Municipality Of Bayambang Pangasinan Tender

Description Terms Of Reference Procurement Of Service For Flood Study Of Bayambang (hydrologic And Survey Works) Statement Of Compliance1 A. Introduction The Local Government Unit Of Bayambang, Pangasinan Is Seeking A Design Consultant To Develop Its Master Flood Control Project Within The Bayambang Downtown Area For Implementation. As Part Of The Initial Stage In The Project Development Cycle, Flood Control Master Planning And Feasibility Studies Assessing The Technical, Economic, Environmental, And Social Impacts Of The Project Are Required.; The Proposed Conduct Of Data Gathering, Existing Road Topographic Survey And Investigations, Hydrology-flood Survey, And Economic Evaluation For The Feasibility Study Of This Project Is Envisaged To Be Undertaken By A Local Consultant To Be Outsourced By The Local Government Unit Of Bayambang, Pangasinan, With The Assistance Of The Municipal Engineering Office (meo), Municipal Planning And Development Office (mdpo),municipal Disaster Risk Reduction And Management Office (mdrrmo), And Ecological Solid Waste Management (eswmo). The Output Of The Consulting Service Shall Be The Conduct Of The Feasibility Study Of Bayambang Flood Control Master Plan. The Bayambang Flood Control Within The Municipality Of Bayambang, Pangasinan. Those Rivers Which Transverses In The Middle Of The Main Town Of Bayambang. During Typhoons, The Bayambang Town Proper And Parts Of Its Nearby Barangays Experience Flooding Which May Be Brought By The Shortage In Canals And Outlets And Being A Low Land Area. Further Study Is Needed To Properly Address The Needed Countermeasures And Solution To Prevent Flooding In The Mentioned Affected Areas. B. Objectives The Consultants Shall Prepare A Suitable Optimal Program Of Investments For The Project, Which Would Be Consistent With The Government’s Development Plans. The Consultants Shall Also Identify The Complementary Investments Needed To Ensure The Success Of The Road Investments. By The End Of The Consulting Period, The Consultants Is Expected To Produce A Comprehensive Feasibility Study Based On Updated Information With A Definite Implementation Plan Of The Recommended Scheme Based On The Alternatives/ Configurations Considered, Among Others, Including The Preliminary Engineering Concept/ Design And Economic Evaluation. Specifically, It Aims To Achieve The Following Undertakings: 1. Establish The Flood Control Master Plan, Policy, Strategy, Target Design Flood Magnitude And Drainage System Improvement Work And Tributaries With Consideration On Adaption On Climate Change Based On Accepted Projection; Consulting Services For The Data Gathering, Surveys And Investigations Of The Feasibility Study Of Bayambang Flood Control Master Plan 2. Identify All Possible Alternative Flood Mitigation Measures And Effective Water Infrastructure Based On Integrated Water Resource Management Principles, Including Sediment Control Works, If Necessary; 3. Recommend And Formulate Appropriate Non-structural Measures Such As Flood Hazard Mapping, Land Use Control, Flood Forecasting And Warning, Identification Of Evacuation Areas/ Routes, Solid Waste Management, Watershed Management, Etc. For Flood Disaster Risk Reduction And Management; 4. Identify Possible Geological And Geotechnical Hazards And Recommend Structural And Non- 1remarks: Bidders Must State Here Either “comply” Or “not Comply” Against Each Of The Individual Parameters Of Each Specification Stating The Corresponding Performance Parameter Of The Equipment Offered. Statements Of “comply” Or “not Comply” Must Be Supported By Evidence In A Bidders Bid And Cross-referenced To That Evidence. Evidence Shall Be In The Form Of Manufacturer’s Unamended Sales Literature, Unconditional Statements Of Specification And Compliance Issued By The Manufacturer, Samples, Independent Test Data Etc., As Appropriate. A Statement That Is Not Supported By Evidence Or Is Subsequently Found To Be Contradicted By