HomeMy WebLinkAbout20230773 182 Excelsior Site Plan water and Sewer
182 Excelsior Avenue Apartments
Water and Sewer Report
JULY 2023
Revised November 2023
MJ Project #1583.01
PREPARED FOR:
GREEN SPRINGS CAPITAL
GROUP, LLC
SARATOGA SPRINGS, NY
PREPARED BY:
Unauthorized alteration to this document is a violation of Section
7209 Subdivision 2 of the New York State Education Law.
182 EXCELSIOR AVENUE APARTMENTS WATER AND SEWER REPORT
M.J. Engineering and Land Surveying, P.C. July 2023
Project No. 1583.01 Page i
TABLE OF CONTENTS
SECTION PAGE
1.0: INTRODUCTION ......................................................................................................................1
1.1 Project Description ............................................................................................................. 1
1.2 Existing City Water and Sewer ............................................................................................ 2
1.3 Wetlands ............................................................................................................................. 2
1.4 100- Year Flood Plain .......................................................................................................... 2
2.0: DESIGN STANDARDS ...............................................................................................................3
2.1 NYSDEC Water and Sewer Demand and Design Standards ................................................ 3
2.2 Proposed Water System ..................................................................................................... 3
2.2.1 Responsibility and Ownership ............................................................................................ 4
2.2.2 Water Pressures .................................................................................................................. 4
2.3 Proposed Sewer System ..................................................................................................... 4
2.4 Impacts to City Water and Sewer ....................................................................................... 4
2.5 District Extensions ............................................................................................................... 5
2.6 Financing ............................................................................................................................. 5
182 EXCELSIOR AVENUE APARTMENTS WATER AND SEWER REPORT
M.J. Engineering and Land Surveying, P.C. July 2023
Project No. 1583.01 Page ii
LIST OF TABLES
Table 1-1: Excelsior Avenue Apartments Existing and Proposed Conditions
Table 2-1: Water Usage
LIST OF FIGURES
Figure 1-1: Project Location
LIST OF APPENDICES
(LOCATED AT THE END OF THE REPORT)
Appendix A: Existing Utilities
Appendix B: Wetlands
Appendix C: FIRM Map
Appendix D: Hydrant Testing
Appendix E: Proposed Utilities
182 EXCELSIOR AVENUE APARTMENTS WATER AND SEWER REPORT
M.J. Engineering and Land Surveying, P.C. July 2023
Project No. 1583.01 Page 1
1.0: INTRODUCTION
1.1 Project Description
This Engineering Report describes the existing and proposed water and sewer systems within the project
limits located at 182 Excelsior Avenue in the City of Saratoga Springs, as seen in Figure 1-1. The project
involves relocating the existing main and carriage house on the property onto its own parcel and
redeveloping them into a total of 8 condominiums. Additionally, on a separate parcel 4 three-story
apartments with 9 units in each would be constructed. The project site is located at tax parcel 166.-1-14,
as shown below in Figure 1-1, which is sized at approximately 2.49 acres. See Table 1-1 for existing and
proposed units.
Figure 1-1: Project Location
Table 1-1: Excelsior Avenue Apartments Existing and Proposed Conditions
Existing Conditions Proposed Conditions
Number of Units Number of Units
Main House 6 Main House 8 Carriage House 4 Carriage House
Three-Story Apartment 9
Three-Story Apartment 9
Three-Story Apartment 9
Three-Story Apartment 9
Total Units 10 44
182 EXCELSIOR AVENUE APARTMENTS WATER AND SEWER REPORT
M.J. Engineering and Land Surveying, P.C. July 2023
Project No. 1583.01 Page 2
1.2 Existing City Water and Sewer
The existing parcel is within the City of Saratoga Springs Water District. An individual water service
connection, of an unknown size, extending from the City-owned 6” water main located on Excelsior Spring
Ave currently exists. The water main on Excelsior Spring Ave is located on the west side of the road, see
Appendix A. There are also dual 6” and 12” water mains located on Excelsior Ave near the project site.
