635B25B2-DC8D-4F85-96CA-3D1DA29AEB6D.pdf

2024 Hard Surface Program Phase 2

Technical Specifications

BID DATE: August 20, 2024

Bernita A. Reese

DIRECTOR

CITY OF COLUMBUS

ANDREW J. GINTHER, MAYOR

01000-1

SECTION 01000

GENERAL PROVISIONS: CMSC

The current edition of Construction and Material Specifications-City of Columbus (CMSC) are part of this Contract. Contractors are referred to applicable sections. All contractors are required to obtain a copy of these specifications and to examine and familiarize themselves with the various articles of this book as they pertain to the project.

Web site address is http://columbus.gov/Templates/Detail.aspx?id=65097

Bound copies of entire printing can be purchased through the Public Service Department, City of Columbus. See Instructions to Bidders.

This Section includes:

Section 100 GENERAL PROVISIONS 101 Definitions and Terms 102 Bidding Requirements and Conditions 103 Award and Execution of Contract 104 Scope of Work 105 Control of Work 106 Control of Material 107 Legal Relations & Responsibility to Public 108 Prosecution and Progress 109 Acceptance, Measurement and Payment

END OF SECTION

http://columbus.gov/Templates/Detail.aspx?id=65097

01010-1

SECTION 01010

GENERAL REQUIREMENTS

A. Note.

1. Refer to Instructions to Bidders and General Conditions that form a part of this specification.

The current edition of Construction and Material Specifications-City of Columbus (CMSC) are part of this Contract. The Owner reserves the right to select or reject various alternate proposals, if indicated, as itemized on Sheet P-3 in the proposal section.

B. Construction Area and Existing Buildings.

1. The facility/park will maintain operation during the work.

2. The Contractor will take all necessary precautions to keep interference to a minimum, including maintaining adequate and safe means of egress at all times.

3. Adequate precautions will be taken to minimize dust and dirt from the operation.

4. The Contractor will visit the site before placing bid.

C. Material Storage.

1. Covered storage space on site is not available. Contractor is responsible for items left outside.

D. Project Meetings.

1. The Contractor shall schedule regular progress meetings between himself, other prime subcontractor, and the City Representative. He shall notify all concerned of the time and place of the meeting, which shall then be the same time and place each week for the duration of the project.

2. Major subcontractors shall be included in the meetings when deemed beneficial.

E. Project Paperwork

1. The Contractor is responsible for turning in a Subcontractor Utilization Report with all applications for payment. If no subcontractors were used on the project, Contractor must still turn in the form indicating no participation.

01040-1

SECTION 01040

PROJECT MANAGEMENT AND COORDINATION

PART 1 GENERAL

1.01 DESCRIPTION

A. The General Contractor shall assume the duties of "job coordinator" and, as such, shall be responsible for the following:

1. To have general direction of all work to the extent that he shall indicate to the other prime subcontractors when certain portions of the building are ready for installation of their work. All contractors shall consult with and coordinate their work with the General Contractor. General Contractor shall not undertake any major operation, such as concrete work, etc., without first checking with the City Representative and other prime subcontractors.

2. To receive and maintain in satisfactory condition, one official job copy of all drawings, specifications, addenda, change orders, shop drawings, etc. For this purpose, each other prime subcontractor shall submit to the General Contractor one copy of all approved shop drawings, installation details, etc.

3. To recommend to the City Representative that appropriate action be taken with other contractors for just cause, including lack of coordination, insufficient numbers of workman, improper interpretation of the documents, etc. The City Representative will investigate any such recommendation before taking any action.

B. If, in the City Representative's judgement, it becomes necessary at any time during construction to accelerate specific areas of the work, he shall relay this to all contractors and subcontractors. The contractor shall then direct the necessary contractors to cease operations at any particular point and transfer workman to such point as directed and execute such portions of his work as may be required to accelerate completion of certain portions of the work.

01041-1

SECTION 01041

CONSTRUCTION SCHEDULE

A. Immediately upon award of contract, the General Contractor shall prepare a construction progress schedule and include all other prime subcontractors.

1. The schedule shall be prepared in cooperation with all prime subcontractors and major parties concerned, including suppliers and subcontractors.

2. Schedule shall show scheduled progress and space for plotting actual progress.

3. The schedule shall be organized in two sections - one section for work completion due, and one section for all work due.

1.02 REVIEW

A. Upon completion, submit to the City Representative for review comments and revisions as required.

B. Upon completion of revisions, the schedule shall be distributed to all interested parties and posted at the project site.

1.03 PROGRESS REPORT

A. Contractor will submit to City Representative a signed, weekly progress report at the end of each week listing the work that was completed that week and work to be done the following week. If no work was done the report should reflect that.

01060-1

SECTION 01060

PERMITS

A. The contractor shall be responsible for investigation into acquiring and payment of all fees, permits, etc., which may be required for the proper execution of the project.

B. The general construction permit shall be acquired from the Department of Development, Building Services, City of Columbus, Ohio.

C. The contractor may acquire required permits and pay fees through his prime subcontractor(s) as he may desire.

02000-1

SECTION 02000

SITE WORK

A. These general site work requirements apply to all site work operations. Refer to specification sections for specific general, product, and execution requirements.

1.02 QUALITY ASSURANCE

A. Comply with all applicable local, state, and federal requirements regarding materials, methods of work, OSHA guidelines and disposal of excess and waste materials.

B. Obtain and pay for all required inspections, permits and fees, including disposal fees. Provide notices required by governmental authorities.

