20120077 Ver 1_More Info Received_20120531

Soil & Environmental Consultants, PA
11010 Raven Ridge Road Raleigh, North Carolina 27614 • Phone [phone] Fax [phone]
www SandEC com
May 31 2012
S &EC Project # 11575 P4
DWQ Project # 12 0077
Action ID SAW 2011 00318
NC Department of Environment and Natural Resources
Division of Water Quality (DWQ)
Wetlands Buffers Stormwater Compliance and Permitting Unit (WebSCaPe)
Attn Karen Higgins & Lauren Witherspoon
512 N Salisbury Street (91h floor) �a��
Raleigh NC 27604 �f
Copy U S Army Corps of Engineers (USACE) MAY 3 1 2012
Raleigh Regulatory Field Office
Attn Eric Alsmeyer L cENR
3331 Heritage Trade Drive Suite 105
Wake Forest NC 27587
Re Request for More Information Response
Del Webb Active Adult Community
Durham County NC
To Mrs Higgins & Mrs Witherspoon
The purpose of this letter is to respond to your Request for More Information letter dated
February 28 2012 The original questions /requests are copied below as they appear
within the letter and are then followed by a response It s important to note that in our
meeting on May 11 2012 we discussed additional Avoidance and Minimization for the
project Pulte Homes has worked on this and as a result has minimized permanent
impacts to important/perennial streams by 10 linear feet isolated wetland impacts by
0 115 acres and jurisdictional wetland impacts by 0 034 acres
Additional Information Requested
1 The applicant is seeking approval for impacts to 0 502 acre of isolated
wetlands while there is a total of only 0 523 acre of isolated wetlands on the
entire site Section D 1 a (Avoidance and Minimization) explains reasoning for
impacts associated with roads which accounts for only 0 06 acre of isolated
impacts Please explain how you are avoiding impacts associated with lot fill
For example it appears that W6 could be minimized by shifting lots
As noted above a meeting was held on May 11 2012 to discuss Avoidance and
Minimization for the project specifically additional minimization of the isolated wetland
impact areas In this meeting Randy King with Pulte Homes proposed to minimize
1

impacts within 6 of the 10 isolated wetland impact areas This effort required the
shifting of lots and roads and proposing the construction of some extremely high
retaining walls This minimization resulted in a reduction of 0 115 acres of isolated
wetland impact which brings the total proposed impacts to isolated wetlands from
0 502 acres to 0 387 acres Please see revised site plans and impacts exhibits
specifically sheet C530 and the revised pages 5 & 6 of the Pre Construction
Notification (PCN)
2 Impact A Provide a detail of the permanent stream impact (i a length of the
stream shaded /hatched) Will this activity result in temporary impacts? Also
it does not appear that the buffer impacts are quantified correctly on the
downstream portion of the pipe
Please see updated impact sheet C531 that clearly shows the extent of permanent
impacts and now includes proposed temporary impact both upstream and
downstream of the proposed crossing Within these temporary impact areas the
stream banks will be stabilized and the stream bed will be brought back to its original
elevation post construction In addition revised sheets 6 & 7of the PCN is attached
3 Impact B Will this be a temporary impact? Will the greenway trail utilize a pipe
of a bridge?
Please see updated impact sheet C531 that clearly shows that the proposed
greenway trail will utilize a bridge Therefore the sanitary sewer and greenway with
bridge will only require temporary impacts
4 S7 Will this require a dissipater pad? Will this activity result in temporary
stream impacts?
Yes this impact will require a dissipater pad and temporary stream impacts Please
also note that additional minimization is proposed at this proposed crossing now
making the proposed permanent stream impacts 240 linear feet vs 250 linear feet
Please see updated impact sheet C534 and revised sheets 6 & 7 of the PCN
5 Please provide a bridge detail for the stream crossings along the greenway
Please see bridge detail (sheet C807) for bridged greenway crossings
6 PCN page 6 indicates that W13 proposed 0 012 acres of wetland impact but
map (C529B) indicates 0 008 acre (with conversion from square feet)
Please see the revised sheets 5 & 6 of the PCN and sheet C529B of the impact
exhibits impact W13 has been omitted from the proposed site plan
7 Please provide all of the required items for each proposed level spreader as
listed on the LS VFS Supplement Form, including plans plan details section
views construction sequences and operation and maintenance agreements
As per an email from Annette Lucas on May 18 2012 (see attached) the applicant
requests a conditional 401 allowing Pulte Homes to provide a copy of the Approved
Stormwater Plans from the City of Durham (including level spreader plans) before
2

any phase of the Del Webb project commences Please note that conceptual
information has been provided within the attached Phase 1 Initial Development
package that includes the level spreader worksheets and checklist items for Phase 1
of the proposed development In addition two copies of a conceptual stormwater
management plan has been provided for the future portions of the project please
see the attached Del Webb Future Development package which should include a) A
depiction of the drainage areas on the site b) An estimation of the percentage
imperviousness associated with each of the drainage areas c) A calculation of the
water quality volume associated with each drainage area and d) A depiction of the
proposed BMP on the site plan that is correctly sized based on the water quality
volume
8 The BMP Manual requires a LS VFS at the outlets of a BMP only if it does not
achieve 30'/ removal of total nitrogen and total phosphorus In Durham's
highly erodible soils it may be preferable to discharge appropriately treated
stormwater directly adjacent to the receiving stream than risk the possibility of
erosion in the protected stream buffer downslope of the LS -VFS
This request was sent to Mr Marvin Williams the Director of Public Works for the City
of Durham and was denied Mr Williams indicates that the City has more stringent
rules than the DWQ and therefore should not be a problem It is within the City s
UDO that the level spreaders are required Please see the attached email from Mr
Marvin Williams
We anticipate that this answers all of the DWQ s questions in order to complete the final
review process requested for the written concurrence of Water Quality Certification(s)
3884 3886 & 3890 and a No Practical Alternatives review for a Riparian Buffer
Authorization If you have any further questions or any additional explanation is needed
please don t hesitate to call
Sincerely
SOIL & ENVIRONMENTAL CONSULTANTS PA
&UZ2
Debbie Edwards
Environmental Specialist
Attachments
1) Additional Stream Impact Justification dated May 22 2012
2) Revised PCN sheets 5 6 7 8 9 & 10 (Updated 05 29 12)
3) Revised Del Webb Updated Parallel Buffer Impact Table dated May 30 2012
4) Annette Lucas Email dated May 18 2012
5) Marvin Williams Email dated October 6 2011
6) Updated Mitigation Acceptance letter from EBX for additional Riparian Buffer Impacts
7) Revised Overall Site Plan Index Sheet C520
8) Revised Existing Conditions & Proposed Conditions Impact Key Index sheets C521
C528
9) Revised Impact Exhibits sheets C529A C537
10) Bridge Detail sheet C807
11) Phase 1 Initial Development Package Level Spreader Worksheets & checklist items
12) Del Webb Future Development package Conceptual SMP for future phases
3

