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11 Irrigation Specifications and Notes L2.6IRRIGATION SPECIFICATIONS & NOTES 4$ ? <_¢ a� w GENERAL EXECUTION 14. PRODUCTS TO BE PROVIDED TO OWNER E 1. WORKMANSHIP 1. CONSTRUCTION CONDITIONS A. The following list of materials shall be provided to the Owner at the time of project completion: (2) QCV L A. Installer qualifications: System to be installed by an irrigation technician with 5 years of experience as A. Location of sprinklers, valves and other items shall be as shown on the plans and will be of the size and Keys - Manufacturer to match installed Quick Couple Valve. (2) Hose swivels - Manufacturer to match (� an irrigation installer. All workmanship shall be of the highest standards of the industry. type as specified. No changes in the plans or the equipment will be made without prior approval of the installed Hose Swivels. (2) 20" sprinkler keys. Spare irrigation body, riser and nozzle for each type ow P improper, p j Project Landscape Architect. specified. B. Workmanship that is im ro er, careless, and or that does not meets specification, will be rejected. The p replacement or replacement cost shall be at the expense of the Contractor. B. Electrical connections shall be made by the Contractor as indicated on the plans and specifications. 15. PERFORMANCE TEST installations shall conform to local codes and utilities. Coordinate with Project Landscape Architect or A. A performance test is part of the final review. 2. SCOPE OF WORK Owner's Representative and Electrical Contractor for arranging power to the controller and final B. Upon completion of the system installation and after the flushing and pressure tests have been A. Furnish all labor and materials to install the irrigation system complete as shown on the plans and controller location. completed and the system has been adjusted, the Contractor shall operate the system in the presence details, and as specified herein. 2. LAYOUT of the Project Landscape Architect or Owner's Representative. B. This work includes all phases of completing and making the irrigation system fully operational, as -built A. The Contractor shall stake the system from the design show on the plans. Some alternations may be C. Coverage Check: Each automatic valve shall be operated to determine complete sprinkler coverage. Q} plans and an orientation meeting with the Project Landscape Architect or Owner's Representative. y D. The Project Landscape Architect or or Owner's Representativemay direct that up to 5% of the total P 9 1 P p required to accommodate site conditions to ensure goad application rates. It is known that corrective R# measures in the system, if any, shall not be made without the written approval from the Project nozzles be substituted, at no additional cost to the owner.I- 3. SUBMITTALS Landscape Architect or Owner's Representative. O LJ � � RECORD DRAWINGS &GUARANTEE A. Submit each item in this specified to the Landscape Architect. B. The Contractor layout and staking shall be approved by the Project Landscape Architect or Owner's O B. The Contractor shall provide the Project Landscape Architect a complete listing of all irrigation materials Representative prior to trench excavation or equipment installation. E W 0) O required by this Section to be used on the project. 3. EXCAVATIONS 1. ADJUSTING SYSTEM a)>Q C, The listings shall include the name of the manufacturer, trade names, catalog cut sheets, specifications, A. It is the Contractor's res onsibi(it gto locate all under round utilities before an excavation be ins. An . B e final inspection, the Contractor shall adjust and balance all sprinkler to provide adequate and 3; a) 3: model numbers, brochures and other data giving information about each item specified. damage caused by the Contractor will be repaired at his/her expense. y g y uniform coverage. Spray patterns shall be balanced by adjusting individual sprinkler heads with the E C Q adjustment screws or replacing heads to produce a uniform pattern. B. Trenches shall be wide enough to allow ample room for pipe and wire installation. When more than one a. +• R5 4. DAMAGE TO PROPERTY pipe occupy the same trench, each pipe must be parallel fo each other, not crossing, at a minimum of B. Sprinkler spray patterns shall not be permitted on pavement, walks or structures. p L A. The Contractor shall be responsible for all damage to an art of the remises caused b breaks or „ 2. AS -BUILT PLANS AND SYSTEM ORIENTATION N (� LL >� p 9 Y P p Y 3 apart. LL leaks in the system for a.period of one (1) year after final acceptance of the contract. C. All piping under paved areas shall be installed in PVC sleeves as indicated in the drawings. All A. Contractor shall maintain a set of drawings on the site specifically for recoding changes as they occur > N 0) co B. The Contractor shall be responsible for the clean a and removal of an building materials; equipment g p during the job. 0) � P p Y 9 P sleevin shall be bedded with sand and a minimum de th of 6 under and 6 over pipe sleeves. © tII .a and trash resulting from his/her work, The Contractor, upon completion, shall leave the property in a Contractor shall rovide r 4" e t