36C24619R0025-0001003.pdf

Durham VA Medical Center Durham, North Carolina

June 8, 2017 100% Construction Documents

Project No. 558-318

07 1800 - 1

SECTION 07 18 00

TRAFFIC COATINGS

PART 1 - GENERAL

1.1 DESCRIPTION

A. Conditions of Contract for Construction and General Requirements of Division 1 of these Specifications apply to Work in this Section.

1.2 WORK INCLUDED

A. Work of this Section shall include furnishing all labor, materials, equipment and supervision to install a deck coating system, including surface preparation and crack and joint detailing.

B. Deck coating Installer shall be specifically responsible for providing all preparation Work and joint sealants specified in Section 07 9200, Joint Sealants.

1.3 RELATED WORK

A. Following Work is related to this Section:

1. Concrete Repair Section 03 0130

2. Cast-in-Place Concrete Section 03 3000

3. Pavement Markings Section 32 1723

1.4 Quality Control

A. General

1. Deck coating Installer shall be approved by deck coating Manufacturer.

2. Installer shall have a minimum of five (5) years experience in application of one of the approved deck coating systems and have experience with five projects in size of 50,000 SF or greater.

3. Installer and Manufacturer shall review slope of slabs and condition of surfaces prior to bidding.

4. Manufacturer shall make available a qualified Manufacturer's Representative to assist the Installer and Engineer as specified herein. Representative shall be experienced in placement of deck coating systems. As a minimum, Representative shall be on site to review following procedures:

a. Surface preparation and deck coating installation in trial area.

June 8, 2017 100% Construction Documents

Project No. 558-318

07 1800 - 2

b. Installation of deck coating from primer to top coat for first level or first phase.

5. A preconstruction/preapplication meeting shall be held to discuss detailing, surface preparation, application techniques and procedures, phasing and scheduling. Foreman and lead laborer for Installer will be required to attend meeting along with Contractor, Manufacturer’s Representative and Engineer.

B. Trial Area Requirements

1. Prepare a 300 SF trial area incorporating all required preparation. Engineer, Manufacturer's Representative and Installer shall be in agreement that surface preparation in trial area is satisfactory before preparation is continued.

2. Install traffic bearing membrane in 300 SF trial area to review method of application. At same time as trial area, a test sample shall be provided on a 4' x 4' plywood sheet, which will be used to compare deck coating finish in other areas. Engineer, Manufacturer's Representative, and Installer shall be in agreement that installation in trial area is satisfactory before further installation of deck coating.

3. For recoat applications, Manufacturer and Installer, in presence of Engineer, shall perform adhesive pull-off strength testing on existing system and the completed system in the trial area in accordance with ASTM D 4541 Standard Test Method for Pull-Off Strength of Coatings Using Portable Adhesion Testers. Three tests are to be completed on existing system and completed system.

C. Testing Requirements

1. Installer shall check deck coating wet film thickness and record test results by taking five wet film readings within a 1 SF area.

Wet film thickness testing shall be completed a minimum of once per every 5,000 SF of deck coating placed or per individual section placed per day. Average film thickness shall be at or above wet film thickness equivalent of specified dry film thickness.

2. Manufacturer's Representative shall perform dry film thickness tests and record test results for base coat and total system. For each 25,000 SF area, three readings shall be taken in a single 100 SF area. Average dry film thickness shall be at or above Manufacturer's calculated average dry film thickness for total system based on specified dry film thickness plus aggregate.

3. Manufacturer and Installer in presence of Engineer shall perform adhesive pull-off strength testing on base membrane and completed system in accordance with ASTM D 4541 Standard Test Method for Pull-Off Strength of Coatings Using Portable Adhesion Testers.

Testing is to be performed every 50,000 SF. For each 50,000 SF area, three tests shall be taken in a single 100 SF area. This testing can be performed in conjunction with dry film thickness testing. All test results shall be greater than 100 psi.

4. If thickness and pull-off strength testing do not meet above requirements, corrective action will be required and more

June 8, 2017 100% Construction Documents

Project No. 558-318

07 1800 - 3 frequent testing will be required on remainder of project as directed by Engineer.

