Whole-life costs: Hospital design | Features

Base building, hospital ward extension, 22.5 m deep on plan
These costs are slightly lower than an average hospital because ward areas are cheaper than highly serviced areas such as operating theatres
Basic information
Gross internal floor area: 9000 m2
Upper floors: 300 mm reinforced concrete.
Substructure: 200 mm ground-bearing slab
Roof pitched: “Sarna” single membrane proprietary roofing system with parapets
External walls: 60% terracotta rainscreen cladding, 40% rendered masonry wall
Windows: Based on 35% of the 2.9 m clear height – 45% is polyester powder-coated
Lifts: four passenger/bed lifts
Capital costs (£) (excluding fees)
Substructure	£717,350
Structure	£1,482,485
External envelope	£1,305,408
Internal divisions	£1,662,537
Finishes	£1,420,402
Fittings	Excluded
Mechanical	£2,734,162
Electrical & communications	£1,963,422
Lifts	£340,000
Preliminaries, Ohs & profit	£3,313,241
Total	£14,938,641
(Excludes allowances for price & design risk, and construction contingency)
Net present costs for energy consumption (£)
Space heating	£75,313
Fans	£25,402
Lighting	£474,716
Other energy costs	£582,646
Total (over 30-year period)	£1,158,077
Net present costs of maintenance and replacement over 30 years and discounted at 3.5% (Limited to just the key elements that are changed)
Gutters and balustrading to roof edge	£9,801
Window cleaning equipment	£55,707
Walls	£192,380
Windows	£59,354
Partitions	£28,059
Heat source	£160,075
Mechanical ventilation	£518,234
Transformers and stand-by generator	£33,894
Light fittings	£135,792
Net present cost for base building (excluding soft FM items such as cleaning, rates and porterage)	£1,193,296

Changes in energy costs
	Cost/yr £	Percentage change
Fabric heat losses	762	34.2%
Solar gains	–158	48.8%
Heat gains from lights	97	–7.0%
Fans	–4	–0.3%
General power Pumps and controls	710	42.9%
Lighting	–2757	–7.0%
TOTAL CHANGE PER YEAR	–1350
YP =	18.392
NPC over 30 years discounted at 3.5% p.a.	–24,829