02_SOW_Specifications_StanfordWindowReplacements.docx

Specifications Stanford Window Replacements 02/20/2025

STANFORD WINDOW REPLACMENTS

SPECIFICATIONS

TABLE OF CONTENTS

SECTION 0133 – SUBMMITTAL PROCEDURES

GENERAL

PROCEDURES FOR SUBMITTALS

Reviewing, Certifying, Approving Authority: Contractor shall be responsible for reviewing and certifying that submittals are in compliance with contract requirements.

Scheduling: Allow review period, beginning with receipt by approving authority that includes at least 5 working days for submittals for contracting officer approval. Period of review for submittals with contracting officer approval begins when Government receives submittal from contractor. Period of review for each resubmittal is the same as for initial submittal.

Variations: Variations from contract requirements require Government approval pursuant to contract Clause entitled “FAR 52.236-21, Specifications and Drawings for Construction” and will be considered where advantages to government.

Submittal Schedule:

END OF SECTION 0133

SECTION 0620 - FINISH CARPENTRY, WINDOW FRAME-IN

1. GENERAL

SUMMARY

General Description:

Two window openings have been “temporarily” framed in and no longer function as windows. Contractor shall re-frame each of these window closures to provide a finished weather-resistant installation.

ACTION SUBMITTALS

NA

PRODUCTS

MATERIALS, GENERAL

Water-Resistive Barrier: Shall comply with one of the following No. 15 felt complying with ASTM D226, Type 1.

ASTM 2556, Type 1 or 2.

ASTM E331

Other approved materials in accordance with the manufacture’s installation instructions.

Metal Siding:

Install new metal siding over upper window opening to match texture and color of existing metal siding system.

All flashing and finishes required to complete a water-resistive wall assembly is incidental to this work.

Gypsum Board:

Gypsum board and gypsum panel product materials and accessories shall conform to ASTM C22, C475, C514, C1002, C1047, C1177, C1178, C1278, C1396, C1658 or C1766 and shall be installed in accordance with manufacturer's installation instructions.

Insulation (closed cell):

R5 or greater per inch Foam insulation shall provide an exterior air barrier.

Junctions of rim board to sill plate and the rim board to the subfloor shall be air sealed.

Plywood:

Minimum Thickness: 7/16” Exposure Durability: Exposure 1 Span Rating: 16” OC Fiber Cement Panel Siding:

Thickness: 0.312 in minimum.

Profile: Panel Features: UV Protected, Water Resistant Finish: Painted (color to be approved by the COR).

Wood-Preservative-Treated Materials:

Water-Repellent Preservative Treatment by Nonpressure Process: AWPA N1; dip, spray, flood, or vacuum-pressure treatment Preservative Treatment by Pressure Process: AWPA U1; Use Category UC3a or UC3b.

MISCELLANEOUS MATERIALS

Fasteners for Exterior Finish Carpentry: Provide nails or screws, in sufficient length to penetrate not less than 1-1/2 inches (38 mm) into wood substrate.

For face-fastening siding, provide ringed-shank siding nails or hot-dip galvanized-steel siding nail unless otherwise indicated.

For prefinished items, provide matching prefinished aluminum fasteners where face fastening is required.

For pressure-preservative-treated wood, provide stainless steel or hot-dip galvanized-steel fasteners.

For applications not otherwise indicated, provide stainless steel or hot-dip galvanized-steel or aluminum fasteners.

Flashing: Comply with requirements in Section 076200 "Sheet Metal Flashing and Trim" for flashing materials installed in exterior finish carpentry.

Horizontal Joint Flashing for Panel Siding: Preformed, galvanized-steel, aluminum, prefinished-aluminum or stainless steel, Z-shaped flashing.

Sealants: Latex, complying with ASTM C834 Type OP, Grade NF and applicable requirements, and recommended by sealant and substrate manufacturers for intended application.

EXECUTION

EXAMINATION

Examine substrates for compliance with requirements for installation tolerances and other conditions affecting performance of the Work.

Examine finish carpentry materials before installation. Reject materials that are wet, moisture damaged, and mold damaged.

Proceed with installation only after unsatisfactory conditions have been corrected.

PREPARATION

Clean substrates of projections and substances detrimental to application.

Prime lumber and moldings to be painted, including both faces and edges, unless factory primed.

Cut to required lengths and prime ends.

