32 93 00 Amend0013.pdf

Port Monmouth Phase II Contract 4B NJ PORTMONPIICT4B Amendment 13

SECTION 32 93 00

EXTERIOR PLANTING

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

TREE CARE INDUSTRY ASSOCIATION (TCIA)

TCIA Z133 (2017) American National Standard for Arboricultural Operations - Pruning, Repairing, Maintaining, and Removing Trees, and Cutting Brush - Safety Requirements

AMERICANHORT (AH)

ANSI/ANLA Z60.1 (2004) American Standard for Nursery Stock

ASTM INTERNATIONAL (ASTM)

ASTM D4972 (2018) Standard Test Methods for pH of Soils

ASTM D5268 (2019) Topsoil Used for Landscaping Purposes

L.H. BAILEY HORTORIUM (LHBH)

LHBH (1976) Hortus Third

1.2 SCOPE OF WORK

LOW MARSH, HIGH MARSH AND SCHUB SHRUB WETLAND VEGETATION PLANTING: Work under this section shall consist of the pick up, delivery, and installation of plants and soil amendments (if necessary) in accordance with the plans and specifications, and as directed by the Contracting Officer. Plants shall be obtained from a local (within 125 miles of the project site) nursery approved by the Natural Resources Conservation Service (NRCS).

All planting activities will be done on foot. No heavy equipment shall be used on the site after grading has occurred.

The Contractor shall carefully protect all preserved areas as shown on the plans, and shall also be liable for any and all damages to property caused by the work under this section. Any damages to property or to vegetation within preserved areas shall be restored to the original conditions to the satisfaction of the Contracting Officer.

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1.3 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. The following shall be submitted in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-01 Preconstruction Submittals

Planting Plan ; G, PB

The Planting Plan shall be agreed upon and signed by the Contracting Officer.

Quality Control Record ; G, PB

When planting operations are complete, the Contractor shall submit a Quality Control Record.

Estimated Planting Plan ; G, PB

Submit 45 days prior to commencement of planting operations.

SD-03 Product Data

High Marsh Plants ; G, PB

Submit data sheets and catalog cuts 30 calendar days prior to starting work. The data sheets shall show that materials meet the requirements specified herein. Data sheets shall include the following:

a. Plants. Classification, botanical name, common name, size, root type, quantity by species, and growing location.

b. Plant fertilizer: Chemical analysis and composition percent.

c. Copy of Order

Delivery Schedule ; G, PB

Submit a delivery schedule at least 10 calendar days prior to the first day of delivery.

Equipment ; G, PB

Submit a list of equipment to be used for the planting operation 3 days prior to starting work.

Finished Grade ; G, PB

At least 24 hours prior to the commencement of the planting operation, the Contractor shall submit verification that finished grades are as indicated on the plans. The Contracting Officer shall approve this submittal prior to commencement of planting operations.

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Low Marsh Plants ; G, PB

Scrub Shrub Plants ; G, PB

SD-06 Test Reports

Equipment Calibration ; G, PB

Within 1 week of testing, submit a certification of calibration tests conducted on the equipment used during the planting operations.

SD-07 Certificates

Two Full Growing Seasons Planting Guarantee ; G, PB

Submit a signed two full growing season planting guarantee at least 30 calendar days prior to commencement of planting operations.

Nursery Certifications ; G, PB

Indicate names of plants in accordance with the LHBH, including type, quality, and size.

SD-11 Closeout Submittals

As-Planted Plan ; G, PB

Submit as-built plan of plant material used, as well as a list of plant material quantities used, within two weeks following completion of planting operations.

1.4 QUALITY ASSURANCE

1.4.1 Nursery Certifications

Submit an inspection certificate on nursery letterhead with the name of plants in accordance with the LHBH, including botanical common names, quality, and size. An inspection certificate is needed to assure the expected plants were provided.

1.4.2 Nurseries

Nursery sources that may be considered for acceptable plant material include local nurseries within 125 miles of the project site and approved by the NRCS. A nursery specializing in restoration as oppose to purely landscaping is preferred.

1.5 ACCLIMATION

To avoid salt shock to the stock, all stock will be acclimated to the salinity concentration of 20 parts per thousand. Acclimation is described as growing at the prescribed salinity concentrations for a minimum period of 2 weeks prior to the shipment of the stock to the construction site.

Growers will be made aware that the acclimatization of the stock may take

SECTION 32 93 00 Page 3 several weeks.

