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Home My WebLink AboutWater ReportRevised Water System Report for Spring Creek Townhomes, Phase 3 College Station, Texas August 2013 Prepared By; Schultz Engineering, LLC TBPE Firm No. 12327 P.O. Box 11995 College Station, TX 77842 2730 Longmire Drive, Suite A College Station, Texas 77845 (979)764-3900 F-12327 SCHULTZ ENGINEERING, U.C. Spring Creek Townhomes, Phases 2 & 3 Water System Report General Information Location: Spring Creek Townhomes, Phase 2 is located in southern College Station near the intersection of Decatur Drive and Arrington Road. They are immediately adjacent to Spring Creek Townhomes, Phase 1 and Spring Creek Gardens, Phase 1. This subdivision has 42 lots along Heath Drive and Dawn Lynn Drive. Land Use: Single Family Residential Design Criteria Primary Water Supply: Existing 12" line on Decatur Drive 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 C900 Roughness Coef: 150 (Hazen Williams) Hydraulic Software: Haestad Methods WaterCAD v.6.0 Existing City System Pressure Tests Flow Hydrant #: R-079 (Decatur @ Alexandria) Flowrate: 1405 gpm Static Hydrant #: R-039 (Spring Garden) Static Pressure: 104 psi (240 ft water) Residual Pressure: 100 psi (236 ft water) Applicable Exhibits: Exhibit B —College Station Utilities Flow Test Report Water System Summary } Pressure Min. Domestic Demand 101.5 psi - Velocity Max. (E 0.68 fps I Pressure Min. 96.7 psi Domestic Demand FH I Velocity Max. 7.06 fps Pressure Min. I 96.3 psi Domestic Demand FH2 � t Velocity Max. 7.06 fps Applicable Exhibits: Exhibit A — Water System Layout Appendix A — Water CAD Analysis Summary — Domestic Flow Appendix B — Water CAD Analysis Summary — Fire Flow Conclusion The proposed water system for Spring Creek Townhomes, Phase 3 meets or exceeds all of the design criteria for the City of College Station. Exhibit A Water System Layout I t I ? I 3 I .1 1 5 1 6 1 1 I 1 10 1 1t 1 12 1 13 1 14 1 15 1 16 1 I I I I I I I I I I I I I I I 1 I 17 1 t3 1 19 1 20 1 1 1 cs us ws —L — —cu wp ns —.—css —bus �—cas c+s ms us as c+s c.� 6 I I 20 21 BU CK 4 1BLOCK II II 1I 22 1 23 1 24 1 25 1 26R 7 I I I I I I II I I i1 I6 is 4I 5 I e 1 s I 9 I Io I 1I I 12 I 13 I 14 15 I 17 1 Ix 19 II I BLOCK 3 4 -101 1 N d, P7 2 �3 \ r 9-M _____.. _M _ —p -Mp -M p-Mp-MOB-M p-M 0-M 0-M 13 t a-M"x F Heath Drive \ \_ 12 v� BLOCK 2 BLOC 17S BLOCK 2 12 17 13 — \\ 1 i II 19 1 I I I I I I I 1 1 I 14 10 I 2 3 1 1 4 1 5 1 C 1 7 1 fi t 9 1 10 I 11 , — 10 cn 19 I LOCK — 9 _ 9 _c)_ -- x - \ x , — -- — -- 16 x ty zl 7 , ` 17 I / 6 16 I 15 34 13 12 — — ,13L0C'I{3 I i j BL -I 'KS d 18 --11 6 4 19 AT -- ti / 2 / �� 20 3 \e; 1 4 Dawh Ly 21 2 T Kd \ 0.`\W Dt7 -- V� \ BLOCK2 BLOCK2 \�a 22 32 — 31 BL( CK 2 90 29 28 / F 27 26 / / 25 � �` 7800 Drl BL CK 2 O� 80 40 0 80 �<4 ' A� 12 �� zs \ SCALE IN FEET =,<w_ s'/ 24 ` Schultz Engineering, LLC 9]301mpi1ra.9uXaA 9M19.l9fl.J9'A iflVE N0. 