HomeMy WebLinkAboutDWG 291-4L; PE 2.88.34; ENCINA POWER PLANT; 01-05I
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PRESSURE LOSS IOR CONTROL VALVE NO. _ _,,Co:.._
I ,. PPJ£SSIJRE REG, 41 . 11:\'Flifl IUil'l BR @ , \? (., G . P . M .•..•
I Y+ • -BAC)(FLOW PREVENTER ... -> ... •.~.. /() ~99
__ FT. Ol"" __ MAll,ISl.ffl.'(PIPE ..•. •··--'---
__ F:'. Of PVC CL 315 MAIN.---'---. ZfQ fT. or· Z,:1 PVC ~l\"-0 "t0MAIN ••
/,/~ ~-~1-,,.,~• CONTROL VALVE.• •....... , , ••••
LATERAL LINE FRICTION LOSS (FIXED). l> -00
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FITTINGS (20\ TOTAL MAIN LOSS)..... 0.b]
SPRINKLER HEAD OPERATiNG PRESSURE.. 30 .OQ
ELEVATION -LOSS OR GAIN ...... ,, .•• + 4.73
MISCELLANWUS (FIXED) ••• ,,,,,,,,,,. 5-00
TOTAL' PRESSURE REQUIRED FOR _ , ~
PROPER OPERATION ••••••.••.••.•.•••• _§j_:.J_L
PRESSURE L0°SS FOR CONTROL VALVE NO. __
___ G·. P. M .••• , _ _,:.__::_
__ • BAC)(FLOW PREVl?NTER ... ->., ,•;•. ·---''---
__ FT. Of __ M'IO,l Si.ffl.'( PI PE ... , • , --'---
__ FT. OF __
__ FT-, or __
PVC CL 315 MAlN •• _-"'---
PVC ~I\E.0 "t OMA IN •• ---''---
" .CONTROL VALVE ••••...•.• , ••• ·----''--~ --LATERAL LINE FRICTION 'LOSS' ( FIXED) • _ _,&"---"'00.,_
FITTINGS (20\ TOTAL MAIN LOSS), •••• __ :___
SPRINKLER HEAD OPERATING PRESSURE,. ___ _
ELEVATION•-LOSS OR GAIN,,, .. ,,••••--'---
MISCE'Ll,ANEOUS (FIXED)••····,·,··• .-._~5.._.""QO.._
TOTAL PRESSURE REQUIRED FOR
PROPER OPERATION, ••••••••••• ····•••--'---
PRESSURE LOSS FOR ~ONTROL VALVE NO. __ ~• • .__ . . . WATER METER @ ___ G,P.M,,, ,.,_,,:_-'.
__ • . JIACJ<,FLOW PREVENTER, •. :-.• ,•;•, • ----''---
__ FT. or __ MAIi.\ 5m'\.')'PIPE,.' ''. ----'--
__ 'f'·::'. OP: PVC CL 315 MAIN.'---'--
__ FT.. OF· PVC $CI\E.D -"!0 MAIN, , ---''---
__ • CONTROL VALVE, , •••••••• , , ••• ---''---
LATERAL-LINE FRICTION LOSS ( FIXED) . s.oo-
FITTINGS (20\ TOTAL MAIN LOSS) .•.• •--'---
SPRINKLER HEAD OPERATING PRESSURE.'---''---
ELEVATION -LOSS OR GAIN,, ••••.• ,,·---''---
MISCELLANEOUS ;(FIXED),,,,, ••••• ,., ·-~5,..;-:,,00,._
'IV"I'!'•.~ ?"'"'"''SURE REQUIRED l"OR
f-.il.:· ~-i.:.~~ 1~.H~ C:k.AT ION ••• ,. .••••••••••••••• ----'----
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WASTEWATER FAC.IL\T'/
"DECLARATION OF ARCHITECT OF WORK"
I hereby declare that !he desigr. of ,he improvements as shown <>n the .. , plans compliet
with professional standards ana pcactices. As tl,e Landscape Architect in responsible charge of
the design of these improwrnc:11 ,. I assume full responsibility for such design. I under<tand 1,nd• ..
acknowledge that the plan check of these plans by the City of Carlsbad is a review for the Jirrjted"·
ptirpose of t!ruuring that the plans comply with City procedures and other applicable policies; and -"
ordinances, The plan check is nor 3 deremunation of the techuical adequacy of the design of the
improvements. Such plan check does not, therdore, relieve me of my responsibility for the design
of these improv~me"'nts.
As Llmdscape A:n:hitec, in responsible charge of the design of these improvements, I ap-er
to indemnify and save the City of Carlsbad, its officers, ng~:m, and employees hannless from any
and all liability, claims, c~mc1;,•s c,r i.i:juries 10 any person or property which might •rise fror.,
the negligent acrs, errors 01 omissions "f the Landscape .Architect in responsible charge of !ht
design of ·rhese i.I1.1rn,1\.·e1n~nrs. my f~m_..·,loyee:s, agents m. ron:rnlrn.nts.
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! .ic eP..se No. Date
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Address Phone
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NOTE:
Please requil-: the ir1cJu.'>i1);1 :-if rhi:-~ nbove on all plan~ ched-:~•<l ilnd ,;ubmiucJ to the, Ciry t :;r
approval.
