HomeMy WebLinkAboutL16.0_Landscape Specifications SECTION 32 90 00- LANDSCAPE WORK 1.7 SEQUENCING AND SCHEDULING 3.2 PREPARATION OF PLANTING SOIL PART 3- EXECUTION
A. Planting Time: Proceed with and complete landscape work as rapidly as portions of the site A. Before mixing, clean topsoil of roots, plants, sod, stones, clay lumps, and other extraneous 1.3 SUBMITTALS
Part 1 -GENERAL become available,working within seasonal limitations for each kind of landscape work materials harmful or toxic to plant growth. A. Within 30 days after Contractor's receipt of Owner's Notice to Proceed, submit: 3.1 GENERAL
required. B. Mix specified compost and fertilizers with topsoil at rates specified. Delay mixing fertilizer If A.1. Manufacturer's printed product information and catalog cut sheets for all system A. Install system to provide for adequate protection against freeze damage.
1.1 RELATED DOCUMENTS A.1. Plant or install all plant materials during normal planting seasons from 15 March to 15 planting will not follow placing of planting soil in a few days. copies.components;five co
A. Drawings and general provision of Contract, including General and Supplementary Conditions November. Compost: Lawn Areas: 1/4 compost, : 3/4 topsoil. p p B. Install system in accordance with approved Contractor design drawings.All deviations from
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and Division 1 Specification Sections. A.2. Correlate planting with specified maintenance periods to provide maintenance from date Shrub Areas: 1/3 compost, 2/3 topsoil. B. Shop Drawings: Submit shop drawings for underground irrigation system including plan layout the plans must be approved, and clearly recorded on record drawing.
and details illustrating location and type of head, type and size of valve, piping circuits, circuit C. Installs stem and components in strict accordance with manufacturer's recommendations.
of sustantial completion. Fertilizer: Per soil test and manufacture's recommendations. y p
GPM, pipe size, controls, and accessories.
1.2 SUMMARY B. Coordination with Lawns: Plant trees and shrubs after final grades are established and prior to C. For shrub and lawn area, mix planting soil either prior to planting or apply on surface of topsoil D. Install quick coupler(s)on main supply line, approximately equal spacing, at valve box
A. This Section includes provisions for the following items: planting of lawns, unless otherwise acceptable to Owner's Representative. If planting of trees and mix thoroughly before planting. C. Record Drawings:At completion of this work, submit to the Contractor: locations or intervals of approximately 200 feet, whichever is greater. Locate adjacent to paved
A.1. Trees and shrubs occurs after lawn work, protect lawn areas and promptly repair damage to lawns C.1. Record Drawings; reproducible and five prints. surfaces, at valve boxes where practical.
A.2. Shrubs, Grasses, Ground Cover resulting from planting operations. 3.3 PREPARATION FOR PLANTING LAWNS C.2. Operations and Maintenance information (2 copies), including:
A.3. Lawns A. After excavating and removing surface material to proper depth, loosen subgrade of lawn C.2.a. Information including descriptive details, parts list, specifications, maintenance 3.2 SURFACE CONDITIONS
A.4. Topsoil and Soil Amendments 1.8 SPECIAL PROJECT WARRANTY areas to a minimum depth of 4 inches. Remove stones measuring over 1-1/2 inches in any schedules and procedures for system components. A. Examine the areas and conditions under which work will be performed. Notify Contractor of
A.5. Miscellaneous Landscape Elements A. Warranty lawns through specified lawn maintenance period, until Final Project Acceptance. dimension. Remove sticks, roots, rubbish, and other extraneous matter. Limit preparation to C.2.b. Operation, adjustment of system and components instructions. conditions detrimental to timely and proper completion of Section Do not proceed until
A.6. Initial maintenance of landscape materials B. Warranty trees and shrubs for a period of one year after date of substantial completion, areas which will be planted promptly after preparation. C.2.c. Winterization procedures. unsatisfactory conditions are corrected.
B. Related Sections:The following sections contain requirements. against defects including death and unsatisfactory growth, except for defects resulting from A.1. Spread topsoil mix to minimum depth of 4 inches for sodded lawns as required to meet B. Locate all underground utilities and structures and notify Architect of an conflict with Section
B.1. Underground sprinkler system is specified in Section 32 84 00- Irrigation neglect by Owner, abuse or damage by others, or unusual phenomena or incidents beyond lines, grades, and elevations shown, after light rolling, addition of amendments, and C.2.d. Schedule indicating required open valve time to produce given precipitation amounts 9 Y Y
landscape Installer's control. natural settlement. Place approximately 1/2 of total amount of topsoil required. Work into and seasonal adjustments. work. Protect structures and utilities. Repair or replace said structures or utilities damaged by
1.3 QUALITY ASSURANCE C. Remove and replace trees, shrubs, or other plants dead or in unhealthy condition during top of loosened subgrade to create a transition layer and then place remainder of planting C.2.e. Warranties and guarantees. this work at no cost to the Owner.
