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HomeMy WebLinkAbout4072-10D. PRESOAKING SEED: Seed noted to be pre—soaked shall be C GRADING: Areas shop be raked and floated smooth to done so in clean potable water for twelve (12) consecutive hours prior to hydroseeding. After B. TOP SOIL: Excess topsoil shall be removed from the 2. Minor pick—up items may be completed during the basic maintenance period such as: W. WEED CONTROL: provide a true and uniform surface. soaking is started, seed that drys out will be deemed site. A. KILLING WEEDS: Contractor shall germinate and destroy g y D. PLANT PITS AND FERTILIZER: Planting pits for ground unacceptable. C. NEATNESS: Leave the sidewalks and streets in a neat a. Resodding of bare spots in lawn. b. Replacement of damages or non—conforming P g g existing weed seeds before preparing areas for cover shall be 4" x 4" or adequate to accept material E. PREPARATION. and clean condition at the end of the day. y plant material. planting. Sufficient water shall be applied to cause week seed to sprout. Young weeds shall then be P g from flats without crushingor the rootball. g Place a 20-10-5— Agriform 5 gram fertilizer tablet in D. REMOVAL OF TAGS: Remove all tags, labels, nursery C. Re—staking or tying of frees. destroyed and removed before they have opportunity to each round cover. g 1. All hydroslurry mixes shall be mixed at the site under the observation of the Owner and Landscape stakes and ties from all plants unless otherwise P d. Lowering of sprinkler heads to grade after turf has established. set seed. E. PLANTING.- All ground cover areas noted on the pions Architect as it is placed in the hydroslurry directed, only at the end of all installations. f. Replacement of unauthorized substitutions. B. ADDITIONAL REQUIREMENTS. For additional weed killing, shall be rooted cuttings from flats and shall be planted in staggered rows continuously under all trees tank. XVII. PROTECTION: refer to Planting Notes on the Planting Plan. and shrubs at the spacing indicated on the plans. All 2. Begin slurry preparation by adding water to the B. FINAL MAINTENANCE INSPECTION: At the end of Vll. SOIL PREPARATION: plants shall be protected from drying out prior to tank when the engine is at one—half throttle. A. GENERAL: At all times during construction, adequate maintenance period and when ground covers and turf planting. When the water level has reached the height of protection shall be provided for all planted areas have established and all pick—up items have been A. SOIL REPORT: Before startingsoil preparation the P P the agitator shaft and good recirculation has against damage of any kind, until final acceptance by the Landscape Architect. completed, the Contractor shall request a final maintenance inspection. The Contractor will be Contractor shall submit a soil report to the Owner and Landscape Architect. If no soil report is submitted F. WATERING. Each section of ground cover shall be immediately watered upon completion of planting, and been established, add the fertilizer to the mixture (the tank shall be at least 1/3 filled advised by the Landscape Architect at the final it will be assumed that amendments were not added and thereafter as re q wired. with water at this time). ) B. RESPONSIBILITY The Contractor shall be held responsible for the care and preservation of all inspection that work is or is not satisfactory. the Landscape Contractor will be requested to give a credit for soil preparation. G. SPACING FROM EDGE: The first row of ground cover ,, 3. Open the engine throttle to full speed when the existing buildings and structures on the property and adjacent premises. Any port of them injured, damaged 1. If the work is satisfactory, the basic maintenance period will end on the date of the should always be within 6 of the edge of the planting area. tank is 1/2 filled with water. Add all organic amendments, fiber, seedmix and chemicals by the or disturbed because of his work shall be repaired, final inspection. B. COMPACTED AREAS: Soil areas that are compacted to time the tank is 2/3 to 3/4 full. replaced or cleaned by him at his expense. more than 929 duringsite preparation shall be ripped P P PP 2. If the work is unsatisfactory the basic ,� to a minimum of 12 prior to beginning soil preparation. These areas shall be defined by the X. SEASONAL COLOR: 4. Start spraying immediately when the tank is full XWH.GUARANTEE: maintenance period will continue at no additional expense to the Owner until the work Landscape Architect and be billed as an A. REFERENCE: Refer to Paragraphs V. W. VII. for finish and the slurry