The Evidence Presented Will Render The Bid Under Evaluation Liable For Rejection. A Statement Either In The Bidder's Statement Of Compliance Or The Supporting Evidence That Is Found To Be False Either During Bid Evaluation, Post-qualification Or The Execution Of The Contract May Be Regarded As Fraudulent And Render The Bidder Or Supplier Liable For Prosecution Subject To The Applicable Laws And Issuances. Njq-serv-08-2024-053 Procurement Of Service For Flood Study Of Bayambang (hydrologic And Survey Works) - Re-bid ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ 19 | P A G E Terms Of Reference Procurement Of Service For Flood Study Of Bayambang (hydrologic And Survey Works) Statement Of Compliance1 Structural Measures To Reduce The Effects Of These Hazards; 5. Formulate Flood Control Project Implementation Plan; 6. Prioritize Projects Based On Technical, Economic, Social And Environmental Feasibility; 7. Recommend, Formulate And Prepare Necessary Data/ Information For The Detailed Engineering Design Stage Of The Target Flood And River Basin Areas And Tributaries; 8. Estimate The Quantities And Cost Of Each Component Of The Project; C. Scope Of Consulting Services The Scope Of Consulting Services Will Involve The Preparation Of The Master Plan, Detailed Feasibility Study Report Including The Environmental And Social Assessments Which Is The Subject Of The Terms Of Reference (tor). The Consultant's Scope Of Work Will Cover But Not Necessarily Be Limited To The Items Listed Hereunder:  Scope Area For The Proposed As-built Survey And Topographic Survey Is 6.16 Hectares.  Scope Area For The Proposed Hydrographic Survey And Analysis Is 140 Hectares The Consultants Will Conduct: 1. General 1.1 Perform Field Reconnaissance Of The Study Areas With Regards To: A. The Existing Situation Of The Rivers, Waterways, Existing Drainage System (including Existing Infrastructure) B. The Existing Situation Of Irrigable Lands C. Tentative Identification Of Alternative (possible) Flood Mitigation Measures D. Locally Available Data On Socio-economic Activities 1.2 The Consultant Shall Perform Field Investigation Of The Study Areas With Regards To: A. Additional Information On The Existing Situation (condition) Of The Flood Prone Areas B. Identification Of Alternative Improvement Plan C. Potential Environmental Impact Of Projects On Natural And Socio-cultural Setting And Hazards That Could Impact On The Project 1.3 The Local Government Unit Of Bayambang Will Provide The Available Data And Reference Materials, But The Consultant/s Shall Remain Solely Responsible For Assessing The Accuracy Of The Data; For The Preparation Of All Field Surveys And Investigations And For The Findings And Recommendation Arising Therefrom And Presented In Their Reports; 1.4 The Study Shall Be Performed In Accordance With Accepted Professional Standards Utilizing Sound Engineering, Economic Evaluation Practices, And Environmental And Social Safeguards Requirements. The Consultants Shall Adopt Any Of The Accepted Evaluation Models Which Are Also Being Used By Dpwh; 1.5 The Consultant Shall Recommend Technical Solutions With Respect To Type Of Improvement And/or Construction Required And Appropriate Justification; And 1.6 The Consultant Shall Coordinate With The Implementing Office’s Representative With Regards To The Environmental And Social Safeguards Issues During Technical And Economic Evaluation. 1.7 The Consultant Shall Conduct Research On All Available Studies And Scenarios Regarding Climate Change And Incorporate Its Possible Effects In The Flood Risk Of The Target Flood Control Project (i.e. Rainfall Intensity And Frequency, Extreme Events, Etc.) And Indicate The Possible Impact Mitigation. Njq-serv-08-2024-053 Procurement Of Service For Flood Study Of Bayambang (hydrologic And Survey Works) - Re-bid ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ 20 | P A G E Terms Of Reference Procurement Of Service For Flood Study Of Bayambang (hydrologic And Survey Works) Statement Of Compliance1 1.8 The Study Shall Be Undertaken In Accordance With The Planning Guidelines On Integrated Water Resources Management (dpwh — The World Bank, 2016). 