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\author 261243502 "her28" 
\author 278090328 "vlk24" 
\author 1724195891 "labuser" 
\end_header

\begin_body

\begin_layout Title
Summer 2012 Design Final Report
\end_layout

\begin_layout Author
Heidi Rausch
\end_layout

\begin_layout Date
8/9/12
\end_layout

\begin_layout Abstract
The creation of modular designs is a new concept that was recently brought
 into consideration.
 Modularizing the code will make it possible for individual parts of the
 plant to be request separately, instead of only having the option to request
 an entire plant.
 Once code is written for a specific part of the plant, an online form will
 then be created so that that part can be ordered.
 Creating an upper level code file is very different from creating a drawing
 file, in which all of the current plant components are drawn.
 I have created some basic guidelines for creating such a file in this 
\begin_inset CommandInset href
LatexCommand href
name "google doc"
target "https://docs.google.com/document/d/1Qn4MYD9366DbyF2hd5CyJCHYx_CGKG_kB6Oost-747w/edit?pli=1"

\end_inset

.
 These guidelines are far from complete, as the process of creating modular
 design files is still very new.
 All of the modular design files can be found in the ADT designs file, which
 can be found in Final Designs.
 In ADT designs there is a folder for each design component that can be
 (or will be able to be) ordered online by an interested party.
 In each component's folder there should be a Mathcad file from which the
 online form will pull information from to create the requested design,
 a method (
\emph on
and corresponding beta method
\emph default
) file which communicates between the user inputs, the drawing code and
 the LabVIEW code that outputs information to the user online,
\emph on
 and an About file which can be used to see what variables are undefined
 within your code (this is useful for troubleshooting your 
\change_deleted 278090328 1345473862
m
\change_inserted 278090328 1345473865
M
\change_unchanged
athcad code)
\emph default
.
 The method file is extremely important to make the online interface work
 correctly with the drawing code; I have created a method template so that
 in the future any design team member will know how to create a method file.
 The method template file is written in 
\change_deleted 278090328 1345473969
e
\change_inserted 278090328 1345473975
E
\change_unchanged
xcel, and can be found in the ADT designs file, all actual method files
 should be saved as tab delimited text files, should all be titled Method.txt
 and saved within their modular design's folder in ADT designs
\emph on
.

\emph default
 The modular designs that we hope to create are the LFOM, the LCDC, the
 SRSF (there is already a demand for this design to replace pressure filters
 in Honduras) and the flocculator, sedimentation tank, and entrance tank.
 We may also possibly want to 
\change_inserted 278090328 1345474043
add 
\change_deleted 278090328 1345474046
design a 
\change_unchanged
turbidimeter and stock tank mixer
\change_inserted 278090328 1345474052
 as a modular design
\change_unchanged
.
 
\end_layout

\begin_layout Section*
Method Files
\change_inserted 278090328 1345473550
, 
\change_deleted 278090328 1345473549
/
\change_unchanged
Version Control
\change_inserted 278090328 1345473556
, and 
\change_deleted 278090328 1345473552
/
\change_unchanged
Beta Server Use
\end_layout

\begin_layout Standard
The new design server website for requests is this
\begin_inset CommandInset href
LatexCommand href
name "page"
target "http://designserver.cee.cornell.edu/Designs/"

\end_inset

and the new beta server website is this 
\begin_inset CommandInset href
LatexCommand href
name "page"
target "http://designbeta.cee.cornell.edu/Designs/"

\end_inset


\emph on
.
 
\emph default
The beta server is currently set up as a continuously updating server (version
 number set to 0 for all pieces we are currently ou
\change_inserted 278090328 1345474076
t
\change_unchanged
puting online), so anytime someone commits something 
\change_inserted 278090328 1345474167
to our SourceForge repositories, 
\change_unchanged
the 
\change_inserted 278090328 1345474145
beta 
\change_unchanged
server will restart making all the stock designs with that revision number.
 
