Duragalv Short Form Specification

2.XX HOT-DIP GALVANIZING - DURAGALV

B. Galvanizing shall exhibit a rugosity (smoothness) not greater than 4 rug (16-20 microns of variation) when measured by a profilometer over a 1 inch straight line on the surface of architectural and structural elements that are less than 24 pounds per running foot. Profilometer shall be capable of operating in 1 micron increments.

1. Surface blasting prior to application of factory-applied post-galvanizing wet coatings will produce a high rugosity and not be acceptable.

C. Quality Assurance for Hot-Dip Galvanizing:

Galvanizing shall be performed by a company with a minimum of ten years experience in the successful application of hot-dip galvanizing utilizing the dry kettle process.
Engage the services of a galvanizer who has demonstrated a minimum of ten years experience in the successful performance of the processes outlined in this specification in the facility where the work is to be doneand who will apply the galvanizing and coatings within the same facility as outlined herein. The Architect has the right to inspect and approve or reject the galvanizer/galvanizing facility.
The galvanizer/galvanizing facility must have an ongoing Quality Control/Quality Assurance program acceptable to the Architect which has been in effect for a minimum of ten years and shall provide the Architect with process and final inspection documentation.

4       Touch-up damaged galvanizing after installation using organic zinc coating complying with ASTM A780 and as recommended by galvanizer.
5.      Certificate of compliance that the galvanizer has certified weighers on premises with a certification from the local municipality, and a certified scale or municipal scale has been utilized by the galvanizer.
6.      Fabricator shall provide a notarized statement from the galvanizer, along with a description of the material processed, indicating that all work has been done in conformance with this specification prior to receiving payment.
7.      Certificate of Compliance for Shop Drawing Review by Galvanizer: Submit galvanizer's certification that shop drawings for metal fabrications to receive metal coatings have been reviewed and that fabrications are acceptable to galvanizer for proper application of galvanizing and metal coatings. All drawings should be stamped by the galvanizer to indicate approval of design for galvanizing.
8.      Substitutions shall not be considered unless approved by Architect, Owner/Owner's Representative, and Contractor. Substitution requests shall be accompanied by proof that the substitution meets or exceeds the performance, aesthetic and durability requirements of the specified Duncan process. Coatings not matching approved submittals shall be removed and replaced at no additional expense to the Owner
9.      Galvanizer/coater shall supply a certificate of compliance that all coatings have been performed in accordance with QP-3 standards and procedures.

Colorshield Short Form Specification

2.XX HOT-DIP GALVANIZING AND FACTORY-APPLIED POLYMER FINISH-COLORSHIELD

A. Hot-Dip Galvanizing: Provide coating for iron and steel fabrications applied by the hot-dip process, Duragalv by Duncan Galvanizing. Comply with ASTM A 123 for fabricated products and ASTM A 153 for hardware. Provide thickness of galvanizing specified in referenced standards. The galvanizing bath shall contain special high grade zinc and other earthly materials. Galvanizing shall exhibit a rugosity (smoothness) not greater than 4 rug (16-20 microns of variation) when measured by a profilometer over a 1 inch straight line on the surface of architectural and structural elements that are less than 24 pounds per running foot. Profilometer shall be capable of operating in 1 micron increments.

1. Surface blasting prior to application of factory-applied post galvanizing wet coatings will produce a high rugosity and not be acceptable.

B.       Factory-Applied Polymer Finish: Duncan Colorshield by Duncan Galvanizing, matching approved samples. Finish coating shall be applied within 12 hours of galvanizing in the same facility as the galvanizing.
1.      Surface of galvanized material shall be prepared by grinding or other mechanical means so as to provide an architectural substrate which is free from runs, drips, spikes or other formations detrimental to the physical appearance.
2.      Topcoat shall be factory-applied color-pigmented, multi-component polymer, 1 - 5 g/m2 film thickness depending upon finish effect. Apply finish coating at the galvanizer’s plant, in a controlled environment meeting applicable environmental regulations and as recommended by the finish coating manufacturer.
3.      Coatings shall be certified VOC compliant and conform to applicable regulations and EPA standards.
4.      Apply the galvanizing and coating within the same facility and provide single-source    responsibility for galvanizing and finish coating.
5.      Blast cleaning of the galvanized surface is not acceptable.

