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Exh 2BPRESENTATION TO THE ATLANTIC BEACH CITY COMMISSION SEWER MASTER PLAN ATLANTIC BEACH AND BUCCANEER DISTRICT SEWER SYSTEMS AUGUST 28, 2000 ~~ ~a ATLANTIC. BEACH SEWER MASTER PLAN • Sewer System Mapping • Sewer Collection and Transmission Systems • Capital Improvement Plan ATLANTIC BEACH SEWER MASTER PLAN Definitions: •Service Lateral: Small-diameter pipe, connects house to sewer main. •Sewer Main: Larger diameter pipe, located in street right-of--way, carries sewage through manholes to lift station. •Manholes: Located at intersections of sewer mains, provide maintenance access to sewer mains. •Lift Station: Pumps sewage up from deep sewer main depth to shallow sewer main depth. •Force Main: Discharge pipe from lift station. s LEGEND FORCE MAIN ---- GRAVITY SEWER L.S. "J" 4„ L.S. ~-----o-' - - - - -Q MH 787 T m a m v w 0 0 0 a MH 809 L.S. „L„ 4„ u-~--{}- - •- - MH 876 ~ °L.S. ; ~~ 4,> L.S. "N" L.S. "G" FIGURE 3.3 M H 1 1 ATLANTIC BEACH FORCE MAIN SCHEMATIC SMITH & GILLESPIE ENGINEERS INC. ll00 Ceserv Boulevard • P.O. Sox 53138• Jacksonville. Florida 3220) • (9041 7d3-RB50 4>~ MH 82 ~'~'~_ _ L.S. „~„ _ LEGEND FORCE MAIN ---- GRAVITY SEWER MAYPORT LANDING WWTP L.S. g" MH 10 0 CYPRESS 6" CREEK L.S. 0 6" WEST ~ SHANGRILA END L.S. L.S. 4~> MH 192 MONTREAL CO L.S. LAKESIDE L.S. NAVY 6 MH 235 L.S. Y Q MIMOSA n COVE a L.S. o ~ ASPEN j RIDGE ~ L.S. 6" i MH 2858 -j ti o MH 317 FEATHERWOOO L.S. 4„ ,J SCHOONERS BAY L.S. 4„ 6" PAN AM L.S. _ 4" MAYPORT TRACE (PRIVATE) L.S. r, 6>. ~I ° COURT YARDS L.S. FIGURE 3.4 BUCCANEER SYSTEM FORCE MAIN SCHEMATIC SMITH & GILLE5PIE ENGINEERS .INC. 110o Celery Boulevard • P.0. Box 59198 • Jaeltaonville. florida 922111 • (904) 749-6950 LEGEND FORCE MAIN WWTP 0 a z >. m V N V W N O J 1= Q ~C7 M N O O O N ~.5. „E„ ATLANTIG BEACH MANIFOLDED FARCE MAIN SCHEMATIC SMITH & GILLESPIE ENGINEERS INC. 1300 Ceaery Boulevard • P.O. Boz 58Y38 • Jacksonville, Florida 3220, • (9041 743-6950 ATLANTIC BEACH SEWER MASTER PLAN Amount of Water and Wastewater Treated at the Atlantic Beach Water and Sewer Plants Water Plant Flow Sewer Plant Flow Percent Water Percent Water Not Month (M~1ion Gallons) (Million Gallons) Returned to Sewer Returned to Sewer Mar-00 63.152 46.366 73% 27% Feb-00 53.606 45.365 85% 15% Jan 00 57.168 46.915 82% 18% Dec-99 56.228 45.533 81% 19% Nov 99 56.298 47.446 84% 16% Oct-99 59.457 59.592 100% 0% Sep-99 61.5 52.822 86% 14% Aug-99 74.89 48.107 64% 36% Ju199 74.619 48.384 65% 35% Jun 99 69.72 45.13 65% 35% May-99 71.128 44.702 63% 37% Apr-99 70.037 43.38 62% 38% Average 63.93 47.71 76% 24% l2 ~' ATLANTIC BEACH SEWER MASTER PLAN Atlantic Beach System Calculation of Infihration ini System Potable Water Consumed Within Each Mini Sytems From Baling Records (GPM) Estimated Percentage of Potable Water Lost to Irrigation or Septic Tanks Amount of Potable Water Lost to Irrigation or Septic Tanks (GPM) Wastewater