Specifications.pdf

Div. 1 V. 2023-11-11 Page | 1

Pictured Rocks National Lakeshore

N8391 Sand Point Road, Munising MI 49862

Replace Flooring Munising Maintenance Facility

PMIS 219919

PROJECT SPECIFICATIONS

NATIONAL PARK SERVICE

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Replace Flooring, Munising Maintenance Facility 219919

TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

Section 01 10 00 - Division 01 Short Form General Requirements

DRAWINGS & PHOTOGRAPHS

1. Photos of current floor and building drawings Appendix A

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SECTION 01 10 00

DIVISION 1 SHORT FORM GENERAL REQUIREMENTS

PART 1 – GENERAL

ITEM 1 - DESCRIPTION OF WORK

1.1 Background: The Munising Maintenance Facility was built in 1996 and serves as the main base of operations for all maintenance related activities that occur within Pictured Rocks National Lakeshore. Pictured Rocks sees visitation nearing one million visitors per year and completes projects ranging up to three million dollars per year. The flooring and baseboards in the maintenance facility are from its original construction and are showing signs of its 28 years of wear. Carpets are stained, flooring is worn, and rubber baseboard is peeling from walls.

1.2 Work Covered by the Contract Documents:

A. Project Location: E9758 County Hwy H-58, Munising MI, 49862. Alger County MI.

B. Work consists of: Removal, disposal, and replacement of approximately 310 sf of high traffic carpet to be replaced with Philadelphia Commercial brand 18”x36” carpet tiles Successive collection, Color screw 84505 or equal, approximately 990 sf of glue down vinyl tile flooring to be removed and replaced with Armstrong brand 18”x36” luxury vinyl tile flooring terra collection, color Palazzo Grigio ST556 or equal, approximately 522 linear feet of rubber wall baseboard to be replaced with Armstrong 4” tall rubber baseboard color griege R41GR or equal, and 5 rubber doorway transition pieces for carpet to tile to match rubber baseboard color griege or equal. All measurements are approximate. It is the contractor’s responsibility to ensure quantities and measurements are correct.

Work Consists of:

1. Removal, disposal, and replacement of approximately 110 sf of high traffic carpet, approximately 28sf of glue down vinyl tile, approximately 64 lineal feet of rubber wall baseboard, and two rubber transition pieces from carpet to tile in the foreman's office.

2. Removal and disposal of approximately 110 sf of glue down vinyl tile flooring and replacement with approximately 110 sf of high traffic carpet, removal, disposal, and replacement of approximately 52 lineal feet of rubber wall base board, and one rubber transition piece from carpet to tile in Trail supervisors’ office.

3. Removal, disposal, and replacement of approximately 90 sf of high traffic carpet, approximately 38 lineal feet of rubber wall baseboard, and one rubber transition piece from carpet to tile in the operator's office.

4. Removal, disposal, and replacement of approximately 962 sf of glue down vinyl flooring, approximately 368 lineal feet of rubber wall baseboard, and one rubber transition piece throughout maintenance hallways, locker rooms, and breakroom.

5. Park staff will remove current furniture and equipment from work zone prior to work beginning and will return furniture and equipment to its original place

Page | 4 following the completion of project. Contractor to notify COR at least 48 hours prior to needing furniture and equipment moved from spaces.

6. The project must be completed in one phase and in no more than 10 calendars days. Due to this being an active maintenance shop that is necessary to keep all park maintenance activities on track, the project must be completed no more than 10 calendar days from actual start date. The contractor cannot do portions of the project as it fits into their schedule. The contractor will have full access to all areas of this building for 10 days to complete all on site work.

C. All work will be performed under a single contract.

D. Period of performance: Work shall be completed within 120 calendar days of the start date provided on the Notice to Proceed.

E. All products shall be installed per the manufacture’s specifications/instructions to ensure compliance with manufacture’s warranties.

1.3 Suggested Products

A. Suggested Product: Philadelphia Commercial Brand, Carpet Tiles Successive Collection

Brand name or “or equal” requirement, must meet or exceed, based on the following specifications:

Quantity: 310 Sq Ft.