\change_inserted 278090328 1345474220
The continual updates allow
\change_deleted 278090328 1345474224
This will be useful because now
\change_unchanged
 anyone 
\change_deleted 278090328 1345474227
can
\change_inserted 278090328 1345474228
to
\change_unchanged
 commit 
\change_deleted 278090328 1345474236
something
\change_inserted 278090328 1345474237
changes
\change_unchanged
 and
\change_inserted 278090328 1345474247
,
\change_unchanged
 
\change_deleted 278090328 1345474244
then
\change_unchanged
 in a few minutes
\change_inserted 278090328 1345474249
,
\change_unchanged
 (possibly up to an hour depending on what they changed) they can see if
 it will work by checking online on the beta server website.
 The version number that the design server is using for an specific piece
 of the plant is controlled by the overall method file in the ADT designs
 file.
 Then, each individual modular design folder also has its own method file
 that controls what user inputs are needed, the construction of the stock
 designs and what drawings and image files are output
\change_deleted 278090328 1345474276
ed
\change_unchanged
.
 There are beta method files that parallel all of these method files that
 control what goes on with the beta server.
 When someone is interested in whether or not the latest 
\change_deleted 278090328 1345474375
file
\change_inserted 278090328 1345474376
changes
\change_unchanged
 they committed working 
\change_deleted 278090328 1345474387
the way they thought it would
\change_inserted 278090328 1345474389
correctly,
\change_unchanged
 they can check the about file for the plant or for the individual modular
 code piece they were working on.
 The about file lists all the important variables for each piece and if
 they were not calculated an error message is shown, so it is easy to 
\change_deleted 278090328 1345474411
see where the mistake was in what someone may have just changed
\change_inserted 278090328 1345474416
identify mistakes
\change_unchanged
.
 
\end_layout

\begin_layout Section*
LFOM (Linear Flow Orifice Meter)
\end_layout

\begin_layout Standard
The LFOM was one of the higher priority modular designs, so it was the first
 one to be worked on.
 The first thing to be decided when creating a modular design was exactly
 what we wanted the code to output.
 For the LFOM it was decided that all that needed to be drawn was simply
 the pipe with the orifice holes in it.
 Other parts of the rapid mix pipe and entrance tank do not need to be included
 because we do not know 
\change_inserted 278090328 1345474515
the context in which
\change_deleted 278090328 1345474517
how
\change_unchanged
 the LFOM will be used by whoever requests it.
 User inputs also need to be chosen for each modular design.
 Every piece must have 
\change_deleted 278090328 1345474526
Q.Plant (
\change_unchanged
the flow rate of the plant
\change_deleted 278090328 1345474528
)
\change_unchanged
 
\change_inserted 278090328 1345474534
(Q.Plant) 
\change_unchanged
as an input, but most parts will need to have other inputs as well.
 Most pieces will need other user inputs because
\change_inserted 278090328 1345474547
,
\change_unchanged
 now that the piece is not incorporated into the plant, additional aspects
 of the design that previously relied on other plant components will have
 to be supplied by the user.
 For the LFOM, there are simply 
\change_inserted 278090328 1345474561
two
\change_deleted 278090328 1345474560
2
\change_unchanged
 inputs, Q.Plant and HL.Lfom, which is the height of the LFOM.
 After the user inputs are stated in the code, then references to expert
 inputs are made.
 The entire expert inputs file is not referenced as not all the information
 in it is necessary for drawing an LFOM, or any 
\change_inserted 278090328 1345474659
other 
\change_unchanged
part of the plant for that matter.
 After the expert inputs references, there is a section that includes references
 to other important files in Final Designs, which are MathFunctions, FluidsFunct
ions, MtoATranslators, MtoATranslatorsWrapped, 
\change_inserted 278090328 1345474713
and 
\change_unchanged
PlumbingF
\change_inserted 278090328 1345474732
.
 These must be referenced in all modular design files.
 Finally, 
\change_deleted 278090328 1345474733
, and
\change_unchanged
 the LFOM design file
\change_inserted 278090328 1345474782
 and LFOM drawing code, contained in LfomAC, are referenced
\change_unchanged
.
 
\change_deleted 278090328 1345474786
Then finally there is the drawing code for the Lfom, which is contained
 within the new file LfomAC.

