Attachment_2_-_Maintain_Exterior_Various_Facilities_SPECS.pdf

PROJECT:

REPAINT EXTERIOR WALL OF VARIOUS FACILITIES

Building #4605, 4231, 6005, 6006 Carwash, 4002, 6965, 7404, 7420

PROJECT NUMBER: MAHG19-1042

29 May 2019

KEESLER AIR FORCE BASE BILOXI, MISSISSIPPI

Keesler AFB 508 L Street Keesler AFB, MS 39534

MAHG19-1042

29 May 2019

INDEX

SECTION NAME

00 10 20 DRAWING LIST – SPECIFICATION FRONT END

01 30 00 SUBMITTALS

01 73 20 SELECTIVE DEMOLITION

07 24 00 GENERAL CLEANING AND REMOVAL OF MOLD AND MILDEW

07 92 00 JOINT SEALANTS

09 01 70 REPAIR OF EXTERIOR INSULATION FINISH SYSTEMS

09 90 00 PAINTING AND COATING

29 May 2019

SECTION 00 10 20

LIST OF DRAWINGS

PART 1 GENERAL

1.1 SUMMARY

This document lists the drawings for the project.

1.2 CONTRACT DRAWINGS

Contract drawings are as follows:

DRAWING No. TITLE

T1.0 TITLE SHEET

A1.0 #4605 - CONTRACTING – KEY PLAN, ELEVATIONS, NOTES, PHOTOS

A1.1 #4231 - TRAINING CENTER CHILLER PLANT – KEYPLAN, ELEVATIONS, NOTES

A1.2 #6005 - AUTO HOBBY SHOP - ELEVATIONS, NOTES, PHOTOS

A1.3 #6006 - CARWASH AT AUTO HOBBY SHOP – ELEVATIONS, NOTES, PHOTOS

A1.4 #4002 – TAYLOR LOGISTICS – KEYPLAN, ELEVATION, NOTES, PHOTOS

A1.5 #6965 – FOSTER MANOR DORMITORY – KEYPLAN, NOTES

A1.6 #6965 – FOSTER MANOR DORMITORY – ELEVATIONS, NOTES

A1.7 #7404 – WINTER MANOR DORMITORY – KEYPLAN, NOTES

A1.8 #7404 – WINTER MANOR DORMITORY – ELEVATIONS, NOTES

A1.9 #7420 – ERWIN MANOR DORMITORY – KEYPLAN, NOTES

A1.10 #7420 – ERWIN MANOR DORMITORY – ELEVATIONS, NOTES

END OF SECTION

29 MAY 2019

Section 01 30 00_1-3

SECTION 01 30 00

SUBMITTALS

1.01 GENERAL

A. Related Requirements Specified Elsewhere

1. General Conditions-Statement of Work

B. Send all submittals to:

SrA Frederick Cherry (Contracting Specialist) 81 Contracting Squadron 310 M. Street Bldg. 4605 Keesler AFB MS 39534 W: 228-377-1822 frederick.cherry@us.af.mil

1.02 CONSTRUCTION SCHEDULE

A. Provide projected construction schedules for entire work, revise periodically.

B. Prepare in form of horizontal bar chart.

1. Provide separate horizontal bar column for each trade or operation.

2. Order: Chronological order or beginning of each item of work.

3. Identify each column:

a. By major specification section number.

b. By distinct graphic delineation.

4. Horizontal time scale: Identify first workday of each week.

5. Scale and spacing: To allow space for updating.

C. Provide complete sequence of construction by activity.

1. Shop Drawings, Product Data and Samples:

a. Submittal dates.

b. Dates reviewed copies will be required.

2. Product procurement and delivery dates.

3. Dates for beginning and completion of each element of construction, specifically:

Ordering/Delivery of Materials Preparation of Installation site Installation of Carpeting and accessories

D. Show projected percentage of completion for each item of work as of first day of each month.

1.03 SUB-CONTRACTORS AND SUPPLIERS

A. Submit to the Contracting Officer within 10 days of award of contract a list of all sub contractors to be used on the work.

B. Submit to the Contracting Officer within 10 days of award of contractor a list of all suppliers and material men furnishing products to be incorporated in the work not a part of a sub-contract.

Section 01 30 00_2-3

C. Lists shall include company name, address, phone number and contact person if applicable.

1.04 SHOP DRAWINGS, PRODUCT DATA AND SAMPLES

A. Submit to the Designer samples and product data on the following:

1. Cleaning Procedures

2. Joint Sealants

3. Paint

4. Any and all contingent components deemed necessary by the Contracting Officer.

B. Each submittal shall be forwarded to:

SrA Frederick Cherry (Contracting Specialist) 81 Contracting Squadron 310 M. Street Bldg. 4605 Keesler AFB MS 39534 W: 228-377-1822 frederick.cherry@us.af.mil with a separate transmittal letter identifying specification section and number pertinent to submittal. Transmittal letter shall delineate all variations of product submitted from that specified.

C. Designate on the Construction Schedule dates for submission and dates reviewed shop drawings, product data and samples will be needed for each product.

D. Product Data

1. Manufacturer's standard schematic drawings:

a. Modify drawings to delete information not applicable to project.

b. Supplement standard information to provide additional information applicable to project.

2. Manufacturer's catalog sheets, brochures, diagrams, schedules, performance charts, illustrations and other standard descriptive data.

a. Clearly mark each copy to identify pertinent materials, products or models.

b. Show dimensions and clearances required.

c. Show performance characteristics and capacities.

d. Show wiring diagrams and controls.

E. Contractor Responsibilities

1. Review shop drawings, product data and samples prior to submission.

2. Verify:

a. Field measurements.

b. Field construction criteria.

c. Catalog numbers and similar data.

3. Coordinate each submittal with requirements of work and of Contract Documents.

4. Contractor's responsibility for errors and omissions in submittals is not relieved by

Contracting Officer's review of submittals.

5. Contractor's responsibility for deviations in submittals from requirements of Contract

Documents is not relieved by Contracting Officer's review of submittals, unless Contracting Officer gives written acceptance of specific deviations.

