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Cost Proposal RKA CONSULTING GROUP Proposal
Submitted by: RKA Consulting Group 398 Lemon Creek Drive, Suite E Walnut, CA 91789 www.rkagroup.com (909) 594-9702 City of Diamond Bar Cost Proposal for: FY 25/26 Civil Engineering Design Services for: Residential & Collector Streets Rehabilitation, Arterial Streets Rehabilitation, and Residential Neighborhood ADA Curb Ramps Improvement Project City Project No. S1261 November 10, 2025 Submitted to: David G. Liu,P.E. Director of Public Works/City Engineer City of Diamond Bar 21810 Copley Drive Diamond Bar, CA 91765 B Cost Proposal- Submitted Separately Project Description Design Fee Project 1 ADA Curb Ramp Improvement Project (Area 6) Project 2 Arterial Street Rehabilitation: ● Brea Canyon Rd: Diamond Bar Blvd. to Pathfinder Rd. ● Brea Canyon Rd: Pathfinder Rd. to Washington Ave. ● Diamond Bar Blvd: SR-60 Off-Ramp to City Limit Project 3 ADA Curb Ramp Improvement Project (Area 7) Project 4 Residential & Collector Streets Rehabilitation (Area 5) Project 5 Arterial Street Rehabilitation: ● Pathfinder Rd: Diamond Bar Blvd. to City Limits. Total Amount Base Bid Items Optional Items Project 6 ADA Curb Ramp Improvement Project (Area 1) Project 7 Residential & Collector Streets Rehabilitation (Area 6) Project 8 Arterial Street Rehabilitation: ● Grand Ave: Diamond Bar Blvd. to Lavender Dr. ● Diamond Bar Blvd: Clear Creek Canyon Dr. to Golden Springs Dr. Project 9 Arterial Street Rehabilitation: ● Temple Ave/Avenida Rancheros: Diamond Bar Blvd. to City Limits Base Fee Schedule (Revised) $344,600.00 $52,600.00 $52,600.00 $123,170.00 $169,560.00 $52,600.00 $121,170.00 $174,560.00 $99,400.00 $ 742,530.00 1 Project 10 Arterial Street Rehabilitation: ● Diamond Bar Blvd.: Pathfinder Rd. to South of Fallow Field Dr. ● Brea Canyon Road: Diamond Bar Blvd. to city limits. Total Amount Optional Items $220,020.00 $ 667,750.00 2 Project Principal $210/hr Project Manager $180/hr Project Engineer $150/hr Engineering Technician $110/hr Survey (Sub) Kelsoe Total Fee Task 1 - Project Management 1.0 - Project Management and Coordination 2 16 3,300.00 $ Task 2 - Project Data Collection & Topographic Survey 2.0 - Field Review 2.1 - Topographic Survey & Base Mapping 2.2 - Utility Investigation 10 10 10 4,400.00 9,000.00 2,440.00 $ $ $ 9,000 $ 2 8 8 Task 3 - Preliminary Engineering & Project Planning 3.0 – Preliminary Technical Memo (PTM) 3.3 – CDGB Compliance 2 10 10 10 20 20 $ $ 4,060.00 6,340.00 4 Task 4 - Construction Documents 4.0 – Construction Plans 4.1 – Construction Cost Estimates 4.2 – Technical Specifications 2 1 1 10 2 8 40 4 40 12,620.00 1,170.00 1,650.00 $ $ $ Task 5 - Bid Phase Support 5.0 – Bid Support 1 4 930.00 $ Task 6 - Construction Support & As-Builts 6.0 – Construction Support 6.1 – As-Builts Development 1 8 2 74 8 10 100 8 