The URL can be used to link to this page

Home My WebLink About04. Review draft Position Paper to authorize the General Manager to execute a Professional Engineering Services Agreement with V.W. Housen and Associates with a cost ceiling of $780,000 for the preliminary design of the Pump Station Upgrades Project 4■ ..�_ Central Contra CostaSanitary District y- BOARD ODIRECTORS POSITION P �PSP Board Meeting Date: July 20, 2017 Subject: AUTHORiZE THE GENERAL MANAGER TO EXECUTE A PROFESSIONAL ENGINEERING SERVICES AGREEMENT WITH V.W. HOUSEN AND ASSOCIATES FOR DESIGN SERVICES UNDER THE PUMP STATION UPGRADES, DISTRICT PROJECT 8435 Submitted By. Initiating Dept.fDiv.. Amanda Schmidt —Associate Engineer Engineering and Technical Services/ Capital Projects REVIEWED AND RECOMMENDED FOR BOARD ACTION S. Mestetsky—Senior Engineer E. Lopez—Capital Projects Division Manager JM. Petit— Director of Engineering and Technical Services Roger S. Bailey General Manager ISSUE: Board of Directors authorization is required for the General Manager to execute a professional engineering services agreement in an amountreater than $100 000. g , BACKGROUND: In 2015, capital Projects initiated an evaluation of the Morag a and Orinda Crossroads Pumping stations at the request of Operations due to several deficiencies with the standby generator systems, electrical and instrumentation concerns and other equipment identified for near term replacement. The most impactful item identified was replacement of the 1 ,000-horse power Waukesha diesel (circa en ines 1959g ) at both stations. staff hired V. W. Housen and Associates (VWHA) to assist in the roject project and prepared a basis of design report with options to replace the engines and other station improvements. Concurrently, the Comprehensive Wastewater Master Plan identified several structural mechanical, electrical, and instrumentation improvements needed at the Martinez Fairview, Maltby, and Flush Kleen pumping stations. These stations have multiple' concerns, including reliability of existing equipment and infrastructure, corrosion, are prone to fl coding, and have some pumping capacity limitations. central San staff decided to package these stations with Mora a and Orinda crossroads to form one all-encompassing encompassing pumping station project, vwrhich has been included in the current Capital Improvements p p Budget titled Pump Station Upgrades Project, District Project 3435. In addition, staff sought a single engineering consultant to coordinate andre are the p p predesign work and continue final design services based on the recommendations provided, while focusing on the most critical elements identified in the1 ro'ect. p Page 1 of 4 POSITION PAPER Board Meeting Date: July 20, 2017 Subject: AUTHORIZE THE GENERAL MANAGER TO EXECUTE A PROFESSIONAL ENGINEERING SERVICES AGREEMENT WITH V.W. HOUSEN AND ASSOCIATES FOR DESIGN SERVICES UNDER THE PUMP STATION UPGRADES, DISTRICT PROJECT 8436 The improvements identified and included in this project are aimed at addressing the following drivers: * Providing long-term reliable wet weather pumping; 0 Provide firm pumping capacity at all pumping stations; 0 Replace and upgrade the emergency backup power systems; 0 Replace or rehabilitate the electrical, instrumentation, and controls at allpump stations; 0 Safety improvements and implementing recommendations from the Arc-Flash Study completed in 2015; 0 Equipment replacement (flow meters, variable frequency drives, automatic transfer switches, and others) 0 Replacing deteriorating piping, gates, valves, and structures and provide long-term corrosion