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Oak Harbor Clean Water Facility GMP #7

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Presented at Oak Harbor City Council meeting on April 5, 2016.

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Oak Harbor Clean Water Facility GMP #7

  1. 1. Clean Water Facility Hoffman Construction Guaranteed Maximum Price #7 Deep Concrete Work 4/5/2016 City Council Meeting
  2. 2. Tonight’s Topics 4/5/2016City Council Meeting 2 • Reminder of GCCM decision process • Overview of GMP #7 • Definition of “Heavy Civil” and reasoning for self-performed work • Third party validation process for GMP #7 cost • Recommended action
  3. 3. Why GC/CM? 4/5/2016City Council Meeting 3 • Why GC/CM? • Allows the City to identify project risks early in the project • Added value by including contractor feedback early • Allows the project to be constructed quicker than design-bid-build • Selection based on fee, in addition to other factors • Hoffman was low bid at 4.28% which includes bonds & insurance (±2%) • Actual profit to manage project = ±2.28%
  4. 4. • GMP#7 includes the following • GE/Zenon (GMP#1) contract revisions • Sheet pile change of conditions (shattering erratic rocks) • Allowances • water testing • crack repair • mechanical detailing • Emergency repair to RBC surge tank (not charged to project) • Deep concrete work for MBR & aeration structures GMP #7 Overview 4/5/2016City Council Meeting 4 Needed whether we bid or negotiate the concrete work
  5. 5. GMP #7 Summary 4/5/2016City Council Meeting 5 Category Amount Direct Costs $ 6,239,185 Negotiated Support Services $ 1,697,069 Risk Contingency (3.5%) per RCW 39.10 $ 277,769 Owner Contingency (2.0%) $ 158,752 Specified General Conditions $ 599,200 GCCM Fee (4.28%) $ 384,400 GMP Total (w/o sales tax) $9,355,968 Sales Tax $813,969 GMP Total (w/o sales tax) $10,169,937
  6. 6. Cost Item Amount Deep Concrete Work $5,444,830 GE/Zenon Changes $42,278 Sheet Pile Change of Conditions $76,942 Allowances $225,000 Emergency repair $45,000 Other site work $405,135 Total Direct Costs $6,239,185 Direct Costs 4/5/2016City Council Meeting 6 Negotiated “Heavy Civil”
  7. 7. Why use “Heavy Civil”? 4/5/2016City Council Meeting 7 • Greater control of the schedule • Fewer change orders • Reduction in management costs • Larger number of knowns vs. unknowns in the concrete work • Increased ability to find cost savings • Already value engineered -$100k • Greater savings possible if schedule and manpower can be reduced • Ability to make changes on the fly as the plans are finished
  8. 8. Deep Concrete Work 4/5/2016City Council Meeting 8 • “Heavy Civil” per RCW 39.10 (Negotiated Work) • Cost plus • Known Elements • Concrete cost and quantity (validated cost per yard) • Rebar cost (bid) • Good estimate of manpower (resource loaded schedule) • Managed Elements • Manpower & Schedule
  9. 9. Deep Concrete Work Validation of Negotiated Work 4/5/2016City Council Meeting 9 • Cost must be independently validated per RCW 39.10.350(5) • Cost Negotiation • Staff • Cost Validation • KBA Cost Validation Letter (Attachment C) • Reviewed by OAC • Cost Accounting • System in place to monitor resource loaded schedule • Daily, weekly and monthly project tracking
  10. 10. Why is there a “Heavy Civil” fee? 4/5/2016City Council Meeting 10 • Hoffman is assuming greater risk • If the concrete work were bid, the fee would be included in the bid • If we were bidding, any efficiencies wouldn’t be transparent • If we cut a month off the schedule, the City wouldn’t see the benefit.
  11. 11. Is the “Heavy Civil” fee reasonable? 4/5/2016City Council Meeting 11 • Data on other recent “Heavy Civil” Bids - Hoffman
  12. 12. Negotiated Work Profit 4/5/2016City Council Meeting 12
  13. 13. Is the “Heavy Civil” fee reasonable? 4/5/2016City Council Meeting 13 • Data on other recent “Heavy Civil” Bids - Hoffman • What about the industry publications? – OAC
  14. 14. 4/5/2016City Council Meeting 14
  15. 15. Is the “Heavy Civil” fee reasonable? 4/5/2016City Council Meeting 15 • Data on other recent “Heavy Civil” Bids - Hoffman • What about the industry publications? – OAC • How does WSDOT look at this type of work? - KBA
  16. 16. • Percentages for overhead, general company overhead, profit, bonding, insurance, B&O tax and any other costs incurred (WSDOT 1-09.6) • Labor = 29% • Materials = 21% • Equipment = 21% • Services = 21% • Subcontractor markup = 7% for amounts greater than $100,000 WSDOT Force Account 4/5/2016City Council Meeting 16
  17. 17. Is the “Heavy Civil” fee reasonable? 4/5/2016City Council Meeting 17 • Data on other recent “Heavy Civil” Bids - Hoffman • What about the industry publications? – OAC • How does WSDOT look at this type of work? – KBA • How do “Heavy Civil” and Bid work compare? - Staff
  18. 18. “Heavy Civil” vs. Bid “Heavy Civil” Direct Cost $ 4,427,156 GC's $ 614,354 Insurance and bonds 0% $ - Profit 8% $ 403,321 Subtotal $ 5,444,830 GC/CM Fee 4.28% $ 233,039 Total $ 5,677,869 Bid (5% profit) 4/5/2016City Council Meeting 18 Direct Cost $ 4,341,510 GC's $ 700,000 Insurance and bonds 2% $ 100,830 Profit 5% $ 252,075 Subtotal $ 5,394,415 GC/CM Fee 4.28% $ 230,881 Total $ 5,625,296
  19. 19. “Heavy Civil” vs. Bid “Heavy Civil” Direct Cost $ 4,427,156 GC's $ 614,354 Insurance and bonds 0% $ - Profit 8% $ 403,321 Subtotal $ 5,444,830 GC/CM Fee 4.28% $ 233,039 Total $ 5,677,869 Bid (10% profit) 4/5/2016City Council Meeting 19 Direct Cost $ 4,341,510 GC's $ 700,000 Insurance and bonds 2% $ 100,830 Profit 10% $ 504,151 Subtotal $ 5,646,491 GC/CM Fee 4.28% $ 241,670 Total $ 5,888,161
  20. 20. Hoffman Contract Summary 4/5/2016City Council Meeting 20 Service Contract Amount w/o Sales Tax Preconstruction $ 790,050 GMP#1 - MBR/UV $ 2,553,317 GMP#2 - Outfall $ 1,991,249 GMP#3 - Site Prep A $ 836,130 GMP#4 - Site Prep B $ 5,109,549 GMP#5 - Solids Dryer $ 2,028,222 GMP#7 - Site Prep C $ 3,966,503 GMP#7 – Deep Concrete $ 9,355,968 Total $ 26,630,988
  21. 21. • Authorize the Mayor to sign AIA Document A133 – 2009 Exhibit A (GMP #7) in the amount of $9,355,968 plus Sales Tax ($813,969) with Hoffman Construction for Deep Concrete Work at Area 30 & Misc. Changes. Recommended Action 4/5/2016City Council Meeting 21
  22. 22. 4/5/2016City Council Meeting 22

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