A. Subcontract landscape work to a single firm specializing in landscape work. warranty period. make replacements during growth season following end of warranty period. soil.Add specified soil amendments as required and mix thoroughly into upper 4 inches C.2.f. Submit five copies.
B. Source Quality Control: Replace trees and shrubs which are in doubtful condition at the end of the warranty period; of topsoil. 3.3 SLEEVING
B.1. General: Ship landscape materials with certificates of inspection required by governing unless, in the opinion of the Owner's Representative, it is advisable to extend warranty period 1.4 GUARANTEE A. Sleeving installed by others. Coordinate with other trades.
authorities. Comply with regulations applicable to landscape materials. for a full growing season. 3.4 PREPARATION OF PLANTING BEDS A. Guarantee in writing all materials, equipment and workmanship furnished to be free of all
B.2. Do not make substitutions. If specified landscape material is not obtainable, submit proof A. Loosen subgrade of planting areas to a minimum depth of 6 inches using a culti-mulcher or defects of workmanship and materials.Within one year after date of Substantial Completion 3.4 TRENCHING AND BACKFILLING
of non-availability to Owner or Owner's Representative, with proposal for use of Part 2-PRODUCTS similar equipment. Remove stones measuring over 1 1/2 inches in any dimension. Remove Z
repair or replace all defective parts or workmanship that may be found at no additional cost to A. Trenching and backfilling shall be per applicable ISPWC Section. p
equivalent material. stocks, stones, rubbish, and other extraneous matter. Owner. B. Cut trenches straight and without abrupt grade changes to allow the following minimum cover: a
B.3. Analysis and Standards: Package standard products with manufacturer's certified 2.1 TOPSOIL B. Spread planting soil mixture to minimum 12 inch depth required to meet lines, grades, and g. Fill and repair all depressions and replace all necessary lawn and planting which result from iY
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analysis. For other materials, provide analysis b recognized laboratory made in A. If deemed usable, native topsoil shall be stock sled for re-sue in landscape work. Topsoil shall elevations shown, after light rolling and natural settlement.Add 1 1/2 inches of specified g U
accordance with methods established by the Association of Official Agriculture Chemists, be fertile,friable, natural loam, surface soil, reasonably free of subsoil, clay lumps, brush, compost over entire planting area and mix thoroughly into upper 6 inches of topsoil. Place the settlement of irrigation trenches for one year after date of Substantial Completion. B.2. PVC Laterals: 12 inches. w
wherever applicable. weeds, roots, stumps, stones larger than 1 inch in an dimension, and other extraneous or approximately 1/2 of total amount of planting soil required. Work into to of loosened subgrade C. Supply all manufacturer's printed guarantees. C. Surround lines with 2 inches of clean rock-free material on all sides.
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B.4. Trees, Shrubs, and Groundcovers: Provide trees, shrubs, and groundcovers of quantity, toxic matter harmful to plant growth. to create a transition layer,then place remainder of the planting soil.
size, genus, species, and variety shown and scheduled for work complying with A.1. Contractor shall send a minimum of three(3) representative topsoil samples for testing. C. Apply Pre-Emergent per manufacturer's recommendation. 1.5 QUALITY ASSURANCE 3.5 MISCELLANEOUS VALVES �
recommendations and requirements of ANSI Z60.1 "American Standard for Nursery See testing requirements below. Contractor is responsible for whatever soil additives are A. Contractor shall be licensed in the State in which this work is being performed. A. Install manual drain valves up stream. Install devise at mainline tap in accordance with o
Stock". Provide healthy, vigorous stock, grown in recognized nursery in accordance with recommended by the tests. Submit to Architect for approval. Compost will be added to 3.5 PLANTING TREES AND SHRUBS B. Contractor shall have at least two years prior experience in projects of equal or larger scope. manufacturer requirements for complete operation. Install backflow provision and connect to
good horticultural practice and free of disease, insects, eggs, larvae, and defects such as other additives and added regardless of test results. A. Set balled and burlapped (B&B)stock on layer of compacted planting soil mixture, plumb and Provide minimum of three references and list of similar projects with owners' names, controller.
knots, sun-scald, injuries, abrasions, or disfigurement. B. If quantity of stockpiled topsoil is insufficient, contractor to provide imported topsoil that is in center of pit or trench with top of ball at same elevation as adjacent finished landscape addresses, and phone numbers,when requested by Owner.
