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HRA Special Session Meeting Date: 06/05/2012 By: Mark Riverblood, Engineering/Public Works Title: Review Single Family Lot Creation at North Commons - Grading and Soil Corrections 5. 3. Background: The purpose of this work session report is to summarize the costs resulting from the soil corrections necessary to create 4 lots at North Commons. Although soil borings were completed by NTI (local consultant) and analyzed as satisfactory, during the creation of the 4 lots the excavation contractor exposed a vein of organic soils. The consultant was called back to the site and recommended the organics be removed from the building pad areas. Attached is an invoice that details the project expenses. Observations: At the conclusion of the lot creation, removal of `black dirt' from the house pads was $10,080 that was not anticipated, however, as indicated, soil borings were included as part of HRA approval as `insurance', and as documentation to a future builder that the lots were 'good'. These house pads have been compaction tested, and are now foundation -ready. The original contract amount was for $48,870 and the final amount, including soil corrections is $58,682 or an overage of $9812. Costs that go into the overage include: soil corrections (removal of organics from house pad areas), moving of the "organics" to proposed location of community gardens. The movement of this soil represents a reduction in cost of importing appropriate top soil. The total cost of all earth work at North Commons (both the lots and park) is $58,682. The original, anticipated amount (both elements, with separate funding sources) was $48,870. Funding Source: Funding is proposed to be from the COR Revolving Fund to cover the overage of $9812. Council Action: Based upon discussion. Invoice - North Commons Attachments Form Review Inbox Reviewed By Date Dean Kapler Dean Kapler 05/31/2012 04:45 PM Kurt Ulrich Jo Thieling 05/31/2012 04:50 PM Kurt Ulrich Jo Thieling 05/31/2012 04:51 PM Form Started By: Mark Riverblood Started On: 05/31/2012 Final Approval Date: 05/31/2012