1333) SVflVfl'EO DESIGNED MPIi0VE4 "o NV. 0A" MEMM JPS MCF11 1 JPS 13d JUNEW13 SADDLE CREEK SUBDIVISION SCALE EXHIBIT WATER SYSTEM �9°� PHASE10 NaaroN.w 1•-w BRAZOS COUNTY, TEXAS LAYOUT Pa INQWM 1:1 pw Nurse 13-254 Exhibit B College Station Utilities Flow Test Report WMETIOMM-00 till# Date test completed Tuesday, May 28, 2013 Time completed Test completed by Witness Comments 15:00 DONNELL,JEFF Appendix A Water CAD Analysis Summary — Domestic Flow Appendix A WaterCAD Analysis Summary Pipe Analysis - Domestic Demand Pipe Number Length (ft) Size (in) Material Hazen- Williams C Flow (g m Velocity (ft/s) P-1 138 8 PVC 150 101 0.64 P-2 368 8 PVC 150 61 0.39 P-3 175 8 PVC 150 31 0.2 P-4 375 6 PVC 150 13 0.15 P-5 686 6 PVC 150 -24 0.28 P-6 137 4 PVC 150 6 0.15 P-res 14 8 PVC 150 107 0.68 Appendix A WaterCAD Analysis Summary Junction Analysis - Domestic Demand Junction Elevation Junction Demand (gpm) Pressure (psi) EX-FH 279 6 103.8 J-3 279.5 15 103.5 FH-2 280.6 30 103.1 J-5 281 12 102.9 FH-1 275 38 105.5 J-7 284.1 6 101.5 Appendix B Water CAD Analysis Summary — Fire Flow Appendix B WaterCAD Analysis Summary Pipe Analysis - Fire Flow Demand (FH-1) Pipe Number Length (ft) Size (in) Material Hazen- Williams C Flow (g m) Velocity (ft/s P-1 138 8 PVC 150 1,100 7.02 P-2 368 8 PVC 150 604 3.85 P-3 175 8 PVC 150 574 3.66 P-4 375 6 PVC 150 556 6.31 P-5 686 6 PVC 150 -482 5.47 P-6 137 4 PVC ISO 6 0.15 P-res 14 8 PVC 150 1,107 7.06 Appendix B WaterCAD Analysis Summary Junction Analysis - Fire Flow Demand (FH-1) Junction Elevation Junction Demand (gprn) Pressure (psi) EX-FH 279 6 101.1 J-3 279.5 15 99.9 FH-2 280.6 30 98.6 J-5 281 12 98 FH-1 275 1,038 97.5 J-7 284.1 6 96.7 Appendix B WaterCAD Analysis Summary Pipe Analysis - Fire Flow Demand (FH-2) Pipe Number Length (ft) Size (in) Material Hazen- Williams C Flow m Velocity ft/s P-1 138 8 PVC 150 1,100 7.02 P-2 368 8 PVC 150 851 5.43 P-3 175 8 PVC 150 -179 1.14 P-4 375 6 PVC 150 -197 2.24 P-5 686 6 PVC 150 -235 2.66 P-6 137 4 PVC 150 6 0.15 P-res 14 8 PVC 150 1,107 7.06 Appendix B WaterCAD Analysis Summary Junction Analysis - Fire Flow Demand (FH-2) Junction Elevation Junction Demand (gpm) Pressure (psi) EX-FH 279 6 101.1 J-3 279.5 15 99.9 FH-2 280.6 1,030 97.8 J-5 281 12 97.7 FH-1 275 38 100.7 J-7 284.1 6 96.3 Water System Report for Spring Creek Townhomes, Phase 3 College Station, Texas January 2008 Prepared By: Schultz Engineering, LLC TBPE Firm No. 12327 P.O. Box 11995 College Station, TX 77842 2730 Longmire Drive, Suite A College Station, Texas 77845 (979)764-3900 F-12327 SCHULTZ ENGINEERING, LLC. , �13 Spring Creek Townhomes, Phases 2 & 3 Water System Report General Information Location: Spring Creek Townhomes, Phase 2 is located in southern College Station near the intersection of Decatur Drive and Arrington Road. They are immediately adjacent to Spring Creek Townhomes, Phase 1 and Spring Creek Gardens, Phase 1. This subdivision has 42 lots along Heath Drive and Dawn Lynn Drive. Land Use: Single Family Residential Design Criteria Primary Water Supply: Existing 12" line on Decatur Drive 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 ydraulically remote point Pipe: QA PVC DR-14 90 OV Roughness Coeff: 150 (Hazen Williams) Hydraulic Software: Haestad Methods WaterCAD v.6.0 Existing City System Pressure Tests Flow Hydrant #: R-079 (Decatur @ Alexandria) Flowrate: 1405 gpm Static Hydrant #: R-039 (Spring Garden) Static Pressure: 104 psi (240 ft water) Residual Pressure: 100 psi (236 ft water) Applicable Exhibits: Exhibit B —College Station Utilities Flow Test Report Water System Summary Calculations Pressure Min. 101.5 psi Domestic Demand Velocity Max. 0.68 fps Pressure Min. 96.7 psi Domestic Demand FH 1 Velocity Max. 7.06 fps Pressure Min. 96.3 psi Domestic Demand FH2 Velocity Max. 7.06 fps Applicable Exhibits: Exhibit A — Water System Layout Appendix A — Water CAD Analysis Summary — Domestic Flow Appendix B — Water CAD Analysis Summary— Fire Flow Conclusion The proposed water system for Spring Creek Townhomes, Phase 3 meets or exceeds all of the design criteria for the City of College Station. Exhibit A Water System Layout am I I 1 3 I 4. 