protection; and 9 Providing resiliency from flooding. Central San staff prepared a Request for Proposals (RFP) and it was advertised from May 22, 2017 to June 19, 2017 on PlanetBids to select a professional engineering consultant to provide design serves for the project. The design services included arepreliminary services (up to 30% design) and detailed final design services (to 100%). Three proposals were received (Carollo Engineers, Inc., Stantec Consulting Services (MWH), and VWHA. Staff evaluated the proposals and interviewed the consultant teams. VWHA had the highest total score and is considered the best overall fit for the project. Staff recommends VWHA in association with HDR and ArcSine Engineering for the design of the Pump Station Upgrades project. The scope of work for the consultant agreement will include, but is not limited to, the following: An "all electric" evaluation for the Moraga and Orinda Crossroads Pump Stations that includes replacing the existing wet weather diesel driven engines at each station with electric variable speed pumping; An assessment for the six pump stations for corrosion, structural, electrical, instrumentation and controls; An assessment of the Concord Main Metering Station for corrosion, structural, electrical, instrumentation and controls; • A high-level evaluation to determine the scope of improvements and planning level construction cost to possibly eliminate the Fairview Pump Station; • An investigation of the six pump station sites to identify the flood risk potential based on existing conditions, proposed conditions, and sea level rise; Page 2 of 4 POSITION PAPER Board Meeting Date: July 20, 2017 subject: AUTHORIZE THE GENERAL MANAGER TO EXECUTE A PROFESSIONAL ENGINEERING SERVICES AGREEMENT WITH V.W. HOUSEN AND ASSOCIATES FOR DESIGN SERVICES UNDER THE PUMP STATION UPGRADES, DISTRICT PROJECT 8436 • Three-dimensional (3D) visualization of pump room and main electrical room at Moraga and Orinda Crossroads Pump Stations; • A preliminary level (30 percent) design for the upgrades required at Moraga and Orinda Crossroads Pump Stations; • A preliminary level (30 percent) design for the upgrades required at Maltby, Fairview, Martinez, and Flush Kleen Pump Stations; • A preliminary level (30 percent) design for the upgrades required at the Concord Main Metering Station; and • A preliminary design report that will include reliability and redundancy design criteria, planning-level construction cost estimates by station, a planning-level construction schedule, an implementation strategy including procurement considerations and project design package recommendations, phasing plan(s), and preliminary (30%) design drawings. ALTERNATIVE /CONSIDE RATIONS: An alternative would be not to package all the pump stations to be designed by one consultant and perform the projects individually with six separate contracts, which is not recommended. The goal of the predesign work is to finalize the scope of work, construction constraints, determine any special requirements, develop a realistic schedule, and cost estimates. In addition, this effort will determine how to package and sequence the construction phase. Final design is not be included in the VWHA agreement at this stage. Staff intends to negotiate a final design fee with VWHA after the predesign work is complete and provide an update and seek further approval of the design at a future Board Meeting. The budget for final design is planned for the project in Fiscal Year (FY) 2018-19. FINANCIAL IMPACTS: The VWHA predesign services is expected to reach $780,000. This project is