C.       Quality Assurance for Hot-Dip Galvanizing and Factory-Applied Metal Coatings:
1.     Galvanizing shall be performed by a company with a minimum of ten years experience in the successful application of hot-dip galvanizing utilizing the dry kettle process.
2.     Factory-applied metal coatings shall be performed in a facility acceptable to the coating manufacturer.
3.     Submit two 3 inch by 6 inch samples of factory-applied coatings and colors proposed for use for approval prior to coating application.
4.     Substitution requests shall be accompanied by samples and coating manufacturer's written certification that coatings proposed for use will have the same appearance and service life as the specified coatings.
5.     Handle and install materials with factory-applied coatings as recommended by galvanizer and coating manufacturer to prevent damage to coatings prior to and after installation.
6.     Touch-up factory-applied metal coatings as recommended by galvanizer and coating manufacturer.
7.     Coatings not matching approved submittals shall be removed and replaced at no additional expense to the Owner.
8.     Substitutions shall not be considered unless approved by Architect and Owner/Owner's Representative and Contractor. Substitution requests shall be accompanied by proof that the substitution meets or exceeds the performance, aesthetic and durability requirements of the specified Duncan process. Coatings not matching approved submittals shall be removed and replaced at no additional expense to the Owner
9.     Galvanizer/coater shall supply a certificate of compliance that all coatings have been performed in accordance with QP-3 standards and procedures.

Primergalv Short Form Specification

2.XX HOT-DIP GALVANIZING AND FACTORY-APPLIED PRIMER - PRIMERGALV

NTS: Delete paragraph B if priming is over "black steel"

1. Surface blasting prior to application of factory-applied post galvanizing wet coatings will produce a high rugosity and not be acceptable.

C. Factory-Applied Primer: Provide factory-applied prime coat, Primergalv® by Duncan Galvanizing, certified VOC compliant, conforming to applicable regulations and EPA standards. Apply primer within 12 hours after galvanizing at the same facility where the galvanizing is done in a controlled environment meeting applicable environmental regulations and as recommended by the primer coating manufacturer. Blast cleaning of the surface is unacceptable for surface preparation.

D. Performance Criteria: Coatings must meet or exceed the criteria for the following categories as stipulated by the coatings manufacturer:
ABRASION - Method: ASTM D 4060 (CS17 Wheel, 1,000 grams load).
ADHESION - Method: ASTM D 3359, (Method B, 5 mm Crosshatch).
HUMIDITY - Method: ASTM D 4585
SALT SPRAY (FOG) - Method: ASTM B 117

