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Home My WebLink About4223 +--------------------------------------------------------------------------+ +Enter Search Criteria, Press Esc Key to Transmit + +press Del Key to Terminate Delete Mode + + CHANGE Contract Transactions + + Contract Number 4223 + + + +Vendor Name CAMP DRESSER & MCKEE INC + +Subject WW COMP PLAN/WESTSIDE CSO TREATMENT PLAN + +Department ENGINEERING + +Status Code PRO + + Amount $778414.00 + + Begin Date 10/31/2001 + + Insurance End Date 04/30/2005 + + Type Amount Review Date 02/15/2007 + + AL $1000000.00 + + GL $2000000.00 + + E&O $3000000.00 + + Insurance Total $6000000.00 + + Insurance Review Date 01/01/2006 + + + + Comments E&O EXPIRES 1/1/04 MODIFICATION #1-3/03 #2-1/04 #3-2/05 + + VAULT 01/01/2007 + + + +--------------------------------------------------------------------------+ ~ =0 t'l'j'Z 1-31-3 ~~ t'l'j~ t'l'j1-3 ~'Zs= ~1-30 8=0 "Cl ~ ~ O~~ "'l~~ ~1-3> ~~1-3 "'l0~ s=~0 t':I='Z ~~> !r::~ =t'l'jt'l'j ~~s= Ot'l'j Zz >1-3 Zz ~O . w "'tl ::t1 o c... t""j n ~ .. ~ ~ ~ .... ~ ~ ~ .... ~ "'t n o 53 "C:l "'t ~ =- ~ = ~ :;:. ~ "'tl - ~ = e "C:l c:l,. ~ .... ~ n o 2: rJ1 e t"'" ~ ~ ~ n ~ .g ~ "'t ~ ~ ~ ~ "'t ~ ~ ~ ~ ~~ I-( = ~ ~ = c:l,. n ~ == "C:l ~ > ~ trj ~ ~ = = ~ "'t ~ N .r N o o lJI ~>~~ "'t~~= ~~r",1-( ~~~rJ1 ~trj~n ~~~O ~trj..,2: ~2:~;6 ~~::> I-( -~ n ~!;~~ . ~;:..~ o _ ~ .;;", = -;: 0 o Q~. ~ ~=~I-( ........Ioo...~ 0"'t..l:1-( O"~~n ~:;;:> ~~~~ - ~ I-( ~~~o c...._~ o~~,,",- _ "'t l"""" ~ oc:l,. 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(\) ~ ~ (\) ~ -0 ~ '? ,..P ..... l::r 0..... 0 ~ ~ (\)~u~..:a '7 ~ '-' ,s:; %' t<S ~ ~ oil 0 oil ~ g ~..... ..... ~ ~ .,...; ~ 5 fJ) 0 '$1 o ..... -o~~~'-' "' '7 '-' '@ (\) ..... .~ <f) ro. ~ o 4-'~~($~ ~ ~ ..... (:l:$ ;;; (\) (\) '" o 0 ~ fJ) ofl~ a '" ~ .,...; ,.... 0 (\) t-' e ~ ~ ~ ~ -% Q~ 'b ~ ~ e Q;:dQ~~ c.. .:a o (\) p. ~ P.- U 0 p~,-,_e ~ (/') U r-< 0 p....... +--------------------------------------------------------------------------+ +Enter Search Criteria, Press Esc Key to Transmit .. ~Press Del Key to Terminate Delete Mode .. .. CHANGE Contract Transactions .. .. Contract Number 4223 .. .. .. : :Vendor Name CAMP DRESSER & MCKEE INC .. "Subject WW COMP PLAN/WESTSIDE CSO TREATMENT PLAN .. , 'Department ENGINEERING .. ','Status Code PRO .. :,I~ Amount $764586.00 " .. Begin Date 10/31/2001 " .. Insurance End Date 05/01/2004 " .. Type Amount Review Date 02/15/2006 " .. AL $1000000.00 .. .. GL $2000000.00 .. .. E&O $3000000.00 .. .. Insurance Total $ 6000000.00 " .. Insurance Review Date 01/01/2005 " .. .. .. Comments E&O EXPIRES 1/1/04 CONTRACT MODIFICATION #1 3/03 .. .. #2 1/04 VAULT 01/01/2006 .. .. of +--------------------------------------------------------------------------+ CONTRACT MODIFICATION AGREEMENT NO.2 BETWEEN THE CITY OF BREMERTON AND Camp Dresser McKee, Ine. PROJECT: Wastewater Comorehensive Plan Uodate and Westside CSO Treatment Facilitv CONSULTANT: Camp Dresser McKee DATE: December 30,2003 THIS CONTRACT MODIFlCATION AGREEMENT SPECIFICALLY AMENDS THE WASTEWATER COMPREHENSIVE PLAN UPDATE AND WESTSIDE CSO TREATMENT FACILITY PLAN AGREEMENT (the "Contract") entered into between the City of Bremerton and Camp Dresser McKee on December 30, 2003 on Contract Number 570. All provisions in the Contract shall remain in full force and effect except as expressly modified by this document. For valuable consideration and by mutual consent of the parties, the modifications to the Contract are as follows: L Section L Scooe , is modified as follows: L Scope is hereby amended, as shown in Exhibit "A," to adjust for the required work performed and to be performed beyond the previously agreed scope. Section II. Term . is modified as follows: The Consultant shall complete the work described in this Contract Modification Agreement by May 1, 2004. Section m Comoensation , is modified as follows: The original contract amount was Four Hundred One Thousand Five Hundred Eighty Six Dollars ($401,586). The current contract amount, including all previous amendments is Six Hundred Fifty One Thousand Five Hundred Eighty Six Dollars ($651,586). The City shall pay the Consultant for the additional work described above, based on time and materials, an amount not to exceed One Hundred Thirteen Thousand Dollars ($113,000) for a total amended contract amount of Seven Hundred Sixty Four Thousand Five Hundred Eighty Six Dollars ($764,586), including this Contract Modification. II. Consultant accepts all requirements of this Contract Modification by endoning below. Consultant further agrees that this Contract Modification constitutes full and final settlement CONTRACI' MODIFICATION 1 Project Number: 58238 to date of ail of the Consultant's claims for contract time and for all costs of any kind, including without limitation, costs of delays related to any work either covered or affected by this Contract Modification, claims related to on-site or home office overhead, or lost profits. This Contract Modification does not limit the City's right to bring a claim for past performance. The undersigned consultant approves the foregoing Contract Modifiration as to the changes, if any, in the contract price specified for each item, including any and all supervision costs and other miscellaneous costs relating to the change in work, and as to the extension of time allowed, if any, for completion of the entire work due to said Contract Modification. This document will become a supplement of the contract and all provisions will apply hereto. It is understood that this Contract Modification shall be effective when approved by the City of Bremerton. The parties whose names appear below warrant that they are authorized to enter into a contract modification that is binding on the parties of this contract. In addition, Consultant warrants that it has or will inform the surety of this ch~mge, and shall take appropriate action to modify any bonds required under the contract to address this change. IN WITNESS WHEREOF, the parties have executed this Contract Modification on the day and year first written a ve. Public Wm4cs Director approved to process t ~ ~-~¢'CONSULTANT' ;~TUE~ C O RTON o D^'m: /- 7 0 NOTICES TO BE SENT TO: NOTICES TO BE SENT TO: Mr. John Poppe Wastewater Division Manager 3027 Olympus Drive Bremerton, WA 98310 (360) 473-2322 R:~LEOAL~,ontrac~PUBLIC WORKS\Can~p Dresser Cantract Modification 2.doc CONTILACT MODIFICATION 2 Project Number: 58238 +Browse: Next Previous First Last Update Delete Restart X - Exit + +Retrieve the Next record + +Found: 10 Record(s) MAINTAIN Contract Transactions + + Contract Nun~ber 4223 + + + +Vendor Name CAMP DRESSER & MCKEE INC + +Subject WW COMP PLAN/WESTSIDE CSO TREATMENT PLAN + +Department ENGINEERING + +Status Code PRO + + Amount $401586.00 + + Begin Date 10/31/2001 + + Insurance End Date 12/31/2002 + + Type Amount Review Date 05/01/2003 + + AL $1000000.00 + + GL $2000000.00 + + E&O $3000000.00 + + Insurance Total $6000000.00 + + Insurance Review Date 03/01/2003 + + + + Comments E&O EXPIRES 1/1/03 + + EXTEND 1 YR PER PAUL LUCAS 3/2003 + + + SUPPLEMENTAL AGREEMENT NO. 1 Project No.: Agency: City of Bremerton Name of Project: Westside CSO Treatment Facility Plan (WWTP Upgrade) City Contract No.: 570 The City of Bremerton (City) and Camp Dresser & McKee Inc. (CDM) desire to supplement the standard Professional Services Agreement executed on October 8, 2001 and identified as City Contract No. 570 (Agreement). All provisions in the Agreement remain in effect except as expressly modified by this Supplemental Agreement as follows: I. Scope is hereby amended, as shown in Exhibit "A", to adjust the scope of work to incorporate final design services. II. Term is herby amended to provide for a termination date of June 30, 3003. III Compensation is hereby amended, as shown in Exhibit "B", to increase total fees under this agreement from Four Hundred One Thousand Five Hundred Eighty Six Dollars ($401,586) by Two Hundred Fifty Thousand Dollars ($250,000) to a not-to-exceed amount of Six Hundred Fifty One Thousand Five Hundred Eighty Six Dollars ($651,586) including Ten Thousand Dollars ($10,000) Budget for Additional Services subject to prior authorization by the CITY. The amounts for individual tasks may vary provided the total is within the not-to-exceed amount of this Agreement. Concurrence with this Supplemental Agreement to the changes as stated above is indicated by signature below. Charles H. Bol[o~', Sr. Vice President Cary Bozen~/n, Mayor DEP T~j~PPROVAL W. Eugen~ Sample~.F.~.~~ Director of Public Works & Utilities ~.~ Att{ s~~ ~[~Ka~een ~I~7,'-City Clerk Exhibit A Scope of Work for Design Exhibit A SCOPE OF WORK For Westside WWTP Wet -Weather Facilities - Final Design OBJECTIVES The objective of this contract is to facilitate the final design (Phase 2) of the Westside Wastewater Treatment Plant Wet -Weather Facilities. The new facilities will treat wet - weather flow utilizing flow metering, screening, high rate clarification, chemical facilities, chlorine contact chamber, and effluent pumping discharging through the existing outfall. The facility design will be based upon the proposed alternative (Alternative 2) developed in the Facility Plan (February 2002) for this project and on the design of the Eastside CSO Treatment Facility (Eastside Facility). Design documents will include provisions for: · Connection to the existing plant influent line, location provided by the City, · Flow control and diversion to the new parallel treatment train including influent flow metering, · New headworks facilities for the parallel treatment train with the new solids removal facilities. A new fine side overflow influent screen will be utilized to remove solids. Headworks will be as at the Eastside Facility. · A new Actiflo high rate clarification (HRC) system by US Filter / Kruger utilizing the design and capacity of the Eastside Facility. · Chemical feed facilities for the HRC system located in a pre-engineered fabricated metal building adjacent to the old headworks structure. Chemical building and chemical feed systems will be identical to the design of the Eastside Facility. · Recycle pump room identical to the pump room provided on the East Side. · A new 20 MGD chlorine contact chamber located next to the existing chlorine contact chambers. · New effluent flow metering and sampling · New effluent pump station and connection to the "on-site manhole" · Interconnecting piping between the new process basins · New 500 KW, 12.5 KVA standby emergency power generators to operate the entire treatment facility including the existing treatment plant · Connections to the existing odor control facility, connection location provided by the City. · Connections to the existing sludge handling facilities, connection location provided by the City. · Connections to the existing electrical system · Connections to the existing sanitary and potable water systems, connection location provided by the City Exhibit A February 19, 2002 Exhibit A Scope of Work for Design · Site grading, paving and drainage. The scope of the work includes development of design criteria, adapting plans and specifications developed for the Eastside Facility, and assistance during construction. The principal project deliverables are as follows: · Updated Work Plan · Predesign Technical Memorandum, based upon the technical memorandum developed for the East Side · 100% Procurement Documents for the City's use in pre-purchasing the High Rate Clarification System, the influent screen, and the effluent, engine-driven pump. · 50% and 90% Plans and Specifications · Biddable Plans and Specifications The scope of work includes the following major tasks: Phase 2 · Development of design criteria · Limited investigation of existing exposed conditions · Development of biddable documents PHASE 2 - FINAL DESIGN The Phase 2 Scope of Work does not, at this time, include: · Site surveying · Landscaping design · Locating of existing or abandoned utilities, pipelines, connection points, and structures Design of or specification of connection of the new facilities control system with the existing plant control system · Design of or specification of demolition or relocation of existing structures, pipelines, and utilities, · Design of or specification of new metering pumps for the existing sodium hypochlorite system or dechlorination system · Deviations from the design intent or function of the Eastside Facility and the proposed Alternative 2 in the Facility Plan · Design of modifications to any existing facilities located off the main treatment plant site including outfall diffuser and manholes. · Operations and Maintenance Manual · SCADA Configuration · Design of relocation of existing electrical junction vault and wire feeders just east of the existing chlorine contact chambers at the location of the proposed new chlorine contact chamber Exhibit A February 19, 2002 Exhibit A Scope of Work for Design · Archeological construction oversight, if required The City will be responsible for the following: · Providing updated electronic and hardcopy drawings of the "As-Built" Eastside Treatment Facility · Identifying, demolishing or relocating existing and abandoned structures, utilities, and pipelines in the area of the new facitilies as shown in Exhibit F (proposed general site plan). · Connecting new sodium hypochlorite and dechlorination piping to existing chemical storage and feed systems. Contract shall provide pipe connection for chlorine inside the Hypochlorite storage building and pipe connection for dechlorination inside the dechlorination building. · Satisfying the EPA on any requirements necessary to allow the City to sole source Actiflo as the HRC system supplier · Connection of the new facilities control system (identical in hardware and software to the system for the Eastside Facility) to the existing plant control system. · Providing the assistance of knowledgeable plant personnel for any necessary site investigations including geotechnical and electrical · Timely and complete response to all project deliverables to allow Contractor to address all comments on each deliverable at one time · Locating (including coordinates and elevations) all existing structures, pipelines, and utilities in the area of the work as shown in Exhibit F or as necessary for the Contractor's design of the new facilities. This includes identification of and location of connection points of the new facilities to the existing facilties. · Providing the Contractor with capacity and operating point information (current and available) for all existing mechanical equipment interfacing with the new facilities and required for the design of the new facilities. This scope of work is based upon the following design assumptions: · Design of the facilities will be based upon alternative 2 of the Facility Plan (Exhibit F) · Design of the facilities will be based upon the "as-built" Eastside Facility. Eastside Facility"as-built" drawings and specifications will be used for the new facility design to the greatest extent possible (Exhibit G) · Design concepts including type, brand, function, form, aesthetics will be identical to the Eastside Facility and will not be reviewed during the course of the project pre-design. This includes the use ora new headworks facility not incorporated into existing old or new headworks, use ora stand-alone Mien-Bradley type SCADA control system not connected to the City's system, size, type, number, brand of all equipment. · New treatment facilities will be used on a very limited basis. Therefore automatic features including automatic cleaning systems, and sample pumps other than Exhibit A February 19, 2002 Exhibit A Scope of Work for Design automatic features required for system operation and included in the Eastside Facility Design will not be required where manual systems may be used. · Drawings and specifications will use performance type requirements to the greatest extent possible. This includes using notes on the drawings, equipment schedules, and performance specifications in lieu of detail drawings. Task 2.1.0 Project Management This task includes updating the existing project work plan, tracking and reporting project schedule and costs and quality assurance / quality control. Deliverables: Updated Project Work Plan: Existing project work plan for Facility Plan and Comprehensive Plan will be updated with the following information: Updated contacts list, updated project schedule, new scope, new project costs and job tracking numbers, design drawing and specification standards. One new hardcopy will be provided for the City Monthly progress reports delivered with the monthly invoice including progress made, upcoming work, schedule and cost updates. Monthly progress reports will be I - 2 pages in length. The schedule of deliverables is shown in Exhibit D. The Contractor will update the schedule with each monthly progress report during the design phase. Task 2.2.0 Pre-Design Project Pre-design will include, where necessary, revision of technical memorandum developed for the Eastside Facility pre-design for specific design criteria for each discipline and all processes for City input prior to the commencement of final design of the project. Task 2.2.1 Site Investigations A one day site visit will be made by the Contractor's representative to identify existing conditions and items required to be located by the City. Deliverables: A list of items to be identified and located by the City for development of final design documents. Information required by the City will include existing equipment coordinates and elevations and size, brand, and capacity. The City will provide access to the site, a knowledgeable City employee as required to identify existing conditions and operations and will provide locations requested within 2 weeks of request. Exhibit A February 19, 2002 Exhibit A Scope of Work tbr Design Task 2.2.2 Geotechnical Investigation The purpose of the proposed geotechnical study is to evaluate the subsurface conditions at the site and, based on conditions encountered, provide recommendations pertaining to geotechnical aspects of the new facilities. The Contractor will address these issues by conducting a geotechnical investigation that includes the following items: · Collect and review readily available geotechnical and geologic data for the existing site to gain an overview of project conditions and to aid in identifying any geotechnical factors that might have an impact on the proposed improvements. The City will provide all available existing information. Perform a site reconnaissance to observe the existing facilities and site layout. · Plan and prepare the field exploration program, coordinate the field activities with the project team, and request the appropriate utility clearances. · Conduct a subsurface investigation to provide information relative to soil, groundwater, and other geologic conditions in the vicinity of the new facilities. The Contractor anticipates performing four exploratory borings to maximum depths of 30 feet at the location of the new facilities. Two of these borings will be completed as pipe piezometers, to enable future measurement of groundwater levels. Borings will be monitored and logged under the full time observation of an Engineer or Geoligist. Soil samples from the borings will be obtained at selected intervals. The Contractor assumes the boring locations can be accessed using conventional truck-mounted equipment. · Conduct field and laboratory testing in general accordance with appropriate American Society for Testing Materials (ASTM) standards, including Standard Penetration Testing (SPT) and determination of natural moisture content and dry density, grain size distribution, Atterberg Limits, and direct shear strength characteristics. · Using an outside laboratory, test selected soil samples to evaluate corrosion of site soils anticipated to be in contact with below-grade structural elements. Tests completed may include laboratory pH, resistivity, sulfate or chloride content. · Perform engineering analysis and evaluation of data derived from the subsurface investigation and laboratory-testing program, with respect to the items listed under the paragraph below. · Prepare a technical memorandum containing the results of the geotechnical investigation, including descriptions of surface and subsurface conditions, and a site plan showing borehole locations and other pertinent features. Summary boring logs, charts and graphs indicating field and laboratory test results will also be included. The results of the engineering evaluation and geotechnical engineering recommendations pertaining to the following items will be presented: c> Presence and effect of existing fill and or other existing compressible soils o Site preparation and remedial grading, if required © Type, depth, allowable bearing capacities, bearing elevations, and anticipated settlements of appropriate foundation elements o Seismic design parameters for use with UBC or similar methodology Exhibit A February 19, 2002 Exhibit A Scope of Work for Design © Stability and recommended maximum inclination of cut slopes and temporary excavations during construction Design and construction recommendations for temporary shoring and dewatering o General excavation characteristics of site soils and suitability of on-site soils for use as trench and structure backfill Pipe and below -grade structure bedding and backfill requirements Lateral earth pressures for use in design of the proposed below grade structures Corrosion potential of on-site soils anticipated to be in contact with the proposed below-grade structures o Subgrade soil preparation and pavement section thickness recommendations for driveway o General drainage and groundwater considerations, including geotechnical parameters for use in design against hydrostatic uplift, if necessary · Respond to comments on the draft technical memorandum and provide a final technical memorandum Provide consulation during final design with respect to geotechnical issues, and review geotechnical aspects of project plans and specifications. Deliverables: The Contractor shall provide drilling logs, laboratory testing of selected samples, geologic hazard evaluation, assessment of corrosion potential, draft and final engineering analysis technical memorandum. Task 2.2.3 Pre-design Technical Memorandum The Contractor will build upon the Facility Plan and the Eastside Facility Technical Memorandum to develop technical memorandum and final design criteria for the project. The Pre-design technical memorandum will be provided to the City for review prior to the Pre-design Workshop (Task 2.4) and will be the basis of the discussion. Because technical memorandum will be based upon work already reviewed and excepted by the City, comments provided by the City will be discussed at the pre-design workshop and incorporated into the design documents where necessary for the function of the facilities but the technical memorandum will not be updated. Comments requesting deviation from the design concepts including type, model, size will not be incorporated. Deliverables: Prior to the workshop pre-design technical memorandum. Task 2.2.4 Pre-design Workshop The Contractor will host a one day workshop to address the design approach of the project. Key issues of discussion will be process block location, headworks approach, interfacing with the existing treatment plant and agreement on design criteria. The purpose of the meeting will be to make final decisions about the design concepts of the new facilities and to address any comments on the technical memorandum. Deliverables: Meeting minutes will be provided one week after the workshop. Exhibit A February 19, 2002 Exhibit A Scope of Work for Design Task 2.3.0 Detailed Design Detailed design of the facilities will be broken in to two components: · Development of Procurement Documents for the High Rate Clarification System, the influent screen, and the engine-driven pump all of which are anticipated to be long lead items. · Development of Stamped Plans and specifications for the treatment facilities and other necessary equipment. Task 2.3. l Procurement Documents The procurement documents will consist of specifications in CSI format including necessary Division 0 documents based upon CDM standard Division 0 documents and the Engineers' Joint Contract (EJC) Documents Committee and specifications for Division 1 General Requirements, the High Rate Clarification System (11200), chemical feed systems (11240), the influent screen (11330), and the engine-driven pump (11212). Documents will be developed in MS Word. The procurement documents will be based upon the Eastside Facility Treatment Facility Procurement Documents and final design specifications. Changes to design concept or contracting language including type, model, function, performance requirements will not be made to the documents. Changes will be made to incorporate addenda from the Eastside Facility procurement phase. The Contractor will assist the City in the procurement of the equipment. Assistance will include issuing one addenda and consulting with the City as to the acceptability of the received bids. The City will be responsible for issuing document sets to potential suppliers. Deliverables: Two bound hard copies and one unbound reproducible copy of the procurement documents. One electronic copy. Task 2.3.2 Treatment Facility Design Documents The Contractor will prepare construction documents, drawings and specifications for the facilities described in the Facility Plan Proposed Alternative 2 and in the preliminary sheet list Exhibit D. Plans shall be prepared in AutoCAD Version 2002. Specifications will be developed in MS Word. Specifications and Drawings will be identical to specifications and drawings for the Eastside Facility except for the following: · Drawings will be based upon the "as-built" drawings provided by the City for the Eastside Facility. · The UV system and other equipment not required will be removed. · Additional specifications and drawings will be added only for items not provided at the Eastside FacilityTreatment Facility. Exhibit A February 19, 2002 Exhibit A Scope of Work for Design · The