USA Request .San Antonio Children's Museum

Engineering Report:

a. San Antonio Children's Art and Science Museumb. Consultant Engineer Information

PAGGES Engineering1 UTSA Cir.Genaro Aguilargenaguilar@ hotmail.com

c. Developer's Contact InformationASTU Investors1 UTSA Cir.Julian Garciaqio076@my.utsa.edu

d. Location Map

e. Site map with elevation contours

See attached sheet "SITE MAP WITH ELEV ATION CONTOURS"

f. Total Acreage

The total area for our site is 2.9758 ac. Not all this acreage will be used; some willbe left intact to preserve trees.

g. Projected Flow stated in Equivalent Dwelling Units (EDU's)

The projected flow will be using 12 EDU's. The sewage flow will be 2880 gpdand the water flow will be 3756 gpd. The calculation sheet will be included in thisreport.

h. Statement of fire flow required

The public water system was designed to provide a minimum fire flow of 2000gallons per minute at 25 psi to the commercial lot shown on this plat.

1. Proposed source of service (point(s) of connection, size of main, slope)

The water line will be connected using the proposed line that will be placed forNRP apartments. We will extend this line from the west side of our property withan 8" main along the right of way. There is a sewer pipe we will connect to that ison the east side of the property. We will add two (2) manholes and six hundred(600) feet of 8" PVC piping for the sewer line. The slope of the sewer pipe will be.4%, similar to the slope that SAWS uses in their pipes.

J. Total linear feet of on-site andlor off-site mains

There will be a total of six hundred (600) feet of 8" sewer piping and two (2)manholes to connect to our site. For our water pipes, 2,089 feet of 12" ductile ironpipe will be needed to complete the water system. Our water line will have to berun all the way from the proposed NRP Apartment's frontage line to around 800feet west of our property on the right of way. This is required by SAWS toprovide water for future developments. Our site will need four (4) fire hydrants tocomply with the SAWS fire code which will be located in each of the four cornersof the building.

Additional Information

1. Sewer Layout in our site:

See "SEWER PLAN VIEW" sheet and "Sewer Plan Children's MuseumInformation" sheet for specific dimensions and calculations on the layout.

2. Water Layout in our site:

See "WATER PLAN VIEW" sheet and "Water Plan Children's MuseumInformation" sheet for specific dimensions and calculations on the layout.

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SITE MAp WITH ELEVATION CONTOURS

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FN042-4 REV A 6/09

San Antonio Water SystemInfrastructure Planning Equivalent Dwelling Unit (EDU) Calculation Sheet

Subdivision NameS'o.Y\. A-.-t-tvn ~ Ch.; IcL ~r~ Ay-i g,Set ...<.M..C-'>- M\JJ~\.NV)~lat 1.0.# --------The estimated Average Sewer Flows or Equivalent Dwelling Units that are shown on the SAWS Infrastructure Planning Application for SubdivisionPlat Reviewhas been calculated by one of the following methods:L---ECi';~lent Dwelling Units (EDU) calculation sheet. .

__ Engineering Study using actual consumption data from similar facilities based on twelve month data also submitted for review.__ Calculate estimated sewer discharge utilizing accepted SAWS referenced material.__ Unknown land use will be calculated at four (4) EDU's per acre.

SAWS has established recommended .guidelines to be employed for future discharge calculations which are shown next to the referenced facility. Thenumbers shown, for each type of development, are based on flow rate table measurements from TNRCC requlatlons, ASCE Manuals on EngineeringPractice, EPA Technology Transfer Manuals, Uniform Plumbing Code fixture unit count and other Wastewater Engineering texts. All applicants will usethese guidelines to calculate average daily flows or EDU's.

SAWS will accept sewage flow calculations for any proposed development which is derived through an engineering sludy of actual measured sewerflows for similar facilities in lieu of Ihe above criteria to determine the total estimatec average daily flow or EDU's for the proposed development. If thisdata is not provided or new calculalions are not submitted wilh initial plat package, Ihe undersigned will allow SAWS to calculate Ihe estimated averagedaily flows or EDU's at four EDU's per acre. The undersigned will then also accepl SAWS these EDU calculations as final.

