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7/21/2019 Building Technology Construction Video Contents
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BUILDING TECHNOLOGY-CONSTRUCTION TECHNOLOGY
DRAFTS FOR 10 VIDEOS
( 10ft X 10ft Guard Room
with seven windows, three doors, toilet, and wash basin.Please see appendix for detail)
INTRODUCTION TO CONSTRUCTION VIDEOS
ESSENTIAL CONTENT OUTLINE
AND SUPPORT MATERIAL
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INTRODUCTION TO CONSTRUCTION
TECHNOLOGY VIDEOS
INTRODUCTION AND NOTE:
The main objective of these ten videos is to acquire the knowledge,
understanding, and application of essential concepts in construction
technology. For this purpose, these videos should not only explain
essential concepts and theory but also, should, practically demonstrate
the step by step procedures in the construction of an actual 10ft by 10 ft
guard house with seven windows, three doors, toilet and wash basin.
The goal is that these videos should transfer essential practical skill in
construction technology to participants.
The format below should be considered as a guideline for the
development of videos.
MAIN TOPIC:
SUB TOPICS:
Everyday Applications:
Essential Content:
Practical Examples/Demonstrations:
Purpose/Application/TheoryApparatus/Equipment required
Skill of individuals to perform specific tasks
Proper use of equipment (Demonstrate)
Precautions/Safety Measures
Results/End Products
Discussion/Conclusion
Examples of trends in Technology/New equipment, and
Innovations in Construction domain
Summary of important conceptsAssessment of skills learnt(Short Quiz, interactive questions/answers)
NOTES:
The intention for developing the outlines for the content, and the
support material for videos, is not to provide the transcript but to
provide guidelines for essential content of the videos. Even though
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practical examples have been given in the material below, these should
not block the creativity of video producers to add examples, additional
theory, and illustrations, to meet the requirements for the essential
content for each video, as well as to meet the necessary terms of
reference for the production of videos.
The associated support material given below should serve to provide
direction and where necessary, should be supplemented according to the
requirements of the essential content of the videos. Further, where
applicable, the content of videos could be arranged such as to best fit the
needs of the users, and the intended application of the videos.
Apart from using the Subject Specialist to assist in writing video
scripts, the producers should hire the individuals with technical and
practical skills in order to create quality output.
ESSENTIAL CONTENT OUTLINE
VIDEO 1 – PREPARATION OF SITE FOR GUARD
HOUSE Identification and selection of site.
Site Plan and drawings. Interpretation of Drawings.Stripping of Site.
Step by step procedures for lining of the Building.
VIDEO 2 – LAYOUT OF BUILDING
Steps used in laying out of a building
Bearing capacity of soil. Factors affecting the depth and width of the
foundation trench.
Excavation / digging of foundation trenchLayout of foundation- Steel work
Concrete strength and mixing ratios. Apply appropriate mixing ratio
for the footing of the Guard House.
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VIDEO 3 – BLOCK LAYING, CONDUITS, AND PIPES
Prepare mortar with appropriate ratio for Block laying.
Block laying. Cutting and positioning blocks, filling pockets, setting
mortar joints.
Laying of first row of Blocks.Lay electrical conduits, water and drainage pipes.
VIDEO 4 – SETTING BEAMS, COLUMNS, AND
STIFFENERSProcedures for setting beams, columns, and stiffeners. Erecting form
works.
Steel work for beams, columns, and stiffeners. J-Bold placement.
Casting form work with appropriate mortar.
Setting time/duration for all castings.Complete the block work for the Guard house.
VIDEO 5 – WALL CASTING AND FINISHES, AND
FLOOR CASTING FOR THE GUARD HOUSE Types of different wall finishes. Advantages and disadvantages.
Apply rough casting, and rendering/plastering of the walls of the Guard
House.
Demonstrate wall fine finishes using different methods andappropriate ratio for mortar.