is mixed. has been completed, inspected and approved by extra if the unit price is quoted in the bid. grading, weed control, and soil preparation. A. SHRUBS: All shrubs shall be guaranteed as to growth g g the Landscape Architect. F. APPLICATION: and health for a period of ninety days after C. METHOD OF MIXING: If the slope is under 2 1 2 to 1 P � B. SOIL PREPARATION: Prepare the soil as per these completion of the specified maintenance period and or P P P � C. FAILURE TO PASS INSPECTION: if work fails to pass the soil preparation materials should be broadcast P P specifications and the Planting Notes on the Planting 1. Apply the hydromulching in the form of a slurry final acceptance b the Owner. P y final inspection, any subsequent inspections must be uniforml over all landscape areas and worked to a Y P Plan. consisting of organic soil amendments, rescheduled as per above, and will be charged to the depth of 6" b a rototilier or other acceptable P Y P commercial fertilizer, and other chemicals B. TREES. Trees shall be guaranteed to live and row in 9 9 Contractor at the prevailing hourly rate of the mechanical means to obtain a uniform blend to C. GRADING: Areas shall be raked and floated smooth to called for. When hydraulically sprayed onto the acceptable upright position for one year after the Landscape Architect. the soil. If the slope is greater than 2 1/2 to 1 the provide a true and uniform surface. soil, the mulch shall form a blotter like specified maintenance period and/or final acceptance amendments shall be hydraulically applied for areas material. Direct the spray operation so that by the Owner. The owner must provide adequate over 1000 square feet and raked in for small areas. D. QUALITY OF PLANTS: Plants shall be healthy annual the slurry spray will also penetrate the soil maintenance to insure the extended guarantee on trees. For the soil amendment mix refer to the Planting Notes plant material in 4" pots in boom. surface as to drill and mix the slurry on the Planting Plan. components into the soil, thus ensuring maximum C. DEFINITION OF DEATH: Plants which die or lose more E. PLANT PITS AND FERTILIZER. Each plant pit for impregnation and coverage. The impregnation and than 309 of their original leaves shall be replaced. D. EXTRANEOUS MATERIAL: In addition to the work seasonal color shall be 6x6 X6" with one teaspoon of mixing of components will help in retaining specified above the Contractor shall remove all bone meal mix into the backfill mix. (Use shrub moisture while stabilizing soil surface from D. REPLACEMENT: The Contractor within seven (7) days of extraneous material that is exposed on the surface and backfill mix). Do not use Agriform plant tablets. superficial erosion. written notification by the Owner shall remove and grade to facilitate run—off of surface water. replace all guaranteed plant materials which, for any G WATERING. Each section of seasonal color shall be 2. Spray the area with a uniform visible coat using reason, fail to meet the requirements of this E DELIVER SUPS: Supply delivery slips from the immediately watered upon completion of planting, and the dark color of cellulose fiber or organic guarantee. Replacement shall be made with plant supplier for the soil amendments to the site (Bulk watered thereafter as required amendment as a visible guide. The slurry shall materials as indicated or specified for the first loads from the Contractors yard will not be accepted be applied in a downward drilling motion via a planting and all such replacement materials shall be Supply empty bogs for fertilizer to the Superintendent H. SPACING FROM EDGE: The first row of seasonal color fan stream nozzle. guaranteed as specified for the original guaranteed of the job.) should always be within 6 of the edge of the planting material. area. G TIME LIMIT: All hydroslurry mixture that has not been VIII. SHRUB AND TREE PLANTING. used within two (2) hours shall be disposed of off— XIX. MAINTENANCE Xl. SOD LAWN MATERIALS & PLANTING (IF APPLICABLE): site at the Contractors expense. A. CORRELATION. Trees and shrubs shall not be planted A. MAINTENANCE PERIOD: The maintenance period shall until all operations in conjunction with the A. QUALITY Sod shall be #Grade, machine cut at a H. CLEAN—UP: Any slurry sprayed or spilled in an area commence upon the Owner's written approval of all installation of the sprinkler system have been uniform thickness of 5/8" excluding tip growth and other than that designated in the plans shall be phases of planting installation and shall be for the completed, final grades have been established, and the thatch, weed free and shall be no less than eight cleaned up at the Contractor's expense. following period. -90 DAYS planting beds properly prepared by cultivation and months nor more than sixteen months old. fertilization as covered in these specifications. 