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Home My WebLink About3795-15C. Equipment or materials installed or furnished without the prior approval of the City's Representative may be rejected and such material removed from the site at no expense to the City. D� Approval of any items, alternates, or substitutes indicates only that product(s) apparently meet the requirements of the drawings and specifications on the basis of the information or samples submitted. E. Manufacturer's warranties shall not relieve liability under the guarantee, Such warranties shall only supplement the guarantee. The City's Representative may, at his option, require a manufacturer's warranty on any product offered for use. 2.02 GENERAL PIPING A. Pressure supply line from point of connection through backflow prevention unit shall be per local code. Pressure supply lines downstream of backflow prevention unit shall be per thelegend. B. Non -pressure lines shall be Schedule 40 PVC pipe. 2.03 PLASTIC PIPE AND FITTINGS A. All pipe shall be extruded of an improved PVC virgin pipe compound featuring high tensile strength, high chemical resistance and high impact strength. In terms of the current ASTM Standard D- 1 769 or D-2241, th is compo u nd s hal I meet the req ui rements of cel I classification 12454B for pipe and 13454B for fittings. This compound must have a 2,000 psi hydrostatic design stress rating. B. All pipe must bear the following markings: Manufacturer's name, nominal pipe size, schedule or class, pressure rating in P.S,I., and NSF (National Sanitation Foundation). The manufacturer shall also mark the date of extrusion on the pipe. C. Solvent cement joints for plastic pipe and fittings shall be made as prescribed by the manufacturer, The high chemical resistance of the pipe and fitting compounds specified in the foregoing sections makes it mandatory that an aggressive primer, which is a true solvent for PVC, be used in conjunction with a solvent cement designed for the fit of the pipe and the fittings of each size range specified, D. Each pipe installer expected to make solvent joints shall receive instructions in the proper assembly of such joints from Atha representative of either pipe, cement, or fitting manufacturer before starting the job, unless he has been previously instructed on recommended solvent cementing procedures by a competent representative of the manufacturer, E. All fittings shall be standard weight schedule 40. At the purchaser's discretion, contract prefere nce may be gi van those suppli ers ab le to f urn ish al I types of fitti ngs requi red under this contract from a single manufacturer, in order that responsibility will not be divided in warranty claim situations. F. All fittings shall be injection molded of an improved PVC fittings compound featuring high tensile strength, high chemical resistance, and high impact strength. In terms of the cu rrent AST M Sta ndard D- 1 784-69, the corn pou nd must meet the req ui rements descri bad in cell classification 134546. Where threads are required in plastic fittings, these shall be injection molded also. All tees and ails shall be side gated. G. Apply primer and solvent on all pipe sizes and fittings. Primer solvent on both female and male ends, H. All fittings shall bear the company's name or trademark, material designation, size appli cab le 1. P. S. schad ule, and NS F seal of approval. 1� All threaded nipples shall be standard weight Schedule 80, with molded threads. 2.04 PVC CONDUIT/SLEEVING Pipe that is used for control wires sleeving shall be PVC conduit Schedule 40: Type 1220. All wires under paving shall be installed in PVC conduit, or sleeves as indicated in details and Legend. 2.05 RING-TITE PVC PIPE A. All pipe indicated on the working drawings, shall be Class 160 PSI Johns -Manville PVC pipe with ring-tite joints. B. All ring-tite joints shall be sealed with rubber rings as provided by the manufacturer. All pipe joints shall provide for expansion and contraction. C. Thrust blocks shall be provided as required for proper anchorage and durability of the ring- tite pipe. (Refer to Details) 2.06 BRASS PIPE AND FITTINGS (if required) A. Brass pipe shall be 80% red brass, American National Standard Institute (ANSI), Schedule 40 screwed pipe, Fittings shall be medium brass, screwed 125 pound class. 2.07 BACKFLOW PREVENTION UNIT: See plan for type, manufacturer, and size. 2.08 QUICK COUPLING VALVES A. The body of the valve shall be red brass with a wall thickness guaranteed to withstand normal working pressure of *150 pounds per square inch without leakage. Valve shall have a 3/4 -inch female threaded opening at base. B. Hinge cover shall be red brass with a rubber -like vinyl cover bonded to it in such a manner that it becomes a permanent -type cover, yellow in color, Hinge shall be locking type. C. Quick couplers shall be installed as indicated on Plan and Details. 2.09 AUTOMATIC CONTROL VALVES, ELECTRICAL A. Valve shall be per legend. B. Valve shall be capable of being operated in the field without electricity at the controller, by a bleeding valve. C. Valve shall be completely serviceable in the field without removing valve body from the line. D. Valve shall be installed in a shrub area whenever possible and installed according to construction detail, 2.10 GATE VALVES Approved gate valves shall be Nibco T- I 1 3 or Hammond 606--32 with bronze turning handles. Size and location shall be as indicated on Plan, 2.11 VALVE. BOXES All remote control valves, gate valves, and subsurface pressure regulators shall be installed in suitable valve boxes as shown in details, complete with locking covers, All shall be 'Christie', or an approved equal. Install tags, 0�� MM��l A. Connections between the controller and remote control valves shall be made with direct burial AWG -UF type wire, installed in accordance with valve manufacturer's specifications, Wire color: black or color coded for control, white for ground. B. Sizing of wire shall be according to manufacturer recommendations, in no case less than #14 in size for shielded only, taped at 1 Vintervals, #18 in size, taped at 10'intervals for all others. 2.15 SMALL SHRUBBERY SPRINKLER HEADS See irrigation plan legend for manufacturer and model numbers. PAB1A_-_EXECU_D0N 3 . 