825FURNISHING AND PLANTING OF PLANT MATERIALS

- 707 - SECTION 825 -- FURNISHING AND PLANTING OF PLANT MATERIALS

825.01Description

delivering, and planting the "plant materials."

plants of all descriptions.

Hortorium, Cornell University, shal l be the Department's reference for species nomenclature.

825.02Material Requirements

Contractor shall submit to the Department:

shown on the plant hardiness zone map in the special provisions.

Deciduous -- August 15 to December 1.

weather, soil conditions, and accepted local practices.

unless specified otherwise (i.e., collected plant materials).

Materials". Collected plant material is non-nursery-grown plant material, including coniferous plant material grown for Christmas trees, which has not received the normal transplanting and root pruning given nursery-grown plant material.

appearance and physical properties standard described in the American Standard for Nursery Stock published by the American Association of Nurserymen, Inc.

Furnishing and Planting of Plant Materials

- 708 - (4) Size or age.

individual plants, boxes, bundles, bales, or other containers to insure that all species and varieties are identified.

the species shown on the plant label shall be removed and replaced at no additional cost to the Department.

species or variety and shall have well- formed tops and healthy root systems.

serious injuries to the bark or r oots, broken branches, objectionable disfigurements, shriveled dry roots, br oken root balls, insect pests, diseases, or which are not found to comply with these Specifications will be rejected.

as soon as practical. Diseased or insect infested plant material shall be removed within 24 hours of notification or identification.

hawthorns must occur before they are planted.

examination at any time to ascertain the condition of the roots and the soil around the roots.

specified sizes, the Department may elect to negotiate for a unit price reduction or increase.

materials.

other detrimental effects have occurred.

material is cause for rejection of the plant material. The soil for balled, container-grown, or pot-grown material shall be in such condition so as to insure no crumbling or cracking. Balls shall be wrapped with burlap before removal from the ground. The burlap shall be held in place with cord and/or pinning nails. Handling of balled and burlapped material shall be done in such a manner as to keep the earth intact. Plant material on which earthen balls do not hold together or which cr ack in handling causing the plant to be loose in the ball will be rejected.

in burlap lined wire baskets, unless otherwise specified.

20-10-5 (20% nitrogen, 10% phosphorous , and 5% potash) analysis with a mass of 21 g ± 1 g per pellet; or the pellets may have a 14-3-3 (14% nitrogen, 3% phosphorous, and 3% potash) analysis with a mass of 16 g ± 1 g per pellet. Either pellet shall contain a minimum of 11.5% water insoluble nitrogen.

32% nitrogen or an approved equal. Furnishing and Planting of Plant Materials 825.03

- 709 - 12. a. All mulch shall be approved by the Department.

wood mulch shall not have been subjected to conditions that would cause it to lose its value as mulch. The mulch shall be reasonably free from sawdust and other foreign materials and shall be free of toxic substances.

(38 mm x 38 mm x 1.8 m) for all trees less than 2 inches (50 mm) in trunk caliper and coniferous trees less than 8 feet (2.4 m) in height.

or commercial plant ties approved by the Engineer. The minimum size of wire used for guying shall be 14 gage (1.9 mm) soft drawn. The hose shall be nylon, rubber, or reinforced plastic and shall have an inside diameter of at least one-half inch (12.5 mm), and a mi nimum length of six inches (150 mm).

approval.

polymer in a powder form regularly manufactured for agricultural or horticultural uses.

to and coat plant roots when they are dipped in the solution.

Products List.

tetrachloroterephthalate (Dacthal) or an approved equal.

an approved equal.

form air pockets and which will not compact uniformly shall not be used.

825.03Construction Methods

to and from the storage area and shall be packed to assure proper protection against injury.

the supplier shall be kept in storage.

roots shall be kept moist and protec ted with soil, sawdust, wood chips, shingle toe, moss, peat, straw, hay, or other acceptable moisture holding media.

material shall be in a protected outside area.

ventilation, protection from sun and drying wind, and be approved by the Engineer before delivery of the plants.