Apply appropriate final finishes to the Guard House inside and outside
walls
Casting the floor with appropriate mortar mix for the Guard house.
VIDEO 6 – INSTALLATION OF ROOF
Definition of roof elements.
Installation of wall plates.Calculation of Rafter size and Roof Members.
Installation of Ridge, Rafters, Laths etc.
Installation of hurricane straps.
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VIDEO 7 – ROOF COVERING
Show different types of roof coverings.
State advantages and disadvantages.
Demonstrate using step by step procedure of installing the clay type
roof cover on the Guard House.
VIDEO 8 – INSTALLATION OF WINDOWS AND
DOORS
Different types of Windows and Doors. Advantages and disadvantages .Select appropriate type of Windows and Doors for the Guard House.
Select the correct type of latches, hinges, locks etc.
Step by step procedures of installing Windows and Doors, and locks at
the Guard House.
VIDEO 9 –FINAL FLOOR FINISHES AND USE OF
CERAMIC TILES
Identify different types of floor finishes with essential features.Example: demonstrate Steel Float finishing for the floor.
Install Toilet and Wash Basin.
Selection, procedures, materials , equipment and precautions for the
application of ceramic tiles.
Apply ceramic tiles for the floor of Guard House.
VIDEO 10 – STAIRS
Identification of different types of stairs – Quarter turn, Half turn,Spiral turn, and Straight stairs etc.
Calculation of Riser, Run, and Head Room clearance for stairs.
Demonstrate step by step procedure for setting up reinforcement using
steel for concrete stairs case. Complete the concrete stairs.
Demonstrate step by step procedure for constructing a straight wooden
stairs case. Complete the wooden stairs.
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Note: The video on stairs is a stand alone video, as the Guard house will
have no stairs. The rise of the both type of stairs stated above, should
be equivalent to the height of the walls of the guard house.
SUPPORT MATERIAL FORCONSTRUCION TECHNOLOGY VIDEOS
(Using Guard House Project)
IDENTIFICATION, SELECTION AND PREPARATION OF SITE(Steps to be observed)
Preliminary Site investigation:
1 - Establish land ownership – Check with TITLE’S OFFICE for details.
2 - Access to the property - The site should have clear means ( roads, pathways)- Access to the property.
3 - Perform Soil Test - A soil test must be done to determine the nature and the
load bearing capacity of the soil.4 - Availability of services - The availability of electricity and water service, is
an important factor to consider. The distance from other facilities such as
hospital, bank, supermarkets etc are also factors to be considered.5 - Area Specification: determine Zone Limitations and. Building Code for the
zones6 - Topography and Land history - The topography and history of any siteis important. It will aid in determining the equipment needs
to get the site ready for construction. The history of the site will also aid in
determining the effect of weather, flooding, water resources, landslide issues
etc.7 - Environmental Standards : The Site and construction must meet the
environmental standards.
Site Plan and Interpretation of Drawings:
The drawings should include; (APPENDIX A)i. Site
ii. Floor
iii. Foundationiv. Roof
v. Drainage
vi. ElectricalAll the above drawings should be in accordance with the standard code used by the
local authority.
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Stripping of Site
• Strip top soil to remove vegetation, trees etc.
• Create a surface for building to be laid out
The striping of the site and creating a hardcore layer for construction is a standard
procedure.
• Acquire relevant tools or machines neededi. Backhoe
ii. Roller
iii. Shovelsiv. Pick Ox
The equipment should be stored at a safe place and retrieved as desired.
• Obtain relevant skilled personsi. Operator for the Backhoe and Roller
ii. Labourers
Where necessary, one may acquire relevant skills outside the area.
