Instruction. Project CE is a Utilities Installation Project. Wherein we will install water pipes, sewer pipes and electrical wirings underground. Given the information below, answer the following questions;

$\backslash$table$[[$Activity$,$Description,Predecessol$],[$ID$,$Description,$\backslash$table$[[$Duration$],[($Days$)]]],[$A$,$Site Clearing,$3,-,$None$],[$B$,$Surveying and layout.,$2,\backslash$table$[[$Cannot start before the site is cleared; otherwise, many of the$],[$survey stakes would be lost in the clearing operation$]],],[$c$,$Rough Grading,$2,$Cannot start until the area has been survey and laid out.,$],[$D$,$Drilling of well,$15,$Cannot start until the rough grading operation is completed.,$],[$E$,\backslash$table$[[$Installation of well$],[$pump$]],2,$Cannot be done until well is completed drilled.,$],[$F$,\backslash$table$[[$Underground water$],[,$ piping$]],8,\backslash$table$[[$Although this might be started earlier, the site contractor$],[$prefers to work starting from the pump toward the building$],[$site$.]],],[$G$,\backslash$table$[[$Installation of Water$],[$tank foundation$]],4,\backslash$table$[[$After the rough grading, these simple foundations can be$],[$installed$.]],],[$H$,$Erection of water tank,$10,\backslash$table$[[$The water tank cannot be erected until the foundations are$],[$poured$.]],],[$I$,\backslash$table$[[$Tank piping and$],[$valves$]],10,\backslash$table$[[$Cannot be fabricated and installed until the water tank is$],[$completed$.]],],[$J$,\backslash$table$[[$Connecting all the$],[$water pipes & valves$]],2,\backslash$table$[[$The water piping cannot be linked up until both sections $($tank$],[$piping & valves$)$ are completed.$]],],[$K$,$Excavation for sewer,$10,$Can be started after rough grading.,$],[$L$,\backslash$table$[[$Installation of the$],[$sewer and backfill$]],5,$Immediately follows after sewer excavation.,$],[$M$,\backslash$table$[[$Excavation for$],[$electrical manholes$]],1,$Can start after rough grading.,$],[$N$,\backslash$table$[[$Installation of$],[$electrical manholes$]],5,$Cannot start until the excavation for manholes is completed.,$],[0,\backslash$table$[[$Installation of$],[$electrical duct bank$]],3,\backslash$table$[[$Start after the electrical manholes are complete and the$],[$completion of the sewer line, because that line is deeper than$],[$the duct bank.$]],],[$P$,\backslash$table$[[$Installation of$],[$overhead pole line$]],6,$Can be started after the site is rough graded.,$],[$Q$,\backslash$table$[[$Pulling of the power$],[$feeder $($electric$)]],5,\backslash$table$[[$Can start after both the duct bank and the overhead pole line$],[$are installed and ready to receive the cable$]],],[$R$,\backslash$table$[[$Drafting of Building$],[$Layout$]],1,\backslash$table$[[$It is dependent on the completion of the installation of all$],[$electric and water lines $($pipes & valves$).]],]]$

Identify the Critical Path, Duration, ES$,$EF$,$LS$,$LF$,$ TF$,$ FF