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Home My WebLink AboutWater Report Water System Report for Saddle Creek Subdivision College Station, Texas November 2006 Prepared By: Civil Development, Ltd. 2900 Longmire Drive, Suite K College Station, Texas 77845 (979) 764-7743 c►� 65923 t:1 p • ,l/ .n/a6 .ti -&5 \ V\° vN�� General Information Location: Saddle Creek Subdivision is located in southern Brazos County, near the intersection of Wade Road and Stousland Road. General Note: There are 35 lots in the subdivision. Land Use: Single Family Residential WATER SYSTEM ANALYSIS Design Criteria Primary Water Supply: Existing 12"line along Stousland Road operated by Wellborn SUD. Domestic Demand: Avg. Pop Density: 2.67 people per lot Average Flow: 100 gpd/cap or 267 gpd per lot=0.18 gpm per lot Peaking Factor: 4 Peak Flow: 0.74 gpm per lot Design Flow: 1.50 gpm per lot Fire Demand: Fire Flow: 1000 gpm at most hydraulically remote point Pipe: PVC DR-14 C909 Roughness Coeff 150(Hazen Williams) Hydraulic Software: Haestad Methods WaterCAD v.6.0 Existing System Pressure Tests Flow Hydrant: Fire Hydrant on Stousland Road, south of Wade Road. Flowrate: 1300 gpm Guage Location: 5401 Stousland Road(hose bib on side of house) Static Pressure: 78 psi(180 ft water) Residual Pressure: 75 psi(173 ft water) Applicable Exhibits: Exhibit B—Flow Test Report Water System Analysis Summary As Criteria Required • Designed Location Min. Pressure-fire(psi) 20 • 75.56 SC 101 * Max. Velocity(fps) 12 2.93 P101 Max. Length of 6"pipe(ft) (connected to > 8"on both 1500 NA ends) Max Length of 6"pipe(ft) 1800 NA (not connected on both ends) Max. Length of 3"pipe(ft) 500 270 Note: The lowest water pressure occurred at SC101. The nearest fire hydrant to that point is at SC1 FH1. That is the location where a 1000 gpm fire demand was added for modeling purposes. Applicable Exhibits: Exhibit A—Water System Schematic Exhibit C—Summary of Results—Domestic Flow Exhibit D -Summary of Results—Fire Flow Conclusion The proposed water system for Saddle Creek Subdivision meets or exceeds all of the design criteria for the City of College Station. It will provide adequate water pressure and flow for both domestic and fire demands. . / • • tn 0 U G. ON dik/ .4 .-,-,;,0 f II U i N 1 \/\ i1 r • H 111' '� IIS 1 %, F 0 1i ." lch,,,,, ja U _-^"` p, 0 4 v) I1. I 11 LI 1 C 1-2-20 w I-- .. -- • EXHIBITSADDLE CREEK, *Cop"�nrLw .* 111. 11.1. 1111.11111111.1111111.1119 A WATER SYSTEM SCHEPHASEMATIC1 " 300 150 0 300 SCAT f- H f L.H T Exhibit B Water System Flow Test Report Date: November 16,2006 Water System Owner: Wellborn Special Utility District Development Project: Saddle Creek Subdivision Flow Test Location: Fire Hydrant @ 5401 Stousland Nozzle size (in.): 2.5 Discharge Coef: (c): 0.9 Pitot Reading (psi): 60 Flowrate formula: Q=29.84cd2p 1 i2 c=discharge coef. d=orifice size(in) p=pitot pressure(psi) Flowrate (gpm): 1300 computed Pressure Guage Location: Hose Bib on House at 5401 Straub Static (psi): 78 Residual (psi): 75 Report prepared by: 4, ,► - signature Kent Laza printed name Others present: Steven Cast Exhibit C Saddle Creek Subdivision Water System Analysis Static