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HomeMy WebLinkAbout4072-9GENERAL COND1 TIONS 1. CONTRACT DOCUMENTS. Shall consist of specifications and its general conditions and the drawings. The intent of these documents is to include all labor, materials, and services necessary for the proper execution of the work. The documents are to be considered as one, and whatever is called for by any part shall be as binding as if called for by all parts. 2. VERIFICATION: The contractor shall verify measurements on the drawings before beginning work. in case of error or discrepancy in the drawings or specifications or in work of others affecting his work, he shall notify the owner's representative immediately. The contractor shall be held responsible for any damage or loss due to his failure to observe these instructions. 3 LICENSE: All work shall be performed by a C -27 -California Licensed Landscape Contractor. 4. INSURANCE: The Contractor shall carry all Workman's Compensation, Public Liability and Property Damage insurance as required by all applicable codes, regulations and the owner. 5. LANDSCAPE ARCHiTECT°S LIABILITY: The owner and contractors, recognizing the inherent risks connected with construction, agree to limit any and all liability, claim for damages, cost of defense, or expenses to be levied against the Landscape Architect on account of any design defect, error, omission, or professional negligence to a sum not to exceed $50,000, or the amount of the Landscape Architect's fee, whichever is lesser. 6. CONSTRUCTION SAFETY: The design, adequacy and safety of erection, excavation, bracing, shoring, temporary supports, etc., is the sole responsibility of the Contractor, and has not been considered by the Landscape Architect or his consultants. The contractor is responsible for the stability of any structures and excavations and shall provide the necessary bracing to provide stability during the entire construction progress. Observation visits to the site by the Landscape Architect or his consultants shall not include inspection of the above items. 7. SURVEYS, PERMITS, REGULATIONS: The owner shall furnish an adequate survey of the property. The contractor shall obtain and pay for all permits and comply with all laws and ordinances bearing on the operation or conduct of the work as drawn and specified. If the contractor observes that a variance exists therewith he shall promptly notify the owner's representative in writing, and any necessary changes shall be adjusted as provided in the contract for changes in the work. 8. PROTECTION OF WORK, PROPERTY AND PERSON: The contractor shall adequately protect the work adjacent property and the public, and shall be responsible for any damage or injury due to his act. 9. CHANGES IN THE WORK: The owner may order changes in the work. The contract sum being adjusted accordingly. All such orders and adjustments plus claims by the contractor for extras must be made before executing the work involved. 10. PROVISIONS FOR EXTRAS. No new work of any kind shall be considered an extra unless a separate estimate is given for said work before it is commenced and until same is approved by the owner, and then not unless the owner first so ordered in writing and the particular extra work is specified in writing and the cost agreed upon between the owner and the contractor. Except for extra work ordered by the owner according to unit prices which have been bid, any extra work performed, not authorized as provided above, will not and cannot be paid for by the owner. 11. SUBSTITUTIONS. All materials shall be specified unless the contractor can establish the fact that they are unavailable, and substitutions are approved in writing by the Landscape Architect. 12. CORRECTION OF WORK: The contractor shall re -execute any work that fails to conform to the requirements of the contract and shall remedy defects due to faulty materials or workmanship upon written notice from the project manager for a period of ninety (90) days from date of completion of the contract. The irrigation system shall carry a one year guarantee. The paragraph applies to the work of subcontractors as well as employees of the contractor. 13. LANDSCAPE COORDINATORS STATUS: The landscape coordinator acts as the authorized representative of the owner in conjunction with the project manager, and has the authority to accept of reject materials or workmanship and to make minor changes in work not involving extra cost. He will also interpret the meaning of the contract documents and may stop the work if necessary to insure its proper execution. 14. CLARIFICATION OF DRAWINGS BEFORE BIDDING: After reviewing the drawings thoroughly it is the contractors responsibility to clarify with the Landscape Architect or owners representative, any questions the contractor may have regarding the method of construction, quantities, or quality of materials indicated or called out. If the contractor cannot contact the Landscape Architect or owner's representative, the contractor must qualify his bid or accept the interpretation of the Landscape Architect or owner's representative on the questionable areas as they develop during construction. 