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HomeMy WebLinkAbout10/24/2016-4:30 Council Work Session October 24, 2016 Time indicated below Harold E. Getty Council Chambers Roll Call. Approval of Agenda, as proposed or amended. 4:30 p.m. Consent Decree Update Submitted By: Steve Hoambrecker, WMS Director ADJOURNMENT Kelley Felchle City Clerk 10/24/2016 Waterloo's Consent Decree 'reviousMdles#ones Mteachecl /lur 1 Aefl- Accomplish ents Past Quarter air m C?terio o �o at 8 Ahead y r• April 2016 Update Short Term Remedial Measures SSO signage No 550/Bypass events Footing Drain Removal Program 86 new footing drains discovered,2144 passed properties Areas 15&16 5o%disconnected or confirmed compliance SSORP Program No 550,or bypass pumping events Jan thru March 2016 2 Basement backups each in Jan(FOG)and Feb(Roots),none in March Annually required WMSD training held on 3-24-2016 Rainfall and Flow Monitoring Program n VoluCalc flow recording units purchased 10 ISCO/Teledyne rain gauges purchased 9 area-velocity meters purchased * Sanitary Sewer System Condition Assessment * Area 15-all gravity sewer mains televised and rated * Area 16<10 segments remain untelevised as of 3/31/2016 Sanitary Sewer System Hydraulic Model Interim report submitted as required by 2/29116 1 10/24/2016 April to Sept. 2016 Update - FOG Official inspections have started Footing Drain Removal Program 484 new footing drains removed,2,923 properties in compliance SSORP Program SSO Letch& No 550,Bypass or Basement backups in April and May 5 550/Bypass and 2 Basement backups in June '--'-- Pleasant Valley 550/Bypass and 2 Basement backups in July - No 55O Bypass or Basement backups in August 3 550/Bypass and 3 Basement backups in September - Overflow EQ basin 6 days in September Rain Rainfall and Flow Monitoring Program Gauge u of a VoluCalc flow recording units purchased are installed to of no 15C0/Teledyne rain gauges purchased are installed 4120 9 of 9 area velocity meters purchased are installed - Started monitoring 6 ground water monitoring wells - Sanitary Sewer System Hydraulic Model F Final Submitted Augus<;y 2o16 ^" $ Sanitary Sewer Capacity Assessment - WA?..,... i'3 hI Completed by 9l306 -4 Report due by 12/3916 Sanitary Sewer Condition Assessment ` Completed by 9l306 Report due by nl3th6 ' 00 Steps s Taken To P ' Q 0 Paid IA of initial fine$136K using other IA to implement beneficial reuse project Pervious Pavement Project being designed Implemented FOG ordinance Implemented Foundation Drain program (initial critical areas of town) Purchased TV and cleaning equipment$2 Million Sanitary Sewer System Hydraulic Model Final Report was completed and submitted to IDNR August 3i, 2016 Have completed Phase I &II of CIPP Have completed required condition and capacity assessments required to be completed by 9/306 2 • 10/24/2016 Equipment Purchases The city has invested in over $2 Million in new and equipment upgrades 1 I 0 1�� i' a ©- ` . Description Acquisition Date Purchase Price PELCO NETWORK VIDEO RECORDER 8/17/20,5 $9,201.59 ALUMINUM CAMERA TRANSPORTER R/21/2015 $13,219.00 2015 FORD E450 SUPER DUTY n/420,5 $506,267.00 2015 KENWORTH HIGH PRESSURE SEWER CLEANER TRUCK 10/5/2o15 $252,212.42 20,5 VACALL COMBO JET VAC TRUCK f09/205 $384,721.88 2015 VACALL COMBO JET VAC TRUCK 10/19/x0,5 $384,721.88 RETROFIT SEWER TRUCK 1x/14/2015 $285,206.00 RETROFIT SEWER TRUCK 11/14/2015 $299,567.00 TOTALS $2035,017 FOG Program .