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Home My WebLink AboutAppendix K - Water Hydraulic Analysis, Sewer Hydraulic Analysis and Utility Will-Serve Letters Appendix K Water Hydraulic Analysis, Sewer Hydraulic Analysis, and Utility Will-Serve Letters HUNSAKER & ASSOCIATES I R V I N E , I N C . PLANNING ENGINEERING SURVEYING GOVERNMENT RELATIONS IRVINE LOS ANGELES RIVERSIDE SAN DIEGO FOUNDING PARTNERS: RICHARD HUNSAKER TOM R. McGANNON JOHN A. MICHLER DOUGLAS G. SNYDER PRINCIPALS: FRED GRAYLEE BRADLEY HAY PAUL HUDDLESTON KAMAL H. KARAM DOUGLAS L. STALEY KRIS WEBER JOSEPH E. WIGHTMAN Three Hughes Irvine, California 92618-2021 (949) 583-1010 PH (949) 583-0759 FX www.hunsaker.com Water System Hydraulic Analysis Date: July 20, 2021 For: City of Fontana By: Katie O'Connor, P.E. Hunsaker & Associates Irvine, Inc. Project:Begonia Village at Route 66 Hunsaker & Associates Irvine, Inc. (H&A) is pleased to submit the Water System Hydraulic Analysis for the Begonia at Route 66 project. This analysis has been prepared to describe the proposed water system for the aforementioned multi-family development project in the City of Fontana. The project lies within the jurisdiction of the City of Fontana and Fontana Water Company and their standards have been used for this report. The Fontana Water Company consists of water facilities managed and maintained by San Gabriel Valley Water Company. Hydraulic models were prepared using Haestad Methods software to model various flows during steady state conditions. THE PROPOSED WATER SYSTEM FOR THE BEGONIA AT ROUTE 66 PROJECT MEETS THE DESIGN STANDARDS SPECIFIED BY THE FONTANA WATER COMPANY AND THE CITY OF FONTANA. This evaluation is based on existing and known conditions and should be re-evaluated if these conditions change or new information becomes available. Any interpretation of the information presented in this report should be referred to H&A to ensure the integrity of the results. Project Location The Begonia at Route 66 project is located adjacent to Foothill Blvd. in the City of Fontana. The general project location is shown on exhibit entitled, “Vicinity Map.” Summary of Findings 1.The development will include 423 multi-family dwelling units on a 10.64 acre site in the City of Fontana at the corner of Foothill Blvd. and Tokay Avenue. 2.Water supply is provided by the Fontan Water Company through an existing San Gabriel Valley Water Company water system. The Static Hydraulic grade was assumed to be 1509 feet based on a fire hydrant flow test on Tokay Avenue, included in the Appendix for Reference. 3.The proposed onsite water system consists of 8 and 10-inch diameter water mains. The proposed water system includes two connections to San Gabriel Valley Water Company water mains surrounding the project. The water system schematic is shown on the attached “Water Model Exhibit– Figure 1.” H&A G-4 4/14/98 Water System Hydraulic Analysis, con’t Begonia Village at Route 66, Fontana July 20, 2021 Page 2 4.The Begonia Village at Route 66 consists of a private on-site water system that connects to the existing San Gabriel water mains in two locations. The on-site water demands were calculated using fixture units for the proposed residential units. 5.H&A estimated the flow constant “K” using Affinity Laws to determine the HGL of the water supply at maximum demands and maximum demands plus 4000 gpm fire flow events. The flow constant for this water system is K = Q / Hf^0.54 where Hf is the difference (in feet) of the measured static and residual pressure at the test flow. The “K” value for the water system is estimated to be 500 based on the fire flow test included in the Appendix. 