20081631 Ver 1_More Info Received_20081117

a-rF IDS- I t,,,31
Dmiller
8, Associates, PA
1000 Bearcat Way, Suite 103
Morrisville, NC 27560
[phone] (Office) [phone] (Fax)
November 11, 2008
Bennie S and Kristen Wallace
Attention: Bennie Wallace
7103 Plumleaf Road
Raleigh, NC 27613-7173
Phone: [phone]
Email: bennieAtapeandmedia.com
Re: Engineering Services - Temporary Stormwater Diversion u
Construction Observations
Wallace Residence - 5825 Sunset Lake Road N O V 1 7 2008
Holly Springs, NC
Project No.: 08-331-1022-00 DENR-WATER QUALITY
WETLANDS AND STORMWATER BRANCH
Mr. and Mrs. Wallace:
From 11-07-2008 through 11-10-2008, a representative of D. Miller & Associates, PA
(DMA) observed and documented the construction process during the installation of the temporary
stormwater diversion system at the above referenced site in general accordance with DMA Proposal
No. P08-331-0269R dated October 30, 2008 and authorized by signature on November 4, 200.
Photographs were taken for archival purposes and selected photos have been included in an
attachment to this letter.
During our first site visit, it was observed that the bottom of the slope was cleared of trees and
stumps. A woven geosynthetic fabric (SI Geosolutions 200ST) was observed to underlie the proposed
rip rap dissapator. Placement of rip rap was observed to be in progress adjacent to the stream. It was
also observed that one of the existing 24-inch diameter corrugated HDPE pipes was closed off as
recommended.
During the second site visit, it was observed that additional pipe sections were being added to
the one of the existing 24-inch diameter corrugated HDPE pipes. The lengthened pipe section was
observed being directed towards the rip rap dissapator at the toe of the slope.
On our third site visit, the 24-inch diameter corrugated HDPE pipe was observed in-place. It
was also observed that silt fencing was being installed on the slope and that seeding and straw
placement was in the process of being completed in the area around the rip rap dissapator.
Based on our observations, construction of the temporary stormwater bypass proceeded in
general accordance with the Off-site Strom Water Drainage Temporary By-pass plans prepared by
Piedmont Land Design, LLP signed and sealed on October 9, 2008.
Temporary Stormwater Diversion Construction Observations- 5828 Sunset Lake Road
November 11, 2008
Page 2 of 2
We appreciate the opportunity to assist you during this phase of the project. If you need
further assistance or additional information please do not hesitate to contact us.
J?tkl 11-11
Sincerely, X\16
,
D. Miller & Associates P`' ?` d • rA
- yr• r
Kevin P. Morrow, P.E. , ?5$`? Kelly P. Flanagan, P.E.
Senior Geotechnical Eng',t, ; Geotechnical Department Manager
0.
08-331-1022-00 fffr ?. ?g*.????
106 / F3/ 1,011.25-85.00 Discount = 926.??! I1 } 31',1
cc: Heather Keefer DOHS) - Post Office Box 8 Holly Springs, NC 27540
Rodney Campbell DOHS) - Post Office Box 8 Holly Springs, NC 27540
Amy Chapman (DWQ) -1650 Mail Service Center Raleigh, NC 27699-1650
Lauren Cobb (DWQ) - 1628 Mail Service Center Raleigh, NC 27699-1628
Bennie Wallace - 450 Colosado Dr Cedar Creek, TX 27612
David Lasley (Piedmont) -8522 -204 Six Forks Road Raleigh, NC 27615
Annette Lucas (DWQ) - 2321 Crabtree Blvd 9250 Raleigh NC 27604
Installation of rip rap dissapator pad.
Installation of rip rap dissapator pad.
24-inch diameter HDPE corrugated pipe terminating at rip rap dissapator.
Extending 24-inch diameter HDPE corrugated pipe.
Installation of silt fencing.
11/12/2008 11:17 FAX [phone] JARCO
[a 001/001
Iv.
S1' Geosolutions
/A
sr?i msa - - iraacw yea?w
Wayne
Jarco Supply
100 AG Drive
Youngsvilfe NC 27596
SOL: 80305898 PO;
This is to Certify that Product 200ST is a woven geotextile manufactured at one of the SI Corporations
facilities that has achieved ISO-900 certification for its systemic approach to quality will meet the following
certifiable minimum average values when tested in accordance with the proper ASTM te:;t methods. A
minimum average roll value is calculated as the mean minus two standard deviations, yielding a 97.5
percent confidence level.
PROPERTY TEST METHOD 'UNITS ENGLISH METRIC
Mass per Unit Area ASTM D-5261 oz/sy, (g/sm) 4,5 153
Thickness
Tensile Strength (Grab) ASTM D-5199
ASTM D-4632 mils (mm)
Ibs (N) 15 .
_ 200 x 200 ,38
890 x 890
Elongation ASTM D-4632 % 15 15
Wide Width Tensile
Wide Width Elongation ASTM-D4595
ASTM 04595 Ibs/ft (kN/m)
% 1440 x 1440
° 21 x 21
9
Puncture ASTM D-4833 Ibs (N) •100 445
-
Mullen Burst ASTM D-3786 psi (kPa) 450 ? _ 3102
Trapezoidal Tear ASTM D-4533 lbs (N) 75 x 75 334 x 334
UV Resistance ASTM-D4355 % 90 90
Apparent Opening Size (AOS) ASTM-D4751 US Std, Sieve (mm) N/A I NIA
Permittivity ASTM-04491 1/sec .07 •07
Permeability ASTM-D4491 cm/sec 0.004 0.004
Water Flow Rate ASTM-D4491 gpm/ff (I/min/rn? 6 1 244

Toni Ruppert
Ringgold Quality Lab
Quality Manager
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