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<br /> SECIION 02810 UNUERGROUND RRIGATION SY�,,)'ILM. ,�.5 INSTALIL-Al ION I I
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<br /> A� General: Uniess otheryylse indicated, ,�ornply ,vith ,equfrefrients of Ji-itforni PlumbIng Code, I'o PROIJECI CONDITIONS OAR I 3 EXECU I ION �
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<br /> i'ART I - GENERAL B, Connection to Main: As indicated on drawings, A, Utilities: Deterrnine iocutiorr it ubove �fude ind ,ride(qiiound -itilities ,)nd per(orm ,vork '11 0 1 c ,� ,� , ,
<br /> 1, As a rninli-num, install tee, valve, union and other fittings as needed to provide a manner which will ovoid claniage. Hand excavate, as required. Maintain grade. stakes until ,5,1 EXAMINAI ION �,�,�, _ � "
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<br /> i � I lot ,�Ondlllolls i I�"l<�',� �, "�`�,,�,"',
<br /> removal is mutually oq �, Examine areas to receive unuscopinq Tar I-ofirlpHorice Nith 'equitenlents ,)nd � I I �',`�,�'/,'�',�,_,,"' � ) ,v�,,X
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<br /> �I ENIS compV,e connection. .reed upon by parties concerned. � � ,1,"",,, I � � 1\"�I"I
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<br /> A, Drawings and General requirements of Division 1 Spec,ficoitoit S)ec,00ns, ,)Pply lo Jils �e,�(1'01). i � Min'ni Cov.-,r: Provide following ri-iinimurin cover over top of installed piping: �9� Excavation: When conditions detrimental to plot-it growth are encounte,red, such as rubble fill, affecting perforl-rionce of work of [.his Section. Do not proceed with installation until " 1". ,
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<br /> Jnsatis .I,, ,,, t:"0" �,��:,�
<br /> I, ,jdverse drainage conditions, or obstructions, notify Owner before planting. , factory conditions have been corrected, :1, i,�' ''-,
<br /> Mainline: 1 8"� � I,:�:f:�" I" �,_Q� �', �
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<br /> .1. ,�l,)MMARY 2� Circuit Pipe: !�y���'r;" �,,-�" kiii, , I
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<br /> ' , f 'OORUINATION AND SCHEDULING I", � -1i._;ilNIING SOT[, PREPARATION 1 � ,.� . i
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<br /> A, This Section includes valves, piping, sprinklers, specialties, accessories, conti-65, and wring for `l� Sleeves� 1 8"� ,, I - .
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<br /> lown and landscape irrigation systerns J. ,.�uckflow Pre\enter: Provide union of) doilfristreann side, A� Coordinate installation of planting materials during normal planting seasons for each type Of A. Before rnixing, clean topsoil Of roots, Dionts, soda, stones, Cloy lIJfT`,p$, and other extraneous I �_ , I I
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<br /> , , -noteriols hormful to plant qrowth, � , ""� I
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<br /> Arrester� Install between connection to building rnaln arid circuit vo;,�es, nsfde plant material required. t I:,, � I , :
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<br /> I I Aoter Honnrne,r ' ' fertilizer if planting does not \�' "",,, I ,<�,"-,� i
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<br /> 3, Mix soil fertilizers with topsoil at rates indicated. Delay mixing , 1, �"" " i- � �
<br /> I_� �)iSILIM PERFORMANCE IREQUIRMENTS � '�""1,l 1"'.1��,,, "�� I
<br /> building or in vclve box. I " I ,,"I ,,,,
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<br /> TY follow placing of planting soil within a few days. �� ,�, ,; :�:�,�,- "�I
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<br /> A. Location of Sprinklers and Devices: Design 'location is r,ipiproximote,. Make minor adjustments - Circuit Valves: install in valve box, arranged for easy aciustment and removal. '.� 4ARRAN � �_': ", :
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<br /> necessary to avoid plantings and obstructions such as signs and light standards. 1 �\, General Warranty: The, special warranty ,specified !in this Article shall not deprive the Owner of - -or tree pit or trench backfill, rnix planting soil before backfilling and stockpile at site� i � I
<br /> . Provide union on downstream side. .
