WBS Refinery Overhauling

1. ID WBS Task Name Milestone WBS Predecessors WBS Successors Duration
1 1 Planning No 2 33 days
2 1.1 Organization No 1.2 7 days
3 1.1.1 Develop Steering Committee No 1.1.2 1 day
4 1.1.2 Choose Project Manager No 1.1.1 1.1.3,1.1.4,1.1.5 1 day
5 1.1.3 Choose Porject Team No 1.1.2 1.1.4,1.1.5 3 days
6 1.1.4 Identify Stakeholders No 1.1.2,1.1.3 1 day
7 1.1.5 Identify Project Risks No 1.1.2,1.1.3 2 days
8 1.2 Inspection & Job Listing No 1.1 1.3,1.4 6 days
9 1.2.1 Columns No 1.2.2 2 days
10 1.2.2 Exchangers No 1.2.1 1.2.3 2 days
11 1.2.3 Vessels No 1.2.2 2 days
12 1.2.4 Heaters No 1.2.5,1.2.7 1 day
13 1.2.5 Valves No 1.2.4 1.2.6 3 days
14 1.2.6 Reactors No 1.2.5 2 days
15 1.2.7 Piping No 1.2.4 4 days
16 1.2.8 Control Room No 2 days
17 1.3 List Material Requirements No 1.2 5 days
18 1.3.1 Raise material requisitions for long
delivery / imported items
No 5 days
19 1.3.2 Raise requisitions for local material No 5 days
20 1.3.3 Raise requisitions for tools, cranes,
consumables, PPE
No 5 days
21 1.4 Job Scheduling No 1.2 1.5 4 days
22 1.4.1 Setup and support services No 3 days
23 1.4.2 Mechanical jobs No 4 days
24 1.4.3 Civil jobs No 3 days
25 1.4.4 Electrical & Instrumentation jobs No 2 days
26 1.5 Approvals No 1.4 16 days
27 1.5.1 Put up Shutdown Plan for approval of
Steering Committee
No 1.5.2,1.5.3 4 days
Project: Refinery Overhauling Wrok Breakdown Structure
By Ashar (8391) & Basit (8387) Page 1 To: Mr. M. Akram

2. ID WBS Task Name Milestone WBS Predecessors WBS Successors Duration
28 1.5.2 Obtain approval from concerned
regulating authorities as OGRA, EPA
No 1.5.1 1.5.3 12 days
29 1.5.3 Approvals granted Yes 1.5.2,1.5.1 0 days
30 2 Pre-Shutdown Execution No 1 3 65 days?
31 2.1 Site Inspections For Verification of
Jobs
No 2.2 5 days?
32 2.1.1 Columns No 2.1.2 2 days
33 2.1.1.1 Setup and support services No 1 day
34 2.1.1.2 Mechanical jobs No 2 days
35 2.1.1.3 Civil jobs No 1 day
36 2.1.1.4 Electrical & Instrumentation jobs No 1 day
37 2.1.2 Exchangers No 2.1.1 2.1.3 2 days?
38 2.1.2.1 Setup and support services No 1 day?
39 2.1.2.2 Mechanical jobs No 2 days
40 2.1.2.3 Civil jobs No 1 day?
41 2.1.3 Vessels No 2.1.2 1 day?
42 2.1.3.1 Setup and support services No 1 day?
43 2.1.3.2 Mechanical jobs No 1 day?
44 2.1.3.3 Civil jobs No 1 day?
45 2.1.3.4 Electrical & Instrumentation jobs No 1 day?
46 2.1.4 Heaters No 2.1.5 1 day?
47 2.1.4.1 Setup and support services No 1 day?
48 2.1.4.2 Mechanical jobs No 1 day?
49 2.1.4.3 Civil jobs No 1 day?
50 2.1.4.4 Electrical & Instrumentation jobs No 1 day?
51 2.1.5 Valves No 2.1.4 2.1.6 1 day?
52 2.1.5.1 Setup and support services No 1 day?
53 2.1.5.2 Mechanical jobs No 1 day?
54 2.1.5.3 Electrical & Instrumentation jobs No 1 day?
55 2.1.6 Reactors No 2.1.5 1 day?
56 2.1.6.1 Setup and support services No 1 day?
Project: Refinery Overhauling Wrok Breakdown Structure
By Ashar (8391) & Basit (8387) Page 2 To: Mr. M. Akram

