City of Chicago

Procurement Services

We are the contracting authority for the procurement of goods and services for the City of Chicago

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Contract Details

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Original Contract

DUR in the Award Amount column means that the contract award total Depends Upon Requirements. A Depends Upon Requirements contract is an indefinite quantities contract in which the city places orders as needed. The vendor is not guaranteed any particular contract award amount.
Contract (PO) # Disclosure # Award Date Start Date End Date Original Award Amount
08/14/2014 $4,529,032.73

Modifications/Amendments

Modification # Description Disclosure # Award Date Start Date End Date Amount
WEST RIDGE NATURE PRESERVE 06/29/2017 $6,506.00
WEST RIDGE NATURE PRESERVE 08/09/2017 ($5,610.07)
WEST RIDGE NATURE PRESERVE 11/21/2017 ($10,489.53)
3059814
WEST RIDGE NATURE PRESERVE 04/03/2018 ($4,605.83)
305982
WEST RIDGE NATURE PRESERVE 02/25/2016 ($51,087.06)
WEST RIDGE NATURE PRESERVE 10/27/2016 $90,000.00
305985
WEST RIDGE NATURE PRESERVE 04/12/2017 ($1,000,710.32)
WEST RIDGE NATURE PRESERVE 05/24/2017 $205,800.00
WEST RIDGE NATURE PRESERVE 05/25/2017 $100,000.00
305988
WEST RIDGE NATURE PRESERVE 06/26/2017 $17,329.40
305989
WEST RIDGE NATURE PRESERVE 06/27/2017 ($224,007.00)