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Home My WebLink About107133 BATH INC - CONTRACT - BID - 7511 PORTNER SUBSTATION LANDSCAPINGSERVICES AGREEMENT THIS AGREEMENT made and entered into the day and year set forth below by and between THE CITY OF FORT COLLINS, COLORADO, a Municipal Corporation, hereinafter referred to as the "City" and BATH INC, hereinafter referred to as "Service Provider". WITNESSETH: In consideration of the mutual covenants and obligations herein expressed, it is agreed by and between the parties hereto as follows: 1. Scope of Services. The Service Provider agrees to provide services in accordance with the scope of services attached hereto as Exhibit "A", consisting of fifty-seven (57) pages and incorporated herein by this reference. Irrespective of references in Exhibit A to certain named third parties, Service Provider shall be solely responsible for performance of all duties hereunder. 2. Time of Commencement and Completion of Services. The services to be performed pursuant to this Agreement shall be initiated within five (5) days following execution of this Agreement. Services shall be completed no later than sixty calendar days after the notice to proceed is issued. Time is of the essence. Any extensions of the time limit set forth above must be agreed upon in a writing signed by the parties. 3. Delay. If either party is prevented in whole or in part from performing its obligations by unforeseeable causes beyond its reasonable control and without its fault or negligence, then the party so prevented shall be excused from whatever performance is prevented by such cause. To the extent that the performance is actually prevented, the Service Provider must provide written notice to the City of such condition within fifteen (15) days from the onset of such condition. 4. Early Termination by City/Notice. Notwithstanding the time periods contained herein, the 1.05 SUBMITTALS A. Photographs or videotape, sufficiently detailed, of existing conditions of trees and plantings, adjoining construction, and site improvements that might be misconstrued as damage caused by site clearing. B. Record drawings, according to Division 1 Section "Project Record Documents," identifying and accurately locating capped utilities and other subsurface structural, electrical, and mechanical conditions. 1.06 QUALITY ASSURANCE A. Pre -installation Conference: Conduct conference at Project site to comply with requirements in Division 1 Section "Project Management and Coordination." 1.07 PROJECT CONDITIONS A. Traffic: Minimize interference with adjoining roads, streets, walks, and other adjacent occupied or used facilities during site -clearing operations. I. Do not close or obstruct streets, walks, or other adjacent occupied or used facilities without permission from Owner and authorities having jurisdiction. 2. Provide alternate routes around closed or obstructed traffic ways if required by authorities having jurisdiction. B. Improvements on Adjoining Property: Authority for performing site clearing indicated on property adjoining Owner's property will be obtained by Owner before award of Contract. Do not proceed with work on adjoining property until directed by Owner's Representative. C. Salvable Improvements: Carefully remove items indicated to be salvaged and store on Owner's premises where indicated. D. Utility Locator Service: Notify utility locator service for area where Project is located before site clearing. E. Do not commence site clearing operations until temporary erosion and sedimentation control measures are in place. PART 2 — PRODUCTS - Not Applicable PART 3 - EXECUTION 3.01 PREPARATION A. Protect and maintain benchmarks and survey control points from disturbance during construction. SITE CLEARING SECTION 02230 B. Locate and clearly flag trees and vegetation to remain or to be relocated. C. Protect existing site improvements to remain from damage during construction. Restore damaged improvements to their original condition, as acceptable to Owner. 3.02 TEMPORARY EROSION AND SEDIMENTATION CONTROL A. Provide temporary erosion and sedimentation control measures to prevent soil erosion and discharge of soil -bearing water runoff or airborne dust to adjacent properties and walkways, according to requirements of authorities having jurisdiction. B. Inspect, repair, and maintain erosion and sedimentation control measures during construction until permanent vegetation has been established. C. Remove erosion and sedimentation controls and restore and stabilize areas disturbed during removal. 3.03 TREE PROTECTION A. Erect and maintain temporary fencing around tree protection zones before starting site clearing. Remove fence when construction is complete. l . Do not store construction materials, debris, or excavated material within fenced area. 2. Do not permit vehicles, equipment, or foot traffic within fenced area. 3. Maintain fenced area free of weeds and trash. B. Do not excavate within tree protection zones, unless otherwise indicated. C. Where excavation for new construction is required within tree protection zones, hand clear and excavate to minimize damage to root systems. Use narrow -tine spading forks, comb soil to expose roots, and cleanly cut roots as close to excavation as possible. 1. Cover exposed roots with burlap and water regularly. 2. Temporarily support and protect roots from damage until they are permanently redirected and covered with soil. 3. Coat cut faces of roots more than 1-1/2 inches in diameter with an emulsified asphalt or other approved coating formulated for use on damaged plant tissues. 4. Backfill with soil as soon as possible. D. Repair or replace trees and vegetation indicated to remain that are damaged by construction operations, in a manner approved by Owner's Representative. 1. Employ an arborist, licensed in jurisdiction where Project is located, to submit details of proposed repairs and to repair damage to trees and shrubs. 2. Replace trees that cannot be repaired and restored to full -growth status, as determined by Owner's Representative. SITE CLEARING SECTION 02230 3.04 UTILITIES A. Owner will arrange for disconnecting and sealing indicated utilities that serve existing structures before site clearing, when requested by Contractor. Verify that utilities have been disconnected and capped before proceeding with site clearing. B. Locate, identify, disconnect, and seal or cap off utilities indicated to be removed. 1. Arrange with utility companies to shut off indicated utilities. 2. Owner will arrange to shut off indicated utilities when requested by Contractor. C. Existing Utilities: Do not interrupt utilities serving facilities occupied by Owner or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated: 1. Notify Owner's Representative not less than 2 days in advance of proposed utility interruptions. 2. Do not proceed with utility interruptions without Owner's Representative written permission. D. Excavate for and remove underground utilities indicated to be removed. 3.05 CLEARING AND GRUBBING A. Remove obstructions, trees, shrubs, grass, and other vegetation to permit installation of new construction. l . Do not remove trees, shrubs, and other vegetation indicated to remain or to be relocated. 2. Cut minor roots and branches of trees indicated to remain in a clean and careful manner where such roots and branches obstruct installation of new construction. 3. Grind stumps and remove roots, obstructions, and debris extending to a depth of 18 inches below exposed sub -grade. 4. Use only hand methods for grubbing within tree protection zone. 5. Chip removed tree branches and of off -site. B. Fill depressions caused by clearing and grubbing operations with satisfactory soil material unless further excavation or earthwork is indicated. Place fill material in horizontal layers not exceeding a loose depth of 8 inches, and compact each layer to a density equal to adjacent original ground. C. Excavate adjacent to existing sidewalks to a depth of 3" to allow for mulch installation. SITE CLEARING SECTION 02230 3.06 SITE IMPROVEMENTS A. Remove existing above- and below -grade improvements as indicated and as necessary to facilitate new construction. B. Remove slabs, paving, curbs, gutters, and aggregate base as indicated. I. Unless existing full -depth joints coincide with line of demolition, neatly saw -cut length of existing pavement to remain before removing existing pavement. Saw -cut faces vertically. 2. Paint cut ends of steel reinforcement in concrete to remain to prevent corrosion. 3.07 DISPOSAL A. Disposal: Remove surplus soil material, unsuitable topsoil, obstructions, demolished materials, and waste materials including trash and debris, and legally dispose of them off Owner's property. Separate recyclable materials produced during site clearing from other non -recyclable materials. Store or stockpile without intermixing with other materials and transport them to recycling facilities. END OF SECTION SITE CLEARING SECTION 02230 SECTION 02231 -TREE PROTECTION PART 1-GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division I Specification Sections, apply to this Section. 1.2 SUMMARY A. This Section includes the protection of existing trees that are affected by, execution of the Work, whether temporary or permanent construction. 1.3 DEFINITIONS A. Tree Protection Zone: Area surrounding individual trees or groups of trees to remain during construction, and defined by the drip line or 15 feet from the trunk (whichever is greater) of individual trees or the perimeter drip line or 15 feet from the trunks of the outermost trees in the group (whichever is greater), unless otherwise indicated. Tree Protection Zones shall be fenced as outlined below. 1.4 SUBMITTALS A. Product Data: For each type of product indicated. 1.5 QUALITY ASSURANCE A. Pre -installation Conference: Conduct conference at Project site to comply with requirements in Division I Section "Project Management and Coordination." Before tree protection begins, meet with representatives of authorities having jurisdiction, Owner, Landscape Architect, consultants, and other concerned entities to review tree protection procedures and responsibilities. PART 2-PRODUCTS 2.1 MATERIALS A. Drainage Fill: Selected crushed stone, or crushed or uncrushed gravel, washed, ASTM D 448, Size 24, with 90 to 100 percent passing a 2-1/2-inch (63-mm) sieve and not more than 10 percent passing a 3/4-inch (19-mm) sieve. TREE PROTECTION AND TRIMMING 02231 - 1 B. Topsoil: Natural or cultivated surface -soil layer containing organic matter and sand, silt, and clay particles; friable, pervious, and black or a darker shade of brown, gray, or red than underlying subsoil; reasonably free of subsoil, clay lumps, gravel, and other objects more than 1 inch (25 mm) in diameter; and free of weeds, roots, and toxic and other non -soil materials. 1. Obtain topsoil only.from well -drained sites where topsoil is 4 inches (100 mm) deep or more; do not obtain from bogs or marshes. C. Fencing material shall be a bright, contrasting color (i.e. orange snow fencing), durable, and at least 4 feet high. Fence posts shall be comparable to metal T-posts or heavier posts and placed at least 2 feet below ground. D. Filter Fabric: Manufacturer's standard, nonwoven, pervious, geotextile fabric of polypropylene, nylon, or polyester fibers. E. Organic Mulch: Ground or shredded bark, free of deleterious materials. PART 3 - EXECUTION 3.1 PREPARATION A. Tree Fencing 1. Fencing material shall encircle any tree whose outer dripline edge is within 20 feet of any construction activities. 2. Fencing material shall be placed at the dripline or at least 15 feet from any tree trunk, whichever distance is greater, and maintained in an upright position throughout the duration of construction activities. 3. hleavy objects, such as wood pallets or metal railings, shall not lean against or come into contact with any tree trunk. 4. , Do not store construction materials, debris, or excavated material inside tree protection zones. 5. Do not permit vehicles or foot traffic within tree protection zones; prevent soil compaction over root systems. Revise fence installation requirements in subparagraph below if another fence system is specified. B. Protect tree root systems from damage caused by runoff or spillage of noxious materials while mixing, placing, or storing construction materials. Protect root systems from ponding, eroding, or excessive wetting caused by dewatering operations. 3.2 SOIL COMPACTION PREVENTION A. To prevent soil compaction, designated routes for equipment and foot traffic by work crews shall be determined prior to commencing construction activities and shall avoid all Tree Protection Zones. B. The contractor shall inform all construction crew members on the site of access routes and will ensure that only these routes are used. TREE PROTECTION AND TRIMMING 02231 -2 C. To prevent tree root smothering, no soil stockpiles, supplies, equipment, or any other material shall be placed or stored within any Tree Protection Zone. D. Soil around a tree drip line may be required to be aerated during and after construction activities. This is necessary even when compaction results from heavy foot traffic. A professional arborist shall do the vertical aeration, soil fracturing or soil air spading. Conventional turf aeration is not acceptable. E. When foot traffic or equipment use is unavoidable within the drip line, the area within the drip line shall be mulched with wood chips to a depth of 6 inches before construction activity begins. A 6-inch mulch depth shall be maintained for the duration of the project, and then removed when construction activities are completed. 3.3 EXCAVATION A. Install shoring or other protective support systems to minimize sloping or benching of excavations. B. Do not excavate within tree protection zones, unless, otherwise indicated. C. Retain paragraph below if construction excavation within tree protection zones is unavoidable. D. Where excavation for new constriction is required within tree protection zones, hand clear and excavate to minimize damage to root systems. Use narrow -tine spading forks and comb soil to expose roots. 1. Redirect roots in backfill areas where possible. If encountering large main lateral roots, expose roots beyond excavation limits as required to bend and redirect them without breaking. If encountered immediately adjacent to location of new construction and redirection is not practical, Forestry staff shall be notified and appropriate pruning tools (scissors -type hand pruners and loppers, except anvil -types, and arborist-type pruning saws).shall be used to make clean cuts to avoid shredding or smashing. Root pruning cuts should be made back to a lateral root. 2. Do not allow exposed roots to dry out before placing permanent backfill. Provide temporary earth cover or cover with wet burlap. Water and maintain in a moist condition. Temporarily support and protect roots from damage until they are permanently relocated and covered with soil. E. Where utility trenches are required within tree protection zones, tunnel under or around roots by drilling, auger boring, pipe jacking, or digging by hand. Root Pruning: Do not cut main lateral roots or taproots; cut only smaller roots that interfere with installation of utilities. Cut roots with sharp pruning instruments; do not break or chop. 1. Trenches shall be hand -dug within the dripline in areas where roots 2 inches and larger in diameter are present, and when low branches which may be damaged by equipment are present. Whenever possible, roots 2 inches or larger in diameter shall be tunneled or bored under and shall be covered to prevent dehydration. Exposed roots shall be covered immediately with soil or burlap and kept moist. 2. When more than one root 2 inches or larger in diameter on any tree is cut, supplemental watering shall be provided if the tree lacks an operational sprinkler system. Watering TREE PROTECTION AND TRIMMING 02231 - 3 shall commence immediately after roots have been cut or damaged and continue through the end of the project at a rate of 15 gallons per inch of trunk diameter (i.e. a tree with diameter of 10 inches shall be watered at a rate of.] 50 gallons per week). Watering shall occur weekly between May. 1 and October 31; watering shall occur once/month November 1 thru April 30. 