53-09900 Painting.pdf

SECTION 09900

PAINTING DIVISION 9

West Branch Regional Authority 09900-1 January 2026 Route 54 Sanitary Sewer Extension Project Painting Contract No. WB-1

PART 1 - GENERAL

1.01 DESCRIPTION OF WORK

A. Scope

1. The work covered under this section shall consist of providing all plant, labor, and material required to perform all Painting, as set forth on the Drawings and in accordance with this section of the Specifications.

2. Contractor shall be responsible for painting its work in accordance with the painting specifications, and specific requirements in other specifications for equipment and materials.

3. Painting shall include surface preparation, pretreatment, coating application, touch-up of factory-coated surfaces, protection of surfaces not to be coated, cleanup, and appurtenant work, all in accordance with the requirements of the Contract Documents.

B. The coating system schedules presented herein summarize the surfaces to be coated, the required surface preparation, and the painting systems to be applied.

C. The Contractor, together with its painting subcontractor, shall coordinate painting of concealed surfaces. The Contractor shall not install portable or readily detachable equipment and appurtenances without prior coordination and approval of the Engineer.

Surfaces concealed by portable objects and surface mounted equipment that are readily detachable by fasteners (screws and bolts) are included in the painting work. Surfaces to be permanently concealed and made inaccessible by panelboards, fixed ductwork, machinery, and equipment fixed in place are not included. Articles obstructing access to painting of surfaces specified to be included in the work shall be removed and restored to their original position upon completion of painting, by the respective Contractor.

D. Exterior painting shall include new surfaces, existing previously coated surfaces, and existing previously uncoated surfaces of designated structures. Where a space or surface is indicated to be coated, it shall include the painting of exposed piping, ductwork, and all other contiguous surfaces in the work area, unless specifically indicated otherwise in the Specifications or on the Drawings.

E. Mechanical and electrical painting shall include, but not be limited to, the field coating of piping, conduit, supports, hangers and miscellaneous metal work, unless specifically indicated otherwise in the Specifications or on the Drawings.

F. Related Work Specified Elsewhere in the Contract Documents

1. Section 05900: Miscellaneous Metals: Shop primer painting.

2. Section 03300: Cast-in-Place Concrete.

West Branch Regional Authority 09900-2 January 2026

3. Division 15: Mechanical.

4. Division 16: Electrical.

1.02 SURFACES NOT REQUIRING PAINTING

A. The following surfaces shall not require coating unless specifically indicated in the Specifications or on the Drawings:

1. Stainless steel

2. Aluminum

3. Bronze

4. Brass

5. Chromium-plated metals

6. Machined surfaces

7. Grease fittings

8. Equipment nameplates

9. Glass

10. Shop finished furnishings and equipment

11. Manhole frames and covers

12. Non-ferrous gratings, stair treads, door thresholds, and other similar non-ferrous walk surfaces

13. Galvanized steel except for touch up as specified herein

1.03 QUALITY ASSURANCE

A. Reference Standards, Specifications, and Codes

1. Without limiting the generality of other requirements of these specifications, all cleaning, surface preparation, coating, and appurtenant work shall conform to or exceed the applicable requirements of local building codes and the portions of the standards and specifications referenced herein. However, the provisions of said documents shall not lessen the requirements set forth in this section of the Specifications.

2. References herein to “SSPC Specifications” or “SSPC” shall mean the published standards of the Steel Structures Painting Council, 40 24th Street, 6th Floor, Pittsburgh, PA 15222-4656, (Telephone: 1-877-281-7772).

3. References herein to “NACE” shall mean the published standards of the National

Association of Corrosion Engineers, 1440 S. Creek Drive, Houston, TX 77084- 4906, (Telephone: 1-800-797-NACE (6223)).

B. The Contractor shall give the Engineer a minimum of three (3) days advance notice of the start of any field surface preparation work of coating application work and a minimum of seven (7) days advance notice of the start of any shop surface preparation work.

West Branch Regional Authority 09900-3 January 2026

C. All such work shall be performed only in the presence of the Engineer unless the Engineer has granted prior approval to perform such work in his absence.

D. Inspection by the Engineer, or the waiver of inspection of any particular portion of the work, shall not relieve the Contractor of his responsibility to perform the work in accordance with these Specifications.

E. Where painting is to be performed by a subcontractor, said subcontractor must provide three (3) references which show that the painting subcontractor has previous successful experience with the specified or comparable painting systems. Include the name, address, and the telephone number for the owner of each installation for which the painting subcontractor provided the painting.

