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Parking Structure Maintenance Slideshow By Innovative Engineering

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  1. 1. Parking Structure Maintenance Presented By: SCOTT L. WEILAND PE with INNOVATIVE ENGINEERING August 3 & 10, 2017
  2. 2. Parking Structure Maintenance Learning Objectives • Types of Parking • Parking Structures • Structure Types • Cost Comparison • Lifecycle Costs • Common Deficiencies • Importance of Routine Maintenance & Timely Restoration
  3. 3. Parking Structure Maintenance Innovative Engineering, Inc. • Scott L. Weiland PE • BSCE University of Michigan • Graduate Studies: • San Jose State University • Georgia Institute of Technology • PE in 20 States + PR & Guam • 36 Years in Design and Construction • 21 Years in Restoration Engineering • Article: STRUCTURE Magazine, 2010, 2 Part Article, Building Facade Inspections • Cover Story, Structural Engineer Magazine, Assessing the Damage, December 2005.
  4. 4. Parking Structure Maintenance Innovative Engineering, Inc. • Trey Thomas PE • BSCET, Southern Polytechnic State University • 14 Years in Design and Restoration Engineering • Article: STRUCTURE Magazine, 2010, 2 Part Article, Building Facade Inspections • Certified in Mold, Lead & Asbestos Surveying • OSHA Competent Person for Boom & Scissor Lifts • SPRAT Level 2 Rope Access Technician • Expert estimator (within 5% of actual) • Facility Condition Assessments (FCA’s) • Façade Inspection • Parking Structure Restoration
  5. 5. Parking Structure Maintenance PARC, LLC • Kirk Taylor, AIA • Architecture Graduate, University of Texas, Austin • Managed Texas Office for Walker Parking • Started PARC in 2000 • Specialties: • Efficient Parking Facility Design • Needs Analysis • Access and Revenue Control • Market Feasibility • Capital Assessment P Parking Access + Revenue Consultants
  6. 6. Parking Structure Maintenance Engineered Restorations, Inc. • Evan A. Moore PE • Founded by Don Moore 1994 • Specialty Contractor • Specialties • Structural Repair • Restoration • Waterproofing • Preservation
  7. 7. Parking Structure Maintenance Types of Parking On-Street Surface Structure
  8. 8. Parking Structure Maintenance Typical Parking Annualized Costs per Space $555 $1,175 $370 $675 $675 $2,460 $430 $675 $675 $0 $500 $1,000 $1,500 $2,000 $2,500 $3,000 $3,500 $4,000 On-Street Surface Structure Cost/Space Operating Construction Land
  9. 9. Parking Structure Maintenance Parking Structures • Not Bullet Proof • No Protective Skin • Deterioration Starts Immediately • Subjected To: • Moisture (Rain, Snow, Ice, Deicing Salts) • CO2 Carbonization • Extreme Thermal Expansion & Contraction • Dynamic Vehicle Loads
  10. 10. Parking Structure Maintenance Structure Degradation
  11. 11. Parking Structure Maintenance Structural Systems Cast-in-Place Concrete Precast Concrete Structural Steel
  12. 12. Parking Structure Maintenance Others Systems (generally not recommended) Mild Reinforced Concrete Prone to Cracking Composite Metal Deck on Steel Deck Traps Moisture Bar Joists w/Metal Deck on Steel Prone to Cracking Filigree Slab Soffits on Steel Prone to Cracking Hollow Core Slabs on Steel/Conc. Prone to Water Intrusion Keystone Joist & Beam Soffits Florida, Steel Connections, Cracks
  13. 13. Parking Structure Maintenance Cast-in-Place • Advantages • Flexible Geometry • Monolithic, Fewer Joints • Reduced Maintenance Costs • Longer Life Expectancy • Higher Durability • Disadvantages • Higher Initial Investment • Longer Schedule • More Labor Intensive • Difficult Quality Control • Weather Dependent
  14. 14. Parking Structure Maintenance Precast Concrete • Advantages • Lower Initial Investment than CIP • Fabricated in Controlled Plant Environment • Not Weather Dependent • Accelerated Construction Schedule • Disadvantages • May be no local plant • Geometry not Flexible • Lower Perceived Ceiling heights • Shearwalls (Closed In) • More Joints • Prone to Thermal Expansion & Contraction Damage • Higher Maintenance Costs
