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Document
RFP - Consultant Services for Transit Planning, Analysis and Public Engagement
Year Created: 2024
DOCUMENT
IFB - Tree Trimming & Removal 2006
- YEAR CREATED: 2006
- ENTITY TYPE: City/Township
- TYPE OF DOCUMENT: BID - ITB, IFB, ITT, RFB
- Parks and Recreation
This document provides specifications and contractual terms for tree work, including pruning, tree removal, stump removal, trimming of roots, and emergency work. The document outlines the payment terms, which include partial billings based on the percentage of work completed and a 5% retainage held by the city until all work is finished. The bidding specifications state that tree work can be bid as lump sum by area or on an hourly basis for emergency work.
Regarding tree pruning, it is stated that pruning should be done according to the latest standards of the National Arborist Association. The pruning class requirements will be determined by the city and specified in the bidding proposal. The pruning generally consists of conforming to Class III, medium pruning, and lifting lower bottom branches for under-clearance. Additional pruning may be required for street intersection, house clearing, and street lighting. Clearance heights for pedestrian and vehicular clearance are also specified.
The document also discusses cutting back, topping, and natural trimming (Class IV Pruning), which involves severe pruning of tops, sides, under branches, or individual limbs. Special arrangements with utility companies may be needed to provide clearance around aerial facilities. The document provides requirements for natural trimming, maintaining a symmetrical appearance, and limiting the reduction of trees to no more than 1/3 of the total area existing prior to trimming.
In terms of tree removal, the document emphasizes the need for extreme care to prevent damage to adjacent properties. Limbs and branches larger than four inches in diameter should be lowered to the ground using ropes or mechanical devices. Stumps should not be left higher than three inches above ground level, and debris and logs should be promptly removed from the public right of way.
For stump removal, the contractor is responsible for grinding stumps and bracing roots at least six inches below grade. Chips and residue can be returned to the hole, and a layer of topsoil should be placed over them. The area should be crowned and restored, and damaged turf areas should be repaired. Stump grinding is to be bid lump sum.
The document also addresses the trimming of roots, stating that the Parks Department will assess whether roots lifting the sidewalk can be safely cut or if the tree needs to be removed. In case of danger, the contractor will remove the roots or take down the tree, and the property owner is responsible for replacing the sidewalk.
Lastly, the document discusses emergency and time and material work. The contractor is expected to provide emergency tree services and be available on a 24-hour basis. Emergency and time and material work will be bid on an hourly basis, and the contractor should have the necessary equipment and personnel for the job. Additionally, the document states that if previous unknown circumstances arise making it desirable in the public interest, the work can be completed before it is fully finished.
Overall, the document provides detailed specifications and guidelines for various aspects of tree work, including pruning, tree removal, stump removal, and emergency work.