included in the FY 2017-18 Capital Improvement Budget on page 131 with a total estimated FY 2017-18 budget of $850,000, including staff time. The total estimated project cost is $33,435,000, which includes $450,000 for planning (FY 2016-17)7 $2,596,000 for design (staff and consultant work in FY 2017-19), and $30,389,000 for construction (FY 2019-22). The agreement for VWHA may reach up to $2,300,000 if all the project elements are completed, which is 7.5 percent compared to the total estimated construction costs. COMMITTEE RECOMMENDATION: The Engineering and Operations Committee reviewed this project at the meeting on July 11, 2017, and XXXXX approval of the agreement. Page 3 of 4 POSITION PAPER Board Meeting Date: July 20, 2017 subject: AUTHORIZE THE GENERAL MANAGER TO EXECUTE A PROFESSIONAL ENGINEERING SERVICES AGREEMENT WITH V.W. HOUSEN AND ASSOCIATES FOR DESIGN SERVICES UNDER THE PUMP STATION UPGRADES, DISTRICT PROJECT 8436 RECOMMENDED BOARD ACTION: Authorize the General Manager to execute a Professional Engineering Services Agreement with V.W. Housen and Associates with a cost ceiling of $x'80,000 for the preliminary design of the Pump Station Upgrades, District Project 8436. Page 4 of 4 .r 4 iaw so. IVA Bra PUMP STATION UPGRADES Engineering and Operations Committee July 11, 2017 Amanda Schmidt,Associate Engineer Capital Projects Division 5 rr �dyia '■lam �~•� Presentation Agenda •� t .t Project Drivers & •" .,1. 4t lAralCantra CesK� W Sar tarpD11tr{rt Background FdIryIET!'f ivrnp318t ev) Project Scope and L.ltar Approach Iump St�tt#pA 141t sfrlm�Statlan o r i'�•.Kv:t � ' . ;,• RFP and consultant Selection Fluth Kle[n e•fF�IS+ 1rkt 1 Pump SlASlon Y Creri OtindaCcoswoWi Project Schedule Pump.= Qr'vi Project Budget 01=1 Ulm -� - 0 Recommendations 4 • n 1 1 - � �1 1 7/6/2(317 1 PROJECT DRIVERS AND BACKGROUND . - der PROJECT BACKGROUND } s rt i n ez ratnx,.�j ! sash 0 ) Ireatment larFlush PV �iJ1AR# K►IQei1 ` -10 0 t s hush UrH h 41. CI"i ssroada Moraga 2 7/6/2Ol7 PROJECT DRIVERS AGING AsSETS, RELIABILITY AND SUSTAINABILITY • Moraga and Orinda Crossroads pump stations Long-term reliable wet weather pumping concerns Need to replace and upgrade the emergency backup generators to power one dry weather pump • Major electrical, instrumentation, and controls replacement or rehabilitation at all pump stations Implement recommendations from the Arc-Flash Study completed in 2015 by Protective Relay Engineering Replace deteriorating piping, gates, valves, and provide long-term corrosion protection Resiliency from flooding Asset Conditions Technical memo prepared under CWMP *KL PROJECT BACKGROUND Moraga & Orinda Crossroads projects identified in last year's Capital Improvement Budget Completed Moraga & Orinda + Basis of Design Report by No r V.W. Housen & Associates Pump Stations 'doe 3 7/6/2017 PROJECT RISKS AND OBJECTIVES FACILITIES 0 CONCERNS Identified as High Risk * Master Plan Condition Assessment Needs a District Operation and Maintenance Staff • Maltby Pump Station 0 Aging Assets,including Electrical/I&C 0 Fairview Pump Station 0 Unreliable Pumping Capacity • Martinez Pump Station, 0 Corrosion • Flush-Kleen Pump Station 0 Ground Settlement • Concord Main Metering Vault Flooding(external and internal) Provide Reliable Pumping Capacity Increase Overall Reliability Extend Useful Life Improve Resiliency PUMP STATION CAPACITIES Firm Capacity Pump Motor Station (mgd) Horsepower Martinez 12.24 3-75 HP Fairview 13.16 3-100 HP Maltby 15.12 3-100 HP Orinda Crossroads 24.77 3-150 HP Flush Kleen 1.47 2—15 HP 4 7/6/ZOl7 PUMP STATION HISTORY OVERVIEW Pump Station Year Last