King Khalid International Airport Development + Expansion 147
Riyadh, Saudi Arabia
Three decades after designing King Khalid
The design solution responds to Riyadh’s
Designed for LEED Silver certiﬁcation, the
International Airport (KKIA), HOK is now
culture while providing a series of memorable
project's sustainable strategies include
leading the design for the expansion of
spaces. The distinctive, hexagonal roof form
replacing the existing terminals’ external
Terminals 3 and 4. Though KKIA has served
and triangular organization of the original
cladding with a high-performance facade
Annual EUI: 27 kBTU / sf / yr
the city and region well, this expansion will
buildings guided the design. Basing the plan
system and upgrading infrastructure with two
69.3% below ASHRAE 2007
enable the airport to meet increasing demand
on the original module size, the team designed
new energy centers.
and support the country’s growing economy.
a seamless intervention with no clear
As with the original airport, the design creates
distinction between old and new modules.
a strong sense of place and a passenger-
design team to rationalize and coordinate the
friendly terminal welcoming each traveler as
The central processor building accommodates
an important guest to Riyadh.
the technical requirements of arrivals and
process throughout construction.
departures within curved, large-span,
The facilities are being refurbished in two
The design goal for the current project is to
triangular forms that emulate the original
phases to allow the existing airport operations
integrate and extend Terminals 3 and 4 as
smaller-scale roof forms. Clerestory glazing
to function at capacity during construction.
an inﬁll development that complements and
similar to that of the original terminals creates
enhances the existing airport to accommodate
a consistent daylighting approach.
more than 17.5 million passengers yearly. The project also introduces a central processor
Using variations of the original triangular roof
building and three new piers with 24 gates.
geometry, the three new piers are designed around their functional requirements and the need to carefully control daylight.
◄ view of roof
An integrated BIM strategy allows the entire
2014 design annual
3.06 million sq. ft. / 284,200 sq. m.