Del Webb - Active Adult Community
Additional stream Impact Justification
May 22, 2012
In general permanent impacts to jurisdictional streams have been avoided on this project
Durham originally wanted two north south collector roads in this area and Pulte Homes was
able to get Durham to agree to require only one due to anticipated stream impacts for the
entire project However where stream crossings are necessary for roads utilities and /or
greenways impacts have been minimized by proposing the following
• Crossing in the higher reaches of the stream systems therefore impacting the
unimportant/ intermittent vs important /perennial portions of the streams
• Proposing retaining walls versus fill slopes to minimize the length of stream impacts
• Skewing the culvert to align with the downstream receiving waters
• Proposing rip rap outlet protection to minimize erosion at the outlet of the culvert
Specific Avoidance and Minimization measures include
Stream Crossing S1 (A)
Crossing of this intermittent stream is proposed with a 72 pipe culvert Retaining walls are
proposed on the upstream and downstream ends of the culvert to reduce the length of impact
Rip Rap outlet protection is proposed at the outlet to minimize erosion of the downstream
channel and channel banks
Alternative that were considered but not selected include
An alternative that was considered included an arch pipe however the amount of cover
between the top of the arch and the proposed road would not be sufficient to accommodate
required utilities To address this would result in raising the road resulting in a longer structure
and potentially more stream impacts Cost of the arch culvert was also prohibitive
Consideration of a bridge structure was cost prohibitive
Stream Crossing S3 (C)
Crossing of this intermittent stream is proposed with a 42 pipe culvert This crossing is
proposed in a portion of the stream that is currently used by the Utility Company (Progress
Energy) to maintain the overhead transmission lines This area of the stream is within the
power line easement and has been degraded due to the crossing by heavy equipment the
power company's vegetation management program and the resultant erosion

Del Webb - Active Adult Community May 22, 2012
The proposed residential project proposes to construct a gravel greenway trail within the
easement and to install an underground sanitary sewer force main pipe These facilities will
need to cross the stream A culvert is proposed to be installed within the currently degraded
part of the stream to allow the trail to cross This trail will be constructed in a manner that will
accommodate the power company maintenance vehicles thereby reducing their future impacts
to the stream Additionally the sanitary sewer crossing would be located within the footprint
of the proposed permanent stream crossing It is believed that this solution would not only
improve this area but would result in minimal adverse impacts to the aquatic environment
Alternatives that were considered but not selected include
One option that was considered included routing the sanitary sewer and greenway trail around
the head of the stream Although this alternate does not create a direct impact to the stream
it would still impact the upstream buffer would require a culvert dust upstream of the stream
start point and would not provide a solution to the ongoing stream impacts and erosion issues
by the power company maintenance equipment
Options such as an arch culvert were ruled out due to the weight and size of the power
company maintenance equipment
Stream Crossing S7 (H)
Crossing of this perennial stream is required by Durham as a north south Collector road
between Leesville Road and the Brier Creek /ACC Blvd Area The proposed stream crossing
consists of a Concrete Box Culvert with retaining walls on the upstream and downstream sides
The width of the three lane roadway was reduced to two lanes at the stream crossing to
minimize proposed stream and buffer impact The invert of the box culvert will be set below
the channel bed with a boulder sill at the downstream end to assist with the accumulation of
the natural stream bed substrate and promote aquatic life habitat and function
Alternatives that were considered but not selected include
One option that was considered but not selected included installing an arch culvert The
stream crossing is proposed within a segment of stream between two confluences of buffered
streams in order to avoid additional stream and buffer impacts There is a section of sinuous
stream within the proposed crossing area that would require the culvert to span approximately
50 This requirement makes an arch culvert impractical as they typically cannot exceed 45 of
span
Another option considered was a bridge As mentioned the span would need to exceed 50 in
width This makes the core slab construction impractical resulting in costly girder type

Del Webb - Active Adult Community
May 22, 2012
construction The horizontal and vertical curvature of the road also makes bridge construction
impractical Additionally if a bridge would be constructed Durham would likely request that it
span the proposed greenway trail as well Because of the sinuous nature of the stream this
would add approximately 40 additional feet to the width of the bridge span resulting in a
costly multi span structure
Temporary Impacts
The project is required to construct a Force Main along the main channel and gravity sanitary
sewer along the channels that bisect the site In order to accommodate development within
the uplands crossing the streams with utilities is necessary The alignment of the Force Main
and sanitary sewer system has been carefully designed to minimize the stream impacts
A public greenway is also required along the main channels that bisect the site The location of
the greenway system has been designed to be constructed within the corridor of the sanitary
sewer to minimize additional impacts Furthermore bridges are proposed at the crossings
resulting in overall less permanent impacts to streams

UPDATED 05 -29 -12
C Proposed Impacts Inventory
1 Impacts Summary
la Which sections were completed below for your project (check all that apply)
® Wetlands ® Streams tributaries ® Buffers
❑ Open Waters ❑ Pond Construction
2 Wetland Impacts
If there are wetland impacts proposed on the site then complete this question for each wetland area impacted
2a
2b
2c
2d
2e
2f
Wetland impact
Type of jurisdiction
number — Permanent
Type of impact
Type of wetland
Forested
(Corps 404 10
Area of impact
P or Temporary T
if known
DWQ — non404 other
acres
W1 ®P ❑ T
Lot Fill
ISOLATED
® Yes
❑ No
❑ Corps
® DWQ
0 017
W2 ®P ❑ T
Lot Fill
ISOLATED
® Yes
❑ No
❑ Corps
® DWQ
0 015
W3 ®P ❑ T
Road
ISOLATED
® Yes
❑ No
❑ Corps
® DWQ
0 048
W3 ®P ❑ T
Lot Fill
ISOLATED
® Yes
❑ No
❑ Corps
® DWQ
0 162
W 4A ®P ❑ T
Lot Fill
ISOLATED
® Yes
❑ No
❑ Corps
® DWQ
0 006
W 4B ®P ❑ T
Lot Fill
ISOLATED
® Yes
❑ No
❑ Corps
® DWQ
0 002
W5 ®P ❑ T
Force Main
Easement &
ISOLATED
® Yes
❑ No
❑ Corps
DWQ
0 009
Greenway
W6 ®P ❑ T
Road
ISOLATED
® Yes
E] No
❑ Corps
®DWQ
0 007
W6 ®P ❑ T
Lot Fill
ISOLATED
® Yes
❑ No
❑ Corps
® DWQ
0 025
W7 ®P ❑ T
Lot Fill
ISOLATED
® Yes
❑ No
❑ Corps
® DWQ
0 019
W 8A ®P ❑ T
Road
Headwater
® Yes
® Corps
0 015
Wetland
❑ No
❑ DWQ
W 8A ®P ❑ T
Lot Fill
Headwater
® Yes
® Corps
0 039
Wetland
[:1 No
[I DWQ
W 88 ®P ❑ T
Lot Fill
Headwater
® Yes
® Corps
0 047
Wetland
❑ No
❑ DWQ
W9 ®P ❑ T
Lot Fill
ISOLATED
® Yes
❑ No
❑ Corps
® DWQ
0 019
W10 ®P ❑ T
Road
ISOLATED
® Yes
❑ No
❑ Corps
® DWQ
0 004
W10 ®P ❑ T
Lot Fill
ISOLATED
® Yes
❑ No
❑ Corps
® DWQ
0 015
W11 ®P ❑ T
Road
Headwater
® Yes
® Corps
0 0003
Wetland
❑ No
[:1 DWQ
W11 ®P ❑ T
Lot Fill
Headwater
® Yes
® Corps
0 013
Wetland
❑ No
E] DWQ
W12 ®P ❑ T
Lot Fill
ISOLATED
® Yes
❑ No
❑ Corps
® DWQ
0 039
Page 5 of 14
PCN Form — Version 1 3 December 10 2008 Version