Major Major Work Completed since Constructed Renovation Original Construction Martinez 1969 1996 New building, pumps,piping, electrical equipment Fa i rview 1969 1999* New pumps,added bypass piping Maltby 1969 1999* New pumps,added bypass piping Moraga 1959 2001 Replacement of dry weather pumps, and associated Electrical/I&C Orinda Replacement of dry weather pumps, Crossroads 1959 2001 and associated Electrical/I&C,surge tank Flush Kleen 1950 1984 Electrical/I&C,Valve Vault,new FM and Gravity Sewer IMM 77 MARTINEz AREA PUMP STATIONS Facilities deliver all wastewater flow from Martinez and are critical Maltby facilities (daisy chain) Maltby and Fairview PS need work: • O&M access no • Drywell show signs of corrosion • Potential wet weather capacity pal issues Treatniet ` 5 7/6/2017 MARTINEZ P Main Ps in Martinez Major Concerns: Corrasion concerns a ` Protection from a flooding Electrical and controls panels z � w X41 ; + I FAIRVIEW PS • Fart of the three Martine PS • Major Concerns: Electrical; instrumentation and •. controls improvements and upgrades w g Very tight site s Replace flow meters Replace electrical switchgear Outdated automatic transfer switch c Corrasion issues of metal cans Difficult access Redundancy: All three pumps operating during winter 2017AVA wet weather * � Consider eliminating ? ' 7/6/2017 MALTBY PS • Largest of the three Martinez stations • Major Concerns: Very tight site Electrical, instrumentation and controls improvements and upgrades Replace flow meters Replace electrical switchgear , Outdated automatic transfer switch Corrosion issues of metal cans ' Difficult access `x Redundancy: All three pumps operating during winter 2017 wet weather 0. . 0. io. MORAGAmORINDA PUMP Facilities deliver majority of wastewater flows from Orinda FEusn and Moraga are and are critical Kleen facilities (daisy chain for Orinda Crossroads) -601nda Mora ga and Orinda Crossroads Crossroads PS need work: Electrical upgrades NRvraga r i Instrumentations and controls Standby power evaluation Wet weather pumps: Pumping capacity All electric option yri 7 7/6/2017 MORAGA * Major PS: Second Largest PS for Central San Major Concerns: 4 Located in residential neighborhood near school Diesel engines on wet weather ° Pumps �- Consider wet weather pump replacement? � Electrical, instrumentation and controls improvements and y upgrades - . Existing electrical equipment issues(overheating) Evaluate back-up power Evaluate installation of mechanized grinders(currently manual cleaning) ORINDA ROSS O AD P toil Largest PS for Central San Major Concerns: owl Very tight site Located in very busy commercial area in orinda Diesel Engines on wet weather Pumps Consider wet weather pump replacements Electrical, instrumentation and controls improvements and upgrades Existing electrical equipment issues (overheating) Evaluate back-up power Evaluate replacement of mechanized grinders 8 7/6/2017 WAUKESHA DIESEL ENGINES AT MORAGA AND ORINDA CROSSROADS PS . Original installation icu • DiffIt to obtain � parts and perform rep a i rs s , ° , �.. FLUSH V i oldest PS in our System (1950) • Mayor concerns. , Electrical, instrumentation and controls improvements and upgrades r Replace standby y p Y P ower generator r 4 ` 9 7/6/2017 CONCORD METERING • This flow meter , measures 80% of city of concord Flows • Rece V&A study .... recommended . . .. replacement 1 • corrosion iz sk 2 i PROJECT SCOPE AND APPROACH 16 f 10 7/6/ZO17 ALL=ENCOM PASSING PROJECT Project packages the Martinez Area PS with Moraga and Orinda Crossroads to form one all- encompassing pumping station project Bring PS stations to