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DATE: AUG. 15'1 l'i\11~
REV: OCT. 231 lffl
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DATE: A_U,;. I~ Jctt,
REV: OtT, 2'51 It~
NOV, 21-, 1'H
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.. . lncludts aH labor, rrl,ll .. l~,, ti.'!~, ,Ind fll~lr:,merrt sp9dfitd Or lneidltr#llil,
nece11~11ry to fully complete all work of 1mgat1on installation as shown on the Drawings.
San Otego Gas & Electric Company will be responsible for providing 110 v electrical
to the controllers. See plan for electrical notes.
:2.00 GEN!AAL
2. 01 Compfeten• and OC'il'Nlltlt;,iltw:
A. The i~hint of this Specificatlcn Is le!> obtain a ,tomphtte 9')rll'lkt.er
1rrigat1~n system, ready to operate. having all components
corn_pallble, connected and tested for dependable operation.
Review and approval of shop drawings. brochures or samples
shall not relieve Contractor of such responsibility.
!. Due to the _scale of the Dr!lwings, it is not possible to l•ndleate all
offsets, fittings, sleeves. etc., which may be required. After
carefully investigating the structural and finished conditions
affecting work under this division furnish all such fittings as may be required.
C. Drawings •~• teneratly dlagrammaflc a-nd indicative of the work to
be installed. Install all system elements in the most direct and
workmanlike man_ner. so that conflicts between irrigation systems,
planting and architectural features will be avoided.
D. Install all main lines and valves outside fenced area
2.ot Dl11_crtpanci1s and _cqanats: Contractor shall not wil'lfully instatt ti,e
sprinkler system as 1nd1cated on the Drawings when it is obvious in the
field that th_ere_ are unknown grade obstructions, grade differences and/or
d1screpanc1es in area d1men~ions until such conditions are brought to the
attention of Landscape Architect or Owner in writing and written approval
for required changes has been obtained.
2.03 Factor.¥ Testing.: Except as otherwise specified, factory tests arid
1nspect1ons for materials and equipment for which standards and
performance crit~ria have been specified will not be required, provided
that cert1t1ed copies of factory test reports {which include manufacturer's
statement of conformance with all requirements of these specifications)
are approved by Landscape_ Architect.or Owner For commonly accepted
standard materials that are 1dent1cal with those specified. test reports on
1dent1cal previously manufactured products may be adequate.
:!!.04 ~rrlitta11 and Sw,tltutll)n4: Submit a complete list of atl materials and
equipment proposed for installation under this work. Supply the name of
the manufacturer, the trade name, and the catalog number of the item.
Items completely identified in the specifications and Drawings by catalog
numbers, trade names, model numbers and which Contractor proposes
to furnish may be. listed "As _Specified" without further description.
Quant1t1es of materials and equipment need not be included as these are
Contractor's responsibility.
Landscape Architect will d•t•ermine the eciuality of th♦ material,
equipment or method and Landscape Architect's decision will be final.
2.05 fu!.1.._ord "As Built" Otawings: Indicate piping layout. and show on the
transparencies the exact as-built arrangement, including locations of all
valves, existing tees for future use, remote control valves. the station
number which actuates each valve, and the location and number of wires
from ?Ontrollers to remote control valves. Locations shall be shown by
the triangular system of measurements from easily identified permanent
features. such as buildings and wall. .
2.0e Guarantees: Repair any pa~ that may develop defects clue to faulty
materials or workmanship during the tests and within a period of one ( 1)
year after the work is accepted, including repair to p,avement, walks, or
other surfaces which may result from settlement of trench backfills.
2:07 $erviee Ma,nuals: Furnish two (2) service manuals Manuals may be
loose. leaf and contain exploded drawings of all equipment installed
showing components and catalog numbers together with the
manufacturer's name and address. Additional sheets shall cover
operation instructions simple enough to be understood without
specialized knowledge,
2.08 Keys am:!, Wrenches: P'rovlde following keys an(1 wrenches: four (4)
wrenches for each type of sprinkler head instaHl!!d; four (4) keys for hose
b1bbs; four (4) keys for any other items requiring keys.
2.09 Established Grades: Carefully note all established gracfes before
commencement of work. Restore any established grade change during
the course of this work to original contours.
2. 10 1:;:ae1n·up and S\lrplus Eart!:l: Clean up entire work area and dispo1e ot
surplus earth and other debris related to this work off the site.
:too M\4,T!Rl&,5 ANO EOUlF'MEN!
3.01 ~: Materials turl"lltl'lef under this speeilie1l'IOt'l tl'latt bt
standard products of manufadurers regularly engaged in the produdion
of such materials and shall be the manufacturer's latest standard design
that complies with the specification requirements.
3.02 f!m,c Pipe:
A. All pl'IIIMIC r,ljff 1hlH be marked Will a l'Hlllt, eleltl'I llllnd ,-rm•ntnt
surface marking specifically idllntifying the manufacturer by name
or trademark, pipe size, class or schedule, and type of pipe, and
shall bear the National Sanitation Foundation seal of approval.
I. Plastic pipe shall meet or exceed the following performaMce
specification:
4.00
C.
0.
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1.
2.
