SECTION 08610:  WOOD WINDOWS Specification Guide

PART 1:
GENERAL

1.01 RELATED DOCUMENTS
    A. Drawings, Schedules and general provisions of Contract, including General and Supplementary Considerations and Division 1 Specification Sections, apply to this section.

1.02 SUMMARY
    A. This section includes the following wood window types:

      1. Functions including;

        a. Awning Windows:
        b. Casement (Outswing) Windows:
        c. Casement (Inswing) Windows:
        d. Hopper Windows:
        e. Tilt & Turn Windows:
        f. Hung Windows: Single, Double and Triple Hung Windows:
        g. Pivot Windows:
        h. Folding Windows: (Bi-Fold, Tri-Fold, etc.)
        i. Sliding Windows:
        j. Fixed Windows:
        k. Combination Window Units:

    B. Products Supplied, But Not Installed, Under This Section include:

      1. Stile & Rail Sash;
      2. Setup in Dadoed or Rabbeted Jamb/Frame;
      3. Weather-stripped between operable/fixed Sash and Jamb;
      4. Prepare for, Supply and/or Factory Install Window Hardware as specified;
      5. Supply and/or Factory Install Window Exterior & Interior Architectural Trim as specified;
      6. Supply and/or Factory Glaze as specified;
      7. Factory Finish as specified;
      8. Factory Assemble as specified.

    C. Related Sections containing requirements that relate to this section:

      1. Division 6, Section 06401 Exterior Architectural Woodwork not included as part of wood window unit.
      2. Division 6, Section 06402 Interior Architectural Woodwork not included as part of wood window unit.
      3. Division 7, Section 07402 Joint sealing between wood windows and adjacent materials.
      4. Division 8, Section 08212 Stile & Rail Doors
      5. Division 8, Section 08760 Hardware
      6. Division 8, Section 08800 Glazing
      7. Division 9, Section 09900 Painting

    D. Procedures:
    The Installing Contractor, as defined in Par. 1.04 DEFINITIONS, sub par. B of this section, shall assume responsibility for executing all contracts for services and materials related to this section. Per Unit Pricing shall be clearly indicated. Allowances and Alternates shall be itemized. Site measurements, including but not limited to the coordination and maintenance of on-site Masonry Openings, Trim Openings and Rough Openings, in association with the approved shop drawings, shall be the responsibility of the Installing Contractor unless otherwise specified.

1.03 REFERENCES
    A. ANSI/NWWDA I.S. 2: "Industry Standard for Wood Windows"

    B. ASTM E 283 - for Air Infiltration

    C. ASTM E 547 - for Water Penetration

    D. ASTM E 330 - for Structural Performance

    E. AWI: Architectural Woodwork Institute Quality Standards

    F. CAN/CSA-A440-M90 Level A3 - for Air Infiltration (Canadian Standards)

    G. CAN/CSA-A440-M90 Level B3 - for Water Penetration (Canadian Standards)

    H. FGMA Publications: "FGMA Glazing Manual"

    I. IGCC: Insulated Glass Certification Council

    J. SGCC: Safety Glazing Certification Council

    K. SIGMA: Sealed Insulating Glass Manufactures Association: CBA LEVEL ASTM E 773 & E 774.

1.04 DEFINITIONS
    A. Window Manufacturer shall be used in this section to refer to a firm that has demonstrated a minimum of 10 years experience fabricating window units similar to those required. Single source responsibility for all woodwork, fabricated glazing and assembly is preferred.

    B. Installing Contractor shall be used in this section to refer to the firm or individual responsible for coordinating and executing all provisions of the Window Manufacturer's standard contract including, but not limited to, acceptance and execution of the Manufacturer's Schedule of Values and Payment Schedule, Confirmation of Site Measurements, approval of Shop Drawings and Submittals, coordination and acceptance of delivered product at the point of delivery, storage, site preparation and all other responsibilities required for a successful installation.

1.05 SYSTEM DESCRIPTION
    A. Design Requirements:

      1. Design Concept: The drawings indicate window sizes, molding profiles, dimensional requirements and performance capacities based upon the manufacturing procedures of The Woodstone Company, Westminster, Vermont. Window units by other manufacturers, with windows having equal performance ratings and from manufactures demonstrating equivalent capacity may be considered, provided that deviations from specified dimensions and molding profiles are minor and do not change the design concept or intended performance of the product as judged by the architect. The burden of proof is on the proposer.

    B. Performance Requirements: as described in par. 1.07 QUALITY ASSURANCE.

      1. NWWDA Industry Standard For Wood Windows Units I.S. 2 for air infiltration, water penetration, operating force and structural performance.
      2. AWI Premium Grade Assembly Joinery, Sanding, and Tolerance Deviation.

1.06 SUBMITTALS
    A. Product Data: typically recommended for each type of wood window required, including:

      1. Construction details and Fabrication methods.
      2. Profiles and Dimensions of individual components.
      3. Data on Specialty Glazings, Hardware, Accessories and Finishes.
      4. Recommendations for Installation, Site Finishing, Maintenance and Cleaning.