Base Flow Calculated for Each Mini-System (GPM) (1) Wastewater Flow Rate Through Each Lift Station Based on Drawdown Tests and Pump Run Times (GPM) astewater Flow Rate Generated Within Each Mini- System (GPM) (2) elative Infiltration Flow Rate (GPM) Relative Infiltration as a Function of Mini- System Flow A 185 38% 70 115 272 234 119 51% B 137 38% 52 85 455 277 191 69% C 374 62% 232 142 223 145 3 2% D 149 38% 57 92 179 111 19 17% E 214 38% 81 133 163 153 20 13% F 103 38% 39 64 111 111 47 43% G 92 64% 59 33 34 34 1 2% H 23 38% 9 14 20 20 6 29% I 6 38% 2 4 49 35 32 90% J 7 38% 3 4 14 14 10 71% K 13 38% 5 8 9 9 1 15% L 30 65% 19 11 11 11 0 0% M 138 83% 114 24 24 24 0 0% N 21 50% 10 11 11 11 0 0% O 11 38% 4 7 38 38 31 83% 13 -~ ATLANTIC BEACH SEWER MASTER PLAN Buccaneer System Cakualtion of Infiltration ini System Potable Water Consumed Within Each Mini Sytems From Billing Records (GPM) Estimated Percentage of Potable Water Lost to Irrigation or Septic Tanks Amount of Potable Water Lost to Imgation or Septic Tanks (GPM) Wastewater Base Flow Calculated for Each Mini- Sytem (GPM) (1) Wastewater Flow Rate Through Each Lift Station Based on Drawdown Tests and Pump Run Times (GPM) Wastewater Flow Rate generated Through Each Mini-System (GPM) elative Infiltration Flow Rate (GPM) Relative Infiltration as a Function o Mini- Sytem Flow Aspen Ridge 41 38% 15 26 56 56 30 54% Courtyards 18 38% 7 11 76 76 65 85% Cypress Creek 6 38% 2 4 67 67 63 - 93%° Featherwood 22 51% 11 11 11 11 0 2% Lakeside 35 38% 13 22 67 67 45 67% Mayport Landing 67 54% 36 31 31 31 0 1 Mimosa Cove 79 38% 30 49 218 150 101 67% Montreal 28 38% 11 17 51 23 6 25% Navy 0 38% 0 0 73 73 - - Pan Am 0 38% 0 0 30 30 - - Shangri La 4 38% 1 3 58 7 4 58% Shooners Bay 17 38% 7 10 27 27 17 63% West End 27 38% 10 17 28 28 11 40% 1~~ ATLANTIC BEACH SEWER MASTER PLAN Atlantic Beach System Projected Flow Rates for the Year 2010 ini-System Year 2000 Flow From Each Mini- Systems Based on Drawdown Tests and Pump Run Times (GPM) Year 2000 Wastewater Base Fbw Calculated for Each Mini- Systems (GPM) Year 2000 Relative Infihration Flow Rate (GPM) Year 2000 Wet WeatherInflow/ Infihration (GPM) Year 2010 Projected Flow Increase though ' ' System D~ To Population Growth (GPM) Year 2010 Projected Flow Increase Due To Septic Tank Phase Outs (GPM) Year 2010 Maximium Projected Flow From Mini System (GPM) Year 2010 Maxhnium Projected Flow 'Through Lift Station (GPM) A 234 115 119 225 17 0 475 570 B 277 85 192 307 12 0 596 861 C 145 142 3 8 49 19 221 486 D 111 92 19 34 13 24 182 265 E 153 133 20 156 46 13 368 393 F 111 64 47 94 9 0 214 214 G 34 33 1 1 5 4 44 83 H 20 14 6 17 26 0 62 62 I 35 4 31 86 1 5 128 171 J 14 4 10 28 1 0 43 43 K 9 8 1 4 3 16 32 32 L 11 11 0 0 4 12 26 26 M 24 24 0 0 3 0 27 27 N 11 11 0 0 2 0 12 39 0 38 7 31 56 1 0 95 95 Total 1225 747 479 1015 192 93 2,525 ..