UPDATED 05 -29 -12
W13 ❑ P ❑ T
OMITTED
❑ Yes
❑ No
❑ Corps
❑ DWQ
OMITTED
W14 ❑PET
Force Main
Impounded
Wetland
E Yes
❑ No
E Corps
❑ DWQ
0 273
2g Total wetland impacts
0 774
2h Comments
Of the 0 774 acres of proposed wetland impacts 0 387 acres are ISOLATED WETLANDS and 0 387 are
JURISDICTIONAL WETLAND IMPACTS Of the 0 387 acres of JURISDICTIONAL WETLANDS 0114 is permanent
3 Stream Impacts
If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site then complete this
question for all stream sites impacted
3a
3b
3c
3d
3e
3f
3g
Stream impact
Type of impact
Stream name
Perennial
Type of jurisdiction
Average
Impact
number Permanent
(PER) or
(Corps 404 10
stream
length
(P) or Temporary (T)
intermittent
DWQ — non -404
width
(linear
(INT)?
other)
(feet)
feet)
S1 ( A ) E P ❑ T
Road Crossing
g
T to Little
Brier Creek
E] PER
E INT
E Corps
❑ DWQ
11
178
S1 (A) ❑ PET
Road Crossing
(Construction
UT to Little Bner
❑ PER
E Corps
11
37
Corridor)
Creek
E INT
❑DWQ
S2 (B) ❑PET
Sanitary Sewer/
UT to Little Brier
E PER
E Corps
11
45
Greenway
Creek
❑ INT
❑ DWQ
S3 (C) E P ❑ T
Road Crossing/
UT to Little
❑ PER
E Corps
22
84
Greenway
Brier Creek
E INT
❑ DWQ
Road Crossing/
S3 (C) ❑ P E T
Greenway
UT to Little Brier
[]PER
E Corps
22
20
(Construction
Creek
E INT
❑ DWQ
Corridor)
S4 (D) ❑ P E T
Sanitary Sewer
UT to Little Brier
E PER
E Corps
10
37
Creek
❑ INT
❑ DWQ
S5 (F) ❑ P E T
Aerial Sanitary
Sewer/
UT to Little Brier
E PER
E Corps
6
40
Greenway
Creek
El INT
❑DWQ
S6 (G) El E T
Aerial Sanitary
Sewer/
UT to Little Brier
E PER
E Corps
8
36
Greenway
Creek
❑INT
❑DWQ
S7 ( H ) E P E] T
Road Crossing
g
T to Little
Baer Creek
E PER
❑ INT
E Corps
❑ DWQ
18
240
S7 (H) ❑ P E T
Road Crossing
(Construction
UT to Little Brier
E PER
E Corps
18
32
Corridor)
Creek
❑ INT
❑ DWQ
S8 (I) ❑ P E T
Sanitary Sewer
UT to Little Brier
ED PER
E Corps
6
31
Creek
❑ INT
❑ DWQ
S9 (J) ❑PET
Sanitary Sewer/
UT to Little Brier
E PER
E Corps
12
40
Greenway
Creek
❑ INT
❑ DWQ
S10(K) ❑PET
Sanitary Sewer/
UT to Little Bner
E PER
E Corps
19
33
Greenway
Creek
[]INT
❑ DWQ
S11 (M) ❑ P E T
Sanitary
UT to Little Baer
E PER
E Corps
16
56
Sewer /Force Main
Creek
❑ INT
❑ DWQ
S12 (N1) ❑ P ❑ T
OMITTED
❑ PER
E INT
E Corps
❑ DWQ
OMITTED
OMITTED
S13 (N2) ❑ P ❑ T
OMITTED
E PER
E Corps
OMITTED
OMITTED
Page 6 of 14

UPDATED 05 -29 -12
Page 7 of 14
❑ INT
❑ DWQ
S14 (FM1) ❑ P ® T
Force Main
Lick Creek
® PER
❑ INT
® Corps
❑ DWQ
27
30
3h Total stream and tributary impacts
939
31 Comments
Of the 939 linear feet of proposed stream impacts 240 are proposed as permanent/perennial 262 are proposed
permanent/intermittent 380 are proposed temporary/perennial and 57 are proposed temporary/intermittent
4 Open Water Impacts
If there are proposed impacts to lakes ponds estuaries tributaries sounds the Atlantic Ocean or any other open water of
the U S then individ ally list all open water im acts below
4a
4b
4c
4d
4e
Open water impact
Name of waterbody
number —
(if applicable)
Type of impact
Waterbody type
Area of impact (acres)
Permanent (P) or
Temporary T
01 ❑P ❑T
02 ❑P ❑T
0 Total open water impacts
4g Comments
5 Pond or Lake Construction
If pond or lake construction proposed then coin lete the chart below
5a
5b
5c
5d
5e
Wetland Impacts (acres)
Stream Impacts (feet)
Upland
Pond ID
Proposed use or purpose of
(acres)
number
pond
Flood
ed
Filled
Excavated
Flooded
Filled
Excavated
Flooded
P1
P2
5f Total
5g Comments
5h Is a dam high hazard permit required
❑ Yes ❑ No If yes permit ID no
51 Expected pond surface area (acres)
5j Size of pond watershed (acres)
5k Method of construction
Page 7 of 14

