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Home My WebLink About2908-6PLANTING SPECIFICATIONS PART 1 - GENERAL 1.01 SCOPE All work shalt be performed by a contractor with a C-27 license or greater. Work shall consist of furnishing all materials, services, and equipment necessary to completely install all landscape work as indicated on the drawings and herein specified 1.02 CITY INSPECTIONS & REQUIREMENTS A. Inspections shall be performed by a City or County Representative at the following tests. A 48 hour notice shall be given prior to anticipated inspections. Notify City or County of commencement of landscaping - give anticipated timeline from start to finish. Inspections shall be as follows: 1) Upon completion of finished grade, soil preparation and final rake out 2) When trees and shrubs are spotted for planting, with the exanVk of plmting hole for trees and one for shrubs. 3) Final Inspection when planting and all other specified wock has been eowaktod, B. All landscaping, irrigation and street trees shall be installed and 9 wig City County Codes, Ordinances, and Standard Rewiremwits. C. Material n+egssit+- for all plant material dadil be #1 graft of the California Nfumy icy Certificate as isawd by the agricultumvi commissioner of the county of origin. 1.03 GUARANTEE A. Alt plant materials installed and workmanship performed under the contract shall be guaranteed against any and all poor, inadequate or inferior materials and/or workmanship for a period of 365 days from the date of written final acceptance by city or County. B. During the guarantee period, any material found to be dead, missing, or in poor condition shall be replaced by the Contractor within tea (10) days of written notification. C. Replacement shall be made in accordance with the original contract drawings and specifications. D. Material and labor involved in replacing plant material shall be provided by the Contractor at so additional cost to the City or County. 1.04 SOILS TEST Contractor shall obtain agronomic soils tests covering all planting areas after completion of finish grading and prior to start of soil preparation work. Tests shall be performed by an approved agronomic soils tesatift laboratory and shall include a fertility and suitability analysis with written recommendations for soil preparation and planting backfill mix. The soils report shall take precedence over the minimum amendment and fertilizer application rates speciisod has in only when they exceed the specified minim�mu PART 2 - MATERIALS 2.01 FERTILIZERS, ORGANIC SOIL. ANVENDMENTS, AND MORGANIC SOIL ANCENDMENTS Fertilizers and soil amendments may include any or all of the specific materials specified herein and shall be applied at the rates indicated on the plans or in Part 2.06, BACKFILL MATERIAL and Part 3.02, SOIL PREPARATION, herein. A. Fertilizer: Shall be'Gro-Power Plus' and'Gro-Powe 20 Sr. planting tablets as manufactaired by Southern California Organic Fertilizer Co., Inc., telephone: (714) 750-3830. Or equal B. Organic Soil Amendment: Shall be nitrogen fortified redwood or cedar wood shavings and shalt contain a minimum of I% available nitrogen. Material containing manure or pine is unacceptable. C. Inorganic Soil Amendment: Shall be agricultural grade iron sulfate. 2.02 TOPSOIL All soil imported for backfill or as fill soil (if required) shall meet the follow irrg requueme:ds: BaektiS or !Id soil shall be from a source outside the limits of the project, selected by the Contractor and in with the requirements specified herein. The Contactor shall coordinate with the grading or general contractor in the case of fill soil and submit a written report of a testing agency, per 1.04 Soil Test, registered by the State prior to ewvemmnt of seta. Soil shall have the same relative composition and structure, a friable sandy loam character, and be free of roots, clods, and stones larger than 1 -inch is greatest dimension, pockets of coarse sand, noxious weeds, sticks, brush and other litter. It shall not be infested with nematodes or other undesirable insects and plant disease organism. Soil shall meet the following additional requirements: A. Gradation Limits. Sand = 65%, silt - 25•/., clay = 10•/s, maximum. The sand, silt and clay gradation limits shall be as defined in ASTM D422. B. Permeability Rate. Not less than 0.5 inches (13mm) per hour not more than 2 inches (51mm) per hour when tested in accordance with ASTM D2434 or other approved methods C. Agricultural Suitability. The topsoil shall be suitable to sustain the growth of plants specified. 2.03 SEEDlica if applicable, see legend) ( � g ) All seed used for lawn and/or ground cover plantings shall be labeled and shall be funwhed in sealed standard containers. Seed which has become wet, moldy or otherwise damaged in transit or storage win not be accepted. A. Laws: Seed mix shall be per plat Nate: Thoroughly blend seed varieties prior to I pplictios. 