\* \* \* \* \* \* \* \*

READ AND **REMOVE THIS PAGE** BEFORE PLACING

THE SPECIFICATION SECTION IN THE CONTRACT

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[DIVISION 8: DOORS AND WINDOWS]{.underline}

SECTION 08612 ‑ PLASTIC CLAD WOOD WINDOWS

USE: \[Furnishing\] \[and\] \[installing\] exterior wood window having a
bonded plastic weather seal on exterior surfaces and exposed wood on the
interior surfaces.

**NOTES TO SPECIFIER:**

A. Options within paragraphs are identified by enclosure in brackets;
blank spaces enclosed by brackets \[\_\_\_\_\_\] provide for information
to be inserted, as appropriate, to individual projects.

B. **TO AVOID CONFLICTING REQUIREMENTS AND COSTLY MISTAKES,** the
specifier must edit (delete, substitute or add to the text). The
remaining paragraphs must be renumbered.

C. DELETE FOR FINAL COPY: Notes to the Specifier, located between lines
of asterisks; all \[brackets\], [underlining]{.underline}, **boldface**,
and *italics*, within the paragraphs; and this page. (Open Reveal Codes
\[alt F3\] to do this accurately.)

D. [To Edit "(Footer B)":]{.underline} (Corel 8). **ENTIRE FOOTER SHOULD
BE BOLDED.** Click in the footer and delete the "Project Name (ftr B)"
text and replace it with the **Name of the Project (upper and lower
case)**. Replace date with current MM/YY (WITHOUT BRACKETS).

E. The Guide Specifications are intended to be continuously reviewed and
revised. User's technical comments are appreciated. Also, other related
or similar specification that are written "from scratch" that could
benefit others, or other questions can be sent to NSTC A/E Group, ST
110, or call (303) 987-6868.

**\[DRAWING DATA\] REQUIRED:**

**REQUIRED SPEC MODIFICATIONS:**

[GENERAL NOTES]{.underline}

A. Whenever entire articles, paragraphs, or subparagraphs are not
applicable, the articles, paragraphs, or subparagraphs should be
deleted; when necessary, reletter or renumber articles, paragraphs, or
subparagraphs.

B. THIS GUIDE IS NOT INTENDED AS A SUBSTITUTE FOR READING THE ENTIRE
SECTION.

[TECHNICAL NOTES]{.underline}

A. 1.1B: Select or add applicable specification sections. Do not list
specification sections from Division 8.

B. 1.2: Select or add applicable references.

C. 1.3A: Select applicable specification section.

D. 1.3B: Insert number of copies of the manufacturer\'s descriptive data
required. Normally 5 copies are required. Distribution after review is
normally 1 copy to the COR, 3 copies to the Contractor, and 1 copy to
the project file.

E. 1.3C: Insert number of copies of the manufacturer\'s installation
instructions required. Normally 5 copies are required. Distribution
after review is normally 1 copy to the COR, 3 copies to the Contractor,
and 1 copy to the project file.

F. 1.3D: Insert number of copies of the manufacturer\'s operating and
maintenance instructions required. Normally 5 copies are required.
Distribution after review is normally 1 copy to the COR, 3 copies to the
Contractor, and 1 copy to the project file.

G. 1.3E: Insert number of copies of shop drawings required. Normally 5
copes are required. Distribution after review is normally 1 copy to the
COR, 3 copies to the Contractor, and 1 copy to the project file.

H. 1.3F: Inset number of copies of test data required. Normally 5 copies
are required. Distribution after review is normally 1 copy to the COR, 3
copies to the Contractor, and 1 copy to the project file.

I. 4.1 and 4.2: When a \"lump sum\" Contract is used, delete the title
PART 4: MEASUREMENT AND PAYMENT, and both articles from this section.
Measurement and payment will be addressed in Part 4 of \[Section 01009 -
General Information and Requirements\] \[or\] \[Section 01010 - Summary
of Work\].

J. 4.1A: When not a \"lump sum\" Contract, select applicable phrases;
use the \"no measurement\" phrase when none of the Pay Items in this
section are included in the Bid Schedule.

K. 4.2A: When no a \"lump sum\" Contract, select applicable phrases; use
the \"no direct payment\" phrase when none of the Pay Items in this
section are included in the Bid Schedule.

