837 Washington

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837 WashingtonJoseph BaselCarl Zanier

ASCE Met Section Spring Seminar 2015

837 Washington

Preservation of existing façade & tub below grade with 2’-6” mat foundation

ASCE Met Section Spring Seminar 2015

ASCE Met Section Spring Seminar 2015

ASCE Met Section Spring Seminar 2015

ASCE Met Section Spring Seminar 2015

Overview from the High Line

ASCE Met Section Spring Seminar 2015

New steel at upper levels frames into preserved existing façade at lower levels

ASCE Met Section Spring Seminar 2015

Curtainwall behind exoskeleton

ASCE Met Section Spring Seminar 2015

Twisting floorplates pivot around masonry-clad core

ASCE Met Section Spring Seminar 2015

Alternating deck direction reduces necessary beam depth

ASCE Met Section Spring Seminar 2015

ASCE Met Section Spring Seminar 2015

Tapered shims applied between connector plates

ASCE Met Section Spring Seminar 2015

7-ft. column transfer “joints” prefabricated off-site

ASCE Met Section Spring Seminar 2015

ASCE Met Section Spring Seminar 2015

Steel connection detailing model

ASCE Met Section Spring Seminar 2015

Built-up plate girders prefabricated off-site and bolted together on-site

ASCE Met Section Spring Seminar 2015

Under construction – Bolting the frame

ASCE Met Section Spring Seminar 2015

ASCE Met Section Spring Seminar 2015

Only beam web passes through building envelope to exterior frame

ASCE Met Section Spring Seminar 2015

837 Washington

Thank YouGilsanz Murray Steficek LLPEngineers and Architects