Manufacturer: Philadelphia Commercial Brand Part/Product Number: 18” x 36” Carpet Tiles Successive Collection 54884 Color: Screw 84505

Products of other manufacturers in compliance with criteria are acceptable based on prior approval by Contracting Officer’s Representative (COR).

a. Acceptable Manufacturers:

1) J&J Industries

2) Interface

3) Mohawk

4) Tarkett (formerly Tandus-Centiva)

5) Other Approved Equals

6) Philadelphia Commercial (Shaw)

Salient Characteristics:

Construction: Tufted.

Color: Screw 84505 Fiber Type: 100% Eco Solution Q100™ Nylon Pile Characteristic: Loop.

Density: 8,348 oz./cu. yd.

Pile Thickness: 0.208 inches Dye Method: Solution Dyed.

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Stitches: 11 per inch.

Gauge: 1/10 (6.4 rows per inch of width).

Tufted Pile Weight: 39.37 oz/sq. yd.

Backing System: Synthetic Size: 18 by 36 inches.

Applied Treatments:

Soil Release Treatment: SSP Shaw Soil Protection Stain Release Rating: GSA pass.

Sustainable Design Requirements:

Sustainable Product Certification: Gold level certification according to ANSI/NSF 140.

10 year manufacturer warranty from the date of installation

Performance Characteristics:

Appearance Retention Rating: Severe traffic, 3.5 minimum according to ASTM D7330.

Flammability: ASTM E 648 Class I (glue down) Smoke Density: ASTM E 662 less than 450.

Electrostatic Propensity: Less than 3.5 kV according to AATCC 134.

B. Suggested Product: Armstrong Brand Luxury Vinyl Tile Flooring

Quantity: 990 Sq Ft.

Manufacturer: Armstrong Brand Part/Product Number: 18” x 36” Luxury Vinyl Tile Flooring Terra Collection Color: Palazzo Grigio ST556

Salient Characteristics:

Description: A layered construction consisting of a tough, clear, rigid vinyl wear layer protecting a high-fidelity print layer on a solid vinyl backing. Protected by a diamond-infused UV-cured polyurethane finish, the wear surface is embossed with different textures to enhance each of the printed visuals. Colors are insoluble in water and resistant to cleaning agents and light.

Reference specification - ASTM F 1700, “Standard Specification for Solid Vinyl Tile", Class III, Type B – Embossed Surface. Meets requirements for size, squareness, thickness, thickness of wear layer, residual indentation, resistance to chemicals, resistance to light and resistance to heat.

Pattern and Color: Palazzo Grigio ST556 Size: [18 in. x 36 in. (457 mm x 914 mm)] [18 in. x 18 in. (457 mm x 457 mm)].

Wear layer thickness: 0.020 in. (0.5 mm).

Thickness: 0.100 in. (2.5 mm).

20 year manufacturer warranty from the date of installation

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C. Suggested Product: Armstrong 4” tall rubber baseboard

Quantity: 522 Linear Feet Manufacturer: Armstrong Brand Part/Product Number: 4” tall rubber baseboard Color: Griege R41GR

Salient Characteristics:

For top set wall base: [Provide 1/8 in. (3.18 mm) thick, 4 in. (10.16 cm) high Armstrong Flooring Wall Base with a matte finish, conforming to ASTM F 1861, Type TP - Rubber, Thermoplastic, Group 1 - Solid, Style B – Cove.] [Provide 1/4 in. (6.35 mm) thick, 4.5 in. (11.43 cm) high Armstrong Flooring Color-Integrated Wall Base with a matte finish, conforming to ASTM F 1861, Type TP - Rubber, Thermoplastic, Group 1 - Solid, Style A – Straight.

ITEM 2 – PROTECTING EXISTING UTILITIES

2.1 Protecting Existing Utilities: Notify Contracting Officer (CO), Contracting Officer’s Representative

(COR) and utility companies as required to request location services prior to and to coordinate any excavation/digging operations, and/or for demolition if within Scope of Work.

2.2 Contractor shall be responsible for locating and preventing damage to known utilities on site or indoors. If contractor damage occurs, alert CO and COR as soon as safely possible, and repair utility at no additional expense to the Government. If damage occurs to an unknown utility, contact CO and COR as soon as safely possible.

