WQCSD0694_Sewer System Evaluation_20200311

MIKE DOWD, PE

55 Broad Street
Asheville, NC 28801
828.252.0575
Firm License No.: C-0459

MARCH 2020

PROJECT NO. 19.00309
SEWER COLLECTION SYSTEM
EVALUATION

CHIMNEY ROCK VILLAGE

RUTHERFORD COUNTY, NORTH CAROLINA

Chimney Rock Village October 2019
Rutherford County, North Carolina Page i of ii
Sewer Collection System Evaluation
TABLE OF CONTENTS
INTRODUCTION ............................................................................................. 1
EXECUTIVE SUMMARY ................................................................................... 2
1.0 PROPOSED IMPROVEMENT PROJECTS .................................................. 3
2.0 PROJECT AREA...................................................................................... 4
3.0 DESCRIPTION OF EXISTING SEWER FACILITIES ...................................... 6
4.0 PROJECT ALTERNATIVES .................................................................... 10
5.0 RECOMMENDED CAPITAL IMPROVEMENTS ....................................... 10
6.0 PRIORITIZATION SCHEDULE ................................................................ 19
7.0 EVALUATION OF FUTURE OWNERSHIP AND MAINTENANCE COSTS .... 20
8.0 CONCLUSIONS AND RECOMMENDATIONS ......................................... 21
TABLES

Table 1.1 – Recommended Sewer System Improvements Projects………………. 3

Table 3.1 – Chimney Rock Sewer System Customer Base (CY 2019)……………… 6

Table 3.2 – Collection System Assets …………………………………………………………… 7

Table 6.1 – Prioritization Schedule ……………………………………………………………… 19

Table 7.1 – Lake Lure Sewer Rates ……………………………………………………………… 20

Chimney Rock Village October 2019
Rutherford County, North Carolina Page ii of ii
Sewer Collection System Evaluation
FIGURES

Figure 2.1 – Location Map .............................................................................. 4

Figure 3.3 - Photographs of Existing Sewer Components……………………………… 8

APPENDICES

APPENDIX A – EXISTING SEWER SYSTEM DATA
• A-1 Existing Sewer System Map
• A-2: Existing Sewer System Deficiency Map
• A-3: US Census Bureau 2010 Demographic Profile Data
• A-4: Local Water Supply Plans (2016-2018)
APPENDIX B – PROJECT ALTERNATIVES FIGURES
• B-1: Alternative 1 - System Upgrades Within Existing Alignment
• B-2: Alternative 2 - Combination Gravity Sewer and Force Main
System Upgrade
APPENDIX C – PROPOSED FUTURE PROJECT FIGURES
• C-1: Southside Drive Sewer Extension
• C-2: Terrance Drive Sewer Extension
• C-3: Mathis Drive / Johns Road Sewer Extension
• C-4: Esmeralda Inn Sewer Extension
• C-5: Gravity Sewer Line and Pump Station at Dogwood RV Park
APPENDIX D – FLOW DATA
• D-1: Graph - Flow Monitor Results
• D-2: Water Meter Data
APPENDIX F – SEWER SYSTEM SMOKE TESTING DATA
• No Data Collected

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Sewer Collection System Evaluation
INTRODUCTION

Goal Statement
This report has been prepared to serve as a planning tool for potential system improvements to
the Chimney Rock Village sewer collection system currently owned by Rutherford County.
Improvements to the system will increase the quality of service to existing and future system
customers. Included in this report is an evaluation of options for future long-term ownership and
maintenance of the sewer collection system by Chimney Rock Village. This evaluation will assist
Chimney Rock Village in planning for ownership, maintenance, expansion, and improvements to
the sewer system and its service capabilities.
Scope of Work
The scope of this report is to evaluate the Chimney Rock Village Sewer Collection System. This
report identifies sewer system improvements necessary to remediate existing problems and
maximize service capabilities to existing and future system customers. This report will provide
Chimney Rock Village the ability to plan both budgetarily and logistically for sewer system
improvement projects by developing a prioritized list of recommended improvements.
The principal elements of this report include the following:
• A GIS level survey of the existing sewer collection system from its starting point to its
connection with the Town of Lake Lure system. This information includes GIS level
coordinates of manholes, system bends, and pipe supports where applicable.
• Analysis of data collected from sewer system visual inspection, flow monitoring, smoke
testing, and video inspection (if needed) employed to identify areas of potential system
damage.
• An improvements plan that reflects the recommendations and conclusions resulting from
the data collection and inspections described above, including cost estimates and
timelines for proposed system improvements.

• Evaluation and summarization of options for future long-term ownership and
maintenance of the sewer collection system by Chimney Rock Village.

