This is an automatic specification writing tool for diffused aeration systems in the wastewater treatment industry.

1. Write your own Diffused Aeration Specifications with SSI free SpecGen™ web tool in 5 minutes.
Let’s learn how 

2. Do you struggle writing aeration system specs? Do you contact a vendor to request a design, and then approach the
blower vendor for their proposal? If you like to work faster, we have a free tool for you.
SpecGen™ – your new automated aeration system specification tool available on the SSI Technology Portal at
http://www.ssiaeration.com/technology-portal/
Instructional Video
Time: 5 minutes

3. 1. Select units – US or Metric.
2. Click NEXT
*note future additions will include retrievable designs and other tank types but for now the application
is limited to aeration tanks and fixed grid systems.

4. 1. Select diffuser and perforation
pattern.
2. Continue with support,
anchorage, pipe, monitoring,
and purge options.
3. Click NEXT

5. 1. Add additional named suppliers, if desired.
2. Choose a quality system, startup services, and warranty
requirements.
3. Click NEXT

6. 1. Default spec section numbers are per CSI
MasterFormat – 2016. You can change
them if you like.
2. Add any additional related sections at the
bottom. If you need more , you can type
them onto the output document at the
end.
3. Click NEXT

7. 1. Choose your tank shape, and continue to enter
ambient temperature and wastewater
temperature ranges. These values will be used
to calculate submerged air temperatures.
2. One tank at a time, enter the number of zones.
Input boxes will open in columns for each zone.
Start entering dimensions. You will have an
opportunity to add additional tanks when we
scroll down.
3. In order to proceed, you need to fill in
dimensions for each zone.
4. This page is continued so don’t click NEXT yet!

8. 1. Once you enter SOR per zone, the
green shaded cells will auto-populate
with SSI design data. SSI CurveGen™
SOTE algorithms power this section.
2. In the “CONSTRAINTS” section below,
adjust the airflow rates per diffuser
and it will adjust the rest of the cells.
We changed average airflow rate per
diffuser to 1.0 in Zone3.
3. You may see red or yellow cells. This
is the validation system at work. Pay
attention to the warnings.
4. Click the red X to delete a zone. To
delete a tank click Delete Tank. You
can add a zone or a new tank as well.
5. Click NEXT

9. 1. Now you will see a summary. You can choose to receive
your output as a Google Doc, or as a .DOCX file for
Microsoft Word.
2. Once you make this selection, you will be asked to name
your proposal and for an email address where to send a
copy.
3. Click CONTINUE
4. If you selected the .DOCX file, it will also download
automatically and should be immediately available to open.
5. Open the file, do your final edits, contact SSI for review if
you like, and you are ready to go to bid.

10. SpecGen™
OUTPUT