Furnishing and Planting of Plant Materials

- 710 - 2. Plant materials shall not be brou ght to the construction site until sufficient area has been prepared to allow proper and immediate planting.

hydrated absorbent polymer and water before transporting plants from storage to the planting site.

manufacturer and shall produce a gel that fully adheres to all roots and forms a coating around them.

immediately planted, from freezing, drying, breaking, overheating, and other injuries.

into the soil before excavating the planting hole. The dimensions of the area and the depth to be tilled shall be shown in the contract.

brush within the planting area that cann ot be removed by tilling. Immediately after cutting, stumps shall be treated with 2-4-D amine or other approved chemicals.

before the spring planting season with written permission from the Engineer.

satisfactory to the Engineer.

the ball carefully into the hole on undisturbed soil at the proper planting depth as shown in the contract.

enough to stabilize the plant in position.

balled and burlapped plants. Wire baskets shall be cut off half way down the side of the ball. The burlap shall be pulled back from the trunk and cut off.

complete the backfill, and then consolidate by watering.

project site.

planting hole or so roughly handled as to cause the ball to crack and pull away from the roots shall be rejected.

bruised or broken root shall be pruned to leave a clean cut.

grown and then plumbed and partially backfilled.

watering. Furnishing and Planting of Plant Materials 825.03

- 711 - 8. a. The Contractor shall fertilize all plant material during the planting operation as indicated below or as shown in the contract.

roots.

planting hole during planting after the plants are partially backfilled (approximately 50% of the backfill material in place) at the following rates:

(50 mm) in trunk caliper or less than 8 feet (2.4 m) in height.

(50 mm) in trunk caliper or taller than 8 feet (2.4 m) in height.

May 15 and June 1 of the year following initial planting.

solution.

metered to insure the solution is applied as specified.

urea per 300 parts of water and applied at the following rates:

of solution per mete r) of foliage spread. .

solution per meter) of plant height.

solution per meter) of plant height.

of solution per millimeter) of trunk caliper.

following the backfilling operation th e same day they are planted. This watering shall completely saturate the backfill. After the ground settles as a result of the watering, additional backfil l shall be placed to match the level of the finished grade as shown in the contract.

was growing.

planted.

the specified time limit.

by weather conditions, soil conditions, and as directed by the Engineer until final acceptance.

life, every 10 days during the establis hment period unless excused by the Engineer.

Furnishing and Planting of Plant Materials

- 712 - f. The recommended water application rates are shown in Table 802.01. Table 825.01 Recommended Plant Establishment Watering Rates Plant Type Water Application Rate Trees 10 gallons (38L) per tree every 10 days Shrubs 5 gallons (19L) per shrub every 10 days

material to remove dead or broken roots and branches, to improve plant structure, and to remove any branc hes that are rubbing each other.

manner satisfactory to the Engineer.

stake and guy the trees as shown in the contract. The stakes shall be driven so they support the trees, but stakes shal l not penetrate the ball or roots of the plants.

stake to the tree and yet allow some movement for proper trunk development.

shown in the contract. A second watering shall be applied in the completed watering basin before placing the mulch.

as shown in the contract.

basin and after the pre-emergent has been applied.

to the areas indicated in the contract before mulching and again the next spring. The application rate shall be the midrange of the manufacturer's suggested rate.

chemicals to all mulched areas to control weeds as needed or directed by the Engineer during the establishment period. The application rate shall be the midrange of the manufacturer's suggested rate.

items of work, as required in the c ontract, have been performed on each and every plant: planting, backfilling, fert ilizing, watering, pruning, staking, guying, water basin construction, applic ation of chemical vegetation control, and mulching.

the establishment period and qualify for partial payment.

following the year in which the plant material was planted. The establishment Furnishing and Planting of Plant Materials 825.04

- 713 - period may be extended for an additional 12 months for failure to maintain the plant material as specified or for pr oviding incorrect varieties or species.

maintain all materials under the contra ct and shall replace all unacceptable plant material in the spring planting season. The establishment procedures shall include:

required by necessity or the direction of the Engineer;

chemical applications or other approved means;

the Engineer, including the removal of any dead plant material from the project site.

