Advanced Trench

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Slide 1: 

Special Operations ADVANCED TRENCH RESCUE

Advanced Trench Rescue : 

Advanced Trench Rescue Training Day 1 Ensure To Sign In & Out Everyday Fill Out Lunch List & Collect Funds Rescue School Phone Number: (212) 360-4490 Call If You Are Going To Be Late, Have A Family Emergency Or Can Not Attend Class

Slide 3: 

Advanced Trench Rescue New York State Office Of Fire Prevention & Control

Prerequisites : 

Prerequisites Tools Trench Concepts Basic Trench Collapse

Course Objectives : 

Course Objectives At The End Of This Course, The Student Shall Demonstrate An Understanding Of “L” Trenches “T” Trenches Deep Trenches Heavy Load Lift Back - Up Whalers One Sided Trench Or Excavation

“L” Shaped Trenches : 

“L” Shaped Trenches

“L” Panel Sequence : 

“L” Panel Sequence 1st = 2nd = 3rd = 4th = 5th = 6th = “L” TRENCH

“L” Trench Operations : 

1st Set Of Panels 4’ Back From Inside Corner Safety Zone For Rescuer “L” Trench Operations

“L” Trench Operations : 

“L” Trench Operations When Placing Top Strut Allow RoomFor The Whaler 2’ Down From Lip

Notice:3rd Panel Has Been Added : 

Notice:3rd Panel Has Been Added “L” Trench Operations

“L” Trench Operations : 

“L” Trench Operations 3 Sets Of Panels Are In Place

7th Panel Added Prior To Whaler Being Installed : 

7th Panel Added Prior To Whaler Being Installed “L” Trench Operations

“L” Trench Operations : 

“L” Trench Operations Add Scabs To Rest Whaler On 2’ Down From Lip

“L” Trench Operations : 

Add Whaler “L” Trench Operations

“L” Trench Operations : 

If Not Using A Panel Place A Whaler Then Install 2”x12 Planks “L” Trench Operations

“L” Trench Operations : 

Use “Wedges” Between Planks & Whalers When Needed “L” Trench Operations

“L” Trench Operations : 

Placement Of Whalers “L” Trench Operations

“L” Trench Operations : 

“L” Trench Operations Top & Bottom Whalers Must Be Used On Each Side Scabs Must Be Put In Place Prior To Installing The Whalers 5 nail pattern Use Wedges As Needed

“L” Trench Operations : 

2 ft Cleat Must Be Added 5 Nail Pattern “L” Trench Operations

“L” Trench Operations : 

“L” Trench Operations

“L” Trench Operations : 

Corner Support “L” Trench Operations

“L” Trench Operations : 

Corner Support “L” Trench Operations Extra 2x10 Plank Must Be Added Prior To Placement Of Strut

BREAK : 

BREAK 10 Minute Break Fax Lunch List

“T” Trenches : 

“T” Trenches “T” Trenches Unique Hazard

“T” Trench Operations : 

“T” Trench Operations

“T” Trenches : 

“T” Trenches

“T” Trench Panel Sequence : 

1st = 2nd = 3rd = 4th = 5th = 5th = 6th = 6th = “T” Trench Panel Sequence

“T” Trench Operations : 

“T” Trench Operations Measure Back 4’ For 1st Set Of Panels Safe Area

“T” Trench Operations : 

“T” Trench Operations Placement Of Panels Use 4 Rescuers Do Not Rub Lip Of Trench

“T” Trench Operations : 

“T” Trench Operations Install First Set Of Panels 4 ft Before Intersection

“T” Trench Operations : 

Make Sure Panels Do Not Pass End Of Trench Into Intersection “T” Trench Operations

“T” Trench Operations : 

“T” Trench Operations Keep Top Strut Low Not To Impede Placement Of Whaler

“T” Trench Operations : 

“T” Trench Operations Use Flexibility Do Not Compromise Safety

“T” Trench Operations : 

“T” Trench Operations Keep Corners Square With Top Of “T” Trench

“T” Trench Operations : 

“Bridge” The Trench Must Be Strong Enough To Hold Rescuers & Tools Double 2 x 12 At Least 2 ft Of Plank On Both Sides Of Trench “T” Trench Operations

“T” Trench Operations : 

Corners Keep Tight “T” Trench Operations

“T” Trench Operations : 

Back Fill Add Dirt Behind Panels For Stability “T” Trench Operations

“T” Trench Operations : 

“T” Trench Operations Place a 2x12(10) Behind The Panels To Make The Corner Tight Then Back Fill Behind The Panels

“T” Trench Operations : 

“T” Trench Operations Whalers Are Placed On Top & Bottom Top Of “T” Side Only

“T” Trench Operations : 

“T” Trench Operations Fill Gaps Behind Whalers Use Wedges

“T” Trench Operations : 

“T” Trench Operations Back Fill Panels Only When Panels Are In Place Use Caution

“T” Trench Operations : 

“T” Trench Operations Whaler Behind Panels

“T” Trench Operations : 

“T” Trench Operations Use Air Knife Make Shelf For Whaler To Rest Upon

“T” Trench Operations : 

