A WebQuest for 12th grade Construction Technology Class
designed by
Dean L. Myers, Glendive Public Schools
Myers@Glendiveschools.com
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| Introduction |
Task |
Process |
Evaluation |
Conclusion |
Teacher
Page |
Introduction
Have you noticed homes in our town where the roofs are swayed or uneven? Do you wonder why this has happened? As a future homeowner
this is something you need to be aware of, identify the problem, and possibly repair. Through this activity you will be introduced to various
roof rafters and learn the basic layout and construction of roof rafters.
Be prepared to put your knowledge of woodworking, math, communiction, and geographic skills to use.
Have you noticed homes in our town where the roofs are swayed or uneven? Do you wonder why this has happened? As a future homeowner
this is something you need to be aware of, identify the problem, and possibly repair. Through this activity you will be introduced to various
roof rafters and learn the basic layout and construction of roof rafters.
Be prepared to put your knowledge of woodworking, math, communiction, and geographic skills to use.
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Task
You and your partner will layout and cut a gable rafter with a 4/12 pitch and a run of 10 feet. Each group will need to develop a step-by-step
procedure before construction of the rafter begins.
Task
You and your partner will layout and cut a gable rafter with a 4/12 pitch and a run of 10 feet. Each group will need to develop a step-by-step
procedure before construction of the rafter begins.
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Process
This project will be interactive beginning with two field trips. The first to the lumber yart to see the different types and sizes of rafters; the next
will be to a subdivision to see the styles, itches, and size of rafters used for the different roofs. You will need to take note of all the varieties
and associated proper names.
Begin construction in the following sequence:
Process
This project will be interactive beginning with two field trips. The first to the lumber yart to see the different types and sizes of rafters; the next
will be to a subdivision to see the styles, itches, and size of rafters used for the different roofs. You will need to take note of all the varieties
and associated proper names.
Begin construction in the following sequence:
- Review safety measures and equipment needed for the project.
- Carpenter tools needed for the project and the proper use of a framing square.
- Identify the different types of roofs.
- Identify the different rafter types.
- Use the proper terms for the parts of the rafter.
- How to determine roof pitch.
- Rafter layout and truss assembly.
- Installation of trusses and bracing.
- Jig
of making rafters.
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Evaluation
Evaluation
| Category |
4 |
3 |
2 |
1 |
|---|---|---|---|---|
| Shop Safety |
Always uses
safety precautions. |
Uses safety
precautions most of the time; needs reminding occasionally. |
Used tools
improperly. |
Needs constant
supervision and reminders of safety; has been moved to hand tools. |
| Preparation |
Always on time;
wears appropriate attire; has apron and hardhat on; knows the
assignment and begins work. |
Always on time;
occasionally needs reminders of assignment and attire. |
Occasionally
late; often needs reminders of assignement and attire. |
Typically late;
rarely remembers the assignment or proper attire. |
| Layout |
Follows all
steps necessary for project completion. |
Missed a step
but caught it before a problem developed. |
Skipped several
steps and project did not come together well. |
Skipped several
steps and project needed to be scraped. |
| Accuracy |
All cuts were
good and project came together correctly. |
Some cuts needed
minor alterations. |
Needed to recut
over half. |
Project needed
to be scraped. |
| Timeliness |
Project was
completed within the allowed timeframe. |
Project
completed within the allowed timeframe due to student coming in before
or after school a couple of times. |
Project was late
even with additional time before or after school. |
Project
incomplete; student did no extra time outside of class. |
| Cleanup |
Left a clean and
safe area. |
Needed reminding. |
Left tools out. |
Made noeffort to
put things away. |
| Project
Evaluation |
Excellant
workmanship; would recommend as a carpenter. |
Would recommend
as a carpenter with additional training |
Has
possibilities as a carpenter with supervision. |
Would not make a
carpenter at this time. |
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