MMQM lut: °"9 t•lnllh ,..._ ,n1H ti. eai:,1bl• of
Immersion in H.5% pure anhydrous acetone at 73°F for a
period of fifteen ( 15) minutes with no visible exterior surface
changes, except slight swelling.
Flattenlno T•st: Another 2•lMch s1mi,tt ot finished pipe
upon flattening between two parallel plates to 40% of the
outside diameter shall exhibit no evidence of any splitting,
tracking or breaking as a result of this test. I The test shall
be run at 730f, and the flattening rate shall be uniform an(1
within a maximum time of five (5) minutes.
F'tullc lateral dead lines: PVC 1120, c1mss 200.
Plastic main pressur• lines: PVC 1:l!2Q, Schedl.lle .«>, 41'0 psi,
ASTM D 1785. .
u1t14 thre..i</4-d /'J'!f-,119s .r/4a/l k Scl,,40
All solvent wtld~fl!!tlMS: Same type and grade material used in
pipe: shall be fug' impact molded fittings, withstanding three (3)
times pipe's rated pressure. Molded reducing fittings to be used in
place of reductions by use of bushings.
80
Tl'lrtadtd plastic pioe, 0J1stlc ris1ra: FVC 12:ro, Sel'l«lul• 4Q.
Contractor to note that threaded plastic pipe includes fittings at
well.
'oCI
All risers for sub!u.Tfaee lnstan•atlons: F>VC 1220, SehedUle -4'l.
3.03 .u.nim1: Brass, instatled with brass equipment and brass p.ipil'lg, 125-ob.
cast brass, brass to brass seat. threaded ends.
3.04 Gate valves: All brass.
:mi.1 ~l'!l.bm
Crane 4313
Jenkins :S70
Kennedy 427
James JOl'let J-375
3.0S Vatve boxes: Brooks No. 9 (CJ.) or equal for gate val'ves and l!r~s No.
33-T or equal for remote control valves, on11 valve per box. Cast iron
covers marked ·water·.
3.011 Threaded lu.~gnts for Qlastic to mttl connections: Non-hardenln;
pipe dope, such as Permantex #2.
3.07 Hose bibbs: l!lrass loose key OJt>erated type.
3.08 Sprinklar heads: AA specified in Irrigation Legend on Orawlnp.
3. 09 f\_e_,rnQte control valves ltlectriclli!.}: Diaphragm type l'IOrn'lally closed, with
solenoid control device (24 volts, 3.5 watts), flow control adjusting stem,
removable strainer, and built-in regulator to automatically control closing
time, manual bleed cock, and constructed of 150-lb WOG-class brass.
Valves manufactured by Rainbird Sprinkler Co., or equal,
3. 10 Autcmltki controllt!J:
A. Electrically timed 111,-.iices for autrornatically openiMg a,nd etoslng
automatic control valves.
IS, Operate on a single phast, 115 volt, eo cycle, alterMa'ling OU(re11t,
containing an 'OFF" and ·oN· switch to shut off entirl!I automatic
watering cycle without interrupting the timing mechanism.
C. Enclosed in weather-proof corrosion-resistant metal housing
having locking cover(s) to protect all adjustments and breakable
equipment from vandalism. Pedestal mounting PED 16 -24/32.
D. Fourteen (14) day. twenty-four (24) hour time clock: switch for zero
watering time. conform to Class 2 NEC n~quirements and UL
approved.
E. Shall be 7 slatfo1n Fla+n•blrd Mod•I PIC• 7C .electromech1nic11
Provide three (3) keys to owrler.
!. 11 Controt wire: Copper direct-burial tyr,., sized per requirement 'by htngth
as recommended by valve manufadurer Minimum 12 gauge.
3.12 l:l..lK:kflow Preventer: l!lronze body reducad pressure principal assembly
with gata-type, resilient-seated shut-off valves and ball valve test cocks.
Corrosion resistant internal parts. Device shall automatically reduce th•
pressure in the ·zone" between the check valves. Should the differential
between the upstream and the downstream of the unit drop to 3 p.s.i.,
!ha d1fferent1al rehet valve shall open and maintain the proper differential.
B?th check valves and the differential relief valve shall be serviceabl•
without removing the device from the line. Reduced pressure vacuum
backflow preventer shall be Rainbird Model RPA-150-R, or equal, and as
approved by the County of San Diego.
3. 13 l'iltJJ!Jt'/er ?avil:u:i: Plastic sleeves or dlr.et burial pif;:le for electrical
Wiring including control wiring and irrigation lines under paving shall be
Class 1220 Schedule 40 PVC piping or better SDG&E to provide
sleeves for wiring to controller under paving and wall foundations.
3.14 frt1sJ).JrL!3,1~,1,1!.ato(: WH1dns #600, or equml, one ineh (I") brass with integral strainer.
liNSTALLATIQM
4.01 .Giin,ral Pleoui1r1ment1:
A. AU concrete work to be cemptet4M!'I !l'le_,., walkway•. mowstrlps,
etc.) adjacent to areas to be irrigated and obtain approval of such
from Landscape Architect and Construction Inspector before
laying out irrigation lateral lines, valve boxes, heads, etc.
downstream from the main supply line.
C,
0.
