BVI

Question 1

What is the aim of BVI’s?

Answer 1

Identify defects that could affect track safety if not treated before next inspection.

Question 2

How are ALL BVI’s carried out?

2

1bns

Answer 2

1. On foot (unless approval use of vehicles has been approved by RAM.
2. In daylight (unless approved by RAM)
   AND
3. Prefferably under traffic

🦶🌞🚦

Question 3

What is the process of approval for use of vehicles in visual track inspection?

2

1bns

Answer 3

1. TME completes TEF, submit to RAM
2. Diagrams and work planning systems created explaining inspection method and length
   AND
3. If vehicle is used in poor lighting, then rquirements of approval for this shall also be met

Question 4

What should a vehicle used in an inspection consist of?

5

Answer 4

1. Approved type 👍
2. Controlled speed during inspection to max. of 10mph🐢
3. Configured so inspector can see 10 sleepers ahead 👀
4. Must be able to carry tools and equipment 🛠
5. Not carry spare wheel on bonnet ☸

Question 5

When will TME’s take a review of use of vehicles?

4

1 bns

Answer 5

1. Adverse no. in intervention limit and immediate action limit faults
2. Increase in broken/deficient fishplates
3. Increase in missing/loose fastenings
4. Increase in faults not picked up by vehicle but by SM
   AND
5. TME and SM inspections provide validation that vehicle inspection is successful

Question 6

Inspections in vehicles must be done so..?

5

1bns

Answer 6

1. All S+C is done on foot
2. 1 in 4 inpections is done on foot
3. Vehicles are stopped when close inspection is needed
4. Double track inspection alternates lines between patrols
5. When possible, inspector sits on 6ft side for best view
   AND
6. Follow rules around inspecting in poor light/darkness for vehicles

Question 7

What is PLPR?

2

Answer 7

1. Plain Line Pattern Recognition.
2. An alt. method of BVI

Question 8

What is S+C DIAMOND?

2

Answer 8

1. Dynamic Inspection and Measurement on Demand
2. Alt. method of BVI for S+C

Question 9

What is process of approval for BVI in darkness?

3

1bns

Answer 9

1. TME completes TEF and submits to RAM for approval
2. Diagrams and work planning systems created explaining inspection method and length
3. A assessment is carried out by TME and approved by RAM
   AND
4. If a vehicle is used for inspection, then requirements for this approval must also be met

Question 10

What does the assessment w/in the process of approval conclude?

2

Answer 10

1. Identify limits of inspection and features to be observed
2. The method for inspecting or mitigating features that cannot be observed

Question 11

What will be done w/ BVI’s in the dark to ensure consistent compliance to min. inspection freq.?

1bns

Answer 11

Track access for them will be included w/in a cyclical posession plan.
BUT
Short term possesions aren’t permitted

Question 12

How often is a review of the inspection in darkness arrangements if there are no issues?

Answer 12

Annually

Question 13

When will a review of inspection in dark arrangements needed to be done sooner?

Answer 13

1. Adverse trend in no. of interventions limit + immediate action limit faults
2. Increase in no. of loose /missing fastenings
3. Increase in broken/cracked fishplates
4. Faults haven’t been detected by vehicle but by SM inspection
   AND
5. TME and SM inspections provide validation that vehicle inspection is successful

Question 14

When will a track be inspected individually in darkness?

Answer 14

When lighting provided is as close to daylight conditions as possible

Question 15

What do inspection diagrams provide?

Answer 15

Diagram record of scheduled track inspection in lengths in a TME area

Question 16

What are uniquely referenced diagrams needed for?

2

Answer 16

1. BVI’s
2. Any scheduled themed inspection that provide BVI alt. (e.g.PLPR) (diagram is part of method statement for carrying out inspection)

Question 17

What is used to create inspection diagram?

Answer 17

TEF

Question 18

When should a inspection diagram be referenced?

Answer 18

For work order of each track patrol.

Question 19

What are 3 things should a inspection diagram include?

Answer 19

1. Drawing of layout (including other lines + landmarks)
2. Description of inspection (e.g BVI)
3. Adjacent tracks included in inspection and ones not included in patrol
4. Startand finish mileage of patrol
5. Route and direction followed by patroller
6. Track cat.
7. Freq. of patrol
8. Unique identifier of patrol
9. Ref. to linked patrol
10. Engineers Line Reference (ELR)
11. GEOGIS track ID/name
12. All S+C, including all point no. for each point end
13. Permanent special features w/in patrol length (e.g. tunnels, longitudinal timber systems, level crossings, platforms)
14. A note for special instructions
15. Boxes for TME and SM to approve diagram
16. Date of issue + ref. no. for version control

Question 20

When are two tracks able to be observed from one platform and when are they not?

Answer 20

Two tracks can be observed from one platform if they’re seperated by 6ft, if any higher then the second track must be observed from another platform.

Question 21

Where should top and line be measured from on platform?

Answer 21

At each end of platform.

Question 22

When should inspection of track from platform be carried out?

Answer 22

At freq. appropriate to risk

Question 23

Where should BVI’s be reported and when will it be signed by SM?

Answer 23

On TEF and within 3 days before successful inspection.

Question 24

What will SM do when reviewing BVI?

Answer 24

Determine/prioritise actions needed, inputting in work bank.

Question 25

What should a risk assessment of inspecting track on platforms should consider?

Answer 25

Curvature, track construction, freq. of track geometry recording + condition.

Question 26

When will minor maintenance activities (e.g. tightening bolts, lubrication, replacement of loose/missing fastenings) be done in reference to inspections? | bns

Answer 26

During an inspection. Flangeways and switch obstructions are cleared.

Question 27

What should be done after an inspection that minor maintenance work was carried out on?

Answer 27

Marked, recorded in TEF and entered in the work bank as completed work.

Question 28

Where is a seperate designed inspection permitted?

Answer 28

Where there's limited access to infrastructure.

Question 29

# What does a designed inspection cover?

Answer 29

Track Geometry,track components and line side.

Question 30

Are design inspections and those done from the four foot in daylight?

Answer 30

Yes.

Question 31

What will be produced and supported by the RAM and approved by Pro Head of Track?

Answer 31

Assurance Case

Question 32

What is a themed inspection?

Answer 32

When a BVI/SM inspecxtion focus on a particular aspect or component.