01 GENERAL A. Materials shall be of first quality and of domestic manufacturer unless otherwise noted. B. Coordinate the installation of all sprinkler materials, including pipe, with the landscape drawings, to avoid interfering with the trees, shrubs, or other planting, C. For purposed of legibility, sprinkler lines are essentially diagrammatic. Although size and location of sprinkler equipment are drawn to scale whenever possible, make use of all data in all of 'the contract documents and verify this information at construction site. D. All work called for on the drawings by notes shall be furnished and installed whether or not specifically mentioned in the specifications. E. Do not willfully install the sprinkler system as indicated on the drawings when it is obvious 3.2( in the field that unknown obstructions or grade differences exist, that might not have been Manufacturer's Specifications. considered in the engineering or if discrepancies in construction details, legend, or Whe specific notes are discovered. All such obstructions or discrepancies should be brought I Repr to the attention of the City's Representative. In the event this is not done, the mate Contractor must assume full responsibility for revisions necessary. Before any work plan commences, confer with the City's Representative regarding general details of work of inad this contract, acco 3.02 OBSERVATION SCHEDULE 3.21 A. Contractor will be responsible for notifying the Landscape Architect and City's All H Representative in advance for the following observations according to the time indicated: auth -Pre-job Conference - 7 days appri squa -Pressure supply line installation and testing - 36 hours Organic amendment shall be nitrolized redwood sawdust (.5% actual nitrogen), or - �'-Systern layout - 36 hours Coverage tests - 36 hours 3.2-'4 -Final Inspection - 48 hours screen and minimum 95% passing #4 mesh screen. Salinity shall be no higher 9. When observations have been conducted by other than the regular City's than 3.5 millimhos per centimeter at 25 Centigrade as measured by saturation Representative, show evidence of when and by whom these observations were made. extract conductivity. Organic amendment shall be mineralized with iron sulfate. C. No observation will commence without as -built drawings. Pine shall not be used as an organic amendment. 3.03 WATER SUPPLY: Import soil, if required, shall be free from debris, roots, and large rock and shall Connections to the existing points of connection shall be at the approximate locations shown on the be of the same structure and USDA classification as the site soil and shall be drawings. Minor changes caused by actual site conditions shall be made without additional cost to the free of all deleterious materials harmful to plant life. Expansive soil is not City. acceptable. 3.04 LAYOUT: --------------5-----�---�l-----�-- Materials - - -- ------------------,---------------------------------�--�----�----- Layout sprinkler heads and make any minor adjustments required due to differences between site and Quality and size of all plants shall conform to the California Standard Grading drawings. Any such deviations in layout shall be within the intent of the original drawings, and without Code of nursery stock and shall be No. 1 grade. Plants shall be vigorous, or additional cost to the City. Layout shall be approved by the City's Representative before installation, normal growth, free from disease, insects, insect eggs and larvae. All plants PA 3.05 GRADES: source indicated when a source is specified. Before starting work on the sprinkler system, carefully check all grades to determine that work may safely 4.01 proceed, keeping within the specified material depths. two years. Samples shall be shown to prove that no rootbound conditions 3.06 ASSEMBLIES prevail. No container plants that have cracked or broken balls of earth, when A� Install the backflow assembly at the height required by local codes. taken from container, shall be planted except on special approval from the B. Routing of pressure supply lines as indicated on drawings is diagrammatic. Install lines Owner's Representative. (and various assemblies) to conform with details on plans, Nomenclature conforms to customary nursery usage: For clarification, the term C. Install no multiple assemblies on plastic lines. Provide each assembly with its own outlet. "multi -trunk" defines a plant having a minimum of three trunks and a maximum of When called for, the pressure relief valve shall be the last assembly. five trunks of nearly equal diameter, D. Brass pipe and fittings shall be assembled using Teflon dope, or equivalent, applied to the Inspections; All plant materials must have been previously inspected at the male threads only. This is also true of plastic pipe and threaded fittings. nursery by a State or County Horticultural Department, and shall be subject to 3.07 LINE CLEARANCE: the inspection and approval of the Landscape Architect before planting. All lines shall have a minimum clearance of 4 inches from each other, and 6 inches from lines of other trades, a. Inspection of Plant Material: Inspection of plant materials required by Parallel lines shall not be installed directly over one another. City, County, State, or Federal authorities shall be the responsibility of 3.08 TRENCHING the Contractor and where necessary he shall have secured permits or A. Dig trenched and support pipe continuously on bottom of ditch. Lay pipe to an even certificates prior to delivery of plants to the site. grade, Trenching excavation shall follow layout indicated on drawings and as noted. b, Plants shall be subject to inspection and approval or rejection at place Where lines occur under paved area, these dimensions shall be considered below of growth and on the project site at any time before and during progress subgrade. of work or during the maintenance period. Poor condition, latent B. Provide minimum cover of 18 inches on all pressure supply lines. defects, injuries, and improper size, variety, and shape shall be cause C, Provide minimum cover of 18 inches for all control wires, Provide minimum cover of 12 4.0'A inches for non -pressure lines. immediately. D. Provide minimum cover of 24 inches for all lines under paving. Substitutions for the indicated plant materials will be permitted provided the 3.09 BACKFILLING substitute materials