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HomeMy WebLinkAbout12.a. Receive update on Asset Management Program Page 1 of 11 Item 12.a. ,ek CENTRAL SAN SANITARYCENTRAL CONTRA COSTA , . June 4, 2020 TO: HONORABLE BOARD OF DIRECTORS FROM: NITIN GOEL, SENIOR ENGINEER REVIEWED BY: DANEA GEMMELL, PLANNING AND DEVELOPMENT SERVICES DIVISION MANAGER JEAN-MARC PETIT, DIRECTOR OF ENGINEERING AND TECHNICAL SERVICES ROGER S. BAILEY, GENERAL MANAGER SUBJECT: RECEIVE UPDATE ON THE ASSET MANAGEMENT PROGRAM The attached presentation submitted at the Engineering and Operations Committee meeting on March 17, 2020, lists some of the Asset Management Program accomplishments in 2019 to optimize lifecycle of assets, which would not be possible without the collaboration and innovation from Maintenance, Collection System Operations, Engineering, and Operations. Strategic Plan Tie-In GOAL FIVE: Maintain a Reliable Infrastructure Strategy 1 - Manage assets optimally throughout their lifecycle ATTACHMENTS: 1. Presentation June 4, 2020 Regular Board Meeting Agenda Packet- Page 397 of 449 - 7 7 �r - _ Item 12.a. (Updated) AsSET MANAGEMENT AccomPLISHMENTS Nitin Goel i Senior Engineer Special Projects and Asset Management Group Board Meeting June 4, 2020 ta- mmul � CENTRABAN— AGENDA Board Policy for Asset Management • Asset Management Program Namber 9P°,z Centra!Contra Costa ASSETNANAGENENT Sanitary District Number:BP 075 Page 2 of 2 Authority.Board of Directors People Effective:November 20,2014 Background and Status Keilon November3,ine9 The District will implement education,training.and m Renewed.. m,a gamem practices are widely communicated,undo initiating Dept.fDiv.'.Engineering!Planning&D Pelopmsei OLICY the organization. BOARD POLICY Ozganaation The Dietnet will establish organizational responsibility to asset management program, ASSET MANAGEMENT • Asset Management Tools PURPOSE The purpose of this Board Policy is to recognize that the District Steam and Aeration Blow er has invested significant resources in its assets, and • aims to optimize the lifecycle of these assets to deliver high quality and reliable services in a sustainable manner for customers with an acceptable level of risk. Systems Renovations, District set s 1artC the following directives related to asset management: Data anti Knawledga The Distctwill maintain a comprehensive asset register tnfacilttate management cvertha Project 7349 (Steam Project) assets lltecyde. Irrfanntatlon Syaeenm The Disinct will make capital sad ongoing irmeatment.suff hint to own,operate,and maintain a reliable and state-of-the-art seounty-protected information management system that supports timely,evidence-based decision making at all levels of the organiza5on. Procaesos and Practices The Distad will develop processes,procedures and practices for stair in support of this Polley using industry accepted guidelines and praefices to provide consistency across the organization, v{NTS1L .:E"f 2 CENTRAL i CENTRAL SAN HAS A GEOGRAPHIC INFORMATION SYSTEM (GIS) CENTRIC ASSET MANAGEMENT ECOSYSTEM lr&Works 1CM InfoMasWe Cityworks DYNAC Hydraulic Capacity Risk Model Asset Maintenance Plant Control Model Prioritized Capital Plan Management System(SCADA) I I I I Y esri En ArcGIS terprise SUNGARD° Data Automation Geodatabases and Map Services Enterprise � — — — — CCTV Inspection/ Resource Planning Geocortex Adobe Condition Assessment m •Permitting Web Mapping Applications ColdFusion Accounting Dynamic Reports,Spare Parts Purchasing/ Management Tool Warehouse I •Land Use Spare Parts ' DIG-SMART Management Too) Document USA