3. Sidewalk and paving surfaces shall be sufficiently contoured to avoid cutting surface tree roots. Whenever possible, tree roots should be bridged or floated over with walks. To allow maximum aeration and water penetration to roots, walk materials other than concrete may be selected (e.g., brick, flagstone, honeycomb block, chips, gravel) subject to City approval. Under no circumstances shall impervious material make contact with or completely encircle a tree trunk. 3.4 REGRADING A. Within Tree Protection Zones: Grade changes, such as removing topsoil or adding fill material, shall not occur within the Tree Protection Zone around any existing tree. If necessary as part of project or site development and if approved by the City, retaining walls and tree wells may be used to maintain the existing grade within the Tree Protection Zone of any tree when constructed prior to site grading changes near the tree. B. Grade Lowering: Where new finish grade is indicated below existing grade around trees, slope grade away from trees as recommended by arborist, unless otherwise indicated. Root Pruning: Prune tree roots exposed during grade lowering. Do not cut main lateral roots or taproots; cut only smaller roots. Cut roots with sharp pruning instruments; do not break or chop. C. Minor Fill: Where existing grade is 6 inches (150 mm) or less below elevation of finish grade, fill with topsoil. Place topsoil in a single uncompacted layer and hand grade to required finish elevations. D. Moderate Fill: Where existing grade is more than 6 inches (150 mm) but less than 12 inches (300 mm) below elevation of finish grade, place drainage fill, filter fabric, and topsoil on existing grade as follows: 3.5 TREE DAMAGE AND MITIGATION A. All public trees are protected by B.R.C. 6-6-7 Mitigation of Trees or Plants Removed or De- stroyed. No person shall remove or destroy any tree or plant on public property without first having a plan approved by the City Forester for the mitigation of the loss of such tree. The re- moved or destroyed tree shall be mitigated in a manner as determined by the City Forester. The City's Project Manager shall notify the City within twenty-four (24) - hours of any suspected damage to trees resulting from construction activities. If damage occurs during construction, the contractor shall have the damaged tree evaluated immediately by the City Forestry office. Mitigation paid to City Forestry shall be required if the damage is severe. TREE PROTECTION AND TRIMMING 02231 - 4 B. If greater than 40% of the canopy or root system is damaged or removed during construction, the tree shall be evaluated for safety and future health by a certified arborist. A complete copy of the evaluation shall be submitted to the City. Further mitigation shall be required if the tree is unsafe and subsequently removed. END OF SECTION 02231 TREE PROTECTION AND TRIMMING 02231 - 5 SECTION 02301 — EARTHWORK PART 1 —GENERAL 1.01 SUMMARY A. Provide earthwork as shown and as specified. This work shall consist of excavation, embankment fill, disposal of excess material, shaping, and compaction of all material encountered within the limits of work, including excavation and backfill for structures. The excavation shall include, but is not limited to, the native soils which must be excavated for the project work. All work shall be completed in accordance with these Specifications and the lines and grades on the Drawings. All excavation will be classified, "unclassified excavation", or "muck excavation" or "rock excavation", as hereafter described. All embankment will be classified "embankment material" as hereafter described. 1.02 RELATED SECTIONS A. Section 02230 — Site Clearing 1.03 DEFINITIONS A. Unclassified Excavation shall consist of the excavation of all materials on site to final grades, excluding the bid items included in section 02220. Excavation of unsuitable material will only be paid for if it is found to be unsuitable in its original state. B. Muck Excavation shall consist of the removal and disposal of mixtures of soils and organic matter not suitable for foundation material and replacement with approved material. Material damaged due to rain or weather will not be paid for as Muck excavation and is entirely the responsibility of the CONTRACTOR. C. Rock Excavation shall consist of igneous, metamorphic and sedimentary rock which cannot be excavated without the use of rippers, and all boulders or other detached stones each having a volume of 1/2 cubic yard or more, as determined by physical or visual measurement. It shall also include replacement with approved material as required. D. Embankment (Complete in Place): shall consist of placing all excavated material, except material being hauled and disposed, as embankment and compacted to final grades as specified in the Contract Documents and on the Drawings. 1.04 TESTING A. Contractor will arrange and owner shall pay for soil sampling and testing. Contractor shall extend full cooperation to Owner and testing agency in obtaining samples and performing tests, Where soil materials do not conform to type or density specified, soil shall be replaced or reworked to conform. The cost of the initial test will be paid by the owner, while all additional tests for replaced or reworked areas shall be paid for by the Contractor. EARTHWORK 02301-1 5. D1 7 City may terminate this Agreement at any time without cause by providing written notice of termination to the Service Provider. Such notice shall be delivered at least fifteen (15) days prior to the termination date contained in said notice unless otherwise agreed in writing by the parties. All notices provided under this Agreement shall be effective when mailed, postage prepaid and sent to the following addresses: Service Provider: Bath Inc. Attn: Kevin Laman 2000 E Prospect Fort Collins, CO 80525 City: City of Fort Collins Attn: Jack Everett PO Box 580 Fort Collins, CO 80522 Copy to: City of Fort Collins Attn: Purchasing Dept. PO Box 580 Fort Collins, CO 80522 In the event of early termination by the City, the Service Provider shall be paid for services rendered to the date of termination, subject only to the satisfactory performance of the Service Providers obligations under this Agreement. Such payment shall be the Service Provider's sole right and remedy for such termination. Contract Sum. The City shall pay the Service Provider for the performance of this Contract, subject to additions and deletions provided herein, Ninety -Five Thousand Seven Hundred Eighteen Dollars and Thirty -Nine Cents ($95,718.39) as per the attached Exhibit "B", consisting of one (1) page, and incorporated herein by this reference. City Representative. The City will designate, prior to commencement of the work, its representative who shall make, within the scope of his or her authority, all necessary and proper decisions with reference to the services provided under this agreement. All requests concerning this agreement shall be directed to the City Representative. Independent Service provider. The services to be performed by Service Provider are those of an independent service provider and not of an employee of the City of Fort Collins. The City shall not be responsible for withholding any portion of Service Provider's compensation hereunder for the payment of FICA, Workmen's Compensation or other taxes or benefits or for any other purpose. 1.06 PROTECTION A. Protect existing improvements, utilities, trees and shrubs, and reference marks in accordance with Section 02230. PART 2 — MATERIALS 2.01 SOIL MATERIALS, GENERAL A. Soil materials shall be free of organic matter, debris, frozen soils, ice, and other objectionable materials. Rock particles larger than maximum size specified shall be removed prior to placement of soil. B. Select existing material from required excavations may be used for fill or backfill if it meets the specified material requirements. If necessary, furnish additional approved material from suitable off -site sources. C. Muck excavation shall also include the replacement of excavated muck with uniformly graded rock, riprap, on -site or imported soils, or other material whichever is most suitable for the specific situation encountered. The Architect will determine which type of aggregate or other material which shall be used after observing the specific site conditions. 2.02 GRANULAR FILL, BEDDING, AND BACKFILL A. Select soils complying with ASTM D2487 soil classification groups GW (well -graded gravel), GP (poorly -graded gravel), SW (well -graded sand), or SP (poorly -graded sand). Aggregate shall pass a 3/4-inch sieve and not more than 35% shall be retained on a No. 10 sieve. Maximum 5% by weight shall pass a No. 200 sieve. 2.03 FILL AND BACKFILL A. Previously excavated soils, free of aggregate larger than 3 inches, and suitable for intended purpose PART 3 — EXECUTION 3.01 PREPARATION A. Prepare site for work in accordance with Section 02230. Layout and stake work to be performed. 3.02 GENERAL EXCAVATION A. The excavation and embankment for the project work shall be finished to reasonably smooth and uniform surfaces. Variation from the subgrade plane shall not be more than .08 feet in soil or more than .08 feet above or .50 below in rock. Where bituminous or concrete surfacing materials are to be placed directly on the subgrade, the subgrade plane shall not vary more than 0.04 feet. Materials shall not be wasted without permission of the Owner's Representative. Excavation operations shall be conducted so that material outside of the limits of slopes will not EARTHWORK 02301-2 be disturbed. Prior to beginning grading operations in any area, all necessary clearing and grubbing in that area shall have been performed in accordance with Section 02110 of these Specifications. When the CONTRACTOR's excavating operations encounter remains of pre -historic people's dwelling sites or artifacts of historical or archaeological significance, the operations, shall be temporarily discontinued. The Owner's Representative will contact archaeological authorities to determine the disposition thereof. When directed, the CONTRACTOR shall excavate the site in such a manner as to preserve the artifacts encountered and shall remove them for delivery to the custody of the proper state authorities. Such excavation will be considered and paid for as extra work. B. For footings and foundations, take care not to disturb bottom of excavation. Excavate to final grade just before concrete is placed. Trim bottoms to required lines and grades to leave solid, undisturbed base to receive granular fill, base course, or concrete as shown. 3.03 EXCAVATION FOR EMBANKMENTS A. Unclassified: All excess suitable material excavated from the project site and not used for embankment shall be removed from the project site and become the property of the CONTRACTOR. Where material encountered within the limit of the work is considered unsuitable for embankment (fills) on any portion of this project work, such material shall be excavated as directed by the Owner's Representative and replaced with suitable fill material. All unsuitable excavated material from excavation consisting of any type of debris (surface or buried), excavated rock, bedrock or rocks larger than 6 inches in diameter and boulders shall be hauled from the project site and disposed of. Debris is defined as "anything that is not earth which exists at the job site". B. Muck: Where excavation to the finished grade section results in a subgrade or slopes of unsuitable soil, the Owner's Representative may require the CONTRACTOR to remove the unsuitable materials and backfill to the finished graded section with approved material. Disposal of the material shall be at the CONTRACTOR's expense. C. Good surface drainage shall be provided around all permanent cuts to direct surface runoff away from the cut face. D. Rock: Unless otherwise specified, rock shall be excavated to a minimum depth of 0.5 feet below subgrade within the limits of the channel area, and the excavation shall be backfilled with material shown on the Drawings or as designated by the Owner's Representative. Disposal of material and replacement with suitable approved material shall be at the CONTRACTOR's expense. 3.04 EMBANKMENT CONSTRUCTION A. Embankment construction shall consist of constructing all fill areas, including preparation of the areas upon which they are to be placed, and the placing and compacting of embankment material in holes, pits and other depressions within the project area. Only approved materials shall be used in the construction of embankments and backfills. EARTHWORK 02301-3 B. Approved materials shall consist of clean on -site cohesive soils or approved imported soils. On -site cohesive soils are suitable for use as compacted fill provided the following recommendations are met: Excavation and Embankment will only be paid when a significant change in grade is required, as determined by the Owner's Representative. Minor cuts and fills will be considered incidental to the work, and will not be paid for separately under this section. Percent Finer by Weight Gradation (ASTM C136) 1/2-Inch 100 3/8-Inch 70 — 100 No. 4 Sieve 50 — 100 No. 200 Sieve 60 (min • Liquid Limit 30 (min) • Plasticity Index 15 (min) • In -Situ Coefficient of Permeability 1 x10-bcm/sec (max) On -site cohesive soils or imported soils should be placed and compacted in thin, horizontal lifts, not to exceed 8 inches in thickness (measured prior to compaction), using equipment and procedures that will produce recommended moisture contents and densities throughout the lift and embankment height. On -site or imported cohesive soils should be compacted within a moisture content range of optimum to 3% above optimum moisture content and compacted to 95% of the Maximum Standard Proctor Density (ASTM D698). 4. When embankment is to be placed and compacted on hillsides, or when new embankment is to be compacted against existing embankments, or when embankment is built 1/2 width at a time, the slopes that are steeper than 4:1 when measured longitudinally or at right angles to the adjacent ground shall be continuously benched over those areas where it is required as the work is brought up in layers. Benching shall be well keyed and where practical a minimum of 8 feet. Each horizontal cut shall begin at the intersection of the original ground and the vertical sides of the previous cuts. Material thus cut out shall be recompacted along with the new embankment material at the CONTRACTOR'S expense. The ground surface underlying all fills shall be carefully prepared by removing all organic matter, scarification to a depth of 8 inches and recompacting to 95% of the Maximum Standard Proctor Density (ASTM D698) at optimum moisture content + or - 2% prior to fill placement. EARTHWORK 02301-4 6. Embankment material shall be placed in horizontal layers not exceeding 8 inches (loose measurement) and shall be compacted to 95% of the Maximum Standard Proctor Density (ASTM D698) at optimum moisture content + or - 2%. Effective spreading equipment shall be used on each lift to obtain uniform thickness prior to compacting. As the compaction of each layer progresses, continuous leveling and manipulating will be required to assure uniform density. 7. A moisture density determination shall be made for each soil type encountered. Unless directed by the geotechnical engineer, the standard Proctor maximum dry density (ASTM D 698) shall apply. 8. For embankments which serve as berms, the downstream portion shall be "keyed" into the subsurface soils a minimum of 3 feet to enhance the stability of the slope. 9. Materials which are removed from excavations beneath the water table may be over the acceptable moisture content range and will require that they be dried out prior to reusing them. 10. Cross hauling or other action as appropriate will be ordered when necessary to insure that the best available material is placed in critical areas of embankments, including the top 2 feet of all embankments. No additional payment will be made for cross hauling ordered by the Owner's Representative. H. Frozen materials shall not be used in construction of embankments and embankments shall not be constructed on frozen materials. 