6. Notify Contracting Officer in writing at time of submission of deviations in submittals from requirements of Contract Documents.

7. Begin no work which requires submittals until return of submittals with Contracting Officer's stamp and initials or signature indicating review.

Section 01 30 00_3-3

8. After Contracting Officer's review, distribute copies.

F. Submission Requirements

1. Schedule submissions at least ten days before dates reviewed submittals will be needed.

2. Submit number of shop drawings and product data and samples which Contractor requires for distribution plus two copies which will be retained by Contracting Officer on all items.

3. Accompany submittals with transmittal letter, in duplicate, containing:

a. Date

b. Project title and number

c. Contractor's name and address

d. Identification of product or material

e. Relation to adjacent structure or materials

f. Field dimensions, clearly identified as such

g. Specification section number. Applicable standards, such as ASTM number or

Federal Specification.

I. Contractor's stamp initialed or signed certifying to review of submittal, verification of field measurements and compliance with Contract Documents.

G. Resubmission Requirements

1. Shop Drawings:

a. Revise initial drawings as required and resubmit as specified for initial submittal.

b. Indicate on drawings any changes, which have been made other than those requested by Contracting Officer.

2. Product Data and Samples: Submit new data and samples as required for initial submittal.

MAHG17-1042

SECTION 01 73 20_1/3

SECTION 01 73 20

SELECTIVE DEMOLITION

PART 1 - GENERAL

1.1 SUMMARY

Section Includes:

Removal of selected portions of building or structure.

1.2 DEFINITIONS

Remove: Detach items from existing construction and legally dispose of them off-site unless indicated to be removed and salvaged or removed and reinstalled.

Remove and Reinstall: Detach items from existing construction, prepare for reuse, and reinstall where indicated.

Existing to Remain: Existing items of construction that are not to be permanently removed and that are not otherwise indicated to be removed, removed and salvaged, or removed and reinstalled.

1.3 INFORMATIONAL SUBMITTALS

Pre-demolition Photographs or Video: Submit before Work begins.

1.4 CLOSEOUT SUBMITTALS

Landfill Records: Indicate receipt and acceptance of hazardous wastes by a landfill facility licensed to accept hazardous wastes.

1.5 FIELD CONDITIONS

Conditions existing at time of inspection for bidding purpose will be maintained by THE GOVERNMENT as far as practical.

Before selective demolition, THE GOVERNMENT will remove the following items:

Furnishings/equipment within the area of work.

Notify Contracting Officer of discrepancies between existing conditions and Drawings before proceeding with selective demolition.

Hazardous Materials: It is expected that hazardous materials will be encountered in the Work.

Building 4605 – LBP – metal hand-railing and metal door casings (brown) were tested positive for

LBP.

Hazardous materials will be removed by THE GOVERNMENT before start of the Work.

Unless specifically stated as part of the project.

If suspected hazardous materials are encountered, do not disturb; immediately notify THE

GOVERNMENT. Hazardous materials will be removed by THE GOVERNMENT under a separate contract.

Storage or sale of removed items or materials on-site is not permitted.

Utility Service: Maintain existing utilities indicated to remain in service and protect them against damage during selective demolition operations. Maintain fire-protection facilities in service during selective demolition operations.

SECTION 01 73 20_2/3

PART 2 - PRODUCTS

2.1 PEFORMANCE REQUIREMENTS

A. Regulatory Requirements: Comply with governing EPA notification regulations before beginning selective demolition. Comply with hauling and disposal regulations of authorities having jurisdiction.

B. Standards: Comply with ANSI/ASSE A10.6 and NFPA 241.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verify that utilities have been disconnected and capped before starting selective demolition operations.

B. Survey existing conditions and correlate with requirements indicated to determine extent of selective demolition required.

C. When unanticipated mechanical, electrical, or structural elements that conflict with intended function or design are encountered, investigate and measure the nature and extent of conflict. Promptly submit a written report to Contracting Officer.

3.2 UTILITY SERVICES AND MECHANICAL/ELECTRICAL SYSTEMS

A. Existing Services/Systems to Remain: Maintain services/systems indicated to remain and protect them against damage.

B. Existing Services/Systems to Be Removed, Relocated, or Abandoned: (Notify Project

Manage and Contracting Officer 48 hours prior to any service disconnection) Locate, identify, disconnect, and seal or cap off indicated utility services and mechanical/electrical systems serving areas to be selectively demolished.

A. Arrange to shut off indicated utilities with utility companies.

B. If services/systems are required to be removed, relocated, or abandoned, provide temporary services/systems that bypass area of selective demolition and that maintain continuity of services/systems to other parts of building.

a. Equipment to Be Removed: Disconnect and cap services and remove equipment.

b. Equipment to Be Removed and Reinstalled: Disconnect and cap services and remove, clean, and store equipment; when appropriate, reinstall, reconnect, and make equipment operational.

3.3 PREPARATION

A. Temporary Shoring: Provide and maintain shoring, bracing, and structural supports as required to preserve stability and prevent movement, settlement, or collapse of construction and finishes to remain, and to prevent unexpected or uncontrolled movement or collapse of construction being demolished.

3.4 SELECTIVE DEMOLITION, GENERAL

A. General: Demolish and remove existing construction only to the extent required by repair work/new construction and as indicated. Use methods required to complete the Work within limitations of governing regulations and as follows:

1. Neatly cut openings and holes plumb, square, and true to dimensions required. Use cutting methods least likely to damage construction to remain or adjoining construction. Use hand tools or small power tools designed for sawing or grinding, not hammering and chopping, to minimize disturbance of adjacent surfaces. Temporarily cover openings to remain.

a. Cut or drill from the exposed or finished side into concealed surfaces to avoid marring

SECTION 01 73 20_3/3

existing finished surfaces.

b. Do not use cutting torches until work area is cleared of flammable materials. At concealed spaces, such as duct and pipe interiors, verify condition and contents of hidden space before starting flame-cutting operations. Maintain fire watch and portable fire-suppression devices during flame-cutting operations.

c. Locate selective demolition equipment and remove debris and materials so as not to impose excessive loads on supporting walls, floors, or framing.

d. Dispose of demolished items and materials promptly.