\change_unchanged
 At the end of the code, after already defining the AC variable, one of
 the most important things to include 
\change_inserted 278090328 1345474804
is 
\change_unchanged
an undefined statement of the AC variable.
 This is necessary so that LabV
\change_inserted 278090328 1345476772
IEW
\change_deleted 278090328 1345476770
iew
\change_unchanged
 can correctly fill in this variable with the information from the user
 inputs.
\change_inserted 278090328 1345476872

\begin_inset Note Note
status open

\begin_layout Plain Layout

\change_inserted 278090328 1345476910
Isn't it so LabVIEW can pull the defined AC variable and enter it into the
 AutoCAD command line?
\change_unchanged

\end_layout

\end_inset


\change_unchanged
 Also 
\change_inserted 278090328 1345476786
undefined statements of 
\change_unchanged
the variables D.LfomOrifices, H.LfomOrifices, and N.LfomOrifices have been
 included in the bottom of the code
\change_deleted 278090328 1345476802
 set equal to nothing
\change_unchanged
 so that they can be filled in by LabV
\change_inserted 278090328 1345476807
IEW
\change_deleted 278090328 1345476806
iew
\change_unchanged
 and then displayed in the design spec
\change_inserted 278090328 1345476823
ifications
\change_deleted 278090328 1345476819
s
\change_unchanged
.
 
\end_layout

\begin_layout Standard
At this point the folder for the LFOM in ADT designs is complete.
 There is the drawing code, the drawing template code (created by Marlana
 Hinkley
\change_inserted 278090328 1345474869
 in the summer of 2012
\change_unchanged
), the method file, and design specs in both English and Spanish that include
 the most important information about the LFOM that the user just created.
 LFOMs can now be ordered online from the design server or the beta server.
 An example of a LFOM with HL.Lfom set to 20 cm and Q.Plant set to 20L/s can
 be seen in 
\begin_inset CommandInset ref
LatexCommand ref
reference "fig:Lfom-Example"

\end_inset

 below.
\end_layout

\begin_layout Standard
\begin_inset Float figure
wide false
sideways false
status collapsed

\begin_layout Plain Layout
\begin_inset ERT
status open

\begin_layout Plain Layout


\backslash
centering
\end_layout

\end_inset


\begin_inset Graphics
	filename lfomExample.jpg
	scale 40

\end_inset


\begin_inset Caption

\begin_layout Plain Layout
LFOM Example
\begin_inset CommandInset label
LatexCommand label
name "fig:Lfom-Example"

\end_inset


\end_layout

\end_inset


\end_layout

\begin_layout Plain Layout

\end_layout

\end_inset


\end_layout

\begin_layout Section*
LCDC (Linear Chemical Dose Controller)
\end_layout

\begin_layout Standard
The second modular design that was worked on a design for the chemical dose
 controller.
 This proved to be significantly harder to break away from other parts of
 the the original plant code than the LFOM.
 Difficulties were created by the fact that many of the doser's, constant
 head tank's, and calibration column's elevations were defined by other
 parts of the plant.
 Other problems came up when trying to design a single doser that could
 work for any of the three chemicals we use in our plants.
 It seems most logical for a modular design of the doser to be a single
 doser, however then the question of what chemical to dose is a significant
 issue.
 Much of the design of each doser depends on the viscosity of each chemical.
 So to make the code as general as possible many different options for chemicals
 would have to be coded in
\change_inserted 278090328 1345474924
 to be chosen by the user
\change_unchanged
.
 It has not yet been decided which and how many chemicals the code should
 be able to work for.
 For this reason work on the LCDC modular code has been put on hold for
 the time being, as it is believed that other modular designs will be easier
 to work out.
 