    B. Shop Drawings for each window specified, as follows:

      1. Unit Elevations, including;

        a. 3/4" = 1' scale recommended.
        b. Overall dimensions for each unit (width & height) clearly indicated as required, including;

          b1. Masonry Openings (as prepared on-site by others, indicate space tolerances between Masonry & Trim)
          b2. Trim Width & Height (complete finish perimeter, as assembled or knocked down by window mfr.)
          b3. Rough Opening (as recommended by window manufacturer)
          b4. Jamb/Frame Width & Height (unit dimension required to fit within R.O.)

        c. Visible Glass Opening;
          c1. per pane.
          c2. per sash opening.

        d. Total Sash Opening.
        e. Stile & Rail Widths (face dimensions).
        f. Section references.

      2. Section Details, including:

        a. One-half scale for typical frame/jamb/sash sections and full size for typical composite members recommended.
        b. Head Trim/Jamb/Sash/Glass
        c. Side Trim/Jamb/Sash/Glass
        d. Sill Trim/Jamb/Sash/Glass
        e. Meeting/Check Rails at Hung & Sliding units and Astragaled Rails at swinging pairs.
        f. Mullions as required. (vertical Trim/Jamb/Sash/Glass members between window units)
        g. Sill-to-Header Mullions as required. (horizontal Trim/Jamb/Sash/Glass members between window units)
        h. Bars and Muntins as required. (including, but not limited to, profile and glazing dimensions)

      3. Weather-strip systems shall be clearly indicated.
      4. Hardware and Accessory systems shall be clearly indicated.
      5. Glazing details shall be clearly indicated.
      6. Cut Sheets shall be provided for all Hardware and Accessories.

    C. Samples, to be submitted for verification of specifications after approval of shop drawings.

      1. Custom or Replicate Molding Profiles as required.

        a. Sash Stiles, Rails and Muntins with glazing stops as required.
        b. Custom or Replicate profiles applied to Jamb/Frame.
        c. Custom or Replicate profiles applied to Trim.

      2. Glazing and Screen Fabric as required.
      3. Hardware Escutcheons, Handles, Catches, Chains, Ropes and other visible components as required.
      4. Finished wood chips in specified wood species with specified finish as required showing full range of expected variations.

    D. Performance Certification: Provide manufacturer's certification, in-house or by recognized independent laboratory, certifying that tested products comply with the performance requirements listed in Par. 1.07, QUALITY ASSURANCE, of these specifications and are representative of each required type and grade of window required.

    E. Provide Manufacturer's Instructions, including:

      1. Installation Procedures for each type of window required.
      2. Prime and Paint Procedures for on-site finishing and touch-up by others as required.
      3. Maintenance Procedures for each type of window required.

    F. Shop Drawing Approvals and arrangements for all Sample Approvals, in coordination with the Architect, shall be the responsibility of the Installing Contractor unless otherwise specified.

1.07 QUALITY ASSURANCE
    A. Window Manufacturer shall have a minimum of 10 years experience fabricating window units similar to those required.

    B. Window Manufacturer shall provide single source responsibility for the fabrication and assembly of all window units. Single source responsibility for all woodwork, fabricated glazing, and assembly is preferred.

    C. Safety Glass Standard: Provide the type of products indicated that comply with ANSI Z97.1 and testing requirements of 16 CFR Part 1201 for Category II materials.

      1. Provide safety glass permanently marked with certification label of the Safety Glazing Certification Council (SGCC). Safety glass without permanent markings may be provided when accompanied by written affidavit from the Window Manufacturer and/or the Glass Tempering Vendor certifying that safety glass has been provided in accordance with Federal law. Determination of certification acceptability to the agent having jurisdiction over the end use of specified window units is the responsibility of the Installing Contractor.

    D. Insulating Glass Certification: Window Manufacturer to comply with recommendations of the IGCC and SIGMA except where more stringent requirements are indicated.

    E. Glazing Standards: Window Manufacturer to comply with recommendations of the Flat Glass Marketing Association (FGMA) "Glazing Manual" and "Sealant Manual" except where more stringent requirements are indicated.

    F. Wood Window Standards: ANSI/NWWDA I.S. - 2. (Specify one complete or part of the following grades)

      1. Grade 20: (Residential)

        a. Air Infiltration may not exceed .34 cfm/lineal ft. of opening crack @ 1.56 psf pressure differential.
        b. Water Penetration not allowed @ 2.86 psf pressure differential.
        c. No glass breakage, damage to hardware or permanent deflection greater than .4% of span @ 20 psf.
        d. Operating Force may not exceed 25 lbs.
        e. Design Load shall meet or exceed 13.3 psf.

      2. Grade 40: (Light Commercial)

        a. Air Infiltration may not exceed .25 cfm/lineal ft. of opening crack @ 1.56 psf pressure differential.
        b. Water Penetration not allowed @ 4.43 psf pressure differential.
        c. No glass breakage, damage to hardware or permanent deflection greater than .4% of span @ 40 psf.
        d. Operating Force may not exceed 30 lbs.
        e. Design Load shall meet or exceed 27 psf.