are approved in advance by the Landscape Architect and A. Initial backfill on all lines shall be of a fine granular material with no foreign matter larger the substitutions are made at no additional cost to Owner. Except for authorized that 1/2 -inch in size. Backfill material shall be approved soil. variations, all substitute plant materials shall conform to the requirements of B. Backfill material shall be tamped in 4 -inch layers, under the pipe and uniformly on both these specifications, If the accepted substitute materials are of a less value sides for the full width of the trench and the full length of the pipe. Materials shall be than those indicated or specified, the Contract price will be adjusted in sufficiently damp to permit thorough compaction under and on each side of pipe, to accordance with the provisions of the Contract. provide support free of voids, Backfill for trenching shall be compacted to dry density support materials: equal to the adjacent, undisturbed soil, and shall conform to adjacent grades without dips, Stakes for tree support shall be lodgepole pine free from knots, rot, cross grain sunken areas, humps, or other irregularities. Under no circumstances shall truck wheals or other defects that would impair strength, Stakes shall be pressure treated be used for compacting soil. with pentachlorophenol, and a minimum of 2" diameter by 1 U-0" long and pointed at C. Provide sand backfill a minimum of 6 inches over and under all piping under paved areas. one end. 2. 4.0,': 3.10 PVC PIPE by V.I.T. Products, 15561 Product Lane, D-4, Huntington Beach, CA 92649. - A. PVC pipe shall be snaked in a manner which will provide for expansion and contraction as recommended by the pipe manufacturer installed label up. B. All plastic to metal joints shall be made with plastic male adaptors, unless otherwise shown in details. C. The joints shall be allowed to set at least twenty-four (24) hours before pressure is applied to the PVC pipe system. D. Main lines shall be tested in pJace before backfilling for a period of not less than four (4) hours and shall shown no leakage or loss of pressure. During the test period, minimum test pressure, at the highest point of the section being tested, shall be 1 50 pounds per square inch, Center filling of pipe lengths is allowed. E. After all new sprinkler piping and risers are in place and connected, all necessary work has been completed and prior to the installation of sprinkler heads, control valves shall opened and a full head of water used to flush out the system for a minimum of five (5) minutes, F. At the conclusion of a system flushing, the heads shall be installed and tested for PA operation in accordance with design requirements under normal operating pressure. Contractor shall verify head pressures with pitot tube and adjust valve to correspond with design pressure. 3.11 INSTALLATION OF RING-TITE PVC PIPE A. Except as may be noted in other parts of the Specifications or on the drawings, installation of Ring -T ite pipe and connecting fittings shall be outlined in manual as furnished by pipe manufacturer, or as set forth by the Johns-Mansville Company Manual #772-62A. This shall include, but not be limited to, the installation of the pipe at the proper depth and the correct location of concrete thrust blocks of adequate sizes. Contractor shall make available the services of the manufacturer's representative at the start of the installation and during construction. B. Each line shall be tested at a pressure 50 PSI greater than the manufacturer's recommended working pressure for a period of four (4) hours, with the couplings and connections exposed and with the center of pipe section sufficiently supported and filled "to hold pipe in place. 3.12 SPRINKLERS A. All nozzles on sprinklers shall be tightened after installation. All sprinklers having an adjustment stem shall be adjusted on a lateral line for the proper radius, diameter and/or gallonage per approval of the City's Representative. B. Sprinkler heads and risers shall be installed according to details for final approval. COVERAGE TEST: n the sprinkler system is completed, perform a coverage test in the presence of the City's esentative to determine if the water coverage for planting areas is complete and adequate, Furnish all dais and perform all Work required to correct any inadequacies of coverage due to deviations from 3, or where the system has been willfully installed as indicated on the drawings when it is obviously )quate, without bringing this to the attention of the City's Representative. This test shall be mplished before planting begins. . HYDROSTATIC TEST: ydrostatic tests shall be made only in the presence of the City's Representative, or other duly orized representative of the City. No pipe shall be backfilled until it has been inspected, tested, and ved in writing. Pressure supply lines shall be tested under a hydrostatic pressure of 150 pounds per re inch for a period of four hours. COMPLETION X Upon completion of the work, make ground surface level, remove excess materials, rubbish, debris, etc., and remove construction and installation equipment from the premises. B. Supply as part of this contract the following tools. - Two wrenches for disassembling and adjusting each type of sprinkler head supplied. - Two keys for each automatic controller. - Four quick coupler keys with attached hose swivels. - Four (4) of each of all types of sprinkler heads and nozzles. - Two keys for enclosure lock. - Two cover I ifting tools for valve boxes. C. The above equipment shall be turned over to the City at the conclusion of the project. Before final acceptance can occur, evidence that the City has received materials must be shown to the City's Representative, 3 T 4 - EjEj'a7�� RA WMM5", GHA B TS & MA AIUA L RECORD DRAWINGS A. Record accurately on one set of black and white prints of the drawings, all changes in the work constituting departures from the original contract drawings, including changes in both pressure and non -pressure lines. 