Locating K Management F— Data flow Record Drawings A Completed Permits • Easement F — Web hyperlinks Documents Asset Management Documents • Land Development Information CENTRAL �AN STATUS OF ASSET MANAGEMENT IMPLEMENTATION PLAN ELEMENTS IDENTIFIED FOR CENTRAL SAN IN APRIL 2015 1 Asset Management Organization, Policies, and Key Strategies 2 Asset Register 3 Plant Maintenance Strategy ✓ 4 Business Process Mapping ✓ 5 Knowledge Management Strategy In Progress 6 Condition Assessments In Progress 7 Business Risk Exposure In Progress 8 Failure-Based Maintenance Strategies In Progress 9 Asset Valuations In Progress 10 Program and Project Management Standards In Progress 11 Asset Commissioning and Handover In Progress 12 Strategic Forecasting In Progress 13 Capital Improvement Program Business Case Evaluations V/ 14 Update Asset Management Plan In Progress 4 CENT• a ASSET MANAGEMENT TOOLS DEVELOPED IN 2019 TO OPTIMIZE LIFECYCLE OF ASSETS 8c DELIVER HIGH QUALITY & RELIABLE SERVICES WOULD NOT BE POSSIBLE WITHOUT THE COLLABORATION & INNOVATION FROM MAINTENANCE, CSO, ENGINEERING, 8c OPERATIONS Condition Assessment: Engineering 1Reliability Report n Pipeline Cleaning Collection System LSchedules Optimization Operations • ASSET Operations MANAGEMENT i Data Optimization to 3 F,� Streamline workflow Maintenance Aafk�ft�n EXAMPLE 1 : BACKGROUND FOR CONDITION ASSESSMENT - RELIABILITY ENGINEERING REPORT Sign In $Print In Central San Asset Registry, there Treatment Plant Asset Information are 5,600+ assets in Treatment Reliability Engineering(Treatment Plant Assets Only) Plant and Pumping Stations 0 Data Selection Please set at least one of the following criteria_ Process Sub Process System These assets are organized into All All All 70+ asset classes Asset Class Spare Asset Available 8 Spare Parts ConTgu retl All CM M S C i tywo r kso does not have a Preventive Maintenance(PM)WOs Configured 9 (Predictive Maintenance(PdM)VfOs Configured 9 (Reliability Analysis[RA)WOs functionality to see which assets T have preventative maintenance Show 1o�en,te, Search U PM PdM, 1 (PM) work order cycles • • Replace- Spare Spare Work Work RA .......... Legacy ment Sub Asset Asset Parts Orders Orders Work ID C.O.F. POF ARE Cost Process Process System Class Available Contigured Conn guretl Configured Orders Grinder 1 1 1 $15,999 Primary Headworks Intluenf Grinder mme Also, did not have a way to view all EleentE Treatment Screening O O O O O assets within a specific process Grinder 8 5 49 $15,999 Primary Headworks vent Grinder Element F Treatment Sc Screening O Is O O O 19999 HOB 1 3 3 $3,999,999 Buildings Headquarters Structures Building ' Office Bldg © fl ® O O 19910 1 2 2 $359,999 Buildings Headquarters Elevator Elevator Passenger Office Bldg © © O O O Elevator 10920 1 2 2 $19 900 Buildings Headquarters Elevator Elevator � 7 r i EXAMPLE 1 : TOOL FOR CONDITION ASSESSMENT - RELIABILITY ENGINEERING REPORT To access the tool, go to the Treatment Plant Portal 0 Data Selection A7 Tool classifies assets in a process hierarchy to make Pro a set at one of the following criteria Process Sub Process System searching, querying, and analyzing assets faster Primary Treatment i Headworks Influent Pumping Abilityto see spare assets and spare parts Asset Class Spare Asset Available 0 Spare Parts Configured 0 Pump Abilityto filter and sort by process, asset class Preventive Maintenance(PM]WOs Configured 0 Predictive Maintenance[PdM]WOs Configured 0 Reliability Analysis[RA)WOs 0 Perform Risk Analysis by viewing Consequence of Failure (COF) Show io R entries Seam: Probability of Failure (POF) i