Loading...
HomeMy WebLinkAboutR-391416Copper (Cu) 0.06% Iron (Fe) 1% Manganese (Mn) 0.15% Zinc (Zn) 0,14% Derived from Urea, Sulfur -Coated Urea, Methylene Ureas, Ammonium Phosphate, Sulfate of Potash, Muriate of Potash, Iron Sulfate, Calcium and Sodium Borate, Copper Oxide and Suffate, Iron Oxide Sulfate and Fri#, Manganese Oxide and Sulfate, Zinc Oxide and Sulfate. Slowly Ave iIable Water Soluble Nitrogen from Methylene Ureas. Pre -planting Fertilizer "A" is a minimum requirement, additional fertilizer may be required per the planting soli test as described above. Fertilizer shall be standard free flowing. Fertilizer shall be packaged in new. waterproof, non -overlaid bags clearly labeled as to welght, manufacturer and content. Commercial Fertilizer for maintenance of sod and seed lawn areas during planting shalt be the following proportions of N -P -K: 3NAPAK Application rate of nitrogen: 1 Ib N21100 s,f. A. Commercial Fertilizer "B•' shall be applied during plant installation. This transplanter fertilizer shall be applied per manufacturers recommendations. 2.05 SOIL ADDITIVES A. Soil additiv8s for correction of ph and trace element deficiencies shall be factory labeled containers and approved prior to application. Soil additives to correct deficlencies are seen as incidental to the successful completion of the task. Therefore, the cost shall be borne by the contractor, 2.05 LIME A. Lime shall be dolomitic limestone containing riot less than eighty-five (85) percent of total carbonates. Limestone shall be ground to such fineness that one hundred (100) percent will pass a No. 20 sieve. A Limestone additive, if needed, is seen as incidental to the successful completion of the task_ Therefore, the cost shall be borne by the Contractor. 2.07 TEMPORARY IRRIGATION PART 1 -GENERAL 1.01 SUMMARY A, STATEMENT OF WORK 1. It is the intention of these specifications to define performance and materials requirements for the design and installation of an efficient and automatic temporary irrigation system. IF THE CLIENT CHOOSES, THIS SYSTEM MAY BE DESIGNED TO BE "PERMANENT" ANC} BE INCORPORATED W frH THE EXISTING ONSITE SYSTEM. 2. The work covers a complete, automatically controlled, irrigation system --including: all required design criteria, trenching, backfilling and compacting; sleeving, installaflon of pipe, valves, sprinkler heads, fritings, and all other appurtenances; connections to water services, testing; installation of controller(s), electrical Connections and wiring and systern fine tuning. Coordinate all work with other trades. 3. The area to be covered by this temporary system is described as follows- The southeasterly, south and southwesterly areas where new landscape has been installed. A. The contractor shall be responsible to identify the current water supply for the site and arrange for a proper location of all controls. It is possible that an indoor location for the control mechanism may be available in the westerly end of the new building expansion. See architect's plan. 5. Contraotor shall provide a 4" diameter sleeve that is adequate in length of Schedule 80 PVC in order to run the supply lines for the irrigation under new curbs, sidewalks and pavement in order that the entire newly landscaped area is properly served. T It is anticipated that the temporary system will be in use for at least two summers or two growing seasons past the initial installation of plants. The contractor will be responsible to ensure that this systern is maintained in satisfactory condition and -operation for that time period including winterization and other periodic maintenance. 1.02 REQUIREMENTS A. Qualitications: The Design/Build Contractor must be a Washington State licensed landscape contractor with a minimum of five years experience in the design and installation of irrigation systems. B. Work and materials shall be in accordance with the latest rules, regulations and other applicable city, state or local -plumbing, electrical and health codes. Nothing in the Contract Documents is to be construed to permit work not conforming to these codes. C. Obtain and pay for all permits, approvals and inspections required by the local jurisdictional authorities for the full operation of ire systern. 1-03 StJBMITTALS A- Irrigation Design and Plan Review. The irrigation system shall be designed in accordance with common design principles and take into account the various soil conditions, exposures, slopes, plant densities, water requirernents and restrictions of the site. The Contractor shall provide two sets of irrigation pians on reproducible material or a CAD format, Base sheets and grading plans will be provided by the Civil Engineer. The minimum performance criteria for systern coverage, is ffam head to head- Contfactor should exercise professional judgment in selection, location, height and angle of sprinkler heads to minimize overspray and run-off. Zone different exposures, PTN. NW 714 OF THE NW 114 OF SEC. 24, T P. 23N, RGE 04E, W M. different plant requirements