UPDATED 05 -29 -12
6 Buffer Impacts (for DWQ)
If project will impact a protected riparian buffer then complete the chart below If yes then individually list all buffer impacts
below If any impacts require mitigation then you MUST fill out Section D of this form
6a
® Neuse ❑ Tar Pamlico ❑ Other
Project is in which protected basin?
❑ Catawba ❑ Randleman
6b
6c
6d
6e
6f
6g
Buffer impact
number —
Reason for impact
Buffer
Zone 1 impact
Zone 2 impact
Permanent (P) or
Stream name
mitigation
(square feet)
(square feet)
Temporary T
required?
61 (A) ® P ❑ T
Road Crossing
UT to Little Brier
Creek
®❑ No
9 601
5 702
B2 (B) ❑ P ® T
Gravity
UT to Little Brier
❑ Yes
2 687
1 719
Sewer /Greenway
Creek
® No
B3 (C) ® P ❑ T
Road
UT to Little Brier
❑ Yes
5 584
2 899
Crossing /Greenway
Creek
® No
B4 (D) ❑ P ® T
Gravity Sewer
UT to Little Brier
Creek
® Nos
2045
1 249
B5 (E) ® P ❑ T
Road Crossing
UT to Little Brier
Creek
®❑ Nos
12 913
7176
B6 (F) ❑ P ® T
Gravity
UT to Little Brier
❑ Yes
2 584
2 485
Sewer /Greenway
Creek
® No
B7 (G) ❑ P ® T
Gravity
UT to Little Brier
❑ Yes
2 235
1 504
Sewer /Greenway
Creek
® No
B8 (H) ® P ❑ T
Road Crossing
UT to Little Brier
Creek
❑® No
15 497
13 088
B9 (I) ❑ P ® T
Gravity Sewer
UT to Little Brier
Creek
® Nos
2061
1 386
B10 (J) ❑ P ® T
Gravity
UT to Little Brier
❑ Yes
2 602
1 755
Sewer /Greenway
Creek
® No
611 (K) ❑ P ® T
Gravity Sewer /Force
UT to Little Brier
❑ Yes
2 450
1 635
Main /Greenway
Creek
® No
B12 (M) ❑ P ®T
Gravity Sewer /Force
UT to Little Brier
El Yes
3 512
2 811
Main
Creek
® No
B13 (N1) ❑ P ® T
OMITTED
❑ Yes s
OMITTED
OMITTED
B14 (N2) ❑ P ® T
OMITTED
EI Yes s
OMITTED
OMITTED
1315 (FM1)
❑ P ®T
Force Main
Lick Creek
® Nos
1998
1 484
PARALLEL
® Yes
BUFFER
Parallel
UT to Little Brier
Zone 1
IMPACTS See
Uhhty /Greenway
Creek or Brier
only
13 582
89 411
Attached Table
Creek
❑ No
®P ®T
6h Total buffer impacts
79 351
134 304
61 Comments The above listed riparian buffer impacts B1 B15 are the proposed perpendicular crossings (I e
road /utdrty /greenway) through the riparian buffer the last row on this table is a total of the parallel riparian buffer
impacts from attached table Totals that are bold require buffer mitigation
Page 8 of 14

D
Impact Justification and Mitigation
1
Avoidance and Minimization
la
Specifically describe measures taken to avoid or minimize the proposed impacts in designing project
Please see attached Avoidance and Minimization
1 b
Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques
Erosion & Sediment Control plan and measures such as Tree Protection Fencing to protect water quality during
construction activities
2
Compensatory Mitigation for Impacts to Waters of the U S or Waters of the State
® Yes ❑ No
Compensatory Mitigation proposed for all permanent
stream impacts which total 502 linear feet The USA CE
will require a 2 1 mitigation ratio for the
►mportant(perenn►al stream impacts which total 480
2a
Does the project require Compensatory Mitigation for
linear feet and the NCDWQ will require a 1 1 mitigation
impacts to Waters of the U S or Waters of the State?
ratio on all permanent stream impacts with total 502
linear feet As such the proposed 502 linear feet of
compensatory mitigation should cover both the USA CE
and the NCDWQ requirements In addition
compensatory mitigation will be required for the
permanent impacts of 0 11 acres of non npanan
wetlands and 77 559 ftz of riparian buffers
2b
If yes mitigation is required by (check all that apply)
® DWQ ® Corps
® Mitigation bank
2c
If yes which mitigation option will be used for this
® Payment to in lieu fee program
project
❑ Permittee Responsible Mitigation
3
Complete if Using a Mitigation Bank
3a
Name of Mitigation Bank EBX Neuse Riparian Buffer Umbrella Mitigation Bank/Rudolph Site and Wildlands Engineering
Wildlands Southeast Holdings/ LLC
3b
Credits Purchased (attach receipt and letter)
Type Stream & Buffer
Quantity 502 Stream & 193 728
Buffer
Page 9 of 14
PCN Form — Version 1 3 December 10 2008 Version

3c Comments Reservation of credits from two different mitigation banks required to meet compensatory mitigation
requirements
4 Complete if Making a Payment to In lieu Fee Program
4a Approval letter from in lieu fee program is attached
® Yes
4b Stream mitigation requested
0 linear feet
4c If using stream mitigation stream temperature
❑ warm ❑ cool ❑cold
4d Buffer mitigation requested (DWQ only)
0 square feet
4e Riparian wetland mitigation requested
0 acres
4f Non riparian wetland mitigation requested
0 12 acres
4g Coastal (tidal) wetland mitigation requested
0 acres
4h Comments Email provided by EBX indicating total wetland credits needed for project are not available through
mitigation bank
5 Complete if Using a Permittee Responsible Mitigation Plan
5a If using a permittee responsible mitigation plan provide a description of the proposed mitigation plan
6 Buffer Mitigation (State Regulated Riparian Buffer Rules) — required by DWQ
6a Will the project result in an impact within a protected riparian buffer that requires
buffer mitigation?
® Yes ❑ No
6b If yes then identify the square feet of impact to each zone of the riparian buffer that requires mitigation Calculate the
amount of mitigation required
Zone
6c
Reason for impact
6d
Total impact
(square feet)
Multiplier
6e
Required mitigation
(square feet)
Zone 1
Road Crossings A E & H
and Parallel Utility Impacts
to Zone 1
51 593
3 (2 for Catawba)
154 779
Zone 2
Road Crossings A E & H
25 966
1 5
38 949
6f Total buffer mitigation required
193 728
6g If buffer mitigation is required discuss what type of mitigation is proposed (e g payment to private mitigation bank
permittee responsible riparian buffer restoration payment into an approved in lieu fee fund)
Payment into a private mitigation bank please see Section D 3 and attached credit reservation letters from EBX and
W►Idlands Engineering
6h Comments
Page 10 of 14