operations building will be removed. Drawings will be only as detailed as required to bid and construct the new facilities. General Drawings: General drawings such as process design criteria, process flow schematic, hydraulic profile and others as shown in Exhibit D will pertain to the new treatment facilities only and will not include information other than connections points about the main treatment facilities. For instance the process design criteria will not have criteria for any of the existing facilities but only for the new facilities being added. Civil Drawings: Civil drawings will be based upon the electronic backgrounds provided by the City for the design drawings produced by RW Beck except for specific location information provided by the City in the course of the design. Drawings will show only the areas affected by the contract. Site plans will not attempt to show all pipelines and utilities on the existing facilities but only those interfacing with the new system. Drawings providing details of temporary underpinning, sheeting, shoring for protection of existing structures will not be provided. Structural Drawings: Structural drawings will be based upon the drawings produced for the Eastside Facility. Mechanical Drawings: Mechanical drawings will be based upon the drawings produced for the Eastside Facility and will include building mechanical as well as process mechanical equipment. Electrical Drawings: Electrical drawings will be based upon the drawings produced for the Eastside Facility to the greatest extent possible. Drawings will incorporate information provided by the City and identified during the site investigation for existing conditions. Instrumentation Drawings: Instrumentation drawings will be identical to the Eastside Facility except that the UV system drawings will be removed and the chlorine contactor drawings will be added. Deliverables: Two bound hard copies and one unbound reproducible copy of the 50 percent plans and specification for City Review. Two bound hard copies and one unbound reproducible copy of the 90 percent plans and specifications for city review. Two bound hard copies and one unbound reproducible copy of the 100 percent plans and specifications for City and Ecology review stamped and signed by a Professional Engineer. One set of full size reproducible stamped drawings and specifications ready for bidding and one set of the project disks. The City will provide written comments on each submittal within 1 week of the submittal date. Written comments will be discussed with the City. Comments with technical merit will be incorporated. Comments requesting deviation from the design concepts set forth in the Eastside Facility Design, the pre-design technical memorandum, and the pre-design Exhibit A February 19, 2002 Exhibit A Scope of Work for Design workshop, including type, model, size will not be incorporated. Comments which do not affect the bidability or technical function of the documents will not be incorporated. Task 2.3.3 Bidding The Contractor will assist the City in advertising, obtaining and evaluation bids for the construction contract. The services will include: · Attend pre-bid conference · Assist in issuing one addenda · Consult with the City as to the acceptability of subcontractors and suppliers The City will provide documents and collect document deposits, produce meeting minutes, and track plan holders and issue addenda. Exhibit A February 19, 2002 Exhibit B Fee Schedule for Professional Services - Amendment No. 1 Westside Wet - Weather Facilities Final Design Project I.D. No. Task Amount PHASE 2 - Final Design Project Controls (Task 2.1.0) $ 37,000 Pre-Design (Task 2.2.0) $ 30,000 Design (Task 2.3.0) $183,000 Total Phase 2 $250~000 Exhbit D - Drawing List 02/11/02 Exhibit D - Drawing List Drawing Number Drawing Name General G-1 Cover sheet, drawing list, vicinty map G-2 General Legend, Notes and Abbreviations G~3 Process Design Criteria G-4 Process Flow Schematic G-5 Hydraulic Profile Civil C-1 Civil Notes, Legend, abbreviations C-2 Site Plan C-3 Utilities Plan C-4 Site Grading, Paving, and Drainage Plan C-5 Yard Piping Plan C-6 Yard Piping Profiles C-7 Civil Details C-8 Civil Details C-9 Civil Standard Details I C-10 Civil Standard Details II Structural S-1 Structural Notes, Legends, and Abbreviations S-2 Chemical Building Foundation S-3 Prefabricated Chemical Building Plan and Sections S-4 Headworks and HRC Foundation S-5 Headworks and HRC Roof Plan S-6 Headworks and HRC Sections S-7 Chlorine Contact Chamber Foundation Plan S-8 Chlorine Contact Chamber Sections S-9 Structural Standard Details S-10 Structural Standard Details Process Mechanical M-1 Mechanical Notes, Legends, and Abbreviations M-2 Chemical Buiding Plan M-3 Chemical Building Sections M-4 Headworks and HRC Plan M-5 Headworks and HRC Plan M-6 Headworks and HRC Sections M-7 Odor Control M-8 Chlorine Contact Chamber Plan M-9 Chlorine Contact Chamber Sections M-10 Diesel Storage Plans and Sections M~I 1 Standard Mechanical Details M-12 Standard Mechanical Details M-13 Standard Mechanical Details Exhbit D - Drawing List 02/11/02 Electrical E-1 Electrical Notes, Legends, and Abbreviations E-2 Electrical Notes, Legends, and Abbreviations E-3 Electrical Site Plan E-4 Single Line Drawings E-5 Single Line Drawings E-6 Single Line Drawings E-7 MCC Elevations E-8 MCC Elevations E-9 Schematics E-10 Schematics E-11 Schematics E-12 Conduit Schedule E-13 Conduit Schedule E-14 Chemical Buiding Power Plan E-15 Chemical Building Lighting Plan E-16 Headworks and HRC Power Plan E-17 Headworks and HRC Lighting Plan E-18 Chlorine Contact Chamber Plan E-19 Standby / Emergency Power Plan E-20 Miscellaneous Electrical E-21 Electrical Standard Details E-22 Electrical Standard Details Instrumentation I-1 Instrumentation Notes, Legends, and Abbreviations I-2 Instrumentation Notes, Legends, and Abbreviations I-3 Control System Architecture 1-4 Headworks P&ID I-5 HRC P&ID I-6 Chemical System P&ID I-7 Chlorine Contact Chamber P&ID 1-8 Effluent Flow Meter & Pump P&ID I-9 Standby Emergency Power P&ID 1-10 Instrumentation Standard Details 2 EXHIBIT E TO SUPPLEMENTAL AGREEMENT NO. 1 BETWEEN CITY OF BREMERTON AND CAMP DRESSER & MCKEE, 1NC. FOR PROFESSIONAL SERVICES DURING BIDDING AND CONSTRUCTION DUTIES, RESPONSIBILITIES AND LIMITATIONS OF AUTHORITY OF THE RESIDENT PROJECT REPRESENTATIVE This is an Exhibit attached to, made a part of and incorporated by reference with the Supplemental Agreement No. 1 made on , 2001 between CITY OF BREMERTON (OWNER) and CAMP DRESSER & MCKEE, Inc. (ENGINEER) providing for professional engineering services. ENGINEER shall fumish a Resident Project Representative ("RPR"), assistants and other field staff to assist ENGINEER in observing progress and quality of the work of the Contractor. Through more extensive on-site observations of the work in progress and field checks of materials and equipment by the RPR and assistants, the ENGINEER shall endeavor to provide further protection for OWNER against defects and deficiencies in the work of Contractor. However, ENGINEER shall not, during such visits or as a result of such observations of Contractor's work in progress, supervise, direct, or have control over Contractor's work nor shall ENGINEER have authority over or responsibility for the means, methods, techniques, sequences or procedures selected by Contractor, for safety precautions and programs incident to the work of Contractor, for may failure of Contractor to comply with laws, rules, regulations, ordinances, codes or orders applicable to Contractor's performing and furnishing the work, or responsibility of construction for Contractor's failure to furnish and perform the Work in accordance with the Contract Documents. ~[he duties and responsibilities of the RPR are limited to those of ENGINEER in ENGINEER's agreement with the OWNER and in the construction Contract Documents, and are further limited and described as follows: A. General RPR is ENGINEER's agent at the site, will act as directed by and under the supervision of ENGINEER, and will confer with ENGINEER regarding RPR's actions. RPR's dealings in matters pertaining to the on-site work shall in general be with ENGINEER and Contractor, keeping OWNER advised as necessary. RPR's dealings with subcontractors shall only be ttucough or with the full knowledge and approval of Contractor. RPR shall generally communicate with OWNER with the knowledge of and under the direction of ENGINEER. B. Duties and Responsibilities of RPR 1. Schedules: Review the progress schedule, schedule of Shop Drawing submittals and schedule of values prepared by Contractor and consult with ENGINEER concerning acceptability. 2. Conferences and Meetings': Attend meetings with Contractor, such as preconstruction conferences, progress meetings, job conti:rences and other project-related meetings, and prepare and circulate copies of minutes thereo£ Pagc 1 Exhibit E 02/11/02 3. Liaison: a. Serve as ENGINEER's liaison with Contractor, working principally through Contractor's superinten- dent and assist in understanding the intent of Contract Documents; and assist ENGINEER in serving as OWNER's liaison with Contractor when Contractor's operations affect OWNER's on-site operations. b. Assist in obtaining fi'om OWNER additional details or infmxnation, when required for proper execution of the Work. 4. Shop DraMngs and Samples: a. Record date of receipt of Shop Drawings and Samples. b. Receive Samples which are furnished at the site by Contractor, and notify ENGINEER of availability of Samples for examination. c. Advise ENGINEER and Contractor of the commencement of any Work requiring a Shop Drawing or Sample if the submittal has not been approved by ENGINEER. 5. Review of Work, Rejection of Defective Work, btspections and Tests: a. Conduct on-site observations of the Work in progress to assist ENGINEER in determining if the Work is in general proceeding in accordance with the Contract Documents. b. Report to ENGINEER whenever RPR believes that any Work will not produce a completed Project that conforms generally to the Contract Documents or will prejudice the integrity of the design concept of the completed Project as a functioning whole as indicated in the Contract Documents, or has been damaged, or does not meet the requirements of any inspection, test or approval required to be made; and advise ENGINEER of Work that RPR believes should be corrected or rejected or should be uncovered for obselwation, or requires special testing, inspection or approval. c. Verify that tests, equipment and systems start-ups and operating and maintenance training are conducted in the presence of appropriate personnel, and that Contractor maintains adequate records thereof; and observe, record and report to ENGINEER appropriate details relative to the test procedures and start-ups. d. Accompany visiting inspectors representing public or other agencies having jurisdiction over the Project, record the results of these inspections and report to ENGINEER. 6. b~terpretation of Contruct Documents: ReporttoENGINEERwhenclarificationsandinterpretationsofthe Contract Documents are needed and transmit to Contractor clarifications and interpretations as issued by ENGINEER. 7. Modifications: Consider and evaluate Contractor's suggestions for modifications in Drawings or Specifications and report with RPR's recommendations to ENGINEER. Transmit to Contractor in writing decisions as issued by ENGINEER. Page 2 Exhibit E 02/I 1/02 8. Records: a. Maintain at the job site orderly files for correspondence, reports of job confhrences, Shop Drawings and Samples, reproductions of original Contract Documents including all Work Change , Addenda, Change Orders, Field Orders, additional Drawings issued subsequent to the execution of the Contract, ENGINEER's clarifications and interpretations of the Contract Documents, progress reports, Shop Drawing submittals received from and delivered to Contractor and other Project related documents. b. Prepare a daily report or keep a diary or log book, recording Contractor's hours on the job site, weather conditions, data relative to questions of Work Change Directives, Change Orders or changed conditions, list of job site visitors, daily activities, decisions, observations in general, and specific observations in more detail as in the case of observing test procedures; and send copies to ENGINEER. c. Record names, addresses and telephone numbers of all Contractors, subcontractors and major suppliers of materials and equipment. 9. Reports: a. Furnish to ENGINEER periodic reports as required of progress of the Work and of Contractor's compliance with the progress schedule and schedule of Shop Drawing and Sample submittals. b. Consult with ENGINEER in advance of scheduled major tests, inspections or start of important phases of the Work. c. Draft proposed Change Orders and Work Change Directives, obtaining backup material from Contractor and recommend to ENGINEER Change Orders, Work Change Directives, and Field Orders. d. Report immediately to ENGINEER and OWNER the occurrence of any accident. 