and different precipitation rates separately. Drawings shall be clear and concise with the following information indicated at a minimum: S. Layout I location of all proposed equipment --which may include, sprinklers, main and lateral lines; sleeving; isolation, automatic, and drain valves; quick coupiers; backflow prevention, perforated PVC pipe, pressure regulation devices; controllers; and meters. C, Size of ala pipe, sleeves, valves (include GPM per zone), backflow prevention devices, meter (include inlet and outlet of supply line), controller etc. D. Graphic and written legend clearly indicating symbols used for individual product types, materials and nozzles, etc. E. Graphic installation details for sprinkler types, valves, backflow preventer, quick couplers, strain valves etc. F. Elevation of point of connection and static water pressure at that elevation, G, Mainline fbws should not exceed 5' per second. Lateral tines should be sized so that there is no trrore than a 159 pressure loss from the first head on the zone to the last head. H. Contractor shall submit hydraulic calculations for end head performance for largest zone and the zone farthest from the point of connection. I. Contractor shall submit Irrigation design drawings and hydraulic calculations a minimum of two (2) weeks prior to start of irrigation system installation for review by Civil Engineer. e=ngineer wilt review drawings for not more than one (1) week period and submit comments to the Contractor, Approval of plans and materials by the Engineer does not change the Contractor's responsibility for the design and installation of a properly working system. Construction work will not proceed until the design review process is complete. J, Product Data. Submit product data with design documents (a minimum of two (2) weeks before beginning work). Include data for all products to be installed in this system. Include material showing manufacturer's name, catalog cuts, technical data, and manufacturers installation, operation and maintenance instructions for each product_ K. Point of Connection Water Pressure Test: Test water pressure at the irrigation system point of connection prior to beginning work, Verify pressure is in the range anticipated during the design of the irrigation system. Submit results of test to Engineer. 1,04 AS -BUILT DRAWINGS A. The Coritractor shall maintain a current record of all pipe and equipment placement and shall record any variations from the original design. Upon completion of the system and prior to release of final payment, the Contractor shall provide the Owner with a neat and legible "As -Build' plan of the completed system. Any pipe not installed in accordance with the plans as originally contracted, shall be sufficiently dimensioned to a permanent structure for location after burial. Pipe sizing shall also be included on As - built drawings- As -built records shall be updated DAILY. FInal, "As -Built" drawings shall be submitted on reproducible vellum or CAD format and clearly labeled as such. Provide reduced scale copy of irrigation plan, encased in plastic, for attachment to inside of controller door. 1.05 SUBSTITUTIONS A. Substitutions to the recommended equipment specified will be permitted with the express written approval of the Engineer and Landscape Architect. Substitutions will be approved only when the substituted item is equivalent of- better rbetter in quality and performance than the item originally specified or as identified in these specifications. The final determination for "equivalents" nests with the Engineer and/or Landscape Architect. 1.06 SYSTEM PROTECTION A. As part of the warranty under this contract, the Contractor is responsible for deactivating and draining the system prior to the onset of the freezing season and for reactivating the system at the onset of the Spdng irrigation season. Each event must be accomplished at least once during the one year warranty. If the system is completed when it will not be in use, the Contractor shall winterize the system after completion of testing (and approval by the Engineer) and reactivate the system in the Spring. The Contractor shall, upon complation of the winterizing phase, SUBMIT A LETTER to the Owner certifying that than systems was winterized and drained and indicate the date such action was accomplished. The Contractor shall be responsble for any damage resuffing from failure to comply. 1.07 SYSTEM FAMILIARIZATION A. Before final acceptance of the system, the Confractor shall provide the neoessary keys andlor other tools necessary to operate, drain and activate the system and shall spend sufficient time with the Owner to insure that the system operation, maintenance. and winterization can continue after the departure of the Contractor. Provide Iwo (2) complete sets of toots and keys to Owner (i.e. water keys, quick coupler keys wlhcse swivel attanhments, Valve cover keys and controller keys). 