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EMERALD ARCHITECTURE: CASE STUDIES IN GREEN BUILDING

TRISTAN KORTHALS ALTES, JESSICA BOEHLAND, NADAV MALIN


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state office building enriches employees lives with light and landscape

The geometry of the building, withits strong horizontal lines crowned

with a gently curving roof, is intended

to echo the limestone bluffs over the

Missouri River, where the building

sits.


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SITE PLAN

1 Site constraints limit the parking lot size; future

development elsewhere on the site will provide

more space.

2 The main building entrance bridges a low area in the

landscape.

3 The buildings east-west axis maximizes solar

exposure, while the buildings two wings shade each

other from harsh morning and afternoon sun.

4 The Missouri River is a stones throw away.


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Horizontal lightshelves and vertical fins

on the exterior facade, both of concrete,

block direct sunlight while reflecting it

into the buidlings interior. Open offices

are located on the buildings perimeter,

where they enjoy this daylighting, while

building services are located at the core.


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Certified sustainable lumber

from Missouris only Forest-

Stewardship- Council-certified forest

was used in the atrium, which

is filled with daylight and views of the

bluffs.

A non-irrigated landscape

design with indigenous

grasses, shrubs, and trees has

thrived.


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SKY CONDITIONS

This chart illustrates the average

proportion of cloudy, mixed, and

clear sky conditions over the

course of a year.


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CALPERS HEADQUARTERS

COMPLEX

SACRAMENTO, CALIFORNIA


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The CalPERS facade blends

vertical and horizontal elements,

including exterior and interior

lightshelves, to filter and shade the

sunlight, while allowing for

daylight penetration and views

from the buildings interior.


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Replacing surface parking with below-grade parking


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The project features daylighting, views, natural ventilation, and a series of

elevated terraces, fostering employees connection with the natural environment.


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The central atrium, referred to as the

living room, is topped by a

skylight and a scrim that filters lightand reduces heat gain. Many of the

surfaces in this space are FSCcertified

American cherry.


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The light-colored steel structure

produces dappled shading in theOutdoor courtyards.


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The satellite antennae and

control rooms perch above an

earth-sheltered office floor in

NOAAs new operations facility.

Photographs from the national

oceanic and Atmospheric

Administrations (NOAA)

satellitesviews of the earth

and its weather patterns fromabovepervade our media-

rich culture. With this

established public face, NOAA

officials saw little need for a

signature building by a big

name architect.


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The nearly windowless fourstory

bar houses computer facilities

and satellite controls that engineersresisted locating below

grade. The northsouth orientation

is optimal for positioning the

antennae close together.


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The unexpected design features satellite dishes on the roofdubbed the

bar of a windowless rectangular box.


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The entrance ramp leads into a conference facility at an intermediate

level, below the control rooms and above the primary workspace.


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The extensive green roof ispunctuated by large light-wells

and circular skylights of

various sizes.


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Ceiling heights up to 28 feet createa spacious feel in the large,

earthsheltered open workspace.


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