10. Payment Requests: Review Applications for Payment with Contractor for compliance with the established procedure for their submission and forward with recommendations to ENGINEER, noting particularly the relationship of the payment requested to the schedule of values, Work completed and materials and equipment delivered at the site but not incorporated in the Work. I I. Certificates, Maintenance and Operation Manuals: During the course of the Work, verify tbat certificates, maintenance and operation manuals and other data required to be assembled and furnished by Contractor are applicable to the items actually installed and in accordance with the Contract Documents, and have this material delivered to ENGINEER for review and forwarding to OWNER prior to final payment for the Work. 12. Completion: a. Before ENGINEER issues a Certificate of Substantial Completion, submit to Contractor a list of observed items requiring completion or correction. b. Observe whether Contractor has had performed inspections required by laws, roles, regulations, ordinances, codes, or orders applicable to the work, including but not limited to those to be performed by public agencies having jurisdiction over the work. c. Conduct a final inspection in the company of ENGINEER, OWNER and Contractor and prepare a final list of items to be completed or corrected. Page 3 Exhibit E 02/I 1/02 d. Observe whether all items on final list have been completed or corrected and make recommendations to ENGINEER concerning acceptance and issuance of the Notice of Acceptability of the Work. C. Limitations of Authority by RPR Resident Project Representative: 1. Shall not authorize any deviation from the Contract Docunmnts or substitution of materials or equipment (including "or-equal" items), unless authorized by ENGINEER. 2. Shall not exceed limitations of ENGINEER's authority as set forth in the Agreement or the Contract Documents. 3. Shall not undertake any of the responsibilities of Contractor, Subcontractors, Suppliers, or Contractor's superintendent. 4. Shall not advise on, issue directions relative to or assume control over any aspect of the means, methods, techniques, sequences or procedures of construction unless such advice or directions are specifically required by the Contract Documents. 5. Shall not advise on, issue directions regarding or assume control over safety precautions and programs in connection with the Work. 6. Shall not accept Shop Drawing or Sample submittals from anyone other than Contractor. 7. Shall not authorize OWNER to occupy the Project in whole or in part. 8. Shall not participate in specialized field or laboratory tests or inspections conducted by others except as specifically authorized by ENGINEER. Page 4 Exhibit E 02,'11/02 Bremerton Facility Plan 5.2 Alternative 2 - Parallel Train with High Rate Clarification and Chlorine DisinfeCtion This alternative would entail the construction of a parallel treatment train to the WWTP designed to treat 20 MGD of wet-weather flow. In addition, plant infrastructure would be upgraded to support the new wet-weather facilities. The parallel treatment train would consist of the following major project elements: · Headworks: Inlet weir, flow control gate, flow metering, sampling, and fine screens located at the solids removal structure · Solids Removal: high-rate clarification unit · Chemical feed systems · Chlorine contact chamber · ?arshali flume for flow metering · 42~inch diameter conveyance piping · Effluent wet well engine driven pump · Standby / emergency power system · Connections to the existing odor control, sludge handling, chlorination, dechlorination, control, and electrical systems A process flow schematic for Alternative 2 is shown in Figure 10. A site plan for this alternative is shown in Figure 1. 5.2.1 Headworks Connection would be made to the existing plant influent piping just upstream of the existing old headworks tee. A new 36-inch diameter pipeline with a control valve would route raw water towards the new wet-weather facilities. Headworks for the parallel treatment train would consist of a small concrete basin including new flow metering and an overflow weir to provide the proper flow split between the wet- weather facilities and the main treatment plant. Automatic fine screens constructed in the overflow channel parallel to irffluent flow would remove large solids and deposit them in a storage bin for disposal. The headworks would be co~xnected to the existing odor control facilities. A new flow control valve would also be provided on the influent line to the existing new headworks. This valve would allow operations to direct flow to the wet-weather facilities. 59 I EXISTING I I SODIUM I I HYPOCHLORITE I I J TO EXISTING/i ~-~ ODOR CONTROL ~- COAGULANT SYSTEM I' ADDITION ~-NEW FLOW //CONTROL NEW FLOW 50 MGD 20 MGD METERING ~ CHLORINE HRC ~ CONTACT NEW I ' ] CHAMBER ~ SCREENING 20 MGD V I EXISTING I r I ~ HEADWORKS I I EXISTING I I I SODIUM I I I BISULFtTE I J L I ~ TO EXISTING o SOLIDS HANDLING :~ SYSTEM '3 I EXISTING I WASTEWATER ~ LOW HEAD TREATMENT · ~ PUMP STATION PLANT I OUTFALL TO SINCLAIR INLET CITY OF BREMERTON Figure No. 10 Alternotive 2 Process Flow Schemotic Bremer~on Facility Plan 5.2.2 Solids Removal Adjacent to the headworks would be a new HRC unit that would use either microsand or sludge as a ballast to form floc with a high specific gravity. The system would be the same that is being constructed at the City's East Side Treatment Facilities. The proposed unit would be designed to treat up to 20 MGD at a maximum overflow rate of 75 gpm/ft2 and installed in a cast-in-place concrete basin. General footprint dimensions of the HRC unit would be 18 feet wide by 44 feet long by 17 feet deep. 5.2.2.1 tIRC Relevant Design Parameters Design parameters for an HRC unit utilizing microsand as a ballast are shown in Table 5-1. An enhanced sludge HRC unit has similar design parameters. Table Microsand HRC Design Parameters Design Capacity Maximum Hydraulic Capacity, MGD 20 Process Trains, Number 1 Start-up, min 15 Injection Tank Design HRT at 20 MGD, rain 0.7 Number of Tanks per Train 1 Length, ft 8.5 Width, ft 8.5 Sidewater Depth, ft 13 Tank Depth, ft 16.5 Maturation Tank Design HRT at 20 MGD, min 2.0 Number of Tanks per Train 1 Length, ft 13.5 Width, ft 16 Sidewater Depth, ft 13 Tank Depth, ft 16.5 Settling Tank Design Rise Rate at 20 MGD, gpm/sf 75 Number of Tanks per Train 1 Length, ft 16 Width, ft 16 Sidewater Depth, ft 13 Tank Depth, ft 16.5 5.2.2.2 HRC Syste~n Equipment The HRC system will require the following equipment: · Mixer for the injection tank, 3 HP · Mixer for the maturation tank, 5 HP · Scrapper drive mechanism for the lamella settling area, 3 HP · 3 Sludge pumps (2 duty, 1 standby), 15 H? each · 3 hydrocyclones, capacity of 200 gpm each 60 Bremerton Facility Plan Approximately 45 kW would need to be supplied to power this equipment. Various hzfrasb'ucture improvements might be needed to support necessary lighting, water, data highways, and 120V outlets. 5.2.3 Chemical Feed System The chemical feed systems would consist of a concrete chemical containment area, a chemical storage tank, two chemical metering pumps, and electrical and control equipment. The building will have a concrete floor and be a pre-manufactured painted steel structure. The facility would be approximately 700 square feet and be located to the North of the old headworks building. The design criteria for the chemical systems associated with the HRC m~it are summarized in Table 5-2 and Table 5-3. Table 5-2 Polyaluminum Chloride System Design Information Design Criteria Unit Value -- Design Dose Minimum mg/I 15 Average mg/I 30 Maximum mg/I 55 Concentration Bulk Chemical percent 37 Neat Chemical Flowrate Minimum gph 3 Average gph 25 Maximum gph 75.5 Storage Requirements Type of Tank Vertical, cyrindrical, closed top Construction Material Fiberglass reinforced plastic (FRP) Number of Tanks Units 1 Storage Capacity (per tank) Gallon 4,400 Tank Height Feet 15 Tank Diameter Feet 7.5 Days Storage (ave dose & Days 7.3 flow) Days Storage (max dose & Days 2.4 flow) Metering Pumps Type Diaphragm positive displacement Number of Pumps Unit 2 (one duty, one standby) Minimum Capacity gph 3 Maximum Capacity gph 80 Turndown Requirements 25:1 Power Requirements HP 0.5 __ Drive Type SCR Controlled DC Electric Motor Note 1: Based on a microsand HRC system with minimum, average, and maximum plant flows of 2.5, 10, and 20 MGD 61 Breme~on Facility Plan Table 5-3 Polymer System Design Information Design Criteria Unit Value Minimum mg/I 0.5 Dose Average mg/I 1.0 Maximum mg/I 2.0 Concentration Bulk Chemical Percent 25 Diluted Chemical Percent 0.2 Dilution Water Flowrate Minimum gpm 0.5 Maximum gpm 12.5 Minimum gph 0.2 Neat Chemical Flowrate Average gph 1.6 Maximum gph 6.3 Tote Volume Gallons 250 No. of Totes Unit 2 Length x Width x Height Feet 4x4x4 Storage Requirements No. of days storage (Avg. dose, Ave flow) Days 13 No. of days storage (Max. dose, Max flow) Days 3.3 Type Mechanical Blending Unit Number of feeders unit 2 Polymer Feeders Minimum Capacity gph 0.2 Maximum Capacity gph 6.5 Turndown 32.5:1 Note 1: Based on a microsand HRC system with minimum, average, and maximum plant flows of 2.5, 10, and 20 MGD 5.2.3.1 Chemical Feed Syst~n Equip~nent Equipment required for the chemical systems associated with the HRC system is as follows: · Chemical metering pumps · Polymer mixer · Sump pump, 1 HP, 20 gpm · Potable water · Lighting · 120V outlets · Control panel · Sprinklers, smoke detectors, eyewash showers, and other required safety equipment 5.2.4 Chlorine Contact Chamber From the HRC unit, new 42-inch diameter piping would route wet-weather flows to a new chlorine contact chamber on the east side of the existing chlorine contact chamber. The chamber would be a concrete basin configured for serpentine flow with 62 Brernerfon Facility P/an the intluent and effluent piping leaving from the south end. The basin would be approximately 27 feet wide by 108 feet long by 20 feet deep. Liquid sodium hypochIorite would be added at the head of the chamber for chlorination and sodium bisulfite would be added at the end of the chamber for dechlorination. 5,2.4.1 Chorine Contact Chamber Relevant Design Parameters Design parameters for the chlorine contact chamber are displayed in Table 5-4. Table 5-4 Chlorine Contact Chamber Design Parameters Design Criteria Unit Value Design Flow Peak MGD 20 Chlodne Design Dose Minimum mg/I 3 (Treated as Secondary Effluent) Average mg/I 4 Peak mg/I 6 Number of Units EA 1 Volume, Each FP 37,136 Depth Ft 17 Flowpath Length Ft 312 Fiowpath Width Ft 7 Fiowpath, LAN Ratio Ratio 45:1 Detention time Peak Mtn 20 Hypochlorite Use Minimum lbs/day 250 (As Secondary Effluent) Average lbs/day 667 Peak lbs/day 1750 5.2.4.2 Chlorine Contact Cha~nber Equipment The hypochlorite disinfection system would require the following equipment: · Chlorine mixer, 7.5 HP · Hypochlorite and bisulfite metering pumps, installed in the existing chemical facilities · Chlorine scum pump, 10 HP · Residual chlorine sample pump, 1 HP Power requirements needed for the above equipment will be approximately 15 kW. Other infrastructure improvements may be necessary to handle lighting, data highways, and 120V outlets. 5.2.5 Parshall Flume At the exit end of the chlorine contact chamber, after dechlorination, a Parshall flume would be constructed to measure wet -weather facility flow. The Parshall flume would have a throat width of 2.5 feet and be capable of measuring flows up to 25 MGD to insure that it is not a hydraulic limitation to the we -weather facilities. Flows from the wet-weather facilities would be automatically monitored by the plant SCADA system. From the Parshall flume, treated water would be routed in a 42-inch diameter pipeline to an existing manhole for mixing with the main treatment plant effluent and discharge through the plant ouffall. 63 Bremerton Facility Plan 5.2.6 Hydraulic Improvements To provide the greatest flexibility and hydraulic capacity for the WWTP, the new treatment train would be built at the highest hydraulic gradeline possible. The new chlorine contact chamber effluent will be at an elevation of 152.2 feet. Downstream of the new Parshall flume a wet well will be provided. Flow from the main WWTP and the wet-weather facilities would flow to the wet well and be pumped out the existing outfall. The new pump would be a 300 HP engine-driven pump with a capacity of 50 · MGD at 25 feet of head. 5.2.7 Electrical Systems The new wet-weather facilities would be connected to the existing plant power system. This is the most cost-effective and reliable option. Power previously utilized by the existh~g old headworks facility would be used for the new facilities. In accordance with Section G2-2.3 of Ecology's Criteria for Sewage Works Design, new standby emergency power generation would be installed to ensure operation of the wet-weather facilities when utility power is unavailable to the plant. The new generator would have a capacity of 500 kilowatts (kW) and would utilize diesel, stored onsite, to generate power. The new engine generator would be capable of providing power for the existing WWTP and the new wet-weather facilities. The new generator would be located on the existh~g concrete pad to the west of the old gaseous chlorine storage building with existing transformer T1. 