15. SAMPLES. The Landscape Architect reserves the right to take and analyze samples of materials for conformity to specifications at any time. The contractor shall furnish samples upon request by the Landscape Architect. Rejected material shall be immediately removed from the site and replaced at contractors expense. The cost of testing materials not meeting specifications shall be paid for by the contractor. 16. PRE -CONSTRUCTION CONFERENCE: Schedule a pre -construction meeting with the Landscape Architect at least 7 days before beginning work. The purpose of this conference is to review any questions the contractor may have regarding the work administrative procedures during constructions and project work schedule. 17. COMPLETION: Completion is defined as being when all conditions of the contract have been accomplished. Specifically when all items are Installed, the areas cleaned and the maintenance period satisfactorily completed, and hen all special tools and equipment, instructions, written guarantees, as -built plans, lien releases and any items required by the contract documents have been properly executed and delivered to the owner. The Landscape Architect shall have full authority to accept or reject the contract items and will promptly notify the owner of completion. 18. GUARANTEE. In addition to specified guarantees provided for in the separate sections of the specifications, the contractor shall guarantee in writing all workmanship and materials to be free from defect for a period of one year from the date of acceptance of the work by the owner without additional cost to the owner. IRRIGATION SPECIFICATIONS C. BACKFLOW PREVENTER: The backflow prevention device V. DRAWINGS (AS-BUILTS): specified herein shall be verified with Local Plumbing 1. SCOPE OF WORK: and Health Codes. In the event of any conflict on the Procure from Landscape Architect transparency (ozalid) device or installation methods the Landscape Architect of popping layout and accurately locate valves, The Contractor shall provide all labor, tools, shall be notified PRIOR TO BID OPENING existing trees for future use, remote control valves machinery and processes necessary to install a with number of stations, and wiring from controllers complete irrigation system as shown on the plans D. TESTS: to remote control valves. Dimension from two and/or specified herein. When completed the permanent features such as buildings and walks. After irrigation system shall be 1009 coverage system in 1. All main lines and lateral lines which have final inspection and before final payment, total functioning manner. glued joints under paving in the system shall be transparency shall be delivered to Landscape capped and pressured tested at 150 psi. Architect. One set of prints shall be supplied to 11. GENERAL REQUIREMENTS: Owner by the Contractor. 2. Pressure shall be sustained in the lines for not A. VERIFICATION OF DIMENSION: All scaled dimensions are less than four hours. If leaks develop the VI. CLEANUP. approximate. Before proceeding with any work, the joints shall be replaced and the test repeated Contractor shall carefully check and verify all until the entire system is watertight. A. SCOPE AND FREQUENCY After all installation dimensions, spacing of sprinkler heads, location of operations have been completed, remove all trash, valves and vacuum breakers, and proposed P.O.C. shall J. Tests shall be observed and approved by Owner's excess soil and rubbish from the property. All scars, be as indicated on the drawings. Any deviation from representative prior to backfill. ruts or other marks in the area caused by this work the plans must have the approval of the Owner's shall be repaired and the ground left in a neat Representative or the Landscape Architect. 4. When the sprinkler system is completed, (and and orderly condition throughout the site. The before planting is begun) the Contractor, in the Contractor shall pick up all trash resulting from this B. VERIFICATION OF FiNISH GRADE: The Contractor shall presence of the Owner's representative, shall work no less than each Friday before leaving the site, inspect the site and check all finish grades within test the coverage of water afforded the lawn and once a week and/or the last working day each week. the work area in order to insure the proper soil planting areas as completed and adequate. The All trash shall be removed completely from the site. coverage (as specified) of sprinkler system pipes. Contractor shall furnish all materials and perform all work required to correct any W1. COMPLETION: C. WATER SUPPLY The Contractor shall verify and be inadequacies of coverage disclosed. familiar with the source of water supply to the A. INSPECTION: Inspection of complete irrigation system sprinkler as indicated on the drawings. 