F. Inspection Devices: The Contractor shall furnish, until final acceptance of such coatings, inspection devices in good working condition for the measurement of dry-film and wet-film thicknesses of coatings. Dry-film and wet-film thickness gages shall be made available for the Engineer's use at all times while painting is being done, until final acceptance of such coatings.

G. Film Thickness Testing: On ferrous metals, the dry film coating thickness shall be measured in accordance with the SSPC “Paint Application Specification No. 2” using a magnetic-type dry film thickness gauge such as Mikrotest Model FM, Elcometer Model 111/1EZ, or approved equal. Each coat shall be tested for the correct thickness. No measurements shall be made until at least (8) hours after application of the coating. On nonferrous metals and other substrates, the coating thicknesses shall be measured at the time of application using a wet-film gauge.

1.04 MANUFACTURER'S REPRESENTATIVE

A. Contractor shall require the paint manufacturer to furnish a qualified technical representative to visit the Project site for technical support, as heretofore specified herein, and as may be necessary to resolve field problems attributable or associated with the manufacturer's products furnished under this contract or the application thereof.

1.05 SAFETY AND HEALTH REQUIREMENTS

A. General: In accordance with current requirements of OSHA Safety and Health Standard for Construction and the applicable requirements of regulatory agencies having jurisdiction, as well as manufacturer's printed instructions, appropriate technical bulletins, manuals, and material safety data sheets, the Contractor shall provide and require use of personnel protective and safety equipment for persons working in or about the Project site.

B. Head and Face Protection and Respiratory Devices. The Contractor shall require all persons to wear protective helmets while in the vicinity of the work. In addition, workers engaged in or near the work during sandblasting shall wear eye and face protection devices and air purifying, halfmask or mouthpiece respirators with appropriate filters.

Barrier creams shall be used on any exposed areas of skin.

West Branch Regional Authority 09900-4 January 2026

C. Ventilation: Where ventilation is used to control hazardous exposure, all equipment shall be explosion-proof. Forced air ventilation shall be provided to reduce the concentration of air contaminants to the degree such that a hazard does not exist and to assist in the proper curing of coatings applied in a confined area. Air circulation and exhausting of solvent vapors shall be continued until coatings have fully cured. During curing periods for coatings applied within confined areas, air shall be continuously exhausted from the lowest level of the structure using portable ducting. After all interior coating operations have been completed the final curing period shall be a minimum of ten (10) days, during which the forced air ventilation system shall operate continuously.

D. Sound Levels: Whenever the occupational noise exposure exceeds maximum allowable sound levels permitted under OSHA regulations, the Contractor shall provide and require the use of approved ear protective devices.

E. Illumination: Adequate illumination shall be provided while work is in progress, including explosion-proof lights and electrical equipment. Whenever required by the Engineer, the Contractor shall provide additional illumination to cover all areas to be inspected. The level of illumination for inspection purposes shall be determined by the Engineer.

F. Temporary Access: All temporary ladders and scaffolding shall conform to applicable safety requirements. Scaffolding shall be erected where requested by the Engineer to facilitate inspection and shall be moved by the Contractor to locations as requested by the Engineer.

1.06 WARRANTY INSPECTION

A. Warranty Inspection: An inspection will be conducted at the end of the warranty period of the Contract. The Contractor and a representative of the coating material manufacturer shall attend this warranty inspection. All defective work shall be repaired in accordance with these Specifications and to the satisfaction of the Owner. If a warranty inspection is not held, the Contractor is not relieved of any of its responsibilities under the Contract Documents.

PART 2 - PRODUCTS

2.01 GENERAL

A. Definitions: The term “paint,” “coatings,” or “finishes” as used herein, shall include surface treatments, emulsions, enamels, paints, epoxy resins, and all other protective coatings, excepting galvanizing or anodizing, whether used as a pretreatment, primer, intermediate coat, or finish coat. The term “"DFT” means minimum dry film thickness.

B. Coating materials shall be sealed in containers that plainly show the designated name, formula or specification number, batch number, color, date of manufacturer, manufacturer's directions, and name of manufacturer; all of which shall be plainly legible at the time of use.

West Branch Regional Authority 09900-5 January 2026

C. The Contractor shall use coating materials suitable for the intended use and recommended by their manufacturer for the intended service.

D. Compatibility: Compatible coating system materials from a single manufacturer shall be used in the work. Particular attention shall be directed to compatibility of primers and subsequently applied coats. If necessary and subject to the approval of the Engineer, a barrier coat shall be applied between existing prime coat and subsequent coats to ensure compatibility.