~- ~S ~ ATLANTIC BEACH SEWER MASTER PLAN Buccaneer System Projected Flows for the Year 2010 ni-S stem Year 2000 Flow From Each Mini- Systems Based on Drawdown Tests and Pump Run Times GP Year 2000 Wastewater Base Flow Calculated for Each Mini- Systems GP ear 2000 Relative Infiltration Flow Rate GP Year 2000 Wet Weather Inflow/ Infiltration GP Year 2010 Projected Flow Increase Through Mini- System Due To Population Growth GP Year 2010 Maximum Projected Flow From Mini-System GP Year 2010 Maximum Projected Flow Through Lift Station GP As en Ride 56 26 30 105 12 174 174 Court ands 76 11 65 144 4 224 224 C ress Creek 67 4 63 127 1 196 196 Featherwood 11 11 0 21 5 37 37 Lakeside 67 22 45 125 8 199 417 Ma ort Landin 31 31 0 5 8 11 101 101 Mimosa Cove 150 49 101 283 24 457 668 Montreal 23 17 6 42 2 67 150 Na 73 0 - 137 8 217 217 Pan Am 30 0 - 57 11 98 98 Shan i-La 7 3 4 13 1 21 172 Schooners Ba 27 10 17 51 4 82 82 West End 28 17 11 53 2 83 83 IG ATLANTIC BEACH SEWER MASTER PLAN ANALYSIS OF ATLANTIC BEACH MANIFOLDED FORCE MAIN SYSTEM ALTERNATIVE 1 -Addition of a Master Lift Station with Other Pump Station and Force Main Improvements Item No. Description QTY _ _ Unit Unit Cost Total 1 Master Lift Station 1 Each $ 280,000 $ 280,000 2 12" PVC Force Main From LS B 160.0 Feet $ 54.00 $ 86,000 3 8" PVC Force Main From LS C 1400 Feet $ 36.00 $ 50,000 Pump and Motor Upgrade -Lift 4 Station E 1 Each $ 50,000 $ 50,000 Subtotal $ 466,000 Contingency $ 90,000 Resident Observer $ 6.5,000 Engineering and Permitting $ 70,000 Total Cost $ 691,000 ATLANTIC BEACH SEWER MASTER PLAN ANALYSIS OF ATLANTIC BEACH MANIFOLDED FORCE MAIN SYSTEM ALTERNATIVE 2 -Increasing the Pump and Motor Size at the Pump Stations with New Force Mains and Without a Master Pump Station Item No. Description 1 Pump and Motor Upgrade - LS A 2 Pump and Motor Upgrade - LS B 3 Pump and Motor Upgrade - LS C 4 Pump and Motor Upgrade - LS E 5 Pump and Motor Upgrade - LS F 6 12" PVC Force .Main 7 8" PVC Force Main from LS C 8 8" PVC Force Main from. LS E QTY Unit Unit Cost Total 1 Each $ 86,400 $ 86,000 1 Each $ 86,400 $ 86,000 1 Each $ ~ 72,000 $ 72,000 1 Each $ 62,400 $ 62,0.00 1 Each $ 62,400 $ 62,000 1600 Feet $ 54.00 $ 86,000 1400 Feet $ 36.00 $ 5;0,0:00 1350 Feet $ 56.00 $ 76,000 Subtotal $ 580,000 Contingency $ 120,000 Engineering and Permitting $ -14:0,000 TOTAL COST $ 840,000 ATLANTIC BEACH. SEWER MASTER PLAN Recommended Improvements Improvement No. Improvement Description 1 Upgrade Lift Station H to include new pumps and motors, new concrete block building, piping modifications, and modifications to the existing electrical and control systems. 2 Addition of a Master Lift Station at the Atlantic Beach WWTP with other lift station and force main improvements -This option includes construction of the new Master Lift Station, increasing the existing 10" force main downstream of Station B to 12", installing a new force main downstream of Station C, adding new pumps and motors to Station E, and increasing the wet well volume of Station C and E. 3 Replace the West End Lift Station with a duplex above-ground station. 