How to Build Your Own Home - Lesson 3 - Your Plans - What You Want With Your Drawings

Whether you order plans out of a magazine orhave installed these stairs in short hallways only to
catalog, hire a draftsman, or an architect, this isrealize, after the fact, there was not enough
what you want to receive with your house plans:room to open them. I was then forced to
(a) a foundation plan,purchase attic stairs that did not unfold, but rather
(b) a floor plan,slid up into the attic. These stairs cost ten times
(c) the exterior elevations,more than the regular pull-down type. Make sure,
(d) the cabinet elevations,on the floor plan, there is adequate room for your
(e) the cornice and rake details,attic stairs.viii. Garage doors
(f) a cross section,In many garages the only way you can get into
(g) an electrical plan,or out of the garage is to raise the garage door
(h) a framing plan, andor walk through the home. I like to install a
(i) a door and window schedule.separate door in the garage for exit and entry
Don't assume you're going to receive all of thesewithout going through the home or raising the
items. You must verify what items you expect togarage door. This also needs to be shown on the
receive, first, and include your requirements infloor plan.
your contract if you hire a draftsman/designer orMany builders will install an 8-foot wide garage
architect.a. Foundation Plandoor for a single door and a 16-foot wide garage
The first thing you want is the foundation plan. Ifdoor for a double door. I recommend you spend
your home is going to have a basement, yourthe additional money (it's not that much) and install
plan needs to show a basement. If it is going toa 9-foot wide garage door for a single door and
have a crawl space, your plan needs to show aan 18-foot wide garage door for a double door.
crawl space. If it is going to be built on a solidThat way you don't have to do precision driving
concrete floor on top of the ground, called a slab,as you drive in and out of the garage. Because 16
your plan needs to show a slab.and 18-foot doors tend to sag over time, I prefer
If you have full-unfinished basement, a lot of planstwo single doors rather than one large door. Also
will show a beam down the center of theconsider installing an 8-foot tall door instead of the
basement. On top of the beam would be the floorstandard 7-foot tall garage door. Considering that
system for the first floor. This beam is normallythe larger SUV's [sport utility vehicles] are very
made of steel or wood. If money is no problem,tall.ix. Miscellaneous items
you could install a continuous steel beam thatShow the size and location of all medicine
would run the entire length of the home. If thiscabinets, skylights, laundry shoots, and
beam were large enough, you could support yourdumbwaiters on the floor plan. As a note, if you're
home and need no support columns or postsgoing to spend the money for a dumbwaiter, look
under this beam. It would look like a large openinto the cost of a residential elevator. For a little
roller skating rink in your basement. This beammore money, the residential elevator is more
could be very expensive. As the beam becomesuseful in the long run than a dumbwaiter.c. Exterior
smaller, which is cheaper, you will need columns orelevations
posts underneath the beam for support. TheYour plans should show the front, rear, and right
smaller the beam, the more posts will be needed.and left side exterior elevations of your home.
So the size of the beam is a function of theThe elevations will show you how the how the
number of support posts you're willing to live with.exterior of your home will look and what material
The person that can tell you what size beam towill be used.d. Cabinet elevations
use, based on the number of posts you want, isMany builders will build without cabinet elevations.
a structural engineer. If you wanted to remove aIf you want to clear up assumptions, I highly
post or support wall in an existing home, contactrecommend you have cabinet elevations. When I
a structural engineer rather than an architect.say cabinets, I mean the kitchen cabinets, the
Most architects will sub the job to a structuralbath vanities and any built-in cabinets and/or
engineer. A structural engineer can also tell you ifbookcases.
you have the correct size beam.Note: Plans from a catalog will normally include
As a builder, instead of a beam with posts, I thinkcabinet elevations. If you hire a draftsman or an
about how I would finish the basement. I mayarchitect they can include them for you. If you
have a future game room, a workshop, etc. Thenhave money in your budget you could hire a
I go ahead and build the walls in the basementprofessional kitchen and bath designer or CKD
according to my vision. These walls will now[Certified Kitchen Designer]. To find a CKD in your
become load-bearing walls. On top of thesearea and to learn more about kitchen and bath
load-bearing walls we'll build the floor system fordesign go to the web site for the National Kitchen
the first floor.and Bath Association.e. Sections
There are two good reasons for doing this. FirstIf you were able to cut your home in half and
of all, I can build those load-bearing walls as cheapdraw that area, you'd be looking at a
and many times cheaper than I could install a"cross-section" or "section" of the home. Most
beam with the posts. Second, a potentialhomes only need one section of the home. You
customer will see all these walls and rooms andwant at least one section included in your plans
say to his wife, "Goodnight Martha, for anotherbecause it will indicate the size of framing material
nickel and a couple of trips to the local supplyto use in your home.
house we can have all this finished space forIf you have anything unusual, like a balcony
free!" In reality, it's going to cost more thanoverhanging a living room, you may need a
another nickel, but it helps sell the home.section of that balcony to show the builder and
When you're designing your basement area, whatthe workers how it is constructed and/or
we call the "lower or terrace level." Include asupported. An ultra modern home with a lot of
room called the "mechanical" room. In thiscurved walls and overhangs may have 20 pages
mechanical room you will place your heating andof sections to show the builder and the workers
air system and water heater. If you only havehow the guts of that home are constructed and
one heating and air system in this area, design theor supported.
