(a) Develop a work breakdown and activity network for the project of designing a tower to support a radio transmission antenna.

(b) Select a vacant site in your vicinity and define the various activities and precedences among these activities that would be required to prepare the site for the placement of pre-fabricated residences. Use the coding system for site work shown in the table below for executing this problem.

02-010 Subsurface investigation 02-350 Piles and caissons 02-012 Standard penetration tests 02-355 Pile driving 02-016 Seismic investigation 02-360 Driven piles 02-050 Demolition 02-370 Bored/augered piles 02-380 Caissons 02-060 Building demolition 02-070 Selective demolition 02-450 Railroad work 02-075 Concrete removal 02-480 Marine work 02-080 Asbestos removal 02-500 Paving and surfacing 02-100 Site preparation 02-510 Walk, road and parking paving 02-110 Site clearing 02-515 Unit pavers 02-115 Selective clearing 02-525 Curbs 02-120 Structure moving 02-530 Athletic paving and surfacing 02-140 Dewatering 02-540 Synthetic surfacing 02-150 Shoring and underpinning 02-545 Surfacing 02-550 Highway paving 02-160 Excavation supporting system 02-560 Airfield paving 02-170 Cofferdams 02-575 | Pavement repair 02-200 Earthwork 02-580 Pavement marking 02-210 Grading 02-600 Piped utility materials 02-220 Excavating, backfilling and compaction 02-660 Water distribution 02-230 Base course 02-680 02-240 Soil stabilization Fuel distribution 02-250 Vibro-floatation 02-700 Sewage and drainage 02-270 Slope protection 02-760 Restoration of underground pipelines 02-280 Soil treatment 02-770 Ponds and reservoirs 02-290 Earth dams 02-800 02-300 Tunneling Power and communications 02-305 Tunnel ventilation 02-880 Site improvements 02-310 Tunnel excavating 02-900 Landscaping 02-320 Tunnel lining 02-330 Tunnel grouting 02-340 Tunnel support systems