A Study of Lean Construction Practices in Gaza Strip

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List of Tables Table 2.1: Conceptualization of lean principle in construction........................................ 8 Table 2.2: 5S Purpose and Goals.................................................................................... 20 Table 3.1: Productivity of resources in Gaza Strip……………………………………..32 Table 4.1: Details of project .......................................................................................... 35 Table 4.2: Productivity of the Project activities ............................................................. 38 Table4.3: NVA and VA activities in mobilization and excavation ................................ 42 Table 4.4: NVA and VA processes in plain concrete ................................................... 42 Table 4.5: NVA and VA processes in foundation ........................................................ 43 Table 4.6: NVA and VA processes in neck column ....................................................... 44 Table 4.7: NVA and VA processes in isolation.............................................................. 45 Table 4.8: NVA and VA processes in Back filling......................................................... 45 Table 4.9: NVA and VA processes for ground beam activity........................................ 46 Table 4.10: NVA and VA processes for G.Floor column .............................................. 46 Table 4.11: NVA and VA processes for ground floor.................................................... 47 Table 4.12: NVA and VA processes in slab for Ground Floor....................................... 48 Table 4.13: NVA and VA processes in column for F.Floor........................................... 49 Table 4.14: NVA and VA processes in slab for first Floor ............................................ 49 Table 4.15: NVA and VA processes in building for G.Floor......................................... 50 Table 4.16: NVA and VA processes in building for F.Floor.......................................... 51 Table 4.17: Simulation result.......................................................................................... 56 Table 4.18: Waste elimination in mobilization and excavation...................................... 59 Table 4.19: Waste elimination in plain concrete ............................................................ 59 Table 4.20: Waste elimination in Foundation................................................................. 60 Table 4.21: Waste elimination in column neck .............................................................. 60 Table 4.22: Waste elimination in isolation ..................................................................... 61 Table 4.23: Waste elimination for backfilling............................................................... .61 Table 4.24: Waste elimination in ground beam.............................................................. 62 Table 4.25: Waste elimination for ground floor column .............................................. .62 Table 4.26: Waste elimination for ground floor ............................................................ .63 Table 4.27: Waste elimination for G.Floor slab ............................................................ 63 X
Table 4.28: Waste elimination for F.Floor column ....................................................... 64 Table 4.29: Waste elimination for F.Floor Slab ............................................................. 64 Table 4.30: Waste elimination processes for building for G.Floor ................................ 65 Table 4.31: Waste elimination in building for F.Floor................................................... 65 Table 4.31: Difference between activity before and after applying lean........................ 66 Table 4.33: Total project duration ................................................................................ 70 Table 4.34: Activities in a descending order based on duration..................................... 71 Table 4.35: Greatest duration of waste in activity.......................................................... 72 Table 4.36: Project duration without the most wasting activity .................................... .72 Table 4.37: Balancing the process .................................................................................. 74 Table 4.38: Cycle time compared................................................................................... 78 Table 4.39: Process assigned and process completed..................................................... 80 XI
Page 1: The Islamic University of Gaza Dean
Page 4 and 5: Acknowledgment I would like to expr
Page 6 and 7: ABSTRACT This research deals with t
Page 8 and 9: 2.5.6 Increase Output Flexibility .
Page 10 and 11: Appendices Appendix (A): Daily Repo
Page 14 and 15: List of Figures Figure 2.1: Reducti
Page 16 and 17: 1.1 Statement of the Problem Most o
Page 18 and 19: 2.1 Lean Construction History Chapt
Page 20 and 21: 2.3 Impact of Lean Construction Acc
Page 22 and 23: Table 2.1 Conceptualization of lean
Page 24 and 25: for measuring the percent plan comp
Page 26 and 27: 2.5.6 Increase output flexibility F
Page 28 and 29: � The more wastes inherent in the
Page 30 and 31: 3. System requires the need to deve
Page 32 and 33: the work flow, material flow, produ
Page 34 and 35: • Straighten Next, materials were
Page 36 and 37: Material Productivity = Total Outpu
Page 38 and 39: investigation showed that 25 percen
Page 40 and 41: 7. Poor technology of equipment. 8.
Page 42 and 43: 2. Unnecessary material handling. 3
Page 44 and 45: inventory (Wrong storage of materia
Page 46 and 47: Main Activity Mobilization and exca
Page 48 and 49: 4. Sort the candidates in order of
Page 50 and 51: 4.2 Project Activities Lean constru
Page 52 and 53: Table 4.2 represents the resources,
Page 54 and 55: Main Activity Slab work Building wo
Page 56 and 57: 4.4.1 Mobilization and excavation T
Page 58 and 59: 4.4.4 Neck column Table (4.6) shows
Page 60 and 61: 4.4.7 Ground beam The twelve proces
Page 62 and 63:
4.4.10 Ground floor slab The eleven
Page 64 and 65:
No. 9 10 11 Table 4.14 Non-value ad
Page 66 and 67:
4.5 Remove or Reduce the Influence
Page 68 and 69:
The result by using arena simulatio
Page 70 and 71:
Table 4.17 Simulation results No. A
Page 72 and 73:
Table 4.17 Simulation results (Cont
Page 74 and 75:
4.5.3 Foundation Table (4.20) shows
Page 76 and 77:
4.5.7 Ground beam Table (4.24) show
Page 78 and 79:
4.5.11 Column first floor Table (4.
Page 80 and 81:
4.6 Identify the Cause of Waste Tab
Page 82 and 83:
Percent of value adding time 35% 30
Page 84 and 85:
Table 4.33 Total project duration N
Page 86 and 87:
Then, the processes with the greate
Page 88 and 89:
number of workers to 12 workers sho
Page 90 and 91:
Activity Process Ground floor Colum
Page 92 and 93:
Actual project duration was 6000 ho
Page 94 and 95:
Date Process Assigned Process Compl
Page 96 and 97:
5.1 Conclusion Chapter Five Conclus
Page 98 and 99:
References 1. Abudallah Fawaz , (20
Page 100 and 101:
27. Graham, P. and Smithers, G., (1
Page 102 and 103:
51. Serpell, A.; Venturi, A. and Co
Page 104 and 105:
Appendices (A) Daily report Date Ac
Page 106 and 107:
04/09/2003 06/09/2003 07/09/2003 08
Page 108 and 109:
18/12/2003 20/12/2003 21/12/2003 22
Page 110 and 111:
11/04/2004 12/04/2004 13/04/2004 14
Page 112 and 113:
Appendix (B) Arena Simulation Compu
Page 114:
Appendix (C ) Simulation result of
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A Study of Lean Construction Practices in Gaza Strip

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