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In early 2026 (January), new building permits were filed for a 14-story building with approximately 483 residential units, about 242,000+ sq ft of residential space, plus ~21,000 sq ft of commercial space (total height around 150 feet). Currently, it remains the existing low-rise commercial structure, but construction on the new mixed-use affordable housing tower appears to be advancing or permitted. Proposed Development • 333 units of 100% affordable housing, proposing HDC/HPD Mix and Match Program. • Return of existing Fine Fare Supermarket • 6,750 SF of community facility • Enhanced Community Experience with active ground floor supermarket, street level retail and landscaped entryway • 117 Parking Spaces • Sustainable Design • Solar Powered and/or Green Roof Home / Multifamily 2560 BOSTON ROAD ARCHITECTS . Aufgang Architects PROJECT SIZE . 263,000 SF SCOPE . Full MEP design, and construction administration services, energy modeling and sustainability consulting services, commissioning. HVAC, sprinkler, plumbing and electrical power, fire alarm design and construction administration, sustainability, façade optimization, energy modeling Go Go In early 2026 (January), new building permits were filed for a 14-story building with approximately 483 residential units, about 242,000+ sq ft of residential space, plus ~21,000 sq ft of commercial space (total height around 150 feet). Currently, it remains the existing low-rise commercial structure, but construction on the new mixed-use affordable housing tower appears to be advancing or permitted. Proposed Development • 333 units of 100% affordable housing, proposing HDC/HPD Mix and Match Program. • Return of existing Fine Fare Supermarket • 6,750 SF of community facility • Enhanced Community Experience with active ground floor supermarket, street level retail and landscaped entryway • 117 Parking Spaces • Sustainable Design • Solar Powered and/or Green Roof

The development was acquired for $255 million, with total project costs projected at $500 million. Work will be funded through a mix of public and private financing, including New York State’s Housing Our Neighbors With Dignity Act (HONDA), New York City’s 15/15 Supportive Housing Initiative, HDC tax-exempt bonds, and HPD’s Supportive Housing Loan Program. Additional support includes financing from Wells Fargo, JPMorgan Chase, the Low Income Investment Fund, LISC Fund Management, and the Corporation for Supportive Housing. Historic and Low-Income Housing Tax Credits and transferable development rights have also been utilized. The Stewart Hotel, a 31-story building shuttered since 2022, is anticipated to take around 24 months to complete renovation. Construction will include merging adjacent rooms to create apartments, replacing mechanical systems, installing LED lighting, and building on-site social services offices. Support services for residents, including seniors and formerly homeless individuals, will be provided by Breaking Ground through a partnership with the NYC Department of Health and Mental Hygiene. Home / Multifamily STEWART HOTEL ARCHITECT . Aufgang Architects PROJECT COST . $500 million SCOPE . Design, approvals and construction administration of mechanical, plumbing, sprinkler, electrical and fire alarm systems. Go Go The development was acquired for $255 million, with total project costs projected at $500 million. Work will be funded through a mix of public and private financing, including New York State’s Housing Our Neighbors With Dignity Act (HONDA), New York City’s 15/15 Supportive Housing Initiative, HDC tax-exempt bonds, and HPD’s Supportive Housing Loan Program. Additional support includes financing from Wells Fargo, JPMorgan Chase, the Low Income Investment Fund, LISC Fund Management, and the Corporation for Supportive Housing. Historic and Low-Income Housing Tax Credits and transferable development rights have also been utilized. The Stewart Hotel, a 31-story building shuttered since 2022, is anticipated to take around 24 months to complete renovation. Construction will include merging adjacent rooms to create apartments, replacing mechanical systems, installing LED lighting, and building on-site social services offices. Support services for residents, including seniors and formerly homeless individuals, will be provided by Breaking Ground through a partnership with the NYC Department of Health and Mental Hygiene.