“T” Trench Operations Place Whaler

“T” Trench Operations : 

“T” Trench Operations Secure Whaler

Slide 46: 

“T” Trench Operations

“T” Trench Operations : 

“T” Trench Operations

Slide 48: 

“T” Trench Operations

“T” Trench Operations : 

“T” Trench Operations Place Middle Panel Last

Slide 50: 

“T” Trench Operations

“T” Trench Operations : 

“T” Trench Operations Continue To Monitor Atmosphere Haz Mat Resources Must Be On Scene

“T” Trench Operations : 

Place Last Set Of Panels “T” Trench Operations

“T” Trench Operations : 

“T” Trench Operations Keep Struts As Level As Possible

BREAK : 

BREAK 10 Minute Break

Deep Trenches : 

Deep Trenches Deep Trenches Over 8 Feet In Depth

Deep Trenches : 

Deep Trenches Use Ropes To Add First Set Of Panels

Deep Trenches : 

Deep Trenches Place First Strut

Deep Trenches : 

Deep Trenches Place Second Strut On Vertical Panel Next Place Horizontal Panels On Each Side Vertical & Horizontal Panels Must Be In Place & Secured Prior To Entry This Allows A Safe Area For The Rescuer To Operate Only Then Can The Rescuer Enter The Trench

Deep Trenches : 

Deep Trenches

Deep Trenches : 

Deep Trenches Unsafe Practice

Slide 61: 

Deep Trenches

Slide 62: 

Deep Trenches

Slide 63: 

Deep Trenches

Slide 64: 

Deep Trenches

Slide 65: 

Deep Trenches

Slide 66: 

Deep Trenches

Slide 67: 

Heavy Lift Load

Slide 68: 

Back-Up Whalers

Slide 69: 

One Sided Trench

Haz Mat Resources : 

Haz Mat Resources Monitor Trench Atmospheric Conditions Ventilate

BREAK : 

BREAK 10 Minute Break

Heavy Lifts : 

Heavy Lifts Action Verses Reaction Of Action USE CAUTION

Heavy Lifts : 

Heavy Lifts Lifts May Be Necessary To Free Victims

Slide 74: 

Lift Only What You Need To Free Victim To Maneuver Panel Use Caution Not To Displace Struts Heavy Lifts

Slide 75: 

Air Bags Heavy Lifts

Heavy Lift : 

Heavy Lift

Heavy Lifts : 

Heavy Lifts Grip Hoist

Heavy Lifts : 

Heavy Lifts Come-A-Long

Slide 79: 

Use Cribbing To Build Up Bridge Take Slack Out Of System Heavy Lifts

Slide 80: 

Use Of Cribbing Heavy Lifts

BREAK : 

BREAK 10 Minute Break

One Sided Trench : 

One Sided Trench 10ft High Excavation Shores Placed At 4 ft Off Center Rakers Are 4x4 W /30 Degree Slope Wall Plate Is Trough Made From 4x4 W / 2x6 Each Side Or 4x6 Cleats are 2x4x24” – 17-16d Use U-Channel Bases W/ 2-2x6x18 18” Square Footings Need Typical Perpendicular Horizontal & 2 levels Of X-bracing

One Sided Trench : 

One Sided Trench Style 1 Split Sole

One Sided Trench : 

One Sided Trench Style 2 Solid Sole Raker Shore Type

One Sided Trench : 

One Sided Trench Basics Of One Sided Trench The Pressures That Soils May Exert Vary Considerable The Worst Soil Is W/ Water Flowing Out Of It Exerts 3 Times The Pressure Of The Better Soils (Sandy Clay, Hard Pan) Chose A Number At About 70% Of The Max. The Raker Shores Need To Be Closer Together 4 Ft Max Sheeting Between Shored Also Requires Close Spacing

One Sided Trench : 

One Sided Trench Basics Of A One Sided Trench Forces On The Wall Plate May Be Large Space Rakers Approx, 4 Ft Apart Vertically Wall Plates & Soles Are Highly Loaded Need To Be Stronger (Use 4x6 Or Trough) Anchorage To The Ground At Base Of Excavation May Be The Most Critical Issue Not Possible For Large Excavations Lateral Bracing Is Still Very Important

Gin Pole : 

Gin Pole Used To Provide High Point Patient Removal & Other Light Lifts

Gin Pole : 

Gin Pole

Slide 89: 

Gin Pole

Pickets : 

Pickets Rigged To Build Substantial Object

Pickets : 

Pickets Rigged To Provide Substantial Object

FDNY Resources : 

FDNY Resources Compressor Truck

FDNY Resources : 

FDNY Resources Compressor Truck Provides Air For Air Knife Operations Has An Assortment Of Pneumatic Tools

Slide 95: 

Con Edison Resources

Con Edison Resources : 

Con Edison Resources Con Edison Vacuum Truck Removes Dirt & Debris From Trench/ Excavation Site Several Available Per Borough Utilities

Con Edison Resources : 

Con Edison Resources Con Ed Vacuum Truck

Slide 98: 

Con Edison Resources

The End : 

The End Have A Safe Drive Home

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