6.In order to calculate the pipe sizes, velocities and available pressure of the proposed water system for Begonia Village a Route 66, we have prepared a hydraulic model using WaterCad v7.0 by Haestad Methods. The summary of outputs from the model runs are included in the Appendix of this report. 7.The proposed water system provides pressures greater than 80 psi for all nodes during maximum demands calculated using fixture units. The minimum in-track maximum demand pressure experienced was 96 psi with an estimated HGL of 1508 feet at the modeled fire flow test hydrant on Tokay Avenue. The following table summarizes the model run: Table 1 – Summary of Maximum Demand Model Run Total Flow (gpm) Minimum in-tract Residual Pressure (node)(psi) 491 J-4 96 8.Fire flow requirement were taken for Begonia Village at Route 66 is 4000 gpm for 4 hours with a minimum pressure requirement of 2 psi. This fire flow was distributed between 3 proposed fire hydrants. 9.The proposed water system provides pressures greater than 20 psi during maximum demands plus 4000 gpm fire flow events as required by the Fire Department. The minimum residual pressure experience for the worst-case 4000 gpm fire flow event (split over three proposed fire hydrants) was 39 psi with an estimated HGL of 1451 feet at the modeled fire flow test hydrant on Tokay Avenue. The following table summarizes the MDD plus Fire Flow events: Table 3 - Summary of Fire Flow Model Runs Fire Flow Node Node Elevation FU+FF at Node Node HGL Residual Pressure Max Fixture Unit Demand + 4000gpm Fire Flow J-10 1304 ft 1333 gpm 1394 ft 39 psi J-13 13040 ft 1333 gpm 1399 ft 43 psi J-17 1303 ft 1333 gpm 1414 ft 48 psi H&A G-4 4/14/98 Water System Hydraulic Analysis, con’t Begonia Village at Route 66, Fontana July 20, 2021 Page 3 All domestic water meters will require individual pressure reduction devices to reduce the pressure to a maximum of 80 psi for each dwelling unit and commercial building within the project site We sincerely trust these calculations will provide sufficient evidence that the proposed water system is adequate for the proposed Begonia Village at Route 66 project. Please contact me at (949) 458-5437 if you have any questions. KO:klo: Enclosures xc: Ben Etemadi, H&A Tin Huynh, H&A W.O. 4423-8 (F:\1187\Engineering\SY_WS Study\Water\WT_Report.doc) Map No. 127 1 in = 150 ft ¯TOKAY AVE I R V I N E , I N C . PLANNING PH: (949)583-1010 SURVEYING FX: (949)583-0759Irvine, CA 92618Three Hughes ENGINEERING BEGONIA VILLAGE Scenario: FIXTURE UNIT Demand (FU) FlexTable: Junction Table Label Elevation (ft) Demand (gpm) Hydraulic Grade (ft) Pressure (psi) J-1 1306 0 1508 87 J-2 1302 0 1508 89 J-3 1306 0 1528 96 J-4 1306 31 1528 96 J-5 1306 16 1528 96 J-6 1305 16 1528 96 J-7 1306 31 1528 96 J-8 1305 0 1528 97 J-9 1305 47 1528 97 J-10 1304 0 1528 97 J-11 1302 175 1528 98 J-12 1300 175 1528 99 J-13 1300 0 1528 99 J-14 1300 0 1528 99 J-15 1295 0 1505 91 J-16 1297 0 1505 90 J-17 1303 0 1507 88 7/19/2021 Bentley Systems, Inc. Haestad Methods Solution Center 27 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666 Bentley WaterCAD V8i [08.11.00.30] 1 BEGONIA VILLAGE Scenario: FIXTURE UNIT Demand (FU) FlexTable: Pipe Table Label Diam. (in) Length (ft) Start Node Stop Node Hazen- Williams C Flow (gpm) Velocity (ft/s) Headloss (Friction) (ft) P-1 8 142 J-1 J-2 120 0 0.00 0.00 P-2 8 33 J-2 PBV-1 130 0 0.00 0.00 P-3 10 11 PBV-1 J-3 130 0 0.00 0.00 P-4 10 110 J-3 J-4 130 0 0.00 0.00 P-5 10 37 J-4 J-5 130 31 0.13 0.00 P-6 10 124 J-5 J-6 130 47 0.19 0.00 P-7 10 43 J-6 J-7 130 63 0.26 0.00 P-8 10 109 J-7 