Railway Procedures - 316 Flashcards Preview

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Flashcards in Railway Procedures - 316 Deck (99):

Who runs the trains and in some cases responsible for the maintenance of stations and sidings (excluding network rail)

Train operating companies (TOCS)


Who is responsible for all issues and equipment relating to both surface and sub surface rail operations?

London Underground ltd (lul)


List the 3 different infraCo's

• SSL - infraCo sub surface lines
• JNP - infraCo jubilee, northern and Piccadilly lines

• BVC - infraCo bakerloo, central and Victoria lines


Which infrastructure manage DLR?

London Underground Ltd


Which infrastructure manages heathrow express link (HEX)

Network rail


Which infrastructure manages 'tramlink'

Runs on road and ex network rail infrastructure


Which infrastructure manages post office railway

Fully automated


List the different types of rolling stock

• battery operated trains
• electric trains (network rail)
• electric trains (lul)
• electric trains (dlr)
• diesel electric multiple units
• diesel electric locomotives
• automatic trains
• trams
• steam trains


What should an incident commander do before committing crews to railway incidents?

Establish and maintain links with the person responsible for train movements in that area


What in particular should be noted on 7(2)d visits to these sites?

• access and out of hours contact names and numbers
• water supplies
• traction current isolation arrangements
• siding or depot control rooms
• hazardous materials
• a contingency plan should be made and relevant info entered on ORD


Who is responsible for the operations and maintenance of the main line track, power supplies and signalling?

Network rail


What is the over-riding priority that the brigade has agreed with the infrastructure and train operators?

Safety of the public, rail staff and fire crews


When can power isolation and train stoppages be requested?

Only when it is essential in order to protect life and property


List 4 serious implications that the isolation of power and stopping of trains other than at station platforms can have

• passengers alighting trains and walking on live tracks
• overcrowding of stations and platforms
• physics and mental distress of passengers on trains in tunnels
• widespread disruption to train services


What can widespread disruption lead to?

Long delays and substantial business loss


What is the brigades duty of care in this instance?

To consider the wider impact on the railway operator and passengers


List the general hazards associated with the railway infrastructure

• access/location
• movement of trains
• speed of trains and air turbulence
• stopping distances
• number of controlling operators
• transportation of hazardous materials
• variety of rolling stock
• electric power supplies
• residual current
• tunnels
• high voltage power cables
• trains bridging 'live' and 'isolated' sections of track
• uneven surfaces and tripping hazards
• points - risk of trapping
• derailed carriages
• possible asbestos in some rolling stock


List some possible risks the general hazards may present

• electrocution
• hit by moving train or dragged towards a moving train by air turbulence
• chemical/biological contamination
• slips, trips and falls
• trapping limbs/ clothing in points


List some hazards that fires in tunnels and sub surface present

• rapid development and spread of dense smoke
• rapid rise of temperature
• undetected fire travel in voids and ducts
• storage of hazardous materials and cylinders
• high voltage electrical equipment
• communications difficulties
• physiological effects of firefighters
• very limited area to work around trains
• long travel distances
• height from track to carriages
• possibility of large numbers of passengers in an unfamiliar environment
• possibility of mobility impaired passengers


List some risk control measures that prioritise the safety of personnel

• consider using safety officers/ sector commanders
• power isolation (unless earthed co duct or may hold residual charge)
• establish the line speed
• trains stopped
• trains run at caution
• avoiding conductor rails
• high vis clothing
• stop, look, listen at all times
• always assume power is live
• use of SCD (short circuiting device)
• PPS (personal protective system)
• use of electrical gloves
• rain and flooding can increase electrification hazard
• stand on dry non-conducting material
• push or pull the casualties with a dry line or pole
• all 3metres between overhead line equipment (OLE) for the rescue of persons
• equipment 1metre from OLE
• use of other procedures i.e BA


What distance should personnel be from overhead line equipment (OLE)?

3 metres for the rescue of live persons


What distance can equipment be from overhead line equipment?

Not closer than 1 metre


Who can use a SCD (short circuiting device)

Only FRU trained personnel in an emergency and in the absence of railway personnel


Where can SCD's be found?

Usually in train cabs and maybe on station premises


When operations are complete should brigade personnel remove the SCD's?

No - under no circumstances


What can an incident commander use to gather information for a DRA

• 7(2)d info
• ORD via MDT
• rail control rooms
• TOPS (total operations processing system)
• RIO (rail incident officer)
• CPS (command planning system)
• brigade control


What is TOPS?

