Architectural Working Drawings, Lecture notes of Construction

Architectural plans include working drawings, schedules, and other sheets shown in the list below. Many architectural plan sheets are ...

Typology: Lecture notes

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Variation on framing for La Chapelle Plan Set Plan
Figure 8.1 The La Chapelle floor plan represents real framing to carpenters who read, visualize, and build from a set of plans.
Architectural Working
Drawings
8
ChApter
M08_POWE4171_01_SE_C08_074-093.indd 74 12/4/14 4:03 PM
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Figure 8.1 The La Chapelle floor plan represents real framing to carpenters who read, visualize, and build from a set of plans.

Architectural Working

Drawings

ChApter

ChapTer 8 architectural Working Drawings 75

Variation on framing for La Chapelle Plan Set Plan

ChapTer 8 architectural Working Drawings 77

LICENSED LAND SURVEYOR

CODE ENFORCEMENT PLAN REVIEW APPROVAL

ONE STORY RANCHW/ DETACHED GARAGE COVER SHEET &SITE PLAN

W. KEITH POWELL

N 02°00'00" E

105.97'

S 05°00'00" W

158.12'

N 70°00'00" W

111.09'

S 20°00'00" W

114.52'

12'-0" WIDE ASPHALT TRAVEL LANE(60' PUBLIC RIGHT-OF-WAY)

4'-0" WIDE BIKE LANE

2' WIDE GRAVEL SHOULDER

8' WIDE UTILITYEASEMENT

33.14'

47.28'

17.70'

25' FRONT BUILDING SETBACK LINE

15' SIDE BUILDING SETBACK LINE 15' SIDE BUILDING SETBACK LINE

25' REAR BUILDING SETBACK LINE

SAN^ 2' WIDE GRAVEL SHOLDER

SAN^

SAN

G

WS SL

SL

GS

GS

SL

WS

WS

G G G G^

E E E E E W W W

4'-0" PUBLIC SIDEWALK

S 05°00'00" W PROPERTY BOUNDARY LINE (^) 156.29'

10'

88.5'

10'MIN.

BENCHMARK “X” ON TOP OF CONCRETE HIGHWAY MONUMENTELEV. = 100.

0 20 40 SCALE IN FEET

1” = 120’

SITE PLAN

SITE LOCATION MAP

SAWYER^ SHEET INDEX

LANE

SAWYER^ LANE

McMURRY WAY

WOOD FRAME HOUSE1 STORY SUB-FLOOR ELEV. = 106.321,987 S.F.

10’ WIDE DRIVEWAYW/ TURN-AROUNDSEE NOTE 3 FOR OPTIONAL SURFACES DRIVEWAY DRIVEWAY MAY ALSO BE USEDAS CONSTRUCTION STAGING UNTIL CONCRETE IS PLACEDAND FINISHED

LOT AREA = 26,548 S.F. / 0.61 ACRES PROPERTY BOUNDARY

C1A A A A A A A S- D- D- D-

COVER SHEET, SITE PLANSOUTH & EAST ELEVATIONS NORTH & WEST ELEVATIONS FOUNDATION PLAN FIRST FLOOR FRAMING PLAN FIRST FLOOR PLAN CEILING FRAMING PLAN ROOF FRAMING PLAN CROSS SECTIONS & INTERIOR ELEVATIONS DETAILS DETAILS DETAILS

WINDOW SCHEDULE AB CD EF GH IJ KL MN OP QR

MARK MODEL (3) 3056DH/TR3060DH/TR 2630DH(2) 2030DH/TR (3) 4050DH/TR(2) 2056DH/TR 6010TR(3) 3050DH/TR 2040GL/TR4010TR 2050DH/TR(2) 3050DH/TR 2630DH/TR4050DH/TR 28110AW2650DH CUSTOM SKCUSTOM SK

42.7514. 5.6213. 17.2510. 4.2040. 8.253. 9.7527. 7.8717. 3.739. 8.0016.

19.446. 3.508. 8.104.

3.24- 4.0512. 3.57. 3.496. 2.00NA

9'-0 1/2" × 6'-6 1/2"3'-0 1/2" × 7'-0 1/2" 2'-6 1/2" × 3'-0 1/2"4'-0 1/2" × 4'-0 1/2" 4'-0 1/2" × 6'-0 1/2"2'-0 1/2" × 6'-6 1/2" 6'-0 1/2" × 1'-0 1/2"9'-0 1/2" × 6'-0 1/2" 32 1/2" × 27" (6.04) M. BDR.

