This assignment is to be completed individually. It is linked to the Bute Street Motel project which you are completing for Design Studio 2.
This assignment will cover Unit 1 of the Management module.
Specific learning outcomes from this assignment are:
Awareness of the range of cost management techniques applicable to a project.
Understanding of life-cycle costing and the implications for a client in both the short and long term
Knowledge of product evaluation for a building.
Skills developed and assessed in this assignment are:
Communicate clearly and appropriately, demonstrating an awareness of a variety of contexts through reading, listening, writing, and presenting.
Manage information through applying technology (including ICT).
Demonstrate an ability to manage and develop themselves in terms of learning, time management, appreciating own roles and reflecting on this development.
Work with others with confidence, initiative and effectiveness.
Manipulate data numerately and coherently in an appropriate form in the discipline-specific professional context
You are to produce a cost report, 3000 words in length, aimed at advising your client, illustrating how you cost the scheme at each stage, and recommending approaches.
Your report will contain the following stages:
1. A m2 Cost Plan
This is appropriate to the concept and planning stage of the building design.
From the library or online find case studies of similar building types that provide elemental or m2 cost analysis. Analyse your building to identify where it has
elements / areas that are similar. Work out m2 costs for each area, allowing adjustment upwards where the elements in your design are more complex or challenging or
expensive, and downwards where the converse applies. Update the costs for locality and time. Bring this to a total anticipated cost for the building as a whole.
Reference your sources and state where you have found the figures that you use, what year, and what adjustments you have made, and provide references to the sources of
the adjustment data that you have used.
2. Cross-Sectional Bay costing
This is appropriate to the planning towards construction drawing stages of the building design.
Take a typical cross section of your building. In many buildings the form is an extrusion of a typical cross section along a length. Generate a schedule of the parts
from which it is made. Using SPONs or Wessex guides to costs find the nearest relevant elemental costs that apply.
Work out the costs of a typical extrusion of the cross section. This may be the distance from the centre of one structural column to the next along the facade.
Identify the date(s) of the applicable costs that you have used. Find the factors to bring these costs up to date, and apply them for the S Wales area.
Factor from the costed cross-sectional extrusion the costs of any variant similar parts of the building. Multiply these costs by the number of units of each type in
This analysis is an effective approach to understanding the anticipated cost of the whole building, provided there is an element of repetition in the building cross
section. Where this is the case you can adjust the quality of detailing, the procurement time, and the cost of materials, to ensure that the project as a whole is on
time and on cost by controlling
the cross sectional elements and relating this to the cost of the building as a whole.
3. 3D Detail
This is appropriate to the production drawing stage.
Take one of the 3D complex junction details that you have designed. Generate a schedule of the elements that make it up (ref workshop on costing). Using SPONs or
Wessex guides to costs: work out the cost of the elements for a generic linear extent of the detail, (for example for a
1 metre run). Work out the person hours involved for each trade. Work out the plant costs. Work out the temporary structures; waste (e.g cut bricks in the metre run)
etc. if any. Arrive at a cost per linear metre where the detail is applied.
Then multiply the cost per linear metre by the actual linear extent to which the detail applies in your design. Consider how you can eliminate waste (eg cut bricks)
and what changes you might make to reduce the person hours involved.
This is a subset of 2 above, where you need to know what a complex junction will cost as a proportion of the cross sectional analysis, and if necessary refine the
detail to reduce the cost and procurement times, and in a sustainable situation, the embodied energy or distance travelled.
Critically evaluate the following and advise your client as to the best approach:
Procurement and evaluation of estimates and tenders
Mitigating the risk of things going wrong and their effects on the programme and costs, and managing risks effectively.
Reducing waste through value engineering at the design stage, and via waste management approaches on site, eg avoiding designing in the need for cutting to size on
Reducing person hours involved in the construction on site of your design, eg through the use of automation on site or off site construction using modern methods.
Based upon the rules of thumb given in the module materials / lectures and an estimated occupancy life for the building of 100 years, estimate the lifetime cost from
design stage through to the end of the 100 year period. Analyse the implications for the client to whom you are providing this advice.
6. Reflections and Conclusions
Put all your workings, including CAD derived schedules in an appendix.
Summarise your findings: cost of parts, person costs, plant costs, temporary structures and waste costs. Show the total cost per linear metre. Show the actual cost
that applies in your design (linear extent multiplied by metre run cost for example).
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