Del Webb UPDATED Parallel Buffer Impact Table May 30 2012
6b
6c
6d
6e
6f
6g
Buffer impact
number —
Reason for impact
Buffer
Zone 1 impact
Zone 2 impact
Permanent (P) or
Stream name
mitigation
(square feet)
(square feet)
Temporary T
required?
61 ®P ❑ T
Parallel Utility
Little Brier
Creek
® Yes
E] No
56
0
B2 ® P ❑ T
Parallel Utility
Little Brier
Creek
10 Nos
130
0
B3 ❑ P ® T
Parallel Utility
Little Brier
Creek
® Yes
os
0
14 027
64 ®P ❑ T
Parallel Utility
Little Brier
Creek
® Yes
E] No
254
0
B5 ® P ❑ T
Parallel Utility
Little Brier
Creek
❑® Nos
29
0
B6 ❑ P ®T
Parallel Utility
Little Brier
Creek
® Nos
0
7 712
B7 ®P ❑ T
Parallel Utility
Little Bner
Creek
a Nos
115
0
68 ®P ❑ T
Parallel Utility
Little Brier
Creek
® Yes
E] No
138
0
B9 ®P ❑ T
Parallel Utility
Little Bner
Creek
®❑ Nos
23
0
B10 ®P ❑ T
Parallel Utility
Little Brier
Creek
®❑ Nos
2
0
B11 ❑ P ❑ T
OMITTED
El Yes s
0
OMITTED
612 []POT
Parallel
Little Brier
El Yes
0
8 363
Utility /Greenway
Creek
® No
B13 ❑ P ®T
Parallel
Little Brier
❑ Yes
0
1 925
Utility/Greenway
Creek
® No
B14 ❑ P ® T
Parallel Utility
Little Bner
Creek
® Yes
os
0
2 940
B15 ❑ P ®T
Parallel
UT to Little Bner
❑ Yes
0
803
Utility/Greenway
Creek
® No
B16 ❑ P ® T
Parallel
UT to Little Brier
❑ Yes
0
2043
Utility/Greenway
Creek
® No
B17 ❑ P ®T
Parallel
UT to Little Brier
❑ Yes
0
2 463
Utility/Greenway
Creek
® No
B18 ❑ P ®T
Parallel
UT to Little Bner
❑ Yes
0
3 116
Utility/Greenway
Creek
® No
B19 ❑ P ® T
Parallel
UT to Little Brier
❑ Yes
0
1 534
Utility /Greenway
Creek
® No
B20 ❑ P ® T
Parallel
UT to Little Brier
❑ Yes
0
365
Utility /Greenway
Creek
® No
B21 ❑ P ®T
Parallel
UT to Little Brier
❑ Yes
0
591
Utility/Greenway
Creek
® No
B22 ❑ P ® T
Parallel Utility
UT to Little Brier
® Yes
0
493
Creek
os
B23 ❑ P ® T
Parallel Utility
UT to Little Bner
® Yes
0
1 757
Creek
os
B24 ❑ P ® T
Parallel Utility
UT to Little Brier
® Yes
0
5 154
Creek
os
Page 1

Del Webb UPDATED Parallel Buffer Impact Table May 30 2012
B25 ® P ❑ T
Parallel
UT to Little Brier
® Yes
15
0
Utility /Greenway
Creek
❑ No
B26 ❑ P ® T
Parallel
UT to Little Brier
❑ Yes
0
11 426
Utility/Greenway
Creek
® No
B27 ® P ❑ T
Parallel
UT to Little Brier
® Yes
690
0
Utility/Greenway
Creek
❑ No
B28 ® P ❑ T
Parallel
UT to Little Brier
® Yes
784
0
Utility/Greenway
Creek
❑ No
B29 ® P ❑ T
Parallel
UT to Little Brier
® Yes
18
0
Utility/Greenway
Creek
❑ No
B30 ❑ P ®T
Parallel
UT to Little Brier
❑ Yes
0
547
Utility/Greenway
Creek
® No
B31 ❑ P ®T
Parallel
UT to Little Brier
❑ Yes
0
18
Utility/Greenway
Creek
® No
B32 ❑ P ® T
Parallel
UT to Little Brier
❑ Yes
0
218
Utility/Greenway
Creek
® No
B33 ❑ P ® T
Parallel
UT to Little Brier
❑ Yes
0
3 281
Utility/Greenway
Creek
® No
B34 ❑ P ® T
Parallel Utility
UT to Little Bner
®
0
5 584
Creek
No
B35 ® P ❑ T
Parallel Utility
UT to Little Brier
40
0
Creek
No
B36 ❑ P ® T
Parallel Utility
UT to Little Brier
®Nos
0
2014
Creek
B37 ❑ P ® T
Parallel Utility
UT to Little Brier
® Nos
0
557
Creek
B38 ❑ P ® T
Parallel Utility
UT to Little Bner
® Nos
0
1 362
Creek
B39 ❑ P ® T
Parallel Utility
UT to Little Brier
® Nos
0
414
Creek
B40 ❑ P ® T
Parallel Utility
UT to Little Brier
® Nos
0
1 190
Creek
B41 ❑ P ® T
Parallel Utility
UT to Lick
® Nos
0
729
Creek
B42 ❑ P ® T
Parallel Utility
UT to Lick
® Nos
0
2 241
Creek
B43 ❑ P ® T
Parallel Utility
UT to Lick
Creek
El Yes
0
65
B44 ❑ P ® T
Parallel Utility
UT to Lick
Creek
No
9 623*
0
B45 ❑ P ®T
Parallel Utility
UT to Lick
® Nos
0
251
Creek
B46 ❑ P ® T
Parallel Utility
UT to Lick
Creek
Nos
1 665*
0
B47 ❑ P ® T
Parallel Utility
UT to Lick
Creek
® Nos
0
1 866
B48 ❑ P ®T
Parallel Utility
UT to Lick
® Yes
0
2 223
Creek
s
B49 ❑ P ® T
Parallel Utility
UT to Lick
Creek
® Yes s
0
2 139
6h Total buffer impacts
13 582
89 411
*New re alignment of offsite Force Main and Gravity Sewer impacts
Page 2

Debbie Edwards
From Randy King < Randy King @PulteGroup com>
Sent Friday May 18 2012 10 54 AM
To Debbie Edwards
Subject FW 12 0077 Del Webb Active Retirement Community
Horvath will be assembling this info
From Lucas, Annette [mailto annette lucas @ncdenr gov]
Sent Friday, May 18, 2012 10 43 AM
To Randy King
Cc Mcmillan, Ian, Witherspoon, Lauren, Higgins, Karen Strickland, Bev
Subject 12 0077 Del Webb Active Retirement Community
Randy —
Good to talk to you today As we discussed we II issue you a 401 that is conditional — saying you can commence each
phase after the DWQ has received the approved SW plan from the City of Durham (including the level spreader plans)
Then for the future portions of the site please provide a conceptual stormwater management plan for the project that
includes the following
a A depiction of the drainage areas on the site
b An estimation of the percentage imperviousness associated with each of the drainage areas
c A calculation of the water quality volume associated with each drainage area
d A depiction of a proposed BMP (state the type of BMP you plan to use) on the site plan that is correctly
sized based on the water quality volume
Let me know if you have any questions
Thanks
Annette
Annette M Lucas PE
Environmental Engineer
NCDENR I DWQ I Wetlands and Stormwater Branch
1650 Mail Service Center Raleigh NC 27699 1650 (Mail)
512 N Salisbury St Raleigh NC 27604 1 9th Floor (Location & Parcels)
Phone [phone] Fax [phone] Email Annette Lucas u,ncdenr gov
Website http / /portal ncdenrorV,/%veb/wq/swP/ws/401
`,A Before printing this email please consider your budget and the environment
E mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to
third parties
CONFIDENTIALITY NOTICE This email may contain confidential and privileged material for the sole use of the intended recipient(s) Any review use distribution
or disclosure by others is strictly prohibited If you have received this communication in error please notify the sender immediately by email and delete the
message and any file attachments from your computer Thank you