\end_layout

\begin_layout Subsection*
CDC Plant Drawing Code
\end_layout

\begin_layout Standard
Work on the CDC drawing code for the plant also needs to be done
\change_inserted 278090328 1345476171
 in order to finalize the design within the total plant design and the LCDC
 modular design
\change_unchanged
.
 Recently sliders have been added to the plant drawing code for the 
\change_inserted 278090328 1345475926
CDC
\change_deleted 278090328 1345475925
cdc
\change_unchanged
 system, they can be seen in figure 
\begin_inset CommandInset ref
LatexCommand ref
reference "fig:Slider-and-Fittings-1"

\end_inset

 below.
 Other recent fixes also include correct placement of the fittings for the
 connector tube to attach and correct subtractions of many of the pieces
 attached to the lever arm.
 Finally, the option of one, two or three dosers has also been added.
 Three doser can be seen in figure 
\begin_inset CommandInset ref
LatexCommand ref
reference "fig:Three-Dosers"

\end_inset

, two dosers (which would be chlorine and plant coagulant) can be seen in
 figure 
\begin_inset CommandInset ref
LatexCommand ref
reference "fig:Two-Dosers"

\end_inset

, and one doser (currently the chlorine doser) is seen in figure 
\begin_inset CommandInset ref
LatexCommand ref
reference "fig:One-Doser"

\end_inset

.
\change_inserted 278090328 1345476188

\end_layout

\begin_layout Standard
\begin_inset Float figure
wide false
sideways false
status collapsed

\begin_layout Plain Layout
\begin_inset ERT
status open

\begin_layout Plain Layout


\backslash
centering
\end_layout

\end_inset


\begin_inset Graphics
	filename SliderAndFittings.jpg

\end_inset


\begin_inset Caption

\begin_layout Plain Layout
Slider and Fittings
\begin_inset CommandInset label
LatexCommand label
name "fig:Slider-and-Fittings-1"

\end_inset


\end_layout

\end_inset


\end_layout

\end_inset


\begin_inset Float figure
wide false
sideways false
status collapsed

\begin_layout Plain Layout
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status open

\begin_layout Plain Layout


\backslash
centering
\end_layout

\end_inset


\begin_inset Graphics
	filename 3dosers.jpg

\end_inset


\begin_inset Caption

\begin_layout Plain Layout
Three Dosers
\begin_inset CommandInset label
LatexCommand label
name "fig:Three-Dosers"

\end_inset


\end_layout

\end_inset


\end_layout

\begin_layout Plain Layout

\end_layout

\end_inset


\begin_inset Float figure
wide false
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status open

\begin_layout Plain Layout


\backslash
centering
\end_layout

\end_inset


\begin_inset Graphics
	filename 2dosers.jpg

\end_inset


\begin_inset Caption

\begin_layout Plain Layout
Two Dosers
\begin_inset CommandInset label
LatexCommand label
name "fig:Two-Dosers"

\end_inset


\end_layout

\end_inset


\end_layout

\begin_layout Plain Layout

\end_layout

\end_inset


\begin_inset Float figure
wide false
sideways false
status collapsed

\begin_layout Plain Layout
\begin_inset ERT
status open

\begin_layout Plain Layout


\backslash
centering
\end_layout

\end_inset


\begin_inset Graphics
	filename OneDoser.jpg

\end_inset


\end_layout

\begin_layout Plain Layout
\begin_inset Caption

\begin_layout Plain Layout
One Doser
\begin_inset CommandInset label
LatexCommand label
name "fig:One-Doser"

\end_inset


\end_layout

\end_inset


\end_layout

\end_inset

.
\change_inserted 278090328 1345476193

\end_layout

\begin_layout Standard

\change_inserted 278090328 1345476226
The new CDC manifold system (developed in the summer of 2012) needs to be
 added to the design and drawing.
 These changes will ideally be finalized in the Fall 2012 semester and then
 can be incorporated into the design.
\change_unchanged

\end_layout

\begin_layout Section*
SRSF (Stacked Rapid Sand Filter)
\end_layout

\begin_layout Standard

\emph on
I had a modular design for the filter worked out and it looked the same
 as the regular design but recently it was decided modular codes should
 have almost no repeated code and should be based entirely on the design
 and drawing codes for the original plant components.
 This led to the decision that some variable definitions within the individual
 design and drawing codes should be taken out of their 
\change_deleted 278090328 1345476288
m
\change_inserted 278090328 1345476292
M
\change_unchanged
athcad files and defined within EtFlocSedFi.
 This seems like it may 
\change_inserted 278090328 1345476302
clutter
\change_deleted 278090328 1345476300
culter
\change_unchanged
 up EtFlocSedFi but it will also easily show how each part of the code depends
 on the code above it.
 In figure 
\begin_inset CommandInset ref
LatexCommand ref
reference "fig:Example-of-the"

\end_inset

 below you can see how EtFlocSedFi will look in the near future.
 