<br /> 2� Adjust automatic control valves to provide flow rate of rated operating pressure required other rights the Owner may have under other provisions of the Contract Documents and shall � 1
<br /> 3. Vinimurn Water Coverage: Not less than: for ead-I sprinkler circult, be in addition to, and run concurrent with, other warranties made by the CC under 1�_`l ,j\NN PLANTING PREPARATION �
<br /> 1� Turf Areas: 100 percent� �, -'ip,�ig: Lay )Ipe on solid so i bbose, uniformly sloped without humps or depressions, ,equirements of the Contract Documents. A Jrnit subgrade preparation to areas that will be planted in the immediate future, ��_- 1
<br /> 2� Other Planting Areas: 100 percent. 1, -1. -)'Pecial Warranty: Warrant the following living planting materials for a period of one year -3, Loosen subgrade to a minirrium depth of 4 iriches (100 ram). Remove stories larger than 1
<br /> For, circuit piping, slope lo, droin valve at 'east 112" in 10' of run, � " -1�-1 11 I_ I I 11-11 --- - --_- --"
<br /> CJer (late of Substantial Completion, against defects including death arid unsatisfactory Inch(25 mm) in any dimension and sticks, roots, rubbish, and other extraneous materials. ( E-4 I )�
<br /> 2. At wall penetrations, pack the opening around pie with non-shrink grout. At exterior 1 Q � �� i
<br /> I I I ,rowth, except for defects res I -�pread planting soil mixture to depth required to meet thickness, grades, and elevations shown, ! W � "u �) >- W i
<br /> -)ble of producing piping sy6lerris Nith the foilo,ving lm'nirnuin III this slot with , i di 0�� "I ,�?(�
<br /> - _u,i)poneni arid Installation: Cook �j ulting from lack of adequate maintenance, neglect, or abuse by � I,2 'y :
<br /> loco, 'leave a perimeter slot approximately 1/2" wide by 3/4" deep. I I i �
<br /> ) -ode is frozen, I I �I I-�-1-1 1 5 �
<br /> Aorking pressure ratings except ,where indicated otherwise, Jwner, clonormal weather conditions unusual for warranty period, or incidents that are beyond after light rolling and nature settlement. [)a riot spread if planting soil at, subgi � -
<br /> backer- rod and an acceptable elostorneric sealant, Repair below grade waterproofing I :D�-()0 LLI W i-(
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<br /> 1 1 1�" s control. PA i l';-,�11 6'I-' , 6�;,W .
<br /> 1� Pressure Pipirrg� 150 psig. j'sturbed by this work and make penetration watertight, -) �Jloce approximately 112 the thickness of planting soil mixture required. Work into top of I _�� ,0 z
<br /> ". Trees. loosened subgrode to create a transition layer and then place rernainder of planting soil I -el .0 Z 0 l'y,_M V_5 I_6 1
<br /> �, Circuit and Drain Piping: 100 psig, � i cli , l"
<br /> , riAcll PVC pipe in dry weather when temperature is above 40 degrees F (4 degrees C) I I W 1�) ,-,,)","�b I- (3 r y"
<br /> I , Shrubs. niXtUre. 'r" "'2()w w
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<br /> -)ofore ,,esting, unless otherwise recomraended by manufacturer. I - 1 !� 11? I ,�*,,�X 27- �I���-
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<br /> 'J '�UHMJ I IALS ' � �e.noi,e and replace dead planting rnoterials if-tirnediately unle,gs required to plant in the -_ �rade lawn and gross areas to a Sn'looth, even surface with loose, uniformly fine texture, Roll I f.")<1,1�-1 a P
<br /> -1, vil,iKier Heads: Flush circuit lines with full head of water and install heads after hydrostatic 1 U T ! 0 if � q�- i;,
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<br /> A, Product doto including pressure rating, rated capacity, settings, and e:ectricoi data of l,,,electco b,cceeding planting season. orid rake, remove ridges, and fill depressions to riieet finish grades. Lin'rit fine grading to tA '0 � � <:F i- Z?,�X 0 f__ a
<br /> ,est is compete, ' I P ;; I <:5 L�D,�;w it-D 0
<br /> ), �eploce planting materials that ore more than 25 percent dead or in an unhealthy condition i " U D.T 0 Z T e5 C-,0
<br /> models for the following: ,ireos that can be planted in the immediate future, Remove trash, debris, stones larger than I � -, .. q.�X ��ci)l 5,�:) �J-
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<br /> i. Install lawn heads at manufacturer's recommended heights. I �* � I-5 J- X,-_ - -i_- ,) 1
<br /> 1. Controller, ,) U, end of warranty period, rich (25 nirn' in any dimension, and other objects that may interfere with planting or I � :�off UJ f--z 0�;U i
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<br /> -I ,nstall shrubbery heads at heights indicated, i . <lu,<0 ul 3
<br /> 2, Filter and enclosure. I I � limit of one replacement of each plant material will be required, except for losses or ! �� 17) ,�1:Ld-U 1-1,-ii!�
<br /> I I I icinteno nce operations. ,J U)z uj I- .
