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HomeMy WebLinkAboutAmendment Request No 1- Mercury Soil Impacts at Former Marion Road Water Tower Site 8.20.2018 ' � �� �o� x ��� - Aeoow Street em��m� Oshkosh,V\11 54901 mecom.mm �- Date �- RECI,JnGl ' August 2O. 2O18 AECOKAProject No AUG 2 1 �0�� 80504496 ^ &1r. James Robe' PE, CpESC Director ofPublic Works (}s8X{J8� Vy/3�O'���� CdyofOshkosh ` /V8/N 215 Church Avenue Oshkosh, VN548O1 Amendment Request Number 1 toAEC<]8A Proposal No. OPP~485433 for Environmental Investigation and Renmed|adon Services Related to the Mercury Soil Impacts at the Former Marion Road Water Tower Site,429 Marion Road (City Purchase Order#1BD165) Dear K8/. Rabe, AECON1Technical Services, Inc. (AECC}K0) is requesting an amendment tuthe agreement doted May 3. 2O1G. for the Environmental Investigation and Assessment cfthe Former Marion Road Water Tower site(4EC0N1 Proposal No. OPP-4854S3). This amendment request has been prepared based on the results Vf the subsurface investigation, anticipated remedial efforts and requirements outlined in the developer's agreement in support of the potential land axvop of property with Annex 71. LLC, and documentation and submittal requirements for the Wisconsin Department of Natural Resources (WDNR). � The results of the field and laboratory testing combined with the City's responsibilities outlined in the developer's agreement related to the property transfer has resulted in a change in the scope of work. The additional effort includes: 1. Coordinating and documenting the initial remedial effort to remove and dispose of the highest concentrations of mercury-impacted soil (approximately 24 labor hours for field work, 6 labor hours for professional staff services, and $1,100 of subcontracted services [laboratory analysis and equipment rental]). 2. Prepare an initial remedial action documentation report and submit to WDNR (approximately 10 hours for professional staff aemiceo). 3. Coordinate efina| remedial closure plan with the City, VVDNR, and the future landowners (Annex71 LLC): a. Attend and provide supporting documents for several meetings with City of Oshkosh and/or Annex 71 LLC staff(approximately 32 labor hours for professional staff services). b. Prepare and submit an amended site investigation work plan and remedial action options report to the WDNR for approval (approximately 12 labor hours for professional staff services). 4. Document removal of the altitude vault and additional soil remedial actions: a. Collect and submit four(4) soil confirmation samples for laboratory anakmio, inabsU and sample one (1)temporary groundwater monitoring well, and coordinate disposal of additional impacted soils identified during vault removal (approximately 24 labor hours of field work, 6 labor hours for professional staff services, and $1'800 of subcontract services(laboratory analysis and equipment rental]). 5. Document final remedial actions and site closure plan (approximately 40 labor hours of field work and 10 labor hours for professional staff services)to include: a. Documentation of proper abandonment of the temporary groundwater monitoring well. b. Documentation that impacted soils removed from the City site are managed in accordance with the developer's VVDNR-appvoved Soil and Groundwater Management Plan. xAprojucts\6050449 m / *u Tower Env mm1on-uowrnxcn1/o 1/4cowrnxcramosn*4u� m �menam� 1,uuu^ ASCOM o. Documentation of the location of impacted soils remaining in place on the City site after construction of the detention basin and parking lot. d. Documentation of any soils removed from the City site and used aa fill material on the Annex 71 LLC property. e. Documentation that the materials and construction methods used to construct the soil cap for the City site and the Annex 71LLC property meet VVDNRrequirements. & Prepare and submit aVVDNR closure request to City,Annex 71 LLC, and VVDNR(approximately 1G hours for professional staff oemioea). &o�um�dono � The current closure plan requirements developed with input from City, WDNR, and Annex 71 LLC staff will not be significantly changed if unforeseen issues are discovered during site development activities. ~ Access agreements between the City and the developer(Annex 71 LLC)will be |n place prior to commencement of construction and allow AECOM staff appropriate access to document the conditions described above. ° All WDNR fees that may be required for document submittal, review, and site closure are to be paid by the Oty� . R�vi�ed BudA�� AECDN1is requesting that the budget be increased by$26,81O. This increase in budget io anticipated to cover the additional services described above. AECOyW reserves the right horequest an increase or decrease in the budget if the scope of work changes. The services provided will be performed in accordance with the Negotiated Fee Schedule and conditions of the General Conditions of Service-City of Oshkosh,April 2009,which are expressly incorporated into, . and are en integral part of, our agreement for professional services. AECOK8 can begin providing these services immediately upon receipt of the signed Authorization Form (attached). |f you have any questions or need tn clarify o point, please call any of the undersigned sd 920-236-6718. Yours sincerely, ' Technical Services, Inc. Paul .Tlmm Kevin« L. o/�m".�(W �r- Ge Associate Vice President end: Amendment mAgreement Awhohzonno Rd Tower svv/nv\/uocowrn*cnx1u- uw nowreworm\60504496-Am*nomom`.uuox ` ^ eaw Main Street ow�o�.vw"�o ms�o/ �"��-~�~-~~ yuu.uuo.n/m Ar�e r��," rrs( i��t to ���r������� Amendment No. 1 Environmental Investigation and Assessment Marion Road Water Tower AECOk8 Project No. 6M5V4496 City of Oshkosh PQ#18¢165 RETURN TO: AECOK8 Date:August 2O. 2U18 558Nodh Main Street Oshkosh, WI 54901 Attention: Paul Timm SUMMARY: Original Contract Amount: $46.825 Total Previous Amendments: $0.00 Amount this Amendment: $25,810 Revised Contract Amount $72,635 Task# DESCRIPTION AMOUNT --��� 1 Initial RemedieUonDocumentation $3.880 2 Remedial Action Documentation Report $1.110 � 3 Coordination ofFinal Remediatinn Plan $5.750 4 Documentation mf Altitude Vault Removal $5'530 S Documentation of Final Closure $6.240 G Preparation cfVVDNR Closure Packet $3.300 TOTAL $25'810 Rd Tower Env/"w00-c wTRACr 10- 3/4 ` ^ AECOM A U t I') ri z a t�o r"i August 20. 2018 1 hereby certify that the necessary provisions have been made to pay the liability which will accrue under this contract. I hereby authorize AECOM to proceed with the scope of work outlined in Amendment 1, to amend AECOM's Proposal No. OPP-485493, dated May 3, 2016, for additional Environmental Services related to the Former Marion Road Water Tower site with a revised budget authorization of$72,635 under the general terms and conditions specified in the proposal. Sigr�ature ............. da-fe-�L4 Mark ARoNoff Print Name City Manager Signature"' Date PemekaR. UbhQ Print Name City Clerk Lynn A. Lonenson Print Name City Attorney |� ' �� ^-J ' SignaturegneSignature ^� ' � /� ��Date TrenoLormon Print Name Director of Finance Rd Tower Env/nw00-cONmACn10-