predesign level (30% complete) Complete predesign (all electric option) for Moraga Orinda Crossroads Detailed project costs Station construction constraints, scheduling alternatives, bidding recommendations Single engineering consultant to prepare the predesign work and continue final design services &LIZ: MAJOR SCOPE OF WORK For every station,scope includes a a hydraulic analysis to first understand the requirements for reliable pumping of buildout PWWFs A corrosion, electrical, instrumentation &controls assessment A high-level evaluation to determine the scope of improvements and planning level construction cost to eliminate the Fairview Pump Station Flood risk analysis of the six pump station sites, including protection/sea level rise and flooding due to mechanical failure inside the stations An all electric evaluation for the Moraga and'Orinda Crossroads Pump Stations 3D/BlM visualization of pump room and main electrical room at Moraga and Orinda Crossroads Pump Stations. A preliminary level (30 percent)design to identify upgrades required at Maltby, Fairview, Martinez, and Flush Kleen Pump Stations A preliminary level (30 percent)design to identify upgrades required at Martinez Pump Stations A preliminary level (30 percent) design to identify upgrades required at the Concord Main Metering Construction sequencing and constraints A. IL 1� 7/6/2017 "ALL ELECTRIC" WET WEATHER PUMP ALTERNATIVES INCLUDE: C Y•y Reuse of Existing Morris Pump k Casings with Smaller Impellers and New 650 and 700 HP Horizontal Electric Motors Least Cost Alternative Install New Dry Pit Submersible Electric Pumps -x, Provides Increased Resiliency - Moraga Pump Station 30 Visualization PROTECTION SURGE * Provided for dry weather electric pumps Diesel engines have significant inertia to prevent rapid ; NZ : shutdown, which reduces surpotential r k surge p Under the "All Electric option, the forcemains a may require additional surge protection .� '01 1 F 12 7/6/2Ol7 "ALL ELECTRIC" OPTION Requires broader scope 4. of electrical work than "Keep Engine" option New PG&E service VFDs for wet weather pumps Larger standby generators Byfirst understanding the reliable pumping requirement,sizes and costs of electrical service,motor control,and standby power can be right sized UNDER "ALL ELECTRIC" OPTION, STANDBY POWER is REQUIRED FOR ONE WET WEATHER PUMP + AUXILIARY LOADS 700 kW 650 M Preferred Standby Ii. Generator Location Potential Generator ocations otenfial Alternate Locations Smaller than Anticipated Wet Weather Pump Horsepower Could Result in Smaller Generators that May Fit in Existing RadiatorlGenerotor Enclosures 13 14 7/6/2017 CORROSION PROTECTION e Central San has experienced corrosion- Pump Discharge related failures Piping at Project approach includes: Martinez Field investigations and ultrasonic thickness -Wol Wealher Pump testing Suction Piping at Moraga Determination of cause of coating and and Orinda Crossroads corrosion failures Evaluation of existing cathodic protection systems and installation of temporary systems to determine current demand Recommendations and cost for repair/replacement Recommendations to prevent future corrosion and provide long-term protection Dtywell Pimp Cans at Project opprocich will not only design repair and replace deteriorated facilities, Maltby and Fairview but will determine the cause to provide long-term corrosion protection FLOOD PROTECTION/ ;�� SEA LEVEL RISE Pump Flooding Potential at Site $64 Level flits Station (P fo]a c I a d Walt r Sirlato Efeyaltoi NAYD Sol FEMA FEMA"01*6 00 +50 *100 Flood Yeats Yost* Yeats Hazaid 2066 1rr %Ivr*z AE Wthe t(*yew 60-A plant[1w ptad"0(r 11 5 126 lea Z"AE a K0 r6k Vda Nat*W nXd Ingo V4*ftraln) NO he.t wl"MW Plan V%i7ob"01 YW A li 5 126 166 bro A.Hgh cask uVv N arcnal Food Ins V"Fto7 W�) _7 7am X AW-W4 to 14 y#N&M p4M(I%ft0b9ftF 0(ko6rq ih" it 5 Ia IE6 yw.Zvo AE v Kqh 60 v4v Nates f"ftv&YA Wsda of F EJUA Nod W"ior,* Year.Zav AE■No dst v4v Wcfuil Nod k4vww 4. 