Do you know that sprinkler systems can be failed because of corrosion?
Corrosion can cause serious damage to your sprinkler system over time. 🔥
It is the gradual destruction of a metal due to chemical reactions with its environment, such as water, oxygen, and salts.
When corrosion occurs in your sprinkler system, it can cause the pipes to become clogged, leak, or break, leading to costly repairs.
In order to prevent corrosion from causing damage, regular inspections and maintenance are necessary.
In this file, you will learn the following:
✔ Discuss the problems corrosion causes in fire sprinkler systems.
✔ Identify the causes of corrosion.
✔ Take an in-depth look at the current state of corrosion technology.
✔ Evaluate the economic impact that corrosion has on fire sprinkler systems.
To get this file for free, you can find it on this link:
https://linkedin.com/company/urcoursez
#firefighting
#sprinkler
#corrision
#urcoursez
#mechanical
#mep
#hvac
#plumbing
#electrical
#bms
#mrzidan
#engalaxy
Corrosion can cause serious damage to your sprinkler system over time. 🔥
It is the gradual destruction of a metal due to chemical reactions with its environment, such as water, oxygen, and salts.
When corrosion occurs in your sprinkler system, it can cause the pipes to become clogged, leak, or break, leading to costly repairs.
In order to prevent corrosion from causing damage, regular inspections and maintenance are necessary.
In this file, you will learn the following:
✔ Discuss the problems corrosion causes in fire sprinkler systems.
✔ Identify the causes of corrosion.
✔ Take an in-depth look at the current state of corrosion technology.
✔ Evaluate the economic impact that corrosion has on fire sprinkler systems.
To get this file for free, you can find it on this link:
https://linkedin.com/company/urcoursez
#firefighting
#sprinkler
#corrision
#urcoursez
#mechanical
#mep
#hvac
#plumbing
#electrical
#bms
#mrzidan
#engalaxy
Have you heard about our engineering blog?
We have created a space to share our engineering knowledge in the MEP with the world.
We cover topics such as Installation guides, best practices, and more.
Our blog is full of useful resources for engineers and tech enthusiasts alike.
Here are some of the topics we discuss on our blog:
- How a diesel generator works?
- Understanding Revit MEP User Interface.
- Overview of BMS field devices in projects.
- Types of circuit breakers.
- Differential Pressure Switch in BMS Systems.
- Everything you need to know about electrical cables.
- BMS Modules and their types.
- Most Common MEP Equipment in projects.
- Which CCTV system is best for you?
- What is the AHU and its purpose?
- How to install Cable Tray On-Site step by step.
- 10 best insulation testers
- Your Easy Guide for the water supply installation in Toilets.
- Sequence of Operation of Air Handling Unit.
- Solder Free Tube Connections.
- Most common types of plumbing valves.
- How to order the cab
We have created a space to share our engineering knowledge in the MEP with the world.
We cover topics such as Installation guides, best practices, and more.
Our blog is full of useful resources for engineers and tech enthusiasts alike.
Here are some of the topics we discuss on our blog:
- How a diesel generator works?
- Understanding Revit MEP User Interface.
- Overview of BMS field devices in projects.
- Types of circuit breakers.
- Differential Pressure Switch in BMS Systems.
- Everything you need to know about electrical cables.
- BMS Modules and their types.
- Most Common MEP Equipment in projects.
- Which CCTV system is best for you?
- What is the AHU and its purpose?
- How to install Cable Tray On-Site step by step.
- 10 best insulation testers
- Your Easy Guide for the water supply installation in Toilets.
- Sequence of Operation of Air Handling Unit.
- Solder Free Tube Connections.
- Most common types of plumbing valves.
- How to order the cab
Relay in BMS Systems - Read it For Free
A relay plays an important role in controlling and monitoring the various components of a building management system.
It acts as a switch that transmits signals from one component to another.
With a relay, building maintenance staff can easily monitor and control HVAC, lighting, and security systems from a central location.
However, the relay in building management systems is not a one-size-fits-all solution. Different relays may be required depending on the type of building and its unique needs.
In this blog post, we will delve deeper into the role of relays in building management systems.
You can read this post for free from this link:
https://engalaxy.com/blog
Make sure to follow me to be updated with all my upcoming posts.
