HomeMy WebLinkAboutCedars Subdivision No.1 Final Plat Landscape Plan 2-21-19TEL 208-938-0013www.baileyengineers.com4242 N. BROOKSIDE LANEBOISE, ID 83714CIVIL ENGINEERING|PLANNING|CADDailey Engineering, Inc.0'30'60'90'
TEL 208-938-0013www.baileyengineers.com4242 N. BROOKSIDE LANEBOISE, ID 83714CIVIL ENGINEERING|PLANNING|CADDailey Engineering, Inc.0'30'60'90'
TEL 208-938-0013www.baileyengineers.com4242 N. BROOKSIDE LANEBOISE, ID 83714CIVIL ENGINEERING|PLANNING|CADDailey Engineering, Inc.0'30'60'90'
TEL 208-938-0013www.baileyengineers.com4242 N. BROOKSIDE LANEBOISE, ID 83714CIVIL ENGINEERING|PLANNING|CADDailey Engineering, Inc.0'30'60'90'
TEL 208-938-0013www.baileyengineers.com4242 N. BROOKSIDE LANEBOISE, ID 83714CIVIL ENGINEERING|PLANNING|CADDailey Engineering, Inc.
TEL 208-938-0013www.baileyengineers.com4242 N. BROOKSIDE LANEBOISE, ID 83714CIVIL ENGINEERING|PLANNING|CADDailey Engineering, Inc.1.7 SEQUENCING AND SCHEDULINGA. Planting Time: Proceed with, and complete landscape work as rapidly as portions ofsite become available, working within seasonal limitations for each kind of landscapework required.1.Plant or install all plant materials during normal planting seasons from 15 Marchto 15 November.2.Correlate planting with specified maintenance periods to provide maintenancefrom date of substantial completion.B. Coordination with Lawns: Plant trees and shrubs after final grades are established andprior to planting of lawns, unless otherwise acceptable to Architect. If planting of treesand shrubs occurs after lawn work, protect lawn areas and promptly repair damage tolawns resulting from planting operations.1.8 SPECIAL PROJECT WARRANTYA. Warranty lawns through specified lawn maintenance period, until Final ProjectAcceptance.B. Warranty trees and shrubs, for a period of one year after date of substantial completion,against defects including death and unsatisfactory growth, except for defects resultingfrom neglect by Owner, abuse or damage by others, or unusual phenomena orincidents beyond Landscape Installer's control.C. Remove and replace trees, shrubs, or other plants dead or in unhealthy conditionduring warranty period. Make replacements during growth season following end ofwarranty period. Replace trees and shrubs which are in doubtful condition at end ofwarranty period; unless, in opinion of Architect, it is advisable to extend warranty periodfor a full growing season.PART 2 - PRODUCTS2.1 TOPSOILA. If deemed usable, native topsoil shall be stockpiled for re-use in landscape work.Topsoil shall be fertile, friable, natural loam, surface soil, reasonable free of subsoil,clay lumps, brush, weeds, roots, stumps, stones larger than 1 inch in any dimension,and other extraneous or toxic matter harmful to plant growth.1. Contractor shall send a minimum of three (3) representative topsoil samples fortesting. See testing requirements below. Contractor is responsible for whatever soiladditives are recommended by the tests. Submit to Architect for approval. Compostwill be added to other additives and added regardless of test results.B. If quantity of stockpiled topsoil is insufficient, contractor to provide imported topsoil thatis fertile, friable, natural loam, surface soil, reasonably free of subsoil, clay lumps,brush, weeds and other litter, and free of roots, stumps, stones larger than 1 inches inany dimension, and other extraneous or toxic matter harmful to plant growth.1. Obtain topsoil from local sources or areas with similar soil characteristics to that ofproject site. Obtain topsoil only from naturally well-drained sites where topsoiloccurs in a depth of not less than 4 inches. Do not obtain from bogs or marshes.2. Composition: Topsoil shall contain from 1 to 20% organic matter as determined bythe Organic Carbon, 6A, Chemical Analysis Method described in USDA Soil SurveyInvestigation Report No. 1. Maximum particle size, 3/4-inch, with maximum 3%retained on 1/4-inch screen.Other components shall conform to the following limits:pH6.5 to 7.5Soluble Salts600 ppm maximumSilt 25-50%Clay10-30%Sand20-50%3. Contractor shall submit representative soil report on imported topsoil proposed foruse for approval. Report shall meet standards below. Contractor is responsiblefor whatever soil additives are recommended by the test. Compost will be inaddition to other additives and added regardless of test results.C. Soil Testing1. Soil tests are required for this project (see above for requirements). Test shall beprovided as follows:a. Provide certified analysis at time of sample submitted (three samples importedtopsoil). Amend soils per chemist's recommendations and as herein specifiedunless otherwise approved by Architect.2. Test shall include, but not limited to recommendations on chemical distributions,organic contents, pH factors, and sieve analysis as necessary. Test #1T byWestern Laboratories (1-800-658-3858) is required.3. Contractor is responsible for whatever soil additives are recommended by the soiltesting laboratory.4. Contractor shall coordinate, obtain and pay for all soil tests.5. If regenerative noxious weeds are present in the soil, remove all resultant growthincluding roots throughout one-year period after acceptance of work, at no cost toOwner.2.2 pH ADJUSTERSA. When pH does not comply with this specification, commercial grade aluminum sulfateshall be used to adjust soil pH.2.3 SOIL AMENDMENTSA. Compost: Compost: “Cascade Compost” from Cloverdale Nursery (208) 375-5262 andNuSoil Compost (208) 629-6912 or approved