\end_layout

\begin_layout Standard

\emph on
\begin_inset Float figure
wide false
sideways false
status collapsed

\begin_layout Plain Layout

\emph on
\begin_inset ERT
status open

\begin_layout Plain Layout


\backslash
centering
\end_layout

\end_inset


\begin_inset Graphics
	filename etflocsedfiMod.JPG
	scale 70

\end_inset


\begin_inset Caption

\begin_layout Plain Layout
Example of the future EtFlocSedFi
\begin_inset CommandInset label
LatexCommand label
name "fig:Example-of-the"

\end_inset


\end_layout

\end_inset


\end_layout

\begin_layout Plain Layout

\end_layout

\end_inset


\end_layout

\begin_layout Standard

\emph on
Once I started working on the filter using the new method of only including
 references to the design and drawing codes for the filter specifically
 it became obvious the many elevations for the filter rely heavily on elevations
 in other parts of the plant.
 I have a modular filter in the works but some of the elevations are clearly
 very wrong
\change_inserted 278090328 1345476353
,
\change_unchanged
 as you can see in figure 
\begin_inset CommandInset ref
LatexCommand ref
reference "fig:Filter-with-Inaccurate"

\end_inset

.
 
\end_layout

\begin_layout Standard
\begin_inset Float figure
wide false
sideways false
status collapsed

\begin_layout Plain Layout

\end_layout

\begin_layout Plain Layout
\begin_inset Graphics
	filename filterElevationsBad.JPG
	scale 50

\end_inset


\begin_inset ERT
status open

\begin_layout Plain Layout


\backslash
centering
\end_layout

\end_inset


\begin_inset Caption

\begin_layout Plain Layout
Filter with Inaccurate Elevations
\begin_inset CommandInset label
LatexCommand label
name "fig:Filter-with-Inaccurate"

\end_inset


\end_layout

\end_inset


\end_layout

\begin_layout Plain Layout

\end_layout

\end_inset


\end_layout

\begin_layout Standard

\change_inserted 1724195891 1341866673
\begin_inset Note Note
status collapsed

\begin_layout Plain Layout

\change_inserted 1724195891 1341866954
I think we should do something about the two inlet pipes going into the
 filter.
 The number of pipes coming in is a strict geometric constraint based on
 the sed tank design and I think it might confuse a user to see that.
 Maybe we should have a single inlet pipe coming in to the inlet box or
 channel the way it does in the entrance tank so the user just understands
 it as the intake to be sized according to their needs.
 Also, do we want to show an inlet channel with just one filter? Are we
 assuming that they aren't going to have their own hydraulic disconnection
 system? I'm not sure what the best thing to do is about that.
\end_layout

\end_inset


\end_layout

\begin_layout Section*
Sedimentation Tank
\end_layout

\begin_layout Standard
The modular code for the sedimentation tank was the easiest component to
 design.
 This is because the origin point of the sedimentation tank is the origin
 point of the entire plant and the other plant components were 
\change_inserted 278090328 1345476425
written to be dependent on the sedimentation tank design
\change_deleted 278090328 1345476415
created after the sed tank
\change_unchanged
.
 The only input for this modular design is a flow rate through the tank
\change_inserted 278090328 1345476443
(s)
\change_unchanged
.
 Below you can see a 20L/s design in figure 
\begin_inset CommandInset ref
LatexCommand ref
reference "fig:Sedimentation-Tank-Modular"

\end_inset

.
 