2. Removed and Reinstalled Items:

a. Clean and repair items to functional condition adequate for intended reuse.

b. Pack or crate items after cleaning and repairing. Identify contents of containers.

c. Protect items from damage during transport and storage.

d. Reinstall items in locations indicated. Comply with installation requirements for new materials and equipment. Provide connections, supports, and miscellaneous materials necessary to make item functional for use indicated.

3. Existing Items to Remain: Protect construction indicated to remain against damage and soiling during selective demolition. When permitted by Contracting Officer, items may be removed to a suitable, protected storage location during selective demolition and cleaned and reinstalled in their original locations after selective demolition operations are complete.

3.5 DISPOSAL OF DEMOLISHED MATERIALS

General: Except for items or materials indicated to be recycled, reused, salvaged, reinstalled, or otherwise indicated to remain THE GOVERNMENT's property, remove demolished materials from Project site and legally dispose of them in an EPA-approved landfill.

Do not allow demolished materials to accumulate on-site.

Remove and transport debris in a manner that will prevent spillage on adjacent surfaces and areas.

Remove debris from elevated portions of building by chute, hoist, or other device that will convey debris to grade level in a controlled descent.

Comply with requirements specified in Section 01524 "Construction Waste Management."

Burning: Do not burn demolished materials.

Disposal: Transport demolished materials off THE GOVERNMENT's property and legally dispose of them.

3.6 CLEANING

Clean adjacent structures and improvements of dust, dirt, and debris caused by selective demolition operations. Return adjacent areas to condition existing before selective demolition operations began.

SECTION 07240

GENERAL CLEANING AND REMOVAL OF MOLD AND MILDEW

ON EXTERIOR INSULATED AND FINISH SYSTEMS AND STUCCO

PART 1: GENERAL

1.1 DESCRIPTION AND SCOPE

A. Requirements contained within Division I (General Requirements) are applicable to the work required of this section. Provide labor, materials, equipment and supervision necessary to complete the cleaning of the exterior wall and finish systems including:

1. Substrate inspection and preparation

2. Protection of damaged wall areas

3. Protection of adjacent materials sensitive to cleaning

4. Protection of plants and sensitive vegetation

5. Use of safety equipment

6. Handling and mixing of cleaning chemicals

7. Operation of application equipment

8. Final inspection of and assessment of cleaning

B. Referenced Documents:

Standards

ASTM D4610: Standard Guide for Determining the Presence of and Removing Microbial Growth on paint and Related Coatings

ASTM F923: Guide for High visibility Materials to Improve Individual Safety

ASTM E1542: Terminology Relating to Occupational Health and Safety

ASTM D2020: Standard Test Method for Sampling and Analysis of Chlorine Containing

Bleaches

ASTM D460: Standard Method for Sampling and Analysis of Soap Products

ASTM D3274: Test Method for Evaluating the Degree of Surface Disfigurement of Paint Films by Microbiological Growth or Soil and Dirt accumulation

ASTM C920: Joint Sealants

ASTM C1193: Use of Joint Sealants

C. Terms and Definitions

1. Exterior Insulated and Finish System (EIFS) and Hard Coat Stucco EIFS is a non-bearing exterior cladding consisting of a layer of rigid insulation board and an outer lamina. The lamina consists of a fiberglass mesh reinforced base coat layer and an outer layer of synthetic stucco finish. A hard Coat Stucco system is a Portland cement plaster base top-coated with a synthetic finish or plaster finish.

2. Bleach - An alkaline aqueous solution of a known quantity of sodium hypochlorite.

3. Borax - A white powder consisting of Sodium Metaborate.

4. Soap -A chemical designed to lower the surface tension of water and promote an oil-in-water emulsion system.

5. Microbiological Growth – the presence of algae, fungus, bacterial or their related byproducts including spores or mycotoxins.

6. Dirt pickup – the accumulation of soil, dirt and pollutants on a surface.

7. Sealant -A permanently flexible self-sticking compound that is used to seal seams in the system.

1.2 DESIGN LIMITATIONS

All procedures shall conform to job document recommendations and shall be consistent with the project requirements.

A. Substrate

1. The optimum equipment necessary to access all wall areas to be treated will be determined.

2. All areas to masked and protected will be determined.

3. All damaged areas including sealant will be protected or repaired.

B. Safety

1. Proper safety equipment will be available for all laborers.

2. Areas to be cordoned off will be determined.

3. Wind velocity will be monitored.

C. Inspection

1. If desired, coating deterioration due to microbiological activity or dirt contamination assessment IAW ASTM D3274 will be made prior to cleaning.

2. Photographic record and written record of the wall surface condition will be made prior to cleaning.

3. Photographic record and written record of the cleaning process and result will be made.

D. Joints

1. The condition of the sealant joints will be noted. Failed joints will be protected by masking during the cleaning process unless repaired under separate contract prior to cleaning

1.3 QUALITY ASSURANCES

A The contractor shall have a minimum of one year experience in the wall construction and cleaning trades, demonstrate the ability to clean the wall based on projects of similar size and complexity, and meet the approval of the general manager.

B The contractor shall provide the equipment, manpower, materials and supervision necessary to clean the wall system in compliance the project plans and specifications.

1.4 SUBMITTALS

A. The submittal consisting of this bid specification and supporting contractor documentation will be provided to the building owner-representative.

1.5 PRODUCT DELIVERY AND STORAGE

A Delivery: Deliver all materials necessary for cleaning in original, unopened containers with legible identification intact.

B Storage:

1. Store all materials off the ground, under cover and protected from dampness and sunlight.

2. All liquid products shall be stored at 40 F or above and protected from freezing.

Protect from exposure to direct sunlight during storage and temperatures exceeding 110 F.