12. During the construction of the channels, the channel bottom shall be maintained in such condition that it will be well drained at all times. 13. Excavation or Embankment (Fill), and Structural Backfill work either completed or in a stage of completion that is either eroded or washed away or becomes unstable due to either rains, snow, snow melt, channel flows or lack of proper water control shall be either removed and replaced, recompacted or reshaped as directed by the Owner's Representative and in accordance with the Drawings and Specifications at the CONTRACTOR's sole expense. Removed unsuitable materials shall be hauled away and disposed of at the CONTRACTOR's expense. Placing of replacement materials for removed unsuitable materials shall be purchased, placed and compacted at the CONTRACTOR' expense. C. Proofrolling with a heavy rubber tired roller will be required, if designated on the Drawings or when ordered by the Owner's Representative. Proof rolling shall be done after specified compaction has been obtained. Areas found to be weak and those areas which failed shall be ripped, scarified, wetted if necessary, and recompacted to the requirements for density and moisture at the CONTRACTOR's expense. D. Proof rolling shall be done with equipment and in a manner acceptable to the Owner's Representative. Proof rolling as shown on the Drawings or as ordered by the Owner's Representative shall not be measured and paid for separately, but shall be included in the unit prices bid for the work. EARTHWORK 02301-5 3.05 TRENCHING A. Prepare Excavate trenches so that pipe can be laid safely and accurately to required line and grade. Hand excavate for bells, fittings and projections to allow for proper jointing and to insure that pipe rests evenly along barrel and is not resting on bell. B. In sand and gravel soils, bottom of trench may be shaped to fit bottom 1/3 of pipe. In silt or clay soils, bottom of trench shall be 4 in. below pipe barrel and 3 in. below bell. Under foundations and footings, bottom of trench shall be 8 in. below pipe. Bedding will be uniformly graded material conforming to CDOT #67 granular bedding unless otherwise noted on the Drawings or as approved by the Engineer. 3.06 UNAUTHORIZED EXCAVATION A. Unauthorized excavation consists of removal of materials beyond indicated elevations or side dimensions without specific direction of Architect. Unauthorized excavation, as well as remedial work, shall be at Contractor's expense. Notify Owner if unauthorized excavations are made. B. Backfill and compact unauthorized excavations as specified for authorized excavations of same classification, unless otherwise directed. 3.07 STABILITY OF EXCAVATIONS A. Maintain sides and slopes of excavations in a safe condition until completion of backfilling. Slope sides of excavations to angle of repose of material excavated; otherwise, shore and brace where sloping is not possible either because of space restrictions or stability of material excavated. Comply with applicable codes and ordinances. 3.08 DEWATERING A. Perform earthwork in a manner to prevent surface water and ground water from flowing into excavations. Promptly remove water from excavations using pumps, sumps, and dewatering system components necessary to convey water away from excavations. If underground springs are encountered, notify Owner before proceeding. 3.09 STOCKPILING A. Stockpile excavated materials meeting the requirements for fill and backfill where directed until required for the work. Place, grade, and shape stockpiles for proper drainage. Locate stockpiles a sufficient distance from edge of excavations to prevent such material from falling or sliding into excavations and to prevent cave-ins. 3.10 COLD WEATHER PROTECTION A. Protect excavation bottoms against freezing when atmospheric temperature is less than 35°F by covering with dry insulating materials of sufficient depth to prevent frost penetration. EARTHWORK 02301-6 3.11 GRADING A. Grade area within project limits by cutting and/or filling as necessary to achieve lines and grades shown. Grade areas adjacent to structure lines to drain away from structure to prevent ponding. Finish surface to be reasonably smooth and free from irregular surface changes. Tolerance for areas to receive topsoil shall be 0.3 ft above or below established grade, less allowance for topsoil. Tolerance for areas to be paved shall be 0.1 ft above or below established pavement subgrade. Tolerance for turf areas shall be 0.025 as per Owner. 3.12 DISPOSAL OF EXCESS AND WASTE MATERIALS A. Remove excess excavated material, trash, debris, and other waste materials and legally dispose of them off -site. 3.13 FIELD QUALITY CONTROL A. Moisture and density tests are required and are the responsibility of the Contractor and shall be performed by a private Geotechnical Consultant. Contractor is responsible for all coordination of testing. Owner will pay for first test while additional testing shall be paid for by contractor. The following minimum tests should be expected to be performed. 1. Embankment subgrade — I per 500 lineal feet. 2. Embankment fill — I per 500 lineal feet of embankment alternating leftand right of centerline or as directed by the geotechnical engineer or Owner's Representative. 3. Compaction tests, as specified above, shall be performed for each vertical foot of compacted embankment. B. Field tests will be conducted to determine compliance of moisture/density testing methods with specified density in accordance with ASTM D2922. C. Test results shall be submitted to the Engineer by the Contractor or the Geotechnical Consultant for approval by the Owner prior to acceptance of the pipeline and shall be made available on the day of the test. D. Failed test areas shall be recompacted and retested at Contractor's expense. E. Compacted material shall be within 2% (+/-) of the optimum moisture content of the soil as determined by ASTM D698. Water shall be added to the material, or the material shall be harrowed, disced, bladed, or otherwise worked to ensure a uniform moisture content as specified. F. Sect Final topography and/or cross -sections will be surveyed of areas that are to finished grade and compared to the design section for accuracy. Final grade shall match design grades within the tolerances discussed in PART 3 EXECUTION. PART 4—SCHEDULES EARTHWORK 02301-7 4.01 COMPACTION SCHEDULE (unless otherwise stated on the drawings or specifications) Lift Location Thickness(l) Compaction(2) Below foundations, slabs, pavements, walks, and 6" 95% other designated areas Unpaved areas 8 feet or less outside structure line 8" 95% Unpaved areas more than 8 feet outside structure 12" 90% line t'�Place manually compacted materials in maximum 4-inch layers. (2) Percent of maximum density determined in accordance with ASTM D 1557 (Modified Proctor test). END OF SECTION EARTHWORK 02301-8 IRRIGATION SPECIFICATIONS — PORTNER SUBSTATION SECTION 02810 - IRRIGATION PART1: GENERAL 1.1 SCOPE Furnish all labor, materials, supplies, equipment, tools and transportation, and perform all operations in connection with and reasonably incidental to the complete installation of the renovated irrigation system as shown on plans, and guarantee/warranty as shown on the drawings, the installation details, and as specified herein. Items of work specifically included are: A. Procurement of all applicable licenses, permits, and fees. B. Coordination of Utility Locates ("Call Before You Dig"). C. Verification of existing static pressure. D. Maintenance period. E. Sleeving for irrigation pipe and wire. 1.2 WORK NOT INCLUDED . Items of work specifically excluded or covered under other sections are: A. Payment of all development, plant investment, or any other fees and permits associated with the purchase and installation of the tap. B. Excavation, installation, and backfill of tap into municipal water line. C. Excavation, installation, and backfill of water meter and vault. D. Provision and connection of electrical power supply to the irrigation control system. E. Installation of pumping plant for irrigation system. 1.3 SUBMITTALS A. Deliver four (4) copies of all required submittals to the Owners' Representative within 15 days from the date of Notice to Proceed. B. Materials List: Include pipe, fittings, mainline components, water emission components, control system components. Quantities of materials need not be included. C. Manufacturers' Data: Submit manufacturers' catalog cuts, specifications, and operating instructions for equipment shown on the materials list. D. Shop Drawings: Submit shop drawings called for in the installation details. Show products required for proper installation, their relative locations, and critical dimensions. Note modifications to the installation detail. E. Project Record Drawings: Submit project record (as -built) drawings to Owner prior to commencement of maintenance period (refer to specification section 3.12 for specific requirements). 1.4 RULES AND REGULATIONS A. Work and materials shall be in accordance with the latest edition of the National Electric Code, the Uniform Plumbing Code as published by the Western Plumbing Officials Association, and applicable laws and regulations of the governing authorities. B. When the contract documents call for materials or construction of a better quality or larger size than required by the above -mentioned rules and regulations, provide the quality and size required by the contract documents. C. If quantities are provided either in these specifications or on the drawings, these quantities are provided for information only. It is the Contractor's responsibility to determine the actual quantities of all material, equipment, and supplies required by the project and to complete an independent estimate of quantities and wastage. 1.5 TESTING A. Notify the Owners' Representative three days in advance of testing. B. Pipelines jointed with rubber gaskets or threaded connections may be subjected to a pressure test at any time after partial completion of backfill. Pipelines jointed with solvent -welded PVC joints shall be allowed to cure at least 24 hours before testing. C. Subsections of mainline pipe may be tested independently, subject to the review of the Owners' Representative. D. Furnish clean, clear water, pumps, labor, fittings, and equipment necessary to conduct tests or retests. E. Hydrostatic Pressure Test: 1) Subject mainline pipe to a hydrostatic pressure equal to the anticipated operating pressure of 120 PSI for two hours. Test with mainline components installed. A 2 PSI pressure variation is allowed. 2) Backfill to prevent pipe from moving under pressure. Expose couplings and fittings. 3) Leakage will be detected by visual inspection. Replace defective pipe, fitting, joint, valve, or appurtenance. Repeat the test until the pipe passes test. IRRIGATION SPECIFICATIONS Effective Date Section - 02810 PORTNER SUBSTATION 11/9/2012 Page - 2 a. Cement or caulking to seal leaks is prohibited. F. Operational Test: 1) Activate each remote control valve in sequence from controller. The Owners' Representative will visually observe operation, water application patterns, and leakage. 2) Replace defective remote control valve, solenoid, wiring, or appurtenance to correct operational deficiencies. 3) Replace, adjust, or move water emission devices to correct operational or coverage deficiencies. 4) Replace defective pipe, fitting, joint, valve, sprinkler, or appurtenance to correct leakage problems. Cement or caulking to seal leaks is prohibited. 5) Repeat test(s) until each lateral passes all tests. G. Signal Wire: 1) Test for leaks to ground per manufacturer's recommendations. Test results must meet or exceed manufacturer's guidelines for acceptance. 2) Replace defective wire, underground splices, or appurtenances. Repeat the test until the manufacturer's guidelines are met. 1.6 CONSTRUCTION REVIEW The purpose of on -site reviews by the Owners' Representative is to periodically observe the work in progress and the Contractor's interpretation of the construction documents and to address questions with regards to the installation. A. Scheduled reviews such as those for irrigation system layout or testing should be scheduled with the Owners' Representative as required by these specifications. B. Impromptu reviews may occur at any time during the project. C. Final review will occur at the completion of the irrigation system installation and Record (As -Built) Drawing submittal. 1.7 GURANTEE/ WARRANTY AND REPLACEMENT The purpose of this guarantee/warranty is to insure that the Owner receives irrigation materials of prime quality, installed and maintained in a thorough and careful manner. A. For a period of one year from commencement of the formal maintenance period, guarantee/warranty irrigation materials, equipment, and workmanship against defects. Fill and repair depressions.. Restore landscape or structural features IRRIGATION SPECIFICATIONS Effective Date Section - 02810 PORTNER SUBSTATION 11/9/2012 Page - 3 8. Subcontractors. Service Provider may not subcontract any of the Work set forth in the Exhibit A, Statement of Work without the prior written consent of the city, which shall not be unreasonably withheld. Service Provider may, however, subcontract the [... ] work or other portions of the Work by providing notice to the City of its intent to do so. If any of the Work is subcontracted hereunder (with the consent of the City), then the following provisions shall apply: (a) the subcontractor must be a reputable, qualified firm with an established record of successful performance in its respective trade performing identical or substantially similar work, (b) the subcontractor will be required to comply with all applicable terms of this Agreement, (c) the subcontract will not create any contractual relationship between any such subcontractor and the City, nor will it obligate the City to pay or see to the payment of any subcontractor, and (d) the work of the subcontractor will be subject to inspection by the City to the same extent as the work of the Service Provider. 9. Personal Services. It is understood that the City enters into the Agreement based on the special abilities of the Service Provider and that this Agreement shall be considered as an agreement for personal services. Accordingly, the Service Provider shall neither assign any responsibilities nor delegate any duties arising under the Agreement without the prior written consent of the City. 10. Acceptance Not Waiver. The City's approval or acceptance of, or payment for any of the services shall not be construed to operate as a waiver of any rights or benefits provided to the City under this Agreement or cause of action arising out of performance of this Agreement. 11. Warranty. a. Service Provider warrants that all work performed hereunder shall be performed with the highest degree of competence and care in accordance with accepted standards for work of a similar nature. damaged by the settlement of irrigation trenches or excavations. Repair damage to the premises caused by a defective item. Make repairs within seven days of notification from the Owners' Representative. B. Contract documents govern replacements identically as with new work. Make replacements at no additional cost to the contract price. C. Guarantee/warranty applies to originally installed materials and equipment and replacements made during the guarantee/warranty period. PART 2: MATERIALS 2.1 QUALITY Use materials which are new and without flaws or defects of any type, and which are the best of their class and kind. 2.2 SUBSTITUTIONS Pipe sizes referenced in the construction documents are minimum sizes, and may be increased at the option of the Contractor. 2.3 SLEEVING A. Install separate sleeve beneath paved areas to route each run of irrigation pipe or wiring bundle. B. Sleeving material beneath pedestrian pavements shall be PVC Class 200 pipe with solvent welded joints. C. Sleeving beneath drives and streets shall be PVC Class 200 pipe with solvent welded joints. D. Sleeving diameter: as indicated on the drawings and installation details or equal to twice that of the pipe or wiring bundle. 