5.2.8 Alternative 2 - Cost Sirrfilar to the East Side Treatment Facilities, the wet -weather facilities at the WWTP will be used less than ten percent of the year. Therefore, capital expenses are a dominant factor in this project. Table 5-5 below surmmarizes costs associated with Alternative 2. The total cost associated with this alternative is approximately $3.8 million. Table 5-5 Capital Costs for Alternative 2 Alternative Equipment Installation Concrete I/0- Chemical Cost Cost Cost Instrumentation System Pumps Building Total HRC $1,350,000 $135,000 $85,000 $200,000 $5,000 -- $1,775,000 Chlorine Contact Chamber $20,000 $15,000 $270,000 $40,000 $30,000 $30,000 -- $405,000 Headworks $100,000 $15,000 -- $5,000 -- $120,000 Odor Control $20,000 $3,000 -- -- $23,000 Hydraulic Improvement $100,000 -- $10,000 $5,000 ...... $115,000 Parshall Flume $3,000 $9,000 $6,000 -- $18,000 Electrical System $95,000 -- -- $35,000 $130,000 Subtotal Contingency (30%) $776,000 Contractor's Profit (12%) $400,000 TOTAL $3,762,000 64 Brernerton Facility Plan Because of the very infrequent use of the facility and extremely low electrical usage, operating costs for this alternative are extremely low. The largest component of operating costs is associated with the maintenance required to insure the equipment is ready to operate when called to run. Given that plant operations and maintenance staff already work at this facility and the magnitude of maintenance for the existing site compared to what will be required for the new facilities, this cost will be incremental to existing operations and maintenance budget. 5.3 Alternative 3 - Parallel Train with High Rate Clarification and UV Disinfection This alternative would construct a parallel treatment train to the WWTP designed specifically to treat 20 MGD of wet-weather flow. In addition, plant infrastructure will be upgraded to support the new wet-weather facilities. The parallel treatment train would consist of the following major project elements: · Headworks: Inlet weir, flow control gate, flow metering, sampling, and fine screens located at the old headworks facility · Solids Removal: high-rate clarification unit · Chemical feed systems · Ultraviolet light (UV) disinfection · Parshall flume for flow metering · 42-inch diameter conveyance and effluent piping · Effluent wet well and engine-driven pump · Standby / emergency power system · Connections to the existing odor control, sludge handling, chlorination, dechlorination, control, and electrical systems A process flow schematic for Alternative 3 is shown in Figure 11. A site plan for this alternative is shown in Figure 12. 5.3.1 Headworks A new flow control valve would be added to the influent line to the existing new headworks to force a portion of the influent flow to the existing old headworks. A splitter wall, flow meter, and overflow weir would be added to the old headworks to direct flow to the new wet-weather facilities. A new automatic fine screen would be installed in the location of the old bar screens for removal of large solids which would be collected in a bin for conveyance to the existing solids handling facilities. The screening facilities would be connected to the existing odor control facilities. A 42- 65 3AL BUILDING UNIT AND NEW HEADWORKS ' ~[ADWORKS ! ","~ ~RIMARY PRIM \RY ~IFIER NO 1 CLARIFII NO 2 ' PRIMARY,, PUMP STATIoNSLUDO '~-~' , '/ , - i / CHLORINE CO/ ,._ ~ ~ / AND FLOW ME ER ~ ' '~ E 20800 :HLORINE CONTACT CHAMBER 1ES ~ G SODIUM ~IYPOCHLORITE FACILITIES CITY OF BREMERTON PROFESSIONAL SERVICES AGREEMENT Wastewater Comprehensive Plan Update - Project LD. No. 58238 and Westside CSO Treatment Facility Plan - Project LD. No. 570 The City of Bremerton ("City") and Camp Dresser & McKee Incorporated ("Contractor"), referred to collectively as the "Parties," enter into the following Agreement for professional services: L Scope: The Contractor will perform the services set out in the Scope of Work, which is attached as Exhibit A and incorporated by reference. The Scope of Work may be modified only pursuant to Section VI.D of this Agreement. If the Scope of Work provides for unspecified additional services the City may request, such services shall only be performed upon the express, written request of the City. H. Term: This Agreement commences on the date of execution of this Agreement and terminates on December 31, 2002, unless another date is substituted pursuant to Sections VI.D or VIII. m. Compensation: In consideration of the services provided pursuant to this Agreement, the City shall pay Contractor in an amount not to exceed Four Hundred One Thousand Five Hundred Eighty Six dollars ($401,586). Contractor's charges and bills shall conform to the fee schedule attached as Exhibit B and incorporated herein by reference. The amounts for individual tasks may vary provided the total is within the not-to-exceed amount of this Agreement. The Contractor shall submit regular billing statements describing services rendered and the amount charged for each service consistent with the level of detail provided in Table B-1. The descriptions shall conform to and fall within the categories set out in the Scope of Work. Upon receipt of a conforming billing statement, the City shall promptly process payment. Contractor shall not perform work beyond the Scope of Work, nor shall be compensated for such work, unless the Scope of Work or amount &compensation is modified pursuant to this Agreement. Additional services shall be compensated for only if requested pursuant to Section I and shall be compensated as set out in the request or, if the request does not so provide, as set out in the attached Table B-1. Ifa hilling statement does not conform to this Agreement, the City may withhold payment until the statement is brought into compliance. Such withholding does not relieve Contractor of its obligations under this Agreement. Bremerton/CDM Profe~ional ~vic~s A~em~t Page 1 of 6 1V. Relationship of Parties: Contractor is skilled in the matters addressed in the Scope of Work and is performing independent functions and responsibilities within its field of expertise. Contractor and its personnel are independent contractors and not employees of the City. Contractor and its personnel have no authority to bind the City or to control the City's employees and other contractors. As an independent contractor, Contractor is responsible for its own management. The City's administration and enforcement of this Agreement shall not be deemed an exercise of managerial control over Contractor or its personnel. As an independent contractor, Contractor is responsible for payment of all taxes and licensing fees necessary to perform its obligations under this Agreement. These taxes and fees ~ include but are not limited to State industrial insurance, B&O, State professional licensing, and City business licensing. If any taxes or fees due the City have been declared delinquent, the City may withhold the delinquent amount, plus any additional charges arising from the delinquency, from any payments due Contractor. V. Insurance and Hold Harmless: Prior to the commencement date of this Agreement, Contractor shall provide Certificates oflnsurance to the City's Risk Manager verifying the following coverage: l) a professional liability policy ("E&O") providing coverage of $1,000,000 for errors and omissions committed by Contractor while performing its obligations under this Agreement, and 2) a comprehensive general liability ("CGL') policy providing coverage of at least $1,000,000 per occurrence and including bodily injury and property damage. The CGL shall name the City as an additional insured. Both policies shall remain in full force and effect, and provide coverage for the full term of this Agreement. Insurer shall provide the Risk Manager with 30 days' written notice of any cancellation or change of coverage of either policy. Contractor shall be solely responsible for its personnel, subcontractors and agents in the performance of work under this Agreement. Contractor agrees to defend, indenmify, and hold harmless the City and its officials and employees from and against all liability, loss, damages, and expenses, including costs and attorneys' fees, resulting from actions, claims, and lawsuits to the extent arising or alleged to have arisen, in whole or in part, out of or in consequence of the negligent acts, errors or omissions of the Contractor, its employees, its subcontractors, its agents, or its assigns in the performance of this Agreement. The City and Contractor have specifically negotiated Contractor's waiver of its immunity under Title 51 RCW, which is hereby waived for purposes of Contractor's indemnification and hold harmless of the City, including the duty to defend. This provision shall be inapplicable to the extent such action, claim, or lawsuit is judicially Found to arise from the acts or Failures to act of the City. VI. General Conditions: A. Reports and Information: When requested by the City, Contractor shall furnish periodic repotts and documents on matters covered by this Agreement. The reports and documents shall be furnished in the time and form requested. Contractor shall maintain Breraerton/CDM Profess/onal Services Agreement Page 2 of 6 accounting records in accordance with Generally Accepted Accounting Principles (GAAP) to substantiate ail billed amounts. B. Entire A~reement: This Agreement and its Exhibits constitutes the entire agreement between the Parties, and the Parties acknowledge that there are no other agreements, written or orai, that have not been set forth in the text of this Agreement. C. Severability: Should any part of this Agreement be found void, the balance of the Agreement shall remain in full force and effect. D. Modification: This Agreement may only be modified by written instrument signed by both Parties. E. Notices.'. Notices shall be in writing and delivered to the following addresses: City Address Contractor Address City of Bremetton Camp Dresser & McKee, Inc. 239 4t~ Street 11811 NE 1~t Street Suite 201 Bremerton, WA 98337 Bellevue, WA 98005 F. Waiver: Failure to enforce any provision of this Agreement shall not be deemed a waiver of that provision. Waiver of any right or power arising out of this Agreement shall not be deemed waiver of any other right or power. G. Comoliance with Laws: Contractor shall comply with all applicable Federal, State, and local laws in performing its obligations under this Agreement. H. Choice of Law and Venue: This Agreement shall be interpreted according to the laws of the State of Washington. Any judicial action to resolve disputes arising out of this Agreement shall be brought in Kitsap County Superior Court. I. Attorneys' Fees: The substantially prevailing Party in any litigation arising out of this Agreement shall be entitled to its reasonable attorneys' fees and court costs. VIL Nondiscrimination: Contractor shall not discriminate in employment or services to the public on the basis of race, color, national origin, sex, religion, age, maritai status, or disability, except for employment actions based on bona fide occupational quaiification. Bremexton/CDM Profcszioval Services Agreeanent Page 3 of 6 VIII. Termination: This Agreement may be terminated, at will, by either Party upon 30 days' notice to the other Party. This Agreement may be immediately terminated for cause by a Party if the other Party substantially fails to perform through no fault of the terminating Party, and the non-performing Party does not commence correction of the failure of performance within five days of the terminating Party's sending notice to the non-performing Party. Upon termination the City will be entitled to reports showing the status and/or all work products, independent of their stage of completion or preparation format, of all items listed in the Scope of Work current through the termination date. or B RToN · ~,~'~f~', date Ly~n S. Honon, date Sr, Vice President Mayor Dep~ment of~blic Works & Utilities Loren~o~s, h~ity AUomey Received for Filing: ~t~n McClu~ey, City Cl~k Breme~on/CDM Professional Services Agreement Page 4 of 6 EXHIBIT A SCOPE OF WORK Wastewater Comprehensive Plan Update - Project I.D. No. 58238 and Westside CSO Treatment Facility Plan - Project I.D. No. 570 Objectives The objectives of this contract are to update the current Comprehensive Wastewater Plan (Comprehensive Plan), develop a project specific facility plan and project description for the construction of wet weather facilities at the Westside Treatment Plant (Facility Plan), and to assist with the environmental work of the new proposed wet weather facilities. It is anticipated that the new facilities will treat approximately 30 million gallons per day (MGD) peak Combined Sewer Overflow (CSO) flow utilizing new headworks screening, high rate clarification (HRC), upgraded chlorine contact chambers, and the existing plant outfall. Additional