MEP Service in Galewood Chicago, IL.

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Looking for a top rated MEP Chicago? Your best bet is to call is NY Engineers. Not only for MEP Firms in Chicago but also Construction Engineering and Sprinkler Design Engineering near Galewood Chicago. Contact us at (+1) (312) 767.6877

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Property owners throughout Glen Cove, New York have come to depend on NY Engineers for a wide range of engineering services ranging from Sprinkler Engineering to Energy Modeling. For this reason building owners in Galewood Chicago will tell you that if you are searching for a dependable MEP Engineering firm in Galewood Chicago, Illinois you need to consider NY Engineers.

It is very possible, you have walked into any specific type of building and saw the outcomes of MEP Engineering. To put it simply, MEP concentrates in the mechanical, electrical and plumbing facets of engineering. In essence, the name already gives rise to the most prevalent and correct assumption of what is MEP. This article may go into some details of what is MEP Engineering.

As far as the mechanical part is involved, both for residential and commercial engineering, this relates to anything that moves. Furthermore its involves using complex and simple machines along with other mechanical mechanisms to execute certain tasks. Some common mechanical engineering tasks which can be noticed on a day to day bacis are kitchen or bath exhausts, HVAC units, cooling and heating air systems, heating & cooling equipment and systems that handle enhancing the energy efficiency.

The electrical aspect of construction is centered on the components, functions, electrical safety, and more importantly, the wiring for any building. Engineers with this department go to great lengths to ensure the layout of your building are designed to deliver ample power to each individual component in a safe manner where each of the electrical codes are met. Some commonplace electrical engineering jobs can be obtained from the lighting design, modifying the voltage and distributing the power to every component inside the building which takes a supply.

As far as plumbing, there is a wide array of plumbing factors which make up the final style of any building. Plumbing engineering goes deeper than just toilets, faucets, and sinks, and contains several behind the scene appliances. These being the drainage line and sewage and also the buildings local water supply and just how it flows.

As we conclude this article we have just checked out what is MEP Engineering. MEP Engineering is managed inside the construction industry. And, helps with completing the simply ignored technical areas of any building.

Hiring an MEP Engineering Firm in Galewood Chicago is Essential for Large Construction Projects

Hiring an MEP engineering firm in Lithuanian Plaza Chicago, Illinois, may have everything to do with the achievements of your construction project. These experts might help offset the price of making such a hiring decision in terms of energy management alone. When you find yourself referring to huge commercial structures, energy upkeep is an important topic of discussion. It’s time to learn various other great causes of hiring MEP company in Little Village Chicago, IL.

Engineers have a great deal to do with the structural integrity of any building. If you can well imagine, it means the unseen is extreamly essential. Design not simply deals in looks but the foundation of a building including its components. That is certainly yet another solid good reason that hiring an MEP engineering company will be useful to your project.

Think of all the pipes and plumbing. Consider the heating and cooling systems and the importance of getting all of its mechanics inside the precise places. Energy conservation was mentioned, however energy competence can be another vital term to mention. Energy efficiency concerns your HVAC system, plus it plays a huge role in energy saving overall.

Think of your building’s shell. Consider installing home security systems and the safety and security measures put in place along the entire structure. With everything else talked about thus far, it’s safe to say that a great many areas of building construction can be either ignored or underestimated without MEP pros at the job.

Now with this info you are going to be looking to find the best MEP engineering firm in the industry, right? It is very clear that the best engineers have to be involved in the massive construction of commercial structures. Customized will be the correct term to use to illustrate how these pros will adapt a construction project to meet the needs of your own operations. There’s only so much you can save this page if you would like more info on the MEP Engineering services in Galewood Chicago, IL by NY Engineers you should take a look at our Galewood Chicago Mechanical Engineering blog.

