Construction Sequencing

Front 1

Sequence:

Back 1

the order in which activities occur

Front 2

Projects follow different types of construction schedules:

Back 2

Gannt/Bar Chart

Critical Path Method

Front 3

Gantt/Bar Chart:

Back 3

illustrates start to finish dates of a project broken out by activity.

• They focus primarily on schedule management rather than the size of the project orthe relative size of the work elements/activities.

• Can’t show the relationship between activities

Front 4

Critical Path Method:

Back 4

all events expected to occur and operations to be performed incompleted a given process are rendered in a form permitting determination of theoptimum sequence and duration of each operation.

• The diagram is called a Network Diagram

• Circles are are start and finishes, arrows are tasks, numbers show the time for eachtask to occur.

Front 5

Critical Path:

Back 5

the path with the longest required time from start to finish is the basisfor the schedule. Activities on this path are called critical activities

Front 6

Float:

Back 6

range of time during which non critical activities can start/end without affectingthe overall schedule

Front 7

Total Float:

Back 7

individual float times added together don't influence the critical path time

Front 8

Concepts/Goals:

Back 8

• Determining construction sequencing is part of the larger construction planning andscheduling process.

• People/communities need to be aware of the interaction of the natural systems in thelandscape, and need to make planning/design/development decision that will protect andenhance the interaction of those systems in the landscape.

Front 9

Stake Lot:

Back 9

A Surveyor accurately drives stakes to locate boundaries and building lines

Front 10

Install Temporary Utilities:

Back 10

includes water, power, phone/data, toilets, job shack, etc.

Front 11

Clear and Rough Grade:

Back 11

Remove necessary trees and undergrowth from the site andgrade site for approximate drainage patterns, yards, driveways, walkways, etc.

Front 12

Apply surface stabilization:

Back 12

including graded areas, channels, dikes, streams, anddisturbed areas where work won’t take place for 30+ days by temp seeding/mulching.

Front 13

Excavate:

Back 13

for foundation, slurry walls, basements

Front 14

Pour footings/piles/caissons:

Back 14

depending on site, soil, and seismic requirements

Front 15

Pour Foundation:

Back 15

slab on grade, crawl space, basement, etc.

Front 16

Install Waterproofing and Foundation Drain:

Back 16

locate below grade to minimize wateraccumulation

Front 17

Install sewer and Water Taps:

Back 17

connect to municipal system mains

Front 18

Backfill:

Back 18

push excavated dirt into ditches surrounding foundation and grade for drainageaway from the building/foundation wall.

Front 19

Install slab plumbing:

Back 19

any plumbing that would go in the slab on grade/basement floor.

Front 20

Pour slab

Back 20

for slab on grade or basement

Front 21

Install exterior framing, windows, doors:

Back 21

includes flashing/waterproofing at openings

Front 22

Install Roofing Materials:

Back 22

shingles, bitumen, etc.

Front 23

Install Siding and Trim:

Back 23

remember vapor barrier goes on warm side of the insulation.Prime, seal, and paint as required as soon as possible.

Front 24

Install Gutters/Downspouts:

Back 24

get water away from building

Front 25

Build Retaining Walls:

Back 25

can be structural or decorative

Front 26

Pour Sidewalks, Driveways, Patios, Curbs

Back 26

typically concrete

Front 27

Install Asphalt:

Back 27

parking lots, roads, etc.

Front 28

Finish Grading and Landscape:

Back 28

ensure proper drainage and landscape. Removeany unstable sentiment, remove any temporary structures.

Front 29

Install Interior framing:

Back 29

includes partitions, walls, soffits

Front 30

Install Stairs:

Back 30

rough frame with finishes to follow

Front 31

Install rough HVAC/Plumbing/Electrical:

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run major ductwork, install pipes, runwires, and install electrical boxes

Front 32

Install Electric/Gas meters:

Back 32

set up for heating and conditioning the interior spaces

Front 33

Insulate:

Back 33

vapor barrier goes on warm side of insulation (inside in northern climates)

Front 34

Hang Drywall:

Back 34

then tape, mud, and texture

Front 35

Install Casework:

Back 35

uppers and lowers

Front 36

Install Interior Doors and Trim:

Back 36

includes moulding, window casing, built in casework,stair rails, baseboards, wainscot.

Front 37

Paint and/or Install Wall Finishes:

Back 37

prime/sub layers as required for desired finish.

Front 38

Install Countertops and Lay Tile:

Back 38

typically in wet or work areas.

Front 39

Finish Plumbing/Electrical/HVAC:

Back 39

includes sinks, toilets, lavatories, faucets, lightswitches, outlets, fixtures, fans, registers, thermostats.

Front 40

Install Appliances/Specialty Equipment:

Back 40

either owner or contractor supplied.

Front 41

Install Finish Accessories:

Back 41

including mirrors, toilet accessories, etc.

Front 42

Install Finish Flooring:

Back 42

carpet, hardwood, etc

Front 43

• Install Interior Doors/Relights:

Back 43

includes closets, window screens, glazing partitions,and door hardware

Front 44

Final Cleanup and Touchup:

Back 44

fix any drywall, trim, paint, accessories.