2. Detailed Scope Of Works 2.1 Consolidation Of Data/ Information The Consultant Shall Gather All Information Of The Study From The Different Government Agencies Listed Below: 2.1.1 Office Of Civil Defense — National Disaster And Risk Reduction Management Center/ Provincial Disaster Risk Reduction Management Office / Municipal Disaster Risk Reduction Management Office (ocd — Ndrrmc/pdrrmo/mdrrmo) The Consultant/s Shall Identify The Following For The Respective Study Area: - Historical Flood And/ Or Debris Flow Events - Location Of Flood Prone Areas - Frequency Of Flooding For The Past 10 Years - Maximum Flood Depth, Duration (hours) - Dates Of Occurrence Of Flooding - Normal Flood Depth, Duration (hours) - Name Of Particular River From Which Flood Water Has Overflowed - Flood Damage Survey Reports With Corresponding Typhoon Event 2.1.2. Administrative Information (local Government Units) - Comprehensive Land And Water Use Plan - Population Growth Distribution - Regional Economic Growth Capita - Development In The Study Area With Respect To Its Agricultural And Forestry, Tourism (public And Private Plans), Manufacturing And Processing Industries, Mining, Untapped Resources And Infrastructures - Socio-economic Profile 2.1.3 Philippine Atmospheric Geophysical And Astronomical Services Administration (dost - Pagasa) Secure Updated And Certified Data Such As The Study Area’s Hydrologic, Climatic, And Meteorological Conditions. 2.1.4. Department Of Environmental And Natural Resources — Environmental Management Bureau/ Mines And Geoscience Bureau (denr — Emb/mgb) Verify The Land Use Classification, Protected Areas And Environmental Conditions (river Morphology, Utilization Of Riverbed Materials, Mining Activities And Watershed Situation) Of The Study Area. 2.1.5 Department Of Agriculture - National Irrigation Agency (da - Nia) Identify The Water Supply And Irrigation System Of The Study Area. 2.1.6 Department Of Public Works And Highways Determine The Different Locations Of Water Supply And Existing Flood Control Structures Such As Drainage Outlets, Sabo Facilities, Etc. Basic Analysis With The Consolidated Data Gathered, The Consultants Shall Perform Hydrologic Analysis Using Njq-serv-08-2024-053 Procurement Of Service For Flood Study Of Bayambang (hydrologic And Survey Works) - Re-bid ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ 21 | P A G E Terms Of Reference Procurement Of Service For Flood Study Of Bayambang (hydrologic And Survey Works) Statement Of Compliance1 Hydrological Models Within The Limits Of The Catchment Area That Will Provide The Appropriate Recommendation For The Flood Mitigation Measure. 2.2 Rainfall Analysis Gather Available Data Such As Climatological And Rainfall Data Of The Project Area. Probable Rainfall Shall Be Estimated For Use In The Determination Of Probable Discharge And Planning For The River Improvements In The Study Area. The Consultant Shall Use The Runoff Modeling Software Subject To The Approval Of The Proponent, Which Shall Be Supported By The Following Data To Be Collected, Gathered And Established: - Delineated Sub-drainage Using Gis Software - Modeling Of Drainage System - Data Preparation For Hydraulic Elements Of The Drainage System Model - Calculation Of Effective Rainfall 2.3 Hydrologic Analysis Gather Information From Concerned Local Government Agencies Regarding Any Proposed Drainage Improvement And Flood Mitigating Measures That May Have Significant Impact On The Flood Condition In The Area. Using Gathered Available Data, The Consultant Shall Conduct Hydrologic Analysis To Establish The Design Rainfall And Design Discharges At The Point(s) Of Discharge (15, 20, 50, And 100-year Return Period) For Comparison. For Flood Damage Assessment, Comparison Between 50 And 100 Are Necessary To Establish The Flood Prone And High-risk Areas Which Include Private And Government Properties. 