B.5. Label at least one tree and one shrub of each variety by attaching a waterproof tag with fertile, friable, natural loam, surface soil, reasonably free of subsoil, clay lumps, brush,weeds grades. Remove burlap from sides of balls; retain on bottoms.When set, place additional C. Contractor shall employ on site at all times a foreman who is thoroughly experienced and
legible designation of botanical and common name. and other litter, and free of roots, stumps, stones larger than 1 inches in any dimension, and backfill around base and sides of ball, and work each layer to settle backfill and eliminate voids p y g Y ex p 3.6 CIRCUIT VALVES
competent in all phases of the work of this Section. A. Install in valve box, arranged for easy adjustment and removal.
B.5.a. Where formal arrangements or consecutive order trees or shrubs are shown, select other extraneous or toxic matter harmful to plant growth. and air pockets. Place fertilizer tablets in excavated area per manufacture's written 9 Y 1
stock for uniform height and spread. B.1. Obtain topsoil from local sources or areas with similar soil characteristics to that of project instructions.When excavation is approximately 2/3 full,water roughly before placing A.1. Provide union on downstream side.
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B.6. Inspection: The Owner's Representative may inspect trees and shrubs either at lace of site. Obtain topsoil only from natural) well-drained sites where topsoil occurs in a depth remainder of backfill. Repeat watering until no more is absorbed. Water again after lacin A.2. Adjust automatic control valves to provide flow rate of rated operating pressure required
growth or at site before planting,for compliance with requirements for genus, species, of not less than 4 inches. Do not obtain from bogs or marshes. final layer of backfill. Remove all ties from around base of trunk. A. Design requirements: for each sprinkler circuit. L
variety, size, and quality. Owner's Representative retains right to further inspect trees and B.2. Composition: Topsoil shall contain from 1 to 20%organic matter as determined by the B. Set container grown stock, as specified,for balled burlapped stock, except cut cans on 2 sides A.1. Minimum water coverage: Planting areas-85%, Lawn areas- 100%
shrubs for size and condition of balls and root systems, insects, injuries and latent Organic Carbon, 6A, Chemical Analysis Method described in USDA Soil Survey with an approved can cutter and remove can; remove bottoms of wooden boxes after partial A.2. Layout system to obtain optimum coverage using manufacturer's standard heads. Spray 3.7 PIPE INSTALLATION
defects, and to reject unsatisfactory or defective material at an time during progress of Investigation Report No. 1. Maximum article size, 3/4-inch,with maximum 3% retained backfillin so as not to damage root balls. O
1 Y Y 9 p 9 9 P p 9 9 on walks,walls or paved areas is not acceptable. A. Lay PVC pipe in accordance with standard and acceptable practice.Thrust blocks to be used
work. Remove rejected trees or shrubs immediately from project site. on 1/4-inch screen. Other components shall conform to the following limits: C. Dish top of backfill to allow for mulching. A.3. Zoning shall be designed for optimum use of available pressure and efficient distribution at points of intersection and change of direction in main line pipe as per manufacturer's
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pH 6.5 to 7.5 D. Mulch pits, and planted areas. Provide not less than following thickness of mulch, and work for types of plantings and shapes of planting areas. recommended specifications. Install manual drains.
1.4 SUBMITTALS Soluble Salts 600 ppm maximum into top of backfill and finish level with adjacent finish grades. A.4. Design pressures: Install pressure regulating equipment as necessary.
