C_ Attachment 4 Specifications Window Repair HLCNF 1240LT26Q0051.pdf

LCIC Window Repairs 080100 - 1 Window Cleaning

SECTION 080100

WINDOW CLEANING: INTERIOR & EXTERIOR

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Wash interior and exterior glass and frames of each window assembly identified in this contract.

B. Window washing shall be completed after all other work is complete.

PART 2 PRODUCTS

2.01 NA

PART 3 EXECUTION

3.01 CLEANING

A. Remove excess glazing materials from finish surfaces immediately after application using solvents or cleaners recommended by manufacturers.

B. Remove nonpermanent labels immediately after glazing installation is complete.

C. Clean glass and adjacent surfaces after sealants are fully cured.

D. Wash surfaces by method recommended and acceptable to window manufacturer; rinse and wipe surfaces clean.

E. Immediately remove stains resulting from the work of this section.

F. Clean surrounding surfaces.

END OF SECTION

LCIC Window Repairs 080110 - 1 Window Weatherstripping

SECTION 080110

WINDOW WEATHERSTRIPPING

A. Replacement of all existing vinyl window weatherstripping and replace in-kind.

1.02 SUBMITTALS

A. Product Data: Vinyl weatherstripping system for windows.

B. Warranty Documentation: Submit 5 year warranty that ensures water will not reach the interior of the building through the window assemblies.

1.03 WARRANTY

A. Watertight Window Assembly: Provide a five (5) year warranty to include coverage for seal failure, interpane dusting or misting, including providing products to replace failed units.

2.01 PERFORMANCE REQUIREMENTS - EXTERIOR GLAZING ASSEMBLIES

A. Weather-Resistive Barrier Seals: Provide completed assemblies that maintain continuity of building enclosure water-resistive barrier, vapor retarder, and/or air barrier.

2.02 WEATHERSTRIPPING

A. Vinyl weatherstripping to match existing system.

B. Supplemental Sealants

1. Type GC-2 - Butyl Sealant: Single component; ASTM C920 Grade NS, Class 12-1/2, Uses M and A, Shore A hardness of 10 to 20; black color.

2. Type GC-4 - Polyurethane Sealant: Single component, chemical curing, nonstaining, nonbleeding; ASTM C920 Type S, Grade NS, Class 25, Uses M, A, and G; with cured Shore A hardness range of 20 to 35; black color.

3. Type GC-5 - Silicone Sealant: Single component; neutral curing; capable of water immersion without loss of properties; nonbleeding, nonstaining; ASTM C920 Type S, Grade NS, Class 25, Uses M, A, and G; with cured Shore A hardness range of 15 to 25;

color as selected.

3.01 PREPARATION

A. Clean contact surfaces with appropriate solvent and wipe dry within maximum of 24 hours before sealing. Remove coatings that are not tightly bonded to substrates.

B. Seal porous glazing channels or recesses with substrate compatible primer or sealer.

C. Prime surfaces scheduled to receive sealant where required for proper sealant adhesion.

3.02 INSTALLATION, GENERAL

A. Install weatherstripping/glazing in compliance with written instructions of glass, gaskets, and other material manufacturers, unless more stringent requirements are indicated.

B. Install weatherstripping/glazing sealants in accordance with manufacturer's instructions.

3.03 CLEANING

A. Remove excess glazing materials from finish surfaces immediately after application using solvents or cleaners recommended by manufacturers.

LCIC Window Repairs 080153 - 1 Window Caulk

SECTION 080153

WINDOW CAULK

A. Replacement of caulking/joint sealant around exterior window frames.

1.02 SUBMITTALS

A. Product Data: Caulk/joint sealant

2.01 CAULK (JOINT SEALANT)

A. Several sealants have been tested by sealant manufacturers and have been found to be compatible with Dryvit products. These sealants are:

1. Tremco, Inc.

1) Sealant: Spectrem 1, Spectrem 3, and Spectrem 4

2) Primer: TREMprime Silicone Porous Primer

2. Pecora Corporation

1) Sealant: Dynatrol II

2) Primer: Type 75 or 150

3. Pecora Corporation

1) Sealant: 890 FTS or 890 NFT

2) Primer: 150

4. Sika Corporation

1) Sealant: Sikaflex 2C

2) Primer: Sikaflex 429A

B. Use one of the above listed sealants and primers or an approved equal recognized by the Dryvit system manufacturer.

C. To the greatest extent possible, new sealant shall match color of existing sealants.

3.01 INSTALLATION, GENERAL

A. Remove existing deteriorated joint sealant compound from exterior window perimeters.

B. Application of new sealant shall follow sealant manufacturer’s installation instructions.

C. Install primer, bond breaker and/or backer rod as required.

D. Apply sealant with gun or knife as appropriate, using proper nozzle and technique. Sealant should completely fill joint cavity to backer material and be in intimate contact with the substrate.

E. Finished sealant shape and color shall match existing

LCIC Window Repairs 088155 - 1 Window Replacement

SECTION 088155

WINDOW REPLACEMENT

A. Replacement of existing damaged windows and supporting elements.

1. Window casings, trim, sealants/weatherstripping, frames, etc.

1.02 SUBMITTALS

A. Product Data: Include component dimensions, information on glass and glazing, internal drainage details, and descriptions of hardware and accessories.

1.03 FIELD CONDITIONS

A. Do not install sealants when ambient temperature is less than 40 degrees F (5 degrees C).

B. Maintain this minimum temperature during and 24 hours after installation of sealants.

2.01 REPLACEMENT WINDOWS

A. Custom-fabricate replacement windows to accurately replicate key features of existing units.

1. Fabricate using same or similar materials.

2. Replicate configuration of glass panes.

3. Replicate glass and glazing materials.

4. Replicate proportions and profiles of the frame components, sash components, and exterior trim.

5. Provide weatherstripping of type that does not significantly change the original appearance of the units.

3.01 EXAMINATION

A. Verify that surfaces to be cleaned and restored are ready for work of this section.

3.02 PREPARATION - IN SITU RESTORATION

A. Install windows in accordance with manufacturer's instructions.

B. Protect surrounding elements from damage due to restoration procedures.

C. Remove or dismantle and store removable items located in areas to be restored including, but not limited to, fixtures, fittings, finish hardware, and accessories; reinstall upon completion of restoration work.

D. Separate areas to be protected from restoration areas to prevent damage.

3.03 WEATHERIZATION

A. Apply weatherstripping indicated along edge of sash in accordance with manufacturer's instructions.

3.04 CLEANING

A. Immediately remove stains resulting from the work of this section.

B. Clean surrounding surfaces.