COURSE # 343 UNIT 4: ADVANTEX® WASTEWATER

Transcription

COURSE # 343 UNIT 4: ADVANTEX® WASTEWATER TREATMENT SYSTEM
Installation and Inspection of the AdvanTex Treatment System
What you will learn in this lesson
IN THIS LESSON,YOU WILL LEARN...
•
Installation steps for an AdvanTex Treatment System
•
Important inspection points for installation inspection
© ORENCO SYSTEMS®, INC. 10/24/2012 ALL RIGHTS RESERVED
UNIT 4- 1
Installation Steps
1. Determine tank and AdvanTex pod position
2. Excavate site and set tank
3. Install risers and water-test tank
4. Set the AdvanTex pod
5. Install filtrate return and discharge lines
6. Install recirculating splitter valve (RSV) and float
7. Install Biotube® pump package
8. Connect transport line to pod
9. Install passive air vent
10. Install control panel
11. Perform system functional test
12. Perform functional test for VeriComm® control panel
13. Backfill
UNIT 4- 2
Step 1: Determine Tank and Pod Position
•
Is it a Fully-Assembled Package (FAP) or unassembled
system?
•
Decide how to orient the filter pod
• The filter pod often sits on, or immediately adjacent to
the tank
•
Consider the filtrate return line for the best
orientation
AdvanTex AX20N installed in a less than optimum location
UNIT 4- 3
Step 2: Excavate and Set the Tank
•
Determine the required elevation and grade
requirements of the tank and AdvanTex pod before
excavation
• The tank must be set deep enough below the pod to
allow for a minimum 1/4 inch per foot slope from the
outlet of the filter to the inlet of the RSV on the riser.
•
Also, keep in mind that the top of the AdvanTex pod
needs to sit 1 1/2 inches above final grade.
UNIT 4- 4
Tank Specifications
•
All processing tanks must be either:
✔ A two-compartment recirculation (processing) tank, or
✔ A septic tank followed by a recirculation (processing) tank
•
No vertically-aligned circular tanks
•
Must be an Orenco fiberglass reinforced plastic (FRP) tank or a concrete tank
that conforms to an Orenco-approved tank design authorized by an Orenco
Dealer
Must meet the tank specifications of Chapter 73, Section 31
UNIT 4- 5
Why only Orenco FRP or Approved Concrete
• Tanks can crush or break if they are not structurally sound
• Tanks can leak in or out if they are not watertight
Septic tank failure - polyethylene tank
Septic tank failure - concrete tank without adequate reinforcing steel
UNIT 4- 6
High-quality concrete tank and Orenco FRP tank
Quality concrete tank
Quality Orenco FRP tank
UNIT 4- 7
Step 3: Install Risers and Water-test the Tank
•
External splice box (if used) and recirculating splitter valve bracket should be
installed on the riser before the riser is mounted
✔ The Orenco Dealer typically installs these components
External splice box
Recirculating splitter valve
UNIT 4- 8
Step 4: Set the AdvanTex Pod
USING A CONCRETE TANK
•
Prepare bedding for the filter
•
Compact fill if placing the filter on the tank
•
Install anti-flotation flanges onto predrilled fiberglass
tabs on the bottom corners of the filter
Installation of anti-flotation flanges
UNIT 4- 9
What happens when you don’t put the anti-flotation flanges on?
AdvanTex pod floated in a high seasonal water event due
to lack of anti-flotation flanges
UNIT 4- 10
Step 5: Install Filtrate Return & Discharge Lines
•
Slope the filtrate return line at least 1/4” per foot
(minimum 2” drop if less than 4’)
•
Orient the split-flow tee to the slope of the discharge line
•
Connect the return line to one end of the tee
•
Connect the discharge pipe to the other end of the tee
UNIT 4- 11
Pipe Grades
NO !!!!!
Pipe is sloped in the wrong
direction
Filtrate return line sloped in the wrong direction
UNIT 4- 12
Step 6: Install Recirculating Splitter Valve (RSV)
•
Understand how the RSV works
✔ When the RSV float is seated (tank liquid level seats the float)
the filtered effluent discharges
✔ When the RSV float is not seated (tank liquid level drops) in a