A 13-story building at 67 Meserole Street is a significant project for East Williamsburg, especially given its shift toward 100% affordable housing. Here is the current state of play as of February 2026: Project Status & Timeline Permit Phase: The new building permits filed in July 2025 by SD Builders and Construction (designed by Aufgang Architects) have moved through the initial Department of Buildings (DOB) review. Brownfield Cleanup: Because the site was historically used for fuel storage and construction equipment, it entered the New York State Brownfield Cleanup Program. Remediation work (cleaning up the soil and groundwater) is a prerequisite for residential occupancy and has been the primary focus throughout late 2025. Construction Progress: Heavy machinery for foundation work and "shoring" (securing the ground for the deep cellar) is expected to be active on-site throughout early 2026. The Building Specs Height: 13 stories (approx. 124 feet). Units: 312 residential apartments. Notably, the project has pivoted toward 100% affordable housing, which may eventually involve a lottery through NYC Housing Connect. Monthly rents across the two developments are expected to range from $1,339 for a studio apartment to $2,304 for a three-bedroom residence. The projects will include indoor and outdoor recreation areas, fitness facilities and on-site laundry services. Additional information regarding apartment finishes and other resident amenities has not been announced. Ground Floor: Roughly 6,500 square feet of commercial space, likely intended for a neighborhood-facing retail tenant or community facility. Design: Expect the signature Aufgang Architects style—likely a mix of modern brickwork and large windows to blend the industrial history of the block with modern residential needs. Home / Multifamily 67 MESEROLE STREET ARCHITECT . Aufgang Architects PROJECT SIZE . 84,500 SF PROJECT COST . $162,900,000 SCOPE . Full MEP design, and construction administration services, energy modeling and sustainability consulting services, commissioning. HVAC, sprinkler, plumbing and electrical power, fire alarm design and construction administration, sustainability, façade optimization, energy modeling Go Go A 13-story building at 67 Meserole Street is a significant project for East Williamsburg, especially given its shift toward 100% affordable housing. Here is the current state of play as of February 2026: Project Status & Timeline Permit Phase: The new building permits filed in July 2025 by SD Builders and Construction (designed by Aufgang Architects) have moved through the initial Department of Buildings (DOB) review. Brownfield Cleanup: Because the site was historically used for fuel storage and construction equipment, it entered the New York State Brownfield Cleanup Program. Remediation work (cleaning up the soil and groundwater) is a prerequisite for residential occupancy and has been the primary focus throughout late 2025. Construction Progress: Heavy machinery for foundation work and "shoring" (securing the ground for the deep cellar) is expected to be active on-site throughout early 2026. The Building Specs Height: 13 stories (approx. 124 feet). Units: 312 residential apartments. Notably, the project has pivoted toward 100% affordable housing, which may eventually involve a lottery through NYC Housing Connect. Monthly rents across the two developments are expected to range from $1,339 for a studio apartment to $2,304 for a three-bedroom residence. The projects will include indoor and outdoor recreation areas, fitness facilities and on-site laundry services. Additional information regarding apartment finishes and other resident amenities has not been announced. Ground Floor: Roughly 6,500 square feet of commercial space, likely intended for a neighborhood-facing retail tenant or community facility. Design: Expect the signature Aufgang Architects style—likely a mix of modern brickwork and large windows to blend the industrial history of the block with modern residential needs.

