Dear Mr. Handler and Mr. Boyer,

Transcription

1 ugust 31, 201 nvironmental Protection gency, egion 1 assachusetts P, 5 Post ffice quare, uite 0 ew ond treet ail code orcester, 0 oston, assachusetts ttn: avid oyer ttn: eil andler ubject: emi-nnual Progress eport February 201 July 201 eporting Period onsent ecree, X P, Paragraph 70 ear r andler and r oyer, n accordance with ection V, paragraph 70 of the emedial easures of the onsent ecree (ecree) signed by Fitchburg s ayor on June 1, 20, this submission provides P and the assp with a report on the ity s compliance with ection V during the preceding six months (February 201 thru July 201 eporting Period) as described by Paragraph 70 he report organization structure is formatted to separately address each relevant section, as it appears in the decree, and includes all pertinent attachments s requested in the February 2013 thru July 2013 eporting Period, the ity is not including a map of water resources and topographic features, as the data contained therein has not changed from the original mapping submission and will not likely change in the foreseeable future n the event there are significant changes in either water resources or topography, the ity shall provide mapping submission reflecting those changes in that reporting period s submission with narrative explanation of said changes n this emi-nnual Progress eport, the ity is including an updated ase ap map (ap 1 of 4) of parcel & roadways data and municipal boundaries maps updates, hard copies will be provided together with a printed copy of this report, via mail maps updates will also be provided with the electronic submissions (via ) of this report

2 taffing emi-nnual Progress eport February 201 through July 201 eporting Period uring the reporting period, the ollection ystem eam was operating at a reduced capacity, with a team of four operators, instead of the full complement of six operators he team has been operating in this reduced capacity since February 2017 uring the -month reporting period, no changes to the team have occurred perating in this reduced capacity, one team is typically fielded each day to conduct work, structural improvements to the system, or sewer meter maintenance he ity is currently having internal staffing planning discussions to fill these two vacant positions, and use the two new hires on a part time basis to conduct storm drain system work ithin the reporting period the P usiness anager vacancy was filled with a new employee his important position provides support to the P astewater ivision on accounting, finance, and planning matters, and with improved operational efficiencies dditionally, this position assists in pursuing and securing alternative financing opportunities to help mitigate cost burden and impacts to the astewater nterprise s rate payers ong-erm ewer ystem Preventative aintenance Plan he ity s ong-erm ewer ystem Preventive aintenance Plan, submitted in January 20, has been distributed to all collection system operators and copies are maintained in each vehicle for quick reference his document is a living/breathing document, and was most recently updated and submitted to the assp and the P in arch 2017 Priority leaning Plan he ity s Priority leaning Plan, submitted in January 20, has been distributed to all collection system operators and copies are maintained in each vehicle for quick reference his document is a living/breathing document, and was most recently updated and submitted to the assp and the P in arch 2017 outine leaning Plan he ity s outine leaning Plan, submitted in January 20, has been distributed to all collection system operators and copies are maintained in each vehicle for quick reference his document is a living/breathing document, and was most recently updated and submitted to the assp and the P in arch 2017 eographical nformation ystems () aps Four maps were updated for this semi-annual report 1) ase ap: n updated base map has been submitted, to include updated property parcels ugust 31, 201 ity of Fitchburg, assachusetts Page 2 of 22

3 2) nfrastructure 1: he ity s sewer system is shown including combined and separated sewers along with pipe sizes and materials egulator manholes, combination manholes, and standard sewer manholes are also shown astly, the ity is continuing to acquire sewer rim elevations with its P unit o date we have located 2-percent of all sewer manholes hese locations are shown ote that the sewer manholes location percentage exceeds 0-percent of sewer manholes, because we have also been locating private manholes during our investigations in order to have a more complete picture of the sanitary system 3) nfrastructure 2: his map depicts record drawing storm drain data including the ity s current P shots of catch basins and drain manholes e will continue to locate drain structures but the astewater ivision s main concentration will be to locate all sewer related infrastructure s part of the ity s 4 Program, a more aggressive P assets location survey program has begun under the P - ngineering ivision 4) xtraneous Flow nvestigation, emediation, and apital mprovement Projects: his map includes sewer projects that have been accomplished within the reporting period and projects that are planned following the reporting period uring the reporting period the ity completed a sewer replacement project on oodwin treet to prevent s, repaired a collapsed sewer and removed a manhole, and also separated numerous combination manholes he locations of the manhole separations are also noted on the map lso, contained on this xtraneous Flow nvestigation, emediation, and apital mprovement Projects map (ap 4 of 4) is the ity s current status of its sewer cleaning and V program Pipes are color coded based on their condition rating he ity is working diligently to separate its combined sewers n early 2013 the ity reported 71,097 feet of combined sewer pipe in its system s of the close of this reporting period, the ity has a total remaining combined sewer length of approximately 44,11 feet apacity, anagement, peration & aintenance () elated ctivities, and aps he collection operators continue to make progress with V inspections and condition coding all 142 miles (approximate length) of sewer pipe within the ity y the close of the reporting period, the ity had condition coded approximately 7% of its sewer system Production has slowed somewhat on V operations, as the vast majority of pipes remaining to be coded are either located within difficult to access easements, egg-shaped pipes, -inch diameter pipes, the main interceptor sewer, or odd-shaped brick conduits umerous manholes were also inspected during this reporting period uring combination manhole repair or sewer line repair operations, V operations are suspended due to the staffing need for more crew members to conduct the repairs s the majority of the remaining sewers to be inspected are outside of the ity s capabilities to inspect, the ity has actively been outsourcing this work uring the reporting period, the ity completed inspecting,7 feet of its 37,000 foot trunk sewer using multi-sensor inspection, starting at the est F he multi-sensor inspection included V, onar, and adar, in order to assess pipe ovality, concrete loss, and sediment depth ata from the multi-sensor inspection was submitted on July 30 th, 201, incorporated into the revised Phase ewer ystem valuation tudy eport he ity plans to conduct additional inspection of its trunk sewer in the next reporting period he ity plans discuss these findings in the next reporting period he ity is currently ugust 31, 201 ity of Fitchburg, assachusetts Page 3 of 22