1.6 DELIVERY, STORAGE, AND HANDLING

1.6.1 Plant Delivery Schedule

A delivery schedule, signed by the Contractor shall be submitted to the Contracting Officer 90 days after NTP. All substitutions must receive the approval of the Contracting Officer, upon consultation with the Project Biologist/Botanist.

1.6.2 Plant Labels

Deliver plants with durable waterproof labels in weather-resistant ink.

Provide labels stating the correct botanical plant name and variety as applicable and size as specified in the list of required plants. Attach to plants, bundles, and containers of plants. Groups of plants may be labeled by tagging one plant. Labels shall be legible for a minimum of 60 days after delivery to the planting site.

1.6.3 Plant Inspection

Inspections may occur at nursery by the Project Biologist/Botanist. The Contractor's Wetland Scientist may be present for joint inspections.

The Contracting Officer (or agent) will inspect all plants upon delivery and determine if they meet the requirements of the paragraphs QUALITY ASSURANCE and PLANTS. Any plants not meeting these requirements shall be rejected. Unauthorized substitutions will also be rejected. The Contractor will be responsible for replacing any rejected materials at no additional cost to the Government.

Other planting materials shall be inspected for compliance with the requirements herein. Open soil amendment containers or wet soil amendments shall be rejected. Unacceptable materials shall be removed from the Project Site by the Contractor.

The Contractor shall be responsible for all certificates of inspection of plant materials that may be required by federal, state or other authorities to accompany each shipment of plants and on arrival; the certificate(s) shall be filed with the Contracting Officer.

1.6.4 Layout

Plant material locations and bed outlines shall be staked on the project site by the Contractor and approved by the Contracting Officer before any plants or beds are excavated. Plant material locations may be adjusted by the Contractors Wetland Scientist with approval from the Contracting Officer, to meet field conditions.

1.6.5 Storage

1.6.5.1 Plant Storage and Protection

All areas used for temporary storage of plants must be enclosed with perimeter Herbivory Fence to prevent grazing by waterfowl and deer.

Containerized plants must not be stored on-site for more than 5 days before planting. Plants stored on-site for more than 5 days will be rejected and shall be replaced at no cost to the Government. Store and

SECTION 32 93 00 Page 4 protect plants not planted on the day of arrival at the site as follows:

a. Shade and protect plants in outside storage areas from the wind and direct sunlight until planted.

b. Keep plants in a moist condition until planted by watering with a fine mist spray.

c. Do not store plant material directly on concrete or bituminous surfaces.

d. Plants not installed on the day of arrival at the Project Site shall be stored and protected in designated areas from direct exposure to wind and sun.

e. Use silt fencing to minimize wind desiccation dessication .

1.6.6 Handling

Do not drop or dump plants or shipping containers from vehicles. Avoid damaging plants being moved from nursery or storage area to planting site.

Handle container plants carefully to avoid damaging or breaking the earth ball or root structure. Do not handle plants by the trunk or stem. Remove damaged plants from the site.

1.6.6.1 Branched Plant Delivery

Deliver with exposed branches covered by a tarp during delivery which allows air circulation. Prevent damage to branches, trunks, root systems, and root balls and desiccation of leaves.

1.6.7 Watering

If planting is delayed for more than 6 hours after delivery, the Contractor shall take measures, approved by the Contracting Officer, to kept roots moist.

1.7 TIME RESTRICTIONS AND PLANTING CONDITIONS

1.7.1 Initial Acceptance

The plant material will be evaluated for acceptance 30 days after all the following have been completed or satisfied:

a. The plant material has been satisfactorily installed.

b. The wetland systems have been identified at an elevation directed by the Contracting Officer

c. All specified fencing has been installed adjacent to the planting area and accepted.

d. Invasive material within the planting area has been mechanically removed.

e. Herbivory exclusion systems have been put into place.

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1.7.2 Planting Dates

High Marsh Plants

Spring Season May 15 to June 30 Fall Season September 15 to October 15

Low Marsh Plants

Spring Season April 15 to June 15

Scrub Shrub Plants and Maritime Forest

Spring Season March 1 through May 1

Fall Season September 15 - December 1

Unless otherwise directed by the Contracting Officer, wetland plant material shall be installed as soon as greenhouse or nursery plants are of acceptance size, hardened off and acceptable quality between May 15th and June 30th.