E. Quality Assurance for Hot-Dip Galvanizing and Factory-Applied Metal Coatings:

1.      Galvanizing shall be performed by a company with a minimum of ten years experience in the successful application of hot-dip galvanizing utilizing the dry kettle process.
2.      Factory-applied metal coatings shall be performed in a facility acceptable to the coating manufacturer.
3.      Submit two 3 inch by 6 inch samples of factory-applied coatings and colors proposed for use for approval prior to coating application.
4.      Engage the services of a galvanizer who has demonstrated a minimum of ten years experience in the successful performance of the processes outlined in this specification within the same facility as outlined herein. The Architect has the right to inspect and the facility where the work is to be doneand who will apply the galvanizing and coatings approve or reject the galvanizer/galvanizing facility.
5.      Handle and install materials with factory-applied coatings as recommended by galvanizer and coating manufacturer to prevent damage to coatings prior to and after installation.
6.      Touch-up factory-applied metal coatings as recommended by galvanizer and coating manufacturer.
7.      Coatings not matching approved submittals shall be removed and replaced at no additional expense to the Owner.
8.      Certificate of compliance that the galvanizer has certified weighers on premises with a certification from the local municipality, and a certified scale or municipal scale has been utilized by the galvanizer.
9.      Fabricator shall provide a notarized statement from the galvanizer, along with a description of the material processed, indicating that all work has been done in conformance with this specification prior to receiving payment.
10.     Certificate of Compliance for Shop Drawing Review by Galvanizer: Submit galvanizer's certification that shop drawings for metal fabrications to receive metal coatings have been reviewed and that fabrications are acceptable to galvanizer for proper application of galvanizing and metal coatings. All drawings should be stamped by the galvanizer to indicate approval of design for galvanizing.
11.     Substitutions shall not be considered unless approved by Architect, Owner/Owner's Representative and Contractor. Substitution requests shall be accompanied by proof that the substitution meets or exceeds the performance, aesthetic and durability requirements of the specified Duncan process. Coatings not matching approved submittals shall be removed and replaced at no additional expense to the Owner
12.     Galvanizer/coater shall supply a certificate of compliance that all coatings have been performed in accordance with QP-3 standards and procedures.

Colorgalv Short Form Specification

2.XX HOT-DIP GALVANIZING AND FACTORY-APPLIED ARCHITECTURAL FINISH - COLORGALV

1. Surface blasting prior to application of factory-applied post galvanizing wet coatings will produce a high rugosity and not be acceptable.

C. Architectural Finish: Provide factory-applied architectural coating over hot-dip galvanized steel, Colorgalv® by Duncan Galvanizing matching approved samples.

1.     Primer coat shall be factory-applied prime coating. Apply primer within 12 hours after galvanizing at the same facility where the galvanizing is done in a controlled environment meeting applicable environmental regulations and as recommended by the primer coating manufacturer.
2.     Finish coat shall be factory-applied high performance architectural finish. Apply finish coating at the galvanizer’s plant, in a controlled environment meeting applicable environmental regulations and as recommended by the finish coating manufacturer.
3.     Coatings shall be certified VOC compliant and conform to applicable regulations and EPA standards.
4.     Apply the galvanizing, primer and coating within the same facility and provide single-source responsibility for galvanizing, priming and finish coating.
5.     Blast cleaning of the galvanized surface is not acceptable.

D. Performance Criteria: Coatings must meet or exceed the criteria for the following categories as stipulated by the coatings manufacturer:

1. Primer:
ABRASION - Method: ASTM D 4060 (CS17 Wheel, 1,000 grams load).
ADHESION - Method: ASTM D 3359, (Method B, 5 mm Crosshatch).
HUMIDITY - Method: ASTM D 4585
SALT SPRAY (FOG) - Method: ASTM B 117
2. Topcoat:
ABRASION - Method: ASTM D 4060 (CS17 Wheel, 1,000 grams load).
ADHESION - Method: ASTM D 3359, (Method B, 5 mm Crosshatch).
GRAFFITI RESISTANCE - Method: The following graffiti materials applied to coating and allowed to dry for seven days: acrylic, epoxy-ester and alkyd spray paints, ballpoint ink, crayon, Markett marker, black shoe polish and lipstick.
EXTERIOR EXPOSURE - Method: Exposed at 45 degrees facing south
SURFACE BURNING CHARACTERISTICS: - Method: ASTM E-84
QUV - Method: ASTM G 53 (ES-40 bulbs, 4 hours light, 4 hours dark)
SALT SPRAY (FOG) - Method: ASTM B 117
FLEXIBILITY
PENCIL HARDNESS