\end_layout

\begin_layout Standard
\begin_inset Float figure
wide false
sideways false
status collapsed

\begin_layout Plain Layout

\end_layout

\begin_layout Plain Layout
\begin_inset Graphics
	filename modularSedTank.JPG
	scale 50

\end_inset


\begin_inset ERT
status open

\begin_layout Plain Layout


\backslash
centering
\end_layout

\end_inset


\begin_inset Caption

\begin_layout Plain Layout
Sedimentation Tank Modular Design
\begin_inset CommandInset label
LatexCommand label
name "fig:Sedimentation-Tank-Modular"

\end_inset


\end_layout

\end_inset


\end_layout

\begin_layout Plain Layout

\end_layout

\end_inset


\end_layout

\begin_layout Section*
Flocculator
\end_layout

\begin_layout Standard
The flocculator required more work than the sedimentation tank, however
 it was not too difficult to complete.
 The flocculator requires extra user inputs as the flocculator 
\change_inserted 278090328 1345476478
design 
\change_unchanged
in the plant is 
\change_deleted 278090328 1345476467
fairly 
\change_unchanged
depend
\change_deleted 278090328 1345476456
a
\change_inserted 278090328 1345476456
e
\change_unchanged
nt on the sedimentation tank
\change_inserted 278090328 1345476470
 design
\change_unchanged
.
 The user inputs for the flocculator are a desired flow rate through the
 flocculator, the length of the flocculator, the minimum elevation of the
 floc baffles, the width of the floc inlet channel, the elevation of the
 bottom of the floc inlet channel and the height of the floc tank.
 Below in figure 
\begin_inset CommandInset ref
LatexCommand ref
reference "fig:Modular-Flocculator-design"

\end_inset

 a flocculator 20L/s design with user inputs that would match a 20L/s plant
 can be seen.
\end_layout

\begin_layout Standard
\begin_inset Float figure
wide false
sideways false
status collapsed

\begin_layout Plain Layout

\end_layout

\begin_layout Plain Layout
\begin_inset Graphics
	filename modularFloc.JPG
	scale 50

\end_inset


\begin_inset ERT
status open

\begin_layout Plain Layout


\backslash
centering
\end_layout

\end_inset


\begin_inset Caption

\begin_layout Plain Layout
Modular Flocculator design
\begin_inset CommandInset label
LatexCommand label
name "fig:Modular-Flocculator-design"

\end_inset


\end_layout

\end_inset


\end_layout

\begin_layout Plain Layout

\end_layout

\end_inset


\end_layout

\begin_layout Section*
Entrance Tank
\end_layout

\begin_layout Standard
To create a entrance tank modular 
\change_inserted 278090328 1345476512
design, 
\change_deleted 278090328 1345476514
again 
\change_unchanged
several user inputs were
\change_inserted 278090328 1345476517
 again
\change_unchanged
 required.
 Also to complete this design several elevation defin
\change_inserted 278090328 1345476527
i
\change_unchanged
tions were removed from the entrance design and instead these elevation
\change_inserted 278090328 1345476533
s
\change_unchanged
 are simply defined as a point plus the height required to reach that elevation.
 This allows these heights to be redefined for the modular code.
 Ultimately it was determined that the user needs to input a flow rate,
 a maximum length of their entrance tank, the elevation of water exiting
 the entrance tank and the elevation of the pipe which allows water to exit
 the entrance tank.
 Below in figure 
\begin_inset CommandInset ref
LatexCommand ref
reference "fig:Entrance-Modular-Design"

\end_inset

 an entrance tank 20L/s design with user inputs that would match a 20L/s
 plant can be seen.
 
\end_layout

\begin_layout Standard
\begin_inset Float figure
wide false
sideways false
status collapsed

\begin_layout Plain Layout

\end_layout

\begin_layout Plain Layout
\begin_inset Graphics
	filename modularEntranceTank.JPG
	scale 50

\end_inset


\begin_inset ERT
status open

\begin_layout Plain Layout


\backslash
centering
\end_layout

\end_inset


\begin_inset Caption

\begin_layout Plain Layout
Entrance Modular Design
\begin_inset CommandInset label
LatexCommand label
name "fig:Entrance-Modular-Design"

\end_inset


\end_layout

\end_inset


\end_layout

\begin_layout Plain Layout

\end_layout

\end_inset


\end_layout

\begin_layout Section*
Turbidimeter
\end_layout

\begin_layout Standard
In addition to creating modular designs for plant components it was also
 suggested that a design be created for a turbidimeter.
 Below in figure 
\begin_inset CommandInset ref
LatexCommand ref
reference "fig:Turbidimeter-AutoCAD-drawing"

\end_inset

 a preliminary drawing of a turbidimeter can be seen.
 In the future I want to make the light in the middle look more realistic
 and add the design on the top of the viewing disk as well as possibly add
 lines to show turbidities.
 
