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Home My WebLink AboutWater Report Fire Flow Analysis & Water Service Report for Cherry Street Apartments College Station, Texas February 2015 Revised March 2015 Prepared By: Schultz Engineering, LLC TBPE Firm Registration No. 12327 2730 Longmire, Suite A College Station, Texas 77845 979.764.3900 ! o�`k * •le •,o• .* • DEVEN L. DOYEN 14 :• 109835 r► �1 E :��Q`� p3/2 ll FIRM # 12327 SCHULTZ ENGINEERING, LLC General Information Location: The development includes Block 20, Lots 1-8, W.C. Boyett Estate Partition, College Station, Texas. The project lots are located at the corner of Second Street and Cherry Street and at the corner of Cherry Street and Boyett Street. General Note: An 8"water line will connect to the existing 8"water line under the sidewalk on Second Street and extend to the proposed building. The 8" water line will be used for the fire line. Domestic and irrigation services will come off the 8" water line to serve the building and irrigation. Two fire hydrants are required to serve the project.The two existing fire hydrants will be used for hydrant flow. Land Use: Residential—Multi Family Design Criteria/Analysis Primary Water Supply: Existing 8"water line in Second&Cherry Streets and existing 6"water line in Boyett Street Domestic Demand: Fixture Units: 1281.6 Max.Demand Flow: 243 gpm-3"Water Meter Fire Flow: Second Street Apartments is proposed to have a 177,233 sf building. The building is proposed to be Type IIIA Construction per the International Building Code. In accordance with Table B105.1 of the International Fire Code,the minimum required fire hydrant flow is 6,000 gpm. The building is proposed to be fully sprinkled;therefore the minimum required fire flow is reduced to 3,000 gpm. Hydrants flowed at same time Existing System Pressure Tests:(Representative of the Flows and Pressures in the area)—Exhibit A Flow Hydrant:500 Boyett(A-053) Flowrate: 1,190 gpm Static Hydrant:309 College Main(A-046) Static Pressure: 71 psi Residual Pressure: 50 psi Existing System Pressure Tests:(Representative of the Flows and Pressures in the area)—Exhibit B Flow Hydrant: 404 Second(A-070) Flowrate:2,241 gpm Static Hydrant:309 College Main (A-046) Static Pressure: 71 psi Residual Pressure: 50 psi Total Flowrate:3,431gpm Exhibits: Exhibit A-Water System Flow Test Report Exhibit B—Water Exhibit Exhibit C—WaterCAD Analysis Summary Water System Analysis: The existing system was modeled using the domestic demand and the fire/domestic demand.The peak domestic demand is 243 and the fire domestic flow required for this site is 3,243 gpm.The lowest pressures for domestic and fire/domestic flow are 70.8 psi and 59.2 psi,respectfully.These pressures met the residual pressure requirements of 20 psi for fire flow and 35 psi for domestic flow.The maximum velocity is 9.79 ft/s under the fire/domestic scenario. Conclusion The existing system will provide the required water pressure