B. The Contractor shall conduct a training and orientation session covering the operation, adjustment, - d p more e than one sleeve eve o accomodate pipes if necessary. - N clean and orderly condition. D. Mainline shall be installed at a minimum depth of 18", maximum depth of 24". winterization and maintenance of the irrigation system. The Contractor shall provide the owner with a � > M CL E. Where multiple irrigation pipes. share a common trench, trench shall be sufficient! wide or piping shall parts list and service manuals for alLequipment. Contractor shah be responsible for one fall MATERIALS be arranged to allow 2" minimum horizontal separation and 6" minimum vertical separation between winterization and one spring activation of the system and shall conduct these operations as park of the while maintaining specified minimum and maximum cover over piping. Owner's training and orientation procedure. piping, g P P P g. C. Contractor shall provide a zone control ma encased in plastic and mounted next to the Controller. The 1. CONDITION OF MATERIALS 4. BACKFILLING p P map will show main and zone A. All materials to be installed on this project shall be new and free of defects. A. All materials to be used as backfill over pipes and around valve boxes, and vault must be fully valves and the area they cover. 2 WATER METER compacted to eliminate future settling. All backfill in structural non landscape) areas shall be 3. MAINTENANCE AND GUARANTEE A. Anew 1-inch water meter will supply the irrigation system. P) A. The Contractor shall provide a written guarantee to the Owner covering all materials, installation, pP Y g Y compacted as specified: g 3. BACKFLOW PREVENTION DEVICElarger„ . workmanship, and against defects for a period of one (1) calendar year upon final acceptance by the B. All material used as backfiil must be clean of all debris and rocks than 1 in diameter. Such .. , :ProjectLandscape r A. install new device as shown on drawingsand details: Per City of Federal Way requirements. P ojec Architect. Contractor shall be responsible for maintaining system and protecting it aY Y q debris rocks shall be gathered and removed from the site.g Y � 4. QUICK COUPLING VALVES 5. PVC PIPE LINES from all damage, at no cost to the owner, for the duration of the maintenance period, including damage A. install per Ions and details. caused by vandalism or adverse weather conditions. p p A. Install pipe as shown on drawings and details. 5. PVC PIPE, FITTINGS, NIPPLES B. PVC pipe shall be installed on flat bottom trenches in a manner as recommended by the manufacturer A. Install per plane to allow pipe to expand and contract. Pi ha! marked with manufacturer's name class of pipe, NSF seal and date of manufacturer run. - C? E B. Pipe shall be m rk d a p p , C. All pipe shall bescut with a"hand saw/hack saw or a'manner to provide square ends. All shavings and i h O Pipe shall bear no evidence of interior or exterior extrusion marks. ,Pipe walls shall be uniform, smooth, burrs must be removed before weldor es or fittings.' .: welding g M U 2 . r it individual solvent -weld couplings for I terals. Glass 00 and glossy. Pipe may be re belled o with da � r r installing 9 Y P Y PD. 'Flush main free of all debris and shavings prior toACv ...lush all,lat laterals prior t installing Q? +.� g p s F e sp o �( pipe shall have SDR rating of 21. sprinkler heads. ZL ( 0 ..I catron 00 ' t an set ASTM D2466 standard specifications. s G G. PUG fittings shall be schedule 40 rated d m sand sp E. Contractor shall exercise care when loador .haulm and handlin i � C3? • g, 9 9 pipe. Damaged pipe will not be v .,� � p D. PVC nipples shall be schedule 80 rated and meet ASTM D1785 requirements and standards. All accepted or used on this project. N u7 rnPPies will have tapered threads. F. Install lsieev sunderpa paved surfaces {all hard surfaces) to allow -for irrigation igation-pipin and electrical Za) J 6. JOINING MATERIALS wiring. Sleeve ends shall be sealed. W : im A. All joining materials used will be manufactured b !PS ore equal, and will be used in accordance to the Z t3) C' 1 9 Y q G. Allow minimum 15 minutes setup time for solvent weld joints before moving or handling. Pipe shall be .J � : .. a, p manufacturer's written specifications and safety recommendations. C P Y partially center loaded fo prevent arching pr; slipping: No water shall be permitted in the pi e for at least i'` CV 1 using Teflon tape. P = ttf B. All threaded connections {PVC) shall be sealed s g p 10 hours to allow solvent weld set and cure Backfillinshall be done when i e is not in an g pipe expanded C (N Y COM C. All galvanized threads shall be sealed with an approved Teflon base pipe compound. 0 g pP P p p condition due to heat or pressure. Cooling of the pipe can accomplished b operating the system for - �'+ r' �- u7- Y P 9 Y - and Weld- n -711 h �) t- D. PVC solvent compounds'shali be"IPS Weld -On 70 purple primerO P heavy -bodied �' N a short period of time before backfilhng or by backfilling the early park of morning before the heat of gray cement or approved equal. . 9 Y pP q the day. Before pressure 24 hours cure time for solvent weld joints. 