1 5 I 6 1 1 1 1 10 1 11 1 12 1 13 1 14 1 15 1 16 I I I I I I I I I I I I I I I I 1 1 1 1 I I I I -� Gl4 -OAS �-f/5 -�bS � pI3 M9 OAS ply CA3 t(14 1C `�\ACcCK4 I I I I I I -- 15 1 1 4 1 5 1 6 1 7 1 8 1 9 1 IO I 11 1 l2 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 AL �C'IC t t I I 1 2 t 3 80 40 0 80 SCALE IN FEET 2 / P 69Q' 4 Heath Drive n Ly \w Drive 32 �w 31 30 / / BL CK2 29 28 / 27 26 / / 2.5 bec / Vol 80 D� 1 a .... OAg12v� 17 1 18 1 19 1 20 1 1 1 20I 21 1 1 1 1 1 1 1 1 22 1 23 1 24 1 25 1 26A I I I I I I I I BLOCK_ BLOC.'K 2 I BI'C17 13 12 _ _ - I I8 14 -_ - i 10 ,a 19 ffil IS 9 64 20 16 8 � 21 i7 _ -7 D 6 �. 18 - - CCo — — s 19 - - _ 4 20 1 2 - - \ ALOCK2 BLOCK2 22 1/_ V A1,- 1K2 \ 23 L ICY 24 Schultz Engineering, LLC SADDLE CREEK SUBDIVISION SCALE EXHIBIT a, WATER SYSTEM p] SW TX PHASE 10 Ldepe 6lalby l%]]&5 HOfll$OMIL 1'e8f/ erexa ,]an sunvexo osswxso oSnF]I MJaexo. E2 BtaiZOS COUNTY TEXAS JPS Ptomxo scu5: i:t RWRpN py a,E NEflfl JPS qCF JPS 13259 JUNE 2013 LAYOUT FlmEx : M254 Exhibit B College Station Utilities Flow Test Report EXHIBIT B College station Utilities Reliable, Affordable, Community Owned Date test completed Tuesday, May 28, 2013 Time completed 15:00 Test completed by DONNELL, JEFF Witness Comments Appendix A Water CAD Analysis Summary — Domestic Flow Appendix A WaterCAD Analysis Summary Pipe Analysis - Domestic Demand Pipe Number Length (ft) Size (in) Material Hazen- Williams C Flow (g m) Velocity ft/s P-1 138 8 PVC 150 101 0.64 P-2 368 8 PVC 150 61 0.39 P-3 175 8__ PVC 15_0_ 31 0.2 P-4 _ 375 __ 6 PVC 150 13 0.15 P-5 686 6 4 PVC PVC 150 150 -24 6 0.28 0.15 P-6 137 P-res 14 8 r PVC F 150 F 107 F 0.68 Appendix A WaterCAD Analysis Summary Junction Analysis - Domestic Demand Junction Elevation Junction Demand (gpm) Pressure (psi) EX-FH 279 6 103.8 J-3 279.5 15 103.5 FH-2 280.6 30 103.1 J-5 ` 281 12 102.9 FH-1 275 38 105.5 J-7 284.1 6 101.5 . Appendix B Water CAD Analysis Summary — Fire Flow Appendix B WaterCAD Analysis Summary Pipe Analysis - Fire Flow Demand (FH-1) Pipe Number Length (ft) Size (in) Material Hazen- Williams C Flow ( m) Velocity (ft/s P-1 138 8 PVC ISO 1,100 7.02 P-2 368 8 PVC 150 604 3.85 P-3 175 8 PVC 150 574 3.66 P-4 375 6 PVC 150 556 6.31 P-5 686 6 PVC 150 -482 5.47 P-6 137 4 PVC 150 6 0.15 P-res 14 8 PVC 150 1,107 7.06 Appendix B WaterCAD Analysis Summary Junction Analysis - Fire Flow Demand (FH-1) Junction Elevation Junction Demand (Bpm) Pressure (psi) EX-FH 279 6 101.1 J-3 279.5 15 99.9 FH-2 280.6 30 98.6 J-5 281 12 98 — FH-1 275 1,038 97.5 J-7 284.1 6 96.7 — Appendix B WaterCAD Analysis Summary Pipe Analysis - Fire Flow Demand (FH-2) Pipe Number Length (ft) Size (in) Material Hazen- Williams C Flow ( m) Velocity (ft/s P-1 138 8 PVC 150 1,100 7.02 P-2 368 8 PVC 150 851 5.43 P-3 175 8 PVC 150 -179 1.14 P-4 375 6 PVC 150 -197 2.24 P-5____ 686 6 PVC 150 -235 2.66 P-6 137 4 PVC 150 6 0.15 P-res 14 8 PVC 150 1,107 7.06 Appendix B WaterCAD Analysis Summary Junction Analysis - Fire Flow Demand (FH-2) Junction Elevation Junction Demand (gpm) Pressure (psi) EX-FH 279 6 101.1 J-3 279.5 15 99.9 FH-2 280.6 _ 1,030 97.8 J-5 281 12 97.7 FH-1 275 38 100.7 1-7 284.1 6 96.3