2.4 PIPE AND FITTINGS A. Mainline Pipe and Fittings: 1) Use rigid, unplasticized polyvinyl chloride (PVC) 1120, 1220 National Sanitation Foundation (NSF) approved pipe, extruded from material meeting the requirements of Cell Classification 12454-A or 12454-13, ASTM Standard D1784, with an integral belled end. 2) Use Class 200, SDR-21, rated at 200 PSI, conforming to the dimensions and tolerances established by ASTM Standard D2241. Use PVC pipe rated at higher pressures than Class 200 in the case of small nominal diameters which are not manufactured in Class 200. IRRIGATION SPECIFICATIONS Effective Date Section - 02810 PORTNER SUBSTATION 11/9/2012 Page - 4 a. Use solvent weld pipe for mainline pipe with a nominal diameter less than 3-inches or where a pipe connection occurs in a sleeve. Use Schedule 40, Type 1, PVC solvent weld fittings conforming to ASTM Standards D2466 and D1784. Use primer approved by the pipe manufacturer. Solvent cement to conform to ASTM Standard D2564. B. Lateral Pipe and Fittings: 1) Use rigid, unplasticized polyvinyl chloride (PVC) 1120, 1220 National Sanitation Foundation (NSF) approved pipe, extruded from material meeting the requirements of Cell Classification 12454-A or 12454-B, ASTM Standard D1784, with an integral belled end suitable for solvent welding. 2) Use class 200, SDR-21, rated at 200 PSI, conforming to the dimensions and tolerances established by ASTM Standard D2241. Use PVC pipe rated at higher pressures than Class 200 in the case of small nominal diameters which are not manufactured in Class 200. Use UV radiation resistant Schedule 40, Type 1, PVC solvent weld fittings conforming to ASTM Standards D2466 and D1784 for PVC pipe. 3) Use primer approved by the pipe manufacturer. Solvent cement to conform to ASTM Standard D2564, of a type approved by the pipe manufacturer. C. Specialized Pipe and Fittings: 1) Assemblies calling for pre -fabricated double swing joints shall utilize LASCO Unitized swing joints or approved equal. Swing joints shall be rated at 315 psi, and use O-ring and street elbow construction. 2) Low Density Polyethylene Hose: a. Use pipe specifically intended for use as a flexible swing joint. Inside diameter: 0.490+0.010 inch. Wall thickness: 0.100+0.010 inch. Color: Black. b. Use spiral barb fittings supplied by the same manufacturer as the hose. 3) Assemblies calling for threaded pipe connections shall utilize PVC Schedule 80 nipples and PVC Schedule 40 or 80 threaded fittings. 4) Joint sealant: Use only Teflon -type tape pipe joint sealant on plastic threads. Use nonhardening, nontoxic pipe joint sealant formulated for use on water -carrying pipes on metal threaded connections. IRRIGATION SPECIFICATIONS Effective Date Section - 02810 PORTNER SUBSTATION 11/9/2012 Page - 5 D. Marking Tape: 1) Mainline Pipe - Christy underground I.D. tape. 2.6 MAINLINE COMPONENTS A. Quick Coupling Valve Assembly: Double swing joint arrangement as presented in the installation details. 2.6 SPRINKLER AND BUBBLER IRRIGATION COMPONENTS A. Remote Control Valve (RCV) Assembly for Sprinkler Laterals: As presented in the installation details. Use wire connectors and waterproofing sealant to join control wires to solenoid valves. Install a separate valve box over a 3-inch depth of 3/4-inch gravel for each assembly. Adjust flow control per manufacturer's recommendations prior to use. B. Sprinkler Assembly: As presented in the drawings and installation details. Use the sprinkler manufacturer's pressure compensating screens (Rain Bird PCS) to achieve 30 PSI operating conditions on each sprinkler and to control excessive operating pressures. 2.7 CONTROL SYSTEM COMPONENTS A. Control Wire: 1) Use American Wire Gauge (AWG) No. 14 solid copper, Type OF or PE cable, UL approved for direct underground burial from the controller unit to each remote control valve. Use AWG No. 12 wire for common wire. 2) Color: Use white for common ground wire. Use easily distinguished colors for other control wires. Spare control wires shall be of a color different from that of the active control wire. Wire color shall be continuous over its entire length. 3) Splices: Use wire connector with waterproof sealant. Wire connector to be of plastic construction consisting of two (2) pieces, one piece which snap locks into the other. A copper crimp sleeve to be provided with connector. 4) Encase wiring not located near PVC irrigation pipe in PVC Schedule 40 electrical conduit. Warning tape: Inert plastic film highly resistant to alkalis, acids, or other destructive chemical components likely to be encountered in soils. Three inches wide, colored yellow, and imprinted with "CAUTION: BURIED ELECTRIC LINE BELOW." IRRIGATION SPECIFICATIONS Effective Date Section - 02810 PORTNER SUBSTATION 11/g/2012 Page - 6 B. Existing Control Wire: 1) It is assumed that existing 24 VAC control wire between existing controller and solenoid valves is in workable condition. Any concerns are to be brought to the attention of the Owner prior to installation of the replacement controller. 2.8 OTHER COMPONENTS A. Tools and Spare Parts: Provide operating keys, servicing tools, test equipment, other items, and spare parts indicated in the General Notes of the drawings. PART 3: EXECUTION 3.1 INSPECTIONS AND REVIEWS A. Site Inspections: 1) Verify site conditions and note irregularities affecting work of this section. Report irregularities to the Owners' Representative prior to beginning work. 2) Beginning work of this section implies acceptance of existing conditions. 3) Contractor will be held responsible for coordination between landscape and irrigation system installation. 4) Landscape material locations shown on the Landscape Plan shall take precedence over the irrigation system equipment locations. If irrigation equipment is installed in conflict with the landscape material locations shown on the Landscape Plan, the Contractor will be required to relocate the irrigation equipment, as necessary, at Contractor's expense. B. Utility Locates ("Call Before You Dig"): 1) Arrange for and coordinate with local authorities the location of all underground utilities. 2) Repair any underground utilities damaged during construction. Make repairs at no additional cost to the contract price. C. Irrigation System Layout Review: Irrigation system layout review will occur after the staking has been completed. Notify the Owners' Representative two days in advance of review. Modifications will be identified by the Owners' Representative at this review. 3.2 LAYOUT OF WORK A. Stake out the irrigation system. Items staked include: sprinklers, pipe, and control valves. IRRIGATION SPECIFICATIONS Effective Date Section - 02810 FORTNER SUBSTATION 11/9/2012 Page - 7 B. Install all mainline pipe and mainline components inside of project property lines. 3.3 EXCAVATION, TRENCHING, AND BACKFILLING A. Excavate to permit the pipes to be laid at the intended elevations and to permit work space for installing connections and fittings. B. Minimum cover (distance from top of pipe or control wire to finish grade): k 1) 24-inch over mainline pipe and over electrical conduit. 2) 26-inch over control wire. 3) 16-inch over lateral pipe to sprinklers and bubblers and over manifold pipe to drip system zone control valves. C. Backfill only after lines have been reviewed and tested. D. Excavated material is generally satisfactory for backfill. Backfill shall be free from rubbish, vegetable matter, frozen materials, and stones larger than 2-inches in maximum dimension. Remove material not suitable for backfill. Backfill placed next to pipe shall be free of sharp objects which may damage the pipe. Stones larger than 1-inch maximum dimension are not permitted in first (deepest) 6-inches of backfill. E. Backfill unsleeved pipe and sleeves in either of the following manners: 1) Backfill and puddle the lower half of the trench. Allow to dry 24 hours. Backfill the remainder of the trench in 6-inch layers. Compact to density of surrounding soil. 2) Backfill the trench by depositing the backfill material equally on both sides of the pipe in 6-inch layers and compacting to the density of surrounding soil. F. Dress backfilled areas to original grade. Incorporate excess backfill into existing site grades. Dispose of excess backfill off site. G. Where utilities conflict with irrigation trenching and pipe work, contact the Owners' Representative for trench depth adjustments. 3.4 SLEEVING AND BORING A. Install sleeving at a depth which permits the encased pipe or wiring to remain at the specified burial depth. B. Extend sleeve ends six inches beyond the edge of the paved surface. Cover pipe ends and mark with stakes. Mark concrete with a chiseled 'Y' at sleeve end IRRIGATION SPECIFICATIONS Effective Date Section - 02810 FORTNER SUBSTATION 11/9/2012 Page - 8 locations. C. Bore for sleeves under obstructions which cannot be removed. Employ equipment and methods designed for horizontal boring. 3.5 ASSEMBLING PIPE AND FITTINGS A. General: 1) Keep pipe free from dirt and pipe scale. Cut pipe ends square and debur. Clean pipe ends. 2) Keep ends of assembled pipe capped. Remove caps only when necessary to continue assembly. B. Mainline Pipe and Fittings: 1) Use only strap -type friction wrenches for threaded plastic pipe. 2) PVC Solvent Weld Pipe: a. Use primer and solvent cement. Join pipe in a manner recommended by the manufacturer and in accordance with accepted industry practices. b. Cure for 30 minutes before handling and 24 hours before allowing water in pipe. c. Snake pipe from side to side within the trench. 3) Fittings: The use of cross type fittings is not permitted. C. Lateral Pipe and Fittings: 1) Use only strap -type friction wrenches for threaded plastic pipe. 2) PVC Solvent Weld Pipe: a. Use primer and solvent cement. Join pipe in the manner recommended by the manufacturer and in accordance with accepted industry practices. b. Cure for 30 minutes before handling and 24 hours before allowing water in the pipe. c. Snake pipe from side to side within the trench. 3) Fittings: The use of cross type fittings is not permitted. D. Specialized Pipe and Fittings: 1) Pre -fabricated double swing joints: Install per manufacturer's recommendations. IRRIGATION SPECIFICATIONS Effective Date Section - 02810 PORTNER SUBSTATION 11/9/2012 Page - 9 2) Low Density Polyethylene Hose: Install per manufacturer's recommendations. 3) PVC Threaded Connections: a. Use only factory -formed threads. Field -cut threads are not permitted. b. Use only Teflon -type tape. c. When connection is plastic -to -metal, the plastic component shall have male threads and the metal component shall have female threads. 4) Make metal -to -metal, threaded connections with Teflon -type tape or pipe joint compound applied to the male threads only. 3.6 INSTALLATION OF MAINLINE COMPONENTS A. Quick Coupling Valve Assembly: Install where indicated on the drawings. 3.7 INSTALLATION OF SPRINKLER AND BUBBLER IRRIGATION COMPONENTS A. Remote Control Valve (RCV) Assembly for Sprinkler Laterals: 1) Flush mainline before installation of RCV assembly. 2) Install where indicated on the drawings. Wire connectors and waterproof sealant shall be used to connect control wires to remote control valve wires. Install connectors and sealant per the manufacturer's recommendations. 3) Install only one RCV to a valve box. Locate valve box at least 12-inches from and align with nearby walls or edges of paved areas. Group RCV assemblies together where practical. Arrange grouped valve boxes in rectangular patterns. Allow at least 12-inches between valve boxes. 4) Adjust RCV to regulate the downstream operating pressure. 5) Attach ID tag with controller station number to control wiring. B. Sprinkler Assembly: 1) Flush lateral pipe before installing sprinkler assembly. 2) Install per the installation details at locations shown on the drawings. 3) Locate rotary sprinklers 12-inches from adjacent walls, fences, or edges of paved areas. 4) Locate spray sprinklers 3-inches from adjacent walls, fences, or edges of paved areas. IRRIGATION SPECIFICATIONS Effective Date Section - 02810 PORTNER SUBSTATION 11/9/2012 Page - 10 5) Set sprinklers perpendicular to the finish grade. 6) Supply appropriate nozzle or adjust arc of coverage of each sprinkler for best performance. 7) Adjust the radius of throw of each sprinkler for best performance. 3.8 INSTALLATION OF CONTROL SYSTEM COMPONENTS A. Control Wire: 1) Bundle control wires where two or more are in the same trench. Bundle with pipe wrapping tape spaced at 10-foot intervals. 2) Provide a 24-inch excess length of wire in an 8-inch diameter loop at each 90 degree change of direction, at both ends of sleeves, and at 100-foot intervals along continuous runs of wiring. Make wiring loop by turning control wire 5 turns around 1-inch pipe. Coil 24-inch length of wire within each remote control valve box. 3) Install common ground wire and one control wire for each remote control valve. Multiple valves on a single control wire are not permitted. 4) If a control wire must be spliced, make splice with wire connectors and waterproof sealant, installed per the manufacturer's instructions. Locate splice in a valve box which contains an irrigation valve assembly, or in a separate 6- inch round valve box. Use same procedure for connection to valves as for in -line splices. 5) Unless noted on plans, install wire parallel with and under PVC mainline pipe. If wire is installed adjacent to section of metal pipe, separate wire from pipe minimum of 6-inches and install wire in PVC conduit. 6) Encase wire not installed with PVC mainline pipe in electrical conduit. OR Protect wire not installed with PVC mainline pipe with a continuous run of warning tape placed in the backfill six inches above the wiring. 3.9 INSTALLATION OF OTHER COMPONENTS A. Tools and Spare Parts: 1) Prior to the Pre -Maintenance Review, supply to the Owner operating keys, servicing tools, test equipment, and any other items indicated on the drawings. 2) Prior to Final Review, supply to the Owner the spare parts indicated in the General Notes on the drawings. IRRIGATION SPECIFICATIONS Effective Date Section - 02810 PORTNER SUBSTATION 11/9/2012 Page - I I B. Other Materials: Install other materials or equipment shown on the drawings or installation details to be part of the irrigation system, even though such items may not have been referenced in these specifications. 3.10 PROJECT RECORD DRAWINGS A. Maintain on -site and separate from documents used for construction, one complete set of contract documents as Project Documents. Keep documents current. Do not permanently cover work until as -built information is recorded. B. Record pipe and wiring network alterations. Record work which is installed differently than shown on the construction drawings. Record accurate reference dimensions, measured from at least two permanent reference points, of each irrigation system valve, each backflow prevention device, each controller or control unit, each sleeve end, each stub -out for future pipe or wiring connections, and other irrigation components enclosed within a valve box. C. Prior to Final Review, purchase from the Owners' Representative a reproducible mylar copy of the drawings. Using technical drafting pen, duplicate information contained on the project drawings maintained on site. Label each sheet "Record Drawing". Completion of the Record Drawings will be a prerequisite for the Final Review. 3.11 MAINTENANCE A. Upon completion of Final Review, maintain irrigation system for a duration of 30 calendar days. Make periodic examinations and adjustments to irrigation system components so as to achieve the most desirable application of water. B. Following completion of the Contractor's maintenance period, the Owner will be responsible for maintaining the system in working order during the remainder of the guarantee/warranty period, for performing necessary minor maintenance, for trimming around sprinklers, for protecting against vandalism, and for preventing damage during the landscape maintenance operation. 