Cupertino City Council
January 17, 2023

007200_GeneralRequirements
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

SECTION 00 72 00 GENERAL REQUIREMENTS

PART 1 - INFORMATION AND DOCUMENTS

1.1 REFERENCE TERMS

A. The term "Owner" or "City" shall mean "City of Cupertino" and the authorized representatives acting on the City’s behalf.

1.2 DOCUMENTS

A. Drawings and Specifications Cooperative: The Drawings and Specifications labeled "Wilson Park Community Garden " are intended to be complementary and items or information shown in one but not the other are to be included as if shown in both. Anything not expressly set forth in eit her but which is necessarily implied shall be furnished as though specifically both shown and mentioned without extra charge. Should anything be omitted from the drawings that are necessary for proper execution of the work herein described, it shall be the duty of the Contractor to notify the City before signing the contract.

B. Scaling of Prints: Shall be avoided and, when done, shall be the Contractor’s responsibility. Given dimensions shall take precedence. Consult the Engineer for all necessary dimensions that are not given. Check and verify all field dimensions and existing site conditions and sizes before proceeding.

C. Additional Details: Shall be furnished by the Engineer as they may be required, and shall be considered of equal force with those that accompany these Specifications.

D. Omissions or Errors: If discovered in the Drawings or Specifications, shall be brought to the attention of the Engineer . No work is to proceed where there is any uncertainty as to the meaning of these documents.

GENERAL REQUIREMENTS 00 72 00
Wilson Park Community Garden

007200_GeneralRequirements
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Landscape Architecture, Inc.

1.3 QUALITY CONTROL

A. Variations to Expedite the Work: Contractor shall consult the Inspector if at any time a variation in the construction or in the quality of materials as specified is desired. Contractor will be allowed to vary from the documents only after written approval of the City is obtained.

B. Building Codes: Building Codes of this State and t he specific County and City and the latest rules and regulations of the National Board of Fire Underwriters and all other applicable codes and regulations shall be accurately complied with.

C. Layout of Work: Shall be done under the supervision of the Contra ctor by a City- approved Land Surveyor licensed in California using professional- type instruments. Contractor shall establish elevations and locate and stake all on-site improvements and grading for approval by the City prior to proceeding and shall be responsible for any damage that may be sustained by the City or others from incorrect locations of site improvements.

D. Substitutions: Substitutions in material or methods of constructio n, when necessary because of material shortages or in order to avoid seriou s delay, may be made only after they are approved by the City in writing.

E. Alterations and Extras: No alterations shall be made in the work from that shown in the Dr awings and Speci fications, and no claims will be allowed except in pursuance of a written change order countersigned by the City and the Engineer, and any alterations or changes so ordered shall in no way invalidate the contract. Should the Contractor deem any work to be an extra, the City shall be notified in writing and a written change order shall be issued before any work is executed, or no claim will be allowed.

F. Public Access: Continuous safe public access (both pedestrian and vehicular) shall be main tained along fro ntages, from sidewalk to park pathway, and through the park. Construct temporary walkways as necessary.

1. Barricade open depressio ns and holes that occur in the performance of this work. Post warning light adjacent to the depression.

2. Operate warning light du ring hours from dusk to dawn each day, and as otherwise required.

3. Protect structures, utilities, sidewalks, pavements, and other facilities from damage caused by settlement, lateral movement, undermining, washout, and other hazards created by operations under the specified work.

GENERAL REQUIREMENTS 00 72 00
Wilson Park Community Garden

007200_GeneralRequirements
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

G. Material and Workmanship: All materials and workmanship are to be the best of their respective kinds and comply with industry standards . The terms "or equal", "approved", "selected", and so forth, shall mean as approved . by the Engineer.

All materials and equipment used shall be in accordance with the manufacturer’s printed directions.

Use adequate numbers of skilled workpersons who are thoroughly trained and experienced in necessary crafts and who are comple tely familiar with the specified requirements and methods needed for proper performance of work specified. Use equipment adequate in terms of size, capacity, and numbers to accomplish work in a timely manner.

H. Defective or Improper Work: Any work or materials not acceptable to the Engineer must be removed by the Contractor and replaced by approved materials and/or work without extra compensation. In the event that such removal migh t cause injury to other portions of the work, or if the Contractor refuses or neglects to remove them, then the City may deduct from the contract price such sum as judged to be just and reasonable as damage caused by non - compliance with the plans and speci fications, as well as for the difference in value between the balance that may be due the Contractor.

I. De-Watering: Contractor shall generally keep work areas free of all surface water so as to permit construction work to progress in an orderly and workman like manner.

PART 2 - SUBMITTALS

2.1 SHOP DRAWINGS

Shop drawings shall be sub mitted to the Engineer for review only where so called for in the technical specification sections.

2.2 SUBMITTALS

A. Only where called for in the technical specifications, samples of materials to be used in fulfilling the requirements of the specifications shall be deposited with the Engine er at least 5 working days prior to their use in the work to allow sufficient time for review.

GENERAL REQUIREMENTS 00 72 00
Wilson Park Community Garden

007200_GeneralRequirements
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

B. Submit m anufacturers’ samples to the Engineer at least five (5) working days prior to execution of the work as required in the specifications and in all cases where choice of color, finish, style, or texture is involved.

2.3 TESTING

A. When testing of materials is req uired by these specifications, the Contractor shall give the City sufficient notice of readiness for the tests to be taken. The cost of all tests will be borne by the City except for retesting as specifi ed below, and the minor amounts of material required for testing which the Contractor shall furnish. The Contractor will cooperate with the City’s representative in the taking of test samples. The C ity reserves the right to test any materials or equipment furnished by the contractor.

B. Should the results of any required test fail to meet the requi rements of the Specifications, then the Contractor shall furnish new samples of new materials, as directed by the City, and additi onal tests shall be made at the Contractor’s expense until the test results are found to meet the requirements of the documents.

2.4 JOB SITE SAFETY

A. Neither the professional activit ies of the Owner’s Representative , nor the presence of the Owner’s Representa tive or their employees and subconsultants at a construction/project site, shall relieve the Contractor of their obligations, duties and responsibilities including, but not limite d to, construction means, methods, sequence, techniques or procedures necessa ry for performing, superintending and coordinating the work in accordance with the contract documents and any health or safety precautions required by any regulatory agencies. The Owner’s Representative and their personnel have no a uthority to exercise any control over any construction contractor or their employees in connection with their work or any health or safety programs or procedures. The Contractor shall be solely responsib le for job site safety, and the Owner’s Representative and the Owner’s Repres entative’s subconsultants shall be indemnified by the Contractor and shall be made additional insureds under the Contractor’s policies of general liability insurance.

GENERAL REQUIREMENTS 00 72 00
Wilson Park Community Garden

007200_GeneralRequirements
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

PART 3 - TEMPORARY FACILITIES AND CONTROLS

3.1 TEMPORARY FACILITIES

A. Utilities:

1. Existing wa ter and electricity service located on -site may be used as required for the work. Contractor shall make all such arrangements as required with the responsible utility company.

2. Existing sanitary facilities may be used on -site as requ ired. Contractor shall obtain permission from and coordinate utility use with the City.

3. Shut downs of util ities for any reason shall be subject to approval by the City. When extended shut downs are required the Contractor shall provide standby service for normal occupancy requirements.

4. Before starting work, coordinate work and obtain clearance from utility companies and/or governmental agencies that supply existing or proposed services to project.

5. Unless they are shown to be removed, protect active utility lines shown on these plans or otherwise made known to the Contractor prior to excavating. If utilities are damaged, they shall be repaired or replaced at no additional cost to the City.

6. If active utility lines are encountered and are not shown on these plans or otherwise made known to the Contractor, the City shall be immediately notified and Contractor shall then take the necessary steps promptly to assure that service will not be interrupted.

7. If service is interrupted by work p erformed under this section, immediately restore service by repairing damaged utility at no additional cost to the City.

8. If existing utilities interfere with permanent facilities being constructed under this contract, immediately notify and obtain written instructions from the City.

9. Do not proceed with permanent relocation of utilities until written instructions are received from the City.

B. Protection:

1. The Contractor shall provide adequate protection for all portions of the existing site, its improvements, and its occupants throughout the work.

All damage done to existing property shall be neatly repaired or replaced at the Contractor ’s expense. Work shall be executed in careful, orderly manner with the least possible disturbanc e to public and occupants of the area.

2. Contractor shall protect and save any and all utilities. Any time existing utilities are exposed, the City shall be notified. Repairs on existing utilities GENERAL REQUIREMENTS 00 72 00
Wilson Park Community Garden

007200_GeneralRequirements
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.
shall not be performed without prior approval and inspection by the City Inspector.

C. Field Office and Enclosures:

1. Fences, enclosures, storage sheds, etc., required by the Contractor for the storing of tools and materials shall be located where approved in advance by the City. Such fences, enclosures, stora ge sheds, etc., are at the Contractor’s option.

D. A 6-foot high temporary chain link construction fence shall be installed as shown on plans and shall be maintained for the duration of the project. The temporary construction fencing shall be in good condition, staked into ground wherever possible, and installed with a top tension wire. The fence posts shall be two inch (2”) diameter galvanized steel. The fence fabric shall be 11 -gauge, with knuckled barbs on the top edges.

3.2 CLEAN-UP

A. During the construction period, the premises shall be kept free from the accumulation of waste materials or rubbish on a daily basis. The final cleaning shall leave the facilities ready for occupancy with no additional clean up. Clea n up dirt, grease, asphalt, etc., from all surfaces. Use no cleaning materials that will damage finishes.

PART 4 - MATERIALS AND EQUIPMENT

4.1 GENERAL

A. Deliver all materials and equipmen t to the project site in the manufacturer’s original sealed, labeled containers, if any, and protect all pack aged and unpackaged items against moisture, dust, tampering or damage from improper handling or storage. Storage location shall be as approved in advance by the City.

B. Place materials and equipment on order in time to avoid job delay or hindrance.

Schedule deliveries to coincide, as nearly as possible, with construction schedule.

C. Except as specifically noted otherwise, the installation and/or mainte nance directions provided by the manufacturer shall be followed for al l materials and equipment.

GENERAL REQUIREMENTS 00 72 00
Wilson Park Community Garden

007200_GeneralRequirements
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

D. All materials shown on the drawings or specified herein shall be new unused materials unless specified otherwise.

E. All materials not conforming to the require ments of these specifications shall be considered as defective and all such materials, whether in place or no t, shall be rejected and shall be removed immediately from the job site.

F. Prior to ordering materials or starting work, the Contractor shall verify all measurements at the site and shall be held responsible for their accuracy. No extra compensation will be allowed for differences between actual dimensions and the measurements shown on the drawings.

4.2 SUBSTITUTIONS

A. In addition to the statements set fo rth in Paragraph 1.3D of this Section regarding the specification and naming of products, brand names, manufacturers, etc., as referenced within these Specifications, the following will apply:

1. Specific names are indicated to establish quality and functiona l standards required to do the work, and to meet the quality and functional standard of the contract.

