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HomeMy WebLinkAboutR-397428GENERAL IRRIGATION SPECIFICATIONS CD co E. Flushing of System: O 1 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 O 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 workmanship, including settling of backfilled areas below grade for a period of one (1) year following the date of final acceptance of the work. If, within one year from the date O 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 Q Q accomplished to the complete satisfaction of the Architect. or paving is necessary to bring the system, sod or paving to the proper level of the permanent grades, the Contractor, as part of the work under his contract, shall make all 1� _ II GENERAL REQUIREMENTS F. Pressure Test: adjustments without extra cost to the Owner, including the complete restoration of all 1 w A. Intent - The intent of the drawings and specifications is to indicate and specify a complete 9 P P Y P 1. All pressure lines shall be test under hydrostatic pressure of 150 pounds per square P Y P P P q damaged planting, paving, or other improvements of any kind. and efficient sprinkler irrigation system ready for use in accordance with the manufacturer's recommendations; and, meeting the approval of the Owner's authorized representative inch, and all non -pressure lines shall be tested under the existing static pressure and both be watertight. Contractor shall all equipment for Should any operational difficulties in connection with the sprinkler system develop within proven provide 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 P PP P 9 Note:Testing of pressure supply lines shall be done prior to installation of electric 9 P PP Y P 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. C. Explanation Drawings Due to the drawings, it is to indicate 2. Pressure shall be sustained in the lines for not less than two (3) hours. If leaks develop the be the test the V RECORD AND AS -BUILT DRAWINGS: of - scale of not possible all fittings, The joints shall replaced and repeated until entire system is A. The Contractor shall provide and keep up to date a complete "as -built" record set of blueline Q J offsets, sleeves, etc. which may be required. contractor shall carefully investigate the structural and finished conditions affecting all of his work and plan his work 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. Drawings diagrammatic indicative the to be installed. The 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 M are generally and of work 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. r/ 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 ^' ` V and 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)O 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. Q 2 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. C)or grade discrepancies in 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 ' engineering. Such obstructions or differences should be 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. w 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 legally no to the Owner. D. The Contractor shall dimension from two (2) permanent points of reference, building corners, Q E. Permits and Fees -The Contractor shall obtain and pay for any and all permits and all of at cost 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. inspections as required. shall be tamped and puddled to eliminate any voids. B. Connection to existing electrical power. �_/ LL F. Manufacturer's Directions - Manufacturer's directions and detailed drawin s shall be followed 9 in all cases where the manufacturers of articles used in this contract furnish directions 4. Surplus earth remainin after backfilling shall be disposed of on the premises as C. Gate valves D. Routing of sprinkler pressure lines (dimension max. 100'along routing.) �/ directed by the Owners representative. E. Sprinkler control valves. L.L 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. Q G. Ordinances and Regulations - All local, municipal and state laws, and rules and regulations to this hereby incorporated into 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. w governing or relating any portion of work are 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. U Anything contained in these specifications shall not be construed to conflict with any of the above rules and regulations or requirements of the same. However, when these E. On or before the date of the final inspection, the Contractor shall deliver the corrected and 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 P P Y P 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 regulations, the provisions of these specifications and drawings shall take precedence. by the Owner shall not relieve the Contractor of his responsibilities under the terms of the 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: Construction Supervisor, who will make the necessary arrangements with the Owner. P g 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. co an adjustment stem shall be adjusted on a lateral line for the proper radius, diameter M I. Source of Water Supply - The Contractor shall verify and be familiar with the location, size detail the to the and/or gallonage. 