#bms
#electrical
#mechanical
#ICT
#building_management_system
#relay
#relays
#hvac
#ac
#plumbing
#firefighting
#mep
#construction
#engineering
#urocursez
#engalaxy
#mrzidan
A relay plays an important role in controlling and monitoring the various components of a building management system.
It acts as a switch that transmits signals from one component to another.
With a relay, building maintenance staff can easily monitor and control HVAC, lighting, and security systems from a central location.
However, the relay in building management systems is not a one-size-fits-all solution. Different relays may be required depending on the type of building and its unique needs.
In this blog post, we will delve deeper into the role of relays in building management systems.
You can read this post for free from this link:
https://engalaxy.com/blog
Make sure to follow me to be updated with all my upcoming posts.
#bms
#electrical
#mechanical
#ICT
#building_management_system
#relay
#relays
#hvac
#ac
#plumbing
#firefighting
#mep
#construction
#engineering
#urocursez
#engalaxy
#mrzidan
What is the difference between Model & Family in Revit?
Model is the overall project which consists of walls, slabs, columns, etc., for the architectural and structural projects.
Also model consists of ducts, pipes, cable trays, mechanical equipment, etc., for their MEP project.
While Family is a component of the overall project, for example, the table is a family, and the fan coil unit is a family.
Have you checked our Free Revit MEP Lecture? If not, you can get it for free from the next link.
#revit
#bim
#mep
#construction
#mechanical
#electrical
#urcoursez
#engalaxy
#mrzidan
#coordination
Model is the overall project which consists of walls, slabs, columns, etc., for the architectural and structural projects.
Also model consists of ducts, pipes, cable trays, mechanical equipment, etc., for their MEP project.
While Family is a component of the overall project, for example, the table is a family, and the fan coil unit is a family.
Have you checked our Free Revit MEP Lecture? If not, you can get it for free from the next link.
#revit
#bim
#mep
#construction
#mechanical
#electrical
#urcoursez
#engalaxy
#mrzidan
#coordination
FCU Hookup and its Valves
FCU hookup, or fan coil unit hookup, is essential to HVAC systems in commercial and residential buildings.
It involves the connection of a fan coil unit to the building's water supply, which allows for the circulation of hot or cold water to maintain a comfortable ambient temperature.
Valves play a crucial role in the FCU hookup process, controlling the flow and temperature of the water as it circulates through the unit.
So, we released a new blog post that will delve into the different types of valves used in FCU hookups and how it affects the performance of the HVAC system.
You can read this post for free from this link. 👇
https://engalaxy.com/blog
If you like the post, please like, comment, and share it.
#mechanical
#hvac
#firefighting
#plumbing
#electrical
#bms
#ict
#mep
#construction
#engalaxy
#urcoursez
#mrzidan
FCU hookup, or fan coil unit hookup, is essential to HVAC systems in commercial and residential buildings.
It involves the connection of a fan coil unit to the building's water supply, which allows for the circulation of hot or cold water to maintain a comfortable ambient temperature.
Valves play a crucial role in the FCU hookup process, controlling the flow and temperature of the water as it circulates through the unit.
So, we released a new blog post that will delve into the different types of valves used in FCU hookups and how it affects the performance of the HVAC system.
You can read this post for free from this link. 👇
https://engalaxy.com/blog
If you like the post, please like, comment, and share it.
#mechanical
#hvac
#firefighting
#plumbing
#electrical
#bms
#ict
#mep
#construction
#engalaxy
#urcoursez
#mrzidan
Motor Control Center Handbook - Free Download
Motor control centers, or MCCs for short, are essential in the automation and control of industrial processes.
Providing the means to both distribute and control electrical power to motors, the MCC serves as a centralized hub for managing complex electrical systems.
As such, the MCC plays a pivotal role in the smooth functioning of industrial operations, and any malfunction or failure can result in significant downtime and revenue loss.
With the high stakes involved in managing industrial processes, it is crucial to have a comprehensive understanding of the MCC and its workings.
So you can download this awesome handbook created by Siemens for free from this link:
https://engalaxy.com/downloads
#mcc
#motorcontrolcenter
#motor
#control
#electrical
#electricalengineering
#free
#mrzidan
#bms
#hvac
#firefighting
#mep
#construction
#engalaxy
#urcoursez
#share
Motor control centers, or MCCs for short, are essential in the automation and control of industrial processes.
Providing the means to both distribute and control electrical power to motors, the MCC serves as a centralized hub for managing complex electrical systems.