4 Upgrade the Mimosa Cove Lift Station to replace the existing pumps, piping, and controls. Increase the wet well storage volume by resetting the pump control elevations. 5 Replace the Lift Station I enclosure with a standard concrete block building, and modify piping, instrumentation and control systems. 6 Replace the Shangri La Lift Station with a new gravity sewer line to the Cypress Creek Lift Station. 7 Increase the wet well storage volume at the Navy Lift Station. 8 Gravity Sewer and Manhole Rehabilitation in Atlantic Beach System -Mini-systems to be rehabilitated include O, I, J, F, and the remainder ofmini-systems A and B. 9 Gravity Sewer and Manhole Rehabilitation in Buccaneer System -Mini-systems to be rehabilitated include Cypress Creek, Courtyards, Mimosa Cove, Lakeside, Aspen Ridge, Schooner Bay, and West End. 10 Upgrade Lift Station O to replace the existing pumps, piping, and controls. 8~ -r~r ATLANTIC BEACH SEWER MASTER PLAN TEN-YEAR CAPITAL IMPROVEMENT PLAN FOR ATLANTIC BEACH AND BUCANEER DISTRICT SEWER SYSTEMS Year Descri tion Estimated Cost 1 Replace the pumps and motors at Lift Station H with larger pumps and motors. $66,000 Construct Master Lift Station at Atlantic Beach WWTP; Replace 10" force main with 12" force main from Lift Station B to $691,000 junction with 18" at WWTP influent; Install new 6" force main from Lift Station C to junction with 18" at WWTP influent; Replace pumps, motors, electric and instrumentation systems at Lift Station E with larger pumps and motors, and electric and instrumentation system improvements; Increase wet well volume at Lift Stations C and E. Replace the West End Lift Station with a duplex above ground station; $100,000 Increase pumping capacity and wet well volume at the Mimosa Lift Station; $65,000 Replace Lift Station I enclosure with a standard concrete block building, and modify piping, instrumentation and control system. $45,000 Replace the Shangri La Lift Station with a new gravity sewer line to the Cypress Creek Lift Station. $140,000 Increase wet well storage volume at the Navy Lift Station. $50,000 Investigate Atlantic Beach and Buccaneer District gravity sewer systems. Estimated Cost Year 1 195 000 $1,286,000 2-9 Perform Gravity Sewer and Manhole rehabilitation within the Atlantic Beach and Buccaneer District Systems. $1,208,611 Estimated Annual Cost, Years 2 - 9 $1,208,611 10 Perform Gravity Sewer and Manhole rehabilitation within the Atlantic Beach and Buccaneer District Systems. $1,093,612 Increase pumping capacity at Lift Station O. $65,000 Estimated Cost Year l0 $1,158,612 Estimated Total Costs Years 1 - 10 $12,113,500 City of Atlantic Beach Wastewater Pump Station Inventory List Station Name: Station Address: Last Project No.: I Date of Last As-Built: , A l 6th St. and Sheny Dr. I( 1 Station Type: Number of Pumps: Part of which System: WET WELL~MOUNTED AB l - - - __ PUMP SECTION ~ CONTROLS SECTION ~- Pump No. 1 ') Pump No. 2 _ Manufacturer: ~ ~G'o`r'm`a`'n'-'Rupp 1 ~- -. ~r~ ... Gorman-Rupp ~ _ __ Control Type: ~ ~r.