~rovid_e Cless 1220 schedule 40 PVC sl1nv•• m1,riil'llul'ri two (2)
inch diameter larger than pipe for irrigation lines as indlcated on
the Drawings for pipe _under paving subject to truck access. Cap
as _required to keep pipe free from debris. Pipe to be installed
1ns1de sleeves before backfilling. Top of sleeves to be 3'-0" below
finished grad,. Sleeves and pipe to be installed bSDG&E.
Us, dieleetrl:e buthlngs 1n any conneeti.()nl with plplno Cf
dissimilar metal materials.
Oo not cover any llmts untH , have ~ ll'l~t•d and·
approved by Construction lnspeo!or.
4.02 Excayatien •Od !!lackf!nlng Qf Tr1nche1:
A. Excavate trenches for Irrigation pipll'lg with straight sides to the
bottom and uniform grades on the bottom.
$. Provl_de the. following minimum cover, measured from the top of
the pipe to finish grade:
c.
Plastic main pressure li11e •-······-··-·-------·-··-18 inches min.
Plastic lateral dead line•·-···-··-·······-···-----•·-12 inches min.
Control wiring and sleeves-···-·········-···-··--18 inches min.
Sleeves or lines under drive ·--···········-··----24 inches min.
Trenches shall be of sufficient size to allow a minimum of four (4)
Inches betweel'I pipes within the same trench and two (2) inches
from sides of trench.
~ackfill trenches with four {4l Inches of approved dver sand on all
sides of pipe funder, around and on top) and excavated soil, free
from rocks or clods greater than four (4) inches, above sand.
compact by power compactor until 90% compaction has been
achieved in the subgrade and 80% in the topsoil layer.
4.03 Installation of Plastic Piping:
A. Pipe Clearans;;e~; Maintain a four (4) Inch minimum horizontal
clearance between pressured lines in the same trench and a two
(2) inch minimum vertical clearance between lines which cross
ove_r one another. No lines shall be laid within twelve (12) inches
horizontally of another existing or new electrical sewer or
telephone line. ' '
e.
c.
Pro~on of Piping: Carefully inspect all piping before and a tter it
is installed. Defective pipe will be rejected. Insure that the interior
of all pipe and joint surface are clean and free of foreign matter
before the pipe ts Joined. Proted pipe from nicks or scars with
padded jaws in_ vises and strap wrenches in threading and
installing pipe nipples. Cap or plug open ends of pipe when
unattended.
Cuttin...Q . ..ElJ21: EMsure square cut. Remove burrs at cut ends prior
to installation so that a smooth, unobstructed flow will be obtained.
Before welding pipe together, apply pre-cleaning P70 primer as
manufactured by Industrial Polychemical Services (trade name:
Weld-on) or equal.
0. g_xpansion .llnd Contraction Control: To corltrol expansion and
contraction install PVC pipe loosely in trenches in a curvilinear or
"snaked" manner {rather than straight). Avoid abrupt changes in
grad_e or unsupported areas which might place excessive stress
on pipe sections or joints
In_ trenche~ where the pipe temperature exceeds 900f, cover pipe
with a_mm1mum of six (.6) inches of loose backfill for a period of
forty-eight (48) hours prior to applying pressure for the hydrostatic test.
E. Plast19 to Plastic Joints: Provide solvent weld Joints us11'1g only the
solvent and installation methods recommended by the pipe
manufacturer. Make any necessary arrangements with the pipe
manufacturer for any field assistance. The Contrador shall
assume full responsibility for the correct installation.
F. F'1astlc to Metal Joints: Provide plastic male adaptors. Coat joint
with 'Form-a-gasket", or equal.
G. Insure that e)(cessive solvent does not cause a burr or obstruction
on the interior surtaces of pipe or joints.
4.04 lnstal'lation of Metal Pipina: Cut metal piping to ensure square cut. Ream
and remove rough edges so smooth and unobstructed flow Is obtained.
Carefully and smoothly place thread lubricant on male thread only and
tighten screwed joints with tongs and wrenches. Caulking will not be
permitted.
4.05 Installation of Gate Valves and StQas: Install in location!I indicated and
detailed with stems set plumb and accessible for use. Insure that
interiors of valves are clean and that valves are accessible for servicing.
4.06 !.!ll1!'1!1atloo of Hose Bibbs and Sprinkler Heads: Install in locations
indicated on the Drawings, plumb at grade. Heads shall be set to gain
maximum throw of spray pattern.
4.07 installation of Control Valves: Install in locations shown on the Drawings
adjacent to paving. walks and curbs as dimensioned on detail sheet. Set
vertical with manual control stems easily accessible in valve boxes.
4.08 Installation of Control Wir.e:
A. Provide one control wire with a common ground wire to service
each valve in system. Provide three (3) foot minimum expansion
loop at each valve as indicated on the Drawin9s.
e. Install wires a minimum of eighteen ( 18) inches below finish
grade. Install either below irrigation lines in common trench
(minimum of six (6) inches below pipe) or below a continuous one
( 1) inch by six (6) inch redwood board. Install wires in minimum of
three (3) inches sand all sides.
C. Bundle wires and tape at six ;(6) feet maximum on centers with
PVC tape.
D. Install control wires 111 sleeves when under paving, walks, or other
hard surtacings, minimum one (1) inch diameter. Class 200, PVC.