<br /> � I ---circle heads to "nointain a mininium distance of 4" frorn walls arid 2" from I 1-14 - C�-0'J n
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<br /> � 1-ocote part �uplccernents due to failure to corripi'y with require men ts. � lirloisten prepared lawn areas before planting when soil is dry. Water thoroughly and allow I- 0 i d _J-a,"-_ T_
<br /> . Pressure regulators. I -, I � < " .1 I., i
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<br /> 1� Valves, including generol-,duty, underground, rrionuol, and JkAtOfn0tiC Control, Orld other boundaries, unless otherwise indicated, ,F-_ I , , - E 0
<br /> . Jii,,,,u,�,,ric ProtEction: Use dielectric fitUngs at connection where pipes of dissimilar metal are � surface to dry before planting. Do riot create r-nuddy soil. PQ <' C) " I �"w- ,li(1)��x
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<br /> quick--coupler types, and valve boxes. .� Ii L �ND SHRUB MAINTENANCE ' '�estore prepared areas if eroded or otherwise disturbed after fine grading and before planting. i = ;el� F- , '-�<0"r�; , ()ill, i
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<br /> ,oined. I I I I I Ing : C� LU O'� � Er 0 , I
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<br /> ,v Maintain trees and shrubs by pruning, cultivating, watering, weeding, fertilizing, restori C4 -1 . Z - 1 _" T 0
<br /> :), �pnnklers, including emitters, drip tubes, and devices. S - Ciri Z
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<br /> planting saucers, tightening and repairing stakes and guy supports, arid resetting to proper W Ili Lu I -C W - I
<br /> ,�. �ontrols, including controller wiring diagrams, �.-� -_XCAVATION FOR TREES AND SHRUBS � 1-4 C�) �_ W<�M-C,f...IIJ
<br /> �' ' -Ir�i,_J ,�UALJTY CONIROL I 0 Q : 0 . Q�- _.-�� I
<br /> I Wiring �o rades or vertical position, as required to establish healthy, viable plantings. Spray as Excavate with vertical si�des and with bottom of excavation slightly raised at i >� C;) 5 < _r 1 Lu V)11 1�c>_0 0 I
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<br /> A. Testing: Perform hydrostatic test of piping and valves before bockfilling trenches, Piping may g A. oits arid Trenches; l W ,�2 V) (n 0_ I l-- 0 i-- (-)<,,�,f,-f.") I
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<br /> �, Water hammer arresters, be tested in sections to expedite work. required to. keep trees and shrubs free of insects and disease. Restore or replace dornaged Center to assist drainage. Loosen hard subsoil in bottorn of excavation, I- -__ 1-1-11- i I - I'll-- ''I 4
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<br /> ), Area drains. ' * Jee wrappings. Maintain trees and shrubs for the following period: I ,M!� � "---�> LO 00 E I
<br /> I 1, Cap anc subject the piping system to a static water pressure of 50 psig (i45 <F1a) � (D " " ,,-, ,
<br /> J� Nifing diagrarris for electrical controllers, valves, and devices. 1. Maintenance Period: 30 days following Substantial Completion. , �) 'LANTING JREES AND SHRUBS I �
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<br /> I ' I � it shop above the operating pressure without exceeding pressure rating of piping system l W LO co . I
<br /> , - '31-1 ; ' I A, �et balled and burlapped stock plumb and in Centel- of pit or trench with top of ball raised ! i M � M
<br /> _, ,ithen irrigation plan I's not provided by the Architect, the Contractor shall btri l �
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<br /> Materials, Isolate test source and allow to stand for 4 hours. Looks and loss in test �0) I �_
<br /> drawings showing irrig6on system, including plan layout and locations, types, sizes, Capacities, i 1.'U _,�VV N MAINTENANCE above adjacent finish grades as indicated. — < (N -C=
<br /> - m t s iressure constitute defects that rnust be repaired. 'I � i� .-.--) (.) M (n �
<br /> ind flow characteristics of irrigation system components. Include water l e er , backflow A. Begin maintenance of lawns immediately after each area is planted and continue unti tipocted planting soil. i 4',, ; — 0 �
<br /> ) , 3, Place stock on setting layer of cor I (f) . - (0 --' I
<br /> ... �epoir !eoks and defects with new materials find retest system or portion thereof until acceptable lawn is established, but for not less than the following periods: i , .1 0 ,.- -
<br /> if eventers, valves, piping, sprinklers and devices, accessories, controls, arid wiring. Show ,;. Remove burlap and wire baskets from tops of balls and partially from sides, but do not remove '.
<br /> , - I� Sodded Lawns: 30 days after date of Substantial Completion. 1>_ If- 15� �
<br /> _,dtisfoct,)ry results are obtained. � 0') -5
<br /> ircos of sprinkler spray and oversproy. from under boils. Remove pallets, if any, before setting, Do not us � 4 1 < � § i
<br /> t , e planting stock If ball 'is 1 Z
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<br /> �� � ' 2, Seeded Lowns: (Where shown on Landscape Plan) 120 days after date of substantial ,;racked at- broken before or during planting operation, � 3: LLI �� �Z, 1
<br /> � - ,.,f_c,A,N,,\G iiIND ADJUSTING C Z :E 0- �
<br /> _) JuAii )iSS(JRANCE ; completion, ), -1ace backfill around ball in layers, tamping to settle backfill and eliminate voids and air I Emo LJ_ *:; !
