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greenscreen® 32 95 00

Exterior Planting Support Structure (Green Facade)

Page 14

Part 1General

1.1SUMMARY

  1. Section Includes

.1Construction and Installation of Exterior Planting Support Structure (Green Facade)
.2Preparation of topsoil
.3Vines and Climbing Plants
.4Mulch
.5Fertilizer
.6Pruning and Training
.7Maintenance
  1. Related Sections

.1 Section 31 22 13 - Rough Grading (Site Preparation)
.2 Section 32 01 90 - Landscape Establishment Maintenance
.3 Section 32 05 13 – Soils for Exterior Improvements: Topsoil Material
.4 Section 32 84 10 – Landscape Irrigation
.5 Section 32 91 19 – Growing Medium and Finish Grading
.6 Section 32 93 10 – Tree, Shrub and Groundcover Planting
.7 Manufacturer’s Specifications for Installation and Structural Attachment

1.2DOCUMENTS

.1 This section of the Specifications forms part of the Contract Documents and is to be read, interpreted, and coordinated with all other parts.

1.3SECTION INCLUDES

.1Provide labor, materials and installation for a complete structural system (welded wire, 3 dimensional, trellis panel or stainless steel, 2 dimensional cable), attachment accessories (posts, anchors and fasteners), plant material, growing medium, irrigation and maintenance.

1.4REFERENCES

.1greenscreen® guide specification

.2BC Landscape Standard, Latest Edition, BCLNA / BCSLA, /publications/documents/BC-Landscape-Standards-Preview.pdf

.3US Federal and State Noxious Weeds Database.

.4Invasive Plant Council of BC. http://www.bcinvasives.ca

.5Green Solutions, http://www.jakob.co.uk/images/stories/JakobAssets/pdf/GreenSolutionsG1.pdf

.6Green Walls 101, Introduction to Systems and Design, Participant’s Manual, Green Roofs for Healthy Cities, 2007,

.7Introduction to Green Walls: Technology, Benefits and Design, 2008, /Resources/download_it/IntroductionGreenWalls.pdf

.8Considerations for Advanced Green Facade Design, White Paper, September, 2012, /direct/GS_AdvancedGreenFacadeDesign.pdf

.9ANSI A300 – Tree Care Operations – Tree, Shrub and Other Woody Plant Maintenance – Standard Practices

.10ANSI Z60.1 – Nursery Stock

DEFINITIONS

  1. A Green Facade (as per this specification) is a vegetated vertical surface, either freestanding or wall mounted, in which climbing plants are installed and maintained to cover a supporting 2 or 3 dimensional trellising system.

  1. A Living Wall (refer to separate manufacturer’s specification) is a vegetated, compartmental system comprised of pre-vegetated panels, vertical modules and/or a hydroponic fabric that is vertically affixed to a frame or structural wall.

1.5SUBMITTALS

  1. Supply on-site dimensions, Architectural elevations and wall sections for the manufacturer’s representative to produce shop drawings.

  1. Shop Drawings: Submit showing sizes, critical dimensions, panel layout constraints using a 2 x 2 inch modular grid, details and locations of accessories.

  1. Product Data: Submit manufacturer’s product data, standard construction and planting details, and installation instructions.

1.6SUSTAINABLE DESIGN SUBMITTALS

        1. Section 01 81 13 – Sustainable Design Requirements: Requirements for sustainable design submittals.

        2. Manufacturer’s Certificate: Certify products meet or exceed specified sustainable design requirements.

        3. Materials Resources Certificates:

    1. Certify source and origin for salvaged and recycled products.

    2. Certify source for regional materials and distance from Project site.

1.7QUALITY ASSURANCE

  1. Perform work in accordance with applicable State, Municipal or Public Works standard.

1.8QUALIFICATIONS

  1. Green Facade System Manufacturer: Manufacturer must have minimum (8) years documented experience fabricating 3 dimensional green facade panels and components.
  1. Trellis System Construction Qualifications: Company must specialize in the construction and proper installation of green facades with a minimum of (3) years documented experience. Contractor to consider all equipment required for the proper installation of the green facade structural system including ladders, scaffolding, scissors lifts, boom trucks and applicable safety equipment typically required when working at elevation.
  1. Identification of the nursery (or nurseries). Nursery must have minimum (3) years documented experience specializing in climbing plants.
  1. Plant Installation Qualifications: Company must specialize in the installation, planting and maintenance of plant materials on green facades with a minimum of (3) years documented experience. Contractor to consider all equipment required for planting and installation of the plant material.
  1. Health and Safety requirements of local jurisdiction, insurance and bonding.
  1. Submit inspection certificates to Landscape Architect or Consultant for each shipment of plant material, hard goods and fertilizers. Plants to be free of disease, damage and hazardous insects.