2.4 Flow Capacity Analysis Flow Capacity Of Main And Important River Channels (tributaries) Shall Be Determined And Evaluated And Then Compare The Results With Probable Discharges For Present And Future Land Use Conditions. The Consultant Shall Compute The Existing Drainage System Discharge Capacity Including Those Of The Reference And Sub Reference As Well As Analyze The Water Surface Profile For The Probable Flood Discharge Of 10, 25, 50, And 100 Year Return Period Using Preferred Software For The Analysis. Identify Catchment Areas, Downstream, And Upstream Of The Whole Project And Its Adjacent Properties. Identify The Natural Drainage Outfall And Other Possible Point(s) Of Discharge, Develop Schemes To Effectively Divert And / Or Discharge Runoff From The Property And Off-site Sources To A Creek, River Or To The Nearest Existing Drainage Line, Whichever Is Possible. 2.5 Flood Inundation And Damage Analysis Conduct Field Investigation In The Vicinity Of The Project Area And Establish The Extend And Magnitude Of The Flood Occurrence And Obtain Relevant Hydrological Information Such As Flood Depths, Duration, Flood History And Flood Marks. Identify Flood Prone Areas Through Flood Inundation Maps And Flood Levels. Establish The Estimated Flood Levels At The Critical Points In The Projects Area. Establish The Most Economical Development Finish Grade Line Elevation Of The Property. Njq-serv-08-2024-053 Procurement Of Service For Flood Study Of Bayambang (hydrologic And Survey Works) - Re-bid ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ 22 | P A G E Terms Of Reference Procurement Of Service For Flood Study Of Bayambang (hydrologic And Survey Works) Statement Of Compliance1 The Consultant Shall Perform Flood And Damage Mapping Analysis For 10, 25, 50 And 100 Year Flood Return Periods, And Shall Be Undertaken For The Following Conditions: - Without The Improvement - With The Improvement Flood Model Shall Be Used To Make Graphical And Actual Numerical Methods And Representation Of The Extent Of Inundation And Depth. Software (e.g. Arc Gis, Auto Cad, Hec-geo/ras And Grass Gis) Must Be Of The Latest Version. Flood Damage Shall Be Estimated From The Quantity Of Assets Affected, Values Of Assets And Damage Rates, Which Is A Function Of Inundation Depth. Effects Of Climate Change Shall Be Given Due Consideration In The Above Analysis. 2.6 As-built Survey The Consultant Shall Conduct Field Survey To Locate Significant And Permanent Structures Such As Road, Sidewalks, Curb And Gutter, Electrical And Telephone Poles, Drainage Facilities, Sign Boards, Bridges, Tress, Manholes, And All Other Improvements Situated Within The 6.16 Hectares Area As Stated. Preparation Of As-built Map - The As-built Map Maybe Incorporated With The Topographic Map If It Is Not Too Crowded Or Muddled. Other Specifications And Requirements Of The Design Architect/ Engineer Shall Also Be Part Of The Scope As Approved By Both Parties Topographic Survey (0.50-meter Contour Interval) – Preparation Of Topographic Survey Plan With 0.5-meter Contour Interval. Establishment Of Horizontal And Vertical Control From The Existing Reference Points To Serve As Reference Of The Survey. To Conduct Field Survey To Locate Ground Points And Significant Features Of The Terrain Within The Project Site Such As Large / Significant Trees, Power Poles, Transmission Towers, Creeks (top Banks), River (top Banks), Structure And Utilities Visible On The Surface And Existing Roadway Relative To The Property Line. Survey Operations And Preparation Of As-built Survey, Topographic/ Hydrographic Survey Plans/ Returns - The Conduct Of Topographic And Hydrographic Surveys And Preparation Of Plans Shall Be Undertaken / Supervised By A Registered Geodetic Engineer. All Plans Shall Also Be Signed And Sealed By A Registered Geodetic Engineer. The Consultant Shall Prepare The Following Plans (a1 Size Mylar Sheets Or Any Equivalent