The building is in the preconstruction phase, with permits filed in December 2018 for a six-story residential structure. Size and Units: The development will feature 5 residential units across six stories, with a total residential space of approximately 8,173 square feet. Each unit averages about 1,635 square feet, suggesting spacious condominiums. Building Specifications: The structure will stand 68 feet tall and have a total area of 10,790 square feet, including non-residential space. It will be built with a steel-base foundation. Developer and Architect: The project is owned by Dharshyni Peries of LLS Number 1 LLC, with Kimberly Brown of Strata Architects PLLC listed as the architect. Location Benefits: The site is directly across from the Clinton Community Garden and near Hell’s Kitchen Park. It’s also close to the 50th Street subway station, providing access to the C and E trains. Historically, the address was associated with a four-story building constructed in 1910, containing 4 units, as noted in older property valuation data. However, the current project indicates that this older structure has likely been replaced or significantly redeveloped into the new six-story condo building. Home / Multifamily 435 WEST 48TH STREET ARCHITECT . Strata Architects PLLC PROJECT SIZE . PROJECT COST . SCOPE . Design, approvals and construction administration of mechanical, plumbing, sprinkler, electrical and fire alarm systems. Go Go The building is in the preconstruction phase, with permits filed in December 2018 for a six-story residential structure. Size and Units: The development will feature 5 residential units across six stories, with a total residential space of approximately 8,173 square feet. Each unit averages about 1,635 square feet, suggesting spacious condominiums. Building Specifications: The structure will stand 68 feet tall and have a total area of 10,790 square feet, including non-residential space. It will be built with a steel-base foundation. Developer and Architect: The project is owned by Dharshyni Peries of LLS Number 1 LLC, with Kimberly Brown of Strata Architects PLLC listed as the architect. Location Benefits: The site is directly across from the Clinton Community Garden and near Hell’s Kitchen Park. It’s also close to the 50th Street subway station, providing access to the C and E trains. Historically, the address was associated with a four-story building constructed in 1910, containing 4 units, as noted in older property valuation data. However, the current project indicates that this older structure has likely been replaced or significantly redeveloped into the new six-story condo building.

HARLEM PROPERTIES SCOPE . Design, approvals and construction administration of mechanical, plumbing, sprinkler, electrical and fire alarm systems. PROJECT COST . Home / Commercial HARLEM PROPERTIES ARCHITECT . PROJECT SIZE . PROJECT COST . SCOPE . Design, approvals and construction administration of mechanical, plumbing, sprinkler, electrical and fire alarm systems. Go Go SCOPE . Design, approvals and construction administration of mechanical, plumbing, sprinkler, electrical and fire alarm systems.

AU CHEVAL NEW YORK SCOPE . assisted client with negotiation of commercial lease term, provided full MEP design and construction administration services, carried out NYC Special and Progress Inspections PROJECT COST . $ 2.5 million Home / Commercial AU CHEVAL NEW YORK ARCHITECT . Stephen Jacobs Group PC PROJECT SIZE . 5,700 GSF PROJECT COST . $ 2.5 million SCOPE . assisted client with negotiation of commercial lease term, provided full MEP design and construction administration services, carried out NYC Special and Progress Inspections Go Go A gut renovation of cellar and ground floors in an existing landmarked building to accommodate a new restaurant. Arguably the best burger in America is coming to New York. A diner-style bar and restaurant with a passion for eggs, Au Cheval elevates traditional diner fare. Guests can indulge in dishes ranging from chopped chicken liver and roasted bone marrow, to traditional sandwiches, egg-focused entrees, and the signature cheeseburger. The dimly lit restaurant, designed with a vintage reel-to-reel soundtrack, will feature dark leather booths, dark wood paneling, and a zinc bar wrapped around the open kitchen. The project involved a full floor gut renovation. The design incorporates variable air volume mechanical ventilation system for kitchen exhaust hoods totaling over 40 feet in length. INTERIOR DESIGNER | Martin Brudnizki Design Studio

