HomeMy WebLinkAbout5131-9SECTION 02811 .
PART I - GENERAL LANDSCAPE IRRIGATION 1.08 CLEANUP AND DISPOSAL D. Pressure supply lines 1 1/2 inches in diameter and smaller downstream of the backflow E. Diagrammatic Intent:
1.01 SUMMARY A Dispose of wastetrash, d debrisidance with applicable laws and ordinances prevention unit shall be Schedule 40 solvent weld PVC conforming to ASTM D1785. The drawings are essentially diagrammatic. The size and location of equipment and 3.09 MISCELLANEOUS EQUIPMENT
A. It is the intent of the specifications and drawings that the finished system is , s, ann accordance fixtures are drawn to scale where possible. Provide offsets inpiping
and as prescribed by authorities having jurisdiction. Bury no such waste material and E. Non- P changes in
complete in every respect and shall be ready for operation satisfactory to the pressure lines 3/4 inches in diameter and larger downstream of the remote control equipment locations as necessary to conform with structures and to avoid obstructions r
debris on the site. Burning of trash and debris will not bey o A. Install all assemblies specified herein according to the respective detail drawings or
Owner. g permitted. The Contractor valve shall be Class 200 PVC. Non -pressure piping shall conform to ASTM D2241, conflicts with other work at no additional expense to Owner.
shall remove and dispose of rubbish and debris generated by his work and workmen at specifications, using best standard practices.
B. The work shall include all materials, labor, services, transportation, and frequent intervals or when ordered to do so by the Owner's authorized representative. F. Layout:
equipment necessary to perform the work as indicated on the drawings, in these B. Quick coupler valves shall be set approximately 12 inches from walks, curbs, header
specification, and as necessary to complete the contract.B. At the time of completion the entire site will be cleared of tools, equipment, rubbish and 2.03 METAL PIPE AND FITTINGS 1. Prior to installation, the Contractor shall stake out all pressure supply lines, boards, or paved areas where applicable.
.
1.02 CONSTRUCTION DRAWINGS debris which shall be disposed of off-site in a legal disposal area. Irouting and location of sprinkler heads, valves, backflow preventer, andA. Brass pipe shall be 85 automatic controller.
A. Due to the scale of the drawings, it is not possible to indicate all offsets, p P percent red brass, ANSI, IPS Standard 125 pounds, Schedule 40
screwed pipe. 2. Layout irrigation system and make minor adjustments required due to differences
fittings, sleeves, eta which may be required. The Contractor shall carefully 1.09 TURNOVER ITEMS P P between 9 e and drawings. Where piping is shown on drawings under paved 3.10 FLUSHING THE SYSTEM
investigate the structural and finished conditions affecting all of his work and plan- B. Brass fittings shall be medium brass, screwed 125 -pound class. areas, but running parallel and adjacent to )anted areas, install the piping in the
his work accordingly, furnishing such fittings, etc. as may be required to meet A. Record Drawings: 9 p J P Pip• g A. Prior to installation of sprinkler nozzles, the valves shall be opened and a
1. Record accurate) on one set of contract drawings C. Copper pipe shall be "hard" Type K. planted areas.
such conditions. Drawings are generally diagrammatic and indicative of the work Y gs all changes in the work PP P P � full head of water used to flush out the lines and risers.
to be installed. The work shall be installed in such a manner as to avoid conflicts constituting departures from the original contract .drawings. G. Water Supply
2. The changes and dimensions shall be recorded in a le D. Copper fittings shall be soldered type.
between irrigation systems,. planting, and architectural features. 9 Bible and workmanlike. Connections to, or the installation of, the water supply shall be at the locations shown on B. Sprinkler nozzles shall be installed after flushing the system has been completed.
I manner to the satisfaction of the owner. Prior to final inspection of work, submit the drawings. Minor changes caused by actual site conditions shall be made at no
B. All work called for on the drawings by notes or details shall be furnished and record drawings to the Landscape Architect or Owner's authorized representative. 2.04 PLASTIC PIPE AND FITTINGS additional expense to Owner.
P 3. Dimensions from/to permanent points of reference such as buildings, sidewalks, 3.11 ADJUSTING THE SYSTEM
installed whether. or not specifically mentioned in the specifications. When an A. Pipe shall be marked continuously with manufacturer's name, nominal pipe size,
item is shown on the plans but not shown on the specifications or vice versa, it curbs, etc. shall be shown. Data on record drawings shall be recorded on a day to P p H. Electrical Service:
shall be deemed to be as shown on both. The Landscape Architect shall have day basis as the project is being installed. All lettering on drawings shall be schedule or class, PVC type and grade, National Sanitation Foundation approval,
P 9 9 9 1. Connections to the electrical supply shall be at the locations shown On the A. Contractor shall adjust valves, align heads, and check coverage of each system prior to
final authority for clarification. minimum 1/8 inch in size. Commercial Standards designation, and date of extrusion. drawings. Minor changes caused by site conditions shall be made at no additional coverage test.
4. Show locations and depths of the following items: expense to Owner.
a. Point of connection (including water meters, backflow preventers, master B. All plastic pipe shall be extruded of an improved PVC virgin pipe compound in ,
G. The Contractor shall not willfully install the irrigation system as shown on the ( 9 p 2. Contractor shall make 120 volt connection to the irrigation controllers. Electrical B. If it is determined by the Landscape Architect or Owners authorized representative that
accordance with ASTM D2241 or ASTM D1784. p
drawings when it is obvious in the field that obstructions, grade differences or control valves, etc.) power source to controller locations shall be provided by others. additional adjustments or nozzle changes will be required to provide proper coverage, all
discrepancies in area dimensions exist that might not have been considered in b. Routing of sprinkler pressure lines (dimensions shown at a maximum of C All necessar chap es or adjustments shall be resubmitted to
100 feet along routing), including sleeves for pipe and wire. PVC fittings shall be standard weight Schedule 40 and shall be injection molded of Y 9 1 city prior to installation.
engineering. Such obstructions or differences should be brought to the attention 9 9)� 9 P•P " " 3.02 TRENCHING
C. Ball valves an improved virgin PVC fitting compound. Slip PVC fittings shall be the deep socket C. The entire system shall be operating properly before
of the Landscape Architect as soon as detected. In the event this notification is bracketed type. Threaded plastic fittings shall be injection molded. All tees and ells Ys P 9 P P Y any planting operations commence.
not performed, the Irrigation Contractor shall assume full responsibility for any d. Automatic remote control valves A. Excavations shall be straight with vertical sides, even grade, and support pipe
revision necessary. e. Quick coupling valves shall be side gated. All fittings shall conform to ASTM D2466. continuously on bottom of trench. Trenching excavation shall follow layout Indicated on D. Automatic control valves are to be adjusted so that the sprinkler heads operate at the
f. Routing of control wires drawings to the depths below finished rade and as noted. Where lines occur under
1.03 QUALITY ASSURANCE g. Irrigation controllers D. All threaded nipples shall be standard weight Schedule 80 with molded threads and shall g P g pressure recommended by the manufacturer.
h. Related equipment (as may be directed)
conform to ASTM D1785. paved area, these dimensions shall be considered below subgrade.
A. Provide at least one english speaking person who shall be present at all times 5. Maintain record drawings on site at all times. Upon completion of work, transfer B. Provide minimum cover of 18 inches on pressure supply lines 2 inches and smaller, or 3.12 TESTING AND OBSERVATION
during execution of this portion of the work and who shall be thoroughly familiar all as -built information and dimensions to reproducible sepia prints. E. All solvent cementing of plastic pipe and fittings shall be a two-step process, using PP Y '
P P P P 9 P P 9 as available when installed over structure.
with the type of materials being installed and the manufacturer's recommended primer and solvent cement applied per_the manufacturer's recommendations. Cement A. Do not allow or cause any of the work of this section to be covered up or enclosed until it
methods of installation and who shall direct all work performed under this section. B. Controller Charts: shall be of a fluid consistency, not gel like or ropy. Solvent cementing shall be in C. Provide minimum cover of 12 inches for control wires, or as available when installed has been observed, tested and accepted by the Landscape Architect, Owner, and
1. Record drawings must be approved by Landscape Architect and/or Owners
conformance with ASTM D2564 and ASTM D2855. over structure. I governing agencies.
B. Manufacturer's directions and detailed drawings shall be followed in all cases authorized representative before charts are prepared. F. When connection is plastic to metal
where the manufacturer of articles used in this contract furnish directions 2. Provide one controller chart for each automatic controller. Chart shall show the P ,female adapters shalt be hand tightened, plus one D. Provide minimum cover of 12 inches for non -pressure lines, or as available when B. The Contractor shall be solely responsible for notifying the Landscape Architect, Owner,
turn with a stropwrench. Joint compound shall be non -lead base Teflon P '
P rite, tape, or and governing agencies, a minimum of 48 hours in advance, where and when. the work is
covering points not shown in the drawings and specifications. area covered by the particular controller.P P installed over structure. g g g
q ready for testing.
3. The chart is to be a reduced copy of the actual "record" drawing. In the event the equal. F. Pipes installed in a common trench shall have a 4 inch minimum space between pipes.
C. All local, municipal and state laws, rules and regulations governing or relating to controller sequence is not legible when the drawing is reduced, it shall be
an portion of this work are hereby incorporated into and made a C. When the sprinkler system is completed, the Contractor shall perform a coverage test of
Y P y ' p part of these enlarged to a readable size. BACKFILLING
specifications, and .their provisions shall be carried out by the Contractor. 4. When completed and approved, the chart shall be .hermetically sealed between 3.03 each system in its entirety to determine if the water coverage for the planted areas is
complete .and adequate in the presence of the Landscape Architect.
Anything contained in these specifications shall not be construed to conflict with two pieces of plastic, each piece being a minimum 20 mils in thickness. p p
any of the above rules and regulations of the same. However, when these A. Backfill material on all lines shall be the some as adjacent soil free of debris, litter, and
specifications and drawings call for or describe materials, workmanship, or C. Operation and Maintenance Manuals: 2.05 VALVES rocks over 1/2 inch in diameter. D. The Contractor shall furnish all materials and perform all work required to correct any
construction of a better quality, higher standard, or larger size than is required by 1. Two individually bound copies of operation and maintenance manuals shall be
inadequacies of coverage due to deviations from the plans, or where the system has been
the above rules and regulations, the provisions of these specifications and delivered to the Landscape Architect or Owner's authorized representative at least A. Ball Valves:
B. Backfill shall be tamped in 4 -inch layers under the pipe and uniformly on both sides for willfully installed as indicated on the drawings when it is obviously inadequate, without
drawings shall take precedence. 10 calendar days prior to final inspection. The manuals shall describe the 1. Ball valves shall be of the manufacturer, size, and type indicated on the drawings. the full width of the trench and the full length of the pipe. Backfill materials shall be bringing this to the attention of the Landscape Architect. This test shall be accepted by
material installed and the proper operation of the system. 2. Ball valves shall be double union design, Sch. 80 PVC blocked, with Teflon ball g sufficiently damp to permit thorough compaction, free of voids. Backfill shall be the Landscape Architect and accomplished before starting any planting.
D. All materials supplied for this project shall be new and free from any defects. All 2. Each complete, bound manual shall ' adjacent grades. E. Final inspection will not commence without record drawings as prepared by the
include the following information: seats. End connector carrier and stem are to have either EPDM or Viton 0 -ring s. compacted to dry density equal to adjacent undisturbed soil and shall conform to
defective materials shall be .replaced immediately at no additional cost to Owner. a. Index sheet stating Contractors address and telephone number, Ball valves are to have threaded connections. .
duration of guarantee period, list of equipment including names and 3. All ball valves shall have a minimum working pressure of not less
E. The Contractor shall secure the required licenses and permits including addresses of local manufacturer representatives. than 125 psi and shall conform to AWWA standards. Irrigation Contractor.
C. Flooding in lieu of tamping is not allowed.
payments of charges and fees, give required notices to public authorities, verify b. Operating and maintenance instructions for all equipment. I
D. Under no circumstances shall truck wheels be used to compact backfill.
permits secured or arrangements made by others affecting the work of this C. Spare parts lists and related manufacturer information for all equipment. B. Quick Coupler Valves: 3.13 COORDINATE THE CITY LANDSCAPE INSPECTION SCHEDULE
section. 1. Quick coupler, valves shall be of the manufacturer, size, and type indicated on the E. Provide sand backfill a minimum of 6 inches over and under all piping under paved
drawings.areas. P P 9 P Sleeving/Grading
1.04 SUBMITTALS D. Equipment: 2. Quick coupler valves shall be brass with a wall thickness guaranteed to withstand
1. Supply as a part of this contract the following items: normal workingpressure of 150 A. Sleeve diameter, type, depth and location
a. Two 2 wrenches for disassembly and adjustment of each type of p psi without leakage. Valves shall have 3/4 3.04 PIPING
A. Materials List: O ti J female threads opening at base, with two-piece body. Valves to be operated only B. Soil surface drainage, elevation and trash (including weeds & rubble)
1. After award of contract and before any irrigation system materials sprinkler head .used in the irrigation system. with a coupler key, designed for that purpose. Coupler key is inserted into valve
are delivered to the job site, submit to the Owner a complete list of all b. Three 30 -inch sprinkler keys for manual operation of control valves. and a ositive, waterti ht connection shall be made between the coupler key and A. Piping under existing pavement may be installed b jacking, boring, C. Two keys for each automatic controller. P g P Y Y y j g g or hydraulic driving. Irrigation System irrigation systems, materials, or processes proposed to be furnished and " valve. Hinge cover shall be the locking type constructed of brass with a No hydraulic driving is permitted under asphalt pavement. 9 ys m Rough -In
installed as part of this contract. d. Two quick coupler keys with a 3/4 bronze hose bib bent nose type with A. Trench depth and location
2. Show manufacturer's name and catalog number for each item, furnish hand wheel and two coupler lid keys. p rubber -like vinyl cover. p
e. One valve box cover key or wrench. B. Cutting or breaking of existing pavement is not permitted. B. Pipe size and class
complete catalog cuts and technical data, furnish the manufacturers f. One 5 -foot tee wrench for operating ate valves 3 inches or larger If C. Automatic Control Valves: B. Pressure test (125 psi for 6 hours)
recommendations as to the method of installation. used). P g g g ( 1. Automatic control valves shall be of the manufacturer, size, and type indicated on C. Carefully inspect all pipe and fittings before installation, removing dirt, scale, burrs
3. No substitutions will be allowed without review .and approval by the City and the drawings. reaming. Install pipe with all markings up for visual inspection and verification.
prior written acceptance by the Landscape Architect or Owner's authorized g• Six extra sprinkler heads of each size and type. 2. Automatic control valves shall be electrically operated. Final Irrigation:
representative. 2. The above equipment shall be turned over to Owner's authorized representative at D. Remove all dented and damaged pipe sections.
4. Manufacturer's warranties shall not relieve the Contractor of his the final inspection. 9 PiP A. Valves, boxes and wiring
liability under the guarantee. Such warranties shall only supplement the B. Controller operation and schedule
guarantee. 1.10 COMPLETION lines of other trades. E. All lines shall have a minimum clearance of 6 inches from each other and 12 inches from C. Sprinkler, bubbler and/or drip emitter type, flow rate and quantity per plant
B. Substitutions: 2.06 VALVE BOXES D. Overall operation & As built
If the Irrigation Contractor wishes to substitute any equipment or materials for A. At the time of the pre -maintenance period inspection, the Landscape Architect, Owner's F. Parallel lines shall not be installed directly over each other.
those equipment or materials listed on the irrigation drawings and specifications authorized representative, and governing agencies will inspect the work, and if not A. Valve boxes shall be fabricated from a durable, Weather -resistant plastic material 3.14 MAINTENANCE
he may do so by providing the following information to the City and the Landscape accepted, will prepare a list of items to be completed by the Contractor. At the time of resistant to sunlight and chemical action of soils. During the maintenance period G. I d the Contra
9 n solvent welding, Contractor shall adjust
Architect or Owners authorized representative for approval. the post -maintenance period or final inspection the work will be reinspected and final g, use only the specified primer and solvent cement and make all joints g P dJust and maintain the irrigation
in strict accordance with the manufacturer's recommended methods includingwiping all system in a fully operational condition providing complete irrigation coverage to all
1. Provide a written statement indicatingthe reason for making the acceptance will be in writing by the Landscape Architect, Owners authorized C. The cover and box shall be capable of sustaining a load of 1,500 P g
excess solvent from .each weld. Allow solvent welds at least 15 minutes setup time
9 P g pounds.intended plantings.
substitution. representative, and governing agencies. before moving orhandling and 24 hours curing time before filling.
2. Provide catalog cut sheets, technical data, and performance information for D. Valve box extensions shall be by the some manufacturer as the valve box. 3.15 COMPLETION CLEANING
each substitute item. B. The Owners authorized representative shall have final authority on all portions of the H. PVC pipe shall be installed in a manner which will provide for expansion contraction as Clean-up shall be made as each portion of the work progresses. Refuse and excess dirt
3. Provide in writingthe difference in installed P work. y pipe paving shall be broomed, and any damage
price. if the item is accepted. E. Automatic control valve boxes shall be 16"x11"x12" rectangular size. Valve box covers recommended b the I e manufacturer. shall be removed from the site, all walks and
shall be "heat branded" in 2" high letters "RCV" with the valve identification number. sustained on the work of others shall be repaired to original conditions.
C. After the system has been completed, the Contractor shall Instruct Owner's authorized I. Centerload all plastic pipe prior to pressure testing.
1.05 EXISTING CONDITIONS representative in the operation and maintenance of the irrigation system and shalt furnish F. Ball valve, flush valve, master valve and quick coup" r valve boxes shall be 10" circular END OF IRRIGATION SECTION
a complete set of operating and maintenance instructions. size. Valve box covers shall be "tan" in color and "heat branded" in 2" high letters with J. All threaded plastic -to -plastic connections shall be assembled using Teflon tape or
A. The Contractor shall verify and be familiar with the locations, size and detail of D. An se either "BV", "FV", "MV" or "QCV". Teflon paste.
points of connection provided as the source of water, electrical supply, and y settling of trenches which may occur during the one-year period following .
telephone line connection to the irrigation system. acceptance shall be repaired to the owner's satisfaction by the Contractor without any
additional expense to the owner. Repairs shall include the complete restoration of all 2.07 AUTOMATIC CONTROLLER K. For plastic -to -metal connections, work. the metal connections first. Use a non -hardening .
B. Irrigation design is based on the available static water pressure shown on the damage to planting, paving or other improvements of any kind as a result of the work. Automatic controller shall be of the manufacturer, size, and type indicated on the pipe dope an all threaded plastic -to -metal connections, except where noted otherwise.
drawings. Contractor shall verify static water on the project prior to the start of drawings. All plastic -to -metal connections shall be made with plastic female adapters.
construction. Should a discrepancy exist, notify the Landscape Architect and 1.11 GUARANTEE
Owner's authorized representative prior to beginning construction. 2.08 ELECTRICAL L. All connections between PVC lateral lines shall be made using Sch. 40 PVC fittings
A. The entire sprinkler system, including all work done under this contract, shall be with compression adapters. All connections between dripperlines to be made using
C. Prior to cutting into the soil, the Contractor shall locate all cables, conduits, sewer unconditionally guaranteed against all defects and fault of material and workmanship, A. All electrical equipment shall be NEMA Type 3, waterproofed for exterior installations. compression fittings of manufacturer of the dri erline. Use no pipe doe Teflon t
YP P PP P P dope, .ape,
septic tanks, and other utilities as are commonly encountered underground and . including settling of backfilled areas below grade, for a period of one (1) year following primer or solvent cement on compression fittings.
he shall take proper precautions not to damage or disturb such improvements. If the filing of the Notice of Completion. Should any problem with the irrigation system be B. All electrical work shall conform to local codes and ordinances.
a conflict exists between the such obstacles and the proposed work, the discovered within the guarantee period, it shall be corrected by the Contractor at no
Contractor shall promptly notify the Landscape Architect and Owner who will additional expense to owner within ten (10) calendar days of receipt of written notice 2.09 LOW VOLTAGE CONTROL WIRING 3.05 CONTROLLER
arrange for relocations. The Contractor will proceed in the some manner if a rock from Owner. When the nature of the repairs as determined by the Owner constitute an
layer or any other such conditions are encountered. emergency'(i.e. broken pressure line) the Owner may proceed to make repairs at the A. Remote control wire shall be direct -burial AWG -UF type, size as indicated on the A. The exact location of the controller shall be approved by the Landscape A-,,;hitect or
Contractors expense. Any and all damages to existing improvement resulting either drawings, and in no case smaller than 14 gauge. Owners authorized representative before installatior;. The electrical service' shall be
D. The Contractor shall protect all existing utilities and features to remain on and from faulty materials or workmanship, or from the necessary repairs to correct same, I coordinated with this location.
adjacent to the project site during construction. Contractor shall repair, at his shall be repaired to the satisfaction of the owner by the Contractor, all at no additional B. Connections shall be either epoxy -sealed packet type or Penn -rite connectors.
own cost, all damage resulting from his operations or negligence. cost to the Owner. B. The Irrigation Contractor shall be responsible for the final electrical hook up to irrigation
C. Ground wires shall be white in color. Control wires shall be red (where two or more controller. .
E. The Irrigation Contractor shall coordinate with the General Contractor for B. Guarantee shall be submitted on Contractors own letterhead as follows: controllers are used, the control wires shall be a differentcolor for each controller. These
installation of required sleeving as shown on the plans.colors shall be noted on the "Record Drawings" plans located on controller door). C. The irrigation system shall be programmed to operate during the periods of minimal use
GUARANTEE FOR SPRINKLER IRRIGATION SYSTEM of the design area.
1.06 INSPECTIONS I I We hereby guarantee that the sprinkler irrigation system we have D. Provide a 24" long expansion loop for all directional changes in control wire routing.
furnished and installed is free from defects in materials and workmanship, 3.06 CONTROL WIRING
A. The Contractor shall permit the Landscape Architect and Owner's authorized and the work has been completed in accordance with the drawings and 2.10 IRRIGATION HEADS
representative to visit and inspect at all times any part of the work and shall provide safe specifications, ordinary wear and, tear and unusual ab se, or neglect A. Low voltage contrui wiring shall occupy the some trench and shall be installed along the
access for such visits. In addition, the City Inspector will ask for a preconstruction excepted. We agree to repair or replace any defecti a material during the A. Sprinkler heads and drip emitters shall be of the manufacturer, size, type, with radius of some route as the pressure supply lines whenever possible.
meeting and periodic inspections. period of one year from date of filing of the Notice of Completion and throw, operating pressure, and discharge rate indicated on the drawings.
also to repair or replace any damage resulting from he repairing or.B. Where more than one wire is placed in a trench, the wiring shall be taped together in a
B. Where the specifications require work to be tested by the Contractor, it shall not be replacing of such defects at no additional cost to the,owner. We shallbundle at intervals of 10 feet. Bundle shall be secured to the mainline with tape at
covered over until accepted by the Landscape Architect, Owner's authorized make such repairs or replacements within 10 calenda days following Part 111 - EXECUTION intervals of 20 feet.
representative, and/or governing agencies. The Contractor shall be solely responsible for written notification by the owner. In the event of ou failure to make such
notifying the Landscape Architect, Owner, and governing agencies, a minimum of 48 repairs or replacements within the time specified after receipt of written C. All connections shall be of an approved type and shall occur in a valve box. Provide an
hours in advance, where and when the work is ready for testing. Should any work be notice from owner, we authorize the owner to proceed to have said repairs 3.01 SITE CONDITIONS 18 inch service loop at each connection.
covered without testing or acceptance, it shall be, if so ordered, uncovered at the or replacements made at our expense and we will pay the costs and
Contractor's expense. charges therefore upon demand. A. Inspections: I D. An expansion loop of 12 inches shall be provided at each wire connection and/or
1. Prior to all work of this section, carefully inspect the installed work of all other directional change, and one of 24 inches shall be provided at each remote control valve.
C. Inspections will be required for the following at a minimum: PROJECT NAME: trades and verifythat all such work is complete to the E. A continuous run of wire shall be used between a controller and each remote control
1. Sleeving PROJECT LOCATION: P point where this installation valve. Under no circumstances shall splices be used without rior approval.
2. System layout may properly commence. P PP
3. Pressure test of irrigation main line (Four hours at 125 PSI or 1209 of static water CONTRACTOR NAME: 2. Verify that irrigation system may be installed in strict accordance with all
pressure, which ever is greater). ADDRESS: pertinent codes and regulations, the original design, the referenced standards, and
4. Coverage test of irrigation system. the manufacturer's recommendations.
5. Final inspection prior to start of maintenance period TELEPHONE: B. Discrepancies: 3.07 VALVES
6. Final acceptance SIGNED: I 1. In the event of discrepancy, immediately notify the Landscape Architect or A. Automatic control valves, manual valves, gate valves, and ball valves are to be installed
D. Site observations and testing will not commence without the record drawings as prepared Owner's authorized representative. in the approximate locations indicated on the drawings.
by the Irrigation Contractor. Record drawings must complete and up to date for each site DATE: 2. Do not proceed with installation in areas of discrepancy until all discrepancies
visit.I have been resolved.
I I B. Valve shall be installed in shrub areas whenever possible.
E. Work which fails testing and is not accepted will be retested. .Hourly rates and expenses Part 11 - MATERIALS C, Grades: C. Install all valves as indicated in the detail drawings. of the Landscape Architect, Owners authorized representative, and governing agencies 1. Before starting work, carefully check all grades to determine that work may g .
for reinspection or retesting will be paid by the Irrigation Contractor at no additional 201 SUMMARY safely proceed, keeping within the specified material depths with respect to finish D. Valves to be installed in valve boxes shall be installed one valve per box.
expense to Owner. Use only new.materials of the manufacturer, size and type shown on the drawings and grade.
1.07STORAGE AND HANDLING specifications. Materials or equipment installed or furnished that do not meet Landscape 2. Final grades shall be accepted by the Engineer before work on this section will be 3.08 VALVE BOXES
Architect's, Owner's. or governing agencies standards will be rejected and shall be allowed to begin.
removed from the site at no expense to the Owner. A. installed in shrub areas whenever possible. Valve boxes shall be
A. Use all means necessary to protect irrigation system materials before, during, and after D. Field Measurements:
installation and to protect the installation work and materials of all other trades. In the 2,02 PIPE 1. Make all necessary measurements in the field to ensure precise fit of items in B. Each valve box shall be installed on a foundation of 3 4 inch ravel backfill 3 cubic feet
event of damage, immediately make all repairs and replacements necessary to the accordance with the original design. Contractor shall coordinate the installation / 9 et
acceptance of the Landscape Architect and Owner and at no additional cost to the Owner. minimum. Valve boxes shall be installed with their tops 2 inches above finish grade in ground cover
A. Pressure supply line from point of connection through backflow prevention unit shall be of all irrigation materials with all other work. areas.
Type K "hard" copper pipe. 2. All scaled dimensions are approximate. The Contractor shall check and verify all
B. Exercise care in handling, loading, unloading, and storing plastic pipe and fittings under size dimensions prior to proceeding with work under this section.
cover until ready to install. Transport plastic pipe only on a vehicle with a bed long B. Pressure supply line installed over structure shall be Type K "hard" copper pipe. Copper 3. Exercise extreme care in excavating and working near existing utilities. / \
enough to allow the pipe to lay flat to avoid undue bending and concentrated external pressure supply line installed over structure shall be secured to the concrete slab using Contractor shall be responsible for damages to utilities which are caused by his
load. I Architect approved fasteners. I operations neglect.
C. Pressure supply lines 2 inches in diameter and up to 3 inches in diameter downstream of
backflow prevention unit shall be Class 315 solvent weld PVC. Piping shall conform to D. R. HORTON
ASTM D2241. .
. TRACT 18244 - CFD LANDSCAPE PLANS
DRAWN BY: SCALE:
CN IRRIGATION AS SHOWN
DESIGNED BY PECIFICATIONS DATE:
RH 06-16-14
CHECKED BY: ROVED / DRAWING NO: 9
-71411 5131
SMP CITY ENGINEER RCE NO. 61162 DATE 13
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SUMMERS/MURPHY A PARTNERS, INC
LANDSCAPE ARCHITECTS
34197 COAST HIGHWAY, SUITE 200
DANA POINT, CALIFORNIA 92629
(949) 443.1446 FAX (949) 443.1631
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These drawings and/or the
accompanying specifications
are the exclusive property of
Summers/Murphy & Partners,
Inc. and their use and publi-
cation shall be restricted to the
original site for which they
were prepared. Re -use, repro-
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method, in whole or part, is
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