E. Quality Assurance for Hot-Dip Galvanizing and Factory-Applied Metal Coatings:

1.      Galvanizing shall be performed by a company with a minimum of ten years experience in the successful application of hot-dip galvanizing utilizing the dry kettle process.
2.      Factory-applied metal coatings shall be performed in a facility acceptable to the coating manufacturer.
3.      Submit two 3 inch by 6 inch samples of factory-applied coatings and colors proposed for use for approval prior to coating application.
4.      Engage the services of a galvanizer who has demonstrated a minimum of ten years experience in the successful performance of the processes outlined in this specification in within the same facility as outlined herein. The Architect has the right to inspect and the facility where the work is to be doneand who will apply the galvanizing and coatings approve or reject the galvanizer/galvanizing facility.
5.      Handle and install materials with factory-applied coatings as recommended by galvanizer and coating manufacturer to prevent damage to coatings prior to and after installation.
6.      Touch-up factory-applied metal coatings as recommended by galvanizer and coating manufacturer.
7.      Coatings not matching approved submittals shall be removed and replaced at no additional expense to the Owner.
8.      Certificate of compliance that the galvanizer has certified weighers on premises with a certification from the local municipality, and a certified scale or municipal scale has been utilized by the galvanizer.
9.      Fabricator shall provide a notarized statement from the galvanizer, along with a description of the material processed, indicating that all work has been done in conformance with this specification prior to receiving payment.
10.     Certificate of Compliance for Shop Drawing Review by Galvanizer: Submit galvanizer's certification that shop drawings for metal fabrications to receive metal coatings have been reviewed and that fabrications are acceptable to galvanizer for proper application of galvanizing and metal coatings. All drawings should be stamped by the galvanizer to indicate approval of design for galvanizing.
11.     Substitutions shall not be considered unless approved by Architect, Owner/Owner's Representative and Contractor. Substitution requests shall be accompanied by proof that the substitution meets or exceeds the performance, aesthetic and durability requirements of the specified Duncan process. Coatings not matching approved submittals shall be removed and replaced at no additional expense to the Owner
12.     Galvanizer/coater shall supply a certificate of compliance that all coatings have been performed in accordance with QP-3 standards and procedures.
13.     Duncan warrants the Colorgalv process to be free from rust for a period of twenty (20) years. Warranties for fading or discoloration of the finish shall be that which is supplied by the coating manufacturer.

Colorgalv Clearcoat Short Form Specification

2.XX HOT-DIP GALVANIZING AND FACTORY-APPLIED ARCHITECTURAL FINISH WITH CLEARCOAT - COLORGALV CLEARCOAT

1. Surface blasting prior to application of factory-applied post galvanizing wet coatings will produce a high rugosity and not be acceptable.

C. Architectural Finish: Provide factory-applied architectural coating over hot-dip galvanized steel, Colorgalv® by Duncan Galvanizing matching approved samples.

1.      Primer coat shall be factory-applied prime coat. Apply primer within 12 hours after galvanizing at the same facility where the galvanizing is done in a controlled environment meeting applicable environmental regulations and as recommended by the primer coating manufacturer.
2.      Finish coat shall be factory-applied color-pigmented architectural finish. Apply finish coating at the galvanizer’s plant, in a controlled environment meeting applicable environmental regulations and as recommended by the finish coating manufacturer.
3.      Coatings shall be certified VOC compliant and conform to applicable regulations and EPA standards.
4.      Apply the galvanizing, primer and coating within the same facility and provide single-source responsibility for galvanizing, priming and finish coating.
5.      Blast cleaning of the galvanized surface is not acceptable.