Paper) As To Quality Of Workmanship And Conformity With The Following Requirements: General Requirements Title Sheet Location Plan  Title Of The Project  Location Plan Showing The Adjoining Towns, Municipalities/barangays  Vicinity Map  General Notes For Survey Work, Including Survey Accuracy Used  Legends, Symbols And Abbreviations  Index Map  Technical Description Of All Controlling Points Plans And Profile Njq-serv-08-2024-053 Procurement Of Service For Flood Study Of Bayambang (hydrologic And Survey Works) - Re-bid ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ 23 | P A G E Terms Of Reference Procurement Of Service For Flood Study Of Bayambang (hydrologic And Survey Works) Statement Of Compliance1  Project Area Plotted In Grid Coordinates System  North Arrow Direction  Match Line Stationing In Every Sheet Of The Plans- Indicate All Topographic/ Physical Features Within The Limits Of Survey Area  Indicate Right-of-way/ Easement Limits  Contour Lines With Elevation In Meters  Ordinary Water Level (owl)  Maximum Experienced Flood Level (mefl)  Technical Description Of Old And New Established Horizontal And Vertical Ground Controls  Name And Location Of Natural And Man-made Features (rivers, Bridges, Etc) Box Culverts, Reinforced Concrete Pipes, Other Waterways Properly Plotted With Correct Direction Of Water Flow Indicating The Waterline Elevation  Land Use Classification Such As Rice Field, Tree Plantation, Etc.  Reference Points  Date And Time Of Survey  Gps At Every 500m, Bms At Every 500m And Ibms At Every 250m Interval, Respectively  Waiver Drafted In Every Sheet Of Plans  Name With Signature, License Number, Signature And Seal Of The Geodetic Engineer  Names Of Signatories/ Approving Officials In Every Sheet Of Plans  Profile Along The Road Centerline And Along The Left And Right Drainage Canal (top And Bottom) All Throughout The Length Of The Project Cross-sections  Cross-sections Plotted By Coordinates  Stationing For Every Cross-section As Indicated In The Plans With 5-meter Interval  Ordinary Water Level (owl)  Maximum Experience Flood Level  Indicate Actual Channel Configuration Such As Drainage Canals, Drainage Structures, Bridges And Other Hydraulic Structures And Waterways  Indicate Properties Affected Within The Row/ Easement Limits (house, Fences, Trees, Etc.) Survey Report To Include The Following: - As-built Survey, Topographic/ Hydrographic Survey Plans/ Returns – To Provide Soft & Hard Copies - Certification From The National Mapping And Resource Information Authority (namria), Denr Of Horizontal And Vertical Reference Points - Location/ Sketch/ Pictures Of Established Ground Controls (geotagged Pictures) - Survey Returns/ Computations - Pictures Of Existing Drainage System, Creeks, River Structures And Survey Activities - Certificate Of Calibration Of Survey Equipment Used - Digital Files Shall Include Survey Points In A Spreadsheet (excel), Plans And Profiles In Autocad And Geotagged Pictures Of All Established Control Points. 2.7 Cross-section Survey Of The Reference And Sub-reference Point Of The Drainage System The Consultant Shall Conduct Cross-section Survey For Each Of The Reference And Sub-reference Points, Including Two Surveys (upstream And Downstream) Of The Identified Area For Improvement And/or Protection. The Drainage Canal Mouth Should Always Be Considered If The Area To Be Constructed Is Located Near The River Or Creek. For The Main Canal / Drainage And Important Tributaries, Topographic, Hydrographic And Crosssection Survey Shall Be Extended From Fifty (50) Meters To One Hundred (100) Meters Beyond The Riverbanks And Shall Cover The Probable Inundation Area Of The Significant Regions. In Sections Njq-serv-08-2024-053 Procurement Of Service For Flood Study Of Bayambang (hydrologic And Survey Works) - Re-bid ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ 24 | P A G E Terms Of Reference Procurement Of Service For Flood Study Of Bayambang (hydrologic And Survey Works) Statement