Laying the Foundation: CONSTRUCTION MATH Compiled by Judy Amico and Beth Arman Construction Center of Excellence October 2005 With submissions by: Pat Averbeck, Math instructor, with Walt Bubelis, Horticulture instructor, Dave Jacobson, Construction Management instructor, and Ed van der Bogart, Construction Management instructor, Edmonds Community College Steve Baker, King County Carpenters Apprenticeship coordinator, Renton Technical College Mary Bolds, Adult Basic Skills instructor, Tacoma Community College Jim Coan, Surveying instructor, Renton Technical College Rick Ducharme and Lisa Grothen, Job Skills for Trade & Industry instructors, Renton Technical College Spencer Hinkle, Building Construction Technology co-department chair/ instructor, Portland Community College Steve Ignac, Lathing, Acoustical, and Drywall Systems Apprenticeship coordinator, Renton Technical College Jim Johnson, Commercial Building and Industrial Engineering instructor, Renton Technical College Mark Maher, Western Washington Cement Masons Apprenticeship coordinator, South Seattle Community College The National Joint Apprenticeship and Training Committee for the Electrical Industry (used in International Brotherhood of Electrical Workers National Electrical Contractors Association Electrical Apprenticeship programs in the State of Washington) Don Olson, Painting, Decorating, and Drywall Apprenticeship instructor, South Seattle Community College Vince Rainier, Pile Drivers Apprenticeship coordinator, Renton Technical College Royal Robinson, Plasterers Apprenticeship coordinator/instructor, Renton Technical College With special thanks to the following businesses for their support: Lowe s Home Improvements Dunn Lumber Nordstrom 3000 NE 4 th Street Renton, WA 98056 (425) 235-2352, ext. 2217 www.rtc.edu/communityresources/cce
Laying the Foundation: CONSTRUCTION MATH Table of Contents Introduction...1 Resources for Construction Math...3 Sample Activities and Descriptions by Construction Subject Matter: Surveying...5 Soil Excavation...9 Cost Calculations...23 Reading a Tape Measure...35 Concrete Formwork (Pile Drivers)...39 Steel...47 Concrete Volume (Cement Masons)...49 Carpentry...53 Electrical...63 Drywall Layout...89 Plastering Layout...96 Painting...98 Carpet Laying and Tile Setting...99 Roofing...105 Building Engineering/Electrical...131 Sample Activities and Descriptions by Math Subject Matter: Arithmetic o Percents...9, 99 o Fractions...35 o Conversions...39, 53, 99 Algebra o Solving for Costs...23, 99 o Solving Equations...47, 53, 63, 131 o Ratio and Proportion...63 Geometry o Area, Perimeter, Square Feet, and Volume...39, 49, 53, 89, 96, 99, 105 o Coordinate Geometry...5 This document is not copyrighted. You are free to: Copy, Distribute for educational purposes, or Make derivative works.
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Resources for Construction Math Websites, Videos, and books 3
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Surveying 5
Surveying 6
Surveying 7
Surveying 8
Soil Excavation 9
Soil Excavation 10
Soil Excavation 11
Soil Excavation 12
Soil Excavation 13
Soil Excavation 14
Soil Excavation 15
Soil Excavation 16
Soil Excavation 17
Soil Excavation 18
Soil Excavation 19
Soil Excavation 20
Soil Excavation 21
Soil Excavation 22
Cost Calculations 23
Cost Calculations 24
Cost Calculations 25
Cost Calculations 26
Cost Calculations 27
Cost Calculations 28
Cost Calculations 29
Cost Calculations 30
Cost Calculations 31
Cost Calculations 32
Cost Calculations 33
Cost Calculations 34
Reading a Tape Measure 35
Reading a Tape Measure 36
Reading a Tape Measure 37
Reading a Tape Measure 38
Concrete Formwork 39
Concrete Formwork 40
Concrete Formwork 41
Concrete Formwork 42
Concrete Formwork 43
Concrete Formwork 44
Concrete Formwork 45
Concrete Formwork 46
Steel 47
Steel 48
Concrete Volume 49
Concrete Volume 50
Concrete Volume 51
Concrete Volume 52
Carpentry 53
Carpentry 54
Carpentry 55
Carpentry 56
Carpentry 57
Carpentry 58
Carpentry 59
Carpentry 60
Carpentry 61
Carpentry 62
Electrical 63
Electrical 64
Electrical 65
Electrical 66
Electrical 67
Electrical 68
Electrical 69
Electrical 70
Electrical 71
Electrical 72
Electrical 73
Electrical 74
Electrical 75
Electrical 76
Electrical 77
Electrical 78
Electrical 79
Electrical 80
Electrical 81
Electrical 82
Electrical 83
Electrical 84
Electrical 85
Electrical 86
Electrical 87
Electrical 88
Drywall Layout 89
Drywall Layout 90
Drywall Layout 91
Drywall Layout 92
Drywall Layout 93
Drywall Layout 7) Multiply b X 2 = C which is the length of all sides 94
Drywall Layout C = 2b 95
Plaster Layout 96
Plaster Layout 97
Painting 98
Carpet Laying and Tile Setting 99
Carpet Laying and Tile Setting 100
Carpet Laying and Tile Setting 101
Carpet Laying and Tile Setting 102
Carpet Laying and Tile Setting 103
Carpet Laying and Tile Setting 104
Roofing 105
Roofing 106
Roofing 107
Roofing 108
Roofing 109
Roofing 110
Roofing 111
Roofing 112
Roofing 113
Roofing 114
Roofing 115
Roofing 116
Roofing 117
Roofing 118
Roofing 119
Roofing 120
Roofing 121
Roofing 122
Roofing 123
Roofing 124
Roofing 125
Roofing 126
Roofing 127
Roofing 128
Roofing 129
Roofing 130
Building Engineering / Electrical I E R 131
Building Engineering / Electrical I E 132
Building Engineering / Electrical R I P 133
Building Engineering / Electrical P I 134
Building Engineering / Electrical 135
Building Engineering / Electrical 136
Building Engineering / Electrical 137
Building Engineering / Electrical 138
Building Engineering / Electrical 139
Building Engineering / Electrical 140
Building Engineering / Electrical 141
Building Engineering / Electrical 142
Building Engineering / Electrical 143
Building Engineering / Electrical 144