2.3 Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Government or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated below:

A. Notify CO and COR not less than two business days in advance of proposed utility interruptions.

B. Hours for Utility Shutdowns: Shutdowns shall not exceed 2 to 3 hours. Temporary provisions will be needed by the Contractor for periods longer than stated allowance or if required for critical systems as determined by COR.

ITEM 3 - CONTRACTOR’S USE OF PREMISES

3.1 Conduct of Operations: At all times the contractor shall conduct his operations in conformance with the rules and regulations promulgated by the Secretary of the Interior for the National Park Service, and applicable park rules and regulations prescribed by the Park Superintendent.

Superintendent's Compendium - Pictured Rocks National Lakeshore (U.S. National Park Service) (nps.gov)

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A. Communications: Contractor shall provide the Contracting Officer and COR with methods of communications including land and/or cell phone numbers (note some areas of work have limited service coverage), email and in case of emergency 24-hour contact options for duration of time operations.

B. No signs or advertisements (except those specified herein and as required for safety) shall be displayed on the construction site or within the park unless approved by the Contracting Officer.

C. Smoking is not permitted within any Federal building or within 25 feet of entrances, operable windows, or outdoor air intakes.

3.2 On-site work hours: Work shall be generally performed during normal business working hours of

7 a.m. to 3:30 p.m., Monday through Friday, except when otherwise indicated.

A. Work on Saturdays, Sundays, Federal holidays, early morning, or at night may not be performed without prior consent from the CO and COR. Submit requests for work outside of the stated normal business hours to the CO and COR for approval at least 48 hours in advance of the work.

The following Federal holidays are observed by the National Park Service:

New Year Day Martin Luther King, Jr’s Birthday Washington’s Birthday Memorial Day Juneteenth National Independence Day Independence Day Labor Day Columbus Day Veterans Day Thanksgiving Day Christmas Day

B. Note: Any of the above holidays falling on a Saturday will be observed on the preceding Friday; holidays falling on Sunday will be observed on the following Monday. The specific day that each holiday is recognized for each year can be found at the following site: Federal Holidays (opm.gov).

3.3 Contractor Use of Site:

A. General: Contractor shall have limited use of the site for construction operations. Limit use of premises to construction area as shown on site plan below. Do not disturb portions of Project site beyond areas in which the Work is indicated.

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B. Driveways and Entrances: Keep driveways, access roads, and entrances serving premises clear and available to Government, Government's employees, and emergency vehicles at all times. Do not use these areas for parking or storage of materials. Schedule deliveries to minimize use of driveways and entrances.

C. Utilities

1. General: Cost or use charges for temporary facilities shall be included in the Contract Sum as required.

2. Water Service: Water from existing water system is available for use without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations without any additional permit costs. Use resources wisely and minimize waste of water.

3. Electric Power Service: Electric power from existing system is available for use without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations without any additional permit costs. Power may or may not meet your construction power tool requirements, provide generators if questionable. Use power in a resourceful manner and avoid excess power waste.

4. Waste Operation:

a. Toilets: Toilets: Contractor shall be able to use the existing restroom facilities at the

Maintenance Facility. The restroom facilities shall be kept in immaculate condition. At the discretion of Park personnel and/or COR; contractor may lose the use of the restroom facilities if they are not kept clean and orderly. Restroom use will be a “One strike and you’re out” policy.

1. If restroom privileges are revoked Contractor will be required to provide a toilet for contracting personnel, sufficiently lighted and ventilated toilet facilities in weatherproof, sight proof, handicap accessible (if required), sturdy enclosures with privacy locks. Coordinate with COR for approved location.

b. Waste Removal / Recycling: Contractor is responsible for removing all waste created by the project. Contractor shall recycle to the highest degree possible and empty dumpsters as necessary to avoid debris on site. Locate as shown on site plan or coordinated with COR.

D. Security and Protection facilities:

1. Environmental Protection: Provide protection, operate temporary facilities, and conduct construction in ways and by methods that comply with state and federal environmental regulations and that minimize possible air, waterway, and subsoil contamination or pollution or other undesirable effects.

2. Cleaning of Equipment: The Contractor shall ensure that prior to moving on to the Project Area, all equipment, is free of soil, seeds, vegetative matter, or other debris that could contain or hold seeds. Ensure that all equipment has been pressure washed and is free of exotic species prior to start-up of operations and moving of equipment to Project Area.