      3. Grade 60: (Heavy Commercial)

        a. Air Infiltration may not exceed .10 cfm/lineal ft. of opening crack @ 1.56 psf pressure differential.
        b. Water Penetration not allowed @ 6.24 psf pressure differential.
        c. No glass breakage, damage to hardware or permanent deflection greater than .4% of span @ 60 psf.
        d. Operating Force may not exceed 35 lbs.
        e. Design Load shall meet or exceed 40 psf.

    G. Comply with AWI Premium Grade for all wood joinery and fabrication including, but not limited to, the following:

      1. Sash Stile and Rail connections shall be Haunched Mortise and Tenon; Glued and Pegged/Pinned.
      2. Bar and Muntin connections shall be Coped, Mortise and Tenon; Glued and Pegged/Pinned.
      3. Jamb/Frame Assembly Joinery shall be connected with Dadoes or Rabbeted Joints and Factory Assembled.
      4. Surfaces shall be sanded to 120 grit with no cross sanding marks.
      5. Deviation Tolerances at Longitudinal Joints shall not exceed .015" x 8" of gap (minimum spacing 4 ft.).
      6. Deviation Tolerances at Intersecting Joints shall not exceed .025" of gap.
      7. Glue to be waterproof and applied in accordance with glue manufacturer's directions.

1.08 DELIVERY, STORAGE AND HANDLING
    A. Identify each window unit with individual opening numbers as designated on shop drawings, using temporary, removable or concealed markings.

    B. Protect windows during transit. Individual unit shipments shall be crated. Trailer loads shall be loaded and secured by the Manufacturer in accordance with common carrier regulations unless otherwise specified. Shipments shall be fully insured by the Manufacturer and be made F.O.B. designated point of delivery.

    C. Unloading and subsequent handling at the designated point of delivery shall be the responsibility of the Installing Contractor. Claims for damages and/or missing product must be submitted by the Installing Contractor in accordance with the Manufacturer's policy unless otherwise specified. For claims on products delivered via common carrier, the Installing Contractor shall initiate the claim.

1.09 PROJECT CONDITIONS
    A. Preparation and Maintenance of the Site and the provisions for all labor and materials required to successfully install windows shall be the responsibility of the Installing Contractor unless otherwise specified.

      1. Conditioning: Windows shall not be delivered or installed until conditions for temperature and relative humidity have been stabilized and will be maintained in storage and installation areas during the remainder of the construction period to comply with the following requirements applicable to the projects geographical location.

        a. AWI quality standard Section 100-S-11, "Relative Humidity and Moisture Content".
        b. Compliance with Manufacturer's Finishing recommendations.

      2. Fasteners, Sealants and other materials required to successfully complete the window installation, that are not specified and supplied by the Window Manufacturer, shall be the responsibility of the Installing Contractor.

1.10 SCHEDULES
    A. Production and Delivery Schedules:

      1. Production and delivery schedules shall be determined by the Window Manufacturer within 10 working days of submission, from the Installing Contractor to the Window Manufacturer, of all Approved Shop Drawings and Approved Sample Submittals. The Window Manufacturer shall indicate the impact on the production and delivery schedules of any Change Orders requested after initial approvals have been submitted. Reference SUBMITTALS, Par. 1.06, F.

    B. Payment Schedules:

      1. Payment schedules relating to production and delivery of window units shall be determined by the Window Manufacturer within 10 working days of submission, from the Installing Contractor to the Window Manufacturer, of all Approved Shop Drawings and Approved Sample Submittals. The Window Manufacturer shall indicate the impact on the payment schedule of any Change Orders requested after initial approvals have been submitted. Reference SUMMARY, Par. 1.02, G; and SUBMITTALS, Par. 1.06, F.

1.11 WARRANTY
    A. Wood Window Warranty: Submit a written warranty, executed by the Window Manufacturer, agreeing to repair or replace, at the Manufacturer's discretion, units that fail in materials or workmanship within the specified warranty period.

    B. Warranty Period:

      1. Woodwork: 1 year from the date of substantial completion.
      2. Insulating Glass: 10 years from the date of substantial completion.
      3. Hardware (recommended and purchased by the Window Manufacturer): 1 year from the date of substantial completion.

    C. The warranty shall not deprive the Owner of other rights or remedies that the Owner may have under other provisions of the Contract Documents between the Owner and the Installing Contractor and is in addition to and runs concurrent with other warranties made by the Installing Contractor under requirements of the Contract Documents between the Installing Contractor to the Owner.


PART 2:
PRODUCTS

2.01 MANUFACTURERS
    A. Manufacturer: Subject to compliance with requirements, provide window units by the following:

      1. Wood Window Units: Single sourced for woodwork, fabricated glazing and assembly preferred.

        a. The Woodstone Company, Westminster, Vermont, 1-800-682-8223.