5. The Contractor shall inform the Owner's will be made at pre -maintenance and final inspection representative of any deviation from the plan for planting, per arrangement with Landscape D. PERMITS AND FEES: The Contractor shall apply and pay required by wind,planting, soil or site Architect. for all necessary permits and fees required in the conditions that bear on present coverage. pursuit of his work as required by the governing B. GUARANTEES. The entire sprinkler system shall be codes. E. SPRINKLER HEAD INSTALLATION. guaranteed by the contractor as to material and workmanship, including settlingof back filled areas E. CARE OF EXISTING BUILDINGS AND SITE. -The Contractor 1. Shrubbery or ground cover spray heads adjacent below grade for a period of ) year following the shall be held responsible for the care and to curbs or walks shall be installed 6" away date of final acceptance of the work. if, within one preservation of all existing buildings and structures from the curb or walk and the nozzle shall be 6" year from the date of completion settling occurs, and on the property and adjacent premises and contiguous above finished grade, unless otherwise adjustments in pipes, valves and sprinkler heads, sod indicated or paving is necessary to bring the system, sod or disturbed because of his work shall be repaired, paving to the proper level of the permanent grades, replaced, or cleaned by him at his expense. 2. Shrubbery spray heads adjacent to buildings, the Contractor, as part of work under this contract, fences, or similar structures shall be installed shall make all adjustments without extra cost to the F. REVIEW OF DRAWINGS: it is the Contractor's 6" away from the structure and the nozzle shall Owner, including the complete restoration of all responsibility to review irrigation drawings and note be 6" above finished grade. Shrubbery spray damaged planting, paving or other improvements of any any areas he believes additional heads or valves are heads not near paving or structures shall be set kind required prior to submitting a bid. If no changes are 6" above finish grade, unless other wise submitted the Contractor is responsible for full indicated. C. RESPONSIBILITY: Should any operational difficulties coverage of the sprinkler system and providing in connection with the sprinkler system develop within additional equipment as necessary at the Contractor's 3. All sprinkler heads are to have swing joints as the specified guarantee period which is in the opinion expense. detailed of the Landscape Architect due to inferior material and/or workmanship, said difficulties shall be G. GOVERNING REGULATION. All local, municipal and state 4. Install sprinkler heads per details. immediately corrected by the Contractor to the laws, rules and regulations governing or relating to satisfaction of the Landscape Architect at no any portion of this work are hereby incorporated into F. SPRINKLER HEAD ADJUSTMENTS: additional cost to the Owner, including any and and made a part of these specifications, and their all other damage caused by such defects. provisions shall be carried out by the sprinkler 1. The irrigation Contractor shall flush and adjust contractor. all sprinkler heads for optimum performance and D. INSTRUCTION: After the system has been completed and to prevent over spray onto walks and buildings as the connections made, the Contractor shall instruct H. DIAGRAMMATIC DESIGN: This design is diagrammatic. much as possible. This shall include selecting the Owner or his representative, in the operation and All pipe, valves, etc. shown within paved areas are the best degree of arc to fit existing site maintenance of the system. for design clarification only and shall be installed situations. in planter areas where possible. Never install E. TEMPORARY REPAIRS: The Owner reserves the right to backflow preventers in lawn areas, always in shrub G. CLOSING IN UNINSPECTED WORK: make temporary repairs as necessary to keep the areas. sprinkler system equipment in operating condition. The Contractor shall not allow or cause any of his The exercise of this right by the Owner shall not 1. INSTALLATION. All irrigation materials shall be work to be covered or enclosed until it has been relieve the Contractor of his responsibilities under installed in accordance with the techniques and inspected, tested and approved by an authorized the terms of the guarantee as herein specified. specifications set forth by each respective representative of the Owner. Should any of his work manufacturer. All pertinent descriptive literature be enclosed or covered before such inspection and issued by these manufacturers becomes part of these test, he shall uncover the work at his own expense and specifications after having been approved by the after it has been inspected, tested, and approved, Owner's authorized representative. Such installation shall make all repairs with like materials necessary PLANTING SPECIFICATIONS practices shall be followed only if the directions of to restore all his work and that of other Contractors the irrigation drawings and specifications do not to its original condition 1. SCOPE OF WORK: thoroughly and completely order the methods or techniques to be followed. Install all equipment and A. Furnish all labor, materials, and equipment necessary materials as shown in details. H. BACK FILLING to provide and install plant materials as shown on the drawings or as specified herein. J. SITE PROBLEMS: The irrigation Contractor shall not 1. Back fill shall not be placed until the installed willfully install the sprinkler system as indicated on sprinkler system has been inspected and approved B. Work included in this Section -(items included but not drawings when it is obvious in the field that there by the Owner's representative. limited to): are unknown obstructions, grade differences, and/or discrepancies in the area dimensions until such 2. Trenches shall be back filled with a minimum of 1. Grade, including mounding, molding and shaping conditions are brought to the attention of the 4" of fine granular materials to protect, the surfaces of all planting areas as indicated Landscape Architect. pipe from the clods of rocks the remaining including the removal of existing vegetation excavated dirt can be used as backfill. The unless otherwise specified. Ill. MATERIALS: Contractor shall not place detrimental subsoil in the top 6" of backfill. 