3. ID WBS Task Name Milestone WBS Predecessors WBS Successors Duration
57 2.1.6.2 Mechanical jobs No 1 day?
58 2.1.6.3 Civil jobs No 1 day?
59 2.1.6.4 Electrical & Instrumentation jobs No 1 day?
60 2.1.7 Piping No 3 days?
61 2.1.7.1 Setup and support services No 1 day?
62 2.1.7.2 Mechanical jobs No 3 days
63 2.1.7.3 Civil jobs No 1 day?
64 2.1.8 Control Room No 2 days?
65 2.1.8.1 Setup and support services No 1 day?
66 2.1.8.2 Electrical & Instrumentation jobs No 2 days
67 2.2 Site Setup No 2.1 60 days
68 2.2.1 Material Arrangements No 60 days
69 2.2.1.1 Imported material deliveries No 60 days
70 2.2.1.2 Local materials and consumable spare
parts
No 30 days
71 2.2.1.3 Scheduling of on rent materials i.e. cranes,
dumpers, testing equipment
No 15 days
72 2.2.2 Human Resource Arrangements No 15 days
73 2.2.2.1 Outsourced manpower scheduling No 15 days
74 2.2.2.2 Support services for existing and
outsourced manpower i.e. HSE, food, rest,
communication
No 7 days
75 2.2.3 Administrative Arrangements No 15 days
76 2.2.3.1 Utilities such as power,fuel, water,
transportation, softwares
No 15 days
77 2.2.3.2 Communication of relevant shutdown
information to stakeholders
No 3 days
78 3 Shutdown No 2 4 15 days
79 3.1 Production Shutdown and Plant
Decommissioning
Yes 3.2 1 day
80 3.2 Job Execution No 3.1 3.3 9 days
Project: Refinery Overhauling Wrok Breakdown Structure
By Ashar (8391) & Basit (8387) Page 3 To: Mr. M. Akram

4. ID WBS Task Name Milestone WBS Predecessors WBS Successors Duration
81 3.2.1 Columns No 9 days
82 3.2.1.1 Mechanical jobs No 9 days
83 3.2.1.1.1 Dismantle No 3.2.1.1.2 4 days
84 3.2.1.1.2 Perform maintenance No 3.2.1.1.1 3.2.1.1.3 3 days
85 3.2.1.1.3 Assemble No 3.2.1.1.2 2 days
86 3.2.1.2 Civil jobs No 4 days
87 3.2.1.2.1 Maintenance No 3.2.1.2.2 2 days
88 3.2.1.2.2 Curing No 3.2.1.2.1 2 days
89 3.2.1.3 Electrical & Instrumentation jobs No 2 days
90 3.2.2 Exchangers No 9 days
91 3.2.2.1 Mechanical jobs No 9 days
92 3.2.2.1.1 Dismantle No 3.2.2.1.2 4 days
93 3.2.2.1.2 Perform maintenance No 3.2.2.1.1 3.2.2.1.3 3 days
94 3.2.2.1.3 Assemble No 3.2.2.1.2 2 days
95 3.2.2.2 Civil jobs No 3 days
96 3.2.2.2.1 Maintenance No 3.2.2.2.2 1 day
97 3.2.2.2.2 Curing No 3.2.2.2.1 2 days
98 3.2.3 Vessels No 7 days
99 3.2.3.1 Mechanical jobs No 7 days
100 3.2.3.1.1 Dismantle No 3.2.3.1.2 3 days
101 3.2.3.1.2 Perform maintenance No 3.2.3.1.1 3.2.3.1.3 2 days
102 3.2.3.1.3 Assemble No 3.2.3.1.2 2 days
103 3.2.3.2 Civil jobs No 4 days
104 3.2.3.2.1 Maintenance No 3.2.3.2.2 2 days
105 3.2.3.2.2 Curing No 3.2.3.2.1 2 days
106 3.2.3.3 Electrical & Instrumentation jobs No 2 days
107 3.2.4 Heaters No 8 days
108 3.2.4.1 Mechanical jobs No 8 days
109 3.2.4.1.1 Dismantle No 3.2.4.1.2 3 days
110 3.2.4.1.2 Perform maintenance No 3.2.4.1.1 3.2.4.1.3 2 days
111 3.2.4.1.3 Assemble No 3.2.4.1.2 3 days
Project: Refinery Overhauling Wrok Breakdown Structure
By Ashar (8391) & Basit (8387) Page 4 To: Mr. M. Akram