2.02 MATERIALS
    A. Wood:

      1. Species:

        a. Northeast White Pine, Pinus strobus
        b. Honduran Mahogany, Swietenia macrophylla
        c. Black Cherry, Prunus serotina
        d. White Oak, Quercus alba
        e. Walnut, Juglans nigra
        f. Teak, Tectona grandis

      2. Grade: AWI Grade 1, plain sawn unless otherwise specified.
      3. Lumber shall be water-repellent preservative treated after machining with a 3 minute dip in Sherwin Williams HOMOCLAD preservative treatment or equal.

    B. Glass and Glazing:

      1. General: Provide glazing materials that are produced, fabricated and installed to withstand normal thermal movement and wind loading . Glass thickness' indicated on drawings are for design detailing only. Glass lites for the various size openings, including thickness' and strengths (annealed or tempered), shall meet or exceed performance requirements as specified in Part 1, 1.07 QUALITY ASSURANCE of these specifications.

      2. Insulating Glass: Fabricated glazings shall be sealed with compatible materials preferably from a single source manufacturer as follows:

        a. Insulating glass shall be double sealed using desiccated aluminum spacer, Tremco Poly-isobutylene (PIB) primary sealant, Tremco Proglaze silicone secondary sealant, set in Tremco JS-950 Silicone glazing sealant.
        b. Insulating glass may also be fabricated with Edgetec Composite Super Spacer with hot-melt PIB sealant backer.
        c. Spacer colors to be chosen from readily available supplies held in stock by the Manufacturer.
        d. Insulated glass described in this paragraph shall be supplied by Vermont Glass, a Division of The Woodstone Company, Westminster, Vermont.
        e. Insulating glass systems and materials fabricated by other manufacturers, having equal performance ratings and demonstrating equivalent capacity, may be considered, provided that deviations do not change the design concept or intended performance of the product as judged by the architect. The burden of proof is on the proposer.

      3. Specialty Glazings shall be as follows:

        a. Designated Heat Mirror products shall be supplied by licensee of Southwall Technologies.
        b. Design or artistic glass, including but not limited to, restoration , leaded, stained, bent, opaque, bullet resistant and antique, shall be supplied by a manufacturer demonstrating satisfactory experience in the production of such designated materials.
        c. The Window Manufacture shall indicate the supplier of all specialty glass materials for approval.

      4. All insulated glass with sealed edges shall be set in rabbeted sash from the INTERIOR sash face, permanently sealed to the Exterior of the sash rabbet in Tremco JS-950 Silicone and fixed in place with wooden glazing stops set from the INTERIOR and unsealed to the sash frame to allow condensation and other potential moisture accumulation to evaporate.
      5. Reference Division 8, Section 08800, Glazing; for requirements related to this paragraph.

    C. Finishes:

      1. General: Provide Preservative Treatments, Primer, Exterior Paints, Stains, Wood Fillers and Clear Marine Grade Sealers and Finishes as specified that have demonstrated compatibility with one another, including:

        a. Sherwin Williams Homoclad Preservative Treatment.
        b. Sherwin Williams A-100 Exterior Paint Primer.
        c. Sherwin Williams Exterior Acrylic Super Paints.
        d. Waterlox Marine Clear Tung Oil Sealer and Finish.

      2. Finishes by other manufacturers, having equal performance ratings and from manufactures demonstrating equivalent capacity may be considered, provided that deviations do not change the design concept or intended performance of the product as judged by the architect. The burden of proof is on the proposer.
      3. Conversion varnishes and paints (i.e.. Urethanes) are not recommended for exterior applications.

    D. Fasteners:

      1. Sash: Tenons shall be pegged/pinned with hardwood pegs or stainless steel pins as required.
      2 Jamb/Frames: Dadoed joints shall be screwed with galvanized screws.
      3. Glazing stops shall be fastened with galvanized or painted head nails resistant to bleed through.
      4. Jamb/Frame assemblies shall be fastened to Rough Openings with galvanized screws supplied by Window Manufacturer unless otherwise specified. Other fasteners required for a successful installation are the responsibility of the Installing Contractor, as approved by the architect, unless otherwise specified.
      5. Trim systems shall be fastened to Jamb/Frame assemblies with galvanized or painted head nails resistant to bleed through or galvanized screws.
      6. Adhesive sealants between trim and jamb and at all dadoed jamb connections shall be Tremco JS-950 silicone suitable for painting.
      7. Fasteners and adhesives, having equal performance ratings and from manufactures demonstrating equivalent capacity may be considered, provided that deviations do not change the design concept or intended performance of the product as judged by the architect. The burden of proof is on the proposer.

    E. Hardware: Manufacturer's recommended hardware necessary to operate, tightly close and securely lock windows so as to comply with the performance requirements specified. Reference Par. 2.03, FABRICATION.

    F. Accessories: Items not listed in Par. 2.03, FABRICATION shall be itemized and described in this section. Accessory items include, but are not limited to, Security System Hardware and other Sensory Devices, Decoration and other materials not necessarily required to operate, tightly close and securely lock windows.