10 3,730.00 2,960.00 52,600.00 $ $ $ Scope Total Hours & Fee 12 116 $ 9,000 CITY OF DIAMOND BAR FY 25/26 CIVIL ENGINEERING DESIGN SERVICES FOR: RESIDENTIAL & COLLECTOR STREETS REHABILITATION, ARTERIAL STREETS REHABILITATION, AND RESIDENTIAL NEIGHBORHOOD ADA CURB RAMPS IMPROVEMENT PROJECT (CITY PROJECT NO. SI261) Project 1 Fee Proposal - ADA Curb Ramp Improvement Project (Area 6) COST PROPOSAL Project 1 Fee Proposal - ADA Curb Ramp Improvement Project (Area 6) Project Principal $210/hr Project Manager $180/hr Project Engineer $150/hr Engineering Technician $110/hr Survey (Sub) Kelsoe Geotechnical (Sub) Converse Total Fee Task 1 - Project Management 1.0 - Project Management and Coordination 4 60 11,640.00 $ Task 2 - Project Data Collection & Topographic Survey 2.0 - Field Review 2.1 - Topographic Survey & Base Mapping 2.2 - Utility Investigation 2.3 - Geotechnical Services 40 40 40 17,600.00 $ $ $ 100,000 $ $ 100,000.00 $ 12,260.00 $ 15,000.00 2 8 40 40 $ 15,000.00 Task 3 - Preliminary Engineering & Project Planning 3.0 – Preliminary Technical Memo (PTM) 3.1 – Arterial Bike Feasbility Analysis 3.2 – Caltrans Encroachment Permit 4 4 4 10 20 20 20 40 20 40 40 40 $ 10,040.00 $ 14,840.00 $ 11,840.00 Task 4 - Construction Documents 4.0 – Construction Plans 4.1 – Construction Cost Estimates 4.2 – Technical Specifications 8 8 8 120 20 40 200 20 20 40 10 398 280 80 40 40 490 $ 84,080.00 $ 17,080.00 $ 11,880.00 Task 5 - Bid Phase Support 5.0 – Bid Support 10 10 3,300.00 $ Task 6 - Construction Support & As-Builts 6.0 – Construction Support 6.1 – As-Builts Development 4 40 80 $ 18,440.00 $ 16,600.00 344,600.00 Scope Total Hours & Fee 46 680 $ 100,000 15,000 CITY OF DIAMOND BAR FY 25/26 CIVIL ENGINEERING DESIGN SERVICES FOR: RESIDENTIAL & COLLECTOR STREETS REHABILITATION, ARTERIAL STREETS REHABILITATION, AND RESIDENTIAL NEIGHBORHOOD ADA CURB RAMPS IMPROVEMENT PROJECT (CITY PROJECT NO. SI261) Project 2 Fee Proposal - Arterial Street Rehabilitation (Brea Canyon Rd & Diamond Bar Blvd) COST PROPOSAL Project 2 Fee Proposal - Arterial Street Rehabilitation (Brea Canyon Rd & Diamond Bar Blvd) Project Principal $210/hr Project Manager $180/hr Project Engineer $150/hr Engineering Technician $110/hr Survey (Sub) Kelsoe Total Fee Task 1 - Project Management 1.0 - Project Management and Coordination 2 16 3,300.00 $ Task 2 - Project Data Collection & Topographic Survey 2.0 - Field Review 2.1 - Topographic Survey & Base Mapping 2.2 - Utility Investigation 10 10 10 4,400.00 9,000.00 2,440.00 $ $ $ 9,000 $ 2 8 8 Task 3 - Preliminary Engineering & Project Planning 3.0 – Preliminary Technical Memo (PTM) 3.3 – CDGB Compliance 2 10 10 10 20 20 $ $ 4,060.00 6,340.00 4 Task 4 - Construction Documents 4.0 – Construction Plans 4.1 – Construction Cost Estimates 4.2 – Technical Specifications 2 1 1 10 2 8 40 4 40 12,620.00 1,170.00 1,650.00 $ $ $ Task 5 - Bid Phase Support 5.0 – Bid Support 1 4 930.00 $ Task 6 - Construction Support & As-Builts 6.0 – Construction Support 6.1 – As-Builts Development 1 8 2 74 8 10 100 8 10 3,730.00 2,960.00 52,600.00 $ $ $ Scope Total Hours & Fee 12 116 $ 9,000 CITY OF DIAMOND BAR FY 25/26 CIVIL ENGINEERING DESIGN SERVICES FOR: RESIDENTIAL & COLLECTOR STREETS REHABILITATION, ARTERIAL STREETS REHABILITATION, AND RESIDENTIAL NEIGHBORHOOD ADA CURB RAMPS IMPROVEMENT PROJECT (CITY PROJECT NO. SI261) Project 3 Fee Proposal - ADA Curb Ramp Improvement Project (Area 7) COST PROPOSAL Project 3 Fee Proposal - ADA Curb Ramp Improvement Project (Area 7) Project Principal $210/hr Project Manager $180/hr Project Engineer $150/hr Engineering Technician $110/hr Geotechnical (Sub) Converse Total Fee Task 1 - Project Management 1.0 - Project Management and Coordination 4 20 4,440.00 $ Task 2 - Project Data Collection & Topographic Survey 2.0 - Field Review 2.1 - Topographic Survey & Base Mapping 2.2 - Utility Investigation 2.3 - Geotechnical Services 40 8 4 40 100 8 40 100 8 11,000.00 $ 17,600.00 $ 27,440.00 $ 3,220.00 $ 11,000.00 2 $ CITY OF DIAMOND BAR FY 25/26 CIVIL ENGINEERING DESIGN SERVICES FOR: RESIDENTIAL & COLLECTOR STREETS REHABILITATION, ARTERIAL STREETS REHABILITATION, AND RESIDENTIAL NEIGHBORHOOD ADA CURB RAMPS IMPROVEMENT PROJECT (CITY PROJECT NO. SI261) Project 4 Fee Proposal - Residential & Collector Streets Rehab (Area 5) Task 3 - Preliminary Engineering & Project Planning 3.0 – Preliminary Technical Memo (PTM) 4 10 20 40 10,040.00 $ Task 4 - Construction Documents 4.0 – Construction Plans 4.1 – Construction Cost Estimates 4.2 – Technical Specifications 2 2 2 20 10 10 80 20 10 80 20 $ 24,820.00 $ 7,420.00 $ 3,720.00 Task 5 - Bid Phase Support 5.0 – Bid Support 10 10 3,300.00 $ Task 6 - Construction Support & As-Builts 6.0 – Construction Support 6.1 – As-Builts Development 1 10 2 144 10 20 318 10 20 $ 4,610.00 $ 5,560.00 Scope Total Hours & Fee 17 318 $ 11,000 $ 123,170.00 COST PROPOSAL Project 4 Fee Proposal - Residential & Collector Streets Rehab (Area 5) Project Principal $210/hr Project Manager $180/hr Project Engineer $150/hr Engineering Technician $110/hr Survey (Sub) Kelsoe Geotechnical (Sub) Converse Total Fee Task 1 - Project Management 1.0 - Project Management and Coordination 4 60 11,640.00 $ Task 2 - Project Data Collection & Topographic Survey 2.0 - Field Review 2.1 - Topographic Survey & Base Mapping 2.2 - Utility Investigation 2.3 - Geotechnical Services 20 20 20 $ 8,800.00 $ 35,000.00 $ 7,060.00 35,000 $ 2 8 20 20 9,000 $ $ 9,000.00 $ Task 3 - Preliminary Engineering & Project Planning 3.0 – Preliminary Technical Memo (PTM) 3.1 – Arterial Bike Feasibility Analysis 3.2 – Caltrans Encroachment Permit 2 2 4 10 4 20 20 20 20 20 40 40 $ 7,420.00 $ 8,540.00 $ 11,840.00 Task 4 - Construction Documents 4.0 – Construction Plans 4.1 – Construction Cost Estimates 4.2 – Technical Specifications 4 2 2 40 4 10 100 10 10 120 40 $ 36,240.00 $ 7,040.00 $ 3,720.00 Task 5 - Bid Phase Support 5.0 – Bid Support 10 10 3,300.00 $ Task 6 - Construction Support & As-Builts 6.0 – Construction Support 6.1 – As-Builts Development 4 20 4 210 20 20 270 40 40 $ 11,840.00 $ 8,120.00 169,560.00 Scope Total Hours & Fee 26 380 $ 9,000 35,000 $ CITY OF DIAMOND BAR FY 25/26 CIVIL ENGINEERING DESIGN SERVICES FOR: RESIDENTIAL & COLLECTOR STREETS REHABILITATION, ARTERIAL STREETS REHABILITATION, AND RESIDENTIAL NEIGHBORHOOD ADA CURB RAMPS IMPROVEMENT PROJECT (CITY PROJECT NO. SI261) Project 5 Fee Proposal - Arterial Street Rehabilitation (Pathfinder Rd) COST PROPOSAL Project 5 Fee Proposal - Arterial Street Rehabilitation (Pathfinder Rd) Project Principal $210/hr Project Manager $180/hr Project Engineer $150/hr Engineering Technician $110/hr Survey (Sub) Kelsoe Total Fee Task 1 - Project Management 1.0 - Project Management and Coordination 2 16 3,300.00 $ Task 2 - Project Data Collection & Topographic Survey 2.0 - Field Review 2.1 - Topographic Survey & Base Mapping 2.2 - Utility Investigation 10 10 10 4,400.00 9,000.00 2,440.00 $ $ $ 9,000 $ 2 8 8 Task 3 - Preliminary Engineering & Project Planning 3.0 – Preliminary Technical Memo (PTM) 3.3 – CDGB Compliance 2 10 10 10 20 20 $ $ 4,060.00 6,340.00 4 Task 4 - Construction Documents 4.0 – Construction Plans 4.1 – Construction Cost Estimates 4.2 – Technical Specifications 2 1 1 10 2 8 40 4 40 12,620.00 1,170.00 1,650.00 $ $ $ Task 5 - Bid Phase Support 5.0 – Bid Support 1 4 930.00 $ Task 6 - Construction Support & As-Builts 6.0 – Construction Support 6.1 – As-Builts Development 1 8 2 74 8 10 100 8 10 3,730.00 2,960.00 52,600.00 $ $ $ Scope Total Hours & Fee 12 116 $ 9,000 CITY OF DIAMOND BAR FY 25/26 CIVIL ENGINEERING DESIGN SERVICES FOR: RESIDENTIAL & COLLECTOR STREETS REHABILITATION, ARTERIAL STREETS REHABILITATION, AND RESIDENTIAL NEIGHBORHOOD ADA CURB RAMPS IMPROVEMENT PROJECT (CITY PROJECT NO. SI261) Optional Project 6 Fee Proposal - ADA Curb Ramp Improvement Project (Area 1) COST PROPOSAL Optional Project 6 Fee Proposal - ADA Curb Ramp Improvement Project (Area 1) Project Principal $210/hr Project Manager $180/hr Project Engineer $150/hr Engineering Technician $110/hr Geotechnical (Sub) Converse Total Fee Task 1 - Project Management 1.0 - Project Management and Coordination 4 20 4,440.00 $ Task 2 - Project Data Collection & Topographic Survey 2.0 - Field Review 2.1 - Topographic Survey & Base Mapping 2.2 - Utility Investigation 2.3 - Geotechnical Services 40 8 4 40 100 8 40 100 8 9,000.00 $ $ 17,600.00 $ 27,440.00 $ 3,220.00 $ 9,000.00 2 Task 3 - Preliminary Engineering & Project Planning 3.0 – Preliminary Technical Memo (PTM) 4 10 20 40 10,040.00 $ Task 4 - Construction Documents 4.0 – Construction