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Room Additions – Construction Task Timing

Room Additions - Estimated Time To Complete Specific Tasks

The following is a listing of many planning and construction aspects that are involved in the construction of a typical room addition. If you plan to tackle a room addition project you will be involved in virtually all of the following tasks in one way or another. I have taken the liberty to group some tasks together and others are broken down into sub groups. There are actually hundreds of individual "things" that have to be done.

I researched my past records and averaged the times. Not all room additions are alike. The times shown below are for a 400 square foot single story addition with moderate access. This means materials have to be hand carried from the front of the house to the rear. The below estimations also include a close approximation of the man/woman hours it may take to complete the listed task. If you plan to do things for the first time, be sure to add additional time. Your room addition project may not include some of the listed tasks. If it doesn't, be sure to substitute things that may take the place of a listed task. You will be surprised how time seems to disappear each day.

The numbers also include the amount of time it takes to estimate, order, pickup, transport, and unload the necessary materials. This running time can be enormous.

Estimated Time To Complete Specific Tasks

Planning - All Aspects
80 Hours
Building Permit
6 Hours
Survey/Stakeout
8 Hours
Site Clearing
12 Hours
Excavation
24 Hours
Footings/Foundations
40 Hours
Footing Drain Tile & 1" Gravel Cover
8 Hours
Downspout Drainage System
12 Hours
Termite Control
4 Hours
Structural Steel
6 Hours
Rough Grading
14 Hours
Excess Dirt Off-site Removal
12 Hours
Gravel
12 Hours
Interior Concrete Slabs
16 Hours
Demolition
40 Hours
Asbestos Removal
12 Hours
Lead Abatement
12 Hours
Rough Carpentry
80 Hours
Backhoe Work
12 Hours
Roofing
20 Hours
Heating/Ventilating/Air Conditioning
40 Hours
Plumbing
40 Hours
Electric
36 Hours
Phone/Computer/Cable TV Wiring
12 Hours
Security/Fire Alarm Wiring
8 Hours
Insulation
12 Hours
Drywall/Plastering
40 Hours
Windows
16 Hours
Exterior Doors
8 Hours
Exterior Carpentry
24 Hours
Masonry (Brickwork, Stonework, etc.)
36 Hours
Stucco
40 Hours
Vinyl Siding/Trim
24 Hours
Gutters/Downspouts
12 Hours
Exterior Painting/Staining
24 Hours
Exterior Sidewalks/Patios
24 Hours
Interior Trim
24 Hours
Interior Doors
12 Hours
Built-in Cabinetry
16 Hours
Interior Painting
50 Hours
Wall Coverings
16 Hours
Hardwood Flooring
32 Hours
Carpeting
16 Hours
Linoleum/Vinyl Tile
10 Hours
Ceramic Tile
24 Hours
Kitchen Cabinets
24 Hours
Bath Cabinets
4 Hours
Kitchen Counter Tops
4 Hours
Bath Counter Tops
2 Hours
Laundry Room Cabinets & Tops
6 Hours
Appliances
8 Hours
Plumbing Fixtures/Fans
12 Hours
Lighting Fixtures/Fans
12 Hours
Mirrors
6 Hours
Hardware
10 Hours
Miscellaneous Fixtures
8 Hours
Specialty Shelving
6 Hours
Miscellaneous Allowance Items
12 Hours
Garage Doors & Openers
12 Hours
Driveway Apron (cleaning)
8 Hours
Driveway (restoration from trucks)
16 Hours
Final Grading
8 Hours
Landscaping
12 Hours
Debris Removal/Dumpster Fees
30 Hours
Construction Utilities
8 Hours
Final Cleaning
12 Hours
Weather Delays
24 Hours
Mistakes/Problems
32 Hours
Mistakes/Problems
32 Hours
Tool Rental
12 Hours
Phone Ordering
16 Hours

Missing Time

Don't forget to include "thinking" time. What is this? This is when you will stop all work and scratch your head wondering if you are doing something right. It happens on all jobs. Sometimes it may take an hour or two to determine the best way to solve a problem. This isn't wasted time, just "thought" time!

Related Articles:  DIY Room Addition in 7 Weeks, Room Additions, Room Addition

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