  15. 15. Parking Structure Maintenance Structural Steel • Advantages • Lower Initial Cost than Precast • Accelerated Construction Schedule • Fabricated in Controlled Environment • No Shearwalls (Open) • Disadvantages • Corrosion Issues • Higher Maintenance Costs • Not Suitable for Fire Protection
  16. 16. Parking Structure Maintenance Typical Annual Life Cycle Costs $550 $467 $333 $167 $250 $447 $0 $100 $200 $300 $400 $500 $600 $700 $800 $900 CIP Precast Steel Cost/Space Maintenance Initial
  17. 17. Parking Structure Maintenance Common Deficiencies •Number 1 Enemy WATER
  18. 18. Parking Structure Maintenance Common Deficiency: Ponding
  19. 19. Parking Structure Maintenance Common Deficiency: Failed Joints
  20. 20. Parking Structure Maintenance Common Deficiency: Corrosion A: Spall B: Crack C: Corner Spall D:Delamination
  21. 21. Parking Structure Maintenance Chloride Ion Testing
  22. 22. Parking Structure Maintenance Carbonization Testing
  23. 23. Parking Structure Maintenance Common Deficiency: Last Resort
  24. 24. Parking Structure Maintenance Common Deficiency: Cracks & Repair
  25. 25. Parking Structure Maintenance Common Deficiency: Epoxy Injection
  26. 26. Parking Structure Maintenance Common Deficiency: Spall & Delamination
  27. 27. Parking Structure Maintenance Common Deficiency: Freeze – Thaw Damage (Scaling) • Topping • Inadequate air entrainment • Ponding water
  28. 28. Parking Structure Maintenance Common Deficiency: Sounding
  29. 29. Parking Structure Maintenance Common Deficiency: Failing Spall Repair
  30. 30. Parking Structure Maintenance Common Deficiency: Exterior Spalls (Over Sidewalk)
  31. 31. Parking Structure Maintenance Common Deficiency: Expansion Joints
  32. 32. Parking Structure Maintenance Common Deficiency: Overloaded – Fire Truck
  33. 33. Parking Structure Maintenance Common Deficiency: Guardrail
  34. 34. Parking Structure Maintenance Common Deficiency: Curbs & Wheel Stops
  35. 35. Parking Structure Maintenance Cast-In-Place Concrete: Post Tensioning • Abrasion • PT Cable Failure
  36. 36. Parking Structure Maintenance Cast-In-Place Concrete: Epoxy Injection
  37. 37. Parking Structure Maintenance Cast-In-Place Concrete: Carbon Fiber Wrap
  38. 38. Parking Structure Maintenance Precast Connection Failures - Girder
  39. 39. Parking Structure Maintenance Precast Connection Failures – Double Tee Joists
  40. 40. Parking Structure Maintenance Precast Connection Failures - Joist • Seat Repair
  41. 41. Parking Structure Maintenance Precast Haunch Connection Failure & Repair
  42. 42. Parking Structure Maintenance Precast Haunch Connection Failure & Repair
  43. 43. Parking Structure Maintenance Precast Haunch Connection Failure & Repair • Repaired
  44. 44. Parking Structure Maintenance Precast Shear Transfer Repair • Saw Cut & Biscuit Repair • Biscuit Repair
  45. 45. Parking Structure Maintenance Structural Steel Corrosion • Steel Protection & Corrosion Issues • Steel Deck Traps Moisture, Hides Degradation.
  46. 46. Parking Structure Maintenance Maintenance Cost Curve
  47. 47. Parking Structure Maintenance Maintenance Cost Curve
  48. 48. Parking Structure Maintenance Maintenance Cost Curve
  49. 49. Parking Structure Maintenance Maintenance Cost Curve
  50. 50. Parking Structure Maintenance Reactive Maintenance
  51. 51. Parking Structure Maintenance Maintenance Program: Planning • Elements of a Maintenance Program • Condition Assessments • Housekeeping • Routine Maintenance • Preventive Maintenance • Replacement • Budget
  52. 52. Parking Structure Maintenance Capital Assessment & Management Plan • Gather Existing Reports • Review Operator Agreement • Operations • Users Types • Rates: Existing vs. Comp.’s • Revenue Profile • Cash Flow • Performa: Operating Budget w/ Capital Improvements
  53. 53. Parking Structure Maintenance Learning Objectives • Types of Parking • Parking Structures • Structure Types • Cost Comparison • Lifecycle Costs • Common Deficiencies • Importance of Routine Maintenance & Timely Restoration
  54. 54. Parking Structure Maintenance Questions? Scott L. Weiland PE Innovative Engineering Inc. 3380 Trickum Road Bldg. 500, Suite 100 Woodstock, Georgia 30188 sweiland@ieiusa.com 770-517-5507 Ext. 202

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