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Task Order No. 10356 with HDR Engineering, Inc. for Secondary Effluent Coagulation Flocculation TankTASK ORDER NO. 10356 Pursuant to the MASTER AGREEMENT FOR PROFESSIONAL SERVICES BETWEEN CITY OF MERIDIAN (OWNER} AND HDR ENGINEERING, INC. (ENGINEER) This Task Order is made this 24th day of Juiy, 2012 and entered into by and between the City of Meridian, a municipal corporation organized under the laws of the State of Idaho, hereinafter referred to as "City", and accepted by HDR Engineering, Inc, hereinafter referred fie as "Engineer" pursuant to the mutual promises, covenant and conditions contained in the Master Agreement (Category 2A) between the above mentioned parties dated December 6, 2011. The Project Name for this Task Order 10356 is as follows: CITY OF MERIDIAN ECN~-RY EFFLUENT' C®~ULTIN - FL®C~ULAT'IN TANK F'~E~T" UN~ERT~N®~NG The design services in this task order will enhance the phosphorus removal capacity of the City's existing wastewater treatment facility by adding acoagulation/flocculation step between its existing secondary clarifiers and cloth media filters. ~~~~ ®~ TASK 'BOA -PROJECT I~iANAGEMENT Objectir~~; Provide scope, schedule, and cost control services. Appo•®acl•~ Communicate scope, schedule, and budget/flee status with the Owner and the project team through project management plan, telephone ca[Is, and email communications. IVlor~itor projecf progress including work completed, work remaining, budget expended, schedule, estimated cosi of work remaining, and estimated cost at completion. Secondary effluent Flocculation TanEc - Prajecf +f10356 Page 'I of 14 HDR Engineering, Inc. 0 Prepare progress reports and invoices that summarize the work progress to date, budget expenditures to date, and identify any information requirements or decisions that need to be made by the Owner. ® Provide a review of the concepts and criteria being applied to this task order with Consultant's wastewater treatment technical direr#or or designee, s4ssumptions m Owner will interface with Consultant on project issues. o If the scope changes during the life of the project, modification to the original contract agreement will be required per the terms and conditions of the agreement. o invoice format will follow standard format by the Consultant. e DirecT expenses for travel (outside Ada County), printing, photocopying, and telephone conferences will be billed to Owner. ®eliverables ® Progress reports and invoices (one (1) hard copy each month). ~-~ese~ goo ~ PRELIfViIN~11RY E(V~IId~ERING Objective Plan and document the specific design requirements associated with the coagulationJflocculation process to establish treatment process arrangements, hydraulic profile, general site layout, major equipment selection, structural and material concepts, and process control philosophy. Approach ® Prepare a Preliminary Design Report (PDR) to define the project with a unified design concept to allow development of a realistic opinion of probable construcfion cost, an informed review by Owner, and approval by Idaho Department of Environmental Quality (DEQ). Anticipated components of the PDR are as follows: o Establish and document design criteria including: ® Flow and loading criteria. a Treated water quality requirements. o Provide recommendations to Owner on additional jar testing to establish other design parameters, such as mixing gradient "G" values and chemical dose range. © Provide Owner with guidance on phosphorus speciation Testing. Applicable codes, standards and design conditions. Reliability and redundancy requirements. o Develop preUminary process design including: ~~ Summary of uniT process design criteria and projected operating conditions. Secondary Effluent Flocculation Tank -Projectli10356 Page 2 of 14 HDR Engineering, ]nc. ^ Process filow diagrams for coagulation/flocculation unit process. ^ Process narrative for individual unit processes. o Perform hydraulic analysis including: Hydraulic profile for coagulationlflocculation unit process. ^ Line size calculations far major process piping. o Develop preliminary site and civil design including: ^ Site plan showing new and existing structures. ^ Preliminary yard piping plan {major piping systems). o Develop preliminary structural design including: a Footprints and sections ofi major structures showing major equipment. ^ Structural design concepts, including conceptual design ofi foundations and preliminary sizing of wall and slab thicknesses. ^ Building material selection. Structure dimensions. o Develop preliminary process mechanical design including: Sizing of major equipment. ^ Preliminary equipment lists and data sheets far major equipment. ^ Equipment layouts, including major piping and valves. n Equipment access and hoisting plan. ^ Piping material sejection. ^ Chemical sforage and feed requirements. m Utility requirements, o Develop preliminary electrical design