Types of Development: Identify i!l! types of development that will be part of the proposed project and complete the related information listedfor each to calculate as Estimated Average Daily Flow (EADF) or Equivalent Dwelling Units (EDU's). Note: One (1) EDU equals 240 gallons perday as average sewage flow and 313 gallons per day for average water flow. (Circle type of units used - EADF or EDU's)

Single Family Homes (I EDU/Lot) [ I Manufactured Homes (1 EDUIPad) [ I Number LoIs Number Pads EADF or EDU's__

Apartments [ I.Duplexes [ I Town Homes [ I Condominiums [ 1 (0.5 EDU/Unil) Tolal Number of Units EADF or EDU's__Schools: Elementary [ I (5 g/student) [ 1 Middle (8 g/student) [ 1 High School (10. g/studenl) [ I University/College/Other (1Qg/student)

Number of Students Number of Faculty & Slaff EADF or EDU's__

~ [ 1(100. g/room) Motel [ 1 (50 g/room) Number of Rooms Number of Staff __ Swimming Pool EADF or EDU's _

Hospital (250. gibed) 1 Nursing Home (100 gibed) [ 1 other Number of Beds Number of Staff EADF or EDU's _

Commercial [ ndustrial [ I TBDBE Type of Product Water Consumption Effluent Discharged _

Number of Employees Number of Fixtures EADF or EDU's _\L2~__=-_(<?ontact SAWS Wastewater Comoliance Division if a portion of the flow is industrial wastewater. Phone 233-3557)

Office Building [ I (.0.35 g/sl) Building Square Footage Number of employees EADF or EDU's

Medical Building [ 1(.15 g/sf) Building Square Footage Number of employees EADF or EDU's

Restaurant [ I ~ [ I (20 g/seat) Number of Seats Business Hours EADF or EDU's

Fast Food [ I (4.4 edus per facility) Type of Food Served EADF or EDU's _

Cocktail Lounge [ I Night Club [ 1 TBDBE Number of Seals and at Bar Number of Employees EADF or EDU's

Health Club [ I Recreational Facilitv [ 1 TBDBE Building Square Footage Customers per day Swimming Pool Size _

Seals in Snack Bar Number of Restrooms Number of Showers EADF or EDU's

Department Store [ ] Retail Store [ ] (.07 gisf) Type of store Building Sq. Ft. Number of Customers _Number of Employees Snack Bar EADF or EDU's _

Grocery Store [ I Food Store [ I Convenience Stores [ 1 TBDBE Building Square Footage Number of Employees _

Business Hours Number of Customer Fuel Service EADF or EDU's _

Lauridries [ ] (20.0. g/machine) Number of Machines Business Hours EADF or EDU's _

Churches [ I Auditoriums [ I (5 Gal/Seat) Seating Capacity __ Number Rest Rooms _'__ Number of Fixtures EADF or EDU's _Car Wash [ I TBDBE (1.5 edu per Bay) Number of Bays Number Cars per Day '_ EADF or EDU's _

Automated Car Wash [ I TBDBE Gallons for Premium Wash Effluenl Discharged per Wash Number Cars per Day _

EADF or EDU's (Specifications Required)

Service stations [ ]1 edu Gas Stalion add 2 edu GroceryfTakeout Food add 15 edu Car Wash EADF or EDU's _

Theatre [ 1(1.5 g/seat) Number of seats Number of Employees EADF or EDU's

Other Type of Development Proposed Land Use Building Square Footage Number of Empl~yees _

Number of Customers Number of seats Number of Fixtures Business Hours EADF or EDU's _

Calculation work space for land use not shown: (Please type or print!n ink)

Additional Information: _

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Sewer Plan Children's Museum InformationConduit Information

Label Start Node Invert (Start) (ft) Stop Node Invert (Stop) (ft) Conduit TypeCO-l MH-l 957.13 MH-2 956.33 User Defined ConduitCO-2 MH-2 956.33 OF-l 954.73 User Defined Conduit

Conduit Shape Material Manning's n Diameter (in) Flow (cfs) Length (ft)Circular Pipe PVC 0.01 8 0.99 200Circular Pipe PVC 0.01 8 0.99 400

Slope Capacity (Full Flow) Elevation Elevation Hydraulic Grade(ft/ft) (cfs) Ground (Start) Ground (Stop) Line (In) (ft) Hydraulic Grade Line (Out) (ft)0.004 0.99 966 965.6 957.67 956.870.004 0.99 965.6 966 956.87 955.2

