WorksheetsLXR Unit 6 Safety Precautions/Procedures
Total questions: 15
Worksheet time: 11mins
Safety Precautions
What are safety precautions when removing/repairing or replacing flange components?
Isolate the work area
Isolate and vent the piping system
Support the lines and check for wear
Safety Precautions
What are safety precautions when removing/repairing or replacing flange components?
Sellect and use the correct tools, work from a safe position, move components spools correctly
Support the lines and check for strain
Support the lines and check for wear
Lockout
What are the 2 main reasons that you would use lockout procedures?
Safety/Security
Accountibility/Control of plant processes
Acting responsibilly, Adhering to all procedures
Strains on pipes
What are the 2 main causes of strain on pipes?
Unequal joint gapping
Side slippage
Suspended
Unbolting procedures
Which of the following are procedures for unbolting flanged connections?
Identify the correct line
Work permits has been issued
Support the lines and check for wear
Lines are properly supported
Unbolting procedures
Which of the following are procedures for unbolting flanged connections?
Lines fully isolated
Lines are vented/drained
Support the lines and check for wear
Using the correct wrenches for the nuts
Bolting procedures
Which of the following are procedures for bolting flanged connections?
Check flange/gasket faces free from grease,dirt,rust welding spatter and damage
Stud bolts are undamaged
Replacement bolts are of the correct type, length,diameter and thread
Check the bolts and nuts for reuse
Bolting procedures
Which of the following are procedures for bolting flanged connections?
Check flange/gasket finish free from grease,dirt,rust welding spatter and damage
Place gasket between the flanges, bolts wil locate it in the correct position
Fit bolts in the lower half of the flange, screw the nuts on hand tight
Set up flange faces with the bolt holes of both flanges aligned
Bolting procedures
Which of the following are procedures for bolting flanged connections?
Tighten all bolts in the correct sequence
Remove and wedges
Use tapered shank podger to ease the flanges into the correct alignment
Mae sure you have identified the correct line
Procedure installing insulation
Which of the following are procedures for installing wraparound insulation?
Slip preformed metal pipe over and around the insulation
Lap the next piece at least 25mm onto first piece, keep overlap downwards to shed the water
Secure the lagging sheets with 2 securing bands, one at the lap and one on the center
Secure the banding sheets with 2 securing bands, one at the lap and one on the center
Procedure installing insulation
Which of the following are procedures for installing pre-lagged insulation?
Use a joining strap to hold the sections against each other
Use a sealing compound to provide further waterproofing
Tighten the strap with a banding strap wrench
Tighten the strap with a bending strap wrench
Hot Bolting procedure
Which of the following are procedures for hot bolting?
Remove/Replace 1 bolt at the time
Inspect the bolts/nuts for wear and damage
Replace all damaged,corroded bolts and nuts
If nuts/bolts are reusable, clean and grease before reinstalling
If nuts/bolts are not reusable, clean and grease before reinstalling
Hot Bolting procedure
Which of the following are procedures for hot bolting?
Follow the hot bolting pattern
Replace bolts sequentially(1 after the other) around the flange
Replace bolt to ensure it is correctly tightened before loosening the next bolt
If nuts/bolts are not reusable, clean and grease before reinstalling
Safety precautions when hot bolting
Which of the following are safety precautions for hot bolting?
Obtain a work permit
Ensure area is clearly marked and isolated from traffic(roped off to stop people walking through)
Replace bolt to ensure it is correctly tightened before loosening the next bolt
Never remove more that 1 bolt at the time
Safety precautions when hot bolting
Which of the following are safety precautions for hot bolting?
Always use the correct wrench size type
Place yourself so that the bolt you loosen is nearest from your body
Place yourself so that the bolt you loosen is farthest from your body
Always remove more that 1 bolt at the time