E.
F.
Make connectloMs to control wiring within the housing of the
controller or at the valves with ·pentite· or ·scotchpack·
connectors. Seal ·scotchpack" connectors in epoxy resin and
tape with electrical type.
Control wire splices shall be permitted only on runs of more than
three hundred (300) feel and at terminal points. Seal
"Scotchpack" connectors in epoxy resin and tape with electrical
tape.
5.00
,._ 09 comc0H1ra:
A. Install on exlttlng walls or as showM' 11hd/or detailed on the
Orawings.
B. Clean, patch and/or repaint any structures damaged during the
Installation of the controllers.
C. Connect each valve In sequence as indicated on the Drawings.
D. Provide a "Key Plan· ol'I Inside face of the door for the control
housing showing the area covered by each station. The plan shall
be a reduction of the original irrigation plan legibly drafted and
completely covered with a protedive plastic cover.
4. 10 ln$h!Uatlon of Valve Boxes and Pullp~: Set boxes two (2) inches
above grade in planting areas. Set flush with grade when installed
adjacent to hard paved surfaces. Provide boxes with proper support and
extensions to prevent settling. Locate valve boxes in planting areas
unless otherwise specifically noted on the Drawings. Valves to be set in
parallel order, evenly spaced maximum 3'-0" distance apart.
4. 11 ln_st!1llalion of Thrust Blocks and Footing,s: Place on ninety percent {90%)
minimum compacted or undisturbed sub-grade, and properly construct to
shapes specified. Tool finish exposed surfaces. Thrust blocks are
required at all changes of direction of pressure lines 1 112· or larger.
4.12 Flushing of System: After all sprinkler piping and risers are in place, but
prior to the installation of the sprinkler heads, a full head of water shall be
used to flush out the system in the following manner: Cap all risers; open
control valves to full head of water; uncap riser nearest to control valves
for thirty (30) seconds and then install required sprinkler head: uncap
next riser and repeat flushing operation; continue procedure until the
most distant riser in the battery has been flushed and the head installed.
4.13 ~riU:ation of Waterlines: Sterilize all waterlines upstream of backflow
preventers and all existing domestic waterlines opened during this work
for a minimum of twenty-four (24) hours: water test in conformance with
AWWAa C601 before placed into service.
TESTJNG ANO ADJUSTMENTS
5.01 Pressure Tests:
. A.
8.
c.
~eneral: All ~ater piping and valves shall be tasted before piping
1s covered: P1p1ng may be_ t~sted in logical segments to expedite
work. During the tests all Joints and connections shall be visually
exposed. Joints shall be set at least twenty-four (24) hours before
commencement of the pressure testing. Provide all plugs, valves,
pumps, and recording gauges necessary for testing lines. Submit
records of an tests to the Landscape Architect and Construction
lnspedor. Make corrections to piping and joints as "required to
meet test requirements using materials as originally specified for
construction. The Construction Inspector's approval of all
pressure testing is required prior to covering of pipe
Pressure Piplna System: Subject to a hydrostatic pressure test at
125 psi. Allowable pressure drop over a one (1) hour period is 5 psi.
Non-Pr,ssure Piping System: Subject to a hydrostatic test at
125 _psi. allowable pressure drop over a one ( 1) hour period is 5 pst. Cap all risers during test.
5.02 Coverage Test and Adlustmeots: Test the entire system for coverage in
accordance with the design r_equirements under normal operating
pressure. Adjust heads as required to fully cover all planting areas and
throw away from buildings, windows, cars, paving, etc.
5.03 Automatic Controller Test: Test automatic sprinkler controllers for
fourteen (14) days just before end of maintenance period. Entire system
shall_ ?perate _automatically in m~nner indicated on Drawings and as
spec1f1ed herein. Instruct owners representative or anyone designated
by him on use and ad1ustment of automatic sprinkler controllers during
fourteen (14) day test period.
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•
DIVl~ION 2 PLANTS ANO PLANTING
1.00 SCOPE OF WOf'IIK
, Includes all labor, materill.ls and equipment necessary to complet• all
pl~nt1ng W?ri<, soil ~mendmenl application and integration into soil, soil preparation,
f1rnsh grading, planting, fert1llz1ng, clean-up and any other items indicated on Drawings
and as herein specified.
2.00 GENEF\AL
2.01 Submjttals aM Substitutions: Shop Drawings, Samples, Alternatives;
submit a list and manufacturtr's product literature for soil amendments
fertilizers, seeds, etc., or samples if no product literature is available. '
2. 02 1nsp11ction1:
A Inspections by th• Landscap, Architect or Owner wiH be required
for each of the following parts of the work:
1. During preliminary grading and soil preparation.
2. At completion of finish grading.
3. When shrubs and trees have b111en staked for planting and
when ground cover and shrub areas are clearly marked
prior to excavation of plant holes.
4. When planting holes for trees and shrubs have been
prepared.
5. During planting operations including mixing and placing of
prepared soil backfill for plants.
6. During application of surface fertilizers.
7. At completion of pre-irrigation and weed eradication
operation.
8. When 11111 plant installations have been c:ompl@ted.
9. Final inspection 1111 completion of all installation and
construction work.
