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�. , Design �V1/� FO�r�41 �o J�X�Inc. ,
<br /> 14835 161ST COURT SE
<br /> 9 RES�TOt�, �JA 98059
<br /> ph. (4Z5) 881-2426
<br /> F. A!I trenches must be straight, with appropriate pipe-fittings used to allow pipe ta be laid 3.06 P1PE Sl.EE1l�S �.12 WIRES cll. (206} 335-7719 -
<br /> without undue bending and not have abrupt changes in grade. www.design2426.com ;
<br /> A. Place Schedule 40 main tine in PVC Schedufe 40 sfeeves�nder al4 paved areas, drives A. Instafl in accordance with local cade. ��a��c�n,a,;c�n,�e•IrtigaponFannin9•AthleccFeldDesi�n�Constructicnldznagerrent L •
<br /> G. The trench bottom must be free af rocks or sharp-edged objects. and roads. Sleeve shall be at least 1-1/2 inches(arge�than pipe diameter.
<br /> • - �. Afl wir�s s�all be brought to the irrigation controller. Bring vuires in�o the box through the �
<br /> 3.04 �IPE APfD FlITINGS B. Place Schecfule 40 lateral lines in PVC Schedule 40 sleeves at least 1 inch larger than cond�it.
<br /> the pipe diameter under all paved ar�as,drives and roads_ '
<br /> ' � A. Cut PVC pipe ends at 90 degrees to the pip�length and clean all cutting burrs prior to 3.'Q3 AU70MA'TIC CONTROLLERS
<br /> cementing. Use of a deburring taol is highiy recommended. Wipe pipe ends clean. G Sleeve trenches sha11 be back-filled with approved bac�ll material (8 inches minimum
<br /> App(y primer to both ftting and pipe end. Apply a light coat af cement on the inside of the above and 4 inches belouv the pipe) and compacted in layers to 95%compaction, using A. Final fa�a#ion of controlfer shall be in vaEve box w�th automatic valve. '
<br /> ftting and a heavier coat on the outside of the pipe. lnsert pipe into the fitting and given a manual or mechanical tamping devices.Yrenches far piping shaN be com�actecf to equal
<br /> quarker tum to seat the cement. Wipe excess c�ment from the outside of the pipe. Test the compaction of the existing adjacent undisfurbed soil and �halS b�leff in firm 3,�4 SYSTEN! FLUSWidG
<br /> pip��s indicated elsewhere in these specifications. Backfill the center of fhe pipe lengths unyielding condition. All trenches shall be left flush wi#h the adjoining grade.
<br /> until the pressure test is c�mplete, A. Flush �ntire system priar to the instaltabon of valves, sprinkfer heads and subsurf'ace
<br /> D. Extend sleeves twelve i�ches {12�}minimum beyond back edg�of curbs and pavement. system components. �
<br /> � B. Cure all welded joints at least 15 minutes before moving and 24 hours before water is Pravide temporaty seal for pip�ends and ma�c locations at grade�tvith wood sta#ces, � '
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<br /> pertnitted �n Ehe pipe. 3,°i5 POP-UP SPRlidKLER HEADS •
<br /> 3.07 RISERS AND SWlI�G JOfNTS ;
<br /> C. lnsure that the inside of the pipe is absoluteEy clean. Protect any pipe ends not being A. Instalt per details. Spacirag of heads shat!r�ot exceed spacing shawn an the �lans gar �
<br /> v�ork�cl on. Cleaning of cutting burrs is MACdDATORY. A. A11 pop-up sprinkler heads and qulck caupier swring joints must be canstructed according any reason. ,
<br /> to the Details.
<br /> Q. Where possible install PVC lines and valves adjacent to planter bed edges. B. Heads along curbs,waltcs, paving, etc. shall be pEaced 1/2 inch above finish gr�de and no
<br /> S. Minimum riser size shall be the pipe size of the sprinkler head. clos�r than 4 inches�rom paving edge. .
