Activity Activity Description Immediate Predecessor Time Estimates $($days$)$

o$-$ m$-$ p

a Excavation $-3-4-6$

b Lay foundation a $2-3-5$

c Frame and roof b $2-4-5$

d Lay drain tiles b $1-2-4$

e Sewer $($floor$)$ drains b $1-2-3$

f Install insulation c $2-4-5$

g Pour basement floor e $2-3-5$

h Rough plumbing, pipes e $2-4-7$

i Install windows f $1-3-4$

j Rough electrical wiring f $1-2-4$

k Install air conditioners c$,$g $3-5-8$

l Exterior brickwork i $5-6-10$

m Install plasterboard, mud, plaster j$,$h$,$k $6-8-12$

n Roof shingles, flushing l $2-3-6$

o Attach gutter, downspouts n $1-2-5$

p Grading d$,$o $2-3-7$

q Lay subflooring m $3-4-6$

r Lay driveway, walks and landscape p $4-6-10$

s Finish carpentry q $3-5-12$

t Kitchen cabinetry, sink and appliances q $2-4-8$

u Bathroom cabinetry, fixtures q $2-3-6$

v Painting the walls t$,$u $4-6-10$

w Finish wood floors, lay carpet v$,$s $2-5-8$

x Final electrical and light fixtures v $1-3-4$

END r$,$w$,$x