1.03 SUBMITTALS

A. Submit weight tickets and receipts for all materials used within this contract to the City Representative.

1.04 PROJECT CONDITIONS

A. Bidders must visit site prior to bidding to determine extent of work, and assume full responsibility for visual observation of existing conditions.

B. Locate and identify existing underground and overhead services and utilities within contract limit work areas. Contact Ohio Utilities Protection Service (OUPS) at 1-800-362-2764, City Electric at 645-7627 and City Water at 645-7788 forty-eight hours prior to digging. Provide adequate means of protection of utilities and services designated to remain. Repair utilities damaged during site work operations to the satisfaction of the utility owner, at Contractor’s expense.

C. If applicable, arrange for disconnection, disconnect and seal or cap all utilities and services to be removed before start of site work operations. Perform all work in accordance with the requirements of the applicable utility company or agency involved. Coordinate the work required with mechanical and electrical work as necessary.

D. When uncharted or incorrectly charted underground piping or other utilities and services are encountered during site work operations, notify the applicable utility company immediately to obtain procedure directions. Cooperate with the applicable utility company in maintaining active services in operation.

E. Locate, protect, and maintain benchmarks, monuments, control points and project engineering reference points. Re-establish disturbed or destroyed items at Contractor's expense.

F. Perform site work operations and the removal of debris and waste materials to assure minimum interference with streets, walks and other adjacent facilities.

G. Obtain governing authorities written permission when required to close or obstruct street, walks

02000-2 and adjacent facilities. Provide alternate routes around closed or obstructed traffic ways including detour signs as approved by City Representative.

H. Control dust caused by the work. Dampen surfaces as required. Comply with pollution control requirements of governing authorities.

I. Protect existing building, paving and other services or facilities on site and adjacent to the site from damage caused by site work operations. Cost of repair and restoration of damaged items at Contractor's expense.

J. Protect and maintain street lights, utility poles and services, traffic signal control boxes, curb boxes, valves and other services, except items designated for removal. Remove or coordinate the removal of designated items on the drawings.

K. The Owner will occupy the premises and adjacent facilities during the entire period construction.

Perform site work operations to minimize conflicts and to facilitate Owner's use of the premises and conduct of his normal operations.

PART 2 PRODUCTS

2.01 MATERIALS AND EQUIPMENT

A. Materials and equipment: As selected by contractor, except as indicated.

PART 3 EXECUTION

3.01 PREPARATION

A. Examine the areas and conditions under which site work is performed. Verify existing grades and dimensions. Report any discrepancies. Do not proceed with the work until unsatisfactory conditions are corrected.

B. Consult the records and drawings of adjacent work and or existing services and utilities which may affect site work operations.

02100-1

SECTION 02100

SITE PREPARATION

A. Perform site preparation work as shown and specified. The work includes:

1 Protecting existing trees, plants, and improvements to remain.

2. Removing vegetation, debris, and waste materials.

A. Comply with Section 02000 requirements.

1.03 PROJECT CONDITIONS

A. Perform site preparation work before commencing site construction.

B. Locate, protect and maintain active utilities and site improvements to remain.

C. Restore to original grades and conditions areas adjacent to site disturbed or damaged as a result of site preparation work.

2.01 MATERIALS

A. Materials and Equipment: As selected by the Contractor, except as indicated.

B. Tree Protection:

1. Temporary Fencing

2. Stockpiling of any materials under dripline of a tree is not permitted.

3.01 CLEARING

A. Protect existing trees scheduled to remain against injury or damage, including cutting, breaking or skinning of roots, trunks or branches, smothering by stockpiled construction materials, excavated materials, equipment or vehicular traffic within the branch spread. Fires are not permitted.

1. Protect designated trees with temporary fence enclosure. Provide a minimum 8’-0” radius from the center of the tree trunk. Increase enclosure size as directed for large trees.

2. Erect fencing before commencing site preparation work. Maintain fencing during full construction period. Remove when no longer needed or when acceptable to the City

02100-2

3. Interfering branches of trees to remain may be removed when acceptable to the City Representative. All pruning performed shall preserve the branch collar to facilitate wound healing (see Section 02490: Trees). The Contractor shall use no tree paint unless directed to do so by the City Representative.

4. Repair trees damaged by construction operations in a manner acceptable to the City

Representative. Repair damaged trees promptly to prevent progressive deterioration caused by damage.

5. Replace trees damaged beyond repair by construction operations, as determined by the City Representative, with trees of similar size and species. Cost for tree replacement shall be determined in accordance with the Tree Evaluation Formula as described in: A Guide to the Professional Evaluation of Landscape Trees, Specimen Shrubs and Evergreens, current edition, published by the International Society of Arboriculture. Repair and replacement of trees scheduled to remain and damaged by construction operations or lack of adequate protection during construction operations shall be at the Contractor's expense.

3.02 STRIPPING TOPSOIL

A. Strip topsoil to its full depth at all areas to be regarded, resurfaced, or paved within contract limit work area.

B. Stop topsoil stripping at trees designated to remain sufficient distance to prevent damage to the root system.

C. Remove topsoil from indicated areas and replace, fine grade, and seed in park as shown and to the satisfaction of the City Representative.

D. Protect all areas which are not to be resurfaced or regarded, and adjacent areas outside of the contract limits from damage due to site preparation work.

3.03 DISPOSAL OF WASTE MATERIALS

A. Stockpile, haul from site and legally dispose of waste materials and debris. Accumulation is not permitted.

B. Maintain disposal routes clear, clean and free of debris.

C. Onsite burning of materials is not permitted.

D. Existing Utilities:

1. Information on the drawings relating to existing utility lines and services is from the best sources presently available. All such information is furnished only for information and is not guaranteed. Excavate test pits as required to determine exact locations of existing utilities.