equal in equal amounts by volume.B. Commercial Fertilizer: Fertilizer shall be complete, standard commercial brand fertilizer.It shall be free-flowing and packaged in new waterproof, non-overlaid bags clearlylabeled as to weight, manufacturer, and content. Protect materials from deteriorationduring delivery and while stored at site.1. Commercial fertilizer "A" for trees and shrubs during planting; slow release AgriformPlanting 5-gram tablets 20-10-5 type or equal.2. Commercial fertilizer "B" for lawn areas, applied to bed prior to seeding or sodding,to be 16-16-17 applied at the rate of ten pounds per acre.3. Commercial fertilizer "C" for lawn areas three to four weeks after planting (sod) orafter first mowing (seed). Organic Fertilizer Milorganite (6-0-2) type or equal.C. Herbicide: Pre-emergent for topical application in planting beds. Oxiadiazon 2G brandor pre-approved equal. Use in accordance with manufacturer's recommendation on allplanting beds.2.4 PLANT MATERIALSA. Quality: Provide trees, shrubs, and other plants of size, genus, species, and varietyshown for landscape work and complying with recommendations and requirements ofANSI Z60.1 "American Standard for Nursery Stock".B. Deciduous Trees: Provide trees of height and caliper scheduled or shown withbranching configuration recommended by ANSI Z60.1 for type and species required.Single stem trees except where special forms are shown or listed.C. Deciduous Shrubs: Provide shrubs of the height shown or listed, not less than minimumnumber of canes required by ANSI Z60.1 for type and height of shrub.D. Coniferous and Broadleafed Evergreens: Provide evergreens of sizes shown or listed.Dimensions indicate minimum spread for spreading and semi-spreading typeevergreens and height for other types, such as globe, dwarf, cone, pyramidal, broadupright, and columnar. Provide normal quality evergreens with well balanced formcomplying with requirements for other size relationships to the primary dimensionshown.2.5 GRASS MATERIALSA.Lawn sod: Provide strongly rooted sod, not less than 1 growing season old, and free ofweeds and undesirable native grasses. Provide only sod capable of growth anddevelopment when planted (viable, not dormant).1.Provide sod of uniform pad sizes with maximum 5% deviation in either length orwidth. Broken pads or pads with uneven ends will not be acceptable. Sod padsincapable of supporting their own weight when suspended vertically with a firmgrasp on upper 10% of pad will be rejected.B. Provide sod composed of: Rhizomatous Tall Fescue (RTF) from the The Turf Company, Meridian, ID (208) 888-3760 or approved equal.C. Unmown Grass SeedFestuca rubra communtataChewing Fescue8.0lbs/acreFestuce ovina 'Covar'Covar Sheep Fescue8.0lbs/acreFestuca longifoliaHard Fescue8.0lbs/acreTotal24.0lbs/acre2.6 MISCELLANEOUS LANDSCAPE MATERIALSA. Anti-Desiccant: Emulsion type, film-forming agent designed to permit transpiration, butretard excessive loss of moisture from plants. Deliver in manufacturer's fully identifiedcontainers and mix in accordance with manufacturer's instructions.B. Mulch: Mulch for planting beds shall be medium ground bark mulch, free of splinters,consistent in appearance, and shall contain no toxic substance detrimental to plant life.C. Stakes and Guys: Provide stakes and deadmen of sound new hardwood, treatedsoftwood, or redwood, free of knot holes and other defects. Provide wire ties and guysof 2-strand, twisted, pliable galvanized iron wire, not lighter than 12 ga. withzinc-coated turnbuckles. Provide not less than 2 inch diameter rubber or plastic hose,cut to required lengths and of uniform color, material, and size to protect tree trunksfrom damage by wires.SECTION 32 90 00 - LANDSCAPE WORKPART 1 - GENERAL1.1 RELATED DOCUMENTSA. Drawings and general provisions of Contract, including General and SupplementaryConditions and Division 1 Specification Sections.1.2 SUMMARYA. This Section includes provisions for the following items:1. Trees.2. Shrubs; Ground cover.3. Lawns.4. Topsoil and Soil Amendments.5. Miscellaneous Landscape Elements.6. Initial maintenance of landscape materials.B. Related Sections: The following sections contain requirements.1. Underground sprinkler system is specified in Section 32 84 00 - Irrigation1.3 QUALITY ASSURANCEA. Subcontract landscape work to a single firm specializing in landscape work.B. Source Quality Control:1. General: Ship landscape materials with certificates of inspection required bygoverning authorities. Comply with regulations applicable to landscape materials.2. Do not make substitutions. If specified landscape material is not obtainable,submit proof of non-availability to Architect, with proposal for use of equivalentmaterial.3. Analysis and Standards: Package standard products with manufacturer's certifiedanalysis. For other materials, provide analysis by recognized laboratory made inaccordance with methods established by the Association of Official AgricultureChemists, wherever applicable.4. Trees, Shrubs and Groundcovers: Provide trees, shrubs, and groundcovers ofquantity, size, genus, species, and variety shown and scheduled for workcomplying with recommendations and requirements of ANSI Z60.1 "AmericanStandard for Nursery Stock". Provide healthy, vigorous stock, grown in recognizednursery in accordance with good horticultural practice and free of disease, insects,eggs, larvae, and defects such as knots, sun-scald, injuries, abrasions, ordisfigurement.5. Label at least one tree and one shrub