**REVISIONS OF THIS SECTION:**

CSI format, editorial changes: 12/01

Metric:

Technical Update: 09/92

SECTION 08612

PLASTIC CLAD WOOD WINDOWS

[PART 1: GENERAL]{.underline}

1.1 SUMMARY:

A. Section Includes: Providing and installing plastic clad wood gliding
windows.

1.2 REFERENCES:

A. American Society for Testing and Materials:

ASTM D 1784‑91 Rigid Poly (Vinyl Chloride) (PVC) Compounds and
Chlorinated Poly (Vinyl Chloride) (CPVC) Compounds

ASTM E 283‑91 Test Method for Determining the Rate of Air Leakage
Through Exterior Windows, Curtain Walls, and Doors Under Specified
Pressure Differences Across the Specimen

ASTM E 331-86 Test Method for Water Penetration of Exterior Windows,
Curtain Walls and Doors by Uniform Static Air Pressure Differential

B. International Conference of Building Officials (ICBO):

UBC-1991 Uniform Building Code

C. National Woodwork Manufacturers Association Industry Standards:

NWMA I.S.2‑80 Wood Window Units

NWMA I.S.4‑81 Water‑Repellant Preservative Non‑Pressure Treatment for
Millwork

1.3 SUBMITTALS:

A. General: Submittals shall be according to \[Section 01009 - General
Information and Requirements.\] \[and\] \[Section 01300 - Submittals.\]
\[and\] \[Section 01365 - Certificates of Conformance.\]

B. Manufacturer\'s Literature: Submit \[\_\_\_\_\] copies of the
manufacturer\'s descriptive data for window units to be used on this
project.

C. Installation Instructions: Submit \[\_\_\_\_\] copies of the
manufacturer\'s installation instructions for window units to be used on
this project.

D. Operating and Maintenance Instructions: Submit \[\_\_\_\_\] copies of
the manufacturer\'s operating and maintenance instructions for window
units \[the following items\] to be used on this project.

E. Shop Drawings: Submit \[\_\_\_\_\] copies of shop \[and erection\]
drawings for window units to be used on this project. \[Drawings shall
be prepared by and bear the stamp of a \[registered
\[\_\_\_\_\_\_\_\_\_\_\_\_\_\_\] engineer\] \[licensed architect.\]
\[Shop drawings shall show location, elevation and installation.
Drawings shall be \[same\] \[larger\] scale as the full size Contract
Drawings.

F. Test Data: Submit \[\_\_\_\_\] copies of test data for window units
to be used on this project. \[Testing shall have been performed by an
independent testing laboratory within \[\[\_\_\_\] years\]
\[\[\_\_\_\_\] months\] \[of submitting the report for approval.\] Test
data shall indicate the unit \"u\" value and air infiltration factor.

1.4 QUALITY ASSURANCE:

A. Failure Criteria: Not limited to the following:

1\. Hardware becoming inoperable.

2\. Warping of unit.

3\. Glass breakage.

4\. Moisture penetration from faulty sealant application.

1.5 DELIVERY, STORAGE, AND HANDLING:

A. Delivery: Window cartons shall be inspected upon arrival at the
job‑site to detect whether any damage was incurred in transit. Damaged
cartons shall be opened immediately to check the condition of the window
unit. Damaged windows shall be returned and reordered at the
Contractor\'s expense.

B. Storage: Cartons shall be stored in a clean, dry location remote from
construction activities until needed for installation in the building.

[PART 2: PRODUCTS]{.underline}

2.1 MATERIALS:

A. Exterior Trim and Mullion Joiners: Where indicated, vinyl trim strips
and wood fillers at all mullions by window manufacturer. Provide
matching fillers treated with water repellent preservative at 2 inch
support mullions.

B. Extension Jambs: Clear material approved in NWMA I.S.2 and dried to
6‑12 percent moisture content.

C. Triple Glazing Panel: All sash shall be fitted with removable glazing
(storm) panels glazed with select quality glass and waterproof glazing
adhesive on the exterior of sash. Frame of 0.024 ga. aluminum with
finish to match. Attach panel with matching vinyl tabs screened to sash
in nylon inserts.