2. Contact Ohio Utilities Protection Service at 1-800-362-2764 twenty-four hours prior to digging.

3. Perform work and provide necessary materials to disconnect or relocate existing utilities as necessary. Record utility termination points before disconnecting.

02100-3

3.04 CLEANING

A. Upon completion of site preparation work, clean areas within contract limits, remove tools and equipment. Provide site clear, clean and free of materials and debris suitable for site work operations.

02149-1

SECTION 02149

WASTE DISPOSAL AND RECYCLING

A. The Columbus Recreation and Parks Department has implemented strict recycling and waste management policies for all waste materials removed from its parks and facilities as a result of construction and demolition activity. These include:

Asphalt Concrete, concrete block, concrete masonry units (CMU), slump stone and rocks Brick

Paper, including bond, newsprint, cardboard, mixed paper, packing materials, and packaging

Cement Fiber Products, including shingles, panels, siding Paint Rigid Foam Glass Plastics Tile flooring / Carpet and Pad Beverage Containers Insulation Gypsum Wallboard Porcelain Plumbing Fixtures Fluorescent Light Tubes Green materials (i.e. tree trimmings and land clearing debris).

Metals Soils Wood

B. The Contractor will be required to account for all waste materials removed from the Project, and to recycle, salvage, or reuse, to the maximum practicable extent, all of the materials listed above.

If the Contractor believes that recycling, salvage, or reuse of any of these materials is impracticable, the bidder must so inform Columbus Recreation and Parks before initiation of the Project, and secure written authorization for an alternative means of disposal.

C. The Contractor will be required to develop and maintain a plan which documents procedures to recycle, salvage, or reuse the materials listed above, including separation and recycling procedures and markets for each material recovered. This plan must also address training and communications, recordkeeping, and reporting requirements to assure that all waste materials are accounted for.

D. The owner retains the right to inspect, and subsequently approve or disapprove any and all recycling end markets, reuse or salvage outlets, and/or waste disposal facilities that are involved in the receipt of recyclables and/or waste materials generated from the Project. Disapproval of such a market or outlet may be based on past or current violations of federal or state environmental, health, or safety laws, improper disposal activities, risk or liability exposure, or any other reason deemed sufficient by Columbus Recreation and Parks.

E. The Contractor shall maintain records for each type of material removed from the job site

(including materials that are not recycled), provide the name(s) of specific end destinations for all materials removed (whether recycled or disposed of), and provide weights and measures of all materials removed. Every load of waste material must be weighed and these scale weights must be reported to the owner on a monthly basis, detailing material types and net weights

02200-1

SECTION 02200

EARTHWORK

A. Perform earthwork as shown and specified. The work includes:

1. Site grading and filling as necessary.

2. Topsoil distribution and finish grading.

3. Removing surplus, debris and waste material.

4. Furnishing and installing granular bases.

B. Perform earthwork in compliance with applicable requirements of governing authorities.

C. Materials and methods of construction shall comply with the following standards:

1. City of Columbus, Ohio (CCMS) Construction and Material Specifications, current edition.

2. American Society for Testing and Materials (ASTM).

A. Contact Ohio Utilities Protection Service (OUPS) @ 1-800-362-2764; City Electric at 645-7627 and City Water at 645-7788 forty-eight hours prior to digging.

B. Protect existing trees, plants, lawns and site features designated to remain.

C. Promptly repair damage to adjacent facilities and street caused by earthwork operations. All repairs shall be made at Contractor's expense.

D. Promptly notify the City Representative of unexpected subsurface conditions. Discontinue work until notification to resume work is provided by the City Representative.

E. Control dust, silt and mud run-off from the site. Install sediment ponds, fences and mud mats as necessary before beginning grading work.

A. All topsoil, fill and backfill material is subject to testing and inspection.

B. On-site Fill: Clean soil mixture free of foreign materials, organic material and debris. Suitable excavated materials removed to accommodate new construction may be used.

02200-2

C. Fill Materials: Inert subsoil material free or organic matter, rubbish, debris and rocks greater than 6" diameter.

D. Topsoil: Topsoil shall comply with CCMS and is subject to approval. On site topsoil meeting CCMS standards may be used.

A. Examine areas and conditions under which work is to be performed. Consult the records and drawings of adjacent work and of existing utilities and their connections for conditions, which may affect the work under this Section.

B. Establish extent of work by area and elevation. Designate and identify datum elevation. Set required lines, levels and elevations.

3.02 EXISTING UTILITIES

A. Before starting grading operations, establish the location and extent of underground utilities in the work area. Exercise care to protect existing utilities during earthwork operations.

B. Notify utility companies to remove and relocate lines and services that are in the way of construction.

C. Maintain, protect, relocate or extend as required existing utility lines to remain which pass through the work area or are uncovered by grading operations.

D. Accurately locate and record any rerouted lines on project record documents to be given to the

Owner.

3.03 STRIPPING TOPSOIL

A. Strip topsoil full depth from all proposed paved areas. Keep topsoil free from subsoil, debris and stones.

B. Store topsoil on site for use in finish grading. Place, grade, and shape stockpiles for proper drainage.

3.04 SITE GRADING

A. Perform grading within the contract limits, including adjacent transition areas, as indicated.

Provide subgrade surfaces parallel to finished surface grades. Provide uniform levels and slopes between new elevations and existing grades.