room as close to the center of the home asIf you hire a draftsman or an architect and if you
possible. If you have a large home with multiplehave a two-story home, tell them you would like
heating and air zones, design the room as close toto have a section through the "stairwell". By
the center of the zone as possible.drawing a section through the stairwell you will
Many homes have the problem of the porch andsolve a common problem of having the home
or steps being constructed on fill dirt. Over timeframed without adequate headroom to go up and
this fill dirt will settle and the porch and/or stepsdown the stairs.
will pull away from the home. In order to preventIf you make a change such as raising the ceiling
this from happening, construct what are calledfrom 8-feet to 9 or 10 feet, be sure to have the
T-walls or brackets under your porch and steps.section redrawn to reflect this change because
We'll discuss this more when we build thewhen you add height between the first and
foundation. However, draw the location of thesesecond floors it requires more steps, which
T-wall or brackets on the foundation plan.b. Floormeans you'll need more horizontal distance in the
plan(s)stairwell to accommodate this change.f. Cornice
The floor plan(s) should definitely include theand rake detail
following:i. The dimensions of your rooms.ii. TheThe cornice and rake are the edges of the roof.
size and location of all doors and windows.iii. TheYou will learn more about these areas later. Be
size and location of your tubs and the location ofsure to have a section or detail showing how the
toilets and lavatories.iv. Furnace vent-pipe locationcornice and rake are designed and constructed.
If you have a gas furnace, you may locate theThere are literally an unlimited number ways to
furnace in a crawl space or basement. Most gasdesign and build the cornice and rake, which is
furnaces will have a pipe that goes from thenormally dictated by the amount of money you
furnace up through the floor and out the ceilingare willing to spend. If you do not have a section
and roof to vent fumes. We simply call it a "ventor detail of this area, it creates a lot of confusion
pipe." Be sure to show the location of any ventfor everyone.g. Mechanical drawings
pipes on the floor plan. By showing this pipe onIt's very common in residential, commercial, and
our drawings, you solve that age-old problem ofindustrial construction to see the location of lights,
the heating and air subcontractor walking on theswitches and electrical outlets on the drawings. It's
job after the home is framed and saying, "Well,also common to see the location of tubs, toilets,
where do you want us to put the vent pipe?"sinks, water heaters, exterior faucets and heating
And you say, "What vent pipe?" Then you haveand air conditioning systems on the drawings.
to give up part of your kitchen cabinets or aIn commercial and industrial construction it's very
walk-in closet to accommodate this vent pipe. Ifcommon to have drawings, called mechanical
you plan ahead you can normally locate this ventdrawings, that show the size and location of
pipe where it's not going to be in the way or stickplumbing pipes and the size and location of heating
out like a sore thumb.v. Hallway widthand air ducts. However, in residential construction
A hallway needs to be a minimum width to installit is not common to see drawings that show the
doors. The molding around the door or window issize and location of plumbing pipes and/or heating
called the casing. Many people will request andand air ducts. On a large luxury home, the
spend the money for wide door and windowdesigner or architect may hire a mechanical
casings. Make sure the hallway is wide enough toengineer to design these items like they do on a
accommodate the door casing. In many homescommercial building. If you want to know this
you'll see where the 4-inch casing is trimmedinformation, ask your heating and air
down to 2 inches because the hall was not widesubcontractor and plumber to give you a sketch
enough. Any time you have a door or windowshowing the size and locations of these pipes.h.
near a corner, make sure there is adequate roomRoof and Framing plan
from the door or window to the corner for theIf the design of your home or roof is complicated,
wide casing. These items need to be checked ona framing and roof plan is very beneficial. It not
the floor plan.vi. Plumbing wallonly shows everyone how this area should be
Most walls in a home are constructed of 2X4constructed, it is especially helpful in calculating the
boards that are 3 ½ inches wide. Behind thequantities of material that will be needed.i. Door
kitchen sink and bathroom vanities the plumber willand window schedule
need to run a horizontal pipe in the wall. This pipeA door and window schedule places all the
could be as much as 3 inches thick. If you cut ainformation for doors and windows, such as size
3-inch pipe in a 3-½ inch wall, the wall is going toand type, in one convenient location.
be structurally weak at that location. In thoseSuggestion: House plans are very simple to
areas only, build a plumbing wall using 2 X 6understand. When I read a set of drawings, I will
boards that are 5 ½ inches thick. Your plumberimagine going through the front door and walking
can show you in advance where these largerdown the hallway. I'll walk into a bedroom and
pipes will be located. Be sure to show these widerimagine looking at the location of windows and
walls on the floor plan.vii. Attic stairsdoors. If you'll spend a little time looking at the
Show the size and location of any pull-down atticdrawings, before you know it you'll have no
stairs. These are stairs that you'll pull down toproblems understanding what you see.
access the attic. They will normally unfold. We