A. General: Submit the following in accordance with Conditions of Contract and Division 1 Silt 25-50% D.1. Provide 3 inches thickness of mulch. g p p g gB. PVC pipe joints, solvent welded except as indicated. Cut pipe square, deburr,wipe from
Specification on Sections. Clay 2 -30% E. If season and weather conditions dictate, apply anti-desiccant, using power spray,to provide A.5. Provide/install approved fixed tee or coupling device for air blow winterization. Location surface all saw chips, dust, dirt, moisture and any foreign matter which may contaminate the
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B. Plant and Material Certifications: Sand 20-50% an adequate film over trunks, branches, stems,twigs and foliage. shall be on main supply line downstream from main shut off valve. cemented joint.Apply cleaner/primer and solvent cement, make joints in accordance with ^ z
B.1. Certificates of inspection as required by governmental authorities. B.3. Contractor shall submit representative soil report on imported topsoil proposed for use for F. Prune, thin out, and shape trees and shrubs in accordance with standard horticultural practice. A.6. Install approved backflow prevention device in conformance with local or prevailing manufacturer's recommendations. Use Teflon thread sealant(tape)at all threaded joints. ^ vi
B.2. Manufacturer's or vendor's certified analysis for soil amendments and fertilizer materials. approval. Report shall meet standards below. Contractor is responsible for whatever soil Prune trees to retain required height and read. Unless otherwise directed b Architect, do codes, and in approved site location. Provide for drainage without erosive damage. C. Contractor shall size pipe according to schedule provided. Flow velocities shall not exceed 5 Q
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feet/second in all cases. Lateral lines shall be laid out and installed per zone to balance the -
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3. Label data substantiating that plants,trees, shrubs, and planting materials comply with additives are recommended by the test. Compost will be in addition to other additives and not cut tree leaders, and remove only injured or dead branches from flowering trees, if any. p U
specified requirements. added regardless of test results. Prune shrubs to retain natural character. 1.7 EXTRA EQUIPMENT pressure loss and provide minimum fluctuation in system operating pressures. o 00
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C. Mulch: Submit 1 gallon bag of mulch sample for approval. C. Soil Testing G. Remove and replace excessively pruned or misformed stock resulting from improper pruning. A. In addition to installed system, furnish owner with the following: Pipe Size Pipe Section Pipe Size Pipe Section a o N
C.1. Soil tests are required for this project(see above for requirements).Test shall be provided H. Guy and stake trees immediately after planting, as indicated. 3/4"0-9 GPM 1 1/2"26-34 GPM 0 N N
A.1. Valve operating key and marker key. Z °,
1.5 DELIVERY, STORAGE,AND HANDLING as follows: I. Apply approved herbicide to all shrub bed areas at manufacture specified rate. Re-apply as 1" 10-17 GPM 2"35-50 GPM Q - 00
A.2. Wrench for each sprinkler head cover type. Z U) o
A. Sod: Time delivery so that sod will be placed within 24 hours after stripping. Protect sod Provide certified analysis at time of sample submitted (three samples imported topsoil). necessary for elimination of weeds. a
A. Two(2)sprinkler head bodies of each size and type. 1 1/4" 18-25 GPM 2 1/2"51-80 GPM o a�
against drying and breaking of rolled strips. Amend soils per chemist's recommendations and as herein specified = °, N
A.4. Two 2 nozzles for each size and type used. D. Techline Drip Line: Place in shallow furrow at 1%2"below finish topsoil grade, below layer of CD
B. Trees and Shrubs: Provide freshly dug trees and shrubs. Do not prune prior to delivery unless unless otherwise approved by Landscape Architect. 3.6 SODDING NEW LAWNS ( ) Yp w to �
y specified mulch. Lay in uniform grid pattern in groundcover/shrub areas(rows 18"-24"apart o °o
otherwise approved by Owner's Representative. Do not bend or bind-tie trees or shrubs in C.2. Test shall include, but not limited to recommendations on chemical distributions, organic A. General: Install lawn sod in all areas designated on the drawings. B. Store above items safely until Substantial Completion. � o
such manner as to damage bark, break branches, or destroy natural shape. Provide protective contents, pH factors, and sieve analysis as necessary. Test#1T by Western B. Soil Preparation C. Deliver above items at Substantial Completion. max). Coil 20 linear feet at each balled and burlapped tree around base and to allow for tree a 111111111111111111111111111111111
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a covering during delivery. Do not drop balled and burlapped stock during delivery. Laboratories(1-800-658-3858) is required. B.1. Any sod lawn areas that may have become compacted prior to sodding must be scarified
removal if required. Staple drip line every 36" max. Flush all lines with full head of water prior N 'D
preparations planting p p p y g p g ( ) • y pp g to installation of flush valves at end of circuit runs. o C, °;
C. Deliver trees and shrubs after re arations for lantin have been competed and )ant C.3. Contractor is responsible for whatever soil additives are recommended b the soil testing to a depth of eight 8 inches b approved means, then finish graded as hereinbefore PART 2- PRODUCTS N o .N
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immediately. If planting is delayed more than 6 hours after delivery, set trees and shrubs in laboratory. described. E. Flush Valves: Install flush valve at end of each drip line run. p � m°
T shade, protect from weather and mechanical damage, and keep roots moist by covering with CA. Contractor shall coordinate, obtain and pay for all soil tests. C. Lay sod within 24 hours from time of stripping. Do not plant dormant sod or if ground is frozen.
