SSUD71-101 Final Assessment: Understanding Buildings

Final Assessment (201) SSUD71-101
Understanding Buildings
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Faculty of Society & Design
Subject Code: SSUD71-101
Subject Title: Understanding Buildings
Subject Coordinator: Judy Doherty
201 End-of-Semester Assessment
(Replacing the End-of-Semester Examination)
Assessment Description
• 3 tasks
• Short answers and written responses.
• All tasks to be complete in the Word document Question sheet(s)
• Word count for written responses: 300 words (max) per question
• Expected time required to complete the overall assessment: 3 hours
• The assessment will be available for 24 hours
• Other important information related to the task and format: Download drawings
and Word document task sheet before commencing.
Access Date and Time: 6.00pm, Friday 3rd
April 2020 (AEST)
Period of Access: 24 hours (1 day)
Time to do the work: Untimed
Due: 6.00pm, Saturday 4th
April 2020 (AEST)
Alternative assessment is generally designed to accommodate students with a disability service
plan.
If you feel you require more time, please contact your subject coordinator as a priority.
Submission Details:
1. Format of submission: Document upload
2. Instructions for submission:
Document upload: Save Word document using SID only as file name. Submit
though the SafeAssign portal.

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SSUD71-101 Understanding Buildings201
Part 1 – General Questions (30 marks total)
1. In accordance with AS2870, for each of these details give: (6 marks)
A. Wall type
B. Slab and footing type
The first one has been completed as an example.
Detail Answer
A. Wall type Brick Veneer
B. Slab & Footing Type Waffle Raft
A. A. Wall type Clad Frame
B. Slab & Footing Type Waffle Raft
A. Wall type Brick Veneer
B. Slab & Footing Type Stiffened Raft
A. Wall type Double Brick Veneer
B. Slab & Footing Type Stiffened Raft

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2. Legal Framework (10 marks)
The National Construction Code (NCC) defines various classes of buildings according to their
use.
a) What Class of building is a detached house? (1 mark)
b) Which Volume of the NCC deals with detached houses? (1 mark)
c) Give an example of the information which is contained in the Real Property
Description (RPD) of a site. (1 mark)
d) Why is the RPD important? (2 marks)
The NCC outlines requirements for natural light and ventilation to habitable rooms.
e) Give the percentage of floor area required for natural light in habitable rooms:
(1 mark)
f) Give the percentage of floor area required for ventilation of habitable rooms:
(1 mark)
g) What is the most common source of natural light and ventilation to habitable
rooms? (1 mark)
h) Give an alternative source for each of natural light and ventilation. (2 marks)
Class 1
Volume Two
The purpose of the real property description is so that upon the sale
or transfer of a property or land your conveyancer will need the
RPD to locate and identify your plot of land.
Plan & Lot Number, Locality (Parish),
County, Site Area
10% of Floor Area for Windows or 3% of
Floor Area for Roof Lights
5%
Windows
Roof Lights, and Doors

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3. Describe in your own words the differences between a face brickwork and common
brickwork wall. Give an example of where each type of brickwork might be used and
why.
(75 words max) (4 marks)
4. What factors need to be considered when selecting wall linings and finishes for the
following spaces in a residence? Give examples of appropriate wall finishes in each
case. (6 marks)
i. Bedrooms
ii. Bathrooms
iii. Garage
Face Brick alludes to bricks that’s outer surface has not be treated with any cover or
rendering. The colour of the brick is distributed equally throughout. They adopt treated
mortar and the edges of the brick are clean cut. Due to the ability to render face brick
it’s used on the façade of a house whereas common bricks even though they are the
same size as face brick which permits their use in conjunction with face bricks to save
money however they are used more in hidden areas and the mortar is applied without
a clean finish.
Plasterboard, 3D Panels, Timber panels and boards, wallpaper are all suitable wall linings and
finishes for the bedroom. If you wish to soundproof your room, there are special acoustic
plasterboards. It’s all about what texture and trim highlights your architect is looking for.
The type of cornice i.e. wall/junction should be factored in generally.
Villaboard is appropriate here given bathrooms are a wet area, waterproof or not villa board
can endure and with high tensile bond strength commonly placed tiles, fixings, mirrors
will be supported. As plasterboard can be curved adding stone tile as a feature can serve
as a contrast to ceiling linings. Other linings include glass, but safety must be accounted
in.
Plasterboard alternatives include sheet metal with horizontal wood members or purlins, ,
fiberglass reinforced panels resisting pests and moisture – requires plasterboard behind
to act as fixing material, pegboards and slat wall panels allowing shelves and other
storage gadgets to be kept to keep floors clear. Fire resistance is a factor in this selection.