J-8 130 94 0.38 0.01 P-9 8 97 J-8 J-9 130 47 0.30 0.01 P-10 10 43 J-8 J-10 130 141 0.58 0.01 P-11 10 159 J-10 J-11 130 141 0.58 0.03 P-12 10 207 J-11 J-12 130 316 1.29 0.15 P-13 10 74 J-12 J-13 130 491 2.01 0.12 P-14 10 13 J-13 J-14 130 491 2.01 0.02 P-15 10 22 J-14 PBV-2 130 491 2.01 0.04 P-16 10 43 J-15 PBV-2 130 491 2.01 0.07 P-17 17 436 J-15 J-16 120 491 0.69 0.06 P-18 8 335 J-16 J-17 120 491 3.13 1.90 P-19 8 79 J-17 J-1 120 491 3.13 0.45 P-20 8 32 J-1 R-1 120 491 3.13 0.18 7/19/2021 Bentley Systems, Inc. Haestad Methods Solution Center 27 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666 Bentley WaterCAD V8i [08.11.00.30] 2 BEGONIA VILLAGE Scenario: FIXTURE UNIT Demand (FU) FlexTable: PBV Table Label Elevation (ft) Valve Diameter (in) Pressure Setting (Initial) (ft) Flow (gpm) Headloss (ft) PBV-1 1,302.00 10 10 0 23.12 PBV-2 1,299.00 10 10 491 23.12 7/19/2021 Bentley Systems, Inc. Haestad Methods Solution Center 27 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666 Bentley WaterCAD V8i [08.11.00.30] 3 BEGONIA VILLAGE Scenario: FIXTURE UNIT Demand (FU) FlexTable: Reservoir Table Label Elevation (ft) Flow (Out net) (gpm) Hydraulic Grade (ft) R-1 1508 491 1508 7/19/2021 Bentley Systems, Inc. Haestad Methods Solution Center 27 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666 Bentley WaterCAD V8i [08.11.00.30] 4 BEGONIA VILLAGE Scenario: FIXTURE UNIT + FIRE FLOW Demand (FU+FF) FlexTable: Junction Table Label Elevation (ft) Demand (gpm) Hydraulic Grade (ft) Pressure (psi) J-1 1306 0 1440 58 J-2 1302 0 1440 60 J-3 1306 0 1394 38 J-4 1306 31 1394 38 J-5 1306 16 1394 38 J-6 1305 16 1394 38 J-7 1306 31 1394 38 J-8 1305 0 1394 38 J-9 1305 47 1394 38 J-10 1304 1333 1394 39 J-11 1302 175 1395 40 J-12 1300 175 1398 42 J-13 1300 1333 1399 43 J-14 1300 0 1400 43 J-15 1295 0 1357 27 J-16 1297 0 1359 27 J-17 1303 1333 1414 48 7/19/2021 Bentley Systems, Inc. Haestad Methods Solution Center 27 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666 Bentley WaterCAD V8i [08.11.00.30] 5 BEGONIA VILLAGE Scenario: FIXTURE UNIT + FIRE FLOW Demand (FU+FF) FlexTable: Pipe Table Label Diam. (in) Length (ft) Start Node Stop Node Hazen- Williams C Flow (gpm) Velocity (ft/s) Headloss (Friction) (ft) P-1 8 142 J-1 J-2 120 121 0.77 0.06 P-2 8 33 J-2 PBV-1 130 121 0.77 0.01 P-3 10 11 PBV-1 J-3 130 121 0.49 0.00 P-4 10 110 J-3 J-4 130 121 0.49 0.01 P-5 10 37 J-4 J-5 130 90 0.37 0.00 P-6 10 124 J-5 J-6 130 74 0.30 0.01 P-7 10 43 J-6 J-7 130 58 0.24 0.00 P-8 10 109 J-7 J-8 130 27 0.11 0.00 P-9 8 97 J-8 J-9 130 47 0.30 0.01 P-10 10 43 J-8 J-10 130 20 0.08 0.00 P-11 10 159 J-10 J-11 130 1353 5.53 1.71 P-12 10 207 J-11 J-12 130 1528 6.24 2.80 P-13 10 74 J-12 J-13 130 1703 6.96 1.22 P-14 10 13 J-13 J-14 130 3037 12.40 0.63 P-15 10 22 J-14 PBV-2 130 3037 12.40 1.04 P-16 10 43 J-15 PBV-2 130 3037 12.40 2.05 P-17 17 436 J-15 J-16 120 3037 4.29 1.84 P-18 8 335 J-16 J-17 120 3037 19.38 55.49 P-19 8 79 J-17 J-1 120 4370 27.89 25.80 P-20 8 32 J-1 R-1 120 4491 28.66 11.05 7/19/2021 Bentley Systems, Inc. Haestad Methods Solution Center 27 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666 Bentley WaterCAD V8i [08.11.00.30] 6 BEGONIA VILLAGE Scenario: FIXTURE UNIT + FIRE FLOW Demand (FU+FF) FlexTable: PBV Table Label Elevation (ft) Valve Diameter (in) Pressure Setting (Initial) (ft) Flow (gpm) Headloss (ft) PBV-1 1302 10 20 121 46 PBV-2 1299 10 20 3037 46 7/19/2021 Bentley Systems, Inc. Haestad Methods Solution Center 27 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666 Bentley WaterCAD V8i [08.11.00.30] 7 BEGONIA VILLAGE Scenario: FIXTURE UNIT + FIRE FLOW Demand (FU+FF) FlexTable: Reservoir Table Label Elevation (ft) Flow (Out net) (gpm) Hydraulic Grade (ft) R-1 1451 4491 1451 7/19/2021 Bentley Systems, Inc. Haestad Methods Solution Center 27 Siemon Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666 Bentley WaterCAD V8i [08.11.00.30] 8 WATER DEMAND CALCULATIONS BIG HOUSE (12-PLEX) WRAP BUILDING TOTAL FIXTURE UNITS DEMAND (GPM)BUILDING TYPE FIXTURE UNITS J 1 0 0 0 0 BIG HOUSE (12-PLEX)114 J 2 0 0 0 0 WRAP BUILDING 2121 J 3 0 0 0 0 J 4 2 0 228 31 J 5 1 0 114 16 J 6 1 0 114 16 J 7 2 0 228 31 J 8 0 0 0 0 J 9 3 0 342 47 J 10 0 0 0 0 J 11 2 0.5 1288.5 175 J 12 2 0.5 1288.5 175 J 13 0 0 0 0 J 14 0 0 0 0 J 15 0 0 0 0 J 16 0 0 0 0 J 17 0 0 0 0 13 1 3603 490 NODE TOTALS Description Static Max Flow (FU) FU+ 4000 FF * ** Orifice Dia 4.0 in. Static Pressure 88 psi 203 feet Residual Pressure 78 psi 180 feet Pitot Reading 40 psi Observed Flow 2,718 gpm Test Elevation 1,306 feet Affinity Equations: • • • • QF K Affinity Constant: (Using Flow Test Values) K =500 HUNSAKER & ASSOCIATES I R V I N E , I N C. HGL Calculation Based on Hydrant Test on Tokay Ave. Desired Flow QF (gpm) Dynamic Loss HF (feet)* Available HGLF (feet)**Test Run 0 0.00 1,509 1 490 0.96 1,508 2 HR^0.54 QR is Test Flow 4,490 58.03 1,451 3 HF is Static minus Residual (in feet) at Desired Flow HGLF = Test Elevation + Static Pressure - HF QF is Desired Flow HR is Static minus Residual (in feet) at Test Flow HF =()^1.85 Hydrant Test Data: K =QR K is Affinity Constant F:\1187\Engineering\SY_WS Study\Water\ Hydrant Test HGL.xls Tokay Ave Page 1 of 1 ENGINEERING DEPARTMENT 15966 ARROW ROUTE  FONTANA, CALIFORNIA 92335  (909) 201-7375  Fax (909) 201-7377 January 14, 2021 Mr. Rod Fermin Begonia Real Estate and Development, Inc 300 Spectrum Center Dr., Suite 400 Irvine, CA 92618 Subject: 15926 Foothill Blvd. Fontana, CA Dear Mr. Fermin: In response to your request, we are furnishing herewith fire flow information based upon the results of a flow test conducted near the subject location. The results are as follows: Static Water Pressure 88 PSI Pitot Reading 40 PSI Observed Flow 2718 GPM Residual Water Pressure 78 PSI Please be reminded that the flow information listed above indicates the capability of the water system at the time the test was made. Since the capacity of the water system may vary as a result of many factors, including changes in demand placed on the water system by our customers, we recommend that you give adequate consideration to these variations when performing your analysis. If you need any additional information or have questions, please call me on my direct line (909) 201-7347 or via e-mail at lzzhou@sgvwater.com. Very truly yours, Liuzong Zhou, P.E. 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1999 17 3/8" GWMR4908F-1 2004 17 3/8" GWBR 4523F-1 200117 3/8" GWBR 4523F-1 2001 12 3/4" GWBR 2584F-4 1986 10" PKHN 2584F-1 1986 6 5/8" GWBR4244F-1 1998 12 3/4" GWMR 4244F-1 1998 17 3/8" GWBR 4523F-1 2001 8 5/8" FWMR 1886-1F 1970 12 3/4" FWMR1853-1F 1970 12 3/4" FWMR1273F 1957 17 3/8" GWBR 4908F-1 2004 17 3/8" GWMR 4908F-1 2004 17 3/8" GWBR4523F-1 2001 8 5/8" FWMR 1886-1F 1970 8"PKHN 2584F-1 1986 10" PKHN 2584F-1 198610" PKHN2584F-1 19868"PKHN 2584F-1 1986 8" QYHN 2828F-1 1986 8" QYHN 3043F-1 19878" QYHN2828F-1 19868"QYHN 2828F-1 19868"QYHN 2827F-1 1986 8" QYHN 2823F-1 1986 6" PJKN 1937-1F 19716" PJKN 1853-1F 1970 4" JLEK 1853-1F 1970 17 3/8" GWMR 4908F-1 2004 6" PJKN 1853-1F 1970 17 3/8" GWMR 4908F-1 2004 17 3/8" GWBR 4523F-1 2001 123/4"GWMR3673F-119938 5/8" GWMR 4342F-3 1999 12" LCCG 1853-1F 1970 8" PKHN 2474F 19838" PKHN 2474F 198312" DWBB 1273F 1957 12 3/4" GWBR 4446F-4 20006" GWBR 