32 1/2" × 27" (6.04) BDR. 2 41 7/8" × 28" (7.63) BDR. 3

2'-0 1/2" × 5'-0 1/2"4'-0 1/2" × 1'-0 1/2" 6'-0 1/2" × 6'-0 1/2"6'-0 1/2" × 6'-0 1/2" 2'-6 1/2" × 4'-0 1/2"4'-0 1/2" × 6'-0 1/2" 2'-8 1/2" × 1'-10 1/2"2'-6 1/2" × 5'-0 1/2" 2'-0" × 4'-0" Per P4'-0" × 4'-0" Per P.E..E. DH = DOUBLE HUNG, TR = TRANSOM, CS = CASEMENT, GL = GLIDER, AW = AWNING, SK = SKYLIGHT

SYMBOL

(RETAIL, RESTAURANTS,COMMERCIAL COMMUNITY SERVICES)

DELLA’S PLACECOMMUNITY INFILL LOT^ SITE PARK

A ROUGH OPENINGWIDTH × HEIGHTLIGHTS.F.VENT.S.F. W. × H. (S.FEGRESS.)

LEGEND

LAND CONSERVATION AREA SEE NOTE 1

DECK

LOCATION (3 TYPDOWNSPOUT.) RAIN GUTTER

OVERHANGROOF ROOFOVERHANG

X X X

X X

X X X

X

14'-6" 22'-0"

22'-0"

26'-0" 26'-0" 32'-10" 15'-0"

2' CANTILEVER STEPS

STEPS SIDEWALK

8'-9 1 / 8 "

STEPS 10'-8"

30'-0" 8'-0" 17'-0" 18'-0" 32'-0" 33'-0" PORCH 10'-0"

CONSTRUCTIONSTAGING AREA SEE NOTE 2

LAWN AREASEE NOTE 4 PATIO

CLEARINGLIMITS OF LIMITS OFCLEARING

CONSTRUCTION /SILT FENCE LAWN AREASEEN NOTE 4 WOODEDAREA

WOODEDAREA

WOODEDAREA

CURBSTOP

WOODEDAREA

SEEN NOTE 4LAWN AREA GARAGE2 CAR

SITE PLAN NOTES:

  1. AREA RESERVED FOR LAND CONSERVATION:A) THE GENERAL CONTRACTOR SHALL INSTALL AND MAINTAIN A CONSTRUCTION (SILT) FENCE AS SHOWN. FINAL PLACEMENT BYEPA CERTIFIED ENGINEER, POSSIBLE SITE RETENTION POND PER LOCAL REQUIREMENTS.B) SILT FENCES AND/OR HAY BALE DYKES SHALL BE INSTALLED AS PER CIVIL ENGINEER’S INSTRUCTIONS TOPROVIDE SOIL AND SEDIMENT CONTROL.
  2. THE CONTRACTOR SHALL CONTAIN STAGING, STOCKPILE, ANDDISPOSAL ONLY WITHIN THE DESIGNATED AREA.
  3. OPTIONAL SURFACES FOR DRIVEWAY AND SIDEWALKS:PERVIOUS CONCRETE, RECYCLED ASPHALT/RUBBER; GRAVEL; CRUSHED STONE, BRICK, SEA SHELL, OR OTHER REGIONALLYAVAILABLE RE-PURPOSED MATERIALS. PROTECT EXISTING PUBLIC SIDEWALK DURING CONSTRUCTION.
  4. ALL LAWN AREAS SHALL RECEIVE FINAL GRADING AND SEEDING ASSOON AS POSSIBLE AFTER CONSTRUCTION IS COMPLETE. LAWN OPTIONS; PLANNED NATURAL AREAS AND XERISCAPING WITHGRASSES AND WILD FLOWERS ACCUSTOMED TO LOCAL CONDITIONS AND YEARLY RAINFALL TO MINIMIZE WATER USE FOR IRRIGATION.

SITE STATISTICS: LOT AREA: 26,548 S.F. / 0.61 ACRES DEDICATED GREEN SPACE: 6,674 S.F. / 25% BUILDING SIZE: 1,987 S.FGARAGE SIZE: 272 S.F.. TOTAL IMPERVIOUS AREA: 2,259 S.FPERVIOUS CONCRETE AREA: 1,053 S.F. / 9%. / 4%

BUILDING SETBACK LINES UTILITY EASEMENTLAND CONSERVATION BOUNDARY ROOF GUTTER & DOWNSPOUTCONSTRUCTION FENCE GAS MAIN GAS SERVICE

GE U.G. ELECTRIC GS

WSW 99

SANSL SANITARY SEWERSANITARY LATERAL WATER MAINWATER SERVICE ES ELECTRIC SERVICEGROUND ELEVATION CONTOUR LIMITS OF CLEARING