3. Keep materials secure from children, pets and the general public.

1.6 JOB CONDITIONS

A. Install all materials in strict accordance with all safety and weather conditions required by this specification.

B. Apply cleaning solution when the ambient temperature is 40 F (4.4 C) and rising. Do not apply or rinse solutions on a frozen surface.

C. Avoid application in high wind (wind speeds in excess of 12 mph). Avoid application in direct sunlight as this will reduce the effective contact time of the cleaning solution.

D. Protect surrounding areas and sensitive surfaces including metalized glass during application and rinsing of the cleaning solution.

E. Hot walls may be cooled by rinsing with clear water prior to cleaning application.

1.7 COORDINATION AND SCHEDULING

A. Closely coordinate work with related sections and trades.

B. Protect the tops of walls to prevent water from entering behind the system.

C. Protect open joints or penetrations from water intrusion.

1.8 SYSTEM WARRANTY

A. A Warranty application for warranty form shall be completed prior to completion of the installation.

B. Upon completion of the installation in accordance with specifications and payment of monies due, a limited 90 day materials Warranty shall be issued.

PART 2: MATERIALS

2.1 SAFETY EQUIPMENT

A. All persons handling the mixing or application of the cleaning solution shall wear the following safety equipment:

1. Full coveralls

2. Rubber gloves

3. Safety goggles

4. Dust, mist, fume mask

5. Hat or other head covering

2.2 CLEANING SOLUTION MATERIALS

A. NOT ALLOWED - Chlorine Bleach.

B. NOT ALLOWED - Borax.

C. NOT ALLOWED - Liquid dish cleaning soap.

D. ALLOWED – WATER ONLY. Cleaning requires a faucet source of clean, potable water.

*PER STORMWATER PERMIT, NO SOAPS, CHEMICALS OR DETERGENTS WILL BE

ALLOWED TO GO IN THE STORM DRAINS.

2.3 MIXING AND PREPARATION OF CLEANING SOLUTION

Cleaning solution – WATER ONLY.

PART 3 EXECUTION

3.1 EQUIPMENT

A. Have spray equipment available capable of delivering a low pressure spray or stream of cleaning solution and clear water to the wall areas to be treated.

B. Have sufficient manpower available for the use of equipment to access all wall areas.

This equipment may include bucket-lift trucks, drop staging, scaffolding, scissors scaffolding, and ladders.

3.2 SUBSTRATE

A. PREPARATION

1. Mask and protect all materials and surfaces that could potentially be sensitive to chlorine bleach solution.

2. Cover or mask any openings, holes or damaged areas to prevent water or cleaning solution from entering the wall cavity.

B. SURROUNDING AREA

1. Protect plants and sensitive vegetation from over-spray with tarps or polyethylene sheeting.

2. Insure that cars and pedestrians are kept clear of potential overspray areas. If necessary, rope off these areas.

3. Insure that building windows are closed and that occupants are advised of the cleaning process.

C APPLICATION

1. Start at the upper wall areas and work downward.

2. Always use low-pressure spray for either the water spray or the cleaning solution. Spray pressures must never exceed 300 psi.

3. If the wall is warm or if working in the sun in warm weather, wet the wall with clear water.

4. Starting at the top of a wall area, apply cleaning solution to the wall with a low-pressure spray or stream. Use horizontal sweeps to apply the cleaning solution.

Keep a six to twelve inch run-down of cleaning solution on the wall surface below the stream. Adjust the spray or stream to avoid excessive misting and bounce-back of the cleaning solution.

5. Treat entire vertical sections of wall area before moving to the next area.

6. Allow the WATER to have three to five minutes of contact time with the wall surface. Thoroughly rinse the wall surface beginning at the top with a clear water spray.

3.3 RE-APPLICATION

A. Wall areas may be re-cleaned one additional time, if necessary, following the above procedure to achieve a more thorough result. This will be determined by visual inspection after the first cleaning a permitting sufficient time for the wall area to dry.

3.4 JOB SITE CLEANUP

A. All excess materials, tarps, equipment and masking shall be removed from the job site by the applicator.

B. All surrounding areas where materials have been applied shall be left free of debris and foreign substances.

3.5 INSPECTION

A. Building owner-representative will visit the job and inspect the walls prior to and after the cleaning in the presence of the applicator. Before and after photos will be taken by the applicator and dated for documentation purposes. Notes of the inspection will be made by the applicator and initialed by the applicator and building owner-representative. Both parties will retain a copy of the inspection notes.

SECTION 07 92 00_1/6

SECTION 07 92 00

JOINT SEALANTS

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

ASTM INTERNATIONAL (ASTM)

ASTM C1311 (2010) Standard Specification for Solvent Release Agents

ASTM C509 (2006; R 2011) Elastomeric Cellular Preformed Gasket and Sealing Material

ASTM C734 (2006; R 2012) Low-Temperature Flexibility of Latex Sealant After Artificial Weathering

ASTM C834 (2010) Latex Sealants

ASTM C919 (2012) Use of Sealants in Acoustical Applications

ASTM C920 (2011) Standard Specification for Elastomeric Joint Sealants

ASTM D1056 (2007) Standard Specification for Flexible Cellular Materials - Sponge or Expanded Rubber

ASTM D1667 (2005; R 2011) Flexible Cellular Materials - Poly (Vinyl Chloride) Foam (Closed-Cell)

ASTM D217 (2010) Cone Penetration of Lubricating Grease

ASTM D2452 (2003; R 2009) Standard Test Method for Extrudability of Oil- and Resin-Base Caulking Compounds

ASTM D2453 (2003; R 2009) Standard Test Method for Shrinkage and Tenacity of Oil- and Resin-Base Caulking Compounds

ASTM E84 (2012c) Standard Test Method for Surface Burning Characteristics of Building Materials

1.2 SUBMITTALS

Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

A. SD-03 Product Data

1. Sealants

2. Primers

3. Bond breakers

4. Backstops

Manufacturer's descriptive data including storage requirements, shelf life, curing time, instructions for mixing and application, and primer data (if required). Provide a copy of the Material Safety Data Sheet for each solvent, primer or sealant material.