� F 0 G S_O IL.GREP LAGOON GREASE MONTHLY TOTALS 2o14-zoi6 2014 2015 2016 180,000 160,000 140,000 120,000 r f n ; s JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC GREASE GREASE GREASE GREASE GREASE GREASE GREASE GREASE GREASE GREASE GREASE GREASE 3 10/24/2016 FOG Program FOG 3 OIL GR r" LAGOON GREASE-2014-2016 J014 2015 2016 60,000 - -- 46.4%Increase from 2015 30,000 40,000 - 56.4%Increase from 2014 30,000 "lan(Sept 2016 only 20,000 10,000 __._. 129% Total Increase from 2014 to 2016 21314 AVG ISt5 AVG *2o16 AVG GALLONS GALLONS GALLONS fi THE FOG Program FOG 9T P5 Suspect that Commercial Grease Production 0 has Peaked 0 arf'aTs"3 tdudimg'r'�: V ^ :esidential Waste Customers ^3i C 0 a us rs Time Household grease can So ll dl fy in the sanitary sewer causing blockages 4 10/24/2016 Footing Drain Program Ordinance 5248 - Purpose Eliminate Foundation Drains from Sanitar ,Sewer District 1,SA 15 &SA 16 V Adopted October 27,2014 V Effective January 1,2015 fa ✓ Initially 2 years,now thru 2017 '11101k Conducted a special flow test following a y heavy rain in August and discovered that flow increased an Iems average of 619% Presently zo homes have a flow monitor to 0 06OJ estimate an overall total of flow being diverted 6 0 0 Footing Drain Program I ru September 2,117 have been Disconnected The footing drain program is reducing the amount of water to be treated by an average of 16.4 MG/Month,27.8 MG Max Footing Drain Flow April May June July August Sept Related Information 2016 2ci6 2o16 2016 2ot6 2016 Total Compliant 2211 2309 2398 2655 2805 292, Total Disconnects 1633 '705 1781 1913 2039 2117 Average GPD 221 317 521 190 195 289 Est Month MG reduced 10.2 i6.7 27.8 13.1 n.6 19.o > Estimated monthly savings** $1,6o6 $2,632 $4,378 $2,066 $i,817 $2,984 V ** $057.28 2 Year average cost to treat MG of W W t p1 9' The Reduced Flow is Saving an estimated$2,000-$4,000 per month in Operational Costs 5 10/24/2016 Environmental Beneficial Project Permeable Paving Progra,t I �r .., ...,a Alley behind - Project has had some design delays :-- Brown Bottle ➢ Design is now i00%Complete ➢ Expect Bid Spring 2017 ➢ Need to purchase cleaning device i i $ -- Alibi. kit, 4 . } Consent Decree Requires Condition and Capacity Assessments be Completed 10 Areas 10,11,12,13 & 19 11 \ by 9/307 Areas 15 & 16 15 by 9/30/16 16 12 1 1 14 0 99 19 22 18 23 6 10/24/2016 Slip Lining Program SA15 68,851 Total Feet of Pipe S0.ENV2916IOEGRE>t5 19 All 68,851 Video Inspected {�i fl l 1 All 68,85i Rated .Y a..d Y 1 9 I : . I 19,397 Feet lined(28.2%) J� �'#s 47o Feet to be repaired - — 1rto be 3z6 Ft lined(1.9%) __ . r I- ‘ 1,,,a Slip Lining Program SA 16 All182r713 Video Inspected All 182,715 Rated fir... 68,722Feet lined(37.6%) f k'''r 1,269 Feet to be repaired i 19,211 Ft to be lined(1.0%) 1'Ti I C i.I _ � - L-'�_ tii N' . t i ---J I it 1 1 >` 1 I P C jr 1j tr k Y Y b c w 7 10/24/2016 Sli • Lininw Program Waterloo Sanitary Sewer Totals SA SA SASA SA 1SA SA SA SA SA SA SA SA SA SA io a 13 13 14 IS 16 17 18 19 20 21 22 23 99 Totals Footage 381,589 432,839 129338 i53,847 68,851 182,715 455,633 316,451 66,618 108,392 104,232 2,400,503 Miles 72.3 82.0 34.5 39.1 13.0 34.6 86.3 59.9 13.6 30.5 19.9 454-6 Initial Area of Concern ✓ 3 Phases of CIPP Program ✓ Phases . and z Completed ✓ Phase 3 planned in 3 Stages HACKETT LIFT STATION Rain a Snow ®Mix Flow calculated based on reads from hour meters 600,000.00 4 - - 300,000.00 DUNE 2ot6 CD400,000.00 J I ) 1 300,000.00 Hackett St. LS 300,000.00 1.5 .. 5 100,000A0 -- - - E J.j 2 °.