122400 Window Shades.pdf

Bldg. 500 – Renovate 3B 08-01-17 Project No. 613-19-101

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SECTION 12 24 00

WINDOW SHADES

PART 1 - GENERAL

1.1 DESCRIPTION:

A. This Section includes roller window shades for manual operation.

B. All existing windows have roller shades. The Contractor shall provide new roller shades on all exterior window openings. The Contractor shall provide new roller shades for exterior window openings that are concealed by framed walls.

1.2 RELATED WORK:

A. Color of shade cloth Section 09 06 00, SCHEDULE FOR FINISHES.

B. Section 09 29 00 Gypsum Board, substrate for window shade systems

C. Section 09 51 00 Acoustical Ceilings: Shade pockets, pocket closures and accessories.

1.3 QUALITY ASSURANCE:

A. Manufacturer's Qualification: Submit evidence that the manufacture has a minimum of three (3) years’ experience in providing item of type specified, and that the blinds have performed satisfactorily on similar installations. Submit qualifications.

B. Submit qualifications for installers who are trained and approved by manufacturer for installation of units provided.

C. Electrical Requirements:

1. NFPA 70 Article 100.

2. Listed and labeled in accordance with UL 325.

3. Marked for intended use, and tested as a system.

4. Individual testing of components is not acceptable in lieu of system testing.

1.4 SUBMITTALS:

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT

DATA, AND SAMPLES.

B. Samples:

1. Shade cloth, each type, 610 mm (24 inch) square, including cord and ring, showing color, finish and texture.

C. Manufacturer's literature and data; showing details of construction and hardware for:

Cloth and window shades

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D. Shop Drawings: Provide fabrication and installation details for cloth shades, including shade cloth materials, their orientation to rollers, and their seam and batten locations.

E. Operation and Maintenance Data: List of all components with part numbers, sources of supply, and operation and maintenance instructions;

include copy of shop drawings.

E. Fire Testing: Submit report of flame spread and smoke developed during product material tests by independent testing laboratory.

F. Manufacturer’s warranty.

1.5 WARRANTY:

A. Construction Warranty: Comply in accordance with contract.

B. Manufacturer Warranty: Manufacturer shall warranty their window shades for a minimum of five (5) years from date of installation and final acceptance by the Government. Submit manufacturer’s warranty.

1.6 EXTRA MATERIALS

A. Furnish extra materials described below that match products installed and that are packaged with protective covering for storage and identified with labels describing contents.

1. Roller Window Shades: Before installation begins, for each size, color, texture, and pattern indicated, full-size units equal to five

(5) percent of amount installed.

1.7 APPLICABLE PUBLICATIONS:

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

B. Federal Specifications (Fed. Spec.):

AA-V-00200B.............Venetian Blinds, Shade, Roller, Window, Roller, Slat, Cord, and Accessories

C. ASTM International (ASTM):

A240/A240M-14...........Chromium and Chromium-Nickel Stainless Steel

Plate, Sheet, and Strip for Pressure Vessels and for General Applications

B221-14.................Aluminum-Alloy Extruded Bars, Rods, Wire, Shapes, and Tubes

B221M-13................Aluminum-Alloy Extruded Bars, Rods, Wire, Shapes, and Tubes (Metric)

G21-13..................Determining Resistance of Synthetic Polymeric

Materials to Fungi

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D. National Electric Manufacturer’s Association (NEMA):

ICS 6-93(R2006).........Industrial Control and Systems Closures

E. National Fire Protection Association (NFPA):

70-14...................National Electrical Code (NEC)

701-15..................Fire Tests for Flame Propagation of Textiles and Films

F. Underwriters Laboratories Inc. (UL):

325-06(R2013)...........Door, Drapery, Gate, Louver, and Window

Operators and Systems

PART 2 - PRODUCTS

2.1 DUAL ROLLER WINDOW SHADES:

A. Design basis as Manual clutch roller window shades with Roller Shade

Bracket and line guide, Lutron Electronics or approved equal;

Alternative product as follows:

Bidding on:

Manufacturer Name: _______________________

Brand: __________________________________

No.: ____________________________________

B. Roller Shades: Fabric roller shades complete with mounting brackets, roller tubes, hembars, hardware and accessories; fully factory-assembled.

1. Size as indicate on drawings.

C. Roller Tube: As required for type of operation.

1. Size: Manufacturer's standard, selected for suitability for installation conditions, span, and weight of shades.

2. Size: As indicate on drawings

3. Fabric Attachment: Utilize double-sided adhesive strip with minimum of one turn of fabric on roller before working section of fabric starts.