As such, the MCC plays a pivotal role in the smooth functioning of industrial operations, and any malfunction or failure can result in significant downtime and revenue loss.
With the high stakes involved in managing industrial processes, it is crucial to have a comprehensive understanding of the MCC and its workings.
So you can download this awesome handbook created by Siemens for free from this link:
https://engalaxy.com/downloads
#mcc
#motorcontrolcenter
#motor
#control
#electrical
#electricalengineering
#free
#mrzidan
#bms
#hvac
#firefighting
#mep
#construction
#engalaxy
#urcoursez
#share
Importance of Connecting the BMS To the HVAC System
Connecting your HVAC system to the BMS gives you better control of energy usage in your building.
This is because the BMS ( Building Management System ) can monitor and measure the energy usage of the HVAC system, allowing you to make any necessary adjustments to reduce energy consumption.
This is beneficial to both the environment and your wallet as it will help you save money on energy costs.
Connecting your HVAC system to the BMS also helps improve the safety and comfort of your building.
The BMS can monitor the temperatures in your building, allowing you to make any necessary adjustments to ensure the temperatures remain comfortable and safe for occupants.
The automatic control by BMS can regulate HVAC system output in response to varying indoor and outdoor conditions. This maintains general comfort conditions in office areas and provides narrow temperature and humidity limits where required in production areas for product quality.
Automatic
Connecting your HVAC system to the BMS gives you better control of energy usage in your building.
This is because the BMS ( Building Management System ) can monitor and measure the energy usage of the HVAC system, allowing you to make any necessary adjustments to reduce energy consumption.
This is beneficial to both the environment and your wallet as it will help you save money on energy costs.
Connecting your HVAC system to the BMS also helps improve the safety and comfort of your building.
The BMS can monitor the temperatures in your building, allowing you to make any necessary adjustments to ensure the temperatures remain comfortable and safe for occupants.
The automatic control by BMS can regulate HVAC system output in response to varying indoor and outdoor conditions. This maintains general comfort conditions in office areas and provides narrow temperature and humidity limits where required in production areas for product quality.
Automatic
Differential Pressure Switch on Pre-Filter & Final Filter of AHU
DPS = Differential Pressure Switch
If you like the photo, like, comment and share.
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#HVAC
#AHU
#Fans
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#electrical
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#mrzidan
DPS = Differential Pressure Switch
If you like the photo, like, comment and share.
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#HVAC
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GIS RMU Components
* GIS = Gas Insulated Switchgear
* RMU = Ring Main Unit
* The gas type used in GIS is SF6
* The gas is secured in a stainless steel tank and contains the following:
- The busbar of the panel.
- All live switching components
* The number of compartments in RMU depends on no. of In/Out Cells
If you like the post, please like, comment, and share.
Follow us for more new technical information in the MEP field.
You can read Our Engineering Blog Posts for Free from this link:
https://engalaxy.com/blog
You can read MEP Method Statements for Free from this link:
https://engalaxy.com/method-statements
Watch Practical MEP Lectures from this link:
https://link.urcoursez.com/freemep
#rmu
#ringmainunit
#switchgear
#electrical
#mediumvoltage
#electricalengineering
#construction
#mep
#fm200
#firefighting
#hvac
#bms
#plumnbing
#mrzidan
#urcoursez
#engalaxy
* GIS = Gas Insulated Switchgear
* RMU = Ring Main Unit
* The gas type used in GIS is SF6
* The gas is secured in a stainless steel tank and contains the following:
- The busbar of the panel.
- All live switching components
* The number of compartments in RMU depends on no. of In/Out Cells
If you like the post, please like, comment, and share.
Follow us for more new technical information in the MEP field.
You can read Our Engineering Blog Posts for Free from this link:
https://engalaxy.com/blog
You can read MEP Method Statements for Free from this link:
https://engalaxy.com/method-statements
Watch Practical MEP Lectures from this link:
https://link.urcoursez.com/freemep
#rmu
#ringmainunit
#switchgear
#electrical
#mediumvoltage
#electricalengineering
#construction
#mep
#fm200
#firefighting
#hvac
#bms
#plumnbing
#mrzidan
#urcoursez
#engalaxy
RMU Types as per the Medium Surrounding the Busbar
As per the medium surrounding the Busbar of RMU, we have 3 types:
* Gas Insulated RMU
* Air Insulated RMU
* Oil Insulated RMU
You can read more on our engineering blog ( engalaxy )
Also, we encourage you to look at our free mep lectures from the link on the photo.