Mode 1 configuration, all filtered effluent returns to the
recirculation/processing tank. In a Mode 3 configuration, all filtrate
is returned to the primary compartment of the processing tank. In
Combo Mode, there is a 50/50 split of the effluent between the
primary and the recirculation compartments
•
Determine if bracket requires installation
✔ Some systems are supplied with the bracket pre-installed
•
Note quick disconnect
✔ The quick disconnect must slide easily for removal
and replacement
✔ Ensure that the disconnect bracket is not installed in a way that
prevents removal and replacement
Recirculating splitter valve
UNIT 4- 13
Step 6: Install RSV & Floats, continued:
•
Determine the handle pipe length and install in the top of the RSV body
Determine Float Levels
The top float is normally set equal with
the tank’s inlet invert. The bottom float
should be approximately 4 in.
below the normal low operating level.
For further assistance, use the diagram in the Installation Manual, Orenco
document NIM-ATX-AX-1 (Appendix 3, pages 24 & 25 of the manual) to calculate
stinger length and float levels
UNIT 4- 14
Step 6: Install RSV, continued:
•
Carefully lower RSV body into bracket
•
Push down until it is fully seated
Recirculating splitter valve seated in the bracket
UNIT 4- 15
Optional Step: Install Pump (dosing) Tank or Basin
•
A pump basin or dosing tank is used when dispersal requires pumping
or dosing
✔ Contains pump, flow inducer, splice box, and discharge assembly
AdvanTex Treatment System flowing to a pump basin
Refer to Pump Basin installation
instructions for details. Appendix 4,
pages 26 & 27 of the AdvanTex Installation Manual, Orenco
document NIM-ATX-AX-1.
Pump basin
UNIT 4- 16
Step 7: Install Biotube® Pump Package
•
Can use internal or external splice box
•
Attach external spice box before installing riser
Internal splice box
Note:
The conduit seal is
used with the internal
spice box.
External splice box
For further assistance use the diagram in the AdvanTex Installation Manual, Orenco
document NIM-ATX-AX-1 (pages 13 & 14 of the manual)
UNIT 4- 17
Step 7: Install Biotube® Pump Package, continued:
•
Splice boxes are watertight when installed correctly
External splice box with waterproof wire nuts
Cords secured out of the water and away from the pump
and floats
For Proper installation guidelines, refer to the AdvanTex Installation Manual, Orenco
document NIM-ATX-AX-1. (pages 13 & 14 of the manual)
UNIT 4- 18
Step 7: Install Biotube® Pump Package, continued:
•
•
“Earless” vault rests on the bottom of the tank
Secure the lifting rope to the splice box
Biotube pump package installed
Biotube pump package
UNIT 4- 19
Step 8: Connect the Transport Line to the Pod
• Temporarily disassemble the manifold union so that,
when the pump first comes on during start-up,
debris in the transport line will not be pumped into
the manifold and orifices.
Manifold Union
AdvanTex AX20N pod
UNIT 4- 20
Step 9: Install the Passive Air Vent
• Use a 2-inch diameter vent line if the vent is 20 feet or less
from the pod
• Consider locating the vent near a protective wall or under
shrubbery
• Do not allow “low” points in the vent piping where water can
accumulate and block the air flow
Passive air vent
UNIT 4- 21
Ventilation
Note:
This is a poor installation. The
pipe is not really buried. The
vent is
sitting on an old cinder block.
Improper ventilation installation
UNIT 4- 22
Step 10: Install the Control Panel
• Use a licensed electrician for wiring
✔ Float connections
✔ Incoming power to the panel
✔ Power from the panel to the recirculation pump
✔ Power to the discharge pump, if applicable
✔ Conduit seal outside riser
Note:
Do not install the control panel
on the wall of a bedroom, living
room, or other living space.
Control panel installed on post
UNIT 4- 23
Step 11: Perform System Functional Test
• Verify:
✔ Pump operation
✔ Filter operation
• The Authorized AdvanTex Service Provider will be present at start-up