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EXECUTIVE SUMMARY

This Sewer Collection System Evaluation presents a complete accounting of all existing sewer
system facilities and conveyances as currently owned by Rutherford County and provides
recommendations for improvements to the sewer system under future ownership by Chimney
Rock Village. This information will allow Chimney Rock Village to pinpoint current problem areas
in the system, plan for and implement the necessary system improvements, and continue to plan
and budget for continued system operations, maintenance and expansion for the foreseeable
future. The primary areas of focus are as follows:
Sewer System Description and Asset Assessment
A detailed description and of current system facilities and conveyances was developed through
site visits and review of system drawings. Assets were assessed based on noted deficiencies and
compliance with current state design standards.
GIS and System Map Development
Sewer system mapping included in this report was generated using GIS level survey data
compiled from both prior projects completed by McGill Associates and new field collected data.
Compilation of Sewer System Deficiencies
Documentation and analysis of all identified operational deficiencies within the system are
detailed based on information collected during the evaluation. This information is found in
Section 3 of this report.

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1.0 PROPOSED IMPROVEMENT PROJECTS

Based on the identified deficiencies and projected service demands, a comprehensive list of
recommended improvement projects has been developed and details are presented in this
report in Section 4 “Project Alternatives”, and Section 5 “Recommended Capital Improvements”.
Below is a summary of these projects in order of priority. These are also graphically depicted in
figures of Proposed Projects in Appendix C. A proposed 10-year Capital Improvements Project
(CIP) Prioritization Schedule is also included in Appendix C.

TABLE 1.1: RECOMMENDED SEWER SYSTEM IMPROVEMENT PROJECTS
Project No. Description Estimated Cost
1 Rehabilitation of existing gravity sewer line, including addition
of new line along US 64. $1,626,250
2 Gravity sewer on Southside Dr, Pump Station & Force Main $1,167,640
3 Extend Gravity sewer line along Terrace Dr / Mathis Dr / Johns Rd $1,307,290
5 Extend Gravity sewer line to Esmeralda Inn $1,127,380
6 Install Sewer Line at Dogwood RV Park – Connect
to Proposed Esmeralda Inn Gravity Sewer Extension $534,690
Total $5,476,085

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2.0 PROJECT AREA

2.1 Location
Chimney Rock Village, located in Rutherford County, North Carolina was incorporated in 1991.
The village sits within Hickory Nut Gorge along the banks of the Broad River.
Figure 2.1 – Location Map

NOT TO SCALE

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Population
The 2010 census population of Chimney Rock was 113, and the 2017 count estimated the
population at 112, a decrease of 0.9%. These numbers were obtained from the latest North
Carolina Office of Budget and Management demographics reports for municipalities and
counties. Chimney Rock Village is a major tourist area in Rutherford County, as it is nestled at the
entrance of Chimney Rock State Park. Chimney Rock State Park sees over 250,000 visitors per
year. The existing sewer system currently serves 23 residential customers, 9 restaurants, 8 hotels
and motels with approximately 85 rooms, and 22 other retail businesses. There is also 1 public
restroom facility.
2.2 History
The sewer system that serves the Village of Chimney Rock was originally constructed with 0.95
miles of sewer mains. The system was constructed by and is currently owned by Rutherford
County. Sewage is conveyed to the Town of Lake Lure for treatment at their WWTP through a
connection point near the Town limits of the Town of Lake Lure and Chimney Rock Village.
Emergency repairs to the Chimney Rock Village sewer system were completed in 1996 and were
the last major renovations to the system. The system serves approximately 63 active accounts
that are administered by The Town of Lake Lure.

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Rutherford County, NC 6
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3.0 DESCRIPTION OF EXISTING SEWER FACILITIES

3.1 General Status
The Town of Lake Lure currently owns and maintains a sewer collection system and wastewater
treatment facility (WQCS00131) which provides sanitary sewer service to more than 235 customers
in the Lake Lure and Chimney Rock area. The treatment facilities permitted capacity is 0.9950 MGD.
The Town of Lake Lure’s sewer system is currently slated for major renovations to reduce inflow and
infiltration from the Broad River and Lake Lure and to improve treatment capabilities and service.
The Chimney Rock Village Sewer Collection System is interconnected to and dependent on the Lake
Lure Sewer System for treatment. There is no flow meter between the Chimney Rock Village Sewer
System and the Town of Lake Lure System, so no accurate flow numbers from the Chimney Rock
Village system are reported. Flow data for the Chimney Rock system was collected by McGill
Associates staff using flow meters installed in manholes between May 21, 2019 and June 18, 2019.
This data is represented in Appendix D. The original agreement between the Town of Lake Lure and
Rutherford County for the sewer collection system serving Chimney Rock Village was to accept up to
27,000GPD of wastewater flow.

The Chimney Rock Village sewer collection system consists of approximately 5000 LF of 8-inch sewer
line and appurtenances, 14 manholes, and approximately 63 service connections. A census of existing
service customers was not conducted as part of this evaluation, however approximate design flow
rates have been presented in Table 3.1 and are based on 15A NCAC 02T design flow rates and
population density information from the US Census Bureau (see Appendix A). Flow data recorded by
McGill Associates staff is presented in Appendix D for comparison. Most of the sewer line is ductile
iron with some small sections of PVC. Over 4400 LF of the sewer line and 10 of the manholes lie within
the floodway of the Broad River.

