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HomeMy WebLinkAbout5006-27LANDSCAPE PLANTING h GENERAL A. SCOPE OF WORK Furnish all labor, material, equipment and services necessary to provide all landscape planting, complete in place, as shown and specked. 1. Work Specified in this Section a. Soil preparation b. Planting C. Seeding d. Staking e. Cleanup 2. Related Work Specified in other Sections: a. Irrigation System. b. Earth work, including rough grading Landscape Maintenance. B. Quality Assurance 1. Source Quality Control: a. The landscape contractor shall submit documentation to Architect at least five (5) days prior to start of work under this Section that all plant material has been ordered. Arrange procedure for inspection of plant material with Architect at time of submission. b. Plants shall be subject to inspection and approval of Architect at place of growth or upon delivery for conformity to specifications. Such approval shall not impair the right of inspection and rejection during progress of the work. Submit written request for inspection of plant material at place of growth to Architect. Written request shall state the place of growth and quantity of plants to be inspected. The Architect reserves right to refuse inspection at this time if, in his judgment, a sufficient quantity of plants is not available for inspection. 1. Certificate of Inspection of plant material by State or Federal Authority. 2. Copies of the delivery tickets to the site as proof that the specified material was delivered to the site. Delivery tickets to the contractors yard are unacceptable. C. SUBMITTALS 1. Certificate of Inspection of plant material by City Authority 2. Copies of the delivery tickets to the site as proof that the specified material was delivered to the site. Delivery tickets to the contractors yard are unacceptable. D. PRODUCT DELIVERY, STORAGE AND HANDLING 1. Delivery: a. Deliver fertilizer to site in original unopened containers bearing manufacturer's guaranteed chemical analysis, name, trademark, and conformance to State Law. b. Deliver trees with legible identification labels. (1) State correct plant name and size indicated on plant list. (2) Use durable waterproof labels with water-resistant ink which will remain legible for at least 60 days. C. Protect material during delivery to prevent damage to root ball or desiccation of leaves. d. The Contractor shall notify the Landscape Architect forty-eight (48) hours in advance of delivery of all plant materials and shall submit an itemized list of the plants in each delivery. 2. Storage: a. Store plant material in shade and protect from weather. b. Maintain and protect plant material not to be planted within four hours. 3. Handling: a. Do not drop plant material. b. Do not pick up container plant material by stems or trunks. E. JOB CONDITIONS 1. Planting Perform actual planting only when weather and soil conditions are suitable in accordance with locally accepted practice. 2. Scheduling Install trees before hydraulic seeded areas are installed. F. SAMPLES AND TESTS The Landscape Architect reserves the right to take and analyze samples of materials for conformity to specifications at any time. Contractor shall furnish samples upon request by Landscape Architect. Rejected materials shall be immediately removed from the site at Contractor's expense. Cost of testing of materials not meeting specifications shall be paid by Contractor. G. GUARANTEE AND REPLACEMENTS 1. Guarantee All plant material installed under the Contract shall be guaranteed against any and all poor, inadequate or inferior materials and/or workmanship for a period of one year after date of acceptance by Owner. Any plant found to be dead or in poor condition due to faulty materials or workmanship, as determined by the Landscape Architect, shall be replaced by the Contractor at his expense. 2. Replacement Any materials found to be dead, missing or in poor condition during the establishment period shall be replaced immediately. The Landscape Architect shall be the sole judge as to the condition of material. Material to be replaced within the guarantee period shall be replaced by the Contractor within 15 days of written notification by the Owner. II. PRODUCTS A. GENERAL The following organic and soil amendments and fertilizer are to be used for bid price basis only. Specific amendments and fertilizer specifications will be made after grading operations are complete and soil samples are tested by Owner. All materials shall be of standard, approved and first -grade quality and shall be in prime condition when installed and accepted. Any commercially processed or packaged material shall be delivered to the site in the original unopened container bearing the manufacturer's guaranteed analysis. Contractor shall supply Landscape Architect with a sample of all supplied materials accompanied by analytical data from an approved laboratory source illustrating compliance or bearing the manufacturer's guaranteed analysis. 