1. RESEEDING: All bare spots shall be reseeded by the B. GENERAL: The general care and maintenance of all B. TiMING: Installation shall take place within 24 hours Contractor within ten (10) days. The Contractor will areas shall consist of proper watering, fertilization, B. HANDLING AND STORAGE: All plants shall -tie handled and after harvesting. be responsible for all reseed areas for as long after weeding, clean—up to maintain all plants and turf in a stored so they are adequately protected from drying seeding as necessary until an acceptable stand of healthy, growing condition and as noted below. out, sun, windburn or any other injury. C REFERENCE: Refer to Paragraphs V. W. VII. for finish hydroseeded material is realized and approved by the grading, weed control, and soil preparation. Owner. C. GROUND COVER: Ground cover from flats—areas without C. PLANTING TiME: No planting shall take place during overseed — apply a pre—emergent herbicide in extremely hot, dry, windy or freezing weather. D. PREPARATION. Sod area prior to planting shall be J. GERMINATION STAGE IRRIGATION. Approximately twenty accordance with the manufacturer's printed rolled lightly and watered to a depth of 6" the day five (25) hours after hydromulching the planting instructions. D. LOCATIONS. Relative position of all plants and trees prior to planting. If any air pockets are found, the areas, initiate the watering sequence. The water is subject to approval of the Landscape Architect and area shall be regraded as necessary. Lightly water should be left on long enough to moisten the soil D. FER77LIZA77ON: Maintenance work shall include they shall, if necessary, be relocated at his the area to be planted just prior to planting. thoroughly to the depth of the fiber, taking care not fertilization with a commercial fertilizer at 30 day direction as part of this contract. to super saturate or to wash the fiber or soil intervals as noted herein. The fertilizer may be E. INSTALLATION. Sod shall be laid in a staggered particles off the slopes. The Contractor will have to superseded by the soils report and shall be approved E. DISTRIBUTION. No more plants shall be distributed pattern, with tight joints and in the some direction repair all seed washing or erosion at his own expense. by the Landscape Architect. about the landscape area than can be planted and each time. On all , slopes sod shall be installed from The fiber and seed must be irrigated lightly and watered on the same day. the bottom up and the newly laid sod should be frequently to maintain optimum moisture content for E. WEEDING: Any concentrated development of weed growth protected by walking on boards as installer moves maximum germination. At all times the irrigation that may appear in planting areas during the F. CONTAINER REMOVAL: Plant containers shall be removed upward. On metal staples will be allowed. No sod of system must be observed while in operation. maintenance period shall be removed at 10 day when planting the plants. Cans shall be split on both less than 18" in length will be allowed. No sod of Irrigation sequence must be determined by air intervals. The Contractor shall remove such sides. An axe or spade shall not be used. All less than 18" in length will be allowed temperature, prevailing wind velocity, soil texture, concentrations of weeds manually. containers shall be removed from the site. orientation and other logistical problems. It is F. JOINTS: Adjoin the section of sod firmly together. imperative that the soil be kept moist at all times F. GROUND COVER AREAS: Cultivate all non—hydroseeded G. PLANTING PITS. All tree and shrub pits shall have a If air spaces occur between sections of sod they must during the germination period.. The light, frequent ground cover areas at not more than 10 day intervals. diameter of at least twice the diameter of the be filled with sand or have the sod relaid. irrigation sequence should continue until the rootball. Pit depths shall be minimum 12" deeper than seedlings have grown beyond the germination stage. G. SHRUBS AND TREES: All shrubs shall be pinch—pruned as the rootball for trees and 8" deeper than the root G. ROLLING: Roll sod with on adequately weighted roller necessary to encourage new growth. Dead, wilted ball for shrubs or as per planting details. to smooth out the sod bed. K. ESTABLISHMENT STATE IRRIGATION: The