Duragalv Short Form Specification

2.XX        HOT-DIP GALVANIZING - DURAGALV®

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.

  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:

  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. 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.
  3. 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 or APPROVED EQUALS are defined as meeting the, aesthetic, durability and all other performance criteria as detailed in this specification. Substitution and/or APPROVED EQUALS requests shall be accompanied by proof that the substitution or APPROVED EQUAL meets or exceeds the aesthetic, durability and all other performance requirements of the specified Duncan Processes. Approvals of the substitution and/or APPROVED EQUALS shall be the right of the Owner, Owner’s Representative, the Architect or the Engineer. Coatings or processes not matching or exceeding the approved specified process including aesthetic, durability and all other performance criteria shall be removed and replaced at the expense of the contractor and all subcontractors that were involved with the supply of, and the application of the non conforming product. Intentional misrepresentation of processes is fraud.
  9. Galvanizer/coater shall supply a certificate of compliance that all coatings have been       performed in accordance with QP-3 standards and procedures.
  10. Duncan warrants the Duragalv process to be free from 10% or more visible rust for a period of twenty (20) years.

Primergalv Short Form Specification

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

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.

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

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.       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 and within 3 hours of surface preparation 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 insufficient for surface preparation.

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

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. 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. 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.
  9. 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.
  10. Substitutions or APPROVED EQUALS are defined as meeting the, aesthetic, durability and all other performance criteria as detailed in this specification. Substitution and/or APPROVED EQUALS requests shall be accompanied by proof that the substitution or APPROVED EQUAL meets or exceeds the aesthetic, durability and all other performance requirements of the specified Duncan Processes. Approvals of the substitution and/or APPROVED EQUALS shall be the right of the Owner, Owner’s Representative, the Architect or the Engineer. Coatings or processes not matching or exceeding the approved specified process including aesthetic, durability and all other performance criteria shall be removed and replaced at the expense of the contractor and all subcontractors that were involved with the supply of, and the application of the non conforming product. Intentional misrepresentation of processes is fraud.
  11. 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®

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.

  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 and within 3 hours of surface preparation 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 RESISTANCE - Method: ASTM D 4060 (CS17 Wheel, 1,000 grams     load).1kg load Result: 200 mg loss
    ADHESION - Method: ASTM      D4541 Result: 1050 psi
    CORROSION WEATHERING: Method: ASTM D5894, 13 cycles, 4,368 hours
    Result: Rating 10 per ASTM D714 for blistering; Rating: 7 per ASTM D610 for rusting
    DIRECT IMPACT RESISTANCE: Method: ASTM D2794  Result: 160 in. lbs.
    FLEXIBILITY: Method: ASTM D522, 180º bend, 1” mandrel Result: Passes
    PENCIL HARDNESS: Method: ASTM D3363  Result: 3B
    MOISTURE CONDENSATION RESISTANCE: Method: ASTM D4585, 100º F, 2000 hours
    Result: Passes, no cracking or delamination
    DRY HEAT RESISTANCE: Method: ASTM D2485  Result: 250º F
  2. Topcoat:
    ABRASION RESISTANCE - Method: ASTM D 4060, CS17 Wheel, 1,000 cycles 1kg load. Result: 87.1 mg loss
    ADHESION - Method: ASTM D 4541, Result: 1050 psi
    DIRECT IMPACT RESISTANCE: Method: ASTM D2794; Result: >28 in. pounds
    INDIRECT IMPACT RESISTANCE: Method: ASTM D2794; Result: 12-14 in. pounds
    DRY HEAT RESISTANCE: Method: ASTM D2485 Result: 200° F
    SALT FOG RESISTANCE:  Method: ASTM B 117  9,000 hours Result: Rating 10 per ASTM D714 for blistering
    FLEXIBILITY: Method: ASTM D522, 180° bend, 1/8” mandrel Result: Passes
    PENCIL HARDNESS: Method: ASTM D3363  Result: 2H
    MOISTURE CONDENSATION RESISTANCE: Method: ASTM D4585, 100° F, 1000 hours Result: No blistering or delamination
    XENON ARC TEST: ASTM D 4798 Result: Pass 200 hours