B. Grade surfaces to assure areas drain per existing drainage patterns and to prevent ponding and pockets of surface drainage. Provide subgrade surfaces free from irregular surface changes and as follows:

1. Rough Grading: Plus or minus 0.10 ft. subgrade tolerance. Finish required will be that ordinarily obtained from either blade-grader or scraper operations.

2. Provide subgrade surface free or exposed boulders or stones exceeding 4" in greatest dimension in path areas.

02200-3

3. Fill all areas of settlement to proper grade before subsequent construction.

4. Lawn Areas: Allow for 4" average depth of topsoil.

5. Paved Areas: Shape surface of subgrade areas to line and grade indicated. Provide compacted subgrade suitable to receive paving base materials. Subgrade tolerance plus or minus 1/2".

6. Granular Base: Grade subgrade surface smooth and even, free of voids to the required subgrade elevation. Provide compacted base suitable to receive granular base paving materials. Tolerance 1/2" in 1". Compaction may be subject to testing if required by City

C. Grading at Existing Trees:

1. Perform grading, within branch spread of trees by hand methods.

2. Cut roots cleanly to depth 3" below proposed finish grade.

3.05 EXCAVATING

A. Excavate for walks and paving to cross-sections, elevations and grades indicated. Allow for base material. Protect against freezing. Maintain free of water.

3.06 DRAINAGE

A. Provide drainage of the working area at all times.

3.07 FILLING, BACKFILLING AND COMPACTING

A. Scarify, dry and compact soft and wet areas. Remove and replace unsuitable subgrade materials with an approved compacted fill material.

B. Spread approved fill material uniformly in layers not greater than 8" of loose thickness.

1. Topsoil is not permitted as fill under paved areas.

2. Lift thickness requirements may be modified by City Representative to suit equipment and materials or other conditions when required to assure satisfactory compaction.

3. Maintain surface conditions which permit adequate drainage of rainwater and prevent ponding of surface water in pockets. When fill placement is interrupted by rain, remove wet surface materials or permit to dry before placing additional fill material.

C. Fill all areas of settlement to proper grade before subsequent operations are performed.

D. Compaction:

1. Provide compaction control for all fill and backfill.

2. Compact top 12" of subgrade and each layer of fill or backfill material at paving areas.

Extend compaction to extent of disturbance 6’ from centerline on each side.

3. Compact top 6" of subgrade and each layer of fill material at lawns and unpaved areas to

90% of maximum dry density at optimum moisture content in accordance with ASTM D698 Standard Proctor Method.

4. Water settling, puddling and jetting of fill as a compaction method are not acceptable.

5. Maintain moisture content of materials during compaction operations within required moisture range to obtain indicated compaction density.

6. Provide adequate equipment to achieve consistent and uniform compaction of fill and backfill materials.

02200-4

3.08 FINISH GRADING

A. Uniformly distribute and spread stockpiled topsoil. Provide 6" average depth at lawn areas.

Provide additional imported topsoil if required to complete the work.

B. Fine grade topsoil eliminating rough and low areas to ensure positive drainage.

C. Remove stones, roots, weeds and debris while spreading topsoil materials. Rake surface clean of stones 1" or larger in any dimension and all debris. Provide surfaces suitable for soil preparation provided under lawn work.

D. Manually install topsoil at trees to remain. Avoid damage to root systems.

E. Maintenance:

1. Protect finish graded areas from traffic and erosion. Keep free of trash and debris. Repair and reestablish grades in settled, eroded, and damage areas.

2. Where completed areas are disturbed by construction operations or adverse weather, scarify, reshape and compact to required density.

3.09 DISPOSAL OF WASTE MATERIALS

A. Stockpile, haul from site and legally dispose of waste materials including excess excavated materials, rock, trash and debris.

B. Maintain disposal route clean, clean and free of debris.

3.10 CLEANING

A. Upon completion of operations, clean areas within contract limits, remove tools and equipment.

Provide site clear, clean and free of debris.

02210-1

SECTION 02210

FINE GRADING

A. Perform fine grading as shown and specified. This work includes:

1. Topsoil and finish grading

B. Related work:

1. Section 02485: Seeding

A. Comply with Section 02000 requirements

B. Materials and methods of construction shall comply with City of Columbus, Ohio (CCMS) Construction and Material Specifications, current edition.

A. The Contractor shall visit the site and acquaint himself with all existing conditions. The Contractor shall be responsible for his own subsurface investigations, as necessary, to satisfy requirements of this Section.

B. Protect existing trees, plants and lawns designated to remain.

C. Promptly repair any damage to adjacent facilities. All repairs shall be made at

Contractor’s expense.

D. Verify all grades and contours established under earthwork operations are according to plans.

1.04 QUALITY ASSURANCE

A. Primary emphasis should be given to the aesthetic appearance and functioning of berms, mounds and swales. The Contractor shall employ skilled personnel and any necessary equipment to insure that finish grading is smooth, aesthetically pleasing, drains well and is ideal for receiving seed/sod and plant materials.

02210-2

A. Existing Topsoil: Use on-site material, free from debris, sod, biodegradable materials and other deleterious materials. The Contractor shall insure that all existing topsoil has sufficient percolation and surface drainage to support grass and plant material and that extreme compaction has not occurred in planting areas.

B. Imported topsoil shall be friable, fertile soil characteristic of productive soil, reasonable free of foreign matter, organic matter and debris.

A. Use all means necessary to prevent dust from operations from being a nuisance to adjacent property owners and ongoing programs. Methods used for dust control are subject to the approval of the City Representative.

B. Protect utilities and vegetation and other site amenities designated to remain.

C. Schedule all work in a careful manner with all necessary consideration for adjoining property owners and public.

3.02 FINE GRADING

A. Make minor excavation where necessary to obtain grades, percolation and surface drainage as required.

B. Remove entirely any obstructions after approval of the City Representative.

Remove and dispose of debris and excavated material not required.