3.12 CLEAN-UP A. Upon completion of work, remove from the site all machinery, tools, excess materials, and rubbish. End of Section IRRIGATION SPECIFICATIONS Effective Date Section - 02810 PORTNER SUBSTATION 11/9/2012 Page - 12 SECTION 02920 - LAWNS AND GRASSES ' _ I e7a1QN111MAN 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section. 1.2 SUMMARY A. Section Includes: 1. Sodding. 2. Warranty / Satisfactory Turf / Seed. 3. Maintenance. B. Related Sections: 1. Division 2 Section "Site Clearing" for protection of existing trees and plantings, topsoil stripping and stockpiling and site clearing. 2. Division 2 Section "Irrigation Systems" for sprinkler irrigation. 3. Division 2 Section "Exterior Plants" for border edgings. 1.3 DEFINITIONS A. Finish Grade: Elevation of finished surface of planting soil. B. Planting Soil: Existing or imported topsoil, manufactured topsoil, or surface soil modified to become topsoil; mixed with soil amendments. C. Sub -grade: Surface or elevation of subsoil remaining after completing excavation, or top surface of a fill or backfill immediately beneath planting soil. D. Sub -soil: All soil beneath the topsoil layer of the soil profile, and typified by the lack of organic matter and soil organisms. 1.4 SUBMITTALS A. Product Data: For each type of product indicated. 1. Certification of each seed mixture for turfgrass sod, identifying source, including name and telephone number of supplier. LAWNS AND GRASSES 02920 - 1 b. Unless otherwise provided in the Agreement, all materials and equipment incorporated into any work shall be new and, where not specified, of the most suitable grade of their respective kinds for their intended use, and all workmanship shall be acceptable to City. c. Service Provider warrants all equipment, materials, labor and other work, provided under this Agreement, except City -furnished materials, equipment and labor, against defects and nonconformances in design, materials and workmanship/workwomanship for a period beginning with the start of the work and ending twelve (12) months from and after final acceptance under the Agreement, regardless whether the same were furnished or performed by Service Provider or by any of its subcontractors of any tier. Upon receipt of written notice from City of any such defect or nonconformances, the affected item or part thereof shall be redesigned, repaired or replaced by Service Provider in a manner and at a time acceptable to City. 12. Default. Each and every term and condition hereof shall be deemed to be a material element of this Agreement. In the event either party should fail or refuse to perform according to the terms of this agreement, such party may be declared in default thereof. 13. Remedies. In the event a party has been declared in default, such defaulting party shall be allowed a period of ten (10) days within which to cure said default. In the event the default remains uncorrected, the party declaring default may elect to (a) terminate the Agreement and seek damages; (b) treat the Agreement as continuing and require specific performance; or (c) avail himself of any other remedy at law or equity. If the non -defaulting party commences legal or equitable actions against the defaulting party, the defaulting party shall be liable to the non -defaulting party for the non -defaulting parry's reasonable attorney fees and costs incurred because of the default. 14. Binding Effect. This writing, together with the exhibits hereto, constitutes the entire B. Samples for Verification: 1. Soil Analysis: Submit copies of soil test results from Colorado State University Soils Laboratory. Submit copies of cover letter / results with recommendations. 2. Fertilizer: Submit copy of fertilizer composition to be used and the Supplier source. C. Product Certificates: For each type of manufactured product from Manufacturer, and complying with the following: 1. Manufacturer's certified analysis for standard products. 2. Analysis of other materials by a recognized laboratory made according to methods established by the Association of Official Analytical Chemists, where applicable. D. Material Test Reports: For existing surface topsoil (if available) and/or imported topsoil if required. E. Planting Schedule: Indicating anticipated planting dates for each type of planting. F. Maintenance Instructions: Recommended procedures to be established by Owner for maintenance of turf areas during the warranty period. Submit before Substantial completion. 1.5 QUALITY ASSURANCE A. Installer Qualifications: A qualified landscape installer whose work has resulted in successful lawn establishment. Installer's Field Supervision: Require Installer to maintain an experienced full-time supervisor on Project site when planting is in progress. B. Soil -Testing Laboratory Qualifications: An independent laboratory, recognized by the State Department of Agriculture, with the experience and capability to conduct the testing indicated and that specializes in types of tests to be performed. C. Topsoil Analysis: Furnish soil analysis by a qualified soil -testing laboratory stating percentages of organic matter; gradation of sand, silt, and clay content; cation exchange capacity; sodium absorption ratio; deleterious material; pH; and mineral and plant -nutrient content of topsoil. Report suitability of topsoil for lawn growth. State -recommended quantities of nitrogen, phosphorus, and potash nutrients and soil amendments to be added to produce satisfactory topsoil. 1.6 DELIVERY, STORAGE, AND HANDLING A. Sod: Harvest, deliver, store, and handle sod according to requirements in TPI's "Specifications for Turfgrass Sod Materials" and "Specifications for Turfgrass Sod Transplanting and Installation" in its "Guideline Specifications to Turfgrass Sodding." Deliver sod in time for planting within twenty-four (24) hours of harvesting. Protect sod from breakage and drying. LAWNS AND GRASSES 02920 - 2 B. Bulk Materials: 1. Do not dump or store bulk materials near structures, utilities, walkways and pavements, or on existing turf areas or plants. 2. Provide erosion -control measures to prevent erosion or displacement of bulk materials, discharge of soil -bearing water runoff, and airborne dust reaching adjacent properties, water conveyance systems, or walkways. 3. Accompany each delivery of bulk fertilizers and soil amendments with appropriate certificates. 1.7 PROJECT CONDITIONS A. Planting Restrictions: Plant during one of the following periods. Coordinate planting periods with initial maintenance periods to provide required maintenance from date of Substantial Completion. 1. Sod: May —August. B. Weather Limitations: Proceed with planting only when existing and forecasted weather conditions permit. 1.8 MAINTENANCE SERVICE A. Initial Lawn Maintenance Service: Provide full maintenance by skilled employees of landscape Installer. Maintain as required in Part 3. Begin maintenance immediately after each area is planted and continue until acceptable lawn is established, but for not less than the following periods: Sodded Lawns: 1 year from date of Substantial Completion. B. Initial Sod Maintenance Service: Provide full maintenance by skilled employees of landscape Installer. Maintain as required in Part 3. Begin maintenance immediately after each area is planted and continue until acceptable sod is established, but for not less than 40 days from date Substantial Completion PART 2-PRODUCTS 2.1 TURF GRASS SOD A. Turfgrass Sod: Certified Approved Number 1 Quality/Premium, including limitations on thatch, weeds, diseases, nematodes, and insects, complying with TPI's "Specifications for Turfgrass Sod Materials" in its "Guideline Specifications to Turfgrass Sodding." Furnish viable sod of uniform density, color, and texture, strongly rooted, and capable of vigorous growth and development when planted. LAWNS AND GRASSES 02920 - 3 B. Turfgrass Species: Sod of grass species as follows, with not less than ninety-five (95) percent germination, not less than eighty-five (85) percent pure seed, and not more than one-half (1/2) percent weed seed: Colorado Buffalo Blend from Turfmaster Farms (970) 493-8311 2.2 TOPSOIL A. Planting Soil: Imported topsoil or manufactured topsoil from off -site sources. Obtain topsoil displaced from naturally well -drained construction or mining sites where topsoil occurs at least 4 inches deep; do not obtain from agricultural land, bogs or marshes. 1. Additional Properties of Imported Topsoil or Manufactured Topsoil: Screened and free of stones 1 inch or larger in any dimension; free of roots, plants, sod, clods, clay lumps, pockets of coarse sand, paint, paint washout, concrete slurry, concrete layers or chunks, cement, plaster, building debris, oils, gasoline, diesel fuel, paint thinner, turpentine, tar, roofing compound, acid, and other extraneous materials harmful to plant growth; free of obnoxious weeds and invasive plants including quackgrass, Johnsongrass, poison ivy, nutsedge, nimblewill, Canada thistle, bindweed, bentgrass, wild garlic, ground ivy, perennial sorrel, and bromegrass; not infested with nematodes, grubs, other pests, pest eggs, or other undesirable organisms and disease -causing plant pathogens; friable and with sufficient structure to give good tilth and aeration. Continuous, air -filled, pore - space content on a volume/volume basis shall be at least fifteen (15) percent when moisture is present at field capacity. Soil shall have a field capacity of at least fifteen (15) percent on a dry weight basis. 2. Mix imported topsoil or manufactured topsoil with the following soil amendments in the following quantities to produce planting soil: a. Ratio of Loose Compost to Topsoil by Volume: 1:3 B. Planting Soil: Onsite / Stockpiled topsoil Re -use surface soil stockpiled onsite. Verify suitability of stockpiled soil to produce topsoil. Clean surface soil of roots, plants, sod, stone, clay lumps and other extraneous materials harmful to plant growth. a, Supplement with imported or manufactured topsoil from off -site sources, when quantities are insufficient. See Item A. above. 2.3 ORGANIC SOIL AMENDMENTS A. Organic amendment shall be Class I as defined by the Rocky Mountain Region Organics Council. 2.4 FERTILIZER A. Fertilizer for turf shall be commercial type, of uniform composition, free flowing, and conforming to applicable state and federal laws. LAWNS AND GRASSES 02920 - 4 B. Fertilizer shall be formulated to meet the recommendations of the Colorado State University soil -testing laboratory for turf fertilization. 2.5 PESTICIDES AND HERBICIDES A. General: Pesticide, registered and approved by EPA, acceptable to authorities having jurisdiction, and of type recommended by manufacturer for each specific problem and as required for Project conditions and application. Do not use restricted pesticides unless authorized in writing by authorities having jurisdiction. B. Pre -Emergent Herbicide (Selective and Non -Selective): Effective for controlling the germination or growth of weeds within planted areas at the soil level directly below the mulch layer. EPA registered and approved, of type recommended by manufacturer for application. C. Post -Emergent Herbicide (Selective and Non -Selective): Effective for controlling weed growth that has already germinated. EPA registered and approved, of type recommended by manufacturer for application. PART 3-EXECUTION 3.1 EXAMINATION A. Examine areas to receive lawns and grass for compliance with requirements and other conditions affecting performance. B. Proceed with installation only after unsatisfactory conditions have been corrected. 3.2 PREPARATION A. Protect structures, utilities, sidewalks, pavements, and other facilities, trees, shrubs, and plantings from damage caused by planting operations. 1. Protect adjacent and adjoining areas from hydro -seeding and hydro -mulching overspray. 2. Protect grade stakes set by others until directed to remove them. B. Provide erosion -control measures to prevent erosion or displacement of soils and discharge of soil -bearing water runoff or airborne dust to adjacent properties and walkways. 3.3 SOIL AND FINISHED GRADE PREPARATION A. Limit sub -grade preparation to areas to be planted with sod. Verify rough grading provided is within one -tenth of a foot. Verify major drainage channels are completed and in place. Do not start work until the site is acceptable. Once landscape grading has commenced, the landscape contractor shall be responsible for bringing all grading to final line and grade. LAWNS AND GRASSES 02920 - 5 B. Stockpiled/New Imported Topsoil: Spread topsoil to a minimum depth of 4" in areas as delineated on the plans. Place topsoil during dry weather and on dry, unfrozen subgrade. Remove vegetable matter and foreign non -organic material from topsoil while spreading. C. Soil Amendment (compost): Sodded Areas: Spread organic amendment at a rate of 3 CY / 1,000 s.f. Do not spread if organic amendment or sub -grade is frozen, muddy, or excessively wet. D. Sub -grades: Loosen sub -grade to a minimum depth of twelve (12) inches overall (8" of existing subgrade and 4" of new topsoil). Remove stones and clods larger than one inch (1") in any dimension and sticks, roots, rubbish, and other extraneous matter and legally dispose of them off Owner's property. Repeat cultivation in areas where equipment, used for hauling and spreading topsoil, has re -compacted subsoil. E. Finish / Fine Grading: Grade disturbed planting areas to a smooth, uniform surface plane with loose, uniformly fine texture. Grade to within plus or minus one-half (1/2) inch of finish elevation. Roll and rake, remove ridges, and fill depressions to meet finish grades. Limit finish grading to areas that can be planted in the immediate future. 1. Reduce elevation of planting soil to allow for soil thickness of sod. 2. In seeded areas, reduce elevation of finished surface to %" below the adjacent pavement / curb elevation. F. Moisten prepared lawn areas before planting if soil is dry. Water thoroughly and allow surface to dry before planting. Do not create muddy soil. G. Before planting, restore areas if eroded or otherwise disturbed after finish grading. 3.4 SODDING A. Lay sod within twenty-four (24) hours of harvesting. Do not lay sod if dormant or if ground is frozen or muddy. B. Lay sod to form a solid mass with tightly fitted joints. Butt ends and sides of sod; do not stretch or overlap. Stagger sod strips or pads to offset joints in adjacent courses. Avoid damage to sub - grade or sod during installation. Tamp and roll lightly to ensure contact with subgrade, eliminate air pockets, and form a smooth surface. Work sifted soil or ,fine sand into minor cracks between pieces of sod; remove excess to avoid smothering sod and adjacent grass. I . Lay sod across angle of slopes exceeding 1:3. 2. Anchor sod on slopes exceeding 1:3 with wood pegs or steel staples spaced as recommended by sod Supplier but not less than two (2) anchors per sod strip to prevent slippage. C. Saturate sod with fine water spray within two hours of planting. During first week after planting, water daily or more frequently as necessary to maintain moist soil to a minimum depth of 1-1/2 inches below sod. LAWNS AND GRASSES 02920 - 6 3.5 TURF RENOVATION A. Renovate existing turf. B. Renovate existing turf damaged by Contractor's operations, such as storage of materials or equipment and movement of vehicles. 1. Re-establish turf where settlement or washouts occur or where minor re -grading is required. 2. Provide new topsoil as required. C. Remove sod and vegetation from diseased or unsatisfactory lawn areas; do not bury in soil. D. Remove topsoil containing foreign materials resulting from Contractor's operations, including oil drippings, fuel spills, stone, gravel, and other construction materials, and replace with new topsoil. E. Mow, dethatch, core aerate, and rake existing turf. F. Remove weeds before seeding. Where weeds are extensive, apply selective herbicides as required. Do not use pre -emergence herbicides. G. Remove waste and foreign materials, including weeds, soil cores, grass, vegetation, and turf, and legally dispose of them off Owner's property. H. Till stripped, bare, and compacted areas thoroughly to a soil depth of 6 inches. Apply soil amendments and initial fertilizers required for establishing new lawns and mix thoroughly into top four (4) inches of existing soil. Provide new planting soil to fill low spots and meet finish grades. J. Water newly planted areas and keep moist until new lawn is established. 