7. GALVANIZED PIPE AND FITTINGS 6. SOLVENT WELD JOINTS - , INS: ni steel pipe shall be schedule 40 hotdi dipped galvanized, conforming to ASTM A120 76 � � �, A. Galvanized s e _p p pp g 9 A. All solvent weld joints must be first primed and then welded per manufacturer's recommendations. � .� � -� _ specifications. p :` B. The :pipe and fittings shall be clean of all foreign matter and water before solvent can be applied. iron hot dipped galvanized. ` , B. Galvanized fittings shall be of malleable pp g C. Contractor hall not be allowed to weld mainline pipe with a one step glue such as IPS 721 or 725 or C, Galvanized pipe, nipples and fittings shall be of domestic origin. equivalent. 8: CONTROL WIREN�� OF 7. POINT OF CONNECTION11 _ ,AN A. Control wire shall be 14 ga. solid copper wire, to be OF rated and UL listed. Use Red wire for leads, A. Per Drawings and Details. � 1 White wire for common, Black wire for spare, and Yellow wire for Master Valve. 8. CONTROL WIRE B. Wire connectors shall be 3M DBY, or approved equal. PP q A. Wire shall bepulled from valve location to controller location in one continuous piece: C a C. PE-89 Maxi cable <shall `be used to connect the flow sensor to the controller. Ranger Seal Closures shall to a g B. -Wire shall be grouped together, taped with electrical tape at 10 intervals: Wire then will be installed = be used when connecting to the flow sensor, under main line or laterals in a soft snakin ' manor to prevent copper'from being stretched and or N 9. TRACE WIRE damaged. 9 P9 A. Trace wire shall be 12 ga. solid bare copper wire, to be OF rated and UL listed. C. Coil a -minimum of 5' ofeach wire in each valve box. .O 10. VALVE BOXES D: No file wire slices shall be allowed between valve boxes. All wiring connections shall bed installed in M A. Valve boxes for master valves and control valves shall be Carson -Brooks, green plastic HDPE box, P g P valve boxes or separate handhole. C3 High Performance Series Model 1419-12 with 1419-36 locking cover, or approved equal. The cover 9. CONTROLLER n cover to be green. Valve box extensions' shall v shall be bolted down with stainless steel bolts, Box and g A. Controller shall be wall mounted as detailed. Coordinate exact location of controller with Owner, Z '.: Z be compatible with valve box, and used as needed to meets finished: grade. B. Coordinate with the Electrical Contractor to ensure pro er connection of controller to power. o LA B. Valve boxes for mainline gate valves and quick coupler valves shall be Carson -Brooks, green plastic, 10. AUTOMATIC CONTROL VALVES P W mode 910-12 with 910-413 bolt down T cover or approved equal, 10 inch diameter circular boxes with 7 A. Per Drawings and Details. a Q inch diameter PVC sleeve below. Cover is to be green and marked 'Irrigation". B. Contractor shall install one valve assembly box. 0 C. Valve boxes for the backflow device shall be stacked concrete meter boxes, per City of Federal Way C. All valve boxes shall receive a polyurethane -identification tag identifying the valve station number. ++ requirements. Valve number shall be marked on exterior of valve box lid with a minimum 1" letters. 4) 11. AUTOMATIC CONTROLLER REMOTE CONTROL DEVICE & ACCESSORIES 11. VALVE BOXES and accessories shall be those shown on the drawings. A. Controllera ac g A. Install all other boxes plumb and flush with finish grade. Valve box archway shall hot rest on piping. ,; Z ll on exterior wall as directed b Owner's Representative. Shall be wall mounted at chest height. i B. Install ex e y p 9 Provide a minimum of 1 clearance around the inlet and outlet pipe. 12. AUTO -CONTROL VALVES 12. SPRINKLER HEADS A. Per Plans and Details. A. Contractor shall install sprinklers as detailed on the drawings. W 13. FLOW SENSOR B. Placement of heads shall be 4" from edge of paving/concrete edge.LU A. Per Plans and Details. 13. TESTING OF SYSTEM 14. SPRINKLER HEADS A. After flushing and valving main line prior to backfillin , a pressure test will be required on the mainline. J A. Per Plans and Details. P 9 P q t- " B. Mainline shall have a one hour test at a pressure of 150 PSI. A maximum pressure foss of 5 PSI is 15. DRIP IRRIGATION allowed. o z A. Per Plans and Details. C, Contractor is responsible to set up all equipment necessary to comply with test. vim 16, VALVE IDENTIFICATION TAG D. Contractor shall schedule r w _ W Gon cto s a pressure test 48 hours in advance with Project Landscape Architect or d o A. Polyurethane identification tag shall be as supplied by T. Christy, model No. ID-STD-YI or approved Owner's Representative. o v �Z equal E. Lateral lines shall be visually tested before heads are installed at line; pressure. Schedule pressure Q 0 17, NOT LISTED EQUIPMENT tests on lateral with Project landscape Architect 48 hours in advance. A. Not all materials needed for the completion of this irrigation system have been listed.It shall be the F. Before any testing starts, all air must be expelled from the pipe. . , Contractor's responsibilityo furrnsh and install an items required to complete this irrigation s stem as Y q PY G. Any section of pipe not passing pressure test shall be repaired and retested. ,y o designed; detailed and specified, tV< U. a,WW 00 W v_ vc o a a z