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. 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. 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.
  9. 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.
  10. Substitutions or APPROVED EQUALS are defined as meeting the, aesthetic, durability and all other performance criteria as detailed in this specification. Substitution and/or APPROVED EQUALS requests shall be accompanied by proof that the substitution or APPROVED EQUAL meets or exceeds the aesthetic, durability and all other performance requirements of the specified Duncan Processes. Approvals of the substitution and/or APPROVED EQUALS shall be the right of the Owner, Owner’s Representative, the Architect or the Engineer. Coatings or processes not matching or exceeding the approved specified process including aesthetic, durability and all other performance criteria shall be removed and replaced at the expense of the contractor and all subcontractors that were involved with the supply of, and the application of the non conforming product. Intentional misrepresentation of processes is fraud.
  11. Galvanizer/coater shall supply a certificate of compliance that all coatings have been       performed in accordance with QP-3 standards and procedures.
  12. Duncan warrants the Colorgalv process to be free from 10% or more visible 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 10 Short Form Specification

2.XX        HOT-DIP GALVANIZING AND FACTORY-APPLIED ARCHITECTURAL FINISH - COLORGALV 10®

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.

  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 and within 3 hours of surface preparation 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 RESISTANCE - Method: ASTM D 4060 (CS17 Wheel, 1,000 grams     load).1kg load Result: 200 mg loss
    ADHESION - Method: ASTM      D4541 Result: 1050 psi
    CORROSION WEATHERING: Method: ASTM D5894, 13 cycles, 4,368 hours
    Result: Rating 10 per ASTM D714 for blistering; Rating: 7 per ASTM D610 for rusting
    DIRECT IMPACT RESISTANCE: Method: ASTM D2794  Result: 160 in. lbs.
    FLEXIBILITY: Method: ASTM D522, 180º bend, 1” mandrel Result: Passes
    PENCIL HARDNESS: Method: ASTM D3363  Result: 3B
    MOISTURE CONDENSATION RESISTANCE: Method: ASTM D4585, 100º F, 2000 hours
    Result: Passes, no cracking or delamination
    DRY HEAT RESISTANCE: Method: ASTM D2485  Result: 250º F
  2. Topcoat:
    ABRASION RESISTANCE - Method: ASTM D 4060, CS17 Wheel, 1,000 cycles 1kg load. Result: 87.1 mg loss
    ADHESION - Method: ASTM D 4541, Result: 1050 psi
    DIRECT IMPACT RESISTANCE: Method: ASTM D2794; Result: >28 in. pounds
    INDIRECT IMPACT RESISTANCE: Method: ASTM D2794; Result: 12-14 in. pounds
    DRY HEAT RESISTANCE: Method: ASTM D2485 Result: 200° F
    SALT FOG RESISTANCE:  Method: ASTM B 117  9,000 hours Result: Rating 10 per ASTM D714 for blistering
    FLEXIBILITY: Method: ASTM D522, 180° bend, 1/8” mandrel Result: Passes
    PENCIL HARDNESS: Method: ASTM D3363  Result: 2H
    MOISTURE CONDENSATION RESISTANCE: Method: ASTM D4585, 100° F, 1000 hours Result: No blistering or delamination
    XENON ARC TEST: ASTM D 4798 Result: Pass 300 hours

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. 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. 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.
  9. 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.
  10. Substitutions or APPROVED EQUALS are defined as meeting the, aesthetic, durability and all other performance criteria as detailed in this specification. Substitution and/or APPROVED EQUALS requests shall be accompanied by proof that the substitution or APPROVED EQUAL meets or exceeds the aesthetic, durability and all other performance requirements of the specified Duncan Processes. Approvals of the substitution and/or APPROVED EQUALS shall be the right of the Owner, Owner’s Representative, the Architect or the Engineer. Coatings or processes not matching or exceeding the approved specified process including aesthetic, durability and all other performance criteria shall be removed and replaced at the expense of the contractor and all subcontractors that were involved with the supply of, and the application of the non conforming product. Intentional misrepresentation of processes is fraud.
  11. Galvanizer/coater shall supply a certificate of compliance that all coatings have been       performed in accordance with QP-3 standards and procedures.
  12. Duncan warrants the Colorgalv 10 process to be free from 10% or more visible rust for a period of twenty (20) years. Warranties for the finish shall be ten (10) years in accordance with the performance specifications referenced above.