MAHG17-1056

08JUNE2018

SECTION 07 92 00_2/6

B. SD-07 Certificates

1. Sealant

2. Certificates of compliance stating that the materials conform to the specified requirements.

1.3 ENVIRONMENTAL CONDITIONS

Apply sealant when the ambient temperature is between 4 and 32 degrees C 40 and 90 degrees F.

1.4 DELIVERY AND STORAGE

Deliver materials to the job site in unopened manufacturers' external shipping containers, with brand names, date of manufacture, [color,] and material designation clearly marked thereon.

Label elastomeric sealant containers to identify type, class, grade, and use. Carefully handle and store materials to prevent inclusion of foreign materials or subjection to sustained temperatures exceeding 32 degrees C 90 degrees F or less than 4 degrees C 0 degrees F.

1.5 QUALITY ASSURANCE

1.4.1 Compatibility with Substrate

Verify that each of the sealants are compatible for use with joint substrates.

1.4.2 Joint Tolerance

Provide joint tolerances in accordance with manufacturer's printed instructions.

1.6 SPECIAL WARRANTY

Guarantee sealant joint against failure of sealant and against water penetration through each sealed joint for five (5) years.

PART 2 PRODUCTS

2.1 SEALANTS

Provide sealant that has been tested and found suitable for the substrates to which it will be applied.

2.1.1 Interior Sealant

Provide ASTM C834 [ASTM C920, Type S or M, Grade NS, Class 12.5, Use NT. Location(s) and color(s) of sealant for the following:

1. Location: Small voids between walls and door frames, built-in or surface-mounted equipment and fixtures, and similar items.

2. Color: As selected by Designer of Record

2.1.2 Floor Joint Sealant

Provide ASTM C920, Type S or M, Grade P, Class 25, Use T. Provide location(s) and color(s) of sealant as follows:

1. Location: Seats of metal thresholds for exterior doors.

2. Color: As selected by Designer of Record

SECTION 07 92 00_3/6

2.2 PRIMERS

Provide a non-staining, quick-drying type and consistency recommended by the sealant manufacturer for the particular application.

2.3 BOND BREAKERS

Provide the type and consistency recommended by the sealant manufacturer to prevent adhesion of the sealant to backing or to bottom of the joint.

2.4 BACKSTOPS

Provide glass fiber roving or neoprene, butyl, polyurethane, or polyethylene foams free from oil or other staining elements as recommended by sealant manufacturer. Provide 25 to 33 percent oversized backing for closed cell and 40 to 50 percent oversized backing for open cell material, unless otherwise indicated. Make backstop material compatible with sealant. Do not use oakum and other types of absorptive materials as backstops.

2.5 CLEANING SOLVENTS

Provide type(s) recommended by the sealant manufacturer (except for aluminum and bronze surfaces that will be in contact with sealant).

3.1 SURFACE PREPARATION

Clean surfaces from dirt frost, moisture, grease, oil, wax, lacquer, paint, or other foreign matter that would tend to destroy or impair adhesion.

Remove oil and grease with solvent. Surfaces must be wiped dry with clean cloths. When resealing an existing joint, remove existing caulk or sealant prior to applying new sealant. For surface types not listed below, contact sealant manufacturer for specific recommendations.

3.1.1 Steel Surfaces

Remove loose mill scale by sandblasting or, if sandblasting is impractical or would damage finish work, scraping and wire brushing. Remove protective coatings by sandblasting or using a residue-free solvent.

3.1.2 Aluminum or Bronze Surfaces

Remove temporary protective coatings from surfaces that will be in contact with sealant. When masking tape is used as a protective coating, remove tape and any residual adhesive just prior to sealant application. For removing protective coatings and final cleaning, use non-staining solvents recommended by the manufacturer of the item(s) containing aluminum or bronze surfaces.

3.1.3 Concrete and Masonry Surfaces

Where surfaces have been treated with curing compounds, oil, or other such materials, remove materials by sandblasting or wire brushing. Remove laitance, efflorescence and loose mortar from the joint cavity.

SECTION 07 92 00_4/6

3.1.4 Wood Surfaces

Keep wood surfaces to be in contact with sealants free of splinters and sawdust or other loose particles.

3.2 SEALANT PREPARATION

Do not add liquids, solvents, or powders to the sealant. Mix Multi-component elastomeric sealants in accordance with manufacturer's instructions.

3.3 APPLICATION

A. Acceptable Ratios:

JOINT WIDTH JOINT DEPTH

Minimum Maximum

For metal, glass, or other nonporous surfaces:

6 mm (minimum) 6 mm 6 mm over 6 mm 1/2 of width Equal to width

For wood, concrete, or masonry.

6 mm (minimum) 6 mm 6 mm over 6 mm to 13 mm 6 mm Equal to width over 13 mm to 50 mm 50 mm 16 mm

Over 50 mm As recommended by sealant manufacturer

For metal, glass, or other nonporous surfaces:

1/4 inch (minimum) 1/4 inch 1/4 inch

For wood, concrete, or masonry.

1/4 inch (minimum) 1/4 inch 1/4 inch over 1/4 inch to 1/2 inch 1/4 inch Equal to width over 1/2 inch to 2 inch 1/2 inch 5/8 inch

Over 2 inch As recommended by sealant manufacturer over 1/4 inch 1/2 of width Equal to width

SECTION 07 92 00_5/6

B. Unacceptable Ratios: Where joints of acceptable width-to-depth ratios have not been provided, clean out joints to acceptable depths and grind or cut to acceptable widths without damage to the adjoining work. Grinding is not required on metal surfaces.

3.3.2 Masking Tape

Place masking tape on the finish surface on one or both sides of a joint cavity to protect adjacent finish surfaces from primer or sealant smears. Remove masking tape within 10 minutes after joint has been filled and tooled.

3.3.3 Backstops

Install backstops dry and free of tears or holes. Tightly pack the back or bottom of joint cavities with backstop material to provide a joint of the depth specified. Install backstops in the following locations:

1. Where backstop is not indicated but joint cavities exceed the acceptable maximum depths specified in paragraph entitled, "Joint Width-to-Depth Ratios".