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5. List four (4) key elements used in timber framed housing to resist wind loads. (4 marks)
End of Part 1
Part 2 continues next page.
Plywood sheet bracing, Steel Straps, Tie Down Rods and Tie Down Straps, and Internal
Plasterboard, Fibre cement, Hardboard

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Part 2 – Refer to the Drawings (40 marks total)
Please answer these questions briefly and succinctly in the spaces provided.
20 words max for each answer, unless indicated otherwise.
1. Site Plan questions (12 marks)
a) Describe the purpose of the land immediately west of the site? (2 marks)
b) Taking note of the North Point, give the bearings of the four sides of the site (the street
frontage has already been given) (2 marks)
a. North boundary Bearing
b. East Boundary Bearing
c. South Boundary Bearing
d. West Boundary Bearing
c) Why does the future pool need to be indicated on this site plan? (2 marks)
d) There are two different retaining walls shown. Describe one of these in terms of wall
type, materials and drainage requirements. (2 marks)
Firstly, for structural engineering purposes any house footings will need to be deepened to
ensure they aren’t undermined by the pool and secondly if the owner is planning to place a
pool they must receive permission from the council to do so. The council must be aware of
any existing assets which can be determined from the site plan to ensure no interference.
90°
180°
270°
0°
Rockwork can include sandstone, fieldstone, limestone and granite. Blocks need to be sized to
ensure they interlock. Any gaps can be sealed with smaller sized boulders. Boulder retaining
walls are naturally draining which is possible through gaps left in the stones. Layers of gravel
and sand are usually provided as a foundation to these walls.
The best views are something that must be given consideration during the site analysis. Given
the location of our site, it’s predominately any house single or worse double storey built on
this block will block any good views our occupants expect to have.

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Site Plan Questions (continued)
e) What services are identified on the site plan? What other services would be expected to
be available to this site? (2 marks)
f) The contours shown are finished contours. Describe the ground shaping which appears
to have taken place and given reasons why. (2 marks)
2. Ground Floor Plan questions (12 marks)
a) Floor finishes – give a brief description of each of the different floor finishes shown.
Include information about fixing and/or laying as appropriate to each. (this answer may
be up to 100 words) (3 marks)
b) What are the internal dimensions of the Dining Room? (1 mark)
c) What is the width of the hallway? (1 mark)
Sewer drainage, Stormwater drainage, Gas
The top of the boulder retaining wall shown by a spot level of 25.83 in comparison to the house
finished site contours of 23.2-23.4 which indicates the existence of a 2.5 m cut. It’s also clear
from the increase in slope from the driveway of 22.0 that a lot of filling has taken place. The
contours at the driveway are more close meaning a greater slope. In this situation it’s helpful
to provide a batter to reduce the impact of the site cut and fill.
ST Conc – Using steel trowel to create an appealing design and texture before concrete hardens.
TFF – Installation on dense fibreboard and clicked into place with no glue or nails.
CPT – Ensuring clean floors use smooth edges around perimeter then lay underfelt, roll your
carpet and use knee kicker to adjust with joining tape to add carpet edges.
CFT – Clean surface, reference line for symmetry. Increase surface area of the water-based
adhesive using a notch trowel, cut tiles to size, use tile spacers and cut openings for draining.
PT –Clean surface allowing adherence to flooring. Placing polyethylene sheet between slab and
flooring can eliminate moisture transfer.
4.4 m x 3.5 m
1.4m

