Page 1
Reliable Construction Co. Project Scheduling Problem
Activity Predecessors ES EF LS
H 10 — 0 10 0
I 8 H 10 18 15
J 6 H 10 16 10
K 4 J 16 20 21L 2 J 16 18 31M 4 J 16 20 16N 4 I 18 22 23O 5 I 18 23 25P 5 I,J 18 23 28Q 5 L 18 23 33R 5 M 20 25 20S 3 N 22 25 27T 3 Q 23 26 38U 1 O,S 25 26 30V 5 K,R 25 30 25W 2 U 26 28 31X 3 V 30 33 30Y 8 W,X 33 41 33Z 6 Y,T 41 47 41
Project mean Duration 47 4.0552.01370306
0.9985617
Mean Duration
Page 2
LF Slack Critical?
10 0.00 YES
23 5.00 NO
16 0.00 YES
25 5.00 NO33 15.00 NO20 0.00 YES27 5.00 NO30 7.00 NO33 10.00 NO38 15.00 NO25 0.00 YES30 5.00 NO41 15.00 NO31 5.00 NO30 0.00 YES33 5.00 NO33 0.00 YES41 0.00 YES47 0.00 YES
Page 3
Template for PERT/Cost
Estimated
DurationActivity (weeks) ES EF
H 10 0 10I 8 10 18J 6 10 16K 4 16 20L 2 16 18M 4 16 20N 4 18 22O 5 18 23P 5 18 23Q 5 18 23R 5 20 25S 3 22 25T 3 23 26U 1 25 26V 5 25 30W 2 26 28X 3 30 33Y 8 33 41Z 6 41 47
Weekly Project requirementCumulative Project requirement
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 450
2
4
6
8
10
12
14
16
18
20
22
24
26
ES labor
Page 4
Week Week Week Week1 2 3 4
5 5 5 5 54 0 0 0 08 0 0 0 02 0 0 0 06 0 0 0 03 0 0 0 02 0 0 0 05 0 0 0 06 0 0 0 02 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 09 0 0 0 0
14 0 0 0 06 0 0 0 06 0 0 0 0
14 0 0 0 05 0 0 0 0
5 5 5 55 10 15 20
Weekly labor requirement
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 450
2
4
6
8
10
12
14
16
18
20
22
24
26
ES labor
Page 5
Week Week Week Week Week5 6 7 8 95 5 5 5 50 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 05 5 5 5 5
25 30 35 40 45
Page 6
Week Week Week Week Week10 11 12 13 145 0 0 0 00 4 4 4 40 8 8 8 80 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 05 12 12 12 12
50 62 74 86 98
Page 7
Week Week Week Week Week15 16 17 18 190 0 0 0 04 4 4 4 08 8 0 0 00 0 2 2 20 0 6 6 00 0 3 3 30 0 0 0 20 0 0 0 50 0 0 0 60 0 0 0 20 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 0
12 12 15 15 20110 122 137 152 172
Page 8
Week Week Week Week Week20 21 22 23 240 0 0 0 00 0 0 0 00 0 0 0 02 0 0 0 00 0 0 0 03 0 0 0 02 2 2 0 05 5 5 5 06 6 6 6 02 2 2 2 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 0
20 15 15 13 0192 207 222 235 235
Page 9
Week Week Week Week Week25 26 27 28 290 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 9 0 0 00 14 14 14 140 0 6 6 00 0 0 0 00 0 0 0 00 0 0 0 00 23 20 20 14
235 258 278 298 312
Page 10
Week Week Week Week Week30 31 32 33 340 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 0
14 0 0 0 00 0 0 0 00 6 6 6 00 0 0 0 140 0 0 0 0
14 6 6 6 14326 332 338 344 358
Page 11
Week Week Week Week Week35 36 37 38 390 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 0
14 14 14 14 140 0 0 0 0
14 14 14 14 14372 386 400 414 428
Page 12
Week Week Week Week Week40 41 42 43 440 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 0
14 14 0 0 00 0 5 5 5
14 14 5 5 5442 456 461 466 471
Page 13
Week Week45 460 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 05 55 5
476 481
Page 14
Template for PERT/Cost
Estimated
Duration Week Week
Activity (weeks) LS LF 1 2
H 10 0 10 5 5 5
I 8 15 23 4 0 0
J 6 10 16 8 0 0
K 4 21 25 2 0 0
L 2 31 33 6 0 0
M 4 16 20 3 0 0
N 4 23 27 2 0 0
O 5 25 30 5 0 0
P 5 28 33 6 0 0
Q 5 33 38 2 0 0
R 5 20 25 0 0 0
S 3 27 30 0 0 0
T 3 38 41 0 0 0
U 1 30 31 9 0 0
V 5 25 30 14 0 0
