Residential Design Drawing Standards

• Residential Design Drawing Standards - LEVEL 1 REVIEW

Walls

• Walls are drawn at a scale of 4" for clarity and readability
• Actual construction uses 2x4's for interior walls, and 2x6's for exterior walls and plumbing
• Align the beginning or end on drawings to simplify framing
• Avoid odd-numbered dimensions to reduce lumber waste
• Dimensions are assigned as Length x Width/Depth (right to left x top to bottom)
• Extend walls 4" beyond the end of cabinet faces

Doors, Openings, and Clearances

• Exterior Doors: 3'
• Laundry & Kitchen: 3' to allow space for a Washer/Dryer and Refrigerator
• Interior Room Entry: 32", ADA compliant
• Closets vary in size and use
• Walk-in closets must be ADA compliant
• Reach-in closets use double or bifold doors with minimum 18" panels
• Linen closets: 24"
• Hallways: 3'
• Walkway between cabinets, fixtures, and appliances: 3'
• Trim allowance adjacent to walls, cabinets, and fixtures: 3"

Windows

• Single windows: 3'
• Double windows: 2'-6" each with trim allowance between
• Trim allowance adjacent to walls, cabinets, and fixtures: 3"

Elevations

• Primary Roof Pitch: 6:12 or 8:12
• Roof Overhang/Offset: 1'
• Sill Height: 2' for standard window height at 5'
• Header Height: 7' for non-standard window heights under 5'
• Transom Windows: 2'H
• Doors: 6'-8"H
• Sidelights on Doors: 1'W
• Door/Window Trim: 3"
• Door/Window Mullions: 1"

Cabinetry

• Base: 3'H x 2'D
• Upper: 42"H x 12"D, mounted at 18" above base for backsplash, drawn using hidden lines, extend over top of fridge
• Island: 3'L x 6'W x 3'H, with 12" overhang for bar
• Countertops: 1 ½" thick with 1 ½" extension beyond the cabinet face

Fixtures

• Master Bathroom Shower: 42"L x 42"W x 80"H
• Master Bathroom Tub/Shower Insert: 36"L x 72"W x 80"H
• Master Bathroom Soaking Tub: 3'L x 6'W x 2'H
• Secondary Bathroom Tub/Shower Insert: 30"L x 60"W x 80"H, dictates minimum room size at 5'x8'
• Master Bathroom Sink: Double at 6'L
• Secondary Bathroom/Laundry Room Sink: 30"
• Kitchen Sink: 30" for single basin, 36" for double basin
• Toilet: Centered between adjacent structures with 30" clearance, private room in Master Bathroom

Appliances

• Washer/Dryer: 32"L x 32"W x 42"H, leave 6" clearance from back wall for hoses and plugs, 2" clearance between appliances and adjacent walls/cabinets/fixtures
• Dishwasher: 2'L x 2'D x 3'H, drawn using hidden lines, 2" from sink edge
• Stove: 30"L x 26"D x 36"H
• Cooktop: 30"L x 22"D
• Wall Oven: 30"L x 24"D x 28”H, leave 2” clearance from adjacent walls
• Refrigerator: 36"L x 36"D x 72"H, leave 2” clearance from adjacent walls/cabinets, located at the end of a cabinet run to anchor the beginning/end of the kitchen
• Microwave: 30"L x 16" D x 17"H range mount, 30"L x 24"D x 17"H wall mount
• Kitchen Work Triangle: Location and distance between the stove or cooktop, fridge, and sink should form the smallest possible triangle for efficiency

Storage

• Linen Closet: 30”L x 24"D
• Bedroom Reach-in Closet: 6'L x 2'D (inside)

Line Representation

• Pantry Shelves: 16"D with a solid line
• Linen Closet Shelves: 12"D with a solid line
• Bedroom Closet Shelves: 14"D with a hidden line

This lesson reviews residential design drawing standards, covering walls, doors, openings, and clearances. Key aspects include wall dimensions, door sizes for accessibility and appliances, hallway widths, and walkway clearances. Interior walls use 2x4s, while exterior walls and plumbing use 2x6s.