Flow Conditions Label Elevation Demand Hydraulic Grade Pressure (ft) (gpm) (ft) (Psi) SC1 FH1 284 3 466.00 78.74 SC1 FH2 276 0 465.99 82.20 SC1 FH3 273 6 465.99 83.50 SC1 FH4 273 0 465.99 83.50 SC1 FH5 282 0 465.99 79.60 SC101 286 0 466.00 77.88 SC102 275 7.5 465.99 � 82.63 SC103 274 9 465.92 83.04 SC104 273 4.5 465.99 83.50 SC105 275 4.5 465.99 82.63 Lowest Pressure in Ph 2&3= 77.88 Note: The lowest pressures shown above represent the most hydraulically remote location in the Ph 1 system. The nearest fire hydrant is SC1 FH1. This is the location where a 1000 gpm fire demand is placed for modeling purposes. Exhibit D Saddle Creek Subdivision Water System Analysis - Junction Summary Fire Flow Conditions ? Hydraulic Label Elevation Demand Grade Pressure (ft) (gpm) (ft) (psi) SC1 FH1 284 j 1,003.0 459.72 76.03 SC1 FH2 276 0.0 459.72 79.49 SC1 FH3 273 6.0 459.72 80.78 SC1 FH4 273 0.0 459.72 80.78 SC1 FH5 282 0.0 459.72 76.89 SC101 286 0.0 460.65 75.56 SC102 275 7.5 459.72 79.92 SC103 274 9.0 459.65 80.32 SC104 273 4.5 459.72 80.78 SC105 275 4.5 459.72 79.92 Lowest Pressure = 75.56 Exhibit E Saddle Creek Subdivision Water System Analysis - Pipe Summary Fire Flow Conditions Length Diameter Hazen- Discharge Velocity Label Material Williams C (ft) (in) (gpm) (ft/s) P101 446 12 PVC 150 -1,034.50 1 2.93 P102 898 12 PVC 1 150 -31.50 0.09 P103 103 12 1 PVC 1 150 -31.50 1 0.09 P104 264 3 PVC 150 9.00 0.41 P105 610 12 PVC 150 15.00 0.04 P106 796 12 PVC I 150 -9.00 0.03 P107 23 8 PVC 150 0.00 1 0.00 P108 994 8 1 PVC 150 0.00 0.00 P109 634 12 I PVC 150 -4.50 0.01 Highest Velocity= 2.93 Water System Report for Saddle Creek Subdivision College Station, Texas November 2006 Prepared By: Civil Development, Ltd. 2900 Longmire Drive, Suite K College Station, Texas 77845 (979) 764-7743 65923/4,7„0/06 0 00; GU .Q\-/ \\(\;\ \ c,(r) General Information Location: Saddle Creek Subdivision is located in southern Brazos County, near the intersection of Wade Road and Stousland Road. General Note: There are 35 lots in the subdivision. Land Use: Single Family Residential WATER SYSTEM ANALYSIS Design Criteria Primary Water Supply: Existing 12"line along Stousland Road operated by Wellborn SUD. Domestic Demand: Avg. Pop Density: 2.67 people per lot Average Flow: 100 gpd/cap or 267 gpd per lot=0.18 gpm per lot Peaking Factor: 4 Peak Flow: 0.74 gpm per lot Design Flow: 1.50 gpm per lot Fire Demand: Fire Flow: 1000 gpm at most hydraulically remote point Pipe: PVC DR-14 C909 Roughness Coeff 150(Hazen Williams) Hydraulic Software: Haestad Methods WaterCAD v.6.0 Existing System Pressure Tests Flow Hydrant: Fire Hydrant on Stousland Road,south of Wade Road. Flowrate: 1300 gpm Guage Location: 5401 Stousland Road(hose bib on side of house) Static Pressure: 78 psi(180 ft water) Residual Pressure: 75 psi(173 ft water) Applicable Exhibits: Exhibit B—Flow Test Report Water System Analysis Summary As Criteria RequiredDes Designed Location Min. Pressure-fire(psi) 20 75.56 SC101 * Max. Velocity(fps) 12 2.93 P101 Max. Length of 6"pipe(ft) (connected to > 8"on both 1500 NA ends) Max Length of 6"pipe(ft) 800 NA (not connected on both ends) Max. Length of 3"pipe(ft) 500 270 