191� Upon completion of each increment of work, transfer all such information and dimensions to the prints. The changes and dimensions shall be recorded in a legible and workmanlike manner to the satisfaction of the Citys Representative. When the drawings are approved, transfer all information to a set of reproducible drawings at cost by the City's Representative. C. Dimensions from two permanent points of reference (buildings, monuments, sidewalks, curbs, pavement, etc.). Locations shown on as -built drawings shall be kept day today as the project is being installed. All dimensions noted on drawings shall be 3/8 -inch in size. D. Show locations and depths of the following items: -Point of connection. -Routing of sprinkler pressure lines (dimension maximum 100 feet along routing). � -Sprinkler control valves (buried only). -Routing of control valves, -Other related equipment (as may be directed by the City's Representative). E. Quick coupling valves. F. Maintain as -built drawings on site at all times. G. Make all changes to reproducible drawings in ink, If necessary, use eradicating fluid when redoing drawings. CONTROLLER CHARTS A� As -built drawings must be approved by the City's Representative before charts are prepared. B. Provide one controller chart for each controller supplied, of the maximum size the controller door will allow, showing the area covered by the automatic controller, The chart is to be a reduced drawing of the actual as -built system. However, in the event the controller sequence is not legible when the drawing is reduced, it shall be enlarged to a size that will be readable when reduced. The chart shall be a blackline print and a different color shall be used to show the area of coverage for each station, C. When completed and approved, the chart shall be hermetically sealed between two pieces of plastic, each piece being a minimum 20 mils. thick. The chart shall be mounted using Velcro or approved equal type of tape. D. These charts must be completed and approved prior to final inspection of the irrigation system. OPERATION AND MAINTENANCE MANUALS A� Prepare and deliver to the City's Representative within ten days by calendar prior to completion of construction, all required and necessary descriptive material in complete detail and sufficient quantity, properly prepared in individual bound copies of the operation and maintenance manual. The manual shall describe the material installed and shall be in sufficient detail to permit the operating personnel to understand, operate, and maintain all equipment. Spare parts lists and related manufacturer information shall be included for each equipment item installed. Each complete, bound manual shall include the following information: 1 . Index sheet stating Contractor's address and "telephone number, duration of guarantee period, list of equipment with names and addresses of local manufacturer representatives, 2. Complete operating and maintenance instructions on all major equipment, B. In addition to the above maintenance manuals, provide the maintenance personnel with instructions for major equipment and show written evidence to the City's Representative at the conclusion of the project that 'this service has been rendered, IT 5 - GUARANTEES A. The entire sprinkler system shall be unconditionally guaranteed by Contractor as to material and workmanship, including settling of backfilled areas below grade for a period of one (1) year following the date of final acceptance of the work, City may exercise option to withhold part of final payment until the one year prod uct/workma nshi p guarantee has elapsed from date of final acceptance. B. If within one year from the date of completion, settlement occurs, and adjustments in pipes, valves and sprinkler heads or paving is necessary to bring the system or paving to the proper level of the permanent grades, contractor, as part of the work under his contract, shall make all adjustments without extra cost to City, including the restoration of all damaged planting, paving or other improvements of any kind. Should any difficulties develop within the specified guarantee period which City feels may be due to inferior material and/or workmanship, these difficulties shall be immediately corrected by Contractor to the satisfaction of City at no additional cost to City, within 48 hours of written notice, including any and all other damage caused by such defects. Failure of Contractor to respond in a timely manner to repair damaged conditions, shall prompt City to repair same and deduct costs of labor, material and equipment' used from Contractor's final payment, C. The City reserves the privilege of making any emergency repair without relieving Contractor's warranty obligations. D. Written guarantee shall be supplied in the completion of the project, showing date of completion. . Spacing of heads shall not exceed the maximum indicated on the drawings. In no case PLANTING shall the spacing exceed the maximum recommendation by the manufacturer. MEMMMIANW-4 A. Remote control valves shall be adjusted in order that a uniform distribution of water is applied by the sprinkler heads to the planting areas for each individual valve system. Place one RCV per valve box and space RCV boxes @3'o.c. minimum. B. Quick coupling valves shall be set approximately 12" from walks, curbs, header boards, or paved areas where designed. Refer to installation detail. Place quick couplers in valve boxes. 3.14 VALVE BOXES A. Valve boxes shall be set one inch (1 ") above the designated finish grade in lawn areas and three inches (3") above finish grade in ground cover areas. B. Valve boxes installed near walks, curbs, header boards, and paving shall not abut those ite ms. Top su rf aces shal I be f I ush with, and perpendicu lar to, items li sted above . C. Valve boxes shall be installed in shrub planters, not in turf areas whenever possible, unless otherwise approved. 3.15 AUTOMATIC CONTROLLER LOCATION AND INSTALLATION A. The automatic controller shall be installed at the approximate location shown on the Plan, unless otherwise instructed by the City's Representative. B. All local and other applicable codes shall take precedence in connecting the 1 00 volt electrical service to the controller, City shall provide power to controller. Irrigation Contractor shall complete hook-up to controller. C. There shall be adeq uate coverage of earth (I 8" mi ni mu m) ove r the 24-vo It control wi re. Bundle and tape wires at 10'0,C, and install adjacent to mainline. 