irrigation flowers and dead foliage shall be continuously sequence (frequency) shall be reduced while the removed. No pruning shall be done to shrubs or trees H. PLACING: Plants shall be placed and held during H. PROTECTION OF EDGES: Regrade to protect the edges duration of each watering cycle will be increased. A without the approval and under the direction of the backfill in an upright position in the center of the from drying if mowing edge is not used specific watering program shall be approved by the Landscape Architect. All wounds over 1-1/2 inches in pit. Plants shall be held of, or slightly above Owner and Landscape Architect but should approximate diameter shall be sealed with an approved free seal. nursery level. The earth ball shall be kept intact. I. WATERING. After installation sod must be kept watering once a day through completion of the Any exposed roots shall be spread. Injured roots thoroughly watered to a depth of 6" No foot traffic maintenance period. H. TURF AREAS: Edge and mow to a height of 2 inches shall be pruned should be allowed for 2 or 3 weeks from the date of whenever the turf reaches a height of 3 inches. Grass I. BACKFILL: Plant pit backfilling soil shall consist of installation. L. HARDENING OFF STAGE IRRIGA71ON: At the end of the 90— clippings shall be removed off—site. 1 part nitrogen stabilized sawdust — 2 parts topsoil. day establishment period, as determined by the Materials shall be thoroughly mixed before J. INSPECTION BY SUPPLIER. If there are any questions Landscape Architect, reduce the watering frequency to 1. SUBSURFACE DRAINS: All subsurface area drains shall replacement. In addition to backfill commercial regarding the quality of sod Installation a once every three (3) days, while increasing the be periodically flushed with clear water to avoid fertilizer 20-10-5 Agriform 21 gram tablets shall be representative of the supplier shall be requested to duration of the water sufficiently to allow for build—up of silt and debris. Keep all drain inlets added to plant pits at the following rates: inspect the installation and the Contractor called out maximum water penetration for the expanding root clear of leaves, trash and other debris. by the supplier's representative. system, while at the same time taking care not to * one tablet per one gallon container cause erosion. The precise watering reduction program J. PROTECTION: During the maintenance period, the * two tablets per five gallon container X11. SEED LAWN PLANTING (IF APPLICABLE): shall be determined by the Landscape Architect. Contractor shall be responsible for maintaining * three tablets per 15 gallon container adequate protection of all planting areas. Any * four tablets per 20" and 24" box A. REFERENCE: Refer to paragraphs V, W, VIII, for XIV. SCOPE OF EROSION CONTROL WORK: damaged areas shall be repaired at the Contractor's * five tablets per 30" box finish grading, weed control, and soil preparation. expense. * six tablets per 36" box A. EROSION CONTROL: Installation will be required in * seven tablets per 42" box B. PREPARATION. Cultivate to a depth of 2" below finish locations specifically delineated on the drawings or K. RE—HYDROSEEDING. The Contractor shall re—hydroseed * eight tablets per 60" box grade, remove stones, foreign growth of any kind and as necessary due to field conditions. all hydroseed areas eroded or non—germinating at the * nine tablets per 72" box extraneous matter, and grade to remove ridges and end of each 30 days of maintenance. * ten tablets per 84" box depressions so that areas after settlement will 1. The surface of the slopes shall uniformly smooth * ground cover plants planted from flats or liners in conform to the finish grade. Roll and rake lightly and even with all debris and rocks raked out. L. IRRIGATION: All irrigation must be operating properly 2:1 or steeper slopes shall receive one 5 gram tablet until the surface is smooth, friable and of uniform The soil shall be sufficiently moist to permit and adjusted properly for efficient coverage and per plant fine texture. the firm laying of erosion control matting and minimum oversproy at the end of the maintenance to prevent sloughing of topsoil. period. C. SOWING: Sow lawn seed in the area designated on the J. WATERING. When the pit has been backfilled to three— drawings at the rate as designated on the planting 2. The erosion control matting shall be laid with M. FINAL ACCEPTANCE: Will be given at the end of the quarters of its depth water shall be poured about the notes. Sow the lawn in two directions. the direction of flow of surface drainage, and maintenance