and flowrate for both domestic and fire protection demands. Ex HTh h. CiCo Heg:e Station Utilities Reliable,Affordable, community Owned Date test completed Wednesday March 18, 2015 Time completed 1:00 P.M. Test completed by Justin Tamplin, Howard Mitchell Witness Craig Jones FLOW HYDRANT Location 404 Second St. and 500 Boyett (FLOWED AT SAME TIME) Nozzle size 4.5" on A-070 and the 2.5" on A-053 Hydrant number A-070 and A-053 Pitot reading in PSI 25psi on A-070 and 50psi on A-053 Flow in G.P.M. (2700gpm*0.83) on A-070 and the 1,190gpm on A-053 = 3,431 qpm STATIC HYDRANT Location 315 College Main Hydrant number A-046 Static PSI 71 Residual PSI 50 Comments Requested I \1/4 \ 0 h N i vim ism ZL_M Z`—M— o so goo SCALE IN FEET ••i--1\---- co '\ I I W-12 -* N 1 -4- \ w° LJ ' co >- f--- I I 1�i1 Ik L� D U col �.� < N c0 I I 3 U 3 W = W U it I- *(n —W-8 I co U_ E 1— Q LZ 1 N � I co I v 1 r��_ r 6k N —M 1 �O r: 9—M 8—M----_ --_____________i v^'GhUItZ En! SCALE EXHIBIT 2]30 L VERTICAL 97976XHIBI1 HORIZONTAL 1'=100' ) SURVEYED DESIGNED n MI£ STRONG OLD PLOTT/NOSCALE 1,1 Exhibit C WaterCAD Analysis Summary Pipe Analysis- Domestic Demand Pipe Hazen- Flow Velocity Length (ft) Size (in) Material Number Williams C (gpm) (ft/s) P-1 _ 12 8 PVC 150 36 0.23 P-2 201 8 PVC _ 150 36 0.23 P-3 235 8 PVC _ 150 -114 0.73 P-4 261 8 PVC 150 -114 0.73 P-5 576 12 PVC 150 -114 0.32 P-6 479 12 PVC 150 129 0.37 P-7 310 12 PVC 150 129 0.37 P-8 309 12 PVC 150 36 _ 0.1 P-9 52 8 PVC 150 36 0.23 P-10 796 6 PVC 150 36 0.4 P-11 56 6 PVC 150 36 0.4 P-12 425 8 PVC 150 93 0.6 P-13 334 8 PVC 150 93 0.6 P-14 36 8 PVC 150 93 0.6 P-15 _ 67 8 PVC 150 -150 0.96 P-RES 17 12 PVC 150 243 0.69 WaterCAD Analysis Summary Junction Analysis- Domestic Demand Junction Junction Elevation Demand Pressure (gpm) (psi) J-1 342 0 74.2 J-2 342 0 74.2 J-3 343 0 73.8 J-4 341.5 0 74.5 1-5 341 0 74.7 J-6 350 0 70.8 J-7 350 0 70.8 1-8 346.5 0 72.3 J-9 344 0 73.4 J-10 344.5 0 73.2 J-11 343 0 73.8 1-12 348.5 0 71.4 1-13 346 0 72.5 J-14 346 243 72.5 Exhibit C WaterCAD Analysis Summary Pipe Analysis- Fire Flow Demand (FH) Pipe Length (ft) Size (in) Material Hazen- Flow Velocity Number Williams C (gpm) (ft/s) P-1 12 8 PVC 150 545 3.48 P-2 201 8 PVC 150 -955 6.09 P-3 235 8 PVC 150 -1,534 9.79 P-4 261 8 PVC 150 -1,534 9.79 P-5 576 12 PVC 150 -1,534 4.35 P-6 479 12 PVC 150 1,709 4.85 P-7 310 12 PVC 150 1,709 4.85 P-8 309 12 PVC 150 545 1.55 P-9 52 ` 8 PVC 150 545 3.48 P-10 796 6 PVC 150 545 6.19 P-11 56 6 PVC 150 545 6.19 P-12 425 8 PVC 150 1,164 7.43 P-13 334 8 PVC 150 1,164 7.43 P-14 36 8 PVC 150 -336 2.15 P-15 67 8 PVC 150 -579 3.7 P-RES 17 12 PVC 150 3,243 9.2 WaterCAD Analysis Summary Junction Analysis- Fire Flow Demand (FH) Junction Junction Elevation Demand Pressure (gpm) (psi) J-1 342 0 60 J-2 342 1,500 60 J-3 343 0 60.7 J-4 341.5 0 64.5 J-5 341 0 68.2 J-6 350 0 65.3 J-7 350 0 64.3 J-8 346.5 0 65.1 J-9 344 0 66.1 J-10 344.5 0 65.7 J-11 343 0 60 J-12 348.5 0 60.8 J-13 346 1,500 59.2 J-14 346 243 59.2 a ,() Fire Flow Analysis & Water Service Report for Cherry Street Apartments College Station, Texas February 2015 Prepared By: Schultz Engineering, LLC TBPE Firm Registration No. 12327 2730 Longmire, Suite A College Station, Texas 77845 979.764.3900 #��!''Ni O�� N '• * 46 • DEVEN L. DOYEN 0 It.WOL5 4 r we. a e ...1'09855 �2 abler CLLt ada+c, ..'