HomeMy WebLinkAboutBrown & Caldwell Project #152187 Purchase Order Exhibit A— Scope of Services and Compensation
Amendment#2 to TID #34 & #35 Stormwater Support 1 �-D
Brown and Caldwell Project# 152187
City of Oshkosh Purchase Order# 180700
August 28, 2018
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Scope: This Exhibit A documents additional tasks requested of Brown and Caldwell (BC) by the
City of Oshkosh (City) for services under the TID #34& #35 Stormwater Support project (City
Authorization Dated May 3,2018;BC Project# 152187) agreement dated April 27,2018. All
terms and conditions from that agreement remain in effect for the work and budget described in
this Amendment #2.
Task#13: Additional TID #34 Wet Detention Basin Support
Additional support for the TID #34 Wet Detention Basin was requested by the City to evaluate the
proposed enlargement of the wet detention basin. Additional XPSWMM and WinSLAMM modeling
was completed to evaluate the proposed enlargement. The Technical Memo for TID #34 was
updated based on the enlarged pond and the model results. In addition, the Technical Memo
summarizing all parts of the analysis will be made.
Task#14: Additional TID #35 Prairie Treatment System Support
Additional support for the TID #35 Prairie Treatment System was requested by the City to
respond to WDNR review comments. Additional WinSLAMM modeling was completed to
evaluate the prairie treatment systems as wet detention ponds. The results of the analysis were
provided to the City via email. In addition, the Technical Memo summarizing all parts of the
analysis will be made.
Budge
Task Estimated Estimated Estimated
# Task Description Budget TID #34 TID #35
Cost Cost
13 Additional TID #34 Wet Detention Basin $1,873 100% 0%
Support
14 Additional TID #35 Prairie Treatment System $2,772 0% 100%
Support
Total $4,645
Current contract Amount: $23,245
Amendment#1: $11,944
Amendment#2 $4,645
Amended Contract Amount: $39,834
TID 3435 Amendment 22018-8-28 Page I of 1