quality and productivity in ...

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Group# of statementsBeforemodificationAftermodificationCostrelationship between safetyand cost17 0.575 0.579Timerelationship between safetyand time11 0.503 0.506Religionrelationship between safetyand religion12 0.478 0.647Importance ofStudyImportance of Study 11 0.808 0.819Total 132 0.744 0.853RecommendRecommendations AndSuggestions12 0.569 0.725Reasonsreasons for not concerning insafety5 0.611 0.638* Guttman split-half reliability coefficient which is an adaptation of the Spearman-Brown coefficienthas been used because the two split-halves are not equal.Table 15 shows that reliability coefficients computed by Split-half method beforemodification were (0.744) and after modification were (0.853). The differencebetween the two values is minor noticing that the values are relatively high. Thisindicates how much reliable the questionnaire is and also such result motivated theresearcher to apply the method on the study sample.65
3.10.2 Cronbach's Alpha modelResearcher has used another method to compute reliability of questionnaire wherealpha coefficients value for each group of questionnaire and the questionnaire itselfhaves been computed. Cronbach's Alpha has been used because it is mathematicallyequivalent to the average of all possible split-half estimates, although that's not how itis computed. The normal range of Cronbach's coefficient alpha value is between 0.0and +1.0 where higher values reflect a higher degree of internal consistency.Cronbach's coefficient alpha was calculated for the eight groups of questionnaire asshown in table 14 where results for groups ranged from 0.285 and 0.799 and resultsfor whole questionnaire was 0.926 which proves the questionnaire is of high level ofreliability.Table 16: Cronbach's alpha for items of each groupQualityProductivityItem# ofstatementsCronbach'sCoefficientSafety and health policy 5 0.676Safety Organization 3 0.750Safety Training 3 0.608In-house Safety Rules 4 0.541Safety Inspection 4 0.419Personal Protective Equipment 3 0.285(PPE)Accident Documentation 2 0.685Emergency Preparedness 3 0.707Evaluation, Selection and Control 4 0.799of SubcontractorsSafety committees 3 0.481Safety and Health Promotion 4 0.558Health Assurance Program 2 0.571Project Implementation 3 0.353Workmanship 7 0.659Contract Documents 3 0.590Factors improve productivity 5 0.612Inspection 3 0.362Local conditions 5 0.496Worker problems 4 0.315Subcontractors 4 0.657Safety program 4 0.49266
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The Islamic University Of GazaFacul
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AcknowledgementI would like to than
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ملخص البحثتعتبر صن
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Group 3: Study on relationship betw
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List of TablesTable 1: Nonfatal Occ
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List of FiguresFigure 1: Costs and
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Chapter one: Introduction1.1 Constr
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safety. Safety culture contributes
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CHAPTER TWO: LITERATURE REVIEWThe p
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The construction industry is often
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Table 1 shows nonfatal occupational
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centered exclusively on the technic
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3. Small size of most construction
Page 28 and 29: • Quality management: is that asp
Page 30 and 31: of project management that is requi
Page 32 and 33: organizational programs aiming at m
Page 34 and 35: 2.2.3 Construction quality in devel
Page 36 and 37: 5. The designers do not consider th
Page 38 and 39: 2.3 Construction ProductivityProduc
Page 40 and 41: Real Wage TrendsConstruction Traini
Page 42 and 43: Rework for correcting unsatisfactor
Page 44 and 45: the importance of measurement as
Page 46 and 47: productivity sector, because of its
Page 48 and 49: 2.3.7 Construction productivity in
Page 50 and 51: achieved, with the highest quality,
Page 52 and 53: Figure 2: Methodology Flowchart39
Page 54 and 55: Correction for Finite PopulationSS
Page 56 and 57: nominal and ordinal scales. Nominal
Page 58 and 59: e. If respondent responses disagree
Page 60 and 61: Part IV: Linkage between Productivi
Page 62 and 63: 3.7 Pilot StudyWhenever a researche
Page 64 and 65: Group 1# ItemsP-ValuePearsonSignifi
Page 68 and 69: Group 2# Itemstime schedule prepara
Page 70 and 71: Group 3# Itemspsychological pressur
Page 74 and 75: Group 7to apply safety regulations4
Page 76 and 77: Local conditions 0.485 0.01Worker p
Page 80 and 81: CostTimeReligionImportanceof StudyR
Page 82 and 83: 2. The study is limited to the cont
Page 84 and 85: This results from the fact that the
Page 86 and 87: 4.2.4 Capital of CompanyTable 4.2 s
Page 88 and 89: Employees' background may vary acco
Page 90 and 91: Respondents might have also not bee
Page 92 and 93: 70.00%60.00%42Percentage of respond
Page 94 and 95: 4.3 Part II: Company's policy, safe
Page 96 and 97: obligatory to provide safety progra
Page 98 and 99: Percentage of respondents80.00%60.0
Page 100 and 101: Projects that are planned taking in
Page 102 and 103: e aware of importance of accident r
Page 104 and 105: 4.3.1 Part III: Linkage between occ
Page 106 and 107: Safety and quality factors# ofRespo