Of Compliance1 Where No Significant Overflow Occurs, Extension Of Survey Shall Also Be Conducted Up To 50 Meters Or More Beyond The River Banks. Establishment Of Design Discharge: The Consultant Shall Adopt The Following Guidelines In The Design Of Flood Control Structures In Accordance With Dpwh Design Guidelines, Criteria And Standards (dgcs), Volume 3: Water Engineering Projects, 2015 Edition. The Consultant Shall Establish Alternative Structural Measures For Flood Control And Prepare The After Establishment Of The Improvement, The Consultant/s Shall Prepare A New Runoff And Water Surface Profile Determination Analysis For Each Possible Improvement, And Identify The Better Alternative And Combination Of Counter Measure. Corresponding Preliminary Design. 2.8 Non-structural Measures  Flood Plain Management  Watershed Management, Zoning And Land Use  Flood Hazard Map  Warning And Evacuation Plan  Solid Waste Management  Others The Consultant Shall Recommend The Above Non-structural Measures To Complement The Structural Measures For An Optimum Drainage / Creek Improvement Plan. 2.9 Summary Of The Short Term And Long-term River / Creek / Drainage Improvement Plan (master Plan) Short-term River / Creek / Drainage Improvement Plan Shall Be Established To The Priority Areas To Be Constructed And Rehabilitated. Long-term River / Creek / Drainage Improvement Plan Shall Be Proposed To Augment The Necessary Flood Control Plan Of The Drainage System, This Includes Multi-purpose Dam, Retarding Basin, Diversion, Etc. Environmental Impact Assessment (eia) The Eia For The Master Plan Shall Be Prepared After The Alternatives Are Proposed. Each Alternative Will Be Subjected To Analysis Corresponding To The Expected Impacts, Which May Cover The Following Contents A. Existing Environmental Baseline Conditions; B. Potential Environmental Impacts: Positive Or Negative, Direct Or Indirect And Temporary Or Permanent; And C. Preventive, Mitigatory, And Compensatory Measures, Generally In The Form Of An Environmental Mitigation, Or Management Plan Gender And Development (gad) 2.9.1. Undertake Public Consultation Or Multi-stakeholders’ Forum And Identify Gender Issues And Concerns In The Involvement Of Women, Youth, Senior Citizens And Disabled Persons In Infrastructure Development. Women Should Constitute At Least 30% Of The Total Participants; 2.9.2. Ensure That All Data That Will Be Gathered For The Study Concerning The Affected Population Groups Are Sex-disaggregated; 2.9.3. Conduct Gender Analysis With The Aim To Develop Gender-based Information On The Njq-serv-08-2024-053 Procurement Of Service For Flood Study Of Bayambang (hydrologic And Survey Works) - Re-bid ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ 25 | P A G E Terms Of Reference Procurement Of Service For Flood Study Of Bayambang (hydrologic And Survey Works) Statement Of Compliance1 Following: O Trend Of Employment Of Women At All Level (actual Construction, Technical And Management) In Infrastructure Projects Or Services. O Capacity Of Women, Women’s Groups, And Gender Equality Institutes And Ngos Located In The Proposed Project Area Who Can Be Consulted To Influence Decisions About The Planning, Design, Operation, And Maintenance Of Infrastructure Facilities. O The Number Of Families, Men, Women, Boys And Girls, As Well As The Number Of Female Headed Households Resettled As A Result Of The Construction Of The Infrastructure, Access Of Women To Water, Health And Transport Services, Etc. Since It Is Noted That The Involvement Of Women In Infrastructure Development Is Very Limited. 2.9.4 Integrate Gender Sensitive Criteria Into Planning, Design, Implementation, Monitoring And Evaluation Of Programs, Projects And Initiative; 2.9.5 Formulate Gender Equality Cost And Benefits In The Economic Evaluation; . 2.9.6 Accomplish The Gender Responsiveness Checklist (see Annex 6) For The Icc Process As Required By The Department Of Finance (dof) And The National Economic And Development Authority (neda) By Adopting The Harmonized Gender And Development Guidelines (hgdg) And Providing Supporting Documents. 