1.7.3 Restrictions

Planting operations shall be performed only during periods when beneficial results can be obtained. When drought, excessive moisture, frozen ground, temperatures above 80 degrees Fahrenheit or below 34 degrees Fahrenheit or other unsatisfactory conditions prevail, the work shall be stopped as directed by the Contracting Officer. When special conditions warrant a variance to the planting operations, and proposed planting times shall be submitted for approval.

1.7.4 Timing

Planting operations in the applicable zones shall be completed after the commencement of any seeding operations in those zones.

Plant on a daily basis only that portion of the planting area that can be completly enclosed by herbivory fence during tide conditions that do not inundate the planting site.

Planting shall not occur when the marsh surface is inudated. As a guide to determining high and low water predictions, use "Tidal Tables, current addition, East Coast of North and South America, Including Greenland," as published by U.S. Department of Commerce, National Oceanic and Atmospheric Administration.

1.8 TWO-YEAR PLANT GUARANTEE

The Contractor shall submit to the Contracting Officer, a written and signed two full growing seasons planting guarantee , which is conditional of 85 percent survival of the planted Contract quantity as detailed on the plans. Planting areas or portions thereof for which 85 percent survival is not reached shall be replanted once during the appropriate planting season for the planting area, to achieve a minimum of 85 percent of the planted Contract quantity.

The two-full growing seasons plant guarantee period shall commence on the date of the completion of construction, and shall end on October 15 on the

SECTION 32 93 00 Page 6 second growing seasons. The Contractor shall provide the commencement and ending dates as part of the Periodic Schedule Updates and Progress Curves submitted under Section 01 32 01.00 10 PROJECT SCHEDULE. The following are the terms and conditions of the two-full growing seasons plant guarantee:

Under the terms and conditions of the two-full growing seasons plant guarantee, the Contractor shall be solely responsible for plant survival.

Losses attributed to herbivores, disease, eutrophication, inappropriate hydrological regimes, drought, wind, wave energies or ice scouring shall not lower the minimum survival or coverage requirements.

At the end of the two-full growing seasons plant guarantee, the Contracting Officer shall make a determination as to whether the plants planted in the planting areas meet the conditions of the guarantee. Any planting areas or portions thereof not meeting the requirements of the guarantee shall be replanted in accordance with the paragraph REPLANTING.

PART 2 PRODUCTS

2.1 PLANTS

The Contractor shall purchase plants from a nursery source approved by the NRCS Plant Materials Center, Cape May, New Jersey. Should any of the specified plants be unavailable in terms of size and quality of condition, the Contractor shall notify the COR and the Project Biologist of a proposed substitute source. No substitutions shall be allowed without the approval of the COR and the Project Biologist. The Contractor shall be responsible for the pickup and delivery of all plant material.

Plants shall be nursery grown from seeds collected within New York or New Jersey. Plant materials may be obtained from outside the 100 mile radius only on an approved case-by-case basis. All specified plants shall have been grown in the same climatic zone as that of the planting site. All plants grown from seed collected outside of New York/New Jersey or grown at a nursery outside New York/New Jersey shall be subject to prior written approval by the Contracting Officer.

Should a plant material shortage occur the Contractor shall notify the COR immediately for additional coordination for a new plant order to replace the identified shortage.

The order shall follow the Planting Tables as shown on the plans. Should the nursery state that any of the specified plants will be unavailable or unsuitable in terms of size and quality of condition, the Contractor will immediately notify the Contracting Officer and provide a written list of potential substitutions. Upon approval, the Contracting Officer will supply the substitution list to the Contractor, at which time the revised plant order will be placed to the nursery.

2.1.1 Plant Species

a. Plants shall be first quality, nursery grown stock conforming to

ANSI/ANLA Z60.1 .

b. Plants shall be first quality, nursery grown stock conforming to

ANSI/ANLA Z60.1 .

c. Plants listed on the Planting Tables on the plans shall be planted in

SECTION 32 93 00 Page 7 the planting zones as shown on the plans: High Marsh , Low Marsh and Scrub Shrub . The Contractor shall follow the root, height, caliper, spacing, and quantity requirements listed on the tables , and the planting pattern as described in the planting notes.

d. Plant species may be adjusted by the contractors Wetland Scientist, to meet post construction field conditions, with approval from the Contracting Officer.

e. Plants listed on the Planting Tables on the plans shall be planted in the planting zones as shown on the plans: High Marsh. The Contractor shall follow the root, height, caliper, spacing, and quantity requirements listed on the tables, and the planting pattern as described in the planting notes.