<br /> �. Provide pipe sleeves double the diam�ter of the enclosed irrigatian line(s). Use Schedule �
<br /> 4(} PVC pipe for sleeves 3 inches and smaller. Instal!�link-sea!"around interior pipe in C. All tf�readed joints are to have Teflan tape (app�oved for PVC pipe}applied to male C. Ail heads shall be set perps�dicular ta fin�sh grade uNess othenrvise designated on the �
<br /> sl�eves to prevent soil erosion from planter�ed. thr�ads araly. P�ans.
<br /> F. Exercise car�in handling, loading, unloading and storing to avoid damage. 1'he pipe and D. Risers are to be capped after installation in pre{�aration for pressure testing. D. Backfil{arau�d heads with sand per the Details.
<br /> fit#ings 5hall be stored under cover, and shall be transported in a vehicle with a bed long .
<br /> enough to allaw the length of pipe to lay flat, so as nat to be subject ta undue bending or E. A!1 pop-up sprinkler heads and quick couplers shalE have swing joints that ailodv the head 3.�� DRIPPER TU�1NG °':"`
<br /> concent�ated extemal load at any point. Any pipe that has been dented or damaged shall to be set perpendicuEar and flush with finish grades. � �
<br /> be discarded until such damage has been cut out and the pipe is rejoined with a coupling. A. Make minor adjustments�o the lo�atior�of emitters indicated of Irrigation Design �
<br /> ' 3.0$ DOUBLE CHECK V�►LVE ASSEM�LY Drawings as requirsd to mvoid c�nfticts v+�th �lantings and othe�obstructions. D� not �
<br /> G. Appropriais prirrier shaii be used v�ith solvent glue. Solvent welded Joints shaU be given increase or decrease ths n�amb�r of lin�s �er valve irrdicated without notification to and ,
<br /> at least fif�een(15}minu#es set-up fim� before moving or handiing. Pipe shall be gartially q. Install in accordancs with lacal code. approval of the Resident Eragine�r.
<br /> center laaded�o prevent arching and sEipping. iVa water shall be p�rrnit4ed in pipe until a �
<br /> period of at least 24 hours has efapsed for solvant wefd setting and curing. g. Dauble chec4c valve assembly must be tested by a state certified inspector following B, pripper tubing can be ins�alletf in one of ti�e thre�folEow+tng methads: _ � .
<br /> installation.
<br /> , H. No PVC pipe may be threaded or connected to a threaded itting without an adapter. Use C. Over-exc�vation: In srr�all areas, ov�r-�xcav�te the entire area ta a depth of 4" beEow
<br /> Tefton tape on all male threads. 3.89 PRESSURE REDUCING VAL!!E finish graae. Plant all specimsn tr�es and shrubs, 1�gallon size and larger, then place
<br /> tubi�g at the row spacing intenral indicated on the plan. Desion Team
<br /> � I. Great care must be taken to insure that the inside 9f the pipe is absolutely clean. Any �. Install in 10" diameter valve box as shown in the Details. -
<br /> pipe ends nvt b�ing wor�ed o�must be protected and not!eft open. D. Pip� Pulling: Ir� farger areas w�h�ra ground ciisn,Eption is to be rninimized, pneumatic tire, : �
<br /> 3.90 QUiCK COUPLING VALVE pipe pulling machinery shali b� used. PothoEe at�he ends of each run for making Des�gn ''''"
<br /> 3.05 �RASS PIPE APID FI�TIMG� cflnnection to supply and exhausf head�rs of rigid PVC pipe. Maintain 4"cover. ,�,�
<br /> A. Brass pip�shall be installed in accordanc�wri#h the locaf Plumbing Cade and as shovun A. Insfa�! in 10" diameter valve box as showrn in the Details. -� �
<br /> Drown
<br /> on tha Plans and Details. E. Trenching: See T�ench�ng 3.3 abo�e. J�
<br /> 3.11 AUTOiYiAT�C VA�.VES ----- ---
<br /> - F. Dripper tubing can b� installed v+rith the water ou�lets facing up�vard or dawnward. Offset cne�'�ed
<br /> 8. Teflon tape all mafe threads to prevent I�aks and carrasian. A. Flush supply lirees before installing autornatic valves. Install one unian upstream of valve ihe water outlets to farm a tr�angular paiterrt throughout the tubing fayout. In irregular JA '
<br /> G. VVrap all brass pipes with biack PVC tape where they pass through grouted openings in in manifoid. Use valve box extensions to ensure that box extends a minimum of 5 i�ches al eas,v�ater a�tlets too close ta fixed improdements shall be capped off wi�h a dripper pote Y '
<br /> concr�#e vaults. below fhe bottom of the box valve. Leave vafve pit with a clean layer of gravel in the p�9 ��9• p.q.��g��(}�g
<br /> bottom writh 4 inch cfearance (min.) beluv�en gravel and bottom of valve. zazs Froject�io.