Page 108 and 109: Results also show how much importan
Page 110 and 111: good safety attitudes in people but
Page 112 and 113: y him mostly well understood and ap
Page 114 and 115: costs and increased loss-control. T
Page 116 and 117: project as of high quality in case
Page 118 and 119: group with RII = 0.717 and was rank
Page 120 and 121: 8. Emergency Preparedness# ofRespon
Page 122 and 123: general contractor and subcontracto
Page 124 and 125: "Safety committee is formed to moni
Page 126 and 127: For a safety program to be properly
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low factor that affects quality (45
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"Many change orders during implemen
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safer. A new worker when oriented w
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"Inclusion of safety into contract
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management can be achieved through
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‘Project Implementation” group
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4.3.2 Part IV: Linkage between occu
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GROUP 1: Factors improving producti
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more unsafely. Productive workers a
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GROUP 3: Local conditionsTable 4.30
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nonworking days rarely occur in Gaz
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warn workers to avoid them. Workers
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ut also when the crew does return t
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from a change in worksite condition
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Comprehensive worker education thro
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directions of safe actions cannot b
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"Safety expenditures are very much
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ecovering their bankruptcy. Under t
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4.3.4 Part VI: Linkage between occu
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is referred to as heat stress. In a
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job. They can cover work practices,
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"Islam has strengthened principle o
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"Decreasing accidents during work a
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CHAPTER FIVE: CONCLUSION AND RECOMM
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position. This factor belongs to sa
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5.2.3 Safety and CostThis part of t
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5.3 RecommendationsRecommendations
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losing contracts because bids that
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Table 5. 6: Mean and standard devia
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degree support that there is a rela
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Relationshipbetween safetyand costR
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Table 5. 12: Mean and standard devi
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Relationship betweenYes 15 2.4623 0
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5.5 Characteristics of Basic Model
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safety rules, safety inspection, pr
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Arditi, D., and Mochtar, K., 2000,
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Herrero, S., Saldana, M., Del Campo
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Koehn, E., Kothari, R., and Pan, C.
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Salminen, S. and Saari, J., 1995. M
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Annex 1: Questionnaire in English19
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14. Years of experience in the fiel
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22. If Yes, indicate periodweekly b
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Study on relationship between safet
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Study on relationship between safet
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PART VI: LINKAGE BETWEEN OCCUPATION
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5) Safety program for each project6
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بسم االله الرحمن ال
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الجزء الأول:‏السي
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12. إذا كان الجواب ن
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أ)‏دراسة العلاقة
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دراسة العلاقة بين ا
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الجزءالخامس:‏ علاق
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"‎10‎‏.لا يتعارض مب
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Annex 3: Images of safety problems
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Figure 5: Exacavation activities wh
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Figure 8: Worker is fixing house co
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Figure 12: Piping works without saf
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