°° 13 . o a Notice similar rains(3")and m 1 3 5 7 9 II 13 15 17 19 n 23 25 27 29 a similar flows 400,00o GPD,the Z O 450.00°.00 4 g0g000.00 SEPTEMBER aot6 _ improved recovery September 3'S 1 35o,a°oao 3 a versus June 300..... - zSOAaonO 200,C00.00 Even with flood waters all around 150,000.oa ,00.000.00 Hackett St.Lift Station we did not 50,000.00 °'S experience any by passing during 1 3 5 7 9 II 13 15 ,7 19 31 33 35 37 39 the flood event 8 10/24/2016 ✓ Cedar River Diffuser Wing Darn / ✓ Under Design Expect to bid late 2016 V Satellite Wet Well Project ✓ Under Design Expect to bid late 2o16 V Flow Project EqualizationProject ✓ Under Design Expect to bid late 2016 ✓ Dry Run Interceptor Project ✓ Under Design Expect to bid late zo16 ✓ CIPP Phase 3 Project ✓ Under Design Expect to bid Spring 2017 ✓ NW Interceptor Project ✓ Potentially bid Phase I Summer 2017 ✓ SCADA Control Project ✓ Under Design Expect to bid late 2016 ✓ Manhole Inspection ✓ Evaluating contracting versus city personnel •!+ V Nutrient Reduction Study 0 ✓ Need to select consultant `Cts Stipulated Requirements Stipulations in the CMOM Manual Requirements Clean and televise Storm Sewers +/-6o Miles/Yr Clean Sanitary Sewers +/-8o Miles/Yr F Televise Sanitary Sewers +/-40 Miles/Yr Consent Decree Requires. Condition and Capacity Assessments * SA's15&16 12/3i/t6 * SA's 10,11,12,13&19(Best Engineering Judgement) 12/31/17 * It is Essential we Achieve Compliance 9 • 10/24/2016 Z ; Changes in Operating Mode , 4m Need to be Considered . Presently t Pi oposed WI 1 O/4 4Fo- a and TV'ing separately,but using 2 people per vehicle Presently,this is what we are doing, cleaning and TV'ing Together with Industry standard would be cleaning i person on each vehicle Achieving t,000 Feet per day each Achieving 3,000 Feet per day each If able to utilize all vehicles,we could go from 3,00o to 18,000 Feet per day ew Cit Analyzing/Evaluating Options 1 - Sewer Maintenance Staff has i Foreman&12 Workers Currently using • 6+/-to Clean-Televise • 4-5 to Perform Maintenance To fully utilize Equipment 0-01� - io-12 to Clean-Televise - 0-2 to Perform Maintenance - Evaluating Options - Keep Staff same-Contract additional Cleaning-Televising • Adding Permanent l SuEmployeesSummer ' 3-4 FT Employees • Adding Seasonal Summertime help,April thru October );01/4 Adding 4-6 Seasonal Laborers �Lr9A/ 3 .) 10 10/24/2016 fa � Mai Perform In-house Contract * We have the equipment alif * Expertise is definitely available * Would need to hire * Would likely be more efficient additional manpower * Would cost more overall Overall would be cheaper nna"'•`l► p ,,r� Either way will work, would prefer to utilize the equipment purchased and perform in house Y�rn.rz Conse • We have the equipment to perform most tasks required • Ideally we would put out all 6 vehicles out each day Presently doing that we are able to do with 6 people * Major inefficiencies in current methodology Improved efficiency will require more manpower to perform task safely. Utilizing staff to perform required consent decree tasks will leave no maintenance staff 11 10/24/2016 Need to Address Expected Costs and Rate Structure to Support 41'roject $$ M oil t IIMMW 0 Are the Current Sewer Rates Enough to Support the Projected Costs. Waterloo will be Ahead of the Game "Pay me now or pay me: " By making improvements Spending$10 Million today today,I will be ahead of the game v� Q tomorrow V, G/a GP P . Spending$15 Million tomorrow Admittedly we are spending a lot today 1144111 on improvements that would have been needing to be done tomorrow and by spending those$$today we will save money in the long run 12 10/24/2016 In Conclusion We have Cleared the Consent Decree Hurdles to Date, We must now make sure we do not Stumble over the Hurdles Remaining 13