Attachment_9_-_Coating_and_Application_Spec.pdf

Product Guide Specification

SECTION 09960

COATING SYSTEMS FOR PREVIOUSLY COATED STEEL CRANE STRUCTURES

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Overcoating systems for painting of steel cranes.

1.2 REFERENCES

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

B. SSPC‐SP 3 ‐ Power Tool Cleaning.

C. SSPC‐SP 12/NACE 5 – Surface Preparation and Cleaning of Metals by Water Jetting

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. Product Data: Submit manufacturer's product data for each coating, including generic description, complete technical data, ASTM Performance Criteria as noted herein, surface preparation, and application instructions.

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

C. Manufacturer’s Quality Assurance: Submit manufacturer’s certification that coatings comply with specified requirements and are suitable for intended application.

D. Applicator’s Quality Assurance: Submit list of a minimum of 10 completed similar projects of similar size and complexity to this Work within the last 5 years. Include for each project:

1. Project name and location.

2. Name of owner.

3. Name of contractor.

4. Name of coating manufacturer.

5. Approximate area of coatings applied.

6. Date of completion.

E. Warranty: Submit manufacturer’s standard warranty.

1.5 QUALITY ASSURANCE

A. Manufacturer’s Qualifications:

1. Specialize in manufacture of coatings with a minimum of 10 years successful experience in the industrial painting industry.

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

3. Recommended coating manufacturer: RD Coatings Incorporated, Stratford, CT. As represented by the Righter Group, Inc. Toll Free (800) 533‐3003. Fax (800) 988‐9824.

Web Site www.rightergroup.com

B. Applicator’s Qualifications:

1. Experienced in application of specified coatings for a minimum of 10 years on projects of similar size and complexity to this Work.

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

C. Mock‐Ups: Prepare 5 foot x 5 foot mock‐up for each coating system specified using same materials, tools, equipment, and procedures intended for actual surface preparation and application. Obtain Contracting Officer’s Designated Representative approval of mock‐ups.

Retain mock‐ups to establish intended level of quality.

D. Pre‐application Meeting: Convene a pre‐application meeting (2) two weeks before start of application of coating systems. Require attendance of parties directly affecting work of this section, including Contractor, Contracting Officer’s Designated Representative, Applicator, and Manufacturer’s Representative. Review the following:

1. Environmental requirements

2. Protection of surfaces not scheduled to be coated

3. Surface preparation

4. Application

5. Disinfection

6. Repair

7. Field quality control

8. Cleaning

9. Protection of coating systems

10. One‐year inspection

11. Project coordination

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.

4. Precipitation: Do not prepare surfaces or apply coatings in rain, snow, fog, or mist.

5. Wind: Do not spray coatings if wind velocity is above manufacturer’s limit.

B. 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.

3. Provide shielding and containment as necessary to ensure errant overspray does not travel beyond the footprint of the crane. Project will be executed adjacent to a parking lot and natural waterway. Contractor shall be responsible for any damage or environmental remediation resulting from project operations.

PART 2 PRODUCTS.

2.1 SURFACE PREPARATION AND COATING SCHEDULE FOR PREVIOUSLY PAINTED STEEL

A. Surface Preparation: SSPC‐SP‐12 (LP WC) WJ‐4 Condition, 5,000 psi pressure wash followed by a SSPC SP #3 Power Tool Cleaning Standard of any tightly adhered rust and/or rust scale.

B. Coating Schedule:

1. 1st Coat: RD Coatings Elastometal primer (Weathered Bark) applied to prepared to bare metal surfaces at 7.0 mils dft. Overlap onto adjacent painted surfaces a minimum 4 inches.

2. 2nd Coat: RD Coatings Elastometal (buff gray) applied to all surfaces scheduled for coating at 7.0 mils dft.

3. 3rd Coat: RD Coatings Mur‐Acryl, (color by owner) applied to all surfaces scheduled for coating at 2.5‐3.0 mils dft.

C. Color Schedule:

1. Boom, load blocks, travel truck system shall be Brilliant Yellow FS# 13538

NOTE: Boom has a blue strip located 74’‐8” measured from the center of the boom foot pin indicating the beginning of the foreign material exclusion zone. This strip shall be painted over in the same location.

2. Safety striping on load blocks and travel truck ends shall be Black FS# 17038

3. Roof of cab and module assembly shall be FS# 27875 with slip resistant grit included

4. Crane identification numbers and text shall be White FS# 27875

5. All remaining exterior crane surfaces shall be Clear Blue FS# 15177

D. Alternatives:

Coatings shall be as listed above or approved equivalent meeting the following Specifications:

Primer Coats: A single component water‐borne acrylic polymer resin coating containing zinc‐ phosphate inhibitors with the following minimum performance criteria.

1. VOC: Less than 8 grams/litre.

2. Elongation: minimum 200%

3. Solids by Volume: 55‐57%

4. Solids by Weight: 64‐66%

5. Viscosity: 180‐220P (Brookfield 20 Rpm)

6. Density: Ca.1.25

7. Non‐Flammable: Class A rater for Flame Spread and Smoke Development per ASTM E84.

8. ASTM D870, Results; no defect after 12 months continuous immersion.

9. ASTM D1653, Results; 9.9g/sq meter per 24 hours. (Perm rate of approx 0.3 and a metric perm rate of approx. 0.2).

10. ASTM D5894, Results; no rusting, no rust creep at scribe, no blistering after 5,000 hours.

Finish Coat: A single component water‐borne high dispersion acrylic polymer coating with the following characteristics:

1. VOC: Less than 95 grams per/litre.

2. FINISH: Satin

3. SOLIDS CONTENT : In weight: ca. 57%, In volume: ca. 40%

4. DENSITY: Ca. 1.3

5. FLASH POINT : Not flammable.

6. ISCOSITY: I00 ‐ 150 P

7. DRYING TIME: To touch: 30 Min.

8. ASTM D522, Elongation; no less than 22%.

9. ASTM D2794, Impact: 93 inch‐pounds direct impact.

10. ASTM D3363, Hardness, B or less pencil.

11. ASTM D4587, QUV, No less that 72% gloss retention, no more than 0.69 DE00 color change or no more than 22 units gloss loss after 3,000 hrs.