0 mulch, burlap, or other acceptable means of retaining moisture. C.5. If regenerative noxious weeds are present in the soil, remove all resultant growth D. Sod Placement 2.1 PIPE AND FITTINGS 3.8 SPRINKLER HEADS
D. Do no remove container-grown stock from containers until planting time. including roots throughout one-year period after acceptance of work, at no cost to Owner. D.1. Sod will be brought onto lawn areas b wheeled means with proper protection of sod Sod A. PVC 1120,ASTM D-1784, permanently marked with manufacturer's name, schedule rating,
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E. Do not drop or dump materials from vehicles during delivery or handling.Avoid any damage to layers shall be experienced, or if inexperienced, shall be constantly supervised by an size, type. Solvent-weld type: A.1. Install heads at level with mulch. �
root balls during delivery, storage, and handling. 2.2 pH ADJUSTERS experienced foreman.The Contractor shall insure that the base immediately ahead of sod A.1. Pipe: A.2. Locate part-circle shrubbery heads to maintain a minimum distance of six inches(6")from w
t A. When pH does not comply with this specification, commercial grade aluminum sulfate shall be layer is moist. Sod shall be laid tight with not gaps.Allowance shall be made for A.1.a. Pressure lines: Schedule 40 solvent weld. walls and four inches(4")from other boundaries unless otherwise indicated. Keep UJ
3 1.6 JOB CONDITIONS used to adjust soil pH. shrinkage. Lay sod with long edges perpendicular to primary slope. A.1.b. Lateral lines: Schedule 40 pvc. overspray to a minimum.
A. Utilities: Determine location of underground utilities and work i a manner which will avoid D.2. Lay to form a solid mass with tightly fitted joints. Butt ends and sides of strips; do not A.1.c. Sleeving: Class 200 pvc. Q
y possible damage. hand excavate, as required. Maintain grade stakes until removal is mutually 2.3 SOIL AMENDMENTS overlap. Stagger strips to offset joints in adjacent courses. Work on boards to avoid
agreed upon by parities concerned. A. Compost: Compost: "Cascade Compost"from Cloverdale Nursery(208)375-5262 and NuSoil damage to subgrade or sod.Tamp or roll lightly to ensure contact with subgrade.Work A.2. Fittings: Schedule 40 PVC, solvent-weld type. Install threaded joints where required at 3.9 CONTROL WIRE INSTALLATION
valves, risers, etc.
B. Excavation: When conditions detrimental to plant growth are encountered such as rubble fill - A. Bury wires beside or below main line pipe in same trench.
p g Compost(208)629 6912 or approved equal in equal amounts by volume. sifted soil into minor cracks between pieces; remove excess to avoid smothering of ry p p
N adverse drainage conditions, or obstruction, notify Owner's Representative before planting. B. Commercial Fertilizer: Fertilizer shall be complete, standard commercial brand fertilizer. It shall adjacent grass. A. Risers: Lawn and shrub heads flexible and damage resistant plastic"polypipe" riser. B. Bundle multiple wires together with tape at ten feet(10') maximum intervals. J
a C. Adjacent Landscape: Protect planted areas adjacent to construction area. Replace or be free-flowing and packaged in new waterproof, non-overlaid bags clearly labeled as to D.3. Sod shall be rolled with a two hundred (200) pound roller after installation to insure proper A.4. Solvent: NSF approved solvent for Type I & II PVC. C. Provide 36 inch loop in wires at each valve where controls are connected and at 100' W
recondition to prior conditions at project completion. weight, manufacturer, and content. Protect materials from deterioration during delivery and contact between soil and sod. Final rolling must provide a uniform surface.After final B. Polyethylene Pipe maximum intervals between. z Q W
D. Tree Protection: while stored at site. rolling,the sod lawn shall be mowed and watered.Approval of sod lawns shall be based B.1. Pipe: Class 100, 3/4" lateral line,for use on drip irrigation zone(s)where drip tubing is not D. Make all electrical joints(splices) in boxes only. Make electrical joints waterproof. Scotch-Lock 0
D.1. Existing trees to remain should be protected before any site/demolition.Tree protection B. Commercial fertilizer"A"for trees and shrubs during planting; slow release Agriform on uniform, healthy and vigorous growth with no dry or dead spots. otherwise used. connectors, or approved. - 0
Y area is defined as the area within the drip line diameter. Planting 5-gram tablets 20-10-5 type or equal. DA. Add fertilizer"B"at the manufacturer's recommended application rate. B.2. Fittings: Schedule 80 PVC. U)_ W -
11 D.2. Place protective fencing around a tree protection zone. Protective fencing shold consist of B.2. Commercial fertilizer"B"for lawn areas, applied to bed prior to sodding, to be 16-16-17 E. Water sod thoroughly with a fine spray immediately after planting. B.3. Clamps: Stainless Steel. W
highly visible, physical barrier(a minimum 6-foot high chain-link fence is recommended) applied at the rate of ten pounds per acre. F. Sodded Lawn Establishment p 3.10 AUTOMATIC CONTROLLER > 0 z Z
N p p ( ) planting g p g q g g C. Drip Line: Netafim Techline Dripperline,with .6 GPH drippers at 18"spacing. A. Install on site as approved.Verify location with Owner Representative.
