03-20-23-WS - Laserfiche WebLink

Home Browse Search

Page 1 of 2 INFORMATIONAL ITEM – 4C MEMORANDUM DATE: March 20, 2023 TO: Honorable Mayor and City Councilmembers Dave Perrault, City Administrator FROM: Lucas J. Miller, Assistant Public Works Director David Swearingen, P.E. Public Works Director / City Engineer SUBJECT: Tree Management Plan Discussion Budgeted Amount: Actual Amount: Funding Source: $12,500 $5,700 General Fund (For tree removal and EAB) Council Should Consider x Council should consider contracting with Rainbow Tree Care to provide EAB treatment to City ash trees by injection and a discount to residents to treat existing ash trees on private property. x Council should consider contracting with Rainbow Tree Care to provide EAB treatment to City ash trees by ground treatment. x Council should also consider contracting with Rainbow Tree Care to provide two-lined chestnut-borer treatment to City oak trees. x Council should also consider adding extra trees to the scope for Margolis Company, utilizing the remaining budget in the tree fund. Background Refer to Attachment A, Emerald Ash Borer Management Plan, for the background and history of EAB. In 2021, the City treated 46 ash trees within public property for a total of $3,895 and will continue to treat these trees every other year, as needed. The insecticide is 99% effective when injected into healthy ash trees and will protect for two growing seasons. For 2023, there are a total of 54 ash trees within public property listed to be treated for approximately $4,700. This treatment has a residential discount that Rainbow Tree Care is offering to Arden Hills residents for private ash tree treatment if the City contracts with Rainbow Tree Care on the public ash tree injection treatment. The 2023 pricing for public and private trees are in Attachment B and C. These prices are an increase of 8% from 2021.