20061376 Ver 1_More Info Received_20080523

M u L1 EY
Po Box 331 27
RALEIGH, NC 27636
PHONE: 919-B51-1912
FAx: 919-B51-1918
LETTER OF TRANSMITTAL
To: Cyndi Karoly
NC DENR/Division of Water Quality,
Wetlands Unit
1650 Mail Service Center,
Raleigh, NC 27699-1650
From: Harold Brady
[phone]
Re: Reinforced Earthen Slope Inspection
Report
I am sending you the following item(s):
Job No
Date
Oto - 1$1to
May 23, 2008
"HAND DELIVERY"
2007169.00
COPIES DATE NO. DESCRIPTION
1 5/23/08 Reinforced Earthen Slope Inspection Report with 3
figures, engineer approval letter, and digital photos.

These are transmitted as checked below:
® As requested
? For approval
? For review and comment
Remarks:
? For your use
? For Signatures
0 r=1 (7-
MAY 2 3 2008 u
DENR - WATER QUAU1?'
WETLANDS AND STORMWATER BRANCH
Ms. Karoly,
Enclosed is the Reinforced Earthen Slope Inspection Report for the past year. This represents the first
annual report of the required three.
Harold Brady
RR@99W[RR
DENR • WATER QUAD 1'w
WETLANDS AND STORMWATER BRANCH
MuLKEY
May 23, 2008
Ms. Cyndi Karoly
NCDENR/Division of Water Quality
Wetlands Unit
1650 Mail Service Center
Raleigh, NC 27699-1650
Re: Annual Inspection of the Reinforced Earthen Slope on the Novartis V&D campus in Holly
Springs, Wake County, North Carolina (DWQ Project # EXP 06-1376)
Dear Ms. Karoly:
Mulkey Engineers & Consultants, Inc. (Mulkey) has been retained by Novartis Vaccines and
Diagnostics (Novartis) to prepare an annual report summarizing the inspection and maintenance
events associated with the south reinforced earthen slope structure from April 17, 2007 to May 12,
2008. The annual inspection reports are required by the North Carolina Division of Water Quality
(NCDWQ) Section 401 water quality certificate (DWQ Project # EXP 06-1376) issued for the
Novartis project on September 29, 2006. This report is meant to summarize observations, issues,
and maintenance conducted on a weekly basis since construction. Photos of the reinforced slope are
attached to this letter report.
A. Project Description
The south reinforced earthen slope is located on the southern side of the Novartis campus in Holly
Springs, North Carolina (Figures 1 and C JSK-8). It was built to minimize jurisdictional stream
impacts on the subject property where a vaccines manufacturing plant is currently under
construction. According to Qore Property Services (Qore), the slope was constructed utilizing
approved fill material placed in 9-inch lifts, with two rows of lifts comprising each row of metal
baskets (Figure 00-C-60-99-2). At the completion of each row, the top was dressed with topsoil to
ensure acceptable root growth from the sowed grass seed. This reinforced earthen slope was
completed and approved by Qore on April 3, 2007 (attached).
Weekly inspections of the reinforced earthen slope were conducted by Jacobs Engineering Qacobs)
beginning the week of April 16, 2007 and continuing to the present. These annual inspection reports
are required by the NCDWQ per special condition #8 in the water quality certificate issued on
September 29, 2006. This special condition requires that the structure be built per manufacturer's
guidelines and that inspections will occur (at a minimum) monthly for the first 6 six months and
quarterly thereafter for three years. Documentation during each inspection includes any structural
failings, significant mortality of cover vegetation, and descriptions of any repairs. NCDWQ has also
requested that photos taken at regular intervals be provided, along with the dates of all inspections.
B. Inspections
Below is an outline of minor issues that were observed and noted during the inspection events for
the past year according to inspection documentation provided by Jacobs. No issues were observed
and no significant rain events occurred during the weeks that are not referenced below.
May 21, 2007 - Additional matting was placed along the edges of the reinforced
slope up to the adjacent rip-rap channel.
June 3, 2007 - No issues were reported with the reinforced south slope following 1
MULKEY INC. 6750 TRYON ROAD CARY. NC 27511 PO BOX 33127 RALEIGH. NC 27636 PH: 919-051-1912 FAX: [phone] WWW.MULKEYINC.COM
May 23, 2008
Page 2
'/2 inches of rain.
• The site received 3 1/4 -inches of rain on June 28 and 29, 2007 with no issues
concerning the reinforced slope reported.
• July 18, 2007 - The berm at the top of the slope washed out resulting in an erosion
rut down the side of the slope. These issues were the result of a 2 5/8-inch rain
event (measured onsite) on July 17. As a result the berm was immediately repaired,
the rut was filled and the area reseeded.
• July 31, 2007 - Rip rap was placed along both sides of the reinforced slope after a 1
1/4-inch rain event on July 30 created a few areas of erosion.
• September 17, 2007 - The site received a 2'/4 -inch rain event with no issues on the
reinforced south slope.
• Over four days between September 24 through 27, 2007 the site received 4 1/4 -
inches of rain; however, no issues were reported for the reinforced slope on
September 27 from these large rain events.
• December 17, 2007 - The site received 1 '/z-inches of rain with no issues concerning
the reinforced slope reported.
• December 31, 2007 - The site received 2-inches of rain with no issues concerning
the reinforced slope reported.
• March 4, 2008 - The site received 1 inch of rain with no issues concerning the
reinforced slope reported.
• The site received 1 '/2-inch of rain on March 7 and 8, 2008 with no issues
concerning the reinforced slope reported.
• April 7, 2008 - Repairs (including the placement of rip-rap and matting) were made
to an eroded area immediately east of the reinforced south slope. This area of
erosion was caused by the 1-inch of rain received on April 5 and 6.
• The site received 2-inches of rain on April 20 through 22, 2008 with no issues
concerning the reinforced'slope reported.
• 1-inch of rain was reported for both weeks beginning April 5 and April 12, 2008
with no issues concerning the reinforced slope reported.
Due to the severe drought conditions experienced throughout 2007, achieving adequate grass seed
growth for the purposes of erosion control was extremely difficult. Major conventional reseeding
efforts on the south reinforced slope occurred on July 27 and September 21. These were
unsuccessful in generating enough grass to adequately avoid potential erosion issues due to the
combination of a lack of rain and hot conditions. Therefore, Novartis employed the use of a cotton
fiber mulch placed atop the ungermanated grass seed to help hold the moist content longer. This
seeding occurred on October 8, 2007 and was successful; thereby, avoiding any additional reseedings.
C. Conclusions
The inspection data from April 2007 through April 2008 demonstrates that though there have been a
few minor erosion issues there have been no major failings of the south reinforced earthen slope
structure. All issues have been dealt with and attended to immediately following observation, as is
protocol for all erosion issues on the Novartis project site. If you have any questions concerning this
inspection report regarding the south reinforced slope structure on the Novartis campus, please do
not hesitate to call me at [phone].
May 23, 2008
Page 3
Sincerely,
Harold M. Brady
Project Scientist
cc: Lee Willmon, Novartis - Holly Springs, NC
Amer Takieddine, Jacobs - Cinncinati, OH
Bill Jay, Jacobs - Holly Springs, NC
Attachments
Figure 1
Figure C JSK-8
Figure 00-C-80-99-02
Qore Approval Letter
Site Photography
Vicinity Map
Campus Site Plan
South Reinforced Slope Plan & Section
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N EMERYVILLE' CA 94608-2916