TABLE 3.1: CHIMNEY ROCK SEWER SYSTEM CUSTOMER BASE (CY 2019)
Type Number of Connections Design Flow Rate (GPD)
Residential 23 8,280
Hotel 8 12,500
Restaurant 9 22,000
Commercial 22 4,500
Public Access
Restroom 1 1,625
TOTAL 63 48,905

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3.2 Present Conditions

TABLE 3.2: COLLECTION SYSTEM ASSETS
Type Quantity
8” DIP Sewer Line (LF) 5000
4’ Diameter Manhole (EA) 14

Sewer Line: The existing 8-inch sewer line begins at Manhole #1 in the shoulder of the road at
#525 US-64. The sewer line and manholes continue in the shoulder of US-64 and through
storefront parking to a point just in front of #447 US-64 where the line turns toward the Broad
River and runs underground adjacent to it along the River Walk area of Chimney Rock Village.
Beginning near #307 US-64, the sewer line becomes exposed and is installed on piers within the
Broad River with bends and cleanouts for most of the remaining alignment until it reaches the
tie-in point with the Lake Lure system near the banks of the Broad River behind the Geneva Hotel.
Large portions of the gravity sewer system do not meet current NCDEQ minimum design
standards due to bends in the alignment, lack of adequate manholes at prescribed intervals, lack
of watertight lids and vents on existing manholes within the floodplain and floodway and
inadequate separation from the stream bank.
Manholes: Most of the existing system manholes were last replaced in 1997 and many need
repair or replacement due to failure from sections separating, loose upper sections and failing
materials. The existing manholes are not sealed or vented as required for their locations within
the floodplain and floodway of the Broad River.

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Figure 3.3 – Photographs of Existing Sewer Components

Manhole #10
Not sealed or vented, broken concrete
Manhole #4
Failing gasket, section pulling up

Manhole #3
Washed down inner wall from I & I
Manhole #9
Too Close to Structure / Inaccessible

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Manhole #12
Upper section separated, not sealed or vented
Bends in sewer line below the River House Inn

Manhole #8
Grouting around line failing
Below Bubba O’Leary’s
Washed out, unsupported sections

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4.0 PROJECT ALTERNATIVES

GRAVITY SEWER REPLACEMENT
Due to the current condition of the sewer collection system it is recommended that the existing
network of collection components in Chimney Rock Village be replaced. Two alternatives were
explored for the replacement of the existing non-compliant gravity sewer collection system.
Alternative #1 explored replacing the existing gravity sewer within the current alignment by
replacing and adding system components to bring the system into compliance with current
NCDEQ minimum design criteria. Alternative #2 explored replacing the existing gravity sewer
system with a new gravity sewer and force main sewer combination outside of the existing
alignment utilizing the shoulder of US64 through the village. Appendix B includes figures that
correspond to the alternatives listed.
Alternative #1 Rehabilitation of the Existing Sewer System:

As described in Section 3 of this report, large portions of the existing gravity sewer system do not
meet current NCDEQ minimum design criteria due to bends in the alignment, lack of adequate
manholes at prescribed intervals, lack of watertight lids and vents on existing manholes within
the floodplain and floodway and inadequate separation from the stream bank. This option
involves replacing bends in the system with manholes where feasible, straightening the sewer
line between manholes where feasible, and following a route within the existing alignment.
Additional sewer line is proposed to be installed along US64 to connect into the existing sewer
line. Existing customers connected to the current gravity sewer will be reconnected to the new
sewer line where necessary with new service connections. New manholes within the 100-year
flood zone are proposed to be sealed and vented, and existing manholes within the 100-year
flood zone are proposed to be rebuilt, sealed and vented as well. Due to lower initial cost and
lower on-going operating costs, Alternative #1 is the preferred alternative.

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Rutherford County, NC 11
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CHIMNEY ROCK VILLAGE
EXISTING SEWER SYSTEM REHABILITATION, Alt. #1
Opinion of Probable Cost - MARCH 2020

ITEM
NO. DESCRIPTION QUANTITY UNIT UNIT PRICE EXTENSION
1 Mobilization 1 LS $35,000 $35,000
2 8" DIP Gravity Sewer Line 2,700 LF $175 $472,500
3 4' Diameter Manhole Assembly, Sealed/Vented 24 EA $7,500 $180,000
4 Service Connection, Including 20 LF 4" PVC/DIP Pipe &
Cleanout 40 EA $5,000 $200,000
5 4" Service Line, as Required 1,000 LF $35 $35,000
6 Packaged Parshall Flume Flow Meter & Manhole 1 EA $25,000 $25,000
7 Town Street/Asphalt Drive Trench Repair 1,000 LF $40 $40,000
8 2" Asphalt Surface Course Overlay (Non-DOT) 1,500 SY $30 $45,000
9 16" Dia. x 0.250" Wall Thickness Steel Encasement Pipe,
Installed by Open Cut Complete w/Carrier Pipe 40 LF $350 $14,000
10 NCDOT Trench Repair, Excluding Overlay 250 LF $60 $15,000
11 NCDOT Asphalt Overlay 600 SY $35 $21,000
12 NCDOT Milling 250 SY $35 $8,750
13 Existing Culvert Repair, as Required 200 LF $60 $12,000
14 Washed Stone Undercut, 6" Depth 1,000 LF $8 $8,000
15 CABC (road shoulders and parking lots) 100 TN $50 $5,000
16 Miscellaneous Concrete 50 CY $250 $12,500
17 Rock Excavation 500 CY $125 $62,500
18 Select Backfill 600 CY $50 $30,000
19 Rip-Rap 500 TN $50 $25,000
20 Silt Fence 2,000 LF $5 $10,000
21 Erosion Control Matting 2,500 SY $4 $10,000
CONSTRUCTION COSTS $1,266,250
10% Contingency $126,700
Engineering and Permitting $101,300
Bidding and Award $12,000
Construction Administration $95,000
Funding Administration Assistance $10,000
Legal/Admin/Easements $15,000
TOTAL PROJECT COSTS $1,626,250
Notes:

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Rutherford County, NC 12
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Alternative #2 Reroute Gravity Sewer to Shoulder of US64, Including Pump Station:

This alternative proposes a new sewer system to be constructed in by shifting the gravity sewer
alignment away from the river and into the shoulder of US64. The proposed project would
replace the existing gravity sewer line located along and within the Broad River with a new gravity
sewer line, pump station, and force main located along US64 and out of the floodway, The new
sewer line would include manholes at all system bends and meet required 15A NCAC 2T rules.
Manholes located within the 100-year flood zone will be properly sealed and vented.

Existing customers connected to the current gravity sewer would be reconnected to the new
sewer line with new service connections. Some customers would need to install individual grinder
pumps to convey their discharge to the new sewer line due to the difference in elevation between
their existing discharge points and the elevation of the new sewer line.

In additional the Village of Chimney Rock would need to operate and maintain the pump station
and take on the cost of operation and ongoing maintenance. Electrical cost for the pump station
is estimated to be $8000.00 annually, and grinder pumps would be owned and maintained by
system customers. An on-call contract operator would be required to maintain and operate the
pump station and sewer line at a cost of approximately $30,000 annually. Because of the higher
up-front cost, extensive construction schedule, and higher operation and maintenance costs,
Alternative #2 it is not the preferred project.

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COLLECTION SYSTEM RE-ROUTE, Alt. #2
ITEM DESCRIPTION QTY UNIT PRICE EXT.
1 Mobilization 1 LS $34,329 $40,000
2 8-inch DIP Sanitary Sewer Line 4,200 LF $125 $525,000
3 16" x 0.250" Steel Encasement Pipe
Installed by Open Cut 100 LF $300 $30,000
4 4' Diameter Sewer Manholes 24 EA $5,000 $120,000
5 Manhole with Flow Meter 1 EA $8,000 $8,000
6 4-inch Sewer Service Connection 60 EA $5,000 $300,000
7 Sewer Pump Station, Complete 1 EA $375,000 $375,000
8 Connect Force Main to New
Manhole 1 EA $5,000 $5,000
9 6-inch HDPE Sewer Force Main 100 LF $60 $60,000
10 Asphalt Parking Lot Repair 4,200 LF $60 $126,000
11 DOT Road Repair - Trench Repair,
Milling & Overlay 500 SY $60 $30,000
12 Rock Excavation 500 CY $120 $60,000
13 Select Backfill 600 CY $50 $30,000
CONSTRUCTION TOTAL $1,709,000
CONSTRUCTION CONTINGENCY $171,000
ENGINEERING DESIGN $140,000
BIDDING AND AWARD $15,000
CONSTRUCTION ADMINISTRATION $120,000
GEOTECHNICAL $10,000
PROJECT/GRANT ADMINISTRATION $15,000
PROJECT TOTAL $2,180,000
Note: All opinions of probable costs are estimated in 2020 dollars and are included for planning purposes only. Actual project
costs will vary based on existing utility locations, site conditions, etc.

Chimney Rock Village March 2020
Rutherford County, NC 14
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5.0 RECOMMENDED CAPITAL IMPROVEMENTS

Proposed Sewer System Improvements

The recommended improvements projects listed below are designed to correct present
deficiencies, increase system reliability, and provide capacity for future wastewater system
growth. The following list includes brief descriptions and estimated capital costs of the proposed
wastewater system improvement projects. Figures of each proposed project are included in
Appendix C.

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Rutherford County, NC 15
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1. Add Gravity Sewer on Southside Drive, Including Pump Station and Force Main.

The proposed project will install approximately 2,400 LF of gravity sewer with manholes, a
sewage pump station, and approximately 2,500 LF of 4-Inch force main sewer to connect the
residents of Southside Drive to the proposed US64 gravity sewer line. This will add approximately
34 new customers to the Chimney Rock Village sewer system and will eliminate the need for
individual septic systems along this road.