Plans 4.1 – Construction Cost Estimates 4.2 – Technical Specifications 2 2 2 20 10 10 80 20 10 80 20 $ 24,820.00 $ 7,420.00 $ 3,720.00 Task 5 - Bid Phase Support 5.0 – Bid Support 10 10 3,300.00 $ Task 6 - Construction Support & As-Builts 6.0 – Construction Support 6.1 – As-Builts Development 1 10 2 144 10 20 318 10 20 $ 4,610.00 $ 5,560.00 Scope Total Hours & Fee 17 318 $ 9,000 $ 121,170.00 CITY OF DIAMOND BAR FY 25/26 CIVIL ENGINEERING DESIGN SERVICES FOR: RESIDENTIAL & COLLECTOR STREETS REHABILITATION, ARTERIAL STREETS REHABILITATION, AND RESIDENTIAL NEIGHBORHOOD ADA CURB RAMPS IMPROVEMENT PROJECT (CITY PROJECT NO. SI261) Optional Project 7 Fee Proposal - Residential & Collector Streets Rehab (Area 6) COST PROPOSAL Optional Project 7 Fee Proposal - Residential & Collector Streets Rehab (Area 6) Project Principal $210/hr Project Manager $180/hr Project Engineer $150/hr Engineering Technician $110/hr Survey (Sub) Kelsoe Geotechnical (Sub) Converse Total Fee Task 1 - Project Management 1.0 - Project Management and Coordination 4 60 11,640.00 $ Task 2 - Project Data Collection & Topographic Survey 2.0 - Field Review 2.1 - Topographic Survey & Base Mapping 2.2 - Utility Investigation 2.3 - Geotechnical Services 20 20 20 8,800.00 $ $ $ 39,500 $ $ 39,500.00 $ 7,060.00 2 8 20 20 8,000.00 8,000 $ Task 3 - Preliminary Engineering & Project Planning 3.0 – Preliminary Technical Memo (PTM) 3.1 – Arterial Bike Feasibility Analysis 3.2 – Caltrans Encroachment Permit 2 2 4 10 4 20 20 20 20 20 40 40 $ 7,420.00 $ 8,540.00 $ 11,840.00 Task 4 - Construction Documents 4.0 – Construction Plans 4.1 – Construction Cost Estimates 4.2 – Technical Specifications 4 2 2 40 4 10 100 10 20 120 40 $ 36,240.00 $ 7,040.00 $ 5,220.00 Task 5 - Bid Phase Support 5.0 – Bid Support 10 10 3,300.00 $ Task 6 - Construction Support & As-Builts 6.0 – Construction Support 6.1 – As-Builts Development 4 20 4 210 20 20 280 40 40 $ 11,840.00 $ 8,120.00 174,560.00 Scope Total Hours & Fee 26 380 $ 39,500 $ 8,000 CITY OF DIAMOND BAR FY 25/26 CIVIL ENGINEERING DESIGN SERVICES FOR: RESIDENTIAL & COLLECTOR STREETS REHABILITATION, ARTERIAL STREETS REHABILITATION, AND RESIDENTIAL NEIGHBORHOOD ADA CURB RAMPS IMPROVEMENT PROJECT (CITY PROJECT NO. SI261) Optional Project 8 Fee Proposal - Arterial Street Rehabilitation (Grand Ave & Diamond Bar Blvd) COST PROPOSAL Optional Project 8 Fee Proposal - Arterial Street Rehabilitation (Grand Ave & Diamond Bar Blvd) Project Principal $210/hr Project Manager $180/hr Project Engineer $150/hr Engineering Technician $110/hr Survey (Sub) Kelsoe Geotechnical (Sub) Converse Total Fee Task 1 - Project Management 1.0 - Project Management and Coordination 4 40 8,040.00 $ Task 2 - Project Data Collection & Topographic Survey 2.0 - Field Review 2.1 - Topographic Survey & Base Mapping 2.2 - Utility Investigation 2.3 - Geotechnical