Transcript Anatomy - Colt Blog - Colt International

Colt International Ltd
Anatomy of a Control system
Colt CPD Technical Seminar
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Anatomy of a Control System
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Private Company founded in 1931

I J O’Hea OBE (1897 - 1984)

Current Group Turnover £156 million

Manufacturing plants in the UK, Holland,
Saudi Arabia, China and Singapore
I J O’Hea
- Founder
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Current UK Business Markets
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Smoke Control
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Solar Shading
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Natural Ventilation
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Louvre
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Environmental Comfort
Control (HVAC)
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Maintenance & Service
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Residential common corridors
Standard
Factories Brise Soliel louvres
Fire Fighting Shaft Systems
Fixed
and movable Fins
Schools
SHEVS – Shopping Centres, Atria, Warehouses, Factories, etc
Fixed and movable Glass Louvres
Healthcare
Smoke Curtains
Single bank screening louvre
Sliding and rotating systems
Offices
Mechanical
Fire CurtainsExtract
Single bank performance louvre
Photovoltaic
systems
Power
Stations
Mechanical
air input
Pressurisation
Double and Triple bank high
Energy from Waste
Heating
and cooling
Custodial
performance
louvre
Routine planned maintenance
Evaporative
Car Parks cooling
24 hour emergency call out
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Anatomy of a Control System
Anatomy
• Brains – decision making control panel
• Eyes/ears – Sensors and detectors
• Central nervous system – cable network
• Cardiovascular System – Power supplies
• Muscles – Power switching panels (MCCs)
Minimise single points of failure
Protect critical functions
Provide early warning and contingency planning
Defined failure modes
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Anatomy of a Control System
Controls:
Should be Application Specific – fire alarm systems are not always appropriate as
life safety control systems
Should be designed with resilience, backup and reliability
Not BMS, BAS or HVAC/process control systems
• Open/Closed Protocol?
• Only operate on first activation (subsequent signals are locked out)
• Key enabled Firefighters override
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Anatomy of a Control System
Brains - Decision making system
OPV Panel
• Controls the whole system
• Makes decisions based on a
programmed cause and effect
• Displays the status of the system
• Allows the system to be overridden
• prEN12101-9
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Anatomy of a Control System
230Vac Supply
Expandable modular system to suit the needs of the project
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Anatomy of a Control System
OPV Control System
• Bespoke/unique design for smoke control - the system design is tailored
specifically to this application
•
Configurable failsafe operation of the system – continues to operate in its
last known start on loss of comms
• Configurable failsafe operation of individual vents and dampers, should the
control panel, or the network connection from the panel, fail.
• Watchdog timers in all nodes (including sensors and control panels), to
detect malfunctions or loss of data.
• Error detection and correction on all data links.
• Programmable CAE, with full boolean logic, allows for complex control
algorithms and interactions, far more so than a fire alarm system.
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Anatomy of a Control System
OPV Control System
• Allows devices within a zone to be in different states, according to
device type and CAE.
• Allows for active closed as well as active open states (fire alarm
systems typically only have active and standby states)
• 8 level priority system provides comprehensive prioritization of control
• Multiple thresholds per sensor allows various control states according
to circumstances.
• Provides non-fire operation of vents and dampers, for day-to-day
ventilation and air control.
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Anatomy of a Control System
Sensors and detectors
Any Apollo addressable device can sit on the
network:
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Smoke Detectors
Heat Detectors
Manual Call Points
Override Switches
I/O devices - allow switching of up to 3
24Vdc or 230Vac items and 3 inputs
• Pressure Sensors
• Temperature Sensors
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Anatomy of a Control System
Cable Network
Comms and power networks must be protected. Should be installed with
metal clips to maintain installation in a fire.
Fire rated cabling to Category 3 of BS 8519 for Life Safety Systems.
Tested under fire conditions for:
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Heat
Water jet
Impact
3 Phase Power Cables should be classed as F120
Comms/230Vac/24Vdc Cables should be PH120 +
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Anatomy of a Control System
Power Supplies
BS 8519
Primary and Secondary sources
Automatic Transfer Switch (ATS)
Diverse Routes
Fire rated enclosures
Battery back up Panels
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Anatomy of a Control System
Power Switching Panels – Motor Control Panels
Used for switching high powered 3 phase fans
No specific standard on construction
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Anatomy of a Control System
• Phase failure relays
• Battery back up circuit
protection
• Primary and standby
supplies
• Primary and standby
Inverters
• Current monitoring of
fans
• Tri-rated cabling
• Fault Detection
• Form 2 as standard
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Anatomy of a Control System
External Weather protected panel
• GRP Enclosure
• Drip protection overhang
• Not IP rated
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Anatomy of a Control System
Form 4 – fully compartmented panel
• Each section can be
isolated independently
• Very high performance
standard
• Client specification driven
– not a standard
requirement
• Very high cost
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Anatomy of a Control System
Typical Schematic
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Anatomy of a Control System
Typical Schematic
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Anatomy of a Control System
Cause and Effect
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Anatomy of a Control System
Cause and Effect
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Anatomy of a Control System
Testing and maintenance
• Smoke control is a life safety system, covered by the
RRO. Testing and maintenance is covered by BS 9999
Annex V
• Regular testing – weekly
• Three monthly full test
• Annual inspection and maintenance by a competent
person
BS 9991
BS 9999
SCA Guide
BS 7346-8
Documentation
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Anatomy of a Control System
Service
“A tailored maintenance regime to ensure optimum product/system
performance while ensuring legislative obligations are met”
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Programmed preventative maintenance
- Design implications for accessibility
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Non-routine maintenance/plant replacement
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Continued certified performance
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Commissioning and maintenance of
smoke control systems
Design
Installation
Equipment/Controls
Commissioning
Maintenance
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Pressurisation
Systems
Ventilation In Car
Parks– Performnce testing
Q&A Session…
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