~. ~BUB~BL`E''R'' i ------- -• ..____ Pump Model No.: ~ ]'T`6'A~6'0~B'~' ~~ T6A60-B ~~ Measured from where? ~ City As-builts _ __ .... Pump type: ~ SELF-PRIMING ' SELF PRIMING ~ - High Water Alarm: 1 -0.32 Pump SN: 1182195 . _.. ___ .._ ~"1'0~5'2~568 i--.-..... _ . ...._ _ -- Lag On, .._ _ . ~ _.._ ... - ~ _1.32 ~-_. _ ___.. . _. Motor Manufacturer: ~ GE Siemens-Allis _. _ . Lead On: ~ -1.82 ---- - - ,._.... Motor Modei No : ~ SK324AL2050 . ... 324T __ _. _" - Lag Off: . , -4 82 Motor SN. ._.._ _. _._. ____ _- t--.. ----__----~ _. ~.. _. _.._ Lead Off: ~ -4.82 ~-~ ~., _ Motor Horsepower: ~ 40 40 Motor RPM: ' 1.760 ~ 1760 FORCE MAIN INFORMATION SECTION Motor Voltage: ~ 230/460 3PH ~~ 230!460 3P~ H ~r _ _..._. - FM Header Dia. (in); __ . _ , 1~ _ Pump RPM: ---• - ~------•-- -• -- _ . _. FM Header Inv. Out: ~ . .__ 1414 85 1- -- - --._ ._. Motor Pulley Dia.: 7.5 7.5 Check Valve Dia. (in): 1 6 __... _ Pump Pulley Dia.: ~ ~~ ~9 Plug Valve Dia. (in): 1 ~6 ~~~ _~ ... Belt Size: ~ - ~ - ~ J ~ FM Diameter (in): ~ ~--~ Pump Curve No.: ~ 1 ......~_. ~''~'`"' ! ~'` ~'~'' FM Material: ~ Di. ~~ __........ __. Pnmary GPM: 597 538 Disch Elev: ~ _ _ 4.28 - ---_.. . Pnmary Head (psi): 1 ,r 28 .. . _. 28 _ _ ___ ~ _ _. __ FM Termination Pt .. _ ._ _. _ _.__.. FM Inv. at Termination ~ ~~ I" ~P 36.04 Impeller Dia (m.): ~ 12 375 ~._-..._.._ _ . 12.375 - _.-__.._~__. FM-length (ft.)• 1 4332 Suction size (m ): 6 _. _ _. g . _. _........___ _.... _ _ .. .__. _.. Part of Manifold FM: ~ ..,! YES Discharge Size (in.): ~ _. ._ 1- _ . _ - - . -,- PSs on Manifold FM: ~ _. B Smith and Gillespie Engineers, Inc. 08108!2000 01:45 PM 3-6 FIGURE 3.2 Proj. No. 08505-025-01 City of Atlantic Beach Wastewater Pump Station._Inventory List _ Station Name: ~ A I Station Type _. _ _ ..-- Station Address: ~ 6th St. and Sheny Or, ~ Number of Pumps: Last Project No.: ~ I Part of which System: Date of Last As-Built: WET WELL SECTION WW Shape: CIRCULAR . _.. 1 Diameter (ft): 8 Length (ft): ..~ _ ., . Width (ft) Top Elev: 8.16M,_ v._...._ _ _~ _____ Floor Elev: 7.07 ~`~ _. _ Suction Elev: ~.~ ~'-'6~5'7~~ t ... .... -...-.-.. _.._ _ WW Area (ft"2): .,50.27 _ _.. _ ._.~. _- WW Vol: ~ ~..r Smith and Gillespie Engineers, Inc. 08/08/2000 01:45 PM WET WELL MOUNTED f2 + \ AB INFLUENT PIPE SECTION Inlet Pipe Type r~r Inlet Size (in)~ 12 FM or GS: GRAVITY SEWER . _..._._ ._.... _ _. ...,s.~~. Inlet Inv: 0.18 __~_. _.~ v_.:.--- Inlet Pipe Type ~~~ Inlet Size 2 (in): FM or GS 2;_._.___+ ____.~_ __.. Inlet Inv 2: Inlet Pipe Type) _._. _ _ ...___ _____ Inlet Size 3 (in): ~- FM or GS 3: Inlet Inv 3: 3-7 Inlet Pipe Type Inlet Size 4 (in): ~`~ FM or GS 4: ____ ~~- _~~; Inlet Inv 4: ~ ~- Proj. No. 08505-025-01 FIGURE 3.2