5. Test damage is to be repaired by Installer per Manufacturer’s recommendations.

D. Flood Test: Contractor shall arrange for and wet all slabs with water for purpose of detecting any defects in waterproofing which would result in leaks. Slab surfaces shall be wetted until water flows freely to drains. No finished spaces shall be insulated or ceiling installed until drainage test has been completed on the slab above and reviewed by Engineer for acceptance.

1. Potentially leaks are located by noting whether water from flood test is observed at underside of slabs or running down faces of walls. Leaking attributed to defective traffic bearing membrane shall be corrected by repairing waterproofing.

1.5 Submittals

A. Action Submittals

1. System Description: Submit complete description of proposed traffic coating system including materials, surface preparation, joint treatments, terminations, and cure times. Include aggregate materials and repair materials for pitting, bug holes, popouts, and shallow scaling.

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

a. Traffic Coating System

b. Substrate Repair Material

c. Primer

d. Base Coat

e. Intermediate Coat (grit coat)

f. Top Coat

g. Aggregate

3. Shop Drawings: For traffic coatings.

a. Include details for treating substrate joints and cracks, flashings, deck penetrations, and other termination conditions.

b. Include proposed plan for grid layout to install each coat.

Include quantities of materials, square footages, and yield calculations.

c. Include proposed location of mockup area.

4. Color: Submit Manufacturer’s standard color chart.

5. Sample Warranty: Submit sample warranty for approval prior to application.

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

June 8, 2017 100% Construction Documents

Project No. 558-318

07 1800 - 4

a. Provide stepped Samples on backing to illustrate buildup of traffic coatings. Samples shall be representative of color, thickness, and surface texture.

B. Informational Submittals

1. Qualification Data:

a. For Installer including projects, size, location, owner, and contact, engineer/architect and contact for projects that traffic coating system has been applied.

b. Certification that Manufacturer has approved Installer.

c. For Manufacturer’s Representative.

2. Certificates: For each type of traffic coating.

a. Certification that the traffic coating system is compatible with all products in Divisions 3 and 7 to which it will come in contact.

b. Certification of Manufacturer’s approval of surface preparation.

c. Certification of Manufacturer’s approval of mockup area.

d. Certification of Manufacturer’s project review and that traffic coating installation is in accordance with written recommendations.

e. Written certification that recoat system is compatible with existing system.

3. Field quality-control reports:

a. Results of slab moisture testing completed in accordance with

ASTM D 4263 Standard Test Method for Indicating Moisture in Concrete by Plastic Sheet Method.

b. Results of dry and wet film thickness testing and adhesive testing. Include date, weather, and other pertinent information.

4. Applicator’s Manual: For each type of traffic coating.

5. Material Safety Data Sheets: For each product, solvent, or related chemicals to be used and certification that materials conform to local, state, and federal environmental and worker’s safety laws and regulations.

6. Maintenance Data: Manufacturer’s “Snow Removal Guideline” stating procedures the City is to follow during snow removal from traffic coated slabs.

7. Copies of purchase order and invoices indicating quantities and dates of material purchased.

1.6 Environmental Requirements

A. Manufacturer and Installer are required to confirm that all deck coating materials used in accordance with this Section conform to local, state, and federal environmental and workers' safety laws and regulations.

June 8, 2017 100% Construction Documents

Project No. 558-318

07 1800 - 5

1. VOC content of materials shall not exceed limits per Environmental Protection Agency Natural Volatile Organic Compound Emission Standards for Architectural Coatings (40CFR59).

