A course of study in building trade mathematics

115 Pages·04.082 MB·English

by  Parry, Thomas Dee

A COURSE OF STUDY IN BUILDING TRADE MATHEMATICS
A Project
Presented, to
the Faculty of the School of Education
The University of Southern California
In Partial Fulfillment
of the Requirements for the Degree
Master of Science in Education
by
Thomas Dee Parry
February 1950
UMI Number: EP46009
Ail rights reserved
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UMI EP46009
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This project report, written under the direction
of the candidate’s adviser and approved by him,
has been presented to and accepted by the Faculty
of the School of Education in partial fulfillment of
the requirements for the degree of Master of
Science in Education.
Adviser
Dean
ii
TABLE OP CONTENTS
CHAPTER PAGE
1. BUILDING PLANS: HOW TO WORK PROM BLUEPRINTS . . . ♦ . 1
A* MOTIVATION: Goals which you may achieve if you
learn how to read blueprints • • • • • • ......... 1
B. DIRECTIONS: Key points to guide you in reading
building plans . . . . • • • • ............... * . 1
1* LINES: How to construct according to the
principal kinds of lines on a blueprint . . . 1
2. SYMBOLS: How to build or install fixtures
properly according to symbols that pertain
to the building trades • • • • • • • • . • • • 4
3. CONVENTIONS: How to build properly according
to indicated dimensions « . . . . » • • . • • 7
4. SCALE REPRESENTATION: How to translate the
drawing into structures of the proper
proportions • • • . . . . . • • • • . • • . • 1 2
5. SOURCES FOR THIS CHAPTER: Where to get
further assistance • • • • • . « • . . . . • . 13
C. ACTIVITY ASSIGNMENTS: Learning experiences to
help you read blueprints .......... 15
D. EVALUATION: Check-ups which may be applied to
your mastery of blueprint reading . . . . . . . . 15
2. FOUNDATIONS: HOW TO FORM AN ESTIMATE FOR
FOUNDATION W O R K ........................................21
iii
CHAPTER PACE
A. MOTIVATION: Advantages of making good
estimates for foundation work • • • • • • • • • • 21
B. DIRECTIONS: Some helpful guides to follow in
making a foundation-work survey 21
1. EXCAVATION: How to figure the amount of
piek and shovel work needed before laying
the foundation • • • « • • • ............ 21
2* FORMS: How to determine the approximate
quantities of materials required for wooden
forms • . . • ............ 22
3* CONCRETE: How to calculate the amounts of
cement, sand and rock needed . . • • . . « • 26
4. COSTS: How to compute the cost of
foundation work................ 30
5. SOURCES FOR THIS CHAPTER: Where to get
further assistance • • • . . . • ........... 32
C. ACTIVITY ASSIGNMENTS: Some learning experiences
to enhance your skill in making a foundation-
work survey • • • • • • « ........ . . . . . . . 32
D. EVALUATION: Check-ups which may be applied to
your estimates of foundation work 33
5. STRUCTURE: HOW TO ESTIMATE FRAMING................... 35
A. MOTIVATION: Rewards that come from being able
to estimate framing 1 . ............ 35
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CHAPTER PAGE
B« DIRECTIONS: Suggestions on how to figure the
amounts and cost of framing materials and labor • 35
1* UNDERPINNINGS: How to determine the
quantity of lumber needed for a sturdy
foundation framework 35
2* FLOORS: How to figure the amount of
material needed for floor framing 36
3* WALLS: How to estimate wall framing
lumber ..................... 41
4* CEILINGS; How to compute the quantity of
lumber needed for the ceiling structure • • • 44
5. ROOFS: How to calculate the amount of
material required for the roof framework I . 44
6. COSTS: How to figure the amount of money
needed for framing materials and labor . . « 48
7. SOURCES FOR THIS CHAPTER: Where to get
further assistance . • • • • • • • • • • • • 50
C. ACTIVITY ASSIGNMENTS: Projects to perfect your