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to be laced 10-feet outside the dri line of the trees . B.3. Commercial fertilizer"C"for lawn areas three to four weeks after lantin sod. Organic F. The Contractor shall be responsible for first mowing, subsequent mowin s and fertilizing
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D.3. Do not strip topsoil or grub under story within protection area. The tree under story to be Fertilizer Milorganite(6-0-2)type or equal. of sod lawn areas until Final Acceptance of the project. B. Install typewritten legend inside controller door. >_ 2 0
removed shall be cut instead of pulling or grubbing. Leave the soil undisturbed. C. Herbicide: Pre-emergent for topical application in planting beds. Oxiadiazon 2G brand or F.2. Subsequent fertilizing shall occur three to four weeks after installation.Apply fertilizer as 2.2 SPRINKLER HEADS coU) -
3 DA. Prohibit earth stockpiling, material storage, vehicle parking and traffic within tree pre-approved equal. Use in accordance with manufacturer's recommendation on all planting per the Manufacturer's recommended application rate.Verify all methods of application. A. Description:Appropriate for application in throw, pressure and discharge. Each type of head 3.11 TESTING � Q W
s protection area. beds. Contractor shall notify the Landscape Architect in writing that the fertilizer applications shall be of a single manufacturer.
D5 Prohibit dumping of chemicals, and materialsand i t h h d
A. Do not allow or cause any work of this Section to be covered up or enclosed until it has been (n Z W
3 . . roumpng o reuse, cemcas, an other an puddling or running water have occurred and on what dates. A. Lawn heads: pop-up type. inspected and tested.
that may injure tree growth. 2.4 PLANT MATERIALS z LJJ 1 1 O
B. Manufacturer: Rainbird, Hunter,Weathermatic Irrigation Company. B. Pressure testing: T_
U D.6. Prohibit cutting, breaking, and skinning of branches and roots.All pruning of branches A. Quality: Provide trees, shrubs, and other plants of size, genus, species, and variety shown for 3.7 MAINTENANCE
and roots is to be performed b a Certified Arborist. landscape work and complyingwith recommendations and requirements of ANSI Z60.1 A. Begin landscape maintenance immediate) after planting. Maintenance shall continue until B.1. Make necessary provision for thoroughly bleeding the line of air and debris. 5
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ws D.7. Prohibit skinning and bruising of bark. "American Standard for Nursery Stock". Project Final Acceptance. B.2. Before testing, cap all risers, and install all valves. 0
D.8. No changes in grade should be made within the dri line of existing trees. B. Deciduous Trees: Provide trees of height and caliper scheduled or shown with branching B. Maintain trees, shrubs, and other plants b pruning, cultivating, and weeding as required for A. General; Furnish low voltage system manufactured expressly for control of automatic circuit B.3. Fill all main supply lines with water. Pressurize to 100 psi. Close air supply and test for Q
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D.9. Temporary irrigation is highly recommended for all remaining trees during construction. configuration recommended b ANSI Z60.1 for a and species required. Single stem trees health growth. Restore planting saucers. Tighten and repair stake and u supports and reset valves of underground irrigation systems. Provide unit of capacity to suit number of circuits as leakage.Test shall be approved if no greater than 5 psi loss occurs in 15 minutes.
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This system should provide adequate coverage and quantity of water during all phases of except where special forms are shown or listed. trees and shrubs to proper grades or vertical position as required. Restore or replace damaged indicated. B.4. Fill all zone lines with water to static pressure. Hold for 15 minutes.Inspect for leakage. rU)
construction. C. Deciduous Shrubs: Provide shrubs of the height shown or listed, not less than minimum wrappings. Spray as required to keep trees and shrubs free of insects and disease. B. Control Enclosure: Manufacturer's standard wall mount with locking cover, complying with B.5. Contractor shall provide all required testing equipment and personnel. Test shall be V
D.10. Before the contractor leaves the site, all existing trees which have been damaged due to number of canes required by ANSI Z60.1 for type and height of shrub. C. Maintain lawns by watering, fertilizing,weeding, mowing,trimming, and other operations such NFPA 70.
performed in presence of Landscape Architect. Contractor shall make notice of test(48) z
construction should be repaired/replaced at the expenses of the contractor. D. Coniferous and Broadleafed Evergreens: Provide evergreens of sizes shown or listed. as tolling, regrading and replanting as required to establish a smooth, acceptable lawn,free of C. Circuit Control: each circuit variable from approximately 5 to 60 minutes. Including switch for hours in advance.
N E. Excavation Around Trees: Dimensions indicate minimum spread for spreading and semi-spreading type evergreens and eroded or bare areas. manual or automatic operation of each circuit. B.6. Provide required testing equipment and personnel.