3.3.4 Primer

Immediately prior to application of the sealant, clean out loose particles from joints. Where recommended by sealant manufacturer, apply primer to joints in concrete masonry units, wood, and other porous surfaces in accordance with sealant manufacturer's instructions. Do not apply primer to exposed finish surfaces.

3.3.5 Bond Breaker

Provide bond breakers to the back or bottom of joint cavities, as recommended by the sealant manufacturer for each type of joint and sealant used, to prevent sealant from adhering to these surfaces. Carefully apply the bond breaker to avoid contamination of adjoining surfaces or breaking bond with surfaces other than those covered by the bond breaker.

3.3.6 Sealants

Provide a sealant compatible with the material(s) to which it is applied. Do not use a sealant that has exceeded shelf life or has jelled and cannot be discharged in a continuous flow from the gun.

Apply the sealant in accordance with the manufacturer's printed instructions with a gun having a nozzle that fits the joint width. Force sealant into joints to fill the joints solidly without air pockets.

Tool sealant after application to ensure adhesion. Make sealant uniformly smooth and free of wrinkles. Upon completion of sealant application, roughen partially filled or unfilled joints, apply sealant, and tool smooth as specified. Apply sealer over the sealant when and as specified by the sealant manufacturer.

3.4 PROTECTION AND CLEANING

3.4.1 Protection

Protect areas adjacent to joints from sealant smears. Masking tape may be used for this purpose if removed 5 to 10 minutes after the joint is filled.

SECTION 07 92 00_26/6

3.4.2 Final Cleaning

Upon completion of sealant application, remove remaining smears and stains and leave the work in a clean and neat condition.

1. Masonry and Other Porous Surfaces: Immediately scrape off fresh sealant that has been smeared on masonry and rub clean with a solvent as recommended by the sealant manufacturer. Allow excess sealant to cure for 24 hour then remove by wire brushing or sanding. Metal and Other Non-Porous Surfaces: Remove excess sealant with a solvent-moistened cloth.

-- End of Section --

09 01 70-1

SECTION 09 01 70

REPAIR OF EXTERIOR INSULATION AND FINISH SYSTEM (EIFS)

PART 1 GENERAL

A. Repair distress and construction deficiencies of exterior insulation and finish system (EIFS) cladding.

B. Repair nonstructural EIFS base coat and finish.

C. Repair flashing and waterproofing deficiencies at EIF system terminations.

D. Resurface wall to provide uniform appearance in accordance with owner’s requirements.

A. EIFS, repair materials, and coating manufacturers’ specifications, details, installation instructions and product data.

B. Samples for approval as directed by architect, engineer, or owner.

C. Manufacturer’s standard material warranty for each product or system to be used.

D. A list of minimum three job references.

1.3 REFERENCES

A. ASTM Standards

• ASTM C 578 Specification for Foam Plastic Insulation

• ASTM C 920 Specification for Elastomeric Joint Sealants

• ASTM C 1382 Specification for Sealants for EIFS

• ASTM E 2430 Specification for EIFS Reinforcing Mesh

• ASTM E 2568 Specification for EIFS

• ASTM E 2570 Specification for Water-resistive Barrier Coatings

1.4 DESIGN REQUIREMENTS

A. Determine repair scope and detail design requirements based on inspection of the field conditions.

B. Provide crack repair detail for cracks not wider than 1/16-inch (1.6 mm) nominal width

C. Provide crack repair detail for cracks wider than 1/16-inch (1.6 mm) but not wider than 1/8-inch (3.2 mm)

D. Provide flashing installation, repair and/or replacement details for applicable conditions and indicate locations of each repair on project drawings. Flashing remediation shall be based on standard flashing requirements listed below and indications of distress or leakage observed during inspection.

1. Provide head flashing above all window and door openings.

09 01 70-2

E. Provide flashing at the bottom of the EIF system.

F. Provide flashing at floor line expansion joints in multi-story construction.

G. Terminate EIFS minimum 2-inches (51 mm) above paved grade and roofing materials.

H. Terminate EIFS minimum 4-inches (102 mm) above soil and landscaped finished grades. (Note: verify local code requirements and comply with them for minimum distance above grade for EIFS termination.)

I. Provide metal cap flashing for parapets. Cap flashing shall be sloped to drain water onto the roof system.

J. Provide metal flashing for non-vertical or low slope projections to drain water away from the wall exterior.

1.5 QUALITY ASSURANCE

A. Manufacturer’s requirements

• EIFS material manufacturer shall be experienced provider of cementitious and polymer-based materials for use in EIFS construction and repair for minimum 25 years.

• EIFS manufacturer shall have a manufacturing quality control system that is certified to comply with ISO 9001-2008 and an environmental quality management system certified to comply with ISO 14001-2004.

• EIFS manufacturer shall have current valid code evaluation reports which list the EIFS materials to be used.

B. Contractor requirements

• Contractor shall be licensed and insured and shall have been engaged in EIFS and EIFS repair construction for minimum three years.

• Contractor shall be knowledgeable in the proper handling, use and installation of the specified materials..

• Contractor shall employ skilled mechanics who are experienced and knowledgeable in the repair procedures and requirements of the specified project.

• Contractor shall have completed minimum three projects of similar size, scope and complexity to the project being specified.

• Contractor shall provide the proper equipment, manpower and supervision on the job site to perform the repair procedures in accordance with the manufacturer’s published repair specifications, applicable details and the contract documents.

C. Inspection requirements

D. Quality control inspections shall be provided for by the owner or owner’s representative.

E. Inspectors shall be qualified by experience to evaluate field conditions before and during the repair process and shall be familiar with the specified repair procedures prior to commencement of work.

F. Inspections shall be provided at key intervals during each repair.

09 01 70-3

G. Inspect locations of flashing repair and other locations where existing EIFS must be removed after demolition of the EIFS is completed and before any existing flashing is removed. Verify that the proposed repair is constructible and will function in the manner intended based on the visible conditions. Resolve any visible construction detail conflicts with the repair designer before allowing the contractor to proceed with the repair.