including: 4 Preliminary electrical load fist. ^ Electrical service requirements. Standby power requirements. e Electrical power one-line diagram. Preliminary electrical site plan. Communication design concepts. Sizing of major equipment. ^ Preliminary equipment lists and data sheets far major equipment. ~ Develop preliminary instrumentation and control design including: Control philosophy. E~ Control sysfem block diagram. Process control descriptions. Process anti Instrumentation Diagram {i}&ID) drawings for major equipment and system:. Secondary Effluent Flocculation Tank -Project #10356 Page 3 of 14 HDR Engineering, Inc. o Develop preliminary implementation and procurement plan including: Preliminary construction schedule. Equipment procurement plan including potential sole-source, pre-purchase, pre- qualification or base-bid candidates. o Prepare preliminary engineer's opinion of probable construction cost. ® Conduct up to two (2) coordination meeting with Owner staff and up to two (2) Consultant staff members during development of PDR to discuss design concepts, report progress, and Owner preferences. ® Provide technical and editorial quality control reviews. ® Preliminary Design Report development will include a draft submittal to the Owner for review and comment, a comment resolution period, and a final submittal to Idaho DEQ for approval. o Document decisions in a decision log and log Owner comments and Consultant responses in a quality assurance log. Assumptions ° Owner will provide additional jar testing as directed by Consultant and record data in laboratory jar testing data log. Owner will test samples for total phosphorus (TP), total reactive phosphorus (TRP), soluble total phosphorus (sTP), and soluble reactive phosphorus (sRP). ® Owner will provide geotechnical reports and final foundation design recommendations at or before NTP. o Owner will provide survey and topographic mapping information of project site in At.ttoCAD .dwg format at or before NTP. o Potholing of underground piping and utilities will not be required. o A plant-wide process flow diagram will not be prepared. ® Owner will provide a current hydraulic profile of the Wastewater Treatment Plant in AutoCAD .dwg at or before NTP. © Computational fluid dynamic modeling will not be required, but can be added to scope of services under separate task order if desired by Owner. 0 Odor control and noise mitigation plans wil! not be required. ® Architectural, HVAC, and Plumbing designs will not be required. ® Preliminary cost opinion will be for budgetary planning purposes to support project funding requests. Consultant will attempt to provide a range of accuracy based upon AACE International Recommended Practice No. 17R-97, Class 3, 10 to 40 percent project definition,+30% to -15% Range of Accuracy). m Coordination meetings will be located at the Meridian Wastewater Treatment Plant or Meridian City Hall and will be no more than one (1) hour in duration. o Consultant's quality assurance manual and design delivery manual will provide the basis of the quality control program. o Owner will perform a timely review of submitfals and will provide a jingle set of reconciled review comments. Consultant schedule includes an allowance of up to seven (7) calendar days for Owner review of the PDR. Any duration longer than this will result in Consultant schedule adjusting accordingly. Secondary Effluent Flocculation Tank -Project #10356 Page 4 of 14 HDR Engineering, Inc. ® No document modifications will result from Idaho DEQ review and approval of the PDR and as such, Consultant schedule does not include Idaho DEQ review and approval time. o Direct expenses for travel (outside Ada County), printing, photocopying, and telephone conferences wild be billed to Owner. ®eliverables a Draft Preliminary Design Report (electronic file in .pdf format transmitted via e-mail). ® Final Preliminary Design Report (up to four (4) hard copies and electronic fife in .pdf format). © Meeting agendas (up to five (5) hard capies} and minutes (electronic copy in .pdf format transmitted via e-mail). ® Decision log and quality assurance fog summarizing comments and responses from draft review (electronic file in .pdf format transmitted via e-mail}. T~~~ 3fl0 - P~~JJECT 1ViAlk9Af~EIViIENT C)bjeetive The objective of this task is to provide scope, schedule, and cost control services during this task order. ~pprgach Communicate scope, schedule, and budget/fee status with the Owner and the project team through project management plan, telephone calls, and email communications. Monitor project progress including work completed, work remaining, budget expended, schedule, estimated cost of work remaining, and estimated cost at completion. o Prepare progress reports and invoices that summarize the work progress to date, budget expenditures to dale, and identify any information requirements or decisions that need to be made by the Owner. Provide a review of