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Ground Floor Plan Questions (continued)
d) How many fixtures requiring plumbing are the on the lower level? (2 marks)
e) Give a written description of SD3. (2 marks)
f) What is the difference in floor level from the family room to the terrace (in mm)?
(1 mark)
g) List the hardwired appliances in the kitchen. (2 marks)
3. Elevation questions (7 marks)
a) Briefly describe each of the external wall finishes by material and installation. (This
answer may be up to 100 words) (2 marks)
b) What is the floor to floor height? (1 mark)
9 – shower, floor waste, vanity basin, water closet,
washing machine, tub, dishwasher, kitchen sink
5400mm x 2100 mm 6 Panel Sliding Door
75 mm
Wall Oven, Cook Top and Range Hood, Dishwasher
Hardies Linea Weather Boards – Frame to be fitted first with windows. Weather barrier
“Hardie Wrap” to be installed onto frame. Linea PVC starter strip installed. Preparation
mark for top of first board to ensure 20-50 mm overhang. Ensure 50 mm clearance
required between cladding and roofs. Cladding must not encounter moisture.
Face Brick – Once the timber frame is up, one layer of brick is placed on the rebate with the
flashing and weephole installed behind the first row of bricks. Then once the flashing is
placed, 2nd
row bricks are added using mortar as glue row by row with brick ties – frame
.
Ground Floor – 2750 mm
First Floor – 2730 mm

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c) How many risers will be needed in the stair between floor levels? Explain your
calculation. (2 marks)
d) Explain why the head height of windows 6 and 7 are lower than all other windows.
(1 mark)
e) What considerations need to be made where the lower roof abuts the adjacent wall?
(1 mark)
4. Roof Plan questions (9 marks)
a) How wide are the eaves? (1 mark)
b) What distance does the gable overhang the wall? (1 mark)
c) Note the ‘gazebo’ roof. The hip and valley lines do not conform with the 45° convention
for these lines on plan. Why? (2 marks)
d)
e) What considerations need to be made for penetrations, such as the chimney, and
fixtures, such as the solar panels? (2 marks)
f) What is the typical gutter? (1 mark)
Assume Riser = 150 mm, 2750/150 = 18.333 risers. Round
up to 19 mm @ 145 mm high risers plus landing
Due to the competing space in a wall for cabinetry (Overhead cabinets) and windows these
windows tend have a lower head height.
As we can see in the garage that other than the two square hollow sections for the garage
lintel there are inside the garage two steel square hollow sections that would most
likely require a beam to span this distance to support the wall of first floor above.
600 mm
300 mm
Due to the non-square shape of the roof. Looks more like a 5-sided octagon. 45 degrees
won’t be feasible with a 5-sided roof.
As per drawings there is to be flashing around chimney penetrations. Solar panel installers
will penetrate through rafters and bolt flashing to rafters. Perhaps technology for solar
mounts such that there are rubber seals that prevent water leakage.
150 Colorbond Quad Gutters

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g) How should roof water from the high roof be managed if it falls onto the lower roof?
(1 mark)
h) What is the treatment of the gable verges? (1 mark)
End of Part 2
Part 3 continues next page.
Downpipes should be routed directly from the roof of the
second storey to the lower roof gutter.
Barge Roll

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Part 3 – Written response (30 marks total)
These questions should be answered in some depth. 300 words total per question
(maximum)
1. Site Visual Analysis (10 marks)
Discuss what can be discovered by undertaking a visual site analysis and why it is important
with respect to all aspects of the development of a site for a detached residence.
Tree locations and existing vegetation should be noted for its preservation and referenced
with respect to its location to the building area.
The prevailing winds direction and magnitude which can be collated by spending as many days
as possible on the site however due to the difficulty of this task it’s easier to speak to the
locals, and source it again from the bureau of meteorology which isn’t always accurate due
to the presence of hills and ridges which can cause for other simultaneous prevailing wind
directions.
The best views can be determined in conjunction with the sun angles. Where the sun sets or
rises can assist with the view to best place your openings whilst giving appropriate
consideration for the energy efficiency of the house to counter the severity of the sun’s
heat during the extreme summer periods. Even the locations of your neighbor’s windows
should be considered for privacy.
Checking the soil profile by taking a shovel and digging, checking for landslip/subsidence can
assist with whether the foundation requirements will require more engineering and more
soil-stringent construction measures thereby increasing the cost of the investment.
Determining the extent of your land using pegs. Where will your building be positioned on the
land with respect to the setbacks. Your surveyor whilst helping you determine the extent
of your land can assist with how much your land is sloping. Services availability and
accessibility is important such as electricity supply, sewer mains – Is the sewer sloping
allowing for easy connection whilst maintaining its gravity fall. Stormwater mains and
street potable drinking water supply - is it nearby or do you need to run a conduit from
across the street which requires council approve, money and time.