3.6 TURF MAINTENANCE A. Maintain and establish lawn by watering, fertilizing, weeding, mowing, trimming, replanting, and other operations. Roll, re -grade, and re -plant bare or eroded areas and re -mulch to produce a uniformly smooth lawn. Provide materials and installation the same as those used in the original installation. 1. Fill in as necessary soil subsidence that may occur because of settling or other processes. Replace materials and turf damaged or lost in areas of subsidence. 2. In areas where mulch has been disturbed by wind or maintenance operations, add new mulch and anchor as required to prevent displacement. 3. Apply treatments as required to keep turf and soil free of pests and pathogens or disease. Use integrated pest management practices whenever possible to minimize the use of pesticides and reduce hazards. B. Watering: Provide and maintain temporary piping, hoses, and lawn -watering equipment to convey water from sources and to keep lawn uniformly moist to a depth of four (4) inches. LAWNS AND GRASSES 02920 - 7 I . Schedule watering to prevent wilting, puddling, erosion, and displacement of seed or mulch. Lay out temporary watering system to avoid walking over muddy or newly planted areas. 2. Water turf with fine spray at a minimum rate of one (1) inch per week unless rainfall precipitation is adequate. C. Turf Post -fertilization: Apply fertilizer after initial mowing and when grass is dry. Use fertilizer that will provide actual nitrogen of at least 1 Ib/1000 sq. ft. to lawn area. 3.7 WARRANTY / SATISFACTORY TURF A. Lawn installations shall meet the following criteria as determined by Owner's Representative: 1. Satisfactory Seeded Turf: At end of warranty period, a healthy, uniform, close stand of grass has been established, free of weeds and surface irregularities, with coverage exceeding 90 percent over any 10 sq. ft. and bare spots not exceeding 5 by 5 inches. 2. Satisfactory Sodded Turf: At end of maintenance period, a healthy, well -rooted, even - colored, viable lawn has been established, free of weeds, open joints, bare areas, and surface irregularities. 3.8 PESTICIDE APPLICATION A. Apply pesticides and other chemical products and biological control agents in accordance with requirements of authorities having jurisdiction and manufacturer's written recommendations. Coordinate applications with Owner's operations and others in proximity to the Work. Notify Owner before each application is performed. B. Post -Emergent Herbicides (Selective and Non -Selective): Apply only as necessary to treat already -germinated weeds and in accordance with manufacturer's written recommendations. 3.9 CLEANUP AND PROTECTION A. Promptly remove soil and debris, created by lawn work, from paved areas. Clean wheels of vehicles before leaving site to avoid tracking soil onto roads, walks, or other paved areas. B. Erect temporary fencing or barricades and warning signs as required to protect newly planted areas from traffic. Maintain fencing and barricades throughout initial maintenance period and remove after lawn is established. C.. Remove non -degradable erosion -control measures after grass establishment period. END OF SECTION 02920 LAWNS AND GRASSES 02920 - 8 SECTION 02950 — EXTERIOR PLANTS PARTI- GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. 1.2 SUMMARY A. Section Includes: 1. Warranty. 2. Maintenance Service. 3. Trees, Shrubs and Perennials. 4. Inorganic and Organic Soil Amendments. 5. Fertilizers — not required. 6. Planting soils. 7. Soil Amendments. 8. Mulch. 9. Tree stabilization. B. Related Sections: 1. Section "Tree Protection and Trimming" for protecting, trimming, pruning, repairing, and replacing existing trees to remain that interfere with, or are affected by execution of the work. 2. Section "Site Clearing" for protection of existing trees and plantings, topsoil stripping and stockpiling, and site clearing. 3. Section "Turf and Grasses" for sodding and native grass seeding. 1.3 DEFINITIONS A. Backfill: The earth used to replace or the act of replacing earth in an excavation. B. Balled and Burlapped Stock: Exterior plants dug with firm, natural balls of earth in which they are grown, with ball size not less than diameter and depth recommended by ANSI Z60.1 for type and size of tree or shrub required; wrapped, tied, rigidly supported, and drum laced as recommended by ANSI Z60.1. C. Balled and Potted Stock: Exterior plants dug with firm, natural balls of earth in which they are grown and placed, unbroken, in a container. Ball size is not less than diameter and depth recommended by ANSI Z60.1 for type and size of exterior plant required. D. Bare -Root Stock: Exterior plants with a well -branched, fibrous -root system developed by transplanting or root pruning, with soil or growing medium removed, and with not less than minimum root spread according to ANSI Z60.1 for type and size of exterior plant required. EXTERIOR PLANTS 02950 - 1 E. Clump: Where three or more young trees were planted in a group and have grown together as a single tree having three or more main stems or trunks. F. Container -Grown Stock: Healthy, vigorous, well -rooted exterior plants grown in a container with well -established root system reaching sides of container and maintaining a firm ball when removed from container. Container shall be rigid enough to hold ball shape and protect root mass during shipping and be sized according to ANSI Z60.1 for type and size of exterior plant required. G. Finish Grade: Elevation of finished surface of planting soil. H. Manufactured Topsoil: Soil produced off -site by homogeneously blending mineral soils or sand with stabilized organic soil amendments to produce topsoil or planting soil. Multi -Stem: Where three or more main stems arise from the ground from a single root crown or at a point right above the root crown. J. Planting Soil: Standardized topsoil; existing, native surface topsoil; existing, in -place surface soil; imported topsoil; or manufactured topsoil that is modified with soil amendments and perhaps fertilizers to produce a soil mixture best for plant growth. K. Planting Area: Areas to be planted. L. Subgrade: Surface or elevation of subsoil remaining after completing excavation, or top surface of a fill or backfill, before placing planting soil. M. Subsoil: All soil beneath the topsoil layer of the soil profile, and typified by the lack of organic matter and soil organisms. 1.4 SUBMITTALS A. Product Data: For each type of product indicated. B. Samples for Verification: For each of the following: 1. 1 lb (2.2 kg) of mulch for each type, in labeled plastic bags. Each Sample shall be typical of the lot of material to be furnished; provide an accurate representation of color, texture, and makeup. 2. Tree stabilization materials (stakes, guys, webbing). 3. Soil Amendment (Compost): I -quart volume of compost required; in sealed plastic bags labeled with composition of materials by percentage of weight and source of material. 4. Trees and Shrubs: See 1.5 - D. below. C. Product Certificates: For each type of manufactured product, from manufacturer, and complying with the following: 1. Manufacturer's certified analysis for standard products. 2. Analysis of other materials by a recognized laboratory made according to methods established by the Association of Official Analytical Chemists, where applicable. EXTERIOR PLANTS 02950 - 2 D. Material Test Reports: For soil amendment (compost). Provide product name, full analysis, supplier name and phone number. E. Planting Schedule: Indicating anticipated planting dates for exterior plants. F. Warranty: Sample of special warranty. 1.5 QUALITY ASSURANCE A. Installer Qualifications: A qualified landscape installer whose work has resulted in successful establishment of exterior plants. B. Soil -Testing Laboratory Qualifications: An independent laboratory, recognized by the State Department -of Agriculture, with the experience and capability to conduct the testing indicated and that specializes in types of tests to be performed. C. Topsoil Analysis: not required. D. Provide quality, size, genus, species, and variety of exterior plants indicated, complying with applicable requirements in ANSI Z60.1, "American Standard for Nursery Stock." Selection of exterior plants purchased under allowances will be made by Owner's Representative, who will tag plants at their place of growth before they are prepared for transplanting. E. Tree and Shrub Measurements: Measure according to ANSI Z60.1 with branches and trunks or canes in their normal position. Do not prune to obtain required sizes. Take caliper measurements 6 inches above the ground for trees up to 4-inch caliper size, and 12 inches above the ground for larger sizes. Measure main body of tree or shrub for height and spread; do not measure branches or roots tip -to -tip. F. Observation: Owner's Representative may observe trees and shrubs either at place of growth or at site before planting for compliance with requirements for genus, species, variety, size, and quality. Owner's Representative retains right to observe trees and shrubs further for size and condition of balls and root systems, insects, injuries, and latent defects and to reject unsatisfactory or defective material at any time during progress of work. Remove rejected trees or shrubs immediately from Project site. I. Notify Owner's Representative of sources of planting materials seven days in advance of delivery to site. 1.6 DELIVERY, STORAGE, AND HANDLING A. Packaged Materials: Deliver packaged materials in original, unopened containers showing weight, certified analysis, name and address of manufacturer, and indication of conformance with state and federal laws if applicable. B. Bulk Materials: EXTERIOR PLANTS 02950 - 3 agreement between the parties and shall be binding upon said parties, their officers, employees, agents and assigns and shall inure to the benefit of the respective survivors, heirs, personal representatives, successors and assigns of said parties. 15. Indemnity/Insurance. a. The Service Provider agrees to indemnify and save harmless the City, its officers, agents and employees against and from any and all actions, suits, claims, demands or liability of any character whatsoever brought or asserted for injuries to or death of any person or persons, or damages to property arising out of, result from or occurring in connection with the performance of any service hereunder. b. The Service Provider shall take all necessary precautions in performing the work hereunder to prevent injury to persons and property. c. Without limiting any of the Service Provider's obligations hereunder, the Service Provider shall provide and maintain insurance coverage naming the City as an additional insured under this Agreement of the type and with the limits specified within Exhibit C, consisting of one (1) page, attached hereto and incorporated herein by this reference. The Service Provider before commencing services hereunder, shall deliver to the City's Director of Purchasing and Risk Management, P. O. Box 580 Fort Collins, Colorado 80522 one copy of a certificate evidencing the insurance coverage required from an insurance company acceptable to the City. 16. Entire Agreement. This Agreement, along with all Exhibits and other documents incorporated herein, shall constitute the entire Agreement of the parties. Covenants or representations not contained in this Agreement shall not be binding on the parties. 17. Law/Severability. The laws of the State of Colorado shall govern the construction interpretation, execution and enforcement of this Agreement. In the event any provision of 1. Do not dump or store bulk materials near structures, utilities, walkways and pavements, or on existing turf areas or plants. 2. Provide erosion -control measures to prevent erosion or displacement of bulk materials, discharge of soil -bearing water runoff, and airborne dust reaching adjacent properties, water conveyance systems, or walkways. 3. Accompany each delivery of bulk fertilizers, lime (if required), and soil amendments with appropriate certificates. C. Deliver exterior plants freshly dug. D. Do not prune trees and shrubs before delivery. Protect bark, branches, and root systems from sun scald, drying, sweating, whipping, and other handling and tying damage. Do not bend or bind -tie trees or shrubs in such a manner as to destroy. their natural shape. Provide protective covering of exterior plants during delivery. Do not drop exterior plants during delivery and handling. E. Handle planting stock by root ball. F. Deliver exterior plants after preparations for planting have been completed and install immediately. If planting is delayed more than six (6) hours after delivery, set exterior plants and trees in shade, protect from wind and sun, and mechanical damage, and keep roots/root balls moist and covered with bark mulch as described below: 1. Set balled stock on ground and cover ball with soil, peat moss, sawdust, or other acceptable material. 2. Do not remove container -grown stock from containers before time of planting. 3. Water root systems of exterior plants stored on with afine-mist spray. Water as often as necessary to maintain root systems in a moist condition. 1.7 PROJECT CONDITIONS A. Field Measurements: Verify actual grade elevations, service and utility locations, irrigation system components, and dimensions of plantings and construction contiguous with new plantings by field measurements before proceeding with planting work. B. Interruption of Existing Services or Utilities (including agricultural ditches): Do not interrupt services or utilities to facilities occupied by the City or others unless permitted under the following conditions and then only after arranging to provide temporary services or utilities according to requirements indicated: Notify the City no fewer than two days in advance of proposed interruption of each service or utility. C. Do not proceed with interruption of services or utilities without Owner's written permission. D. Planting Restrictions: Plant during one of the following periods. Coordinate planting periods with maintenance periods to provide required maintenance from date of Substantial Completion. l . Spring Planting: March 15 through June 1. 2. Fall Planting: September 1 through October 15. EXTERIOR PLANTS 02950 - 4 E. Weather Limitations: Proceed with planting only when existing and forecasted weather conditions permit planting to be performed when beneficial and optimum results may be obtained. F. Coordination with Seeded and Sodded areas: Plant trees and shrubs after finish grades are established and before seeding or sodding. When planting trees and shrubs or other plants after installed seeded or sod, protect turf areas and promptly repair damage caused by planting operations. 1.8 WARRANTY A. Special Warranty: Installer agrees to repair or replace plantings and accessories that fail in materials, workmanship, or growth within specified warranty period. Failures include, but are not limited to, the following: a. Death and unsatisfactory growth, except for defects resulting from lack of adequate maintenance, neglect, abuse by the City, or incidents that are beyond Contractor's control. b. Structural failures including plantings falling or blowing over. C. Faulty performance of tree stabilization. d. Deterioration of metals, metal finishes, and other materials beyond normal weathering. 2. Warranty Periods from Date of Substantial Completion: a. Trees and Shrubs: One year. b. Ornamental Grasses: One year. C. Ground Cover, Perennials and other Plants: One year. d. Annuals: Two months. 3. Include the following remedial actions as a minimum: a. Immediately remove dead plants and replace in the succeeding planting season. b. Replace exterior plants that are more than 25 percent dead or in an unhealthy condition at end of warranty period. C. A limit of one (1) replacement of each exterior plant will be required except for losses or replacements due to failure to comply with requirements. d. Provide extended warranty for replaced plant materials; warranty period equal to original warranty period. 