Tree Planting and Establishment

2026-11-03

TREE PROCUREMENT AND TREE STOCK QUALITY a . TREE PROCUREMENT PROCESS i . The City will procure and furnish trees when available . 1 . The Contractor shall allow the City or nurseries to deliver trees to the Contractor ’ s facility prior to planting . 2 . The Contractor shall be responsible for unloading trees from the City or nursery vehicles . 3 . The Contractor may suggest the rejection of a City - procured tree , but the final decision to accept or reject a tree is the responsibility of the City PM . 4 . All storage , unloading , and transportation of trees must meet the TREE STORAGE , TRANSPORTATION , AND HANDLING specifications found in the TREE PLANTING section of these specifications . 5 . Storage and unloading of trees procured by the City shall not be billed separately by the Contractor . Associated expenses should be accounted for in the Contractor ’ s pricing for STORAGE , TRANSPORTATION , AND INSTALLATION . 6 . Once a City - procured tree is unloaded and accepted at the Contractor ’ s facility , the Contractor is responsible for the care and maintenance of the tree . Should the tree fail or otherwise not meet the conditions required in the TREE STORAGE , TRANSPORTATION , AND HANDLING section of these specifications , the Contractor shall be required to procure a replacement at Contractor ’ s own cost . ii . In the event the City is unable to procure some or all required trees , the Contractor shall be responsible for procuring such trees . iii . The Contractor shall bill the City for tree procurement services performed by the Contractor for trees the City is unable to procure . The Contractor shall pay for approved trees and delivery and then bill the City for reimbursement of exact tree cost and nursery - toContractor - yard delivery through the invoicing process . The Contractor shall not bill the City for any trees procured and furnished directly by the City . iv . For trees procured by the Contractor , the following process will apply : 1 . The City PM shall specify the species , variety , and size in plans or tree schedule provided by the City PM . The City PM may also specify stock . Variances from the schedule may be approved by the City PM , at the City PM ’ s discretion . 2 . The Contractor shall broadcast tree material search lists to a minimum of 15 wholesale nurseries in the greater Portland region . Additional nurseries , located outside the greater Portland region , may be used . The Contractor shall provide the City PM with a list of nurseries contacted . At the City PM ’ s discretion , the Contractor may broadcast their search to fewer than 15 nurseries . 3 . The Contractor shall provide the City PM with a summary Procurement Report provided by the City PM ( Attachment 2 – Procurement Report Template ), showing tree material sizes and quantities available , along with unit prices from all responding nurseries by email for each project , prior to purchase . The Procurement Report shall include : a . Tree material sizes b . Stock type c . Quantities available d . Unit prices e . Nursery information 4 . Where specified trees are not available , Contractor shall submit to the City PM a list of all nurseries that were contacted , and a proposal for use of equivalent alternative material . If a specified tree type is available , but only a size different from that specified , the Contractor shall provide the City PM with a list of the sizes available . Final authorization for all substitutions shall be at the discretion of the City PM . 5 . The Contractor shall verify that tree quality for quoted material meets requirements of this specification and any additional project requirements prior to submitting quote to the City PM . 6 . The City PM shall decide from which source to procure the plant material . 7 . The Contractor shall work with each nursery to dig , pack , transport , and handle trees with care to ensure protection against injury . Tree crowns and trunks shall not be bound with material such as metal wire that will damage the bark , break branches , or in any way deform the tree . 8 . The Contractor shall ensure that each nursery lifts and handles trees with suitable support of the root ball to avoid damaging the root ball and roots , in addition to trunk , branches , and foliage . Trees shall not be bent in such a manner that damages limbs or bark . Trees shall not be dropped . 9 . During delivery of trees , Contractor shall ensure care is exercised to prevent injury and drying out of trees . Trees shall be covered when transported on open vehicles with a protective covering to prevent wind damage and desiccation . 10 . The Contractor shall be responsible for unloading trees from nursery vehicles . 11 . For specifications on storing trees , see STORAGE , TRANSPORTATION , and INSTALLATION section . b . TREE STOCK QUALITY i . All trees , whether procured by the City or the Contractor , must meet the following tree stock quality specifications . ii . All trees shall be grown in accordance with good horticultural practices and shall conform to the American Standard for Nursery Stock ANSI Z60 . 1 – 2014 , or most current version of this standard , published by AmericanHort . Tree stock quality shall also meet the PP & R Specifications for Nursery Tree Quality ( see ATTACHMENT 3 ). iii . Trees acquired shall be nursery - grown in a USDA hardiness zone suitable for the region . iv . Trees shall exhibit the following characteristics : 1 . Healthy and vigorous , with trunk and limbs free from insects , disease , defects , injuries , and decay . 2 . Single trunk that is straight , with a well - developed leader and good trunk taper . 3 . The trunk shall be solidly attached to the root ball . 4 . Well - distributed branches that are considerably smaller diameter than the trunk , with wide - angled branch attachments or branch attachments that are appropriate for the tree form . The City PM may specify lowest branching height in some cases . 