<br /> r, A, Flush dirt and debris frorn Piping before installing sprinklers and other devices. i < g ,
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<br /> I " '�efore pie , i i
<br /> A Comply with requirements of utility supplying water for prevention of backflow arid B. Adjust cutornatic control valves to provide flow rate of rated operating pressure required for o� When full maintenance period Ties not elopsed before arid of planting season, or if Packets, When pit is approximately 1/2 backfilled, water thoroughly cing remainder of �1=
<br /> back--siphonage, I [own is not fully established at that time, continue maintenance during next oackfill, Repeat watering until no rnore is absorbed. Water again after placing and tomping final I i I— -) M �
<br /> each sprinkler circuit. � � W < IN �
<br /> �_. installer Qualifications: Engage on experienced Installer who has completed irrigation systenns Qlanting season. � ;iii � U) "
<br /> I i uyer of backfill, i C:> 00
<br /> I -Inklers so they will be flush with, or not morre than 112 'in
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<br /> str-nilor in rnoteriol, design, and extent to that indicated for Project that have resulted in -� Carefully adjust lawn spr ch (13nim) 3. \4o,fi,um ,i(,o establish lawns by watering, fertilizing, weeding, rnowing, trimming, replanting, and - _+i ol e I 0 1 � I CD � I
<br /> I ,at container-grown stock plumb and in center of pit or trench with top of b I rais c ,have I cy') II_ I
<br /> ,joove, finish qrede after completion of landscape work. I i �_ 04
<br /> I-onstruction with a record of successful in, service performance. jJier operations. Roll, regrade, and replant bore or eroded areas and remulch to produce a 4 1
<br /> 1 -_ I I I adjacent finish grades as indicated. i
<br /> I s and automatic control valves, i ** I 0)
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<br /> I. --Irovide underground irrigation system as a complete unit produced by a single acceptable 1 �djust settings of controller Iniforr-rily smooth lawn. _. �arefully rernove containers so as not to damage root bails, � — I
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<br /> ,rianufacturer, including heads, valves, controls, and accessories. �, Notering: Provide and maintain temporary piping, hoses, and lawn watering equipment to ;
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<br /> - �. Place stock on setting layer of compacted planting soil. � :
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<br /> I �d .)t...MON,SIRATION - from sources and to keep lawns uniformly moist to a depth of 4 inches (100 _k Place backfill around ball 'in loyers, tamping to settle backfill and eliminate voids and air � � — f
<br /> (:onvey water I i �� I
<br /> - A, DerriOnstrote to Owner that systern meats coverage requirements arid 'not automatic controis I
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<br /> ,b IRO,Lll�f CONDIHONS -nm). pockets. When pit is approximately 112 backfilled, water thoroughly before placing remainder of � I
<br /> 11 : I Verify function properly, I I Dockfill, Repeat watering until no more is absorbed. Water again after placing and tarnping final ; 9 1! i
<br /> A, Perforrn site survey, research public utility records, and verify existing ! fility locations. , Water lawn at the minimum rate of I inch (25 mm) per week, � I
<br /> 3, Demonstrate to Owner's maintenance personnel operation of equipment, sprinklers, specialties, i i
<br /> that irrigation 5ystern piping may be installed in compliance with original design and referenced J. Viu,v lawns as soon as there is enough top growth to cut with mower set at specified height uyer of backfill. � �
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<br /> standards, I and accessories. Review operating and maintenance inforrnOtiOn. -or principal species planted. Repeat mowing as required to maintain specified height without . ,�et bare.-root ,-,took on cushion of planting soil. Spread roots without tangling or turning toward � 41� i
<br /> - 9rovide 7 day written notice in advance of demonstration. - � �
<br /> i I lutting more than 40 percent of the gross height� Remove no more than 40 percent of surface, and carefully work backfill around roots by bond, Puddle with ,water until bockfill layers i W* I
<br /> I -�I:_Uut,NCING AND SCI-EDIJILAG ,;rass.-leof growth in Initial or subsequent mowings. Do riot delay mowing until gross blades ji,e corripletely saturated. Plumb before backfilliriq, arid rnaintain plumb while working backfill � �
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<br /> -igation systems work with landscape work specified in Division 2 Se _N0 Jr �ECIION 02810 I �
<br /> A. Coordinate in ction ;
<br /> I i , -�and over and becorne matted, Do riot mow when gross is wet. iround roots and placing layers above roots. Remove injured roots by cutting cleanly; do not :
<br /> Landscaping/Improvernents." -, -lostfertilization: Apply fertilizer to lawn after first mowing rind when grass is dry. I
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<br /> -,Ar�I -1 PRODUCTS �0�110N 02900 - �-ANDS','APING/iY,PROVEki,t--NIS 1, Use fertilizer that will provide actual nitrogen of at least I lb per 1000 sq. ft, (0�5 kg 1 -'at collar 1 inch � 0
<br /> 1 ,) (25 nim) below adjacent finish grades, unless otherwise indicated, �
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<br /> por 100 sq. m) of lawn area, -,. Dish and torrip top of backfill to form a 3._-inch_ (75.....mm-) high mound around the rim of the � = I