4 finalizing a new service agreement task order with our engineering consultant to complete this work n addition to the below tabulation of sewers cleaned and V d to date, a graphical representation of the progress on this effort is also attached to this report leaning and V status summary of the ity s 24 sub-watershed areas are provided below, in able 1 (ewer ain nspection - otal ength nspected o July 31, 201): 1 P - P J 31, 201 rea umber otal leaned and V'd (F) otal ewer Pipe (F) rea Percent ompleted 1 40,3 54, % 2 1,31 20,13 907% 3 37,30 4,77 775% 4 33,341 43, % 5 24,047 31, % 13,24 1, % 7,03 17,423 57% 23, 23,91 9% 9 21,03 25,05 393%,231 19, % 11 2,72 2, % 19,43 20,32 954% 13 32,71 40,9 02% 14 31,32 32,37 99% 30,3 31, % 1 29,307 30, % 17 27,492 39, % 1 49,21 51,201 9% 19 1,43 19, 9272% 20 43,411 45, % 21 24,974 25, % 22 44,201 44, % 23 1,19 17, % 24 17,404 1, 9324% otals in Feet 50, ,4 70% otals in iles % he following table (able 2) summarizes manhole inspections to date: ugust 31, 201 ity of Fitchburg, assachusetts Page 4 of 22

5 2 & -P P nspected by otal nspected otal anholes Percent of nspections ompleted ity of Fitchburg 432 3,5 05% verlap (manholes inspected by both ity and right- 92 3,5 257% Pierce) right-pierce 1,533 3,55 427% nspection otals 2,011 3,55 51% able 2 above includes both ity-inspected manholes, as well as past inspections performed by the ity s consultant engineer (right-pierce), that was conducted in conjunction with past projects, including 4, the field investigative work associated with the hydraulic model development and the Phases and, and with the eech and azel treets ewer eparation Project etween both the ity s ngineer, and the ity s in-house forces, 51% of manholes have been inspected dditional manholes have been inspected as part of the Phase nvestigations, and will be included in the next reporting period after the final Phase report is submitted to the P and assp s reported above, one of the ity s ngineering onsultants has inspected hundreds of manholes for various projects and work he ity and its onsultant have encountered some difficulty transferring the manhole inspection data from the onsultant s software to the ity s ranite system, however all future manhole inspections and pipe inspections conducted by consultants for the ity will conducted in a compatible format for the ity s ranite system, and this will become a requirement the ity is writing into new engineering services contracts for sewer systems inspection work lobal Positioning atellite (P) ystem pdate uring the reporting period, the ity upgraded its P to a faster and more accurate unit made by tonex he P was purchased in conjunction with the ity s P - ngineering ivision to save costs ity is continuing to locate all of its sewer manholes, drain manholes and catch basins with its new P unit o date the ity has located the following assets: 3,71 sewer manholes (total public & private manholes) out of 3,5 (total publicly-owned system manholes) 231% completed 1,911 drain manholes (out of an unknown total) 3,29 catch basins (out of an unknown total) ewer aterals 4 other asset types he ity s gas company, nitil, has been V ing sewer laterals in natural gas project areas, in order to reduce damage to private sewer laterals s part of these investigations, nitil marks out the locations of the sewer laterals he ity has been following nitil and locating the service ugust 31, 201 ity of Fitchburg, assachusetts Page 5 of 22

6 laterals with the ity s P, in order to update and improve the ity s sewer system map uring the last reporting period additional laterals were marked out in the west side of the ity where nitil gas work was being conducted ervice all ctivities he ollection perators have been performing service calls for system users with blocked service laterals ften the problem is a private matter, as sewer service laterals are private ownership (not ity-owned) and the ity is not responsible for blockages in private sewer laterals onetheless, the ity responds to all calls to determine the cause for the blockage because the cause of a problem for a service call is unknown until the ity can investigate the call anholes in the street are inspected for surcharging nspection frequently includes cleaning the line where the private lateral enters blindly into the public sewer and occasionally includes V ing the line to look up the private lateral for blockages f the issue is a private ownership issue, the ity will inform the customer that a private infrastructure issue exists and the customer should call a private sewer service or plumbing company Following a response to a service call, the collection operators fill out a ervice all nspection Form which is then inputted in to the ity s call-logging software, ee-lick-fix eelickfix creates a record of the service call including the issue, the date and time, the name and address of the customer, the details of the request and notes on how the matter was handled f work was performed at the site, eelickfix allows entry of who performed the work, and what time the work was completed he major benefit of eelickfix is the ability for residents and business owners to interact with ity officials onstituents can initiate an issue, can see that the ity has responded to an issue, and see when an issue is resolved lso included is a commenting feature which allows residents to express additional information on an issue o date, our experience with the eelickfix system has been useful in creating an electronic tracking system of service calls sset anagement ecently, the P astewater ivision adopted the sset anagement philosophy and approach to sustain levels of service, while minimizing risk of failure and the corresponding consequence of failure that could result from the failure of a ity wastewater infrastructure asset his methodology will go hand-in-hand with capital planning and financial sustainability of the astewater nterprise, and will help to prioritize and focus the financial resources towards the renewal of assets t the end of the previous reporting period, the ity received its final asset management model, built on the nfoaster platform by nnovyze he model will be a focal point for the ity going forward in prioritizing its management and rehabilitation of the collection system he ity is expected to implement a icrosoft Q erver in the coming reporting period in order to have the software loaded on the astewater ivision s computers -039, 007, 04, 011 ewer eparation Project uring the reporting period, the ity received a proposal from it s new engineering consultant (eston & ampson) to design the ity s next sewer separation and rehabilitation project in the ugust 31, 201 ity of Fitchburg, assachusetts Page of 22

7 areas of egulators 039, 007, 04, and 011, for an expected 2020 construction start date he reasoning for target these regulators is as follows: -039 is the most active regulator in the ity, and has a history of dry-weather overflow events due to poor regulator configuration leading to blockages ass replacing the bridge at egulator 039 s location, prompting the ity to coordinate with ass to close the regulator and replace the sewer suspended from the bridge -04 is relatively inactive but is also located within the ass Project area, prompting the ity to schedule this regulator s closure -007 is located adjacent to the -039 project area and consists of a problematic chamber configuration prone to blockages he sewer upstream on outh treet is also in very poor condition -011 is closed, however on an approximate annual basis, basement backups occur due to combined sewer in the former -011 area ntermittent tream onnections to ewer For five (5) years the ity has attempted to gain access to 34 ighview treet, a foreclosed property, to determine if the sanitary lateral from the property was connected to a culverted stream that discharged to the sanitary system ehabilitation work has recently been noticed at the property, which will likely allow the ity to conduct an investigation to determine connectivity and remove the intermittent stream from the sanitary system eter aintenance he ity has been maintaining its 13 flow meters located at regulator manholes throughout the reporting period urrent meters include 13 riton Flow meters he table below (able 3) includes the reporting period s summary of overflows he reporting period is from February 1, 201 to July 31, 201 n accordance with Paragraph 70, ubparagraph d of the onsent ecree, the ity recorded 9 events and total overflow volume of 13,790,739 total gallons t the risk of penalty, the ity certifies that it has performed all calculations in good faith dditional data shown in able 3 includes notes on whether or not the meter was malfunctioning for a time during the reporting period uring the reporting period, the ity had good meter coverage, with little downtime ugust 31, 201 ity of Fitchburg, assachusetts Page 7 of 22