1. Organic Amendment Nitrogen Stabilized: 0.56 to 0.84% N based on dry weight for wood residual or rice hulls. 2. Particle Size: 95%-100% passing 6.35 mm standard sieve. 80%-100% passing 2.33 mm standard sieve. 3. Salinity Ensure that saturation extract conductivity shall not exceed 3.5 millimhos. centimeter at 25 degrees centigrade as determined by saturation extract method. 4. Iron Content: Minimum 0.08% dilute acid soluble iron on dry weight basis. 5. Ash: 0 - 6.0% (dry weight). 6. Soil Amendment Gypsum: Agricultural grade produce containing 98% minimum calcium sulfate. DATE I SUBMITTAL TRACKER 10/10/20121 FIRST SUBMITTAL 3!7/2013 1 SECOND SUBMITTAL 7. Fertilizer Planting fertilizer: Shall consist of the following percents by weight: 6% nitrogen, 20% phosphoric acid, 20% potash 8. Top Dress Fertilizer: Shall consist of the following percent by weight and shall be mixed by a commercial fertilizer supplier: 12% nitrogen 12% phosphoric acid 12% potash 9. Planting Tablets: a. To be slow-release type, containing the following percentages of nutrients by weight: 12% nitrogen 8% phosphoric acid 8% potash b. To be 1.68 gram tablets as manufactured by Tri -C Enterprises or approved equal, applied per manufacturers instructions. 10. Top Soil Top soil, as required, shall be obtained from on-site planting excavations. 11. Plant Material a. Plants shall be in accordance with the California State Department of Agriculture's regulation for nursery inspections, rules and rating. All plants shall have a normal habit of growth and shall be sound, healthy, vigorous and free of insect infestations, plant diseases, sun scalds, fresh abrasions of the bark, excessive abrasions, or other objectionable disfigurements. Tree trunks shall be sturdy and well 'hardened' off. All plants shall have normally well-developed branch systems and vigorous and fibrous root systems which are not root or pot-bound. In the event of disagreement as to condition of root system, the root conditions of the plants furnished by the Contractor in containers will be determined by removal of earth from the roots of not less than two plants or more than two percent of the total number of plants of species or variety. Where container -grown plants are from several sources, the roots of not less than two plants of each species or variety from each source will be inspected. In case the sample plants inspected are found to be defective, the Landscape Architect reserves the right to reject the entire lot or lots of plants represented by the defective samples. The Landscape Architect is the sole judge as to acceptability. Any plants rendered unsuitable for planting because of this inspection will be considered as samples and will be provided at the expense of the Contractor. b. The size of the plants will correspond with that normally expected for specie and variety of commercially available nursery stock or as specified in the Special Conditions or drawings. The minimum acceptable size of all plants measured before pruning with the branches in normal position, shall conform with the measurements, if any, specified on the drawings in the list of plants to be furnished. Plants larger in size than specified may be used with the approval of the Landscape Architect, but the use of larger plants is approved, the ball of earth or spread of roots for each plant will be increased proportionately C. All plants not conforming to the requirements herein specified, shall be considered defective and such plants, whether in place or not, shall be marked as rejected and immediately removed from the site of work and replaced with new plants at the Contractor's expense. The plants shall be of the species, variety, size and condition specified herein or as shown on the drawings. Under no conditions will thereby any substitution of plants or sizes listed on the accompanying plans, except with the expressed consent of the Landscape Architect. d. At no time shall trees or plant material be pruned, trimmed or topped prior to delivery and any alteration of their shape shall be conducted only with the approval and when in presence of the Landscape Architect and as noted on the Planting Specifications. e. Plant material shall be true to botanical and common name and variety as specified in "A Checklist of Woody Ornamental Plants in California", Manual 32, published by the University of California School of Agriculture (1963). 