3.16 CONTROL WIRE A . All electrical equipment and wiring shall comply with local and state codes and be installed by those skilled and licensed in the trade. B. Connecting and splicing of wire at the valves or in the field shall be made using Rain Bird Pen-Tite connectors. C. Three (3') feet long Pig -Tail wire splices shall be allowed only at 1500 ft. intervals. The wire splices shall be enclosed i n an RCV Box with cover stenciled 'E8' in yellow. 3.18 FLUSHING THE SYSTEM: After all new sprinkler pipe lines and risers are in place and connected, all necessary diversion work has been completed, and prior to installation of sprinkler heads, the control valves shall be opened and a full head of water used to flush out the system for a minimum of 5 minutes. Sprinkler heads shall be installed o n ly after fl ush i ng of the system has been accomplish ad to the compl eta satisf action of 'the City's Representative, 3.1 9 ADJUSTING THE SYSTEM A� Adjust the valves and alignment and coverage of all sprinkler heads. If it is determined that adjustments in the irrigation equipment or nozzle changes will provide proper and more adequate coverage, make all necessary changes or make arrangements with the manufacturer to have adjustments made, prior to any planting. These changes or - - - - - --- adj ustments shal I be Made wiftut -additi6nal cost to - the City--- - - - - - -_ - - - - - - - - - B . The entire system shall be operating properly before any planting operations commence. END OF SECTION � M-10 1.01 Refer to standard contract documents for non-technical contractual requirements and conditions. 1.02 SCOPE A. Work included: All labor and materials, appliances, tools, equipment, facilities, transportation, and services necessary for and incidental to performing all operations in connection with furnishing, delivery, and installation of "Landscaping", complete, as shown on the drawings and/or specified herein. Work includes, but is not limited to the following* I � Provide the fine grading in all areas to be planted. 2, Furnish and apply weed control to all planting areas, 3. Preparation of soil in all planting areas per soils an -Al ysis. 4. Furnish and install all plant materials. 5. Stake trees. 6. Furnish and install sodded lawn. 7. Furnish and install redwood header board. a. Furnish and apply bark mulch. 9, Pruning of nursery stock. 10, Maintenance of all plantings until end of maintenance period and acceptance. 11, Guarantee of materials and workmanship. B. Related work specified under other contracts (copies available from the Owner). 1 . Concrete sidewalks and curbs. 2. Asphalt paving. 3. Rough grading. 4. Electrical, C, Verification of Plant Quantities: Quantities given for plant materials are shown for convenience only. The Contractor shall provide all plants shown on the plans. PAPT I 2--AMEEBIALS 2.01 MATERIALS: If requested, samples of soils additives and plants shall be submitted for inspection and stored on the site until furnishing of materials is completed. Delivery may begin upon approval of samples, or as directed by the City's Representative. A copy of delivery slips on all materials used on project shall be forwarded to the City's Representative. Substitutions in any material will not be permitted unless specifically approved 'in writing by the City's Representative. A. Soil and Soil Amendments: I � Ferti I izer f o r so i I conditi oni ng a nd mai ntenan ce shal I bear the manuf acturer's - - - guaranteed analysis, -and shall be -as recommended in the required soils laboratory report. 2. Fertilizer plant tablets shall be'AGRIFORM SLOW RELEASE' to be applied per Manufacturer's Specifications. - - - __.. � � � - , - - k - Application rates: - - - Apply 21 gram agriform tablets at the following rates per plant by size: - �__ � � - --- - __ - Sbrubsi . I gal. shrub - 1 tablet -5 gal, shrub - 3 tablets - - - a � , - - 1 5 gal, & 24" box shrubs - I tablet f or each 1 /2" of trunk Diameter or each foot of - - - - - height or spread. - T1aB_rK - � - - �- I ", - � I Apply one 21 g ram agrif orm tablet f or each 1 /2" of trunk diameter or each 'foot of - height or spread. GMMAjamec Apply one 5 gram agriform tablet per rooted ground cover cutting. Refer to I - - Manufacturer's Specification for installation procedure, 3. Organic amendment shall be nitrolized redwood sawdust (.5% actual nitrogen), or - Fir Bark 1 % nitrogen). It shall befine textured, having minimum 80% passing #8 � screen and minimum 95% passing #4 mesh screen. Salinity shall be no higher than 3.5 millimhos per centimeter at 25 Centigrade as measured by saturation extract conductivity. Organic amendment shall be mineralized with iron sulfate. Pine shall not be used as an organic amendment. 4. Import soil, if required, shall be free from debris, roots, and large rock and shall - I - - be of the same structure and USDA classification as the site soil and shall be I � - - � - free of all deleterious materials harmful to plant life. Expansive soil is not 1. - __ __ - .. - - acceptable. B. Plant Materials 1 . Quality and size of all plants shall conform to the California Standard Grading Code of nursery stock and shall be No. 1 grade. Plants shall be vigorous, or normal growth, free from disease, insects, insect eggs and larvae. All plants shall equal or exceed any measurements specified and shall be supplied from the source indicated when a source is specified. 2. Container stock shall have grown in containers for at least one year, but not over two years. Samples shall be shown to prove that no rootbound conditions prevail. No container plants that have cracked or broken balls of earth, when taken from container, shall be planted except on special approval from the Owner's Representative. 3. Nomenclature conforms to customary nursery usage: For clarification, the term "multi -trunk" defines a plant having a minimum of three trunks and a maximum of five trunks of nearly equal diameter, 4. Inspections; All plant materials must have been previously inspected at the nursery by a State or County Horticultural Department, and shall be subject to the inspection and approval of the Landscape Architect before planting. a. Inspection of Plant Material: Inspection of plant materials required by City, County, State, or Federal authorities shall be the responsibility of the Contractor and where necessary he shall have secured permits or certificates prior to delivery of plants to the site. b, Plants shall be subject to inspection and approval or rejection at place of growth and on the project site at any time before and during progress of work or during the maintenance period. Poor condition, latent defects, injuries, and improper size, variety, and shape shall be cause for rejection. Rejected plants shall be removed from the project site immediately. 