Developing a Network Plan Chapter 4 Developing a Network Plan Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Rollup of Network Plans Figure 4-1 WP-2 A B C D E F WP-1 WP-4 WP-3 Level 1 - Milestone Plan Level 2 - Plans Level 3 - Plans Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

WBS/Work Packages to Network Figure 4-2 Circuit board Design cost account Production cost account Test cost account Software cost account Lowest element O r g a n i z a t i o U n i t s Design WP D-1-1 Specifications WP D-1-2 Documentation Production WP P-10-1 Proto 1 WP P-10-2 Final Proto 2 Test systems WP T-13-1 Test Software WP S-22-1 Software preliminary WP S-22-1 Software final version A D-1-1 D-1-2 B P-10-1 D P-10-2 F S-22-2 K T-13-1 C S-22-1 B Proto 1 5 D Final proto 2 4 A Specifications and documentation 2 C Preliminary software 3 F Final software 2 K Test 3 Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Activity-on-Node Network Fundamentals Figure 4-3 X Y Z Y and Z are preceded by X Y and Z can begin at the same time, if you wish (B) A B C A is preceded by nothing B is preceded by A C is preceded by B (A) J K L M J, K, & L can all begin at the same time, if you wish (they need not occur simultaneously) All (J, K, L) must be completed before M can begin but AA (C) (D) Z is preceded by X and Y AA is preceded by X and Y Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Activity-on-Node Network Fundamentals Figure 4-6 EF KOLL BUSINESS CENTER County Engineers Design Department Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Activity-on-Node Network Forward Pass Figure 4-7 20 15 35 200 20 15 10 KOLL BUSINESS CENTER County Engineers Design Department EF Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Activity-on-Node Network Backward Pass Figure 4-8 LS KOLL BUSINESS CENTER County Engineers Design Department 20 185 10 15 5 Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Activity-on-Node Network with Slack Figure 4-9 LS EF KOLL BUSINESS CENTER County Engineers Design Department 20 15 185 10 5 Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Software Conversion Project Responsibility Matrix Figure 4-10 Activities Organization Unit/Individual Legend R = Responsibility C = Contributes A = Advises Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Air Control Inc., Custom Order Project—Network Diagram Figure 4-12 1 Order review 2 0 2 0 2 2 3 4 5 Software development Order standard parts Produce standard parts Design custom parts 18 2 20 22 40 15 2 17 15 30 10 2 12 5 15 13 2 12 5 15 6 7 8 Manufacture custom hardware Assemble Test Activity # Legend 15 15 30 15 30 10 30 40 30 40 5 40 45 40 45 Duration ES EF LS LF Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Air Control Inc., Custom Order Project—Gantt Chart Figure 4-13 7 14 21 28 35 42 49 2 13 15 10 18 5 Order review Design custom parts Order standard parts Produce standard parts Software development Manufacture custom hardware Assemble Test Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Air Control Inc., Custom Order Project—Network with Dates Figure 4-14 1 Order review 2 1-Jan 2-Jan 1-Jan 2-Jan 2 3 4 5 Software development Order standard parts Produce standard parts Design custom parts 18 2-Jan 20-Jan 22-Jan 9-Jan 15 2-Jan 17-Jan 15-Jan 30-Jan 10 2-Jan 12-Jan 5-Jan 15-Jan 13 2-Jan 15-Jan 2-Jan 15-Jan 6 7 8 Manufacture custom hardware Assemble Test Activity # Legend 15 15-Jan 30-Jan 15-Jan 30-Jan 10 30-Jan 9-Jan 30-Jan 9-Jan 5 9-Jan 14-Jan 9-Jan 14-Jan Duration ES date EF date LS date LF date Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Example of Laddering Using Finish-to-Start Relationship Figure 4-15 Trench 1/3 Lay pipe 1/3 Refill 1/3 AON network Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Finish-to-Start Relationship Figure 4-16 X Y Lag 2 Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Start-to-Start Relationship Figure 4-17 Activity M Activity N Activity P Activity Q Lag 5 A B Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Use of Lags to Reduce Detail Figure 4-18 Trench 1 mile Lay pipe 1 mile Lag 3 Refill 1 mile Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Finish-to-Finish Relationship Figure 4-19 Lag 4 Prototype Testing Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Start-to-Start Relationship Figure 4-20 Lag 3 System documentation Testing Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Combination Relationships Figure 4-21 Lag 2 Code Debug Lag 4 Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Network Using Lags Irwin/McGraw-Hill Figure 4-22 Legend Lag 5 Lag 10 Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000

Hammock Activity Example Figure 4-23 Legend Irwin/McGraw-Hill ©The McGraw-Hill Companies, 2000