H. Inspect the condition of the water-resistive barrier and transition elements for visible evidence of material integrity and continuity of the system.

I. Inspect the conditions of newly installed or replaced flashing and water-resistive barrier components before installing the replacement insulation. Verify that flashing and water-resistive barrier installation is in accordance with the repair detail design.

Verify visible continuity of the water-resistive barrier system to direct water to the exterior of the wall via the flashing.

J. Inspect the final appearance of each repair location to verify compliance with owner requirements.

1.6 DELIVERY, STORAGE AND HANDLING

A. Deliver all materials in their original sealed containers bearing manufacturer’s name and product identification.

B. Protect liquid products (pails) from freezing and temperatures greater than 90 degrees F (32 degrees C). Do not store in direct sunlight.

C. Protect portland cement based materials (bag products) from moisture and humidity. Store under cover and off of the ground in a dry location.

1.7 PROJECT/SITE CONDITIONS

A. Apply materials only when surface and ambient temperatures are above 40 degrees F (4 degrees C) and are expected to remain above 40 degrees F (4 degrees C) for 24 hours after application.

B. Provide supplementary heat for installation in temperatures less than 40 degrees F

(4 degrees C).

C. Provide protection of surrounding areas and adjacent surfaces from spillage, splatter, overspray or other unintended contact with the materials that are being applied.

1.8 COORDINATION AND SCHEDULING

A. Schedule repairs to permit inspections where specified in Section 1.05.

B. Do not start repairs in an area unless sufficient work can be completed such that the area is weather-tight at the end of the work shift. Alternatively allow sufficient time before the end of the work shift to provide temporary weather protection until work can resume.

C. Coordinate with all trades involved to schedule work to result in the proper sequencing of materials within the repair (proper lapping of water resistive system components and flashing).

D. Schedule finish and coating application to large areas such that each day’s application will end at an architectural break.

09 01 70-4

1.9 1.10 WARRANTY

A. Provide manufacturer’s standard warranty for products used.

PART 2 PRODUCTS

2.1 MANUFACTURERS

A. Provide EIFS component materials and coatings from a single manufacturer:

1. Bases of specification: Sto Corp., 3800 Camp Creek PKWY, Building 1400, Suite 120, Atlanta, GA 30331.

2. Or equal

2.2 WATER-RESISTIVE BARRIER

(Use appropriate barrier as required to match existing conditions)

A. Provide water-resistive barrier coating and transition membrane system.

• Products:

• Sto Gold Coat – fluid-applied waterproof air-barrier coating for moisture protection of sheathing, masonry and concrete substrates behind EIFS.

• Sto Gold Fill – knife-grade, trowel-applied transition material for use with Sto Gold Coat and StoGuard Mesh as transition at flashing, windows, mechanical penetrations and at system terminations.

• StoGuard Tape – fabric-faced, self-adhesive modified asphaltic flashing tape for use with Sto Gold Coat as transition at flashing, windows, mechanical penetrations and at system terminations. (may be alternate to or used with Sto Gold Fill).

• StoGuard Fabric – non-woven fabric tape for use with Sto Gold Coat as a transition element by embedment of the StoGuard Fabric into wet Sto Gold Coat. Used as transition membrane from Sto Gold Coat onto top edge of StoGuard Tape. (may be alternate to Sto Gold Fill with StoGuard Mesh)

2.3 ADHESIVE

(Use appropriate adhesive as required to match existing conditions)

A. Cementitious Adhesives

1. BTS Plus – one component, polymer-modified, high build adhesive (for use over exterior glass mat faced gypsum sheathing (compliant with ASTM C 1177), exterior cementitious sheathing, concrete, masonry or cement plaster surfaces.

Also used over Exposure 1 OSB and plywood sheathing when protected with StoGuard).

2. BTS Xtra – Lightweight, one component, polymer-modified, high build adhesive (for use over exterior glass mat faced gypsum sheathing (compliant with ASTM C 1177), exterior cementitious sheathing, concrete, masonry or cement plaster surfaces. Also used over Exposure 1 OSB and plywood sheathing when protected with StoGuard).

3. Primer/Adhesive-B – one component, polymer-modified, adhesive (for use over exterior glass mat faced gypsum sheathing (compliant with ASTM C 1177), exterior cementitious sheathing, concrete, masonry or cement plaster surfaces.

Also used over Exposure 1 OSB and plywood sheathing when protected with StoGuard).

09 01 70-5

4. Primer/Adhesive – two component, polymer-modified, adhesive (for use over exterior glass mat faced gypsum sheathing (compliant with ASTM C 1177), exterior cementitious sheathing, concrete, masonry or cement plaster surfaces.

Also used over Exposure 1 OSB and plywood sheathing when protected with StoGuard). Combined in the field with portland cement.

5. Sto TurboStick – Urethane spray foam adhesive for use adhering insulation board for localized repairs and filling gaps in insulation at the perimeter of localized repairs.

2.4 INSULATION BOARD

A. Nominal 1.0 pcf (16 kg/cu.m.) Expanded Polystyrene (EPS) insulation board in compliance with ASTM E 2430 and ASTM C 578, Type I requirements. (Note:

minimum required thickness is 1 inch (25 mm) and maximum allowable thickness is 12 inches (305 mm) when installed in accordance with ICC-ES ESR 1748).

2.5 BASE COAT

(Use appropriate base coat as required to match existing conditions)

A. Cementitious Base Coats (see 2.03 for product descriptions)

• BTS Plus

• BTS Xtra

• Primer/Adhesive-B

• Primer/Adhesive

B. Non-Cementitious Base Coat

1. Sto RFP – single component, ready-mixed, non-cementitious fiber reinforced acrylic base coat.

C. Waterproof Base Coat

• Sto Flexyl – two component fiber-reinforced acrylic-based waterproof base coat mixed in the field with portland cement (provided by others). Use with reinforcing mesh where waterproofing is required.

• Sto Watertight Coat – two component, pre-proportioned acrylic based waterproof base coat. Combine two components in field. Use with reinforcing mesh where waterproofing is required.

