HomeMy WebLinkAboutSanitary Sewer Report r —
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Sanitary Sewer Report
for
Tower Point Infrastructure Development
Private Drive A & B - Lots 7, 8, & 9
College Station, Texas
Prepared for:
Weiner Development Corporation
Prepared by:
Walter P. Moore & Associates, Inc.
920 Main Street, 10 Floor
Kansas City, Missouri 65104
TBPE Firm Registration No. 1856
June 7, 2010,
Revised Aug 17 2010 1' OF r %
t '
J. SHAWN CES ` o 011-10
01:-. 103938 . °
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TABLE OF CONTENTS
SANITARY SEWER OVERVIEW 2
PROJECT DESCRIPTION 2
SANITARY SEWER ANALYSIS 3
FUTURE DEVELOPMENT 4
CONCLUSION 4
APPENDIX 5
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8ANITARY SEWER OVERVIEW
Introduction
The sanitary sewer inc has been prepared for the Tower Point Infrastructure Deveioprnent Lots
7, 8. and 9 aong Private Drive "A" ocated in Coflege Station Texas.
The sanitary sewer has been prepared in general conformance with the requireme,nts of
College Station and TxDOT.
The purpose of the report is to verify adequate capacity of the proposed sanitary sewer line tor
the drainage area discharging into the system for the commercial development.
The sanitary sewer analysis consists of a narrative plan with exhibits included in the
appendices.
PROJECT DESCRIPTION
Location and Outfat Information
The site ia located at approximately Latitude 30"38'01^N and Longitude 90
determined using the USGS map in the Wellborn SE Quadrangle Brazos County, Texas. The
site siopes to tho west and northwest of the property,
Existing Conditions
The site of the project is Iocated approximately just north of tho west corner 01 tho intersection
of Highway 6 and Highway 40 in Gotege Station, Texas. The site is bounded by Highway 6 to
the north, Highway 40 to the east and private development to the south and west.
The project size is approximately 16.F.) acres in size and is currently not developed (See Exhibit
2). The site consists of prirnarily clayy/roukv soil with min imai vegetaUon.
Sanitary Sewer Report
Tower Point Infrastructure Development Lots 7, 8, and 9 Page 2
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Proposed Site Conditions
Proposed developmen conssts of a commercaI retai shops with associated parking, drives,
sidewaik, and andscapng. The public infrastructure being constructed along Private Drive "A"
consists of now water mains and pubhc santary sewer systems. The public sanitary sewer wiU
be connected to an existing manhole with a 10" PVC sanitary sewer system located north of
the existing roundabout. The new sanitary sewer extension wifl extend to the oast and south
along private drive A with Iatera lines stubbed for future Iots on the north and south portion of
Drive A with a primary purposo to serve Lots 7, 8, & 9 for this phase.
SANITARY SEWER ANALYSIS
Existing Analysis
The existing sanitary sewer manhole approximately 200 feet north side of the round-about
which is the point of connection coflecting approxirnately 72.8 +1- acros of commercial
development. The existing 10" PVC sanitary sewer system north of the round-about has a
maximum peak hourly flow of 7.76x10A5gpd or 1.20cfs and slopes to the northwest along
Arrington Road.
Proposed Analysis
The proposed sanitary sewer drainage area discharging to the existing system is analyzed
below:
A=72.8 acres
Cupdm=30 pemons/acna
Retail=25gpd/person
Design (O" PVC) ~> [>^ ,r,
O Peak *ou* Flow }
O��* 218.400gpdor0.34ofo
Sanitary Sewer Re_port
Tower Point infrastructure Development Lots 7. 8, and Page
The proposed capacity and velocity calculations are provided in the appendix for the sanitary
sewer extension along Drive A and B.
FUTURE DEVELOPMENT
The sanitary sewer for the future development to the north of Private Drive "A" will be designed
and submitted to the city for approval as lots are developed for each phase.
CONCLUSION
The existing sanitary sewer system has adequate capacity to handle the new sanitary sewer
flows discharging to the existing system at the connection point located north of the existing
round-about.
Sanitary Sewer Report
Tower Pont infrastructure Development Lots 7, 8, and 9 Pogo 4
APPENDIX
Exhibit 1 Sanitary Sewer Layout
Exhibit 2 Proposed Sanitary Sewer Drainage Area
Exhibit 3 Proposed Sanitary Sewer Capacity and Velocity Calcuations
Sanitary Sewer Report
lower Point Infrastructure DevelopmRint, Lots 7. 8, and 9 Page 5
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