D. Performance Criteria: Coatings must meet or exceed the criteria for the following categories as stipulated by the coatings manufacturer:

1. Primer:
ABRASION - Method: ASTM D 4060 (CS17 Wheel, 1,000 grams load).
ADHESION - Method: ASTM D 3359, (Method B, 5 mm Crosshatch).
HUMIDITY - Method: ASTM D 4585
SALT SPRAY (FOG) - Method: ASTM B 117
PENCIL HARDNESS
FLEXIBILITY
2. Topcoat:
ABRASION - Method: ASTM D 4060 (CS17 Wheel, 1,000 grams load).
ADHESION - Method: ASTM D 3359, (Method B, 5 mm Crosshatch).
GRAFFITI RESISTANCE - Method: The following graffiti materials applied to coating and allowed to dry for seven days: acrylic, epoxy-ester and alkyd spray paints, ballpoint ink, crayon, Markett marker, black shoe polish and lipstick.
EXTERIOR EXPOSURE - Method: Exposed at 45 degrees facing south
SURFACE BURNING CHARACTERISTICS: - Method: ASTM E-84
QUV - Method: ASTM G 53 (ES-40 bulbs, 4 hours light, 4 hours dark)
SALT SPRAY (FOG) - Method: ASTM B 117
PENCIL HARDNESS
FLEXIBILITY

E. Clearcoat: Provide factory-applied clear coating over primed and coated galvanized steel, Duncan Clearcoat® by Duncan Galvanizing.

1. Performance Criteria: Coatings must meet or exceed the criteria for the following categories as stipulated by the coatings manufacturer:
ABRASION - Method: ASTM D 4060 (CS17 Wheel, 1,000 grams load).
ADHESION - Method: ASTM D 3359, (Method B, 5 mm Crosshatch).
GRAFFITI RESISTANCE - Method: The following graffiti materials applied to coating and allowed to dry for seven days: acrylic, epoxy-ester and alkyd spray paints, ballpoint ink, crayon, Markett marker, black shoe polish and lipstick.
WEATHERING: - Method: ASTM D 1014, 45 degrees south; Method: ASTM D 4141C EMMAQUA-NTW
QUV - Method: ASTM G 53 (FS-40 bulbs, 4 hours light, 4 hours dark)
SALT SPRAY (FOG) - Method: ASTM B 117
FLEXIBILITY – Method: ASTM D 522 (Method B, Cylindrical Mandrel)
HARDNESS: Method: ASTM D 3363 (Pencil)

F. Quality Assurance for Hot-Dip Galvanizing and Factory-Applied Metal Coatings:

1.      Galvanizing shall be performed by a company with a minimum of ten years experience in the successful application of hot-dip galvanizing utilizing the dry kettle process.
2.      Factory-applied metal coatings shall be performed in a facility acceptable to the coating manufacturer.
3.      Submit two 3 inch by 6 inch samples of factory-applied coatings and colors proposed for use for approval prior to coating application.
4.      Engage the services of a galvanizer who has demonstrated a minimum of ten years experience in the successful performance of the processes outlined in this specification in within the same facility as outlined herein. The Architect has the right to inspect and the facility where the work is to be doneand who will apply the galvanizing and coatings approve or reject the galvanizer/galvanizing facility.
5.      Handle and install materials with factory-applied coatings as recommended by galvanizer and coating manufacturer to prevent damage to coatings prior to and after installation.
6.      Touch-up factory-applied metal coatings as recommended by galvanizer and coating manufacturer.
7.      Coatings not matching approved submittals shall be removed and replaced at no additional expense to the Owner.
8.      Certificate of compliance that the galvanizer has certified weighers on premises with a certification from the local municipality, and a certified scale or municipal scale has been utilized by the galvanizer.
9.      Fabricator shall provide a notarized statement from the galvanizer, along with a description of the material processed, indicating that all work has been done in conformance with this specification prior to receiving payment.
10.     Certificate of Compliance for Shop Drawing Review by Galvanizer: Submit galvanizer's certification that shop drawings for metal fabrications to receive metal coatings have been reviewed and that fabrications are acceptable to galvanizer for proper application of galvanizing and metal coatings. All drawings should be stamped by the galvanizer to indicate approval of design for galvanizing.
11.     Substitutions shall not be considered unless approved by Architect, Owner/Owner's Representative and Contractor. Substitution requests shall be accompanied by proof that the substitution meets or exceeds the performance, aesthetic and durability requirements of the specified Duncan process. Coatings not matching approved submittals shall be removed and replaced at no additional expense to the Owner
12.     Galvanizer/coater shall supply a certificate of compliance that all coatings have been performed in accordance with QP-3 standards and procedures.