2.04 HYDROMULCH MATERIALS (if applicable, see legend) Water: General precrAiens should be observed when drawing water hom odwr than prem v main. Such water must be free of impwriti Seed: Seed as specified in 2.03 above. Mulch: Fier shall be produced from cellulose such as wood pulp or similar organic material and shall be of such character that it will disperse into a uniform slurry when mixed with water. Materials which inhibit arminor growth shall not be present in the taimum. Fertilizer: 'Gro -Power' organic fertilizer per 2.01-A, above. Or equal. Binding Agent: Dry powder organic concentrate, Ecology Controls M -Binder or equal. Available from R m Fertilizer Co. (714) 538-3575. 2.05 PLANTS All plants shall be true to name, and one of each bundle or lot shall be tagged with the mase and sine of plants in accordance with the standards of practice recommended by the American Association of Nurserymen, and be No. 1 grade, healthy, disease free and have no physical damage. Mant grain cover in we as showtnaonplans. Ground cover ts (rooted cuttings) shall have been grown in �, and remain in dww flats uaW m-plon+inn All trees and shrubs supplied by Contractor shall be of the specified standard height and diameter set by the American Standard for Nursery Stock. The height of the trees shall be measured from the root crown to the last division of the terminal leader and the diameter shall be measured sic (6) inches above the crows roots. The trees shall stand erect without support. Root bound material is not acceptable. All plays of like species shall be of uniform height, spres and fares. 2.06 BACKFILL MATERIAL A. Topsoil used in the backfill material shall be a loamy, fertile, and friable soil and shall be free of weeds and seed. Topsoil shall conform to Section 2.02, TOPSOIL, of these specifications. B. Backfill material shall be prepared by blending the folknvietg materials and shall be seed during planting as shown in the planting details: (1) 75% approved topsoil (2) 25% organic soil amendment, nitrogen stabilized (woodshavings) (3) 15 pounds 'Gro -Power Plus' organic fertilizer per cubic yard (4) 2 pounds Iron sulfate (5) 'Gro -Power' planting tablets per manufactures specifications C. All backfill material shall be bulk mixed, not individually mixed at each plant pit. 2.07 HEADERS, STAKES, AND TIES A. Tree stakes shall be 2" dia. x 10 foot long straight grained treated kK4ppokpuree. B. Tree ties shall be "Cinch Ties" manufactured by V.I.T. Co., Cerritos, California. (714) 871-2309, or equal. C. Root barriers shall be 'trent Booster bar Sinop 6mm had., lac., ar cgvn . D. Arbor guards shall be 'Trunk Cover - TP 128' manufactured by Showtown Ind., Inc., or equal. PART 3 - EXECUTION 3.01 LANDSCAPE GRADING The Contractor shall bring all planting areas to finished grades, filling as n or removing surpt dirt, removing rocks and debris over 1 inch in diameter, and floating to a smooth uniform grade.l All areas slssil slope to drain. Flow lines shall be established to existing road curbs and/or a sidewalk as shown on tln plans and as directed. Final Wade of all turf and ground cover areas shall be 1/2" inch below adjacent surfaces after establishment. 3.02 SOIL PREPARATION A. All landscape mounding, rough grading, land finished grading shall be completed prior to beginning soil preparation. B. Soil preparation shall begun with rotoiilting of all planting areas under grades of 2:1 to a minimum depth of 8" prior to distributing soil amendments. Remove all rocks from top 4" of soil with size Z or smagar. C. The following soil araeodroeols shall be added per 1,000 square feet to all plaaI areas osier grades of 2:1: 3 cu. yds. nitrogen stabilized organic amendment derived ftom redwoodhs avid p, fir, or cedar shavings 2001bs. organic soil amendment: 'Gro -Power Plus' (5-3-1) organic fertilizer (to be incorporated to a minimum 9" depth following leaching) 3.03 PLANTING A. Planting is not recommended f1rom December through February in all areas and also is not recommended from July through August. The Contractor assumes all responsibility for planting at ti" timaL B. Trees and Sbrutw: Plant holes shall be dug to sine as iced in the detail drawings. Before !rear are set in the holes, a water test should be made as follows: All plant holes shall be filled to the brim with water and allowed to drain before any planting is done. If water does not drain out of hole within 24 hours, conduct soil test. Plants shall be planted at such a depth that the crown roots bear the same refative position tofinA grade as they did to the soils where they were grown. When Maintenance Period ends and watering basin's earth berms are removed, under no circumstances level dirt so that it