2.03 FABRICATION: to comply with all requirements of referenced performance and material standards.
    A. Awning Windows:

      1. Sash shall be setup in Solid Rabbeted Jambs with Exterior Flat Casing or Standard Brickmold unless otherwise specified.
      2. Jamb/Sash shall be double lined with Q-lon weather-strip around the full sash perimeter.
      3. The sash shall be operable without removing the interior screens.
      4. Screens shall be removable and installed with bullet catches or fasteners sufficient to hold screen frame securely in place and maintain taught fabric.
      5. Truth roto or lever operators shall be installed with independent sash locks if required.
      6. Hinge track and support arms with yellow zinc dichromate plating, acetyl shoe with stainless steel insert shall be concealed for security and corrosion protection. Egress hinge action shall be available to maximize the opening area and an offset hinge action shall be available to allow easy access for cleaning the exterior glass surface from the inside if specified. Solid brass butt hinges shall be available if specified.
      7. Standard exposed hardware finishes shall be Bronze, Coppertone, Clay or White. Plated Brass and other custom finishes shall be available at additional charge if specified.
      8. Hardware manufactures cut sheets shall be submitted upon request.
      9. Truth hardware shall include a limited "lifetime" manufacturers warranty against defects in materials and workmanship.

    B. Casement (Outswing) Windows:

      1. Sash shall be setup in Solid Rabbeted Jambs with Exterior Flat Casing or Standard Brickmold unless otherwise specified.
      2. Jamb/Sash shall be double lined with Q-lon weather-strip around the full sash perimeter.
      3. The sash shall be operable without removing the interior screens.
      4. Screens shall be removable and installed with bullet catches or fasteners sufficient to hold screen frame securely in place and maintain taught fabric.
      5. Truth roto or lever operators shall be installed with independent sash locks if required. Truth multipoint locking system with locking points activated by a single lever handle shall be available if specified.
      6. Hinge track and support arms with yellow zinc dichromate plating, acetyl shoe with stainless steel insert shall be concealed for security and corrosion protection. Egress hinge action shall be available to maximize the opening area and an offset hinge action shall be available to allow easy access for cleaning the exterior glass surface from the inside if specified. Solid brass butt hinges shall be available if specified.
      7. Standard exposed hardware finishes shall be Bronze, Coppertone, Clay or White. Plated Brass and other custom finishes shall be available at additional charge if specified.
      8. Hardware manufactures cut sheets shall be submitted upon request.
      9. Truth hardware shall include a limited "lifetime" manufacturers warranty against defects in materials and workmanship.

    C. Casement (Inswing) Windows:

      1. Sash shall be setup in Solid Rabbeted Jambs with Exterior Flat Casing or Standard Brickmold unless otherwise specified.
      2. Jamb/Sash shall be double lined with a combination of bronze interlocking sill and Q-lon weather-strip around the full sash perimeter.
      3. The sash shall be operable without removing the exterior screens.
      4. Screens shall be removable and installed with bullet catches or fasteners sufficient to hold screen frame securely in place and maintain taught fabric.
      5. Manual operating hardware shall include GU's European multipoint locking system and GU's solid brass handle and escutcheon including GU's exclusive powder-coated finish that greatly increases corrosion resistance for which salt spray test results have surpassed 1000 hours without a residue event. Crank and/or lever operators are not recommended.
      6. Hinges shall be solid brass butts.
      7. Traditional turn latches of specified finishes shall be available at additional cost if specified.
      8. Hardware manufactures cut sheets shall be submitted upon request.

    D. Hopper Windows: (Recommended Inswing Only)

      1. Sash shall be setup in Solid Rabbeted Jambs with Exterior Flat Casing or Standard Brickmold unless otherwise specified.
      2. Sash shall be double lined with a combination of bronze interlocking sill and Q-lon weather-strip around the full sash perimeter.
      3. The sash shall be operable without removing the exterior screens.
      4. Screens shall be removable and installed with bullet catches or fasteners sufficient to hold screen frame securely in place and maintain taught fabric.
      5. Sash shall be secured with an Ives #80 brass transom latch and chain. Pole operator shall be available if specified.
      6. Hinges shall be solid brass butts.
      7. Traditional turn latches of specified finishes shall be available at additional cost if specified.
      8. Hardware manufactures cut sheets shall be submitted upon request.

    E. Tilt & Turn Windows: (Inswing only)

      1. Sash shall be setup in Solid Rabbeted Jambs with Exterior Flat Casing or Standard Brickmold unless otherwise specified.
      2. Jamb/Sash shall be double lined with a combination of bronze interlocking sill and Q-lon weather-strip around the full sash perimeter.
      3. The sash shall be flush frame with concealed hinges (CONTURA) or shiplap with exposed hinges (JET) and operable without removing the exterior screens.
      4. Screens shall be removable and installed with bullet catches or fasteners sufficient to hold screen frame securely in place and maintain taught fabric.
      5. Manual operating hardware shall include GU's European multipoint locking system and GU's solid brass handle and escutcheon including GU's exclusive powder-coated finish that greatly increases corrosion resistance for which salt spray test results have surpassed 1000 hours without a residue event.
      6. Certain restrictions on arched units will apply and must be specified by the Window Manufacturer.
      7. Hardware manufactures cut sheets shall be submitted upon request.