D. Color: See Section 09999 ‑ Color Schedule for exterior color
required.

E. Joint Sealant: Joint sealant around perimeter as detailed on drawings
and as specified in Section 07920.

F. Interior Paint: Paint interior of frame as per Section 09915 ‑
Exterior and Interior Painting.

2.2 MANUFACTURED UNITS:

A. Windows: Vinyl clad wood gliding window units, double insulation
glazed at the factory and complete with aluminum insect screens. See
drawings and Section 08818 - Wire Glass for locations requiring safety
glass installations. Units shall be supplied with extended jamb, head
and sill frame to fit 2 x 6 framing.

1\. Wood: Members shall be made of species approved by NWMA I.S.2 and
dried to moisture content of 6‑12% before fabrication. Sash and frame
members shall receive water repellant preservative in accordance with
NWMA I.S.4.

2\. Rigid Vinyl (PVC): Shall meet requirements of ASTM D 1784, Class
l4344‑C.

3\. Sash Members: Wood core completely clad with seamless rigid vinyl
extrusion 0.045 inch thickness. Corners heat welded.

B. Glazing: Glass shall be double pane insulating glass factory
installed.

C. Weatherstripping: Factory applied.

1\. ab Vent Sash: Spring tension rigid vinyl.

2\. ab Stationary Sash: Foamed polyvinylchloride gaskets.

3\. Air Infiltration: In accordance with ASTM E 283.

4\. ab Water Infiltration: In accordance with ASTM E 331.

D. Hardware: Venting sash shall have two chrome‑plated steel guides
applied to bottom rail and a metal interlock attached to meeting stiles
of both venting and stationary sash. Venting sash shall have two‑way
spring loaded locking mechanism with steel looking rods applied. Locking
handle shall be stone color zinc die casting. Metal snugger with a
golden dichromate finish shall be applied to stationary side jamb.

E. Screens: All venting sash. Frames of 0.024 ga rolled aluminum with
chromate conversion coating and a stone colored high‑bake vinyl finish.
Aluminum 18 x 16 mesh.

[PART 3: EXECUTION]{.underline}

3.1 EXAMINATION:

A. Verification of Conditions: Contractor shall ascertain that all
window openings are level, plumb and square and that they are framed to
the correct dimensions as shown on the approved shop drawings.

3.2 PREPARATION:

A. Protection: Contractor shall protect the complete units from damage
during construction. Should damage occur, Contracting Officer will
determine appropriate action required to repair or replace at
Contractor\'s expense.

3.3 INSTALLATION:

A. General: Install units making sure that sills and heads are level,
jambs plumb and blocked. Check for squareness of unit before final
anchoring in the wall.

1\. Center window in opening, rest bottom on plate.

2\. Nail one top corner first, then level unit and nail opposite corner
with 1‑3/4 inch roofing nails. Leave adequate clearance for caulking
around perimeter.

3\. Square the window, check reveal around perimeter, and nail remaining
two corners.

B. Support Mullion Application:

1\. Insert wood filler into mullion space with saw kerfs exposed.

2\. Nail with 8d casing nails and avoid nailing into saw kerfs.

3\. Apply vinyl strip starting flush with bottom of sill. Press legs
into saw kerfs and seat firmly.

4\. Nail extension jambs straight into jambs with finish nails.

C. Framing Voids: Fill voids between jambs and framing with loose batt
insulation.

D. Sealant: Seal area where window makes contact with exterior finish
material. See Section 09999 ‑ Color Schedule for color required.

E. Painting: Protect and finish paint exposed wood members promptly. See
Section 09999 ‑ Color Schedule for color required and Section 09915 ‑
Exterior and Interior Painting for material required. Lap paint onto
glass. Keep paint off weatherstrips and interior hardware.

3.4 FIELD QUALITY CONTROL:

A. Inspection: Check installation and operation of each unit before
application of interior trim.

3.5 CLEANING:

A. General: Before leaving job, clean and check operation of window
units. Do not use abrasive cleaners or solutions containing corrosive
solvents.

[PART 4: MEASUREMENT AND PAYMENT]{.underline}

4.1 METHOD OF MEASUREMENT:

A. Units: The work described in this section will not be measured for
payment.

4.2 BASIS OF PAYMENT:

A. Payment: No direct payment for the work described under this section
will be made. Contractor shall include consideration for this item in
the bid price for other items of the Contract.

END OF SECTION