the concepts and criteria being applied to this task order with Consultant's wastewater treatment technical director ar designee. Assumptions ~ Owner will interface with Consultant on project issues. © If the scope changes during the life of the project, modification to the original contract agreement will be required per the terms and conditions of the agreement. o Invoice format will follow standard formal by the Consultant. Direct expenses for travel (outside Ada County}, printing, photocopying, and telephone conferences will be billed to Owner. Deliverables o Progress reports and invoices done (1) hard copy each month). Secondary Effluent Flocculation Tanl< -Project #10356 Page 5 of 14 HDR Engineering, Inc. TASl~( 400 - 60 PERCENT SUUIViITTAL Objective Provide a comprehensive set of design documents in sufficient detail to allow thorough review by City. This submittal provides the City the ability to influence the features of the design. Approach ® Develop critical drawings that define the size, configuration, process control and key features of the project components and initiate other drawings which show details and refinements. o General and Civil Drawings: Process flaw diagrams -draft final. m Hydraulic profiile-draft final. Q Site plan - 80% complete. Grading and paving plans - 80% complete. Yard piping plans -- 80% complete. Piping profiles, civil details and site details -- in progress. o Demolition Drawings: Plans and sections - 80% complete. o Structural and Process Mechanical Drawings: d Structure! and Process Mechanical plans - 80% complete. G Structural and Process Mechanical sections and details - in progress. o Electrical Drawings: ® Single-line diagrams -draft final. d Electrical site plan - 80% complete. tl Electrical plans, sections and details - in progress. Lighting plans, sections and details - in progress. ® Conduit and cable schedules - in progress. o Instrumentation and Control: P&IDs and control strategies -draft final. Network block diagrams -draft final. Draft final I/O list -draft final. o Control panel elevations and schematics - in progress. Insfrumentation details - in progress. m Develop technical and front end specifications to a "ffrsf draft" level. a Update opinion of probable construction cost. o Update equipment notebook with equipment data sheets and technical cui: sheets. 9 !-Jpdate construction sequencing plan and schedule previously developed for the f'rclirninary Design Report. Secondary Effluent Flocculation Tank -Project #10356 Page 6 of 14 HQR Engineering, Inc. ® Conduct up to two (2) coordination meetings with Owner staff and up to two (2) Consultant staff members during development of 60 percent submittal to discuss design concepts, Owner preferences, and to report progress. • Provide technical quality control review. 0 60 percent design development will include a submittal to the Owner for review and comment. ® Document decisions in a decision log and log Owner comments and Consultant responses in a quality assurance fog. Assumptions • Drawings will be prepared per industry standards and specifications will be prepared using the sixteen-division format of the Construction Specifications Institute. e Front-end specifications will be based upon Engineers Joinfi Contract Documents Committee (EJCDC) construction contract documents, 2007 version, and Standard General Conditions modified by Consultant's legal department. • The design will incorporate Consultant and Owner engineering and equipment standards to maintain consistency and compatibility with the Owner's facilities. ® Coordination meetings will be located at the Meridian Wastewater Treatment Plant or Meridian City Hall and will be no more than one (1) hour induration. ® Consultant's quality assurance manual and design delivery manual will provide the basis of the quality control program. a Owner will perform a timely review of the 60 percent submittal and will provide a single sefi of reconciled review comments. Consultant schedule includes an allowance of up to seven (7) calendar days for Owner review of the 60 percent submittal. Any duration longer than this will result in Consultant schedule adjusting accordingly. o Resolution of Owner comments will occur during the final design development phase. o Owner requested changes after the 60 percent design development phase will be negotiated via additional services. A Owner will participate in review meetings. a Architectural, HVAC, and Plumbing design will not be required. o Updated cost opinion will be for cost baseline monitoring. Consultant will attempt to provide a range of accuracy based upon AACE International Recommended Practice No. 17R-97, Class 2, 30 to 70 percent project definition,~-20% to -10% Range of Accuracy). © Direct expenses for travel (outside Ada County), printing, photocopying, and telephone conferences will be billed to Owner. Deliverab!