C. Compact each layer of fill in designated areas to achieve a maximum density at optimum moisture. Compaction shall not exceed 85% maximum density in landscape/lawn areas.

D. Provide uniform levels and slopes between new elevations and existing grades.

E. Uniformly distribute and spread stockpiled topsoil. Provide additional imported topsoil as required to complete the work. Use loose, dry topsoil. Do not use frozen or muddy topsoil. Place in dry weather.

F. Remove stones, roots, weeds and debris while spreading topsoil.

G. Grade surfaces to assure areas drain; prevent ponding and pockets of surface drainage. Allow for 6” depth of topsoil in lawn areas. Topsoil shall be scarified to a depth of 3” for seed or sod.

02210-3

H. Perform fine grading at existing trees by hand methods (within branch spread).

Cut roots cleanly to a depth of 3” below proposed finish grade.

3.03 CORRECTION OF GRADE

A. Bring to required grade levels areas where settlement, erosion or other grade changes occur. Adjust grades as required to carry drainage away from buildings and to prevent ponding.

B. Remove all rock/stones or objectionable material larger than 1”. Rake surface suitable for landscaping and lawn work.

C. Protect finish graded areas from traffic and erosion. Contractor is responsible for stabilizing grades and for cleanup of any washouts. Where construction operations or adverse weather disturbs completed areas, scarify, reshape and compact to required density.

3.04 CLEANING

A. Stockpile, haul from site and legally dispose of waster materials including rock, trash and debris. Maintain disposal route clean and free of debris.

B. Upon completion of operations, clean areas within contract limits, remove tools and equipment.

02220-1

SECTION 02220

SITE DEMOLITION

A. Perform site demolition work as shown and specified. The work includes:

1. Pavement and curb removal as shown

2. Protecting existing trees.

B. Related work:

1. Section 02000: Site Work

2. Section 02210: Fine Grading

B. Comply with all applicable local, state and federal requirements regarding materials, methods of work, OSHA guidelines and disposal of excess waste material.

C. Obtain and pay for all required inspections, permits and fees, including disposal fees. Provide notices required by government authorities.

D. Utility Closures: At least two working days before beginning demolition, the Contractor shall notify OUPS at 1-800-362-2764. Non member utilities must be notified individually. Coordinate tennis court lighting disconnect with owner.

A. Contractor shall visit site to determine the extent or work prior to bidding.

B. Locate, protect and maintain active utilities and site improvements to remain.

Repair damaged utilities to the satisfaction of the utility owner at no expense to the City of Columbus.

C. Should uncharted or incorrectly chartered utilities be encountered during operations, notify the applicable utility company immediately for procedure directions.

D. Secure a safe job site before commencing work.

E. Restore to original grades and conditions areas adjacent to site disturbed or damaged as a result of work.

02220-2

F. Conduct operations and removal of excess and waste materials to assure minimum interference with streets, and other adjacent occupied or used facilities. Comply with government requirements for trucking of materials, including standing, parking, traffic routes and covering of open trucks.

G. Do not close or obstruct streets and adjacent facilities without permission of authorities having jurisdiction. Construction access shall be from the west side of the courts.

H. Control dust caused by work. Moisten surfaces as required. Comply with pollution control regulations of governing authorities.

A. Materials and Equipment: As selected by the Contractor, except as indicated.

B. Tree protection: Temporary fencing. Stockpiling of any materials within the drip line of a tree is not permitted. All trees are to remain.

A. Protect existing trees scheduled to remain against injury or damage, including cutting, breaking or skinning of roots, trunks, or branches: smothering by stockpiled construction materials, excavated materials or vehicular traffic within branch spread. Fires are not permitted.

1. Protect designated trees with temporary fence enclosure. Provide a minimum 8’ radius from the center of the tree trunk. Increase the enclosure size to incorporate the drip line for large trees.

2. Erect fencing before commencing site work. Maintain fencing during the full construction period.

3. Interfering branches of trees scheduled to remain may be removed when acceptable to City Representative.

4. Repair trees damaged by construction operations in a manner acceptable to the City Representative. Repair damaged trees promptly to prevent progressive deterioration caused by damage.

5. Replace trees damaged beyond repair by construction operations, as determined by the City Representative, with trees of similar size and species.

Cost for tree replacement shall be determined in accordance with the Tree Evaluation Formula as described in "A Guide to the Professional Evaluation of Landscape Trees, Specimen Shrubs, and Evergreens", published by the

02220-3

International Society of Arboriculture. Repair and replacement of trees scheduled to remain and damaged by construction operations or lack of adequate protection during construction operations shall be at the Contractor's expense.

3.02 DEMOLITION

A. Remove existing pavement and curbs where required, including base material as shown on the drawings. Breakout along a minimum 1” deep diamond saw-cut, make saw cuts in uniform straight lines defining areas to be removed. In areas of new pavement, existing base material may be reused. 6” min. topsoil is required to meet finished grade in areas where pavement is eliminated.

3.03 STRIPPING TOPSOIL

A. Strip topsoil to its full depth at all areas to be regraded, or paved.

B. Remove topsoil from indicated areas and replace, fine grade and seed as shown.

C. Protect all areas which are not to be paved or seeded.

3.04 DISPOSAL OF WASTE MATERIALS

A. Stockpile, haul from site and legally dispose of waste materials and debris accumulation is not permitted.

B. Maintain disposal routes clear, clean and free of debris.

C. On-site burning of materials is not permitted.

3.05 CLEANING

A. Upon completion of site preparation work, clean areas within contract limits, remove tools and equipment. Provide site clear, clean and free of materials and debris suitable or site work operations.