ability to estimate framing materials............. 50
D. EVALUATION: Ways in which your mastery of
framing estimating techniques may be checked . . 52
4« FLOOR SURFACES: HOW TO FIGURE MATERIALS AND COST OF
FLOOR SURFACES....................... 55
V
CHAPTER PAGE
A. MOTIVATION: Advantages of making accurate
computations for floor surfaces • • • • • • • • • 55
B. DIRECTIONS: Guides in calculating materials
for floor surfaces . . . . . . . . . . 55
1* MEASUREMENT: How to calculate floor areas • 55
2. FLOOR SURFACES: How to figure the amount
of common types of floor coverings required • 56
3. COSTS: How to compute the expense of
finish flooring and labor . . . . . . . . . . 60
4. SOURCES FOR THIS CHAPTER: mere to get
further assistance 63
C. ACTIVITY ASSIGNMENTS: Projects that will help
you in figuring floor surfaces 63
D. EVALUATION: Methods which may be employed in
checking your computations for floor surfaces . . 64
5. WALL COVERINGS: HOW TO COMPUTE THE COST OF LABOR
AND MATERIALS FOR LATHING AND PLASTERING 1 ...........66
A. MOTIVATION: Outcomes of making good
computations for wall coverings • • • * • • • • • 66
B. DIRECTIONS: Some pointers to help you in
figuring the cost of materials and labor for
lathing and plastering . . . . « • • . • • • • . 66
1. LATHING: How to calculate the quantity of
materials needed as a base for plaster . . . 66
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CHAPTER PAGE
2. PLASTERING: How to figure the amount of
materials for plastering 69
3. COSTS: How to determine the material and
labor cost of lathing and plastering . • • • 71
4. SOURCES FOR THIS CHAPTER: Where to get
further assistance . • • . . 73
C. ACTIVITY ASSIGNMENTS: Work to do to help you.
in computing materials and labor cost for wall
coverings . . • • 73
D. EVALUATION: An evaluation instrument which may
be employed in relation to your calculation of
wall coverings • 73
6. ROOF COVERINGS: HOW TO ESTIMATE ROOF COVERINGS . . . 76
A. MOTIVATION: Rewards for being able to figure
the amount and cost of roofing materials • • • « 76
B. DIRECTIONS: Steps to follow in calculating
quantities and costs of roof coverings • • • • • 76
1. MEASUREMENT: How to find roof areas . . . . 76
2. ROOFING: How to estimate the amount of
materials needed 77
3. COSTS: How to figure the amount of money
you will have to pay for roofing materials
and labor • • • . . ................... 82
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CHAPTER PAGE
4. SOURCES FOR THIS CHAPTER: Where to get
further assistance • • • • » • • • • • • • • 84
C. ACTIVITY ASSIGNMENTS: Projects to help you to
become proficient in estimating roof coverings . 85
D. EVALUATION: Check-ups which may be applied to
your estimates of roof coverings ...........85
7, PROTECTIVE COVERINGS: HOW TO CALCULATE THE AMOUNT
OF PAINT AND WALL PAPER REQUIRED . . .......... . . . 88
A. MOTIVATION: Gains that accrue from accurate
figuring of protective coverings , . 88
B. DIRECTIONS: Practical suggestions on how to
estimate painting and paper hanging • • • • • . . 88
1. EXTERIOR WORK: How to figure the quantity
of paint needed to cover the outside • . • . 88
2. INTERIOR WORK: How to calculate the amount
of paint to buy for the indoor areas . . . ♦ 92
3. WALL PAPER: How to determine the number of
rolls of wall paper required ............... 94
4* COSTS: How to estimate the cost of materials
and labor for painting and papering . . . . . 95
5. SOURCES FOR THIS CHAPTER: Where to get
further assistance • • • • • • • 97
C. ACTIVITY ASSIGNMENTS: Projects for learning to
compute the cost of painting and papering • • • • 97
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CHAPTER PAGE
D. EVALUATION: An evaluation instrument for
checking your figuring for painting and wall
papering • 93
BUILDING TRADE MATHEMATICS COLLECTION: A special reserve
shelf for use in building trade mathematics courses, 1G0