1.9SUBSTITUTIONS

  1. Before substitution of plant materials is proposed; documented proof that materials are not available through search in relative close proximity (150 mile radius) to the installation site must be completed. Area of supply shall include but not be limited to the area as mentioned herein.

  1. Contractor may be permitted to suggest substitutions with types and variations possessing the same characteristics. The Landscape Sub-Contractor must request in writing any substitutions at least two (2) months before installation. All substitutions must be approved by the Landscape Architect or Consultant.

1.10DELIVERY STORAGE AND PROTECTION

  1. Protect plant material from frost, excessive heat, wind and sun damage during delivery. Replace, at no expense to the Owner, any plant material damaged as a result of the work of this section.

  2. For pots and containers, maintain appropriate moisture level in containers.
  3. Immediately store and protect plant material that will not be installed within 1 hour after arrival at site in storage location approved by Consultant.

1.11COORDINATION

    1. Provide Scheduling and timing of all green facade systems as specified and shown on Drawings, including confirmation of lead times required to fabricate, ship and obtain components. These lead times shall be fully incorporated into the Contractor’s Construction Schedule.

    1. Obtain approval from Consultant of schedule 7 days in advance of shipment of plant material.

    1. Provide Scheduling and timing of all planting works as specified and shown on Drawings, including confirmation of the lead time required prior to planting to obtain, grow, develop, harvest, and/or transplant. These lead times shall be fully incorporated into the Contractor’s Construction Schedule.

    1. Schedule to include:

      1. Date for selection of representative sample at source by the Consultant

      2. Quantity and type of plant material

      3. Shipping dates and arrival dates on site

      4. Planting Dates

      5. Maintenance schedule

    1. Scheduling to be organized to ensure a minimum duration of on-site storage of plant material, minimum movement and compaction of growing medium, and prompt mulching and watering operations. Work schedule to be coordinated with the Green Facade Construction Contractor (if not the same as the Installation Contractor) and other trades on-site. A maintenance schedule and Log of site visits and activities performed is required.

1.12WARRANTY

  1. The Contractor hereby warrants that plant material as itemized on plant list will remain free of defects in accordance with General Conditions for (1) one full year from date of Substantial Completion of planting installation to date of Final Acceptance, providing adequate maintenance has been provided.

  1. End-of-warranty inspection will be conducted by Landscape Architect or Consultant. The Landscape Architect or Consultant reserves the right to extend Contractor's warranty responsibilities for an additional one year if, at end of initial warranty period, leaf development and growth (50% increase in coverage after one year) is not sufficient to ensure future survival and even coverage vertically and laterally.

  1. Refer to manufacturer’s warranty on structural components. The Contractor(s) hereby warranty the structural green facade system and related installation will remain free of defects in accordance with General Conditions for (1) one full year from date of Substantial Completion for green facade structure construction.

1.1324 MONTH ESTABLISHMENT MAINTENANCE

  1. The 24 month establishment maintenance period begins at time of Final Completion of Warranty period or when Substantial deficiencies have been corrected to approval of Owner and continues to the end of the defined Maintenance Period, except as noted in this specification.

  1. Provide a schedule of activities and recorded in a log book. Provide a cost breakdown on an annual, bi-annual or month basis.

  1. Recommended Maintenance includes necessary watering, cultivation, weeding, pruning, training, disease and insect control using IPM (Integrated Pest Management) practices, protective spraying, replacement of unacceptable material, straightening plants which lean or sag, adjustment of plants which settle or are planted too low, and any other procedures consistent with good horticultural practice necessary to insure normal, vigorous and healthy growth of all work under this contract.

  1. Remove plant stakes immediately after installation.

  1. Performance metrics: Required growth will be as follows:

  1. 50% increase in foliage coverage after one year.

  2. 75% increase in foliage coverage after two years.

  3. 100% increase in foliage coverage after three years.

  4. If growth is not sufficient, extend the establishment maintenance for an additional year or two as required for even coverage vertically and laterally.