The 6” water main is along the northern side of Excelsior Ave, and the 12” water main cuts through the
middle of Excelsior Ave. There are two hydrants close to the project site. One hydrant is located at the
intersection of Veterans Way and Excelsior Ave, approximately 90 feet from the property boundary. A
second hydrant is located at the intersection of Loughberry Rd S and Excelsior Ave, approximately 70 feet
from the property boundary.
The existing parcel is within Saratoga County Sewer District No. 1 and an individual 2” sewer service
connection extending from a County-owned sewer main within the public right of way currently exists.
There is currently a 12” gravity sewer main along the northern side of Excelsior Ave near the project site.
For available existing utility information see Appendix A.
1.3 Wetlands
A wetland delineation was performed on site on September 7, 2022. One area, approximately 724 sf in
size, was delineated on the northwest corner of the parcel. The delineation was submitted to NYSDEC for
their review as the parcel is located within the NYSDEC check zone. See Appendix B for correspondence
dated September 16, 2022, from NYSDEC validating the delineated wetlands as well as indicating that
NYSDEC will not take jurisdiction over the wetlands on the site. The US Army Corps of Engineers (USACE)
has also reviewed the wetlands and provided a jurisdictional determination. The wetland on site was
determined to be non-jurisdictional and only the off-site Spring Run stream was considered part of a
tributary system.
1.4 100- Year Flood Plain
Per the National Flood Insurance Rate Map (FIRM) number 36091C0434E dated August 16, 1995, the
proposed project improvements and existing buildings are located just outside the limits of zone “AE”
(100-year flood plain) and are zoned undetermined. See Appendix C for more information.
182 EXCELSIOR AVENUE APARTMENTS WATER AND SEWER REPORT
M.J. Engineering and Land Surveying, P.C. July 2023
Project No. 1583.01 Page 3
2.0: DESIGN STANDARDS
2.1 NYSDEC Water and Sewer Demand and Design Standards
Anticipated water flows are as follows:
Table 2-1: Water Usage
Average Daily Flow
(GPD)
Average Flow
(GPM)
Peak Flow
(GPM)
Main House1
1760 1.22 4.88 Carriage House2
Three-Story Apartment3 1980 1.375 5.5
Three-Story Apartment3 1980 1.375 5.5
Three-Story Apartment3 1980 1.375 5.5
Three-Story Apartment3 1980 1.375 5.5
Total 9680 6.72 26.88
1The Main House will have 6 units with two bedrooms in each (110X6X2 =1,320)
2The Carriage House will have 4 units with two bedrooms in each (110X4X2=880)
3The Three-Story Apartments will each have 9 units with two bedrooms in each (110X9X2=1980)
Table B-3 of NYSDEC Design Standards for Intermediate Sized Water Treatment Systems dated 3/5/2014
was used to determine anticipated flow rate, 110 gal per bedroom. Plumbing fixtures will be specified as
low flow type fixtures per NY state requirements for water conservation.
Based on the anticipated water flows, anticipated sewer flows would have an average daily flow of 9680
GPD and an average flow of 6.72 GPM. The Main House and Carriage House will discharge their sewer
through an existing gravity lateral to the sewer main on Excelsior Ave. The peak flows for the Main House
and Carriage House would remain the same at 4.88 GPM. The four apartments are going to flow to E-one
Quad Pump stations, with two apartments going to one pump, for a total of two pump stations. The peak
flow for each of those stations is 22 GPM for a total peak flow of 44 GPM for the four apartments. The
peak flow from the entire project site would be 48.88 GPM.
2.2 Proposed Water System
Water service to the relocated residence and carriage barn and new apartments building will be from the
existing 6-inch water main on Excelsior Avenue. The fire sprinkler system will utilize a 4” service split from
a 6” combined water lateral. The fire protection service will be protected with a double check valve
installation.
