by In the United States, because many houses use wooden structure, the decoration of a little careless may cause structural safety problems, so even their own decoration projects, but also need to apply for the corresponding license, unauthorized decoration activities may also lead to fines.
1. Structural changes
Any alterations to the structure of the building require a permit. This includes, but is not limited to:
- Remove or construct load-bearing walls
- Change the floor structure
- Add or subtract rooms
2. Power engineering
If the renovation involves changes to the electrical system, an electrical engineering permit is required and is performed by a licensed electrician. These projects include:
- Install new electrical outlets, switches or light fixtures
- Retrofit circuits or electrical panels
- Install a central air conditioning system
3. Water pipe project
Plumbing work also requires a permit and must be carried out by a licensed plumber. This includes:
- Install or replace water pipes and drains
- Install or retrofit water supply systems
- Add or replace faucets or other plumbing in the bathroom or kitchen
4. Gas engineering
All work involving the gas system must be licensed and carried out by a licensed gas worker. This includes:
- Install or replace gas lines
- Install or replace gas equipment (e.g. stoves, water heaters)
- Check and repair gas leaks
5.heating, ventilation and air conditioning (HVAC) engineering
Works involving HVAC systems also require permits and are carried out by licensed professionals. This includes:
- Install or replace the central air conditioning system
- Install or replace the heating device
- Modified ventilation system
6.Exterior wall and roof works
Permits are also required for works involving alterations to the external structure of the building, including the exterior walls and roof. This includes:
- reroofing
- Change exterior structure or material
- Install new Windows or replace existing ones
7.Large-scale renovation project
Any large-scale renovation project, even if it does not involve structural, gas, electrical or plumbing changes, usually requires a permit. Such works include:
- Whole house renovation
- Remodel the kitchen or bathroom
- Add a room or make a space change
License application process
Submit an application: An application must be submitted to the New York City Department of Buildings (DOB) before beginning any work that requires a permit.
Approval: The Building Bureau will review the submitted plans and applications to ensure that they comply with building codes and safety standards.
Construction: After approval, construction must be carried out by licensed professionals.
Final inspection: After the completion of the project, a final inspection must be arranged by the Building Bureau to ensure that the project complies with all regulations and safety standards.
In New York City, strict compliance with these regulations not only ensures the safety and compliance of renovation projects, but also avoids potential legal and financial risks. If you have any questions or need further information, you can consult directly with the New York City Department of Buildings or a professional architectural consultant.