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An MEP Engineers’ Guide to Air Dampers

MEP Mechanical

An air damper is a device that uses valves or plates to stop or regulate the flow of air within a duct, chimney, variable-air-volume (VAV) box, air-handling unit or other similar pieces of equipment. Dampers are also used to stop airflow into unoccupied or unused rooms where air conditioning is not required. In addition, MEP engineers install dampers as protection measures against smoke or fire.

An air damper is a complex mechanism with many moving elements. Their main components are the blades, which adjust their position to control airflow. In addition, dampers include frames, linkages, axles, bearings, seals, blade pins, actuating motors, flanging, jackshafts, and sleeves, among other components.

Types of Air Dampers

Based on their construction, air dampers can be classified into parallel blade and opposed blade dampers. Each configuration has unique performance features and is intended for different applications.

1) Parallel Blade Dampers

In this type of air damper, blades rotate in the same direction, parallel to one another. The parallel blade configuration is typically used when the damper operates in two positions: open or closed.

These dampers redirect air flow along their first few degrees of rotation, as they move from fully open to closed, and therefore control is achieved along the first 20-30% of movement.  Rather than modulating air streams, these dampers change their direction, and that is the main reason why they are preferred for open-close operation or fixed flow control.

Parallel blade dampers are typically used by MEP engineers in applications where the damper represents a major portion of the overall system pressure loss. They should not be used upstream of critical components due to their uneven airflow.

2) Opposed Blade Dampers

In this type of air damper, blades rotate in opposite directions to one another, modulating airflow. These air dampers are mostly used when the system requires airflow control rather than open-close operation, but they can also be used for on-off service.

Opposed blade dampers are typically used in the following applications:

  1. When the damper doesn’t represent a major portion of the overall system pressure loss.
  2. Systems that are required to maintain an even airflow downstream from the damper.
  3. Ducted terminals.

Classification of Dampers by Control Method and Application

Air dampers can also be classified based on the control method they deploy and their intended application. Based on their control method, dampers can be either automatic or manual:

  • Automatic dampers are similar to automatic control valves in terms of functioning.
  • Manual dampers are adjusted manually depending on the required airflow, as implied by their name.

Dampers can also be classified based on their application, and the following are some of the main types:

  • Balancing dampers (volume dampers)
  • Face and bypass dampers
  • Fire dampers
  • Smoke dampers
  • Combined fire and smoke dampers
  • Gravity dampers (backdraft or barometric)
  • Mixing dampers
  • Multi-zone dampers
  • Round dampers
  • VAV boxes (variable-air-volume)

Note how dampers are not only used for air balancing in ventilation systems, but also for safety in fire protection applications.

Why Are MEP Engineers Concerned About Dampers?

Air dampers are an important element of MEP engineering design since their use is subject to code requirements. They should also be designed to minimize energy losses, through the prevention of heat exchange across them when in the closed position, all while maintaining the required pressure conditions in different spaces.

Air dampers are subject to the following codes and standards:

  1. National Fire Protection Association (NFPA) standards:
    1. NFPA 90A Standard for the Installation of Air-Conditioning and Ventilating Systems
    2. NFPA 92A Standard for Smoke-Control Systems Utilizing Barriers and Pressure Differences
    3. NFPA 101 Life Safety Code
  2. Underwriters Laboratories (UL) standards:
    1. UL 555 Standard for Fire Dampers
    2. UL 555S Standard for Smoke Dampers
    3. UL 555C Standard for Ceiling Dampers

The main locations where air dampers are required to meet code are the following: stair enclosures, elevator shafts, common corridors, mechanical rooms, fire-rated walls, exterior building walls, shaft enclosures, horizontal assemblies, and duct and transfer openings.

Air Dampers in Fire Protection Applications

The three main types of dampers used in fire protection applications are fire dampers, smoke dampers, and combined fire/smoke dampers. This section provides an overview of each type and its applications.

Fire Dampers

Fire dampers interrupt airflow through the duct automatically, restricting the passage of flames. To accomplish their function, these dampers are installed in ducts that cross fire-rated assemblies or fire-rated walls. They can be installed in both horizontal and vertical ductwork and can be of both curtain type and multi-blade type.

