20080820 Ver 1_More Info Received_20080522

[Fwd: FW: Faust]
Subject: [Fwd: FW: Faust]
From: Alan Johnson <[e-mail]>
Date: Thu, 22 May 2008 15:37:45 -0400
To: Laurie J Dennison <[e-mail]>
08-0820, cabarrus.
see attached for file
Alan Johnson - [e-mail]
North Carolina Dept. of Environment & Natural Resources
Div. of Water Quality
610 E. Center Ave., Suite 301
Mooresville, NC 28115
Ph: [phone] Fax: [phone]
Subject: FW: Faust
From: "Andrea Spangler" <[e-mail]>
Date: Thu, 22 May 2008 07:54:07 -0700
To: "Alan Johnson" <[e-mail]>
Alan-
a-TF o8-o%a-o

Below are the responses (in blue) to your comments. Please let me know if you need any additional information.
The discharge is ranging from 10- 20 cfs, but you show in table 70
cfs...??? It was a typo. It has since been corrected in Table 1. The 10 - 20 cfs
values were not used for design.
Valley slope is different in table (two are shown) Another typo in Table 1.
Attached table show corrected valley slopes.
Woody plants should be part of the planting scheme (even if low
growing). For both shade and stability Homeowner's son owns a landscaping
business and will be installing woody vegetation on banks. We will advise him
which woody plants would be best for stream banks.
Behind the home,,,I suggest some type of planting ...lirope, ivy, or
something to ensure the bank is stable on the house side of the stream We plan on
selectively seeding the left bank behind the house outside of the shown planting
zone. In addition, we will work with the homeowner's son on planting woody
vegetation on the left bank.
Rip rap going to be removed? Also want to ensure that the riffle look
like riffle and not rip rap.... We plan on removing the existing rip rap and use
brown river rock for the riffles and rock structures.
Andrea
-----original Message-----
From: Alan Johnson [mailto:[e-mail]]
Sent: Thursday, May 22, 2008 9:15 AM
To: Andrea Spangler
Subject: Faust
Discussion:
The discharge is ranging from 10- 20 cfs, but you show in table 70
cfs...???
Valley slope is different in table (two are shown)
1 of 2 5/27/2008 7:26 AM
[Fwd: FW: Faust]
Woody plants should be part of the planting scheme (even if low
growing). For both shade and stability
Behind the home,,,I suggest some type of planting ...lirope, ivy, or
something to ensure the bank is stable on the house side of the stream
Rip rap going to be removed? Also want to ensure that the riffle look
like riffle and not rip rap....
Thanks
Alan Johnson - [e-mail]
North Carolina Dept. of Environment & Natural Resources
Div. of Water Quality
610 E. Center Ave., Suite 301
Mooresville, NC 28115
Ph: [phone] Fax: [phone]
Content-Type: message/rfc822
FW: Faust.eml'
Content-Encoding: 7bit
Content-Description: REV_Tablel_design_parameters.pdf
REV Tablel_design_parameters.pdf Content-Type: application/octet-stream
Content-Encoding: base64
2 of 2 5/27/2008 7:26 AM
Table 1
Geomorphic Characteristics of Faust UT
Existing Condition Design Range Design Range
Min Max Min Max Min Max
1.- Stream Type E B
2. Drainage Area - square miles 0.2 0.2 0.2
3. Bankfull Width (w?,),- feet
4. Bankfull Mean Depth teet
5. Width/Depth Ratio (w/d ratio) 12 1$" 10 14 ,
6. Cross-sectional Area (A,,,;f) - SF 2.80 4.50 2.80 4.50
7. Bankfull Mean Velocity (vba) (ps ., 3.10 5.0- --,,',3.0 •5.0 .
8. Bankfull Discharge (Qbkf) - cts 70 70 70 70 70 70
9. Bankfull Max Depth (dmbkf) - feet
10. dn*m / dbkr ratio .:. s ` 1.2 1`.5 1.2 1.51--
11. Low Bank Height to d _„"- Ratio 1.0 1.2 1.0 1.2
12. Floodprone Area Width (w,,) - feel
13. Entrenchment Ratio (ER) 1.4 2.2 2.2 10+
14. Meander length (L,,) -feet N/A N/A
15. Ratio of meander length to bankfull width (Lm/wbkf) N/A N/A 7 10
16. Radius of curvature (R,,) - feet N/A'
` N/A'
17. Ratio of radius of curvature to bankfull width (R,/ wbkf) N/A N/A 2.00 3.00
18. Belt width (wbft) - feet
19. Meander Width Ratio (wbmt/Wbkf) 2.00 3.50 3.50 8.00
20. Sinuosity (K) Stream Length/ Valley Distance 1.00 1.20 J? 1 10 ..; 1.50
21. Valley Slope - feet per foot 0.0270 0.0270
22. Channel Slope (sa, rj - feet per toot i 0.0225 0.0330 0.0180: 0.0245
23. Pool Slope (s,,i) - feet per foot
24. Ratio of Pool Slope to-Average Slope (sue / sa;,,,,,,,r) 0.00 0.03 0110, 0.20
25. Maximum Pool Depth (d,_j) - feet
26. Ratio of Pool Depth to Average Bankfull Depth, (d./dw) 2.00 3.00 2.00 3.00 ;
27. Pool Width (wp,oi) - feet ,
28. Ratio of Pool {Afidth to Bankfull Width (wP,of /wbkf) 1.20 1.50 1.20 1.50
29. Pool Area (Ap.1) -square feet
30. Ratio of Pool Area to Barikfuil Area (Ap.,/A,,) 1.7 2.0 1.7 _ 2.0 "
31. Pool-to-Pool Spacing - feet
32. Ratio of Pool-to-Pool Spacing to Bankfull Width (p-p/wbkf) 1.0 4.0 2.0 5.0
33. Riffle Slope (4j (sr,ffO - feet per foot
34. Ratio of Riffle Slope to Average Slope (s,ftfi./ sbM) 1.2- 3.0 1.2 3.0
Q:\ActiveProjects\005-02100 Faust Site Enhancement\Design\Faust_design_parameters.xis, UT design param
0+00 to 1+20 Design
Min Max
E -
0.2
10.00
1.18
8.47 °. ;.
11.80
59 ? _
70
2.00
-1.69
1.0
2211 ?-100
2.20 5
N/A N/A
N/A N/A
58 - 60
5.80 6.00
-21-
2.1
1.67
0.0270
0.0162-
0.0000
0.00 "
2.25
1.91 ..
13.20
1.32
17.48
1.48
16.00 40.00
1.6 4.0
0.020
1.2
5/22/2008 @ 10:03 AM