5. Substitutions for the indicated plant materials will be permitted provided the substitute materials are approved in advance by the Landscape Architect and the substitutions are made at no additional cost to Owner. Except for authorized variations, all substitute plant materials shall conform to the requirements of these specifications, If the accepted substitute materials are of a less value than those indicated or specified, the Contract price will be adjusted in accordance with the provisions of the Contract. C. Tree support materials: - - I . Stakes for tree support shall be lodgepole pine free from knots, rot, cross grain - or other defects that would impair strength, Stakes shall be pressure treated __ with pentachlorophenol, and a minimum of 2" diameter by 1 U-0" long and pointed at - one end. 2. Ties for holding trees shall be "cinch -tie" or approved equal. "Cinch -tie" manuf. by V.I.T. Products, 15561 Product Lane, D-4, Huntington Beach, CA 92649. - 0 0 R - - . __ - - - ___', . " . ------ ------------- __ _________________ E� Lawn -from Sod: Marathon I I Hybrid Fescue. Submittal for type and grower required for Architect's approval. � F. Mowstrip: See details. G. Herbicides: I , Herbicides used must comply with all applicable State and Federal laws and be registered with the U.S. Environmental Protection Agency Herbicide control shall be: (a) Pre -emergency application of "Treflan 5% Granules" or equivalent, applied according to manufacturer's recommendations and incorporated into soil as specified. (b) Post - emergence application of "Round -up" or equivalent, applied as specified by manufacturer, Spray with extreme care to avoid contaet with landscape plantings. 1=0100ARR-M-1-A-20-NN"I Na 3.01 GENERAL PREPARATION A. Commence work as directed by the City's Representative and conduct operations continually to completion unless weather conditions are unfavorable. All work shall conform to high standards of practice within the trade. B. Clean up and remove from planting areas all existing plant material not removed under the general site construction contract, including roots and any accumulated debris and rubbish before commencing work, Legally dispose of such materials off the site. C. Underground Obstructions to Planting: 1 . If underground utilities, construction or solid rock ledges are encountered, other locations for planting may be selected by the City's Representative. Damage to utility lines shall be repaired at the Contractor's expense at no additional cost to the Owner or Tenant. D. Protection of Existing Vegetation* 1 . If lawns have been established prior to planting operations, the surrounding turf shall be covered in a manner that will protect turf areas before excavations begin. E. Storage: Store plants and materials on the project site, and ensure that they are protected from damage by sun, rain, wind, theft, vandalism, and construction work, Water plants regularly. 3.02 INSPECTION OF WORK IN PROGRESS A. Installations and operations in progress must be approved at various stages by the City's authorized Representative. 113� In no event shall the Contractor proceed from one state to another of the work, without prior approval of the City's authorized Representative. C. The Contractor must notify the City's authorized Representative for inspections of the following stages of work: 1 . When all grading within planting areas has been completed. 2. When all plants are ready to be delivered at the nursery or when plants have been delivered to the site and prior to any planting. 3. When all trees and shrubs have been spotted on the site where shown on the drawings. 4. When all tree and shrub pits have been excavated after water has leached out of the pits, 5. When weed germination and removal is complete, and seedbed is prepared but prior to installation of seed. K Finish grade ail planting areas to a smooth and even conditions, making certain that no water pockets or irregularities remain, Remove and dispose of all foreign materials, clods and rocks over one inch in diameter within six inches of the surface so that, after conditions and planting, the finish grade in shrub and in groundcover areas is 3" below the top of all curbs and I " below the top of all walks. 1. Omit rototilling on slopes 2 to I or greater in ration. Instead, lightly hand scarify the soil. Refer to Drawings for sloped areas, if any. J. Patch all areas having damage from erosion and so related earth moving to create a smooth and regular surface for planting. Final grade to be approved by City's Representative, 3.04 SOIL CONDITIONING (also see Fine Grading Section) A. Broadcast the recommended soil additives per 1,000 square feet and cultivate to a depth of 6" based upon required soils and plant laboratory report. It is the Contractor's responsibility to obtain soils tests. Soils analysis shall be done by Soils & Plant Laboratory, Inc. 412 S. Lyon, Santa Ana, CA (714) 558-8333. Copies of the report shall be sent to the City's Representatives. B. For bidding purposes when no soils report is available in all planting areas the following application shall be made per 1,000 square feet of area and shall be thoroughly cultivated in two directions into the top 9" of soil, and the area watered down, 2 CU. YDS, nitrolized wood shavings 20 LBS. iron sulfate C. Planting pits shall be excavated three t[M-es the diameter and 1 " shallower than the rootball ' depth for trees, twice as wide and 6" deeper than the rootball for shrubs. (Refer to planting details). i i � D. For P lldmuts�'' i 1:11 Alt) I I � 17�: ME! , camellias, xamdAema, backfill plant pits with soil I 1 . excavated from pit, Do not any additional amendments to backfill mix. E. Pre pare soi I mi x fo r back f i I I i n pits for azaLe�� and ot her p lants (as specified) as follows: 1/3 Washed Plaster sand 1/3 Canadian Peat Moss 1/3 Loamite or Forest Humus F. Backfill mix for Palms shall be concrete sand, (Refer to