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<br /> I I PAR T 1 - GENERAL pit, Do not cover top of root ball with backfill, I gg I I
<br /> _ MANUFA(JURERS I i
<br /> A, Manufacturers: Sub'ect to compliance 4im requ:irernents, pfovide products by one of the -1 Nrop trees of 2--inch (50--mm) caliper and larger with trunk-,wrop tape. Start at base of � I
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<br /> . RELATED DOCUMENTS trunk and spiral cover trunk to height of first branches. Overlap wrop, exposing half the width, i
<br /> following: j
<br /> 1, As indicated on the drawings, A. Drawings and gerieral requirements, Division 11 Specification �Sectlons, uppiy -,a th,s ')_'ection� ,)nd securely attach without causing girdling. Inspect tree trunks for injury, improper pruning, �
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<br /> .1 TREE AND SHRUB MATERIAL i
<br /> ,ilid insect Infestation and take corrective measures required before wrapping. i 41i ,
<br /> ! I A. Provide trees, shrubs and other p;ant5 of size, genus, species, arid variety 41irch are i i
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<br /> 2- -ll�Lo'SuRE PIPE: Comply with following: I Eill,10
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<br /> A. This Section ;rr�ludes the following: appropriate for the geographic area and local conditions of the site, and complying with �',�6 'Nitt AND SHRUB PRUNING : i
<br /> A� 3" and smaller, PVC plastic pipe, ASIM D2241, Class 200 PVC, SDR 21 solvent weld pipe. �
<br /> 1. J rees. recommendations and requirements of ANSI Z60,1 American Standard for Nursery Steel<, A. "-'rune, thin, and shape trees arid shrubs according to standard horticultural practice, Prune i �
<br /> B. t" - PVC Class 200 Gasketed Pipe. 2. Shrubs, 3. Provide deciduous trees (sized per plans) with branching, configuration recommended by ANSI trees 'to retain required height and spread. Unles's' otherwise directed by Owner, do not cut � 0 ;I
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<br /> �� Ground covers. -'60.1 fair type and species required. Provide single stern deciduous trees, balled and tree leaders; remove only injured or dead branches from flowering trees, Prone shrubs to retain i
<br /> 2�1-1, jWL FIIIINGS: Cornply with following: I � 04 1
<br /> ,V For PVC plastic pipe, ASTM [) 2464 Schedule 80, socket fittings with ASTM D 2564 solvent -1�. Plants. I ourloippecl (B&B). '10tural character. Shrub sizes ;ndicated are size after prtiriiiig, I I
<br /> � Lowns, -. -'rovide deciduous shrubs (sized per plans) with not less than Ithe minimum number of canes 1
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<br /> i (;errlent. D. Topsoil a-id soil amendments. 1,,quired by ANSI Zi for type and height of shrub required. Provide deciduous shrubs, 1��" -�'I:_L AND SHRUB GUYING AND SIAKING I W i
<br /> :3� -_ - gasketed mainline pipe, Harco ductile :ran fittings with rnechanical �o�nt restraints. go I
<br /> I or l I. Initial maintenance of landscape fnatefloi5, - -r r �
<br /> ,)aIled arid burlapped (8&8). A. ipright Staking and Tying: Stake trees of 2_ through 5--inch (50--. through 125--i 1 n) caliper, I f
<br /> J, I i - ), -fovide coniferous evergreen trees (sized per plans' and coniferous and broadleof evergreen S(oke trees of less than 2 inch (50, rnm) caliper only as required to prevent wind tip Out, Use I i
<br /> � �a,uted Sections: The following Sections contain Ica'utfefHeMs 'rl,)t reOW ',.0 ',hi$ '�C,;1(00� ) -,- - - � �
<br /> i 2. Section "Site Clearing" for protection of existing trees and planting, topsoil �
<br /> �.,� I _RLAM FROM CIRCUIT n g: � Division 01rubs (sized per plains). Creeping or prostrate type conifers shall have a minimurn spread i rninimurn of 2 stakes of length required to penetrate at least 18 inches (450 nitin) below � I
<br /> lll�Gull PIPE (DOWNS] VALVES): Comply with the followi stripping arid stockpiling, and site clearing, 'i � \ 1 4 ; ;
<br /> hes (1800 ni above grade. Set ! W 0 i i
<br /> A. PVC plastic pipe, ASTM D 2241, Class 200 PVC, SDR21 solvent weld pipe, 1)f 18", Provide norrinal quality evergreens with well balanced form complying with ,),,,ttom of hockfilled excavation orid to extend at least '72 inc �
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<br /> , )ivision 2 Section "Earthwork" for excavation, filling, rough grading, and subsurface i i
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<br /> ,�qulrernents for other size relationships to the primary dimension shown. Provide balled and 'ertical stakes and space to avoid penetrating balls or root mosses. Support trees with 2 1 : �
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<br /> �)'j 'VALVES: Manufacturer's standard, arid as follows: aggregate drainage and drainage backfill. ,),_r1appod (B&B) evergreens. �lrords of tic wire encased in hose sections at contact points with tree trunk. Allow enough i I :
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<br /> A, Provide cost bronze bodies, unless otherwise indicaled. ,'lack to avold rigid restraint of tree, ! I
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<br /> 8� Vorrual Circuit Valves� Globe valves. ' _ ,.,,-\,A,,),-., vATERIALS i 114 i
<br /> - Key Operated Valves: Manual valves, fitted for key operation. A, General: Submit each item ;In this Article according to the Conditions of the Contract arid ,iI, Sod: Certified turfgross sod complying with ASPA specifications for machine -cut thickness, �;,cl VULI�HING i I !