Primer Thermoset Short Form Specification

2.XX        HIGH-PERFORMANCE THERMOSETTING BASED PRIMER - DUNCAN PRIMER THERMOSETSM

A.       High-Performance Thermosetting Primer for interior use over “Black” (uncoated) Steel and Aluminum and for exterior use over Aluminum

  1. Factory-applied metal coatings shall be performed in a facility acceptable to the coating manufacturer.
  2. Performance Criteria: Coatings must meet or exceed the criteria for the following categories as stipulated by the coatings manufacturer:
    ABRASION RESISTANCE - Method: ASTM D 4060 (CS17 Wheel, 1,000 grams load).1kg load Result: 200 mg loss
    ADHESION - Method: ASTM      D4541 Result: 1050 psi
    CORROSION WEATHERING: Method: ASTM D5894, 13 cycles, 4,368 hours
    Result: Rating 10 per ASTM D714 for blistering; Rating: 7 per ASTM D610 for rusting
    DIRECT IMPACT RESISTANCE: Method: ASTM D2794  Result: 160 in. lbs.
    FLEXIBILITY: Method: ASTM D522, 180º bend, 1” mandrel Result: Passes
    PENCIL HARDNESS: Method: ASTM D3363  Result: 3B
    MOISTURE CONDENSATION RESISTANCE: Method: ASTM D4585, 100º F,2000 hours
    Result: Passes, no cracking or delamination
    DRY HEAT RESISTANCE: Method: ASTM D2485  Result: 250º F
  3. All coating material shall be force cured in a calibrated oven capable of maintaining curing temperatures per the coating manufacturer’s specification.

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. 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.
  8. Substitutions or APPROVED EQUALS are defined as meeting the, aesthetic, durability and all other performance criteria as detailed in this specification. Substitution and/or APPROVED EQUALS requests shall be accompanied by proof that the substitution or APPROVED EQUAL meets or exceeds the aesthetic, durability and all other performance requirements of the specified Duncan Processes. Approvals of the substitution and/or APPROVED EQUALS shall be the right of the Owner, Owner’s Representative, the Architect or the Engineer. Coatings or processes not matching or exceeding the approved specified process including aesthetic, durability and all other performance criteria shall be removed and replaced at the expense of the contractor and all subcontractors that were involved with the supply of, and the application of the non conforming product. Intentional misrepresentation of processes is fraud.
  9. 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 THERMOSETSM

A.       High-Performance Thermosetting Based Durable Coating over Black (Uncoated) Steel for interior use or Aluminum for both interior and exterior use,  Duncan ThermosetSM  by  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 Result: 1050 psi
    FLEXIBILITY – Method:  ASTM D-522 (Cylindrical Mandrel) Passes
    HARDNESS – Method: ASTM D-3363 (Pencil) 2H
    SALT SPRAY – Method: ASTM B-117 Result: Passes 400 hrs
    HUMIDITY – Method: ASTM D-4585 , 100º F,2000 hours
             Result: Passes, no cracking or delamination
    IMPACT RESISTANCE  - Method: ASTM D-2794 Direct 160 in lbs
    COLOR RETENTION – ASTM D 2244 Result: 1∆E after 1 year (Based on inorganic resins)
    CHALK RESISTANCE – ASTM D 4214 Result; None
    GLOSS RETENTION – ASTM D 523 Result: No Loss 1 year
    XENON ARC TEST: ASTM D 4798 Result: Pass 200 hours
  3. All coating material shall be force cured in a calibrated oven capable of maintaining curing temperatures per the coating manufacturer’s specification.

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. 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.
  8. Substitutions or APPROVED EQUALS are defined as meeting the, aesthetic, durability and all other performance criteria as detailed in this specification. Substitution and/or APPROVED EQUALS requests shall be accompanied by proof that the substitution or APPROVED EQUAL meets or exceeds the aesthetic, durability and all other performance requirements of the specified Duncan Processes. Approvals of the substitution and/or APPROVED EQUALS shall be the right of the Owner, Owner’s Representative, the Architect or the Engineer. Coatings or processes not matching or exceeding the approved specified process including aesthetic, durability and all other performance criteria shall be removed and replaced at the expense of the contractor and all subcontractors that were involved with the supply of, and the application of the non conforming product. Intentional misrepresentation of processes is fraud.
  9. Galvanizer/coater shall supply a certificate of compliance that all coatings have been       performed in accordance with QP-3 standards and procedures.
  10. Warranties for fading or discoloration of the finish shall be that which is supplied by the coating manufacturer.