Total operations processing system
Computer based information system which details info on coach, wagon and freight I.d numbers


What information can TOPS cover?

• location
• origination
• destination
• details of contents
• other rail operators info


How is TOPS information accessed by the i.c?

Via brigade control


What message would you send to control for TOPS information?

'Request TOPS information on carriage number ___ at (location)'


What should an i.c consider when carrying out a DRA?

• safe to work on or near track with current left on?
• safe to work on or near track with trains running under caution?
• safe for trains on adjacent lines to run under caution?
• diesel trains should be stopped as unaffected by isolation
• traction current needs to be isolated
• trains need to be stopped
• use any risk control measures?


What does the term 'trains run under caution mean'?

The driver is warned that personnel are on the track and so proceed at a speed allowing them to stop safely if necessary


What is the maximum speed a train 'under caution' can travel at?



Should firefighters be placed at risk if a person needing rescue is in relative safety and no immediate risk?

Not until the appropriate risk control measures are put in place


If crews are to be committed to the track for a rescue, what should the priority message detail?

• location and nature of incident
• if trains need to be stopped
• if trains need to be run at caution
• if traction current isolation required
• the action the i.c is initiating


What additional control measures can be implemented

• brigade lookouts placed on either side of the incident
• where possible maintain line of sight
• suitable emergency evacuation route and time needed to reach it
• minimum personal and equipment sufficient for task
• do not enter any tunnels until confirmed trains are stopped
• crews withdrawn Immediately once operations are complete


In what instances should brigade lookouts be placed?

In an attempt to preserve human life


Who determines the location of brigade lookouts?

The incident commander


What should a brigade lookout do?

• have a hand held radio, acme thunderer whistle and torch
• remain in contact with the safety officer responsible for crews on the track
• position themselves to give crews maximum warning
• inform i.c of location and distance
• do not reposition without informing the i.c
• be aware of automatics train operation
• stand in safe position - 3m from track facing direction of approaching trains
• wear high vis
• warm brigade and train drivers where needed


How would you warn a train driver that personnel are on the track during the day?

Holding both arms straight above head


How would you warn a train driver that personnel are on the track at night?

Wave a bright light violently from side to side in the direction of approaching train


Who can agree the restoration of current isolation?

Only the named officer (brigade) and rail controller who agreed the isolation


In LUL and HEX what is a general indication that current has been isolated?

Tunnel emergency lights will be on


Traction current shut down or isolation means all electrical supplies are also isolated and shut down? True or false?

False - only the track


List 5 facilities that allow communications between brigade and rail personnel or to advise passengers

• head wall telephones - lul
• signal post telephone(spt) - network rail
• overhead line equipment(ole) gantry telephone - network rail
• public address systems - lul/network rail
• leaky feeder systems - lul


What can happen if stood within 3m of an incoming train travelling at speed?

Strong air turbulence can suck you in


How are trackside telephones identified?

Red telephone on a white background with the word 'electrification'


How are signal post telephones marked?

Diagonal black and white stripes


What radio base station are all sub surface stations within lfb area equipped with?

UHF channel 5


Where can you find information relating to the current status of the radio base station?

Lfb station plans box


What are the 3 statuses of the radio base station?

• channel 5 base station defective
• channel 5 base station defective(copy of TSS/communications section test results)
• channel 5 base station in operation


What should the I.c do if, during a 7(2)d visit, the radio communications system coverage deviates from the status indicated?

• inform the SM
• amend status sign in lfb plans box
• inform control ok return to station who will report to procurement department (PD)


What should the contingency plan include?

• 7(2)d visits
• access
• plan boxes
• station control rooms (SCR)
• intervention points (Ip's)
• ventilation systems
• fixed installations
• communications
• traction current supply system
• hazardous materials
• line speeds


In determining an RVP what should be considered?

• crew safety
• access for appliances
• effective communications
• plans boxes
• water supplies


Do all stations have station control rooms (SCR's)?



What are the 3 types of ventilation system?

• mechanical
• natural
• manual override


When can a ventilation system be turned off or re-configured?

After a full risk assessment has been made and full consequences are known


What are the 4 types of fixed installations on station premises?

• automatic fire detection systems
• sprinkler systems
• insert gas systems
• fire mains/hydrants


When attending LUL incidents what should the i.c consider?