8 3 - VF F P P F 1, 201 J 31, 201 eter ocation vents Volume (allons) otes: -004 leghorn t at ak ill oad 4 0, ushing t at iverfront Park 1 egulator rehabilitation design to begin next reporting period -0 ain t at iver t 7 40, ain t at Post ffice 72, ater t at alnut t 1,7,000 ext combined sewer area to be targeted for separation due to bridge replacement at regulator -041 enson d near Falulah t 2 194,000 nstalled a downward looking ultrasonic sensor to more accurately calculate overflows -045 ain t at liver/putnam t 13 1,20, ater t 1 3,534 egulator closure design to begin next reporting period -04 ater t asement at former alloween orld 7 9,254,33 egulator on main interceptor sewer nflow removal upstream and sewer upsizing necessary for closure wo days of meter downtime -07 irch t at eywood t 2 5,000 Pipe undersized with high / in contributory area o known combined sewer upstream eter was down for February ain t at Prichard t 5 245,17 otals 9 13,790,739 he ity has also been servicing the meters on a roughly 1-month frequency to help in maintaining high data quality t times the meter manufacturer ( nvironmental ervices) has conducted visits to the ity to troubleshoot problematic meters uring the next reporting period, the ity will be working with in an effort to provide better public notification for vents he technology to provide accurate and instant notification of s is in its infancy, leading the ity to explore multiple options for better notification ewer tructural epairs uring the reporting period, the ity conducted various structural repairs to strengthen the integrity of its sewer system he major structural repairs conducted were: ugust 31, 201 ity of Fitchburg, assachusetts Page of 22

9 eplacement of 0 linear feet of sewer on hea treet at Jane treet to repair a collapsed sewer and eliminate an unnecessary manhole from the sanitary system eplacement of a collapsed sewer manhole and sewer main on hea treet at lice treet eplacement of 250-feet of -inch diameter sewer line on oodwin treet to prevent future s resulting from poor pipe condition ther collection system repair improvements performed in the period include: eplacement of dozens of frames and covers, that had defects or that contained vent holes, during street paving Post onstruction onitoring Plan & Post onstruction onitoring eport n late ay 201, the ity was approved to proceed with the Post-onstruction onitoring Plan (PP) field sampling program he ity requested and received an extension from assp and P to extend the performance of PP sampling, as working hours, lab hours, and timeliness of events limits the time available to sample a wet weather event to only 4 or 5 hours a day he ity finished the final wet weather sampling within calendar 2017, and the Post-onstruction onitoring eport (P) was submitted for review and approval at the end of February 201 o date, we have not receive a response from either the assp or P mergency esponse Plan he ity s mergency esponse Plan, submitted in ugust 2011, subsequently revised in January 20, has been distributed to all collection system operators and copies are maintained in each vehicle for quick reference his document is a living/breathing document, and was most recently updated and submitted to the assp and the P in arch 2017 ydraulic odel & ydraulic apacity ssessment s required under Paragraphs 41 through 4 of the onsent ecree, the ity is required to develop a hydraulic model for all pipes in the ity -inches and larger, and for all s uring the reporting period, the ity received conditional approval of its ydraulic odel he model was approved based on the understanding that additional model runs and analysis would be conducted under the apacity ssessment eport which will be submitted (under separate cover) at the end of ugust 201 ewer ystem valuation urvey s required under Paragraphs 2 and 27 of the onsent ecree, the ity was required to submit a cope of ork () for approval, to conduct an in accordance with the approved, and to submit a report for approval by P and assp he ity submitted the draft before the ecember 31, 20 deadline he final was submitted to the assp and P on ugust, 201, and there were subsequent electronic correspondence between the ity, right-pierce and assp later in the month of ugust 201 owever, to date, the ity has received neither a formal approval, nor a conditional approval of the cope of ork he ity has proceeded forward with the phased investigative work entailed in the cope of ork s a strategic deviation, largely due to the criticality of the trunk line sewer asset, the ity is prioritizing the investigative work associated with the trunk sewer line ( Phase 4 in the cope of ork), ahead of the Phase 3 work (meter basins 0, 14, and 1) his ugust 31, 201 ity of Fitchburg, assachusetts Page 9 of 22

10 trunk line sewer investigative work commenced during the previous reporting period as mentioned under the section on Page 3, and is expected to be completed during the next reporting period n addition to being a high priority for the ity, assp requested a portion of the trunk sewer be inspected as part of their Phase 1 comments he Phase 1 report was submitted at the end of 201 omments from the assp have been received and will be responded to concurrently with any comments that P may have ombination anholes Program here was one rain event during the reporting period that met the criteria necessary to perform combination manhole inspections (2-inches in a 24-hour period) he rain event occurred on pril 1, 201 with 255 inches of recorded at the ity s rain gage at the epartment of Public orks uring the reporting period, there were a total of 47 flow transferences to either the drain side, or sewer side of the manholes hese overflows are taking place in a total of 191 remaining combination manholes ttachment 1 includes all combination sewer manhole checks in the remaining combination manholes he P permit states that the ity has two years to fix s if they show evidence of transference n the past, the ity has prioritized s that transfer sanitary water to the storm drain over s that transfer storm drain water to the sanitary sewer s a result, in the past the ity has first prioritized those manholes that show evidence of transference to the drain side of a manhole n the past 35 years however, the ity has received multiple prices for separating combination manholes t has been determined that pricing is very unfavorable when mobilizing and demobilizing multiple times throughout the ity to separate manholes n addition, separating one manhole on a street does not solve transference issues if other combination manholes remain on the same street ue to the aforementioned reasons, the ity has been prioritizing separation of manholes based on location and concentrating in specific areas to receive better pricing, but also drastically reduce the chance for transference from a specific area uring the reporting period, good progress was made on separating combination manholes throughout the ity hirteen manholes were separated during the reporting period via in-house forces, the ity s paving contractor, and the ity s n-all and ombination anhole eparation Project contractor ll manholes separated during the reporting period, and also all manholes planned to be separated during the next reporting period are noted on the xtraneous Flow nvestigation, emediation, and apital mprovement Projects map (ap 4 of 4) dditional manholes are likely to be separated during the next reporting period that are not shown on the map n able 4 below, during the reporting period, the following combination manholes were separated: 4 o ewer ub-rea ocation 21 hea treet/50-ft of ernard rive hea treet, 40-ft of ollywood treet hea treet ack oad hea treet, 20-ft of iles treet ollywood treet/hea treet ntersection ugust 31, 201 ity of Fitchburg, assachusetts Page of 22