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<br /> )ivision 1 Specilicotion Sections. ireos indicated, I I I
<br /> 1, Furnish 2 valve keys, three feet long with tee handles and key end 10 fit valve,�. size, strength, moisture content, and mowed height, and free of weeds and undesirable native A. Mulch bockfilled surfaces of pits, trenches, planted areas, arid other � � W Q �
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<br /> 13� Product cerfific-ites signed by monufocturer certifying that their products comply with specified I �
<br /> i, Automatic. Circuit Valves:' Globe valves operated by low--power solenoid, normally closed, grosses. Provide viable sod of uniform density, color, arid texture of the following turfgross 9, Mulch: Apply the following average thickness of organic mulch and finish level with adjacent � V) I i
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<br /> requirerrients, � �
<br /> Hionual flow adjustment. species, strongly rooted, and capable of vigorous growth and development when planted. finish grades. Do not place mulch against trunks or sterns, I
<br /> 1. MonUfOCtLrer's certified analysis for standard products, i � W I �
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<br /> 1. I Species: Provide sod of gross species and varieties, proportions by weight, and 'fickness: .3 [riches (75 ram). I ,
<br /> - �utomctic Drain Valves: Designated to open for drainage when line pressure drops below 3 � I �
<br /> i. Analysis for other matericis by a recognized �oboratory made according to methods I I i
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<br /> P s I, established by the Association of Official Analytical Chemists, where applicable. r-nininium percentages of purity, germinat"on, and irrioximurn percentage of weed seed � ;0) 0 �
<br /> -omprised of: 100% toll Fescule, Festuco
<br /> , orundinaceo 5,� �,)UOING NEW LAWNS
<br /> � � obel dato substantiating that plants, trees, shrubs, and planting materials comply with I (A I �
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<br /> � �A6r\IILOW PREVENIERS: MiGnufacturer's standard, to suit sprinkler systetri. ified requirements, I A, I -.y sod within 24 hours of stripping. Do riot lay sod 'f doirriont or 'f ground is frozen, i
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<br /> ,, I I urity and 9. Lay sod to form a solid moss with lightly fitted joints. Butt ends and sides of sod; do not I i
<br /> ..pear ,-3. -)t�u,,,, fovide fresh, clean, new -crop gross seed complying with tolerance for p 04 � Cn
<br /> 1_f -Ii�INKILER HEADS: Monufacturer's standard unit designed to provide uniform coverage over entire "I -'IU.JIg schedule indicating anticipated dates and locations for each type, Of planting. t Till"ili i
<br /> , SI �,��rnninouun established by Official Seed Analysis of North Arnerico, Provide seed rnixture 3tretch at- overlap. Stagger sod strips or pods to offset joints in adjacent courses. Avoid I 00 C;N i i
<br /> area of spray at available water pressure, as follows: --omposed of gross species, with a rninimurn purity of 85%, rninimum gern'lination of 75%, and larriage to ,subgrade or sod during installation. Torrip and roll lightly to ensure contact with i � M � :
<br /> i_+ 1(,AL._,FY \SSURANCE � % -I a smooth surface. Work sifted soil or fine sand i �
<br /> A, Flu,qh surface: Fixed pattern, with screw--type flow adjustment ,k Installer Qualificstions: a n enced installer who has completed landscaping work ,� maximum of 1% weed seed, Fhe seed mixture shall have been tested for germination arid �ubgrade, eliminate air pockets, and forn q1i I i
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<br /> 3. Bubbler: Fixed pattern, with screw-type flow adjustment. ,),,rity by acceptable methods within a nine month period prior to delivery. rito minor cracks be(ween pieces of sod; remove excess to avoid smothering sod and adjacent U �
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<br /> sirrillor in material, design, arid extent to that indicated for this Project ond with a record of � ; "I
<br /> �. Shrubbery: Fixed pattern, with screw -type flow adjustment, .l(oss� �, � I
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<br /> ), Pop--Up Spray: Fixed pattern, with screw--type flow adjustment and stainless steel retraction successful landscape establishment. ,�, vichor sod on ,slopes exceeding 3:1 (33,33%) with wood pegs spaced as recommended by sod I 1-1-1 I — I 11 -I--I I p 'I- , - __- _,
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<br /> 1� installers Field Supervision: Require Installer to maintain an experienced full-tirrie f � I I pl�,,�)J 1L(-,1 - �
<br /> spring. . � . _1,I li�UuNt) �OVER tricnufacturer but net less then 2 anchors per sod strip to prevent slippage. i : �
<br /> supervisor on the Project site during times that landscaping is in progress, I i
<br /> -, Gear drive, full circle and adjustable port circle type, ,�, Provide plants established arid wed rooted in removable, containers or integral peat pots, ), �aturote sod with fine water spray within 2 hours of planting. During first week, water daily or 08171 : 09-05--08 i
<br /> Pop--Up Rotary Spray: � i :
<br /> i�. lt,�,,do quality, size, genus, species, and variety of trees and shrubs indicated, complying with i �
<br /> 'op -nh-iin um of of of 1 inches (38 mni I'll - I -- I—- I'll __
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<br /> . , --Up Rotary Impact: impact drive, full circle and part circle as indicated. inore frequently as necessary to maintain rnoi9t soil to a I I I e 11 l I