of each variety with attached waterproof tagwith legible designation of botanical and common name.a. Where formal arrangements or consecutive order of trees or shrubs are shown,select stock for uniform height and spread.6. Inspection: The Architect may inspect trees and shrubs either at place of growth orat site before planting, for compliance with requirements for genus, species,variety, size, and quality. Architect retains right to further inspect trees and shrubsfor size and condition of balls and root systems, insects, injuries and latentdefects, and to reject unsatisfactory or defective material at any time duringprogress of work. Remove rejected trees or shrubs immediately from project site.1.4 SUBMITTALSA. General: Submit the following in accordance with Conditions of Contract and Division 1Specification Sections.B. Plant and Material Certifications:1. Certificates of inspection as required by governmental authorities.2. Manufacturer's or vendor's certified analysis for soil amendments and fertilizermaterials.3. Label data substantiating that plants, trees, shrubs and planting materials complyspecified requirements.4. Seed vendor's certified statement for each grass seed mixture required, statingbotanical and common name, percentages by weight, and percentages of purity,germination, and weed seed for each grass seed species.C. Mulch: Submit 1 gal bag of mulch sample for approval.1.5 DELIVERY, STORAGE AND HANDLINGA. Seed shall be delivered to site in unopened container, with seed and inert materialcontent clearly marked on outside of container. Container shall be stored on site fortally.B. Sod: Time delivery so that sod will be placed within 24 hours after stripping. Protectsod against drying and breaking of rolled strips.C. Trees and Shrubs: Provide freshly dug trees and shrubs. Do not prune prior todelivery unless otherwise approved by Architect. Do not bend or bind-tie trees orshrubs in such manner as to damage bark, break branches, or destroy natural shape.Provide protective covering during delivery. Do not drop balled and burlapped stockduring delivery.D. Deliver trees and shrubs after preparations for planting have been completed andplant immediately. If planting is delayed more than 6 hours after delivery, set treesand shrubs in shade, protect from weather and mechanical damage, and keep rootsmoist by covering with mulch, burlap or other acceptable means of retaining moisture.E. Do not remove container-grown stock from containers until planting time.F. Do not drop or dump materials from vehicles during delivery or handling. Avoid anydamage to rootballs during deliver, storage and handling.1.6 JOB CONDITIONSA. Utilities: Determine location of underground utilities and work in a manner which willavoid possible damage. Hand excavate, as required. Maintain grade stakes untilremoval is mutually agreed upon by parties concerned.B. Excavation: When conditions detrimental to plant growth are encountered, such rubblefill, adverse drainage conditions, or obstructions, notify Architect before planting.C. Adjacent Landscape: Protect planted areas adjacent to construction area. Replace orrecondition to prior conditions at project completion.D. Tree Protection:1.Existing trees to remain should be protected before any site/demolition Treeprotection area is defined as the area within the drip line diameter.2.Place protective fencing around a tree protection zone. Protective fencing shouldconsist of a highly visible, physical barrier (a minimum 6-foot high, chain-linkfence is recommended) to be placed 10 ft outside the dripline of the tree(s).3.Do not strip topsoil or grub under story within protection area. The tree understory to be removed shall be cut instead of pulling or grubbing. Leave the soilundisturbed.4.Prohibit earth stockpiling, material storage, vehicle parking and traffic within treeprotection area.5.Prohibit dumping of refuse, chemicals, other materials and puddling or runningwater that may injure tree growth.6.Prohibit cutting, breaking and skinning of branches and roots. All pruning ofbranches and roots is to be performed by the Arborist.7.Prohibit skinning and bruising of bark.8.No changes in grade should be made within the dripline of existing trees.9.Temporary irrigation is highly recommended for all remaining trees duringconstruction. This system should provide adequate coverage and quantity ofwater during all phases of construction.10.Before the contractor leaves the site, all existing trees which have beendamaged due to construction should be repaired/replaced at the expense of thecontractor.E. Excavation Around Trees:1.Where trenching is required in the vicinity of the tree, proceed as follows:a. As the trench approaches the drip line of the tree, dig by hand until the rootsencountered are two inches or larger in diameter.b. A similar trench is to be dug on the opposite of the tree and a tunnel auguredunder the tree between the two trenches at a depth of 4 feet.c. If auguring is impractical, continue digging by hand. Carefully dig under anyroots over 4 inches in diameter. Do not cut main lateral roots or tap roots.2.Where excavating for new construction is required in soil containing the roots ofthe tree, hand excavate to minimize damage to root system. Use narrow tinespading forks and comb soil to expose roots. Relocate roots back into backfillareas wherever possible. If large main lateral roots are encountered, exposebeyond excavation limits as required to bend and relocate without