#rmu
#ringmainunit
#electrical
#electricalengineering
#mep
#construction
#engineering
#lowcurrent
#ict
#mrzidan
#urcoursez
#engalaxy
#bms
As per the medium surrounding the Busbar of RMU, we have 3 types:
* Gas Insulated RMU
* Air Insulated RMU
* Oil Insulated RMU
You can read more on our engineering blog ( engalaxy )
Also, we encourage you to look at our free mep lectures from the link on the photo.
#rmu
#ringmainunit
#electrical
#electricalengineering
#mep
#construction
#engineering
#lowcurrent
#ict
#mrzidan
#urcoursez
#engalaxy
#bms
Firewall in Network Systems
You can read more on our engineering blog ( engalaxy )
Also, we encourage you to look at our free mep lectures from the link on the photo.
#data
#structuredcabling
#ict
#electrical
#mechanical
#mep
#construction
#urcoursez
#engalaxy
#mrzidan
#share
You can read more on our engineering blog ( engalaxy )
Also, we encourage you to look at our free mep lectures from the link on the photo.
#data
#structuredcabling
#ict
#electrical
#mechanical
#mep
#construction
#urcoursez
#engalaxy
#mrzidan
#share
🎯 Overview of the BMS Field Devices in Projects
✔️ Organizations increasingly turn to Building Management Systems (BMS) to streamline their facility management processes as building technology advances.
✔️ A BMS is a centralized computer system that monitors and controls all the mechanical and electrical systems in a building.
✔️ Field devices are responsible for measuring temperature, humidity, lighting levels, and other critical parameters that affect the building's performance.
✔️ They also act as the BMS's eyes and ears, gathering data about the building's performance and sending it back to the centralized control system.
🔥 This blog post will provide an overview of some of the different types of field devices commonly used in a BMS.
You can read this blog post for free from this link👇
https://engalaxy.com/blog
#bms
#control
#field_device
#dps
#actuator
#differential_pressure_switch
#hvac
#mep
#ict
#lowcurrent
#electricalengineering
#urcoursez
#engalaxy
#mrzidan
✔️ Organizations increasingly turn to Building Management Systems (BMS) to streamline their facility management processes as building technology advances.
✔️ A BMS is a centralized computer system that monitors and controls all the mechanical and electrical systems in a building.
✔️ Field devices are responsible for measuring temperature, humidity, lighting levels, and other critical parameters that affect the building's performance.
✔️ They also act as the BMS's eyes and ears, gathering data about the building's performance and sending it back to the centralized control system.
🔥 This blog post will provide an overview of some of the different types of field devices commonly used in a BMS.
You can read this blog post for free from this link👇
https://engalaxy.com/blog
#bms
#control
#field_device
#dps
#actuator
#differential_pressure_switch
#hvac
#mep
#ict
#lowcurrent
#electricalengineering
#urcoursez
#engalaxy
#mrzidan
Monitor Modules (MM) in Fire Alarm Systems
Monitor modules (MM) are essential components of an addressable fire alarm system.
We consider it as an input module.
They allow non-addressable devices, like sprinkler flow switches, Tamper Switches, or loops of standard heat detectors, to be monitored and connected with the main fire alarm control panel (F A C P)
The attached photo shows the common applications of the monitor modules.
Make sure to check our Engineering Blog Posts (Engalaxy)
Also, you can check our free mini mep course in English
#fire
#fire_alarm
#firefighting
#flowswitch
#tamperswitch
#modules
#monitormodule
#controlmodule
#acs
#bms
#urcoursez
#engalaxy
#mrzidan
#share
Monitor modules (MM) are essential components of an addressable fire alarm system.
We consider it as an input module.
They allow non-addressable devices, like sprinkler flow switches, Tamper Switches, or loops of standard heat detectors, to be monitored and connected with the main fire alarm control panel (F A C P)
The attached photo shows the common applications of the monitor modules.
Make sure to check our Engineering Blog Posts (Engalaxy)
Also, you can check our free mini mep course in English
#fire
#fire_alarm
#firefighting
#flowswitch
#tamperswitch
#modules
#monitormodule
#controlmodule
#acs
#bms
#urcoursez
#engalaxy
#mrzidan
#share
Duct Smoke Detector
The Duct smoke detector detects smoke and combustion products in air moving through HVAC ducts.
