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REV: 05-31-22 MI Method of Bait Installation: Form a loop with tie-wire by passing it through the hole in the bait block and tying the ends together. It is essential that the loop be secure and not easily pulled apart. The bait block shall be suspended from the tie-wire in such a manner that the bait block end clears the bottom of the manhole ledge by no less than two (2) inches and no more than four (4) inches. The block shall be positioned above that ledge which provides the greatest accessibility of the bait to the rodent. At the time of installation, the back side of the “caution” tag shall be sprayed with red colored enamel paint. The other end of the tie-wire must be securely attached to the uppermost manhole rung. If a manhole rung is not available or accessible, the tie-wire shall be securely attached to a concrete nail that has been securely anchored between the concrete sidewall and the manhole cover rim seat. Splicing together short sections of tie- wire to make it longer is not acceptable. Attach a “Caution” tag to the tie-wire through the hole in the “Caution” tag. Position the “Caution” tag so that the lettering on the tag faces the bait block. The “Caution” tag should move freely along the tie-wire. Attach the tie-wire to the bait block loop Under no circumstances shall any of the bait blocks be positioned or maintained in a position which permits the bait block to work its way into the flow channel of the sewer main or which could result in flow restriction and possible blockage. In the event that a bait block breaks away and obstructs the flow in the sewer and City personnel are required to remove the block from the sewer or manhole, the Contractor shall pay the sum of five hundred dollars ($500.00) to the City for each block removed by the City. The Contractor shall reinstall said block with a new block at no additional cost. Bait Inspection, Replacement and Reinstallation: At the time of installation, reinstallation or replacement of a new bait block, the back side of the “Caution” tag shall be sprayed with red colored enamel paint. The tag shall be positioned so that the sprayed side of the tag faces upward and is visible from the manhole opening. Care should be taken not to spray the bait block or the caution words on the face of the label. At each subsequent inspection, the caution tag shall be painted a different color and be visible from the manhole opening as follows: First Subsequent Inspection May Yellow Second Subsequent Inspection Sept Violet Third Subsequent Inspection January White ATTY/AGR.2022.127/Vector Pest Control (Dewey Services, Inc.) (Page 16 of 24)