breaking.3.If root relocation is not practical, cut roots approximately 3 inches back from newconstruction.4.Any digging or cutting that tears roots or disturbs soil beyond the grading limit isunacceptable. All roots larger than one inch must be cut by the Arborist.5.Do not allow exposed roots to dry before permanent backfill is placed; providetemporary support and protect roots against damage until permanently relocatedand covered with backfill.F. Construction Pruning:1.Hire an Arborist certified by the International Society of Arboriculture. Whereroots have been cut, Arborist shall prune the tree to compensate for root lossand prune any low limbs which may interfere with construction activities.Compensate in approximate direct proportion to root loss. Do not use any sortof paint or dressing on wounds or pruning cuts. Root pruned and constructionpruned tree shall be fertilized by the landscape contractor by broadcasting sulfurcoated area 38-0-0 at the rate of 5 1/4 lbs. Per 1,000 square feet (2 lbs. N.) Overthe root zones of the trees.PART 3 - EXECUTION3.1 PREPARATION - GENERALA. General Contractor shall be responsible for excavating planting areas to appropriatedepths for placement of topsoil as specified herein.B. Lay out individual tree and shrub locations and areas for multiple plantings. Stakelocations and outline areas and secure Architect's acceptance before start of plantingwork. Make minor adjustments as may be required.3.2 PREPARATION OF PLANTING SOILA. Before mixing, clean topsoil of roots, plants, sod, stones, clay lumps, and otherextraneous materials harmful or toxic to plant growth.B. Mix specified compost and fertilizers with topsoil at rates specified. Delay mixingfertilizer if planting will not follow placing of planting soil in a few days.Compost: Lawn Areas: 1/4 compost, : 3/4 topsoil.Shrub Areas: 1/3 compost, 2/3 topsoil.Fertilizer: Per soil test and manufacture's recommendations.C. For shrub and lawn area, mix planting soil either prior to planting or apply on surfaceof topsoil and mix thoroughly before planting.3.3 PREPARATION FOR PLANTING LAWNSA. After excavating and removing surface material to proper depth, loosen subgrade oflawn areas to a minimum depth of 4 inches. Remove stones measuring over 1-1/2inches in any dimension. Remove sticks, roots, rubbish, and other extraneousmatter. Limit preparation to areas which will be planted promptly after preparation.1.Spread topsoil mix to minimum depth of 4 inches for sodded lawns as required tomeet lines, grades, and elevations shown, after light rolling, addition ofamendments, and natural settlement. Place approximately 1/2 of total amount oftopsoil required. Work into top of loosened subgrade to create a transition layerand then place remainder of planting soil. Add specified soil amendments asrequired and mix thoroughly into upper 4 inches of topsoil.3.4PREPARATION FOR SEEDINGA. Loosen subgrade of areas stripped of topsoil to a minimum depth of 4 inches.Remove stones measuring over 1-1/2 inches in any dimension. Remove sticks,roots, rubbish, and other extraneous matter. Limit preparation to areas which willbe planted promptly after preparation.1.Spread topsoil mix to required depth to meet lines, grades, and elevations shown,after light rolling and natural settlement (where required). Topsoil shall be 6"deep minimum in all seeded areas.2.Place approximately ½ of total amount of topsoil required. Work into top ofloosened subgrade to create a transition layer and then place remainder ofplanting soil. Add recommended nutrients, fertilizers and 1-1/2" thickness ofspecified compost over entire area and mix thoroughly into upper 4 inches oftopsoil.B. Fine grade areas to smooth, even surface with loose, uniformly fine texture. Roll,rake, and drag areas, remove ridges and fill depressions, as required to meet finishgrades. Limit fine grading to areas which can be planted immediately after grading.C. Moisten prepared areas before planting if soil is dry. Water thoroughly and allowsurface moisture to dry before planting. Do not create a muddy soil condition.D. Restore areas to specified condition, if eroded or otherwise disturbed, after finegrading and prior to planting.E. Maintain and protect all surfaces from wind and water erosion until final acceptance.3.5 PREPARATION OF PLANTING BEDSA. Loosen subgrade of planting areas to a minimum depth of 6 inches using aculti-mulcher or similar equipment. Remove stones measuring over 1 1/2 inches inany dimension. Remove stocks, stones, rubbish, and other extraneous matter.B. Spread planting soil mixture to minimum 12 inch depth required to meet lines, grades,and elevations shown, after light rolling and natural settlement. Add 1 1/2 inches ofspecified compost over entire planting area and mix thoroughly into upper 6 inches oftopsoil. Place approximately 1/2 of total amount of planting soil required. Work intotop of loosened subgrade to create a transition layer, then place remainder of theplanting soil.C. Apply Pre-Emergent per manufacturer's recommendation.3.6 PLANTING TREES AND SHRUBSA. Set balled and burlapped (B&B) stock on layer of compacted planting soil mixture,plumb and in center of pit or trench with top of ball at same elevation as adjacentfinished landscape grades. Remove burlap from sides of balls; retain on bottoms.When set, place additional backfill around base and sides of ball, and work eachlayer to settle backfill and eliminate voids and air pockets. Place fertilizer tablets inexcavated area per manufacture's written instructions. When excavation isapproximately 2/3 full, water roughly before placing remainder of backfill. Repeatwatering until no more is absorbed. Water again after placing final layer of backfill.Remove all ties from around base of trunk.B. Set container grown stock, as specified, for balled burlapped stock, except cut canson 2 sides with an approved can cutter and remove can; remove bottoms of woodenboxes after partial backfilling so as not to damage root balls.C. Dish top of backfill to allow for mulching.D. Mulch pits, and planted areas. Provide not less than following thickness of mulch,and work into top of backfill and finish level with adjacent finish grades. 