1. Design and Engineering Services
Change Order Request
Contract W40010E01
Design and Engineering Services
43rd Street Ditch and Jackson Park Restore ED’s Original Delegated Authority
Commission Agenda Item #2

2. Updated KK River Watercourse Management Plan (KKRWMP)
Recent changes to KKRWMP
Separate Commission request in PF&P Committee updates this Plan and reflects these changes
Requested change order results from these changes

3. KKRWMP
Identifies 718 structures in floodplain on jurisdictional streams
15 different project areas
6 project areas currently in progress, including:
43rd Street Ditch
Jackson Park
Recent changes to Jackson Park and 43rd St. Ditch
Result from discussions with Milwaukee County, recent land purchase, and preliminary engineering work

4. Existing Jackson Park and 43rd St. Ditch Elements
Lincoln Ave
Existing Jackson Park and 43rd St. Ditch Elements
Increase Culvert Capacity
Naturalize Stream
43rd St. Ditch
Jackson Park
Naturalize Stream
43rd St
Lower Parkland & Lagoon
Increase Bridge Capacity

5. Updated Jackson Park and 43rd St. Ditch Elements
Increase Culvert Capacity
Naturalize Stream
New Culverts
43rd St. Ditch
Jackson Park
New flood storage Basin
43rd St
Naturalize Stream
Increase Bridge Capacity
Smaller JP storage, storage in Lagoon & Dion-Simon

6. Jackson Park and 43rd Street Ditch Change Summary
Element
Existing Plan
Updated Plan
Flood storage
Large footprint of Jackson Park lowered
Reduced footprint of Jackson Park lowered
Lagoon dredged and lowered
Storage in We Energies/ Dion-Simon properties
Conveyance System
New conveyance system to and from We Energies storage facility
Channel improvements
Naturalize: KK River Channel through Jackson Park &
43rd St. Ditch south of Lincoln
Bridge Flow Capacity
Increase 43rd St. bridge capacity
Increase 43rd St. Bridge capacity
Culvert Capacity
Increase capacity of S. 43rd street, W. Lincoln Ave, Union Pacific RR culverts
Increased capacity of W. Lincoln Ave. culvert

7. Contract W40010E01 District contracted with HNTB in July 2017
Perform preliminary engineering for both Jackson Park & 43rd St. Ditch
For Jackson Park only:
Design services/develop bid documents
Bid & Award services
Engineering Services During Construction

8. Contract W40010E01
As presented, multiple changes occurred during preliminary engineering phase, resulting in need for increased preliminary engineering scope and $
Changes summarized as follows

9. Remove Master Plan
Original contract scope included development of Master Plan for Jackson Park
Milwaukee County Parks requested District not to perform this scope
County Parks requests District only develop park improvements for areas affected by flood management (if funded by the District)
Park improvements identified in project will be outlined in future ICA

10. New Flood Storage Areas
Preliminary engineering for the 2 new flood storage areas
Preliminary engineering for the 2 additional conveyance systems to the new flood storage areas.
Additional geotechnical and environmental soil borings associated with these areas
Following completion of PE, District will evaluate if changes needed for final design tasks

11. New Flood Storage Areas
New Culverts
S. 43rd St.

12. Contract Schedule/Budget
CO will extend schedule to reflect new construction bid date in summer 2021
No change in budget needed at this time

13. Restore ED Authority ED authority $200,000 ED utilized all authority
Request to restore ED’s authority in case any other additional services of minor nature are needed

14. QUESTIONS?
No need in this case to re-state the request.