Contract Sums/Estimates/FAs

Question 1

British Museum?

Answer 1

PTE, say PTE - £230k (same as eventual contract sum)

PSUMs:
-Lead repairs £500
-Hoppers £1500
Weatherboarding £750
Below ground drainage £3k
Masonry Repairs £250
Plasterwork £1k (live)
Renderwork £1k (live)
-Ceiling £750
-Side window repairs £500
-Blinds fuse spur rewiring £9k
UFH £17k
Plant and plinth £7k

Yes, additional work costs of circa £50k (estimated costs supplied by M&E surveyor (inflation updated)) Time: additional 2 weeks - spoke with M&E surveyor.
PTE - yes, £280k, updated and informed the client tender returns are now going to be overbudget and VE will need to be implemented after tender returns.

Lowest tender submitted after adjustment circa £270k (£40k over budget)

Contract Sum £225,505.34

Prelims £42,820.50
PSUMs £69,250.00 (Contingency £15,500+UFH £17,500+Plinth and Plant £7k)
MW £105,556.67
OHP (7%) £7,878.17

FA sum:
-Prelims £45k
-Works - £115k (inc OHP)
-Variations -£50k net =£0 (PSUM £35k; Cont £15k)
-L&E - £10k
TOTAL, say, circa £220k.

Question 2

Haringey Hubs?

Answer 2

PTE:
Conducted by others, say, £740k? (allows enough margin above/below for other bids)

Uplifted Sum £862,380.32 (uplifted)

Original breakdown:
MW £500k
Prelim £100k
PSUMs £80k (no uplift)
Contingency £70k (no uplift)
Discount £35k (no uplift)
OHP £75k (%??) (no uplift)
Furniture £75k (no uplift)

Contract Sum £763,426.12 (after scope reduction):
Same as above except:
PSUMs £60k
Contingency £75k
OHP £65k
Furniture £0

Final Account (£740k):
Omissions £250k (incs variations, psums, contingency, works not completed)
Additions £190k (variations, exp PSUMs)
Claims £40k (12 weeks EoT)

200 nr variations

Question 3

Peabody (Cremer)?

Answer 3

Contract Sum (Cremer) - say, £980k (agreed this one)

Access £370k
Roof Replacement £500k
PV Panels £110k

Variations (circa £150k)
Scaffold Handrail £5k
Roof Vents - Lower Roof
Roof Vents - £80k
Mansafe - £32k
2 Additional Invertors - £6k
Additional hire for hoists - £17k

FA - £1,130k

Question 4

Hackney Conservation Windows?

Answer 4

PTE £4,140K:
Prelim (17%) £500k
Windows £1,800k
Repairs £1,000
Asbestos £10k
Scaffolding £200k
OHP (8%) £280k
Contingency (10%) £380k

Contract Sum £3,670k:
Prelim £290k
Windows £1,410k
Repairs £1,130k
Asbestos £5k
Scaffolding £200k
OHP £300k
Contingency £330k

Question 5

Firemen’s Cottages?

Answer 5

Ref flashcards in Measuring (Detailed)

Question 6

St Monica’s Church Hall?

Answer 6

Note: Ref NRM Flashcards where implies costed Risk Register starts being used in Cost Plans at Cost Plan 2 (RIBA Stage 3 Spatial Coordination? - st Monica’s cost plan in this experience record is at RIBA Stage 3? And therefore my estimated costs for risk would be based on the Risk Register!?))

Cost Plan Breakdown: (4w enabling, 35w works), Nov 2022, present day rates, assumed works commence 2nd Quarter 2024.

Facil £217k
Sub £420k
Super £1,303k
Int Fin £304k
FFE £189k
Services £974k
Comp bui and units £0
Work to existing £0
Ext Works £226k

Building Works £3,633k

Prelims £620k (15%)
OHP £255k (6%)

Building Works Estimate £4,508k

Project/design fees £769k
Other devel/proj costs £0
Risk allowance £451k (10%)
Inflation £164k

Estimate of Projected Construction Cost £5,892k

Question 7

South Dock Marina?

Answer 7

Contract Sum: £940k
Prelims £65k
PSUMs £120k (Replace Power Supply £80k; Cathodic Protection £10k; Ground Condition Survey £12k)
Contingency, say £100k
MW £580k
OHP (10%) £75k

FA: £1.015k
Variation: £280k (inc £220 psums and contingency)
L&E: £15k (prolongation)