1. Provide 3 inches thickness of mulch.E. If season and weather conditions dictate, apply anti-desiccant, using power spray, toprovide an adequate film over trunks, branches, stems, twigs and foliage.F. Prune, thin out, and shape trees and shrubs in accordance with standard horticulturalpractice. Prune trees to retain required height and spread. Unless otherwisedirected by Architect, do not cut tree leaders, and remove only injured or deadbranches from flowering trees, if any. Prune shrubs to retain natural character.G. Remove and replace excessively pruned or misformed stock resulting from improperpruning.H. Guy and stake trees immediately after planting, as indicated.I. Apply approved herbicide to all shrub bed areas at manufacture specified rate.Re-apply as necessary for elimination of weeds.3.7SODDING NEW LAWNSA.General: Install lawn sod in all areas designated on the drawings.B.Soil Preparation1.Any sod lawn areas that may have become compacted prior to sodding must bescarified to a depth of eight (8) inches by approved means, then finish graded ashereinbefore described.C.Lay sod within 24 hours from time of stripping. Do not plant dormant sod or if groundis frozen.D.Sod Placement1.Sod will be brought onto lawn areas by wheeled means with proper protection ofsod beds. Sod layers shall be experienced, or if inexperienced, shall beconstantly supervised by an experienced foreman. The Contractor shall insurethat the base immediately ahead of sod layer is moist. Sod shall be laid tight withnot gaps. Allowance shall be made for shrinkage. Lay sod with long edgesperpendicular to primary slope.2.Lay to form a solid mass with tightly fitted joints. Butt ends and sides of strips; donot overlap. Stagger strips to offset joints in adjacent courses. Work on boards toavoid damage to subgrade or sod. Tamp or roll lightly to ensure contact withsubgrade. Work sifted soil into minor cracks between pieces; remove excess toavoid smothering of adjacent grass.3.Sod shall be rolled with a two hundred (200) pound roller after installation toinsure proper contact between soil and sod. Final rolling must provide a uniformsurface. After final rolling, the sod lawn shall be mowed and watered. Approvalof sod lawns shall be based on uniform, healthy and vigorous growth with no dryor dead spots.4.Add fertilizer "B" at the manufacturer's recommended application rate.E.Water sod thoroughly with a fine spray immediately after planting.F.Sodded Lawn Establishment1.The Contractor shall be responsible for first mowing, subsequent mowings andfertilizing of sod lawn areas until Final Acceptance of the project.2.Mowing shall be done by an approved "reel" type mower. Mower blades shall beset at two (2) inches high for all mowings.3.Subsequent fertilizing shall occur three to four weeks after installation. Applyfertilizer as per the Manufacturer's recommended application rate. Verify allmethods of application. Contractor shall notify the Architect in writing that thefertilizer applications have occurred and on what dates.3.8SEEDINGA. General1.Seeding for irrigated areas shall be accomplished in the spring (after March 15) orfall (before October 1) of the year and/or when weather conditions are favorablefor proper working of the soil and seed germination.2.Seed shall be spread by approved mechanical (hopper or culti-packer) orhydroseed methods only.3.Seeding shall be done only after topsoil mix placement, finish grading, adjacentconstruction and plantings have been completed and approved by Architect.B. Soil Preparation: Any seeded lawn area that has become compacted prior toseeding must be scarified to a depth of eight (8) inches by approved means, thenfinish graded as hereinbefore described.C.Seeding - Mechanical Method1.Apply fertilizer at the manufacturer's recommended application rate.Thoroughly mix six (6) inches deep, taking care not to incorporate subsoil intotopsoil mix. After mixing is complete, remove any debris or rocks over one (1)inch in size. Rake to true grade and roll for firmness. If soil is dry, lightlysprinkle prior to rolling. Grades after rolling to be approved by Architect prior toseeding.2.Seed Application Rate: See "Products".3.Seed Application Methoda.Using a hopper type seeder, seeding shall be done on a still day, withone-half (2) of the seed to reach area being sown in a direction at rightangles to the other half. After seeding, the surface shall be lightly rakedparallel to the contours such that half or more of the seed is lightlycovered by soil, then rolled once with a roller weighing not less than onehundred (100) pounds per lineal foot, and finally watered with a finespray.b.A culti-packer or approved similar equipment may be used to drill, cover,and firm the seed bed in one operation.4.After seeding, raking and