Thermoset 5 Short Form Specification

2.XX        HIGH-PERFORMANCE THERMOSETTING BASED COATING - DUNCAN THERMOSET 5SM

A.       High-Performance Thermosetting Based Durable Coating over Black (Uncoated) Steel for interior use or Aluminum for both interior and exterior use,  Duncan Thermoset 5SM  by  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 Result: 1050 psi
    FLEXIBILITY – Method:  ASTM D-522 (Cylindrical Mandrel) Passes
    HARDNESS – Method: ASTM D-3363 (Pencil) 2H
    SALT SPRAY – Method: ASTM B-117 Result: Passes 400 hrs
    HUMIDITY – Method: ASTM D-4585 , 100º F,2000 hours
             Result: Passes, no cracking or delamination
    IMPACT RESISTANCE  - Method: ASTM D-2794 Direct 160 in lbs
    COLOR RETENTION – ASTM D 2244 Result: 1.5∆E after 5 years (Based on inorganic resins)
    CHALK RESISTANCE – ASTM D 4214 Result; None
    GLOSS RETENTION – ASTM D 523 Result: Maximum 30 degree loss 5 years
    XENON ARC TEST: ASTM D 4798 Result: Pass 300 hours
  3. All coating material shall be force cured in a calibrated oven capable of maintaining curing temperatures per the coating manufacturer’s specification.

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. 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.
  8. Substitutions or APPROVED EQUALS are defined as meeting the, aesthetic, durability and all other performance criteria as detailed in this specification. Substitution and/or APPROVED EQUALS requests shall be accompanied by proof that the substitution or APPROVED EQUAL meets or exceeds the aesthetic, durability and all other performance requirements of the specified Duncan Processes. Approvals of the substitution and/or APPROVED EQUALS shall be the right of the Owner, Owner’s Representative, the Architect or the Engineer. Coatings or processes not matching or exceeding the approved specified process including aesthetic, durability and all other performance criteria shall be removed and replaced at the expense of the contractor and all subcontractors that were involved with the supply of, and the application of the non conforming product. Intentional misrepresentation of processes is fraud.
  9. Galvanizer/coater shall supply a certificate of compliance that all coatings have been performed in accordance with QP-3 standards and procedures.
  10. Duncan warrants the finish of the Thermoset 5SM process for a period of five (5) years in accordance with the performance specifications referenced above.

Thermoset 10 Short Form Specification

2.XX        HIGH-PERFORMANCE THERMOSETTING BASED COATING - DUNCAN THERMOSET 10SM

A.       High-Performance Thermosetting Based Durable Coating over Black (Uncoated) Steel for interior use or Aluminum for both interior and exterior use,  Duncan Thermoset 10SM  by  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 Result: 1050 psi
    FLEXIBILITY – Method:  ASTM D-522 (Cylindrical Mandrel) Passes
    HARDNESS – Method: ASTM D-3363 (Pencil) 2H
    SALT SPRAY – Method: ASTM B-117 Result: Passes 400 hrs
    HUMIDITY – Method: ASTM D-4585 , 100º F,2000 hours
             Result: Passes, no cracking or delamination
    IMPACT RESISTANCE  - Method: ASTM D-2794 Direct 160 in lbs
    COLOR RETENTION – ASTM D 2244 Result: 3∆E after 10 years (Based on inorganic resins)
    CHALK RESISTANCE – ASTM D 4214 Result; None
    GLOSS RETENTION – ASTM D 523 Result: Maximum 45 degree loss 10 years
    XENON ARC TEST: ASTM D 4798 Result: Pass 400 hours
  3. All coating material shall be force cured in a calibrated oven capable of maintaining curing temperatures per the coating manufacturer’s specification.