INSTALLATION, GENERAL

Do not use materials that are unsound, warped, improperly treated or finished, inadequately seasoned, or too small to fabricate with proper jointing arrangements.

Do not use manufactured units with defective surfaces, sizes, or patterns.

Install exterior finish carpentry level, plumb, true, and aligned with adjacent materials.

Use concealed shims where necessary for alignment.

Scribe and cut exterior finish carpentry to fit adjoining work.

Refinish and seal cuts as recommended by manufacturer.

INSTALLATION OF STANDING AND RUNNING TRIM

Install trim with minimum number of joints as is practical, using full-length pieces from maximum lengths of lumber available. Do not use pieces less than 24 inches (610 mm) long, except where necessary.

Use scarf joints for end-to-end joints.

Stagger end joints in adjacent and related members.

Fit exterior joints to exclude water.

Cope at returns and miter at corners to produce tight-fitting joints, with full-surface contact throughout length of joint.

Plane backs of casings to provide uniform thickness across joints, where necessary for alignment.

Where face fastening is unavoidable, countersink fasteners, fill surface flush, and sand unless otherwise indicated.

INSTALLATION OF SIDING

Panel Siding:

Install panels with edges over framing or blocking.

Nail at 6 inches (150 mm) o.c. at panel perimeter and 12 inches (300 mm) o.c. at intermediate supports unless manufacturer recommends closer spacing.

Leave 1/16-inch (1.5-mm) gap between adjacent panels and 1/8-inch (3-mm) gap at perimeter, openings, and horizontal joints unless otherwise recommended by panel manufacturer.

Seal butt joints at inside and outside corners and at trim locations.

Install continuous metal flashing at horizontal panel joints.

Apply battens and corner trim as indicated. Countersink nail heads, fill flush, and sand filler.

Do not nail through overlapping pieces.

Finish: Apply finish within two weeks of installation.

END OF SECTION 0620

SECTION 0817 - FIBERGLASS DOOR ASSEMBLIES

SUMMARY

General Description:

Removal and replacement of two exterior doors assemblies. New doors shall include glazing. No screen doors to be installed as part of this replacement.

ACTION SUBMITTALS

Product Data:

Integrated fiberglass door-opening assemblies.

Include doors, frame, operating hardware, and accessories.

Include construction details, material descriptions, fire-resistance ratings, smoke ratings, temperature-rise ratings, and finishes.

PRODUCTS

INTEGRATED FIBERGLASS DOOR-OPENING ASSEMBLIES

Source Limitations: Obtain integrated fiberglass door-opening assemblies, including doors, frames and hardware, from single source from single manufacturer.

Construct integrated fiberglass door-opening assemblies using solid doors and frames that comply with standards indicated for materials, fabrication, hardware locations, hardware reinforcement, tolerances, clearances, and as specified. Provide factory-installed hardware to the maximum extent practicable.

Doors and Frames:

Doors:

Nominal Height: 80 in Nominal Width: 36 in Nominal Thickness: 2 in.

Bore Type: Double Bore Material: Fiberglass, Insulated Color: White Door Handling: Left-Handed/Inswing Door Glass: Dual Pain, Flush Glazed, Tempered Glass Style: Clear, located in upper 1/3 of door.

Door Type: Exterior Prehung Frames:

Materials: Wood, Metal, or Fiberglass.

INTEGRATED METAL DOOR-OPENING ASSEMBLY HARDWARE, GENERAL

General: Provide integrated fiberglass door-opening assembly hardware for each integrated fiberglass door-opening assembly, to comply with requirements in this Section.

Integrated Fiberglass Door-Opening Assembly Hardware Sets: Provide quantity, item, size, finish, or color indicated.

DOOR LOCK

Install matching lock-sets for each door. Locks shall be equipped with both electronic keypad and key entry backup. Door locks shall comply with the following design criteria:

Material: Metal Handle Type: Lever Lock Type: Electronic Key Pad with Keyed entry backup.

Power Source: Battery Finish: Satin Nickel or Aged Bronze Both doors to be keyed the same. Provide a minimum of 4 sets of keys.

FRAME ANCHORS

Jamb Anchors:

Type: Anchors of minimum size and type required by applicable door and frame standard, and suitable for performance level indicated.

Quantity: Minimum of three anchors per jamb, with one additional anchor for frames with no floor anchor. Provide one additional anchor for each 24 inches (610 mm) of frame height above 7 feet (2.1 m).