burins cram roots. Backfill after planting shall be compacted carefully into place without injuring the roots of the tree or braising up the ball of earth. surrounding tete roots. C. Ground Cover. Ground cover plants shall be planted in staggered rows, evenly spaced and at intervals called out on the drawings. Each plant shall be planted with its proportionate amount of the flat soil in a manner that will insure a minimum disturbance to the root systems. The cuttings shall be planted sufficiently deep to cover all roots. Root crown should bear the same relationship to soil as it did in the flat. Immediately sprinkle after each planting until entire area is soaked to the full depth of each hole. D. Mulch: Ground Cover & Shrub Areas Apply mulch in all grotmd cover & shrub areas atter plaering to 1 inch depth of numbuimi barkcWps or shavings of sufficient size not to be effected by wind. 3.04 TREE STAKING 31ie1ce trees as per planting details. No metal wire shari circle any part of any tree. 3.05 WEED ERADICATION A. Weed Eradication Procedures Prior to Hydroseeding new areas and Planting of Ground Cover areas infested with bermuda grass or other weed infestations: (1) Manually rens ear all existing vegetation completely (grab out mob) unless other win shown on the plans and legally dispose of it off-site. (2) Fertilize all planting areas with urea 35-0-0 commercial fertilizer at the rate of .5 lbs. (1/2 lb.) per 1,000 square feet. (3) Water all planting ovas -I I oughly to a nmrimtrm depth of 6" for a period of two (2) consecutive weeks to germinate all residual weed seeds. (4) Discontinue watering for two (2) consecutive days., Then apply a non-selective broad spectrum systemic herbicide per manufacturer's directions. No water shall be applied for a minimum of four (4) days following application of contact weed killer. (5) Alloy a sufficient period of time to insure that all weeds we dead and remove. (6) Begin the hydroseeding operations or planting on all areas as specified herein. All specified materials shall be delivered to the site in the supplier's original unopened containers baring proper and accurate labeling. 3.06 HYDROSEEDING A. Mixing of hydroseed: Mixing of hydroseed slurry: Mixing shaft be performed in a tank, with a buitt-in continuous agi'bfiia and recirculation system of sufficient operation capacity to produce a homogenous wry of fiber, M -Binder, seed, fertilizer, and water in the designated unit proportions. Fiber 1,800 lbs. per acre Ecology M -Binder 100 N. per acre Seed (see plant legemt) (am plant ) lbs. pre an Water 3,000 gal. per acne 'Cine -tows' organic fertilizer 1,000 N. per acro With agitation system operation at pact speed, water shall be added to the tank, scrod reeMMIali i shall be established. Materials shall be added in such a manner that they are uniformly blended into the mixture in the following sequence. When ta& is 1/3 fitted with water: Add binding agent - 1/2 acre kt Add 3 - 50 lb. bales of fiber Add seed - 1/2 acre requirement Add 'Gro -Power' - 1/2 acre requkenmat Agitate mixture at full speed wlsen the twk is half -fitted aril* waiter. Add remainder fiber requirement before tank is 3/4 full, and add remainder seed, M -Binder, and 'Gro -Power' per amounts listed above. Slurry distribution should begin immediately. Area to be hydmseeded shall be moistened to a depth of six inches just prior to application. a Ap>pl m: Hydroseed slurry shall be applied under high pressure evenly and result in a uniform coat on ell areas to be treated. Care shall be exercised to assure that plants in place are not subjected to the direct force of an application. Slurry shall be imrnediste ty removed from warms, pavement, st:vctm e - and gr+oamd cover areas that are inadvertently sprayed. All bare spots shall be reseeded by the Contractor within 15 days. The Contractor will be responsible for all reseeded areas for as long after seeding as necessary until acceptable germination and establishment is realized. 3.07 WATERING A. It shall be the Contractor's responsibility to maintain a balance watering program to ensure proper growth until final acceptance of the work. ,. bruit 1.1iatety after planting, apply water to each tree, shrub or vine. Appty water inn a moderate stream in the planting hole until the material about the roots is PU saurted f Gm for bottom of the hole to the top of the ground. C. Irrigation: (1) Contractor shall Property and completely maintain the irrigation system. A balance water program shall be maintained to ensure proper growth until final of the work. Over watering is as unacceptable as under watering.. (2) All controllers are to have each station individually adjusted on a monthly basis. System shall be set considering the application rate each area is capable of receiving. The system shall operate on short