B. Installer is solely responsible for fume control and shall take all necessary precautions against injury to personnel or adjacent building occupants during application. As a minimum, Installer shall take the following precautions:

1. Provide and maintain barricades.

2. Locate and protect building air intakes during application.

3. Follow all state, federal, and local safety regulations.

4. Follow all Manufacturers’ safety requirements.

5. Dispose empty containers immediately and properly.

6. Use protective equipment.

7. Ensure Work area is well vented to outside.

C. Deck coating shall be installed between 6:00 p.m. and 6:00 a.m. on weekdays and anytime during weekends.

1.7 Transportation and Handling

A. Deliver all materials to site in original, unopened containers, bearing following information:

1. Name of product

2. Name of Manufacturer

3. Date of Manufacturer

4. Lot or batch number

5. UL Labels

B. Store materials under cover, protected from weather, within Manufacturer's recommended temperatures ranges.

C. Replace containers or materials showing any signs of damage with new material at no additional cost to Owner.

D. At no time shall weight of stored material placed on a slab area exceed 30 PSF.

1.8 Warranty

A. Provide to Owner a Warranty by Installer and Manufacturer that deck coating system will be free of defects, water penetration, and chemical damage related to system design, workmanship or material deficiency, consisting of, but not limited to:

1. Surface crazing of other weathering deficiency (including ultraviolet light exposure).

2. Abrasion or tear failure resulting from normal traffic use.

June 8, 2017 100% Construction Documents

Project No. 558-318

07 1800 - 6

3. Tear failure resulting from new or existing cracks in substrate not exceeding 1/16 inch in width.

4. Debonding from substrate or delaminating between layers.

5. Defective installation.

6. Debonding or damage of repair material used for filling in pitting, bug holes, popouts, and shallow scaling with concrete or deck coating material.

B. Warranty shall be "Joint and Several" in which Installer and Manufacturer will jointly and severally warrant and provide at no charge to Owner materials and labor needed to properly repair or replace product and replace parking stripes within duration of Warranty. In event of either party's non-performance, full burden and responsibility for any Warranty repair shall fall upon remaining party.

C. Vandalism, abrasive maintenance equipment, and construction traffic are not normal traffic use and are exempt from Warranty.

D. Normal traffic is considered to include snow removal equipment with rubber tipped blades as described in National Parking Association publication, "Parking Garage Maintenance Manual".

E. New concrete may experience shrinkage. Installer shall provide system suitable for such application. Warranty shall cover deck coating damage due to new concrete slab cracking not exceeding 1/16 inch.

F. Recoat systems are applied over existing systems. Installer shall provide system suitable for such application. Warranty shall cover recoat system.

1.9 Warranty Duration

A. Bid price shall include a five (5) year Warranty commencing with date of project acceptance in accordance General Conditions.

B. Although completed areas of facility may be reopened to traffic and parking, commencement of Warranty period will not occur prior to acceptance of entire project.

C. A single Warranty commencement date will apply to all waterproofing.

D. Warranty shall include a transfer clause that allows Warranty to be transferred to a new Owner upon sale of property within Warranty period.

1.10 Basis of Payment

A. Refer to Bid Form.

June 8, 2017 100% Construction Documents

Project No. 558-318

07 1800 - 7

B. Detail coats over cracks, construction joints, cove joints, etc. are to be incidental to deck coating cost.

C. Cove sealants and construction joint sealants are to be included in price for traffic bearing membrane.

PART 2 - PRODUCTS

2.1 Deck Coating - General

A. Deck coating system shall be a fluid applied, waterproof, traffic bearing elastomeric membrane capable of preventing penetration of concrete by water, gasoline, oils, greases, salts, deicer chemicals, battery acids and radiator coolants.

B. Color of deck coating shall be gray with Owner selecting shade of gray from standard color chart submittal.

C. Material to fill in pitting, bug holes, popouts, and shallow scaling shall be in accordance with Manufacturer's written recommendations.

D. Same Manufacturer's deck coating system shall be used throughout.

E. Deck coating thicknesses specified herein are minimum dry film thicknesses and do not include the aggregate. Specified thicknesses may vary from Manufacturer’s literature. A coat may have to be installed in more than one layer to achieve minimum thickness or on ramps a slope grade version of deck coating material shall be used.

Install each coat in accordance with Manufacturer's recommended yield for required thickness.

F. Thinner or solvent shall not be added to deck coating materials.

G. All deck coating shall utilize a UV stable topcoat.

H. Top coat shall be seeded with aggregate and back rolled.

2.2 Deck Coating System (Solvent System)

A. Provide a heavy duty deck coating system as indicated on Drawings.

B. Approved heavy duty solvent deck coating systems are:

1. Iso-Flex 750U-HL HVT, LymTal International, Inc., Orion, MI.

Primer, base coat at 25 mils, grit coat at 25 mils and top coat at 12 mils.

2. Auto-Gard, Neogard Corporation, Dallas, TX. Primer, base coat at 25 mils, grit coat at 25 mils, and top coat at 12 mils.

June 8, 2017 100% Construction Documents

Project No. 558-318

07 1800 - 8

3. MasterSeal Traffic 1500, BASF Building Systems, Shakopee, MN.

Primer, base coat at 25 mils, grit coat at 25 mils, and top coat at 12 mils.

4. Sikalastic 710/715, Sika Corporation, Lyndhurst, NJ. Primer, base coat at 25 mils, grit coat at 25 mils, top coat at 16 mils.

5. Vulkem 350NF/345/346, Tremco, Cleveland, OH. . Primer, base coat at 25 mils, grit coat at 25 mils, top coat at 12 mils.

2.3 Deck Coating Aggregate

A. Approved aggregates for medium and heavy duty deck coating systems are:

1. #10 Granusil, Unimin, Ottawa, MN.

2. 16-30 Fracsand, Oglebay Norton Industrial Sands, Inc., Brady, TX.

3. T16/30, Badger Mining Corporation, Berlin, WI.

4. Or Approved Equivalent.

OR

B. Approved aggregates for heavy duty deck coating systems shall be a size of 12/20 and approved by coating manufacturer.

PART 3 - EXECUTION

3.1 General

A. Inspect surfaces to receive Work and report immediately in writing to Engineer as required in General Conditions any deficiencies in surface which render it unsuitable for proper execution of this Work. Do not proceed with Work until unsatisfactory conditions have been corrected in an acceptable manner in accordance with Engineer.

B. Coordinate and verify that related Work meets following requirements:

1. Concrete surfaces are finished, cleaned and prepped, and have completed required curing period.

2. Previous surface treatments have been removed or are compatible with the systems to be installed.

3. Systems selected for use are compatible with each other.

4. All concrete repairs are completed.

5. Sealant installation may occur several months prior to deck coating. Installer to repair damaged or defective sealants prior to deck coating installation.

3.2 Preparation

A. Remove all oil, grease spots, and contaminates in accordance with Manufacturer's recommendations.

June 8, 2017 100% Construction Documents

Project No. 558-318

07 1800 - 9

B. Remove all existing striping.

C. Shotblast all concrete surfaces to receive deck coating. Shotblast equipment performance requirements are as follows:

1. Equipment shall be capable of traveling at a constant speed to provide uniform profile. Speed and size of equipment and size of steel shot shall be selected to provide desired preparation without causing unnecessary damage to concrete surface.

2. Equipment shall vacuum up, or otherwise retain all dirt, dust, and debris from blasting operation.

3. Areas inaccessible to shotblaster (i.e. vertical surfaces, against walls, columns, stairways, etc.) are to be abrasive blasted or abraded to same performance.

4. Shotblasted surface must be clean with a profile in which a minimum 1/16 inch of existing concrete surface is removed. Fine aggregates must be exposed; however, coarse aggregate must not be exposed. All laitance must be removed. Surface profile to match ICRI CSP5 in accordance with ICRI Guideline No. 03732, Selecting and Specifying Concrete Surface Preparation for Sealers, Coatings, and Polymer Overlays.

5. Remove debris immediately after surface preparation. Debris includes, but is not limited to, shot, aggregate and dust. Debris shall be placed in a covered dumpster or a covered area where it will not be rebroadcast by wind or weather.

D. Metal surfaces that are to be deck coated shall be abrasive blasted to near white metal, SSPC SP10 in accordance with Steel Structures Painting Council Painting Manual. Rust inhibitive primer shall be installed in accordance with Manufacturer's recommendations within 8 hours of abrasive blasting.

E. Rout and seal cracks greater than 15 mils in accordance with Section 07 9200, Joint Sealants or as required by the Manufacturer. Cracks, coves, terminations and all unusual situations shall be detailed per Manufacturer's recommendations.

F. Installer shall be responsible for repair or replacement of all materials damaged by surface preparation operations.

G. Surfaces shall be air blown with sufficient pressure to remove excess dirt, dust and debris, and to assure that concrete is clean prior to application of deck coating.

H. After shotblasting and abrasive blasting and prior to first coat of deck coating, pitting, bug holes, popouts, and shallow scaling shall be prepared in accordance with Manufacturer's recommendations. As a minimum, a thin epoxy mortar shall be used to fill voids.

1. Grind surfaces, removing high amplitude areas.

2. Fill low areas with a squeegee applied thin layer of epoxy loaded with silica flour (or equivalent); or a squeegee applied firm urethane membrane loaded with aggregate. All materials are to be

June 8, 2017 100% Construction Documents

Project No. 558-318

07 1800 - 10 compatible with total system, and are to be recommended/ approved by coating Manufacturer.

3. Installer to certify that surface preparation will not impact five (5) year Warranty provided by Manufacturer, and Installer.

3.3 Installation/Application

A. Do all Work in strict accordance with Manufacturer's written instructions and specifications and as indicated herein.

B. Do not apply deck coating materials until concrete has been air dried at temperatures at or above 40 degrees F. for at least 28 days after curing period specified in Section 03 3000, Cast-In-Place Concrete, Section 03 0130, Concrete Repair, or as otherwise approved by Manufacturer.

C. Concrete shall be dry prior to application of deck coating. Installer shall perform slab moisture testing in accordance with ASTM D 4263 Standard Test Method for Indicating Moisture in Concrete by the Plastic Sheet Method. Testing must be performed in at least 1 location for every 10,000SF of coating. Use of heat lamps for performing tests may be required in areas not exposed to sunlight.

D. Do not apply deck coating material until concrete and air temperature is at or above 40 degrees F. Provide appropriate enclosures and necessary heating for application. Air temperatures directly below and above the slab being coated must be maintained at a minimum of 45 degrees F up to 48 hours prior to coating and at 45 degrees F for a minimum of 72 hours after coating, or as required for full curing of material. Provide high/low thermometers within Work area. As a minimum, provide two thermometers directly below slab and two directly above slab being coated.

E. All deck coating shall maintain straight edges at terminations.

F. Surfaces to be deck coated shall be divided into areas in accordance with the Manufacturer’s recommended yield for the specified thickness and for specific container size of material. Area is to be divided by keel marks, or another Engineer approved method.

G. All sealants to be provided adequate cure time, minimum 8 hours, to be tack free prior to deck coating. All construction joints, control joints, joints at perimeter of patches, cold joints and cracks (sealed and unsealed) shall receive a detail coat, minimum of 4 inches wide.

Detail coat shall be same thickness as base coat unless Manufacturer's requirements are stricter. Detail coat shall cure a minimum of 12 hours prior to base coating.

H. Extend deck coating up vertical surfaces as indicated on Drawings.

I. Incorporate aggregate until refusal. Aggregate until refusal will result in a surface that is tan in color. Additional aggregate may

June 8, 2017 100% Construction Documents

Project No. 558-318

07 1800 - 11 have to be added after first pass. Seed topcoat with aggregate and backroll.

J. Complete all Work under this Section before painting line stripes.

3.4 Damage and Repairs

A. Any necessary repairs for deck coating resulting from dry film testing are to be repaired by Installer.

B. Pinholing of deck coating will be cause for rejection. Installer shall repair and take necessary steps to prevent pinholing to occur at no additional expense to Owner.

3.5 Cleanup

A. Remove all excess primer, sealant, deck coating, and masking materials from structure.

END OF SECTION 07 1800