` •• 1C r1�_ .. � 3 -c1C�W - f• FIRM # 12327 AreSCHULTZ ENGINEERING, LLC - pit tti/15 'b --I-el I &( wCC-LA S fF u t‘ t I sl ov. cAuCu,(ascior,? General Information Location: The development includes Block 20, Lots 1-8, W.C. Boyett Estate Partition, College Station, Texas. The project lots are located at the corner of Second Street and Cherry Street and at the corner of Cherry Street and Boyett Street. General Note: An 8"water line will connect to the existing 8"water line under the sidewalk on Second Street and extend to the proposed building. The 8" water line will be used for the fire line. Domestic and irrigation services will come off the 8" water line to serve the building and irrigation. Two fire hydrants are required to serve the project.The two existing fire hydrants will be used for hydrant flow. Land Use: Residential—Multi Family Design Criteria/Analysis Primary Water Supply: Existing 8"water line in Second&Cherry Streets and existing 6"water line in Boyett Street Domestic Demand: Fixture Units: 1281.6 Max.Demand Flow: 243 gpm-3"Water Meter Fire Flow: Second Street Apartments is proposed to have a 177,233 sf building. The building is proposed to be Type IIIA Construction per the International Building Code. In accordance with Table B105.1 of the International Fire Code,the minimum required fire hydrant flow is 6,000 gpm. The building is proposed to be fully sprinlded;therefore the minimum required fire flow is reduced to 3,000 gpm. Existing System Pressure Tests:(Representative of the Flows and Pressures in the area)—Exhibit A Flow Hydrant:500 Boyett(A-053) Flowrate: 1,300 gpm Static Hydrant:309 College Main (A-046) Static Pressure: 72 psi Residual Pressure: 65 psi Existing System Pressure Tests:(Representative of the Flows and Pressures in the area)—Exhibit B Flow Hydrant:404 Second(A-070) Flowrate: 1,275 gpm Static Hydrant:309 College Main(A-046) Static Pressure: 72 psi Residual Pressure: 65 psi Exhibits: Exhibit A-Water System Flow Test Report Exhibit B—Water Exhibit Exhibit C—WaterCAD Analysis Summary Water System Analysis: The existing system was modeled using the domestic demand and the fire/domestic demand.The peak domestic demand is 243 and the fire domestic flow required for this site is 3,243 gpm.The lowest pressures for domestic and fire/domestic flow are 71.5 psi and 26.2 psi,respectfully.These pressures met the residual pressure requirements of 20 psi for fire flow and 35 psi for domestic flow.The maximum velocity is 9.79 ft/s under the fire/domestic scenario. Conclusion The existing system will provide the required water pressure