3. Feasibility Study The Scope Of Consulting Services Shall Involve The Preparation Of A Feasibility Study Of Flood Control Including The Economic, Environmental And Social Assessment For The Selection Of The Optimum Plan. 3.1 Cross-section, Topographic And Hydrographic Survey Of The Target Area The Consultant/s Will Conduct Topographic And Hydrographic Survey Of The Target Area For Improvement. Cross-section Will Be Conducted Every 5-meter Interval And Offset Of 5-meter (left And Right Side Of The Proposed Or Existing Drainage Canal). The Leveling Shall Be Tied To The Existing Government Benchmarks In The Area (i.e. Existing Benchmarks Of Dpwh, Dgcs And/or Namria). For Basins With Proposed Improvements Like Construction Of Multi-purpose Dam, Sabo Dam, Flood Way And/or Re-channeling, Additional Survey Points Shall Be Considered. 3.2 Survey Operations, Requirements And Submittal Of Plans: All Requirements Of Surveys Not Expressly Specified Herein Shall Be Supervised By Registered Geodetic Engineers And Conform To The Provisions Laid By The Manual For Land Surveys In The Philippines (land Administrative Order No. 4, Bl) And Design Guidelines, Criteria And Standards (dgcs) 2015 Edition Of Dpwh Volume 2b, Part 1 And/ Or Reference Manual For Surveys And Investigation Of Public Works And Highway Projects. The Consultant Shall Submit The Topographic And Hydrographic Plans In A1 Size Paper Together With All Survey Information/ Data Recorded To The Implementing Office. Once Approved, The Plans Shall Be Stored In Electronic Format And Submitted To The Implementing Office. The Review And Approval Of The Said Survey Plans By Dpwh Do Not Relieve The Consultant From Responsibility For The Accuracy Of The Survey Works And Permanency Of The Horizontal And Vertical Ground Controls And Reference Stations Due To Impregned Placement. 3.3 Cost And Benefit Analysis Cost Estimate Will Include, But Not Limited To The Following: Njq-serv-08-2024-053 Procurement Of Service For Flood Study Of Bayambang (hydrologic And Survey Works) - Re-bid ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ 26 | P A G E Terms Of Reference Procurement Of Service For Flood Study Of Bayambang (hydrologic And Survey Works) Statement Of Compliance1 A. Estimates Of Economic And Financial Costs, And B. Estimates Of Future Costs 3.4 Benefits To Be Derived Will Include, Among Others, The Following: A. Reduction Of Loss Of Lives And Damage To Properties (agriculture, Private And Public), And B. Increased Economic Activity Directly Induced By The Project I.e. Net Value Added Of Increased Agricultural Production Or Induced Tourism Benefits Vis-a-vis Generated Flood Free Benefits Benefit And Cost Estimation Of The Structures Shall Be Carried Out By The Consultant To Determine The Viability Of The Project. 3.5 Geological And Geotechnical Investigations/ Surveys Review/ Study The Geological Conditions In The Areas Traversed And, On The Basis Of Geotechnical Investigations Performed (and Also Utilizing All Available Data), Provide Appropriate Recommendations And Design Criteria To Permit Proper Foundation Design; 3.6 Implementation Timeline The Project Duration For The Provision Of The Services Described In The Preceding Section, Scope Of Work Such As The As-built Survey, Topographic/ Hydrographic Survey Plans/ Returns Will Be Completed In Maximum Period Of Seventy-five (75) Calendar Days. The Scope Of Works Shall Start Upon Issuance Of Notice To Proceed (ntp). The Time Of Completion Of All Works Shall Only Be Extended For Such Period As Maybe Necessary. 3.7 Progress Billing Downpayment – 15% First Progress Billing – 25% Upon Submission Of As-built Survey And New Topographic Final Report Second Progress Billing – 25% Upon Submission Of Hydrographic Survey Plans And Flood Discharge Return Period Analysis Final Billing – 35% Upon Submission Of Feasibility Study Repor