  1. Provide a separate price for on-going maintenance after the initial 24 month establishment maintenance period.

1.14INSPECTION

      1. Make all plants available for inspection by the Consultant in one location at least one (1) week prior to scheduled planting.

      1. Notify the Consultant at the completion of work for an Inspection for Substantial Completion of both the green facade structure construction and planting installation.

      1. Notify the Consultant at the end of the Warranty period.

      1. Notify the Consultant at the end of the 24 month establishment maintenance period.

      1. All plants are subject to inspection and may be rejected for failure to comply with this specification at any time until Substantial Completion, and the end of the Warranty Period. Rejected material shall be replaced and removed from the site at no cost to the Owner.

      1. Final inspection of all planting will be made at the end of the specified Warranty Period. For release from the Contract, all plant materials supplied or transplanted must be vigorous and in a healthy, satisfactory growing condition at the time of inspection. See 1.14.E Performance metrics.

      1. The Contractor shall be present during all required inspections as specified, or as required by the Landscape Architect or Consultant.

Part 2Products

2.1SUSTAINABLE REQUIREMENTS

      1. Encourage the use of a green facade system and accessories with recycled content or reduced resource efficiencies.

      1. Encourage the use of a green facade system and accessories that have completed an ISO Compliant 14040/44, third party verified Life Cycle Assessment (LCA).

      1. Encourage the use of plant material from nurseries that perform hand weeding, implement an Integrated Pest Management (IPM) system, integrate mycorrhizae in growing mediums and recycle irrigation runoff with micro-irrigation.

2.2STRUCTURAL SYSTEM AND ACCESSORIES

      1. greenscreen®, 3 dimensional, 14 gauge galvanized wire, welded trellis green wall panel with attachments, posts and accessories.

      1. Stainless steel (SS) cable net, Wire, Eye Bolts and Turnbuckles: Non-corrosive of sufficient strength to withstand wind pressures and movement of plant life.

      1. Attachment or anchoring: MINIMUM 480 LBS. per square foot pull out strength for wall mounted attachments of 3 dimensional panels.

      1. Wind loading. Consult with Building Structural Engineer.

      1. Freestanding supports, footings, posts and horizontal supports. Consult with Structural Engineer.

      1. Autofill or Integrated Planters with the building structure. Consult with Consultant, Landscape Architect and Building Structural Engineer.

2.3PLANT MATERIAL

      1. Species: In accordance with Standardized Plant Names, official code of American Joint Committee on Horticultural Nomenclature.

      1. Identification: Label individual plants.

      1. Type of root preparation, sizing, grading and quality: No. 1 Grade in accordance with ANSI Z60.1 the “American Standard for Nursery Stock” and the accepted standards of the American Association of Nurserymen; BCLNA and Canadian Standards for Nursery Stock; well branched, vigorous and balanced root and top growth.

      1. Refer to Plant List on Drawings. Nursery stock shall be true to name, and of the size or grade stated and to the measurements specified in the plant list. Measurements specified are minimum size acceptable for each variety.

      1. Plant material: free of disease, insects, defects or injuries and structurally sound with strong fibrous root system, stems and leaders. Ensure that plant material is not root bound in containers.

2.4PLANT SELECTION

  1. Select or provide plants suited to climatic conditions on site, refer to USDA plant hardiness zones and the greenscreen® Recommended Plants by Hardiness Zones (/Plants_main.html).

  1. Select or provide plants suited to micro-climate on each side of the building: light, heat, moisture, wind, ventilation.

  1. Select or provide plants that can endure environmental considerations including drought, arctic storms or desiccating winds in the winter.

  1. Select or provide plants that are appropriate for the height and size of green facade structure.

  1. Application:

  1. Loose vs. dense coverage.
  2. Evergreen vs. deciduous climbers
  3. Flowering, fragrance, fall color, special features.
  4. Habitat value (fruit, density of foliage) vs. discouraging wildlife.
  5. Diversity and adaption to climate change, drought and other environmental factors.

  1. Select or provide plant species that are NOT considered invasive in certain local jurisdictions.

  2. Consider plants that have local availability, quick establishment and long term plant performance.

  3. Select or provide plants that require structural support such as vines and climbing plants that twine, have leaf or stem tendrils and/or scramblers.

  4. Consider a diversity of climbing plants to avoid monocultures.

2.5SOIL AND AMENDMENT MATERIALS

  1. Place topsoil to depths as indicated on Drawings. Refer also to Section 32 91 19 - Landscape Grading: Preparation of subsoil and placement of topsoil in preparation for the Work of this section. Soils collected from site for reuse to be tested and approved by Consultant prior to installation.