    F. Hung Windows: Single, Double and Triple Hung Windows with the following functions:

      1. Premium Grade Weight & Pulley: Note; The Premium Jamb System with Weight & Pulley counterbalances is the only hung sash jamb system that provides a platform for weather-strip that can achieve the most stringent NWWDA Grade 60 and Canadian A3 performance certification.

        1a. Sash shall be setup fixed or free sliding as required in the Premium Jamb System including Blind Stops, Parting Stops & Adjustable Interior Beaded Stops.
        2a. Sash shall include offset meeting or check rails as required.
        3a. Jamb/Sash shall be double lined with a combination of bronze interlocking, compression and Q-lon weather-strip around the full sash perimeter and meeting/check rails.
        4a. Exterior Flat Casing or Standard Brickmold shall be provided unless otherwise specified.
        5a. The Premium Jamb System shall include a 12 degree pitched sill unless otherwise specified with extended nosing and side horns to support exterior trim as specified.
        6a. Weight & Pulley Balance System shall include Rolled Steel Counter-Weights (epoxy coated if specified), Cast Bronze Pulleys, Synthetic Brown or White Sash Cord (Chain Optional) and Sealed Weight Pockets with Weatherproof Access Panel in each side jamb.
        7a. Screens shall be removable and installed against or flush to the exterior blind stop with bullet catches or fasteners sufficient to hold screen frame securely in place and maintain taught fabric.
        8a. Truth Trimline or Entry Guard sash locks in standard finishes shall be included unless otherwise specified. Sash widths over 48" shall include two sash locks.
        9a. Sash lifts and/or pole rings and poles to be supplied as specified.
        10a. Sash lifts and locks to be supplied un-installed for units requiring on-site painting or as recommended by the Window Manufacturer.
        11a. Hardware manufactures cut sheets shall be submitted upon request.

      2. Premium Grade Clockspring: Balances with stainless steel sash tape are compatible with Premium Jamb Systems and shall be specified where space for weight pockets is not available and lighter sash are used. Clockspring balance systems, however, are not suitable for the high performance weatherstrip system that can be used with the Weight & Pulley counterbalance.

        1a. Sash shall be setup fixed or free sliding as required in the Premium Jamb System including Blind Stops, Parting Stops & Adjustable Interior Beaded Stops.
        2a. Sash shall include offset meeting or check rails as required.
        3a. Jamb/Sash shall be double lined with a combination of bronze interlocking, compression and Q-lon weather-strip around the full sash perimeter and meeting/check rails.
        4a. Exterior Flat Casing or Standard Brickmold shall be provided unless otherwise specified.
        5a. The Premium Jamb System shall include a 12 degree pitched sill unless otherwise specified with extended nosing and side horns to support exterior trim as specified.
        6a. Screens shall be removable and installed against or flush to the exterior blind stop with bullet catches or fasteners sufficient to hold screen frame securely in place and maintain taught fabric.
        7a. Truth Trimline or Entry Guard sash locks in standard finishes shall be included unless otherwise specified. Sash widths over 48" shall include two sash locks.
        8a. Sash lifts and/or pole rings and poles to be supplied as specified.
        9a. Sash lifts and locks to be supplied un-installed for units requiring on-site painting or as recommended by the Window Manufacturer.
        10a. Hardware manufactures cut sheets shall be submitted upon request.

      3. Custom Grade Vinyl Balance Systems including:

        a. Magnum Series: (This system cannot achieve Grade 60 performance standards.)

          a1. Sash shall be setup fixed or free sliding as required in the Jim Walters Series 8400 Jamb System which shall include Parting Stop at the head only.
          a2. Sash shall include offset meeting or check rails as required.
          a3. Maximum sash weight shall be 79 lbs.. Sash thickness shall be 1 3/4".
          a4. Weather-strip shall include Bronze Interlock at Top and Bottom Rails, Compression at the Meeting/Check Rail and 12 degree pitched sill with extended nosing and side horns to support exterior trim.
          a5. Exterior Flat Casing or Standard Brickmold shall be provided unless otherwise specified.
          a6. Screens shall be removable and installed against or flush to the exterior blind stop with bullet catches or fasteners sufficient to hold screen frame securely in place and maintain taught fabric.
          a8. Truth Trimline or Entry Guard sash locks in standard finishes shall be included unless otherwise specified. Sash widths over 48" shall include two sash locks.
          a9. Sash lifts and/or pole rings and poles to be supplied as specified. a10. Sash lifts and locks to be supplied un-installed for units requiring on-site painting or as recommended by the Window Manufacturer.
          a11. Hardware manufactures cut sheets shall be submitted upon request.

        b. EZ Tilt

          a1. Sash shall be setup fixed or free sliding as required in the Jim Walters 3200 Jamb System which shall include Parting Stop at the head only and Tilt Out sash option.
          a2. Sash shall include offset meeting or check rails as required.
          a3. Maximum sash weight shall be 39 lbs.. Sash thickness shall be 1 1/4" to 1 3/8".
          a4. Weather-strip shall include Bronze Interlock at Top and Bottom Rails, Compression at the Meeting/Check Rail and 12 degree pitched sill with extended nosing and side horns to support exterior trim.
          a5. Exterior Flat Casing or Standard Brickmold shall be provided unless otherwise specified.
          a6. Screens shall be removable and installed against or flush to the exterior blind stop with bullet catches or fasteners sufficient to hold screen frame securely in place and maintain taught fabric.
          a8. Truth Trimline or Entry Guard sash locks in standard finishes shall be included unless otherwise specified. Sash widths over 48" shall include two sash locks.
          a9. Sash lifts and/or pole rings and poles to be supplied as specified.
          a10. Sash lifts and locks to be supplied un-installed for units requiring on-site painting or as recommended by the Window Manufacturer.
          a11. Hardware manufactures cut sheets shall be submitted upon request.