E. Colors (General): All colors and shades of colors of all coats of paint shall be as selected or specified by the Engineer. Finish colors shall be as selected from the manufacturer's standard color samples by the Engineer.

F. Colors (Architectural): Colors of paint, whether for plaster, wood, masonry, or metal, and colors of wood stain and fillers shall be as selected by the Engineer. The fullest latitude shall be allowed in selecting colors for occupied areas; in some locations, the colors on the separate walls will be different, but the full height of any one wall, in general, from base to trim below ceiling, shall be of one color. Storage rooms and service areas will usually have only one color on all walls. All rooms will not be painted in the same colors; the color schemes will be determined later by the Engineer, after approval of the manufacturer of the paints, from full range of colors, including tints and shades. Where possible, consideration will be given to the use of manufacturer's standard colors, together with let-downs and shades of those colors.

G. Coating Materials: Products shall be standard products produced by recognized manufacturers who are regularly engaged in production of such materials for essential identical service conditions. Where requested, the Contractor shall provide the Engineer with the names of not less than ten (10) successful applications of the proposed manufacturer's products demonstrating compliance with this requirement.

H. Coating Manufacturers: Except as otherwise indicated herein, materials specified are from the catalogs of the companies listed herein. Materials by other manufacturers are acceptable provided that they are established as being compatible with and of equal quality to the coatings of the companies listed. The Contractor shall provide satisfactory documentation from the firm manufacturing the proposed material that the material meets the specified requirements and is equivalent or better than the listed materials in the following properties:

1. Quality

2. Durability

3. Resistance to abrasion and physical damage

4. Life expectancy

5. Ability to recoat in future

6. Solids content by volume

7. Dry-film thickness per coat

8. Compatibility with other coatings

9. Suitability for the intended service

West Branch Regional Authority 09900-6 January 2026

10. Resistance to chemical attack

11. Temperature limitations in service and during application

12. Type and quality of recommended undercoats and topcoats

13. Ease of application

14. Ease of repairing damaged areas

15. Stability of colors

I. The cost of testing and analyzing proposed substitute materials shall be paid by the

Contractor. If the proposed substitution requires changes in the contract work, the Contractor shall bear all such costs involved and the costs of allied trades affected by the substitution.

2.02 COATING SYSTEMS

A. Material Sources: Each of the following manufacturers is capable of supplying many of the coating materials specified herein. Where manufacturers and paint numbers are listed, it is to show the type and quality of coatings that are required. Proposed substitute material must be shown to satisfy the material descriptions and to equal or exceed the properties of the listed materials as required above in Paragraph 2.1.H.

1. Sherwin Williams Co., Cleveland, Ohio 2 ICI Paints of North America

3. TNEMEC, Kansas City, Mo.

4. Approved Equal.

SYSTEM 1

Acrylic Coating for Exterior Ferrous Metals including Galvanized Metal (Non-immersion service and not exposed at wastewater treatment units): Sherwin Williams or approved

EQUAL.

1. Prime: white color, on properly prepared unprimed metal or touch up: (DFT = 3 mils)

a. Pro-Cryl Universal Primer (B66-310 Series)

b. ICI/DEVOE Coatings Equivalent

c. TNEMEC - Series 18 Enviroprime.

d. Approved Equal

2. Intermediate, One Coat: (DFT = 3 mils)

a. Sher-Cryl HPA - High Gloss (B66-300 Series)

b. ICI/DEVOE Equivalent

c. TNEMEC - Series 28 Tuf Cryl

3. Finish, One Coat: (DFT = 3 mils)

a. Sherwin Williams - Same as Intermediate Coat

b. ICI/DEVOE Equivalent

c. TNEMEC - Same as Intermediate Coat

West Branch Regional Authority 09900-7 January 2026

4. Total system DFT-9.0 mils

PART 3 - EXECUTION

3.01 STORAGE, MIXING, AND THINNING OF MATERIALS

A. Manufacturer's Recommendations: Unless otherwise specified herein, the manufacturer's printed recommendations and instructions shall be strictly observed for thinning, mixing, handling, applying, and protecting its coating materials, for preparation of surfaces for coating, and for all other procedures relative to coating. The Contractor shall supply the Engineer with copies of each manufacturer's instructions as hereinbefore outlined.