02485-1

SECTION 02485

SEEDING

A. Provide seeded lawns in disturbed areas and as specified. The work includes:

1. Soil preparation.

2. Seeding indicated areas.

3. Maintenance.

B. Related Work:

1. Section 02210: Fine Grading

A. Submit seed vendor's certification for required grass seed mixture, indicating percentage by weight and percentages of purity, germination and weed seed for each species for approval by City

B. Submit type of fertilizer proposed for use for approval by City Representative.

1.04 DELIVER, STORAGE AND HANDLING

A. Deliver seed and fertilizer materials in original, unopened containers showing weight, analysis and name of manufacturer. Store in a manner to prevent wetting and deterioration.

B. Store materials at site in an orderly manner at location acceptable to the City Representative.

1.05 PROJECT CONDITIONS

A. Work Notification: Notify City Representative at least 7 working days prior to start of seeding

B. Protect existing utilities, paving and other facilities from damage caused by seeding operations.

C. Perform seeding work only after planting and other work affecting ground surface has been completed.

D. Provide hose and lawn watering equipment as required.

E. Install seeded lawns between April 1 to June 1, or August 15 to October 5.

02485-2

1.06 WARRANTY

A. Provide a uniform stand of grass by watering, mowing, regrading and reseeding eroded areas, and maintain seeded areas until final acceptance. Reseed areas, which fail to provide a uniform stand of grass at Contractor's expense until the City Representative accepts all affected areas.

A. Lawn Seed: Fresh, clean and new crop seed mixture. Each seed type certified.

1. Mixed by an approved method.

2. Composed of the following varieties mixed to the specified proportions by weight and tested to a minimum percentage of purity and germination.

Certified 50% Improved Tall Fescue Certified 50% Kentucky Bluegrass

Submit list of not less than 3 types of improved tall fescues in mix for approval.

3. Test for germination made within preceding 6 months. Not to exceed 0.25% weed seed.

Seeding rates shall be determined by the percent pure live seed, where PLS = % pure seed x % germination x 100.

B. Fertilizer: Granular

1. Seed bed application containing one (1) pound of actual Nitrogen per 1000 sf and

Phosphorous i.e., 10-10-10 NPK starter ratio.

C. Water: Free of substance harmful to seed growth, Hoses and other methods of transportation furnished by the Contractor.

3.01 INSPECTION

A. Examine finish surfaces, grades, topsoil quality and depth. Do not start seeding work until satisfactory conditions are corrected.

3.02 PREPARATION

A. Verify limits of each type of lawn material with the City Representative in the field before starting lawn work. Prepare areas to be seeded in neat, workable sizes.

B. Limit preparation to areas that will be immediately seeded.

C. Grade lawn areas to a smooth, free draining, even surface with a loose, moderately coarse texture.

Roll, scarify, rake and level as necessary to obtain true, even lawn surfaces and fill depressions as required to drain. Correct irregularities in the surface resulting from tilling to prevent formation of depressions.

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D. Cultivate soil to provide a firm bed a minimum of 4" deep, free of clods, stones or foreign matter over 1" in diameter from the top 4" of soil. Do not move heavy objects except necessary lawn making equipment over the lawn after the soil is prepared unless it is again loosened and graded. Remove all stones greater than 1" in diameter during cultivation. Level undulations or irregularities in the surface.

E. Apply fertilizer just prior to seeding to indicated turf areas at a rate equal to 1 lb. of actual nitrogen per

1,000 sq. ft.

F. Apply fertilizer by mechanical rotary or drop type distributor, thoroughly and evenly incorporated with soil to a depth of 3" by discing or other approved method. Fertilize areas inaccessible to power equipment with hand tools and incorporate into the soil.

G. Restore prepared areas to specified condition if eroded, settled or bed has become muddy or excessively dry or otherwise disturbed after fine grading and prior to seeding.

3.03 INSTALLATION

A. Seed immediately after preparation of bed. Spring seeding between April 1 and June 1.

Fall seeding between August 15 and October 5 or approved time by City Representative.

1. Perform operations when soil is dry and winds do not exceed 5 miles per hour.

B. Seed indicated areas within contract limits and areas adjoining contract limits disturbed as a result of construction operations.

C. Sow grass seed at a rate of 7 lbs. per 1,000 sq. ft. with spreader or seeding machine. Evenly distribute seed by sowing equal quantities in 2 directions at right angles to each other.

D. After seeding, rake or drag surface of soil lightly to incorporate seed into top 1/8" of soil.

Roll with light lawn roller.

E. During germination period, protect and water seeded areas every other day, unless precipitation keeps seeded area wet, maintain top 1/2" to 1" of soil mixture.

3.04 MAINTENANCE

A. Water is required to maintain adequate moisture in the upper 4" of soil.

B. Maintain seeded lawns including watering, mowing and reseeding until a full uniform stand of grass free of weeds is achieved and accepted by the City Representative.

1. Repair, rework and reseed all areas that have washed out or do not catch.

3.05 ACCEPTANCE

A. Seeded areas will be inspected at completion of installation and accepted subject to compliance with specified materials and installation requirements.

B. Upon acceptance, the Owner will assume lawn maintenance.

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3.06 CLEANING

A. Perform cleaning during installation of the work and upon completion of the work. Sweep and hose down paved surfaces affected by lawn work operations.

