Addendum 1 Specifications 6-24-2020.pdf

BKTZ122014

RESINOUS FLAKE FLOORING 09651 - 1

SECTION 09651

RESINOUS FLAKE FLOORING

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Coating systems for concrete floors.

1.2 REFERENCES

A. ASTM D 16 - Terminology Relating to Paint, Varnish, Lacquer, and Related Products.

B. ASTM D 4259 – Standard Practice for Abrading Concrete.

C. ASTM D 4263 - Indicating Moisture in Concrete by the Plastic Sheet Method.

D. ASTM F 1869 - Measuring Moisture Vapor Emission Rate of Concrete Subfloor Using Anhydrous Calcium Chloride.

E. International Concrete Repair Institute (ICRI) Guideline No. 310.2R - Selecting and Specifying Concrete

Surface Preparation for Sealers, Coatings, and Polymer Overlays.

F. SSPC-SP 13/NACE 6 - Surface Preparation of Concrete.

1.3 DEFINITIONS

A. Definitions of Painting Terms: ASTM D 16, unless otherwise specified.

B. Dry Film Thickness (DFT): Thickness of a coat of paint in fully cured state measured in mils (1/1000 inch).

1.4 SUBMITTALS

A. Submit under provisions of Section 01 33 00.

B. Product Data: Submit manufacturer's product data for each coating, including generic description, complete technical data, surface preparation, and application instructions.

C. Color Samples: Submit manufacturer’s color samples showing full range of standard colors.

D. Applicator’s Qualifications Assurance: Submit list of a minimum of 5 completed projects of similar size and complexity to this Work within 50 miles of site. Include for each project:

1. Project name and location.

2. Name of owner.

3. Name of contractor.

4. Name of architect.

5. Name of coating manufacturer.

6. Approximate area of coatings applied.

7. Date of completion.

E. All materials specified herein are manufactured by the TNEMEC Co., Inc., North Kansas City, (Local Contact 615-333-1000) Missouri and are approved for use on this project.

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F. Equivalent materials of other manufacturers may be substituted on approval of the Contracting Officer. Requests for substitution shall include Manufacturer's literature for each product giving the name, generic type, descriptive information and evidence of satisfactory past performance on flooring projects. Submittals shall include the following performance data as certified by a qualified testing Laboratory:

1. ASTM D 4060, (CS-17 Wheel, 1,000 grams load, 1,000 cycles)

2. ASTM D 4541

3. ASTM D 2047

4. ASTM C 579

5. ASTM E 648

6. ASTM C 580 Method A

7. ASTM D 2240

8. ASTM D 2794

9. ASTM C 413

10. ASTM D 638

11. ASTM D 3363

12. ASTM D 1308 Stain Resistance

13. TTM-59 Chemical Resistance

14. Graffiti Resistance

G. Bidders desiring to use coatings other than those specified shall submit their proposal in writing to the Contracting Officer in accordance with Section 01600. Substitutions which decrease the film thickness, the number of coats applied, change the generic type of coating, or fail to meet the performance criteria of the specified materials will not be approved. Prime and finish coats of all surfaces shall be furnished by the same manufacturer.

H. Materials supplied by other manufacturers may be considered for substitution if the following prevailing conditions exist:

1. Performance criteria of the specified materials are exceeded by the submitted alternate materials as listed in paragraph 2.1 and detailed on the technical data sheets of each specified product.

2. The submittal must compare the performance criteria of the specified material with that of the submitted material and be documented in a side by side manner for the Contracting Officer to review.

3. Substitute materials must be for complete systems and not individual products combined with the specified materials and the performance criteria for all products within a system must meet or exceed the specified materials.

Only one alternate submittal will be received for this specification and must be accompanied by a detailed statement of the sum to be added or deducted from the base bid should alternate materials be accepted.

1.5 QUALITY ASSURANCE

A. Manufacturer’s Qualifications:

1. Specialize in manufacture of coatings with a minimum of 5 years successful experience.

2. Able to demonstrate successful performance on comparable projects.

3. Single Source Responsibility: Coatings and coating application accessories shall be products of a single manufacturer.

B. Applicator’s Qualifications:

1. Experienced in application of specified coatings for a minimum of 5 years on projects of similar size and complexity to this Work.

