CITY COUNCIL AGENDA Members Nikuyah Walker, Mayor October 18, 2021 Sena Magill, Vice Mayor Heather D. Hill Michael K. Payne J. Lloyd Snook, III Kyna Thomas, Clerk 4:00 PM WORK SESSION Register at www.charlottesville.gov/zoom. Virtual/electronic meeting in accordance with a local ordinance amended and re-enacted October 4, 2021, to ensure continuity of government and prevent the spread of disease during a declared State of Emergency. Individuals with disabilities who require assistance or special arrangements to participate in the public meeting may call (434) 970-3182 or submit a request via email to ada@charlottesville.gov. The City of Charlottesville requests that you provide a 48 hour notice so that proper arrangements may be made. CALL TO ORDER ROLL CALL REPORTS 1. Report: Sidewalks on Stribling Avenue 2. Discussion: Budget Development PUBLIC COMMENT Page 1 of 74 Stribling Avenue Cost Estimate Analysis Jack Dawson, PE City of Charlottesville Public Works Engineering Page 2 of 74 Typical Planning/ Design/Estimate Process: Identification ->Prioritization ->Planning Study ->Cost Estimate #1 w/Heavy Contingencies ->30% Design with Alternates ->60% Design & New Cost Estimates ->90% Design and New Cost Estimates -> Construction/Bid Phase Cost Established Page 3 of 74 This Exercise Is an Expedited “Over/Under” more so than an Estimate. -This is not an existing priority project so background info is minimal -Includes 20% Contingency -Has not gone through community engagement/stakeholder meetings -Projects of this type are not insignificant undertakings nor are they “cookie-cutter” in design typology or execution. -The revised layout is preliminary, the estimate should not be considered final. Page 4 of 74 Considerations for Designing Streetscapes in Developed Corridors 1- ROW takes 2-Driveway tie in costs/temporary easements 3-Drainage requirements 4-SWM impacts 5-Utility Relocation 6-Roadway improvements Other non-priced impacts: 7-Existing Parking Reductions 8-Tree canopy removal Page 5 of 74 Steps Taken: 1. Analyze existing corridor for physical constraints (width, retaining walls, challenging driveway tie ins, etc) as well as safe crossing zones to revise layout to sidewalk on one side 2. Review estimate in comparison with revised concept layout for areas where costs are likely to escalate and qualify non-cost related impacts. 3. Revise estimate for likely escalations found above Page 6 of 74 Provided Concept: Page 7 of 74 Page 8 of 74 Page 9 of 74 Existing Corridor Analysis • Physical Constraints -utility poles -grading challenges -trees -driveway/parking conflicts Page 10 of 74 Page 11 of 74 Page 12 of 74 Revised Sidewalk Layout Page 13 of 74 Page 14 of 74 Page 15 of 74 Cost Escalations 1- ROW takes 2-Driveway tie in costs/temporary easements 3-Drainage requirements 4-SWM impacts 5-Utility Relocation 6-Roadway improvements Other non-priced impacts: Existing Parking and Tree removal Page 16 of 74 1-ROW TAKES Represents permanent ROW takes necessary for 33’ ROW. Approximate cost= $42,000 Page 17 of 74 Cost Escalations • Driveway tie in costs/temporary easements Page 18 of 74 Example Address: 109 Page 19 of 74 Page 20 of 74 Page 21 of 74 EXISTING FLOW PATH Page 22 of 74 Page 23 of 74 Page 24 of 74 Page 25 of 74 Page 26 of 74 Page 27 of 74 Adress: 109 Existing Driveway Width= 31' Existing Driveway Slope= 5.80% Vertical Delta Ex/Pr at ROW= 1.5 "Grade Chase"= 33' CF FILL= 670 CY FILL= 24.81481481 37 dollar/CY (import) Driveway= 1280 SF Unit Price= 7.34 dollar/SF Temp easement= 2400 SF Unit Price= 2 dollar/SF Drainage Considerations= assume d/w culvert Total price= 2500 dollars Total= $17,613.35 Page 28 of 74 Other Driveway Examples: Page 29 of 74 Page 30 of 74 Cost Escalations 3-Basic Drainage Requirements Page 31 of 74 Drainage impacts as a result of grading: (121 Stribling, Sag/ Outfall #1, Upstream inlet) Page 32 of 74 Page 33 of 74 On Road Drainage as a Result Spread Requirements: Page 34 of 74 Page 35 of 74 Page 36 of 74 Page 37 of 74 Page 38 of 74 Page 39 of 74 Page 40 of 74 Cost Escalations • SWM impacts: Quality/Quantity/permanent Easements Page 41 of 74 Quality: Page 42 of 74 Quantity: Page 43 of 74 Proposed SWM Quality Page 44 of 74 Outfall 1: Outfall 2: Page 45 of 74 Outfall 3: Outfall 4: Page 46 of 74 Page 47 of 74 Revised Conceptual Outfalls: Page 48 of 74 Outfall #1 Page 49 of 74 Page 50 of 74 Page 51 of 74 Outfall #2 Page 52 of 74 Outfall #2 Page 53 of 74 Outfall #2 Page 54 of 74 Outfall #2 Page 55 of 74 Outfall #3 Page 56 of 74 Outfall #3 Page 57 of 74 Outfall #3 Page 58 of 74 Outfall #3 Page 59 of 74 Outfall #4 Page 60 of 74 Page 61 of 74 Outfall 1 Outfall Costs 130 lf 18" Pipe 94 12220 2600 SF Easement 8 20800 Cons/E&S-Outfall prot./channel improvements 20000 53020 Outfall 2 140 lf 18" Pipe 94 13160 2800 SF Easement 8 22400 Cons/E&S-Outfall prot./channel improvements 40000 75560 Outfall 3 200 lf 18" Pipe 94 18800 4000 SF Easement 8 32000 Cons/E&S-Outfall prot./channel improvements 50000 100800 Outfall 4 Further investigation required. 80000 Page 62 of 74 TOTAL OUTFALL 309380 Utility Relocation Page 63 of 74 Utility Relocation Page 64 of 74 Roadway Improvement Costs • Reduced for S/W on one side Page 65 of 74 Other Considerations Page 66 of 74 Existing Parking Removed • Minimally, 21 Spaces (4 on-street, 17 Private)-Eliminated: Page 67 of 74 Tree Removal • 19 Trees Removed Page 68 of 74 Page 69 of 74 Page 70 of 74 Page 71 of 74 ? ? Page 72 of 74 Cost Summary: Original: Revised Per Analysis: Total= $1,231,722+(25% Contingency)=$1,539,653 Total= $2,394,385+(20% Contingency)=$2,873,262 Page 73 of 74 Questions ? Page 74 of 74