Lining of the proposed building• Erect profile board (batter board) at the corner of the building
Fig. 1
(From the internet)
• Establish Foundation footing trench
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Fig. 2
(From the internet)
• Establish wall trench
2. Excavation of Trench
• Acquire relevant tools or machines neededi. The Backhoe
ii. Roller
iii. Shovels
iv. Pick ox
• Obtain relevant skilled personsi. Operator for the Backhoe and Roller
ii. Labourers
• Excavate foundation in accordance with building codei. Reference from building code
ii. Area specification to environmental standards
3. Bending and Forming of Steel work for foundation
• Acquire relevant tools or machines neededi. steel bender
Fig 3 – Steel Benders
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• Obtain relevant skilled persons
• Bend steel to create the foundation reinforcement
• Assemble steel to create foundation reinforcement
• Place reinforcement in foundation trenchThere are many tools designed for the bending of steel, and many tradesmen design
make-stiff tool that will get the job done like the one see in the photo above.
Fig 4
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Each step stated above should be carried out with quality to ensure that the building isconstructed according to standards.
4. Pouring concrete
• Acquire relevant tools or machines neededi. Mixer
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Fig 5
Portable Electric Concrete Mixer
Or Manual
Batching on Site
Fig 6
• Obtain relevant skilled personsi. Mixer operator
ii. Labourers to mix
• Mix concrete to specifications – state factors effecting the concretestrength
i. Reference from building code
ii. Area specification to environmental standards
• Transport concrete to relevant section of site
i. Wheel- borrow
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Fig. 7
ii. Shovels
Fig 8
Or use portable concrete mixing system.
• Pour concrete
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Fig. 9
LAYING OF BLOCKS
• Acquire relevant tools or machines neededi. Spirit Level
ii. Plumb Bob
iii. Concrete floats
iv. Buckets
• Obtain relevant skilled personsi. Skilled trades-men
ii. Labourers
• Prepare footing for first layer of blocks
Step 1
Demonstrate different types of blocks available. Choose the correct blocks for the job.For the most part, you can use regular-sized cement blocks for the most of the block
wall. To complete the course of blocks, you may need special block sizes. You can also
cut blocks to fit the course as necessary.
Step 2
Lay the proper footing. At the minimum, the footing should be twice as wide as the
blocks and twice as deep.
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Step 3
Purchase your blocks. The standard size block is 8 inches by 16 inches. Remember topurchase any specialty blocks you may need. Also, purchase /prepare your mortar.
Step 4
Build a guideline for your wall. Drive stakes of wood at each corner and tie string to
them. Place the stakes in line where you want the course of block to run.
Step 5
Set blocks in place for the first row of the course. Use a piece of scrap 3/8-inch plywood
as a marker between each block. This is the same thickness as the mortar between the
joints should be.
Step 6
Adjust the concrete blocks to get the right sizes to complete the first row of blocks. Applythe mortar about 1 inch thick and about 8 inches wide on the footing. Set the blocks on it
in a straight line.
• Establish level before placing additional layers
• Laying of electrical conduits, water and drainage pippes
• Lay required layers
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Erecting walls
Wall terms
i. Define the term walls.ii. What purposes do walls serve?
iii. Identify the types of walls.
1. Tools for laying Blocks and skills
• Acquire relevant tools or machines needed
Types of Spirit Level
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Pointing Trowel
Bush Hammer
• Obtain relevant skilled persons
i. Trained block layer
ii. Labourers
• Ensure foundation wall is level to receive blocks
The laying of blocks
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• Interlock blocks over steel from foundation
• Ensure that wall openings are in accord with the given drawings
2. Bending and Forming of Steel work for belt beam (ring beam)
• Acquire relevant tools or machines needed
• Obtain relevant skilled persons
• Bend steel to create the belt beam reinforcement
• Assemble steel to create belt beam reinforcement
• Place reinforcement in belt beam
3. Erect formwork to receive belt beam
• Acquire relevant tools or machines needed
• Obtain relevant skilled persons
• Cut and install formwork
• Place reinforcement to receive poured concrete
• Pour concrete and allow to dry
Construction and installation of roof
Roof terms
i. Define the term roofs.
ii. The purpose and features of roofs .