D. Hembars: Wall thickness designed for weight requirements and adaptation to uneven surfaces, to maintain bottom of shade straight and flat.

1. Color/Finish: As selected from manufacturer’s standard colors

2. Endcaps: Color to coordinate as recommended by manufacturer.

E. Shade Accessories:

1. Brackets and Mounting Hardware: Size as recommended by manufacturer for mounting configuration and span indicated.

a. Universal mounting bracket.

b. Two-piece adjustable mounting bracket.

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c. Dual bracket for two shades mounted in same opening.

d. Bracket with wire management for compatible

2. Fascia: Size as required to conceal shade mounting.

3. Pocket: Manufacturer's standard; or 0.06 inch (1 mm) thick minimum aluminum pocket for recessed mounting.

F. Light-Sealing Accessories for Blackout Shades: Provide sill angles;

side channels; to complete light seal.

G. Install two (2) shades per window, consisting of a sunscreen with 10 percent openness and privacy screen.

2.2 MATERIALS:

A. Stainless Steel: ASTM A240/A240M.

B. Extruded Aluminum: ASTM B221M (B221).

C. Cords for Cloth roller shades: No. 4 braided nylon or No. 4-1/2 braided cotton having not less than 80 kg (175 pounds) breaking strength.

2.3 FASTENINGS:

A. Zinc-coated or cadmium plated steel or stainless steel fastenings of length and type recommended by manufacturer. Except as otherwise specified, provide fastenings for installation with various structural materials as follows:

Type of Fastening Structural Material

Wood screw Wood

Tap screw Metal

Case-hardened, self-tapping screw in pre-drilled hole

Solid masonry, concrete

Screw or bolt in expansion shields

Solid masonry, concrete

Toggle bolts Hollow blocks, gypsum wallboard, plaster

2.4 FABRICATION:

A. Fabricate cloth shades to fit measurements of finished openings obtained at site.

B. Cloth Shades: Rolling type, constructed of shade cloth mounted on rollers. Provide shade cloth with plain sides, and with hem at bottom to accommodate weight bar.

1. Provide separate shades for each individual sash within opening.

Provide shade length that exceeds height of window by 305 mm

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(12 inches) measured from head to sill, in addition to material required to make-up hem:

a. Provide rollers with spindles, nylon bearings, tempered steel springs, and other related accessories required for positive action.

b. Provide rollers of diameter and wall thicknesses required to accommodate operating mechanisms, weights, and widths of shadebands indicated without deflection.

c. Provide rollers with permanently lubricated drive-end assemblies and idle-end assemblies designed to facilitate removal of shadebands for service.

d. Secure shade cloth to rollers to prevent wrinkling or folding, and on line parallel to axis of rollers so that shade hangs plumb.

e. Secure shade cloth with zinc-coated steel or stainless steel machine screws spaced not over 228 mm (9 inches) on centers.

f. Do not attach shade cloth to rollers with tacks.

g. Provide hem bar of extruded aluminum for entire width of shade band. Heat seal hem bar on all sides to prevent removal.

h. Provide eyelets with clear openings large enough to accommodate cords, without cutting into cloth when set.

i. Provide cords of sufficient length to permit shades to be drawn to bottom of opening with ends looped and held with cord rings.

Attach cords to hems through metal eyelets in center of slats in bottom hems.

PART 3 - EXECUTION

3.1 INSTALLATION:

A. Measure openings before fabrication. Do not scale construction documents.

B. Cloth Shades: Mount window shades on end of face brackets, set on metal gussets, or casing of windows as required. Provide extension face brackets where necessary at mullions.

1. Locate rollers in level position as high as practicable at heads of windows.

2. Install shades to prevent infiltration of light over rollers.

3. Where extension brackets are necessary for alignment of shades, provide metal lugs, and rigidly anchor lugs and brackets.

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4. Place brackets and rollers so that shades do not interfere with window and screen hardware.

5. Shade installation methods not specifically described, are subject to approval of Contracting Officer Representative (COR).

3.2 ADJUSTING:

A. Adjust and shades to operate smoothly, free from binding or malfunction throughout entire operational range.

3.3 CLEANING AND PROTECTION:

A. Clean shade surfaces after installation, according to manufacturer’s written instructions.

B. Provide final protection and maintain conditions that ensure that shades are without damage or deterioration at time of Substantial

Completion.

C. Replace damaged shades that cannot be repaired, in a manner approved by

COR before time of Substantial Completion.

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