SECTION LANDSCAPING

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Laureen Higgins
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1 PART 1 -GENERAL 1.01 DESCRIPTION SECTION A. Furnish all labor, materials, and equipment required to complete all landscaping work indicated on the drawings and specified herein. This includes seeding, mulching, bedding, trees and schrubs. B. Sodding includes: 1. Preparation of sod beds. 2. Sod areas as indicated on drawings. 3. Maintain sodded areas. C. Seeding includes: 1. Preparation of seeded areas. 2. Seeded areas are all disturbed areas that do not include sod or planted beds. 3. Maintain seeded areas. D. Trees and Schrubs include: 1. Furnishing trees. 2. Locate and excavate planting pits. 3. Guy and/or stake trees as specified. 4. Mulch and fertilize beds. 5. Maintain trees. 6. Warranty and replacement of trees SUBMITTALS A. See Section Administrative Requirements, for submittal procedures. B. Maintenance Data: Include cutting and trimming method; types, application frequency, and recommended coverage of fertilizer. C. Submit list of plant life sources QUALITY ASSURANCE A. Nursery Qualifications: Company specializing in growing and cultivating the plants with three years documented experience. B. Installer Qualifications: Company specializing in installing and planting the plants with 3 years experience. C. Maintenance Services: Performed by installer during warranty period. PART 2 - PRODUCTS 2.01 MATERIALS A. Sod: 1. Sod shall be labeled with the correct botanical and common name for each species of grass specified. 2. Sod shall be harvested, delivered and transplanted within thirty-six (36) hours. 3. Sod broken in transit, dried out or delivered in any condition so that its survival is rendered doubtful will be rejected. 4. Keep stored sod moist and covered with moistened burlap to prevent dehydration and overheating while awaiting installation. 5. Do not pile sod more than two feet (2') deep. 6. Sod shall be nursery grown at least two (2) years old, unless designated othervvise. 7. Sod shall be pallets of live locally grown Bluegrass or Fescue Mix, as approved by the Architect. It shall be well knit and well rooted with uniform density, color and leaf texture. Sod shall be provided in strips not more than 18" wide or two feet (2') long. PWA /1

2 8. Grass shall be weed free. It is considered to be weed free when found to contain less then 5% objectionable weeds. 9. Soil thickness should be between one-half inch (1/2") minimum to one-inch (1") maximum. 10. Grass shall be uniformly cut at a height not to exceed two and one-half inches (2-1/2"). 11. The Owner reserves the right to inspect and approve or disapprove th sod intended for use by the Contractor. B. Grass Seed: Provide fresh, clean, new crop seed complying with tolerance for purity and germination established by the Association of Official Seed Analysts. 1. Grass Seed Mix: Provide certified mixture as follows: a. 50 percent by weight Kentucky bluegrass (Poa pratensis). b. 25 percent by weight Red fescue (Festuca rubra). c. 25 percent by weight Perennial ryegrass (Lolium perenne). 2. Sowing rate: 5 pounds per 1000 square feet. C. Plant Materials: See drawings for schedule. 1. The botanical and common names of specified plants shall conform to approved names D. Fertilizer: given in "Standardized Plant Names" (latest edition) prepared by the American Joint Committee on Horticultural Nomenclature. a. All plants shall be tagged with both the correct botanical and common name. b. Plant grades shall be in accordance with American Standard for Nursery Stock (ANSI Z60.1) of rules and grading adapted by the American Association of Nurserymen. c. All necessary state, federal and other inspection certificates shall accompany invoices showing source of origin and health of plant materials. d. All plant materials shall be well branched, well proportioned and equal to or larger than specified sizes. Evergreens shall be compact and full foliaged. All plants shall be rich in color, vigorous and healthy and free from insects, their eggs and larvae. All plants shall also be free from mechanical injury, cultural injury by animals and free of noticeable after-effects of insect attack or blight. e. Provide freshly dug shrubs. Do not use shrubs which have been in cold storage or heeled in. f. Plants shall be nursery grown for at least two (2) years under similar climatic conditions to the location of this project unless otherwise specifically permitted. g. Container grown stock shall have been growing in the container at least ninety (90) days prior to planting. Plants shall not be root-bound or loose in the ball. h. All balled and burlapped plants shall be adequately balled with firm natural balls of soil of a size which will promote continued vigorous growth. Balls shall be firmly wrapped with burlap or an approved equal material. No artificial balls will be permitted. i. Architect reserves the right to reject at any time or place prior to acceptance of work, any and all plants which in his opinion fail to meet these specification requirements. j. Upon submission of proof that a plant is not obtainable, a change order may be procured without an increase in contract price, if authorized by Architect, providing for use of another variety of plant, of the same size, quality and value as the original plant. k. The total number of plants shall be as indicated on the landscape drawings. If this total differs from the landscape schedule, the Contractor shall notify the Architect. 1. Fertilizer shall be delivered in manufacturer's standard containers showing weight, analysis and name of manufacturer. 2. Fertilizer shall be a complete formula and conform to applicable state fertilizer laws. 3. Fertilizer shall be uniform in composition, dry and free flowing; delivered to site in original unopened containers. Any fertilizer which becomes caked or otherwise damaged making it unsuitable for use will be rejected. 4. Store fertilizer in cool, dry, ventilated place, well protected from ground moisture and elements. 5. Fertilizer shall contain the following percentages by weight: PWA /2