2. Substitute items shall be equal or superior to the items specified at no additional cost to the City.

3. It shall be the responsibility of the Contractor to prove the equality of item(s) proposed for substitution. Therefore, the Contractor shall submit for the City’s approval all pertinent product data and samples as the City deems ap propriate, to establish said product equality before commencing with that por tion of the work. Failure of the Contractor to receive the City’s approval in writing shall cause the City to reject said product and its related assembly and/or installation, and require the complete replacement with that item specified, all at the Contractor’s cost. Submittals for proposed substitutions will be reviewed once at the cost of the City. Subsequent reviews of submittals will be at the cost of the Contractor on an hourly basis.

4.3 MEASUREMENT & PAYMENT

A. Where the estimated quantities for a speci fic portion of the work are designated on the plans as final pay quantities, said estimated quantities shall be the final quantities for which payment for such specific portion of the work will be made, unless the dimensions of said portions of the work shown on the plans are revised by the Inspector or Engineer. If such di mensions are revised, and such GENERAL REQUIREMENTS 00 72 00
Wilson Park Community Garden

007200_GeneralRequirements
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.
revisions result in an increase or decrease in the quantities of such work, the final quantities for payment will be revised in the amount represented by th e changes in the dimensions. The estimated quantities for such specific portion of the work shall be considered as approximate only and no guarantee is made that the quantities that can be determined by computations, based on the details and dimensions shown on the plans, will equal the estimated quantities. No allowance will be made in the event that the quantities based on computations do not equal the estimated quantities.

In case of a discrepancy between the quantities shown on the plans as final pay quantities and the quantity of the same items shown on the bid form, payment will be based on the final pay quantities shown on the plans.

PART 5 - RECORD DRAWINGS

5.1 One complete set of prints shall be furnished to the Contractor by the City on that the Contractor will fully illustrate all revisions, with complet e dimensions, made by all crafts in the cour se of work. This shall include all field changes, adjustments, variance s, substitutions, and deletions, whether covered by Change Orders or not. Underground installations must be located precisely as constructed on the Record Drawings.

The Record Drawings shall be updated on a daily basis, as needed, and submitted complete to the City with each pay request. Pay requests will not be processed without the aforementioned Record Drawings.

Upon completion of the work, it shall be the responsibility of the Contractor to transfer all revisions to a complete set of drawings to be provided to the City . The Con tractor shall submit the Record Drawings to the City with request for final payment. Final payment will not be processed without the aforementioned Record Drawings.

PART 6 - GUARANTEES

6.1 The Contractor shall provide a written guarantee for all the wor k as required in the Technical Specification section.

6.2 Assemble and bind three (3) sets of all certificates, warranties, guarantees, and maintenance manuals into clearly organized files and present the files to the City at the completion of the wo rk. Final Payments shall not be made u ntil all documents are received and approved.

END OF SECTION 00 72 00
DEMOLITION 02 41 13
Wilson Park Community Garden

024113_Demolition
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

SECTION 02 41 13 DEMOLITION

PART 1 - GENERAL

1.1 SCOPE

A. This section shall consist of all clearing, grubbing , salvaging and removing of site furnishings, sawcutting, and demolishing of header board, planting, irrigation, concrete pavement, asphalt pavement and other miscellaneous items and erosion control measures as shown on the plans or specified herein.

B. Related work specified elsewhere:

1. Earthwork and Grading - Section 31 22 00

2. Landscape Soil Preparation – Section 31 92 13

1.2 REVIEW

A. Contractor shall review with City's Representative the exact limits of work an d extent of materials to be removed.

1. Examine site and structures and determine exact nature and status of structural elements and utilities prior to commencing demolition.

2. City assumes no respons ibility for actual condition of items or structures to be demolished.

3. Prior to commencing the work, perform a site survey to identify existing areas of damage to adjacent building areas and other buildings.

1.3 STANDARDS

A. All work shall conform to ANSI A10.6, Safety Requirements for Demolit ion Operations and to the codes and regulations of the City.

1.4 SCHEDULE

A. Submit schedule indicating proposed methods and sequence of operations for selective demolition work for review prio r to commencement of work. Include coordination for shut -off, capping, and continuation of utili ty services as required.

1. Provide detailed sequence of demolition and removal work to ensure uninterrupted progress of adjacent building uses.

2. Coordinate continued occupancy with adjacent building tenants.

DEMOLITION 02 41 13
Wilson Park Community Garden

024113_Demolition
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

PART 2 – PRODUCTS – NOT USED

PART 3 - EXECUTION

2.1 DEMOLITION OF STRUCTURES

A. Provide a minimum of three (3) business days notice of demolition activities.

B. Protection: Provide temporary barricades and other fo rms of protection as required to protect general public from injury due to selective demolition work.

Provide protective measures as required to provide free and safe passage of general public to and from occupied portions of building. Erect temporary covered passageways as required by authorities having jurisdiction.

C. Environmental Controls: Use water sprinkling, temporary enclosures, and other suitable methods to limit dust and dirt rising and scattering in air to lowest practical level. Comply with go verning regulations pertaining to environmental protection.

D. Utilities: Dis connect all utilities to structures to be demolished in the manner prescribed by the utility company.

E. Selective Demolition: Perform selective demolition work in a systematic manner.

Use methods required to complete work indicated on the drawings i n accordance with demolition schedule and governing regulations. Conduct selective demolition operations and debris removal in a manner to ensure minimum interference with roads, streets, walks, and other adjacent occupied or used facilities.

F. Traffic: Do not cl ose, block or otherwise obstruct streets, walks, or other occupied or used facilities without written perm ission from authorities having jurisdiction. Provide alternate routes arou nd closed or obstructed traffic ways if required by governing regulations.

G. Extent: Demolish foundation walls and footings to a depth of not less than 12 inches below finish grade. Demolish and remove below -grade wood or metal construction. Break up belo w grade concrete slabs. Completely fill below -grade areas and voids resulting from demolition work. Provide fill consisting of approved earth, gravel or sand, free of trash and debris, stones over 6 inch diameter, roots or other organic matter.

H. Clean-up: Remove debris, rubbish and other materials resulting from demolition DEMOLITION 02 41 13
Wilson Park Community Garden

024113_Demolition
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.
operations from building site at the end of each work day. Site will be left in an orderly, safe manner at the end of each work day . Transport and legally dispose of materials off site.

I. Damages: Promptly repair damages caused to adjacent facilities by demolition work at no cost to the City.

J. Contractor Salvage: Items indicated to be removed but of salvageabl e value to the Contractor may be removed from structure as work progresses. Transport Contractor salvaged items from site as they are removed. St orage or sale of removed items on site will not be permitted.

2.2 CLEARING AND GRUBBING

A. Roots and other minor organic material shall be removed from top soil, which shall be stripped and stockpiled for re -use in raised planters. See Section 31 92 13, Landscape Soil Preparation and plans. Soil beneath pavement shall not contain organic material. See Section 31 22 00, Earthwork and Grading.

B. Contractor shall strip the site of all remaining mate rials not to remain as part of the finished work. All such materials shall be legally disposed of off -site at Contractor's expense except as otherwise noted on drawings. Items to be disposed of off-site include but are not limited to the following:

1. Trees, weeds, roots and other organic material, wood and trash.

C. Strip and remove weeds and trash from unpaved areas to be improved. Leave intact ornamental shrubs and trees as identified by City's Rep resentative. The contractor shall pro tect surrounding areas from damage by equipment or construction operations.

D. All edges of existing paving to remain shall be sawcut in a neat clean manner.

E. All excavation within the drip line of trees to remain shall be accomplished in a careful manner. No roots greater than one -inch diameter shall be cut. Where excavation reveals roots greate r than one -inch diameter that will int erfere with construction, Contractor shall notify City’s Representative for direction prior to proceeding.

F. Where any marked or unmarked utility lines or other underground obstruction or piping may be encountered withi n the work area, notify the City's Representative or the agencies or service utility companies having jurisdiction DEMOLITION 02 41 13
Wilson Park Community Garden

024113_Demolition
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.
thereof, and take necessary measures to prevent interruption of service (if live).

Should such lines or service be damaged, broken, or interr upted, those services shall be repaired immediately and restored by him at his own expense.

G. Abandoned lines, meters and boxes, obstructions or piping shall be removed, plugged or capped in accordance with the requirements and approval of the agencies aff ected. It shall be the responsibility of the Contractor to ascertain whether any public facilities exist along the line of work, whether or not shown on the plans; and Contractor shall, at the Contractor’s expense, do any necessary work to save from damage all such property in or adjacent to t he work, and shall repair all damage thereto caused by the Contractor’s operations.

H. Service connections to adjacent properties requiring removal or adju stment, due to new construction, will be so removed or adjusted during the course of construction opera tions. The Contractor shall cooperate with the utility companies and/or agencies in such work.

I. Prior to commencement of site grading work the Contractor shall notify the City’s Representative that the site has been cl eared. Site grading shall not commence until the City’s Representative has completed review of the site and has given approval to proceed.

2.3 TREE PROTECTION

A. Temporary Fencing: Install temporary fencing around tree drip line to protect remaining trees and vegetation from construction damage p rior to any site preparation, demolition, or grading work. Maintain temporary fence and remove when construction is complete.

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.

C. Do not store construction materials, debris, or excavated material inside tree drip line . Do not pe rmit vehicles or foot traffic within t ree protection zones; prevent soil compaction over root systems.

END OF SECTION 02 41 13
CARPENTRY 06 40 00
Wilson Park Community Garden

064000_Carpentry.doc
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

SECTION 06 40 00 CARPENTRY

PART 1 - GENERAL

1.1 SCOPE

A. Furnish and install all carpentry work as shown and specified, including but not limited to, the following:

1. Perimeter fence

2. Perimeter gate

3. Raised planter box

4. Header board

5. Hose bibb riser

B. Related work specified elsewhere:

1. Site Concrete - Section 32 13 13

1.2 STANDARDS

A. All lumber and wood shall conform to the following standards:

1. Except as noted, other limiting provisions shall be in accordance with "Standard Grading Rules for West Coast Lumber".

2. Structural lumber shall be of the kinds and grades as required t o meet California Building code requirements.

3. Redwood lumber shall conform to the Standard Specifications for Grades of California Redwood of the Redwood Inspection Service.

B. All lumber shall be clearly stamped with the grade required. Grade markings for exposed wood shall be placed on a concealed surface.

C. Connections fo r wood members shall be desi gned to conform to the requirements of the 2016 California Building Code, Chapter 23A.

D. References:

1. ANSI/AF & PA National Design Specification for Wood Construction

1.3 DELIVERY, HANDLING & STORAGE

A. Storage: Lumber delivered to the site shall be carefully piled off the ground in such a manner as to insure proper drainage, ventilation, an d protection from the weather.

CARPENTRY 06 40 00
Wilson Park Community Garden

064000_Carpentry.doc
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

1.4 QUALITY CONTROL

A. Reviews: Contractor shall specifically request at least two (2) working days in advance the following reviews prior to progressing with the work:

1. Layout of perimeter fence and planter boxes on site.

B. Certification: Written certificates stating quality, type, gra de, and origin of all materials shall be delivered to the Owner’s Representative before the material is used on the site. Specific certification of the moisture content for all lumber after preservative treatment will be required to be delivered t o the Owner’s Representative before the material is used on site.