ES

ES

RESIDENTIAL SUBDIVISION

INFILL LOTS EARN GREEN CERTIFICATION POINTS

10 12 8

23 25 19 21

GREENWAY AREA, OLD RAILROAD REMOVED

R310.1.1 EMERGENCY ESCAPE AND RESCUE MINIMUM OPENING AREA. ALL OPENINGS SHALL HAVE AMINIMUM NET CLEAR OPENING OF 5.7SQUARE FEET. (EXCEPTION: GRADE FLOOR OPENINGS SHALL HAVE A MINIMUMNET CLEAR OPENING OF 5 SQUARE FEET). R310.1.2 MINIMUM NET CLEAR OPENING HEIGHT MINIMUM OPENING HEIGHT. THE SHALL BE 24 INCHES. R310.1.3 MINIMUM NET CLEAR OPENING WIDTH MINIMUM OPENING WIDTH. THE SHALL BE 20 INCHES. R310.1.4 EMERGENCY ESCAPE AND RESCUE OPERATIONAL CONSTRAINTS. OPENINGS SHALL BE OPERATIONAL FROMTHE INSIDE OF THE ROOM WITHOUT THE USE OF KEYS, TOOLS OR SPECIALKNOWLEDGE.

ENERY SPECIFICATIONSDesign U-Factor = 0. Design SHGC = 0.40U-VALUE AND SOLAR HEAT GAIN COEFFICIENT (SHGC) MINIMUMS PERCLIMATE ZONE 3A EMERGENCY EGRESS

SIZE2-2× 2-2×62-2× 2-2×102-2× 3-2×83-2× 3-2×124-2× 4-2×104-2×

GROUND SNOW LOAD (PSF) = 30BUILDING WIDTH = 36'

SOURCE: 2015 IRC TABLE 602.7(1)

SPAN2'-10" 4'-2"5'-4" 6'-6"7'-6" 6'-8"8'-2" 9'-5"7'-8" 9'-5"10'-11"

NO. JACK STUDS 1 (^12) (^22) (^12) (^21) (^22) FOOTNOTE D, TABLE 602.7(1); “WHERE THE NUMBEROF REQUIRED JACK STUDS EQUALS ONE, THEHEADER IS PERMITTED TO BE SUPPORTED BY AN APPROVED FRAMING ANCHOR.. .” SL. = SLIDER, BF = BI-FOLD

DOOR SCHEDULE (^12) (^34) (^56) (^78) 109

MARK 3 SIZE 1 " "" "" "" ""

(^0 6 8 34) STL. INS. STL. INS.F.G. INS. H.C. WD.H.C. WD. H.C. WD.H.C. WD. H.C. WD.

PC.

SL.

HG.HG. HG.HG.

HG.HG.

HG.B.F. H.C. WD.

EXT.EXT. EXT.INT. INT.INT. INT.INT. INT.

× ×× 134 ×× (^113348) ×× (^113388) ×× (^113388) × 138

2680 ×× (^77 0 )

30 × 7 0 × 134 "

2280 ×× (^77 0 ) 2186 ×× (^77 0 ) 4300 ×× (^77 0 ) STL = STEEL,HC = HOLLOW CORE, INS = INSULATED, WD = WOOD, S.G. = SAFETY GLASS, HG. = HINGED, PC = POCKET, FG = FIBERGLASS,

1 SYMBOL MAT’L.1" INS. ENTRY ENTRYENTRY PRIVACY PRIVACY

1" INS.

EXT. STL. INS.1" INS. ENTRY

1" INS. S.G.

INTERIOREXTERIOR GLASS LOCKSET TYPE

NOTE:HOME DESIGN IS TYPICAL FOR INTERNATIONAL ENERGY CONSERVATION CODE AND INTERNATIONALRESIDENTIAL CODE CLIMATE ZONE 3A.

GIRDER & HEADER SPANSFOR EXTERIOR WALLS (supporting Roof and Ceiling)

Figure 8.2 Check the title sheet for contact information and other details.

Figure 8.3 a full set of building plans will use many drawing types to relate information using 2D and 3D techniques.

Front

30° 30° Right side ORTHOGRAPHIC PROJECTION

Vanishing point

Horizon line

Vanishing point

PERSPECTIVE

ISOMETRIC

78 seCTion Three project planning and architectural plans

Figure 8.4 Manual and electronic aids help estimate plans quickly estimator work quickly and accurately. Sources: (a, b, c) alvin & Company, inc.; (d) scalex Corporation

(a) Architect’s flat scale (c) rolling ruler

(b) Architect’s triangular scale (d) scalex PlanWheel

how to Apply the Architect’s scale Learning to use the architect’s scale is important to reading and interpreting working drawings. Follow the steps shown below and refer to Figure 8.7 to practice with an architect’s scale and develop accuracy and confi- dence in reading working drawings. The figure in this example is part of plan sheet A-5 the detached garage from the La Chapelle Plan But the technique can be used throughout any scaled set of plans using an architectural ruler.