5 EAST 57TH STREET SCOPE . fire protection system pursuant to Local Law 26 requirements PROJECT COST . Home / Commercial 5 EAST 57TH STREET ARCHITECT . PROJECT SIZE . 49,000 SF PROJECT COST . SCOPE . fire protection system pursuant to Local Law 26 requirements Go Go 5 East 57th Street is an existing 22-storey 49,000 SF commercial high rise building. The stretch of East 57th Street was once an exclusive residential neighborhood with opulent mansions owned by bankers and industrialists. But by early century, most of the millionaires moved further uptown and the area greatly changed. Number 5 was among 14 sites acquired by William Randolph Hearst and Arthur Brisbane in 1925 with a view to erect a group of commercial structures along east 57th and east 54th streets. The plans for a 247-foot-tall tower were drawn up in 1926 by a prolific New York city architect Emery Roth. The building was designed as of a mix of Gothic and Art Deco style with exaggerated setbacks. In June 2004, the 1968 NYC Building Code was amended with the signing of Local Law 26 of 2004. The new law mandated retroactive requirements for a full system of automatic sprinklers to be installed in office buildings 100 feet or more in height and buildings classified in occupancy group E 100 feet or more in height. Altera Engineering was retained by the owners of 5 East 57th Street to retrofit the building with a modern fire protection system pursuant to Local Law 26 requirements. The first challenge had to do with an interpretation of the mandate in a way as to not burden the owners with onerous system design. In other words, any proposed system had to be right-sized for the project and in accordance with NFPA 13 and NFPA 20. Another- greater- challenge was in fitting a new fire pump, all new sprinkler risers, piping, and heads into the existing shafts, ceilings and walls, while carrying out the work around the existing rent paying tenants. Following a comprehensive survey, Altera Engineering engineers worked with the property manager to develop a floor-by-floor phasing schedule. Fire pump and main riser were installed in phase I. Floor fit outs were carried out in subsequent phases as the floors became accessible.

621 WEST 55TH STREET SCOPE . full MEP design and construction administration services PROJECT COST . Home / Commercial 621 WEST 55TH STREET ARCHITECT . PROJECT SIZE . 22,000 SF PROJECT COST . SCOPE . full MEP design and construction administration services Go Go A 22,000 square foot ground up high rise commercial office building in New York city. This boutique building contains 8 full floor offices above a 3-level parking garage. 621 West 55th Street is being designed to meet US Passive House Institute standards for energy efficiency. Passive House standard emphasizes air-tight, continuously insulated building envelope without thermal bridges, high performance windows and balanced heat and moisture recovery ventilation. Passive House buildings are expected to consume 75-90% less energy than traditional buildings. The biggest challenge for MEP systems was to minimize the impact of the high rise MEP system requirements on an relatively small floor plate (2,400 SF). A fire protection tank, standpipe, generator, ventilation systems all eat up valuable floor area and the project becomes less financially viable. The Altera Engineering team worked closely with the architect to optimize MEP systems to achieve the largest possible usable area. The building is cooled and heated with a variable-refrigerant system. Packaged rooftop energy recovery ventilator filtered and conditioned fresh air directly into each office in a continuous ventilation cycle. MEP systems include a 150-kW emergency generator with a diesel tank, an underground suction tank for fire protection, and reversible air-flow parking garage exhaust system with post-fire smoke purge functionality.