Services 10 10 10 4,400.00 $ $ $ 14,500 $ $ 14,500.00 $ 7,060.00 2 8 20 20 2,000.00 2,000 $ Task 3 - Preliminary Engineering & Project Planning 3.0 – Preliminary Technical Memo (PTM) 3.1 – Arterial Bike Feasibility Analysis 3.2 – Caltrans Encroachment Permit 2 2 4 4 2 20 10 10 20 20 20 40 $ 4,840.00 $ 4,480.00 $ 11,840.00 Task 4 - Construction Documents 4.0 – Construction Plans 4.1 – Construction Cost Estimates 4.2 – Technical Specifications 4 2 2 20 2 10 40 10 10 100 20 $ 21,440.00 $ 4,480.00 $ 3,720.00 Task 5 - Bid Phase Support 5.0 – Bid Support 10 10 3,300.00 $ Task 6 - Construction Support & As-Builts 6.0 – Construction Support 6.1 – As-Builts Development 4 10 2 138 10 10 160 10 20 $ 5,240.00 $ 4,060.00 99,400.00 Scope Total Hours & Fee 26 260 $ 14,500 $ 2,000 CITY OF DIAMOND BAR FY 25/26 CIVIL ENGINEERING DESIGN SERVICES FOR: RESIDENTIAL & COLLECTOR STREETS REHABILITATION, ARTERIAL STREETS REHABILITATION, AND RESIDENTIAL NEIGHBORHOOD ADA CURB RAMPS IMPROVEMENT PROJECT (CITY PROJECT NO. SI261) Optional Project 9 Fee Proposal - Arterial Street Rehabilitation (Temple Ave/Avenida Racheros) COST PROPOSAL Optional Project 9 Fee Proposal - Arterial Street Rehabilitation (Temple Ave/Avenida Racheros) Project Principal $210/hr Project Manager $180/hr Project Engineer $150/hr Engineering Technician $110/hr Survey (Sub) Kelsoe Geotechnical (Sub) Converse Total Fee Task 1 - Project Management 1.0 - Project Management and Coordination 4 60 11,640.00 $ Task 2 - Project Data Collection & Topographic Survey 2.0 - Field Review 2.1 - Topographic Survey & Base Mapping 2.2 - Utility Investigation 2.3 - Geotechnical Services 20 20 20 8,800.00 $ $ $ 52,000 $ $ 52,000.00 $ 7,060.00 $ 10,500.00 2 8 20 20 10,500 $ Task 3 - Preliminary Engineering & Project Planning 3.0 – Preliminary Technical Memo (PTM) 3.1 – Arterial Bike Feasibility Analysis 3.2 – Caltrans Encroachment Permit 2 2 4 10 10 20 20 40 20 20 40 40 $ 7,420.00 $ 12,620.00 $ 11,840.00 Task 4 - Construction Documents 4.0 – Construction Plans 4.1 – Construction Cost Estimates 4.2 – Technical Specifications 4 2 2 80 10 20 100 20 20 20 4 272 200 40 40 40 350 $ 52,240.00 $ 9,620.00 $ 7,020.00 Task 5 - Bid Phase Support 5.0 – Bid Support 10 10 3,300.00 $ Task 6 - Construction Support & As-Builts 6.0 – Construction Support 6.1 – As-Builts Development 4 40 40 $ 14,840.00 $ 11,120.00 220,020.00 Scope Total Hours & Fee 26 460 $ 52,000 10,500 CITY OF DIAMOND BAR FY 25/26 CIVIL ENGINEERING DESIGN SERVICES FOR: RESIDENTIAL & COLLECTOR STREETS REHABILITATION, ARTERIAL STREETS REHABILITATION, AND RESIDENTIAL NEIGHBORHOOD ADA CURB RAMPS IMPROVEMENT PROJECT (CITY PROJECT NO. SI261) Optional Project 10 Fee Proposal - Arterial Street Rehabilitation (Pathfinder & Diamond Bar Blvd) COST PROPOSAL Optional Project 10 Fee Proposal - Arterial Street Rehabilitation (Pathfinder & Diamond Bar Blvd)