5 . A fibrous root system with no girdling roots at or above the root collar . v . Bareroot trees : Bareroot trees shall have abundant root growth , with both larger anchor roots and smaller fibrous roots . Roots shall not be broken , torn , decayed , or damaged . Bareroot trees shall be planted prior to bud - break . vi . Balled and burlapped ( B & B ) trees : B & B trees shall have a firm root ball . The root ball shall not be loose , broken , or desiccated . The minimum root ball diameter shall be the same as those specified in American Standard for Nursery Stock ( ANSI Z60 . 1 – 2014 ). vii . Container trees : Roots shall be well - developed enough to hold the potting substrate together . The tree shall not be pot bound or have matted roots . The soil shall not be desiccated . viii . Fabric bag trees : The trunk shall be solidly attached to the root ball . The root ball shall not be broken or desiccated . c . TREE SIZE i . Broadleaf trees shall be measured by caliper size at six inches above the root flare . ii . Conifer size shall be measured by height from the base of trunk to the tip of the leader . d . NEONICOTINOIDS i . Trees shall not be treated with neonicotinoid pesticides , including but not limited to acetamiprid , clothianidin , imidacloprid , nitenpyram , nithiazine , thiacloprid and thiamethoxam . e . LABELING i . Each tree shall be labeled with a securely attached , loose - hanging , waterproof tag bearing legible designation of botanical and common name , including variety . The Contractor shall provide tag if one is not provided by the nursery . f . OBSERVATION i . The City reserves the right to observe trees both at their place of growth , any temporary holding site , and at the planting site for compliance with requirements for species type , variety , size , form , and quality . g . PROCUREMENT ACCEPTANCE i . The City may reject any materials or services that do not meet these standards , at the City PM ’ s discretion . ii . For City - procured trees , the Contractor may propose rejection of tree stock only at the time of delivery from the nursery , and only if the Contractor believes the nursery has failed to meet the tree quality , transportation , or handling requirements of this section . Upon delivery , the Contractor shall immediately notify the City PM of any proposed rejection . The City shall determine whether the tree is rejected and whether a replacement is required . If a tree is rejected at delivery , the City shall either procure the replacement tree or compensate the Contractor to procure the replacement . For Contractor - procured trees , procurement acceptance or rejection may occur at the time of planting or planting acceptance by the City . h . INVOICING FOR TREES PROCURED BY THE CONTRACTOR i . The Contractor shall invoice the City for procurement services only performed by the Contractor . The Contractor shall use the appropriate line item from the pricing sheet . The line item does not include tree material costs . ii . There shall be no more than one invoice per month per Task Order . iii . The City shall reimburse the Contractor for actual tree material cost ; no mark - up shall be allowed . Tree material cost is separate from procurement services . v . The City shall reimburse the Contractor only for tree delivery costs being charged by the nursery . If the contractor opts to pick up the trees rather than accept delivery from the nursery , they cannot invoice the City for any additional delivery costs or labor hours . v . The Contractor shall submit procurement invoice ( s ) with procurement services per tree procured ( as found in the line - item pricing sheet ) and itemized tree material purchase receipts as part of monthly invoicing . vi . Tree materials may not be purchased through a broker unless approved by the City PM . 11 . TREE PLANTING a . PLANTING SEASON i . The typical planting season will be November 1st through the following March 31st . The City PM may request plantings outside of this period . ii . Planting Schedule 1 . Contractor shall notify the City PM of the beginning date of planting . Contractor must provide at least two weeks ’ notice prior to the start date . 2 . Contractor shall provide the City PM a Planting Schedule two weeks before the planting season begins . The Planting Schedule shall include dates on when 25 % of trees will be planted , 50 % of trees will be planted , 75 % of trees will be planted , and 100 % of trees will be planted . Deviations from this schedule shall be sent to the City PM for approval so that appropriate City staffing can be arranged for proper project management . iii . At the start of each planting day , Contractor shall notify the City PM of the first location of the day . b . SPACE TYPES AND PRICING CATEGORIES i . Tree planting and establishment work will occur on two primary space types , as determined by the City PM : 1 . Direct - Access Spaces : Locations where work vehicles can generally park adjacent to the planting space . Examples include most street tree planting sites , front yards , and non - gated parking lot trees . Pricing for Direct - Access Space plantings shall include all labor , equipment , hoses , pumps , relays , materials handling , and time necessary to perform planting work where direct truck access is generally available . 2 . Limited - Access Spaces : Locations where vehicle access may be limited and where planting and watering may require extended hose runs , pumps , relays , hand transport of materials , or additional labor time . Examples include trees planted in backyards , large private properties away from paved paths , gated properties that require access logistics , and sloped landscapes ( excluding the right - of - way ). Pricing for Limited - Access Space plantings shall include all labor , equipment , hoses , pumps , relays , materials handling , and time necessary to perform planting work where direct truck access is not available . ii . The Contractor shall submit separate unit prices for Direct - Access Spaces and Limited - Access Spaces as specified in the line - item pricing sheet . Unit prices are further separated by tree stock size . Each unit price includes costs to unload , store , transport , and install a single tree .

Oregon

2026-05-11