I. Norm~I progress inspections shall be requested at least three (3)
days in advance of an anticipated inspection, The Contractor will
not be permitted to initiate the succeeding step of work until he has
received approval to proceed by the Landscape Architect. or
Owner The Contractor and/or his Foreman shall be on the site at
the lime of each inspection.
C, Plants shall be subject to inspection 111nd approval by the
Landscape Architect or Owner at the place of growth and/or upon
delivery for _quality,. size, and variety. Such approval shall not
impair the right of inspection and rejection at the site during
progre~s of work for size, condition or ball or roots. latent defects.
o~ 1n1unes. Reiected plants shall be removed immediately from the
site, unless otherwise directed by the Landscape Architect.
2.03 Certificates and Notice of Delivery of MJ1t~rials: Submit to the Landscape
'.°'rch1tect or _owner duplicate signed, legible copies of certificates and/or
1nvo1_ces statmg the_ wade, amount and quantity of •each item for all soil,
fertilizers. soil c1;>ndIt1oners, seed, plants and other materials. Notify the
Landscape Architect or Owner In advance when all plant materials are to
be delivered to the site.
2 04 l,.ayout of Work: it is the Contractor's responsibility to identify ground
cover and s_hrub areas_ line of demarcation, spot trees and shrubs for
approval pnor to planting. Mark ground cover and shrub areas with
agricultural gypsum; stake trees with any readily identifiable stakes by
color coding (to be identifiable at 50·.o· distance).
2.05 Guarantees and Replacement1:
A.
B.
c.
D.
All shrubs shall _be guarante,ed by the Contractor as to growth and
health for a period of sixty (60) days after final acceptance by the
Owner.
All trees shall be guaranteed by the Contractor to live and grow in
a healthy acceptable upright position for a period of sixty (60) days
after completion of the final acceptance by the Owners.
Within fifteen ( 15) days of written notification by the Landscap,
Archit_ect or Owners remove and replace all guaranteed plant
materials that. for any reason. fail to meet the requirements of the
guarantee.
Replace with plant materials indicated or specified for the original
planting, _and guara~tee such replacement materials as specified
for the ong1nal materials, without cost to the owners.
2.06 So.ii Tests: A soil sa':'ple shall be taken following grading activity and
analyzed by a certIfIed plant and soils lab for the purpose of soil
amendment recommendations.
3.00 MATERIALS
3.01 Soil condition•ts
A. Mulch: To bl furnished and delivered to site by SDG&E.
B. Agricultural, Gypsum: Standard commercially packaged gyr,sum
CA S04 • min. 20% CA; at 200 lbs. per 1,000 square feet.
3.02 .S:9iLMi2r (For shrub and tree backfill) One (1) cubic yard of Soil
Conditioner as described above (item A under paragraph 3.01) to three
(3) cubic yards of existing soil fully integrated as specified herein.
4.00
,3.03 Commercial Fertilizer: 12-12,12 at fifteen (15) lbs, per 1,000 square feet
1115 manufactured by Best Fertilizer Co. '
3.04 Superphosphat1: Single superphosphate o1 19% phosphoric acid
delivered on site in original containers. '
3.0!5 Fe_rtiliz•~ Tablets: __ 21 gram each by weight, commercial grad••· and
urnfor'.11 In composItIon and dry. Deliver to the site in original, unopened
cont_a,ners, bearing the manufacturer's guaranteed analysis. Any
fe_rt1l1zer that becomes caked or damaged, making it unsuitable for use,
w,11 not be accepted. Nitrogen to be primarily of urea-form base.
Nitrogen
Phosphoric acid
Potash (soluble)
I ,on (meta Ilic)
--------------------20% minimum
--------------10% minimum
-------------5% minimum
---------------0.35% minimum
3.06 Mulch: Will be provided by SDG&E.
3.07 Superthr.!Yt as manufactured by Ho/'1'11ex, or equivalent
3.08 Plants:
A. Nomenctatur• conforming to custom11ry nµrsery usage.
B. Plant list is indicated on the Drawings. Sizes are st111t1 don the
Drawings.
C. Quality 111nd size of all plants shall be No 1 grade, fre11h, vigorous,
of normal growth, and free from diseases, insects, insect eggs and
larvae, scars and injured bark. Plants to conform to notes on plant
list on the Plans.
0, Al1 plants wilt have been estlllblished with a well-developed root
ball. not root-bound, be able to hold the soil of the container in a
firm ball. and be of a size normally associated with the container
specified.
E. Pruning shall not be done, prl01 to d·tlivery, except by special
approval.
F. Obtain permits or certificates prior. to delivery of plants to site as
required by City, County, State or Federal authorities.
G. Protect plants from sun, wind and rain at all times before planting.
H. Substitutions will not be permitted unless specifically approved in
writing within ten (10) days after bid is awarded.
I. Quantities shall be furnished as needed to complete work on the
Drawings. whether correctly estimated on the Plans or not.
3.09 Staking Materials: (IF METHQSIDERQS SPEC!!;SJSJ.lSED. STAKINQ
IS NOT NECESSAF=tY). KEEF' .. METROSIREROS SHRUB,LIKE, LEAVE
LOW BF'l,,t,._NCHES INTACT FOR SCREENING PURPQSJ;,S
A. Stakes may be one (1) inch galvanized iron pipe, two per tree.
B. Ties to b■ twelve (12) gauge wire threaded through three (3) foot
lengths of rubber hose. Two (2) ties per tree (see detail on plans).