3 a. Nitrogen 12% b. Phosphorous 12% c. Potash 12% 1) Contractor may use a complete commercial fertilizer with different N-P-K analysis after prior acceptance from the Architect. E. Top mulch for trees and all planting beds: 1. Mulch shall be fine grade shredded bark of a type that is not detrimental to specified plants. 2. Mulch shall be free of matured seeds of objectionable weeds and other foreign matter. F. Manure or leaf compost for trees: 1. Compost/manure shall be well-rotted, unleached cow manure. 2. Compost/manure shall be free of chemicals used to hasten decomposition artificially or any other substance injurious to plants. 3. Compost/manure shall be not less than nine (9) months old, and not more than two (2) years old. 4. Compost/manure shall contain no lumps which will not pass a two inch (2") screen MATERIAL PROTECTION A. All plant materials shall be protected from drying action of sun and wind during and after being dug, while being transported, and while awaiting planting. Balls of balled plants which cannot be planted immediately upon delivery shall be protected with soil, wood shavings or other approved material. 1. Store fertilizer in cool, dry, ventilated place well protected from ground moisture and elements PLANTING SEASON A. No planting shall be done in frozen or saturated soil or during an unfavorable season. B. Contractor shall notify Architect before proceeding with any planting operations. C. Planting shall be done within the following dates: 1. Sod may be placed at any time when the ground is not frozen. 2. Deciduous trees- March 1 to May 31 and October 1 to December Evergreen trees- March 1 to May 31 and September 1 to November 15. D. If special conditions exist which may warrant a variance in the above planting dates, a written request shall be submitted to the Architect stating the special conditions and the proposed variance. Permission for the variance will be given if, in the opinion of the Architect, the variance is warranted. PART 3 - EXECUTION 3.01 BED PREPARATION FOR SEEDING A. Where new topsoil is required, place 2" of topsoil on previously scarified subsoil to a minimum depth of four inches (4"). Place approximately one-half (1/2) of the total amount of planting soil required. Work into the top of the loosened subgrade to create a transition layer and then place the remainder of the topsoil. B. Preparation for Planting Lawns: 1. Limit preparation to areas which will be planted promptly after preparation. 2. Preparation of stripped areas: Loosen subgrade of lawn areas to a minimum depth of 4 inches. a. Remove stones of more than 1-1/2 inches in any dimension, sticks, roots rubbish and other extraneous matter. b. Place approximately 1/2 of total amount of topsoil required. Work into top of loosened subgrade to create a transition layer. c. Spread remainder of topsoil to minimum depth required to meet lines, grades, and elevations shown, allowing for light rolling and natural settlement. PWA /3

3. Preparation of unchanged grades: Prepare areas that have not been altered by excavating, grading, or stripping, as follows: a. Remove existing grass, vegetation, and turf.