C. Submittals:

1. Contractor shall provide shop drawings for all rough carpentry . Rough carpentry wo rk, their related components and miscellaneous items are not neces sarily individually described. The m ost important features are noted to show design intent. Contractor shall furnish rough carpentry work and provide shop drawings showing all fasteners, hinges, members, and accessories required to complete the work.

2. Contractor shall provide submittals for the following:
i. Corrugated metal panel
ii. Wire mesh
iii. Hardware cloth

PART 2 - PRODUCTS

2.1 MATERIALS

A. Lumber: All lumber shall be new with no re-use except where noted. Maximum moisture content of 19%. Lumber shall be redwood, unless otherwise noted.

Finish for lumber shall be unpainted, natural finish.

B. Redwood: Redwood lumber shall have the following grades:

1. Construction Heart (No. 1, 1.3E): All posts and lumber 4x4 or larger

2. Merchantable: Wooden headers, fence board s, pickets, rails, nailers, caps, splices, and stakes.

3. Sizing and Surfacing: Sizes indic ated are nomi nal; provide actual sizes in accordance with PS 20 -94. Provide dressed lumber, S 4S, except as otherwise indicated.

CARPENTRY 06 40 00
Wilson Park Community Garden

064000_Carpentry.doc
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

C. Drain Rock: Per plans.

D. Wire Mesh and Hardware Cloth: As available from McNichols, 174 Lawrence Drive Suite G, Livermore, CA, phone 877-958-9343, or approved equal. Orient rectangular mesh with short edge of opening parallel to the ground. Staple to wood members per plans.

1. Wire Mesh, Aboveground: 1”x2” rectangular opening, hot dipped galvanized wire after welded, 21-gauge wire diameter minimum.

2. Wire Mesh, Underground, Hardware Cloth in Box, and Hardware Cloth Beneath Site: ½” x ½” square opening, hot dipped galvanized wire after welded, 16 gauge wire diameter minimum.

E. Corrugated Metal Panel: Shall be 26 gauge, 2-1/2“ rib spacing, ½“ rib height, 24” panel width, corners shall be rounded and all sharp edges shall be sanded smooth, as available from Gibraltar Building Products, or approved equal.

F. Finish Hardware: Furnish items of finish hardware, gate frame, handles, cane bolts, caster wheels, automatic door closers, post bases, etc. required to complete the work and as shown on the plans. Hardware shall be exterior, heavy-duty grade, galvanized, powder coat gray color RAL 7001, as available from Tiger Drylac Powder Coatings. Metal angles shall be A36 steel. Door closers shall meet the maximum door opening force required by code.

1. Door closer: Shall be Garden Gate Closer TB175 as available from Lockey USA, or approved equal.

2. Door lock: Shall be Trilogy T2 DL2700 Electronic Keyless Access Lock, as available from Alarm Lock Systems, LLC, or approved equal.

G. Rough Hardware:
i. Furnish items of rough hardware, connections, bolts, etc., required to complete the work. All screws and miscellaneous fittings shall be hot dipped, galvanized steel in accordance with ASTM A 153-00, unless noted otherwise (stainless steel and aluminum alloy acceptable). Finishing nails shall be used on all visible nailings unless noted otherwise. Bolts shall be hot dipped galvanized.
ii. Nails: Common wire hot-dipped galvanized. Use ring or spiral shank nails for floor sheathing. Special nailing requirements shall be as indicated. iii. Bolts: Standard mild steel, square or hexagonal head machine bolts with matching nuts and cut washers, or carriage bolts with square or hexagonal nuts and cut washers as indicated. Where exposed to view, use only hexagonal head fasteners and matching nuts, and limit CARPENTRY 06 40 00
Wilson Park Community Garden

064000_Carpentry.doc
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.
projection of bolt beyond face of nut to 1/2 inch.

H. Powder Driven Fasteners: Provide fastener systems complete with all necessary washers, nuts and other appurtenances. Provide one of the following acceptable products or equal product approved in accordance with Section 01600:

1. Hilti, Inc.

2. Powder Power Tool Corp.; "Drive-It"

3. Ramset Fastening Systems; "Ramset"

I. Header board: Shall be per plans.

PART 3 - EXECUTION

3.1 INSTALLATION
A. Contractor sh all be re sponsible for all necessary field measurements at the construction site after locations, orientations, and elevations have been established by City. All carpentry work shall be accurately fitte d, vertical work shall be accurately fitted, vertical members installed plumb and evenly spaced, and end cuts made clean and square.

B. Bolting: Drill bolt holes 1/32" oversize unless otherwise noted. Tighten all nuts when placed, retighten immediately befor e closing with finish material or completion of the structure. Do no final bolting until structure has been properly aligned. Set threads after final tightening.

C. Washers: Mild steel washers shall be placed under the heads and nuts of all bolts.

D. End Grain Sealant: Seal wood end grain for all rough carpentry with non -toxic waterproofing wax emulsion sealant.

END OF SECTION 06 40 00

PAINTING 09 91 00
Wilson Park Community Garden

099100_Painting1.doc
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

SECTION 09 91 00 PAINTING

PART 1 - GENERAL

1.1 SCOPE

A. Furnish and apply all paint and other finishes as shown and specified.

B. Related work specified elsewhere:

1. Asphalt Paving - Section 32 12 16

2. Site Furnishings - Section 32 33 00

3. Carpentry - Section 06 40 00

1.2 STANDARDS

A. All work shall conform to the applicable requirements for Type II "Premi um" Specifications as prepared by the Painting and Decorating Contractors of America, except as modified herein.

B. The paint manufacturer’s standard specifications will be considered as the minimum standard for the work.

1.3 SUBMITTALS

A. Submit a complete list of all materials proposed for use. The list shall show the specific label name of each product for each coat of finish. After review by the Owner’s Representative and City no deviation from the list will be permitted without further approval.

B. Provide sample finishes on the actual surfaces to be painted to verify appearance.

Approved samples will become the standard for the work.

1.4 DELIVERY, STORAGE & HANDLING

A. Special care shall be taken in the handling of paint materials to prevent spillage and fire. Remov e rags, waste, and empty containers from the site at the end of each work day.

PAINTING 09 91 00
Wilson Park Community Garden

099100_Painting1.doc
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

PART 2 - PRODUCTS

2.1 MATERIALS

A. General: All materials shall be "first line" or best quality as manufactured by Kelly - Moore, Pratt & Lambert, Sherwin -Williams, Sinclair, Dunn -Edwards, Fuller- O’Brien, Olympic, Conrad Sovig, or approved equal. Mention of these manufacturers does not necessarily constitute approval of all of their products.

Where a product is specified by name, it is intended to establish the quality required for that use.

B. Painting and Finishing Schedule

1. Storage Shed: Shall receive one coat of primer and a minimum of two coats of exterior grade , oil based high performance protective enamel paint, in Diamond Dust KM5297 for Siding Paint , and Aegean Mist KM4977 for Trim P aint, available from Kelly -Moore Paints or approved equal. Additional coats as required to produce opaque quality.

PART 3 - EXECUTION

3.1 PREPARATION

A. Take special care to prevent spilling paint materials on surfaces not intended to receive them.

B. Verify that the work to be painted is in suitable condition to receive each coat of paint. Should the Contractor find surfaces and conditions unacceptable, he shall at once report such conditions to the City and cease operations on the portio n of the work affected. Application of paint shall occur only upon acceptance of surface and working conditions, and the Contractor shall be held responsible for the results. Clean all surfaces before painting.

C. All work shall be scraped, sandpapered, sand blasted, rubbed, or otherwise brought to a smooth surface before finish is applied. Fill all minor cracks and depressions, backfill and trim between edges of trim, and finish to a clean- cut edge.

D. All metal, excepting prefinished items and unless primed un der other sections, shall be degreased with approved metal cleaner which will not affect the galvanized coat where it occurs.

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E. Pavement surfaces to receive paint shall be in condition to insure complete bonding of the applied material, and shall be subject to inspection and approval before such work commences.

3.2 APPLICATION

A. Apply all finishes in strict accordance with manufacturer’s recommendations.

There shall be no perceptible difference in the shades of each successive coat of paint. No coat of paint shall be applied before a previous coat is thoroughly dry.

B. Paint shall be applied on dry surfaces only, and worked thoroughly into all joints, crevices, and open spaces.

C. Painting shall be done at such times as approved, but no painting shall be done during wet weather, or when any surface is damp or moist.

D. Painting shall be done in a neat, workmanlike manner by skilled mechanics, and shall be uniform in appearance, smooth, free from runs, sags, defective brushing and clogging of the lines and angles.

E. Edges of paint adjoining other materials or other colors shall be sharp and clean without overlapping. After application, paint shall not run or sag and shall dry to the touch within 18 hours.

F. Wherever complete and satisfactory coverage is not obtained, the C ontractor shall apply additional coats at no expense to the City.

G. Painter shall repair any scratches, chips, etc. that occur during construction.

H. All hardware shall be pre-painted on both sides prior to use.

3.3 CLEANING

A. Take special care to keep surrounding surfaces clean as the work progresses, and upon completion carefully remove all paint from surfaces not intended to receive it. Use no materials or methods that will damage surfaces.

END OF SECTION 09 91 00
EARTHWORK AND GRADING 31 22 00
Wilson Park Community Garden

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SECTION 31 22 00 EARTHWORK AND GRADING

PART 1 - GENERAL

1.1 SCOPE

A. Perform all rough grading work as shown and specified including, but not necessarily limited to, stripping and stockpiling of native topsoil, site excavation and backfill for placement of hardware cloth beneath site, site grading for mulch surfacing, decomposed granite paving, garden raised planters, concrete pads and asphaltic concrete, and landscaped areas, including subgrade compaction.

B. Related work specified elsewhere:

1. Demolition - Section 02 41 13

2. Carpentry – Section 06 40 00

3. Trenching and Backfilling - Section 31 23 00

4. Decomposed Granite Paving - Section 32 15 40

5. Asphalt Pavement - Section 32 12 16

6. Landscape Soil Preparation – 31 92 13

7. Site Concrete - Section 32 13 13

1.2 STANDARDS

A. Unless otherwise shown or specified, all materials and methods shall conform to the most current Section 19 Earthwork of the State of California, Department of Transportation, Standard Specifications (DTSS) as they reason ably apply to this work, except for measurement and payment requirements.

1.3 QUALITY CONTROL

A. All excavation , placement and compaction of fill and preparation of subgrade shall be reviewed by the City. Contractor shall schedule work and notify City and Geotechnical Engineer three working days in advance of each portion of grading operations for their review, testing and approval. The Contractor shall cooperate with the City in performi ng these tests. All tests indicating conformance to project requirements shall be paid for by the City. Costs of retesting and re - inspection required as the result of inadequate, insufficient, or incomplete work by the Contractor shall be deducted from the contract amount.