INSTALLATION
4.01 lJiading and Soll Preparation f()r All Planting ~reas (G11netlll
A. Moisture Content. The Soil shall not be worked when the moisture
content is so great that excessive compaction will occur, nor when
,t 1s so dry that a dust will form in the air or that clods will not break
rea_dily. Water shall be applied, if necessary, to provide ideal
moisture content for tilling and for planting herein specified.
El. Preliminary Grading: Preliminary grading shall be done in such a
manner as to anticipate the finish grading. Excess soil shall be
removed or redistributed before application of fertilizer and soil
mix.
C. Loos~n subsoil to a depth of eight (8) inches by ripper or simll111r
~ac_h,nery. Remove stones and foreign matter over two (2) inches
1n diameter. Remove rocks off site as directed. Subgrade to be
established at an elevation to allow for soil conditioner.
0. Integrate all soil conditioners into top six (6) inches by rototilling
two (2) ways. Apply four (4) yards soil conditioners per 1,000 sq.
ft. as specified in Section 3 01 of this Division. Soil conditioners to
be applied per soil test recommendations.
IE. Float or rake to a smooth finish grade.
F. Finish grades shall be two'(2) inches below wall level bahil'ld
retaining walls and one ( 1) inch below paving and curb grades
adjacent to all paved areas and curbs and may have a tolerance
of O 5 inch
If there are no grades shown, provide a smooth and continual
grade between existing or fixed controls (such as walks. curbs.
and elevations at steps or building) and established tops and toes
of slopes. Provide a one percent ( 1 %) pitch on all areas to
maintain positive drainage.
4.02 pr1-lrrigation and Weed Eradicati\2!110r..1'Ianted.Ar!!.u:
A. Before beginning pre-irrigation period, remove alt vegetation by
the roots.
B. Irrigate for a minimum of ten ( 1) days Of untlil a good stand of
weeds has germinated. Apply minimum of five (5) inches of water
over all areas for leaching purposes.
C. Once the germinated weeds h111v, been inspected by the
Landscape Architect, apply a contact weed killer in accordance
with the manufacturer's recommendation. Herbicide applicator to
be licensed by the State of California.
0. Continue irrigation for another week. If any live weeds remain at
the end of the week, reapply weed killer.
E. Allow a sufficient period lo elapse, as recommended by the
manufacturer of Iha weed killer and approvad by the Landscape
Architect to detoxify the area before proceeding with planting
operations.
4.03 Plant Installa1ionJGeM.tll!.l:
A. Plant . all materia! as soon as site is prepared and weather
cond1t1ons are suitable as approved or directed by Landscape
Architect.
B, No planting shall begin until entire pre-irrigation and weed
erad1cat1on operation has been completed and approved by the
Landscape Architect.
C. No planting shall be done until operations In conjunction with the
installation of the sprinkler system provide a water source to all
~ortions of the site (e.g., hose_bibbs within 100'-0" of all plantings),
final grades have been established, the planting areas have been
properly graded and prepared as herein specified and the work
and planting patterns have been approved by the Landscape
Architect.
D. Set all plants so that, when settled, they bear the same relation to
the required grade that they bore to the natural grade before being
transplanted. Plant each plant in the center of the pit and backfill
unles~ otherwise specified, with prepared soil. No soil in muddy
cond1t1on shall be used for backfilling. No filling will be permitted
around stems. Cut off all broken or frayed roots.
E. Relative position of all plants is subject to the approval of the
Landscape Architect, and ~ necessary. relocate as directed as part
of the Contract.
4.04 m,Ja!tation: Ground Cover~
f8!LSbrub Ar.eas Prepared in Similar ManQer):
A. Plant ground covers in areas as designated on Drawings.
B. Prepare ground cover areas including all soil additives in
accordance with Paragraph 4.01 of this division.
C. Apply 60 lbs. of commercial fertilizer, 12-12,12, per 1,000 sq. ft.
and integrate into top two (2) inches.
D. Grade so that finish grade will be one ( 1) iflch below paving and
curb grades. after It has been water-settled. Rake, cultivate, and
float until ridges and depressions disappear and areas are in a
smooth and uniform condition.
E. Plant pot or can stock at spacings Indicated on the Drawings.
F. Smooth soil about plants and leave areas in neat, clean condition.
G. Mulch with one-quarter (1/4) inch prepared soil conditioner.
H. Water with light spray
4.05 Installation: Shrvbs and TritM
A. Stake plant locations and/or spot containers as shown on the
Drawings. Secure approval before excavating pits, making
necessary adjustments as directed.
8. Excavate pits with vertic11I sides for all plants, as directed. Rough
vertical sides with crow bar where machine compacts soil Loosen
original soil to a depth of six (6) inches below the bottom of the pit.
Backfill tree pits with enough amended soil mix (see specification
below) to permit handling and planting without injury to balls of
earth or roots and of such depth that. when planted and settled,
the crown of the plant shall bear the same relation to finish grades
that it did to soil surface in place of growth.