B. All coating materials shall be used within the manufacturer's recommended shelf life.

C. Storage and Mixing: Coating materials shall be protected from exposure to cold weather, and shall be thoroughly stirred, strained, and kept at a uniform consistency during application. Coatings of different manufacturers shall not be mixed together.

3.02 PREPARATION FOR COATING

A. General: All surfaces to receive coatings shall be cleaned as specified herein prior to application of said coatings. The Contractor shall examine all surfaces to be coated and shall correct all surface defects before application of any coating material. All marred or abraded spots on shop-primed or factory-finished surfaces shall receive touch-up restoration prior to any coating application.

B. Protection of Surfaces Not to be Coated: Surfaces which are not to receive coatings shall be protected during surface preparation, cleaning, and coating operations. All hardware, lighting fixtures, switchplates, machined surfaces, couplings, shafts, bearings, nameplates, and other surfaces not to be painted shall be removed, masked, or otherwise protected.

Drop cloths shall be provided to prevent coating materials from falling on or marring adjacent surfaces. The working parts of all mechanical and electrical equipment shall be protected from damage during surface preparation and coating operations. Openings in motors shall be masked to prevent entry of coatings or other materials.

C. Care shall be exercised not to damage adjacent work during blast cleaning operations.

Spray painting shall be conducted under carefully controlled conditions. The Contractor shall be fully responsible for and shall promptly repair any and all damage to adjacent work or adjoining property occurring from blast cleaning or coating operations.

D. Protection of Painted Surfaces: Cleaning and coating shall be so programmed that dust and other contaminants from the cleaning process will not fall on wet, newly-coated surfaces.

West Branch Regional Authority 09900-8 January 2026

3.03 SURFACE PREPARATION STANDARDS

A. The following referenced surface preparation specifications of the Steel Structures Painting Council shall form a part of this Specification:

1. Solvent Cleaning (SSPC-SP1): Removal of oil, grease, dirt, soil salts, and contaminants by cleaning with solvent, vapor, alkali, emulsion, or steam.

2. Hand Tool Cleaning (SSPC-SP2): Removal of loose rust, loose mill scale, and loose paint to degree specified, by hand chipping, scraping, sanding, and wire brushing.

3. Power Tool Cleaning (SSPC-SP3): Removal of loose rust, loose mill scale, and loose paint to degree specified by power tool chipping, descaling, sanding, wire brushing, and grinding.

4. White Metal Blast Cleaning (SSPC-SP5): Removal of all visible rust, mill scale, paint, and foreign matter by blast cleaning by wheel or nozzle (dry or wet) using sand, grit, or shot.

5. Commercial Blast Cleaning (SSPC-SP6): Blast cleaning until at least two-thirds of each element of surface area is free of all visible residues.

6. Brush-Off Blast Cleaning (SSPC-SP7): Blast cleaning of all except tightly adhering residues of mill scale, rust, and coatings, exposing numerous evenly distributed flecks of underlying metal.

7. Near-White Metal Blast Cleaning (SSPC-SP10-63): Blast cleaning nearly to White

Metal Cleanliness, until at least 95% percent of each element of surface area is free of all visible residues.

3.04 FERROUS METAL SURFACE PREPARATION (UNGALVANIZED)

A. The minimum abrasive blasting surface preparation shall be as specified in the coating system schedules included at the end of this section. Where there is a conflict between these specifications for the intended service, the higher degree of cleaning shall apply.

B. Workmanship for metal surface preparation shall be in conformance with the current SSPC

Standards and this section. Blast cleaned surfaces shall match the standard samples available from the National Association of Corrosion Engineers, NACE Standard

TM-01-70.

C. All oil, grease, welding fluxes and other surface contaminants shall be removed by alkaline cleaning per SSPC-SP1 prior to blast cleaning.

D. All sharp edges shall be rounded or chamfered and all burrs, surface defects, and weld

West Branch Regional Authority 09900-9 January 2026 splatter shall be ground smooth prior to blast cleaning.

E. The type and size of abrasive shall be selected to produce a surface profile that meets the coating manufacturer's recommendation for the particular coating and service conditions.

F. The abrasive shall not be reused unless otherwise approved by the Engineer. For automated shop blasting systems, clean oil-free abrasives shall be maintained.

G. The Contractor shall comply with the applicable federal, state, and local air pollution control regulations for blast cleaning.

H. Compressed air for air blast cleaning shall be supplied at adequate pressure from well maintained compressors equipped with oil/moisture separators which remove at least 95 percent (95%) of the contaminants.

I. Surfaces shall be cleaned of all dust and residual particles of the cleaning operation by dry air blast cleaning, vacuuming, or another approved method prior to painting.