B. Compaction Test Method: Where referred to in these specifications, "compaction" or "relative compaction" shall mean the in-place dry density of soil EARTHWORK AND GRADING 31 22 00
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expressed as a percentage of the maximum dry density of the same material as determined by ASTM D-1557-02e1.

C. The Contractor shall provide compaction testing as required to confirm compliance with these specifications and drawings. All costs of such testing will be borne by the City, except as s pecified in Paragraph 2.3 in Sec tion 00 72 00 General Requirements.

D. Contractor shall schedule a City inspection three (3) working days in advance following the completion of site excavation and prior to the commencement of backfill and finish grading.

1.4 LAYOUT AND GRADING CONTROL

A. Grade the site to the tolerances shown. Vertical control is established by the benchmark indicated on the drawings.

B. The Co ntractor shall engage the services of a City -approved Land Surveyor licensed in California to lay out the work. This surveyor shall certify that the completed work is done in a manner that the City can check for conformance as the work progresses.

C. Tolerances: Site grading shall be to the elevations shown on the Drawings, plus or minus 0.1 foot vertically.

D. Dewatering: No soil shall be compacted during periods of rain or when the ground is not drained of all f ree water. Soil that has been stockpiled and wet ted by rain or by any other cause shall not be compacted u ntil completely drained and until the moisture content is within the limits approved by the City.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Existing material may be used for fill after removal of all debris, and after being moisture-conditioned, if it meets the criteria in paragraph B below.

B. Soil used for compacted fill shall be free of perishable organic material, and shall meet the following requirements:

1. Physical: 100% passing 4 inc h size, 10 to 75% passing the No. 200 sieve .

Plasticity In dex of 12 maximum when tested in accordance with ASTM D 4318-75.

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2. Chemical: Salinity Limit (ECe) saturation extract of 4.0 sodium (SAR) limit of less than 8.0.

3. Boron: Saturation extract concentration less than 1.0 ppm.

C. Minor quantities of material not meeting the above gradation may be mixed and blended with other on-site material if the resulting mixture conforms to the specifications. If the quantity of material not in conformance with the specifications becomes excessive in the opinion of the Geotechnical Engineer, it shall be removed from the site.

D. Hardware Cloth Beneath Site: See Section 06 40 00, Carpentry, paragraph 2.1.D2.

E. Topsoil: See Landscape Soil Preparation Section 31 92 13 for topsoil requirements.

PART 3 - EXECUTION

3.1 STRIPPING AND STOCKPILING OF NATIVE TOPSOIL

A. All vegetation including the top one to two inches of roots shall be removed from areas to be graded. The remaining six to twelve inches of topsoil shall be stripped and stockp iled in sufficient quantities as required to provide a 6 i nch layer of topsoil in all in -ground planting areas and topsoil in al l raised planters , including the ADA planter.

B. Subsoils (beneath the layer of existing topsoil) shall be excavat ed separately and disposed offsite.

3.2 HARDWARE CLOTH BENEATH SITE PLACEMENT
A. Excavate soil from existing grade to install hardware cloth beneath site per plans.

Overlap hardware cloth 6” min. and secure with S-hook wire clip, stainless steel, every 1 ’-0” per plans. Adjus t depth of hardware cloth placement to accommodate irrigation mainline and fence footings per plan. Hardware cloth shall be placed beneath irrigation trenches within the fence boundary, per plans.

3.3 ROUGH GRADING

A. Prior to commencement of site grading work the Contractor shall notify the City’s Representative that the site has be en cleared. The City’s Representative shall have suff icient time to review the site. Site grading shall not commence EARTHWORK AND GRADING 31 22 00
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until the City’s Representative has completed review of the site and the City has given approval to proceed.

B. Perform all cut and fill re quired to bring the si te to the grades indicated, with proper allowances for finish materials such as paving and base. Prior to placing new fill the exposed ground surface should be scarified to a depth of six inches (or greater as indicated on plans), bro ught to near optimum m oisture content and compacted. Areas to be planted shall be compacted to 85 percent and areas to be paved shall be compacted to at least 9 5 percent relative compaction as determined from ASTM Test Method D 1557-78.

C. Placement and Compaction: Approved fill material shall be placed in laye rs of six to eight inches in loose thickness and moisture -conditioned as necessary to achieve moisture content suitable for re -compacting. Fill material shall be compacted with equipment of such weight and design as necessa ry to obtain the specified compaction. Fill shall be compacted to 85 percent relative compaction in areas to be planted and at least 9 5 percent relative compaction in areas to be paved unless otherwise directed. In pavement areas, t he upper 9 inches of subgrade shall have a minimum relative compaction of 95 percent. The resulting subgrade should be smooth and essentially unyielding. In planting areas, the upper 8 inches shall have a minimum relative compaction of 85 percent.

Between successive lifts, the fill surface shall be scarified or otherwise processed to obtain satisfactory bonding between the fill lifts.

D. Re-compaction: Where, in the judgment of the City’s Representative , the moisture content is not suitable or insufficient co mpaction has been obtain ed, the fill shall be reconditioned and/or re -compacted to the specified density prior to placing any additional fill material. The Contractor shall be responsible for placing and compacting approved fill material in accordance with these specifications. I f the Contractor fails to meet th e compaction requirements, he shall reduce his rate of haul, furnish additional spreading, moisture conditioning and/or compacting equipment or make any other adjustments necessary to produce a satisfactorily compacted fill.

E. All excess material and all material that is unsuitable for paving subbase or finish grading shall be disposed of off site at Contractor’s expense and includes all testing and fees required by the disposal site.

F. Where any mark ed or unmarked utility li nes or other underground obstruc tion or piping may be encountered within the work area, notify the City or the Agencies or service utility companies having jurisdiction thereof, and take EARTHWORK AND GRADING 31 22 00
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necessary measures to prevent interruption o f service (if live). Sho uld such lines or service be damaged, broken, or interrupted through the Contractor’s own negligence, those services shall be repaired immediately and restored by him at his own expense. Abandoned lines, meters and boxes, obstructio ns or piping, shall be re moved, plugged or capped in acco rdance with the requirements and approval of the agencies affected.

G. Rock Removal: All rocks eight cubic inches or larger shall be removed completely from the top 6 inch of subgrade prior to placement of topsoil in all plan ting areas. (See "Landscape Soil Preparation" for additional requirements.) All rocks not meeting criteria for fill material shall be legally disposed of off -site as the Contractor's own property.

3.4 EROSION CONTROL AND CLEAN-UP

A. Spillage: The Contractor shall prevent spillage when hauling on or adjacent to any public street or highway. In the event that such occu rs, the Contractor shall remove all spillage and sweep, wash or otherwise clean such street or highways.

B. Dust Control: The Contractor shall take all precautions needed to prevent a dust nuisance to adjacent public and private properties and to prevent ero sion and transportation of soil to adjacent properties due to work under this contract. Any damage so caused by the Contractor’s work under this contract shall be corrected or repaired by the Contractor at no cost to the City. In the event the Contractor f ails to take such precau tions or make such corrections or repairs promptly, the City may take such steps as he may deem necessary and deduct the cost of the same from the monies due to the Contractor.

C. Clean-up: The job site shall be kept neat and clear at all times, with all pub lic walks swept clean at the end of each day, and all materials neatly stored. Upon completion of the work under this Section, remove immediately all surplus materials, rubbish and equipment associated with or used in the performanc e of this work. Failure to perform such cleanup operations within 48 hours of notice by the City shall be considered adequate grounds for having the work done by others at this subcontractor’s expense.

END OF SECTION 31 22 00

TRENCHING AND BACKFILLING 31 23 00
Wilson Park Community Garden

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SECTION 31 23 00 TRENCHING AND BACKFILLING

PART 1 - GENERAL

1.1 SCOPE

A. Perform all structural excavation, trenching, and backfilling work as shown and specified including, but not necessarily limited to, footings and irrigation lines.

B. Related work specified elsewhere:

1. Earthwork and Grading - Section 31 22 00

2. Irrigation - Section 32 84 00

1.2 STANDARDS

A. Unless otherwise shown or specified, all materials and methods shall conform to Section 19 Earthwork of the State of California, Department of Transportation Standard Specifications (DTSS) as they reasonably apply to this work, except for measurement and payment requirements.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Backfill material shall consist of the same material as specified for general fill under Section 31 22 00 - Earthwork and Grading.

B. General Backfill: Backfill material shall be approved by the City’s Representative prior to its use. Excavated material and excess material from site grading may be re-used for backfilling and grading, provided such fill shall be homogeneous, free from rocks, rubbish, organic material, etc., and shall consist of fragments capable of being thoroughly crushed and consolidated into a dense, uniform compact fill, and shall meet the following requirements:

Sieve Size Percentage Passing
1 inch 100
3/4 inch 95-100
No. 200 10-75
Plasticity index 12 maximum

TRENCHING AND BACKFILLING 31 23 00
Wilson Park Community Garden

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PART 3 - EXECUTION

3.1 EXCAVATING AND BACKFILLING FOR TRENCHES

A. Perform all necessary excavation, shoring, pumping and dewat ering and backfilling required for the proper laying of all underground pipes and conduits.

B. All piping in ground shall have a minimum cover of 1' -6", except as otherwise shown, and shall be laid in ditches dug true to grade and line, avoiding sharp breaks. Piping shall bear equally over its entire length at b ottom of ditch. Rock or unstable material encountered at grade shall be replaced with sand fill to a depth of 6 inches below pipe.

C. Backfill (non-drainage trenches): Fill trenches with excavated material in 6 inch to 8 inch uncompacted thick layer s, compacted to 90% relative density. Backfill shall be moisture -conditioned to near -optimum in accordance with ASTM D 1557-02e1.

D. Backfilling shall be commenced as soon as practical after subsurface work is installed and reviewed by the Engineer and approved by the City.

E. No wood or debris shall be buried in any fill. The fill material shall be non - expansive, meeting the criteria of paragraph 2.1B of Section 31 22 00 – Earthwork and Grading.

F. Provide shor ing, excavation pumping a nd other requirements as necessary at excavations for points of connection.

3.2 STRUCTURAL EXCAVATION AND BACKFILL

A. Structural Excavation: Make all excavation to the grades and elevations shown on the dra wings, or to the subgrades req uired to obtain the finis hed grades shown thereon. Accurately cut footing trenches. Where footings are to be cut "neat", the trench or excavation width shall be increased by 2 inches from the dimensions shown on the drawings, so as to permit pouring footings against earth banks. I f soil type or weather does not permit such excavations, excavate wide enough to permit full forming of footings. If any excavation is made below proper grade, the City shall be immediately notified, a nd the grade shall be restored in whatever manner the C ity directs, at no expense to the City. All excavation shall be kept free of standing water until concrete work, paving or TRENCHING AND BACKFILLING 31 23 00
Wilson Park Community Garden

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backfilling is complete. Shore and brace excavations when required to prevent cave-ins.

B. Foundations from pr evious structures, underg round utilities or other buried structures shall be removed in their entirety and replaced with compacted engineered fill.