    G. Pivot Windows: Note: Screen applications are significantly limited with Pivot Windows. Vertical pivot functions are not recommended.

      1. Sash shall be setup in Solid Rabbeted Jambs with Exterior Flat Casing or Standard Brickmold unless otherwise specified.
      2. Sash shall be inswing at top, out swing at bottom.
      3. Jamb/Sash shall be double lined with a combination of Q-lon weather-strip around the full sash perimeter.
      4. Sash shall be secured with an Ives #80 brass transom latch and chain. Pole operator shall be available if specified.
      5. Pivot cam hardware shall be specifically engineered for unit size and weight specified.
      6. Traditional turn latches of specified finishes shall be available at additional cost if specified.
      7. Hardware manufactures cut sheets shall be submitted upon request.

    H. Folding Windows: (Bi-fold, Tri-fold, etc.)

      1. Sash shall be setup in Solid Rabbeted Jambs with Exterior Flat Casing or Standard Brickmold unless otherwise specified.
      2. Jamb/Sash shall be double lined with a combination of bronze interlocking sill and Q-lon weather-strip around the full sash perimeter.
      3. The sash shall be operable without removing the exterior screens.
      4. Screens shall be removable and installed with bullet catches or fasteners sufficient to hold screen frame securely in place and maintain taught fabric.
      5. Screen fabric shall be charcoal fiberglass or charcoal anodized aluminum. Bronze screen fabric shall be available at additional cost if required.
      6. Manual operating hardware shall be Ives solid brass casement latches.
      7. GU's European multipoint locking system and GU's solid brass handle and escutcheon including GU's exclusive powder-coated finish that greatly increases corrosion resistance for which salt spray test results have surpassed 1000 hours without a residue event may be substituted as specified.
      8. Solid brass surface bolts or flush bolts shall be used to secure secondary leaf.
      9. Hinges shall be solid brass butts or GU 922 or 925 adjustable hinges as required.
      10. Hardware manufactures cut sheets shall be submitted upon request.

    I. Sliding Windows:

      1. Sash shall be setup fixed or free sliding as required in the Premium Jamb System including Blind Stops, Parting Stops & Adjustable Interior Beaded Stops.
      2. Sash shall include offset meeting or check rails as required.
      3. Jamb/Sash shall be double lined with a combination of bronze interlocking, compression and Q-lon weather-strip around the full sash perimeter and meeting/check rails.
      4. Units over 60" in height shall include Woodstone's solid brass adjustable meeting rail interlocking weatherstrip.
      5. Exterior Flat Casing or Standard Brickmold shall be provided unless otherwise specified.
      6. Sill shall include a Woodstone Solid Brass or GU extruded aluminum track with adjustable height Truth nylon rollers.
      7. Operating hardware shall be Truth 401 head and sill deadbolts with standard handles. Merit stile latch or Ives surface bolts may also be used as required.
      8. Screens shall be fixed or sliding as specified. Sliding screens shall be wooden framed on solid brass track with non-locking solid brass flush pulls or D style handles.
      9. Hardware manufactures cut sheets shall be submitted upon request.

    J. Fixed Windows:

      1. Fixed sash shall be setup in jamb/frame types as consistent in design and shape as possible with related or adjacent operable sash where ever required to maintain fenestration site lines.
      2. Fixed sash shall be fixed in place with removable stops or permanently attached to the jamb/frame with galvanized screws.
      3. Sash, permanently fixed with screws into the jamb shall be sealed around the full perimeter with Tremco JS-950 paintable sealant. Fixed sash that are removable shall be sealed with full perimeter Q-lon or equal.

    K. Sash Pairs: Inswing or outswing sash specified in pairs (two or more sash in one jamb/frame opening) shall include an astragaled, shiplaped or knuckled meeting rail sufficient in size and shape to accept specified hardware function and weatherstrip system.

    L. Combination Window Units: Mulled combinations of fixed and/or operable sash shall include detailing necessary to coordinate mullioned jambs from any one function to another as required, including interior and exterior trim systems to maintain fenestration site lines specified.

    M. Sash: Ref. Par. 1.07 QUALITY ASSURANCE, sub par. G, Comply with AWI Premium Grade.

      1. All glazing stops shall be applied from interior stile and rail face and shall be coped where molded corners are specified. Miters and butt joints are acceptable only on square edged or non-molded stops.
      2. All extraneous glazing sealants shall be trimmed from visible glass of sash bars and muntins.