357 19328" QYHN 2823F-1 1986 8" PKHN2474F 198317 3/8" GWBR 4523F-1 20018" QYHN2823F-4 19868" G WBA 260 192 68" QYHN2823F-1 19868" QYHN2823F-1 1986 12 3/4" GWMR 3673F-1 19936" LCCG 997 19528 5/8" GWBR 5792F-1 2014 10" PKHN 2584F-1 19868" QYHN 3043F-1 19878" QYHN 3043F-1 19878 5/8"GWBR 5837F-1 2014 6" PJKN 1853-1F 19704" BWAL 752 19464"BWAL 752 1946 6 5/8" GWBR 6265F-1 2018 6 5/8" GWBR 6265F-1 2018628756548165478655266552865473652886535365532655246555365523655316552765525652526522665237652256525465304 65308 6548065460324726545865459654796548265555524126523665233652346525365354653576535665359653356528965352653516369565355611136250665551655474006965605 65601655466518365182651416509573934 5994971865 4360745122 38496 392093448065137 55965 65100650946509665048650746560465056 655746557240352 45761600045264166013 66016660176556765053 61950619516543265050654576513665055 65057 65058 4576365358702047468574684655686557065456 5994659950601226039365521130301898665099650976523565188654125994561530599483363263226079865052 65051 26313 35236 934539469 983066141 66015656066997165455 37782475994759864915 5995265409650493448165054 5691060439649163946739466 457624512466215 6961765301 63504 93489349934793465240016780 1048310715110911109266174 6513860448651406455940503651396509865232652406519065181651846444965433650936507566175 66012 66140 4050266014 51935 43820 6444866150 45822 69562 40504604496541365411652295908266022 37861 66148 66149 64421601096603566033659576585265231591776523066023661516584365958 654356518653551489546522866025575706555064917655486557365571441955433840506405074365165251 63479655496584166027655696556665565658356077769957 71707 61639 69963 3947065844652506522742277653486541066026660286583465302464796543465431652856603465954659536595189769053600 14 65303 65307 899074037 70906 70558 19736 18987 40347 65292 65291 65305 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37843035BV11727BV11726 BV11720 BV11721BV11725 5389 539153906057 BV9139BV9137BV86837450BV9138 BV8684BV11729BV1172811718 5388 5591 559013225 14054 3090 29862984 2985 2983 BV11719 5387BV11724 5393 7441BV947412217BV8685 727 3526 35277442 7449559855965594 5595 5599 5597 BV11723 14501605960581450314502 11733 1572915728 FH 2401F FH 2647FFH 4019FFH 5032F FH 5033FFH 2754FFH 2649FFH 2646FFH 2478FFH 2101FFH 2400F FH 1515F FH 3556FFH 5031FFH 2280F FH 3673FFH 4212FFH 5030F FH 3060FFH 1636FFH 2648FFH 1512F FH 1513F FH 1514FFH 988F FH 4068FFH 5029FFH 2645FFH 1025F FH 1511FFH 2542FFH 5647FFH 2955F FH 4316FFH 2644FFH 2482FFH 2481FFH 2479FFH 2480FFH 1516F FH 938FFH 5991FFH 5732FFH 5733FFH 5734FFH 1322F57 ' 48.5 ' 5 ' 8 ' 16 ' 28 ' 15 ' 13 ' 13 ' 13 ' 10 ' 39 ' 47 ' 47 ' 43 ' 30 ' 8 ' 11 ' 11 ' 8 ' 14 ' 15 ' 28 ' 12.5 ' 12 ' 24 ' 42 ' 14 ' 24 ' 8.5 ' 8 ' 30 ' 29 ' 47 ' 7 ' 29 ' 29 ' 29 ' 22 ' 29 ' 37 ' 16 ' 16 ' 10 ' 8 ' 8 ' 95 ' 8.5 ' 12.5 ' 45 ' ±FWC WATER ATLAS BOOK DISCLAIMER: This map represents a visual aid intended to assist Public Utility Department personnel with the management of Water System facilities. Data provided hereon is not a guaranteeof actual field conditions nor a substitute for record drawings and field verification. Old Map NOT FOR CONSTRUCTION USE Scale: 1" = 100' 8215 Jan 15, 20208115 8114 8214 8314 8315 831682168116 8215 127, 128, 147, 148 WATER METER & RPZA 6 2ΤΓΥΥΩΤΓ.ΘΥΥ%ΩΤΞΓΨΚςϑ5ςΤΧΚΠΓΤ 4ΧςΓΘΗ(ΝΘΨ)2/2ΤΓΥΥΩΤΓ.ΘΥΥ25+6 2ΤΓΥΥΩΤΓ.ΘΥΥ%ΩΤΞΓΨΚςϑ5ςΤΧΚΠΓΤ 4ΧςΓΘΗ(ΝΘΨ)2/2ΤΓΥΥΩΤΓ.ΘΥΥ25+6 2ΤΓΥΥΩΤΓ.ΘΥΥ%ΩΤΞΓΨΚςϑΘΩς5ςΤΧΚΠΓΤ 4ΧςΓΘΗ(ΝΘΨ)2/2ΤΓΥΥΩΤΓ.ΘΥΥ25+2ΤΓΥΥΩΤΓ.ΘΥΥ%ΩΤΞΓΨΚςϑ5ςΤΧΚΠΓΤ 6 2ΤΓΥΥΩΤΓ.ΘΥΥ%ΩΤΞΓΨΚςϑ5ςΤΧΚΠΓΤ 4ΧςΓΘΗ(ΝΘΨ)2/2ΤΓΥΥΩΤΓ.