11 anton treet 21 5-ft of hea treet/onald treet ntersection ft of hea treet/onald treet ntersection hea treet 32 3 oulder rive, between eemer's and hea treet llis treet at ingsbury treet he ity is also continuing in negotiations with the ass ighway ivision, as the ity is pursuing separating an additional combination manholes on unenburg treet (oute 2) prior to paving of the road by the state he ity planned to conduct these combination manhole separations during the previous reporting period, however prolonged discussions with ass has delayed this project he work has been delayed as ass is considering increasing the drain line size in this area, conducting intersection and streetscape improvements on unenburg treet, and then possibly conveying ownership of the road to the ity uring the reporting period, the ity installed temporary measures at the two lowest elevation manholes on unenburg treet to prevent storm discharge to the anitary ystem hese temporary measures consisted of installing steel plates with lift rings over the sanitary sewer inverts in order to prevent storm water entering the sanitary system from the drain side of the combination manhole he remaining combination manholes on unenburg treet are at a high enough elevation where water will exit catch basins on the lower manholes before transferring flow over the weir walls on the remaining manholes he ity also has plans to separate additional combination manholes using P crews, many of the combination manholes are shallow in depth, and relatively simple for separation n the coming reporting period the ity expects to make additional progress in separating manholes tatus of egulators and utfalls he ity had hoped to be able to close egulator -007 during the next reporting period, however one event did occur during a large rain event on June 1 he ity is actively pursuing methods to close this regulator s part of the combined sewer separation project mentioned above, the ity will begin design of a project in the next reporting period to condition assess and reconfigure the regulator in order to provide closure in 2020 For the near future, the ity will be cleaning the regulator chamber to remove debris, and will also consider installing bolted covers on the regulator to maximize volume within the collection system and close the regulator ubsequent to P and P approval (or conditional approval) of the ity s apacity ssessment in the next reporting period, the ity intends to utilize the hydraulic model as a tool in determining how much combined sewer separation and inflow removal work is necessary for closure of each of the remaining regulators he next area of sewer separation to be targeted is the egulators 039, 007, 04, and 011 Project as noted in previous sections ewer ate ncrease uring the current reporting period, the ity has developed a rate study model which incorporated estimated expenses in order to further the ity s goals in regard to onsent ecree, P Permit ugust 31, 201 ity of Fitchburg, assachusetts Page 11 of 22

12 and lean ater ct ompliance he rate is expected to increase approximately 42% over five years, and be close to (but under) the 2% edium ousehold ncome threshold for the ity n pril 17 th, 201, ity ouncil passed an rdinance revision, amending and adopting the sewer use rates as presented in able 5 below: 5 inimum onthly ewer se harges (includes usage of up to and including 300 cubic feet per month) urrent ate June 1, 201 June 1, 2019 June 1, 2020 June 1, 2021 June 1, 2022 $ $203 $2199 $2353 $2517 $21 ate per 0 cubic feet (which equals 74 gallons) onthly ewer ate to be charged for usage in excess of 300 cubic feet per month urrent ate June 1, 201 June 1, 2019 June 1, 2020 June 1, 2021 June 1, 2022 $730 $7 $51 $911 $975 $3 onthly ewer-nly ewer se harges urrent ate June 1, 201 June 1, 2019 June 1, 2020 June 1, 2021 June 1, 2022 $03 $57 $7092 $7592 $5 $50 P P hemically nhanced Primary reatment (P) pgrade Project s noted in the ity s February 2017 emi-nnual emedial easures reporting on this onsent ecree project, we herein and henceforth limit reporting to operational comment updates, as noted in the following paragraph Plant operations have maintained a continuous P mode for the plant process (2 nd stage) which has not yet gone through the econdary ystems pgrades () Project selector zone installation For the process that has undergone selector zone installation (1 st stage), P has been discontinued as the new selector zone treatment process has been able to maintain significantly greater nutrient removal and has not needed the addition of the P chemicals (Ferric hloride and Polymer) e are also primarily using polymer to enhance the removal rates at all times etweather P operations appear to be increasingly effective, and operations staff appear to have addressed process issues that relate to low p he overall compliance of the treatment operation appears to be significantly improved but the Project which began on arch 3, 2017 requires us to take a portion of our treatment process offline he reduced treatment process has lowered our treatment capacity but the plant effluent quality this period remains in compliance with the interim 05 ppm phosphorus limit ugust 31, 201 ity of Fitchburg, assachusetts Page of 22

13 econdary ystems pgrades () Project he Project commenced in February 2017 he ity procured the renewal flood insurance policies certificates, as required by the assp ivision of unicipal ervices he policies effective dates run from January 4, 201 thru January 4, 2019 he policies were through the ational Flood nsurance Program, and were for the following buildings within the asterly astewater reatment Facility: hlorination uilding Policy o lower uilding Policy o Process uilding & Primary allery Policy o hrough the end of the current reporting period, the Project has progressed to approximately 5% of ubstantial ompletion (and 55% of Final ompletion), and the work completed represents approximately 9% of the construction contract price y the ontract s ontract ays, the Project is to be substantially complete within 22 consecutive calendar days, on or before ay, 2019, and is to be final complete within 974 consecutive calendar days, on or before ctober 14, 2019 ong-erm Preventative aintenance Plan he ong erm Preventative aintenance Plan has been implemented and practices and protocols contained therein are being carried out he system is continually being populated with new systems and equipment as work is being performed in an effort to build a completed history of maintenance procedures he plan is also reviewed with any new employees to insure they are familiar with the practice and procedures in the plan Preventative maintenance work completed between February 1, 201 and July 31, 201 included: February 201 #2 oiler repaired gas leak oiler urner pgrade (initiated) #2 Primary ludge rinder replaced cutter pack rebuilt cutter pack taken out #4 Final ampler replaced power supply P austic anks installed platform with safety railings over tanks to service utomatic fill valve actuators est Plant levator tate nspected #2 Primary asin, ide replaced broken shear pin #1 Primary ludge Pump - replaced check ball gasket assembly #2 lended ludge Pump replaced lower gasket #1 Fournier Press ebuild (ongoing) ompleted 52 Preventative aintenance work orders and 22 emand work orders ugust 31, 201 ity of Fitchburg, assachusetts Page 13 of 22