1. Find the appropriate fraction mark at the end of the scale that corresponds to the scale of plan sheet A-5. In this example shown in Figure 8.7, 1> 4 ″ = 1 ′ is used. 2. Using the 1/4″ scale, set the architectural ruler on the zero mark and one corner of the garage front. 3. Read across the scale to the other end of the garage and note 22′. 4. On a 1> 4 ″ = 1 ′ scale, 5½″ is equal to twenty-two 1> 4 ″ seg- ments; i.e., 22′ as shown on plan sheet A-5. Take a basic ruler and you will see the garage’s actual measurement on the plan sheet is 5½″. 5. The area to the right of the zero mark on the architect’s scale is for measuring inches. For example, you can meas- ure 9″ on the scale right of the zero mark by counting nine hash marks.

Civil engineer’s Scale

On a building lot or larger land area, surveyors use measuring equipment that divides parts of a foot into a decimal number car- ried to thousandths of a foot for accuracy; for example, 255.469′ may be the length of a property line. Because of the larger scales, decimal formatting, and accuracy, surveyors use this standard to create the property lines on most plot plans. A civil engineer’s

dimensioning Aids for Working with

Architectural Plans

Reading a set of construction plans requires practice, experi- ence, and spatial skills. To quickly read rough dimensions or for estimating; a wide range of computer controlled, electronic, and manual dimensioning aids are available. Even though these tools usually provide enough accuracy for estimating and general draw- ings, always refer to the architectural plans for exact dimensions and details. Various scaling tools are available to increase accuracy and speed when estimating; see Figure 8.4.

Architect’s Scale

There are several versions of the architect’s scale ; the most com- monly used is triangular with 11 different scales, one being a full-size ruler. Common plan scales are shown in Figure 8.5. The end of each scale has a fraction that designates the par- ticular scale. In residential construction, 1> 4 ″ = 1 ′ is the most common scale used on working drawings, as shown in Figure 8.6. However, some plan sheets, depending on paper size, build- ing size, and objects represented, may use 1> 8 ″ = 1 ′ or other scales. Be sure to check each sheet for the appropriate scale be- fore taking measurements.

P r o F e s s i o n A l t i P

Written plan dimensions always take precedence over scaled and measured dimensions. Variations in printing and paper can decrease the accuracy of measuring and scaling dimen- sions from a physical plan set.

80 seCTion Three project planning and architectural plans

Using the common 1" = 1" scale, the master bedroom’s physical measurement is 4^5 / 8 ". Using the 1 / 4 " plan scale converts it to the actual size of 18'-5".

La Chapelle House Plan Figure 8.6 scaled drawings help to illustrate an entire building on a single plan sheet.

(^3 )

(^2 )

4

Figure 8.7 Using the scales on an architectural ruler, a carpenter, builder, or designer can draw large-scale areas on plan sheets.

ChapTer 8 architectural Working Drawings 81

PresentAtion And eleVAtion VieWing

style

Presentation View

Plan books, internet sites, architects, or builders may provide a presentation view (Figure 8.10). This is essentially a tool for selling the plans or home and provides little related to actual construc- tion detail. Presentation views, in pencil or color, typically show fully developed landscaping, distinctive features, and even people to present the finished home in a favorable light. Unless the owner specifically requests the added perspective provided by a presenta- tion drawing, it is not included in most construction plans.

Whole house elevation Views

Elevation views provide a visual and scaled view of the home’s exte- rior or interior. Most plan sets include views with each side shown and detailed. Elevations include references to many specifications for framing and exterior finishes. Roof slopes, ceiling heights, finished floor heights, and roofing and siding materials are usually identified on elevation sheets, as shown in Figure 8.11 and detailed as follows:

Roof slope: Roof slopes may not be the same for all covered sections of the home. For example, dormers, shed roofs, and garages may have different slopes. Ceiling heights: Ceiling heights are provided on most elevation sheets and may be included on specifications or detail sheets. Exterior finishes: Exterior finishes are usually illustrated and noted on elevations. In some cases, the street side of a home will be brick and the other three sides are covered with siding or other materi- als to meet restrictions of the neighborhood or community. Topography: The actual lot grade (topography) helps estimators calculate foundation materials and grading work. Elevations also illustrate the home’s finished look in relation to grade.