The project involves the infill development of three city owned blocks into affordable rental housing as part of the East Tremont Cluster project. This initiative aims to create three new affordable multi-family rental buildings on currently vacant sites in the Bronx. East Tremont is a neighborhood in the western Bronx, New York City, known for its rich history, cultural diversity, and working-class roots. It is part of Community District 6 and is bordered by the Cross Bronx Expressway to the south, Bronx Park to the east, and Third Avenue to the west. Between the 1940s and 1970s, East Tremont underwent major demographic shifts. A turning point came with the construction of the Cross Bronx Expressway, initiated by urban planner Robert Moses in the late 1940s. The highway displaced thousands of residents and split neighborhoods apart, leading to economic decline and urban decay. Many middle-class families moved to the suburbs, and by the 1970s and 1980s, the area faced rising crime and poverty. Starting in the 1990s, New York City launched major affordable housing programs to revitalize East Tremont and surrounding Bronx neighborhoods. Key initiatives included: -NYC Housing Preservation and Development (HPD) projects, which renovated or built thousands of affordable units. -Nehemiah Housing Program, which helped construct new affordable homes. -Public-private partnerships with nonprofit developers to convert abandoned buildings into viable housing. -New affordable housing developments, including those funded by HPD’s Neighborhood Construction Program (NCP). -Infrastructure improvements, such as better transit options and street enhancements. -Small business growth, with more restaurants, shops, and markets opening to serve the growing population. -Green space restoration, with nearby Bronx Park and Crotona Park receiving upgrades. The three development sites are located at 907 East 175th Street, 1900 Marmion Avenue, and 706 Fairmount Place. The proposed developments will collectively produce approximately 64 affordable rental units and one superintendent’s unit, totaling around 53,515 square feet of residential floor area. Of the 63 affordable units, approximately 16 will be designated as Affordable Independent Residences for Seniors (AIRS). Additionally, 10% of the total residences will be reserved for formerly homeless families and individuals. The project is funded through HPD’s Neighborhood Construction Program (NCP), which provides financing for the construction of infill rental housing with up to 30 units affordable to low-moderate, and middle income households. Home / Multifamily EAST TREMONT COMMUNITY DISTRICT 6, BRONX ARCHITECT . Jonathan Kirschenfeld Architect PC PROJECT SIZE . 3 Buildings, 64 total rental units PROJECT COST . $46 million SCOPE . Design, approvals and construction administration of mechanical, plumbing, sprinkler, electrical and fire alarm systems. The biggest engineering challenge for projects of this size is developing all - electric MEP systems that minimize capital costs while exceeding the energy performance requirements of the funding agency. Go Go The project involves the infill development of three city owned blocks into affordable rental housing as part of the East Tremont Cluster project. This initiative aims to create three new affordable multi-family rental buildings on currently vacant sites in the Bronx. East Tremont is a neighborhood in the western Bronx, New York City, known for its rich history, cultural diversity, and working-class roots. It is part of Community District 6 and is bordered by the Cross Bronx Expressway to the south, Bronx Park to the east, and Third Avenue to the west. Between the 1940s and 1970s, East Tremont underwent major demographic shifts. A turning point came with the construction of the Cross Bronx Expressway, initiated by urban planner Robert Moses in the late 1940s. The highway displaced thousands of residents and split neighborhoods apart, leading to economic decline and urban decay. Many middle-class families moved to the suburbs, and by the 1970s and 1980s, the area faced rising crime and poverty. Starting in the 1990s, New York City launched major affordable housing programs to revitalize East Tremont and surrounding Bronx neighborhoods. Key initiatives included: -NYC Housing Preservation and Development (HPD) projects, which renovated or built thousands of affordable units. -Nehemiah Housing Program, which helped construct new affordable homes. -Public-private partnerships with nonprofit developers to convert abandoned buildings into viable housing. -New affordable housing developments, including those funded by HPD’s Neighborhood Construction Program (NCP). -Infrastructure improvements, such as better transit options and street enhancements. -Small business growth, with more restaurants, shops, and markets opening to serve the growing population. -Green space restoration, with nearby Bronx Park and Crotona Park receiving upgrades. The three development sites are located at 907 East 175th Street, 1900 Marmion Avenue, and 706 Fairmount Place. The proposed developments will collectively produce approximately 64 affordable rental units and one superintendent’s unit, totaling around 53,515 square feet of residential floor area. Of the 63 affordable units, approximately 16 will be designated as Affordable Independent Residences for Seniors (AIRS). Additionally, 10% of the total residences will be reserved for formerly homeless families and individuals. The project is funded through HPD’s Neighborhood Construction Program (NCP), which provides financing for the construction of infill rental housing with up to 30 units affordable to low-moderate, and middle income households.