PM PdM it it Replace- Spare Spare Work Work RA Business Risk Exposure (BRE) ratings Legacy merit Sub Asset Asset Parts Orders Orders Warr 10 COF POF BRE Cost Process Process System Class Available Configured Configured Configured Orders The C O F, P O F, and BRE ratings will be 25010 2 6 ,2 $2,D°° Primary Headworks Influent Pump Sump Treatment Pumping © O O O O continually updated based on asset-based Pnmp1 -Infl ❑rywell condition assessments 25020 2 6 12 $2,000 Primary Headworks Influent Pump Sump Treatment Pumping © o O O O Ability to see which assets have preventative and Pump -Infl predictive work order cycles Drywall 25110 10 1 10 $300,001 Primary Headworks Influent PumpInfluent © O i O O Ability to view which assets have predictive maintenance Pump1 Treatment Primping (e.g. vibration analysis and temperature analysis) work 25210 10 ° 60 $100,000 Primary Headworks Influent Pump Influent Treatment Pumping © O © O O order cycles and which assets have a maintenance Pump2 25310 10 2 20 $100,000 Primary Headworks InfluentPump program assessment (e.g. root cause analysis and Influent Treatment Pnmping p O O 0 O Reliability Centered Maintenance (RCM)) 5"7 CENTRALSAN EXAMPLE 1 : CONDITION ASSESSMENT = RELIABILITY ENGINEERING REPORT BENEF-0- Asset Sign In $Print Tool assists Maintenance Division to maximize Maintenance Information Preventive Maintenance Program for Asseti 5201 Legacyld:25110 Influent Pump 1 the useful life of Treatment Plant and Pumping Station assets The table below will likely only reflect Preventive Maintenance(PM)work orders that are triggered by calendar-based cycles(eg:every n months or n years). PM work orders that are triggered by runtime hour readings from the Dynac SCADA system generally will not be shown.However,if a recent runtime hour reading passed a configured e e C C C C e 1 threshold value(egg n hours)and automatically created a new PM work order(and that work order has not yet been completed and closed),that work order will be shown_ To o I assists in filtering assets b\/ process/sub Show 1D - entries Search'. process/system, asset class, availability of 1. Requested CornSafetye spare assets, availability of spare parts, Status oar By description Instructions Comments WO? preventive and/or predictive maintenance 37979 575 INITIATED 1010812029 VA PM Intl Pump Motor Anti- Inspect condition of motor [PM ID anti-rotation device.[PID# NO Rotation 5 Year 1449,1451,1452,1453,1454] 471991 INITIATED 1210612020 Ti Co-Op PM Influent Pump 1 year Perform PM per procedure.we are no longer measuring Wear NO programs, and whether a reliability analysis 1400 Ring Gap,so wetwell does not need to be drained_ 469920 INITIATED 09/20/2020 WA PM Inf Pump Motors Multilin 1-YR PM-("RIME 80')MULTILIN RELAYS ON PUMPS 1-5 NO was performed 1542 Relays Instrum_1 Year (1!22!14formerly pm id 969) 447355 INITIATED 02/20/2020 WA PM Inf Pump Seal H2O 1 Year Calibrate Influent Pumps'seal water law flow switches_[PM ID ND Reduces maintenance cost 1200 #068] 476119 INITIATED 0210212020 WA PM Influent Pump 500 Hour "W'Perform maintenance per attachment'RUNTIME' No 0005 474590 INITIATED 0110712020 WA PM Influent Pump 500 Hour "W'Perform maintenance per attachment_'RUNTIME' NO Improves employee safety 0005 Showing 1 to 6 of 6 entries First Previous Next Last Extends remaining useful life of the assets 8 CENTRALSAN EXAMPLE 2 : BACKGROUND FOR OPTIMIZING PIPELINE CLEANING SCHEDULE CSO had over 20,000 cleaning work orders in 2018 ' y N Previous method of using Excel spreadsheets f4+J and forms for organizing and scheduling 1°+1l.Z°19 m cleaning was