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Why Every MEP Engineer Needs The Mechanical and Electrical Equipment for Buildings Book
1. The Industry’s Go‑To Authority for Over 80 Years Mechanical and Electrical Equipment for Buildings has stood as the definitive...

Built Engineers
Aug 27, 20252 min read


Split‑System Air Conditioning Units in NYC
With increasingly hot summers and stricter energy codes, split-system air conditioning units in NYC have become an ideal solution for...

Built Engineers
Aug 8, 20252 min read


What’s New in the NYC LPC Permit Guidebook 2025: Key Updates Every Property Owner and Professional Should Know
The New York City Landmarks Preservation Commission (LPC) released the long-anticipated 2025 edition of its Permit Guidebook, marking the first major update since 2019. This new edition brings several important changes aimed at streamlining the application process, expanding staff-level review authority, and encouraging sustainable improvements to landmarked properties. If you’re a property owner, architect, contractor, or preservation consultant working on designated landmar

Built Engineers
Jul 2, 20253 min read


Fire Alarm Systems in NYC Residential Buildings
Understanding Fire Alarm System Requirements Fire alarm systems in NYC residential buildings are mandated based on occupancy classification, building height, number of dwelling units, and means of egress considerations. The applicable codes include the NYC Building Code (BC) and Fire Code (FC). Fire alarm systems can be broadly categorized into two types: manual and automatic systems. Each serves distinct functions within a building’s life safety strategy. A manual fire alarm

Built Engineers
Jun 25, 20254 min read


FDNY Permit Account Annual Fees
If you've recently received a billing statement from the FDNY showing a charge for a permit account fee, you're not alone—and you’re...

Built Engineers
Jun 20, 20253 min read


Lighting Upgrade Requirements for Local Law 88
Local Law 88 requires large NYC buildings to upgrade interior lighting and install electrical sub-meters in non-residential spaces. While...

Built Engineers
Jun 11, 20252 min read


Completing a Gas Piping Project in NYC: Requirements for Permit Signoff and DOB Closeout
Gas piping projects in New York City involve a series of critical regulatory steps that must be met before a project can be signed off...

Built Engineers
Jun 5, 20254 min read


Emission Controls for Existing Underfired Charbroilers: A Guide to NYC DEP Compliance
Underfired charbroilers are common fixtures in restaurants across New York City, but they’re also major sources of fine particulate...

Built Engineers
May 28, 20255 min read


Understanding FDNY Violations, Summonses, and Invoices
Many building owners are surprised to receive an FDNY invoice for a permit account, especially related to refrigerating systems. In most cases, these invoices are linked to annual FDNY operational permits for HVAC equipment. They are not the result of a code violation. However, if the required permit has lapsed or if supporting documentation is missing, enforcement actions may follow. Understanding FDNY Invoices Receiving an FDNY invoice can be a shock. Many owners might feel

Built Engineers
May 22, 20253 min read


Kitchen Range Hoods: Essential for Air Quality and Safety
Maintaining a safe and healthy environment in the kitchen is a priority. A well-chosen kitchen range hood is vital for this goal. It not only improves air quality but also enhances fire safety and adheres to local building codes. Understanding the parameters of kitchen range hoods can help you make informed decisions. Understanding the Function of a Kitchen Range Hood A kitchen range hood—also known as a vent hood or exhaust hood—removes airborne contaminants generated during

Built Engineers
May 15, 20253 min read


How Restaurants Can Upgrade HVAC and Ventilation Systems to Improve Indoor Air Quality for Events Like New York Restaurant Week
As the summer season approaches, many restaurants see an uptick in traffic as special promotions and deals attract large crowds....

Built Engineers
May 7, 20255 min read


AI and Data Centers: Strategic MEP Systems for Scalable Infrastructure
When Microsoft released its latest earnings report, most of the attention focused on AI, Azure, and its aggressive cloud expansion. But...

Built Engineers
May 1, 20254 min read


NYC Regulatory Roundup: What You Need to Know from the Latest Building Code and Regulatory Changes (April 2025)
New York City continues to evolve its regulatory landscape, particularly in building safety, sustainability, outdoor dining, and sidewalk...

Built Engineers
Apr 25, 20253 min read


HVAC Leak Detection, Refrigeration Systems & Regulatory Requirements
Proper design, installation, and maintenance of HVAC and refrigeration systems are critical not only for comfort and process cooling but...

Built Engineers
Apr 16, 20253 min read


Understanding NYC Special Inspections
In New York City, special inspections are a crucial component of ensuring building safety and compliance with the city's building code.

Built Engineers
Apr 9, 20255 min read


NYC Boiler Inspection Violation: RCNY 103-01 & 103-05
Boiler inspections are a critical part of property compliance in New York City. Property owners must adhere to specific regulations...

Built Engineers
Mar 26, 20253 min read


Water Heater Temperature Settings: Safety, Efficiency, and Regulatory Considerations
Setting the correct water heater temperature is a crucial aspect of building design and maintenance, impacting both safety and energy...

Built Engineers
Mar 11, 20253 min read


The Future of Leak Detection: Advanced Technologies for Commercial and Residential Applications
Water leaks can cause significant damage to buildings, leading to costly repairs and potential health hazards from mold growth. Whether...

Built Engineers
Mar 5, 20254 min read


Navigating Local Law 97 Compliance: May 1, 2025, Deadline Approaches
Ensure your building meets NYC Local Law 97 requirements before the May 1, 2025, deadline. Avoid costly fines with expert LL97 compliance co

Built Engineers
Feb 27, 20252 min read


Occupancy Sensors in Buildings: Function, Code Requirements, and Benefits
Introduction: What Are Occupancy Sensors? Occupancy sensors are smart devices that detect when a space is occupied or vacant and...

Built Engineers
Feb 26, 20254 min read
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