Floor Anchors: Provide floor anchors for each jamb and mullion that extends to floor.

FINISHES

Door Faces and Frames: White. Prime painted to receive field-applied finish or Manufacturer's standard factory finish.

Provide quality of finish, including thickness of plating or coating (if any), composition, hardness, and other qualities complying with manufacturer's standards, but in no case less than that specified by referenced standards for the applicable units of hardware.

EXECUTION

INSTALLATION

General: Install integrated fiberglass door-opening assemblies plumb, rigid, properly aligned, and securely fastened in place. Comply with approved Shop Drawings and with manufacturer's written instructions.

Solidly pack insulation inside frames.

END OF SECTION 0817

SECTION 0854 - FIBERGLASS WINDOWS

SUMMARY

General Description:

Removal and replacement of all exterior windows. All interior and exterior trim, flashing, sealing, and finishes required for a weather-tight installation is incidental to the work.

ACTION SUBMITTALS

Product Data: For each type of product.

Include construction details, material descriptions, glazing and fabrication methods, dimensions of individual components and profiles, hardware, and finishes for fiberglass windows.

Shop Drawings: For fiberglass windows.

Include plans, elevations, sections, hardware, accessories, insect screens, operational clearances, and details of installation, including anchor, flashing, and sealant installation.

Product Schedule: For fiberglass windows. Use same designations indicated on Drawings.

WARRANTY

Manufacturer's Warranty: Manufacturer agrees to repair or replace fiberglass windows that fail in materials or workmanship within specified warranty period.

Failures include, but are not limited to, the following:

Failure to meet performance requirements.

Structural failures including excessive deflection, water leakage, and air infiltration.

Faulty operation of movable sash and hardware.

Deterioration of materials and finishes beyond normal weathering.

Failure of insulating glass.

Warranty Period:

Window: Ten (10) years from date of Substantial Completion.

PRODUCTS

FIBERGLASS WINDOWS

Source Limitations: Obtain fiberglass windows from single source from single manufacturer.

Operating Types: Provide the following operating types in locations indicated on Drawings:

Casement: Project out.

Fixed.

Frames and Sashes: Pultruded fiberglass complying with AAMA/WDMA/CSA 101/I.S.2/A440 and with exposed exterior fiberglass surfaces finished with manufacturer's standard enamel coating complying with AAMA 613 or AAMA 623.

Exterior Color: White Interior Finish: White (Matching exterior color and finish).

Insulating-Glass Units: ASTM E2190.

Fenestration U-Factor: 0.30 or less Energy Efficient Low-E Coating Hardware, General: Provide manufacturer's standard hardware fabricated from aluminum, stainless steel, carbon steel complying with AAMA 907, or other corrosion-resistant material compatible with adjacent materials; designed to smoothly operate, tightly close, and securely lock fiberglass windows, and sized to accommodate sash weight and dimensions.

Projected Window Hardware:

Gear-Type Rotary Operators: Complying with AAMA 901 when tested according to ASTM E405, Method A. Provide operators that function without requiring the removal of interior screens or using screen wickets.

Hinges: Manufacturer's standard type for sash weight and size indicated.

Single-Handle Locking System: Operates positive-acting arms that pull sash into locked position. Provide one arm on sashes up to 27-1/2 inches (700 mm) tall and two arms on taller sashes.

INSECT SCREENS

General: Fabricate insect screens to integrate with window frame. Provide screen for each operable exterior sash. Screen wickets are not permitted.

EXECUTION

EXAMINATION

Examine openings, substrates, structural support, anchorage, and conditions, with Installer present, for compliance with requirements for installation tolerances and other conditions affecting performance of the Work.

Verify rough opening dimensions, levelness of sill plate, and operational clearances.

Examine wall flashings, vapor retarders, water and weather barriers, and other built-in components to ensure weathertight window installation.

Proceed with installation only after unsatisfactory conditions have been corrected.

INSTALLATION

Comply with manufacturer's written instructions for installing windows, hardware, accessories, and other components. For installation procedures and requirements not addressed in manufacturer's written instructions, comply with installation requirements in ASTM E2112.

Install windows level, plumb, square, true to line, without distortion, anchored securely in place to structural support, and in proper relation to wall flashing and other adjacent construction to produce weathertight construction.

END OF SECTION 0854