Equipment shall be considered free of soil, seeds, and other debris when a visual inspection does not disclose such material. Disassembly of equipment components or specialized inspection tools are not required.

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3. Tree and Plant Protection: N/A.

4. Pest Control: Follow best practices to minimize attraction and harboring of rodents, roaches, and other pests and to perform extermination and control procedures at regular intervals so Project will be free of pests and their residues at project completion. Perform control operations lawfully, using environmentally safe materials.

5. Temporary Enclosures: N/A

3.4 Storage - Staging Areas:

A. Confine Storage of materials and equipment to the project staging area noted on the plans/aerial. Specific storage units shall be provided by the contractor and exact location within staging area may be discussed at the preconstruction briefing. All storage units provided by the contractor shall be in a clean and acceptable condition to the COR. Security of the materials and equipment on site is the Contractor’s responsibility. Contractor will be given area of parking lot for staging and parking see site map below.

3.5 Preservation of Natural Features: N/A.

3.6 Hauling Restrictions: Contractor shall verify and be responsible for the path accessing the site and obtaining / maintaining all local, state and federal permits/licenses associated with hauling/road requirements and dumping of materials associated with the project.

3.7 Housekeeping:

A. Keep project neat, orderly, and in a safe condition at all times.

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1. Dispose of waste materials and recycling legally outside the park. The contractor shall not use park dumpsters

2. Address Recycling: Government goal is to salvage and recycle as much nonhazardous construction waste as possible. Use sustainable methods to extent possible during this project, recycling material as is probable with local means. Maintain accurate documentary records for submittal of all recycled materials used including fly ash and slag cement.

3.8 Occupancy Requirements for Buildings:

A. Existing Buildings:

1. Full Government Occupancy: Government will occupy buildings that will be under construction during the entire contract period. Cooperate with Government during construction operations to minimize conflicts and facilitate Government usage. Perform the Work so as not to interfere with Government's day-to-day operations. Maintain existing exits, unless otherwise indicated.

a. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission from the CO or COR.

b. Maintain existing building in a weather tight condition throughout construction period. Repair damage caused by construction operations. Protect building and its occupants during construction period.

B. New /Existing Buildings Unoccupied: N/A

3.9 Photo Documentation:

A. Contractor must provide existing condition, progress, and completion photos. All photos shall be in focus, show maximum range of depth of field general photo and then close up detail photo as needed. Shall be in JPEG digital form and submitted preferably electronically by email or optional via CD-R Archival Gold or DVD-R Archival Gold media with printed labels and 8 mega pixels minimum within 7 days from time of taken or as approved by COR.

B. Existing Condition Images:

1. Before starting construction, take color, dated, digital images of project site and adjacent property/roads/etc. that may be impacted by construction activity/traffic. Include existing items to remain or be salvaged from different vantage points and with context for location identification.

C. Construction Progress Images:

1. Document all sub-surface work/ trenches etc. prior to backfill with photos covering enough overall field view to show location and then zoom in for details. (Locations and dimensions shall also be noted on as built drawing set.)

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2. Maintain organized index for photos with date, description, etc.

3. Additional images as needed when questions or emergency situations occur. Submit within 24 hours.

D. Completion Images:

1. Document all completed work within scope of work.

2. Maintain organized index for photos with date, description, etc..

3. Additional images as needed when questions or emergency situations occur. Submit within 24 hours.

3.10 Fire and Life Safety:

A. Comply with the requirements of NFPA 241 (Standard for Safeguarding Construction, Alteration, and Demolition Operations). Take all necessary precautions to prevent fire during construction. Provide adequate ventilation during use of volatile or noxious substances.

B. Store and handle hazardous materials in accordance with manufacturers and OSHA 29CFR1926 Subpart D requirements 1926 | Occupational Safety and Health Administration (osha.gov). Maintain readily available, on site, MSDS/Safety Data Sheets (SDS) for each chemical.