This device prevents air handling systems' smoke recirculation in areas.
It can be connected to the fire alarm system or the BMS system.
Free MEP Practical Lectures:
https://link.urcoursez.com/freemep
Free MEP Engineering Blog:
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#fire
#alarm
#bms
#firefighting
#ahu
#hvac
#electrical
#mechanical
#ict
#plumbing
#construction
#urcoursez
#engalaxy
#mrzidan
#MEP
The Duct smoke detector detects smoke and combustion products in air moving through HVAC ducts.
This device prevents air handling systems' smoke recirculation in areas.
It can be connected to the fire alarm system or the BMS system.
Free MEP Practical Lectures:
https://link.urcoursez.com/freemep
Free MEP Engineering Blog:
https://engalaxy.com/blog
#fire
#alarm
#bms
#firefighting
#ahu
#hvac
#electrical
#mechanical
#ict
#plumbing
#construction
#urcoursez
#engalaxy
#mrzidan
#MEP
What is the contactor?
A contactor is an electromechanical switch whose function is to make or break the connection between the power supply and the load.
It consists of Coil, Spring, Steel Core, Static Contacts, and Dynamic Contacts.
It is electrically controlled by applying a voltage to its coil and is usually powered much lower than the switched circuit.
It is most commonly used with electric motors and lighting applications.
Enroll now in our Free MEP Mini-Course, check the link in the first comment, or the link in the photo, or go to our website (Urcoursez)
Also, you can read for free our Engineering Blog (Engalaxy)
#contactor
#electrical
#control
#control_circuits
#hvac
#mep
#mechanical
#lighting
#motor
#urcoursez
#engalaxy
#mrzidan
#bms
A contactor is an electromechanical switch whose function is to make or break the connection between the power supply and the load.
It consists of Coil, Spring, Steel Core, Static Contacts, and Dynamic Contacts.
It is electrically controlled by applying a voltage to its coil and is usually powered much lower than the switched circuit.
It is most commonly used with electric motors and lighting applications.
Enroll now in our Free MEP Mini-Course, check the link in the first comment, or the link in the photo, or go to our website (Urcoursez)
Also, you can read for free our Engineering Blog (Engalaxy)
#contactor
#electrical
#control
#control_circuits
#hvac
#mep
#mechanical
#lighting
#motor
#urcoursez
#engalaxy
#mrzidan
#bms
Circuit Breaker Types in Low Voltage Systems
We have three different types of circuit breakers as follows:
1- Miniature Circuit Breaker or MCB:
Usually, we find it in the final electrical distribution boards; it can be one pole, two poles, three poles, or four poles.
Also, we can use it as a protection circuit breaker in the control panels.
2- Molded Case Circuit Breakers or MCB:
Usually, it will be as the main breaker in the sub-main panels or the breaker of the branch circuits in the main panels.
It has a higher short circuit capacity than MCB.
3- Air Circuit Breaker or ACB:
Usually, it will be the main breaker in the main panels or MDB.
It has higher short-circuit capacity than MCB & MCCB
Enroll now in our free mini MEP Course from the link on the photo:
Check our Engineering Blog Posts (Engalaxy)
#electrical
#breaker
#MCB
#MCCB
#ACB
#Construction
#MEP
#Coordination
#Design
#engineering
#mrzidan
#urcoursez
#engalay
#bms
#hvac
#plumbing
#firefighting
We have three different types of circuit breakers as follows:
1- Miniature Circuit Breaker or MCB:
Usually, we find it in the final electrical distribution boards; it can be one pole, two poles, three poles, or four poles.
Also, we can use it as a protection circuit breaker in the control panels.
2- Molded Case Circuit Breakers or MCB:
Usually, it will be as the main breaker in the sub-main panels or the breaker of the branch circuits in the main panels.
It has a higher short circuit capacity than MCB.
3- Air Circuit Breaker or ACB:
Usually, it will be the main breaker in the main panels or MDB.