chemical systems may also be required. The scope of this work includes evaluating the existing system, program planning and permitting, Comprehensive Plan, and Facility Plan. The principal deliverables are the updated Comprehensive Plan and the Facility Plan. The term "Consultant" in this Exhibit is the same party as the Contractor as defined in the Professional Services Agreement. Consultant and City agree that time is of the essence for completion of the work included in this agreement. Task C shall be completed by June 1, 2002 and Task F shall be completed consistent with the Washington State Department of Ecology's schedule for submitting applications for State Revolving Fund financing for design and construction of the planned facility; the current estimate is February 1, 2002. Consultant shall prepare and submit to the City a detailed schedule consistent with this scope of work to meet these requirements. The schedule shall be updated monthly to reflect progress and status of the work. Tasks A, B, D, and E are reserved and are not used in this scope of work. Task D will be the design of the proposed wet weather facilities. This task will be developed and amended to the scope of work after the planning phase of the project clarifies which facilities will be required. Construction services may also be developed and amended to this scope of work. This scope of work assumes that the requirements of the Department of Ecology (Ecology) for the Comprehensive Plan and Facility Plan and the Environmental Protection Agency (EPA) for STAG grants will be the same as required for 2001. It also assumes that the proposed approach to the environmental portion of the project will be acceptable to the regulatory agencies. September 13, 2001 Page 1 of 17 All documems prepared as deliverables to the City shall be delivered in both bard copy and electronic format in forms and programs acceptable to the City. All such documents and work products shall become the property oftbe City upon delivery. WASTEWATER COMPRENHENSIVE PLAN UPDATE (TASK C) The existing Comprehensive Plan will be updated to reflect the current issues and plans oftbe City system. In general, the scope will follow the Table of Contents of the existing pla~ Sections not requiring changes or not related to the treatment facilities will not be updated at this time. Deliverables: One copy sufficiem for City reproduction and 50 bound final copies of the updated final Comprehensive Plan will be provided to the City. One copy will be provided to Ecology. The Final Comprehensive Plan will consist of the final versions of the technical memorandums described in the subtasks below. C.1 Back~mund and Scope of Study The consultant will prepare for and conduct a workshop with City staff to achieve the following goals: · Familiarize the team with scope, schedule and work plan for both the Comprehensive Plan and the Westside Project Specific Facility Plan and Design, · Identify critical constraints, · Make assignments to Consultant and City team members with regard to background information needs. City Responsibilities: The City will provide key staff to the workshop that will maintain active roles in operations, technical review, permitting, and environmental review for the entire duration of the project. Deliverables: The Consultant will supply a drat~ project work plan, including project schedule, and agenda one week before the workshop. Hard copy and electronic minutes will be distributed to all participants five working days after the workshop. The Consultant shall submit a draft report section of the Comprehensive Plan for the City to review. September 13, 2001 Page 2 of 17 C.2 S/stem Description The Consultant will summarize the characteristics and condition of the existing wastewater system including the following areas: · C.2.1 Collection System · C.2.2 CSO Reduction · C.2.3 Westside Wastewater Treatment · C.2.4 Eastside CSO Reduction Facility City Responsibilities: The City will provide planning maps, drawings, and reports requested by the Consultant. The Consultant will require information outside of the areas not previously studied by the Consultant, such as the Westside Treatment Plant and certain CSO areas. Deliverables: The Consultant shall submit a draft report section formatted for the Comprehensive Plan for the City to review. C.3 Planuinn Issues This task will develop the data to support the key planning decisions. C.3.1 Sewer System Evaluation and Plannin~ The Consultant will prepare a report documenting the sewer collection systera. The work product will he prepared to conform to corresponding sections of the requiremems of WAC 173-240-050. The subtask will include developing: · Service area, system characteristics, and wastewater planning criteria · Planning area and existing system The Consultant will prepare as appropriate either 8.5-inch x 11-inch or 11-inch x 17-inch format AutoCAD figures illustrating the existing and proposed service area boundaries, topography, major streets, water bodies, water systems, public and private wells, and the existing sewer conveyance system. The sewer conveyance system map will identify major trunk sewers, major pump stations, force mains, and overflow structures. City Responsibilities: Provide documentation of the Urban Growth Area (UGA) boundary, proposed service areas, maps delineating municipal boundary, and adjacent jurisdictions. Provide AutoCAD drawings of items required to describe the sewer system characteristics. The City will provide the necessary electronic base mapping for the generation of the sewer system characteristics mapping. September 13, 2001 Page 3 of 17 Deliverables: One copy sufficient for City reproduction of a draft technical memorandum formatted as the Service Area and System Characteristics section of the Wastewater Comprehensive Plan. C.3.2 Wastewater Flows Document existing wastewater flows from tributary drainage basins including areas served under contract sewer service. Develop the Annual Average Flow, Average Day, Maximum Month, Maximum Day Flow, and Peak Hour Flow based on the projected growth in the tributary basins estimates of future wastewater flows. Develop the Annual Average Flow and the Average Day Maximum Month flows based on historical wastewater treatment plant flows and an antecedent condition index model that relates precipitation to daily flows. The model was developed during the update of the CSO reduction plan. Estimate the maximum day and peak hour flow parameters using a HYDRA model, as defined in the Collection System Hydraulic Analysis section (C.3.3). City Responsibilities: Appendix A of the 1995 City of Bremerton Comprehensive Sewer (Wastewater) Plan identifies the population of drainage basins served by the City. Provide updated estimates of the existing and future development and populations within each of the drainage basins. The City will provide updated population forecasts for each of the drainage basins. Deliverables: One copy sufficient for City reproduction ofa drafl technical memorandum documenting the 5-year and 20-year wastewater flow projections for the proposed service area. C.3.3 Collection System llydraulic Analysis A hydraulic and hydrologic system mudel of the City of Bremerton sewer system was developed as part of the recent CSO Reduction Plan Update. The model was constructed using HYDRA modeling soflware. The model will be updated to reflect a future system model including expanded sewer service areas and projected growth. The model delineates areas that contxibute direct storm water inflow based on field investigations conducted by the City. Since the development of the CSO Reduction Plan the City has identified approximately 300 additional properties that contribute direct inflow. These properties will be incorporated into the model and the model will be recalibrated to the CSO design storm. The future system model will he analyzed to reflect the CSO improvements that will be constructed in the next 6 years and inflow sources that the City anticipates removing. Identify main trunk sewer improvements required to serve future growth. Identify improvements to existing sewers that are shown as overloaded in the model. City Responsibilities: Provide documentation of additional inflow sourecs identified by the City. September 13, 2001 Page 4 of 17 Deliverables: One copy sufficiem for City reproduction of a draft technical memorandum documenting the future wastewater flows in the main trunk sewers formatted for the Comprehensive Plan. C.3.4 Westside Plant Capacity The Consultant will assist the City in establishing the existing plant capacity. This capacity study will support the City's efforts to increase the permitted peak month re- rating as well as form a basis of study for the Comprehensive Plan. Specific subtasks to he accomplished are: Summarize the last 5 years of plant data · Develop the hydraulic profile and identify plant bottlenecks Develop a suggested new rating for the Westside Treatment Plant · Attend two meetings with the City · Attend two meetings with Ecology City's Responsibilities: The City will provide the plant data in electronic form and coordinate all team meetings and meetings with Ecology. Deliverables: The consultant will provide five copies of the data analysis summary and the drat~ re- rating report. C.4 Mixine Study Perform a mixing study to fulfill the following requirements of WAC 173-240-060: · The degree of treatment required based upon the receiving body of water; · A description of the receiving water, applicable water quality standards, and bow water quality standards will be met outside of any applicable dilution zone; and · Detailed outfall analysis. C.4.1 Effluent Miring Zone Study The Westside Treatment Plant outfall has an authorized mixing zone equal to a distance of 200 feet plus the water depth from any ddfuser port, where conventional and chronic toxicity criteria are suspended. There is also an acute zone equal to ten percent of the chronic distance. Ecology requires acute and chronic dilution factors to be calculated during critical conditions with (a) dye or other tracers, or (b) using approved computer models if there is adequate data to support them. Dye tracer studies would be prohibitively expensive for this application due to the depth of the discharge. We propose to use the dilution model PLUMES for this project, and collect the necessary ambient data. There is ample precedence of Ecology acceptance for this approach for Puget Sound discharges. September 13, 2001 PageSofl7 We will obtain the ambient data necessary to support the selected dilution model. The requirements are established in Appendix 6.1 of the Permit Writer's Manual entitled Guidance for Conducting Mixing Zone Analyses. The critical ambient requirements are specified in Sections 1.5 through 1.7 of Appendix 6.1: 1.5 Current. Since the discharge is to Puget Sound with no nearby major river, Section 1.5 defines the critical currents as l0th and 90th percentile current speeds for acute modeling conditions, and median (50* percemile) for chronic. The Ecology guidance requires that these current speed statistics be determined over a comprehensive field data set including both neap and spring tides. We have found that the most cost-effective way to obtain the data acceptable to Ecology are with drogues (i.e. current drifrers) released from the outfall site. Therefore, our proposed scope for establishing the 10', 50* and 90a~ percentile current speeds is through two 13-hour drogue studies. Windowshade drogues will be released from the outfall site at 1-hour intervals for one tidal cycle (12.4 hours) on 2 days. One day shall be during neap tide (small tidal range) and one during spring tide (large tidal range). Drogues shall be set at a depth of approximately 15 and 33 feet and tracked for up to 3 hours. Drogue positions shall be determined from a surface vessel with differential GPS per Ecology protocol. The product of these studies shall be calculated drogue velocities and the required current statistics derived from the cumulative frequency distribution of velocity measurements. 1.6 Depth and Number of Ports. Section 1.6 stipulates that the modeling he conducted at the mean lower low water (MLLW) depth for marine discharges. Ecology also requires that the outfall be inspected to ensure it is functioning as designed. The inspection must establish that the effluent is actually discharging fi.om the number and depths of diffuser ports used in the modeling. The actual depth of the diffuser and the number of operating ports will be documented in the Outfall Evaluation task described below. 