interior elevations

Interior finish work such as cabinets, trim work, and built-in bookcases may have a plan sheet (see Figure 8.12) with interior elevations so carpenters know where to set these items. Interior elevations dimension universal design features like lowered counters or fixtures so carpenters can install the features ac- cording to requirements. Universal design heights and details for doors, cabinets, and other features are discussed in other ar- eas of the text.

lAyout And FrAming PlAn VieWs

For plan views, a cutting plane is a horizontal line “cutting” the object for a better view. For example, with typical floor plans, the horizontal cutting plane is typically at a height that cuts through doors and windows on exterior walls so they are in the final view. Removing the area above the cutting plane creates a bird’s-eye view looking down into the structure like the example in Figure 8.13.

Plot or site Plan

A site plan (Figure 8.14) contains information verified by a sur- veyor, engineer, and others. It illustrates important features such as utility easements, topography, property lines, setbacks, and el- evations. Site plans usually include the building footprint, drive- ways, auxiliary buildings, and other constructed features on site as references. A plot plan, very similar to a site plan, is specifically for recording a piece of land and shows much of the information on the site plan without a house on the lot. Some of the important aspects include the following: Easements: Any property easements must be specifically located and identified. It is advisable to check with code officials and utility companies for restrictions and setbacks related to prop- erty easements. Setbacks: All property setbacks shown on site plans should be verified with local zoning officials before construction begins. A quick phone call can help eliminate serious code problems related to building within a setback area. Benchmark: The benchmark sets the elevation of many con- struction features, including finished floor levels and founda- tion heights. Site plans contain very important information about el- evation. Each site plan has an elevation called the benchmark. The benchmark represents a starting elevation that may be an actual elevation above sea level or, for ease of use, an arbi- trary number like 100.00′. In either case, all points of eleva- tion throughout the site plan reference against the benchmark elevation. Carpenters and masons will use these elevations as starting points to calculate foundations and finished floor heights. Masonry workers will use these elevations to build and check all foundation walls, piers, and other structural compo- nents of the foundation system. Site or plot plans have become more significant in today’s environment of green building. The orientation of the building is important to operating efficiency. Windows and doors can be oriented and sized to maximize any solar advantages based on the home’s location. The site plan can be used to manipulate the scaled building footprint into the best orientation for solar ef- ficiency based on location, building size, and limitations of the building lot. These plan sheets also show protected areas like tree drip zones and natural areas, as well as areas designated for mate- rials storage and heavy equipment.

P r o F e s s i o n A l t i P

The oldest known plan or drawing dates back to around 2100 BC and is credited to the Chaldean prince of Lagash, a city-state in ancient Mesopotamia. in his time, the prince was known as an engineer and a builder.

ChapTer 8 architectural Working Drawings 83

m A t h t i P

The footing projection is the width of the footing beyond the foundation wall, pier, or column. irC r403.1.1 Minimum size states, “Footing projections, P , shall be not less than 2 inches and shall not exceed the thickness of the footing.” (2015 irC, p. 80) For the example in Figure 8.15, what is the total foot- ing width based on the footing projection and basement wall specifications? Answer: Foundation wall is 108″ concrete with an exterior footing projection of 34″ and an interior footing projection of 34 ″ = 16 ″ total footing width.

type, and other specifics. Take a look at the information below and noted in Figure 8.15 of important specifications provided by foundation plans.

Foundation wall type and width: The foundation width as determined by code or design may not be the same for all areas of the building. Window openings: Window type, size, and location may not be the same at all locations. Dimension lines: Carefully note dimension lines and their refer- ence points. They may represent the outside edge, the center- line, or the inside edge of the object referenced. Footings and piers: Dashed lines represent the footing width for foundation walls, piers, and columns. The footing width beyond the foundation wall, column, or pier on either side is the footing projection (see Figure 8.15). Concrete: Some concrete specifications may be listed on foun- dation plans, but refer to specifications sheets for all pertinent details. Local frost lines: The depth of footings below grade must be defined by local code jurisdictions based on local soil and weather conditions. In the International Residential Code, Table R301.2(1), footnote b states, “The jurisdiction shall fill in the frost line depth... with the minimum depth of footing below finished grade.” (2015 IRC, p. 29)