rolling, lawn areas shall be covered with a one (1)inch loose layer of clean wheat or oat straw. Straw shall be kept moist until thelawn is established. Remove loose straw from site.D. Seeding - Hydroseed Method1.No hydroseeding after a rain or when the wind exceeds five (5) miles per hour.2.Use only where slopes exceed 5:1.3.Spray the mixture of water, seed, mulch and commercial fertilizer evenly overthe planting area.E. Seeding Areas Establishment1.The Contractor shall be responsible for the first mowing and subsequentmowings, watering and fertilizing of seeded areas until Final Acceptance of theproject. Subsequent mowings shall be the Owner's responsibility.2.First mowing shall be done when lawn areas are well established; whengermination approaches ninety percent and height exceeds two and one-half(22) inches as approved by the Architect. Set mower height at two (2) incheshigh for first and subsequent mowings.3.Fertilizing shall occur after the first mowing. Apply fertilizer as per themanufacturer's recommended application rate.4.Seed beds must achieve ninety (90) percent germination and be uniform inappearance, free of weeds and/or other undesirable plant species as approvedby the Architect.5.Check for barren areas in seed bed approximately twenty-one (21) days afterseeding and overseed as originally specified at the time or at such time asweather and season permit for seed germination or as approved by theArchitect. The Architect shall determine and approve the necessity and extentof overseeding in order to achieve the ninety (90) percent germinationuniformity throughout the seed bed areas necessary for Final Acceptance.6.Seeded areas shall be established as specified above at time of substantialcompletion.3.9 MAINTENANCEA. Begin landscape maintenance immediately after planting. Maintenance shallcontinue until Project Final Acceptance.B. Maintain trees, shrubs, and other plants by pruning, cultivating, and weeding asrequired for healthy growth. Restore planting saucers. Tighten and repair stakeand guy supports and reset trees and shrubs to proper grades or vertical positionas required. Restore or replace damaged wrappings. Spray as required to keeptrees and shrubs free of insects and disease.C. Maintain lawns by watering, fertilizing, weeding, mowing, trimming, and otheroperations such as tolling, regrading and replanting as required to establish asmooth, acceptable lawn, free of eroded or bare areas.D. Maintain lawns for no less than period stated above, or longer as required toestablish acceptable lawn. If seeded in fall and not given full 60 days ofmaintenance before Final Acceptance, or if not considered acceptable at that time,continue maintenance the following spring until acceptable lawn is established.3.10 CLEANUP AND PROTECTIONA. During landscape work, keep pavements clean and work area in an orderlycondition.B. Protect landscape work and materials from damage due to landscape operations,operations by other contractors and trades, and trespassers. Maintain protectionduring installation and maintenance periods. Treat, repair, or replace damagedlandscape work as directed.3.11 INSPECTION AND ACCEPTANCEA. When landscape work is completed, including maintenance, Architect will, uponrequest, make an inspection to determine acceptability.B. When inspected landscape work does not comply with requirements, replacerejected work and continue specified maintenance until reinspected by Architectand found to be acceptable. Remove rejected plants and materials promptly fromproject site.END OF SECTION3.5 MISCELLANEOUS VALVES A. Install manual drain valves up stream. Install devise at mainline tap in accordance with manufacturer requirements for complete operation. Install backflow provision and connect to controller.3.6 CIRCUIT VALVES A. Install in valve box, arranged for easy adjustment and removal. 1. Provide union on downstream side. 2. Adjust automatic control valves to provide flow rate of rated operating pressure required for each sprinkler circuit.3.7 PIPE INSTALLATION A. Lay PVC pipe in accordance with standard and acceptable practice. Thrust blocks to be used at points of intersection and change of direction in main line pipe as per manufacturer's recommended specifications. Install manual drains. B. PVC pipe joints, solvent welded except as indicated. Cut pipe square, deburr, wipe from surface all saw chips, dust, dirt, moisture and any foreign matter which may contaminate the cemented joint. Apply cleaner/primer and solvent cement, make joints in accordance with manufacturer's recommendations. Use Teflon thread sealant (tape) at all threaded joints. C.Contractor shall size pipe according to schedule provided. Flow velocities shall not exceed 5 feet/second in all cases. Lateral lines shall be laid out and installed per zone to balance the pressure loss and provide minimum fluctuation in system operating pressures. Pipe Size Pipe Section Pipe Size Pipe Section 3/4" 0-9 GPM 1 1/2" 26-34 GPM 1" 10-17 GPM 2" 35-50 GPM 1 1/4" 18-25 GPM 2 1/2" 51-80 GPM D. Techline Drip Line: Place in shallow furrow at 1"-2" below finish topsoil grade,below layer of specified mulch. Lay in uniform grid pattern in groundcover/shrub areas (rows18"-24" apart max). Coil 20 linear feet at each balled and burlapped tree around base andto allow for tree removal if required. Staple drip line every 36" max. Flush all lines with fullhead of water prior to installation of flush valves at end of circuit runs. E. Flush Valves: Install flush valve at end of each drip line run.3.8 SPRINKLER HEADS A. Flush circuit lines with full head of water prior to head installation. 