C. When zones of soft or saturated soils are encountered at the over -excavated levels during excavation and co mpaction, deeper excavation shall be required to expose firm soil. This shall be determined in the field by the City’s Representative.

3.3 SURPLUS MATERIAL

A. Any excavated material which proves to be unsuitable or which is not required for backfilling shall be removed from the immediate work area and disposed of off-site.

3.4 CLEANUP

A. Upon completion of the work under this Section, remove immediately all surplus materials, rubbish and equipment associated with or used in the performan ce of this work. Failure to pe rform such cleanup operat ions within 48 hours shall be considered adequate grounds for having the work done by others at the Contractor’s expense.

END OF SECTION 31 23 00

LANDSCAPE SOIL PREPARATION 31 92 13
Wilson Park Community Garden

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SECTION 31 92 13 LANDSCAPE SOIL PREPARATION

PART 1 - GENERAL

1.1 SCOPE
A. Furnish and install all landscape soil preparation as shown and specified, including, but not necessarily limited to, the following: topsoil placement and planter box backfill, organic amendment and fertilizer placement, and finish grading.

B. Related work specified elsewhere:

1. Earthwork and Grading - Section 31 22 00

2. Planting - Section 32 93 00

1.2 QUALITY CONTROL

A. Reviews: Contractor shall sp ecifically request at least two working days in advance the following reviews prior to progressing with the work:

1. Completion of rough grading

2. Verification of amendment incorporation depths

3. Finish grade

B. Certification: Written certificates stating quantity, type, and composition, weight and origin for all amendments and chemicals shall be delivered to the City’s Representative before the material is used on the site.

C. Soil Samples: Contractor shall provide a one-quart sample of the native topsoil to Waypoint Analytical, Inc. of San Jose, (408) 727 -0330, for their testing for conformance to this specification. No material shall be delivered to the site, graded on -site, or otherwise modified until the City’s Representative approves the material. All testing costs shall be paid for by the Contractor . Contractor shall allow for sufficient time for such testing prior to construction. Testing costs for the initial samples and costs for any add itional samples due to non - compliance shall be paid for by the Contractor.

D. Amendment Samples: Contractor shall provide a one -quart sample of each proposed amendment to Waypoint Analytical, Inc. of San Jose, (408) 727 -0330, for their testing for conformanc e to this specification. No material shall be delivered to the site until the City’s Representative approves the samples.

Testing costs shall be paid for by the Contractor.

LANDSCAPE SOIL PREPARATION 31 92 13
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E. Planting Areas: All areas to be planted, whether in container stock, by future gardeners, or otherwise, are defined as planting areas in these documents.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Native Topsoil: Shall be th e existing surface layer of soil on site. This layer typically will be a d ifferent color and texture than the subsoil, and may be of varying thicknesses. The Contractor shall be responsible for reviewing the area limits and depths of native topsoil on site with the City’s Representative.

B. Fertilizer: Shall be determined from soils analysis results. For purposes of bidding only, assume the use of 6-20-20 commercial fertilizer, 20-10-5 planting tablets by Agriform International Chemicals, Inc., and iron sulfate.

C. Organic Amendment: Shall be BFI super-humus compost, or approved equal.

1. BFI Super Humus Compost shall conform to:

a) Gradation: A minimum of 90% of the material by weight shal l pass a 1/2” screen. Material pass ing the 1/2” screen shall meet the following criteria.

b) Organic Content: A minimum of 50% based on dry we ight and determined by ash method. A minimum of 250 lbs . organic matter per cubic yard of compost.
c) Carbon to Nitrogen R atio: Maximum 35:1 if material is claimed to be nitrogen stabilized.
d) Soluble Salts: Soluble nutrients typically account for most of the salinity levels but sodium should acc ount for less than 25% of the total. To avoid a leaching requirement, the addition of the co mpost shall result in a final ECe of the amended soil of less than 4.0 ds/m @ 25 degrees C. as determined in a saturation extra ct. Use the following table to dete rmine the maximum allowable ECe (ds/m of saturation extract) of compost at desired use rate a nd allowable ECe increase.
e) Moisture Content: 35-60%.

Percent passing Sieve designation
85-100 9.51 mm (3/8”)
50-80 2.38 (No. 8)
0-40 500 micron (No. 35)
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f) Contaminants: The compost shall be free of contaminants such as glass, metal and visible plastic.
g) Maturity: Physical characteristics suggestive of maturity include:

Color: dark brown to black

Odor: acceptable = none, soil like, musty or moldy
unacceptable = sour, ammonia or putrid

h) Particle Characterization: identifiable wood pieces are acceptable b ut the balance of m aterial should be soil -like without recognizable grass or leaves.

PART 3 - EXECUTION

3.1 LIMITS AND GRADES

A. Grade Review: Prior to commencing soil preparation operations, Contractor shall request a review by the City’s Representative to verify specified limits and grades of work completed to date and soil preparation work to commence. Contractor shall complet e the rough gradi ng as necessary to round the top and toe of all slopes, providing naturalized contouring to integrate newly graded areas with the natural topography. Finish grading under this section shall be completed in accordance with the grades indicated on the landscape drawings.

3.2 STRIPPING AND STOCKPILING OF EXISTING TOPSOIL

A. Excavation Areas: The n ative topsoil shall be stripped and stockpiled on -site in sufficient quantities to provide a six -inch layer throughout all in -ground planting areas and to backfill raised planters, including the ADA planter . Topsoil to be stripped and stockpiled shall be taken from the surface layer after all organic litter and foreign debris has been removed and properly disposed.

B. Existing Grade Unchanged: In those areas where grades are not proposed to be modified (areas of no excavation or fill) the n ative topsoil shall be left in place.

All debris, as well as all rocks over 0.75 inches in diameter, shall be removed from the surface of planting areas.

3.3 SUBSOIL AND TOPSOIL PLACEMENT

A. A mixture of topsoil and subsoil shall be used for backfill beneath the ha rdware cloth in b ox. Only topsoil shall be utilized as backfill for raised planters.

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Stockpiled excavated sub-soil shall be place d in three -inch lay ers to depths shown on dr awings. Next, three -inch layers of topsoil shall be uniformly distributed over all planters and thoroughly incorporated into the top s ix inches of subsoil by ripping, scraping, or tilling to mix the stockpiled subsoil with the native subsoil into a homogeneous mixture.

A. Existing Topsoil to Remain: In those planting areas where native topsoil is to be left in place, cross rip to a depth of ten inches. Then incorporate the amendments to a homogeneously blended soil depth of six inches.

3.4 ORGANIC AMENDMENT AND FERTILIZER INCORPORATION

(The following recommendation is for bidding purposes only . Refer to the horticultural soils report for actual quantities and fertilizers.)

A. Materials and Rates: Materials determined from the soils test shall be uniformly distributed thro ughout all irrigated planting areas and incorporated to a homogeneously blended soil de pth of twelve inches per raised planter. Assume per eighteen cubic yards of native topsoil the addition of:

6 cubic yards nitrogen stabilized organic amendment
30 pounds commercial fertilizer (6-20-20)
10 pounds iron sulfate
Note: Iron sulfate shoul d be applied cautiously, avoiding contact with concrete, since permanent staining may result. Any such stained concrete shall be replaced at Contractor’s expense.

3.5 PLANT PITS

A. Plant Pit Preparation: Plant pits shall have their sides and bottoms loosened o r otherwise broken to prevent glazed or compacted surfaces, and shall be as shown on the planting detail.

3.6 BACKFILL

A. Backfill Material and Placement: Only unamended soil shall be used beneath the root ball; cultivate bottom of plant p it to improve porosity. Backfill around sides of rootball shall be the amended soil taken from adjacent prepared areas.

Spread material excavated from plant pits onto adjacent areas as replacement.

Should additional backfill be necessary, a mixture of one -third organic amendment/fertilizer mix and two-thirds topsoil may be used.

3.7 PLANT TABLETS
LANDSCAPE SOIL PREPARATION 31 92 13
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A. Tablet Quantities: All container plants shall receive plant tablets as follows:
five-gallon plants five 21-gram tablets

Space the tablets evenly around the root ball halfway up backfill touching s ide of root ball. City’s Representative may require excavation of up to 5% of all plants selected at random for conformance review.

3.8 FINISH GRADING

A. Grading Operations: Contr actor shall finish grade all irrigated planting areas unless otherwise noted, and shall remove all rocks and clods over one cubic inch to a depth o f one inch below finish grade. All areas shall be smooth and uniformly graded. All erosion damage during the construction period shall be repaired by the Contractor.

B. Finish Grades: Unless otherwise noted, all soil finish grades shall be one inch below finish grade of walks, pavements, and curbs.

END OF SECTION 31 92 13

LANDSCAPE MAINTENANCE 32 01 90
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SECTION 32 01 90 LANDSCAPE MAINTENANCE

PART 1 - GENERAL

1.1 SCOPE

A. Work in this section includes the growing and maintenance operations necessary to establish the newly planted shrubs, and other plantings; to provide insect, rodent and disease control, and to maintain the irrigation system, and related construction elements.

B. Related work specified elsewhere:

1. Irrigation - Section 32 84 00

2. Landscape Soil Preparation – Section 31 92 13

3. Planting - Section 32 93 00

1.2 SUBMITTALS

A. Soil Testing: Contractor shall c ollect one one-quart samples in the container planting areas of the in -place topsoil 20 days after completion of planting and submit to Waypoint Analytical, Inc. of Anaheim , ( 714) 282-8777, or approved equal, for maintenance period fertilizer recom mendation. Test results sha ll be made available to the City’s Representative. Sample shall be a representative composite taken from several planting areas. Cost of soil test shall be paid for by the Contractor.

B. Herbicide/Fungicide/Insecticide: Submit a written recommendation from a State of California appropriately licensed individual along with complete product data from proposed manufacturer, for review by City Inspector and/or City’s appropriately licensed individual.

1.03 SCHEDULE
A. Work in this section will not begin until the irrigation audit is complete.

B. Maintenance and Warranty Period: Shall be per General Conditions.

C. Maintenance period shall be for a minimum period of thirty (30) calendar days after pre-final inspection.

LANDSCAPE MAINTENANCE 32 01 90
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PART 2 - PRODUCTS

2.1 MATERIALS

A. Fertilizer: Used during the course of the maintenance period shall be determined by soils test required under Part 1 of this Section and that are on the list below.

For bidding purposes only, assume the use of ammonium sulfate (21 -0-0) at 5 lbs. per 1000 SF, minimum of two applications.

1. Organic Materials Review Institute’s Generic Materials List

2. California Department of Food and Agriculture’s Organic Input Materials

3. U.S. Department of Agriculture’s National Organic Program

B. Water: During the course of construction and maintenance period water shall be paid for by the Contractor.

C. Herbicide/Fungicide/Insecticide: Shall be a commercially available chemical recommended for this project and these plantings by a State of California appropriately licens ed indi vidual. The licensed individual shall review all planting, including but not limited to seed, sod, groundcovers, shrubs, and trees, the types and extent of soil preparation, th e irrigation systems, drainage patterns, and other project characteristi cs to verify type, compatibility, and recommend the appropriate chemical(s) for use. Contractor shall be responsible for all overspray, spreading, runoff, plant health, and other impacts from the use of the chemical(s).