5. ID WBS Task Name Milestone WBS Predecessors WBS Successors Duration
112 3.2.4.2 Civil jobs No 3 days
113 3.2.4.2.1 Maintenance No 3.2.4.2.2 1 day
114 3.2.4.2.2 Curing No 3.2.4.2.1 2 days
115 3.2.4.3 Electrical & Instrumentation jobs No 2 days
116 3.2.5 Valves No 3 days
117 3.2.5.1 Mechanical jobs No 3 days
118 3.2.5.2 Electrical & Instrumentation jobs No 2 days
119 3.2.6 Reactors No 6 days
120 3.2.6.1 Mechanical jobs No 6 days
121 3.2.6.1.1 Dismantle No 3.2.6.1.2 2 days
122 3.2.6.1.2 Perform maintenance No 3.2.6.1.1 3.2.6.1.3 2 days
123 3.2.6.1.3 Assemble No 3.2.6.1.2 2 days
124 3.2.6.2 Civil jobs No 2 days
125 3.2.6.2.1 Maintenance No 1 day
126 3.2.6.2.2 Curing No 2 days
127 3.2.6.3 Electrical & Instrumentation jobs No 2 days
128 3.2.7 Piping No 5 days
129 3.2.7.1 Mechanical jobs No 5 days
130 3.2.7.1.1 Dismantle No 4 days
131 3.2.7.1.2 Perform maintenance No 5 days
132 3.2.7.1.3 Assemble No 5 days
133 3.2.8 Control Room No 5 days
134 3.2.8.1 Electrical & Instrumentation jobs No 5 days
135 3.3 Final Inspection for Verification of
Jobs
No 3.2 3.4 3 days
136 3.3.1 Columns No 2 days
137 3.3.2 Exchangers No 2 days
138 3.3.3 Vessels No 1 day
139 3.3.4 Heaters No 1 day
140 3.3.5 Valves No 2 days
141 3.3.6 Reactors No 1 day
Project: Refinery Overhauling Wrok Breakdown Structure
By Ashar (8391) & Basit (8387) Page 5 To: Mr. M. Akram

6. ID WBS Task Name Milestone WBS Predecessors WBS Successors Duration
142 3.3.7 Piping No 3 days
143 3.3.8 Control Room No 2 days
144 3.4 Plant Commissioning No 3.3 3.5 2 days
145 3.5 Operation Startup Yes 3.4 0 days
146 4 Post Shutdown Closure No 3 8 days
147 4.1 Close all procurements No 4.3 3 days
148 4.2 Close all service contracts No 4.3 3 days
149 4.3 Compile project performance report No 4.2,4.1 5 days
Project: Refinery Overhauling Wrok Breakdown Structure
By Ashar (8391) & Basit (8387) Page 6 To: Mr. M. Akram