14 arch 201 # 1 Primary asin ear reducer rebuilt and back online oiler urner pgrade (ongoing) #1 Fournier Press ebuild (ongoing) 1 st tage #1 Pump troubleshoot and repair lutch #2 lended ludge Pump replaced lower gasket lended ludge ines installed saddle taps to flush lines #3 Primary asin, ide replaced chain idler hiller eplaced heat exchanger and water control valve #2 ravity hickening ank rained & cleaned ank- replaced tank sludge valve 2 nd tage #1 eration ank - ook train off line clean tank for Project ompleted 59 preventative maintenance work orders and 17 demand work orders pril 201 #1 Fournier Press - ompleted and ack online pril 20 th ay #4 nstalled new unit heater oiler urner pgrade - ompleted P - agnesium ydroxide ank rained and cleaned ucket ruck nnual afety nspection #1 Primary ludge rinder opened and removed debris from grinder ludge alley ump Pump removed and repair #2 tage eration asin ide #2 repaired broken diffuser line 2 nd tage aton uto trainer - repaired worn shaft eration lower Filters replaced roll media et ell Pump repaired burnt wires to pump ompleted 2 preventative maintenance work orders and demand work orders ay st tage, #2 asting Pump - replaced coupling element P uilding #1 austic ank rotate valve actuator for serviceability ater hamp apid ixer removed rope from impeller Fournier Press anich akeup Polymer ystem replace #2 pump rotor, cleaned debris from #1 pump 1 st tage, ide #2 larifier - eveled saw tooth weir that dropped check all others for tightness #2 Penn Valley lended ludge Pump replaced drive assembly and rebuilt pump 11 repaired #4 Penn Valley Pump replaced iaphragm discs and gaskets ompleted 4 preventative maintenance work orders and demand work orders June st ide #2 larifier cleared raft ube et ell Pump replace Power end Vaughn Pump replaced low level oil switch outh ast ir andler replaced cooling coil Primary asin #3 inspected and replaced wear shoes ay 4 crew onveyor replaced motor #1 Penn Valley lended ludge Pump replaced motor bearings ugust 31, 201 ity of Fitchburg, assachusetts Page 14 of 22

15 2 nd tage ide #2 eration ank replaced Probe oom oom erviced 1 st tage Pump replaced shorted VF key pad ettled ffluent kid replaced P atteries ompleted preventative maintenance work orders and 20 demand work orders July 201 #2 ampler rebuild compressor unit ncinerator asement cleared drain 1 st tage larifiers replaced shear pin #1 larifier, lubed and adjust chain #2 larifier - dor ontrol - repaired caustic leak #1 Penn Valley lended ludge Pump adjusted belt tension ample heds waster sealed platforms P uilding austic ystem - reprogrammed tank dilution valve actuators ay #5 nstalling floor plates (ongoing) ompleted 3 preventative maintenance work orders and 7 demand work orders ther accomplishments of note include: ooking forward to the coming six months, the ity plans to: ast Plant eplace Primary asin ear educers nstall ay #5 Floor Plates enerator service agreement for new tandby Power lectrical enerators at the ast F econdary ystems pgrades () Project started in February 2017 ompletion date Fall 2019 naerobic igestion Facility Feasibility tudy, for iting at the esterly astewater reatment Facility o date, astewater has continued to be unable to attain a decision consensus from the ity, concerning willingness to pursue this long-term treatment sludge residuals management alternative, and the initiative has been back-burnered owever, there has been sustained interest in the prospective project within the ity, and from energy service performance contractor representatives and private development investors interested in exploring Fitchburg as a location to site an anaerobic digestion facility dditionally, astewater has continued to explore alternative approaches that may enable long-term sustainability and costs control with technologies such as low-temperature sludge drying in order to reduce volume and weight, provide disinfection of sludge, and to produce stabilized sludge residuals that are suitable for beneficial reutilization, diverting this treatment byproduct material away from solid waste landfill disposal or incineration disposition pathways n a related front, the ity and the own of estminster are continuing to pursue an expansion of the jointly owned Fitchburg/estminster andfill n expansion of the landfill s ugust 31, 201 ity of Fitchburg, assachusetts Page of 22

16 volumetric capacity will correspondingly also extend the landfill s useful life, however such an expansion will only allow a finite term extension, and will not be a long-term, sustainable management practice for the disposal of wastewater treatment sludge residuals s a result, the P astewater ivision continues to work with the ayor s ffice, the ity s ommunity evelopment ffice, and the Purchasing epartment ffice to pursue opportunities for a longterm, sustainable solution for the wastewater treatment sludge residuals and useful repurposing and revitalizing the underutilized esterly astewater reatment Plant property ity rdinance evisions n the previous reporting period, on ctober, 2017, the ity executed a professional services task with on-call engineering firm, rcadis, for assistance in reviewing and updated ity rdinances (specifically hapter 147 ewers, and hapter 4 tormwater anagement and rosion ontrol) he scope also included assistance for development of ewer se ules & egulations to better assist the P- astewater ivision in the P & ollection ystem operation & management, and regulation of sewer system users n July 201, the ity executed a professional service task with on-call engineering firm, right- Pierce, to develop technically-based local limits for implementation into the ity s ndustrial Pretreatment Program for protection of the sewer collection system, the wastewater treatment plant, and ity workers n the reporting period, P astewater has continued with updating of ity ode ( ordinance ) ith assistance from consulting engineers (right-pierce), the ity has completed drafting of the updated technically-based ocal imits n the next reporting period (ugust 201 January 2019), the ity submitted the final ocal imits eport to P egion 1 for review and approval (submitted ugust 27 th, 201) to the ffice of the P egion 1 ndustrial Pretreatment oordinator lso in the reporting period, with assistance from consulting engineers (rcadis), the following rdinances review and updating tasks were accomplished: eview of existing rdinances (ewer rdinance & tormwater anagement rdinance); rdinances updates recommendations memoranda were prepared by consultant for ewer & tormwater; raft updated ewer rdinance and tormwater anagement rdinance were provided to ity by consultant for review & comment, and ity provided written review comments and questions to consultant n the next reporting period, the following ordinance updating milestones are projected: onsultant will lead workshops with ity departmental and officials stakeholders, where the details of the ordinances, and use rules and regulations will be discussed, and to work out any conflicts in protocols for implementing the proposed revised ordinances, and use rules and regulations; ugust 31, 201 ity of Fitchburg, assachusetts Page 1 of 22