2.1.1.1 High Marsh Plantings

In the high marsh zone Spartina patens and Distichlis spicata plugs of 6" minimum height with roots of 2"x2" peat plugs will be planted 1' O.C. As shown on Sheets L-101 through L-106, placement will be on the unprotected side from the outer limit of permanent easement line to the temporary easement line, over 0.42 acres.

2.1.1.2 Low Marsh Plantings

The low marsh must be planted with Spartina alterniflora plugs which are a minimum of 6” height in a 2”x2” minimum peat pot at 1’ O.C. approximate area: .065 acres, as shown in Plan Sheet L-107.

2.1.1.3 Staging Area Scrub Shrub Staging Plantings

The Creek Road staging area shall be planted with Baccharis halimfolia and Iva frutescens 36 inches minimum height, 8 feet on center. Shrubs shall be planted in multiple groupings of 5 to 10 to create patches to approximately elevation 4.0 to 5.0 feet over approximately 0.80 acres , as shown in Plan sheet L-104 .

Refer to Section 01 57 19 TEMPORARY ENVIRONMENTAL CONTROLS, Environmental Protection paragraph for direction on the wooded area.

2.1.2 Substitutions

Plant substitutions will not be permitted without written request and approval from the Contracting Officer. Any changes to the Estimated Planting Plan and the planting plan must be submitted at least 3 months prior to the commencement of planting operations.

2.1.3 Regulations and Varieties

Furnish nursery stock in accordance with ANSI/ANLA Z60.1 , except as otherwise specified or indicated. Furnish plants grown under climatic conditions similar to those in the locality of the project. Spray plants budding into leaf or having soft growth with an antidesiccant before digging. Plants of the same specified size shall be of uniform size and character of growth. All plants shall comply with all federal and state laws requiring inspection for plant diseases and infestation.

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2.1.4 Shape and Condition

Plants shall be well-shaped, well-grown, well-branched (where applicable), vigorous plants having healthy and well-branched root systems in accordance with ANSI/ANLA Z60.1 . Plants shall be free from disease, harmful insects and insect eggs, sun-scald injury, disfigurement, and abrasion. Plants shall be free of shock or damage to branches, trunks or root systems that may during digging and preparation for shipment, method of shipment or actual shipment. Plant quality is determined by the growing conditions, method of shipment to maintain health of the root system, and growth of the plant as follows. Plants not conforming to these requirements will be rejected by the Contracting Officer and shall be replaced by the Contractor at no cost to the Government.

2.1.5 Plant Size

Minimum sizes measured after pruning and with branches in normal position, shall conform to measurements indicated, based on the average width or height of the plant for the species as specified in ANSI/ANLA Z60.1 .

Undersized stock or material not conforming to the specifications may be rejected by the Contracting Officer, in consultation with the Project Biologist, at the time of delivery and must be replaced by the Contractor at no expense to the Government. Plants larger in size than specified may be provided with approval of the Contracting Officer, in consultation with the Project Biologist. When larger plants are provided, increase the ball of earth or spread of roots in accordance with ANSI/ANLA Z60.1 .

2.2 FERTILIZER

2.2.1 Marsh Fertilizer

Marsh fertilizer shall be slow release, uniform in composition, with a 18-6-12 nitrogen-phosphorus-potassium ratio. The fertilizer shall be derived from sulphur coated urea, urea formaldehyde, plastic or polymer coated pills or isobutylenediurea.

Fertilizer shall be balanced with the inclusion of trace minerals and micro-nutrients.

2.2.2 Shrub/Tree Fertilizer

Shrub/tree fertilizer must be a slow release tablet with a 20-10-5 nitrogen, phosphorus, potassium ratio. The fertilizer must be derived from sulphur coated urea, urea formaldehyde, plastic or polymer coated pills or with the of trace minerals and micro-nutrients

2.2.3 Mulch

Mulch must applied to each newly planted tree/shrub specimen as a top layer to a depth of no less than two inches, and consist of double shredded hardwood bark free from deleterious materials and suitable as a top dressing of trees and shrubs. Mulch must have been aged for a period of one year. Unaged shredded wood mulch or dyed mulch must not be permitted.

2.3 WATER

Water shall be the responsibility of the Contractor. Source of water to be

SECTION 32 93 00 Page 9 approved by Contracting Officer and suitable quality for irrigation and shall not contain elements toxic to plant life.