12. ASTM D5590, Fungal and Algal Resistance; No more than traces of fungal growth, less than 10%, after 4‐weeks continual exposure.

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 PROJECT SCOPE

A. Prepare and coat all previously coated exterior surfaces of Portal Crane #32 including the boom, machinery house, operator’s cab, travel trucks, load blocks misc platforms/ladders, structural elements and any other previously painted exposed surface.

B. The Contractor shall not paint any previously un‐painted surfaces paying close attention to machined bearing surfaces, identification/instruction plates, lubrication fittings, bearings, wire ropes, non‐ferrous metals, corrosion resistant steel, sheave grooves, drum grooves, wheel treads, exterior lighting, junction boxes, conduits and grease lines. Immediately remove coatings that fall on surrounding areas and surfaces not scheduled to be coated.

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

D. The project site is in the immediate vicinity of a parking lot, natural waterway, and Coast Guard operations facility. Provide containment and shielding as necessary to ensure overspray from painting operations is contained to within the footprint of the crane.

3.2 EXAMINATION

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

3.3 SURFACE PREPARATION OF STEEL

A. Remove visible oil, grease, dirt, dust, loose rust bloom, loose and non adhering paint, chlorides, corrosion products, and other foreign matter in accordance with SSPC‐SP 12 (LP WC) Low Pressure, Water Cleaning Standard (5,000 psi) to a WJ‐4 Condition followed by a SSPC SP #3 Power Tool Cleaning Standard of any tightly adhered rust and/or rust scale. Remediate chlorides in accordance with NV‐3. Washed surfaces will be cleaned and tested providing SP #12 ‐ NV‐3 condition.

B. Wash area starting from top and work toward bottom, rinse down all removed sediment from top to bottom. Each pressure‐washing unit shall have a cleaning compound supply tank with the ability to control the amount of solution being supplied to the feed water. Cleaning solutions shall be used in strict accordance with the manufacturer’s written recommendations.

C. Use a water‐based, phosphate free, biodegradable cleaner, which has a pH of 9 to 11. The cleaner shall also be, non‐flammable and non‐reactive. The Contracting Officer’s Designated Representative shall approve all cleaning solutions before use. All water used for pressure washing operations shall be potable and supplied by the Contractor. All wash water shall be collected, filtered, tested and disposed of in accordance with State and Federal Regulations.

3.4 CONTAINMENT OF PAINT CHIPS DURING SURFACE PREPARATION:

A. Provide and install a minimum Class 5 Containment system that prevents paint chips and debris generated during the surface preparation from escaping the perimeter of the crane base, entering the environment and to facilitate the controlled collection of the paint chips and washing water for disposal. Use continuous ground cover with sealed seams to collect all water run‐off. Reference appropriate sections of SSPC – Guide 61 for containment specifics.

B. All water, dust, debris, rust, paint chips, overspray and other material generated during cleaning, power tool preparation, and painting operations shall be cleaned and collected from all surfaces within the containment system perimeter on a daily basis or more frequently if conditions require.

C. The Contractor shall take all measures necessary to prevent the release of waste material, debris or other material generated by the cleaning and painting operations during working periods, non working periods and during assembly, disassembly and moving of work platforms and containment materials or the handling of wastes.

D. Wastewater will be properly stored and not disposed of until sample results are obtained.

The Contractor shall provide the Contracting Officer’s Designated Representative with the laboratory results and a report summarizing the collection procedures, work parameters, sample analysis, and chain of custody documentation before any wash water is disposed of.

3.5 APPLICATION

A. Mix and thin coatings in accordance with manufacturer’s instructions.

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

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

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

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

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

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

H. Stripe paint with brush critical locations on steel such as welds, corners, nuts and bolts and edges using specified primer.

3.6 REPAIR

A. Damaged Materials: 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.

3.7 FIELD QUALITY CONTROL

A. Verify coatings and other materials are as specified.

B. Verify surface preparation and application are as specified.

C. Verify DFT of each coat and total DFT of each coating system are as specified using wet film and dry film gauges.

D. Coating Defects: Check coatings for film characteristics or defects that would adversely affect performance or appearance of coating systems.

E. Check for holidays on interior steel immersion surfaces using holiday detector.

F. Submit written reports describing inspections made and actions taken to correct nonconforming work.

G. Manufacturer’s Field Services: Manufacturer’s representative shall provide technical assistance and guidance for surface preparation and application of coating systems.

3.8 ONE‐YEAR INSPECTION

A. Contracting Officer’s Designated Representative will set date for one‐year inspection of coating systems.

B. Inspection shall be attended by Contractor, Contracting Officer’s Designated Representative, and manufacturer’s representative.

C. Repair deficiencies in coating systems as determined by Contracting Officer’s Designated

Representative in accordance with manufacturers instructions.

END OF SECTION