<br /> G. Pipe Clamping: When operating pressure exceeds 45 psi, stainless steed pipe cEamps
<br /> shall b�used. Slip c#amps over tubing before slipping tubing over insert barb�d fitting. ���
<br /> Approved/Oote �
<br /> �z a400 az saoa az ��ao � �
<br /> sRR«aYio� i�RiG��rio� �R�i��T�o�
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<br /> Revisions
<br /> , No. �ote Description _�_^ �
<br /> Pface ciamp between the ftrst and second ridge of the i�arbed fittings and crimp the"ear" 3.20 PERFOR�ANCE TEST - ---�—��
<br /> � of the cEamp tightly. Crimp the"�a�'twice to ensure proper seating. ----- -
<br /> A. Request Owmer's R�presen#ativ�attendance ai the system coverage test. Give a �� _--- --- ; .
<br /> . 3.17 BACKFILUNG minimum vf one week prior notice. Prior#o pe�#ormance t8st, adjust valves, check __ _ _ �'L .
<br /> - , emitE�rs, check for leaks and coverage. _�_
<br /> • A. Back-fllling shalf be done when pipe is not in an expand�d eondition due to h�at or ___ . �
<br /> - pressure. Caoling of the pip�can be accomplished by operating the system far a short B. Perform a system coverage test for each zone, in the presence of the�euner's ^��
<br /> time before back-fill,or by back-filEing in the sarly part of the morning before the heat of Representative. Repair any clogged or damaged in-igation components. Correct alt ---- --- ,
<br /> the day. deficiencies,without ad�4itianal cost, until the system is approved by ths Owner's
<br /> Representative. �'est systerr�for both manual and fuliy automatic aperation.
<br /> B. (n refitEing the trenches, the filt around, 4 inches below, and 6 inches above the pipe and .
<br /> fittings shaU be suitable beddia�g mate�iaf or sand, as required, and tamped. The 3.21 �ALAWCE AWD ADJUSTN(�NT Key Plan
<br /> remainder of ihe bac�Cf'il1 shall contain no lumps or rocks laryer than three inches. A three
<br /> inch separation is required betv�+een all pipes wrhen mare than one pipe occupies the A. Balance and adjust the various cvmponents of the sprinkler system sa the averall
<br /> trench. operatian of th�system is most efficient. This includes a synchroniza#ion of the
<br /> cantrollers, adjustments#o pressure regulations, pressure relief valves, parE circle
<br /> C. Akl roots, rocks and surplus excavation shall be�ernoved fram the site unless otherv,rise sprinkler heads, drip emitF�rs and individual station adjustments on the controller. �
<br /> d'rrected. Any turf areas buried under ditch excava�on shap be raked clean of any �'` ,
<br /> excavated material. 3.22 M�►{NTEWA�ICE TR�►INING
<br /> D. Trenches under roads or paVed areas shall be back-filled and taraip�d with a mechanical A. Schedule a training session far the Orrvner's maintenance personnel far the operation of
<br /> tamper in successive six inch (6"}I'rfis. Paving shall be replaced to#he satisfacti�n of the the system. Furnish sufRcient#raining to the Uwner's personnel in fhe operation, .