1. Immediately report all spills of hazardous materials to the CO, COR, and park.

2. Maintain a spill emergency response kit.

3. Train employees how to respond to a spill and use the emergency response kit.

3.11 Noise and Acoustics Management

B. Contractor shall not have personal radios or other media sources and they shall not be broadcast within NPS property.

ITEM 4 - COMMENCEMENT, PROSECUTION, AND COMPLETION

4.1 The Contractor shall commence work in accordance with the terms and conditions of the contract.

Contractor shall coordinate and incorporate long lead and delivery time items within the schedule.

ITEM 5 - EXAMINATION OF THE SITE

5.1 All bidders are urged to visit the job site and examine existing conditions before submitting bids.

Contractors will be accountable for understanding existing conditions. No cost changes for items visible during site visit will be allowed.

ITEM 6 - ABBREVIATIONS

6.1 The list of abbreviations, standards and organizations which may be used in/referred within the

Construction Specifications or Special Provisions, may be found linked from the listed page below. On the home page, follow the link under “Contracting and Procurement” labeled “NPS Reference Standards.” https://www.nps.gov/orgs/1671/do-business-with-us.htm

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ITEM 7 - ACCIDENT PREVENTION

7.1 Qualification of Employees:

A. Ensure that employees are physically qualified to perform their assigned duties in a safe manner to include operators of vehicles and equipment. Provide operating instructions for all equipment.

B. Do not allow employees to work whose ability or alertness is impaired because of drugs, fatigue, illness, intoxication, or other conditions that may expose themselves or others to injury.

7.2 Accident Reporting: The Contractor shall report all accidents to the CO and COR as soon as safely possible and assist the CO and COR and other officials as required in the investigation of the accident.

7.3 First Aid Facilities: Provide access to facilities for the number of employees and appropriate to the hazards associated with the types of ongoing construction work at the site.

7.4 Emergency Instructions: Post telephone numbers and reporting instructions for ambulance, physician, hospital, fire department, and police in conspicuous locations at the work site.

7.5 Personal Protective Equipment (PPE): It is the Contractor's responsibility to require all those working on or visiting the site to wear necessary protective equipment at all times.

A. PPE must meet requirements of applicable ANSI standards. Selection shall conform to OSHA 29CFR 1926 Subpart E.

B. A hard hat use area shall be designated by the Contractor. The hard hat area shall be posted by the Contractor in a manner satisfactory to the Contracting Officer.

C. All PPE will be serviceable at all times. At a minimum, maintain enough sets of PPE for all contractor staff including hard hats and all other Accident Prevention Plan required equipment.

7.6 Hazardous Materials: It shall be the responsibility of all operators and contractors, functioning within the park to properly cleanup, mitigate and remediate if necessary, all unauthorized discharges of hazardous materials or non-hazardous chemical and biological products released from fleet and/or other support vehicles or stationary sources. Response shall be consistent with guidelines established by federal, state, and local regulations, and as outlined within the operator's Safety or Hazardous Materials Business Plan.

A. If a spill, leak, or other release occurs, the operator shall as soon as possible, without impeding cleanup, notify the local 911 Emergency Response, COR and or the National Park Service Emergency Dispatch.

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ITEM 8 – TEMPORARY SERVICES

8.1 It is the Contractor’s responsibility to provide temporary services, equipment, tools, and skilled labor as required for the chosen means and methods to perform the work in accomplishing this Contract.

ITEM 9 - PROJECT CLOSEOUT

9.1 Description: The work of this section consists of final cleanup, closeout submittals, final inspection procedures working toward Final Acceptance.

9.2 Cleaning: Remove all tools, equipment, surplus materials, and rubbish. Move attic stock to location coordinated with COR. At time of final inspection, project shall be thoroughly clean and ready for intended use. Inspector holds the right to reschedule if project is not ready for inspection.

9.3 Completion and Final Inspection: Contractor shall submit written certification of project completion and request a final inspection to the Contracting Officer and COR. The Contracting Officer or designee will make an inspection within 10 days of receipt of request or at a mutually agreeable time.

A. If the work is determined to be complete following the final inspection with minor comments, the COR will prepare and provide the Contractor a Punch List noting outstanding items to be addressed.

B. If the work is not determined to be complete following the final inspection, the Contracting Officer will notify Contractor in writing, stating reasons. Contractor, after completing the work according to the Contract Documents, shall resubmit completion and request a new final inspection. Re-inspection costs may be charged against the Contractor in accordance with the Inspection of Construction contract clause.