J. Enclosed areas and other areas where dust settling is a problem shall be vacuum cleaned and wiped with a tack cloth.

K. Damaged or defective coating shall be removed by the specified blast cleaning to meet the clean surface requirements before recoating.

L. If the specified abrasive blast cleaning will damage adjacent work, the area to be cleaned is less than 100 square feet, and the coated surface will not be submerged in service, then SSPC-SP2 (Hand Tool Cleaning) or SSPC-SP3 (Power Tool Cleaning) will be permitted.

M. Shop applied coatings of unknown composition shall be completely removed before the specified coatings are applied. Valves, castings, ductile or cast-iron pipe, and fabricated pipe or equipment shall be examined for the presence of shop-applied temporary coatings.

Temporary coatings shall be completely removed by solvent cleaning per SSPC-SP1 before the abrasive blast cleaning work is started.

N. Shop primed equipment shall be solvent cleaned in the field before finish coats are applied.

3.05 GALVANIZED FERROUS METAL SURFACE PREPARATION

A. Galvanized ferrous metal shall be alkaline cleaned per SSPC-SP1 to remove oil, grease, and other contaminants detrimental to adhesion of the protective coating system to be used.

B. Pretreatment coatings of surfaces shall be in accordance with the printed recommendations of the coating manufacturer.

West Branch Regional Authority 09900-10 January 2026

3.06 CONCRETE SURFACE PREPARATION

A. Surface preparation shall not begin until at least thirty (30) days after the concrete has been placed.

B. All oil, grease, and form release and curing components shall be removed by detergent cleaning per SSPC-SP1 before abrasive blast cleaning.

C. Concrete and deteriorated concrete surfaces to be coated shall be abrasive blast cleaned to remove laitance, deteriorated concrete, and to roughen the surface to the extent that small aggregate particles are exposed.

D. If acid etching is required by the coating application instructions, the treatment shall be made after sandblasting. After etching, rinse surfaces with water and test the pH. The pH shall be between neutral and 8.

E. Surfaces shall be clean and as recommended by the coating manufacturer before coating is started.

F. Unless required for proper adhesion, surfaces shall be dry prior to coating. The presence of moisture shall be determined with a moisture detection device such as Delmhorst Model DB or approved equal. Polyethylene sheet cover test for 24 hours may be used if method is specifically approved by the Engineer.

3.07 WORKMANSHIP

A. Skilled craftsmen and experienced supervision shall be used on all work.

B. Clean drop cloths shall be used. All damage to surfaces resulting from the work hereunder shall be cleaned, repaired and refinished to the complete satisfaction of the Engineer at no cost to the Owner.

C. All coatings shall be applied under dry and dust-free conditions. Coating shall be done in a workmanlike manner so as to produce an even film of uniform thickness. Edges, corners, crevices, and joints shall receive special attention to ensure that they have been thoroughly cleaned and that they receive an adequate thickness of coating material. The finished surfaces shall be free from runs, drops, ridges, waves, laps, brush marks, and variations in color, texture and finish. The hiding shall be so complete that the addition of another coat would not increase the hiding. Special attention shall be given to ensure that edges, corners, crevices, welds, and similar areas receive a film thickness equivalent to adjacent areas. Installations shall be protected by the use of drop cloths or other approved precautionary measures.

3.08 SHOP COATING REQUIREMENTS

A. All items of equipment, or parts of equipment may be shop primed and then finish coated

West Branch Regional Authority 09900-11 January 2026 in the field after installation with the specified or approved color. The methods, materials, application equipment, and all other details of shop painting shall comply with the Specifications. If the shop primer requires topcoating within a specified period of time, the equipment shall be finish coated in the shop and then touch-up painted after installation.

B. For certain pieces of equipment, it may be undesirable or impractical to apply finish coatings in the field. Such equipment may include electrical control panels, switchgear or main passages in valves, or other items where it is not possible to obtain the specified quality in the field. Such equipment shall be shop primed and finish coated and then touched up in the field with the identical material after installation. The Contractor shall require the manufacturer of each such piece of equipment to certify as part of its Shop Drawings that the surface preparation is in accordance with these Specifications. The coating material data sheet shall be submitted with the Shop Drawings for the equipment.

C. For certain pieces of equipment, the manufacturer may have a standard coating system which is suitable for the intended service conditions. In such cases, the final determination of suitability will be made during review of the Shop Drawing submittals. Equipment of this type generally includes only indoor equipment such as instruments, small compressors, and chemical metering pumps.