Note: The lowest water pressure occurred at SC101. The nearest fire hydrant to that point is at SC1 FHI. That is the location where a 1000 gpm fire demand was added for modeling purposes. Applicable Exhibits: Exhibit A—Water System Schematic Exhibit C—Summary of Results—Domestic Flow Exhibit D -Summary of Results—Fire Flow Conclusion The proposed water system for Saddle Creek Subdivision meets or exceeds all of the design criteria for the City of College Station. It will provide adequate water pressure and flow for both domestic and fire demands. / In c) a 1 c) 11) 4ir EL' ._, ...t. ''•,,,- iNO 4 *\„ 1 4 Lik4• .------"'.. I V) I I 1 i I I V/ r . . ‘.. le c, ,. 5...- \ L.-; - ••-' 0\... 4•4,tit, = -- v) . ___--- 0- E' —. 1 (-) v) 11 I ! i i u_ 1 c) LI! F 0 1.1 I- - ' ---- i I EXHIBIT SADDLE CREEK, PHASE 1 *CIVIL DEVELOPMENT,La* .== r011,-,,,;II it,, 1 ,,7'.., 0 WATER SYSTEM SCHEMATIC 300 150 0 30 SCALL IN ILI F Exhibit B Water System Flow Test Report Date: November 16, 2006 Water System Owner: Wellborn Special Utility District Development Project: Saddle Creek Subdivision Flow Test Location: Fire Hydrant @ 5401 Stousland Nozzle size(in.): 2.5 Discharge Coef: (c): 0.9 Pitot Reading (psi): 60 Flowrate formula: Q=29.84cd2p1i2 c=discharge coef. d=orifice size(in) p=pitot pressure(psi) Flowrate (gpm): 1300 computed Pressure Guage Location: Hose Bib on House at 5401 Straub Static (psi): 78 Residual (psi): 75 Report prepared by: td, ► i - signature I Kent Laza printed name Others present: Steven Cast Exhibit C Saddle Creek Subdivision Water System Analysis Static Flow Conditions Label Elevation Demand Hydraulic Pressure Grade (ft) (gpm) (ft) (psi) SC1 FH1 284 3 466.00 78.74 SC1 FH2 276 0 465.99 82.20 SC1 FH3 273 6 465.99 83.50 SC1 FH4 273 0 465.99 83.50 SC1 FH5 282 0 465.99 79.60 SC101 286 0 466.00 77.88 SC102 275 7.5 465.99 82.63 SC103 274 9 465.92 83.04 SC104 273 4.5 465.99 83.50 SC105 275 4.5 465.99 82.63 Lowest Pressure in Ph 2&3= 77.88 Note: The lowest pressures shown above represent the most hydraulically remote location in the Ph 1 system. The nearest fire hydrant is SC1 FH1. This is the location where a 1000 gpm fire demand is placed for modeling purposes. Exhibit D Saddle Creek Subdivision Water System Analysis - Junction Summary Fire Flow Conditions Hydraulic Label Elevation Demand Grade Pressure (ft) (gpm) (ft) (psi) SC1 FH1 284 1,003.0 459.72 76.03 SC1 FH2 276 0.0 459.72 79.49 SC1 FH3 273 6.0 459.72 80.78 SC1 FH4 273 0.0 459.72 80.78 SC1 FH5 282 0.0 459.72 76.89 SC101 286 0.0 460.65 75.56 SC102 275 7.5 459.72 79.92 SC103 274 9.0 459.65 80.32 SC104 273 4.5 459.72 80.78 SC105 % 275 4.5 459.72 79.92 Lowest Pressure = 75.56 Exhibit E Saddle Creek Subdivision Water System Analysis - Pipe Summary Fire Flow Conditions Length Diameter ' Hazen- Discharge Velocity Label Material 9 i (ft) (in) Williams C (gpm) (ft/s) P101 446 12 I PVC 150 I -1,034.50 2.93 P102 898 12 1 PVC 150 -31.50 0.09 P103 103 12 PVC 150 -31.50 0.09 P104 264 3 PVC 150 9.00 0.41 P105 610 12 PVC 150 15.00 0.04 P106 796 12 PVC 150 I -9.00 0.03 P107 23 j 8 PVC 150 0.00 I 0.00 P108 994 8 1 PVC 150 0.00 0.00 P109 634 12 I PVC 150 -4.50 0.01 Highest Velocity= 2.93