7.08 MAINTENANCE MANUALS A. The Contractor is to provide two (2) operation and maintenance manuals. The manuals shall be indexed and tabbed, bound In hardback three-ring binders. Include the following items f information: 1. List of authorized distributors and service representatives (in the area) for each item of irrigation equipment. include narnes, addresses and phone numbers. 2. Guarantee f warranty certificates for all equipment used and Contractor's wrikten warranty for entire system one (2) year guarantee. 3. Manufacturer's maintenance sheets, replacement parts list, and equipment brochures for all equipment used. All composite data sheets shall have the specified products (used in the field) clearly highlighted. 4. Winterization and spring start up procedures, 5, A pocket for one (1) copy of the approved record drawings. This print shall be added at the time of final Inspection_ 1.09 IRRIGATION SYSTEM COMPLETION AND GUARANTEE A. All work shall be guaranteed in writing for two (2) years from date of substantial complotion against all defects in materials, equipment, and workmanship. During guarantee period, check, clean, and adjust sprinkler heads and otherwise insure adequate operation of system at maximum two (2) month intervals during the operational years. Guarantee shall also cover repair or damage to any part of the premises resulting from leaks or other defects in material, equipment, and warkmanshlp to the satisfaction of the General Contractor. Repairs, if required, shall be done promptly upon notification by the Owner and, at no cost to the Owner. PART 2 - MATERIALS A- All materials used through the system shall be new, unused, and in perfect condition. Refer to these specifications for approved manufacturers of specific products. Equipment or materials installed or furnished without prior approval of the Engineer may be rejected and the Contractor may be required to remove such materials from the site at his own expense, PART 3 - EXECUTION EE'��Ti�� #_'t►►1ltf�'�iCd�l A_ Prior to starting wofk, the contractor shall carefully inspect the preparatory worts of other trades and verify that such work is acceptable for the installation of this work. Report all unacceplable conditions to the General Contractor, Do not begin work until unacceptable conditions have been resolved. Beginning work const€tutes Contractor acceptance of Conditions, B. Layout all work in accordance with approved plans and details as shown on the drawings and as directed in Section 1.01 A above. Locate irrigation apparatuses, equipment, etc. in ptanting areas where possible, C. if minor changes in location are required, or as directed by the General Contractor, worts shall be accomplished by the Coritractoor at no additional cost to the Owner provided such changes are ordered before items of work directly connected to the same area are installed, and provided no ;additional materials are required. 3.02 GONSTRUCTIOiV X Ail work needed for installation shall be of the highest standards for the profession. 3.03 SYSTEM TESTING A. The contractor shall perforin all normal elements such as system flushing, pressure testing, performance testing, system operations test, winterization, etc- as is needed and customary to assure Owner and owner's Engineer or Representative that the installed system has been correctly built to the approved design. 3.04 FINAL APPROVAL and PAYMENT A. upon completion of all tests, final approval and acceptance for the system will be contingent upon Contractor providing signed and approved sprinkler 1 plumbing f health f electrical permits as may be applicable, as well as reproducible "as -built" drawings and two (2) three-ring binders of all catalog Cuts ! manufacture(s instruction / maintenance alai operation information as well as two (2) complete sets of all tools and keys required - B_ Payment for the Temporary Irrigation System shall be a Lump Stem {LS), 2.08 PLANTS (Trees, Shrubs and Ground Covers) A. Quantities and SpecleslVarleties 1. Compliance with Types and Quantities: The Contractor shall plant the I specified plant species, varieties and quantities as shown on the Plans, the plant list and as described herein. 2. Plants shall be from stock well acclimated to prevailing conditions at O the project and which have been consistently cultivated in these conditions. Cold storage plants shall be rejected. Grafted trees shall be grafted at or above ground level or as required in ANSI Z 60.1. Grafts Showing acute angles exceeding more than 15 degrees fanned between scion and root stock shail be rejected. 3, Quality: Plants shall be rirst Quality, fresh, well foliaged, in prime Z condition when in leaf, exhibiting normal habit of growth, having all E � buds intact, viable- Plants shall be free from disease, injury. insects, insect eggs, root and other types of weevils, larva, all seeds, weed til roots, and defects such a knots, sun scald, inju6asr abrasions, disfigurement and irregular growth arising from frost damage. 