D. Shop painted surfaces shall be protected during shipment and handling by suitable provisions including padding, blocking, and the use of canvas or nylon slings. Primed surfaces shall not be exposed to the weather for more than six (6) months before topcoated, or less time if recommended by the coating manufacturer.

E. Damage to shop-applied coatings shall be repaired in accordance with this section and the coating manufacturers printed instructions.

F. The Contractor shall make certain that the shop primers and field topcoats are compatible and meet the requirements of this section. Copies of applicable coating manufacturer's data sheets shall be submitted with equipment Shop Drawings.

3.09 APPLICATION OF COATINGS

A. The application of protective coatings to steel substrates shall be in accordance with “Paint Application Specifications No. 1, (SSPC-A-1),” of the Steel Structures Painting Council.

B. Cleaned surfaces and all coats shall be inspected prior to each succeeding coat. The

Contractor shall schedule such inspection with the Engineer in advance.

C. Blast-cleaned ferrous metal surfaces shall be painted before any rusting or other deterioration of the surface occurs. Blast cleaning shall be limited to only those surfaces that can be coated in the same working day.

D. Coatings shall be applied in accordance with the manufacturer's instructions and recommendations, and this section. If directions differ, the most stringent requirements

West Branch Regional Authority 09900-12 January 2026 shall be followed.

E. Special attention shall be given to edges, angles, weld seams, flanges, nuts and bolts, and other places where insufficient film thicknesses are likely to be present. Use stripe painting for these areas.

F. Special attention shall be given to materials which will be joined so closely that proper surface preparation and application are not possible. Such surfaces shall be coated prior to assembly or installation.

G. Finish coats, including touch-up and damage repair coats, shall be applied in a manner which will present uniform texture and color matched appearance.

H. Coatings shall not be applied under the following conditions:

1. Temperature exceeding the manufacturer's recommended maximum and minimum allowable.

2. Dust or smoke laden atmosphere.

3. Damp or humid weather.

4. When the temperature is less than 5 degrees F. above dewpoint.

5. When air temperature is expected to drop below 40 degrees F. or less than 5 degrees F. above the dewpoint within eight (8) hours after application of coating.

I. Dewpoint shall be determined by use of a sling psychrometer in conjunction with U.S.

Department of Commerce, Weather Bureau psychro-metric tables.

J. Steel piping to be coated shall be abrasive blast cleaned and primed before installation.

K. The finish coat on all work shall be applied after all concrete, masonry, and equipment installation is complete and the work areas are clean and dust free. Exception: Article 3.13, A, where certain coatings require topcoating within a specified period of time, per the manufacturer. (Example: Potable Water Epoxy)

3.10 CURING OF COATINGS

A. The Contractor shall provide curing conditions in accordance with the recommendations of the coating material manufacturer or by this section, whichever is the highest requirement, prior to placing the completed coating system into service.

B. In the case of enclosed areas, forced air ventilation, using heated air, if necessary, may be required until the coatings have fully cured.

C. Forced Air Ventilation of Enclosed Structures: Forced air ventilation is required for the application of curing of coatings on the interior surfaces of enclosed structures. During curing periods continuously exhaust air from the lowest level of the structure using portable ducting. After all interior coating operations have been completed, provide a final curing

West Branch Regional Authority 09900-13 January 2026 period for a minimum of ten (10) days during which the forced ventilation system shall operate continuously. For additional requirements, refer to the specific coating system being used.

3.11 COATING SYSTEM SCHEDULE

a. Coating System Schedule for Ferrous Metal (Not Galvanized):

Code Applicable Item(s) Surface Prep. Coating System

FM-1 Exterior surfaces Commercial blast cleaning (SSPC-SP6) 1

FM-2 Interior surfaces, including Commercial blast 1 (but not limited to) pipe, pipe (SSPC-SP 6) couplings, valves, pipe hangers supports, sluice gate, pedestals, machinery, structural steel stairs, ladders, and miscellaneous metals, doors, door frames, trim, access panels, electric panels, grilles, registers and convectors

NOTE: Where isolated galvanized ferrous parts are associated with equipment or piping, the coating system for the adjacent connection surfaces shall be used in conjunction with approved pretreatment and/or primer.

3.12 MISCELLANEOUS PAINTING

A. Any small areas which do not have their coating systems clearly defined herein or on the Drawings shall receive surface preparations and coating systems to conform to the general intent of these specifications and as directed by the Engineer.