Debbie Edwards
From Randy King < Randy King @PulteGroup com>
Sent Wednesday May 30 2012 4 04 PM
To Debbie Edwards
Subject FW Del Webb Durham Stormwater Management
Attachments image001jpg
From Ron Horvath, PE Horvath Assoicates, PA [madto ron horvath @horvathassociates com]
Sent Thursday, October 06, 20116 35 PM
To Randy King
Subject Fw Del Webb Durham Stormwater Management
Not good news We will discuss Monday
From the Black Berry of
Ronald L Horvath, P E
Horvath Associates PA
919 490 4990 office
919 490 8953 fax
From "Williams Marvin" < Marvin Williams @durhamnc gov>
Date Thu 6 Oct 2011 16 20 35 0400
To <ron horvath@horvathassociates com>
Cc Joyner, Robert< Robert Joyner @durhamnc gov> Wiebke, Paul <Paul Wiebke @durhamnc gov >, Venable
Ed <Ed Venable @durhamnc gov> <lee murphy @horvathassociates com> Medlin
Steve< Steve Medlin @durhamnc gov>
Subject RE Del Webb Durham Stormwater Management
f3.Ti1
The City has taken the position that the use of level spreaders will be required at the end of a BMP to provide diffused
flow even when wetlands are utilized (our permit requires us to look beyond more than nutrient reduction when we
review this and we consider that this policy will reduce erosive velocities that cut new channels through the buffer in our
easily erodible soils) While the DWQ has chosen to set a minimal standard as stated in Ms Lucas email (and in LIDO
sections 8 5 2 and 8 5 4) the City has chosen to implement a more stringent requirement for this issue based on
additional concerns as stated above I cannot see how our implementation of a more stringent requirement is in conflict
with what is permitted within the UDO or by the State
In order to avoid the requirement of a level spreader you would need to formally submit a no practical alternatives
application for review However I am not aware of a situation where the requirement of a level spreader cannot be
accommodated Typically this is an issue of profit (and cost) for the developer and /or engineer which is not the top
priority for the City when implementing these requirements
Please call or email with any questions
Marvin G Williams

Director of Public Works
City of Durham
101 City Hall Plaza
Durham NC 27701
Phone [phone] ext 30225
www durhamnc qov
From Ronald L Horvath, PE Horvath Associates, PA [mailto ron horvath @horvathassociates com]
Sent Monday, October 03 2011 149 PM
To Williams Marvin
Cc Joyner, Robert, Wiebke, Paul, Venable, Ed, lee murphy @horvathassociates com
Subject FW Del Webb Durham Stormwater Management
Please note Annette's response to our inquiry about not using level spreader for stormwater
wetlands As I indicated, Durham Stormwater requirements exceed the state requirements and
appear to be in conflict with what is permitted by the UDO
Marvin, FYI Annette Lucas is the permitting arm of DWQ when it comes to stream and buffer
impacts Please advise is this is sufficient and whether we may proceed with our project
design without the need to incorporate level spreaders when wetlands are utilized
Best regards,
Ronald L Horvath P E
HORVATH ASSOCIATES, P A
16 CONSULTANT PLACE SUITE 201
DURHAM NORTH CAROLINA 27707
P 1919)490 -4990 F (919)490 -8953
www horvathassociates com
From Lucas, Annette [mailto annette lucas @ncdenr gov]
Sent Monday October 03, 2011 12 45 PM
To Randy King
Subject RE Del Webb Durham Stormwater Management
Randy
Good to hear from you
You are correct that the DWQ does allow the discharge from correctly designed stormwater wetlands and bioretention
cells to be channeled through protected stream buffers You are also correct that the DWQ requires the discharge from
wet detention ponds to be further treated by a level spreader or other device The City of Durham may have additional
requirements though — so you will want to check with them before you finalize your design
Good lucki
Annette
Annette M Lucas PE
Environmental Engineer
NCDENR I DWQ I Wetlands and Stormwater Branch

1650 Mail Service Center Raleigh NC 27699 1650 (Mail)
512 N Salisbury St Raleigh NC 27604 1 9f Floor (Location & Parcels)
Phone [phone] Fax [phone] Email Annette Lucas(u-),ncdenr gov
Websrte http / /portal ncdenr org /web /wq /sxNP /\&s /401
r.A Before printing this email please consider your budget and the environment
E mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to
third parties
From Randy King [madto Randy King @PulteGroup com]
Sent Thursday, September 29, 20116 04 PM
To Lucas, Annette
Subject Del Webb Durham Stormwater Management
Annette I hope you are doing well I wanted to clarify something from our July 251h presubmittal meeting for our Active
Adult community on Leesville Road in Durham This project is in the Neuse Basin and will be approximately 45%
impervious There will be minor wetland stream and buffer impacts that will require a 401 Certification
We discussed that the stormwater management devices proposed for this project will potentially consist of constructed
stormwater wetlands bioretention areas and perhaps a wet pond I want to confirm that DWQ currently allows the
discharge from the stormwater wetlands and bioretention basins to be piped or channeled through the stream buffer
rather than requiring diffuse flow via a level spreader outside of the buffer I understand that this is preferred for the
discharge from these devices due to the level of treatment that is provided by the stormwater wetland or bioretention
area
I understand that the discharge from a wet pond needs further treatment from a level spreader or other device prior to
discharge outside of the buffer
Please confirm that my understanding of these discharge requirements is correct so that we can proceed with our
design and prepare our permit submittals
Thank you for your help
Randy
*PulteGroup
RANDY KING P E
Land Planning and Entitlements Manager Raleigh Division
office direct [phone] cell [phone]
pultegroup com
1225 Crescent Green Drive
Suite 250
Cary North Carolina 27518

Forrest Creek Riparian Buffer Mitigation Bank
Rudolph Riparian Buffer Bank
Statement of Availability October 04 2011
NC Division of Water Quality U S Army Corps of Engineers
Ms Katie Merritt Mr Monti Matthews
401 Oversight /Express Permitting Unit CESAW RG R
1650 Mail Service Center Raleigh Regulatory Field Office
Raleigh NC 27699 1650 3331 Heritage Trade Center Suite 105
Wake Forest NC 27587
Re Project DEL WEBB DURHAM DEVELOPMENT
This document confirms that Pulte Group, Inc (Applicant) of the Del Webb Durham
Development has expressed an interest to utilize 512 Linear Feet of Stream Mitigation Credits
and 117,002 Square Feet of Riparian Buffer Mitigation Credits from a combination of the EBX
Neuse Riparian Buffer Umbrella Mitigation Bank /Rudolph Site and the Forest Creek Stream and
Riparian Buffer Mitigation Bank located in the Neuse HUC 03020201 As the Bank Sponsor
EBX EM LLC for the Forrest Creek Riparian Buffer Mitigation Bank (Bank) attests to the fact
that mitigation is available for transfer upon permit issuance
Banker will notify applicant if the 512 SMU and 117.002 Sa Ft of Mitigation become
considered At Risk of not being available prior to permit issuance Credits are not considered
secured until payment in full is received from the applicant resulting in the issuance of a Bill of
Sale and Affidavit of Sale by the bank acknowledging that the applicant has fully secured credits
from the bank and the Banker has accepted full responsibility for the mitigation obligation
requiring the credits /units
The Banker will issue the Affidavit of Sale within ten (10) days of receipt of the balance of the
Purchase Price Banker shall provide to Applicant with a copy of the Affidavit of Sale and a
documented copy of the debit of credits from the Bank Official Credit Ledger showing the
permit number and the resource type secured by the applicant A copy of the Affidavit of Sale
with an updated Official Credit Ledger will also be sent to regulatory agencies showing the
proper documentation
If any questions need to be answered please contact me at 239 872 1678
Best Regards
^44 kA,
Matthew R Fisher
EBX EM LLC
909 Capability Drive Suite 3100 Raleigh NC 27606