1.9 MAINTENANCE SERVICE A. Initial Maintenance Service for Trees, Shrubs, Ornamental Grasses and Perennials: Provide full maintenance by skilled employees of landscape Installer. Maintain as required in Part 3. Begin maintenance immediately after each area is planted and continue until plantings are acceptably healthy and well established, but for not less than maintenance period below. EXTERIOR PLANTS 02950 - 5 Maintenance Period: From initial planning to Substantial Completion. B. Continuing Maintenance Proposal: not required. City will take over maintenance responsibilities following Substantial Completion. 1.10 ADDITIONAL REQUIREMENTS A. All workmanship, products, materials and methods shall meet the current City of Boulder Design and Construction Standards. Contractor is solely responsible for obtaining the most current version of these standards and notifying the City's Project Manager of and discrepancies with these specifications prior to commencing work related to this project. PART 2-PRODUCTS 2.1 PLANT MATERIAL A. General: Furnish nursery -grown plants true to genus, species, variety, cultivar, stem form, shearing, and other features indicated in Plant Schedule or Plant Legend shown on Drawings and complying with ANSI Z60.1; and with healthy buds, stems and bark; and healthy root systems developed by transplanting or root pruning. Provide well -shaped, fully branched, healthy, vigorous stock, densely foliated when in leaf and free of disease, pests, eggs, larvae, and defects such as knots, sun scald, injuries, abrasions, and disfigurement. 1. Trees with damaged, crooked, or multiple leaders; tight vertical branches where bark is squeezed between two branches or between branch and trunk ("included bark"); crossing trunks; cut-off limbs more than 3/4 inch (19 min) in diameter; with stem girdling roots; or root flares below the top of the root ball will be rejected. 2. Collected Stock: Do not use plants harvested from the wild, from native stands, from an established landscape planting, or not grown in a nursery unless otherwise indicated. B. All trees and shrubs shall be freshly dug at time of delivery, unless they are container -grown. Plants that have been heeled -in for more than 1 month or that exhibit roots outside the original ball shall not be accepted. C. Provide plants of sizes, grades, and ball or container sizes complying with ANSI Z60.1 for types and form of plants required. Plants of a larger size may be used if acceptable to Architect, with a proportionate increase in size of roots or balls. D. Root -Ball Depth: Furnish trees and shrubs with root balls measured from top of root ball, which shall begin at root flare according to ANSI Z60.1. Root flare shall be visible before planting, requiring hand excavation, refer to planting details. E. If formal arrangements or consecutive order of plants is shown on Drawings, select stock for uniform height and spread, and number the labels to assure symmetry in planting. EXTERIOR PLANTS 02950 - 6 2.2 INORGANIC SOIL AMENDMENTS A. Sulfur: Granular, biodegradable, containing a minimum of 90 percent sulfur, with a minimum of 99 percent passing through No. 6 (3.35-mm) sieve and a maximum of 10 percent passing through No. 40 (0.425-mm) sieve. B. Iron Sulfate: Granulated ferrous sulfate containing a minimum of 20 percent iron and 10 percent sulfur. C. Aluminum Sulfate: Commercial grade, unadulterated. D. Perlite: Horticultural perlite, soil amendment grade. E. Agricultural Gypsum: Finely ground, containing a minimum of 90 percent calcium sulfate. F. Sand: Clean, washed, natural or manufactured, free of toxic materials. G. Diatomaceous Earth: Calcined, diatomaceous earth, 90 percent silica, with approximately 140 percent water absorption capacity by weight. H. Zeolites: Mineral clinoptilolite with at least 60 percent water absorption by weight. 2.3 ORGANIC SOIL AMENDMENTS A. Compost: Fully -composted, stable, and weed -free organic matter, pH range of 5.5 to 8; moisture content 35 to 55 percent by weight; 100 percent passing through 1/2-inch (13-mm) sieve; soluble salt content of not exceeding a maximum of 5 mmhos/cm; not exceeding 0.5 percent inert contaminants and free of substances toxic to plantings; and as follows: 1. Organic Matter Content: 50 to 60 percent of dry weight. 2. Feedstock: Agricultural, food, or industrial residuals; biosolids; yard trimmings; or source -separated or compostable mixed solid waste. B. Mountain Peat: Not to be used on this project. C. Sphagnum Peat: Not to be used on this project. D. Muck Peat: Not to be used on this project. E. Wood Derivatives: Decomposed, nitrogen -treated sawdust, ground bark, or wood waste; of uniform texture and free of chips, stones, sticks, soil, or toxic materials. In lieu of decomposed wood derivatives, mix partially decomposed wood derivatives with ammonium nitrate at a minimum rate of 0.15 lb/cu. ft. (2.4 kg/cu. m) of loose sawdust or ground bark, or with ammonium sulfate at a minimum rate of 0.25 lb/cu. ft. (4 kg/cu. m) of loose sawdust or ground bark. F. Manure: Well -rotted, unleached, stable or cattle manure containing not more than 25 percent by volume of straw, sawdust, or other bedding materials; free of toxic substances, stones, sticks, soil, weed seed, debris, and material harmful to plant growth. EXTERIOR PLANTS 02950 - 7 G. FERTILIZER Fertilizer for trees, shrubs, and perennials shall be Osmocote Plus, 9 month slow release fertilizer for northern states. Apply per manufacturer's recommendations. 2. Treble superphosphate (for perennial, ornamental grass, and annual beds only). Commercially available brand. Submit proposed formulation and company name. 2.4 PLANTING SOILS A. Planting Soil: Existing, in -place surface soil. Verify suitability of existing surface soil to produce viable planting soil. Remove stones, roots, plants, sod, clods, clay lumps, pockets of coarse sand, concrete slurry, concrete layers or chunks, cement, plaster, building debris, and other extraneous materials harmful to plant growth. Stockpile material on -site for future use in appropriate quantity. Mix surface soil with soil amendments and fertilizers as specified elsewhere in this specification. Ratio of Loose Compost to Surface Soil by Volume: 3 cubic yards per 1,000 SF minimum. 2.5 MULCHES A. Organic Mulch: Free from deleterious materials and used as a top dressing of trees, shrubs and ornamental grasses, consisting of one of the following: 1. Type: Ground or shredded bark. 2. Size Range: 3 inches (76 mm) maximum, 1/2 inch (13 mm) minimum. 3. Color: Dark Brown B. In -organic (rock) Mulch: Hard, durable stone, washed free of loam, sand, clay, and other foreign substances, of following type, size range, and color: Type 1: 1.5" - 2" Poudre River Rock or approved equal a. Size Range: 1.5"-2" b. Color: Uniform tan -beige color range acceptable to Owners Representative C. Depth: 3" minimum d. Source: Timberrock Landscape Center (970) 686-0442 or approved equal. 2. Type 2: 6" — 9" Rose Rip Rap a. Size Range: 6" — 9" b. Color: Rose C. Depth: 6" minimum d. Source: Timberrock Landscape Center (970) 686-0442 or approved equal. EXTERIOR PLANTS 02950 - 8 2.6 WEED -CONTROL BARRIERS A. Mirafi 140, Typar 3341, or Polyspim 300 or approved equivalent. B. Weed barriers shall be provided beneath in -organic (rock) mulch areas only, to include cobble swale and planting areas adjacent building perimeter. 2.7 TREE STABILIZATION MATERIALS A. Stakes and Guys: 1. Upright and Guy Stakes: Green 6-foot steel tee posts with blade with permanent plastic or rubber/urethane protective cap. 2. Guys and Tie Wires: ASTM A 641/A 641M, Class 1, galvanized -steel wire, two -strand, twisted, 0.106 inch (2.7 min) in diameter. 3. Tree -Tie Webbing: 2-inch wide (minimum) UV -resistant nylon/cotton blend webbing with heat sealed ends, tensile strength of 1000 pounds minimum, and brass grommets. 4. Guy Cables: 12-guage minimum galvanized steel with PVC sleeve completely covering area between guy stake and tree -tie webbing. 5. Flags: Standard surveyor's plastic flagging tape, white, minimum 6 inches (150 mm) long. 2.8 LANDSCAPE EDGINGS A. Steel Header: Standard commercial -steel header, rolled edge, fabricated in sections of standard lengths, with loops stamped from or welded to face of sections to receive stakes. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following: a. Ryerson Steel. b. Approved substitute. 2. Header Size: minimum of 1/8 inch wide by 4" inches deep (must be rolled top or equivalent). 3. Stakes: Tapered steel, a minimum of twelve inches (12"). 4. Accessories: Standard tapered ends, corners and splicers. 5. Finish: Standard green paint. PART 3 - EXECUTION 3.1 EXAMINATION A. Examine areas to receive plants for compliance with requirements and conditions affecting installation and performance. EXTERIOR PLANTS 02950 - 9 I. Verify that no foreign or deleterious material or liquid such as paint, paint washout, concrete slurry, concrete layers or chunks, cement, plaster, oils, gasoline, diesel fuel, paint thinner, turpentine, tar, roofing compound, or acid has been deposited in soil within a planting area. 2. Do not mix or place soils and soil amendments in frozen, wet, or muddy conditions. 3. Suspend soil spreading, grading, and tilling operations during periods of excessive soil moisture until the moisture content reaches acceptable levels to attain the required results. 4. Uniformly moisten excessively dry soil that is not workable and which is too dusty. B. Proceed with installation only after unsatisfactory conditions have been corrected. C. If contamination by foreign or deleterious material or liquid is present in soil within a planting area, remove the soil and contamination as directed by Architect and replace with new planting soil. 3.2 PREPARATION A. Protect structures, utilities, sidewalks, pavements, and other facilities and turf areas and existing plants from damage caused by planting operations. B. Install erosion -control measures to prevent erosion or displacement of soils and discharge of soil -bearing water runoff or airborne dust to adjacent properties and walkways. C. Lay out individual tree and shrub locations and areas for multiple plantings. Stake locations, outline areas, adjust locations when requested, and obtain the City's acceptance of layout before excavating or planting. Make minor adjustments as required. D. Wrap trees and shrubs with burlap fabric over trunks, branches, stems, twigs, and foliage to protect from wind and other damage during digging, handling, and transportation. 3.3 PLANTING BED ESTABLISHMENT A. Loosen subgrade of planting areas to a minimum depth of 12 inches (300 mm). Remove stones larger than 1 inch (25 mm) in any dimension and sticks, roots, rubbish, and other extraneous matter and legally dispose of them off Owner's property. 1. Thoroughly blend planting soil off -site before spreading or spread topsoil, apply soil amendments on surface, and thoroughly blend planting soil. 2. Spread planting soil to required depth not less than required to meet finish grades after natural settlement. Do not spread if planting soil or subgrade is frozen, muddy, or excessively wet. B. Finish Grading: Grade planting areas to a smooth, uniform surface plane with loose, uniformly fine texture. Roll and rake, remove ridges, and fill depressions to meet finish grades. C. Before planting, obtain Architect's acceptance of finish grading; restore planting areas if eroded or otherwise disturbed after finish grading. EXTERIOR PLANTS 02950 - 10 3.4 EXCAVATION FOR TREES AND SHRUBS A. Planting Pits and Trenches: Excavate circular planting pits with sides sloping inward at a 45- degree angle. Excavations with vertical sides are not acceptable. Trim perimeter of bottom leaving center area of bottom raised slightly to support root ball and assist in drainage away from center. Do not further disturb base. Ensure that root ball will sit on undisturbed base soil to prevent settling. Scarify sides of planting pit smeared or smoothed during excavation. 1. Excavate approximately three times as wide as ball diameter for balled and burlapped and container -grown stock. 2. Excavate at least 12 inches (300 mm) wider than root spread and deep enough to accommodate vertical roots for bare -root stock. 3. Do not excavate deeper than depth of the root ball, measured from the root flare to the bottom of the root ball. 4. If area under the plant was initially dug too deep, add soil to raise it to the correct level and thoroughly tamp the added soil to prevent settling. 5. Maintain required angles of repose of adjacent materials as shown on the Drawings. Do not excavate subgrades of adjacent paving, structures, hardscapes, or other new or existing improvements. 6. Maintain supervision of excavations during working hours. 7. Keep excavations covered or otherwise protected overnight, after working hours or when unattended by Installer's personnel. B. Subsoil and topsoil removed from excavations may be used as planting soil as part of the backfill mixture. C. Obstructions: Notify the City's Project Manager if unexpected rock or obstructions detrimental to trees or shrubs are encountered in excavations. Hardpan Layer: Drill 6-inch- (150-mm-) diameter holes, 24 inches (600 mm) apart, into free -draining strata or to a depth of 10 feet (3 m), whichever is less, and backfill with free -draining material. D. Drainage: Notify Architect if subsoil conditions evidence unexpected water seepage or retention in tree or shrub planting pits. E. Fill excavations with water and allow to percolate away before positioning trees and shrubs. 3.5 TREE AND SHRUB PLANTING A. Before planting, verify that root flare is visible at top of root ball according to ANSI Z60.1. If root flare is.not visible, remove soil in a level manner from the root ball to where the top -most root emerges from the trunk. After soil removal to expose the root flare, verify that root ball still meets size requirements. B. Remove stem girdling roots and kinked roots. Remove injured roots by cutting cleanly; do not break. C. Set balled and burlapped stock plumb and in center of planting pit or trench with original root flare 2 inches (50 mm) above adjacent finish grades. EXTERIOR PLANTS 02950 - 11 1. Use planting soil for portion of backfill mixture. 2. After placing some backfill around root ball to stabilize plant, all materials shall be carefully and completely removed from the ball and trunk, including but not limited to plastic, metal, wire, wood, cardboard, paper, fiber, burlap, and twine. Remove pallets, if any, before setting. Do not use planting stock if root ball is cracked or broken before or during planting operation. 3. Backfill around root ball in layers, tamping to settle soil and eliminate voids and air pockets. When planting pit is approximately one-half filled, water thoroughly before placing remainder of backfill. Repeat watering until no more water is absorbed. 4. All plants shall be placed and kept plumb and straight as the pit is filled with backfill. Any plant that is not plumb prior to final acceptance shall be rejected. 5. Continue backfilling process. Water again after placing and tamping final layer of soil. D. When planting on slopes, set the plant so the root flare on the uphill side is flush with the surrounding soil on the slope; the edge of the root ball on the downhill side will be above the surrounding soil. Apply enough soil to cover the downhill side of the root ball. 3.6 TREE STABILIZATION A. Install trunk stabilization as follows unless otherwise indicated: 1. Upright Staking and Tying: For all trees, the contractor shall drive a minimum of three stakes at least 18 inches (450 min) below bottom of backfilled excavation and to extend to the location of branching shown on Drawings above grade. Set vertical stakes and space to avoid penetrating root balls or root masses. 2. The contractor shall run a double strand of wire through one grommet in the strap, wrap the strap around trunk at no more than one-third the height of tree, and run wire through other grommet and back to stake. Strap and wire attachment between the stake and tree shall be adjusted so that straps are under just enough tension to avoid visible sag in lines. Rigid guying shall not be accepted. Straps and wires shall be placed so as to be perpendicular to the trunk. Stakes shall be parallel or slightly angled away from the trunk. 