Home / Landmarks BROOKLYN ROASTING COMPANY ARCHITECT . Cypher Design PROJECT SIZE . 16,000 SF PROJECT COST . SCOPE . Full MEP design and construction administration services. HVAC, sprinkler, plumbing and electrical power design and construction administration Go Go BROOKLYN NAVY YARD When an established Brooklyn based coffee company decided to consolidate its roasting and shipping under one roof, they retained Altera Engineering to help them bring their vision to reality. Founded in 2009 in a Brooklyn loft, artisanal coffee purveyor- Brooklyn Roasting Company- has consistently been ranked as top 5 coffee places in Brooklyn (Yelp), one of 10 best coffee shops on New York City (Gothamist) and best local brew of 2015 (Gothamist). BRC prides itself on sourcing locally grown, organic fair trade coffee beans. It is no surprise they decided to locally source engineering services as well. BRC came to Altera Engineering because their previous consultant was not responsive to their needs and was too expensive. Brooklyn Navy Yard is a former US Navy shipbuilding yard spanning 300 acres on the East River in Wallabout Basin. Following its closure in the mid 60’s, the yard was re-opened in 1969 as an industrial park. Since 1989, the site has seen economic development spurred by the city’s investment. Today, more than 200 businesses operate at the yard and employ about 5,000 people. Brooklyn Roasting Company decided to take up a 16,000 SF space in the Navy Yard to consolidate its roasting operations. On most projects, clients come to their engineers with defined design criteria. In the case of BRC, the client did not know how to best program the their new facility. There were plans for an office, packing, roasting, and shipping and even performance space functions. Our engineers worked closely with the client and architect to learn BRC’s business model, ins and outs of a coffee roasting process and the client’s future plans in order to help the client define present and future performance requirements of the space. Altera Engineering was retained to provide consulting, engineering design and construction administration services for BRC’s new facility. The project involved specialty HVAC systems for coffee roasting production plant. Altera Engineering prepared documents for State Historic Preservation Office filing.

Home / Landmarks 309 WEST 86TH STREET ARCHITECT . PROJECT SIZE . PROJECT COST . SCOPE . assisted with securing Landmarks Preservation Commission approval for installation of rooftop equipment Go Go Development in the Riverside-West End Historic District Extension I went through several phases in the years between the 1880s and 1930s. The earliest phase between roughly 1885 and 1900 saw the construction of speculatively built row houses and flats for the middle and upper classes. By the turn of the century, developers began to focus on constructing larger apartment buildings as increasing construction costs ended row house construction, and the newly opened IRT on Broadway made the Upper West Side more accessible to the city’s expanding population. Legislation such as the 1901 Tenement House Act, the 1916 zoning ordinance, and the 1929 Multiple Dwelling Law contributed to the transformation in the scale of the streetscapes of West End Avenue, Riverside Drive, and West 79th and West 86th Streets where row houses and smaller buildings were replaced by newer, larger buildings.[1] 309-311 West 86th Street was commissioned as a hotel in 1912 by Weymer Hinckley Waitt- a railroad engineer turned hotelier, whose company later built the Weylin Hotel on Madison Avenue. The 12-story 40,000 square foot building was designed by Schwartz & Gross and completed in October of 1914 at a cost of $250,000. Originally known as Hotel Wayne until 1953 when it was converted into the Waldorf Nursing Home. In 1962 it became a residence club for senior citizens. Following interior alterations in 1979 the building was reconverted into apartments and became a co-op known as Stetson House. In 1984 John F Kennedy Jr. and Robert Littell moved in together into a 2-bedroom sublet at 309 West 86th Street. 309 West 86th Street is one of several Altera Engineering projects along the historic West End Avenue 347 West End and 915 West End. Altera Engineering was retained to provide engineering design and consulting services for the owners of the penthouse apartment. The project involved a full floor gut renovation. [1]Landmarks Preservation Commission (LPC), Riverside-West End Historic District Extension I Designation Report (LP-2463)

Home / Residential ST KITTS VILLA ARCHITECT . Architecture in Formation PROJECT SIZE . PROJECT COST . SCOPE . Design, approvals and construction administration of mechanical, plumbing, sprinkler, electrical and fire alarm systems. Go ST KITTS VILLA St. Kitts, part of the Federation of St. Kitts and Nevis, is known for luxury villas, often beachfront or hillside, catering to vacationers, investors, and those seeking citizenship-by-investment properties. These villas are typically modern, with amenities like private pools, ocean views, and proximity to attractions like Frigate Bay, Christophe Harbour, or the Royal St. Kitts Golf Course.