8C Consent 2016 1205 - Laserfiche WebLink

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Exact quantities and locations shall be as authorized by the Street Supervisor of the City of San Leandro or his designated representative. No payment shall be made for any work performed which is not authorized. The City may elect to change quantities of trees for trimming by up to 25% without change in bid amount per tree. 4. STANDARDS: All tree trimming is to be done in accordance with the International Society of Arboriculture, Western Chapter Pruning Standards (1988), the National Arborist Association Pruning Standards for Shade Trees (revised 1988), and in compliance with ANSI Z133.1 (1988 Safety Standards). Specifically the quality of work shall be consistent with the National Arborist Association definition of Fine Pruning (Class 1). Contractor is required to have a thorough knowledge of these standards and is to have copies of these standards on all sites where work is being performed. In addition, in order to minimize damage to the trees, no pruning is allowed with circular saws and no climbing with spikes is allowed. Trees are to be raised from the sidewalk and street, thinned, shaped, trimmed back from buildings, wires, street lights and signs cleared as much as possible, long heavy limbs lightened, and as is consistent with the growth stage of the tree, have all basal and inside sucker growth removed as is consistent with the above standards. On large mature trees, no scaffold limbs or major limbs shall be removed, as is consistent with ISA pruning standards, unless authorized by city representative. Smaller trees limb removal may be required to establish scaffold limbs, or improve weight distribution. Contractor will not be paid for any trees not trimmed consistent with these specifications. If at any time, Contractor shows an inability to trim consistent with these specifications, the Street Supervisor, or said representative, will have the authority to order Contractor to cease all trimming and to have the purchase order cancelled. Successful Bidder must possess current California Contractors License D-49 Tree Trimming for duration of contract 5. MOBILIZATION: Contractor selected shall have five (5) week days from notice by City to provide proof of insurance, proof of Contractor’s license, proof of business license and such other documentation as required. In addition to the above, Contractor shall obtain an encroachment permit from Caltrans for all work performed on East 14th Street and Davis Street prior to commencing work. 6. WORKDAYS: All trimming is to be completed within sixty (60) workdays from award of contract. 7. HOURS OF OPERATION: All trimming is to be done between the hours of 7:00 a.m. and 5:00 p.m., Monday through Friday, unless prior approval is granted by the City Street Supervisor or his designated representative. 8. PAYMENT: Payment shall be on a per tree basis. Only trees approved for trimming by the City Street Supervisor will be paid for. No payment will be made for any tree which is not trimmed as per these specifications. If the Contractor's activities damage a tree to the extent where it will not recover with good form in the sole judgment of the City's Street Supervisor, Contractor shall remove and replace the damaged tree with a replacement tree approved by the city. All such removal/replacement costs will be borne by the Contractor with no payment from the City. If Contractor does not replace a damaged tree, $500 per damaged tree will be withheld from any payment due Contractor. Invoices shall be prepared by the listing of street names, side of street (North, East, West, South), what block to what block, and total number of trees trimmed on that side of the specified street in between each block.