CASE STUDY Flashcards by Nikita Majevadia

What is soundmasking?

Speaker system which uses low-level background noise (white noise) to match the frequency of human voices to prevent conversations being overheard

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Which has more cost fixity a traditional or design and build procurement route?

D&B offers more cost fixity because the cost is agreed as a lump sum and any design risk sits with the Contractor

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How could you have used a traditional procurement route and still have met your PC date using a JCT contract?

Acceleration

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How long did the Stage 3 and Stage 4 design take to develop?

10 weeks

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You mention this project is based in Manchester, how did you collate cost information for Manchester when you’re based in London?

I used in-house data from projects recently completed in Manchester
I spoke with colleagues in the company that had worked on these projects and confirmed any assumptions / exclusions

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If you had no access to in-house data, how would you go about getting data from Manchester projects?

I could use market testing / speak with suppliers and subcontractors
Alternatively, I would use BCIS and adjust for location

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How did Manchester costs differ to London costs?

London costs are typically more expensive than Manchester due to cost of labour being higher, and the demand for office fit-out working being higher

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How do you adjust rates for location?

Base cost x location factor

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Why would location impact your costs?

Differences in labour costs, material sourcing, transportation expenses, and local market conditions.

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How is a TPI calculated?

By analysis recent cost returns (typically tender returns) and reviewing the difference in period over time

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What is the the location indice for Manchester compared to London?

As per BCIS

Manchester - 101
London - 125

Which means it would be 19.2% less expensive to build in Manchester than London

Although BCIS is all-in construction costs, these costs would differ slightly for just fit-out

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What is the current TPI?

2.25% in the UK
2.5% in London
2.5% in North West (Manchester)

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What was the percentage difference for the cost of construction works in London compared to Manchester?

£175 per sqft for Manchester
£250 per sqft for London

c. 30-35%

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How much was your Order of Cost Estimate?

£5.1 million

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What was the CSA for the project?

£4.6 million

Due to increased budget for design development and client led design changes

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How much are folding walls?

c. £6k per m

There were 3nr folding walls for this project, each c. £30k

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Why is the cost saving for the folding wall £35,000?

Omit 1nr folding wall from L4.
Chosen option was to create folding wall which can be doubly used
Reduction in requirment for separate folding wall. Cost still included requirment for track

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What works had to be undertaken to retain the suspended ceiling?

When looking at the layout, partitions and lighting meant that there had to be coordination works to the suspended ceiling

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How much of the CAT A suspended ceiling was retained?

The VE item was to replace this predominately in internal cellular areas which was c. 350 sq m

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How much did the fabric panel ceilings cost?

£500 per m2
£175,000 for 350 m2

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How much was it to retain the CAT-A ceiling?

£140 per m2 for coordination for new layouts incl partitions etc
£50,000 for 350m2

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What is the benefit of using flexible conduit containment to polyvinyl chloride conduit?

Flexible containment is more expensive but provides protection against liquids and other substances, it also allows for variations when cabling

PV conduit is rigid which has to be designed for

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What is value engineering?

Structured process aimed at reducing costs without detriment to function or quality

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How does value engineering differ to value management?

Value management is a holisitic approach to adding value to the project as a whole

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How much was the marble cladding for the reception desk?

£60,000

How much was the corian for the reception desk?

£35,000

What was the VE saving for retaining the CAT A ceiling?

£125k

What is the difference between corian and marble cladding?

Marble is a more luxury material due to the weight and cost of it, which requires professional expertise for installation Corian is an alternative which offers a similar look and feel but more durable and cheaper

What was the VE saving for the marble cladding?

£25k

What was the cost of the parquet flooring?

£350 per m2 £260k for 750 sqm / 8000 sq ft

What was the cost of the straight line timber flooring?

£285 per m2 £211k for 750 sqm / 8000 sq ft

What was the VE saving for the timber flooring?

£47k

What is the difference between parquet flooring and the straigh line timber?

The direction of which panels are installed. Parquet follows a diagonal mosaic pattern which is more labour intensive

What was the cost for automated blinds?

£80k c.£4k per blind - 20nr in total (10 on L1 and L4)

What was the cost for manual blinds?