B. Repair damage resulting from seeding operations.

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SECTION 02513

ASPHALTIC CONCRETE STRIPING

A. Provide asphaltic concrete striping as needed. The work includes:

1. Cleaning and Preparation.

2. Striping.

3. Installation of Parking Blocks.

4. Installation of ADA parking signs.

B. Materials and methods of construction shall comply with the City of Columbus, Ohio, Construction and Material Specifications (CCMS); current edition and as specified.

A. Submit complete materials list of items proposed for the work and identify materials source.

1.04 DELIVERY, STORAGE AND HANDLING

A. Deliver products in manufacturer's original unopened and undamaged containers with labels intact and legible.

B. Store and handle manufactured products to prevent damage and deterioration.

1.05 PROJECT CONDITIONS

A. Weather limitations:

1. Do not install striping materials over wet or frozen surface.

B. Provide temporary barricades and warning lights as required for protection of work and public safety.

C. Protect adjacent work from damage, soiling, and staining during paving operations.

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A. Parking blocks:

1. Precast reinforced, concrete 6" x 10" x 8' - 0" or per plan with a minimum of 2 anchor pin holes. Provide 5/8" diameter x 36" length steel pins for anchoring.

B. Pavement marking paint:

1. Factory-mixed, quick-drying, non-bleeding paint specifically formulated for marking asphaltic concrete surfaces, yellow, white, and blue (ADA) colors.

C. Signage:

1. Free standing metal signs per ADA requirements (includes $500 fine) for each designated handicap parking bay. (1 bay must be signed Van Accessible)

2. 10’ – 0” Steel U-channel Sign Post, hot-rolled with baked enamel green finish, pre-punched 3/8” mounting holes on 1” centers.

2.02 EQUIPMENT

A. Any equipment necessary for proper installation.

A. Examine installation conditions. Do not start work until unsatisfactory conditions are corrected.

A. Thoroughly clean finished asphalt surfaces before applying striping and markings.

Remove loose materials, dirt and dust.

3.03 INSTALLATION: GENERAL

A. Comply with ODOT 401/Asphalt Institute Manual for material storage, control and mixing, and for plant equipment and operation.

3.04 INSTALLATION: SURFACE MATERIALS

A. Install parking blocks in quantities and locations indicated per plan. Anchor securely in place with galvanized pins driven flush with top of parking block.

B. Install signs in quantities and locations indicated per plan.

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3.05 PAVEMENT STRIPING AND MARKING

A. Apply two coats of marking paint, at manufacturer's recommendation rates, with mechanical equipment. Provide uniform lines with straight edges, 4" minimum width.

B. Provide standard lines, lettering, and markings to define standard parking spaces and ADA parking spaces. Provide signs per ADA for each parking space where not existing.

3.06 PROTECTION

A. Protect striping from damage due to construction and traffic until final acceptance.

3.07 CLEANING

A. Perform cleaning during installation of the work and upon completion. Remove from site all excess materials, debris and equipment. Repair damage resulting from construction

02514-1

SECTION 02514

ASPAHLT COURT REPAIR AND OVERLAY

A. Perform asphalt repair and overlay as needed and specified. The work shall include:

1. Surface preparation.

2. Powerwashing

3. Leveling/raising existing pavement surfaces.

4. Patch and Filling cracks.

5. Paving Fabric.

6. Asphalt overlay.

7. Installation of net posts, nets, and net anchors.

8. Installation of Basketball Goals.

B. Related Work:

1. Section 02516: Color coating

B. Materials and methods of construction shall comply with the City of Columbus, Ohio, Construction and Material Specifications (CCMS), current edition, and as specified.

C. Provide material furnished by a bulk asphaltic concrete producer regularly engaged in the production of hot-mix, hot-laid asphaltic concrete paving materials.

D. The Contractor shall furnish a certificate of insurance and have a minimum of five years experience in building and surfacing tennis courts. Materials and methods of construction shall also comply with the U.S. Tennis Court and Track Builders Association.

A. The Contractor shall examine the work prior to performing work.

B. Do not repair or install surface coatings if rainfall in imminent or when temperature is below 50 degrees Fahrenheit. Do not apply to wet base surface.

C. Grade Control: Establish and maintain the required lines and grades, including crown, inverted crown and cross-slopes for each course during paving operations.

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A. Paving Crack Filler: Armor Crack Repair System.

B. Acrylic Primer: non-yellowing, clear.

C. Resurfacer: Dynaflex Acrylic Resurfacer.

D. Aggregate fill: CCMS 304

E. Paving Fabric.

F. Asphalt Overlay (sports courts):

a. Asphalt Tack Coat: CCMS #407

b. Scratch Course: CCMS #404

c. Paving Fabric: Marifi #900 or equal

d. Surface Course: Compacted #404-100% limestone aggregate and sand

e. Resurfacer: See Colorcoat Section

2.02 ACCESSORIES

A. Soil Sterilizer: Granular weed growth inhibiting type herbicide, labeled for use under asphaltic concrete pavement surfaces. Material shall not damage adjacent trees and plants.

B. Sand: Sand shall be clean, dry, pure silica sand, free of clay, trash particles and other contaminants. It shall have an A.F.S. rating of 70 to 90.

C. Tennis post sets: Two internal wound posts with removable handles, complete with 24” Steel

Ground Sleeves. 3” OD round extra heavy 7-gauge steel post with welded lacing rods for securing the net to the post. Dark green color. Douglas Systems DTP-37, or equal, available from: Total Tennis (614) 488-5004 or M&D Blacktop (614) 875-9989.