€~s 60 Percent Draft Design Drawings (electronic file in .pdf format). © 60 Percent Draft Specifications (electronic file in ,pdf format). 6 Updated cost opinion, equipment data sheets and catalog cuts, and construction sequencing plan (electronic files .pdf format). <~ Meeting agenda {up to five (5) hard copies) and minutes (electronic copy in .pdf forma'c transmitted vi~t e-mail). Secondary Effluent Flocculation Tank - Project X10356 Page 7 of 14 HDR Engineering, Inc. ® Decision log summarizing decision made during coordination meetings, as requested (electronic fife in .pdf format transmitted via e-mail). TASK 500 -FINAL DESIGN SUBMITTAL AND BID PERIOD SERVICES Objective Present drawings and specifications signed. and sealed by appropriate registered engineers and print for Owner distribution to prospective bidders. Approach • Prepare final critical drawings that define the size, configuration, process control and key features of the project components and initiate other drawings which show details and refinements. o General and Civil Drawings -Final. o Demolition Drawings -Final. o Structural and Process Mechanical Drawings -Final. o Process Mechanical Drawings -Final. o Electrical Drawings - Final. o Instrumentation and Control -Final. ® Prepare final front end and technical specifications. ® Prepare final opinion of probable construction cost. ® Conduct up to two (2) coordination meetings with Owner staff and up to two (2) Consultant staff members during development of the final submittal to discuss design concepts and Owner preferences, and to report progress. © Submittal for approval to Idaho DEQ will occur with the final submittal. ~ Provide technical criteria, written descriptions, and design data for use by Owner in filing an application for a building permit with the City Building Department. m Document decisions in a decision log and log Owner comments and Consultant responses in a quality assurance log. ® Provide technical quality control review of final submittal. ® Prepare apre-bid conference meeting agenda and conduci a pre-bid conference at the project site. ® Document pre-bid conference attendees. o Document questions raised and answers provided during the pre-bid conference. ® Issue minutes of the pre-bid conference and the list of attendees as part of an addendum. e Issue up to three (3) addenda. Consult with Owner's legal representative before rnaking any recommendations of award that may involve waiver of formalities or irregularities in the bid. o Prepare engineer's recommendation of award based on bidder responsiveness, bid amount and authority to perform Work based on Idaho Public Works license status. Secondary Effluent Flocculation Tank - Project X10356 Page 8 of 14 }fDR Engineering, Inc. Assumptions ® Drawings will be prepared per industry standards and specifications will be prepared using the sixteen-division format of the Construction Specifications Institute. ® The design will incorporate Consultant and Owner engineering and equipment standards to maintain consistency and compatibility with the Owner's facilities. ® Coordination meetings will be located at the Meridian Wastewater Treatment Plant ar Meridian City Hall and will be no more than one (1) hour in duration. o Consultant's quality assurance manual and design delivery manual will provide the basis of the quality control program. ® Resolution of Owner comments from 60 percent design will occur concurrently during the final design development phase. ® No document modifications will result from Idaho DEQ review and approval of the final submittal and as such, Consultant schedule does not include Idaho DEQ review and approval time. ® Up to 29 drawings will be prepared far the Goagulation/Flocculation ~T~ank Improvements. ® Final drawing list is expected to be as described below. Note that Process and Structural drawings are merged and Architectural and Mechanical drawings are not included. Gonera0 Cover Sheet, Location Map, and Sheet Index General Abbreviations General Legends and Symbols Hydraulic Profile and Design Criteria Civil Overall Site Plan and General Notes Enlarged Site Grading and Paving Plan Piping Pfan and Profile SE Line I Sections and Defiails Structural and Process Overall Pfan Flocculation Tank Plan, Sections, and Details SE Pumping Plan, Sections, and Details Chemical Sfiorage Building Plan Filter Buildings Plan Sections and Details I Sections and Details 11 Standard Structural Notes Typical Concrete Details I Typical Concrete Defiails II Secondary Cffluent Flocculation Tank - Pz~ojact x#10356 Page 9 of 14 HDR F_ngineering, lnc. Electrical Electrical Legend and Symbols Electrical Details 1 Control Diagrams Schedules Single Line Diagram Chemical and Flocculation Electrical Plan Instrumentation and Controls Instrumentation Legend and Abbreviations Control System Block Diagram Chemical Addition P&ID SE Pump Station P&ID Local Control Panel Elevations © No new drawings or specification sections are expected following this submittal. Final