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(TEL) 510-923-3569
CONTACT: AMER TAKIEDDINE
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PROPERTY SCINCES
April 3, 2007
Jacobs Engineering
1880 Waycross Road
Cincinnati, OH 45240
Attention: Mr. Samuel Beach
Subject: Report of South Reinforced Earth Slope
Novartis USFCC Project Site
Jacobs Project No. 22C01 15A
PSA No. 22C01130-S90-0504, Task Order No. 04
Holly Springs, North Carolina
GORE Job No. R-2360-04; Report No. 126630
Dear Mr. Beach,
21ftwo
MAY23
!"#
2008
BRANC?j
RD
8
DENR - WATER QUAUTY
WETIANDS AND STORMWATER BRANCH
Representatives of QORE observed the construction of the south reinforced earth slope on a full-
time basis as the work progressed. Our scope of services entailed an evaluation of the soil
subgrades prior to fill placement, observation of the wire-basket placements, observation of the
geogrid placement, and in-place density testing of the fill materials. The structural fill materials were
generally placed in 9-inch lifts (two lifts per row of baskets) and the steps formed by the baskets
were topped with topsoil. Field reports were prepared on a daily basis as the work progressed and
these reports are submitted under separate cover.
In summary, it is our opinion that the work described above complies with the requirements of the
project Drawings and Specifications based on our professional judgment from field observations,
field tests, and limited laboratory tests conducted by QORE. One must not interpret our findings as
a guarantee of the entire work product.
Sincerely, ao, esa
QORE, INC.
SEAL
David T. Cunningham, PE
Senior Geotechnical Engineer=,%
; .G? ?`? QI ? map ??•?m
CU /???/111Itfl???,
Cc: Mr. Bill Jay
Thomas B. Baird, PE
Geotechnical Engineer
2521 Sehieffelin Road, Suite 128 1 Apex, North Carolina 27502 1919.363.9899 (p) 919.363.7916 (f)
Novartis South Reinforced Earthen Slope
Holly Springs, Wake County

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2.LL May 3, 2007 - Looking north from Temporary Sediment Trap 45 toward reinforced
slope.
Page 1 of 4
1. April 17, 2007 - Looking east toward recently constructed south reinforced slope.

Novartis South Reinforced Earthen Slope
Holly Springs, Wake County
3. June 7, 2007 - Looking north at the base of the reinforced slope.
Page 2 of 4
4. July 3, 2007 - Looking east toward reinforced slope.
Novartis South Reinforced Earthen Slope
Holly Springs, Wake County
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location of the former outfall for the french drain system.
Page 3 of 4
5. August 31, 2007 - Looking east toward reinforced slope.
Novartis South Reinforced Earthen Slope
Holly Springs, Wake County

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8. May 19, 2008 - Looking north toward rip-rap placed along edge of reinforced slope.
Page 4 of 4
7. February 18, 2008 - Looking northwest from rip-rap channel toward reinforced slope.