period for all planted areas once roots. Air pockets shall be eliminated and backfillin accordance with the manufacturers hydroseed germination and plant establishment has been continued until the backfill is brought to the grade D. TOP DRESSING: Rake lightly, spread 1/4" of Por -5 top directions. The matting shall be cut to provide obtained and there are no barren areas larger than 3" level. dressing with a mechanical spreader, roll with 200 lb. a visually pleasing slope. x 3" All plants must be in a healthy, growing roller and water with a fine spray. condition as approved by the Landscape Architect and K. COMPACTING: Backfill shall not be compacted around 3. The matting shall be stapled in place and firmly Owner. the roots or ball of the plant during or after XIII. HYDROSEEDING SPECIFICATIONS (IF APPLICABLE): embedded by means of tamping or rolling, as planting. The backfill on which the plant ball rests approved by the Owner, to ensure that the N. CONDITION OF SITE. During the maintenance period, shall be lightly compacted. A. GENERAL: The hydro—mulch shall be applied in the form matting is in contact with the soil and that no keep the project neat and free from debris at all of a slurry consisting of wood cellulose fibre, seed, erosion can take place under the matting. times. Obtain the Owner's approval for onsite storage M. STAKING. Stakes shall be driven to sufficient depth chemical additives, commercial fertilizer and water. of equipment or maintenance materials. to hold tree rigid. Tree shall be supported by at When hydraulically sprayed on the soil surface the 4. Planting of turf, ground covers, shrubs and/or least two ties (see details). hydromulching shall form a blotter like ground cover vines may be required in areas protected by XX. FINAL CONSTRUCTION INSPECTION AND FINAL impregnated uniformly with seed and fertilizer and erosion control matting as specified in the MAINTENANCE INSPECTION.- NSPECTION.0. 0. PRUNING: Limbs, branches, canes and runners which shall allow the absorption of moisture and rain fall plans or as becomes necessary. require trimming shall be removed to leave a clean cut to percolate to the underlying soil. hydro—mulch A. FINAL CONSTRUCTION INSPECTION: When all landscape flush with trunk. (Pruning only as directed by the specifications may be superseded by the Horticultural XV. REPLACEMENTS: improvements have been installed in accordance with Landscape Architect). soils test. the plans and specifications the Contractor shall A. GENERAL: The Contractor shall immediately replace notify the Landscape Architect and request a "Final P. PLANTING BEDS: Plantingbeds shall be edged and 9 B. SEED MIXES: Seed mixes to be used on this project are any and all plant materials which for any reason die Construction" inspection. If the Landscape Architect P P cultivated to the line shown. Beds shall be brought 9 designated on the plans and noted in the plant legend. or are damaged while under his care. Replacements determines the work to be substantially complete and y P to a smooth even surface conformingto established C. GUARANTEE: The Landscape Contractor shall be shall be made with plants of like kind and size in the in conformance with plans and specifications, the P P grades after full settlement has occurred responsible for the quality of all labor and materials same manner as specified for the original planting. Contractor will be advised that the basic maintenance Xi. SHRUB COVER AREAS: as provided by subcontractors and suppliers, including XVI. CLEAN—UP period is started. seed mix, hydroslurry ingredients and their. application. 1. In order to be substantially complete, at least A. REFERENCE: Refer to Paragraphs V W. Wit. for A. GENERAL: After all installation operations have been the following must have been finished: finish grading, weed control, and soil preparation. completed remove all trash, excess soil, empty plant containers and rubbish from the property. All scars, a. All fine grading, including elimination of B. SOIL PREPARATION. Prepare the soil as per these ruts or other marks in the area caused by this work low points that hold runoff. specifications and the planting Notes on the Planting shall be repaired and the ground left in a neat and b. A complete and operable irrigation system. Plan. orderly condition throughout the site. Contractor C. Installation of all plant materials. shall pick up all trash resulting from this work no d. Seeding of off seeded areas. less than each Friday before leaving the site, once a week and/or the last working day each week. All trash shall be removed completely from the site. 0