4. Encircling foots: The Contractor shall not deliver any tree with encircling roots to the job site. Shrubs with roots encircling the root �rXp U ilii mass more than once shall be rejected. Otherwise the contractor stall try carefully pry the encircling roots away front the main root mass and 0 extend the same into the planting mix. 5, Container grown plants are requfred to have sufficient growth to hold ui the earth intact when removed from containers but shall not be root bound. 6. Trees and Shrubs: Deliver freshly dug trees and shrubs. Do not prune or top the plant before delivery, except as approved by Owner. Protect bark, branches, and root systems From sun scald, drying, q L sweating, whipping, and other handling and tying damage. Do not bond or bind -tie trees or shrubs in such a manner as to destroy natural shape. Provide protective covering during delivery. Do not drop trees and shrubs dr firing delivery. 7. Root Growns; Root crowns shall be above ground IeveL Plants delivered to the site with root crowns buried in root ball or nursery, ground level shall be inspected by the owner to determine if removing the soil above the root crown is sufficient a measure to gain acceptance of the plant. If removing soil from the top of the root ball to expose the top cf the root crown is insufficient measure to gain acceptance, then the Contractor shall remove the plant from the site and replace it with another acceptable plant, S. Handle ball and burlap stock by the root ballr never by the main stem. Trees found to be handled by the main stem shall be rejected by the Owner. 9. Dry and{or broken root balls shall be rejected- Ball and burlap stock shall be dug with firm, natural balls of earth of suffreient diameter to encorn pass fibrous and feeding root systems necessary for the full recovery of the plant, in accordance with American Standard for Nursery Stock. Root ends shall have been cleanly cut flush with the sides of the root ball. 10. Deliver trees, shrubs, ground covers, and plants after preparations for planting have been completed and install immediately, 11, tf planting is delayed more than 6 hours after delivery, set planting materials in a nursery area as approved by the Owner. 12. Protect from weather and mechanical darnaago- 13. Set balled stock on ground and heal -in nursery area. Healing-ln includes covering root ball with topsoil mix, coarse ground wood mulch or compost. Contractor shall maintain a moist condition in the healing4n mix, for the time period that plants are healed in. 14. Do not retrive container -grown stock from Containers before tame of planting. 15. Water as often as necessary with a fine -mist spray to maintain root systems in a moist condition. 16. Abbreviations: BR Bare Root B&B Bali and Burlap Cant. Container Cal_ Caliper Ea. Each Gal_ Galk}n HL Height L.S. Lump Sum M-SY. Thmsand Square Feet S.F, Square Feet 17. A list of specified plants, quantities, condltion, and sizes can be found on the plans, 18. Substitutions: Substitutions are strongly discouraged. No substitutions shall be made without written approval by the Owner_ Requests for substitutions must be accompanied by written proof, on supplier letterhead, from no fess than five sources, I -E_ major sources that supply the specified plant material, that any plant is not available. 2.09 FINE MULCH A_ Mulch 1. The Contractor shall apply fine mulch or peat moss from shredded wood cellulose fiber to a minimum depth of 1 inch over all seeded areas. The purpose of this mulch is to provide an organic layer that when dampened, helps the seed to germinate. 2. The unit price bid per cubic yard of fine wood cellulose mulch or peat moss shall be full compensation for all labor, testing and materials. 2.10 SEED LAWN A. This section consists of preparing bare slopes and surfaces for seeding and muiching in accordance with Section 8-01 of the Standard Specifications. The application of seed and mulch shall be as follows: 1. Seed Mix: Seed Type %byweiaht Perennial Ryegrass 50 (1/3 Palmer or Manhattan, 113 Saturn or Competitor, 1/3 Charger or Dandy) Red Fescue 20 CheiOngs Fescue 20 Colonial Sentgrass 16 (Highland or Astoria) For smaller areas: Application Rate 8 lbs/1W0 sq. ft, For larger areas: 125 lbs. f acre or 150 lbs f acre if greater than 20% slope, 2. Ali seed shall lye 98% pure with a m0imurn of 90% germination. Total weed seed shall not exceed 0.5%. Maximum percent inert and other crop shall be I.50% of total seed mix 3. Seed Law. All seeds shalt conform to the requirements cf the Washington Stats Seed Laws, and where applicable, the Federal Seed Act. 4, noxious Weed Seed. All seed shall be free of seeds of weeds listed as primary noxious by the Washington State Seed Law. Seeds shall not contain seeds of weeds listed as secondary noxious by the Washington State Seed Low, singly or coffectively in excess of the labeling tolerance specified by the Washington State Seed Law. 5_ Rejection_ When seeds furnished under this speeftation fail to meet the: requirements within tolerance, as provided by the Washington State Seed Law, the lot shall be rejected or subjected to fiscal adjustment. 