a time-consuming effort 0 o. 0 Cleaning schedule and location were unevenly w CD distributed _ . • 3 0 • X20 For example: some months have more cleaning footage scheduled than other months Cleaning locations were not optimized by w location and were not synched on frequency cleaning intervals 9 CENT• a EXAMPLE 2 : TOOL TO GROUP PIPELINE CLEANING SCHEDULES BY LOCATION Web GIS application enables CSO CSO Cleaning Optimization staff to view cleaning based on Layers = x schedule frequency intervals and by FF schedule © Filter CSO Cleanin Frequencies location 9 2 _. 1 Month-Hydroflush e r �' Int rEc 2 ,Month-Rodding Ability to click on each pipe to view ++ ry- ' h �y ` 7 1 Grove nalter'F `, custom Asset Maintenance - 2Month-Hydroflush > "111JJJLt ',,r:� 1 , Ftu' 2 Month-Rodding > + Information Report to get insight on + -• 3 Month-Hydroflush > 4 - how much cleaning is scheduled YJ _ 3Month-Rodding > y i each ,- month 2 - 6Month-Hydroflush 11 - 6Month-Rodding > � �, -,Or Ability to project out seven years + _. 12Month-Hydroflush � YA` JT aM rtirA + — 12 Month-Rodding 7 Ability for staff to schedule mains (or i +. _. 24 Month-Hydroflush > - groups of mains) to manage 2 — 24 Month-Rodding > distribution of schedules by month 2 _. 36Month-Hydroflush > Asset . • - - • • Central 2 — 36 Month-Rodding > San staff to schedulepipes cleaning - 2 _. 48 Month-Hydroflush > _ on location . • • optimize • - - w timeI Xr' Lot 37.89244°N• ® T Layers Default WKID:4759 Lat/Long♦ Lon:122.09700°W 0 0.2 OA.1 I _y,. Bureau of Land Mana0emo 10 CENT• a EXAMPLE 2 : OPTIMIZATION PIPELINE CLEANING SCHEDULE BENEFITS Ability to project out seven years Asset Maintenance Information Gravity Main Preventative Maintenance Projected Footages More effective utilization of staff time NumberofMonths toProjeot{upto84]: 12 Update Reduced vehicle wear-and-tear Month Hydro Shop Rodding Shop October 2019 157,395 176,516 au 9e ---------------- ---------;--- ------- --------------------------------- ------- -------- ------ ----- Reduced costs & reduced impact on _____ _______ ________ ________ ________ Novemher2019 173,195 190,987 rvo� 9a ,-------�------------------ ----- ------;--------.--- � s thepublic Decemher2019 154,773 156,930 oe� 9e ;--------+-------- ----------------+--------+------- ----- January 2020 169,869 147.261 za = ---------------- -------- ----- r------- --------=-------- ------- --------------------------- February ------ ------- -------- February 2020 160,251 156,038 Feb 20 --------------- - ------ -------- ----- --------- --------------------------- ------- ------- ----- March 2020 180,511 216.470 rmar za ----------------- ------------ --------•-- -- ------- --------=--------=-------- ----- April 2020 255,458 196,907 Apr'2a- ----------------------------------- -------`---- ---------- -------- ------- -------- ------- --------- May - -----May 2020 165,196 207.328 May'2o --------L------ -- -------- ----------------I------ -------- -------------------------------------------- June 2020 216,500 206,935 J..'ZD I ; ------ `-------_-- --------------------------- -------- July 2020 -------July2020 215,740 147.523 Jul 20 --------------- --- ---`------- ----------------- -------- August 2020 198,034 180,201 Aug'20 September 2020 182,578 184.400 Sep'20= -=---- = ------I--------=------- 910k 7501, 960k 7701, 9801, 1901, 2001, 2701, 2201, 2301, 2401, 2671, 201, ■Hydro ■Rodding 11 CENT• a EXAMPLE 3 : PRESSURE RELIEF AND WYE DEMOTION PROCESS BACKGROUND 2478 PEBBLE Prior to this effort, sewer BEACH L00P 2485 PEBBLE 5�° gravity mains pipes were BEACH LOOP segmented by pressure /LE°TI°N°FNR oPTGRE reliefs and wyes as DETERMINED IN FIELO 24?2 P EB BLE a PL-T M FD EG OOP _ BEACH LOOP MCN IN R04WM PSR \ CE ROU4Rf 3'-R"MIN p0A0WF Y��°PE 90NCRETE -T-F- _ °°�N defining structures in the OR ROnD SURF E. RE 8 cU READ (BEE OETnILI 243 PEBBLE 44C6 �NFR�E asset registry BEACH LOOP r 1°° v.c. a� TrvoNNG s 9 E F 3"Ci N q-451 ry GRREoExample: Pipe Segment inRTN2466 FEBBLE N to REND "BEACJ{€OQP EUMRREE faG� between M 2 0 and M 18 7 PEBBLE PGR RrvRaER, R ERERI _ TY, .CH LOOP �a 1� SECTION WHERE a*Y.C. RESER l$LJ5E° ORCONCRsEnRTLEIL BE 2643 PEBBLE 2469 CHERRY wTrvBLnOsCittw D There is a Pressure BEACH LOOP HILLS DR corv � INTMIA ­RETE Relief (PR) 19 in— O 1Tbetween � COUNTRY I Previously, crew would NPTE1=fE°WL o NE inspect or clean in two MnINnE3FNR LL BE separate work orders m � NN�RTMRRfD EARTH M20 to PR19 was one FIFE REGDING work order and P R 19 to M18 was a seco 12 EXAMPLE 3 : PRESSURE RELIEF AND WYE DEMOTION PROCESS PROCEDURE BEFORE: M20/PR19 PR19/M18 M20 PR19 M18 AFTER: M20/M18 M20 PR19 M18 rf r'k', _ X titi 13 CENTRALSAN sir JG r: EXAMPLE 3 : PRESSURE RELIEF AND WYE DEMOTION PROCESS BENEFITS set Combined over 2,000 pressure relief pipe FFaaSiityID:"C6-M2aaa sMeslnformation segments and related work orders Cityworks Work Orders Show/ 1d , entries Search: Combined over 500 wy e-related pipe Facility ID No. Status Data IF Crew Description!Tool Result Comments 4406-M20144C6-M18 469440 INITIATED 0510112020 NIA PM Hydrosaw segments and related work orders 4406 M20/44C6 M 1 8 451593 CLOSED 1/19/2019 Rosen,Michael PM Hydrosaw/Hytlro Roots(1-Light) 1150 AM Saw(6) 44C6-M20144C6-M18 433975 CLOSED 05/18/2019 9:45 Crowe,Jason PM Hydrosaw l Hydro Fats,Oils,Grease(1- AM Saw(6) Light) Enhanced GIS data structure 4406-M20/44C6-M18 416242 CLOSED 11/13120182:10 Nwansi3Oman PM Hydrosaw/Hydro Roots(1-Light) Manhews M- -13-1e1114AM PM saw(6) r Combined with workOrders-416245 44C6-M2014406-PR19 416245 CANCEL 1110112018 NIA PM Hydrosaw M-lmews,Mi" 0'=11811:14AM Streamlined the cleaning and inspection -Combined 1.workOrder-416242 44C6-PR19/44C6-M18 399236 CLOSED 05110/2018 Anderson, PM Hydrosaw/Hydro Other Debris(1- process 11:15 AM Justin Saw(6) Light) 44C6-M20/44C6-PR19 399239 CLOSED 05110/2018 Anderson, PM Hydrosaw/Hydro Other Debris(1- 10:30 AM Justin Saw(6) Light) Resulted i n the elimination of unintended 4406 PR19/44C6 M18 382762 CLOSED 11/27(2017 900 Walus,Andrew PM Hydrosaw 1 Hydro Roots(1-Light) AM Saw(6) 44C6-M20144C6-PR19 382765 CLOSED 11127120178:40 Walus,Andrew PM Hydrosaw l Hydro Roots(1-Light) duplication of cleaning efforts AM Saw(6) 4406-M20/4406-PR19 363594 CLOSED 05/17!20175:35 Harbaugh, PM Hydrosaw!Hydro Roots(1-Light) PM Anthony Saw(6) Showing 1 to 10 of 13 entries First Previous 2 Next Last Decreased the number of work orders cleaning and inspection crews need to open CM14 CENTRALSAN Detailed Condition Confirm Identify STEAM PROJECT SCOPE , MAJOR WORKSHOPS, & BUDGET Assessments Capacities & Alternatives (Workshop Dat Design Crite (Workshop Month — 01.14.20) (Workshop Month — September 2020) June 2020) I Technical Peer Confirm Project Review and evelop Lifecycle Cost & Project Selection of Be Costs for Proceeds to Alternatives Alternatives) (Workshop Month — Pre-Design (Workshop Month — September 2020) September 2020) CENTRALSAN STEAM PROJECT OVERALL OBJECTIVES As apart condition art of the Steam Pro STEAM PRO)ECT PHASE I:ASSESSINGTHECON DITION0F p j THE STEAM&AERATION SYSTEM gyNtinGoefandM charfCvmdrSf am assessment performance testing business he Treatment systems Plants steam andi � � eradan systems are essential, terconnected—and