2. Prepare and till soil in planting areas A. Sprinkler materials and equipment shall be of type, including furnish of all soil amendments as size and location as noted and indicated on the 3. If settlement occurs and adjustments in pipes, specified. drawings. Unless permission to change is granted from valves, sprinkler heads or sod are necessary to the Landscape Architect or Owner's Representative, bring the system to proper working order, the 3. Furnish and plant all plant materials as material are to be new and in perfect condition. No Contractor shall as a part of the work under indicated by the drawings and specifications. deviations from the specifications shall be allowed this contract make all the necessary adjustment The decision of the Landscape Architect shall be final without extra cost to the Owner. 4. Perform all pruning as required in the determination of the quality of materials. 1. AUTOMATIC CONTROLLER AND VALVES: 5. Stake and tie all plant material as specified. B. EQUIPMENT TO 8E FURNISHED: 1. A 120 volt electrical power outlet to the 6. Provide for the maintenance of the planting 1. Supply as a part of this contract the following controller shall be provided by others. The until acceptance of the job by the Landscape tools: irrigation Contractor shall be responsible for Architect. making the hookup from the outlet to the Two (2) sets of special tools required for controller. 7. Dispose of all debris and surplus materials. removing, disassembling and adjusting each type of sprinkler and valve supplied on 2. All wire from the controller to electric control 8. Clean up this project. valves shall be solid copper U F # 14=600 volt direct burial. Use white wire for common, blue 9. Guarantee Two (2) five foot valve keys for operation of for lawn systems, black for shrub systems and gate valves. red for irrometer common control wire. install 10. Maintenance in common trench with main line pipe where Two (2) keys for each automatic controller. possible. Provide minimum 18" cover. 1i. VERIFICATION OF SITE CONDITIONS: Four (4) quick coupler keys and matching hose 3. Wire connections shall be made with "Scotch -Lok" A. EXCAVATION: The Contractor shall verify exact swivels for each type of quick coupling valve wire connector sealing packs #3576 or Spears "Dri-splice" locations of all existing subsurface utilities installed. with sealant DS 300. mechanical and electrical prior to excavation. Any utilities A.C., paving, concrete work etc., destroyed 2. Turn over the required equipment to the Owner at 4. There shall be a control wire from each control or damaged by any work under this contract shall be the conclusion of the project, prior to final valve running to the controller, and each repaired or replaced at the Contractor's expense. inspection. control valve shall be connected to the common ground. B. SUBSURFACE DRAINAGE OR SOIL CONDITIONS. Should sub - surface drainage or soil conditions be encountered IV. INSTALLATION: 5. All electrical work shall comply with applicable which would be detrimental to growth or survival of codes. plant material, the Contractor shall notify the A. EXCAVATION: Landscape Architect in writing stating the conditions 6. Install all valves per details. and submitting a proposal covering cost of correction 1. The Contractor shall verify exact locations of if the Contractor fails to notify the Landscape all existing subsurface utilities (any Architect of such conditions he shall be responsible mechanical and electrical) prior to excavation. for plant material under the guarantee clause of the Any utilities, A.C. paving, concrete work,etc., specification. destroyed or damaged by any work under this contract shall be repaired or replaced at the C. DIMENSIONS: All scaled dimensions are approximate. Contractor's expense. Before proceeding with any work, the Contractor shall carefully check and verify an dimensions and 2. Trenches for pipe shall be cut to required grade quantities and shall immediately inform the Landscape line at a true gradient to provide uniform Architect of any discrepancy between the information support for the full length of pipe. on the drawings and actual conditions refraining from doing any work in said areas until given approval to 3. Depth of trenches shall be sufficient to provide do so by the Landscape Architect. a minimum cover above the top of the pipe as noted on the drawings. B. JOINING PIPE: 1. The Contractor is responsible to be familiar with the methods of assembling, joining, and installing the various type of pipe to be used. He will adhere in strict accordance with the manufacturer's recommended procedures. 2. No PVC pipe shall be threaded and all transition from PVC to metal piping shall be by PVC male, thread adapter fitting. 