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<br /> j� Above--Cround Rotary irripact: impact drive, full circle end part circle as indicated. opplicable requirements of ANSI Z60.1 "American Standard for Nursery Stock," 2,4 MISCELLANEOUS LANDSCAPE MATERIALS -)elow the sod. f'I�\'�'�,,,,,f,'N � �,`_l C K�:�"I �
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<br /> ' T'opsoll Analysis: Furnish a soil onallysis made by a qualified independent soil-Jesting agency � I
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<br /> ,,, ,v Anti-Desiccant: F-r-nulsion type, film-forniing agent designed to permit transpiration, but retard ! AY ; KH :
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<br /> 2.6 vAL4E BOX, Ther moplostic, Size as required for access; maximum of 'Iwo valves per box, ,,�Wting percentages of organic matter, inorganic matter (silt, cloy, arid sond), deleterious excessive loss of moisture from plants, Deliver in manufacturer's fully identified containers ��Jo) �r±.OING NEW LAWNS 11�, I I
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<br /> �riatericl, pH, ard mineral arid plant __ nutrient content of topsoil, and mix in accordance with manufacturer's inst'ructions, E �ow seed with a spreader or seeding machine. Do riot broadcast or drop seed 'When wind " 1) "I 11 - 11 I I—- . -1111,--- I ------------11�
<br /> I, le plontinq material. State I 1 11 F 1v `��,I) I
<br /> 2�� VAt_vE COVER AND FRAML.: Thermoplastic snop--top lid with provision for locking, Report cutability of topsoil for growth of applicob , Wrapping: Tree,.-wrop tape riot less than 4 inches wide, designed to prevent borer damage velocity exceeds 5 mph (9knn/h), Evenly distribute seed by sowing equal quantities in two 1 - ''I :
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<br /> recommended quantities of nitrogen, phosphorus, and potash nutrients arid any ond winter freezing. directions at right ongle to each other, �
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<br /> I Irnestone, clurninurri sulfate, at- other soil amendments to be added to produce a .). `takes and Guys: Provide stokes and deadmen of sound new hardwood, treated softwood, or i
<br /> �ul AUtOMATIC CONJROL SYSTEM I Do riot use wet seed or seed that is moldy or otherwise darnaged in transit or storage. � �
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<br /> A, As indicated on the drawings. 'j"isfactory topsoil, �edwood, free of knot holes and other defects. Provide wire ties and guys of 2 strand, -, ')I ON seeds per rates found on drawings,
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<br /> ), Mk-d,-,,,,dments: Measure trees find shrubs according to ANSIZ60.1 with branches and trunks twisted, pliable galvanized iron wire, not lighter than 12 go� With zinc--coated turnbuckies. �;, Rake seed lightly into top 1/8 inch (3 rnm) of topsoil, roll lightly, and water with fine spray. i :
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<br /> 2,i � Ji-ainage Bockflll� Cleaned gravel or crushed sturre, graded frorn S' maximurn to 3/4" irrilrurrium. ,)( canes in the'r normal position. Do not prune to obtain required sizes. Take caliper Jfovide riot less than 1/2 inch diameter rubber of plastic hose, cut to required lengths and 1� Protect seeded slopes exceeding 1:4 against erosion with erosion--control blankets installed and I
<br /> , 'neosurernents 6 inches (150 trim) above ground for trees up to 4-Irich (100-ri-im) caliper idartiong, I
<br /> I I, ,)" uniform color, material and size to protect tree trunks from damage by wires. ,topled according to manufacturer's reconimet �
<br /> 2� �2 WARRANTY ,ize, and 12 inches (300 trim) above ground for larger sizes, Measure main body of tree or 1� -Irotect, seeded slopes exceeding 1:6 against erosion with jute or coir--fiber erosion--con trol mesh I
<br /> A. Warrant irrigation system installation and materials for one year from date of substantial ,nrub for height and spread; do not measure branches or roots hp--to- tip. !OH' -ecornr and tions. �
<br /> _ !�J SOIL Installed and stapled according to manufacturer's i n a ;
<br /> Cory.)pleti on. __� 'reinstcfllotion C�nference: General Contractor to conduct conference at project site for A� Topsoil: ASTM D 5268, pH range of 5�5 to 7, 4 percent orgoniC material minimurn, free of 1. -Irotect seeded areas with slopes less than 1:6 against erosion by spreading straw mulch after I
<br /> ,)�ontjnq coordination to verify compliance with requirements of project plans and local ,,stones 1 ;rich (25 rnrn) or larger in any dimension, and other extraneous rricterials harmful completion of seeding operations. Spread uniformly at a minimum rate of 2 tons per acre (45 i
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<br /> -`Ar�1 ,� FXECUTION :urisdiction responsible for approval of the planting conditio to plant growth, I
<br /> 1. Topsoil Source: Reuse surface soil stockpiled on the site. Verify suitability of surface ,ly per 100 sq. m) to form a continuous blanket 1-112 inches (38 min) loose depth over I
<br /> 3.� EXAMINAHON 1") �c_L,ivLt�`(, STORAGE, AND HANDLING soil to produce topsoil meeting requirements and arnend when necessary. Supplement ,�eeded areas. Spread by hand, blower, or other suitable equipment. I
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<br /> I Anchor straw mulch by crimping into topsoil by ,suitable mechanical equipment.