1.7 Stratification. Section 1.7 describes the critical conditions for density stratification for marine discharges to Puget Sound. The critical condition is maximum stratification, which usually occurs during summer. For this study we propose to conduct hourly conductivity, temperature and depth (CTD) casts during neap and spring tides to determine the critical density stratification. The CTD casts will be conducted at the same time as the drogue study (i.e. between drogue deployments or fixes). CTD casts will be obtained with a SeaBird Model SBE19. This instmmem and the proposed CTD profiling schedule have gained wide acceptance from Ecology for satisfying mixing zone studies. Seasonal variability in density structure will be assessed fi.om recent CTD casts by Ecology at Station SIN001. City's Responsibilities: The City will provide access to the outfall and assist in securing access to Sinclair Inlet. The City will contact the Navy to inform the Navy of the work. The City will survey stake the outfall and at least one hack sight. September 13, 2001 Page 6 of 17 Deliverables: The consultant will provide one copy of a draft technical memorandum suitable for reproduction by the City summarizing the studies findings. The final technical memorandum will be included with the final Comprehensive Plan. C.4~2 Final Refinements It may be necessary to evaluate the Task C.4.1 work in light of the project specific requirements of the Task F Facility Planning. This subtask provides for modifications needed as a result of the approach to CSO treatment developed in parallel to the Comprehensive Plan Update. Deliverables: If refinements are required to the drafl technical memorandum submitted in the Task C.4.1, the Consultant shall provide one copy sufficient for City reproduction of a refined mixing study draft technical memorandum. C.4.30ntf~ll Evaluation A dive inspection will be conducted to assess the condition of the submerged pipeline, diffuser and joints. Rhodamine WT fluoreseem dye will he injected into the effluent during the inspection for detection of lealc~ and documentation of diffuser flow. We will inspect and photograph the exterior of the pipe from the point at which it emerges from below the mud line out to the diffuser. Each diffuser shall be inspected and checked for plugging. Structural condition of the pipe and joints shall be determined visually. An underwater digital video camera shall he used to document the portion of the outfall visible above the mud line. Videotapes shall he provided to the City, and digital photos shall be included in the inspection report. This study shall also include an evaluation of the hydraulic capacity of the diffuser. Diffuser hydraulic losses shall be determined with the manifold model DIFFDSGN. Hydraulic grade lines at the treatment plant will also be determined. Diffuser and outfall hydraulics will be evaluated iteratively with mixing zone modeling and as flow criteria are finalized. Potential diffuser modifications will be developed to balance these criteria, with the goal of not requiring outfall or dffiSaser modifications that need aquatic permits. City Responsibilities: The City will supply as built information on the existing outfall. The City will contact the Navy to inform the Navy of the work. The City will survey stake the outfall and at least one back sight. September 13, 2001 Page 7 of 17 Deliverables: The Consultant will provide one copy sufficient for City reproduction ofa drat~ technical memorandum summarizing the task efforts and irmdings. A final version of the technical memorandum will be included in the final Comprehensive Plan. C.4.4 Water O#alily Based Effluent Limitations The Consultant will use Ecology and EPA protocol to determine compliance with ammonia, chlorine, and metals water quality criteria. Projected effluent quality from the HRC process will be based on pilot study data. The two flow streams will be blended to determine the resulting concentration of toxicants at design conditions. This analysis will be performed for design effluent flow conditions. Where the modeling shows a reasonable potential to exceed water quality standards, we will calculate the effluent limits that are likely to be included in the next NPDES permit. These methods are equivalent to those used by the Ecology NPDES permit writers. Ecology is in the process of establishing a TMDL for Sinclair Inlet, based on models being developed by the Navy. The main parameters that have the potential to be impacted by the TMDL are BOD, toxicants and nutrients. The most likely nutrient to be controlled through the TMDL is total inorganic nitrogen (ammonia plus nitrate). It is not expected that the TMDL will be complete before this project. Therefore, the budget allotted for this task will consist of gaining updates to the status of the TMDL and projecting potential impacts on the Wastside Trealment Plant effluent requirements. For the Engineering Report supporting the I-IRC system for wet weather flows, Ecology may require determination of basinwide loadings ofBOD, TSS, metals and nitrogen. The Consultant will prepare a brief discussion of the net decrease expected for these parameters when the HRC facilities are online. The report will put these conclusions within the context of the impending TMDL, based on new Ecology policies for discharges to 303(d) listed water bodies where TMDLs have not been completed. City Respon. vibilities: The City of Bremerton will furnish existing effluent data for toxicants in the secondary effluent. Deliverables: All deliverables in this task will be included in the Task F Facility Plan support inforraation. C.5 Planninn Criteria This task will summarize all the planning criteria to support the development of project alternatives. The draft technical memorandum from this task will serve as a checkpoint to get input from the City. The Consultant will review the City's comments and concerns September 13, 2001 Page 8 of 17 in a workshop and develop final criteria for Task C.6. The criteria are grouped in the following areas of study: · C.5.1 Current Permit Strategies · C.5.2 TMDL Process · C.5.3 Biosolids Regulations · C.5.4 Planning Assumptions for Discharge · C.5.5 Planning Assumptions for Reuse · C.5.6 Odor Contrel C.6 Alternatives Development Preliminary treatment and handling alternatives for each of the key facility issues will he developed. Deliverables: A draft section of the Comprehensive Plan discussing possible alternatives sufficient for City reproduction will he developed and submitted to the City. C.6.1 Liouid Stream Approximately 60 MGD of CSO flow will need to he treated by the Westside Facility. The no action plan is not considered to he an alternative because of the consent decree requiring action. It is anticipated that a parallel train for 30 MGD of wet weather flow will he required to treat the 60 MGD of CSO and meet the requirements of the consent decree. These flows do not represent a flow increase but a redistribution of flows from other parts of the system. The alternative of storing peak flows versus treating them has been previously looked at by the conveyance system comprehensive plan. It was det~a~sdned that treatment of the stream instead of storage would he more beneficial. Alternatives for treatment will he investigated including: · Screening: New parallel fine screens, use of existing rag handling equipment, new rag handling equipment · Clarification: Additional primary clarifiers, enhanced primary clariflers, use of the biotower, use of Highrate Clarification (I-IRC) · Chlorine Contactors: raising the basin free hoard, building new basins, decreasing "time" and increasing "dose" · Addition to or upgrading of plant chemical systems · Addition to or upgrading of plant electrical and support systems Each alternative will he looked at to determine approximate footprint and potential siting locations, technical viability, reliability, quality of treated effluent, and relative costs (low, medium, high). It is anticipated that the I-IRC alternative to clarification will be the most beneficial. September 13, 2001 Page 9 of 17 Treatment of the plant flow stream will also be evaluated as it relates to future TMDL regulations and BNR requirements. Alternatives will be developed to meet anticipated requirements. These alternatives will include changes to the aeration basins, secondary clarifiers, plant operations, and sludge handling. Alternative analysis will include determining the technical viability, approximating footprints and potential siting locations, comparing the quality of the effluent, comparing reliability, and relative costs (low, medium, high). City Responsibilities: Review draft technical memorandum and bring all comments to the workshop to discuss alternatives. Review the draft project description within two weeks of submittal to the City and provide written comments to the Consultant. Deliverables: One copy sufficient for reproduction of a draft technical memorandum discussing the alternatives will be provided to the City. A workshop will be held with City staffand the Consultant to discuss the recommended alternatives and City comments on the technical memorandum and prepare an outline of the project description that will he provided to the EPA as part of the STAG process. The Consultant will provide meeting minutes to the participants within one week of the workshop. From this meeting, the Consultant will develop the written project description for wet weather facilities. The project description will be provided to the City for review and the final version will be presented to the EPA. C.6.2 Biosolids Processinn An immediate issue for City planning and treatment plant operations is the handling and processing of solids. The City's current approach produces Class B solids which are spread on City land. This approach is anticipated to be no longer available. If the City is forced to change l~om their current approach, Class A solids will be required and reuse will be by a different method. The facilities at the Westside Treatment Facility will not currently meet the Class A solids criteria. In addition, the City would like to improve reliability of the their current solids processing systems. Alternatives may include new digesters and evaluating tbermophylic versus mesophylic digesters. Alternatives for processing solids will be identified. Each alternative will he evaluated for technical viability, approximating footprints and potential siting locations, comparing the reliability, comparing the quality of the product, and relative costs of the alternatives. Deliverables: One copy sufficient for reproduction of a dralt technical memorandum discussing the alternatives and recommendations wilt be provided to the City for review. September 13, 2001 Page 10 of 17 C.6.3 Reuse The City would like to increase opportunities to reuse treated wastewater. Potential opportunities for reuse include onsite uses, irrigation, and uses at the Puget Sound Naval Shipyard. Reuse will most likely require filtration of treated effluent. The City has been piloting some filtration systems. An estimate of the quantity of reuse water will be made and alternatives for producing quality reuse water will be developed. Alternatives may include fuzzy filters and membranes. Alternatives will be evaluated for technical viability, approximate footprints and potential siting locations, reliability, quality of effluent, and relative costs and benefits. Deliverables: One copy sufficient for reproduction of a draf~ technical memorandum discussing the alternatives, benefits, and recommendations will be provided to the City for review. C.7 Recommended Plan The &att and fu-ml recommended plan will be prepared for City review divided into the following three efforts. C,7.1 Plant LaYout and Staging C.7.2 Biosolids Management C.7.3 Implementation Triggers City Responsibilities: The City will provide timely reviews in accordance with the schedule Attachment A- 1. Deliverables: There will be two workshops to assist the Consultant in developing a final recommended plan. C.8 Financial Information The financial analysis will detail anticipated capital and operating costs of the recommended plan (C.7). Anticipated user costs will be developed. Funding of the recommended plan including the financial capability of the City, Capital f'mancing plan, and implementation plan will be detailed. City Responsibilities: The City will provide information supporting the existing rate structure and current CIP background. Deliverables: Draft memorandum outlining financial impacts of the proposed plan update. The financial information will be discussed at the workshop conducted as part of task C.7. September 13, 2001 Page 11 of 17 C.9 Appendixes Appendices for the Comprehensive Plan will be prepared as described elsewhere in this scope of work and included with the final Comprehensive Plan submitted to the City and Ecology. The following appendices will be attached: A. Applicable Permits B. Outfall Mixing Study C. Capacity Study D. Westside CSO Treatment Facility Plan (Task F). September 13, 2001 Page 12 of 17 WESTSIDE CSO TREATMENT FACILITY PLAN (TASK F) The Consultant shall prepare the Facility Plan for the Westside CSO Treatment Facility. The new portion of the facility is anticipated to have screening, high rate clarification, upgraded chlorine contact chambers and support systems. The Facility Plan will be based upon the recommended plan for treating wet weather flows as developed during the comprehensive plan and the project description (Task C.6.1). No improvements to the plant outfall