intervals, with the cycle repeating at a later time to reduce runoff. (3) Controller shall be pt+oymnmed ns to operate diming darof wart ani wind turbulence, generally 2 a.m. to 10 a.m. 3.08 MAINTENANCE All area 1ecaped by the Contractor ander this contract shall be mairitahmd by him for a period of rest less than 90 days from the date of written acceptance for start of maintenance. A. Start of maintenance criteria: (1) Maintenance period shaft not start until all ekme * of the project arc completed in accordance with the contract dctc . (2) Power to remote controllers shall be established prior to the beginning of the mantd>e period. (3) Written acceptance by the City or County Representative must be obtained prior to the beginning of the B. End of Maintenance: (1) On satisfactory completion of the 90 day (minimum) maintenance period, the City's or County's Representative will inspect the project for final acceptance. (2) Deficiencies noted dstring ina nctiaa shall estead the saaisrrenasoe peril nasi! set are corrected. (3) End of maintenance shall occur only on written acceptance by the City or County. (4) Pre -emergent herbicide should be applied at end of maintenance period after hydroseed completes dation in all areas. C. During the period provide all watering, , few, and cultivations, aid sprspieg necessary to keep the plants and turf in a healthy growing condition and to keep the planted areas neat, edged, and attractive. All trees and shrubs shall be premed as necessary to encourage new growth and eliminate rank sucker growth. All pruning to be per NAA Standards. Old wilted flowers and dead foliage shall be immediately pinched or cwt off. Shrubs shall not be sheared. D. The Color shall ieta a a Certified Arborist to hmpeet candiof rratm a trees impacted by roadway widening. Arborist shall make monthly rpt to City or County rqprding condition of trees during maintenance period. E. After planting and during the maintenance period, in the event that trees exhibit iron chlorosk symptoms, apply FE 138 Geigy of equivalent at manufactrces recomrnended rates F. Should the aQlxaranoe of any plant indicate wewknew, that pleat shall be repiwed idly with a new healthy plant. At the end of the maintenance period, all plant materials shall be in a healthy, growing condition and spaced as indicated on the plans. ti. Lawns (if appflcable) shall be mowed and clippings removed on a weekly Basis. Cut lawns at least 2 112 inches during warm seasons and reduce to 2 inches during winter or cooler season. Avoid removing more than 1/3 of the leaf area of blade at any one time. Alternate mowing patterns to avoid rutting lawns. IL Trim lawn edges (if applicable) adjacent to walks, curbs, paved areas, buildings, shrub and tree aromas every two wester, Qr awn GAM if Reed to maintain a cart and well dewed appoaraacs. I. Damage to planting areas shall be repaired immediately and throughout the maintenance period. J. Remove watering basin's earth berms. Under no circumstances, level dirt so that it buries the plant's crown root. K. Miscellaneous Maintenance Items: (1) Depressions caused by vehicles, bicycles, soil settling or foot traffic shall be filled and leveled. Replrst damaged areas. (2) Exterminate gophers and moles, and repair damage as above. (3) The Contractor shall apply'Gro-Power' organic fertilizer at a rate of 25 pounds per 1,000 square feet, for a minimum of 2 applications. The first application shall be between the 25th and 30th day of the maintenance period and the second appiication between the 75th and SM day. (4) Debris and trash shall be removed from the site weekly at a minimums. (5) Further herbicide applications and hand weeding will be required if major weed infestation occurs, is be at the descre boa of the City or County. 3.09 DISEASE AND PEST CONTROL Throughout the maintenance period, all plants shall be maintained in a disease and pest free condition. A licensed pet control operator shall be retained by the Contractor to recommend and apply all pesticides, herb` Cildes, and fimgicieiee. 3.10 CLEAN UP Upon completion of the work, the Contractor shall smooth all ground surfaces; remove excess materials, rubbish, debris, etc.; sweep adjacent streets, curbs, gutters, walkways, and trails; and remove construction from the � - - 4te 4 40 DATE: 7/17/2000 JOB NO.: 99-36 DRAWN BY: S.J.R. REVISIONS: REVISED SIDEWALK LAYOUT 1/8/01 OF: 6 Z� Cr -=0 C7 > LA_J IJ A L H �e S � 0 U U Z r4 Z i V �a v az DATE: 7/17/2000 JOB NO.: 99-36 DRAWN BY: S.J.R. REVISIONS: REVISED SIDEWALK LAYOUT 1/8/01 OF: 6 A H Z w � 0 U U Z r4 W F� V �a v az w 00 0 W o W�Od � r�Hva a DATE: 7/17/2000 JOB NO.: 99-36 DRAWN BY: S.J.R. REVISIONS: REVISED SIDEWALK LAYOUT 1/8/01 OF: 6 0 H Z L7 � 0 U Z Q W DATE: 7/17/2000 JOB NO.: 99-36 DRAWN BY: S.J.R. REVISIONS: REVISED SIDEWALK LAYOUT 1/8/01 OF: 6