<br /> A. Investigate and determine available water supply ,voter pressure arid 'low chcructeristics� " I i
<br /> J I � ,A, Packaged Moteriiis: Deliver packaged materials in containers showing weight, analysis, arid with imported topsoil when quantities are insufficient, Clean topsoil of roots, plants, 1
<br /> norne of rnonufccturer. Protect materials from deterioration during delivery arid while stored -iods, stones, cloy lumps, and other extraneous materials harniful to plant growth, �
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<br /> — ,�Lr_ANUP AND PROTECTION
<br /> 1�, � at site. -1. �opsoil Thickness: A, During landscaping, keep povernents clean and work area in an orderly condition. I
<br /> Id, ,\, Set stakes to 'identify proposed sprinkler locations. Obtain Owner's approval before excavol:ion �3. Seed: Deliver seed in original seGled, labeled, arid undarnagcd containers. j. Sod Gross: 6 inches. B. Protect londscoping from damage due to landscape operations, operations by other contractors i
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<br /> �_� -, �rees and Shruts: Deliver freshly dug trees arid shrubs. Do not prune before delivery, b. Planter Beds: 12 inches. ,, -ing installation end maintenance periods. 11
<br /> I , and trades, and trespassers Maintain protection out I -
<br /> V) I_15 -_ARFHWORK except as approved by Owner. Protect bork, branches, arid root systems frorn sun scald, .1, Curb islands: 18 inches. I 11 -11, I I 11 I
<br /> C) reat, repair, or replace damaged landscape work as directed. �/, ( I [ i � -1`1 , I'll
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<br /> W A, Excavation, trenching, ,arid backfilling specified in Division 2 Section "Earthwork." drying, sweating, whipping, and other handling and tying darnage. Do not, bend or bind -I� i-_, l, , �
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<br /> B. Underground warning 'lope instoilation specified in Division 2 Section "Ecirthwork." ,fees or shrubs 'In such a manner as to destroy natural shape, Provide protective covering � � �"ND Ji- ,,�)r_(JION 02900 1 1
<br /> ,:-� ,�uring delivery. Do not drop trees and shrubs during delivery. A, I...irrie: ASTM C 602, Class f, agricultural liniestanot containi'tig (i mininiulln 80 percent Calcium I I
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<br /> 1 lil�4 W 1� Immediately after digging bare-root stock, pock root system in Net straw, hay, or other Carbonate equivalent, with a minimum 99 percent passing a No� 8 (2,36 nirn) sieve arid a l
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<br /> _1,_ A, Cutting and patching of aspholt paying is specified in Division2 Section "Hot- Mixed Asphalt suitable material to keep root systern moist until planting. ; -neter) sieve. i SPECS
<br /> __ -_ mininnum 75 percent passing a No, 60 (250 micror
<br /> co Paving." �� -iu,,,;,e balled ord burlopped stock by the root bell. -3, ,Pect Humus: Finely divided peat, so completely decomposed arid free of fibers thot its i
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<br /> ,"I __- Jeliver trees, sh,ubs, ground covers, and plants after preparations for planting hove been oVogicol identity is lost, Provide In granular form, free of hard lumps and with pH range i
<br /> (n 3� ,Cutting and patching of concrete paving is specified in Division2 Section "I"'ortlond Cernent � I :
<br /> C."T, Concrete Paving." completed and iistall Immediately. If planting is delayed more than 6 hours after delivery, suitable for inlended use, �',� ,,, ,
<br /> �C� I � -,et planting materials in shade, protect fronn weather and mechanical damage, and keep roots I I I I I 11 111- I - - I I-,,-,- -,
<br /> ZI? 1 � nstall piping in sieeves where crossing sidewalks, roadways, parking lots, end railroads. '). Vulch: Afive (5) pound sample of mulch sholl be submitted to Architect prior to delivery to I
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<br /> I., i install piping sleev xi I � -11 I
<br /> . es by boring or jacking under e isting paving, where possible. 110ist. siie� Mulch shall be free from deleterious materials and suitable for top dressing of trees, I
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<br /> C-)I I - 1� Heel_ln bare--root stock, Sook roots in water for 2 hours if dried out sn'rUbs, or plants. � I
<br /> E lc'� 1, -,tock on ground and cover ball with soil, peat moss, sawdust, or Other , i i
<br /> .- D - Set boiled s 1.� .,ommercial Fertilizer: Complete fertilizer of neutral character, with some elements derived I �
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<br /> �s "-, ucceptable material. 7iom organic sources and containing following percentages of available plant nutrients: i
<br /> ,�� :!5 time of planting, i
<br /> �,,� �, Do not remove contalner-,grown stock from containers before 1., For trees arid shrubs, provide fertilizer with not less than 5 percent total nitrogen, 10 i
<br /> >1� I CD �, Noter root systems of trees arid shrubs stored on site with a flne.--mist spray. Water I
<br /> - ('7), percent available phosphoric acid and 5 percent soluble potash. I
<br /> E CX-I �:: os often as necessary to maintain root systems in a rnoist condition. 1, For !owns, provide fertilizer with percentage of nitrogen required to provide riot less than i L302 ,
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<br /> -c.-: C") ;�s � � pound actual nitrogen per 1,000 sq. Ft. of lawn area and not less than 4 percent i
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<br /> (1) ,)hosphoric acid and 2 percent potassium. Provide nitrogen in a form that will be
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<br /> �3 C,q C5 ivoilable to lawn during initial period of growth; at least 50 percent of nitrogen to be � 24' x 36' I/
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