opinion of probable construction cast will be for continued cost baseline monitoring, Consultant will attempt to provide a range of accuracy based upon AACE International Recommended Practice No. 17R-97, Class 1, 70 to 100 percent project definition,+10% to -~% Range of Accuracy). © Owner has an established procedure for advertising projects for bids in local newspapers and plan rooms and will develop a bid advertisement for this project. ® Up to two (2) Consultanfi staff members will attend the pre-bid conference. o Consultant will avoid providing interpretation of documents during the Pre-Bid Conference unless the document intent is clear. Owner legal personnel, not Consultant, will answer any legal question. ® Owner's staff will contact appropriate contractors, subcontractors and equipment suppliers to advise them of the date that project is being advertised. © General contractor/bidder prequalification will not be conducted. ® Owner will distribute bid packages and log an official Plan Holders List ® During the advertisement phase, all correspondence regarding the project will be directed to or coordinated by the Owner's Project Manager to ensure response consistency. o Owner wilt send a complete copy of each addendum to all official plan holders of record. Plan holders with multiple sets of Bidding Documents should be sent multiple copies of the addendum. ® Owner will open bids at the place and time advertised. Owner will verify Contractor's financial resources, experience, safety record, technical skills, ability 'to comply with the schedule, and past performance record. o Owner will verify bid bond amounfi and bonding company ratings and certifications. o Owner will contact contractor surety and bank reference. o Conformed documents will not be prepared. Secondary Effluent Flocculation Tank -Project #10356 Page 10 of 14 HDR Engineering, Inc. Direct expenses for travel {outside Ada County}, printing, photocopying, and telephone conferences will be billed to Owner. Deliverables • Final Design Drawings (Up to ten (10} 11 inch x 17 inch hard copies, plus electronic copy in .pdf format) ® Final Specifications (Up to ten (10) hard copies, plus electronic .pdf format) o Final opinion of probable construction cost (electronic copy in .pdf format). ® Pre-bid conference agenda (up to ten {10) hard copies) and minutes (electronic copy in .pdf format transmitted via e-mail). • Addenda (electronic copy in .pdf format transmitted via e-mail). TASK 600 - ENGIPJEERING SERVICES DURING CONSTRUCTION Objective Provide construction phase design services that are integrated with the construction phase construction management services provided by City of Meridian. Approach o Review up to forty (40) required shop drawing submittals and up to five (5) operations and maintenance manuals. ® Provide Design Discipline site visits: o Conduct up to two (2) site visits far purposes of attending the pre-construction meeting and observing that construction is progressing in general conformance with the design intent and contract document requirements. o Respond fio sifuations of either changed conditions or defective Work for purposes of identifying corrective actions o Meet and confer with Owner's Resident Project Representative and Contractor Superintendent or Project Manager to identify possible solutions to changed conditions or defective Work. o Document Site visit. Provide technical review and prepare response to up to fifteen (15) Requests for Information (RFI}: o Review and drafi: responses to RFIs. o Communicate with Owner's Resident Project Representative or Contractor to confirm understanding of salient aspects of the request. o Transmit draft response to Owner's Residenfi Project Representative. ® Provide technical suppori of design-related contract modifications: o Review and comment on technical descriptions of up to five (5) Owner prepared Field Orders. o Review and comment on technical descriptions of up to five (5} Change Proposal Requests (CPR). Secondary Effluent Flocculation Tank -Project #10356 Page 11 of 14 HDR Engineering, Inc. Assumptions Consultant's review of required shop drawings is for conformance with the design concept and reviews are limited to the original submittal and one (1) re-submittal per specification section. Construction Contract Documents will state that all costs associated with the review of any Shop Drawing resubmitted more than once shall be borne by the Contractor with said costs being deducted from the Contractor's Contract Price and amended to Consultant's professional services fee. Direct expenses for travel (outside Ada County), printing, photocopying, and telephone conferences will be billed to Owner. ®eliverables 0 Consultant responses to shop drawing and operations and maintenance manual submittals {electronic copy in .pdf format transmitted via e-mail). Consultant site visit reports (electronic copy in .pdf format transmitted via e-mail), if