ITEM DESCRIPTION QTY UNIT PRICE EXT.
1 Mobilization 1 LS $5,700 $5,700
2 8-inch DIP Sanitary Sewer Line 2,400 LF $125 $300,000
3 4' Diameter Sewer Manholes 8 EA $5,000 $40,000
4 4-inch Sewer Service Connection 34 EA $3,000 $68,000
5 Sewer Pump Station, Complete 1 EA $225,000 $225,000
6 Connect Force Main to Existing
Manhole 1 EA $3,000 $3,000
7 4-inch HDPE Sewer Force Main 2,500 LF $40 $100,000
8 Town Street Repair 1,700 SY $35 $59,500
9 CABC (road shoulders and parking
lots) 18 TN $30 $540
10 Miscellaneous Concrete 20 CY $250 $5,000
11 Rock Excavation 240 CY $100 $24,000
12 Select Backfill 240 CY $20 $4,800
13 Erosion Control 1 LS $5,000 $5,000
CONSTRUCTION TOTAL $875,040
CONSTRUCTION CONTINGENCY $87,600
ENGINEERING DESIGN $70,000
BIDDING AND AWARD $10,000
CONSTRUCTION ADMINISTRATION $58,000
GEOTECHNICAL $7,000
PROJECT/GRANT ADMINISTRATION $60,000
PROJECT TOTAL $1,167,640

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Rutherford County, NC 16
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2. Extend Gravity Sewer Along Terrace Drive, Mathis Drive, and Johns Road

The proposed project will install approximately 4,050 LF of gravity sewer with manholes to
connect the residents of Terrace Drive, Mathis Drive, and Johns Road to the proposed US64
gravity sewer line. This will add approximately 40 new customers to the Chimney Rock Village
sewer system and will eliminate the need for individual septic systems along these roads.

ITEM DESCRIPTION QTY UNIT PRICE EXT.
1 Mobilization 1 LS $29,000 $29,000
2 8-inch DIP Sanitary Sewer Line 4,050 LF $125 $506,250
3 4' Diameter Sewer Manholes 27 EA $5,000 $135,000
4 Connect to Existing Manhole 3 EA $5,000 $15,000
5 4-inch Sewer Service Connection 40 EA $3,000 $120,000
6 Town Street Repair 2,700 SY $35 $94,500
7
16” Dia. X 0.250” Wall Thickness Steel
Encasement Pipe, Installed by Open Cut
Complete with Carrier Pipe
140 LF $200 $28,000
8 DOT Pavement Repair – Milling &
Overlay 300 SY $60 $18,000
9 CABC (road shoulders and parking lots) 18 TN $30 $540
10 Miscellaneous Concrete 30 CY $250 $7,500
11 Rock Excavation 300 CY $100 $30,000
12 Select Backfill 300 CY $20 $6,000
13 Erosion Control 1 LS $5,000 $5,000
CONSTRUCTION TOTAL $994,790
CONSTRUCTION CONTINGENCY $99,500
ENGINEERING DESIGN $85,000
BIDDING AND AWARD $10,000
CONSTRUCTION ADMINISTRATION $70,000
PROJECT/GRANT ADMINISTRATION $48,000
PROJECT TOTAL $1,307,290
Note: All opinions of probable costs are estimated in 2020 dollars and are included for planning purposes only. Actual project
costs will vary based on existing utility locations, site conditions, etc.

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Rutherford County, NC 17
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3. Extend Gravity Sewer to Esmeralda Inn

The proposed project will install approximately 4,900 LF of gravity sewer with manholes to
connect the properties between the Esmeralda Inn and the proposed US64 gravity sewer line.
This will add approximately 15 new customers to the Chimney Rock Village sewer system and will
eliminate the need for individual septic systems along this road while replacing an existing aged
force main that currently connects the Esmeralda Inn to the Chimney Rock Village Sewer line.

ITEM DESCRIPTION QTY UNIT PRICE EXT.
1 Mobilization 1 LS $24,100 $24,100
2 8-inch DIP Sanitary Sewer Line 4,900 LF $125 $500,000
3 16" x 0.250" Steel Encasement Pipe
Installed by Open Cut 70 LF $300 $21,000
4 4' Diameter Sewer Manholes 24 EA $5,000 $120,000
5 Connect to Existing Manhole 1 EA $5,000 $5,000
6 4-inch Sewer Service Connection 15 EA $3,000 $45,000
7 Asphalt Drive Repair 1,100 LF $35 $38,500
8 DOT Road Repair - Trench Repair,
Milling & Overlay 150 SY $60 $9,000
9 CABC (road shoulders and parking
lots) 36 TN $30 $1,080
10 Misc Concrete 40 CY $250 $10,000
11 Rock Excavation 490 CY $80 $39,200
12 Select Backfill 490 CY $20 $9,800
13 Erosion Control 1 LS $5,000 $5,000
CONSTRUCTION TOTAL $826,680
CONSTRUCTION CONTINGENCY $82,700
ENGINEERING DESIGN $75,000
BIDDING AND AWARD $10,000
CONSTRUCTION ADMINISTRATION $68,000
PROJECT/GRANT ADMINISTRATION $65,000
PROJECT TOTAL $1,127,380
Note: All opinions of probable costs are estimated in 2019 dollars and are included for planning purposes only. Actual project
costs will vary based on existing utility locations, site conditions, etc.

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Rutherford County, NC 18
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4. Install Sewer Line at Dogwood RV Park

The proposed project will install approximately 1,350 LF of gravity sewer with manholes to
connect the residents of Dogwood RV Park to the proposed Esmeralda Inn gravity sewer line. This
will add approximately 30 new customers to the Chimney Rock Village sewer system and will
eliminate the need for individual septic systems in this high-density area directly adjacent to the
Broad River.