ΘΥΥ25+6 #ΕΕΩΤΧΕ[%ΩΤΞΓ 4ΧςΓΘΗ(ΝΘΨ)2/#ΕΕΩΤΧΕ[6 #ΕΕΩΤΧΕ[%ΩΤΞΓ 4ΧςΓΘΗ(ΝΘΨ)2/#ΕΕΩΤΧΕ[6 #ΕΕΩΤΧΕ[%ΩΤΞΓ 4ΧςΓΘΗ(ΝΘΨ)2/#ΕΕΩΤΧΕ[6 #ΕΕΩΤΧΕ[%ΩΤΞΓ 4ΧςΓΘΗ(ΝΘΨ)2/#ΕΕΩΤΧΕ[ 6 2ΤΓΥΥΩΤΓ.ΘΥΥ%ΩΤΞΓΨΚςϑ5ςΤΧΚΠΓΤ 4ΧςΓΘΗ(ΝΘΨ)2/2ΤΓΥΥΩΤΓ.ΘΥΥ25+6 2ΤΓΥΥΩΤΓ.ΘΥΥ%ΩΤΞΓΨΚςϑ5ςΤΧΚΠΓΤ 4ΧςΓΘΗ(ΝΘΨ)2/2ΤΓΥΥΩΤΓ.ΘΥΥ25+6 2ΤΓΥΥΩΤΓ.ΘΥΥ%ΩΤΞΓΨΚςϑ5ςΤΧΚΠΓΤ 4ΧςΓΘΗ(ΝΘΨ)2/2ΤΓΥΥΩΤΓ.ΘΥΥ25+6 #ΕΕΩΤΧΕ[%ΩΤΞΓ 4ΧςΓΘΗ(ΝΘΨ)2/#ΕΕΩΤΧΕ[6 #ΕΕΩΤΧΕ[%ΩΤΞΓ 4ΧςΓΘΗ(ΝΘΨ)2/#ΕΕΩΤΧΕ[6 #ΕΕΩΤΧΕ[%ΩΤΞΓ 4ΧςΓΘΗ(ΝΘΨ)2/#ΕΕΩΤΧΕ[ # ∃ ∋ % & ( HUNSAKER & ASSOCIATES I R V I N E , I N C . PLANNING ENGINEERING SURVEYING GOVERNMENT RELATIONS IRVINE LOS ANGELES RIVERSIDE SAN DIEGO FOUNDING PARTNERS: RICHARD HUNSAKER TOM R. McGANNON JOHN A. MICHLER DOUGLAS G. SNYDER PRINCIPALS: FRED GRAYLEE BRADLEY HAY PAUL HUDDLESTON KAMAL H. KARAM DOUGLAS L. STALEY KRIS WEBER JOSEPH E. WIGHTMAN Three Hughes Irvine, California 92618-2021 (949) 583-1010 PH (949) 583-0759 FX www.hunsaker.com Sewer System Hydraulic Analysis Date: July 20, 2021 For: City of Fontana By: Katie O'Connor, P.E. Hunsaker & Associates Irvine, Inc. Project:Begonia Village at Route 66 Hunsaker & Associates Irvine, Inc. (H&A) is pleased to submit the Sewer System Hydraulic Analysis for the Begonia Village at Route 66 project. This analysis has been prepared to describe the proposed sewer system for the aforementioned multi- family development project in the City of Fontana. The project lies within the jurisdiction of the City of Fontana and their standards have been used for this report. Hydraulic models were prepared using Bentley Systems modeling software to model the peak flows the proposed sewer systems would experience. THE PROPOSED SEWER COLLECTION SYSTEM FOR BEGONIA VILLAGE AT ROUTE 66 PROJECT MEETS THE DESIGN STANDARDS SPECIFIED BY THE CITY OF FONTANA.This evaluation is based on existing and known conditions and should be re-evaluated if these conditions change or new information becomes available. Any interpretation of the information presented in this report should be referred to H&A to ensure the integrity of the results. Project Location The Begonia Village at Route 66 project is located adjacent to Foothill Blvd. in the City of Fontana. The general project location is shown on exhibit entitled, “Vicinity Map.” Summary of Findings 1. The development will include 423 multi-family dwelling units on a 10.64 acre site in the City of Fontana at the corner of Foothill Blvd. and Tokay Avenue. 2. The proposed sewer private onsite sewer main/ lateral connection into the existing sewer system has be analyzed to ensure sufficient capacity. The attached “Sanitary Sewer Exhibit” identifies point of sewer connection as well as the proposed and existing sewer mains. 3. The proposed onsite sewer collection system consists of 8-inch diameter mains to be constructed at slopes of one percent or greater. 4. The total estimated sanitary sewer flows for the proposed Begonia Village at Route 66 were based upon the City of Fontana design criteria as provided for in the City of Fontana 2013 Sewer System Master Plan. The sanitary sewer flows include the estimated future wastewater flows from the drainage area based upon the proposed land use. Table 4-3 from the City of Fontana 2013 Sewer System Master Plan identifies the multi-family residential design unit flow rate of 5200 gallons per day per acre (gpd/acre) and 289 gpd/unit. H&A G-4 4/14/98 Sewer System Analysis Begonia Village at Route 66, Fontana July 20, 2021 Page 2 Table 1: FLOW RATES PER 2013 SEWER MASTER PLAN LAND USE NUMBER OF UNITS AREA (acres) UNIT FLOW RATE (gpd/unit) FLOW RATE (gpd) FLOW RATE (cfs) Multi-family Residential 423 10.64 289 122,247 0.19 5. The sewer system for Begonia Village at Route 88 was designed to meet all of the design