W 2 31 33 6 0 0
X 3 30 33 6 0 0
Y 8 33 41 14 0 0
Z 6 41 47 5 0 0Weekly Project requirementt 5 5
Cumulative Project requirement 5 10
Weekly labor requirement
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 450
5
10
15
20
25
30LS labor
Page 15
Week Week Week Week Week Week Week Week
3 4 5 6 7 8 9 10
5 5 5 5 5 5 5 5
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 05 5 5 5 5 5 5 5
15 20 25 30 35 40 45 50
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 450
5
10
15
20
25
30LS labor
Page 16
Week Week Week Week Week Week Week Week
11 12 13 14 15 16 17 18
0 0 0 0 0 0 0 0
0 0 0 0 0 4 4 4
8 8 8 8 8 8 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 3 3
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 08 8 8 8 8 12 7 7
58 66 74 82 90 102 109 116
Page 17
Week Week Week Week Week Week Week Week
19 20 21 22 23 24 25 26
0 0 0 0 0 0 0 0
4 4 4 4 4 0 0 0
0 0 0 0 0 0 0 0
0 0 0 2 2 2 2 0
0 0 0 0 0 0 0 0
3 3 0 0 0 0 0 0
0 0 0 0 0 2 2 2
0 0 0 0 0 0 0 5
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 14
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 07 7 4 6 6 4 4 21
123 130 134 140 146 150 154 175
Page 18
Week Week Week Week Week Week Week Week
27 28 29 30 31 32 33 34
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 6 6 0
0 0 0 0 0 0 0 0
2 0 0 0 0 0 0 0
5 5 5 5 0 0 0 0
0 0 6 6 6 6 6 0
0 0 0 0 0 0 0 2
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 9 0 0 0
14 14 14 14 0 0 0 0
0 0 0 0 0 6 6 0
0 0 0 0 6 6 6 0
0 0 0 0 0 0 0 14
0 0 0 0 0 0 0 021 19 25 25 21 24 24 16
196 215 240 265 286 310 334 350
Page 19
Week Week Week Week Week Week Week Week
35 36 37 38 39 40 41 42
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
2 2 2 2 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
14 14 14 14 14 14 14 0
0 0 0 0 0 0 0 516 16 16 16 14 14 14 5
366 382 398 414 428 442 456 461
Page 20
Week Week Week Week
43 44 45 46
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
5 5 5 55 5 5 5
466 471 476 481
Page 21
Template for PERT/Cost
Estimated
DurationActivity (weeks) ES EF
H 10 0 10I 8 10 18J 6 10 16K 4 16 20L 2 16 18M 4 16 20N 4 18 22O 5 18 23P 5 18 23Q 5 18 23R 5 20 25S 3 22 25T 3 23 26U 1 25 26V 5 25 30W 2 26 28X 3 30 33Y 8 33 41Z 6 41 47
Weekly Project requirementCumulative Project requirement
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 450
2
4
6
8
10
12
14
16
18ES Equipment
Page 22
Week Week Week Week1 2 3 4
8 8 8 8 82 0 0 0 06 0 0 0 01 0 0 0 02 0 0 0 02 0 0 0 00 0 0 0 00 0 0 0 06 0 0 0 00 0 0 0 04 0 0 0 04 0 0 0 00 0 0 0 08 0 0 0 08 0 0 0 08 0 0 0 08 0 0 0 08 0 0 0 08 0 0 0 0
8 8 8 88 16 24 32
Weekly labor requirement
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 450
2
4
6
8
10
12
14
16
18ES Equipment
Page 23
Week Week Week Week Week5 6 7 8 98 8 8 8 80 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 08 8 8 8 8
40 48 56 64 72
Page 24
Week Week Week Week Week10 11 12 13 148 0 0 0 00 2 2 2 20 6 6 6 60 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 08 8 8 8 8
80 88 96 104 112
Page 25
Week Week Week Week Week15 16 17 18 190 0 0 0 02 2 2 2 06 6 0 0 00 0 1 1 10 0 2 2 00 0 2 2 20 0 0 0 00 0 0 0 00 0 0 0 60 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 08 8 7 7 9
120 128 135 142 151
Page 26
Week Week Week Week Week20 21 22 23 240 0 0 0 00 0 0 0 00 0 0 0 01 0 0 0 00 0 0 0 02 0 0 0 00 0 0 0 00 0 0 0 06 6 6 6 00 0 0 0 00 4 4 4 40 0 0 4 40 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 09 10 10 14 8