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. 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.
  8. Substitutions or APPROVED EQUALS are defined as meeting the, aesthetic, durability and all other performance criteria as detailed in this specification. Substitution and/or APPROVED EQUALS requests shall be accompanied by proof that the substitution or APPROVED EQUAL meets or exceeds the aesthetic, durability and all other performance requirements of the specified Duncan Processes. Approvals of the substitution and/or APPROVED EQUALS shall be the right of the Owner, Owner’s Representative, the Architect or the Engineer. Coatings or processes not matching or exceeding the approved specified process including aesthetic, durability and all other performance criteria shall be removed and replaced at the expense of the contractor and all subcontractors that were involved with the supply of, and the application of the non conforming product. Intentional misrepresentation of processes is fraud.
  9. Galvanizer/coater shall supply a certificate of compliance that all coatings have been performed in accordance with QP-3 standards and procedures.
  10. Duncan warrants the finish of the Thermoset 10SM process for a period of ten (10) years in accordance with the performance specifications referenced above.

Thermoset 15 Short Form Specification

2.XX        HIGH-PERFORMANCE THERMOSETTING BASED COATING - DUNCAN THERMOSET 15SM

A.       High-Performance Thermosetting Based Durable Coating over Black (Uncoated) Steel for interior use or Aluminum for both interior and exterior use,  Duncan Thermoset 15SM  by  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 Result: 1050 psi
    FLEXIBILITY – Method:  ASTM D-522 (Cylindrical Mandrel) Passes
    HARDNESS – Method: ASTM D-3363 (Pencil) 2H
    SALT SPRAY – Method: ASTM B-117 Result: Passes 400 hrs
    HUMIDITY – Method: ASTM D-4585 , 100º F,2000 hours
             Result: Passes, no cracking or delamination
    IMPACT RESISTANCE  - Method: ASTM D-2794 Direct 160 in lbs
    COLOR RETENTION – ASTM D 2244 Result: 3∆E after 15 years (Based on inorganic resins)
    CHALK RESISTANCE – ASTM D 4214 Result; None
    GLOSS RETENTION – ASTM D 523 Result: Maximum 45 degree loss 15 years
    XENON ARC TEST: ASTM D 4798 Result: Pass 400 hours
  3. All coating material shall be force cured in a calibrated oven capable of maintaining curing temperatures per the coating manufacturer’s specification.

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. 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.
  8. Substitutions or APPROVED EQUALS are defined as meeting the, aesthetic, durability and all other performance criteria as detailed in this specification. Substitution and/or APPROVED EQUALS requests shall be accompanied by proof that the substitution or APPROVED EQUAL meets or exceeds the aesthetic, durability and all other performance requirements of the specified Duncan Processes. Approvals of the substitution and/or APPROVED EQUALS shall be the right of the Owner, Owner’s Representative, the Architect or the Engineer. Coatings or processes not matching or exceeding the approved specified process including aesthetic, durability and all other performance criteria shall be removed and replaced at the expense of the contractor and all subcontractors that were involved with the supply of, and the application of the non conforming product. Intentional misrepresentation of processes is fraud.
  9. Galvanizer/coater shall supply a certificate of compliance that all coatings have been performed in accordance with QP-3 standards and procedures.
  10. Duncan warrants the finish of the Thermoset 15SM process for a period of fifteen (15) years in accordance with the performance specifications referenced above.

Primergalv ThermosetSMShort Form Specification

2.XX        HOT DIP GALVANIZING AND HIGH PERFORMANCE THERMOSETTING BASED PRIMER - DUNCAN PRIMERGALV THERMOSETSM

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 Primergalv ThermosetSM matching approved samples.

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

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. 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. 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 20 year warranty against 10% or more visible 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 or APPROVED EQUALS are defined as meeting the, aesthetic, durability and all other performance criteria as detailed in this specification. Substitution and/or APPROVED EQUALS requests shall be accompanied by proof that the substitution or APPROVED EQUAL meets or exceeds the aesthetic, durability and all other performance requirements of the specified Duncan Processes. Approvals of the substitution and/or APPROVED EQUALS shall be the right of the Owner, Owner’s Representative, the Architect or the Engineer. Coatings or processes not matching or exceeding the approved specified process including aesthetic, durability and all other performance criteria shall be removed and replaced at the expense of the contractor and all subcontractors that were involved with the supply of, and the application of the non conforming product. Intentional misrepresentation of processes is fraud.
  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 Short Form Specification

2.XX        HOT DIP GALVANIZING AND HIGH PERFORMANCE THERMOSETTING BASED DURABLE COATING - DUNCAN COLORGALV THERMOSETSM

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.