aging.As case evaluations, and pre-design will be cftheSteam Project Phase I,staff spearheaded a challenging mndixEon assessment effort to estimate the remaining useful performed to address the following objectives. Department has tee,andaeratcnsystem — equipment.Overthe past year,the Englneerirsg oeQarxmen2 has been coilahoredngwlth Operadons and Malmenanm as_11;s s engineering consuitamstoperfcrmthe �,-i' assessment. Optimizing the life cycle cost of steam and With somanyent is,howdldwe ataand uchhas , 77 be ehdillgapymainoverdo upgraded and has be en dlllgemty maintained,upgraded,andlor secondary process asset reviewourd by ataff Thus,he d stepwas to review our records original drawings,work orderhlstory Qmevemative maintenance, failures,ecce,oP,W zatlonfrapadty studies, andtesdngreports. Employee safety Nrscanc as AI.spetimis and plant for somevisual inspections andtesting. Visually Irapa:t)n8the deaeratar(an lmportanf part ofthesteamsysteno) To minimize the impact on opeudws,th e assessment team cmrdinatedwith the annual remaining useful life,Improvement options for current equipment, preventative maintenance werk(many thanks toOperad ons and and more.Eve rall,this was a big flrst step for the steam Project. Maintenance for maid ng this possible].We used what are called Therewill he additional major]nspecdons to complete in toxo. Reliability Of operation 'son-destructive"methods tocomplete testing on th a boilers In the However,the project is largely tmnsidoning to phase d,whk1will s.f3dscom1ft,. 'gbuilding andon the steam piping,all owing us to evaluate opdons to help improve safety and velli llty e'Z anw putequi pment im mediately backInto s erviw after testing."'mom easeofoperation,extend the useful hie afequlpmem,and reduce advanced method called guided uluasonlcwavelength was used operating com.%e results ofthe assessment will further help us onafewsegrnentstoinspectaoofeetofsteampiping. develop lifecycle costs for evaluating future akernatives,including Meeting current and future demands Ttus staff.dFdisstheahuit,withOd adingesuhate steamvs.electric-0riven Efovers. andCemral San stn{f m dis cuss the ns sults,inti udingestEmated Reliability of permit compliance --- f r;L.--- Reduction of operation and maintenance cost _�. StaJf(rmn Er441nealrg,Opemthsw,and Maintenan—ordinated VAakshaptadfsoasssvndfdnn ossessm..tr Wt,. egvipmentshutdowus for th—Widon mspmtwa, r- CENTRALSAN VARIOUS LEVELS OF CONDITION ASSESSMENTS WERE PERFORMED TO DETERMINE REMAINING USEFUL LIFE Condition . - can . - identified . each - - . Condition Assessments. Level 5 — Level 4 — Forensic Non- Testing ., Level 3 — Destructive Performance Testing Testing Level 2 — Visual Field Inspection Level 1 — Review of Age & - Expected Life 17Y CENTRALSAN AFTER COMPLETING VARIOUS LEVELS OF CONDITION ASSESSMENT, WEIGHTS ARE ASSIGNED TO VARIOUS LEVELS OF CONDITION ASSESSMENT THAT ARE USED FOR DETERMINING REMAINING USEFUL LIFE Assessment Aggregate Weight Aggregate Weight Aggregate Weight Aggregate Weight Leve I 1 - Review of Age and 15% 15% 15% 15% Expected Life Level 2 - Visual Field 85% 42.5% 42.5% 30% Inspection Level 3 - Performance Testing 42.5% 25% Level 4 - Non-Destructive 42.5% 30% Evaluation (NDE) Tota 1 100% 100% 100% 100% The assessment scores used a fixed value for Level 1 of 15%, and the weight of unperformed Levels 2-4 assessments were split evenly among the completed Levels 2-4 assessments. i.e. If no Level 3 was completed for an asset, the aggregate score for it was determined by multiplying the Level 1 score by 15%, the Level 2 score by 42.5% (30% + 25%/2), and the Level 4 score by 42.5% (30% + 25%/2). AK1811 CONDITION SCORES & WEIGHTS ARE UTILIZED FOR DETERMINING REMAINING USEFUL LIFE & INFORMING CAPITAL IMPROVEMENT PROGRAM Condition . Score • e • Installed in 1975. 