Question: Draw the critical path network using activity on arrow format. Label each activity with its description and duration. Use excel or PowerPoint to graph your

Draw the critical path network using activity on arrow format. Label each activity with its description and duration. Use excel or PowerPoint to graph your schedule Activity and their Immediate Prerequisites Activity Description Immediate Prerequisites A B C D E F A,B&C D E G H D&F H&G J K L M N L&M I&N O P O S Survey and stake. Move in bulldozer Move in and erect support buildings. Clear Section L. Construct temporary access road to Section 2. Move in scrapers and related equipment. M ove drilling equipment to Section 2. Clear and remove overburden from Section 2 Excavate and fill Section I to proper level. Drill and blast Section 2-Phase One. Remove material from blast-Phase One. Drilland-blast-Section 2-Phase Two. Clear Section 3 Remove materials from blast Phase Two Fill Section 2 to proper level. E xcavate and fill Section 3 to proper level. Install culvert in Section 1. Install culvert in Section 3. Move rollers, graders, and water truck to site. Irade section ! Grade section 2 Grade section 3 Haul base gravel to Section ! Haul base gravel to Section 2 Haul base gravel to Section 3. Place base! Place base Place base Haul finish gravel to Section I Haul finish gravel to Section 2 Haul finish gravel to Section 3 Bring in storage tank &' distributor Pave Section 1 Pave Section 2 Pave Section 3 Install required guardrails and signs. Final inspection, clean-up, and movement of equipment and buildings Q&S ORT V RAU W Y URZ V&AA W X Y BB CC DD AAACC BB&DD FF GG HH II JJ KK CC&FF DD&FF EERFF BB GG, HH, II, & JJ HH II DOFF E&FF Pave Section 2 Pave Section 3. install required and rails and is Final inspection, clean-up and movement of equipment and KK GGHH. IL & TABLE OF PRELIMINARY ESTIMATES Activity Normal Time Cost First Crash Time Cost Second Crash Time Cost 4 4 S21SD 60 52.570 $3.680 1330 4 3 50 1.790 1.600 1.960- 1310 1.10 1.050 IIIIIIIII 1000 40 - 1.250 8020 I 112 7.710 11.4 7.1 52 tvenu Activity JO Duration 2140 800 ! 20 50 51042 allolz 2.460 1,090 3.820 4.190 1.140 7.0 30 30 43 20 4,600 5.140 1320 3.960 1,040 920 1,300 4,970 1. 102 9.1 00 S350 1910 65 1 41 1 3370 TRA 16.150 50 EPISNIS 2010 190 180 1.390 - 5.380 4320 5.0 2,790 3.2 16.466 3.8 271012 14.160 2 3 2010 34 97013 1.790 28 870 3.0 3.650 1.7 3.920 20 16.67 22520 20 1110 1.930 120 44 0018 1.580 32 710 3 8 3.470 2 2 5.590 2.3 CC 24 DD EE 32 20 45 870 38 2.7 SO 9.1502 5 3.970 18 6.240 2.1 15701 5900 1200 16 20 3.820 4,100 Draw the critical path network using activity on arrow format. Label each activity with its description and duration. Use excel or PowerPoint to graph your schedule Activity and their Immediate Prerequisites Activity Description Immediate Prerequisites A B C D E F A,B&C D E G H D&F H&G J K L M N L&M I&N O P O S Survey and stake. Move in bulldozer Move in and erect support buildings. Clear Section L. Construct temporary access road to Section 2. Move in scrapers and related equipment. M ove drilling equipment to Section 2. Clear and remove overburden from Section 2 Excavate and fill Section I to proper level. Drill and blast Section 2-Phase One. Remove material from blast-Phase One. Drilland-blast-Section 2-Phase Two. Clear Section 3 Remove materials from blast Phase Two Fill Section 2 to proper level. E xcavate and fill Section 3 to proper level. Install culvert in Section 1. Install culvert in Section 3. Move rollers, graders, and water truck to site. Irade section ! Grade section 2 Grade section 3 Haul base gravel to Section ! Haul base gravel to Section 2 Haul base gravel to Section 3. Place base! Place base Place base Haul finish gravel to Section I Haul finish gravel to Section 2 Haul finish gravel to Section 3 Bring in storage tank &' distributor Pave Section 1 Pave Section 2 Pave Section 3 Install required guardrails and signs. Final inspection, clean-up, and movement of equipment and buildings Q&S ORT V RAU W Y URZ V&AA W X Y BB CC DD AAACC BB&DD FF GG HH II JJ KK CC&FF DD&FF EERFF BB GG, HH, II, & JJ HH II DOFF E&FF Pave Section 2 Pave Section 3. install required and rails and is Final inspection, clean-up and movement of equipment and KK GGHH. IL & TABLE OF PRELIMINARY ESTIMATES Activity Normal Time Cost First Crash Time Cost Second Crash Time Cost 4 4 S21SD 60 52.570 $3.680 1330 4 3 50 1.790 1.600 1.960- 1310 1.10 1.050 IIIIIIIII 1000 40 - 1.250 8020 I 112 7.710 11.4 7.1 52 tvenu Activity JO Duration 2140 800 ! 20 50 51042 allolz 2.460 1,090 3.820 4.190 1.140 7.0 30 30 43 20 4,600 5.140 1320 3.960 1,040 920 1,300 4,970 1. 102 9.1 00 S350 1910 65 1 41 1 3370 TRA 16.150 50 EPISNIS 2010 190 180 1.390 - 5.380 4320 5.0 2,790 3.2 16.466 3.8 271012 14.160 2 3 2010 34 97013 1.790 28 870 3.0 3.650 1.7 3.920 20 16.67 22520 20 1110 1.930 120 44 0018 1.580 32 710 3 8 3.470 2 2 5.590 2.3 CC 24 DD EE 32 20 45 870 38 2.7 SO 9.1502 5 3.970 18 6.240 2.1 15701 5900 1200 16 20 3.820 4,100

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