160 170 180 194 202
Page 27
Week Week Week Week Week25 26 27 28 290 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 04 0 0 0 04 0 0 0 00 0 0 0 00 8 0 0 00 8 8 8 80 0 8 8 00 0 0 0 00 0 0 0 00 0 0 0 08 16 16 16 8
210 226 242 258 266
Page 28
Week Week Week Week Week30 31 32 33 340 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 08 0 0 0 00 0 0 0 00 8 8 8 00 0 0 0 80 0 0 0 08 8 8 8 8
274 282 290 298 306
Page 29
Week Week Week Week Week35 36 37 38 390 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 08 8 8 8 80 0 0 0 08 8 8 8 8
314 322 330 338 346
Page 30
Week Week Week Week Week40 41 42 43 440 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 08 8 0 0 00 0 8 8 88 8 8 8 8
354 362 370 378 386
Page 31
Week Week45 460 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 08 88 8
394 402
Page 32
Template for PERT/Cost
Estimated
DurationActivity (weeks) LS LF
H 10 0 10I 8 15 23J 6 10 16K 4 21 25L 2 31 33M 4 16 20N 4 23 27O 5 25 30P 5 28 33Q 5 33 38R 5 20 25S 3 27 30T 3 38 41U 1 30 31V 5 25 30W 2 31 33X 3 30 33Y 8 33 41Z 6 41 47
Weekly Project requirementCumulative Project Cummulative
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 450
5
10
15
20
25
30 LS Equipment
Page 33
Week Week Week Week1 2 3 4
8 8 8 8 82 0 0 0 06 0 0 0 01 0 0 0 02 0 0 0 02 0 0 0 00 0 0 0 00 0 0 0 06 0 0 0 00 0 0 0 04 0 0 0 04 0 0 0 00 0 0 0 08 0 0 0 08 0 0 0 08 0 0 0 08 0 0 0 08 0 0 0 08 0 0 0 0
8 8 8 88 16 24 32
Weekly labor requirement
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 450
5
10
15
20
25
30 LS Equipment
Page 34
Week Week Week Week Week5 6 7 8 98 8 8 8 80 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 08 8 8 8 8
40 48 56 64 72
Page 35
Week Week Week Week Week10 11 12 13 148 0 0 0 00 0 0 0 00 6 6 6 60 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 08 6 6 6 6
80 86 92 98 104
Page 36
Week Week Week Week Week15 16 17 18 190 0 0 0 00 2 2 2 26 6 0 0 00 0 0 0 00 0 0 0 00 0 2 2 20 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 06 8 4 4 4
110 118 122 126 130
Page 37
Week Week Week Week Week20 21 22 23 240 0 0 0 02 2 2 2 00 0 0 0 00 0 1 1 10 0 0 0 02 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 4 4 4 40 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 04 6 7 7 5
134 140 147 154 159
Page 38
Week Week Week Week Week25 26 27 28 290 0 0 0 00 0 0 0 00 0 0 0 01 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 60 0 0 0 04 0 0 0 00 0 0 4 40 0 0 0 00 0 0 0 00 8 8 8 80 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 05 8 8 12 18
164 172 180 192 210
Page 39
Week Week Week Week Week30 31 32 33 340 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 2 2 00 0 0 0 00 0 0 0 00 0 0 0 06 6 6 6 00 0 0 0 00 0 0 0 04 0 0 0 00 0 0 0 00 8 0 0 08 0 0 0 00 0 8 8 00 8 8 8 00 0 0 0 80 0 0 0 0
18 22 24 24 8228 250 274 298 306
Page 40
Week Week Week Week Week35 36 37 38 390 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 08 8 8 8 80 0 0 0 08 8 8 8 8
314 322 330 338 346
Page 41
Week Week Week Week Week40 41 42 43 440 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 00 0 0 0 08 8 0 0 00 0 8 8 88 8 8 8 8
354 362 370 378 386
Page 42
Week Week45 460 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 08 88 8
394 402