  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 Result: 1050 psi
    FLEXIBILITY – Method: ASTM D-522 (Cylindrical Mandrel) Passes
    HARDNESS – Method: ASTM D-3363 (Pencil) 2H
    SALT SPRAY – Method: ASTM B-117 Result: Passes 400 hrs
    HUMIDITY – Method: ASTM D-4585 , 100° F,2000 hours
          Result: Passes, no cracking or delamination
    IMPACT RESISTANCE - Method: ASTM D-2794 Direct 160 in lbs
    COLOR RETENTION – ASTM D 2244 Result: 1∆E after 1 year
    CHALK RESISTANCE – ASTM D 4214 Result: None
    GLOSS RETENTION – ASTM D 523 Result: No decrease 1 year
    XENON ARC TEST: ASTM D 4798 Result: Pass 200 hours
  3. Galvanizer shall create a profile on the surface to provide adhesion for the Duncan Thermoset.
  4. All coating material shall be force cured in a calibrated oven capable of maintaining curing temperatures per the coating manufacturer’s specification.

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 20 year warranty against 10% or more visible rust. Warranties for fading or discoloration of the finish shall be that which is supplied by the coating manufacturer.
  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 or APPROVED EQUALS are defined as meeting the, aesthetic, durability and all other performance criteria as detailed in this specification. Substitution and/or APPROVED EQUALS requests shall be accompanied by proof that the substitution or APPROVED EQUAL meets or exceeds the aesthetic, durability and all other performance requirements of the specified Duncan Processes. Approvals of the substitution and/or APPROVED EQUALS shall be the right of the Owner, Owner’s Representative, the Architect or the Engineer. Coatings or processes not matching or exceeding the approved specified process including aesthetic, durability and all other performance criteria shall be removed and replaced at the expense of the contractor and all subcontractors that were involved with the supply of, and the application of the non conforming product. Intentional misrepresentation of processes is fraud.
  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 AND THERMOSETTING BASED HIGH PERFORMANCE SUPER-DURABLE TOPCOAT - DUNCAN COLORGALV THERMOSET 5SM

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 5SM 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 Result: 1050 psi
    FLEXIBILITY – Method: ASTM D-522 (Cylindrical Mandrel) Passes
    HARDNESS – Method: ASTM D-3363 (Pencil) 2H
    SALT SPRAY – Method: ASTM B-117 Result: Passes 400 hrs
    HUMIDITY – Method: ASTM D-4585 , 100° F,2000 hours
          Result: Passes, no cracking or delamination
    IMPACT RESISTANCE - Method: ASTM D-2794 Direct 160 in lbs
    COLOR RETENTION – ASTM D 2244 Result: 1.5∆E after 5 years
    CHALK RESISTANCE – ASTM D 4214 Result: None
    GLOSS RETENTION – ASTM D 523 Result: Maximum 30 degree loss 5 years
    XENON ARC TEST: ASTM D 4798 Result: Pass 300 hours
  3. Galvanizer shall create a profile on the surface to provide adhesion for the Duncan Thermoset 5SM.
  4. All coating material shall be force cured in a calibrated oven capable of maintaining curing temperatures per the coating manufacturer’s specification.

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. 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.
  7. Provide 20 Year Warranty against rust and 5 year warranty against coating failure per the performance specifications referenced above.
  8. 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.
  9. 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.
  10. Substitutions or APPROVED EQUALS are defined as meeting the, aesthetic, durability and all other performance criteria as detailed in this specification. Substitution and/or APPROVED EQUALS requests shall be accompanied by proof that the substitution or APPROVED EQUAL meets or exceeds the aesthetic, durability and all other performance requirements of the specified Duncan Processes. Approvals of the substitution and/or APPROVED EQUALS shall be the right of the Owner, Owner’s Representative, the Architect or the Engineer. Coatings or processes not matching or exceeding the approved specified process including aesthetic, durability and all other performance criteria shall be removed and replaced at the expense of the contractor and all subcontractors that were involved with the supply of, and the application of the non conforming product. Intentional misrepresentation of processes is fraud.
  11. Galvanizer/coater shall supply a certificate of compliance that all coatings have been performed in accordance with QP-3 standards and procedures.