17 P astewater ivision and P ngineering ivision leadership will plan and hold outreach meetings with the ayor s ffice and ity ouncilors, to brief the ity authorities on the proposed ordinances, and use rules and regulations, prior to the process for rdinance legislation change begins; Finalize the ordinances; ubmit petition to ouncil for rdinances change, and give presentation to ouncil regarding the petition for rdinances change; and Finalize use rules and regulations (ewer & tormwater anagement) et-eather perations he ity has not introduced any septage or other high strength side streams not associated with plant operations during times that any portion of the flow was bypassing the secondary treatment system, or during times when a secondary system bypass was likely to occur within two hours he econdary ystem pgrade () Project began on arch 3, 2017 he project requires us to take a portion of our treatment process offline for construction upgrades his first phase of this project has been completed with the installation of selector zones within the 1 st tage eration anks (ide 1 and ide 2) on arch 14 th, 201 he second phase of the project required us to take 2 nd tage, ide 1 eration ank and larifier offline, and this was accomplished on arch 1 th, 201, and presently remains offline he reduced treatment process has also lowered our treatment capacity e are continuing this practice as required and will conduct periodic review sessions with plant staff to ensure all personnel are aware of wet weather operational procedures ince the implementation of the tate Point nalysis system, developed by right-pierce, plant operations have seen reductions in the length of time of secondary system bypasses, reduction in oli violations, and reductions in both and violations of the P permit P n accordance with the onsent ecree, a first draft of the ity s astewater anagement Plan (P) is to be submitted to the P and the assp for review and approval his plan will lay the framework for the ity to come into compliance with the Federal lean ater ct and the terms of the onsent ecree he P is required by the onsent ecree to include facility upgrades required to meet seasonal total phosphorus concentration-based limits and collection system upgrades necessary to meet federal water quality standards for combined sewer overflows (s) s part of the P, a ong-erm ontrol Plan (P) is being created in accordance with P s ombined ewer verflows uidance for ong-erm ontrol Plan, P s oordinating ong-erm Planning with ater Quality tandards eviews, assp s uidance for batement of Pollution from ischarges, and other relevant state and federal guidance reports he ity s engineering consultant, eston & ampson, is currently working on the P project ithin this reporting period, eston & ampson has summarized the existing conditions of the current combined sewer system, investigated historical and current water quality data for the orth ugust 31, 201 ity of Fitchburg, assachusetts Page 17 of 22

18 ashua iver, and began investigating effluent water quality data from the asterly astewater reatment Facility (F) he ydraulic apacity ssessment is a vital component for the creation of the P and P and is expected to be completed on or before eptember 2, 201 his submittal date was delayed due to the prolonged process of ydraulic odel approval review discussions, and supplementary modeling analyses s a result, the ity formally requested a 9-month extension for the P on ay 22, 201 his would extend the P project deadline to arch 2, 2019 he ity has not received confirmation of acceptance of the extension request from P and assp, and eston & ampson has been, on behalf of the ity, following up monthly with P and assp regarding a formal response n the next reporting period, eston & ampson plans to perform a peer review and incorporate the completed ydraulic apacity ssessment into the P (pending P and assp final approval) stimated costs for sewer separation projects and ontrol lternatives will be analyzed to determine their extent of social and economic impact on the community ased on the findings of these steps, recommendations will be formulated for the ity s approach for future mitigation n addition, recommendations for improvements to the asterly F will be created based on current loads and projected requirements of the ity s next P Permit hese tasks will be incorporated into the P he onsent ecree s P emedial easure also stipulates (via Para 55a) that, in developing the P, the ity is encouraged to consider evaluating potential est anagement Practices, including the use of all appropriate green infrastructure and low-impact development techniques currently available to reduce inflow P tudents eam, nteractive Qualifying Project (or, QP ), pring 201 ithin the reporting period, the ity (P - astewater ivision, P - ngineering ivision, and the Fitchburg Public chools) collaborated with orcester Polytechnic nstitute (P) on a P undergraduate students project he P tudents project team developed an environmental education program consisting of a tudent orkbook and complementary ducator esource uide First and foremost, these materials improved the ity of Fitchburg s compliance with the 4 Permit s first minimum control measure, Public ducation and utreach ogether the tudent orkbook and ducator uide combine interdisciplinary learning and hands-on, outdoor activities to instill environmental stewardship among Fitchburg s younger generations hese project deliverables will continue to be a resource to the Fitchburg Public chools in their cience, echnology ngineering and ath curriculum, to educate Fitchburg youth in environmental education, including subjects that relate to green infrastructure n addition, in the course of the project, the P tudents project team also engaged with the Fitchburg igh chool s nvirothon eam (igh chool P cience tudents) to produce a short educational video, titled unoff andy and the ain ranglers, which can be viewed on ouube at: he P tudents project team also participated in the oys & irls lub of Fitchburg and eominster s Fifth nnual entral assachusetts cience Festival, that was held on pril ugust 31, 201 ity of Fitchburg, assachusetts Page 1 of 22