ITEM DESCRIPTION QTY UNIT PRICE EXT.
1 Mobilization 1 LS $11,069 $11,069
2 8-inch DIP Sanitary Sewer Line 1,350 LF $125 $168,750
3 4' Diameter Sewer Manholes 7 EA $5,000 $35,000
4 Connect to Existing Manhole 1 EA $5,000 $5,000
5 4-inch Sewer Service Connection 30 EA $3,000 $90,000
6 Asphalt Driveway Repair 600 SY $35 $21,000
7 CABC (road shoulders and parking
lots) 18 TN $30 $540
8 Town Street Repair 850 LF $45 $38,250
9 Rock Excavation 85 CY $80 $6,800
10 Select Backfill 85 CY $20 $1,700
11 Erosion Control 1 LS $5,000 $5,000
CONSTRUCTION TOTAL $401,290
CONSTRUCTION CONTINGENCY $40,200
ENGINEERING DESIGN $38,000
BIDDING AND AWARD $10,000
CONSTRUCTION ADMINISTRATION $32,000
GEOTECHNICAL $7,000
PROJECT/GRANT ADMINISTRATION $34,000
PROJECT TOTAL $534,690
Note: All opinions of probable costs are estimated in 2019 dollars and are included for planning purposes only. Actual project
costs will vary based on existing utility locations, site conditions, etc.

Chimney Rock Village March 2020
Rutherford County, NC 19
Sewer Collection System Evaluation
6.0 PRIORITIZATION SCHEUDULE

A Capital Improvements Plan (CIP) is a valuable tool utilized by local governments and utility
providers to schedule and plan for the financing and construction of projects to upgrade, expand,
and maintain their systems and facilities. The proposed capital improvements plan projects have
been prioritized to address the most urgent needs of the Town and it is recommended that these
projects be designed and constructed in the order provided below as soon as project funding can
be secured. The most critically prioritized system improvement projects have been placed at the
front end of the CIP planning period, with lower priority projects placed later in the CIP calendar
or as budget constraints allow.

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Rutherford County, NC 20
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TABLE 6.1
PRIORITIZATION SCHEDULE
CHIMNEY ROCK VILLAGE – WASTEWATER COLLECTION SYSTEM CAPITAL IMPROVEMENTS
OCTOBER 2019

PROJECT COST PRIORITY 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030
Rehabilitate Existing Sewer System $1,339,085 1 $1,339,085
Add Gravity Sewer on Southside Drive, Including Pump
Station and Force Main $1,167,640 2 $1,167,640
Extend Gravity Sewer Line Along Terrace Drive, Mathis $1,307,290 3 $1,307,290
Extend Gravity Sewer Line to Esmeralda Inn $1,127,380 4 $1,127,380
Install Pump Station and Sewer Line at Dogwood RV Pa $534,690 4 $534,690
TOTAL $5,476,085 $1,339,085 $1,167,640 $1,307,290 $0 $1,127,380 $534,690

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Rutherford County, NC 21
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7.0 EVALUATION OF FUTURE OWNERSHIP AND MAINTENANCE COSTS

This section evaluates the future ownership and maintenance costs of the Chimney Rock Village
Sewer Collection System. Present worth of the current collection system owned by Rutherford
County is assumed to be $0 for this evaluation, due to the age and condition of the system.

The Town of Lake Lure currently charges Chimney Rock residents for sewer service, with rates as
listed below. Currently Lake Lure captures the entirety of this fee, and it is assumed that Chimney
Rock Village will collect fees once a new system is built, with a new bulk rate paid to Lake Lure
once a flow meter between the two systems is installed.

TABLE 7.1: LAKE LURE SEWER RATES (MONTHLY)
Type Number of Connections Rate EXT.
Residential 23 $69.50 $1598.50
Hotel 8 $139.50* $1116.00
Restaurant 9 $139.50* $1255.50
Commercial 22 $218.00* $4796.00
Public Access
Restroom 1 $139.50* $139.50
TOTAL 63 $8905.50
* rate assumptions made and averaged from published Lake Lure table.

The cost to immediately upgrade the existing Chimney Rock Sewer Collection System is estimated
to be $1.63 million dollars. The cost to service this debt over a 40-year period at 3.2% interest is
approximately $6,100.00 monthly or $73,200 annually. This debt service does not consider the
possibility of 0% or grant funds to pay for all or part of the rehabilitation project.

System Maintenance for the linear sewer collection system assets is estimated to be $2.00 per
linear foot of line annually. Additional funds will need to be set aside for pump station
maintenance to the proposed Southside Pump Station.

Chimney Rock Village March 2020
Rutherford County, NC 22
Sewer Collection System Evaluation
8.0 CONCLUSIONS AND RECOMMENDATIONS

Implementation of the recommended improvements identified in this report will address known
deficiencies within the sewer system and position the Village to meet future service demands.
The costs of the recommended improvements as developed have been estimated using March
2020 construction prices and include allowances for construction contingencies, technical design
and administration services, and legal fees. For the purposes of this study, the recommended
improvements have been placed into separate projects, which in turn have been prioritized
based on relative necessity. The proposed projects may be phased over an indefinite period of
years as dictated by the availability of funds, future development patterns, or changing
operational priorities within the system. Accordingly, the CIP should be revisited on a regular
basis for review and/or revision as the needs of the Village’s system changes over time.