  2. Fertilizer, Bone Meal, Lime, compost amender and Mulch: refer to Section 32 91 21 – Growing Medium and Finish Grading.

  3. Soils collected from site for reuse to be tested and approved by Consultant prior to installation.

  4. Water: Potable and free of impurities that would inhibit plant growth. Encourage the use of rainwater harvested on site, captured condensate from HVAC equipment and treated greywater.

  5. Minimum Soil Volume (on grade):

  1. Small vine, planted individually to achieve full height: 35.3147 cubic feet/1 cubic meter (1m3) per plant.

  2. Medium vine, planted individually to achieve full height: 70.6293-105.944 cubic feet/2 – 3 cubic meters 2-3m3) per plant

  3. Large vine, planted individually to achieve full height: 176.573 cubic feet/5 cubic meters (5m3) per plant

  1. Vines planted in a continuous trench:

2.6PLANTERS

  1. Soil Volume in Planters: minimum 6 cubic feet (0.2m), 18” on center for small climber / low growth habit. Minimum 24’ X 24” x 6’ (600mm x 600mm x 1800mm) with auto-fill reservoir. Standard planters 24 x 30” depth x 8’ preferred.

  2. Lightweight growing medium in planters as per FLL green roof standards or acceptable engineered soils as designed and specified by Landscape Architect.

  3. Autofill and/or Integrated Planters with the building structure

2.7IRRIGATION

  1. Recommended irrigation system shall include the following:

    1. Spray, autofill or drip irrigation

    2. Flow meters

    3. Smart weather based/satellite internet protocol

    4. 24/7 Monitoring

2.8SOURCE QUALITY CONTROL

      1. Testing is not required if recent tests are available as per Section 32 91 19 – Growing Medium and Finish Grading.

Part 3Execution

3.1GREEN FACADE CONSTRUCTION

  1. Ensure green facade structure components are acceptable to Consultant upon delivery. Inspect for damage and missing components. Notify shipping company immediately and file shipping claim if damage has occurred or if there are missing items.

  1. Locate and verify area(s) for on-site installation.

  1. Install components as per Architectural Drawings, Manufacturer Recommendations and Shop Drawings.

  1. If Construction Contractor is different than Plant Installation Contractor, ensure acceptance of Substantial Completion and the correction of all deficiencies by Consultant after green facade construction.

3.2PREPARATION OF SUBSOIL

      1. Construction occupational health and safety practices shall comply with Section 01 35 29.06 - Health and Safety Requirements. Review Work Safe or equivalent requirements.

      1. Prepare subsoil to eliminate uneven areas. Maintain profiles and contours. Make changes in grade gradual. Blend slopes into level areas.

      1. Remove foreign materials, weeds and undesirable plants and their roots. Remove contaminated subsoil.

      1. Scarify subsoil to a minimum depth of 8” where plants are to be placed. Repeat cultivation in areas where equipment, used for hauling and spreading topsoil has compacted subsoil.

      1. Verify that prepared subsoil is ready to receive planting.

      1. Ensure plant material is acceptable to Consultant and plant only during the season or seasons normal for such work determined by weather conditions and or as approved by Consultant.

      1. Remove damaged roots and branches from plant material.

3.3EXCAVATION AND PREPARATION OF PLANTING BEDS

      1. Establishment of sub grade for planting beds is specified in Section 31 22 13   Rough Grading. Subgrade conditions must be approved by Consultant prior to planting.

      1. Preparation of planting beds, soil placement and finish grading is specified in Section 32 91 19.13   Growing Medium Placement and Grading:

.1Stake out location and obtain approval from Consultant prior to excavating. On-site adjustments may be necessary. Contractor to coordinate with Consultant.
.2Excavate to depth and width as indicated. Remove subsoil, rocks, roots, debris and toxic material from excavated material that will be used as planting soil for trees and individual shrubs. Dispose of excess material.
.3Scarify sides of planting trench and loosen bottom 6” – 12” (150 – 300 mm). Contractor to ensure positive drainage at bottom of planting hole prior to installation – refer to Drawings. Remove ground water that enters excavations prior to planting. Notify Consultant if water source, ground water is present.