4 3. Preparation of unchanged grades: Prepare areas that have not been altered by excavating, grading, or stripping, as follows: a. Remove existing grass, vegetation, and turf. Dispose of such material outside of the Owner's property; do not turn over into soil being prepared for lawns. b. Till soil to a minimum depth of 6 inches. c. Remove high areas and fill depressions. d. Remove lumps, clods, stones, roots, and other extraneous matter, leaving fine-textured homogeneous topsoil. 4. Fine-grade lawn areas to smooth, even surface with loose, fine texture. Roll, rake, and drag lawn areas, removing ridges and filling depressions, as required to meet finish grades. 5. Moisten prepared lawn areas before planting if soil is dry. Water thoroughly and allow surface moisture to dry before planting lawns. Do not create a muddy soil condition. 6. Prior to planting, restore to specified condition lawn areas eroded or otherwise disturbed after fine grading SOD INSTALLATION A. Sod shall be placed on all areas so designated on the drawings. Sod thickness shall be allowed for in all areas to be sodded. B. All stones, roots, and undesirable foreign materials shall be removed from topsoil prior to fertilizing and sodding. C. Prior to sodding, commercial fertilizer shall be uniformly spread over the entire area and mixed into soil to a depth of four inches (4"). The surface shall then be firmed with a light roller or other approved means and dampened by watering with a fine spray. Fertilizer to be spread at a rate of 1. 5 pounds of fertilizer per 1, 000 square feet. D. Sod shall be placed snugly, edge to edge, with staggered joints. Cut as required to fit irregular areas. Start sodding at the bottom of all slopes. Always lay sod with the long dimension of the pad perpendicular to the angle of the slope. Sod shall be thoroughly watered and lightly tamped or rolled in place to insure good contact with soil surface at all points so that the finished surface is true to grade. E. Sod placed on slopes 4:1 or greater shall be fastened in place with wood pegs of other approved means. F. Following completion of sodding, check edges of areas so that sod will be at proper elevation for drainage. Excavate or fill if necessary to provide proper elevation for sod SEED INSTALLATION A. Seeding: Sow seed using a spreader or seeding machine. Do not seed when wind velocity exceeds 5 miles per hour. Distribute seed evenly over entire area by sowing equal quantities in 2 directions at right angles to each other. 1. Do not use seed which is moldy, wet, or otherwise damaged in transit or storage. 2. Sow not less than the quantity of seed specified. 3. Rake seed lightly into top 1/8 inch of topsoil, roll lightly, and water with fine spray. B. Hydroseeding (Contractor's Option): Use only equipment specifically designed for hydraulic seeding application. 1. Mix seed, fertilizer, and pulverized mulch in water. Mix until uniformly blended into homogeneous slurry; continue mixing during application. 2. Apply slurry uniformly to all areas to be seeded. Rate of application as required to obtain specified sowing rate. C. Recondition lawns damaged by Contractor's operations including storage of materials and equipment and movement of vehicles. Also recondition lawn areas where settlement or washouts occur or where grading has been done. D. Removals: Strip diseased, contaminated, or otherwise unsatisfactory lawn areas and dispose of vegetation off site; do not bury into topsoil. PWA /4

1. Remove topsoil containing foreign materials resulting from Contractor's operations, including, but not limited to, oil drippings, stone, gravel, and other construction material; replace with new

5 1. Remove topsoil containing foreign materials resulting from Contractor's operations, including, but not limited to, oil drippings, stone, gravel, and other construction material; replace with new topsoil. 2. Plant lawns as specified for new lawns in similar areas CONSTRUCTION BELOW GROUND FOR TREES A. Any rock, rubble or other underground obstructions shall be removed to depth necessary to permit proper planting according to drawings and specifications. If underground obstructions or constructions are encountered in excavation of planting areas, other locations for planting may be selected by Architect upon notification. B. Utilities: 1. The Landscape Contractor shall notify utility companies, ahead of construction, to locate main utilities. 2. Utilities put in by the Contractor shall be located by the Contractor. 3. If there is a conflict with the utilities and proposed planting, other locations for planting may be selected by the Architect upon notification TREE AND SHRUB INSTALLATION A. Positioning: 1. Cooperate with other contractors and trades working and adjacent to the landscape work areas. Examine drawings which show the development of the entire site and become familiar with the scope of other work. 2. Planting shall be located and staked where shown on drawings, except where obstructions below grade or overhead are encountered, or where changes have been made in general construction of site. 3. No plantings shall be placed closer than eighteen inches (18") to pavements or structures, unless otherwise indicated. 4. Set plants upright in center of pit or trench and face to give the best appearance or relationship to adjacent structures. a. Excavation: 1) Excavation for planting shall be circular with vertical sides. Trenching may be used for planting hedges. 2) Tree pits shall be a minimum of twelve inches (12") greater than diameter of shrub ball or bare-root spread. 3) Notify the Architect in writing of all soil or drainage conditions which the Contractor considers detrimental to the growth of the plant material. State condition and submit proposal for correcting the condition, including any change in contract price. b. Planting and backfill: 1) Backfill to be clean natural soil excavated from planting pits mixed with topsoil at a ratio of three (3) parts soil to one (1) part topsoil. 2) Provide manure when backfilling in amounts per standard practice. 3) Rubble and debris shall be removed from backfill before placing in planting pit. 4) All plants shall be planted to same depth as previously grown. 5) Remove containers from all container grown plants. 6) The root-ball shall be placed on a bed of topsoil which has a minimum depth of six inches (6"). 7) All balled and burlapped plant materials shall be backfill carefully placed around base and sides of ball to two-thirds depth of ball, then thoroughly soak backfill with water to allow settlement. All wire, burlap fasteners and loose burlap around base of trunk shall be removed at this time before additional backfill is added. Plants shall have burlap cut away or folded back from top one-third of ball before applying water. Remainder of pit shall then be backfilled, allowing for depth of mulch, saucer and settlement of backfill as shown on drawings. Backfill shall then be thoroughly watered. At no time shall ball or backfill be tamped or treated in manner injurious to root system. PWA /5

8) On all slopes, soil mix shall be formed into an adequate dam or shoulder on c. Mulching downhill side to catch and hold water and avoid erosion; slope on uphill side shall be properly drained.