A fire damper has the following components:

  1. Sleeve
  2. Curtain blade
  3. Break-away joints
  4. Fusible link
  5. Access door to inspect the fire damper

All fire dampers are installed in the open position, with a fusible link. When the temperature in the ductwork exceeds a specified value, the fusible link melts and the damper gets shut off, either by gravity or by a spring. To guarantee they accomplish their function, fire dampers need to pass various tests.

Fire damper selection is based on three main factors: fire resistance rating, temperature, and operating range. Fire rating depends on the time span for which a damper will withstand the heat associated with a fire. For walls, partitions, and barriers with fire resistance rating of less than 3 hours, 1.5-hour fire dampers are used. For fire barriers rated for 3 hours or more, 3-hour fire dampers are used. This procedure ensures building code compliance, which requires that the fire resistance rating is maintained across the full area of walls, partitions, and floors.

The exceptions for the use of fire dampers are parking garages, kitchen exhaust ductwork, and dryer exhaust ductwork.

Smoke Dampers

Smoke dampers prevent smoke from spreading in HVAC systems that are designed to shut down automatically in case of fire, and they only have two positions: open and closed. These dampers are installed in a slotted duct section – they are installed whenever a duct penetrates a smoke partition or smoke barrier inside the building. They can be applied in passive smoke control systems, or as part of an engineered smoke control solution.

In passive systems, smoke dampers close and prevent the circulation of air and smoke through ducts or ventilation openings that cross a smoke barrier. On the other hand, in engineered smoke control systems, the spread of smoke is controlled by the building HVAC system or by dedicated fans that create pressure differences. Smoke dampers may be controlled by heat sensors, smoke sensors, fire alarms, or any other method that meets the design intent.

A smoke damper has the following components:

  1. Sleeve
  2. Smoke blades (parallel)
  3. Break-away joints
  4. Duct-mounted smoke detector
  5. Damper actuator
  6. Access door

It is important to decide which ratings are required for UL Listed fire dampers.

  • The SD-1320 and SD-1330 smoke dampers are UL/cUL leakage rated dampers, listed under the latest UL 555S standard.
  • SD-1620 smoke dampers meet UL Class II. Leakage is less than 20 cfm per square foot at 4 inch w.g. and at 350°F (177°C).
  • SD-1630 smoke dampers meet UL Class I. Leakage is less than 8 cfm per square foot at 4 inch w.g. and at 350°F (177°C).

Fire and Smoke Damper (Combined)

As implied by its name, this type of damper is a combination of a fire damper and a smoke damper, and it is installed in ducts that cross partitions rated as both fire and smoke barriers. This type of damper must be qualified under both UL555 and UL555S.

Selection of a combined fire and smoke damper depends upon 4 factors: fire resistance rating, leakage rating, temperature and operational ratings.

Combined fire and smoke damper applications include walls, floors, partitions required by the local building code.

For walls, partitions, and barriers with fire resistance rating of less than 3 hours, 1.5-hour fire/smoke dampers are used. For fire barriers rated for 3 hours or more, 3-hour fire/smoke dampers are used. Designers are usually suggested to pick a very low leakage category.

Conclusion

Air dampers have a wide range of applications, ranging from airflow modulation in normal operating conditions to providing a reliable barrier against smoke or fire during emergencies. However, code compliance is an important aspect to consider regardless of the application, so working with qualified MEP engineers is highly recommended.

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(MEP) Engineering Service in Galewood Chicago

MEP Galewood Chicago! If you re looking for a reliable MEP Firms in Chicago? Your best bet is to reach out to is NY Engineers. Not only for MEP Firms in Chicago but also Construction Engineering and Sprinkler Design Engineering in or near Galewood Chicago. Contact us at 312 767-6877 Quite a few property owners throughout West Seneca, NY have come to depend on New York Engineers for a wide range [...]

2018-09-08T15:20:57+00:00