E.1. Where trenching is required in the vicinity of the tree, proceed as follows: height for other types, such as globe, dwarf, cone, pyramidal, broad upright, and columnar. D. Maintain lawns for no less than period stated above, or longer as required to establish D. Timing Device:Adjustable 24-hour and 7 or 14 day clocks to operate any time of day and skip
EA.a. As the trench approaches the drip line of the tree, di b hand until the roots Provide normal quality evergreens with well balanced form complyingwith re requirements for acceptable lawn. B.7. Repair leaks, and retest until acceptance by the Landscape Architect.
pp p 9 Y q Y 9 q p any day in a 7 or 14 day period. C. Coverage inspection: upon completion of all systems, perform a coverage test to determine if
encountered are two inches or larger in diameter. other size relationships to the primary dimension shown. E. Wiring: Solid or stranded direct-burial type as recommended by manufacturer of control unit; Of
EA.b. A similar trench is to be dug on the opposite of the tree and a tunnel augured under 3.8 CLEANUP AND PROTECTION coverage of water afforded all areas is complete, adequate and uniform. Change heads, w g
2 the tree between the two trenches at a depth of 4 feet. 2.5 GRASS MATERIALS A. During landscape work, keep type AWG-UF, UL approved. 2 �
3 p g p p pavements clean and work area in an orderly condition. nozzles, orifices and/or adjustment as directed to provide uniform coverage. J U
EA.c. If auguring is impractical, continue digging by hand. Carefully dig under any roots A. Lawn sod: Provide strongly rooted sod, not less than 1 growing season old, and free of weeds B. Protect landscape work and materials from damage due to landscape operations, operations D. Final inspection: U m
3 over 4 inches in diameter. Do not cut main lateral roots or to roots. and undesirable native grasses. Provide only sod capable of growth and development when b other contractors and trades, and trespassers. Maintain protection during installation and 2.4 VALVING D.1. Clean, adjust, and balance all systems.Verify that: 00 m
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E.2. Where excavating for new construction is required in soil containing the roots of the tree, planted (viable, not dormant). maintenance periods.Treat, repair, or replace damaged landscape work as directed. A. Manual valves: brass or bronze for direct burial, gate valves, 150 pound class,threaded DA.a. Remote control valves are properly balanced; °� w w
hand excavate to minimize damage to root system. Use narrow tine spading forks and A.1. Provide sod of uniform pad sizes with maximum 5%deviation in either length or width. connection with cross type handle designed to receive operating key. Z Y Z
DA.b. Heads are properly adjusted for radius and arc of coverage; U (D
comb soil to expose roots are encountered, expose beyond excavation limits as required Broken pads or pads with uneven ends will not be acceptable. Sod pads incapable of 3.9 INSPECTION AND ACCEPTANCE B. Automatic circuit valves: high impact plastic with corrosion-resistant internal parts. Low power Q w U)
N to bend and relocate without breaking. supporting DA.c. The installed system is workable, clean and efficient. 3 = w
° g pporting their own weight when suspended vertically with a firm grasp on upper 10%of A. When landscape work is completed, including maintenance, Landscape Architect will, upon solenoid control, normally closed,with manual flow adjustment; same manufacturer as control _0 � U 0
E. If root relocation is not practical, cut roots approximately 3 inches back from new pad will be rejected. request, make an inspection to determine acceptability. unit. E. Winterization:Winterize system at the end of first season of system operation. Review a
� a construction. B. Provide sod composed of: Rhizomatous Tall Fescue RTF from the The Turf Company, B. When inspected landscape work does not comply with requirements, replace rejected work procedures with Owner's Representative. J
p ( ) p p p Y q p 1 B.1. Standard sprinkler valve shall be Rainbird PEB-PRS-B. Use scrubber valve if not
o a EA. Any digging or cutting that tears roots or disturbs soil beyond the grading limit is Meridian, ID (208)888-3760 or approved equal. and continue specified maintenance until reinspected by Landscape Architect and found to be connected to potable water. O o
y unacceptable.All roots larger than one inch much be cut by a Certified Arborist. acceptable. Remove rejected plants and materials promptly from project site. END OF SECTION
B.2. Drip Control Zone Kit: Hunter PCZ-101. 00 0
E. Do not allow exposed roots to dry before permanent backfill is placed; provide temporary 2.6 MISCELLANEOUS LANDSCAPE MATERIALS