APPENDIX A
EXISTING SEWER SYSTEM DATA

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MATHIS D
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RIVER
CENTE
R
L
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100
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Y
E
A
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F
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O
D

E
L
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.
200
-
Y
E
A
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F
L
O
O
D

E
L
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.
FLOODW
A
Y
100-YEAR FLOOD ELE.
200-
Y
E
A
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F
L
O
O
D

E
L
E
.
MH-1
POSSIBLE MH
UNDER
PAVEMENT
MH-2
MH-3
CO-1
MH-5
CO-2
CO-3 CO-4
MH-5
CO-6
CO-7
EXPOSED
PVC
EXPOSED
DIP
BEND EXPOSED
DIP
EXPOSED
DIP
MH-6
BEND
BEND BEND
BEND
MH-7
MH-8 MH-9 MH-10
POSSIBLE MANHOLE
(NOT
FOUND)
BEND
BEND
BEND MH-12
MH-11
EXPOSED
EXPOSED
EXPOSED
EXPOSED
EXPOSED
EXPOSED
EXPOSED
EXPOSED
EXPOSED
250 0 100 250 500
250DIVISION VALUE = FEETGRAPHIC SCALE
EXISTING SANITARY
SEWER SYSTEM
RUTHERFORD COUNTY, NORTH CAROLINA
CHIMNEY ROCK VILLAGE
SEWER COLLECTION SYSTEM
EVALUATION
M. CATHEY
M. DOWD
I. MESSINA A-1OFFICE MANAGER
PROJECT MANAGER
DESIGNER
REVIEWER
SHEET
AUGUST 2019 19.00309
DATE PROJECT #
P:
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P
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A
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M
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A
mcgillassociates.com
55 Broad Street
Asheville, NC 28801
828.252.0575
NC Firm License # C-0459
US

H
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Y
.

6
4
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A
C
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D
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T
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A
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TERRA
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MATHIS D
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JO
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S

R
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SO
U
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H
S
I
D
E

D
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RIVER
CENTE
R
L
I
N
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100
-
Y
E
A
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F
L
O
O
D

E
L
E
.
200
-
Y
E
A
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F
L
O
O
D

E
L
E
.
FLOODW
A
Y
100-YEAR FLOOD ELE.
200-
Y
E
A
R

F
L
O
O
D

E
L
E
.
250 0 125 250 500
250DIVISION VALUE = FEETGRAPHIC SCALE
EXISTING
SEWER SYSTEM
DEFICIENCIES
RUTHERFORD COUNTY, NORTH CAROLINA
CHIMNEY ROCK VILLAGE
SEWER COLLECTION SYSTEM
EVALUATION
M. CATHEY
M. DOWD
I. MESSINA A-2OFFICE MANAGER
PROJECT MANAGER
DESIGNER
REVIEWER
FIGURE
AUGUST 2019 19.00309
DATE PROJECT #
P:
\
2
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0
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3/
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1
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P
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A
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M
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A
mcgillassociates.com
55 Broad Street
Asheville, NC 28801
828.252.0575
NC Firm License # C-0459

APPENDIX B
PROJECT ALTERNATIVE FIGURES

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TERRA
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MATHIS D
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S

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SO
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RIVER
CENTER
L
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E
100
-
Y
E
A
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F
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O
O
D

E
L
E
.
200
-
Y
E
A
R

F
L
O
O
D

E
L
E
.
FLOODW
A
Y
100-YEAR FLOOD ELE.
200-
Y
E
A
R

F
L
O
O
D

E
L
E
.
250 0 125 250 500
250DIVISION VALUE = FEETGRAPHIC SCALE
RUTHERFORD COUNTY, NORTH CAROLINA
CHIMNEY ROCK VILLAGE
SEWER COLLECTION SYSTEM
EVALUATION
M. CATHEY
M. DOWD
I. MESSINA B-1OFFICE MANAGER
PROJECT MANAGER
DESIGNER
REVIEWER
FIGURE
AUGUST 2019 19.00309
DATE PROJECT #
P:
\
2
0
1
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\
1
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0
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0
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1
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D
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3/
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2
0

1
:
1
1

P
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A
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M
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A
mcgillassociates.com
55 Broad Street
Asheville, NC 28801
828.252.0575
NC Firm License # C-0459
ALTERNATIVE #1
REHABILITATION OF
EXISTING SEWER
SYSTEM

APPENDIX C
PROPOSED FUTURE PROJECT FIGURES

US

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6
4
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TERR
A
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E

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MATHIS D
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JO
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S

R
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SO
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T
H
S
I
D
E

D
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RIVER
CENTE
R
L
I
N
E
100
-
Y
E
A
R