\end_layout

\begin_layout Standard
\begin_inset Float figure
wide false
sideways false
status collapsed

\begin_layout Plain Layout

\end_layout

\begin_layout Plain Layout
\begin_inset Graphics
	filename turbidimeter.JPG
	scale 50

\end_inset


\begin_inset ERT
status open

\begin_layout Plain Layout


\backslash
centering
\end_layout

\end_inset


\begin_inset Caption

\begin_layout Plain Layout
Turbidimeter AutoCAD drawing
\begin_inset CommandInset label
LatexCommand label
name "fig:Turbidimeter-AutoCAD-drawing"

\end_inset


\end_layout

\end_inset


\end_layout

\end_inset


\end_layout

\begin_layout Part*
Low Flow Plant Layout
\end_layout

\begin_layout Standard
Recently work was begun on a new plant layout for low flow plants.
 Original layouts that were developed can be seen below in figure 
\begin_inset CommandInset ref
LatexCommand ref
reference "fig:Two-views-of"

\end_inset

.
 These layouts have not been completed.
 The entrance tank should have been raised in the z direction.
 The entrance tank must also be moved slightly in the negative x direction
 and the pipe connecting the entrance tank to the flocculator must be extended;
 this is because we want the walkway between the entrance tank and the flocculat
or to be the same as in 
\begin_inset Quotes eld
\end_inset

normal
\begin_inset Quotes erd
\end_inset

 flow plants but the flocculator is now so much smaller.
 
\end_layout

\begin_layout Standard
To make all these layout changes I came up with a relatively simple procedure.
 First I changed the sedimentation tank to be oriented how I wanted it to
 be, it is necessary to do this so that you know where your plant origin
 is.
 I did this by including a small section at the end of the drawing file
 where I thawed all the layers in the file, then rotated and moved them
 as necessary and finally refroze all layers.
 I then created a stack of the file's AC output variable exclusively for
 low flow.
 I then used this procedure for both the entrance tank the flocculator codes.
 I think that this method is reasonable and simple enough so that in the
 future it will be relatively easy for design team members to change if
 they need to.
\end_layout

\begin_layout Standard
\begin_inset Float figure
wide false
sideways false
status collapsed

\begin_layout Plain Layout
\begin_inset ERT
status open

\begin_layout Plain Layout


\backslash
centering
\end_layout

\end_inset


\end_layout

\begin_layout Plain Layout
\begin_inset Graphics
	filename LeftViewLowFlowPlant.JPG
	scale 30

\end_inset


\begin_inset Graphics
	filename TopViewLowFlowPlant.JPG
	scale 30

\end_inset


\begin_inset Caption

\begin_layout Plain Layout
Two views of current low flow plant layout
\begin_inset CommandInset label
LatexCommand label
name "fig:Two-views-of"

\end_inset


\end_layout

\end_inset


\end_layout

\begin_layout Plain Layout

\end_layout

\end_inset


\end_layout

\begin_layout Standard

\shape italic
Since last working on changing plant layout it has been decided that we
 in fact do not need to change the plant layout as much as originally was
 thought.
 Julia 
\change_inserted 278090328 1345476682
Morris 
\change_unchanged
is still working the low flow plant but it will not require as much rotating
 and moving of entire plant components as originally was thought.
 The procedure I described above for moving plant components could be useful
 in the future though.
 See Julia Morris's final report for more information on low flow plant
 layouts.

\shape default
 
\change_inserted 261243502 1343665625

\end_layout

\end_body
\end_document