3. Orient stakes located along walkways so that guying wire is parallel to the direction of travel. a.. Attach flags to each guy wire, 30 inches above finish grade. 3.7 GROUND COVER AND PLANT PLANTING A. Set out and space ground cover and plants other than trees, shrubs, and vines as indicated in even rows with triangular spacing. B. Use planting soil for backfill. C. Dig holes large enough to allow spreading of roots. D. For rooted cutting plants supplied in flats, plant each in a manner that will minimally disturb the root system but to a depth not less than two nodes. EXTERIOR PLANTS 02950 - 12 E. Work soil around roots to eliminate air pockets and leave a slight saucer indentation around plants to hold water. F. Water thoroughly after planting, taking care not to cover plant crowns with wet soil. G. Protect plants from hot sun and wind; remove protection if plants show evidence of recovery from transplanting shock. 3.8 PLANTING AREA MULCHING A. Mulch backfilled surfaces of planting areas with shredded wood mulch and other areas indicated. 1. Trees and Tree -like Shrubs in Turf Areas: Apply organic mulch ring of 3-4 inch (75- mm) (after settlement) average thickness, with 36-inch (600-mm) radius around trunks or stems. Do not place mulch within 4 inches (150 mm) of trunks or stems. 2. Organic Mulch in Planting Areas: Apply 3-4 inch (75-mm) (after settlement) (50-mm) average thickness of organic mulch over whole surface of planting area, and finish level with adjacent finish grades. Do not place mulch within 3 inches (75 mm) of trunks or stems. 3. Mineral Mulch in Planting Areas: Apply 3-inch (75-mm) Insert dimension average thickness of mineral mulch over whole surface of planting area, and finish level with adjacent finish grades. Do not place mulch within 3 inches (75 mm) of trunks or stems. 3.9 PLANT MAINTENANCE A. Maintain plantings by, cultivating, watering, weeding, mulching, restoring planting saucers, adjusting and repairing tree -stabilization devices, resetting to proper grades or vertical position, and performing other operations as required to establish healthy, viable plantings. B. Fill in as necessary soil subsidence that may occur because of settling or other processes. Replace mulch materials damaged or lost in areas of subsidence. C. The Contractor shall remove all stakes and guy wires no more than one (1) year from the date of tree installation. 3.10 CLEANUP AND PROTECTION A. During planting, keep adjacent paving and construction clean and work area in an orderly condition. B. Protect plants from damage due to landscape operations and operations of other contractors and trades. Maintain protection during installation and maintenance periods. Treat, repair, or replace damaged plantings. C. Immediately after installation remove nursery tags, nursery stakes, tie tape, labels, wire, burlap, and other debris from plant material, planting areas, and Project site. EXTERIOR PLANTS 02950 - 13 this Agreement shall be held invalid or unenforceable by any court of competent jurisdiction, such holding shall not invalidate or render unenforceable any other provision of this Agreement. 18. Prohibition Against Employing Illegal Aliens. Pursuant to Section 8-17.5-101, C.R.S., et. seq., Service Provider represents and agrees that: a. As of the date of this Agreement: 1. Service Provider does not knowingly employ or contract with an illegal alien who will perform work under this Agreement; and 2. Service Provider will participate in either the e-Verify program created in Public Law 208, 104th Congress, as amended, and expanded in Public Law 156, 108th Congress, as amended, administered by the United States Department of Homeland Security (the "e-Verify Program") or the Department Program (the "Department Program"), an employment verification program established pursuant to Section 8-17.5-102(5)(c) C.R.S. in order to confirm the employment eligibility of all newly hired employees to perform work under this Agreement. b. Service Provider shall not knowingly employ or contract with an illegal alien to perform work under this Agreement or knowingly enter into a contract with a subcontractor that knowingly employs or contracts with an illegal alien to perform work under this Agreement. c. Service Provider is prohibited from using the e-Verify Program or Department Program procedures to undertake pre -employment screening of job applicants while this Agreement is being performed. d. If Service Provider obtains actual knowledge that a subcontractor performing work under this Agreement knowingly employs or contracts with an illegal alien, Service ).11 DISPOSAL A. Remove surplus soil and waste material including excess subsoil, unsuitable soil, trash, and debris and legally dispose of them off the City's property. END OF SECTION 02950 EXTERIOR PLANTS 02950 - 14 " ? SNITOJ 1N01 j0 ALIJ I\�IiI E! 5 V 6 i u w III ��IIII a L23 Z fj8 �d5�z 0 9 aaQ zuz d�z Nouvisans UNBdOd W is 0�5 a g 'a g e �'-' �h�'LF ��B�d� �o ^�3 � g e§ �s€� YF.B��y � •y � - o �- 8a_�,geg ss 73 ,S�yko gg zeh �7 a o61 f g` 9c o he =`='ass d9p W9 0 xs F '€a`^ c a e3Y 3 u H_ K 2 � gas _e_e).il:) . � §\ © a� m mwmd 7 gG ., .| : { |\ \ \ | ! - 6 .-./ / \ ■!§!!§ H! � |{ �k ! N a �n > o au 00 n U v O 0UN r� o O D e0 acn �� 6 N C O o U _T 0 v U LL U I � N m � c m d a m C Z m N 3 � 0 N N J + SN1110D 1104 40 "D V 0 E• a 9 c: 5 Nouvisuns HNlbOd 7 a OVON HAN180d i ��• EYo PIP �� u e_ E s`( /�' os� t So d` �e A4 i O r � e iiiiii €"- 3 v s 9 {q 9 SMllOJ 1NO3 jO"D 7 ¢ ` u '7 ata e a <a NOI1V1S8f1S N3NlbOd� M z� x e a� S� So c""�� EXHIBIT B CONTRACT SUM EXHIBIT 1 - REVISED BID SCHEDULE ITEM DESCRIPTION UNIT QTY. UNIT PRICE` _. . '`ITEM TOTAL. GENERAL REQUIREMENTS 1 DenwGtion - clear and c1rub SF 17.120 Subtotal $ SS SITE;&;LANDSCAPE 2 Berm Fill and Contourin q LS 1 / / $ /xg/3 - 3 Fine Grading SF 30120 , O° $ /O 4 Topsoil Import 4" Thick SF 5,200 $ 5 Compost in Sod Areas 3 yards per 1 000square feet 'SF 17,000 O $ °° 6 Buffalo Blend Sod SF 17.000 , 96 $ 7 lDeciduous Shrubs - 5 gal. EA 137 c2%. g $ y° 3 ° - 8 Evergreen Shrubs - 5 gal. FA 18 .24, • S" $ 5/ s/° 9 Ornamental Grasses - 1 gal. EA 77 C7, A; $ %s j - ° 10 Ever reen Trees 6' h. (Junipers) EA 9 b' • (o k $ .S3 - i 11 Evergreen Trees 6' h. EA 5 00 $ O - 12 Evergreen Trees 8' h. EA 4 3025"1 o'1s' $ o - 13 Weed Barrier Shrub Beds and 3' Fence Section SF 13,240 , ✓s3 'p oa 14..1 Tvoe 1 Mulch - 1.5-2" Tan Poudre RverRock SF 13 120 . gy $ / 3.? - e 15 Type 2 Mulch - 3"-6" Rose rip rap) SF 120 F. os— $ 57" ° 17 Steel Edger LF 900 ' , e $ S 18 Irri ation LS 1 / `/- 19 1 Year Turf Maintenance LS 1 .S $ •I -CO - Subtotal $ O TOTALS 9S,21e 3 IN SU PRINTED: l-(ty/w Z';'Y/I'v DATE:_/&71--�ot3 COMPANY: di&y ADDRESS: CITY, STATE, ZIP: /�OR�r_ (_�Aw45 cei 8o5'�1St� PHONE: EMAIL:X/a,ma,, iRAAYh1f41 c—irrimempw' COOP �.7/Dt�t'D� �/ ,�uD �a iit�.t✓t.nuc�Ar�� EXHIBIT C INSURANCE REQUIREMENTS The Service Provider will provide, from insurance companies acceptable to the City, the insurance coverage designated hereinafter and pay all costs. Before commencing work under this bid, the Service Provider shall furnish the City with certificates of insurance showing the type, amount, class of operations covered, effective dates and date of expiration of policies, and containing substantially the following statement: "The insurance evidenced by this Certificate will not be cancelled or materially altered, except after ten (10) days written notice has been received by the City of Fort Collins." In case of the breach of any provision of the Insurance Requirements, the City, at its option, may take out and maintain, at the expense of the Service Provider, such insurance as the City may deem proper and may deduct the cost of such insurance from any monies which may be due or become due the Service Provider under this Agreement. The City, its officers, agents and employees shall be named as additional insureds on the Service Provider's general liability and automobile liability insurance policies for any claims arising out of work performed under this Agreement. 2. Insurance coverages shall be as follows: A. Workers' Compensation & Employer's Liability. The Service Provider shall maintain during the life of this Agreement for all of the Service Provider's employees engaged in work performed under this agreement: 1. Workers' Compensation insurance with statutory limits as required by Colorado law. 2. Employer's Liability insurance with limits of $100,000 per accident, $500,000 disease aggregate, and $100,000 disease each employee. B. Commercial General & Vehicle Liability. The Service Provider shall maintain during the life of this Agreement such commercial general liability and automobile liability insurance as will provide coverage for damage claims of personal injury, including accidental death, as well as for claims for property damage, which may arise directly or indirectly from the performance of work under this Agreement. Coverage for property damage shall be on a "broad form" basis. The amount of insurance for each coverage, Commercial General and Vehicle, shall not be less than $500,000 combined single limits for bodily injury and property damage. In the event any work is performed by a subcontractor, the Service Provider shall be responsible for any liability directly or indirectly arising out of the work performed under this Agreement by a subcontractor, which liability is not covered by the subcontractor's insurance. EXHIBIT D CONFIDENTIALITY IN CONNECTION WITH SERVICES provided to the City of Fort Collins (the "City") pursuant to this Agreement (the "Agreement"), the Service Provider hereby acknowledges that it has been informed that the City has established policies and procedures with regard to the handling of confidential information and other sensitive materials. In consideration of access to certain information, data and material (hereinafter individually and collectively, regardless of nature, referred to as "information") that are the property of and/or relate to the City or its employees, customers or suppliers, which access is related to the performance of services that the Service Provider has agreed to perform, the Service Provider hereby acknowledges and agrees as follows: That information that has or will come into its possession or knowledge in connection with the performance of services for the City may be confidential and/or proprietary. The Service Provider agrees to treat as confidential (a) all information that is owned by the City, or that relates to the business of the City , or that is used by the City in carrying on business, and (b) all information that is proprietary to a third party (including but not limited to customers and suppliers of the City) . The Service Provider shall not disclose any such information to any person not having a legitimate need -to -know for purposes authorized by the City. Further, the Service Provider shall not use such information to obtain any economic or other benefit for itself, or any third party, except as specifically authorized by the City. The foregoing to the contrary notwithstanding, the Service Provider understands that it shall have no obligation under this Agreement with respect to information and material that (a) becomes generally known to the public by publication or some means other than a breach of duty of this Agreement, or (b) is required by law, regulation or court order to be disclosed, provided that the request for such disclosure is proper and the disclosure does not exceed that which is required. In the event of any disclosure under (b) above, the Service Provider shall furnish a copy of this Agreement to anyone to whom it is required to make such disclosure and shall promptly advise the City in writing of each such disclosure. In the event that the Service Provider ceases to perform services for the City, or the City so requests for any reason, the Service Provider shall promptly return to the City any and all information described hereinabove, including all copies, notes and/or summaries (handwritten or mechanically produced) thereof, in its possession or control or as to which it otherwise has access. The Service Provider understands and agrees that the City's remedies at law for a breach of the Service Provider's obligations under this Confidentiality Agreement may be inadequate and that the City shall, in the event of any such breach, be entitled to seek equitable relief (including without limitation preliminary and permanent injunctive relief and specific performance) in addition to all other remedies provided hereunder or available at law. Provider shall: 1. Notify such subcontractor and the City within three days that Service Provider has actual knowledge that the subcontractor is employing or contracting with an illegal alien; and 2. Terminate the subcontract with the subcontractor if within three days of receiving the notice required pursuant to this section the subcontractor does not cease employing or contracting with the illegal alien; except that Service Provider shall not terminate the contract with the subcontractor if during such three days the subcontractor provides information to establish that the subcontractor has not knowingly employed or contracted with an illegal alien. e. Service Provider shall comply with any reasonable request by the Colorado Department of Labor and Employment (the "Department') made in the course of an investigation that the Department undertakes or is undertaking pursuant to the authority established in Subsection 8-17.5-102 (5), C.R.S. f. If Service Provider violates any provision of this Agreement pertaining to the duties imposed by Subsection 8-17.5-102, C.R.S. the City may terminate this Agreement. If this Agreement is so terminated, Service Provider shall be liable for actual and consequential damages to the City arising out of Service Provider's violation of Subsection 8-17.5-102, C.R.S. g. The City will notify the Office of the Secretary of State if Service Provider violates this provision of this Agreement and the City terminates the Agreement for such breach. 19. Special Provisions. Special provisions or conditions relating to the services to be performed pursuant to this Agreement are set forth in Exhibit "D" - Confidentiality, consisting of one (1) page, attached hereto and incorporated herein by this reference. G�TY OF o CITY OF FORT COLLINS, COLORADO s'A a municip orpo ration .r By: Ci Gerry Paul Of •., Director of Purchasing and Risk Management O ... Date: 7b -b K . I ATTEST: City (,Clerk L AP RO ED AS TO FORM: 7 r Assf tant UVAttorroy RATW Mir' L//6�-- Pza/bew-7- CORPORATE PRESIDENT OR VICE PRESIDENT ite: (Corporate Seal) EXHIBIT A SECTION 02230 — SITE CLEARING PART 1 —GENERAL 1.01 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section. I�1➢�Y�lulu • ' A. This Section includes the following: I . Protecting existing trees to remain. 2. Removing existing trees and shrubs. 3. Clearing and grubbing. 4. Removing above- and below -grade site improvements. 5. Disconnecting, capping or sealing, and abandoning site utilities in place. 6. Temporary erosion and sedimentation control measures. B. Related Sections include the following: 1. Division 2 Section "Tree Protection and Trimming" for protecting trees remaining on -site that are affected by site operations. 2. Division 2 Section "Lawns and Grasses" for finish grading including preparing and placing planting soil mixes and testing of topsoil material. 1.03 DEFINITIONS A. Topsoil defined below is raw material that may need screening and amending before meeting planting soil mix requirements. C. Tree Protection Zone: Area surrounding individual trees or groups of trees to be protected during construction, and defined by the drip line of individual trees or the perimeter drip line of groups of trees, unless otherwise indicated. 1.04 MATERIAL OWNERSHIP A. Except for stripped topsoil or other materials indicated to remain Owner's property, cleared materials shall become Contractor's property and shall be removed from Project site. SITE CLEARING SECTION 02230