INDEX OF DRAWINGS:
C000 COVER SHEET
C520 OVERALL SITE PLAN INDEX SHEET
C521 EXISTING CONDITIONS: IMPACT KEY INDEX
C522 EXISTING CONDITIONS: IMPACT KEY INDEX
C522A EXISTING CONDITIONS: IMPACT KEY INDEX
C523 EXISTING CONDITIONS: IMPACT KEY INDEX
C524 EXISTING CONDITIONS: IMPACT KEY INDEX
C525 PROPOSED CONDITIONS: IMPACT KEY INDEX
C526 PROPOSED CONDITIONS: IMPACT KEY INDEX
C526A PROPOSED CONDITIONS: IMPACT KEY INDEX
C527 PROPOSED CONDITIONS: IMPACT KEY INDEX
C528 PROPOSED CONDITIONS: IMPACT KEY INDEX
C529A SANITARY SEWER EASEMENT -NEUSE BUFFER PARALLEL IMPACTS -
ZONE 1, ZONE 2
C529B SANITARY SEWER EASEMENT -NEUSE BUFFER PARALLEL IMPACTS -
ZONE 1, ZONE 2 AND WETLANDS IMPACT
C529C FORCEMAIN EASEMENT -NEUSE BUFFER IMPACTS -
ZONE 1, ZONE 2 TO EX BRIGHTLEAF PUMP STATION.
C530 NEUSE BUFFER IMPACT -AREA W (WETLANDS IMPACTS)
C531 NEUSE BUFFER IMPACT -AREA A, AREA B (PLAN & PROFILE)
C532 NEUSE BUFFER IMPACT -AREA C, AREA D (PLAN & PROFILE)
C533 NEUSE BUFFER IMPACT -AREA E, AREA F (PLAN & PROFILE)
C534 NEUSE BUFFER IMPACT -AREA G, AREA H (PLAN & PROFILE)
C535 NEUSE BUFFER IMPACT -AREA I, AREA J (PLAN & PROFILE)
C536 NEUSE BUFFER IMPACT -AREA K, AREA L (PLAN & PROFILE)
C537 NEUSE BUFFER IMPACT - OFFSITE AREA M (PLAN & PROFILE)
C539 OFFSITE WATERLINE EXTENSION IMPACT MAP
C7 OFFSITE WATERLINE CONNECTION (APPROVED BY OTHERS)
(USACE ACTION ID: SAW- 2009 - 00985)
C807 SITE DETAILS
PROFESSIONAL LAND SURVEYOR
MSS LAND CONSULTANTS, PC
WADE GOWERS
6118 SAINT GILES STREET, SUITE E
RALEIGH, N.C. 27612
(919) 510 -4464
e -mail: gowersw @mssland.com
NEUSE BASIN - STREAM /WETLAND /BUFFER IMPACT MAPS
DEL WEBB
DURHAM
LEESVILLE ROAD., DURHAM., NC
1
GEOTECHNICAL CONSULTANT
FROEHLING & ROBERTSON, INC
DAN SCHAEFER
310 HUBERT STREET
RALEIGH, N.C. 27603
(919) 828 -3441
e -mail: dschaefer @fandr.com
SUMMARY OF IMPACTS
PERMANENT CHANNEL IMPACTS
IMPORTANT / PERENNIAL STREAM 240 LF
IMPORTANT / PERENNIAL STREAM CHANNEL 4,624 SF (0.106 AC)
UNIMPORTANT / INTERMITTENT STREAM 262 LF
UNIMPORTANT / INTERMITTENT STREAM CHANNEL 4,006 SF(0.092 AC)
TEMPORARY CHANNEL IMPACTS
IMPORTANT / PERENNIAL STREAM
IMPORTANT / PERENNIAL STREAM CHANNEL
UNIMPORTANT / INTERMITTENT STREAM
UNIMPORTANT / INTERMITTENT STREAM CHANNEL
WETLAND IMPACTS
JURISDICTIONAL WETLANDS (TOTAL)
RESIDENTIAL LOTS:
RESIDENTIAL ROADS:
UTILITY EASEMENT:
ISOLATED WETLANDS (TOTAL)
RESIDENTIAL LOTS:
RESIDENTIAL ROADS:
UTILITY EASEMENT:
373 LF
4,923 SF (0.113 AC)
92 LF
1,678 SF (0.039 AC)
17,680 SF (0.406 AC)
4,356 SF (0.100 AC)
653 SF (0.015 AC)
11,917 SF (0.274 AC)
16,949 SF (0.389 AC)
13,952 SF (0.320 AC)
2,599 SF (0.060 AC)
398 SF (0.009 AC)
STREAM BUFFER IMPACTS
NEUSE BUFFER ZONE 1 IMPACTS (SF)
NEUSE BUFFER ZONE 2 IMPACTS (SF)
79,351 SF (1.822 AC)
134,404 SF (3.085 AC)
FUTURE OWNER / DEVELOPER
PULTE GROUP, INC
DEL WEBB
RANDY KING / CHRIS RAUGHLEY
1225 CRESCENT GREEN DRIVE - SUITE 250
CARY, N.C. 27518
(919) 816 -1100
e -mail: randy.king @pultegroup.com
e -mail: chris.raughley @pultegroup.com
ENGINEER /LAND PLANNER
HORVATH ASSOCIATES, PA
TIM SIVERS / RON HORVATH
16 CONSULTANT PLACE, SUITE 201
DURHAM, N.C. 27707
P (919) 490 -4990
F (919) 490 -8953
e -mail: tim .sivers @horvathassociates.com
e -mail: ron .horvath @horvathassociates.com
ENVIRONMENTAL CONSULTANT
SOIL AND ENVIRONMENTAL CONSULTANTS, PA
DEBBIE EDWARDS
11010 RAVEN RIDGE ROAD
RALEIGH, N.C. 27614
(919) 846 -5900
e -mail: dedwards @sandec.com
©COPYRIGHT 2012 THIS DOCUMENT AND THE DESIGN ARE THE PROPERTY OF HORVATH ASSOCIATES, P.A. ANY REPRODUCTION WITHOUT PRIOR WRITTEN CONSENT IS PROHIBITED
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HORVATH
A S S O C I A T E S
16 CONSULTANT PLACE, SURE 201
DURHAM, NORTH CAROLINA 27707
P 919.490.4990 F 919.490.8953
P.O. BOX 970
HARRISON, TENNESSEE 37341
P 423.266.4990
www.horvathassociates.com
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@COPYRIGHT 2011 THIS DOCUMENT AND THE DESIGN ARE THE PROPERTY OF HORVATH ASSOCIATES, P.A. ANY REPRODUCTION WITHOUT PRIOR WRITTEN CONSENT IS PROHIBITED
■
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H ORVATH
ASSOCIATE S
16 CONSULTANT PLACE, SUDTE 201
DURHAM, NORTH CAROLINA 27707
P 919.490.4990 F 919.490.8953
P.O. BOX 970
HARROSON, TENNESSEE 37341
P 423.266.4990
www.horvathassociates.com
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<IMPACT MAPS,