19 14 th, 201 t the cience Festival, the P tudents project team had a presentation booth, and focused their activities on stormwater runoff and pollution prevention education he students team s project culminated in a project presentation to the Fitchburg Public chools ommittee on pril 23, 201, and the students team s project had a good article written and published in the local newspaper (entinel & nterprise) in an article that ran on pril 7, 201, titled P tudents tormwater Project to elp Fitchburg his project was a great success, and also served to create and strengthen networking bonds between ity epartments, the ashua iver atershed ssociation, the Fitchburg onservation ommission, which will help future efforts on the green infrastructure development and implementation front n the next reporting period, P - astewater ivision will explore an opportunity to partner again with the Fitchburg Public chools to site and install a green infrastructure learning laboratory that can work with the FP curricula program for Fitchburg students Fitchburg ity ain arrels Program, 201 ithin the reporting period, the ity (collaboration between the P - astewater ivision, P - ngineering ivision, and the Fitchburg onservation ommission) launched a ain arrels Program in the pring of 201 he ity partnered with the reat merican ain arrel ompany to facilitate a program where residents can purchase rain barrels to harvest rainwater runoff from rooftops for beneficial use in irrigating the private property where the runoff was captured, thereby diverting this runoff from the 4 system, and promoting the infiltration and bioattenuation of the runoff n this inaugural year of the program, the collaborating ity partners offered the rain barrels at discounted purchase pricing, and sold a total of 11 rain barrels, which were distributed to the purchasers in early June 201 he ity partners were pleased with the success of the program s inaugural year, and intend to continue the program in the pring of 2019 his ain arrels Program will also be a key development and networking tool to help grow green infrastructure in the ity into other forms that will serve to help attenuate and infiltrate stormwater runoff on private properties, helping to prevent that water from entering into and adversely affecting both the ity s sewer system and the hydraulic loading to the F that is associated with wet weather events ity rdinances & reen nfrastructure s noted previously in this report, the development of updated ity rdinances will help to facilitate and encourage the implementation of green infrastructure and low-impact development techniques s this ity initiative develops, the ity s P astewater ivision will have a key participating and leadership role in this program, which will also involve a number of other program partners from within the ity departments and offices, but also with private partners and stakeholders from the community ugust 31, 201 ity of Fitchburg, assachusetts Page 19 of 22

20 ithin the reporting period, there were no discovered and confirmed illicit connections during the eech and azel treet ewer eparation Project to be redirected oing forward, in the course of ongoing and periodic repeat V work, any suspected illicit connections will be identified for further investigation, to confirm or rule out as an illicit connection f determined to be illicit connections, the area infrastructure will be reviewed and evaluated for the feasibility of redirecting confirmed illicit connections PP he ity has been complying with the interim phosphorus limits contained in ttachment 9b of the onsent ecree and have had a -month rolling phosphorus average of 05 ppm, which is at the interim phosphorus limit of 05 ppm he ity attributes the sustained compliance during our reduced treatment capacity, with respect to interim phosphorus limits compliance, to contributions from the P primary treatment improvements, the tate Point system, and the hard work of the plant operations and maintenance personnel V PP V PJ (P) o P activities took place during the reporting period row-in environmental conditions of the pring and early ummer months of 201 have continued to be very favorable astewater asserts the project has been a success, and has received the P Form ertificate of ompliance closeout documents for the P s rder of onditions from the Fitchburg onservation ommission astewater will have the P Form recorded at the orcester orth egistry of eeds within the next reporting period tabilized rook ank, Facing orth (Photo taken /24/201) tabilized rook ank, Facing outh (Photo taken /24/201) f there are any comments or questions regarding the above subject please contact the undersigned at (97) ugust 31, 201 ity of Fitchburg, assachusetts Page 20 of 22

21

22

23 ollection ystem leaning and V'ing 00, ,000 ength V'd (F) otal ength (F) 00, ,000 Feet of ewer 400, , ,000 0,000 0 Feb 2013 ug 2013 Feb 2014 ug 2014 Feb 20 ug 20 Feb 201 ug 201 Feb 2017 ug 2017 Feb 201 ug 201 eporting Periods

24 1 - - s Fitchburg hecks ain ate: 4/1/201 ainfall: 255 Fitchburg hecks ain ate:/2 & /30/17 ainfall: 345 & 403 Fitchburg hecks ain ate: 9/7/17 ainfall: 29 in Fitchburg hecks Fitchburg hecks Fitchburg hecks Fitchburg hecks Fitchburg hecks Fitchburg hecks tantec hecks tantec hecks ain ate:5/2/17 ain ate:/21/201 ain ate:09/30/20 ain ate: /23/ 2014 ain ate: ugust 9, 2013 ain ate: pril 20&21, 20- January 1, 200 pril 1, 200 ainfall: 2 in ainfall: 317 in ainfall: 3 in ainfall: 322 in ainfall: 23 in ainfall: 2 in 1st ound 2nd ound ub atershed # ocation 1 3 lbee t/elli lbee t/imitz lbee t/rysiak ve ntersection lbee t lbee t lbee t anton treet/valley t Place asement anton treet, 50 of omano rysiak rysiak eyte/9 ormandy eyte/ormandy eyte eyte eyte eyte ourtyard between 23 and 1 eyte imitz ormandy d/ffice ntrance ormandy d/ffice Parking ot ormandy d ormandy omano/anton omano t Paul t t Peter t ater t ater t ater treet ater/0 of uckmill Valley t Valley t asement First asement econd at ock Valley t eekman irch t verett t verett t/aplecrest ve ntersection Fairbanks t/verett t ntersection Fairbanks t Fairbanks t/aplecrest ve ntersection Fairbanks t alem/t nt hurch alem t/irch t ntersection alem t/eekman t ntersection awyer Passway (Quality Fab) outh t/verett t ntersection awyer Passway at ayden Pass lm t/arshall r ntersection lm t, 0 of attson lm/attson arshall t/r ain treet (n liver ain) aldwell t/rlington t ntersection ead t shburnham ill oad shburnham ill oad shburnham ill oad shburnham ill oad shburnham ill oad rlington treet ascade/plain ascade/verland estminster/verland estminster t/princeton d ntersection estminster t/ureka t ntersection erry t/ardy Pass ntersection unenburg/erry unenburg/perkins unenburg t/arland t ntersection unenburg t/akland t ntersection unenburg/edman Pl/ unenburg t/inwood ve ntersection ack ack ownstream from 50 rown ve 0 3 pstream from 50 rown ve ighland ve/rown ve ntersection incoln t/ogers ve ntersection incoln t ogers ve/ighland ve ntersection ogers ve/rown ve ntersection ogers ve lossom t lossom/rescent lossom t/yefield d ntersection ongwood/yman ongwood ongwood ve/aswell t ntersection ongwood ve 0 otal verflows