Each building will be provided with a sprinkler system installed per the 2020 NYS Fire Code and NFPA 13R
guidelines.
A Mechanical, Electrical and Plumbing (MEP) Engineer will be designing the sprinkler and domestic
services within the building. Said designs will be provided to the City in a separate report demonstrating
that pressure loss within the system during the building permit process.
182 EXCELSIOR AVENUE APARTMENTS WATER AND SEWER REPORT
M.J. Engineering and Land Surveying, P.C. July 2023
Project No. 1583.01 Page 4
2.2.1 Responsibility and Ownership
Water laterals will be owned and maintained by the owner of the property to which the lateral serves,
while the existing mains are to be owned and maintained by The City of Saratoga. All construction shall
conform to the City of Saratoga Specifications
2.2.2 Water Pressures
Hydrant Flow Test #1 was performed on December 11, 2020. The test was performed on the 12” water
main and is approximately 500 feet from the project site. There are fewer hydrants on the 12” main as it
is mainly used as a transmission main. The test showed a static pressure of 86 psi and a residual pressure
of 78 psi with a flow of 1,332 gpm. At the fire flow pressure of 20 psi there would be an expected flow of
4,164 gpm. For more information on the location and information for Hydrant Flow Test #1, see Appendix
D.
Hydrant Flow Test #2 was performed on July 12, 2023. The test was performed on the 6” water main,
directly in front of the project site on Excelsior Ave, as the new lateral is going to tie-into the 6” main. The
test showed a static pressure of 98 psi and a residual pressure of 91 psi with a flow of 920 gpm. At the fire
flow pressure of 20 psi there would be an expected flow of 3382 gpm. For more information on the
location and information for Hydrant Flow Test #2, see Appendix D.
Approximately 13.3 psi will be lost in water pressure within the 31-foot-tall three-story apartment
complexes. The current static pressure of +/-98 psi at the building will allow delivering 920 gpm to the top
floor at +/-78 psi.
2.3 Proposed Sewer System
The existing 2” sewer lateral can be reused for the relocated structures. An additional 2” low pressure
force main lateral will be installed for the apartment buildings, as seen in Appendix E. It is anticipated that
two apartment buildings would each connect to an E-One quad station which would discharge to the
County system. Therefore, two E-One quad stations will be needed. The pumps will be owned and
operated by the property owner. See Appendix E for more information on the proposed sewer and pump
station.
Each E-One quad station will have the following design parameters:
1. Pumping rate= 11 gpm per pump with two pumps on at a time, for a total of 22 gpm pumping out
of each station
2.4 Impacts to City Water and Sewer
The hydrant test shows that the 6” water main on Excelsior Ave will be able to maintain adequate
pressures with a new connection at the project site. The existing system pressures will also satisfy the
needed fire flow at the new connection while maintaining system pressure flow to the nearby
connections.
The City water system serves approximately 28,000 people through 9,680 service connections. In 2022,
the total water produced was 1,558,584,000 gallons, with the City’s daily average at 4,270,000 gallons.
The peak water consumed was 7,125,000 gallons. The amount of water delivered through meters was
1,204,834,437 gallons. This leaves an unaccounted-for total of 353,749,563 gallons that is from City
182 EXCELSIOR AVENUE APARTMENTS WATER AND SEWER REPORT
M.J. Engineering and Land Surveying, P.C. July 2023
Project No. 1583.01 Page 5
operations, flushing mains, fighting fire, water main breaks, and unauthorized use. There is sufficient
capacity within the water distribution system to serve the project site as around 22% of the water
produced by the City is not invoiced to customers. The proposed project would require 9,690 gallons per
day from the City’s system, which is less than .0063% of the current water being used. Therefore, this
project would have a minimal impact on the City’s water system.
The projected peak flow of 44 gpm to the existing sewer system will have little impact, as the capacity of
the existing 12” sewer is 1309 gpm (full). This capacity was approximated using the Manning Equation and
a slope of .48% calculated from the manhole information in the survey done by MJ, see Appendix A. The
44 gpm of additional peak sewer flow represents 3.4% of the existing sewer pipe capacity.