1. To keep out rain, wind snow and dust
2. To prevent excessive heat loss in winter
3. To keep the interior of the building cool in the summer4. To keep unwanted elements out.
5. designed to accommodate all stresses encountered
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6. designed to accept movement due to change in temperature and moisture
content
iii. Identify the types of roofs and roof members.
Roofs are design taking into consideration the climate of the region, and the
structure of the building.
iv. Identify and define roof members1. Ridge board This is the spine of the roof, and is a pitching plate for the rafters,
which are nailed to each other through the ridge board. The
depth of the ridge board is determined by the pitch of the roof.
2. Common Rafter The main load-bearing member of the roof is the common rafter.
It spans between the wall plate and the ridge board.
3. Jack Rafter These are fillers. They serve the same function as the common
rafter but span between the ridge board and valley rafter OR hip
rafter and wall plate.
4. Hip Rafter Similar to the common rafter, as they run from the ridge board to
the wall plate. They are different in that they form the external
angle in a Hip roof.
5. Wall plates These provide the bearing and fixing medium for all the various
roof members and distribute the load equally to the supportingwalls.
6. Eave This is the lowest edge of the roof. It forms the overhang to the
wall and gives protection from rain water. The amount ofprojection from the wall ranges between 300 mm – 450 mm.
(A diagram can be found in Construction Technology Volume 1 By R. Chudley page
105)
Steps to be observed
1. Install wall plates on the belt beam to receive roofing
• Secure wall plate to J-bolt
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The J Bolt
• Tighten J-bolt
• Install wall plate
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• Roof members
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• Roof Designs
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2. TO Install roof members
• Acquire relevant tools or machines needed
• Obtain relevant skilled persons
Application of finishes
Types of wall finishes
i. Define the term finishes.
ii. What purposes do finishes serve?
iii. Identify the types of wall finishes.iv. Identify and define wall finishes.
Step to be observed
1. Preparing wall to receive finish
• Acquire relevant tools or machines needed
• Obtain relevant skilled persons
• Apply desired finish
Flooring
i. Identify and define the term flooring.
ii. What purposes does flooring serve?
iii. Identify the types of flooring.
Steps to be observed
1. Prepare ground to receive flooring
• Acquire relevant tools or machines needed
• Obtain relevant skilled persons
• Compact ground
• Bend steelwork
• Pour concrete and allow to dry
2. Prepare floor finish
• Acquire relevant tools or machines needed
• Obtain relevant skilled persons
• Select the type of finish to be used and apply to specifications
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Project: Stairs
Title: Designing and constructing stairs
Stairs
i. What purpose do stairs serve?
ii. Identify and define the members of, and the terms associated with stairs.
Stairwell: Stairs: Tread, Nosing, Rise, Riser, Going, Run, Flight, Head roomclearance, Newel, Strings, Step, Handrail, Baluster, Pitch line
iii. Types of Stairs:
Quarter turn, Half turn, Spiral turn, and straight stairs.
Also
a. Long L stairway
b. Doudle L stairsc. Wide L stairsd. Narrows U Stairs
e. Wide U stairs
f. Winding stairs
etc
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Some Examples of types of stairs
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iv. Further types of stairs ( some examples)
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Elements of stairs
Steps to be observed
1. Identify area that stairs will be installed
• Select appropriate area based on availability of space
Stairwell Opening
• Calculate the total rise, run, and head room clearance.
• Calculate the required number of treads and risers
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Stairs Design
Demonstrate step by step procedure for setting up reinforcement using steelfor concrete stair case. Perform calculations and construct the stairs.
Demonstrate step by step procedure for constructing a straight wooden stair
case. Perform calculations and construct the stairs.
• Acquire relevant tools or machines needed
• Obtain relevant skilled persons
• Examine construction for accuracy of design
• Check stairs for safety in accordance with building code
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APPENDIX
(GUARD HOUSE DRAWINGS)
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