414 WtW I*yw lloodpian(I%ptcb@bMya(ftxdrqrmyyw sh"k0"W&q)*0*ftot 1-3 lWoldol3h) J—PrLia wed r, 15 7/6/2017 CONSTRUCTION SEQUENCING AND CONSTRAINTS Detailed sequencing and constraints will be included in contract 43 documents to: LOWER ORINDA PLIMP STATION Minimize risk to the RE NOVAT ION PROJ EC T District Keep facilities operational Avoid change orders USE OF BIM 3D DESIGN BIM/3D advantages: * Visualize improvements * Optimize tight spaces/clash detection Convey information to stakeholders Construct 3D/BIM models for drawing production BIM13D Visualization of Wet Weather..Dry Pit Submersible Pumps at Morago Pump Station 16 7/6/2017 3m RFP ANS CONSULTANT SELECTION J� r ti SELECTION PROCESS RFP � -Tr '+trrs..„arr�ry- �, � € •Selected advertised on i ■Pre-Proposal •Received •Interviewed VWHA with PlanetBids Meetings and PS threeHDR and with three tours for interested proposals teams ArcSine Eng. parties { •�1 7 i .l 17 7/6/2617 THREE PROPOSALs RECEIVED .. Consultant Carollo EngineJDH {Corrosion} ConsultingStantec - Lee and Ro(Electrical) Inc. (MWH) • V&A(Corrosion) ,� . es HDR R (Carrvsion) • ArcSine Engineering(Electrical) • Northwest Hydraulic Consultants (Surge Analysis) AM Design Services for Pump Station Upgrades Selected plected VWHAA �a;att:cii+rq c:sR'Sti A Tea n Ynr)itnorr and Tru sl,w1h rr71r1!(AFU1:.7t !^ pin"" or YQUr Purn,4 vitruru 4 a I r L MMd 4. PROJECT 6. 1 tr 18 7/6/2017 OVERALL PROJECT SCHEDULE AnticipatedActivity Date Request for Proposals from Consultants Issued May 22,2017 Consultant Notice to Proceed August 1, 2017 Preliminary Design Complete January 2015 Final Design Complete December 2010 Anticipated Bid January 2020 Construction(Preliminary) March 2020 to June 2022 CURRENT TASK SCHEDULE f i1► It+iwir�! &""I ,�+.nlrr,100 0.46n" — 1Fr.,-.i.?')'0 0.. 7G„ 1.ti"7�M. ? + k ti JO . tl t0 It 4 If y i3 I i 1A 3) 1+ . Il 14 a1 r 10 yI 14 h h#i.iM Ih:rf CIY� � 11Ar1+ %ULf-,q IF.!i 1a Fal 3 y i'4a1+44Y1,�ik#W I Afi f k.tr ctrl.••, A Nap M.6%"Nvr 4'.1 i ow j 4Yt� 7 Fie+��aM O+irl�Crs#woa�'At 1k«}r.t`C*I p r Iwak+.+#l*" fM 4.sr.I raM.sfea#r.1�.i'1•hf - t�. �!! r0-0 De kqm 1! RrFsti+�I.-�4'*.S,l.sl��r.rr 1lJ tr.r ass"IR.efi.�E1j.p titrrr.o - FV' 'aIa req 1V; �;r,}�/`�+;y��F-y*A�I#.�'�S1}111K1.i"e4{��.tM hl►1µ'•Nv..P �+� �� y I l i.r.,'W A6w%.�t:Vx}j+n era!A4rMa anl'W#A*-wt. E31< lalr�Fli� '+vd- 0ft0-s..v4Van v4dsrT .awnAwnaPr-41P2 Al.1 wV Jofrer rULyra r...}IA.r rkr•ry"a.ti-. - _ [!� kALw dw rral'sNyw _ 0. 01800100. E��' sFlkyr�.ea �w 4A*"F+ak h.&,w+}Nvp A I iw*411ariY,d,IPP w1wIliftw+060..14.w.t+...1 !•.a Nat-rr p 06W fl0:rr Iwr'••.r.,•# { t w#r,.r! s '41f*t ICVJ.fr„wr[a..*. ,,,• dee rR',...�.1 +,Madre"!lYrF+►�c 19 7/6/2017 5. PROJECT BUDGET PROJECT BUDGET FOR DP 8436 • Fiscal Year 2017-18 Capital Improvement Budget total estimated budget of $850,000 (page 131 of budget). VWHA predesign services $780,000. Remaining budget for staff Total estimated project cost is $33,435,000 �c 20 7/6/2017 6. RECOMMENDATIONS RECOMMENDED BOARD ACTIONS • Staff recommends that the Board authorize the General Manager to execute a professional consulting services agreement for $780,000 with V.W. Housen and Associates (VWHA) for the Pump Station Upgrades Project, District Project 8436. 21 7/s/zov QUESTIONS AND COMMENTS 1 22