30 Hudson Yards (Tower A)

Location:New York, NY
Architect:Kohn Pedersen Fox Associates
Client:Joint Venture: Related Companies and Oxford Properties Group
Size:2.6 Million

Located in the East Rail Yards (ERY) section of Hudson Yards, a 17 million square foot development, the Office Tower A is the second-tallest building in New York City. The floor plans maximize river-to-river views. Time Warner is a major tenant and is also in active pursuit of LEED certification with Vidaris’ assistance. Vidaris also consulted on optimizing the energy efficiency of the 13 MW site-wide cogeneration plant - analyzing, among others, the distribution of electricity, hot water and chilled water within, and among, all buildings.

Vidaris has conducted energy modeling for several purposes:
•Estimate the actual energy cost, once the building is in use
•Help decide the cogen contribution that is economically advantageous for Tower A, given the demand from all other buildings on the site
•Incentives from the NYSERDA New Construction Program
•NYC Energy Code compliance. Of note, Vidaris has helped the building save hundreds of thousands of dollars via efficiency trade-offs in place of the provision for a 2% voltage drop in the main electric feeders.

Some of the energy efficiency measures evaluated included:
•High-performance curtain wall
•Heat wheel
•Effect of connecting all or parts of the building to the Hudson Yards cogeneration microgrid
•Chiller plant vs high efficiency water-cooled DX for the spec portion on the building
•High-efficiency chiller plant for the Time Warner section of the building

Vidaris, using CFD modeling, has assessed the potential for condensation at spaces with very high glass walls and complex geometry (64 ft glazing in the atrium)

In addition to energy efficiency, Tower A includes sustainability measures, among which are the following:
•Best practice air filtration using high efficiency MERV-14 filters
•At least 50% of wood certified by the Forest Stewardship Council
•Stormwater collected for cooling tower make-up
•Storm-proofing to protect from storms including Category 1 hurricane, using watertight points of entry, reinforced fuel tank rooms, and elevated switchgear

10 Hudson Yards will house the Time Warner corporate offices, CNN studios and offices, HBO offices and editing space, Warner Brothers corporate space, and other ancillary uses. It wil also accommodate other tenants. Time Warner has set a project goal of highly efficient, forward looking, and dynamic work space to align with the dynamic development objectives of Hudson Yards.

Vidaris professionals are assisting the owner and design team in achieving LEED Gold for this project, advancing features such as:
•advanced air filtration system
•significant water use reduction, based on evaluation of 6 options by Vidaris professionals
•installation of continuous metering equipment to allow for measurement & verification of system performance in base building
•evaluation of interior building materials to go beyond the baseline LEED low-emitting materials requirements
•ensuring high performance office, IT, and AV equipment through coordination of multiple disciplines

Vidaris professionals’ extensive energy analysis included integration with the base building systems, as well as an asseeement of energy efficiency measures that include:
•high efficiency chiller plant
•high efficiency boiler plant
•low lighting density in all spaces
•automated lighting controls in all spaces (daylight harvesting, occupancy and vacancy sensors)
•temperature management according to occupancy

Vidaris’ consulting is cofunded by NYSERDA.

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