12. Nursery Grown and Collected Stock: a. Grown under climatic conditions similar to those in locality of project. b. Container -grown stock in vigorous, healthy condition, no root -bound or with root system hardened off. C. Substitute plant material will not be permitted unless specifically approved in writing by the Architect. 13. Tree Staking Material a. Stakes for Tree Support: (1) Lodge pole pine stakes full-length treated with coppemaphthanate. (2) Minimum Nominal size: 2" in diameter 10' long and pointed atone end (adjusted length to fit tree). 14. Root Barriers Pre -formed high density plastic enclosure as manufactured by Deep Root Corp. or approved equal. 15. Miscellaneous Materials a. Post emergent weed killer -"Round -up". b. Tree wound paint approved. III. EXECUTION A. INSPECTION Verify that final grades have been established prior to beginning planting operations. Inspect trees, shrubs, and material for injury, insect infestation and trees and shrubs for improper pruning. Do not begin planting of trees until deficiencies are corrected or plants replaced. B. PREPARATION Stake out locations for plants and outline of planting beds on ground. Do not begin excavation until plant locations and plant beds are acceptable to Architect. The irrigation system shall have been installed and approved prior to soil preparation. C. INSTALLATION 1. Excavation of Planting a. Shape: (1) Vertical sides and flat bottom. (2) Plant pits to be square for box material, circular for canned material. b. Size: All trees shall have planting pits dug twice the diameter and twice the depth of the root ball. Back fill around the root ball with prepared back fill mix. 2. Final Grades a. After the foregoing specified deep watering. Only minor modifications to grade may be made to reestablish final grade. These areas shall not be worked until the moisture content has been reduced to a point where working it will not destroy soil structure. b. Finish grading shall insure proper drainage of the site. C. All turf areas shall be graded so that the final grades will be 1" below adjacent paved areas, sidewalks, valves boxes, headers, clean -outs, drains, manholes; etc. groundcover areas shall be graded so that the final grades will be 2" below adjacent paved areas, sidewalks, valves boxes, headers, clean -outs, drains, manholes; etc. d. Surface drainage shall be away from all building foundations. e. Eliminate all erosion scars. 3. Disposal of Excess Soil Dispose of unacceptable or unused excess soil. D. PLANTING INSTALLATION 1. General a. Actual planting shall be performed during those periods when weather and soil conditions are suitable and in accordance with locally accepted practice, as approved by the Landscape Architect. b. Only as many plants as can be planted and watered on that same day shall be distributed in a planting area. C. Containers shall be opened and plants shall be removed in such a manner that the ball of earth surrounding the roots is not broken and they shall be planted and watered as herein specked immediately after removal from the containers. Containers shall not be opened prior to placing the plants in the planting area. 2. Weed Control After soil preparation and establishment of final grades prior to any planting, the Contractor shall irrigate thoroughly for a period of time, two to three weeks, or until the weed seeds have germinated. When there is sufficient weed seed germination, the Contractor shall apply a post -emergent contact weed killer according to the directions of the manufacturer. The Contractor shall then wait an additional two(2) weeks to allow the weed killer to dissipate, then plant as indicated in the plans and specifications. Contractor shall remove any residual foliage and/or roots. TOLL FREE `i 811 A PUBLIC SERVICE BY UNDERGROUND SERVICE ALERT 3. Planting of Trees and Shrubs. a. Excavation for planting shall include the stripping and stacking of all acceptable topsoil encountered within the areas to be excavated for trenches, tree holes, plants pits and planting beds. b. Excess soil generated from the planting holes and not used as back fill or in establishing the final grades. C. Protect all areas from excessive compaction when trucking plants or other material to the planting site. d. Center plant in pit or trench. e. Face plants with fullest growth into prevailing wind. f. Set plant plumb and hold rigidly in position until soil has been tamped firmly around ball or roots. g. Container plants shall be back filled with:8 parts by volume on-site topsoil. 2 parts by volume organic amendment. 