details) G. Th a prepared soil shal I be un if orml y blended i n an area adjacent to the plant i ng work and shall be accurately proportioned using a suitable measuring container. Unused excavated soil shall be removed from site, Protect the mix from water until it has been placed in backfill around plants. A. Weed abatement: after earthwork, installation of irrigation system, and soil preparation, but prior to planting, perform weed abatement program to all planting areas as follows: 1 . Hydroseeded or hand seeded planting areas; a. Apply sulfate of ammonia at the rate of 5 Lbs. per 1,000 Sq. Ft. to all areas be planted. b. Keep area moist by regular irrigations for a period of two (2) weeks to germinate existing weed seeds. c� At the end of two weeks, apply "Round -Up Pro" or equal systemic herbicide Do not irrigate within six (6) hours after application. Herbicide shall be applied by an individual with appropriate license, refer to MFG specifications for period of time required from time of application to time of implementing planting. After complete weed kill, remove all weed residue and top growth and dispose of in a legal manner. Alternative methods of weed kill for item C may be Total Veg. Killer or Glyfos applied per licensed herbicide agency and specifications. 2. Shrub and hand planted ground cover areas; a, Apply pre -emergent weed control chemicals to hand planted groundcover areas. Do not apply to areas to be seeded. b. Proceed with installation of shrubs and groundcover after removal of any weeds by cultivation, . C. If stubborn and residual weeds should persist, i.e. Bermuda grass, eradication procedure shoud be repeated. The type of weeds that exist should be identified and coordinated with an approved licensed pest control advisor to ensure compatibility with chemical and season of application. Do not use material or method that would adversely affect new plantings, slope stabilization, or hydroseeding. B. The Contractor shall be responsible for control of weeds in all landscape areas through the final acceptance of the work. Any selective weed control spray or physical weed removal shall be the Contractor's responsibility and the Contractor shall repair any damage resulting from weed control activity. C. All herbicides shall be applied only by a licensed herbicide application agency. No herbicides shall be applied without first obtaining written approval from the city inspector. �_ 3.06 PLANTING -SHALL BE DONE AS FOLLOWS: A. Planting of Trees - I . Position plants in plant locations indicated on drawings and secure approval before excavating pits, making necessary adjustments as indicated. 2. All pits for trees shall be dug square with bottom level, the length of sides equal to three times the width and 2" less than the depth of the tree root ball, Compacted soils at sides and bottoms shall be loosened by scarifying or other approved method. Once the tree is poistioned in the pit, the pit shall be filled with soil as per specs, thoroughly settled by water application, (Refer to planting details and spacing dietails.) 3. Prepare depressed water basin as wide as plant rootballs at each plant. Water thoroughly, backfilling any voids with additional soil, B. Planting Vines, Shrubs and Groundcovers 1 . Vine and shrubs shall be planted in its at least one and one-half times greater than the diameter of the rootball anT6" below the bottom of the ball� Compacted soil at bottom of pit shall be loosened and the pit fified with "native soil" to the bottom of the ball. When the plant has been properly set, the pit shall be filled to the required grade with amended soil and thoroughly settled by tamping and watering, All vines shall be removed from stakes, untied, and securely fastened in an approved manner to the wall, fence or other surface next to which they are planted. (Refer to planting details) 2. Prepare a depressed water basin as wide as plant root balls at each plant. Water thoroughly, backfilling any voids with additional prepared planting mix. 3. Ground Covers (a) Pits for flat sized plants to be at least 4" x 4" x 4". Ground cover areas shall be moistened prior to planting. No flatted liner, or potted plants shall be planted in dry soil. (b) Set plants in center of pits so that crown of plant will be level with finished grade after settling of soil, then backfill, and water, (Refer to spacing detail) (c) Flatted plants shall be well -rooted with runners at least 4" but not more than 6" in length. C. Trees and Vines Occurring in Lawn 1. Trees and vines occurring in lawn shall be planted before final preparation of those areas. 2. All trees shall be installed with bark protection devices at their crowns. (Refer to planting detail) & Lawn around trees shall be installed no closer to the tree trunk than the width of the rootball, and shall be maintained at this distance. 3.07 TURF GRASS SOD A. Roll subgrade when soil is reasonably dry, using a 125 pound water ballast roller. If rolling will not firm "he sod bed underneath, it shall be permitted to settle until the City's ' Representative determines a satisfactonj condition has developed, Re -rake or scarify all irregularities and cut or fill as required to establish uniform grade. Roll area again to obtain a uniform grade. Areas to be planted to lawn, shall be finished smooth, satisfactory to the City's Representative before any sod is piaced. B. Sod is to be freshly cut and placed in sections not smaller than one square foot, Stagger the joints between rolls. Sift soil (use soil waste that has fallen off sod) into all joints 'to fill any voids created. Roll sod with lightly weighted roller after completion of all sodding operations. C, The lawn edges shall be maintained in a neat condition until acceptance of the work, D. Sufficient measures shall be taken to the Contractor to ensure the lawns against damage resulti ng f rorn pedestrian traff i c. If any type of barri er i s u sed, it must meet wit h th a approval of the City's Representative. Any damage to the lawns shall be repaired by the Contractor before acceptance will be made. E. Repair- When any portion of the sod area becomes discolored, waterlogged, or otherwise damaged or unhealthy following sodding within the period of Contractor's responsibility, the affected portion shall be repaired to re-establish the condition