PART 3 - EXECUTION

3.1 TIME LIMIT S: T he main tenance period shall commence from the date of substantial completion of planting as defined in paragraph 3.6 below, and extend for a 30-day period thereafter, or until the acceptance of Final Completion.

3.2 FERTILIZER APPLICATION: Fertilizer(s) s hall be ap plied per Waypoint Analytical, Inc. recommendations. For bidding purposes, assume initial application to be four weeks after planting and subsequent applications to be at 45-day intervals.

3.3 HERBICIDE APPLICATION: Herbicide shall not be used until all plant material has been planted a minimum of 20 -days. All planting areas shall be kept weed -free by non-herbicide methods during this time period. Herbicide shall not be applied to any areas that are or have been seeded. Contractor must apply the material in conformance with the written recommendations of the State appropriately licensed individual.

LANDSCAPE MAINTENANCE 32 01 90
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3.4 BASIC REQUIREMENTS: All planting areas shall be kept weed -free at all times during the maintenance period. All pest and disease control shall be the Contractor’s responsibility.

All planting areas shall be kept at optimum moisture for plant growth. Settlement of soil and plants and soil erosion shall be repaired and areas replanted as required. Dying or deficient plants shall be replaced as soon as they become apparent.

3.5 CITY’S RESPONSIBILITY: Work installed under this contract that is damaged or stolen prior to written notice of Substantial Completion shall be repaired or replaced by the Contractor without cost to the City. A fter Substantial Completion and thr ough th e maintenance period, these damages and similar factors such as extensive litter, abuse and defacement shall be the City’s responsibility to repair or replace and shall not be a part of this contract. No planting s hall be guaranteed beyond the maint enance period, except as to conformance to specified species and variety, and except as to conditions specified under "Root Systems" of Landscape Planting, Section 02934.

3.6 SUBSTANTIAL COMPLETION: Shall be deemed as the time all major plantings, including groundcover, are installed, and when all other work is satisfactorily completed (with the exception of minor items to be completed as noted upon a checklist compiled by the City’s Representative). Mainten ance period shall not commence until work is deemed substantially complete by the City’s Representative.

3.7 FINAL REVIEW: Contractor shall request a final review of the project at least five days in advance of the proposed date. Failure to r equest this notice shall automatically extend the date of completion. The maintenance period w ill continue until project is deemed complete.

END OF SECTION 32 01 90

ASPHALT PAVING 32 12 16
Wilson Park Community Garden

321216_AsphaltPaving.doc
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

SECTION 32 12 16 ASPHALT PAVING

PART 1 - GENERAL

1.1 SCOPE

A. Work in this section includes the installation and furnishing of all aggregate base, asphaltic concrete (a.c.) paving, and related work thereto.

B. Related work specified elsewhere:

1. Earthwork and Grading - Section 31 22 00

1.2 STANDARDS

A. Unless otherwise shown or specified, all materials and methods shall conform to the cited sections of the most current State of California, Department of Transportation Standard Specifications (DTSS).

1.3 SUBMITTALS

A. Soil Sterilant: Submit written recommendation from a State of California appropriately licensed individual along with comple te product data from proposed manufacturer, for review by t he City’s appropriately licensed individual.

B. Aggregate Base : Submit laboratory reports for aggregate gradation, durability, sand equivalency, and other requirements conforming to DTSS Section 26, for review by City Inspector.

C. Asphalt Pavement: Submit proposed mix design as prepared by mixing plant and other requi rements conforming to DTSS Section 39-2, for review by City Inspector.

1.4 TOLERANCES

A. Tolerances for subgrade, subbase and finished grade shall be as specified by DTSS Section 19 Earthwork except that Contractor shall deliver the full aggregate base and asph altic concrete thickness shown. No combination of high and low tolerances that compromise the section will be permitted.

ASPHALT PAVING 32 12 16
Wilson Park Community Garden

321216_AsphaltPaving.doc
© copyrighted 2022 Callander Associates
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1.5 TESTING AND INSPECTION

A. Contractor shall notify the City’s Representative at the completion of the various stages of the operation as indicated below and shall allow two (2) working days for testing operations prior to proceeding with subsequent construction.

1. After all rough grading is complete and subgrade has been prepared to receive aggregate base
(insert (and/or subbase) if there is import fill on
the site).

2. Af
ter final placement and compaction of aggregate base or subbase and subgrade has been prepared to receive asphalt prime or other following operation.

3. When paving equipment is at the site and paving operation is ready to start.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Soil Sterilant: Shall be a commercially available herbicide material rec ommended for this project by a State of California appropriately licensed individual. The licensed individual shall review the type of construction, soils, base, adjacent plantings, time and season of application, and other project requirements; verify compatibility; and recommend procedures for proper application. Contractor shall be responsible for all overspray, spreading, or runoff of material into adjacent areas.

B. Aggregate Base: DTSS Section 26, Class 2, with 3/4 inch maximum size.

C. Liquid asphalt for prime coat: DTSS Section 94.

D. Asphaltic emulsion for tack coat: DTSS Section 94, SS1h.

E. Asphalt Binder: DTSS Section 92, performance graded asphalt binder, PG 64 -10 or PG-64-16.

F. Mineral aggregates for HMA Types A & B plant-mixed asphalt: DTSS Section 39-2, maximum size 1/2 inch, medium gradation.

2.2 MIXES

ASPHALT PAVING 32 12 16
Wilson Park Community Garden

321216_AsphaltPaving.doc
© copyrighted 2022 Callander Associates
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A. Proportioning and mixing of the asphaltic concrete shall conform to DTSS Section 39-2.

PART 3 - EXECUTION

3.1 PREPARATION

A. Verify that the subbase is properly compacted and at suitable grade for receiving aggregate base. Clear area to be paved of all debris and organic material.

Recompact and regrade as necessary to place aggregate base.

B. Before beginning base and paving wor k and during construction, take all steps necessary for protection of existing improvements. As the asphalt concrete is being placed, extreme care shall be taken not to discolor or damage the curbs, fences, or wall surfaces. If damage occurs, repair, and if satisfactory repair cannot be made, remove and replace the section as directed.

C. Dispose of all excavated material as described in the Demolition Section 02 41 13 of the Technical Specifications.

3.2 INSTALLATION

A. Soil Sterilant: Shall be applied to the subgrade soil of areas to be paved prior to baserock operations; uniformly applied according to the labe l. Contractor shall take all precautions necessary to avoid overspray, spreading, or runoff of material into adjacent areas.

B. Place and compact aggregate base as specified for Class 2 aggregate base in DTSS Section 26-1.03. Verify grades to allow for finish paving.

C. Clear aggregate base surface of all loose or unsuitable material. Apply prime coat in accordance with DTSS Section 94 and at a rate of 0.25 gallons per square yard.

After the liquid asphalt has penetrated the surface, the excess shall be remove d with sufficient sand to absorb the excess liquid asphalt. Remove excess sand.

D. Apply tack coat in accordance with DTSS Section 39 -2. Tack coat shall be applied in one application to existing pavement and planed surfaces and all vertical surfaces of exis ting pavement, cur bs, gutters, catch basins, and construction joints, and other surfaces designated by the City’s Representative. The tack coat shall be provided in sufficient quantity to produce a thin, uniform black, glossy coat o f asphalt. Pools in unevenly distributed areas shall be redistributed by means of hand brooms.

ASPHALT PAVING 32 12 16
Wilson Park Community Garden

321216_AsphaltPaving.doc
© copyrighted 2022 Callander Associates
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E. Before placing surfacing, additional prime coat or tac k binder shall be applied to areas where the prime coat or tack coat has been destroyed.

F. Asphalt concrete shall be transported, spread and compacted uniformly to a closed, smooth surface and a layer of uniform density, in accord with DTSS Section 39-2.

G. Finish grades shall be as indicated, smooth and without sharp breaks and shall allow the pavement to drain . Upon completion of the paving, flood the area as directed by the City’s Representative. The Contractor shall be required to reconstruct any low areas as directed. Finish grades that allow ponding or puddling of water will not be accepted.

3.3 CLEAN UP

A. Upon completion of the work under this section, remove immediately all surplus materials, rubbish and equipment associated with or used in the performance of this work. Failure to perform such clea n-up operations shall be considered adequate grounds for having the work done by others at the Co ntractor’s expense.

END OF SECTION 32 12 16
SITE CONCRETE 32 13 13
Wilson Park Community Garden

321313_SiteConcrete
© copyrighted 2022 Callander Associates
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SECTION 32 13 13 SITE CONCRETE

PART 1 - GENERAL

1.1 SCOPE

A. Furnish and install all concrete as shown and specified. This work includes, but is not necessarily limited to concrete pavement, threshold, footings, and miscellaneous items.

B. Related work specified elsewhere:

1. Earthwork and Grading - Section 31 22 00

1.2 STANDARDS

A. Unless otherwise shown or specified, all materials and methods shall conform to the appropriate current sections of:

1. The State of California, Department of Transportation Standard Specifications (DTSS) sections 52, 73 and 90 except for measurement and payment requirements.

2. Applicable ASTM Specifications as they reasonably apply to this work, except for measurement and payment requirements.

3. American Concrete Institute (ACI), current standards.

1.3 TOLERANCES

A. Tolerances for subgrade, subbase and finished grade shall be as specified by DTSS except that Contractor shall deliver the full aggregate base and concrete thickness shown. No combination of high and l ow toleranc es that compromise the section will be permitted.

B. Concrete Final Finishes: The Contractor shall demonstrate to the satisfaction of the City and the Owner’s Representative that he, or his subcontractor, possesses sufficient skills and experience to perform the work. Photographs and/or site visits of past work may be required to supply this information. A 3’x3 ’ sample of the broom finish concrete pavement shall be poured and finished at the site for City’s review prior to commencing concrete pouring. Once t he samples have been reviewed, the Contractor shall meet or exceed that quality of finish in all subsequent work. Contractor shall be responsible for removal of the samples at the completion of the work.

SITE CONCRETE 32 13 13
Wilson Park Community Garden

321313_SiteConcrete
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

C. Submittals: The following shall be submitted by the Contractor to the Engineer in accordance with the applicable portions of the referenced specifications:

1. The proposed mix design, giving the brand of cement, type, gradations and source of aggregates, water/cement ratio, mix proportions , and unit weight.

2. Manufacturer’s literature for admixtures, emb edded items, liquid membrane-form curing compound and non-shrink grout.

3. Certification that materials are in compliance with specification requirements.

4. Method of transporting and placing concrete.

1.4 JOB CONDITIONS

A. Weather Limitations: Construct concrete su rface course only when atmospheric temperature is above 40 degrees F., when the underlying base is dry, and when weather is not rainy.

B. Grade Control: Establish and maintain the required lines and grades, including cross-slope during construction operations. All concrete shall slope to drain with no ponding of water.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Forms and Reinforcing: Per section 52.