The floor plan provides the information needed to estimate many materials like studs, drywall, doors, windows, and floor framing. Many plan sets include framing sheets for floors, walls, and ceilings as shown in the following sections. Although not re- quired, framing sheets help estimators work more accurately and help carpenters reduce material waste. Room size and layout: As with any dimension, be sure of the reference point so the actual work will match the floor plan. In rooms with appliances, bathroom fixtures, or other equipment, the point of reference for dimensions is critical to design. For example, the kitchen cabinets are often preordered based on floor plan dimensions. A mistake in reference point here during rough framing means the cabi- nets may not fit in the finished wall space. See Figure 8. and the examples of minimum spacing requirements from the International Residential Code Figure R307.1, Mini- mum Fixture Clearances. Always confirm that dimensions meet any local changes to the model code. Piers and columns: The surface contact area of support for framing materials over bearing supports (piers and columns) is regulated by IRC section R502.6.1. It requires floor joists ends over bearing support to lap a minimum of 3″ and requires the boards to be nailed with three 10d face nails. Plumbing fixtures: IRC Section R307, Toilet, Bath and Shower Spaces, specifies minimum spacing requirements for these fixtures. Reading the floor plans correctly while laying out the walls is critical to assure code-compliant spacing in all areas. Electrical and HVAC: Floor plans are used by trades work- ers to position outlets, switches, home integration systems, HVAC supply and return registers, and many other compo- nents of the home design. Exterior features: Floor plans dimensionalize the place- ment of decks, porches, garages, and other attached, exte- rior features. Depending on design, exterior features like decks may have details specified and illustrated on other plan sheets.

Floor Plan

Floor plans like the example in Figure 8.16 are usually the most information-packed of all plan sheets. Like the foundation plan, the floor plan cutting plane should be at a height that includes all window and door openings. This sheet defines the size and layout of all rooms and may include electrical, HVAC, and plumbing information. If the home design is more complex, however, elec- trical, HVAC, and plumbing may be on separate sheets to simplify the view and help eliminate mistakes and oversights during esti- mating and construction.

m A t h t i P

a floor plan measures from edge to edge on the exterior. one exterior kitchen wall shows an outside dimension of 12′-8″. according to the specifications, all exterior walls are framed with 2 × 6 studs, 1> 2 ″ gypsum board on the interior, and 1> 2 ″ osB sheathing on the exterior. Wall-to-wall, what is the maxi- mum width of the cabinet assembly? Given dimension is 12′-8″. subtract the 2 × 6 wall thick- ness from both sides (5½″+5½″ = 11 ″). subtract the gypsum board and osB from both sides (1> 2 ″+ 1 > 2 ″ = 1 ″ × 2 sides = 2 ″). Final answer: 12 ′-8″ - 11 ″ - 2 ″ = 11 ′-7″ maximum cab- inet assembly width.

84 seCTion Three project planning and architectural plans

La Chapelle House Plan

Figure 8.11 elevation drawings may identify important framing and finish design requirements, such as roof slope.

Framing Plans for ceilings and roofs

Ceiling or roof framing plans provide details for all structural components and the layout spacing and arrangement of the sys- tem. For example, in Figure 8.18, spacing and framing details for all ceiling joists are noted on the ceiling framing plan (sheet A-6). In addition, the size and type of all materials is defined in the framing plan. A ceiling or roof framing plan (Figure 8.18) will show details of framing for green features such as I-joists, raised-heel trusses, engineered lumber, or recycled steel. These green and sustainable design options must be detailed for carpenters to follow the de- sign specifics. Estimators also need this information for bidding. Some of the green features on framing plans may be included on the specifications sheets. Without a framing plan, carpenters will design a ceiling or roof system based on the IRC code requirements to provide a code- minimum system that meets all standards for safety. However, using the green features noted above will improve on the mini- mum design requirements of the International Residential Code and may reduce materials consumption.

detail and section Views

The detail and section views provide very specific information about a particular construction or design feature. These views provide en- larged drawings to show specific details. To assure compliance with design and efficiency standards for the home, carpenters need de- tail sheets to define materials, techniques, and special applications. Detail and section views are often combined several to a sheet. When a particular area of a plan sheet has a corresponding al- phabetical or numerical indicator, refer to the detail sheets. This indicator directs the carpenter to a particular enlarged view on the detail sheet. For example, note the window flashing details from plan sheet D-1 in Figure 8.19. One of the most common detail views is a wall section. See Figure 8.20 for the wall detail from plan sheet D-1. Common prac- tice is to include one typical wall section and any details unique to the home’s design or special features. A wall section may include green features and framing requirements above code minimums as shown in Figure 8.20. Study detail sheets carefully before con- struction begins to assure compliance with structural, materials, and energy-efficiency requirements.

86 seCTion Three project planning and architectural plans

La Chapelle House Plan

Figure 8.12 elevations for interior work help carpenters meet layout and installation requirements.

