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proposed to self -perform the installation of the block system and utilize a local subcontractor to repair the entrance apron into the MRF. ANALYSIS: Staff evaluated several alternatives to resolving the safety concerns in the MRF building. We compared the long and slender panel products from Hanson Silo Company (HSC) and Keystone Concrete Products, Inc. (KCP) with the modular blocks from Inter -Block Retaining Systems, Inc. (IRBS). Based on the various differences in these products, we looked at the future ease of reutilizing and relocating these systems. Although the HSC and the KCP walls are less expensive to purchase, they both require permanent installation which increases the cost dramatically. Overall, staff concluded that the modular- blocks from IRBS meet the criteria of reutilization and relocation such that they can be used to address the safety concerns in the existing building and then moved into the future single stream building. Therefore, staff recommends direct purchase of the blocks from IRBS. Based on the size of the building and the configuration needed, it was determined that we would need to purchase 98 full blocks and 4 half blocks. The total cost for the blocks is $46,928.00. Republic concurs with staffs recommendation as they have been involved in the review and selection of the new system from both a safety and installation perspective. In order to expedite the installation and to minimize disruption of the MRF operations, staff received the attached proposal from Republic to provide a turnkey installation of the block system for $12,707.10. Republic has estimated 30 days to install the block system from receipt of all the blocks. In addition to improving the safety of the interior of the MRF building, staff requested Republic to obtain pricing for replacing the torn and damaged asphalt entrance to the building. They have provided a total cost of $5,500 for a 16 foot by 20 foot concrete apron. Therefore, the total cost for Republic's portion for MRF improvements is $18,207.10. Staff recommends approval of an amendment to Republic's landfill contract to make the necessary safety improvements to the MRF based on their qualifications & their reasonable price proposal. Staff also recommends direct purchase of the modular blocks from Inter -Block Retaining Systems, Inc. ACCOUNT INFORMATION: Funding for the MRF Improvement project is budgeted and available in the SWDD recycling account WIP number which is funded from SWDD assessments and user fees. A total budget of $100,000 was allocated for this project. DESCRIPTION ACCOUNT NO. AMOUNT MRF Improvement Project — Inter -Block Retaining Systems, Inc. 411-25534-066390 $46,928.00 MRF Improvement Project — Republic Services, LP 411-25534-066390 $18,207.10 Total = $65,135.10 SWDD Agenda - Amendment No 4 to Republic Services for MRF Improvements Page 2 61