D. Tennis net sets: 42' x 3'-3" black 3.5-mm black netting with side wooden dowels. Nets must include vinyl coated galvanized steel cable with double swaged end loops and double ply headband, bottom and side reinforced side pocket tapes.

1. Include adjustable center strap with rust resistant swivel loop snap and cam buckle with each set.

2. Three year warranty on nets.

E. Pickleball post sets: Two internal wound posts with removable handles, complete with 24” Steel Ground Sleeves. 3” OD round extra heavy 11-gauge steel post with welded lacing rods for securing the net to the post. Dark green color. Douglas Systems RD-36, or equal, available from:

Total Tennis (614) 488-5004 or M&D Blacktop (614) 875-9989.

F. Pickleball net sets: 36” x 21'-9" black 3.0-mm black netting with side wooden dowels. Nets must include vinyl coated galvanized steel cable with double swaged end loops and double ply headband, bottom and side reinforced side pocket tapes.

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1. Include adjustable center strap with rust resistant swivel loop snap and cam buckle with each set. Item# 20600.

2. Three year warranty on nets.

E. Net anchors: No. 4 galvanized reinforcing rod, 10" length with 2" round pin top.

F. Basketball Goals: To be furnished and installed per details.

Available from Fortin Ironworks 614-291-4342. Or equal.

G. Concrete: ASTM 694 ready mixed concrete, minimum 28 day compressive strength of 2,500 psi, air entrained 2% to 4% (footings).

A. Examine grades and installation conditions. Do not start asphaltic concrete paving work until grades are raised at corners. Contractor to shoot grades for verification. The work includes:

1. Removal of fence, net posts, anchors.

2. Repairing pavement seams

3. Leveling existing pavement surfaces

4. Overlay of existing courts.

B. Remove all loose material and debris from base surface.

C. Remove nets and deliver to 1533 Alum Industrial Drive, 43209 (CRPD Warehouse).

D. Cut perimeter of deteriorated areas to full depth of existing asphalt with clean even joint in a square or rectangular opening. Excavate to a depth of 4”.

H. All vegetations shall be removed from surface and weed killer applied.

I. All surfaces shall be thoroughly cleaned to remove all foreign debris using mechanically powered forced air blowers, brooms and scrapers.

G. All buildings, walks, fences, trees shall be protected. Any damage incurred shall be replaced by the Contractor at no additional cost and to the approval of the City

3.02 INSTALLATION: GENERAL

A. Comply with ODOT 401/Asphalt Institute (Al) Ms-3 Asphalt Plant Manual for material storage, control and mixing, and for plant equipment and operation.

B. Transport asphaltic concrete mixtures from the mixing plant to the project site in trucks tight, clean compartments.

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3.03 INSTALLATION: PAVEMENT REPLACEMENT

A. Fine grade and re-compact existing base of areas excavated for patch.

B. Install additional base if necessary. Install base stone in areas to be raised.

B. Install 4” compacted #404 and roll.

C. Seal joints between patch of existing pavement with hot AC-20 liquid asphalt.

3.04 INSTALLATION: CRACK FILLER

A. All major cracks are to be routed to a min. width of 1" x 1" in depth.

B. Fill with hot poured rubber crack filling material to the level of the existing surface. Cracks shall be filled completely, if settling occurs, apply a second application.

C. Cracks over 1/2" diameter must be cleaned out, routed and filled with asphalt patch material.

3.05 INSTALLATION: OVERLAY

A. Clean surface with compressor and broom.

B. Apply tack coat to entire cleaned surface at rate of .25 gallons per square yard.

D. Lay leveling course of ½” to 1 ½” compacted #404 asphalt as required.

E. Apply tack coat to entire surface at a rate of 25 gallons per square yard.

F. Lay paving fabric to entire surface as required. Overlap edged approximately one foot. Tack coat over fabric, if necessary.

G. Apply top course of 1 1/2" #404 asphalt –100% Limestone Modified Tennis Court Blacktop Mix.

Place materials in strips and extend rolling to overlap.

H. Prior to application of a color finish system, the court surface shall be flooded with water and allowed to drain for one hour at 70 degrees Fahrenheit. If there is any remaining water that covers a 5 cent piece (American coin), that area, commonly called a “birdbath,” shall be patched and leveled in accordance with recommendations of the manufacturer of the color finish system specified. (Note: If the standing water does not cover a 5-cent piece, it is considered within tolerance and will evaporate within a reasonable time.) Reflooding and patching may be necessary until “birdbaths” are properly minimized.

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3.06 INSTALLATION: POSTS, NET AND ANCHORS

A. Tennis net posts shall be set in sleeves. Sleeves set to a minimum of 24" deep, in 48" depth concrete footings. Leave concrete down 1 ½" and level off to grade with surface course (404).

B. Tennis net anchors shall be set in concrete prior to surface course.

C. Tennis nets shall be installed after sealing is completed. Set nets at proper height according to

USTA requirements. Attach center strap and secure to net anchor. Nets shall be tightened, crank handle removed and handed to City Representative.

3.07 INSTALLATION: BASKETBALL GOALS

A. Install per details.

3.08 COLORCOAT/SEALING

A. See Section 02516.

3.09 CLEANING

A. Perform cleaning during installation of the work and upon completion. Remove all excess materials and debris from the site.

02514-1

SECTION 02514

ASPHALT SEALANT

A. Perform asphalt sealant as specified. The work includes:

1. Surface preparation.

2. Patch and Filling cracks.

3. Pavement striping and markings.

1.02 QUALITY ASSURANCE

A. All work shall be in strict accordance with manufacturer's specifications.

B. Comply with Section 02513 requirements.

A. The Contractor shall examine the work prior to submitting…