3D MODEL SHOWING CUTTING PLANE FLOOR PLAN

Cutting plane

Figure 8.13 Floor plans are horizontal section views and become part of a set of working drawings.

ChapTer 8 architectural Working Drawings 87

La Chapelle House Plan

N 02°00'00" E

105.97'

S 05°00'00" W

158.12'

N 70°00'00" W

111.09'

S 20°00'00" W

114.52'

12'-0" WIDE ASPHALT TRAVEL LANE

(60' PUBLIC RIGHT-OF-WAY)

4'-0" WIDE BIKE LANE

2' WIDE GRAVEL SHOULDER

8' WIDE UTILITY EASEMENT

33.14'

47.28'

17.70'

25' FRONT BUILDING SETBACK LINE

15' SIDE BUILDING SETBACK LINE

15' SIDE BUILDING SETBACK LINE

25' REAR BUILDING SETBACK LINE

SAN 2' WIDE GRAVEL SHOLDER

SAN^

SAN

G

WS

SL

SL

GS

GS

SL

WS

WS

G

G

G

G^

E E E E E W W W

4'-0" PUBLIC SIDEWALK

S 05°00'00" W PROPERTY BOUNDARY LINE 156.29'

10'

88.5'

10' MIN.

BENCHMARK “X” ON TOP OF CONCRETE HIGHWAY MONUMENT ELEV. = 100.

0 20 40 SCALE IN FEET

SITE PLAN

SAWYER

LANE

1 STORY WOOD FRAME HOUSE 1,987 S.F. SUB-FLOOR ELEV. = 106.

10’ WIDE DRIVEWAY W/ TURN-AROUND SEE NOTE 3 FOR OPTIONAL SURFACES DRIVEWAY

DRIVEWAY MAY ALSO BE USED AS CONSTRUCTION STAGING UNTIL CONCRETE IS PLACED AND FINISHED

LOT AREA = 26,548 S.F. / 0.61 ACRES

LAND CONSERVATION AREA SEE NOTE 1

DECK

DOWNSPOUT RAIN GUTTER LOCATION (3 TYP.)

ROOFOVERHANG OVERHANGROOF

X X X X X X

X

14'-6"

22'-0"

22'-0"

26'-0"

26'-0" 32'-10" 15'-0"

2' CANTILEVER STEPS

STEPS

SIDEWALK

8'-9^1 / 8 "

STEPS

10'-8"

30'-0"

17'-0" 18'-0" 8'-0"

32'-0" 33'-0"

PORCH 10'-0"

CONSTRUCTION STAGING AREA SEE NOTE 2

LAWN AREA SEE NOTE 4

PATIO

LIMITS OFCLEARING LIMITS OFCLEARING

CONSTRUCTION /SILT FENCE LAWN AREA SEEN NOTE 4 WOODEDAREA

WOODED AREA

WOODEDAREA

CURBSTOP

WOODED AREA

SEEN NOTE 4LAWN AREA 2 CAR GARAGE

SITE STATISTICS: LOT AREA: 26,548 S.F. / 0.61 ACRES DEDICATED GREEN SPACE: 6,674 S.F. / 25% BUILDING SIZE: 1,987 S.F. GARAGE SIZE: 272 S.F. TOTAL IMPERVIOUS AREA: 2,259 S.F. / 9% PERVIOUS CONCRETE AREA: 1,053 S.F. / 4%

ES

ES

Figure 8.14 a site plan contains important information for positioning the home on the building lot. When builders have the option, solar orienta- tion of the home can significantly improve a home’s energy efficiency.

ChapTer 8 architectural Working Drawings 89

Figure 8.16 Floor plans contain abundant information for carpenters and other workers. sometimes hVaC, plumbing, and electrical crafts have their own floor plan sheets to help increase detail and readability.

15 in. Wall

Wall

21 in. clearance

Wall

21 in. clearance

Water closet or bidet

15 in. Wall

21" clearance

21 in. clearance

30 in.

Shower 30 in.

24 in. clearance in front of opening

Tub

Tub

Figure 8.17 reading floor plans to lay out walls is critical to assure code compliance in areas like bathrooms. Many jurisdictions will adapt (change) the model code to meet local requirements and concerns.

90 seCTion Three project planning and architectural plans

Figure 8.19 plan detail sheets help assure the building envelope construction meets design standards.

La Chapelle House Plan

Figure 8.18 a framing plan helps eliminate errors in design and makes carpentry more efficient and cost effective.

92 seCTion Three project planning and architectural plans

Figure 8.21 The schedule sheet provides details on specific components to assure compliance with certification programs like the iCC 700 national Green Building standard, energy star, or LeeD for homes.