• Temporarily disconnect the manifold union to flush any debris such as PVC shavings
from the transport line
UNIT 4- 24
Step 11: Perform System Functional Test, continued:
•
Verify the pump operation
✔ First, verify that the pump is submerged in water before continuing
✔ Test the pump operation in “manual”
✔ Test the pump operation in “automatic” using test mode
Note:
To enable test mode, hold the
“push-to-silence” button on the
front of the panel until the audible alarm sounds (approximately
15 seconds).
Automatic/Manual switch in the control panel
UNIT 4- 25
Step 11: Perform System Functional Test, Continued:
✔ Verify filter operation
✔ Reconnect and hand-tighten the manifold union
✔ Hold the spring-loaded switch in “manual” position
✔ Open each lateral individually to flush debris
✔ Remove several orifice shields
✔ Check squirt height: 3 ft. to 5 ft. typical
✔ Record the residual head (squirt height)
measurement
Squirt height check on AdvanTex AX20N pod
UNIT 4- 26
Step 11: Perform System Functional Test, continued:
•
Release the spring-loaded switch to the “automatic” position
•
Fill the processing tank to one inch above the RSV cage
•
Switch the manual/automatic switch to “manual”
•
Verify proper liquid flow and drainage to and from the filter pod
•
Verify no leaks at all plumbing joints
UNIT 4- 27
Step 12: Perform Functional Test for VeriComm® Panel
1. Verify system status
2. Enable test mode
3. Perform manual pump test
4. Perform float test
5. Perform communication test
6. Disable test mode (optional)
VeriComm control panel
RESOURCE:
For detailed procedures specific to each VeriComm model, refer to the documentation
that comes with the panel. Information at http://www.orenco.com/pennsylvania
UNIT 4- 28
Step 13: Backfill
•
When backfilling, be careful not to alter the slope of
pipes. Brace the pipes or place the pipes on a compacted bed and carefully fill around them.
•
Backfill the filter in maximum 12” lifts
•
Ensure the top of the filter is a minimum of 1” to 2”
above grade
•
Slope ground away from filter
Note:
Before backfilling, make sure
all pod and riser lids are bolted
down. Failure to bolt down lids
may result in deforming the pod
and risers.
Backfilling of AdvanTex AX20N system
UNIT 4- 29
Sampling Protocol
FILTRATE SAMPLING LOCATION: RESIDENTIAL SYSTEMS
•
Sample the discharge filtrate at the RSV
•
Pull the RSV out of its quick disconnect bracket; lay it on a flat surface
•
Take the sample at the RSV inlet
Removing the recirculating splitter valve
Note:
Take care not to scrape the bottle
on surfaces and pick up debris.
Wait for a timed pump cycle.
Do not force the pump to run.
Collecting a sample at the RSV inlet for testing
UNIT 4- 30
Video Resourses
PLEASE REVIEW THE FOLLOWING VIDEOS AT:
HTTP://WWW.ORENCO.COM/PENNSYLVANIA/
•
AdvanTex: How it works
•
AdvanTex Install - Part 1
•
AdvanTex Install - Part 2
•
Control Panel Install
•
External Splice Box Install
•
RSV Install
UNIT 4- 31
Lesson Summary
IN THIS LESSON,YOU LEARNED...
The important installation inspection points:
•
Watertight tanks, connections, penetrations
•
Only Orenco FRP tanks or concrete tanks that conform to an Orenco-approved
tank design authorized by an Orenco Dealer
•
Anti-flotation flanges in place and properly connected
•
Filtrate sample locations (RSV) are accessible
•
Check all piping
✔ Proper slope
✔ No bellies in pipes
✔ Good, watertight joints
UNIT 4- 32
The important installation inspection points, continued:
•
Check the splice box for location and connections
•
Check the slope of the filtrate return line
•
Check the piping to be sure it has been flushed
•
Run functional checks
•
The Orenco Authorized Service Provider will confirm the 4:1 recirculation
ratio based upon factory settings
•
Make sure all riser lids are bolted down prior to leaving the site
UNIT 4- 33

COURSE # 343 UNIT 4: ADVANTEX® WASTEWATER

Transcription

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