B. Concrete: Shall conform to Section 90 of the DTSS “Minor Concrete”.

1. Cement: Type II modified conforming to ASTM-C-150-02a.

2. Aggregate: Shall not be less than 3/8” or more than 1 inch in size.

3. Compression strength at 28 days to be a minimum 3,000 p.s.i.

C. Color Admixture:

1. Add Hi-con black at a rate of 1/8 lb. per sack.

D. Cleaning Agents: As required.

E. Aggregate Base: Class II per (DTSS).

F. Expansion Joint Filler: Shall be “ Fibre” Joint, manufactured by W.R. Meadows Seal Tight and conforming to ASTM D-1571, or approved equal.

SITE CONCRETE 32 13 13
Wilson Park Community Garden

321313_SiteConcrete
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

PART 3 - EXECUTION

3.1 PREPARATION

A. Clear area to be paved of all debris and organic material. Recompact and regrade as necessary prio r to plac ement of concrete. Verify that the subgrade and/or aggregate base is properly compacted and at suitable grade.

B. Before beginning paving work and during construction, take all steps necessary for protection of existing improvements. As the concrete is being placed, extreme care shall be taken not to discolor or damage any improvements. If damage occurs, repair same, and if satisfactory repair cannot be made, remove and replace the section as directed.

C. Formwork and Reinforcement:

1. Assure that excavations and formwork are completed.

2. Check that reinforcement is secured in place.

3. Verify that anchors, expansion joint material, and other embedded items are secured in position.

3.2 INSTALLATION

A. Finishes

1. Broom Finish: Provide a light broom finish with strokes perpendicular to direction of travel along walks and parallel to length of threshold.

3.3 CLEAN UP: Upon completion of the work under this section, r emove immediately all surplus materials, r ubbish, and equipment associated with or used in the performance of this work.

END OF SECTION 32 13 13
DECOMPOSED GRANITE PAVING 32 15 40
Wilson Park Community Garden

321540_DecomposedGranitePavement.doc
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

SECTION 32 15 40 DECOMPOSED GRANITE PAVING

PART 1 - GENERAL

1.1 SCOPE

A. Furnish and install all stabilized decomposed granite paving as shown and specified.

B. Related work specified elsewhere:

1. Earthwork and Grading – Section 31 22 00

2. Site Concrete - Section 32 13 13

1.2 QUALITY CONTROL

A. Standards: Unless otherwise shown or specified, all materials and methods shall conform to the appropriate current sections of:

1. The State of California, Department of Transportation Standard Specifications (DTSS) Section 20-5.

2. Applicable ASTM Specifications as they reasonably apply to this work.

B. Tolerances: Tolerances for subgrade, subbase, and finish grade shall be as specified by DTSS except that Contractor shall deliver the full decomposed granite thickness shown. No combination of high and low tolerances that compromise the section will be permitted.

1.3 SUBMITTALS

A. Soil Steril ant: Submit written recommendation from a State of Cal ifornia appropriately licensed individual along with complete product data from proposed manufacturer, for review by City Inspector and /or City’s appropriately licensed individual.

B. Decomposed Granite: A one -quart sample with supplier and source clearly indicated of decomposed granite to be used shall be submitted to the City’s Representative for approval prior to delivery to the site.

C. Mixing Facilities: Method or supplier source for paving product shall be submitted to the Engineer with sufficient notice so inspection of batching and mixing operations can be made.

DECOMPOSED GRANITE PAVING 32 15 40
Wilson Park Community Garden

321540_DecomposedGranitePavement.doc
© copyrighted 2022 Callander Associates
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D. Stabilizer: Submit product data.

E. Reviews: Contractor shall stake and layout all paving areas for review by the City’s Representative prior to excavation.

F. Samples: The Contractor shall demonstrate to the satisfaction of the City’s Representative that he or his subcontractor possesses sufficie nt skills and experience to perform the work in all aspects required. A five -square-foot sample of decomposed granite paving shall be installed at the site for review and approval by the City’s Representative. The Contractor shall meet or exceed that quality of work in all subsequent work. Contractor shall be responsible for the removal of the sample at the completion of work.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Soil Sterilant : Shall be Preen Natural Vegetable Garden W eed Preventer or approved equal, produced b y Lebanon Seaboard Corporation, 1 -800-233-1067, as available from Home Depot. Soil sterilant shall be suitable for use in cro p and edible gardens. Sterilant shall prevent weeds by bonding with the soil and preventing weed seeds from forming roots. The ingredients shall biodegrade into soil elements and shall not harm humans, animals, or water sources.

B. Decomposed Granite: Dec omposed granite, hereafter referred to as “DG”, shall be Gold Track Fines as available from TMT Inc. 1996 Oakland Rd, San Jose, CA 95131-1696, (408) 432- 9040, or approved equal. Material must also conform to the following:

Sieve Size Percent Passing
3/8” 100%
No. 4 85% - 95%
No. 8 75% - 95%
No. 30 35% - 55%
No. 20 10% - 20%

The yellow-brown color, inherent to Gold Track Fi nes type DG, is a requirement for this material. The contractor shall obtain the approval of the Engineer in writing of the DG he proposes to use, prior to delivery to the site.

DECOMPOSED GRANITE PAVING 32 15 40
Wilson Park Community Garden

321540_DecomposedGranitePavement.doc
© copyrighted 2022 Callander Associates
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C. Stabilizer: Stabilizer shall be PHP Organic Aggregate Binder, or equal, and a dded to the DG at the rate of 15 lbs per ton of DG.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Soil Sterilant: Shall be applied to the s ubgrade soil of areas to be paved prior to paving operations; uniformly applied per manufacturer's recommendations; minimum rate of 20 lbs./1000 square feet and watered with a minimum of 3 gallons/100 square feet. Contractor shall take all precautions necessary to avoid spray onto or runoff into planting areas or other surfaces.

B. Immediately prior to placing the decomposed granite , the subgrade shall be moistened. The decomposed granite shall be deposited in such a manner as to minimize the necessity for spotting, picking up, or otherwise shifting the decomposed granite. The decomposed granite shall be leveled by raking and compacted by use of a light roller.

C. Fill in any low spots or cracks with additional decomposed granite.

D. Finished surface of decomposed granite pavement shall meet ADA compliant standards of firmness and stability per CBC 11B-302.

3.2 GRADES

A. The finish grades of the decomposed granite paving shall conform to the lines and grades on the drawings and allow for drainage.

3.3 CLEAN-UP

A. All waste produced as a result of decomposed granite paving construction shall be removed from the site and disposed of legally. All exc ess decomposed granite shall be removed from planting areas.

END OF SECTION 32 15 40
SITE FURNISHINGS 32 33 00
Wilson Park Community Garden

323300_SiteFurnishings.doc
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

SECTION 32 33 00 SITE FURNISHINGS

PART 1 - GENERAL

1.1 SCOPE
A. Furnish and install all site furnishings, including but not necessarily limited to, benches, tables, entry sign, storage shed, and ADA raised planters.

B. Related work specified elsewhere:

1. Irrigation - Section 32 84 00

2. Site Concrete - Section 32 13 13

3. Carpentry - Section 06 40 00

1.2 ACCEPTANCE: Prior to the purchase of the items and within five days of the award of the contract, the Contractor shall supply the Owner’s Representative with samples of the finishes for approval by the City. No materials for this section shall be purchased until such approval is granted.

1.3 CERTIFICATION: Delivery schedules shall be verified and certified in writing to the Owner’s Representative within ten days after the project commences.

1.4 SUBMITTALS: Submit catalog information for items:

A. Bench
B. Table
C. Entry Sign
D. Occupancy Sign
E. Storage Shed
F. ADA planter
G. Rain Chain
H.

PART 2 – PRODUCTS

2.1 MATERIALS

A. Bench: Shall be Dumor Bench 34, 6’ length, IPE, metal parts to be powder coated black, with end and ce nter armrests , surface mo unted, as available from Ross Recreation, 100 Brush Creek Road, Suite 206, Santa Rosa, CA 95404, (855) 892- 3240, or approved equal.

SITE FURNISHINGS 32 33 00
Wilson Park Community Garden

323300_SiteFurnishings.doc
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

B. Table: Shall be Dumor Table 75, 8 ’ length, Douglas Fir, ADA, surface mounted, as available from Ross Recreation, 100 Brush Creek Road, Suite 206, Santa Rosa, CA 95404, (855) 892-3240, or approved equal.

C. Entry Sign: Per plans.

D. Occupancy Sign: Per plans.

E. Storage Shed: Shall be T uff Shed, Premier Ranch , 8’Lx8’Wx8’10”H, Double Shed Door 3’x6 ’-2”, 16 ”x8” Wall Vent white color, Autumn Brown 3 Tab Roof , as available from Tuff Shed, 3590 Snell Ave, Suite 20, San Jose, CA 95136, (408) 935- 8833, or approved equal. One (1) year minimum warranty period.

1. Paint: Siding Paint shall be Diamond Dust KM5297, Trim Paint shall be Aegean Mist KM4977, as a vailable from Kelly -Moore Paints, or approved equal.

F. ADA raised planter: ADA Compliant O utdoor Raised Garden Bed – Red Cedar – 47” L x 45 ” W x 24 ” to 30” H, finish to be natura l, unpainted finish, as available from Accessible Gardens, 2 Cleo Court, Wester ly, RI, 02891 , (401) 290-7870, or approved equal. All posts to be surface mounted to concrete footings.

G. Rain Chain: Per plans.

PART 3 - EXECUTION

3.1 LAYOUT: Prior to commencing instal lation, Contractor shall stake layout and request a review by the Owner’s Representative to determine adjustments on site from lo cations shown on drawings.

3.2 INSTALLATION:

A. All site accessories shall be installed per manufacturer's specifications.

END OF SECTION 32 33 00
IRRIGATION 32 84 00
Wilson Park Community Garden

328400_Irrigation
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

SECTION 32 84 00 IRRIGATION

PART 1 - GENERAL

1.1 SCOPE
A. Work in this section includes installation of a garden watering system and automatic irrigation system, including excavation for point s of connection, trenching, piping, e quipment, electrical components and incidentals related thereto.

B. Related work specified elsewhere:

1. Trenching and Backfilling – Section 31 23 00

1.2 QUALITY CONTROL

A. Standards: Unless otherwise shown or specified, all materials and methods shall conform to section 20-2 of the State of California Department of Transportation Standard Specifications (DTSS) as they reasonab ly apply to this work except for measurement and payment requirements.

B. All irrigation shall be provided and performed in accordance with the current City of Cupertino Standard Details. Wherever these plans and the City Standards conflict, the higher quality standard or specification will apply.

C. Reviews: Contractor shall specifically request the following reviews prior to progressing with the work:

1. Layout of system.

2. Points-of-connection excavation.

3. Trenching and pipe assembly.

4. Coverage adjustment of all heads and valve box installation.

5. Operation of system.

6. Final Completion

PART 2 - PRODUCTS

2.1 MATERIALS

A. Quality: All materials shall be new and the best quality available unless otherwise specified. All materials shall be clearly marked by manufacturer on all material, containers, or certificates of contents for inspection.