    N. Screens:

      1. Fabric: Screen fabric shall be charcoal fiberglass or charcoal anodized aluminum. Bronze and Stainless Steel screen fabric shall be available at additional cost if required.
      2. Frames (Stiles & Rails):

        2a. Wooden Frame: Ref. Par. 1.07 QUALITY ASSURANCE, sub par. G, Comply with AWI Premium Grade.
        2b. Custom Aluminum Frame: heavy guage 1 1/4" x 3/8" extruded aluminum; standard colors.
        2c. Economy Aluminum Frame: light guage 7/8" x 5/16" extruded aluminum; standard colors.

    O. Jambs/Frames: Ref. Par. 1.07 QUALITY ASSURANCE, sub par. G, Comply with AWI Premium Grade.

    P. Wood Joinery: Wood Joinery shall conform to AWI Premium Grade Standards as specified in Par. 1.06 QUALITY ASSURANCE, sub par. G. Comply with AWI Premium Grade.

    Q. Custom Hardware: Custom hardware, not listed herein, shall be considered as specified. It is the Window Manufacturer's responsibility to coordinate all operable systems and woodwork with custom hardware that has been specified.

    R. Egress: Egress requirements of local codes shall be determined and specified by the Installing Contractor. It shall be the responsibility of the Window Manufacturer to fabricate units in accordance with egress requirements specified.

    S. Alternate Fabrication Systems: by other manufacturers, having equal performance ratings and from manufactures demonstrating equivalent capacity to those specified herein, may be considered, provided that deviations do not change the design concept or intended performance of the product as judged by the architect. The burden of proof is on the proposer.

2.04 FINISHES

    A. Windows shall be factory finished in accordance with Par. 2.02 MATERIALS, sub par. C.
    B. All sash, jamb and trim component parts, including all surfaces, edges, sides and ends of all component parts shall be factory finished with at least one coat of prime or sealer and one coat of finish paint or Marine Tung Oil prior to the setting of glass and glazing stops in the sash.


PART 3:
EXECUTION

3.01 SITE PREPARATION

    A. The Installing Contractor shall comply with Par. 1.07 DELIVERY STORAGE AND HANDLING.
    B. The Installing Contractor shall comply with Par. 1.08, PROJECT CONDITIONS.
    C. The Installing Contractor shall comply with SUMMARY Par. 1.02, sub par. D, including but not limited to the coordination and maintenance of on-site Masonry Openings, Trim Openings and Rough Openings, in association with the approved shop drawings.

3.02 INSPECTION

    A. The installing Contractor shall inspect openings before beginning installation. Verify that the opening is correct and the sill plate is level. The Installing Contractor shall not proceed with the installation of the window units until unsatisfactory conditions have been corrected.

      1. Masonry surfaces shall be dry and free from excess mortar, sand and other construction debris.
      2. Wood frame walls and Rough Openings shall be dry, clean, sound and well-nailed, free of voids and without offsets at joints.
      3. Nail heads shall be driven flush with frame surfaces in the opening and with 3" of the openings corners.
      4. Coordinate window installation with all wall flashing and other built-in components.

3.03 INSTALLATION

    A. The Installing Contractor shall comply with the Window Manufacturer's recommended installation instructions, including but not limited to the following:

      1. Set units plumb, level and true to line, without warp or rack of jamb/frame,sash or glazing.
      2. Provide proper support and anchor units securely in place.
      3. Set sill members and exterior trim members in and/or against a bed of Tremco JS-950 sealant or equal.
      4. Head trim/jamb members shall be adequately sealed and/or weather-stripped to the exterior sub-sheathing, exterior siding or exterior masonry facade by the Installing Contractor.

3.04 ON-SITE FINISHING & TOUCH-UP

3.05 ADJUSTING

    A. The Installing Contractor shall adjust all operating sash and hardware to provide a tight fit at contact points and weather-stripping and insure smooth operation. Apply lubricants recommended by the Window Manufacturer as required

3.06 CLEANING

    A. The Installing Contractor shall clean interior and exterior surfaces promptly after installation and on-site finishing. Take care to avoid damage to protective coatings and finishes. Remove excess glazing sealants, mortar, stucco, dirt, grease and other substances.

    B. Clean glass of preglazed windows promptly after installation and on-site finishing. Do not scratch glass with cleaning tools. All glass, especially heated treated or tempered glass, can be easily scratched by certain cleaning compounds and cleaning devices. Do not use solvents that damage or deteriorate the finish, glazing compounds or insulating glass sealants.

3.07 PROTECTION

    A. The Installing Contractor shall take necessary precautions to protect window units from damage or deterioration until time of substantial completion of the Installing Contractor's contract.

    B. The installing Contractor shall remove and replace glass that has been broken, chipped, cracked, abraded or damaged until time of substantial completion of the Installing Contractor's contract.

    C. The Installing contractor shall execute any warranty work qualifying with the Window Manufacturer's published warranty until time of substantial completion of the Installing Contractor's contract.


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