3.4PLANTING

      1. Plant vertically in locations as indicated.

      1. Orient plant material to give best appearance in relation to structure, roads and walks.

      1. All plant material should be placed in close proximity to the panel installation with the root ball being a maximum of 12” away from the panels.

      1. All temporary staking or trellising required at the nursery should be removed and recycled.

      1. Remove container and place root ball into planting hole. The crown of the root ball should typically be at the same height as it was in the container. Ensure roots are loose and not root bound from nursery containers. If circular roots are present, loosen root ball and spread root mass in planting hole.

      1. Prune any damaged or stray tendrils that will not attach or be trained appropriately to the panels.

      1. If necessary, use only biodegradable ties or jute twine to attach tendrils and leaders to the panels.

      1. Apply a water soluble, slow release 12-12-12 fertilizer and backfill root ball. Organic fertilizer, such as 5-5-5, can be applied in Spring and Early Summer to promote healthy plants and blooming if flowering plants are installed.

      1. Weave vine tendrils into the panel starting at the bottom. Larger plant material can be tied onto the panels with biodegradable ties at the bottom and woven into the panels at the end of the tendrils. Tendrils should be spread equally both horizontally and vertically to eliminate bare areas between plants and to promote uniform coverage of the panels.

      1. Grade planting bed to maintain positive drainage and prepare site for irrigation installation.

      1. Water plant material thoroughly. After soil settlement has occurred, fill with soil to finish grade.

3.5FERTILIZER APPLICATION

      1. Fertilize as per recommendations based on soil test results and type of plant or habit (foliage vs. flowering).

3.6MULCH APPLICATION

      1. Ensure soil settlement has been corrected prior to mulching.

      1. Mulch all vines and planting areas to a 2" (50mm) to 6” (150mm) depth as per detail drawings. Ensure soil settlement has been corrected prior to mulching. Light rake to remove excess mulch away from stems and base of trunks and to eliminate low spots that could pond in rain events.

3.7PRUNING AND TRAINING

  1. No pruning of any plant material shall commence without prior approval of Consultant. Refer also to Section 32 93 43 – Pruning. Prune trees and shrubs according to accepted horticulture practices as outlined in the “Pruning Manual, Publication No. 1505,” by Agriculture Canada and ANSI A300 standards.

  1. Prune and train each plant leader or tendril to spread laterally and vertically for even foliage distribution on the green facade.

  1. Prune only with sharp tools. No flush cutting or branch stubs to be left.

  1. Pruning should occur at minimum once during the Warranty Period with two additional annual applications per year during the 24 month establishment maintenance period. Different plants have specific growth habits and pruning schedules should be adjusted as needed. If plant material is aggressive, additional pruning schedules may be required.

  1. Plants should be maintained and pruned, so that all parts of the plant remain on the panels. Remove any leaders, shoots or tendrils that are directed back to or have attached to the facade. The frame of the panel can be used as a pruning template in any dimension. All blooming plant material should be pruned after the flowering sequence in order to maintain the seasonal, visual aesthetic. Shearing on the front of the panels can be beneficial in tight right-of-ways to maintain circulation and heavy pruning at the top and sides of the panel will encourage uniform coverage. Remove any damaged or diseased tendrils (branches) and weave any runners or long shoots back into the panels. Remove any horizontal branching along the ground plane that is growing away from the panels. Collect and remove any pruning clippings and compost.

3.8MAINTENANCE DURING WARRANTY PERIOD

      1. From time of Final Completion (correction of all deficiencies) granted by Consultant to end of Warranty Period, perform following maintenance operations to acceptance by Consultant:

.1Water to maintain soil moisture conditions for optimum establishment, growth and health of plant material without causing erosion. The irrigation system should be inspected for broken or clogged lines, damaged spray heads and line leaks. All drip irrigation should be checked to ensure adequate water delivery. Visually check that zones are operating efficiently and adjust controller time settings based upon installation timing, growing season and watering requirements.
.2Prune and train each vine planted to spread laterally and vertically for even foliage distribution on the green facade.
.3Remove weeds monthly.
.4Replace or re-spread damaged, missing or disturbed mulch.
.5For non-mulched areas, cultivate as required to keep top layer of soil friable.
.6Apply water soluble or organic fertilizer in early spring as indicated by soil test.
.7If required to control insects, fungus and disease, use appropriate control methods in accordance with Federal, State, Municipal or Provincial regulations. Obtain product approval from Consultant prior to application.
.8Remove dead leaves, damaged or broken branches from plant material.
.9Remove and replace dead plants and plants not in healthy growing condition. Make replacements in same manner as specified for original plantings.
.10Protect the base of the plant stem or trunk from damage caused by string line trimmers, human traffic, vehicles, snow removal and maintenance equipment.
.11Protect the root zone of the plant from salts and de-icers used in the winter season.
.12Visually inspect the green facade support structure to identify any finish areas that may have been compromised and require cleaning and/or sealing paint. Inspect all fasteners and attachments to make sure that there are not any missing or broken components. Replace damaged and/or broken attachments and fasteners with original components.