Colorgalv Thermoset 10 Short Form Specification

2.XX        HOT DIP GALVANIZING AND HIGH PERFORMANCE ULTRA-DURABLE COATING - DUNCAN COLORGALV THERMOSET 10SM

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 10SM 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 Result: 1050 psi
    FLEXIBILITY – Method: ASTM D-522 (Cylindrical Mandrel) Passes
    HARDNESS – Method: ASTM D-3363 (Pencil) 2H
    SALT SPRAY – Method: ASTM B-117 Result: Passes 400 hrs
    HUMIDITY – Method: ASTM D-4585 , 100° F,2000 hours
          Result: Passes, no cracking or delamination
    IMPACT RESISTANCE - Method: ASTM D-2794 Direct 160 in lbs
    COLOR RETENTION – ASTM D 2244 Result: 3∆E after 10 years
    CHALK RESISTANCE – ASTM D 4214 Result: None
    GLOSS RETENTION – ASTM D 523 Result: Maximum 45 degree loss 10 years
    XENON ARC TEST: ASTM D 4798 Result: Pass 400 hours
  3. Galvanizer shall create a profile on the surface to provide adhesion for the Duncan Thermoset 10SM.
  4. All coating material shall be force cured in a calibrated oven capable of maintaining curing temperatures per the coating manufacturer’s specification.

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. 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.
  7. Provide 20 Year Warranty against rust and 10 year warranty against coating failure per the performance specifications referenced above.
  8. 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.
  9. 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.
  10. Substitutions or APPROVED EQUALS are defined as meeting the, aesthetic, durability and all other performance criteria as detailed in this specification. Substitution and/or APPROVED EQUALS requests shall be accompanied by proof that the substitution or APPROVED EQUAL meets or exceeds the aesthetic, durability and all other performance requirements of the specified Duncan Processes. Approvals of the substitution and/or APPROVED EQUALS shall be the right of the Owner, Owner’s Representative, the Architect or the Engineer. Coatings or processes not matching or exceeding the approved specified process including aesthetic, durability and all other performance criteria shall be removed and replaced at the expense of the contractor and all subcontractors that were involved with the supply of, and the application of the non conforming product. Intentional misrepresentation of processes is fraud.
  11. Galvanizer/coater shall supply a certificate of compliance that all coatings have been performed in accordance with QP-3 standards and procedures.


Colorgalv Thermoset 15 Short Form Specification

2.XX        HOT DIP GALVANIZING AND HIGH PERFORMANCE HYPER-DURABLE COATING - DUNCAN COLORGALV THERMOSET 15SM

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 15SM 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 Result: 1050 psi
    FLEXIBILITY – Method: ASTM D-522 (Cylindrical Mandrel) Passes
    HARDNESS – Method: ASTM D-3363 (Pencil) 2H
    SALT SPRAY – Method: ASTM B-117 Result: Passes 400 hrs
    HUMIDITY – Method: ASTM D-4585 , 100° F,2000 hours
          Result: Passes, no cracking or delamination
    IMPACT RESISTANCE - Method: ASTM D-2794 Direct 160 in lbs
    COLOR RETENTION – ASTM D 2244 Result: 3∆E after 15 years
    CHALK RESISTANCE – ASTM D 4214 Result: None
    GLOSS RETENTION – ASTM D 523 Result: Maximum 45 degree loss 15 years
    XENON ARC TEST: ASTM D 4798 Result: Pass 400 hours
  3. Galvanizer shall create a profile on the surface to provide adhesion for the Duncan Thermoset 15SM.
  4. All coating material shall be force cured in a calibrated oven capable of maintaining curing temperatures per the coating manufacturer’s specification.

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. 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.
  7. Provide 20 Year Warranty against rust and 15 year warranty against coating failure per the performance specifications referenced above.
  8. 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.
  9. 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.
  10. Substitutions or APPROVED EQUALS are defined as meeting the, aesthetic, durability and all other performance criteria as detailed in this specification. Substitution and/or APPROVED EQUALS requests shall be accompanied by proof that the substitution or APPROVED EQUAL meets or exceeds the aesthetic, durability and all other performance requirements of the specified Duncan Processes. Approvals of the substitution and/or APPROVED EQUALS shall be the right of the Owner, Owner’s Representative, the Architect or the Engineer. Coatings or processes not matching or exceeding the approved specified process including aesthetic, durability and all other performance criteria shall be removed and replaced at the expense of the contractor and all subcontractors that were involved with the supply of, and the application of the non conforming product. Intentional misrepresentation of processes is fraud.
  11. 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



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