PART 3 EXECUTION

Any vegetation within preserved areas damaged by the work under this section, as determined by the Contracting Officer, shall be replaced immediately after the completion of the work at no additional cost to the Government.

3.1 3.1 PREPRATION

3.1.1 Planting Substrates

Planting substrates shall be free from debris, noxious weeds, toxic substances or other materials harmful to plant growth.

Prior to commencement of planting operations, the Contractor shall complete a Soils Test in accordance with ASTM D5268 and ASTM D4972 to determine the pH, organic matter, soluble salt, and nutrient contents, as well as soil texture, of the planting substrates. Separate sample collections shall occur for each planting area, and be random over the separate areas. Based on the results of these tests, soil amendments will be added if necessary as directed by the Contractors Wetland Scientist and the Contracting Officer, in consultation with the Project Biologist.

Material to be reused in aareas to be seeded and planted shall be screened prior to placement of the topsoil to a depth of 1 foot below grade for all construction slag, cinders, stones, lumps of soil, sticks, roots, trash or other material greater than 1/2 inch. Unacceptable materials shall be properly removed from the Project Site by the Contractor.

3.1.2 Finished Grade

Prior to the commencement of the planting operations, the Contractor shall verify that finished grades are as indicated on the plans, and the finishing and compaction requirements have been completed in accordance with Section 31 00 00 EARTHWORK. After grading is complete, heavy equipment is prohibited from entering planting areas.

3.1.3 Equipment Calibration

Immediately prior to the commencement of planting operations, calibration tests shall be conducted on the equipment to be used. These tests shall confirm that the equipment is operating within the manufacturer's specifications and will meet the specified criteria. The equipment shall be calibrated a minimum of once every day during the operation.

3.2 Herbivory Fence

Herbivory fence shall be installed as described in section 01 56 10 HERBIVORY FENCE and shown on the plans after final grades are completed and approved by the Contracting Officer. Herbivory Fence shall be installed prior to or concurrently with installation of plantings in the high marsh zone and Creek Road staging areaUnder no circumstances are plants to be planted outside the containment of a satisfactorily installed Herbivory Fence.

SECTION 32 93 00 Page 10

3.3 3.3 PLANT INSTALLATION

Prior to commencement of planting, the Contractor shall examine the planting areas and conditions and notify the Contracting Officer, in writing, of conditions detrimental to the proper and timely completion of the work. The Contractor shall not proceed with planting until unsatisfactory conditions have been corrected in an acceptable manner, as approved by the Contracting Officer. Prior to plant installation, any previously prepared surface compacted or damaged shall be reworked to meet the requirements of paragraph PREPARATION.

If Phragmites australis (common reed) shoots have emerged within the planting areas between final grading and planting, they are to be removed mechanically prior to the commencement of planting. Mechanical methods may include hand pulling or cutting shoots to within 2 inches of final grade.

Mechanical removal may be done using equipment such as a brush cutter, string trimmer or weed whacker. Lawn mowers or tractors are unacceptable as heavy equipment may disturb final grading. All Phragmites removed must be disposed of as trash off-site.

All planting activities will be done on foot. No heavy equipment shall be used on the site after grading has occurred.

Subsequent to completion of planting, the Contractor shall only enter planted areas when absolutely necessary for the completion of the Project.

There shall be no exceptions.

3.3.1 3.3.1 Obstructions Below Ground

When obstructions below finished grades prevent planting operations, the Contractor shall submit a plan showing proposed adjustments to location, type of plant, and/or planting method to the Contracting Officer.

3.3.2 As-Planted Plan

The Contractor shall submit two copies of an As-Planted Plan to the Contracting Officer. Unless directed differently by the Contracting Officer, these plans shall be drawn to a scale of 1 inch = 30 feet and shall show as-built locations for the plant material used. A list of the quantities of each species installed in each of the planting blocks or areas shall also be submitted with the plans. Any deviations from the original planting plans, including approved substitutions, shall be clearly marked and documented.

3.3.3 Pruning

Prune in accordance with safety requirement of TCIA Z133 .

3.4 QUALITY CONTROL RECORD

When all planting operations are complete, the Contractor shall submit a Quality Control Record, which should include at a minimum:

1. Inspection/Rejection of Plant Material;

2. Results of all soil testing and resulting soil amendment activities;

3. All replacements or substitutions of plant materials;

SECTION 32 93 00 Page 11

4. Record of watering and mulching activities; and

5. Record of herbivory measures.

3.5 RESTORATION AND CLEAN UP

When planting operations have been completed, the Contractor shall restore any damaged areas to their original conditions.