C. Contractor shall complete the Punch List within 10 calendar days, or a time directed by the

CO.

D. Once Contractor completes all items of work on the Punch List and all contractually required items are accepted, Contracting Officer will issue Letter of Final Acceptance of Work and request the final pay application.

E. If the Contractor fails to complete the work within the time frame, the Contracting Officer may correct the work with an appropriate reduction in contract price or charge for re-inspection costs in accordance with the Inspection of Construction contract clause.

F. Disposition of any permits and warranties required by the specifications in this section.

9.4 Final Acceptance of the Work: After all punch list deficiencies have been corrected, a Letter of

Final Acceptance will be issued. A Release of Claims document must be executed and submitted to the Contracting Officer before final payment can occur.

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9.5 Warranties

A. Construction Warranty shall be based on date of final acceptance of the work and remain in effect for one year.

B. Provide all manufacturer warranty information of products installed organized by Division. All contact information, extent of coverage and conditions shall be clearly noted as well as date of overall final acceptance.

C. Information shall include operation and maintenance manuals for each warranted product.

END OF SECTION

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PART 2 -

SECTION 02

TILE CARPETING

PART 1 - GENERAL

2.1 SCOPE OF WORK

A. Project Location: E9758 County Road H-58, Munising, MI 49862

B. Building(s) Name/Identifier: Munising Maintenance Building

2.2 SUMMARY

A. Section Includes:

1. Modular carpet tile.

2.3 ACTION SUBMITTALS

A. Product Data: For each type of product.

B. Shop Drawings: For carpet tile installation, plans showing the following:

1. Columns, doorways, enclosing walls or partitions, built-in cabinets, and locations where cutouts are required in carpet tiles.

2. Carpet tile type, color, and dye lot.

3. Type of subfloor.

4. Type of installation.

5. Pattern of installation.

6. Type, color, and location of edge, transition, and other accessory strips.

7. Transition details to other flooring materials.

C. Samples: For each exposed product and for each color and texture required.

2.4 INFORMATIONAL SUBMITTALS

A. Product test reports.

B. Sample warranty.

C. Product Data: For adhesives, indicating VOC content of 50 g/L or less.

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2.5 CLOSEOUT SUBMITTALS

A. Maintenance data.

2.6 QUALITY ASSURANCE

A. Installer Qualifications: Certified by the International Certified Floorcovering Installers Association at the Commercial II certification level.

2.7 WARRANTY

A. Special Warranty for Carpet Tiles: Manufacturer agrees to repair or replace components of carpet tile installation that fail in materials or workmanship within specified warranty period.

1. Warranty Period: 10 years from date of Substantial Completion.

PART 3 - PRODUCTS

3.1 CARPET TILE

A. Basis of Design: Basis of Design: Philadelphia Commercial Brand, Style Successive 54884

1. Products of other manufacturers in compliance with criteria are acceptable based on prior approval by Contracting Officer’s Representative (COR).

a. Acceptable Manufacturers:

1) J&J Industries

2) Interface

3) Mohawk

4) Tarkett (formerly Tandus-Centiva)

5) Other Approved Equals

6) Philadelphia Commercial (Shaw)

B. Construction: Tufted.

C. Color: Screw 84505

D. Fiber Type: 100% Eco Solution Q100™ Nylon

E. Pile Characteristic: Loop.

F. Density: 8,348 oz./cu. yd.

G. Pile Thickness: 0.208 inches

H. Dye Method: Solution Dyed.

I. Stitches: 11 per inch.

J. Gauge: 1/10 (6.4 rows per inch of width).

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K. Tufted Pile Weight: 39.37 oz/sq. yd.

L. Backing System: Synthetic

M. Size: 18 by 36 inches.

N. Applied Treatments:

1. Soil Release Treatment: SSP Shaw Soil Protection

2. Stain Release Rating: GSA pass.

O. Sustainable Design Requirements:

1. Sustainable Product Certification: Gold level certification according to ANSI/NSF 140.

P. Performance Characteristics:

1. Appearance Retention Rating: Severe traffic, 3.5 minimum according to ASTM D7330.

2. Flammability: ASTM E 648 Class I (glue down)

3. Smoke Density: ASTM E 662 less than 450.

4. Electrostatic Propensity: Less than 3.5 kV according to AATCC 134.

3.2 INSTALLATION ACCESSORIES

A. Trowelable Leveling and Patching Compounds: Latex-modified, hydraulic-cement-based formulation provided or recommended by carpet tile manufacturer.

B. Adhesives: Water-resistant, mildew-resistant, nonstaining, pressure-sensitive type to suit products and subfloor conditions indicated, that comply with flammability requirements for installed carpet tile, and are recommended by carpet tile manufacturer for releasable installation.

1. Adhesives shall have a VOC content of 50 g/L or less.

PART 4 - EXECUTION

4.1 EXAMINATION

A. Concrete Slabs:

1. Moisture Testing: Perform tests so that each test area does not exceed 1000 sq. ft. (304.8

sq. m), and perform no fewer than three tests in each installation area and with test areas evenly spaced in installation areas.

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a. Anhydrous Calcium Chloride Test: ASTM F1869. Proceed with installation only after substrates have maximum moisture-vapor-emission rate of 3 lb of water/1000

sq. ft. (1.36 kg of water/92.9 sq. m) in 24 hours.

b. Relative Humidity Test: Using in situ probes, ASTM F2170. Proceed with installation only after substrates have a maximum 75 percent relative humidity level measurement.

c. Perform additional moisture tests recommended in writing by adhesive and carpet tile manufacturers. Proceed with installation only after substrates pass testing.

B. Wood Subfloors: Verify that underlayment surface is free of irregularities and substances that may interfere with adhesive bond or show through surface.

C. Painted Subfloors: Perform bond test recommended in writing by adhesive manufacturer.

4.2 PREPARATION

A. General: Comply with the Carpet and Rug Institute's CRI 104 and with carpet tile manufacturer's written installation instructions for preparing substrates indicated to receive carpet tile.

B. Use trowelable leveling and patching compounds, according to manufacturer's written instructions, to fill cracks, holes, depressions, and protrusions in substrates. Fill or level cracks, holes and depressions 1/8 inch (3 mm) wide or wider, and protrusions more than 1/32 inch (0.8

mm) unless more stringent requirements are required by manufacturer's written instructions.

C. Concrete Substrates: Remove coatings, including curing compounds, and other substances that are incompatible with adhesives and that contain soap, wax, oil, or silicone, without using solvents. Use mechanical methods recommended in writing by adhesive and carpet tile manufacturers.

D. Broom and vacuum clean substrates to be covered immediately before installing carpet tile.

4.3 INSTALLATION

A. General: Comply with the Carpet and Rug Institute's CRI 104, Section 10, "Carpet Tile," and with carpet tile manufacturer's written installation instructions.

B. Installation Method: As recommended in writing by carpet tile manufacturer.

C. Maintain dye-lot integrity. Do not mix dye lots in same area.

D. Maintain pile-direction patterns indicated on Drawings and recommended in writing by carpet tile manufacturer.

E. Cut and fit carpet tile to butt tightly to vertical surfaces, permanent fixtures, and built-in furniture including cabinets, pipes, outlets, edgings, thresholds, and nosings. Bind or seal cut edges as recommended by carpet tile manufacturer.

F. Extend carpet tile into toe spaces, door reveals, closets, open-bottomed obstructions, removable flanges, alcoves, and similar openings.

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G. Maintain reference markers, holes, and openings that are in place or marked for future cutting by repeating on carpet tile as marked on subfloor. Use nonpermanent, nonstaining marking device.

H. Install pattern parallel to walls and borders.

I. Protect carpet tile against damage from construction operations and placement of equipment and fixtures during the remainder of construction period. Use protection methods indicated or recommended in writing by carpet tile manufacturer.

END OF SECTION

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Appendix A Photos and Drawings

Above: Maintenance shop work zone floor plan. Rooms defined by red line will be Vinyl tile flooring. Rooms defined by yellow line will be carpet tile. All perimeter will require rubber wall base. Areas marked with black X are not part of project

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Foreman’s Office

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Trails Supervisor Office to have vinyl tile removed and carpet tile installed

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Operator’s Office

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Hallway

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Women’s Locker Room

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Men’s Locker Room

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Break Room