6 8) On all slopes, soil mix shall be formed into an adequate dam or shoulder on c. Mulching downhill side to catch and hold water and avoid erosion; slope on uphill side shall be properly drained. 1) Mulch shall be applied within two (2) days after planting. 2) Mulch shall be free of extraneous material and evenly spread to a depth of three inches (3") unless otherwise specified. d. Pruning and repair: 1) After planting is completed, prune and repair injuries to all plants. 2) Prune in such a manner as not to change natural habit or shape of plant unless otherwise directed by the Architect. Make cuts flush leaving no stubs. 3) Limit amount of pruning to minimum necessary to remove dead or injured twigs and branches and to compensate for the loss of roots as a result of transplanting operations. 4) Cuts of three-quarter inch (3/4") or more to be painted with paint which is waterproof, adhesive and elastic, antiseptic, free from kerosine, coal tar creosote, or any other material injurious to the life of the tree PROTECTION AND MAINTENANCE OF LAWNS A. Provide necessary lawn care including fertilizing, weeding, erosion repair, watering, mowing and removal of excess clippings to permit establishment of uniform lawn coverage until acceptance. Provide maintenance of protection fences, barriers or warning signs needed to protect sodded area from damage. B. After grass has started, all areas greater than eight inches (8") square which fail to show a uniform stand of grass for any reason whatsoever shall be re-sodded and repeatedly until all areas are covered with a satisfactory growth of grass. C. In watering lawns, the quantity of water applied at one time shall be sufficient to penetrate the soil to a minimum depth of six inches (6"), and at a rate which will prevent saturation of the soil. During extremely hot weather, care must be taken to prevent over watering, and water applications shall be spaced at longer intervals, unless grass is in danger of drought damage. D. At time of first cutting, set mower blades two and one-half inches (2-1/2") high. All lawns shall receive at least three (3) mowings before final acceptance. No more than one inch (1 ")of blade to be removed at a single cutting. E. MAINTENANCE OF TREES 1. Provide maintenance for all plantings, i.e. material bedding, wrapping, adjusting supports, etc., until accepted. Following acceptance, Owner wil maintain all plants. 2. Prior to acceptance, provide Owner with complete written annual maintenance instructions 3.07 CLEANING SITE including: watering, fertilizing, spraying, mulching and pruning. Supply Architect with a copy at the same time. A. Remove all trash, excess materials and other debris from site during course of landscape operation to avoid accumulation at project area. Maintain paved areas utilized for hauling equipment and materials clean of all rubble and debris at all times. B. At the completion of planting operations, remove all trash, excess materials and other debris. Clean and wash all walks, paving and other surfaces from any soil or dirt that accumulated during or as a result of planting operations. Leave planting beds free from litter before final acceptance. C. Any areas damaged as a result of the planting operations shall be restored to their original conditions INSPECTION AND ACCEPTANCE OF LANDSCAPE WORK A. After completion of planting operation and upon written request for inspection from Contractor, an inspection shall be made by Architect. Condition of planting operation shall be noted and PWA /6

7 determination made whether maintenance shall continue in part with no additional cost to Owner. B. After inspection, Contractor shall receive written notification of acceptance of all planting work, (exclusive of plant guarantee replacement), or if any deficiencies of requirements for acceptable completion of all work. Any maintenance or other work remaining to be done shall be subject to re-inspection before acceptance. C. After notification of acceptance of all planting work, Contractor shall remove all tags and labels from plant materials PLANT WARRANTY AND REPLACEMENT A. All new plant materials planted by Contractor shall have 1 00% replacement warranty for period of one year following the date of planting acceptance or substantial completion whichever is later. B. At end of warranty period, and upon written request from Contractor, an inspection will be made. Any plant material required under this specification that is dead or not showing satisfactory growth, as determined by Architect, shall be promptly removed from site and replaced by Contractor during normal planting season. Replacement shall be of same variety, size and character as specified for original planting. C. Replacement shall have same warranty as specified under "Warranty." 3.10 FINAL ACCEPTANCE A. After replacements have been made and upon written request from Contractor, an inspection will be made by the Architect. Upon acceptance, Contractor will receive written notification of final acceptance. END OF SECTION PWA /7

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EXTERIOR PLANTS

EXTERIOR PLANTS c. Fertilize immediately prior to sodding or immediately after the sodding operation at a rate of.5 pounds of nitrogen per 1000 square feet. d. Work is to be done at typically accepted sodding times in