2. Applicator's Personnel: Employ persons trained for application of specified coatings.

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C. Mock-Ups: If required, prepare 10 foot x 10 foot mock-up for each coating system specified using same materials, tools, equipment, and procedures intended for actual surface preparation and application.

Obtain COTR’s approval of mock-ups. Retain mock-ups to establish intended standards by which coating systems will be judged.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Delivery: Deliver materials to site in manufacturer's original, unopened containers and packaging, with labels clearly identifying:

1. Coating or material name.

2. Manufacturer.

3. Color name and number.

4. Batch or lot number.

5. Date of manufacture.

6. Mixing and thinning instructions.

B. Storage:

1. Store materials in a clean dry area and within temperature range in accordance with manufacturer's instructions.

2. Keep containers sealed until ready for use.

3. Do not use materials beyond manufacturer’s shelf life limits.

C. Handling: Protect materials during handling and application to prevent damage or contamination.

1.7 ENVIRONMENTAL REQUIREMENTS

A. Weather:

1. Air and Surface Temperatures: Prepare surfaces and apply and cure coatings within air and surface temperature range in accordance with manufacturer’s instructions.

2. Surface Temperature: Minimum of 5 degrees F (3 degrees C) above dew point.

3. Relative Humidity: Prepare surfaces and apply and cure coatings within relative humidity range in accordance with manufacturer’s instructions.

B. Ventilation: Provide ventilation during coating evaporation stage in confined or enclosed areas in accordance with manufacturer’s instructions.

C. Dust and Contaminants:

1. Schedule coating work to avoid excessive dust and airborne contaminants.

2. Protect work areas from excessive dust and airborne contaminants during coating application and curing.

PART 2 PRODUCTS

2.1 MANUFACTURER

A. Basis of Design: Tnemec Company Incorporated, 6800 Corporate Drive, Kansas City, Missouri 64120- 1372.

Local Representative: Tiffany Goulet CSI, CDT 615-333-1000.

B. Decorative Flake:

1. Surface Preparation: Perform “Standard Test Method for Measuring Moisture Vapor Emission Rate of Concrete Subfloor Using Anhydrous Calcium Chloride” (ASTM F 1869). Moisture content not to exceed three pounds per 1,000 square feet in a 24 hour period. Shot blast or mechanically abrade surface to remove laitance, curing compounds, hardeners, sealers and other contaminants and to provide a profile. (ICRI CSP 3 or greater).

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2. Repairs: Fill spalls or areas that need repair with Tnemec 215 Surfacing epoxy.

3. Prime Coat: Apply Tnemec 237-Pigmented at 6.0 to 12.0 mils DFT.

3. Base Coat: Apply Tnemec 224-Color Deco-Fleck at approximately 10 mils DFT. Broadcast flake to refusal.

5. Grout Coat: Apply Tnemec 257 Excellathane SS at 14.0 to 16.0 mils DFT. Thoroughly scarify using a power sander and 100 grit sandpaper, No. 60 mesh sanding screen or a coarse stripping pad to eliminate surface tension before applying topcoat.

6. Finish Coat: Apply Tnemec 248 Everthane at 2.0 to 3.0 mils DFT.

2.2 ACCESSORIES

A. Coating Application Accessories:

1. Accessories required for application of specified coatings in accordance with manufacturer’s instructions, including thinners.

2. Products of coating manufacturer.

PART 3 EXECUTION

3.1 EXAMINATION

A. Examine areas and conditions under which coating systems are to be applied. Notify COTR of areas or conditions not acceptable. Do not begin surface preparation or application until unacceptable areas or conditions have been corrected.

3.2 PROTECTION OF SURFACES NOT SCHEDULED TO BE COATED

A. Protect surrounding areas and surfaces not scheduled to be coated from damage during surface preparation and application of coatings.

B. Immediately remove coatings that fall on surrounding areas and surfaces not scheduled to be coated.

3.3 SURFACE PREPARATION OF CONCRETE FLOORS

A. Prepare concrete surfaces in accordance with manufacturer’s instructions, SSPC-SP 13/NACE 6, and

ICRI 03732.