2.5 District Extensions
The project is located within the City limits, and as such, will not be required to extend the water district.
This project is also located within the County limits, and as such, will not be required to extend the sewer
district.
2.6 Financing
Financing the proposed water and sewer improvements to the project site shall be born entirely by the
developer of the project.
APPENDICES
Appendix A
Existing Utilities
VETERANS WAY
EXCEL
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.LOUGHBERRY ROADSOUTHEXCELSIOR SPRING AVE.SPRING R
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LOCATION MAP
File Name: G:\MJ1583.01 - 182 Excelsior\Cad\MJ1583.01__XSRVY.dwg (Layout: Layout1 )Date: Tue, Nov 29, 2022 - 10:09 AM (Name: bmccabe)THE ALTERATION OF THIS MATERIAL IN ANY WAY, UNLESS DONE
UNDER THE DIRECTION OF A COMPARABLE PROFESSIONAL, (I.E.)
ARCHITECT FOR AN ARCHITECT, ENGINEER FOR AN ENGINEER OR
LAND SURVEYOR FOR A LAND SURVEYOR, IS A VIOLATION OF THE
NEW YORK STATE EDUCATION LAW AND/OR REGULATIONS AND IS
A CLASS "A" MISDEMEANOR.
SEAL
DATE:
MJ PROJ. No.:
CONTRACT No.:
SCALE:
DATENo.DESCRIPTION
SUBMITTAL / REVISIONS
PROJ. MANAGER:REVIEWED BY:
CHIEF DESIGNER:
BY DATE
DESIGNED BY:
DRAWN BY:
CHECKED BY:
SEAL
1533 Crescent Road - Clifton Park, NY 12065
Engineering and
Land Surveying, P.C.
1 OF 1
1" = 30'
PREPARED FOR
GREEN SPRINGS CAPITAL GROUP, LLC
182 EXCELSIOR AVENUE
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BOUNDARY AND TOPOGRAPHIC SURVEY
CITY OF SARATOGA SPRINGS
SARATOGA COUNTY NEW YORK
1583.01
NOVEMBER 23, 2022
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THE ALTERATION OF THIS MATERIAL INANY WAY, UNLESS DONE UNDER THEDIRECTION OF A COMPARABLEPROFESSIONAL, (I.E.) ARCHITECT FOR ANARCHITECT, ENGINEER FOR AN ENGINEEROR LANDSCAPE ARCHITECT FOR ALANDSCAPE ARCHITECT, IS A VIOLATIONOF THE NEW YORK STATE EDUCATIONLAW AND/OR REGULATIONS AND IS ACLASS "A" MISDEMEANOR.File Name: L:\Projects\MJ1583 - 182 Excelsior Avenue\02-Design\18- Water and Sewer Reports\Appendicies\Files used\Existing Water.dwg (Layout: A )Date: Mon, Jul 24, 2023 - 9:46 AM (Name: bbrackett)DATE:MJ PROJ. No.:CONTRACT No.:SCALE:DATENo.DESCRIPTIONSUBMITTAL / REVISIONSPROJ. MANAGER:REVIEWED BY:CHIEF DESIGNER:BYDATEDESIGNED BY:DRAWN BY:CHECKED BY:1533 Crescent Road - Clifton Park, NY 12065Engineering andLand Surveying, P.C.AN.T.SEXISTING WATER SYSTEM182 EXCELSIOR AVESARATOGANY1583.017-24-2023AVENUEEXCELSIOR AVEEXCE
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Appendix B
Wetlands
Appendix C
FIRM Map
PROJECT
LOCATION
Appendix D
Hydrant Testing
TEST # 1 HYDRANT FLOW TEST REPORT
LOCATION: 182 Excelsior Ave, Saratoga
DATE: 7/12/2023
TEST MADE BY: Brianna Brackett and Mackenzie Klaben
TIME: 9:25am
REPRESENTATIVE OF: M.J. Engineering and Land Surveying, P.C.