Thermoset Short Form Specification

2.XX HIGH-PERFORMANCE THERMOSETTING BASED COATING - DUNCAN THERMOSET

A. High-Performance Thermosetting Based Coating over Black (Uncoated) Steel:
Duncan Thermoset® matching approved samples.

1.      Factory-applied metal coatings shall be performed in a facility acceptable to the coating manufacturer.
2.      Performance Criteria: Coating must meet or exceed the criteria for the following categories as stipulated by the coatings manufacturer:
ADHESION – Method: ASTM D-3359
FLEXIBILITY – Method: ASTM D-522 (Cylindrical Mandrel)
HARDNESS – Method: ASTM D-3363 (Pencil)
SALT SPRAY – Method: ASTM B-117
HUMIDITY – Method: ASTM D-4585
IMPACT RESISTANCE - Method: ASTM D-2794
3.      Galvanizer shall create a 1-3 mil profile on the surface to provide adhesion for the Duncan Thermoset®. Surface shall exhibit a rugosity (smoothness) not greater than 4 rug (16-20 microns of variation) when measured by a profilometer over a 1 inch straight line on the surface on the surface of architectural and structural elements that are less than 24 pounds per running foot. Profilometer shall be capable of operating in 1 micron increments.
4.      All coating material shall be force cured in a calibrated oven capable of maintaining 500 degrees F.

B. Quality Assurance for Factory-Applied Metal Coatings:

1.      Factory-applied metal coatings shall be performed in a facility acceptable to the coating manufacturer.
2.      Submit two 3 inch by 6 inch samples of factory-applied coatings and colors proposed for use for approval prior to coating application.
3.      Substitution requests shall be accompanied by samples and coating manufacturer's written certification that coatings proposed for use will have the same appearance and service life as the specified coatings.
4.      Engage the services of a coating applicator who has demonstrated a minimum of ten years experience in the successful performance of the processes outlined in this specification in the facility where the work is to be doneand who will apply the coatings within the same facility as outlined herein. The Architect has the right to inspect and approve or reject the coating facility.
5.      Handle and install materials with factory-applied coatings as recommended by coater and coating manufacturer to prevent damage to coatings prior to and after installation.
6.      Touch-up factory-applied metal coatings as recommended by coater and coating manufacturer.
7.      Coatings not matching approved submittals shall be removed and replaced at no additional expense to the Owner.
8.      Fabricator shall provide a notarized statement from the coater, along with a description of the material processed, indicating that all work has been done in conformance with this specification prior to receiving payment.
9.      Substitutions shall not be considered unless approved by Architect, Owner/Owner's Representative, and Contractor. Substitution requests shall be accompanied by proof that the substitution meets or exceeds the performance, aesthetic and durability requirements of the specified Duncan process. Coatings not matching approved submittals shall be removed and replaced at no additional expense to the Owner
10.     Galvanizer/coater shall supply a certificate of compliance that all coatings have been performed in accordance with QP-3 standards and procedures.

Colorgalv Thermoset Short Form Specification

2.XX HOT DIP GALVANIZING AND HIGH PERFORMANCE THERMOSETTING BASED TOPCOAT - DUNCAN COLORGALV THERMOSET

A.       Hot-Dip Galvanizing: Provide coating for iron and steel fabrications applied by the hot-dip process, Duragalv® by Duncan Galvanizing. Comply with ASTM A 123 for fabricated products and ASTM A 153 for hardware. Provide thickness of galvanizing specified in referenced standards. The galvanizing bath shall contain special high grade zinc, nickel, and other earthly materials.
B.       Galvanizing shall exhibit a rugosity (smoothness) not greater than 4 rug (16-20 microns of variation) when measured by a profilometer over a 1 inch straight line on the surface of architectural and structural elements that are less than 24 pounds per running foot. Profilometer shall be capable of operating in 1 micron increments.
C.       Duncan Colorgalv Thermoset matching approved samples.