2.6 GLASS FIBER MESH REINFORCEMENT

(Use appropriate mesh as required to match existing conditions)

A. Provide alkali resistant, open weave glass fiber mesh reinforcing for surface leveling and waterproof base coat.

• Products:

• Sto Mesh – alkali-resistant, glass-fiber reinforcing mesh for use with Sto base coat products to provide crack resistance.

• Sto Detail Mesh – alkali-resistant, glass-fiber reinforcing mesh for use with Sto base coats to provide crack resistance and at system terminations.

• StoGuard Mesh – self-adhesive mesh for use with Sto Gold Fill water resistive barrier joint and transition treatment.

09 01 70-6

• Sto Armor Mat – high impact resistant, 15 oz. per sq.yd. alkali resistant, glass-fiber reinforcing mesh.

• Sto Armor Mat XX – ultra-high impact resistant, 20 oz. per sq.yd.

alkali resistant glass-fiber reinforcing mesh.

2.7 PRIMER

(Use appropriate primer as required to match existing conditions)

A Provide acrylic primer .

1. Sto Primer Sand

2. Sto Primer Smooth

3. Sto Hot Prime

2.8 POLYMERIC FINISH

A. Provide polymeric acrylic EIFS finish to match existing.

2.9 ACRYLIC CRACK FILLER

A. Provide acrylic crack filler.

1. Products:

a. Sto Flexible Crack Filler – acrylic-based crack filler packaged in sealant tube for use (unreinforced) in repair of cracks not wider than 1/16-inch (1.6 mm) and up to 1/8-inch (3.2 mm) wide with mesh reinforcement.

2.10 PORTLAND CEMENT

A. Provide ASTM C 150 Type I, Type II, or Type I-II cement for mixing with Sto Primer/Adhesive and/or Sto Flexyl.

2.11 ARCHITECTURAL COATING

A. Provide architectural coating to provide uniform appearance to repaired walls.

• Provide horizontal-rated coating for additional weather resistance to top surfaces of projecting elements where Sto waterproof base coat has been applied.

2.12 SEALANT

A. Sealant shall be low-modulus, comply with ASTM C 920, ASTM C 1382 and be recommended for use with EIFS by the sealant manufacturer.

2.13 MIXING

A. Mix in accordance with manufacturer’s printed instructions.

B. Mix cementitious products with clean, potable water.

2.14 EIFS FASTNERS

A. Provide fasteners and washer plates for reattachment of EIFS which is not bonded to substrate.

• Provide fastener type, size and length based on fastener manufacturer’s recommendations for the substrate conditions.

• Provide ULP-402, surface mounted, plastic washer plates, or equivalent.

09 01 70-7

B. Acceptable Manufacturer

1. Wind-Lock Corporation, Leesport, PA, (800) 872-5625, www.wind-lock.com, or equal.

3.1 ACCEPTABLE INSTALLERS

A. Prequalify repair contractor under Quality Assurance requirements of this specification

3.2 EXAMINATION

A. Inspect locations identified on the project drawings for repair.

1. Establish clear understanding of the repair scope and process with the mechanics that will perform the work for each individual location.

3.3 SELECTIVE DEMOLITION

A. Remove and replace EIFS in areas requiring localized repair as indicated on the project drawings.

B. Use hearing, eye, ear and respiratory personal protective equipment when performing demolition.

C. Provide adequate protection to persons and property from potential falling debris from demolition and repair construction.

D. Comply with local environmental regulations with regard to handling and disposal of construction waste produced by selective EIFS demolition.

E. Comply with StoTherm EIFS Repair and Maintenance Guide available at www.stocorp.com.

F. Limit the depth of cuts through the EIFS lamina into the insulation board to prevent damage of the substrate.

G. Remove damaged insulation board by hand or in a manner which minimizes damage to the substrate.

H. Remove and replace damaged substrate as required by conditions that may become evident as a result of the demolition process.

3.4 FLASHING REPLACEMENT

A. Repair flashing and/or correct conditions in locations indicated on the project drawings and as described in section 1.04 of this specification.

B. Remove EIFS in accordance with section 3.01 of this specification.

C. Remove enough area to permit proper installation of flashing as detailed in Sto Corp.

guideline details for water-resistive barrier and EIFS construction.

D. Inspect the condition of the water-resistive barrier membrane and transition materials.

http://www.wind-lock.com/ http://www.stocorp.com/

09 01 70-8

E. Repair or replace damaged water resistive barrier system components.

F. Install replacement components in a sequence and manner to provide shingle-laps and provide a continuous path for moisture drainage to the exterior of the wall via the flashing.

G. Install new flashing components such that the completed repair will comply with Sto Corp.

guideline details for EIFS construction.

H. Mix and apply EIFS materials in accordance with printed instructions for the products being used.

3.5 EIFS DAMAGE REPAIR

A. Perform repairs in accordance with StoTherm EIFS Reference Guide :Repair and Maintenance: (available at www.stocorp.com)

• Repair impact damage to EIFS including damaged substrate, insulation, base coat reinforcing mesh and finish in locations indicated on the project drawings.

.1 Determine the exact scope of individual repairs based on inspection at the time of selective demolition.

• Repair cracks in EIFS finish and lamina where indicated on project drawings.

B. Reattach EIFS which has delaminated from the substrate, if not specified to be removed and replaced, as indicated on the project drawings.

C. Establish stud locations in frame construction and install fasteners into framing members at intervals specified by the design professional as required to meet project wind load requirements. Maximum fastener spacing shall be 12 in. on- center.

(Note: Pre-drilling may be beneficial for 18-gage steel framing and heavier.)

D. Install fasteners through the existing lamina using the plastic washer plates making sure not to penetrate or fracture the lamina with the fastener plate as the fastener is driven into place. The fastener plate shall be slightly dimpled when finally set into place.

E. Install fasteners so as to provide a snug fit, and a uniformly secure attachment of the EIFS.

F. Pre-spot fasteners with base coat and allow to dry.

G. Apply base coat and embed…