<br /> 4wner� Representative. maint�nance, and winterixa#ion of#he syst�m. The Owner's Repr�se�tat�ve wiA be
<br /> nati�ed of this sessian at least 72 hours in advance and may be part af the training
<br /> E. Prior to compteting backfifl, place bare copper w�re directfy above the installed Eateral and session. The ConVactor shall f�e liabl�fnr all damages or Ivsses resulting from failure tv .
<br /> - supply mains and secure to pipe writh ta�e for future line detection. Provide extra l�ngth comply wi4h the provisions of this paragraph.
<br /> to cfearly expose snds in the valve boxes.
<br /> Registration
<br /> 3.23 WIFdTERIZATI9N
<br /> - F. If, for any reason, any part of 4he sprinkler system is back-flled t��fore approved location, �,,� q"'�
<br /> testing, or inspection is authorized, it must be completety uncovered and exposed unti! q, Deactivate and drain the system prior to the onset of the free�ing season and reactivata ��� �Syj��,
<br /> approved for back-filfing by the Owner's Representat'sve. at t�e anset of the spring season. Accomplish each at least once during the warranty � �,5�� �'soy C� .
<br /> period. If cvnstrucfion is completed when the system is not in use,uvinterize after testing. � s�� ��, p ,
<br /> . 3.1$ PRESSUR�TEST Cettiify by lefter the dates of winteri�atdonlactivation. Repair damage from failure to �i � � Z
<br /> comply. .
<br /> A_ Notify the Owner's Represent�tive a#least 72 hours prior to the test.
<br /> . B. When using compressed air to winterize the system, do so in short cycies at no mare -
<br /> B. Valves do not need to be installed for pressure test. Valve manifalds, quick couplsrs and than 40-psi air pressure. Do not allow pipe close to the campressar to get hot to the �
<br /> '�b �
<br /> drain valve swing joints rriay be capped. Purge all air from the mainline prior to testing. touch. ���-xp�2A��
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<br /> C. Hydrostaticaliy test the mainline at a pressure of 154 psi. Ta be valid, all tests must be 3.2� FlNAL A�PROVAL
<br /> gerformed under the direction and supervision of the Owner's Representative. �fiaximum
<br /> allow+able drop is 0(zero} ps9 in a one-haur test. A. Upon comple4ion of ail #�sts,fiinai approval far the system will b�contingent upan
<br /> Cantractor proviciing signed and approved sprinkler/plumbing/health/el�ctrical permits as
<br /> D. Hydrastatic pressure test Lat�ral lones at test at existing static wates pressur�. Maximum may t7e applicahle, as well as reproducible"as-built"dra+wings, remote and three-ring sneet Tit1e "
<br /> allowable drop is 0 (�ero) psi in a ane-hour test. binders of a!I catatag cuts/manufacturer's insiruction/main#enance an�op�ration � � �
<br /> lnformation as tuep as compfete sets of all tools and keys required. �
<br /> 3.19 CLEAMING AND REPAlRS
<br /> END OF SECTIOPI 328400 � � �
<br /> A. Repair or replace any darrtaged mate�ials, surfaces, and finishes caused by 1Nork of this �
<br /> - Section to the satisfaction of the Owner and at no additionaf cost to the�nrner. `
<br /> 8. Clean up as each portion as Wo�lc progresses. Remove refuse and excess dirt from #he
<br /> - site and legaf{y dispose of it oif-site. Af1 waVks and paving shatl be swept dawn. '
<br /> Sheet IvTo.
<br /> 32 8400 32 8�00
<br /> IRREGATIOAI #RRIGATI�N "
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<br /> • .. Q 2018 DESIGN 2426 INC.
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