• close liaison with responsible member of staff
• committing a reconnaissance team
• use station plans
• use of station control room
• use of secondary access and intervention points
• access water supplies
• use of ventilation systems
• use of communication links, cctv, leaky feeder


At an LUL incident what control measures should be considered?

• automatic sprinklers
• hydrants and hose reels
• smoke extraction
• wet falling mains
• extinguishers
• escalator sprinkler system
• use of intervention points
• use of tunnel smoke control systems
• use of train without passengers for recon
• use of t.i.c


What risk control measures should be considered regarding passenger safety?

• prevent trains stopping at affected stations
• disembark passengers at adjacent stations
• use trains to evacuate areas below incident
• stop trains at other stations


In what instance would you evacuate passengers in a tunnel?

Only as a last resort due to the hazards involved


How can LUL intervention points be identified?

• labelled access doors with 'ip' black letters on white background
• signs at track level showing distance and direction of adjacent stations and normal direction of trains
• signs in tunnels showing location of IP's
• access keys provided in LFB plan boxes at adjacent stations
• IP info obtained through priority message to control


How can a request for traction current isolation and/or trains stopped be made direct to line control?

Using local communications or brigade control


How could you isolate traction current on platform level?

By use of the platform head wall telephone


Where is the platform head wall telephone located?

At the end of the platform in the direction of train travel


How does the platform headwall telephone work?

When the handset is lifted the current is isolated
Emergency lighting should appear in tunnels


How could you isolate traction in a tunnel?

By Twisting 2 copper wires to form a connection


Where are LFB plan boxes found?

In an agreed position at LUL/LFB RVP


What do LFB plan boxes contain?

• 2 sets of station plans
• communications status indicator
• key to adjacent IV points


Do LUL hold keys to LFB plan boxes?



Which key will open an LFB plan box?

Standard FB14


What should be done if the LFB plan box has been forced open due to faulty mechanism?

• ic must hand plans to LUL station supervisor for safe keeping until box is repaired (24hrs)
• revisit to station after 24hrs to check plans returned to box and secured
• if not done inform operational planning division at brigade hq


How is the current status displayed in the station plan box?

Engraved yellow plastic sign


Each station on the jubilee line extension includes the provision of what?

• station control rooms - protected route access
• platform edge doors
• ventilation control systems
• 110v Dc power supply point on stations and in tunnels
• at least 1 dedicated pressurised firefighting staircase and firefighters lift


What do the jubilee line extension station tunnels include?

• ventilation control systems
• firefighting a staircases
• fire mains
• 110v Dc power supplies
• communication systems in running tunnels
With minimal overlap areas
• emergency service walkways


How many of the jubilee line extension stations are sub surface?



What can open platform edge doors in the event of an emergency?

Standard budget key


At what intervals are instantaneous couplings sited in tunnel sections?

Every 60 metres


What size is the falling main at stations and intervention points?



What is the maximum pressure the outlet will flow at?

No more than 4.5 bar


To avoid flooding the tunnel what is in place and at what intervals?

• isolating valves
• 180m intervals


Where does the fire main terminate?

Storeys gate IP shaft


What modes can the fans featured on the JLE be set to?

Supply or extract


Where are the fan systems on the JLE controlled?

Control room at neasden


Maximum speed of dlr?



Safe working distance on dlr?



Where can emergency equipment lockers be found on DLR? How do they look?

Found in each carriage
Marked with green and white sign


What equipment is stowed in the DLR emergency equipment locker?

• 1 'arcus' short circuiting device (SCD)
• 1 passenger detraining ladder
• 1 detraining board


Which jack can be used on the DLR approved jacking points?

20 Ton hydrolite


Which jack can be used on the bogies of a DLR train?

10 or 15 ton hydrolite


Length and weight of a tram when empty?

36.5 tonnes


What is the tramlink power supply

750v dc overhead conductor
Applied to 4x120kw electric motors


What is the maximum lift at any jacking point of a tram?



Can you use airbags to lift an upright tram standing on or off the rails?

Not under any circumstances


What is the power supply on third rail systems? Network rail

Up to 1200v DC


What is the network rail power supply on overhead line equipment?

Up to 25000 v AC


What is the network rail power supply on fourth rail systems?

Up to 750v DC


What are the 3 classifications of incidents when requesting power isolation - network rail

• small fires in permanent way
• fires on multi-track networks
• major incident