2. Provide one controller chart for each controller supplied. t' J N O and of stubouts, provided as source of water supply 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 O 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. C)all M 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 event the controller sequence is not legible when the drawing is reduced, it shall Q such improvements. If a conflict exists between such obstacles and the proposed work the J. Valves be enlarged to a size that will be readable when reduced. Contractor shall promptly notify the Owner's authorized representative who will arrange for 1. Piping be the drawings H relocations. The Contractor will proceed in the same manner if rock layer or any other systems shall supplied with valves at all points shown on or specified herein, arranged to give complete regulating control throughout. 5. The chart shall be a bla print and a different color shall be condition encountered underground makes changes advisable. Where investigation of used to indicate the areaa oof f coverage for each station. r� subsurface conditions have been made by a qualified body in areas where work is to be 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 they are installed unless otherwise noted. 6. When hermetically two use of such information but will be directly responsible for its verification and accuracy. 3. Control valves shall be adjusted so the most remote sprinkler heads operate at the completed and approved, the chart shall be sealed between pieces of plastic, each piece being a minimum 10 mils. thick. K. Verification of Finish Grade - The Contractor shall verify the correctness of all finish grades within the work area in order to insure the proper soil coverage (as specified) of the sprinkler pressure recommended by the head manufacturer. Control valves shall be 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. 1. Plastic valve boxes (Amatek or approved equal) shall be one (1) inch above the 2. Catalog and parts sheets on every material and equipment installed under this 2. Complete material list shall be submitted prior to performing any work. Material list designated finish grade in lawn areas and two (2) inches above finish grade in contract. 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 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. VI 1. 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. N. 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 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 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 where two (2) inch and larger roots occur shall be done by hand. All roots two (2) work is completed. following information: 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 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 or canvas. completed satisfactorily to the Landscape Architect. In judging the work, no allowance for replacing of such defects at no additional cost to the Owner. We shall make such repairs or C. Piping on Slopes: deviation from the original plans and specifications will be 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. In 1. All piping on slope face or at top of slope shall be galvanized steel pipe or "Brownline" and shall be secured on surface as indicated on detail. Q. Instruction -After the system has been completed, the Contractor shall instruct the Owner the event of our failure to make such repairs or replacements within 48 hrs. after receipt of written notice from the Owner, we authorize the Owner to proceed to have said repairs or replacements P P P R-397428 pipe the Owner in the the made at our expense and we will pay the costs and charges therefore upon demand. 2. Pipe which crosses concrete drain benches shall be placed over the surface. Under no or an authorized representative of operation and maintenance of circumstances will pipe be placed beneath concrete benches. system and shall furnish a complete set of operating instructions. Project: Q D. Joining of Pie - The Contractor is responsible to be familiar with an and all methods of P P y R. General Installation -Any equipment installed by the Contractor and deemed to be for the Location: IN COMPLIANCE WITH CITY OF RENTON STANDARDS 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 Address: shall arrange with manufacturer of the particular product for the services of a S. Clean -Up -Shall be made as each portion of work progresses. Refuse and excess dirt shall Telephone: r� O mherrera 07�31 �2018 O qualified manufacturer's representative to instruct workmen in the proper be removed from the site, all walks and paving shall be broomed or washed down, and any Date of Acceptance: recommended procedures. damage sustained on the work of others shall be repaired to original conditions. i U) STATE OF w WASHINGTON Landscape REGISTERED DATE: Q I LANDSCAPE ARCHITECT Architectural �� 1AS IServices O.W.B_JA SURVEYED: SCALE: VERTICAL, NAw 1989 SURVEYED SCALE HORIZONTAL: NAD 1983/1991 DESIGNED: DESIGNED % P R ❑ J E C � CEDAR RIDGE S H ❑ R T PEAT 10/20/2017 CITY OF OK: CITY OF RENT❑N, WASHINGT❑N DRAWN: PAGE:FIELD PAGEI R E N TO N FRANK WILLIAM BUSHELL 2. FB3 6 PER ENGINEER REQUEST , DRAWN � 156TH AVENUE SE, & SE. 2ND PLACE DRAWING N0: PO. BOX 11134 TACOMA, WA., 98411 CERTIFICATE NO. 255 I ONE INCH DATUM 0 Li ADDED BUMP OUT AT CORNER Fg 10/20 1 CHECKED: AT FULL SCALE Planning/Building/Public Buildin��ryl CHECKED Public Works Deftt Dept. P; 253 671 2221 / EM; FWBLAS@AOL.COM/FRANK.BUSHELLI@GMAIL.COM EXP; 1-20-2019 IF NOT ONE INCH 7/ SCALE ACCORDINGLY 7/ IRRIGATI❑N SPECIEICATINS 0 I NO. REVISION BY DATE APPR APPROVED: SHEET: OF: I-3 4 C) APPROVED