or in Sinclair Inlet are anticipated as part of this scope. F. 1 Facility Plan The Facility Plan will conform to requirements of WAC 173-240-020 and the Criteria for Sewage Works Design will include: Executive S~: The executive summary will include a site description, problem identification, description of discharge standards, description of recommended facilities, and an implementation strategy. Background Information: This section of the plan will describe the existing environment including water, air, sensitive areas, and endangered species. Alternatives Descriptions & Evaluation: A discussion of the alternatives will list specific alternative categories for each aspect of the proposed design. Innovative alternatives, which may save energy or space, will be assessed. Costs and environmental impacts will also be discussed. Alternatives will be ranked and one alternative will be recommended. Final Alternative: Detailed predesign of the selected alternative will be developed including a site layout, flow diagram, major equipment and basin sizing, design life, sludge management, future expansion, and feasibility of implementation. O&M Requirements: The operations and maintenance requirements of the selected alternative will be discussed including present worth costs and staffing needs. Implementation Plan: The implementation plan will provide a detailed schedule of the design and construction of the proposed facilities. The plan will assess critical path of the project and construction of the new facilities with minimal disruption to the existing treatment plant. September 13, 2001 Page 13 of 17 · . Cost Estimate A detailed capital cost estimate will be included in the Facility Plan. City Responsibilities: Review and comment on the draft Facility Plan within two weeks of submittal by the consultant to the City. Deliverables: A draft copy of the Facility Plan will be provided to the City for review and comment. Twenty final copies of the Facility Plan will be provided to the City and one copy will be provided to Ecology. F.2 Environmental Review The City has been selected to receive state funding and tentatively selected for federal grant funding to upgrade the City's Wastewater Treatment Plant. The proposed upgrade consists of the design and construction of a 30 MGD high rate clarification train to be operated in parallel with the existing primary clarifiers at the site. Specific improvemems associated with the upgrade include: expansion of the chlorine contact basin; improvements to the standby power system for the facility; installation of a high-rate clarification system; and potentially, the installation of new outfall booster pumps. The following assumptions support the scope developmem: The U.S. Environmental Protection Agency (EPA) will be the NEPA Lead Agency and the City of Bremerton will be the SEPA Lead Agency for the project. The Washington State Department of Ecology will serve as a SEPA Consulted Agency · Project improvemems to the Wastewater Treatment Plant (WWTP) will not: include any "in-water" work; extend beyond the existing footprint of the facility; occur within 200 feet of shorelines under the jurisdiction of the Washington Shoreline Managemem Act; occur within a designated FEMA 100 or 500 year flood zone; or include the installation or removal of underground storage tanks · All projeet environmental documentation, review and approvals, including environmental permitting is to be completed no later that January 2002. The Consultant will be coordinating the environmental review and permit applications for the project. The general approach is as follows: · Organize a Project Development Meeting; · An early project activity will be to determine whether the project meets the criteria of a categorical exclusion (CE). An Environmental Information Document (EID) will be prepared to be used by the City and EPA to assist in determining whether the project meets the criteria for CE under NEPA/SEPA; September 13, 2001 Page 14 of 17 · An agency Coordination Meeting will be held to determine in consuhation with the appropriate state and federal agencies whether the project qualifies as a NEPA/SEPA CE. If the project qualifies as a CE, no additional NEPA review would be required. If the project does not qualify as a CE, a NEPA EA would be prepared using the information developed in the preparation of the EID; · Based on consultation with affected regulatory agencies, the environmental permitting requirements of the project would be identified and the applicable permit applications would be prepared; · Coordination would occur with National Madnc Fisheries Service (NMFS), U.S. Fish and Wildlife Service (USFWS), and other state and federal agencies to identify any information on threatened and endangered species that may be affected by the project, and facilitate Endangered Species Act (ESA) compliance; · Coordination would occur with the Washington Office of Archaeology and Historic Preservation (OAHP), and other government agencies to identify any information on archaeological, historical, and cultural resources that may be affected by the project, and facilitate National Historic Preservation Act (NHPA) Section 106 compliance; · A draft Finding of No Significant Impact (FONSI) would be prepared and submitted to EPA. Once issued, the final NEPA FONSI would be adopted to satisfy the environmental review requirements of SEPA, and the City of Bremerton would issue a determination of effect. F.2.1 Mobilization Project mobilization includes field surveys of the project site, and review of available technical reports and data. F.2.2 Meetings and Coordination · Project Development Meeting - The Consultant will facilitate a meeting with the City of Bremerton to present an environmental study plan, which will include a draft approach and schedule. At this meeting, the Consultant will present the proposed plan and discuss the implications of the various implementation options. The meeting will be focused on addressing any unresolved elements of the project description and obtaining the concurrence of the City in the implementation of the environmental study plan. · Agency Coordination Meeting - The Consultant will facilitate meetings with the City of Bremerton, U.S. EPA, Department of Ecology, Washington Department of Fish and Wildlife, and the Department of Natural Resources to present the project to the agencies, determine in consultation with the agencies whether the project qualifies as September 13, 2001 Page 15 of 17 a NEPA/SEPA categorical exemption (CE), and receive feedback fom the agencies regarding permit requirements and environmental review processes. F.2.3 Prepare Environmental Information Document (ELD) The Consultant will prepare an Environmental Information Document (ELD) to meet the requirements of the EPA Procedures for Implementing the Requirements of tho Council on Environmental Quality on the National Environmental Policy Act (40 CFR 6). The EID will provide the objective basis for the City and EPA to determine whether the project qualifies as a categorical exemption (CE) under NEPA and/or SEPA. Deliverables: Draf~ EID, Final EID. F.2.4 Prepare Environmental Permits Assumptions: · Modification of the WWTP physical plant will necessitate modification and/or reissue of the facility's existing National Pollution Discharge Elimination System (NPDES) Wastewater Discharge Permit. · Modification or reissue of the existing NPDES Permit as a result of the construction of project improvements will require a Section 401 Water Quality Certification by the Department of Ecology. Based on the preliminary project description and consultation with affected regulatory agencies, the Consultant will: (1) identify the environmental permitting requirements for the project and participate in a pre-application meeting with the applicable regulatory agencies; and (2) prepare identified permit applications (including NPDES wastewater discharge permit and Section 401 Water Quality Certification) and associated environmental documentation. F.2.5 Prepare NEPA Environmental Assessment (EA) Assumption: The project is not categorically exempt from the environmental review requirements under N-EPA. An Environmental Assessment (EA) will be prepared to meet the requirements of the National Environmental Policy Act (NEPA) (42 U.S.C. 4371 et seq. and 40 C.F.R. 1500- 1508), and the EPA Procedures for Implementing the Requirements of the Council on Environmental Quality on the National Environmental Policy Act (40 CFR 6). The EA will address those elements of the environment Deliverables: Preliminary, Drat~ and Final Environmental Assessments. September 13, 2001 Page 16 of 17 F.2.6 Endanfered Species ACt (ESA) Consultation Assumption: The Bremerton CSO project is a construction project that meets the NEPA definition of a Major Federal Action, and is subject to the review requirements of the Endangered Species Act (ESA). Based on initial informal consultation with NMFS and USFWS, the Consultant will determine the need to prepare a Biological Assessment/Biological Evaluation (BA/BE) for the project. If a BA/BE is required, it will he prepared using information developed during the preparation of the project's EID. Deliverables: Agency Coordination documentation and a project BA/BE, if needed. F.2.7 Preoare flndinf of No Significant Impact (FONSI) Assumption: Based on the analysis and conclusions contained in the project EA, it is anticipated that the project will not result in significant environmental impacts. A ch'aR Finding of No Significant Impact (FONSI) to he submitted to EPA will be prepared. The preparation and submittal of the FONSI will coincide with EPA review and approval of the final Environmental Assessment. Deliverable: Draft FONSI. F~2.8 NHPA Section 106 Consultation Assumption: No project-related effects to Section 106 cultural/historical resources will he identified in the course of preparing the EA. The Consultant will meet with a representative fi.om the Washington Office of Archaeology and Historic Preservation (OAHP) to present the Bremerton CSO project, and establish the Section 106 review requirements and SHPO concurrence process for the project. A draft No Effect concurrence request letter to SHPO will he prepared. Deliverables: Draft concurrence request letter for the City to submit on their letterhead. F.2.9 Prepare Public Notices The Consultant will prepare drafts of the following public notices: Notice of Availability of NEPA Environmental Assessment (EA), Notice of Finding of No Significant Impact (FONSI), Notice of Adoption of the NEPA EA to satisfy environmental review requirements under SEPA, Notice of SEPA determination of effect. September 13, 2001 Page 17 of 17 EXH BIT B Fee Schedule ~or Professional Services Wastewater Compr~beuslve Plan Update and Westside CSO Treatment Facility Plan Project I.D. No. Task Amount Background, Development, Plannings Issues and Criteria (Tasks C.1, C.2,C.3 $100,720 & C.5) Mixing Study (Task C.4) 31,911 Treatment Objectives and Alternatives Development (Tasks C.6 & C.7) 70,304 Recommended Plan and Implementation (Tasks C.8, C.9 & C.10) 62,701 Subtotal Comprehensive Plan Update $265,636 Project Development (Tasks F 1.1 through F 1.8) 42,770 Environmental Review (Tasks 2.1 throuOt 2.9) 86,080 Final Facility Plan Production (Task F.3) 7,100 Subtotal Westside CSO Treatment Facility Plan $135,950 TOTAL FEE $401,586 Bremerton/[insert contractor name] Professional Services Agreement Exhibit B Table B-1 Billing Rate Schedule Effective January 1, 2001 PROFESSIONAL AND SUPPORT SERVICES HOURLY RATES Vice President/Senior Vice President $55.00 - 65.00 Principal, Associate & Engineer/Scientist (Grade 7 & 8) 45.00 - 60.00 Senior Engineer/Scientist (Grade 6) 40.00 - 54.00 Engineer/Scientist (Grade 4 & 5) 34.00 - 42.00 Construction Resident Engineer 31.00 - 45.00 Construction Resident Inspector 30.00 - 40.00 Staff Engineer/Scientist (Grade 2 & 3) 25.00 - 33.00 Draftsperson/Designer 18.00 - 30.00 Contract Administrator 18.00 - 26.00 Technical Editor 15.00 - 26.00 Administrative Assistant 13.00 - 25.00 Technician/Clerk 9.00 - 18.00 Hourly Rates will be multiplied by 3.20 for billing purposes. The above are based on regular rates current at the time of execution of Amendment 1 to this Agreement. If the regular rates of the employees are increased during the life of the Agreement, billing and payment will be at the increased regular rates for the applicable period of time Other Direct Costs Other reimbursable direct costs shall be billed at 1.1 times actual costs to cover the cost of general administrative expenses and handling. These reimbursable costs include, but are not limited to: Travel: Air Fare, Auto Rental, Local Mileage ($0.354/mile) Subsistence: Lodging and Meals Communications: Long Distance and Cellular Telephone, Fax, Postage, and Courier Services Printing: Internal Reproduction ($0.08/sheet Black & White, $$1.00/sheet Color); Outside Printing Services Word Processing Computer Charges at $10.00 per Hour C_ADD Computer Charges at $18.00 per hour Consultant, Subconsultant and Testing Services Equipment Rental