Planting work areas shall also be cleaned up, including the removal of any excess materials. The Contractor shall remove damaged, excess, and waste materials from the Project Site and dispose of the materials off Government property.

3.6 PROTECTION OF INSTALLED AREAS

Immediately upon completion of the planting operations in an area, the area shall be protected against traffic or other use by erecting barricades and/or providing signage as directed by the Contracting Officer.

3.7 MAINTENANCE DURING CONSTRUCTION

Maintenance shall occur weekly. During the maintenance period and until final acceptance the Contractor shall do mechanical weed removal and seasonal spraying as necessary to keep plant materials free from invasive vegetation, insets and diseases. The Contractor shall furnish all materials and equipment and use all spray materials with extreme caution in regard to safety and health. Caution and instructions for spray materials shall be carefully read and observed.

During the maintenance period, the Contractor shall perform twice-yearly (May and early to mid August) joint surveys with the Project Biologist/Botanist followed by a meeting to decide on the invasive species control, i.e., removal or growth for herbicide. This will be followed by removal of invasive vegetation, i.e. Phalaris arudinacea (Reed canary grass), Phragmites australis (Common reed grass), Typha latifolia (Broad-leaved cattail), Typha angustifolia (Narrowed-leave cattail), Lythrum salicaria (Purple loosestrife), Ailanthis altissima (Tree of Heaven), Berberis thunbergii (Japanese barberry), Berberis vulgaris (Common barberry), Eleagnus angustifolia (Russian olive), Eleagnus umbellate (Autumn olive), Ligustrum obtusifolium (Japanese privet), Ligustum vulgare (Common privet), Rosa multiflora (Multiflora rose), Artemisia vulgaris (mugwort), Polygonum cuspidatum (Japanese Knotweed), Ampelopsis brevipedunculata (Porcelin Berry), Lonicera japonica (Japanese Honeysuckle), Persicaria perfoliata (Mile 2 minute vine), Celastrus orbiculata (Asiatic Bittersweet), Robinia pseudoacacia (Black locust), Morus alba (White mulberry) and debris. All other vegetation shall remain undisturbed.

The Contractor shall be responsible for the mechanical removal of any of the above invasives on a regular basis. Mechanical weed removal shall consists of the removal stems and rhizomes.

The Contractor shall be responsible for up to 3 herbicide applications during the guarantee period should phragmites show signs of re-invading the site, as per the determination of the Project Botanist/Biologist.

Timing of the applications shall be determined by the COR.

Herbicide shall be applied by a certified herbicide applicator.

SECTION 32 93 00 Page 12

Applications to herbaceous invasives shall consists of a glyphosate based herbicide with a non-ionic surfactant. Applications to woody invasives shall consist of spraying the cut stump with a product containing Triclopyr. All herbicides shall be applied by hand painting, back-pack sprayer or other controlled means to prevent damage to desirable planted vegetation. Any and all permits associated with herbicide application shall be solely Contractor responsibility.

Sprays shall be furnished and applied thoroughly, with assurance that recommended rates of the correct chemicals are used at proper times in the prescribed manner, for the complete eradication and control of disease and insects. All spraying shall be done at times when wind does not exceed a velocity of 5 miles per hour. Any damage to plant materials from herbicide shall be replaced at no cost to the Government.

3.8 REPLANTING

After installation is completed, remaining plants will become the responsibility of the Contractor to maintain and use as replacements, as directed by the Contracting Office.

At the end of the two full growing season plant guarantee, the Contracting Officer shall make a determination as to whether the plants planted in the planting areas meet the conditions of the guarantee. For non-surviving plants, the Contracting Officer shall select the species to be replanted.

The new plantings shall comply with the original Contract quantities as shown on the plans, as solely determined by the Contracting Officer.

Materials and installation shall be in accordance with the materials specifications and the paragraph PLANT INSTALLATION, respectively.

Replacement plants shall be guaranteed for a full growing season an additional 6 months starting from date of replanting. The planting substrates of areas replanted with shrubs shall be re-tested for soluble salts and pH levels to determine the appropriate species to be used.

At the direction of the Contracting Officer, the Contractor shall install and maintain additional Herbivory Fence around the replanted areas.

All labor, materials, equipment, and incidentals necessary to complete any replanting work associated with the two full growing season plant guarantee shall be at no additional cost to the Government.

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