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Tower Rescue Training > Tower Fall Protection > Flashcards

Tower Fall Protection Flashcards

1
Q

What are the 3 components of Fall Protection?

A
  1. ) Anchorage
  2. ) Body Support
  3. ) Means of Connection
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2
Q

What is Anchorage?

A

It is vital to be able to identify the best (strongest) points on the tower for attaching your fall protection, such as the shepherd’s hook or the pelican hooks

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3
Q

What is Body Support?

A
  • Every fall protection device must attach to your full body harness. Proper fit and maintenance of your harness is crucial to your safety.
  • You must also maintain sufficient clearance distances for your fall protection to function properly.
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4
Q

What is Points of Connection?

A

Proper use and maintenance of the various straps, slings, hooks etc. that make up fall protection equipment.

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5
Q

How do you identify a safe anchor point?

A
  • One that doesn’t move and will not allow the fall protection equipment to move from that point
  • The best anchorage points on lattice towers is found where the lattice bracing connects to the tower legs.
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6
Q

How much must anchor points be able to support?

A

3,600 lbs as certified by an engineer, if not anchor points capable of supporting 5,000 lbs or more per person

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7
Q

How much are Fall Protection systems designed?

A

To maintain an overload capacity factor of at least 2 for a single person

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8
Q

How should a full body harness fit?

A

Snug but comfortable

  • Two fingers width gap on leg straps
  • Dorsal D-Ring in middle of shoulders
  • Shoulder straps snug and even
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9
Q

How much must the buckle and webbing be able to support?

A

5,000 lbs static support

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10
Q

What is the max free fall distance allowed for a full body harness? And what should impact forces not exceed?

A

6’; 1,800 lbs

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11
Q

What else should you look for when inspecting your full body harness?

A
  • Check for missing parts
  • Check for wear on connection devices
  • Check for evidence of shock loading
  • Check rating of harness is sufficient for user
  • Inspection tag must be up to date and legible
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12
Q

What should you never do with Full Body Harnesses?

A
  • Attach a non-locking snap hook to D-Ring
  • Remove inspection and manufacturer’s labels
  • Alter the harness or other equipment in any way!
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13
Q

What is Free Fall Distance?

A

How far your body can fall from your fall protection anchor point, based on the length of the restraint.

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14
Q

What is Fall Clearance?

A

Height of anchor point needed to avoid contact with a lower level or obstruction.

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15
Q

What is Length of Fall?

A

Measured to where your feet will stop.

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16
Q

How do you calculate Fall Clearance Distance?

A

Length of Lanyard (free fall distance) + Deceleration Distance of Shock Pack + Height of Worker + Safety Factor (for improper fit or miscalculation of distance)

17
Q

List Fall Protection Equipment

A
  • Y-Lanyards with Pelican Hooks
  • Breakaway Loops
  • Redirect Slings
  • Anchor Slings
  • Shepherd’s Hook
  • Safety Rope
  • ASAP Lock
18
Q

What do you look for when inspecting Y-Lanyards?

A
  • Check lanyard stitching
  • Check pelican hook for spine cracks, warping etc.
  • Tag up to date and legible
  • Carabiner and hook/snap gates open and close without sticking
19
Q

What are Breakaway loops for?

A
  • To be used for storing pelican hooks on belt

- Made to separate during a fall

20
Q

What are redirect slings used for?

A

Prevents a swing of more than 6’ in a fall from horizontal arm. Also used to keep safety rope close to tower for vertical climb.

21
Q

What are redirect slings rated for?

A
  • 500lbs minimum breaking strength

- 350lbs safe working load

22
Q

How do you use Redirect Slings?

A
  • Place a redirect sling every 6’ when working on tower arms
  • Choke or basket connection to the structure
  • Clip personal rope to carabiner
  • Can slide along tower arm (must attach a new sling before removing the old one
  • Not to be used for main anchor point
23
Q

What do you look for when inspecting Redirect Slings?

A
  • Check the stitching for separation or other damages
  • Check for smooth opening/closing of carabiners
  • Verify all rating tags are up to date and legible
24
Q

What is an Anchor Sling?

A

Provides an anchor point for a safety rope at the highest point of ascent on the tower

25
Q

What are the ratings of an Anchor Sling?

A
  • 3’ Kevlar Strap
  • 5,000 lb rating (Choked)
  • 3,600 lb gate carabiner
26
Q

How do you use and Anchor Sling?

A
  • Main anchor point for work area
  • Padding required underneath
  • Attach a personal rope via carabiner
  • Only one person per anchor
27
Q

What do yo look for when inspecting an Anchor Sling?

A
  • Verify D-Ring integrity
  • Ensure that the carabiner opens/closes without sticking
  • Check Stitching integrity
28
Q

What are the rating of the Shepherd’s Hook?

A
  • Hook 5,000 lbs

- 3,600 lb Gate Carabiner

29
Q

How do you use Shepherd’s Hook?

A
  • Vertical Climbing (first up/last down)
  • Attach lead rope to ASAP lock on eternal D-Ring
  • NEVER hook one single piece of steel
  • When repositioning, MUST BELT OFF
30
Q

What do you look for when inspecting the Shepherd’s Hook?

A
  • Hook - No cracks, hole at base is not elongated, hinge teeth not broken/cracked
  • Extendo Stick - Teeth not damaged, bolt threads in good condition, make sure locks (button type) are lined up when stick is at full extension
  • Lead Rope Carabiner - Check triple action opening/operation
  • Lead Rope - Should be soft and pliable, with no fraying or other damage. Check the integrity of the rubber coating on both end splices, check the integrity of the weight bag, and verify that inspection tags are up to date and legible
31
Q

What is the rating of the Safety Rope?

A

5,000 lbs

32
Q

How do you use the Safety Rope?

A
  • First lineman up the tower anchors the rope end at the desired height.
  • Following lineman use their ASAP locks on the safety rope while climbing
33
Q

What do you look for when inspecting Safety Rope?

A
  • Ensure tags are up to date

- Rope should be soft and pliable, with no visible fraying or other damage

34
Q

What are the ratings of the ASAP Lock?

A
  • The lock mechanism itself is rated 220 lbs, but with the shock pack, the unit as a whole is rated at 350 lbs
  • 10 year lifespan (from manufacturer date)
35
Q

How do you use the ASAP Lock?

A
  • Permanently attached to Shock Pack which attaches to the sternal or dorsal D-Ring
  • Can be locked on top if needed
  • Ensure indicator arrow is going upwards
36
Q

What do you look for when inspecting the ASAP Lock?

A
  • Stitching in good condition
  • Tags up to date
  • Carabiner opens/closes without sticking
  • Bracket attaching shockpack to lock has no dark spots by pins, stretching, or cracks
  • Lock opens, safeties (black tags) engage and keep locks from opening
  • Lifespan - 10 years from date of manufacture

Tower Rescue Training (2 decks)

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