1 -Age 5 0 15% • Estimated service life of 35 years. • Minor defects (serviceable). =" • Moderate accumulation of deposits. • Cycle chemist improvements Y chemistry p 2 -visual 2 26 42.5% recommended to minimize corrosion and scale build-up. Ilk • Boiler would benefit from chemical cleaning to remove deposits. 3- Performance Not performed at this Stage. Results of the Remote field testing WaneFieaBdler"' Zum O-Type Boiler shows all tubes tested have nominal Tes ed--Mud Drum Eni—ee 4 - NDE 1 35 42.5% V.-Mnd Dmm Plan seen Soot Blower Lanes wall thickness with no detectable COO,- . de radation000000000 000000000000000000 000000000000000000 00000000 g 000000000 000000000000000000 000000000000000000 00000000 000000000 000000000000000000 000000000000000000 00000000 NDE shows remaining useful life of 51 s� H 000000000 000000000000000000 000000000000000000 00000000 0 000000000 000000000000000000 000000000000000000 00000000 0 Aggregate 2.0 26 100% 100%, but the visual inspection s o,000000000 000000000000000000 000000000000000000 00000000 000000000 000000000000000000 0000000000001000000 000000C&tall t 000000000 000000000000,000000 000000000000000000 000000,00 indicated a need for minor maintenance 000000000 000000000000000000 000000000000000000 00000000 S 000000000 000000000000000000 000000000000000000 00000000 1 E 000000000 000000000000000000 000000000000000000 00000000 p as listed. 151 ,N' E E 000000000 000000000000000000 000000000000000000 00000000 A 000000000 000000000000000000 000000000000000000 00000000 w S 000000000 000000000000000000 000000000000000000 00000000 E • • life is / • • on • . T 000000000 000000000000000000 000000000000000000 00000000 S zo,tzo,s3 000000000 00000000000000000000000000000000000066666666 T 000000000 000000000000000000 000000000000000000 00000000 000000000 000000000000000000 000000000000000000 00000000 Consider minor corrective 24,1 29,53 d—Steel im • chemical • 538D Lim Oak A Suite C,Oakley,CA 94561 (925 f392-8189 Company CCCSO . QTY.1.212 Straight Tubes 7;M11-7E. QTY DESCRIPTIDN SYMBOL qry Plant:Martinez,G Matenal:SA-178A o p 1nz[ 1 IJ nit:Water Sewage Size:2'2.5'OD X.095'MW NewSlide 0 rvzltoox7 Date:Decemher21,7016 Analyst:Daniel Hutchison • Define assets Visual condition Maintenance history Request & review assessment of the asset review asset information Recording available data Condition assessment Establish criticality & photographs field work scoring system Noting observations Staff interviews • Develop condition Collection of samples Estimate remaining assessment plans (if applicable) service life Step 3: Engineering Step 1: Planning and Step 2: Inspection Analysis Initial Evaluation (3 Steps to Estimate Service Life) CENTRALSAN STEAM SYSTEM ASSETS THAT ARE EVALUATED PART OF STEAM PROJECT Scum Centrifuge System HotlWater Heater Exchanger Sampling System= Copolymer ♦ ■ boilerfeedwa#er and (to Boilers) blcwdim n sarnpl-ig te mical Feed S terns Condenser Electric - Cooling Water Blor Neat Reservoir (CW)Pumps Exchanger Potable Condt Deaerator i SCB Ho#Water 0 Water Heaters Makeup Water Storage TankCfxyrgeni HVAC CW Return Loo .--L. Scavengen p Waste Stream � -� Exchangers Anrn C Return C1N *----- Return N a Z Softeners ] ] Eleotric, :.1s=�1:�c+s<yr�}•y�-i acuum,HOMF,fWaPon East& IO i� �-ir-�r:f,-ts3,,�` = Condensate Return ndensate Return � 21 CENTRALSAN QUESTIONS ?m 22 sir JG r: BAN- CENTRAL