and grade of the soil prior to installation and shall then be replanted as originally specified at no cost to the City. 3.03 FINE GRADING A. The Contractor shall import soil as required. The Contractor's bid shall indicate the total in-place cost of required import. No additional charges will be allowed, B. The soil shall not be worked when moisture content is so great that excessive compaction w en it is so dry that dust will form, or clods not readily break up. C. The Contractor shall be responsible for dust control in areas within the scope of this contract. D. Rip in two directions to the depth of 12" on all areas upon which fill will be placed, E� Rough grade requirements shall allow for soil amendments, Coordinate with General Contractor. F. Bring to the attention of the City's authorized Representative all soil in planting areas that contain any deleterious substances such as oil, plaster concrete, gasoline, paints, solvents, etc., Upon the approval of the Citys authorized Representative, remove and dispose of all above mentioned soil to the level of dryness in the affected areas, The affected soil shall be replaced with native soil. If -the- Contractor -falls- to -notify_ City's -- - - -- - - - - - - -- - - - - - or dR____ _______tati_v_eof_th____ab --- -- - - --' -auth - i2e epresen a ove-mentioned soil, the Contractor shall be responsible for any damage to installed plants caused by such substances. G. If an area to be Ian dscaped is n ot accepta b le to the Contractor, he shal I notif y the City's Representative, M Ff�_� M Pruning of nursery stock shall not be done prior to delivery. Plants and trees shall only be pruned for health or structural reasons, including the need to eliminate diseased, damaged, or structurally unsound growth. Pruning shall be performed according to ANSI A-300 or International Society of Arboriculture standards under sugrvision of a qualified arborist approved by the Landscape Architect. LEAVE OPEN WOUNDS TO All RY - DO NOT USE ANY FORM OF "TREE PAINT" OR WOUND SEALER, - 3.12 MULCHING: - - - A. All planting areas (except as noted) shall be mulched (top --dressed) with a minimum of 2" depth layer of wood fiber material. Remove mulch falling on hard -surface areas. 3.13 CLEAN-UP A� During the course of the work and at its conclusion, remove surface material from the site and leave the premises in a neat and clean condition. B. Remove all tags, labels, nursery stakes and ties from all plants. 3.14 PROTECTION Contractor shall carefully and continuously protect all areas included in the Contract, including plant materials, fences, supports, public safety, etc., untilifinal acceptance of the work by the City's Representative. 3.15 MAINTENANCE A. Maintenance operations shall begin immediately after each plant is planted and shall be continued satisfactorily for a period of 90 days after the time all items of work have been completed as specified herein and to the satisfaction of the City's Representative. B� During the maintenance period specified in paragraph A. above, all plants and planted areas shall be kept watered at all times; weeds shall be removed and disposed of; basins and depressions shall be maintained and cultivated and kept well formed around trees and shrubs; paper and debris shall be regularly removed from planters; and water system shall be maintained and repaired; rodents shall be controlled; and the entire project shall be so cared for that a neat and clean condition is presented at ail times. Keep walks and curbs swept clean. Legally dispose of excess materials including paper and debris in planted areas. I C. Maintain a sufficient number of men and adequate equipment to perform the maintenance work herein specified from the time of planting until completion of the maintenance period and acceptance by the City� D. An application of fertilizer shall be made to all landscape areas just prior to the completion of the maintenance period according to the recommendations for the required soils laboratory report. E. A written notice requesting a pre -maintenance inspection shall be received by the City's Representative at least 5 days to completion of the project. F. A written notice requesting final inspection shall be received by the City's Representative at least 5 days prior to completion of maintenance period. G. The Contractor shall make a periodic inspection of plant materials until the end of the guarantee plant period. If unfavorable conditions exist which might be harmful to the guaranteed plant, the Contractor shall notify the City in writing of the condition, or he may be held responsible under the guarantee. H. Pre -maintenance inspection and final inspections are to be held with the understanding that the project has been reviewed by the principals of the responsible Contractor in advance of the review by the City's Representative and/or City, Discrepancies noted during this advance review are to be corrected before the project receives these official inspections. 1. The Landscape Contractor shall refer to the Landscape Maintenance Manual for further maintenance requirements (if applicable). fAB1_1_-_GVABAN= 4.01 GUARANTEE All shrubs and groundcover shall be guaranteed by Contractor as to growth and health for period of ninety (90) days after completion of the specified maintenance period, and/or final acceptance by the City's representative. All trees up to 24" box size shall be guaranteed by Contractor to live and grow in an acceptable upright position for a period of six (6) months after completion of the specified maintenance period, and/or final acceptance by the City's representative, Trees in 24" boxes or larger, and all field grown specimens shall be guaranteed by Contractor to live and grow in an acceptable upright manner f or a period of one (1) year after completion of the specified maintenance period, and/or final acceptance by the City's representative. 4.02 REPLACEMENT STOCK All replacement stock shall be subject to the same warranty requirements as the original stock. Any damage due to replacement operations shall be repaired by the Landscape Contractor. At the end of the warranty period, inspections shall be made jointly by the Tenant's Construction Representative, Developer, Tenant and Landscape Contractor. 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