£20k - £1k per blind

What other considerations were made when reviewing the change in blinds?

Cabling and containment for automated blinds Blind box details BWIC

Why was the saving for manual blinds only £20k?

Refers only to L1 & L4 - automated were kept in Client areas. Back of house areas / open plan were omitted Note, blinds were longer on L1 which we also made allowances for - this was held seperately to the rates as this was required for all remediations to L1

What was the cost of the curved partitions?

£7.5k per linear m (glazed curved partition) Approx 10 lm required in L1 reception only Total = £75k

What was the cost of the linear partitions?

£2.2k per linear m (glazed straight partition) Approx 10 lm required in L1 reception only Total = £22k

How does the build-up of a curved and linear partition differ?

The frame, glazing itself, cooridnation of cabling for access control

What was the saving for using linear glazing in lieu of curved?

£53k

What was the cost for retaining the CAT A lighting to open plan?

£30,000

What was the cost for new lighting?

£80,000

What was the VE saving for using CAT A lighting?

£60,000 However partial saving of £50,000 due to new lighting was required in the Client suite

What was the cost of the inset rugs?

£65,000 for 4nr new inset rugs (£15k each)

What was the cost of using overlay rugs?

£15,000 for 4nr overlay rugs (c. £3,750 each)

What was the VE saving of using overlay rugs?

Overall saving was £65k Partial saving agreed due to Client suite requirement for inset rug

What was the cost of the full-height glazing between booths?

8nr booths across 4nr floors. Each booth required 2lm of glazing: Full height glazing = £80,000 (£5000 per lm)

What was the cost of the half-height glazing between booths?

8nr booths across 4nr floors. Each booth required 2lm of glazing: Half height glazing = £30,000 (c. £2000 per lm)

What was the VE saving for using half-height glazing?

£50k

What was the cost for using flexible conduit containment?

£68k

What was the cost for using polyvinyl chloride conduit?

£36,000

What was the VE saving for using PVC?

£32k saving Flexible conduit would be replacing entire system PVC was already used in some of the basebuild and therefore required less

What was the cost of the fabric panelling originially?

£130k

What was the cost of decreasing the fabric panelling by 30%?

£93k

What was the VE saving of decreasing the fabric panelling?

£37k

What was the rate used for the fabric wall panelling?

£200 per m2 (assumed 2.8m height)

What was the cost of the bespoke panelling to 3nr folding walls?

£75,000 £25,000 per folding wall (assumed 5m per wall)

What was the cost of the off the shelf panelling to 3nr folding walls?

£33,000 £11,000 per folding wall (assumed 5m per wall)

What was the VE saving of using off the shelf wall panelling in lieu of bespoke for the folding wall?

£42,000 saving

What was the total VE saving?

£374,000

What was the original cost for the soundmasking?

£100,000

What was the saving for the soundmasking?

£60,000 Requirement for 2nr floors omitted. Saving was more than half due to the requirement on floors differing slightly

What was the original cost for buying the coffee machines under the construction works?

£80,000 CAPEX cost = £80,000 for 3nr coffee machines and associated works such as disposal and drainage connections OPEX cost = renting the coffee machines. Client direct cost

How did you get to £75,000 for omitting the provision of the new lobby?

Overall cost of adding the lobbies was c. £75,000 do adding glazed partitions, additional space heating into the area and access control. Cost to change this to match open plan was just to swap out floor finishes and omit other parts

What was the original cost of the terrace benching??

£25,000 Omit terrace bench in full. Rejected due to the requirement for seating outside. In lieu of furniture to bought in the future

What was the original cost for the radiator covers?

£30,000 Radiation covers were £3k each - made bespoke with a mosaic pattern Alternative was to paint to radiators white

What was the cost of omitting ancillary joinery to waiting area?

£20,000 for the omission fo to side bar tables

What was the total saving from VE?

£200k

What was the cost of reducing quantity of folding walls?

Original cost = £80,000 Saving of £45,000 to remove one of the folding walls Partial saving as the folding wall was reduced to one but the specification was updated so that the wall served on 2nr tracks to seperate the meeting room is 2 directions

CASE STUDY Flashcards

(70 cards)