F
L
O
O
D

E
L
E
.
200
-
Y
E
A
R

F
L
O
O
D

E
L
E
.
FLOODW
A
Y
100-YEAR FLOOD ELE.
200-
Y
E
A
R

F
L
O
O
D

E
L
E
.
150 0 75 150 300
150DIVISION VALUE = FEETGRAPHIC SCALE
PROPOSED
SOUTHSIDE DRIVE GRAVITY
SEWER, FORCE MAIN AND
PUMP STATIONRUTHERFORD COUNTY, NORTH CAROLINA
CHIMNEY ROCK VILLAGE
SEWER COLLECTION SYSTEM
EVALUATION
M. CATHEY
M. DOWD
I. MESSINA C-1OFFICE MANAGER
PROJECT MANAGER
DESIGNER
REVIEWER
FIGURE
AUGUST 2019 19.00309
DATE PROJECT #
P:
\
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mcgillassociates.com
55 Broad Street
Asheville, NC 28801
828.252.0575
NC Firm License # C-0459
U
S

H
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Y
.

6
4
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C
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D
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MATHIS D
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I
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RIVER
CENTE
R
L
I
N
E
100
-
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E
A
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F
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O
D

E
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E
.
200
-
Y
E
A
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F
L
O
O
D

E
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.
FLOOD
W
A
Y
200-
Y
E
A
R

F
L
O
O
D

E
L
E
.
150 0 75 150 300
150DIVISION VALUE = FEETGRAPHIC SCALE
PROPOSED
TERRACE DRIVE SEWER LINE
EXTENSION
RUTHERFORD COUNTY, NORTH CAROLINA
CHIMNEY ROCK VILLAGE
SEWER COLLECTION SYSTEM
EVALUATION
M. CATHEY
M. DOWD
I. MESSINA C-2OFFICE MANAGER
PROJECT MANAGER
DESIGNER
REVIEWER
FIGURE
AUGUST 2019 19.00309
DATE PROJECT #
P:
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1
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0
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P
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A
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M
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mcgillassociates.com
55 Broad Street
Asheville, NC 28801
828.252.0575
NC Firm License # C-0459
U
S

H
W
Y
.

6
4
TERR
A
C
E

D
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MATHIS D
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S

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SO
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S
I
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RIVER
CENTE
R
L
I
N
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100
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Y
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A
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F
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O
O
D

E
L
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.
200
-
Y
E
A
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F
L
O
O
D

E
L
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.
FLOODW
A
Y
100-YEAR FLOOD ELE.
200-
Y
E
A
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F
L
O
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E
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E
.
150 0 75 150 300
150DIVISION VALUE = FEETGRAPHIC SCALE
PROPOSED
MATHIS DR. / JOHNS RD.
SEWER LINE EXTENSION
RUTHERFORD COUNTY, NORTH CAROLINA
CHIMNEY ROCK VILLAGE
SEWER COLLECTION SYSTEM
EVALUATION
M. CATHEY
M. DOWD
I. MESSINA C-3OFFICE MANAGER
PROJECT MANAGER
DESIGNER
REVIEWER
FIGURE
AUGUST 2019 19.00309
DATE PROJECT #
P:
\
2
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mcgillassociates.com
55 Broad Street
Asheville, NC 28801
828.252.0575
NC Firm License # C-0459
US

H
W
Y
.

6
4
250 0 125 250 500
250DIVISION VALUE = FEETGRAPHIC SCALE
PROPOSED
GRAVITY SEWER EXTENSION
TO ESMERALDA INN
RUTHERFORD COUNTY, NORTH CAROLINA
CHIMNEY ROCK VILLAGE
SEWER COLLECTION SYSTEM
EVALUATION
M. CATHEY
M. DOWD
I. MESSINA C-4OFFICE MANAGER
PROJECT MANAGER
DESIGNER
REVIEWER
FIGURE
AUGUST 2019 19.00309
DATE PROJECT #
P:
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2
0
1
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1
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0
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1
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1
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P
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A
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M
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A
mcgillassociates.com
55 Broad Street
Asheville, NC 28801
828.252.0575
NC Firm License # C-0459
US H
W
Y
.

6
4
150 0 75 150 300
150DIVISION VALUE = FEETGRAPHIC SCALE
PROPOSED
DOGWOOD RV PARK SEWER
LINE EXTENSION
RUTHERFORD COUNTY, NORTH CAROLINA
CHIMNEY ROCK VILLAGE
SEWER COLLECTION SYSTEM
EVALUATION
M. CATHEY
M. DOWD
I. MESSINA C-5OFFICE MANAGER
PROJECT MANAGER
DESIGNER
REVIEWER
FIGURE
AUGUST 2019 19.00309
DATE PROJECT #
P:
\
2
0
1
9
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1
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.
0
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.
0
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3/
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1
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P
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A
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M
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S
S
I
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A
mcgillassociates.com
55 Broad Street
Asheville, NC 28801
828.252.0575
NC Firm License # C-0459

APPENDIX D
FLOW DATA

0.00
1.00
2.00
3.00
4.00
5.00
6.00
0
10000
20000
30000
40000
50000
60000
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
IN
C
H
E
S
FL
O
W
Flow Data
GPD Flow
 02T Design Flow
Average GPD FLow
Rainfall ‐ Inches