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Verizon, 375 Pearl Street

Infrastructure consulting and then a network separation project

Understanding a 1,000,000 sq. ft. building inside and out doesn’t come quickly, but with years of supporting Verizon as the base building engineer, we became experts at 375 Pearl Street. Our base building engineering services included the design of new standby generators, modular chillers, and a standalone cooling plant. Three projects that were particularly interesting from an engineering standpoint were the UPS plant modifications, the design of a new steam station, and the Local Law #26 (LL26) compliance project. In order to make design recommendations to improve efficiency and redundancy for the UPS plant, we did our homework first. We completed an infrastructure study to understand the existing configuration and condition of the 3 MVA UPS plant serving the building. We gathered input from Verizon’s various stakeholders to understand the load requirements.  And then based on our understanding of the various requirements, we prepared comprehensive recommendations for various options to improve redundancy in the system and identified a number of short and long-term financial benefits.

Our base building services also included working with Verizon on the design of a new steam station. The existing system needed to be replaced because of structural problems with the slab above the steam station and new steam demands.  We surveyed, performed steam pipe stress calculations, and then determined the increased steam capacity requirements for the floors. We then worked with ConEdison to get approval for the additional steam. Working in phases, we were able to deliver the design for a new steam station and work with the CM on a phased construction process to ensure the building was fully operational while the work was being completed.

When LL26, which required all buildings in New York City be fully sprinklered by 2019, was adopted, Verizon wanted to know immediately if and how this new law would affect 375 Peal Street. We first conducted a floor-by-floor survey of all of the existing life safety systems. Based on our analysis, we prepared a report describing: the additional fire protection equipment required to upgrade the existing fire standpipe system to a combined fire standpipe/sprinkler system; and phasing and coordination options for the installation of the sprinkler system. We also assisted Verizon’s Property Management department with capital planning and determining the best option for implementation.

After many years collaborating with Verizon as the base building engineer, Verizon decided to sell 375 Pearl Street as part of their long term real estate plan for the New York market.

We led a team of architects and engineers responsible for consolidating Verizon’s operations to three full floors and part of the basement. The team completely separated the MEP systems serving these floors from the base building MEP systems – creating a virtual building within a building. This type of work is both complicated and needs to be carefully managed in order to meet expectations. Because of our understanding of the building and our great relationship with Verizon, we were able to meet their expectations.

Our consulting for Verizon on network separation projects goes far beyond MEP engineering and managing the design team. We also prepared condo documents, coordinated with Verizon’s legal team, and coordinated with the new building owner.

Project Type
Central Utilities / Infrastructure,
New York, NY

Project Services

Electrical (Infrastructure)

Designed of all or some of the following systems: incoming electrical service including switch, switchboards and main distribution, electrical riser, infrastructure for emergency generator, lighting and power drawings, exit signs and emergency lighting.

Fire Protection (Infrastructure)

Designed of all or some of the following systems: roof mounted storage tank, sprinkler and drain risers with new rigs and tamper switches, and fire booster pump.

Mechanical (Infrastructure)

Designed of all or some of the following: mechanical systems: HVAC system, chiller plant, air handling units, exhaust, boiler, steam risers, control valves and steam traps, life safety generator and BMS.

Plumbing (Infrastructure)

Designed of all or some of the following systems: domestic water mains, sanitary and domestic water risers, duplex pump set, house trap, and gas service.