2 Ib. Calcium Limestone mix per cu. yd. of mix. as required by soils report) h. All plants which settle deeper than specified above shall be raised to the correct level. After the plant has been placed, additional back fill shall be added to the hole to cover approximately one-half of the height of the root ball. At this stage, water shall be added to the top of the partly filled hole to thoroughly saturate the root ball and adjacent soil. i. Box Removal` (1) Remove bottom of plant boxes before planting. (2) Remove sides of box without damage to root ball after positioning plant and partially backfilling. j. Dig planting holes to accommodate root balls per these Specifications. k. Hand place plants which are in containers less than one gallon in size. I. Hand back fill and hand tamp leaving a slight depression around bases of plants. M. After the water has completely drained, planting tablets shall be placed as indicated below: Liner -One Tablet 1 -gallon container -Two tablets. 5 -gallon container -Eight tablets. 15 -gallon container -Sixteen tablets. 24" Box container -Twenty Two Tablets n. The remainder of the hole shall then be backfilled. o. Planting tablets shall be set with each plant on the top of the root ball while the plants are still in their containers so the required number of tablets to be used in each hole can be easily verified. p. After back filling, an earthen basin shall be constructed around each plant. Each basin shall be a depth sufficient to hold at least two inches of water. Basins shall be of a size suitable for the individual plant. In no case shall the basin for a fifteen -gallon plant be less than four feet in diameter. a five -gallon plant less than three feet in diameter. and a one -gallon plant less than two feet in diameter. The basins shall be constructed of amended back fill materials. q. Pruning: Pruning shall be limited to the minimum necessary to remove injured twigs and branches and to compensate for loss of roots during transplanting, but never to exceed one-third of the branching structure. Upon approval of the Landscape Architect, pruning may be done before delivery of plant, but not before plants have been inspected and approved. Cuts over 3/4" in diameter shall be painted with tree wound paint. r. Staking: (1) Staking of all trees shall conform to tree staking detail (2) Tree stakes shall be straight grained lodge pole pine. Stakes shall be free from knots, checks, splits or disfigurements. S. Root Barriers: (1) All trees located in public right of ways, easements or lots shall have a root barrier installed per the approved detail. E. CLEANUP After all planting operations have been completed, remove all trash, excess soil, empty plant containers or pickup all trash resulting from this work no less frequently than each Friday before leaving the site, once rubbish from the property. All scars, ruts or other marks in the ground caused by this work shall be a week, and/or the last working day each week. All trash shall be removed completely from the site. The repaired and the ground left in a neat and orderly condition throughout the site. Cleanup contractor shall Contractor shall leave the site area broom -clean and shall wash down all paved areas within the Contract area, leaving the premises in a clean condition. F. MAINTENANCE A minimum of 90 days maintenance is required starting after the first mowing of the established grass areas. Maintenance of facility shall be continuously done and the contractor must provide a weekly schedule. Contractor's personnel must check in with the City Landscape Inspecto/Techinician to verify continuous maintenance on facility. G. INSPECTIONS Normal progress inspections shall be requested by the Contractor from the Landscape Architect at least 48 hours in advance of an anticipated inspection. Inspections are required as follows: Completion of fine grading Completion of soil conditioning Prior to application of post emergent weed killers. Pre or post- delivery of all plant material Completion of major plant layout. Tree staking example prior to sodding. SHOULD CONSTRUCTION OF THE REQUIRED IMPROVEMENTS NOT COMMENCE WITHIN TWO YEARS OF THE DATE OF APPROVAL SHOWN HEREON AND CARRIED FORTH IN A DILIGENT MANNER, THE CITY ENGINEER MAY REQUIRE REVISIONS TO THE PLANS TO BRING THEM INTO CONFORMANCE WITH STANDARDS IN REV. EFFECT REVISION DESCRIPTION DATE ENGR. CITY DATE %`ANDS��°F MINATURL 6 ma DRAWN BY: L A N D S CAP E SK, SF DESIGNED BY: ARCHITECTURE SK CHECKED BY: 310 NORTH JOY STREET I CORONA, CA 92879 SK T: 951.737.1124 1 F: 951.737.6551 BM YOUNG HOMES TR 18676 - CFD LANDSCAPE PLANS PLANTING SCALE: N.T.S. S ID E C I F I C NS DATE: 10-10-12 APPROVED DRAWING NO. 27 SE: 29r3 5006 27 CITY ENGINEER R.C.E. 51152