requested. o Consultant responses to requests for information (electronic copy in .pdf format transmitted via e-mail}. o Consultant comments on field order and change proposal requests (electronic copy in .pdf format transmitted via e-mail). TASK 700 - FACILITY START-UP AIV® ®EMONSTFZATtON REVIEW AND CHEMICAL PHOSPHORUS REMOVAL ASSISTANCE Objective Witness and record the Facility Start-up and Demonstration Period and identify the combination of coagulant and polymer which leads to low effluent phosphorus. Approach o Obtain the Contractor's start-up plan and provide comments to Owner's Resident Project Representative. o Conduct up to four (4} 4-hour site visits to observe, record and report the progress of the initial starting of equipment and the Demonstration Period. o Upon satisfactory completion of the Demonstration Period, provide a report to the Owner's Resident Project Representative for executing the Certificate of Substantial Completion. o Obtain list of cloth media manufacturers' approved flocculation/coagulation chemicals, including cationic and anionic polymers, and range of doses. © Provide assistance to Owner during Owner full-scale testing of coagulant and polymer. Up to five (5) 2-hour conference calls with up to two (2) consultant staff members have been budgeted for this assistance. Assumptions o Owner will obtain Contractor's start-up plan and provide to Consultant. o Direct expenses for travel (outside Ada County), printing, photocopying, telephone conferences, and technology will be billed to Owner. Secondary Effluent Flocculation Tank -Project #10356 Page 12 of 14 HDR Engineoring, Inc. Deliverables ® Consultant comments on Contractor's start-up plan (electronic copy in .pdf format transmitted via e-mail). • Meeting minutes from assistance conference calls {electronic copy in .pdf format transmitted via e-mail). TIDE ~ ~®P~E~°i®~ end C®iV~PEiVSA~ ~®N SCFiE®IJL~ The following schedule is based on a Notice to Proceed {NTP) from the City by Jufy, 25, 2Q12 and resulting in Final Design being completed by February 1, 2Q13. A NTP issued on a differenfi dafie will change the schedule accordingly. COMPENSATION AND COMPLETION SCHEDULE Task Description Due Date Compensation 100 Project Management ~ Duration of Task Order ^ $6,239.00 200 Preliminary Engineering ~ September 30, 2011 ~ $43,550.OOk 300 Project Management #2 4 Duration of Task Order FY13 ^ $13, 609.00 400 60 Percent Submittal ^ November 23, 2012 * ~ $42,433.00 500 Final Design Submittal and Bid Period Services ^ February 1, 2013 * ^ $60,946.00 600 Engineering Services During Construction ~ Augusf 13, 2013 ** $26,049.00 700 Facility Starf-Up and Demonstration Review and Chemical Phosphorus Removal Assistance ~ September 27, 2013 ** $6,280.00 TASK ORDER TOTAL: $199,106.00 Assumes a NTP of ®ctober 1, 2012. If the NT6~ its delayed, the Consultant project schedule will shift correspondingly. k~ Assumes a construction substantial completion date of August 16, 2013. If substantial completion is delayed, the Consultant pro~ecf: schedule will shift corresp®ndingly Secondary Effluent Flocculation Tank -Project ##10356 Page 13 of 14 11DR Engineering, Inc. The Not-To-Exceed amount to complete all services listed above for this Task Order No. 10356 is One Hundred Ninety Nine Thousand, One Hundred Six dollars ($199,106.00}. No compensation will be paid over the Not-to-Exceed amount without prior written approval by the City in the form of a Change Order. The hourly rates for services and direct expenses are per the Master Agreement (by this reference made a part hereof) and will be the basis for any additions andlor deletions in services rendered. Trave( and meals are excluded from this Task Order unless explicitly listed in the Scope of Services AND Payment Schedule. Compensation is scheduled to be paid from two different fiscal years, FY12 and FY13. Currently $49,789.00 has been budgeted for this year (FY12} and it is anticipated that Council will approve the budget for the remainder of the project ($149,317.00) in FY13 for aNot-To- Exceed total of $199,106.00. Therefore, continuation of this contract past the FY12 budget amount of $49,789.00 is subject to the appropriation of funds for such purpose by the City Council. If funds to effect such confinued services and payment are not appropriated, CITY may terminate this Agreemenfi as thereby affected and Contractor will relieve CITY of any further obligation. CITY OE MERIDIAN HDR ENGINEERING, INC. '~ ,,.. . `~~i , BY: ~ BY: ~ v - TAMMY de V~RD, MAYOR Karen M. Doherty, Vice President Dated:-~_ _ _! , Dated: ~ ~ ~,~ , , ~ ,-- - • `. Approved by o~o~AZ~D nucUSrl 3~ r9° J'~CEE~C /HOLMAN, CITY CLERK ~..~>~~.'='i ~~\ 1"1.~-~'" TIDAHO ~n SEAL r Purchasing Approval A"rF~°~e ~~~ ~t A oval KEi ATT ,Purchasing M~nager WA REN ST WART, Engineering Manager DATE: a ice. _ . City Projec ~Ma ager (~'~z. Secondary Effluent Flocculation Tank -Project #10356 Page 14 of 14 HDR Engineering, Inc.