criteria contained within the City of Fontana standards 6. In order to calculate the pipe sizes and capacity of the proposed sewer system for Begonia Village at Route 66, we have prepared a hydraulic model using Bentley FlowMaster V8i. The summary of outputs from the model runs is included in the Appendix of this report. We sincerely trust these calculations will provide sufficient evidence that the proposed sewer system is adequate for the proposed Begonia Village at Route 66. Please contact me at (949) 458-4537 if you have any questions. KO:klo Enclosures xc:Ben Etemadi, H&A Tin Huynh, H&A W.O. 4423-8 (\\ashur\projects\1187\Engineering\SY_WS Study\Sewer\Fontana_SS report.doc) Map No. 127 1 in = 150 ft ¯TOKAY AVE I R V I N E , I N C . PLANNING PH: (949)583-1010 SURVEYING FX: (949)583-0759Irvine, CA 92618Three Hughes ENGINEERING APPENDIX Begonia Village at Route 66, Fontana Proposed Onsite Sewer System FlowMaster Calculations BASE.fm8 Project Engineer: Hunsaker & Associates Inc 7/14/2021 12:50:00 PM Bentley Systems, Inc. Haestad Methods Solution Center FlowMaster [08.01.058.00] 27 Siemons Company Drive Suite 200 W Page 1 of 1 Watertown, CT 06795 USA +1-203-755-1666 Project Description Worksheet:Reach - 1 Flow Element:Circular Pipe Friction Method:Manning Formula Solve For:Normal Depth Input Data Roughness Coefficient 0.013 Channel Slope 0.010 ft/ft Diameter 8 in Discharge 0.19 ft3/s Results Normal Depth 2.16 in Flow Area 0.08 ft² Wetted Perimeter 0.73 ft Top Width 0.59 ft Critical Depth 0.20 ft Percent Full 26.60 % Critical Slope 0.00644 ft/ft Velocity 2.52 ft/s Velocity Head 0.10 ft Specific Energy 0.28 ft Froude Number 1.25 Maximum Discharge 1.32 ft3/s Discharge Full 1.22 ft3/s Slope Full 0.00024 ft/ft Flow Type SuperCritical RAMPUP@5.9%SLOPEUPDNLEGEND DESCRIPTION 1/21/2021 UTILITY DESIGN SOLUTIONS Attn: JUDY MUNN 30211 AVENIDA DE LAS BANDERAS, SUITE 200 RANCHO SANTA MARGARITA, CA 92688 RE: Will Serve Letter Request for Job I.D.#41-2021-01-00041 Location: 15926 FOOTHILL BLVD, CITY OF FONTANA Dear JUDY MUNN: Thank you for inquiring about the availability of natural gas service for your project. We are pleased to inform you that Southern California Gas Company (SoCalGas) has facilities in the area where the above named project is being proposed. The service would be in accordance with SoCalGas’ policies and extension rules on file with the California Public Utilities Commission (Commission) at the time contractual arrangements are made. This letter should not be considered a contractual commitment to serve the proposed project, and is only provided for informational purposes only. The availability of natural gas service is based upon natural gas supply conditions and is subject to changes in law or regulation. As a public utility, SoCalGas is under the jurisdiction of the Commission and certain federal regulatory agencies, and gas service will be provided in accordance with the rules and regulations in effect at the time service is provided. Natural gas service is also subject to environmental regulations, which could affect the construction of a main or service line extension (for example, if hazardous wastes were encountered in the process of installing the line). Applicable regulations will be determined once a contract with SoCalGas is executed. If you need assistance choosing the appropriate gas equipment for your project, or would like to discuss the most effective applications of energy efficiency techniques, please contact our area Service Center at 800-427-2200. Thank you again for choosing clean, reliable, and safe natural gas, your best energy value. Sincerely, Nicole