1. Install heads at level with mulch 2. Locate part-circle shrubbery heads to maintain a minimum distance of six inches (6") from walls and four inches (4") from other boundaries unless otherwise indicated. Keep overspray to a minimum.3.9 CONTROL WIRE INSTALLATION A. Bury wires beside or below main line pipe in same trench. B. Bundle multiple wires together with tape at ten feet (10') maximum intervals. C. Provide 36 inch loop in wires at each valve where controls are connected and at 100' maximum intervals between. D. Make all electrical joints (splices) in boxes only. Make electrical joints waterproof. Scotch-Lock connectors, or approved.3.10 AUTOMATIC CONTROLLER A. Install on site as approved. Verify location with Owner Representative. B. Install typewritten legend inside controller door.3.11 TESTING A. Do not allow or cause any work of this Section to be covered up or enclosed until it has been inspected and tested. B. Pressure testing: 1. Make necessary provision for thoroughly bleeding the line of air and debris. 2. Before testing, cap all risers, and install all valves. 3. Fill all main supply lines with water. Pressurize to 100 psi. Close air supply and test for leakage. Test shall be approved if no greater than 5 psi loss occurs in 15 minutes. 4. Fill all zone lines with water to static pressure. Hold for 15 minutes. Inspect for leakage. 5. Contractor shall provide all required testing equipment and personnel. Test shall be performed in presence of Architect. Contractor shall make notice of test (48) hours in advance. 6. Provide required testing equipment and personnel. 7. Repair leaks, and retest until acceptance by the Architect. C. Coverage inspection: upon completion of all systems, perform a coverage test to determine if coverage of water afforded all areas is complete, adequate and uniform. Change heads, nozzles, orifices and/or adjustment as directed to provide uniform coverage. D. Final inspection: 1. Clean, adjust, and balance all systems. Verify that: a. Remote control valves are properly balanced; b. Heads are properly adjusted for radius and arc of coverage; c. The installed system is workable, clean and efficient. E. Winterization: Winterize system at the end of first season of system operation. Review procedures with Owner Representative.END OF SECTIONSECTION 32 84 00 - IRRIGATION (PERFORMANCE)PART 1 - GENERAL1.1 CONDITIONS AND REQUIREMENTS: A. General and Supplementary Conditions, and Division 1 General Requirements.1.2 SUMMARY A. Work included: 1. Provide and install a complete and operating automatic irrigation system for all lawn and planting areas. 2. Connect to main water supply at existing site stubout as provided. 3. Sleeving under paved areas (by others) 4. Obtain and pay for all permits and fees for the work of this section. 5. Perform work on a design/construct basis, subject to the requirements of the Contract Documents, applicable codes, and good design practice. 6. Winterization of system.1.3 SUBMITTALS A. Within 30 days after Contractor's receipt of Owner's Notice to Proceed, submit: 1. Manufacturer's printed product information and catalog cut sheets for all system components; five copies. B. Shop Drawings: Submit shop drawings for underground irrigation system including plan layout and details illustrating location and type of head, type and size of valve, piping circuits, circuit GPM, pipe size, controls, and accessories. C. Record Drawings: At completion of this work, submit to the Contractor: 1. Record Drawings; reproducible and five prints. 2. Operations and Maintenance information (2 copies), including: a. Information including descriptive details, parts list, specifications, maintenance schedules and procedures for system components. b. Operation, adjustment of system and components instructions. c. Winterization procedures. d. Schedule indicating required open valve time to produce given precipitation amounts and seasonal adjustments. e. Warranties and guarantees. f. Submit five copies.1.4 GUARANTEE A. Guarantee in writing all materials, equipment and workmanship furnished to be free of all defects of workmanship and materials. Within one year after date of Substantial Completion repair or replace all defective parts or workmanship that may be found at no additional cost to Owner. B. Fill and repair all depressions and replace all necessary lawn and planting which result from the settlement of irrigation trenches for one year after date of Substantial Completion. C. Supply all manufacturer's printed guarantees.1.5 QUALITY ASSURANCE A. Contractor shall be licensed in the State in which this work is being performed. B. Contractor shall have at least two years prior experience in projects of equal or larger scope. Provide minimum of three references and list of similar projects with owners' names, addresses, and phone numbers, when requested by Owner. C. Contractor shall employ on site at all times a foreman who is thoroughly experienced and competent in all phases of the work of this Section.1.6 SYSTEM DESCRIPTION A. Design requirements: 1. Minimum water coverage: Planting areas - 85%, Lawn areas - 100% 2. Layout system to obtain optimum coverage using manufacturer's standard heads. Spray on walks, walls or paved areas is not acceptable. 3. Zoning shall be designed for optimum use of available pressure and efficient distribution for types of plantings and shapes of planting areas. 