3.9MAINTENANCE DURING 24 MONTH ESTABLISHMENT PERIOD

      1. From time of end of Warranty Period (correction of all deficiencies) granted by Consultant to end of 24 month Establishment Period, perform following annual maintenance operations to acceptance by Consultant:

.1Water or irrigate to maintain soil moisture conditions for optimum growth and health of plant material. The irrigation system should be inspected for broken or clogged lines, damaged spray heads and line leaks. All drip irrigation should be checked to ensure adequate water delivery. Visually check that zones are operating efficiently and adjust controller time settings based upon installation timing, growing season and watering requirements.
.2Prune and train each climber planted to spread laterally and vertically for even foliage distribution on the green facade.
.3Remove weeds monthly.
.4Replace or re-spread damaged, missing or disturbed mulch.
.5For non-mulched areas, cultivate monthly to keep top layer of soil friable.
.6If required to control insects, fungus and disease, use appropriate control methods in accordance with Federal, State, Municipal or Provincial regulations. Obtain product approval from Consultant prior to application.
.7Apply water soluble or organic fertilizer in early spring as indicated by soil test.
.8Remove dead, broken or hazardous branches from plant material.
.9Remove and replace dead plants and plants not in healthy growing condition. Make replacements in same manner as specified for original plantings.
.10Visually inspect the green facade support structure to identify any finish areas that may have been compromised and require cleaning and/or sealing paint. Inspect all fasteners and attachments to make sure that there are not any missing or broken components. Replace damaged and/or broken attachments and fasteners with original components.
.11Submit monthly written reports to Consultant identifying:
          1. Maintenance work carried out.
          2. Development and condition of plant material.
          3. Preventative or corrective measures required which are outside Contractor's responsibility.

3.10REPLACEMENTS

      1. Replace any damaged or broken panels and attachments with identical according to Drawings. Replace any damaged or missing fasteners.

      1. Replace each defective or dead plant within 72 hours after notification by the Consultant and continue to replace each plant until it has established itself to the satisfaction of the Consultant.

      1. All required replacements shall be plants of the same size and species as specified on the plant list and shall be supplied and planted in accordance with the Drawings, Specifications and Change Orders thereto or as directed by Consultant.

      1. The cost of replacements resulting from theft, accidental damage, vandalism, carelessness, neglect on the part of others, shall be borne by the Landscape Contractor until the certified date of Substantial Completion.

      1. The cost of replacements resulting from theft, accidental damage, vandalism, carelessness or neglect on the part of others after the certified date of Substantial Completion shall be borne by the Owner.

3.11ACCEPTANCE

      1. Construction and installation of Green Facade system will be accepted by consultant at the end of the Installation and Warranty Periods for the Construction/Installation Contractor (if different from Plant Installation/Maintenance Contractor) provided that all deficiencies have been corrected to the satisfaction of the Consultant. Green Facade system will be accepted by the Consultant provided that components have been properly mounted with specified fasteners and accessories. All panels, mounting attachments, posts (if applicable) and accessories must be free of surface damage, bent or broken wires and corrosion.

      1. Planting will be accepted by Consultant at the end of Installation, Warranty and Maintenance Periods provided that all deficiencies have been corrected to the satisfaction of the Consultant. Plant material will be accepted by the Consultant provided that plant material exhibits healthy growing condition and is free from disease, insects, and fungal organisms.

      1. Plant material installed less than 4 days prior to frost will be accepted in following spring, 30 days after start of growing season provided that acceptance conditions are fulfilled.

3.12CLEAN-UP

      1. Remove from the site all pots, cans, surplus materials, and other debris resulting from planting and construction operations. Ensure complete removal of planting tags, labels, strings, or other materials prior to Substantial Completion. Neatly dress and finish all planting areas and flush all walks and paved areas clean to the satisfaction of the Consultant and Owner.

END OF SECTION



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