It has higher short-circuit capacity than MCB & MCCB
Enroll now in our free mini MEP Course from the link on the photo:
Check our Engineering Blog Posts (Engalaxy)
#electrical
#breaker
#MCB
#MCCB
#ACB
#Construction
#MEP
#Coordination
#Design
#engineering
#mrzidan
#urcoursez
#engalay
#bms
#hvac
#plumbing
#firefighting
Shunt Trip Coil
A shunt trip coil is an optional accessory in a circuit breaker that mechanically trips the breaker when power is applied to the shunt trip terminals.
The power for the shunt trip does not come from within the breaker, so it must be supplied from an external source.
Its most common application is when we need to control switching off the power of a panel by a feedback signal from the BMS system.
Enroll now in our free mini MEP Course from the link on the photo:
Check our Engineering Blog Posts (Engalaxy)
#shunt_trip_coil
#panels
#electrical
#breaker
#MCB
#MCCB
#ACB
#Construction
#MEP
#Coordination
#Design
#engineering
#mrzidan
#urcoursez
#engalay
#bms
#hvac
#plumbing
#firefighting
A shunt trip coil is an optional accessory in a circuit breaker that mechanically trips the breaker when power is applied to the shunt trip terminals.
The power for the shunt trip does not come from within the breaker, so it must be supplied from an external source.
Its most common application is when we need to control switching off the power of a panel by a feedback signal from the BMS system.
Enroll now in our free mini MEP Course from the link on the photo:
Check our Engineering Blog Posts (Engalaxy)
#shunt_trip_coil
#panels
#electrical
#breaker
#MCB
#MCCB
#ACB
#Construction
#MEP
#Coordination
#Design
#engineering
#mrzidan
#urcoursez
#engalay
#bms
#hvac
#plumbing
#firefighting
In today's highly competitive job market, professional development has become essential for success.
As the world continues to evolve, it is vital for engineers to stay up-to-date with new technology and software.
One such software that has gained immense popularity in the construction industry is Revit.
Revit is known as a Building Information Modeling (BIM) software; it's being used extensively by architects, engineers, and construction professionals.
You can continue reading the full post on our engineering Blog ( Engalaxy )
https://engalaxy.com/blog
#revit
#mep
#construction
#electrical
#mechanical
#bms
#hvac
#plumbing
#firefighting
#mrzidan
#engalaxy
#urcoursez
As the world continues to evolve, it is vital for engineers to stay up-to-date with new technology and software.
One such software that has gained immense popularity in the construction industry is Revit.
Revit is known as a Building Information Modeling (BIM) software; it's being used extensively by architects, engineers, and construction professionals.
You can continue reading the full post on our engineering Blog ( Engalaxy )
https://engalaxy.com/blog
#revit
#mep
#construction
#electrical
#mechanical
#bms
#hvac
#plumbing
#firefighting
#mrzidan
#engalaxy
#urcoursez
Grease Interceptor 👌
A grease interceptor is an in-ground or suspended tank that is designated to limit the amount of FOG (fat oil and grease) and solids entering the sanitary sewer system.
Interceptors hold FOG until they can be removed and disposed of by recycling or rendering companies(Manual cleaning).
Interceptors are more effective when the grease traps are inspected weekly and periodically.
Enroll now in our free mini MEP Course from the link on the photo:
Check our Engineering Blog Posts (Engalaxy)
#drainage
#plumbing
#grease
#interceptor
#Grease_Interceptor
#mechanical
#electrical
#bms
#hvac
#engineer
#design
#construction
#shop_drawing
#coordination
#mep
A grease interceptor is an in-ground or suspended tank that is designated to limit the amount of FOG (fat oil and grease) and solids entering the sanitary sewer system.
Interceptors hold FOG until they can be removed and disposed of by recycling or rendering companies(Manual cleaning).
Interceptors are more effective when the grease traps are inspected weekly and periodically.
Enroll now in our free mini MEP Course from the link on the photo:
Check our Engineering Blog Posts (Engalaxy)
#drainage
#plumbing
#grease
#interceptor
#Grease_Interceptor
#mechanical
#electrical
#bms
#hvac
#engineer
#design
#construction
#shop_drawing
#coordination
#mep
Wrong Connection of Drainage Piping in Toilets
Don't forget to check our free MEP mini course
Also, you can check our engineering blog (Engalaxy)
#plumbing
#drainage
#mechanical
#hvac
#mep
#construction
#electrical
#lowcurent
#bms
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#plumbing
#drainage
#mechanical
#hvac
#mep
#construction
#electrical
#lowcurent
#bms