4. Design pressures: Install pressure regulating equipment as necessary. 5. Provide/install approved fixed tee or coupling device for air blow winterization. Location shall be on main supply line downstream from main shut off valve. 6. Install approved backflow prevention device in conformance with local or prevailing codes, and in approved site location. Provide for drainage without erosive damage.1.7 EXTRA EQUIPMENT A. In addition to installed system, furnish owner with the following: 1. Valve operating key and marker key. 2. Wrench for each sprinkler head cover type. 3. Two (2) sprinkler head bodies of each size and type. 4. Two (2) nozzles for each size and type used. B. Store above items safely until Substantial Completion. C. Deliver above items at Substantial Completion.PART 2 - PRODUCTS2.1 PIPE AND FITTINGS A. PVC 1120, ASTM D-1784, permanently marked with manufacturer's name, schedule rating, size, type. Solvent-weld type: 1. Pipe: a. Pressure lines: Schedule 40 solvent weld. b. Lateral lines: Class 200 pvc. c. Sleeving: Class 200 pvc. 2. Fittings: Schedule 40 PVC, solvent-weld type. Install threaded joints where required at valves, risers, etc. 3. Risers: Lawn and shrub heads - flexible and damage-resistant plastic "polypipe" riser. 4. Solvent: NSF approved solvent for Type I & II PVC. B. Polyethylene Pipe 1. Pipe: Class 100, 3/4" lateral line, for use on drip irrigation zone(s) where drip tubing is not otherwise used. 2. Fittings: Schedule 80 PVC. 3. Clamps: Stainless Steel. C. Drip Line: Netafim Techline Dripperline, with .6 GPH drippers at 18" spacing.2.2 SPRINKLER HEADS A. Description: Appropriate for application in throw, pressure and discharge. Each type of head shall be of a single manufacturer. 1. Lawn heads: pop-up type. B. Manufacturer: Rainbird, Hunter, Weathermatic Irrigation Company.2.3 AUTOMATIC CONTROL SYSTEM A. General; Furnish low voltage system manufactured expressly for control of automatic circuit valves of underground irrigation systems. Provide unit of capacity to suit number of circuits as indicated. B. Control Enclosure: Manufacturer's standard wall mount with locking cover, complying with NFPA 70. C. Circuit Control: each circuit variable from approximately 5 to 60 minutes. Including switch for manual or automatic operation of each circuit. D. Timing Device: Adjustable 24-hour and 7 or 14 day clocks to operate any time of day and skip any day in a 7 or 14 day period. E. Wiring: Solid or stranded direct-burial type as recommended by manufacturer of control unit; type AWG-UF, UL approved.2.4 VALVING A. Manual valves: brass or bronze for direct burial, gate valves, 150 pound class, threaded connection with cross type handle designed to receive operating key. B. Automatic circuit valves: high impact plastic with corrosion-resistant internal parts. Low power solenoid control, normally closed, with manual flow adjustment; same manufacturer as control unit. 1. Standard sprinkler valve shall be Rainbird PEB-PRS-B. Use scrubbervalve if not connected to potable water. 2. Drip Control Zone Kit: Hunter PCZ-101. C. Quick coupler valve: brass or bronze construction with hinged top. One per zone or valve grouping. D. Manual drain valves: 1. Bronze construction, straight type, 150 pound class, threaded connections, with cross type operating handle designed to receive operating key. Calco, Champion 100, or approved equal. 2. Size: 3/4 inch. E. Pressure Regulator: Netafim Model PRV075HF35, 3/4", one per zones. F. Flushing Valve: Netafim Model TLFV-1, two per zone (each end). G. Filter: Netafim Model DF075-120, 3/4" filter; one per drip zone. H. Air Relief Valve: Netafim Model TLAVRV,2.5 MISCELLANEOUS A. Chemicals: primer and solvent glue as required by pipe manufacturer. B. Valve box - high impact plastic, green in color. C. Valve cover and frame - compatible with valve box with provision for locking. D. Drainage backfill - clean gravel or crushed stone, graded from 3" maximum to 3/4" minimum.PART 3 - EXECUTION3.1 GENERAL A. Install system to provide for adequate protection against freeze damage. B. Install system in accordance with approved Contractor design drawings. All deviations from the plans must be approved, and clearly recorded on record drawing. C. Install system and components in strict accordance with manufacturer's recommendations. D. Install quick coupler(s) on main supply line, approximately equal spacing, at valve box locations or intervals of approximately 200 feet, whichever is greater. Locate adjacent to paved surfaces, at valve boxes where practical.3.2 SURFACE CONDITIONS A. Examine the areas and conditions under which work will be performed. Notify Contractor of conditions detrimental to timely and proper completion of Section work. Do not proceed until unsatisfactory conditions are corrected. B. Locate all underground utilities and structures and notify Architect of any conflict with Section work. Protect structures and utilities. Repair or replace said structures or utilities damaged by this work at no cost to the Owner.3.3 SLEEVING A. Sleeving installed by others. Coordinate with other trades.3.4 TRENCHING AND BACKFILLING A. Trenching and backfilling shall be per applicable ISPWC Section. B. Cut trenches straight and without abrupt grade changes to allow the following minimum cover: 1. Main Lines and Sleeving: 18 inches. 2. PVC Laterals: 12 inches. C. Surround lines with 2 inches of clean rock-free material on all sides.