Tree pits shall be one foot six inches (1'6") larger than container
all the way around and one foot six inches ( 1'6·) deeper. Shrub
pits shall be six (6) inches larger all the way around and six (6)
inches deeper than site of container.
C. Backfill all plant pits ;with prepared soil mix amended with two (2)
lbs. iron sulphate per cu. yd. of soil mix In addition, apply single
superphosphate into the first half of backfill as follows:
SJze
1 gal.
5 gal
15 gal
20· box & larger
Plant ml!hnL~.I
Shrub or tree
Shrub or tree
Shrub or tree
Tree
Qu l!Jltl1Y
113 cupful
112 cupful
1 cupful
2 cupfuls
0. Install chip type ferlill:ter tablets as follows:
Size of Containtt
1 gal.
5 gal.
15 gal.
Boxed specimen
Number of tablets
2
3
5
8
!. Apply commercial fertilizer, 12-12-12 integrated into the top two (2)
inches as follows:
Sin
1 gal.
5 gal.
15 gal.
20· box & larger
Plant material
Shrub or tree
Shrub or tree
Shrub or tree
Tree
1/3 cupful
112 cupful
1 cupful
3 cupfuls
F. Compact topsoil in bottom of pit and tamp firmly. FIii soil around
ball of plant and water thoroughly. Water settle when backfill is
halHnstalled and again when backfill is complete.
G. Form shallow basins around edges of tree and shrub balls with
berms six (6) inches high. Form shallow basins around edges of
shrub balls. All basins shall be as wide as the required shrub or
tree hole.
H. Add Superthrlve lo each tree in the following manner
1, Add Superthrive to each tree at the rate of two (2) ounces of
Superthrive, dissolved in a bucket or water, poure.d on the
top of the tree ball. and contained thereon by the basin rims.
Immediately after applying Superthrive in such a manner,
fill the tree basin with water and allow it to settle within the
soil. Repeat application of clear water once or twice,
depending upon the condition and consistency of the tree
ball, and as directed by the Landscape Architect. Tree balls
shall be wet before application of Superthrive and shall be
mulched in conformance with the Specifications
immediately after completion of the Superthrive application
and its irrigation into the ball. This operation Is to be
accomplished in company of the Landscape Architect.
2. Apply a second feeding of Superthrive, in the same amount
and manner as above. during the maintenance period or
within thirty (30) days after the tree is planted, whichever
may be longer.
I. Mulch plants with SDG&E mulch product placed in basins as
follows:
1. fil.!11: Apply mulch to trees in the following proportions
111 15 gal: size, 1.5 cu. feet of mulch.
b. 5 gal. size, 1 cut. foot of mulch.
2. Shrubs: Apply 0.5 cu. foot of mulch.
J. Sift topsoil over mulch Sufficiently to keep it from blowing in the
wind.
K. Gradl!I areas around plants to finish grades and dispose of excess
soil.
L. Stake and guy trees (except conifers) according to the detail on
the Drawings. Determination of height of tree support required for
the various tree siies and species shall be made under the
supervision of the Landscape Architect.
M. Plant trees before irrigation system downstream from control
valves is installed but after a water source is provided in
accordance with section 4.03(C).
4.06 Pruning and Care of Plants During lnstallati®.:
A. Plants shall not be pruned prior to delivery except as authorized
by the Landscape Architect or his representative In no case shall
trees be topped.
B. Prune plants according to good horticultural practice and as
directed by Landscape Architect.
C. Any plant material having fifteen percent (15%) or more·
unseasonal defoliation shall be replaced at no cost to the owners.
4.07 Maintenance
A. After all work indicated on the Drawings or herein specified h_as
been compl,e!M, inspected and aru:,roved by the Landscape
Architect or his representative, the Contractor shall maintain all
planted areas for a period of not less than forty-five (45) days and
as much longer as necessary to meet the requirements for
completion and final acceptance by the owners. Maintenance
shall include continuous watering, weeding, cultivation. spraying,
mulching, trimming, and/or any other operations necessary for
plant care and upkeep.
B. Plants shall be continuously maintained from the lime of planting
until final acceptance of the work.
C. The Contractor shall establish a maintenance schedule in writing.
and provide copies to the Construction Inspector and Landscape
Architect. A competent gardener shall be on the site at least one
(1) four (4) hour period three days during the week, and additional
labor shall be as required.
D. Keep all planted areas free of debris and cultivate and weed at not
more than ten ( 10) day intervals.
E. Irrigation schedule shall be set so that no rvnoff occurs.
F. Hand-water all trees and shrubs by filling basins at least twice
every other day during the first ten days to assure deep moisture
penetration before using the irrigation system. Program system to
provide a minimum of one inch of precipitation for each of the
following weeks (depending on the climate) before Owner's
acceptance of the work. Test for penetration down to the bottom of
the plant ball.
G .Apply Best Fertilizer Co., 16-6-8 at the rate of six (6) lbs per
; 1,000 sq. tt. at thirty (30) day intervals on all groundcover and
shrub areas after installation.
H At the completion of all installation, prior to'final acceptance by the
Owner, all areas included in the Contract shall be clean and free
of debris and weeds, and all plant materials shall be live, healthy
111nd free of infestations.
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