o ° C. Quick coupler valve: brass or bronze construction with hinged top. One per zone or valve LO Z
0 o support and protect roots against damage until permanently relocated and covered with A. Anti-Desiccant: Emulsion type,film-forming agent designed to permit transpiration, but retard grouping. .• N
z � backfill. excessive loss of moisture from plants. Deliver in manufacturer's fully identified containers and END OF SECTION w N N
D. Manual drain valves:
F. Construction Pruning: mix in accordance with manufacturer's instructions. < �� 2 �
F. Hire an Arborist certified by the International Society of Arboriculture.Where roots have B. Mulch: Mulch for planting beds shall be medium ground bark mulch,free of splinters, D.1. Bronze construction, straight type, 150 pound class,threaded connections,with cross Z Z N
W Z c�i been cut,Arborist shall prune the tree to compensate for the root loss and prune any low consistent in appearance, and shall contain no toxic substance detrimental to plant life. SECTION 32 84 00- IRRIGATION (PERFORMANCE) type operating handle designed to receive operating key. Calco, Champion 100, or U I-- Q N
c y limbs which may interfere with construction activities. Compensate in approximate direct C. Stakes and Guys: Provide stakes and deadmen of sound new hardwood, treated softwood, or approved equal. Z IU I.ii
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> proportion to root loss. Do not use any sort of paint or dressing on wounds or pruning redwood,free of knot holes and other defects. Provide wire ties and guys of 2-strand,twisted, PART 1 -GENERAL D.2. Size: 3/4 inch. Q �O QLij
� � E cuts. Root pruned and construction pruned tree shall be fertilized by the landscape pliable galvanized iron wire, not lighter than 12 ga.with zinc-coated turnbuckles. Provide not E. Pressure Regulator: Netafim Model PRV075HF35, 3/4", one per zones. IY IY U Q
LU a contractor by broadcasting sulfur coated area 38-0-0 at the rate of 5 a lbs. per 1,000 less than 2 inch diameter rubber or plastic hose, cut to required lengths and of uniform color, 1.1 CONDITIONS AND REQUIREMENTS: F. Flushing Valve: Netafim Model TLFV-1,two per zone(each end). a
'o .. square feet over the root zones of the trees. material, and size to protect tree trunks from damage by wires. A. General and Supplementary Conditions, and Division 1 General Requirements. G. Filter: Netafim Model DF075-120, 3/4"filter; one per drip zone. SEAL
Z) � � H. Air Relief Valve: Netafim Model TLAVRV. �.•'' •••��••I••..�.
'w Part 3-EXECUTION ��. OF ,O •
Z 1.2 SUMMARY . �P . .� D
3.1 PREPARATION -GENERAL A. Work included: 2.5 MISCELLANEOUS
z a A. General Contractor shall be responsible for excavating planting areas to appropriate depths A.1. Provide and install a complete and operating automatic irrigation system for all lawn and A. Chemicals: primer and solvent glue as required by pipe manufacturer.
for placement of topsoil as specified herein. planting areas. B. Valve box- high impact plastic, green in color.
QB. Lay out individual tree and shrub locations and areas for multiple plantings. Stake locations A.2. Connect to main water supply at existing site stubout as provided. C. Valve cover and frame-compatible with valve box with provision for locking. _- k. w
and outline areas and secure Architect's acceptance before start of planting work. Make minor A.3. Sleeving under paved areas D. Drainage backfill-clean gravel or crushed stone, graded from 3"maximum to 3/4"minimum. G' N
oN adjustments as may be required. g p , 7/1 A213
o W A.4. Obtain and pay for all permits and fees for the work of this section. •.�
< � A.5. Perform work on a design/construct basis, subject to the requirements of the Contract •'•.LA/�DSCA4��.•'�
N t Documents, applicable codes, and good design practice. •••'••••••''��
J ..F> 3 CAUTION: NOTICE TO CONTRACTOR , A.6. Winterization of system. SHEET NO.
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oN = o THE CONTRACTOR IS SPECIFICALLY CAUTIONED THAT THE LOCATION AND/OR ELEVATION OF EXISTING ,
o a - UTILITIES AS SHOWN ON THESE PLANS IS BASED ON RECORDS OF THE VARIOUS UTILITY COMPANIES Al
iz Y E AND,WHERE POSSIBLE, MEASUREMENTS TAKEN IN THE FIELD. THE INFORMATION IS NOT TO BE RELIED
o ON AS BEING EXACT OR COMPLETE. THE CONTRACTOR MUST CALL THE LOCAL UTILITY LOCATION 17
° Z a CENTER AT LEAST 48 HOURS BEFORE ANY EXCAVATION TO REQUEST EXACT FIELD LOCATIONS OF THE
o CL �,_ UTILITIES. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO RELOCATE ALL EXISTING ow what's below 17 OF 1 8
UTILITIES WHICH CONFLICT WITH THE PROPOSED IMPROVEMENTS SHOWN ON THE PLANS. Call before you dig