25 1 - - s Fitchburg hecks ain ate: 4/1/201 ainfall: 255 Fitchburg hecks ain ate:/2 & /30/17 ainfall: 345 & 403 Fitchburg hecks ain ate: 9/7/17 ainfall: 29 in Fitchburg hecks Fitchburg hecks Fitchburg hecks Fitchburg hecks Fitchburg hecks Fitchburg hecks tantec hecks tantec hecks ain ate:5/2/17 ain ate:/21/201 ain ate:09/30/20 ain ate: /23/ 2014 ain ate: ugust 9, 2013 ain ate: pril 20&21, 20- January 1, 200 pril 1, 200 ainfall: 2 in ainfall: 317 in ainfall: 3 in ainfall: 322 in ainfall: 23 in ainfall: 2 in 1st ound 2nd ound ub atershed # ocation ongwood ve sgood t sgood/ongwood lossom at oss yefield yefield yefield / endell d ntersection londike/horndike Pearl/harlton Pearl ownsend t/ormal d ntersection ownsend t ownsend t ownsend t Forest ill d/j eating d ntersection Forest/Paulsons Forest ill d/forest Pk ntersection Forest ill d/forest ill ve Forest Park enry t/ainville ve ntersection * enry t/ountain ve ntersection enry t/arion ve ntersection arion t Putnam Pk Putnam ainville ve ainville ld outh t ld outh t ld outh t/t Peter t ntersection ld outh/eywood ollstone ollstone/0' Fr hattuck ollstone/ruce 50 ownhill eech t eech/lden eech t eech/elisle eech eech/egros eech/200 From Franklin Parker/hurston Parker t oodland t oodland t/lden t ntersection habot rive addison adison/emetery iami t hea t learview ve/foch ve ntersection learview ve olumbus olumbus ope t/fredette t ntersection urd/t ndrew urd t urd t egros aryland ve acdonald ve ewtonville/foch ak ill d/ernadette t ntersection 1 1 otal verflows

26 1 - - s Fitchburg hecks ain ate: 4/1/201 ainfall: 255 Fitchburg hecks ain ate:/2 & /30/17 ainfall: 345 & 403 Fitchburg hecks ain ate: 9/7/17 ainfall: 29 in Fitchburg hecks Fitchburg hecks Fitchburg hecks Fitchburg hecks Fitchburg hecks Fitchburg hecks tantec hecks tantec hecks ain ate:5/2/17 ain ate:/21/201 ain ate:09/30/20 ain ate: /23/ 2014 ain ate: ugust 9, 2013 ain ate: pril 20&21, 20- January 1, 200 pril 1, 200 ainfall: 2 in ainfall: 317 in ainfall: 3 in ainfall: 322 in ainfall: 23 in ainfall: 2 in 1st ound 2nd ound ub atershed # ocation ak ill d/xeter t ntersection ak ill d/urd t ntersection ak ill/cdonald ak ill oad/ngland ve ntersection ak ill/aniels 30 feet uphill ak ill/jeanette ak ill oad ak ill onald ve 0 22 t Joseph t/pratt d ntersection t Joseph/elisle t Joseph/t ndrew t Joseph/egros t Joseph t Joseph t t Joseph t heresa t/t ndrew t ntersection heresa/egros heresa/eslisle heresa t/ope t ntersection heresa t heresa t heresa t heresa heresa t ewtonville/ak ill ork venue ork venue ork venue ppleton ircle ppleton ircle ,5, ppleton Fairmount/eroy eroy t/learview ve ntersection eroy t/ewtonville ve ntersection ppleton ircle ppleton ircle otals otal verflows

27 F - - F P J V V V F J P P V P P P V V V V P V V V P V P V P V P F F V V V V P V P V F V V V 2 V V P V P P F P V V V V P V V P V X P V V V J V Z P F F P P V V PF F V V V P P P P - P V V P F P V P P P J F P F P V F X V P V F P P P V V V V P P P V V Q F Z V F V V P P V V F Q F P P P P V F F X X P P ' P V V V V P X F P V P V V P V P P V V F PP V V V P P V F P V V P PV PP PV V P P P V V P V J P P P F V egend V V V P V V F V V ' F V V V V P V V P F V P P V P V P V P P 2 V F F V J V FF V P Q P V P F J P V P V F V P JF F Z V P J J V F F V P P V X V F FF F Z V P V P V X P F Z P - P P P F J FF V P V P F P P V FV V V P P P F V P P P P V F FF PPP J V V V V V P J P P Q FF F V F P F V J V F V F V P V V V V V V F F P P P V V P J V P F P P F V P V V P P P V V V P F V P F V P V J P P P P V V V V P V V P V V P P J V F V P V V X P P X V P P V F P V V V P ' F P J P F F F ity of Fitchburg, assachusetts P P & P P 1 F 4 ugust 1, iles : 1 = 1,000 F uthor: kdupont Path: P:\ \\ aps\onsent ecree\201-0 emi nnual eport\1of4_fitchburg_aseap1mxd

28 - F - F P 1 2 J V V V F P P P P V 54 V P 1 V V P V 1 V F P V 54 V V V V ( 041 P V P V F P V V F V V V V V P V V V 30 V P V V P P 1 54 F V P V P V 3 V P 1 V Z X 1 F J V V 0 1 P P V PF P V V P F P P - V V V P F 21 F P 1 P 39 P V V F X P P 27 F P V J PP F P P 1 V V 1 2 V Q P V V Q 1 Z 2 1 F V P F V V X F 1 0 P V V F P V 30 V F P P F P P P X P P 20 1 V 1 ' 3 2 X 2 V V P P F V 20 V P P V V F PP V V 1 0 P P V V 2 1 P 2 P V P 21 P V 20 F V P V F P 1 PV 04 ( V V V V P 11 F P V V P P V P V P J P V F 17 V V V P 5 V V P ' 14 V F F P V V F V 1 P V P V V V V P VP F P F J 4 F P P V V 2 Z P 1 20 P 2 FF ( 07 3 P 1 P P 54 V P F 30 V P P V J Q P V V V V V J V 14 V PV V P P F - 2 P V V V JFF F V P FF F X V P Z V 27 P F V 1 ( Z P V X P 1 FV V ( 5 V 1 J FF P P 1 1 V F P ( 24 1 P F P 30 V V P 1 F 1 P ( P 03 P V P P 045 ( P J 1 P F 1 2 V F 24 P F P V J P 13 P V V F V P V F P P Q P F V P J P FF P V 1 F 21 V P 00 ( 2 X P 21 FF 22 PPP 3 19 V 4 ( 032 P P J V F F 20 V V F V V V 0 3 V V J F V 0 P P P 1 V P V ( V P P 20 F ( J V P F P P V V V V 27 X P - 4 P 20 V V 24 P 1 V V P P V V F P V V V P 9 P V J F V V V V F 14 1 P 7 V V 5 5 ' J P P P J V V P P F F F 1 ity of Fitchburg, assachusetts F - 1 P, Z P 2 F 4 ugust 1, : 1 = 1,000 F 2 iles Prepared by: he ity of Fitchburg assachusetts,astewater, ngineer uthor: kdupont Path: P:\ \\ aps\onsent ecree\201-0 emi nnual eport\fitchburg_nfrastructure_apmxd