D. Quality Assurance for Hot-Dip Galvanizing and Factory-Applied Metal Coatings:

8. Provide 20 year warranty against rust.

9.      Fabricator shall provide a notarized statement from the galvanizer, along with a description of the material processed, indicating that all work has been done in conformance with this specification prior to receiving payment.
10.     Certificate of Compliance for Shop Drawing Review by Galvanizer: Submit galvanizer's certification that shop drawings for metal fabrications to receive metal coatings have been reviewed and that fabrications are acceptable to galvanizer for proper application of galvanizing and metal coatings. All drawings should be stamped by the galvanizer to indicate approval of design for galvanizing.
11.     Substitutions shall not be considered unless approved by Architect, Owner/Owner's Representative, and Contractor. Substitution requests shall be accompanied by proof that the substitution meets or exceeds the performance, aesthetic and durability requirements of the specified Duncan process. Coatings not matching approved submittals shall be removed and replaced at no additional expense to the Owner
12.     Galvanizer/coater shall supply a certificate of compliance that all coatings have been performed in accordance with QP-3 standards and procedures.

Colorgalv Thermoset 5 Short Form Specification

2.XX HOT DIP GALVANIZING WITH THERMOSETTING BASED TIE COAT AND HIGH PERFORMANCE THERMOSETTING BASED TOPCOAT - DUNCAN COLORGALV THERMOSET 5

C. Tie-Coat:

1.      Shall be applied over a clean, dry substrate, free from any contaminants or oxidation at the same facility as the galvanizing.
2.      Film Thickness shall be 2.4 - 2.6 mils.
3.      Performance Criteria: Coating must meet or exceed the following performance criteria:
CROSS HATCH ADHESION – Method: ASTM D-3359/ISO 2409: Pass 100%
MANDREL BENDING TEST – Method: ASTM D-522/ISO 1519: 5/32in./4mm (3/16 in./5mm)
IMPACT TEST 1/10 in. - Method: Distortion ISO 6272 ASTM D-2794-90: Up to 40 in./lbs
CUPPING: Method-ISO 1520: 5/16 in./mm (3/16 in./5mm)

D. Duncan Colorgalv Thermoset 5® matching approved samples.

E. Quality Assurance for Hot-Dip Galvanizing and Factory-Applied Metal Coatings:

8. Provide 20 year warranty against rust and 5 year warranty against coating failure.

Colorgalv Thermoset 10 Short Form Specification

2.XX HOT DIP GALVANIZING WITH THERMOSETTING BASED TIE COAT, THERMOSETTING BASED COLOR COAT AND HIGH PERFORMANCE CLEAR TOPCOAT - DUNCAN COLORGALV THERMOSET 10

C. Tie-Coat:

D. Duncan Colorgalv Thermoset 10® matching approved samples.

E. Clearcoat: Provide factory-applied clear coat over coated steel Duncan Clearcoat® by Duncan Galvanizing.

1. Performance Criteria: Coatings must meet or exceed the following performance criteria:
GLOSS - Method: ASTM D 523)
ADHESION - Method: ASTM D 3359, (Method 5B, Crosshatch).
IMPACT TEST - Method: ASTM D 2794
SALT SPRAY (FOG) - Method: ASTM B 117
HUMIDITY RESISTANCE – Method: ASTM D 2247
HARDNESS: Method: ASTM D 3363 (Pencil)