WITNESS: Matt Zeno (City of Saratoga Springs)
STATE PURPOSE OF TEST: To check pressure and flows for new apartments
LIST SYSTEM CONDITIONS THAT COULD AFFECT TEST:
FLOW HYDRANT NO.:
Flow
# 1 _
920 GPM
PRESSURE HYDRANT NO.:
# 1 _____________________
Static (Ps) _98_ psi
Residual (Pr) __ 91 psi
Projected Flow at 20 psi = __ 3381.9 GPM = 𝑄𝑖× (𝑃𝑟−20
𝑃𝑟 − 𝑃𝑟
)0.54
LOCATION MAP: See Overview Map___________________ ____________
THE ALTERATION OF THIS MATERIAL INANY WAY, UNLESS DONE UNDER THEDIRECTION OF A COMPARABLEPROFESSIONAL, (I.E.) ARCHITECT FOR ANARCHITECT, ENGINEER FOR AN ENGINEEROR LANDSCAPE ARCHITECT FOR ALANDSCAPE ARCHITECT, IS A VIOLATIONOF THE NEW YORK STATE EDUCATIONLAW AND/OR REGULATIONS AND IS ACLASS "A" MISDEMEANOR.File Name: L:\Projects\MJ1583 - 182 Excelsior Avenue\02-Design\18- Water and Sewer Reports\Appendicies\Files used\Existing Water.dwg (Layout: D )Date: Mon, Jul 24, 2023 - 3:35 PM (Name: bbrackett)DATE:MJ PROJ. No.:CONTRACT No.:SCALE:DATENo.DESCRIPTIONSUBMITTAL / REVISIONSPROJ. MANAGER:REVIEWED BY:CHIEF DESIGNER:BYDATEDESIGNED BY:DRAWN BY:CHECKED BY:1533 Crescent Road - Clifton Park, NY 12065Engineering andLand Surveying, P.C.DN.T.SEXISTING WATER SYSTEM182 EXCELSIOR AVESARATOGANY1583.017-24-2023EXCE
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EXCELSIOR AVEPROJECTLOCATION
Appendix E
Proposed Utilities
VETERANSWAYEXCELSIOR AVE.LOUGHBERRY ROADSOUTHEXCELSIOR SPRING AVE.SPRING RUN TRAIL●●●●●●●●●●●●●●●●●●●THE ALTERATION OF THIS MATERIAL IN ANY WAY, UNLESS DONEUNDER THE DIRECTION OF A COMPARABLE PROFESSIONAL, (I.E.)ARCHITECT FOR AN ARCHITECT, ENGINEER FOR AN ENGINEER ORLANDSCAPE ARCHITECT FOR A LANDSCAPE ARCHITECT, IS AVIOLATION OF THE NEW YORK STATE EDUCATION LAW AND/ORREGULATIONS AND IS A CLASS "A" MISDEMEANOR.File Name: F:\MJ1583\MJ1583.01 182 Excelsior Avenue\MJ1583.01_C-140.dwg (Layout: C-140 )Date: Wed, Nov 29, 2023 - 4:26 PM (Name: wlippmann)DATE:MJ PROJ. No.:CONTRACT No.:SCALE:DATENo.DESCRIPTIONSUBMITTAL / REVISIONSPROJ. MANAGER:REVIEWED BY:CHIEF DESIGNER:BYDATEDESIGNED BY:DRAWN BY:CHECKED BY:1533 Crescent Road - Clifton Park, NY 12065Engineering andLand Surveying, P.C.C-140AS SHOWNWLWLABABWLGREEN SPRINGS CAPITAL GROUP LLC182 EXCELSIOR AVENUESARATOGA SPRINGSNEW YORK-MJ1583.01OCTOBER 2022UTILITY PLAN010'20'20'UTILITY NOTES:UTILITY LEGEND: