HomeMy WebLinkAboutR-403220GENERAL IRRIGATION SPECIFICATIONS
E.
Flushing of System:
I. SCOPE OF WORK
1. After all new sprinkler pipe lines and risers are in place and connected, all necessary
diversion work has been completed, and prior to installation of sprinkler heads, the
T. Guarantee The entire sprinkler system shall be guaranteed by the Contractor as to material
The work included in these specifications shall consist of the furnishing of all labor, tools, machinery,
control valves shall be opened and a full head of water used to flush out the system.
and workma
workmanship, including settling of ckfoareas below grade
grade for a period of one (1)
year following the date of final acceptance of f t the work. If, within one year from the date
materials, appliances, and processes required for the installation of a complete landscape irrigation
system herein specified and shown on the accompanying drawing(s).
2. Sprinkler heads shall be installed only after flushing of the system has been
of completion, settlement occurs and adjustments in pipes, valves and sprinkler heads, sod
accomplished to the complete satisfaction of the Architect.
or paving is necessary to bring the system, sod or paving to the proper level the
permanent grades, the Contractor, as part of the work under his contract, shallmake all
II GENERAL REQUIREMENTS
F.
Pressure Test:
adjustments without extra cost to the Owner, including the complete restoration of all
A. Intent - The intent of the drawings and specifications is to indicate and specify a complete
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1. All pressure lines shall be test under hydrostatic pressure of 150 pounds per square
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damaged planting, paving, or other improvements of any kind.
and efficient sprinkler irrigation system ready for use in accordance with the manufacturer's
inch, and all non -pressure lines shall be tested under the existing static pressure
Should any operational difficulties in connection with the sprinkler system develop within
recommendations; and, meeting the approval of the Owner's authorized representative
and both be proven watertight. Contractor shall provide all equipment for
the specified guarantee period which in the opinion of the Owner may be due to inferior
without further cost of labor and material to the Owner.
hydrostatic tests.
material and/or workmanship, said difficulties shall be immediately corrected by the
B. Verification of Dimensions - All lot dimensions area approximate. Before proceeding with
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Note:Testing of pressure supply lines shall be done prior to installation of electric
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Contractor to the satisfaction of the Owner at additional cost to the Owner including any
and all other damage caused by such defects.
any work, the Contractor shall carefully check and verify all dimensions and shall report any
control valves.
variations to the Owner's authorized representative.
2. Pressure shall be sustained in the lines for not less than two (3) hours. If leaks
V RECORD AND AS -BUILT DRAWINGS:
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C. Explanation of Drawings - Due to the scale of drawings, it is not possible to indicate all
develop the joints shall be replaced and the test repeated until the entire system
A. The Contractor shall provide and keep up to date a complete "as -built" record set of blueline
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offsets, fittings, sleeves, etc. which may be required. The contractor shall carefully
investigate the structural and finished conditions affecting all of his work and plan his work
is proved watertight.
ozalid prints which shall be corrected daily and shown every change from the original
accordingly, furnishing such fittings, etc., as may be required to meet such conditions.
3. Tests shall be observed and approved by the Owner's/Cities representative prior to backfill.
drawings and specification and the exact as -built" locations, sizes, and kinds of equipment.
Prints for this purpose may be obtained from the Architect at cost. This set of drawings
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Drawings are generally diagrammatic and indicative of the work to be installed. The work
shall be installed in such a manner as to avoid conflicts between irrigation systems, planting,
4. Upon completion of each phase of the work, the Contractor shall check and adjust
shall be Kept on the site and shall be used only as a record set.
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and architectural features.
1. All work called for on the drawings by notes or details shall be furnished
each sprinkler head to meet the site requirements and plan.
B. These drawings shall also serve as work progress sheets, and the Contractor shall make
installed whether or not specifically mentioned in the specifications.
G.
Backfilling:
neat and legible annotations thereon daily as the work proceeds, showing the work as
C)and
1. Backfill shall not be placed until the installed sprinkler irrigation system has been
actually installed. These drawings shall be available at all times for inspection and shall be
kept in a location designated by the Owner's representatives.
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D. Site Conditions - The Contractor shall not willfully install the irrigation systems as shown on
the drawings when it is obvious in the field that unknown obstructions, differences
inspected and approved by the Owner's representative.
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grade
or discrepancies area dimensions exist that might not have been considered in
C. Before the date of the final inspection, the Contractor shall transfer all information from the
"as
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engineering. Such obstructions or differences should brought to the attention of the
-built" prints to a sepia mylar, procured from the Architect. All work shall be neat, in
ink and subject to the approval of the Architect.
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Owner's authorized representative. In the event this notification is not performed, the
2. Backfill material shall be approved soil. Unsuitable material, including clods and
irrigation contractor shall assume full responsibility for any revision necessary.
rocks over 2 1/2 inches in size, shall be removed from the premises and disposed
D. The Contractor shall dimension from two (2) permanent points of reference, building corners,
E. Permits and Fees The Contractor shall obtain and pay for any and all permits and all
of legally at no cost to the Owner.
3. All backfilling shall be done carefully and shall be properly tamped. Sandy soil only
sidewalk, or road intersections, etc., the location of the following items:
A. Connection to existing water lines.
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inspections as required.
shall be tamped and puddled to eliminate any voids.
B. Connection to existing electrical power.
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F. Manufacturer's Directions - Manufacturer's directions and detailed drawings shall be followed
all cases where the manufacturers of articles used in this contract furnish directions
4. Surplus earth remainingafter backfilling shall be disposed of on the premises as
C. Gate valves
D. Routing of sprinkler pressure lines (dimension max. 100'along routing.)
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directed by the Owners representative.
E. Sprinkler control valves.
covering points not shown in the drawings and specifications.
5. Where excavating or "jacking" is required under asphalt pavement, sidewalks, roads,
F. Routing of control wiring.
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G. Ordinances and Regulations - All local, municipal and state laws, and rules and regulations
etc. care shall be taken in backfilling with sand, tamping, and inundating with
water.
G. Quick coupling valves.
H. Other related equipment as directed by Architect.
governing or relating to any portion of this work are hereby incorporated into and made a
part of these specifications, and their provisions shall be carried out by the Contractor.
6. Sand backfill, where required shall be per detail(s) on plan.
I. Significant changes in routing of lateral lines from those indicated on plans.
Anything contained in these specifications shall not be construed to conflict with any of the
the However, these
E. On or before the date of the final inspection, the Contractor shall deliver the corrected and
above rules and regulations or requirements of same. when
specifications and drawings call for or describe materials, workmanship, or construction of
H.
Temporary Repairs - The Owner reserves the right to make temporary repairs as necessary
completed rents to the Architect. Deliver of the rents will not relieve the Contractor of
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the responsibility of furnishing required information that may be omitted from the prints.
a better quality, higher standard, or larger size than is required by the above rules and
to keep the sprinkler system equipment in operating condition. The exercise of this right
by the Owner the Contractor his the terms the
regulations, the provisions of these specifications and drawings shall take precedence.
shall not relieve of responsibilities under of
guarantee as herein specified.
F. Controller Charts:
H. Disruption of Services - Permission to shut off any water lines must be obtained from the
I.
Sprinklers:
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Construction Supervisor, who will make the necessary arrangements with the Owner.
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Disruption of existing systems shall be kept to a minimum.
1. All nozzles on sprinklers shall be tightened after installation. All sprinklers having
1. As -built drawings shall be approved by the Architect
before controller charts are prepared.
an adjustment stem shall be adjusted on a lateral line for the proper radius, diameter
I. Source of Water Supply - The Contractor shall verify and be familiar with the location, size
and/or gallonage.
2. Provide one controller chart for each controller supplied.
and detail of stubouts, provided as the source of water supply to the sprinkler system, as
shown on plans.
2. All sprinkler heads shall be set perpendicular to finished grades unless otherwise
3. The chart shall shown the area controlled by the automatic controller and shall be
J. Existing Utilities and Conditions - Prior to cutting into the soil, the Contractor shall locate
designated on the plans.
the maximum size which the controller door will allow.
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all cables, conduits, sewers, septic tanks, and other such utilities as are commonly
encountered underground and he shall take proper precautions not to damage or disturb
3. All sprinkler risers shall be installed as indicated on plans and shown on details.
4. The chart is to be a reduced drawing of the actual as -built system. However, in the
such improvements. If a conflict exists between such obstacles and the proposed work the
J.
Valves
event the controller sequence is not legible when the drawing is reduced, it shall
be enlarged to a size that will be readable when reduced.
Contractor shall promptly notify the Owner's authorized representative who will arrange for
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relocations. The Contractor will proceed in the same manner if rock layer or any other
condition encountered underground makes changes advisable. Where investigation of
1. Piping systems shall be supplied with valves at all points shown on the drawings
or specified herein, arranged to give complete regulating control throughout.
5. The chart shall be a blackline print and a different color shall be
subsurface conditions have been made by a qualified body in areas where work is to be
used to indicate the area of coverage for each station.
performed or in areas in which local materials may be obtained, contractor may request the
2. Valves shall be full size of the line in which the are installed unless otherwise noted.
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6. When completed and approved, the chart shall be hermetically sealed between two
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use of such information but will be directly responsible for its verification and accuracy.
K. Verification of Finish Grade - The Contractor shall verify the correctness of all finish
3. Control valves shall be adjusted so the most remote sprinkler heads operate at the
by the head Control be
pieces of plastic, each piece being a minimum 10 mils. thick.
grades
within the work area in order to insure the proper soil coverage (as specified) of the sprinkler
pressure recommended manufacturer. valves shall adjusted
so a uniform distribution of water is applied by the sprinkler heads to the planting
7. These charts shall be completed and approved prior to final inspection of the
system pipes.
areas for each individual valve system.
irrigation system.
VI. OPERATION AND MAINTENANCE MANUALS
4. Quick coupling valves so indicated to be installed adjacent to walks, curbs, etc.,
III. SUBMITTALS
shall be within a twelve (12) inch maximum of same. All quick coupling valves in
A. Prepare and deliver to the Architect within ten calendar days
shrub areas shall be installed three (3) inches above finish grade and shall be
prior to completion of construction, two hard cover binders with three rings containing
A. Material List:
equipped with rubber covered tops, yellow in color.
the following information:
1. The Contractor shall furnish the articles, equipment, materials, or processes
1. Index sheet stating Contractor's address and telephone number, list of equipment
specified by name in the drawings and specifications. No substitution will be
K.
Valve Boxes:
with name and addresses of local manufacturer's representatives.
allowed without prior written approval by the Architect.
2. Complete material list shall be submitted to any work. Material list
1. Plastic valve boxes (Amatek or approved equal) shall be one (1) inch above the
designated finish grade in lawn areas and two (2) inches above finish grade in
2. Catalog and parts sheets on every material and equipment installed under this
contract.
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prior performing
shall include the manufacturer, model number and description of all materials and
ground cover areas. Only one (1) remote control valve may be installed in each box.
3. Guarantee statement.
equipment to be used.
2. Valve boxes located near walks, curbs and paving shall be installed in such a way
4. Complete operating and maintenance instruction on all major equipment.
3. Equipment or materials installed or furnished without prior approval of the Architect
as to allow for valve boxes to abut those items with top surface matching plane as
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may be rejected and the Contractor required to remove such materials from the site
items listed above.
B. In addition to the above mentioned maintenance manuals, provide the Owner's
at his own expenses.
maintenance personnel with instructions for major equipment and show
4. Approval of any item, alternate or substitute indicates only that the product or
evidence in writing to the Architect at the conclusion of the project that this
products apparently meet the requirements of the drawings and specifications on
service has been rendered.
the basis of the information or samples submitted.
L.
Automatic Controller Location and Installation:
5. Manufacturer's warranties shall not relieve the Contractor of his liability under the
1. Automatic controllers shall be installed at locations shown on the plans. All pedestal
mounted controllers shall be mounted on a suitable concrete base.
VII. EQUIPMENT TO BE FURNISHED
guarantee. Such warranties shall only supplement the guarantee.
2. All controller locations are essentially diagrammatic, and shall be specifically located,
A. Supply as a part of this contract the following tools:
IV. INSTALLATION
by the Owner or his representative.
1. Two (2) sets of special tools required for removing, disassembling and adjusting
A. Standard of Installation - Material and workmanship shall be in accordance with local codes
3. All local and applicable codes shall take precedence in the furnishing and/or
each type of sprinkler and valve supplied on this project.
and ordinances of legally constituted authorities, except where provisions of these
specifications exceed such requirement, these specifications shall govern.
connecting a 110 volt electrical service to the controller. This service will be
2. Two (2) five foot valve keys for operation of gate valves.
provided by the Owner.
B. Excavations:
1. Excavations shall be open vertical construction sufficiently wide to provide free
M.
Controller Wiring - All electrical equipment and wiring shall comply with local and state codes
3. Two (2) keys for each automatic controller.
working space around the work installed and to provide ample space for backfilling
and be installed by those skilled and licensed in the trade. Unless the governing code
specifies otherwise, low voltage control wire may be installed by the Contractor when code
4. Six (6) quick coupler keys and matching hose swivels for each type of quick
and tamping.
allows.
coupling valve installed.
2. Trenches for pipe shall be cut to required grade lines, and compacted
to provide an accurate grade and uniform bearing for the full length of the line.
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Coverage Test - When the sprinkler system is completed, the Contractor, in the presence
of the Owner's authorized representative, shall perform a test coverage of water afforded
B. The above mentioned equipment shall be turned over to the Owner
at the conlusion of the project. Before final inspection can occur, evidence that the Owner
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the lawn and planting areas, complete and adequate. The Contractor shall furnish all
have received material must be shown to the Architect.
3. When two pipes are to be placed in the same trench it is required to maintain a
materials and perform all work required to correct any inadequacies of coverage disclosed.
6 inch space between pipes as a minimum.
VIII. GUARANTEE
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Contractor shall inform the Owner's representatives of any deviation from the plan required
4. Depth of trenches shall be sufficient to provide a minimum cover above the top of
due to wind, planting, soil or site conditions, that bear on proper coverage.
A. The guarantee for the sprinkler irrigation system shall be made in accordance with the
the pipe as follows:
0.
Inspection of Work:
attached form. The general conditions and supplementary conditions of these specifications
a) 24" inch over A.C. main line
1. Installation and operations must be approved by the Owner and/or Landscape
shall be filed with the Owner or his representative prior to acceptance of the irrigation
b 18 inch over main line, under pressure
Architect.
system.
c) 12 inch over non -pressure lateral lines
2. Prior to commencing work the Contractor shall arrange a meeting with the
B. A copy of the guarantee form shall be included in the operations and maintenance manual.
5. Where it is necessary to excavate adjacent to existing trees, the Contractor shall
use all possible care to avoid injury to trees and tree roots. Excavation in areas
Landscape Architect, at which time the Contractor will be informed specific
instructions required and the method of calling for such inspections as the individual
C. The guarantee form shall be re -typed onto the Contractor's letterhead and contain the
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where two (2) inch and larger roots occur shall be done by hand. All roots two (2)
work is completed.
following information:
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inches and larger in diameter, except directly in the path of pipe or conduit, shall
3. In no event shall the Contractor cover up or otherwise remove from view any work
be tunneled under and shall be heavily wrapped with burlap, to prevent scarring or
under this contract without prior approval of the Landscape Architect. Any work
excessive drying. Where a ditching machine is run close to trees having roots
covered prior to inspection shall be opened to view by the Contractor at his
GUARANTEE FOR SPRINKLER IRRIGATION SYSTEM
smaller than two (2) inches in diameter, the wall of the trench adjacent to the tree
shall be hand trimmed, making clean cuts through roots one (1) inch and larger in
expense.
We hereby guarantee that the sprinkler irrigation system we have furnished and installed is free from
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diameter shall be painted with two coats of Tree Seal, or equal. Trenches adjacent
4. In the event the Contractor requests inspection of work and said work is incomplete,
the Contractor shall be responsible for inspection cost.
defects in materials and workmanship, and the work has been completed in accordance with the
drawings and specifications, ordinary wear and tear and unusual abuse or neglect excepted. We agree
to trees should be closed within twenty-four (24) hours and where this is not
possible the side of the trench adjacent to the tree shall be kept shaded with burlap
P.
Completion - The work will be accepted in writing when the whole shall have been
to repair or replace any defects in material or workmanship which may develop during the period of one
year from date of acceptance and also to repair or replace any damage resulting from the repairing or
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or canvas.
completed satisfactorily to the Landscape Architect. In judging the work, no allowance for
deviation from the be
replacing of such defects at no additional cost to the Owner. We shall make such repairs or
C. Piping on Slopes:
"Brownline"
original plans and specifications will made unless already approved
in writing at proper times.
replacements within 48 hrs. of notification that repair work is necessary, after receipt of written notice.
the event of our failure to make such repairs or replacements within 48 hrs. after receipt of
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1. All piping on slope face or at top of slope shall be galvanized steel pipe or
pipe and shall be secured on surface as indicated on detail.
Q.
Instruction - After the system has been completed, the Contractor shall instruct the Owner
written notice from the Owner, we authorize the Owner to proceed to have said repairs or replacements
2. Pipe which crosses concrete drain benches shall be placed over the surface. Under no
or an authorized representative of the Owner in the operation and maintenance of the
furnish instructions.
made at our expense and we will pay the costs and charges therefore upon demand.
circumstances will pipe be placed beneath concrete benches.
system and shall a complete set of operating
Project:
D. Joiningof Pie - The Contractor is responsible to be familiar with an and all methods of
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General Installation -Any equipment installed by the Contractor and deemed to be for the
Location:
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
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assembling, joining, and installation of the various types of pipe to be used. He will
use of the Owner in various situations (i.e., gate valves, control valves, etc.). shall be so
Tract #:
adhere in strict accordance with manufacturers recommended guide. If during any
phase of the work the Owners representative finds that the Contractor or any of
installed to be readily accessible and quickly operable by the Owner Equipment deemed
by the Owner to be inoperable for its intended purpose shall be given.
Signed:
CURRENT PLANNING
his workmen are not familiar with the recommended procedures, the Contractor
shall arrange with manufacturer of the particular product for the services of a
S.
Clean -Up - Shall be made as each of work Refuse and excess dirt shall
Address:
Telephone:
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qualified manufacturer's representative to instruct workmen in the proper
portion progresses.
amOrganrOth 10�23�2018
recommended procedures.
be removed from the site, all walks and paving shall be broomed or washed down, and any
Date of Acceptance:
damage sustained on the work of others shall be repaired to original conditions.
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STATE OF
Landsca e WASHINGTON
p �� �� REGISTERED
Architectural LAND
UnDm
DS
SURVEYED: SCALE:
SURVEYED HORIZONTAL: NAD 1983/1991
VERTICAL, �� 1988CHRISTELLE
DESIGNED: SCALE
DESIGNED[;%Rl
DATE:
CITY 0 F 02 26 18
FlELDBOOK:
RIDGE 2
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Services
DRAWN:
RENTON PAGE:
FRANK WILLIAM BUSHELL
PO. BOX 11134 TACOMA WA. 98411
> > CERTIFICATE N0. 255
DRAWN
ONE INCH DATUM
CHECKED:
SE 95TH WAY RENTON WASHINGTON DRAWING NO:
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P; 253 671-2221 / EM; FWBLAS@AOL.COM/FRANK.BUSHELLI@GMAIL.COM EXP; 1-20-2019
N0. REVISION BY DATE
AT FULL SCALE Planning/Building/Public Works Dept.
CHECKED C NOT ONE INCH LANDSCAPE IRRIGATION SPECIFICATIONS
APPR APPROVED:SCALESCALE ACCORDINGLY �SHEET:� OF:
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