F. Quality Assurance for Hot-Dip Galvanizing and Factory-Applied Metal Coatings:

8. Provide 20 Year Warranty against rust and 10 year warranty against coating failure.

Colorgalv Thermoset 20 Short Form Specification

2.XX HOT DIP GALVANIZING AND HIGH PERFORMANCE FLUOROPOLYMER BASED COATING - DUNCAN COLORGALV THERMOSET 20

D. Quality Assurance for Hot-Dip Galvanizing and Factory-Applied Metal Coatings:

1.      Galvanizing shall be performed by a company with a minimum of ten years experience in the successful application of hot-dip galvanizing utilizing the dry kettle process.
2.      Factory-applied metal coatings shall be performed in a facility acceptable to the coating manufacturer.
3.      Submit two 3 inch by 6 inch samples of factory-applied coatings and colors proposed for use for approval prior to coating application.
4.      Handle and install materials with factory-applied coatings as recommended by galvanizer and coating manufacturer to prevent damage to coatings prior to and after installation.
5.      Touch-up factory-applied metal coatings as recommended by galvanizer and coating manufacturer.
6.      Coatings not matching approved submittals shall be removed and replaced at no additional expense to the Owner.
7.      Certificate of compliance that the galvanizer has certified weighers on premises with a certification from the local municipality, and a certified scale or municipal scale has been utilized by the galvanizer.
8.      Provide a 20 Year Warranty against rust and 20 year warranty against coating failure.
9.      Fabricator shall provide a notarized statement from the galvanizer, along with a description of the material processed, indicating that all work has been done in conformance with this specification prior to receiving payment.
10.     Certificate of Compliance for Shop Drawing Review by Galvanizer: Submit galvanizer's certification that shop drawings for metal fabrications to receive metal coatings have been reviewed and that fabrications are acceptable to galvanizer for proper application of galvanizing and metal coatings. All drawings should be stamped by the galvanizer to indicate approval of design for galvanizing.
11.     Substitutions shall not be considered unless approved by Architect, Owner/Owner's Representative, and Contractor. Substitution requests shall be accompanied by proof that the substitution meets or exceeds the performance, aesthetic and durability requirements of the specified Duncan process. Coatings not matching approved submittals shall be removed and replaced at no additional expense to the Owner
12.     Galvanizer/coater shall supply a certificate of compliance that all coatings have been performed in accordance with QP-3 standards and procedures.

END OF SECTION

Duncan Galvanizing

1-800-638-1011

Duragalv Short Form Specification

2.XX HOT-DIP GALVANIZING AND FACTORY-APPLIED POLYMER FINISH-COLORSHIELD

2.XX HOT-DIP GALVANIZING AND FACTORY-APPLIED PRIMER - PRIMERGALV

2.XX HOT-DIP GALVANIZING AND FACTORY-APPLIED ARCHITECTURAL FINISH - COLORGALV

2.XX HOT-DIP GALVANIZING AND FACTORY-APPLIED ARCHITECTURAL FINISH WITH CLEARCOAT - COLORGALV CLEARCOAT

2.XX HIGH-PERFORMANCE THERMOSETTING BASED COATING - DUNCAN THERMOSET

2.XX HOT DIP GALVANIZING AND HIGH PERFORMANCE THERMOSETTING BASED TOPCOAT - DUNCAN COLORGALV THERMOSET

8. Provide 20 year warranty against rust.

2.XX HOT DIP GALVANIZING WITH THERMOSETTING BASED TIE COAT AND HIGH PERFORMANCE THERMOSETTING BASED TOPCOAT - DUNCAN COLORGALV THERMOSET 5

8. Provide 20 year warranty against rust and 5 year warranty against coating failure.

2.XX HOT DIP GALVANIZING WITH THERMOSETTING BASED TIE COAT, THERMOSETTING BASED COLOR COAT AND HIGH PERFORMANCE CLEAR TOPCOAT - DUNCAN COLORGALV THERMOSET 10

8. Provide 20 Year Warranty against rust and 10 year warranty against coating failure.

2.XX HOT DIP GALVANIZING AND HIGH PERFORMANCE FLUOROPOLYMER BASED COATING - DUNCAN COLORGALV THERMOSET 20