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16 CONSULTANT PLACE, SURE 201
DURHAM, NORTH CAROLINA 27707
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HORVATH
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©COPYRIGHT 2012 THIS DOCUMENT AND THE DESIGN ARE THE PROPERTY OF HORVATH ASSOCIATES, P.A. ANY REPRODUCTION WITHOUT PRIOR WRITTEN CONSENT IS PROHIBITED
HOIRVATH
A S S O C I A T E S
16 CONSULTANT PLACE, SUITE 201
DURHAM, NORTH CAROLINA 27707
P 919.490.4990 F 919.490.8953
P.O. BOX 970
HARRISON, TENNESSEE 37341
P 423.266.4990
www.horvathassociates.com
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HOIRVATH
A S S O C I A T E S
16 CONSULTANT PLACE, SUITE 201
DURHAM, NORTH CAROLINA 27707
P 919.490.4990 F 919.490.8953
P.O. BOX 970
HARRISON, TENNESSEE 37341
P 423.266.4990
www.horvathassociates.com
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H 00"' R V AT H
A S S a C 0 A T E S
16 CONSULTANT PLACE, SUITE 201
DURHAM, NORTH CAROLINA 27707
P 919.490.4990 F 919.490.8953
P.O. BOX 970
HARNSON, TENNESSEE 37341
P 423.266.4990
www.horvathassociates.com
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(4) 2 x 12 PT GIRDER
PIN: 0769 -0341 -8938 PIN: 0769 -03-41 -6932 PIN: 0769-03-414887 PIN: 0769-04-42-5588 PIN: 0769-03-44-6000 PIN: 0769-03 -33 -2232 PIN: 0769-03 -24 -8486 PIN: 0769 -03-05 -7254 PIN: 0769 -01-05 -3524 PIN: 0769 -01 -26 -9080 PIN: 0769 -01 -06 -9898
Parcel ID: 194413 Parcel ID: 194412 Parcel ID: 194411 Parcel ID: 194383 Parcel ID: 194384 Parcel ID: 193264 Parcel ID: 193265 Parcel ID: 210697 Parcel ID: 193271 Parcel ID: 193270 Parcel ID: 193320
2 x 6 PT DECKING
(2) 2 x 12 PT POST @ 16" O.C.
MIN. BEARING 2 1/4" W /HUS210 -2
HANGERS
SOLID BLOCKING BETWEEN
JOIST @ POST LOCATONS
1' -3"
10' -0" CLEAR
6' -0"
2 x 8 PT TOP PLATE @ 301
2 x 6 PT HORIZ. RAILING
4 x 6 PT POST @ 5-0" O.C. —
2 x 6 HANDRAIL W/
3/4" RADIUS
(2) 5/8" BOLTS
$" TIMBER PILE 0.$0 CCA
(
SIMPSON H2.5 (4) PER PILE PT (NO. 25R, WET)
FASTEN TO EACH SIDE OF
BEAM PER MANUFACTURER
R EC-)I 11 R F AA FNlC
1/2" CARRIAGE BOLTS
@ 24" O.C.
4 x 6 PT CURB
GIRDER
1 TYPICAL SECTION
0807 SCALE: N.T.S
NOTES:
1. ALL FASTENERS AND HANGERS TO BE HOT DIPPED
GALVANIZED (AT A MINIMUM)
2. ALL WOOD TO BE PRESSURE TREATED SOUTHERN YELLOW PINE
(SYP) NO. 2 OR HIGHER
3. PRESERVATIVE PRESSURE TREATMENTTO BE IN ACCORDANCE
WITH AWPA STANDARD M4 -06 & U1 -07. MINIMUM FOR
GROUND CONTACT FOR USE GROUP 4B PERSOUTHERN PINE
COUNCIL. ALL OTHER WOOD MEMBERS 0.40ACQ
4. FASTEN JOIST HAMGERS PER MAN U FACTU RER'S SPECIFICATONS:
(4) 1DD COMMON NAILS TO JOIST
(4) 1 DD COMMON NAILS TO BEAM
5. DESIGN CRITERIA PERAASHTO:
LIVE LOAD: 85 PSF
DEAD LOAD: 20 PSF
SNOW LOAD: 12 PSF
WINS SPEED: 100 MPH
HORIZONTAL WIND: 35 PSF
VERTICAL LOAD: 2500 LBS
6. PROVIDE SOLID BLOCKING BETWEEN JOISTATPOSTLOCAS11ONS
7. ECONOMIC SUBSTITUTES MUST BE APPROVED BY ENGINEERING
RECORD
8. CONCRETE, FC:3000PSI
s -�CURB / NO RAILING DETAIL
C8Q7 SCALE: N.T.S
NOTES:
30" MAX. TO GROUND / WATER SURFACE
WITHOUT RAILING
0
00
(2)2x12PTA
@ 16" O.C. Iv
W -1
(3) - 2 x12 BEAM
(3) - 1 DD NAILS
EACH JOIST
2 PLAN VIEW
C8Q7 SCALE: N.T.S
BRACING DETAIL
C� 8Q7% SCALE: N.T.S
N OTES:
BRACING REQUIRED WHERE BOTTOM OF
SUBSTRUCTURE IS 6-0" OR HIGHER ABOVE
GROUND LEVEL
DRAWINGS PROVIDED BY:
JEROME RUFARO REDMOND, PE
PRINCIPAL STRUCTURAL ENGINEER
8209A MARKET STREET SUITE 222
WILMINGTON, NC 28411
910-915-6529
J RU FARO @J R U FA ROA E.COM
OCOPYRIGHT 2012 THIS DOCUMENT AND THE DESIGN ARE THE PROPERTY OF HORVATH ASSOCIATES, P.A. ANY REPRODUCTION WITHOUT PRIOR WRITTEN CONSENT IS PROHIBITED
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A S S O C I A T E S
16 CONSULTANT PLACE,SUITE 201
DURHAM, NORTH CAROLINA 27707
P 919.490.4990 F 919.490.8953
P.O. BOX 970
HARRISON, TENNESSEE 37341
P 423.266.4990
www.horvathassociates.com
NORTH CAROLINA BOARD OF
EXAMINERS FOR ENGINEERS AND
SURVEYORS LICENSE NO.: C-0676
SITE DETAILS
CA R
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DRAWN BY: CHECKED BY:
LRS RHAS
DATE
APRIL 25, 2012
SCALE AS NOTED
PROJECT NO.
1121
SHEET NO.
C807
CONSTRUCTION DRAWINGS
PHASE 1
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SITE DETAILS
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DRAWN BY: CHECKED BY:
LRS RHAS
DATE
APRIL 25, 2012
SCALE AS NOTED
PROJECT NO.
1121
SHEET NO.
C807
CONSTRUCTION DRAWINGS
PHASE 1