La Chapelle House Plan

WINDOW SCHEDULE

A B C D E F G H I J K L M N O P Q R

MARK MODEL (3) 3056DH/TR 3060DH/TR 2630DH (2) 2030DH/TR (3) 4050DH/TR (2) 2056DH/TR 6010TR (3) 3050DH/TR 2040GL/TR 4010TR 2050DH/TR (2) 3050DH/TR 2630DH/TR 4050DH/TR 28110AW 2650DH CUSTOM SK CUSTOM SK

NA

9'-0 1/2" × 6'-6 1/2" 3'-0 1/2" × 7'-0 1/2" 2'-6 1/2" × 3'-0 1/2" 4'-0 1/2" × 4'-0 1/2" 4'-0 1/2" × 6'-0 1/2" 2'-0 1/2" × 6'-6 1/2" 6'-0 1/2" × 1'-0 1/2" 9'-0 1/2" × 6'-0 1/2" 32 1/2" × 27" (6.04) M. BDR.

32 1/2" × 27" (6.04) BDR. 2

41 7/8" × 28" (7.63) BDR. 3

2'-0 1/2" × 5'-0 1/2" 4'-0 1/2" × 1'-0 1/2" 6'-0 1/2" × 6'-0 1/2" 6'-0 1/2" × 6'-0 1/2" 2'-6 1/2" × 4'-0 1/2" 4'-0 1/2" × 6'-0 1/2" 2'-8 1/2" × 1'-10 1/2" 2'-6 1/2" × 5'-0 1/2" 2'-0" × 4'-0" Per P.E. 4'-0" × 4'-0" Per P.E. DH = DOUBLE HUNG, TR = TRANSOM, CS = CASEMENT, GL = GLIDER, AW = AWNING, SK = SKYLIGHT

A SYMBOL

ROUGH OPENING WIDTH × HEIGHT

LIGHT S.F.

VENT. S.F.

EGRESS W. × H. (S.F.)

R310.1.1 MINIMUM OPENING AREA. ALL EMERGENCY ESCAPE AND RESCUE OPENINGS SHALL HAVE A MINIMUM NET CLEAR OPENING OF 5. SQUARE FEET. (EXCEPTION: GRADE FLOOR OPENINGS SHALL HAVE A MINIMUM NET CLEAR OPENING OF 5 SQUARE FEET). R310.1.2 MINIMUM OPENING HEIGHT. THE MINIMUM NET CLEAR OPENING HEIGHT SHALL BE 24 INCHES. R310.1.3 MINIMUM OPENING WIDTH. THE MINIMUM NET CLEAR OPENING WIDTH SHALL BE 20 INCHES. R310.1.4 OPERATIONAL CONSTRAINTS. EMERGENCY ESCAPE AND RESCUE OPENINGS SHALL BE OPERATIONAL FROM THE INSIDE OF THE ROOM WITHOUT THE USE OF KEYS, TOOLS OR SPECIAL KNOWLEDGE.

ENERY SPECIFICATIONS Design U-Factor = 0. Design SHGC = 0. U-VALUE AND SOLAR HEAT GAIN COEFFICIENT (SHGC) MINIMUMS PER CLIMATE ZONE 3A EMERGENCY EGRESS

La Chapelle House Plan

Figure 8.22 CaDD-type programs can generate a wide range of detailed drawings and perspectives.

ChapTer 8 architectural Working Drawings 93

  1. Describe how BIM software is important to building and verifying energy-efficient home construction.
  2. What is the purpose of the benchmark on site plans? What important elements of construction reference the benchmark as a starting point?
  3. How many scales does a triangular architectural ruler have? What is the most common scale used for residential plan sets? What are the advantages of a scaled drawing?
  4. What accessory materials are available for scaling and estimat- ing? What advantages do these accessories offer estimators and builders?
  5. Describe and explain at least three advantages available when using design, estimating, and drawing software. 6. Which plan sheet usually has the most building informa- tion? What types of information are available from this plan sheet? 7. What plan sheets provide information about required types of windows and doors and their correct placement? 8. When locating the building on the site, which working draw- ing would verify information on setbacks, easements, orien- tation, and other factors? 9. What is the purpose of section and detail views?
  6. Where in the plan set would you find information about the parties involved in the construction process?

revieWQuestiOns

architectural plans

title sheet

orthographic projection

isometric view

architect’s scale

presentation view elevation view cutting plane bird’s-eye view site plan

plot plan benchmark foundation plan floor plan ceiling or roof framing plans

detail and section views schedule sheet Building information Modeling (BiM)

Keyterms