6. Re -cleaning. Sends shall be thoroughly r"leaned and of uniformly good quality and appearance throughout each lot. 7. Preparation for Delivery. Seeds shall be packed in clean, sound containers of uniform vaet ht. Seed shall be labeled as required by Law. 8. Reference Specifications. Chapter 15.49, Washington State Seed Law. C, General: 1. All seeds shall conform to the requirements of the Washington State Seed Law and when applicable, the Federal Seed Act, 2. All seeds shall be free of weed seed listed as primary noxious by the Washington State Seed Law_ Seeds stall not contain creed seeds listed as secondary noxious by Washington State Seed Law single or collective in excess of the labeling tolerance specified by the Washington State Seed Law. 3. Seeds shall be packed in clean, sound containers of un€form weight. Seeds shall be labeled as required by law. 4, Reference Specification; Chapter 15,49, Washington State Seed Act S. The unit price bid per square yard for seeding shall be full compensation for all labor, testing and materials - 2 -12 WOOD CHIP MULCH A. Description This item includes all materials, equipment, and labor that is necessary for the complete installation of wood chip Maich in planting areas shown on the plans; these areas shall be primarily planting beds for shrubs, ground cover and trees. B. Materials 1. Wood chip mulch shall be coarse ground waste by-product wood chips (approximately 112'-6" along the longest dimension) derived from the mechanical grinding or shredding of whole trees or portions of trees. Tree species shall be mixed hardwood and softwood species such as hemlock and alder_ Mulch may contain ground or shredded wood, wood fiber, roots, root wads, branches, €eaves, etc_ and shall be applied to a depth of 4". 2. Wood mulch shall be free from weeds, weed seed, deleterious materials, and foreign materials, resin, or other compounds detrimental to plant life_ Muich contairling any amount of cedar wood over 70% by volume is unacceptable. Submit sample for approval by Project Owner. 2.13 ROOT BARRIER A. Root Barrier shall be "Deep Root' polypropylene twenty-four (24) inch panels, twenty- four (24) Inch depth or approved equivalent. lnstall along edges of pavement, sidewalk or curbs if adjacent to planting areas, PART 3 EXECUTION 3.01 GENERAL A, All areas shall be finish graded and approved by the Owner before planting of seed and all other plants. Finished grades and elevations in all areas shall allow for planting soli and mulch added to Individual planting areas as specified herein. All grades shall flow smoothly into one another and produce positive drainage. The Contractor is responsible for any adverse drainage conditions that may affect plant growth unless the Contractor contacts the Owner immediately, indicating any passible problem. Verify all grades with Owner before commencement of planting. 3.02 SUBGRADE A. All rough grading of the subgrade has been completed - B. Rototill or scarify compacted all subgrade soils to a minimum depth of 12 inches prior to placement of planting sail- If additional rototilling or scarifying, below six (6) inches, is required to eliminate surface water ponding, the Contractor shall notify Owner of problem areas- Additional work shall be paid at unit prioe basis and agreed upon by a Change Order prior to commencement of work. C. Remove debris and racks over one (1) inch in size, establish proper grades and lightly compact. D. Placing of planting soil shall constitute acceptance of subgrade conditions by Contractor. 3.03 SOIL PREPARATION A. All areas to be planted shall be cleared of all debris, such as: rocks greater than 1" irk the largest dimension, concrete lumps, spalls, wood debris, garbage, and other deleterious materials. before rototilling. Provide and install a two (2) inch depth, after compaction, of recycled plant waste compost, per Section 2.02 (B) (1), over all planting areas, and rototill to a depth of six (6) inches into the subgrade. Provide and install a four (4) inch depth, after compaction, of compacted }dancing soil over all planting areas and rototill to a depth of six (6) inches into the subgrade. Drag to even grade, remove debris and rocks larger than one (1) inch in diameter, and then compact to specified density prior to planting. Add soil as needed in 6 inch lifts to reach desired elevations. Each lift to be compacted separatey. Compaction shall be between 80% (minimum) and 85% (maximum). The written results of compaction tests to be delivered to the general contractor. �..... �.. _ . . . ............ ............ ....... B. Fkdsh Grading A44i-2o1& REVISIONF-7 CURB NT PLANNING � j7ing 0610812017 i to 1z N << QL I D O Q: Z Z E � til k� r e❑r tai �rXp U ilii try ru 0 � o ui a btu Cs q L W O W y co ❑ Lu C) 0) Q N' I � jj}}ti ''J",.� Ci Qc PC ill Q) Z to Q} Ln STATE OF WASHINGTON REGISTERED NDSCAPE ARCHITECT JOHN E. ft BENKONIG CERTIFICATE NO. 57 STAMP NOT VALID UNLESS SfGNPD AND DA TED JOB JVUAIfBFR ❑ 1 SHEETNUMBER 6 OF R-3914 016 Q)