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2. Services and Utilities (10 marks)
Plumbers and Electricians will be required on site on at least three separate occasions
during the construction process of a residence.
Discuss in detail these three stages of construction and what will be undertaken by these
trades at each stage.
The plumber is the first person to visit the site before the concrete is poured. He installs all the
piping that will be the water supply to bathtubs, sinks, toilets, and showers. The concreter will
then pour the concrete with the plumber on site to ensure the pipes remain in the correct
positions. Then the wall frame is erected after the slab cures. Once the wall frame is erected
and prior to wall linings being fixed to frame, this is the perfect opportunity for the electrician
to come in for the first rough-in. The plumber can come in also around the same time do the
plumbing rough-in. For the electrical rough-in: The house frame is complete and it’s time to
install the electrical cables before they are concealed in the wall and ceiling finishes. The cables
required for the main reticulation of electricity and yet there must be enough left-over cables
for the final fixing of circuits. The plasterers will then come in so the electrician must liase with
the plasterer to ensure the marking of linings and pulling through of cables is performed to
ensure cables are not lost behind sheeting. Regarding the plumbing rough-in the plumber must
be in contact with the carpenters to prepare for the water supply and drainpipes to be passed
through drilled holes in the studs and frames. Before the painter comes in, the electrician can
complete the circuits for the cables. Connecting outlets for lights, power points, and electrical
related fittings. Time can be saved also if the hardwired appliances are to be delivered prior to
fix off to prevent any problems with incorrect wiring of appliances. Final fit off for the
electrician will include steps to ensure lighting, switches, power points, vents (rangehoods, a/c,
and fans, hot water and approval for electrical plans as per the supply authority’s installation
scheme to allow homeowners to move in. Plumbing fit off will require the fixing of taps,
drainage and hot water.

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3. External works and landscaping (10 marks)
Usually one of the last trades to commence on site, many aspects of the external works and
landscaping need to be considered early in the project.
Discuss this statement, explaining in detail how the planning of the external works and
landscaping influences the final development of a residential site.
“Build a house suitable for the land. Don’t change the land to suit the house”
This statement underlines the importance of preserving the natural landscape. With council
regulations in place to protect heritage, and environmental overlays, animals and water the
builder must ensure they respect these regulations and adhere to them. Using plant species
that are appropriate and can survive in that climate, promoting a healthy environment for
the native wildlife, and ensure no damage is done to any natural features of the land such as
streams, native flora and fauna. In areas in Victoria, where you’ll find a lot of co-habitation
with river fauna such as frogs planning a garden that is designed like a wetland might be
more suitable to attract the natural species in those areas.
Reducing the building area and if that’s not feasible compensating it with roof gardens and using
more soft landscaping such as ground-shaping and drainage, soil preparation and placement,
- controlling the amount of salinity, trees – increase the process of carbon dioxide and
photosynthesis, providing shade and retaining soil and irrigation to supports gardens to
produce food and conserve resources.
Sustainable landscapes are important for contributing back to the environment through water
replenishment or and use green energy feeding solar power back into the grid as these
assists with a re-direction from the use of fossil fuels towards greener more sustainable
energies. Using colours’ that do not create warmer urban areas for your building finishes is
also important.

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END OF QUESTIONS
PLEASE SAVE THIS DOCUMENT USING YOUR STUDENT ID AS THE
FILE NAME, THEN SUBMIT INTO THE ASSESSMENT PORTAL.

SSUD71-101 Final Assessment: Understanding Buildings

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