and flowrate for both domestic and fire protection demands. p , , ' EXHIBIT A ClCol0 lege Station Utilities Reliable,Affordable, community Owned Date test completed Monday December 22, 2014 Time completed 9:30 A.M. Test completed by Eugene Marshall Witness Justin Tamplin FLOW HYDRANT Location 500 Boyett Nozzle size 2.5 Hydrant number A-053 Pitot reading in PSI 60 Flow in G.P.M. 1300 STATIC HYDRANT Location 309 College Main Hydrant number A-046 Static PSI 72 Residual PSI 65 Comments Requested EXHIBIT B elCit College Stations Utilities Reliable,Affordable, community Owned Date test completed Monday December 22, 2014 Time completed 9:30 A.M. Test completed by Eugene Marshall Witness Justin Tamplin FLOW HYDRANT Location 404 Second Nozzle size 2.5 Hydrant number A-070 Pitot reading in PSI 57 Flow in G.P.M. 1275 STATIC HYDRANT Location 309 College Main Hydrant number A-046 Static PSI 72 Residual PSI 65 Comments Requested Exhibit C WaterCAD Analysis Summary Pipe Analysis- Domestic Demand Pipe Hazen- Flow Velocity Number Length (ft) Size (in) Material Williams C (gpm) (ft/s) P-1 12 8 PVC 150 36 0.23 P-2 201 8 PVC 150 36 0.23 P-3 235 8 PVC 150 -114 0.73 P-4 261 8 PVC 150 -114 0.73 P-5 576 12 PVC 150 -114 0.32 P-6 479 12 PVC 150 129 0.37 P-7 310 12 PVC 150 129 0.37 P-8 309 12 PVC 150 36 0.1 P-9 52 8 PVC 150 36 0.23 P-10 796 6 PVC 150 36 0.4 P-11 56 6 PVC 150 36 0.4 P-12 425 8 PVC 150 93 0.6 P-13 334 8 PVC 150 93 0.6 P-14 36 8 PVC 150 93 0.6 P-15 67 8 PVC 150 -150 0.96 P-RES 17 12 PVC 150 243 0.69 WaterCAD Analysis Summary Junction Analysis- Domestic Demand Junction Junction Elevation Demand Pressure (gpm) (psi) 1-1 342 0 74.9 J-2 342 0 74.9 J-3 343 0 74.5 J-4 341.5 0 75.2 J-5 341 0 75.4 J-6 350 0 71.5 J-7 350 0 71.5 J-8 346.5 0 73 J-9 344 0 74.1 J-10 344.5 0 73.9 J-11 343 0 74.5_ J-12 348.5 0 72.1 J-13 346 0 73.2 J-14 346 243 73.2 Exhibit C WaterCAD Analysis Summary Pipe Analysis- Fire Flow Demand (FH) Pipe Hazen- Flow Velocity Number Length (ft) Size (in) Material Williams C (gpm) (ft/s) P-1 12 8 PVC 150 545 3.48 P-2 201 8 PVC 150 -955 6.09 P-3 235 8 PVC 150 -1,534 9.79 P-4 261 8 PVC 150 -1,534 9.79 P-5 576 12 PVC 150 -1,534 4.35 P-6 479 12 PVC 150 1,709 4.85 P-7 310 12 PVC 150 1,709 4.85 P-8 309 12 PVC 150 545 1.55 P-9 52 8 PVC 150 545 3.48 P-10 796 6 PVC 150 545 6.19 P-11 56 6 PVC 150 545 6.19 P-12 425 8 PVC 150 1,164 7.43 P-13 334 8 PVC 150 1,164 7.43 P-14 36 8 PVC 150 -336 2.15 P-15 67 8 PVC 150 -579 3.7 _ P-RES 17 12 PVC 150 3,243 9.2 WaterCAD Analysis Summary Junction Analysis- Fire Flow Demand (FH) Junction Junction Elevation Demand Pressure (gpm) (psi) J-1 342 0 27 J-2 342 1,500 27 J-3 _ 343 0 27.7 J-4 _ 341.5 0 31.5 J-5 341 0 35.2 J-6 350 0 32.4_ J-7 350 0 31.3 J-8 346.5 0 32.1 J-9 344 0 33.1 J-10 344.5 0 32.8 J-11 343 0 27.1 J-12 348.5 0 27.8 J-13 346 1,500 26.2 J-14 346 243 26.3 Summary of Calculations Domestic Demand Pressure Min. 71.5 Velocity Max 0.96 Pressure Min. 26.2 Domestic Demand & FH Velocity Max 9.79