071800 - TRAFFIC COATINGS.DOC

UNIT TRAINING EQUIPMENT SITE ADD/ALT

Copyright 2010 by The American Institute of Architects (AIA)

Exclusively published and distributed by Architectural Computer Services, Inc. (ARCOM) for the AIA

SECTION 071800 - TRAFFIC COATINGS

Revise this Section by deleting and inserting text to meet Project-specific requirements.

This Section uses the term "Architect." Change this term to match that used to identify the design professional as defined in the General and Supplementary Conditions.

Verify that Section titles referenced in this Section are correct for this Project's Specifications; Section titles may have changed.

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

Retain or delete this article in all Sections of Project Manual.

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section includes traffic coatings for the following applications:

1. Pedestrian traffic.

2. Vehicular traffic.

1.3 PREINSTALLATION MEETINGS

Retain "Preinstallation Conference" Paragraph below if Work of this Section is extensive or complex enough to justify a conference.

A. Preinstallation Conference: Conduct conference at Project site.

If needed, insert list of conference participants not mentioned in Section 013100 "Project Management and Coordination."

1.4 ACTION SUBMITTALS

A. Product Data: For each type of product, including installation instructions.

B. Shop Drawings: For traffic coatings.

1. Include details for treating substrate joints and cracks, and other termination conditions.

Retain subparagraph below if pavement markings are required. Revise to suit Project.

2. Include plans showing layout of pavement markings, lane separations, and defined parking spaces. Indicate, with international symbol of accessibility, spaces allocated for people with disabilities.

Retain "Samples for Initial Selection" and "Samples for Verification" paragraphs below for two-stage Samples.

C. Samples for Verification: For each type of exposed finish, prepared on rigid backing.

1. Provide stepped Samples on backing to illustrate buildup of traffic coatings.

1.5 INFORMATIONAL SUBMITTALS

Coordinate "Qualification Data" Paragraph below with qualification requirements in Section 014000 "Quality Requirements" and as may be supplemented in "Quality Assurance" Article.

A. Qualification Data: For Installer.

Retain "Product Certificates" Paragraph below to require submittal of product certificates from manufacturers.

Retain "Field quality-control reports" Paragraph below if Contractor is responsible for field quality-control testing and inspecting.

1.6 CLOSEOUT SUBMITTALS

A. Maintenance Data: For traffic coatings to include in maintenance manuals.

1.7 QUALITY ASSURANCE

Before retaining requirements for certification of Installer by manufacturer, verify availability. See "Introduction" Article in the Evaluations.

A. Installer Qualifications: An authorized representative who is trained and approved by manufacturer.

1.8 FIELD CONDITIONS

A. Environmental Limitations: Apply traffic coatings within the range of ambient and substrate temperatures recommended in writing by manufacturer. Do not apply traffic coatings to damp or wet substrates, when temperatures are below 40 deg F (5 deg C), when relative humidity exceeds 85 percent, or when temperatures are less than 5 deg F (3 deg C) above dew point.

1. Do not apply traffic coatings in snow, rain, fog, or mist, or when such weather conditions are imminent during the application and curing period. Apply only when frost-free conditions occur throughout the depth of substrate.

B. Do not install traffic coating until items that penetrate membrane have been installed.

C. Pavement-Marking Paint: Proceed with pavement marking only on clean, dry surfaces and at a minimum ambient or surface temperature of 40 deg F (4.4 deg C) for oil-based materials or 50 deg F (10 deg C) for water-based materials, and not exceeding 95 deg F (35 deg C).

1.9 WARRANTY

When warranties are required, verify with Owner's counsel that warranties stated in this article are not less than remedies available to Owner under prevailing local laws.

A. Manufacturer's Warranty: Manufacturer agrees to repair or replace traffic coating that fails in materials or workmanship within specified warranty period.

1. Failures include, but are not limited to, the following:

a. Adhesive or cohesive failures.

b. Abrasion or tearing failures.

c. Surface crazing or spalling.

d. Intrusion of water, oils, gasoline, grease, salt, deicer chemicals, or acids into deck substrate.

Verify available warranties and warranty periods. Five years is offered by Advanced Polymer Technology, which is the maximum offered in manufacturers' published data.

2. Warranty Period: Five years from date of Substantial Completion.

PART 2 - PRODUCTS

See Editing Instruction No. 1 in the Evaluations for cautions about named manufacturers and products. For an explanation of options and Contractor's product selection procedures, see Section 014000 "Quality Requirements."

2.1 MATERIALS, GENERAL

A. Material Compatibility: Provide primers; base-, intermediate-, and topcoat; and accessory materials that are compatible with one another and with substrate under conditions of service and application, as demonstrated by manufacturer based on testing and field experience.

B. Source Limitations:

Retain one of first two subparagraphs below. Several coating systems from a single manufacturer are often used adjacent to each other to form a single, seamless membrane with variations in durability such as vehicle entrances, drive lanes, turning lanes, and parking spaces.

1. Obtain traffic coatings from single source from single manufacturer.

2.2 TRAFFIC COATING

Traffic-coating systems are available in various numbers of coats; coating thicknesses; aggregate spreading rates; and compositions for light-, moderate-, normal-, standard-, heavy-, and extra heavy-duty applications. Often, several systems are used for different areas of a Project to form a single, seamless, wear-balanced membrane.

See the table at the end of the Evaluations for a list of manufacturers' products. Use this table in combination with manufacturers' catalogs or product data to insert series, type, model, and designations of other characteristics.

Copy this article and re-edit for each product.

Insert number to complete drawing designation. Use these designations on Drawings to identify each product.

Revise "Traffic Coating" Paragraph below to suit Project. Some manufacturers' product data does not state compliance with ASTM C 957.

A. Traffic Coating: Manufacturer's standard, traffic-bearing, seamless, high-solids-content, cold liquid-applied, elastomeric, waterproofing membrane system with integral wearing surface for vehicular traffic; according to ASTM C 957.

Retain "Manufacturers" Subparagraph and list of manufacturers below to require products from manufacturers listed or a comparable product from other manufacturers.

1. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

Retain "Basis-of-Design Product" Subparagraph and list of manufacturers below to identify a specific product or a comparable product from manufacturers listed. Retain option and delete insert note if manufacturer's name and model number are indicated on Drawings.

a. Advanced Polymer Technology Corporation.

b. AVM Industries, Inc.

c. BASF Construction Chemicals, LLC - Building Systems.

d. Carlisle Coatings & Waterproofing Inc.

e. Crossfield Products Corp.

f. Euclid Chemical Company (The); an RPM company.

g. Gaco Western LLC.

h. Key Resin Company.

i. LymTal International Inc.

j. Neogard; Division of Jones-Blair.

k. Pacific Polymers International, Inc.

l. ParexLahabra, Inc.

m. Pecora Corporation.

n. POLY-CARB, Inc.

o. Sherwin-Williams Company (The).

p. Tremco Incorporated; an RPM company.

q. Urethane Polymers International, Inc.

r. Or approved equal.

Retain "Primer" Paragraph below as recommended by product manufacturer.

B. Primer: Liquid solvent-borne primer recommended for substrate and conditions by traffic-coating manufacturer.

Retain "Material" Subparagraph below if necessary. If retaining, consult manufacturers for recommendations. Epoxy primers dominate the industry, but urethane primers are offered by some manufacturers for less-demanding applications.

1. Product: Advanced Polymer Technology Corp., “Qualipur 152”.

2. Material: Urethane.

Retain "Preparatory and Base Coats," "Intermediate Coat," and "Topcoat" paragraphs below if required; revise to suit Project. Insert additional types of intermediate coat and topcoat if required; coat terminologies vary among manufacturers and products. Coordinate materials for each coat with products and manufacturers specified. Insert physical testing requirements if required.

Retain "Thicknesses" Subparagraph below if required. If retaining, verify coat's dry or wet film thickness requirements based on manufacturer's product data.

3. Thicknesses: Minimum wet film thickness 4 to 6 mils.

C. Intermediate Coat: Polyurethane.

Retain "Thicknesses" Subparagraph below if required. If retaining, verify coat's dry or wet film thickness requirements based on manufacturer's product data.

1. Product: Advanced Polymer Technology Corp., “Qualipur 252”.

2. Thicknesses: Minimum wet film thickness 4 to 6 mils, measured excluding aggregate.

Retain "Aggregate Content" Subparagraph below to suit Project.

3. Aggregate Content: As recommended in writing by traffic-coating manufacturer for substrate and service conditions indicated.

D. Topcoat: Aliphatic urethane.

Retain "Thicknesses" Subparagraph below if required. If retaining, verify coat's dry or wet film thickness requirements based on manufacturer's product data.

1. Product: Advanced Polymer Technology Corp., “Qualipur 372”.

2. Thicknesses: Minimum wet film thickness as recommended in writing by manufacturer for substrate and service conditions indicated.

Retain "Aggregate Content" Subparagraph below to suit Project.

3. Color: Yellow.

Generally retain "Aggregate" Paragraph below for durability and slip-resistance properties; revise based on traffic-coating manufacturer's product data. See "Materials" Article in the Evaluations for a discussion of aggregate types.

Retain "Fire-Test-Response Characteristics" Paragraph below for traffic coatings that are roof coverings; revise to suit Project. Indicate class for each traffic coating when tested according to ASTM E 108. Verify requirements of authorities having jurisdiction and of Owner's insurer.

E. Fire-Test-Response Characteristics: Provide traffic-coating materials with the fire-test-response characteristics as determined by testing identical products per test method below for deck type and slopes indicated by an independent testing and inspecting agency that is acceptable to authorities having jurisdiction.

Retain one of the three "Energy Performance" paragraphs below to specify cool-roof performance for traffic coatings that are roof coverings on roofs with slopes of 2:12 or less. Verify availability of compliant products with manufacturers.

Retain first "Energy Performance" Paragraph below if required for LEED-NC, LEED-CS, or LEED for Schools Credit SS 7.2.

Retain "VOC Content" Paragraph below if required for LEED-NC or LEED-CS Credit IEQ 4.2 and product is used inside the weatherproofing system such as for equipment rooms and underground parking. Coordinate product selection to ensure that products comply.

F. VOC Content: Traffic coating shall have a VOC content of 150 g/L or less when calculated according to 40 CFR 59, Subpart D (EPA Method 24).

Retain "Low-Emitting Materials" Paragraph below if required for LEED for Schools Credit IEQ 4 and product is used inside the weatherproofing system such as for equipment rooms and underground parking. Coordinate product selection to ensure that products comply.

2.3 ACCESSORY MATERIALS

A. Joint Sealants: As specified in Section 079200 "Joint Sealants."

B. Adhesive: Contact adhesive recommended in writing by traffic-coating manufacturer.

C. Reinforcing Strip: Fiberglass mesh recommended in writing by traffic-coating manufacturer.

Retain "Low-Emitting Materials" Paragraph below if required for LEED for Schools Credit IEQ 4 and product is used inside the weatherproofing system such as for underground parking.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements for surface smoothness, surface moisture, and other conditions affecting performance of traffic-coating work.

B. Verify that substrates are visibly dry and free of moisture.

Requirements for concrete dryness after curing vary among manufacturers. Comply with manufacturer's individual requirements for moisture testing. Retain one or both subparagraphs below. ASTM D 4263 test method in first subparagraph takes 16 hours.

1. Test for moisture content by method recommended in writing by traffic-coating manufacturer.

C. Prepare written report, endorsed by Installer, listing conditions detrimental to performance of traffic-coating work.

D. Proceed with installation only after substrate construction and penetrating work have been completed and unsatisfactory conditions have been corrected.

1. Begin coating application only after minimum concrete-curing and -drying period recommended in writing by traffic-coating manufacturer has passed and after substrates are dry.

2. Application of coating indicates acceptance of surfaces and conditions.

3.2 PREPARATION

A. General: Before applying traffic coatings, clean and prepare substrates according to ASTM C 1127 and manufacturer's written instructions to produce clean, dust-free, dry substrate for traffic-coating application. Remove projections, fill voids, and seal joints if any, as recommended in writing by traffic-coating manufacturer.

B. Schedule preparation work so dust and other contaminants from process do not fall on wet, newly coated surfaces.

C. Mask adjoining surfaces not receiving traffic coatings to prevent overspray, spillage, leaking, and migration of coatings. Prevent traffic-coating materials from entering deck substrate penetrations and clogging weep holes and drains.

Retain "Concrete Substrates" Paragraph below for concrete substrates. Procedure provides a uniform substrate that is generally in acceptable condition to receive coatings. Retain option only if concrete surface texture may not meet traffic-coating manufacturer's requirements; revise option if only part of concrete surface finish is inadequate. See "ASTM C 1127 Requirements" Article in the Evaluations.

D. Concrete Substrates: Mechanically abrade surface to a uniform profile acceptable to manufacturer, according to ASTM D 4259. Do not acid etch.

1. Remove grease, oil, paints, and other penetrating contaminants from concrete.

2. Remove concrete fins, ridges, and other projections.

3. Remove laitance, glaze, efflorescence, curing compounds, concrete hardeners, form-release agents, and other incompatible materials that might affect coating adhesion.

4. Remove remaining loose material to provide a sound surface, and clean surfaces according to ASTM D 4258.

3.3 TERMINATIONS AND PENETRATIONS

A. Prepare horizontal surfaces at terminations and penetrations through traffic coatings and at expansion joints, drains, and sleeves according to ASTM C 1127 and manufacturer's written instructions.

B. Provide sealant cants at penetrations and at reinforced and nonreinforced, deck-to-wall butt joints.

C. Terminate edges of deck-to-deck expansion joints with preparatory base-coat strip.

Retain paragraph below for sheet flashings.

3.4 JOINT AND CRACK TREATMENT

A. Prepare, treat, rout, and fill joints and cracks in substrates according to ASTM C 1127 and manufacturer's written recommendations. Before coating surfaces, remove dust and dirt from joints and cracks according to ASTM D 4258.

1. Comply with recommendations in ASTM C 1193 for joint-sealant installation.

B. Apply reinforcing strip in traffic-coating system where recommended in writing by traffic-coating manufacturer.

3.5 TRAFFIC-COATING APPLICATION

A. Apply traffic coating according to ASTM C 1127 and manufacturer's written instructions.

B. Apply number of coats of specified compositions for each type of traffic coating at locations as indicated on Drawings.

Retain first paragraph below if applicable.

C. Start traffic-coating application in presence of manufacturer's technical representative.

D. Verify that wet film thickness of each coat complies with requirements every 100 sq. ft. (9 sq. m).

E. Cure traffic coatings. Prevent contamination and damage during application and curing stages.

3.6 FIELD QUALITY CONTROL

Retain "Testing Agency" Paragraph below to identify who shall perform tests and inspections. If retaining second option in paragraph, retain "Field quality-control reports" Paragraph in "Informational Submittals" Article.

Traffic-coating inspection may be required by manufacturer before issuing warranty.

A. Final Traffic-Coating Inspection: Arrange for traffic-coating manufacturer's technical personnel to inspect membrane installation on completion.

Retain subparagraph below if Architect or Owner wants to be present during manufacturer's final inspection.

1. Notify Contracting Officer or Owner 48 hours in advance of date and time of inspection.

B. Additional testing and inspecting, at Contractor's expense, will be performed to determine compliance of replaced or additional work with specified requirements.

C. Prepare test and inspection reports.

3.7 PROTECTING AND CLEANING

A. Protect traffic coatings from damage and wear during remainder of construction period.

B. Clean spillage and soiling from adjacent construction using cleaning agents and procedures recommended by manufacturer of affected construction.

END OF SECTION 071800