Contractor and the Engineer will make a joint inspection of the project for acceptability.

material.

the establishment period terminates.

inspection.

the plant material before the inspecti on, and any item of maintenance that has not been performed may make a plant unacceptable.

Engineer when the establishment respon sibilities on the acceptable plant materials are terminated.

in the spring following the year in whic h the material was planted. The stakes shall be left on any replacement plant material. The Engineer may note exceptions. All stakes and guys furnished by the Contractor shall remain the property of the Contractor and s hall be removed from the project.

825.04Method of Measurement

measured by the each as listed in the bid proposal Schedule of Items.

825.05Furnishing and Planting of Plant Materials

- 714 - 825.05 -- Basis of Payment

_____ (Species) _____ (Size) Each (ea)

planted materials is shown in Table 825.02.

September 1 to determine the plants in an acceptable growing condition. The Engineer will determine acceptability of the plant material at the inspection.

establishment work after that determination will not be made. Table 825.02 Maximum Payment Percentages of Contract Unit Price (Spring Planting Only) Percent Authorization Time Payment is Authorized Criterion for Payment 50% of the contract price of each applicable item. After Planting Complete 1. Plant materials meet the Specifications, have been properly stored and transported to the work site.

Furnishing and Planting of Plant Materials 825.05

- 715 - Table 825.02 (continued) Maximum Payment Percentages of Contract Unit Price (Spring Planting Only) Percent Authorization Time Payment is Authorized Criterion for Payment An additional 10% of the contract price of each applicable item. An additional 10% of the contract price of each applicable item. An additional 10% of the contract price of each applicable item. July 31 August 31 September 30 1. Plant materials have been properly maintained as specified during the establishment period. 2. The Engineer will determine at the “Time Payment is Authorized” date whether procedures have been properly performed for the time interval indicated. At the July 31 authorization date, all establishment procedures from time of planting until July 31 will be evaluated; at the August 31 date, all establishment procedures from August 1 to 31 will be evaluated; and on September 30, all establishment procedures from September 1 to 30 will be evaluated.

interval(s) which were unacceptable and the Contractor cannot regain that payment. 4. An inspection will be conducted around September 1 to determine the number of plants that are acceptable. 5. If a plant is determined to be not acceptable, any 10% payment for establishment work after that determination will not be made. However, plants that are replaced before June 1 of the original planting year will be considered original plants.

Furnishing and Planting of Plant Materials

- 716 - Table 825.02 (continued) Maximum Payment Percentages of Contract Unit Price (Spring Planting Only) Percent Authorization Time Payment is Authorized Criterion for Payment An additional 20% of the contract price for all acceptable items. At the end of the establishment period. 1. The establishment period is completed. 2. All establishment procedures are complete and verified by the Engineer on all replanted material. 3. The Engineer has inspected the project and determined the acceptability of each plant based on the normal growth habit for the species or variety.

Engineer notified, etc., for the indicated time intervals in Table 825.02, then on July 31, August 31, and September 30, a payment for each period equivalent to 10% of the contract pric e of each item will be made on all acceptable plants.

time intervals in Table 825.02, then the “10% payment” for establishment work for the intervals that are unacceptable, are not authorized and those 10% payments will never be made.

and any additional losses from the winter shall be replaced during the subsequent spring planting season. Payment for replacement plant establishment work is not authorized. Plant replacement shall be at no additional cost to the Department and shall be in accordance with the contract.

material.

extend for 30 days after the last plant to be replaced is properly planted and accepted by the Engineer. No payments for replacement plants will be made until 30 days after the last plant is re placed. If plants are not replaced, the Engineer will deduct the 50% payment made at the original planting and will not make the 20% payment due at t he end of the establishment period.

of plants at the contract unit price that equals the payment or deduction authorized.

Payments and deductions are made fr om Department determinations of whether or not the work shown in T able 825.02 is properly completed.

- 717 - DIVISION 900 -- INCIDENTAL CONSTRUCTION 901 – FIELD LABORATORIES, FIELD OFFICES, AND SCALE HOUSES 908.01