111. MATERIALS: A. SOIL AMENDMENTS: 1. Organic Amendment - shall be nitrogen -stabilized shavings, bark or sawdust that meets the following requirements: Particle size: Minimum 95% passing 4 mesh screen (1/42 Minimum 807' passing 8 mesh screen (1/8 ) Salinity. Shall be no higher than 3.5 millions per centimeter at 25 C as measured by saturation extract conductivity. Nitrogen content: 0.7% for sawdust or shavings 1.07 for baric 2. Commercial Fertilizer - shall be commercial grade, granular, pre -plant" fertilizer. One half of the container nitrogen shall be readily available for initial feeding. The remaining half of the nitrogen and all of the contained potash shall be derived from non -leaching, coated, controlled release fertilizer for sustained feeding of four to six months, in a slow soluble, non -burning form. Fertilizer shall be delivered to the site in the original unopened container, bearing the manufacturer's guaranteed analysis. Any fertilizer that becomes caked or damaged, making it unsuitable for use, will not be accepted. 3. Soil Conditioners - shall be agricultural grade gypsum, soil sulfur and iron sulfate. 4. Fine Sand - shall be clean, natural fine sand free from deleterious material weed seeds, clay balls or rock with 957. minimum passing a No. 4 sieve and 10 maximum passing a No. 100 sieve. 5. Peat Moss - shall be a commercial, baled Canadian sphagnum material, with ph of 4.5 to 5.5 the moss shall be free of woody material and minerals or foreign matter harmful to plant life. "Sunshine" brand or equal. B. TOPSOIL: 1. Topsoil shall consist of a fertile, friable natural loam of uniform quality free from subsoil, hard clods, stiff clay, hard pan, sods, partially disintegrated debris, or any other undesirable material. 2. Topsoil shall not contain obnoxious weeds, such as morning glory, spore, oxtails, spurge, annual poo, nut grass or bermuda grass. In no case shall there be more than 59. by volume of the following: * stones smaller than one inch * coarse sand * small clay lumps 3. Size - the size of the plants will correspond with that normally expected for species and variety of commercially available nursery stock, or as measured before pruning with the branches in normal position, shall have normally well developed branch systems, and vigorous and fibrous root systems which are not root or pot bound. All inspection certificates required by law shall accompany each shipment and be delivered to the Owner. 4. The caliper of all trees shall be measured 4" above the surface of the ground. 5. Where caliper or other dimensions of any plant materials are omitted from the plant list it shall be understood that these plant materials shall be normal stock for type listed. 6. Plant material shall be symmetrical typical for variety and species and shall conform to measurements specified in the plant list. 7. Quantities shown on the call outs on the Planting Plan are for the convenience of the Contractor only. Quantities drawn on the plan (whether by circles or dots) are the final authority and shall be furnished and installed as drawn. 8. Rejection or Substitution - all plants not conforming to the requirements herein specified, shall be considered defective, and such plants, whether in place or not, shall be marked as rejected and immediately removed from the site of the work and replaced with new plants at the Contractor's expense. The plants shall be of the species, variety, size and condition specified on the drawings. Under no condition will there be any substitution of plants or sizes for those listed on the accompanying plans, except with the expressed consent of the Owner. D. SEED MATERIALS.- 1. ATERIALS.1. Seed shall be clean, fresh, new crop seed and shall be the mixture as noted in the General Notes on the Planting Plan. 2. Seed shall be mixed by a dealer and furnished with the dealer's guaranteed statement of composition and percentage of purity which shall be furnished to the Landscape Architect. E. STAKES: All stakes shall be as per details. 1V. OBSTRUCTION BELOW GROUND A. CONTRACTOR'S RESPONSIBILITY The Contractor is responsible for verifying the location of all utility lines and other underground obstructions so that proper precautions may be taken not to disturb or damage such improvements. In the event of a conflict between such lines and plant locations, the Contractor shall promptly notify the Landscape Architect, who shall arrange for the relocation of one or the other. Failing to follow this procedure, the Contractor shall at his own expense make any and all repairs for damages resulting from his work. V. FINISH GRADING A. TILLING. Till all planting areas as herein specified. B. UNIFORM GRADE. After tilling, all areas shall be brought to uniform grade by floating or hand raking. C. GRADE RELATIONSHIPS. Finish grade of planting areas after application of soil amendments shall be 1" below top of concrete walks and curb grades and 6" below finish floor of building or as noted by spot elevations. D. SLOPE FROM BUILDINGS: Soil areas adjacent to buildings shall slope away from the buildings at 27. minimum for 10 feet, and shall continue to slope at a minimum of M until water drains to street or storm system. E. ROCKS OR CLODS. No rock or clods over 3/4" in diameter shall be on top of prepared planting bed.