B. Ensure surfaces are clean, dry, and free of oil, grease, dirt, dust, and other contaminants.

C. Test concrete for moisture in accordance with ASTM D 4263 and F 1869.

D. Allow concrete to cure for a minimum of 28 days before coating.

E. Level protrusions and mortar spatter.

3.4 APPLICATION

A. Apply coatings in accordance with manufacturer's instructions.

B. Sand/scrape flakes to remove fins and loose flake.

C. Mix and thin coatings, including multi-component materials, in accordance with manufacturer’s instructions.

D. Keep containers closed when not in use to avoid contamination.

E. Do not use mixed coatings beyond pot life limits.

F. Use application equipment, tools, pressure settings, and techniques in accordance with manufacturer’s

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G. Uniformly apply coatings at spreading rate required to achieve specified DFT.

H. Apply coatings to be free of film characteristics or defects that would adversely affect performance or appearance of coating systems.

3.5 Exposed Perimeters:

A. All exposed perimeter edges of the broadcast overlay, including doorways, traffic aisle sides, drains, etc must be saw cut. Areas that cannot be reached with the saw, or are difficult to saw cut shall be chipped.

B. Saw cut shall be a minimum of ¼” deep and ¼” wide.

C. Prime saw cut areas with Tnemec 222 Deco-Tread.

D. Install flooring so that it folds into saw cut.

3.6 Joints:

A. Expansion Joints:

1. Install flooring so that it covers the expansion joint.

2. After the floor system is installed, honor existing expansion joint by saw cutting a new ¼” x

¼” joint over the existing. Install closed cell polyethylene backer rod into saw cut approximately ½” to ¾” down into expansion joint, as required.

3. Fill saw cut with flexible polyurethane joint sealant designed for expansion joints.

B. Fill all static cracks, surface voids and control joints by first priming with recommended surfacers and fillers.

When filled, these areas shall be flush with floor surface.

3.7 REPAIR

A. Materials and Surfaces Not Scheduled To Be Coated: Repair or replace damaged materials and surfaces not scheduled to be coated.

B. Damaged Coatings: Touch-up or repair damaged coatings. Touch-up of minor damage shall be acceptable where result is not visibly different from adjacent surfaces. Recoat entire surface where touch-up result is visibly different, either in sheen, texture, or color.

C. Coating Defects: Repair in accordance with manufacturer’s instructions coatings that exhibit film characteristics or defects that would adversely affect performance or appearance of coating systems.

3.8 CLEANING

A. Remove temporary coverings and protection of surrounding areas and surfaces.

3.9 PROTECTION OF COATING SYSTEMS

A. Protect surfaces of coating systems from damage during construction.

B. Repair deficiencies in coating systems as determined by COTR in accordance with manufacturers

END OF SECTION

LIGHTNING PROTECTION 16073-1

SECTION 16073

LIGHTNING PROTECTION

PART 1 – GENERAL

1.1 SCOPE

A. Maintain lightning protection existing at the structure and modify as required for installation of new rooftop mechanical equipment. Install new air terminals and bonding connections to mechanical equipment. Provide horizontally run copper conductors between air terminals and existing horizontal or riser conductors.

B. Conform to the NFPA Code entitled "Lightning Protection Code" No. 78.

C. The modified system shall bear a recertified "UL Master Label Certificate" and be inspected by independent 3rd party UL personnel.

D. The installation shall confirm with OSHA requirements for impalement protection.

PART 2 – PRODUCTS

2.1 MATERIALS

A. Materials shall be typical of the existing lightning protection system.

D. The facilities and components shall be manufactured by a lightning protection manufacturer regularly engaged in the fabrication of lightning protection products.

PART 3 – EXECUTION

3.1 INSTALLATION

A. Installation of modifications of the existing lightning protection system shall be in kind with existing conditions.

3.2 SHOP DRAWINGS

A. Provide factory produced drawings illustrating the arrangement of the lightning protection system, including the location of air terminals, grounding electrodes, and routing of risers. Clearly differentiate details of existing components and modifications. Details shall be included as to the mounting and attachment methods.

3.3 FIELD QUALITY CONTROL

A. Special Inspection: Engage a qualified special inspector to perform the following special inspections:

1. Perform inspections as required to obtain a recertified “UL Master Label Certificate” for the completed system.

B. Prepare test and inspection reports and certificates.

END OF SECTION