IRRIGATION 32 84 00
Wilson Park Community Garden

328400_Irrigation
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

B. Plastic Pipe and Fittings: All mainline pipe shall be polyvinyl chloride (PVC) Schedule 80, all laterals shall be Class 200 PVC pipe; solvent weld fittings, if used, shall be Schedule 40, or Schedule 80 as called for on details . Solvent for piping shall be as recommended by manufacturer. All pipe shall be clearly labeled with manufacturer type and specification numbers.

C. Control Wire: Type UF, 600 v. insulation, minimum size #14, copper, common to be white, valve contr ol wire to be red or black, U.L. approved for irrigation control use; splices shall be "Scotch-Lok" seal pack, or equal.

D. Valve Boxes: Precast concrete or p lastic of type and size indicated; free of all cracks, chips or structural defects. Boxes located in pavement (asphalt or concrete) and/or subject to vehicular traffic shall be concrete and have heavy duty steel covers. Boxes shall be sized to provide a 4 ” minimum clearance around the irrigation equipment inside the box, excluding all pipes and fittings.

E. Irrigation Equipment: Refer to drawings. Any desired substitutions require submittals in duplicate for specific written approval.

F. Thread Sealant: Permatex Thread Sealant, part #14H, white in color.

G. Submeter: Shall be Neptune T-10 meter, measuring in CCF, 2 ” size, or approved equal. Install per manufacturer’s recommendations.

H. Shrub bubbler: Rainbird 1401 series, 1 bubbler per shrub, or approved equal.

I. Hose Bibb: Dramm 22319 ¾” brass twin shut off valve, or approved equal.

J. Hose Hanger: Hampton Bay heavy -duty wall -mounted hose hanger, 12 -gauge steel with powder coated tan color finish, as available from The Home Depot.

PART 3 - EXECUTION

3.1 GRADING: Contractor shall be responsible for installing all irrigation features to their finished grade and at depths indica ted. All rou gh gradi ng shall be completed before trenching commences.

3.2 LAYOUT AND TRENCHING: All features of the irrigation system shall be staked and pipe alignments marked prior to trenching for review by the Engineer.

3.3 BACKFILLING: Do not cover joints u ntil system has been reviewed by the Engin eer.

Backfill with damaging rocks and debris shall not be permitted. Compact all backfill and IRRIGATION 32 84 00
Wilson Park Community Garden

328400_Irrigation
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.
eliminate settlement. Previously prepared soil is to be replaced as the top six inches of backfill.

3.4 FABRICATION: Snake pipe from side to side when trench exceeds thirty feet in length. All manifolds shall be neat, orderly, and constructed for ease in maintenance operations.

Construct manifolds to allow valve boxes to be parallel to each other and to adjacent walls, walks, curbs, and buildings . Cuts and joints sha ll be free of burrs, smooth, and minimum in quantity. All pipe above finish grade shall be galvanized unless noted otherwise.

3.5 PIPELINES: All pipelines shown parallel on the drawing may be installed in a common trench. Where p ipelines are shown parallel or adjacent to shrub or groundcover areas, they shall be installed in these areas. All changes in depth of pipe shall be accomplished using 45-degree fittings.

3.6 TESTING: Test mainline at 125 psi for a minimum of eig ht (8) hours prior to backfill of any irrigation system elements. No signs of leaking shall be considered acceptable . Test and repair as necessary until satisfactory test conditions are obtained.

3.7 CONTROL WIRE: Install control wire in pipe tre nches wherev er practical. Tape to underside of pipe every ten feet. Loop wire every 20 feet. Splices shall occur in valve boxes only and shall be accompl ished utilizing appro ved connectors. All wire shall be installed below or level with the bottom of adja cent pipes. All wiring above finish grade shall be enclosed in steel conduit. Splices shall be installed in junction boxes.

3.8 FINISH GRADE: Unless otherwise noted, all heads shall be set at finish grade and on double or triple swing joints as called for on drawings. The top of all valve boxes shall be flush with finish grade.

3.9 RECORD DRAWING: Contract or shall regularly update a print of the system and any changes made to the system throughout the project. Feature s below gr ound shall be indicated with at least two measurements from surface features such as walks, building, or sprinkler heads. All change s shall b e recorded on this pl an before trenches are backfilled. The record drawing shall be completed and submitt ed to City before final payment shall be made for work installed.

3.10 FINAL REVIEW: Contractor shall request a final r eview of the project at least five days in advance of the proposed date. Failure to r equest this notice shall auto matically extend the date of completion.

END OF SECTION 32 84 00

PLANTING 32 93 00
Wilson Park Community Garden

329300_Planting.doc
© copyrighted 2022 Callander Associates
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SECTION 32 93 00 PLANTING

PART 1 - GENERAL

1.1 SCOPE

A. Furnish and install all container plantings, mulch, header board, and related work thereto.

B. Related work specified elsewhere:

1. Landscape Soil Preparation - Section 31 92 13

2. Landscape Maintenance - Section 32 01 90

1.2 REFERENCES
A. Interpretations of plant names and descriptions shall reference the following documents. Where the names or plant descriptions disagree between the several documents, the most current document shall prevail.

1. USDA – The Germplasm Resources Information Network (GRIN) http://www.ars-grin.gov/npgs/searchgrin.html

2. Manual of Woody Landscape Plants; Michael Dirr; Stipes Publishing, Champaign, Illinois; most current edition.

3. New Sunset Western Garden Book, Oxmoor House, most current edition.

B. ANSI American Standard for Nursery Stock

C. Federal, State, and County laws requiring inspection for plant disease and insect control.

1.3 QUALITY CONTROL

A. Reviews: The Contractor shall specifically request the following reviews prior to progressing with the work:

1. Plant material approval

2. Plant layout

3. Finish grade

4. Substantial completion

5. Final completion
PLANTING 32 93 00
Wilson Park Community Garden

329300_Planting.doc
© copyrighted 2022 Callander Associates
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1.4 SUBMITTALS

A. Plant Material: Within ten (10) days after award of contract, Contractor shall submit notice to the City’s Representative certifying the quantity and species of plant material ordered, the nursery supplying the material, any plant material unavailable at the time, and proposed plant substitutions. No plants shall be ordered or delivered prior to written acceptance by the City Representative.

B. Mulch: Name of supplier and one quart-sized sample.

C. Certificates: All plant materials shall meet the specifications of Federal, State, and County laws requiring inspection for plant diseases and insect infest ations.

Inspection certificates required by law shall accompany each shipment, invoice, or order of stock, and when such plants arrive at the si te of work, the certificate of inspection shall be filed with the City’s Representative.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Nomenclature and Labels: Plant botanical names shall conform to current literature noted in section 1.2. All plants of each clone, species, and cultivar shall be delivered to the site l abeled with their full botanical names. Every plant species shall be labeled with no less than one label for every ten plants of a species.

B. Quality: Minimum quality of all plant material shall conform to prevailing published specifications of the California Associatio n of Nurserymen and the American Association of Nurserymen’s American Standard for Nursery Stock unless otherwise indicated. A dditional specifications shall be indicated on the drawings.

C. Quantities: The quantities shown on the plant list and in labels are for the City’s Representative’s use and are not to be construed as the complete and accurate limits of the contract. Contractor shall furnish and install all plants shown schematically on the drawings. Any unlabeled plants shall be consid ered as the smaller size shown for that type on the drawings.

D. Root Systems: All container- grown stock shall be grown in its container for at least six months prior to its planting. Contractor shall allow one percent of the PLANTING 32 93 00
Wilson Park Community Garden

329300_Planting.doc
© copyrighted 2022 Callander Associates
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quantity of plants for removal and inspection. Any plant material, within one year following the final acceptance of the project, determined by the City’s Representative to be defective, restricted, declining or otherwise deficient due to abnormal root growt h, shall be replaced by Contractor to the equal condition of adjacent plants at the time of replacement.

E. Health: Foliage , roots and stems of all plants shall be of vigorous health and normal habit of growth for its species. All plants shall be free of all diseases, insect stages, burns, or disfiguring characteristics.

F. Untrue Speci es: All plant material, within two years following the final acceptance of the project, determined by the City’s Representative to be untrue to the species, clone, and/or variety specified, shall be replaced by the Contractor, to the equal condition of adjacent plants at the time of replacement.

G. Mulch: Except as otherwise noted below, mulch shall be walk-on bark, free of disease, invasive weeds and seeds. Available from Lyngso Garden Materials, 345 Shoreway Road, San Carlos, CA 94070, (650)364-1730). Maximum 3” grind.

H. Headerboard: Shall be per plans.

PART 3 - EXECUTION

3.1 GENERAL

A. Plant Material Approvals: Before planting operations commence, all or a representative sampling of plant material shall be reviewed at the site by the City’s Representative. Defective plants installe d without such review shall be removed from the site upon request by the City’s Representative and an acceptable plant substituted in its place.

B. Storage and Handling:

1. Plant materials shall be protected and maintained in good condition.

Bare root and balled materials shall be watered regularly and placed in a cool area. Plant material shall be protected at all times from animal damage, vandalism, dro ught damage, wind damage, frost damage, toxic irrigation water, or any other condition that would damage or reduce the viability of the plants. Plants shall be kept moist at all times and shall be completely watered twelve (12) hours or less before planting and shall be moist when installed.

PLANTING 32 93 00
Wilson Park Community Garden

329300_Planting.doc
© copyrighted 2022 Callander Associates
Landscape Architecture, Inc.

C. Layout: Only those pla nts to be pla nted in any single day shall be laid out.

Locations of all plants shall be reviewed prior to planting. Plants installed without this review shall be transplanted as directed by the City’s Representative.

D. Protection of Plants: Contractor s hall maintain all plant material in a healthy growing condition prior to and during planting operations. Contractor shall be responsible for vandalism, theft and damage to plant material until the commencement of the maintenance period.

E. Root Systems: Contractor shall be responsible for inspection of all root systems on plant materials. Inspection shall include, but not be limited to, checking for rootbound stock, encircling roots at the perimeter of the container, evidence of girdling roots, and other defective root conditions. Such inspections shall include the complete removal of soil from one percent of plant material containers, or at least one plant from each nursery and each plant type. Contractor shall cut defective or potentially defective girdli ng, rootbound, and encircling roots and spread the root system into the surroundin g backfill. Plants with excessively defective root systems shall be rejected by the Contractor.

F. Pruning: Contractor shall do no pruning without the specific ap proval of the City’s Representative. Plants pruned without approval sha ll be replaced by the Contractor, if required.

G. Basins: Construct basins as necessary to water plants. Remove basins from all plants under a permanent irrigation system prior to fin al inspection and finish grade the planting area. Basins for plants to be hand -watered shall remain in place. Basin bottoms shall drain to berm away from plant stem.

H. Plant Pits, Backfill and Finish Grading: See So il Preparation Section 31 92 13 for materials and installation requirements.

I. Cleanup: After completion of all operations, Contractor shall remove all trash, excess soil and other debris. All walks and pavement shall be swept and washed clean, leaving the entire area in a neat, orderly condition.

END OF SECTION 32 93 00