Velocity(Average) (ft/s)

3.243.24

Manhole InformationElevation (Ground) Set Rim to Elevation (Rim) Elevation (Invert)

Label (ft) Ground (ft) (ft) Flow (Known) (cfs)MH-l 966 TRUE 966 957.13 0.99MH-2 965.6 TRUE 965.6 956.33 0Flow (Total Out) Max Flow determined by

(cfs) EDU's (gpd)0.99 . 28800.99

Outflow InformationSet Rim to Ground Elevation Elevation (Rim) Elevation (Invert)

Label Elevation? (Ground) (ft) (ft) (ft) Boundary Condition TypeOF-l TRUE 966 966 954.73 Free Outfall

Flow (cfs)0.99

Error Report

Report Scenario Element Type Label Message44038 Museum Scenario Conduit CO-l Conduit does not meet44038 Museum Scenario Conduit CO-2 minimum slope constraint.

Fire Flow (Needed) Pressure (Residual Pressure (Zone Lower Limit)Label (gprn) Lower Limit) (psi) (psi)

J-2 a 0 0J-4 0 0 0H-1 2,000 2S 25H-2 2,000 25 25H-3 2,000 25 25H-4 2,000 25 25J-3 0 0 0J-5 a a a

Water Plan Children's Museum InformationFire Flow Report

Start Diameter Hazen- Flow Has CheckLabel Length (ft) Node Stop Node (in) Material Williams C (gpm) Valve?

P-1 73 R-l J-2 12 Ductile Iron 100 3 FALSE,P-2 100 J-2 J-3 12 Ductile Iron 100 3 FALSEP-3 1,000 J-3 J-4 12 Ductile Iron 100 a FALSEP-4 30 J-3 J-5 12 Ductile Iron 100 3 FALSEP-S 122 J-5 H-l 12 Ductile Iron 100 a FALSEP-6 140 H-l H-2 12 Ductile Iron 100 a FALSEP-7 242 H-2 H-3 12 Ductile Iron 100 a FALSEP-8 140 H-3 H-4 12 Ductile Iron 100 a FALSEP-9 242 H-4 H-l 12 Ductile Iron 100 0 FALSE

Velocity(ft/s)

0.010.01

00.01

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Piping Information

Junction InformationElevation Demand Hydraulic Pressure

Label (ft) (gpm) Grade (ft) (psi)J-2 963 a 1,063.00 43.3J-4 963 a 1,063.00 43.3

J-3 963 a 1,063.00 43.3

J-5 963 3 1,063.00 43.3

Label Hydrant Elevation Hydraulic Pressure

Status Lateral Length (ft) (ft) Grade (ft) (psi)H-1 Closed 20 968.7 1,063.00 40.8H-2 Closed 20 968.7 1,063.00 40.8

H-3 Closed 20 968.7 1,063.00 40.8H-4 Closed 20 968.7 1,063.00 40.8

Water Plan Children's Museum InformationHydrants Information

Worksheet for Sewer Pipe-a"

Project Description

Friction Method Manning Formula

Full Flow CapacitySolve For

Input Data

Roughness Coefficient

Channel Slope

Normal Depth

Diameter

Discharge

0.010

0.00400 ftlft

0.67 ft

0.67 ft

0.99 W/s

Results

Discharge

Normal Depth

Flow Area

Wetted Perimeter

Hydraulic Radius

Top Width

Critical Depth

Percent Full

Critical Slope

Velocity

Velocity Head

Specific Energy

Froude Number

Maximum Discharge

Discharge Full

Slope Full

Flow Type

0.99 ft3/s

0.67 ft

0.35 ft2

2.09 ft

0.17 ft

0.00 ft

0.47 ft

100.0 %

0.00551 ftlft

2.85 ftls

0.13 ft

0.79 ft

0.00

1.07 ft3/s

0.99 ft3/s

0.00400 ftlft

SubCritical

GVF Input DataDownstream Depth

Length

Number Of Steps

0.00 ft

0.00 ft

o

.GVF VUqJUll UCHCI. ....: ..

Upstream Depth

Profile Description

Profile Headloss

Average End Depth Over Rise

0.00 ft

0.00 ft

0.00 %

2/27/20139:51 :35 PM

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