Kiyohiro Technical GIS Supervisor NK/SV enc. Southern California Gas Company 1981 West Lugonia Avenue Redlands, CA 92374 Mailing Address: PO Box 3003 Redlands, CA 92373-0306 City Council Acquanetta Warren Mayor Jesse Armendarez Mayor Pro Tem John B. Roberts Council Member Jesus “Jesse” Sandoval Council Member Phillip W. Cothran Council Member CITY OF FONTANA 8353 SIERRA AVENUE, FONTANA, CALIFORNIA 92335 www.Fontana.org November 30, 2020 Ben Etemadi Project Manager Hunsaker & Associates 3 Hughes Irvine, CA 92618 Subject: Sewer Availability Letter for Assessor Parcel Number’s 1110-361-15, 1110-361-16, 1110-361-22, and 1110-361-23 Dear Mr. Etemadi: This is to inform you that the sanitary sewer facilities provided by the City of Fontana are available for connection to the parcels identified as Assessor Parcel Number’s 1110-361-15, 1110-361-16, 1110-361-22, and 1110-361-23. Please note that sewer connection is not a City requirement as a function of sale of the property. Should you have any questions regarding this matter, please contact the project engineer, Esmeralda Gomez, at (909) 350-6552, or by email at ejgomez@fontana.org Sincerely, DEPARTMENT OF ENGINEERING Land Development Section Esmeralda Gomez Associate Engineer 3939 E. CORONADO ST. 2ND FLOOR ANAHEIM CA 92807 Jan 7, 2021 Utility Solutions, LLC 30211 Avenida De Las Banderas, Suite 200 Rancho Santa Margarita, CA 92688 Attn: Judy Munn RE: Will Serve Letter, Foothill Blvd & Tokay, Fontana, CA Dear Ms Munn, This letter acknowledges that Foothill Blvd & Tokay, Fontana, CA is located in an area served by AT&T. Any service arrangements for Foothill Blvd & Tokay, Fontana, CA will be subject to later discussions and agreements between the developer and AT&T. While AT&T has the capacity to serve the project, please be advised that this letter is not a commitment by AT&T to provide service to Foothill Blvd & Tokay, Fontana, CA. Please contact me at the phone number included in this letter with any questions. Thank you for contacting AT&T. Sincerely, Marc Poole Manager (OSP) Planning and Engineering (951) 359-2629 mp2763@att.com MP/rb Will Serve Letter 1/8/2021 Judy Munn Utility Design Solutions, LLC 30211 Avenida De Las Banderas Ste 200 Project Name:WSL - 15926 Foothill Blvd Fontana CA 92335 LOCATION:15926 Foothill Blvd Fontana CA 92335 Construction Manager Contact: Claudia Payne South Region Specialist, Business Development 7337 Central Ave Riverside, CA 92504 951-406-1613 claudia.payne@charter.com Sincerely, Rancho Santa Margarita CA 92688 Re: May Serve Letter by Charter Communications or an affiliate authorized to provide service (“Charter”) Thank you for your interest in receiving Charter service. The purpose of this letter is to confirm that the Property is within an area that Charter may lawfully serve. However, it is not a commitment to provide service to the Property. Prior to any determination as to whether service can or will be provided to the Property, Charter will conduct a survey of the Property and will need the following information from you: - Exact site address and legal description - Is this an existing building or new construction? - Site plans, blue prints, plat maps or any similar data - The location of any existing utilities or utility easements - ________________________________________________ Please forward this information to the construction manager listed below. Upon receipt, a Charter representative will be assigned to you to work through the process. Ultimately, a mutually acceptable service agreement for the Property will be required and your cooperation in the process is appreciated.