SLIDE 1
Types of Vacuum Excavation
- Air Excavation
- Hydro Excavation
VACUUM EXCAVATION Tricks of the Trade Types of Vacuum Excavation - - PowerPoint PPT Presentation
VACUUM EXCAVATION Tricks of the Trade Types of Vacuum Excavation - - PowerPoint PPT Presentation
VACUUM EXCAVATION Tricks of the Trade Types of Vacuum Excavation Air Excavation Hydro Excavation Air Excavation vs. Hydro Excavation ---------------------------------------- ---------------------------------------- Pros Pros
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SLIDE 3
Air Excavation vs. Hydro Excavation
- Pros
- Works well in most soil types
- Low or no utility line damage
- No need for trips back to shop
- Constant supply of air
- Reuse spoils for backfilling
Cons
- Dust
- Poor performance in frozen soil
- Pros
- Very effective in most soil types
- Hot water burners available
Cons
- Capacity limits, refilling often
- Cannot use spoils for backfill
- Possible need for CDL Tanker
Endorsement
SLIDE 4
Locate Utility Lines
Verify EXACT…
- Locations
- Depths
- Sizes
- Condition
- Material
- Fittings
- f underground utilities.
No more “Blind Digs!”
SLIDE 5
Utility Lines Located...
2” Gate Valve
SLIDE 6
Maintenance
Repair and Replace…
- Service Boxes
- Replace all or part of the box
- Service Rods
- Broken Rod
- New Stainless Steel Rod
- Valve Boxes
- Replace all or part of the box
- Valve Nuts
- Replace Rounded or Missing
Nuts
SLIDE 7
Maintenance
SLIDE 8
Cost Comparison
Standard Excavation
4 Hours Average
- 4 Employees
- Crew Truck/Trailer
- Backhoe
- Dump Truck
- Shoring/Shielding
- Fill Materials
- Pavement
- Opening Permit
= $1,000 minimum
Vacuum Excavation
2 Hours Average
- 2-3 Employees
- Crew Truck
- Vacuum Excavator
- 1-Ton
- Valve/Service Tools
- Fill Materials
- Pavement
- Opening Permit
= Around $200
Inside Valve Box
1 Hour Average
- 2-3 Employees
- Crew Truck
- Vacuum Excavator
- Valve/Service Tools
= Around $100
SLIDE 9
Valve Repairs
- ver 12,000 valves in our system
Need for working valves : Efficient shut downs of mains
Currently, there are 243 valves that need to be fixed
Valve Repairs
- Bent box
- Rounded nut
- No nut
- Leaky bonnet
SLIDE 10
Service Box Repairs
- ver 11,000 services in our system
Service Box Repairs
- Bent box, bent rod
- Broken rod
- Curb stop won’t turn
- Can’t turn rod
Need for working service boxes: shut off water for non
payment, winter birds, foreclosures, home repairs, meter replacements
Currently, there are 242 service boxes that need to be fixed
SLIDE 11
OUR FIRST VACUUM 2000 & 2010
SLIDE 12
Different vacuums for different jobs
First Vacuum for repairs 2006 Newest vacuum for repairs 2016-2017
SLIDE 13
SCOUP or the SHOVEL
SLIDE 14
Knuckle “UNIVERSAL” WRENCH
SLIDE 15
SLIDE 16
TOOLS
SLIDE 17
Grinders needed Vertical and HORIZONTAL
SLIDE 18
Solid Li Lightweight Air ir Supply Ali lignment Tools
SLIDE 19
More helpful tools
SLIDE 20
A MUST FOR TREE ROOTS
SLIDE 21
Removing a rod from service box
SLIDE 22
Service Box Repairs
- 4 person crew
- Time: 3 hrs (2 or 3 per day)
- Dig Safe Required
- Trench: 6 by 4 feet
- Average Cost: $931
Vacuum Dig ig
3 person crew Time:1½ to 2 hrs (4 or 5 per day) No Dig Safe Required Trench: 2 by 2 feet Average Cost: $105
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VACUUM JOBS 2014-2017
150 135 167 198 12 22 155 200 15 12 5 4 8 11 8 6 50 100 150 200 250 2014 2015 2016 2017
vac S/B vac V/B dug S/B Dug V/B
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