SECTION 12494

OPAQUE WINDOW SHADE SYSTEM

***** This section can be used for specifying both manually operated and motorized Draper LightBloc FlexShade, an opaque fabric window shade system for complete blackout of window opening.

There are options for type of operation, size, fabric, controls, method of installation, hardware, and hardware finish. Refer to Draper product literature for availability of options and selection guidelines. Various options are listed in this specification section and the specifier will need to select the appropriate options, verify their availability, and delete non-applicable ones.

When manually operated Draper standard window shades are to be specified, use SECTION 12492 - MANUALLY OPERATED WINDOW SHADES. For standard motorized window shades use SECTION 12493 - MOTORIZED WINDOW SHADES. If fixed window panels with open weave glare control fabric are to be specified, use SECTION 12495 - SUN CONTROL PANELS. If either manual or motorized skylight shades are to be specified use SECTION 12496 - SKYLIGHT SHADES. Draper's dual roller window shades which can accommodate two types of fabric shade or shade and projection screen combination are specified in SECTION 12497 - DUAL ROLLER WINDOW SHADES. Lastly, manual or motorized vertical folding window shades can be specified using SECTION 12498 - VERTICAL FOLDING WINDOW SHADES. *****

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes: [Electrically] [Manually] operated, roll-up fabric opaque window shade system for complete blackout of window opening including side and bottom channels, headbox, opacity plates, [motorized] [manual] operator, [controls], and mounting hardware.

B. Related sections:

***** List other specification sections dealing with work directly related to this section such as the following. *****

1. Section 07900 - Joint Sealers: Sealants for perimeter of shade system.

2. Section 09260 - Gypsum Board Assemblies: Suspended gypsum board ceilings to contain recessed window shade pockets.

3. Section 09510 - Acoustical Ceilings: Suspended acoustical panel ceilings to contain recessed window shade pockets.

4. Section 11132 - Motorized Projection Screens: Motorized projection screens to be interfaced with shade controls.

5. Section 11136 - Motorized Projector Lifts: Motorized projector lifts and mounts to be interfaced with shade controls.

6. Section 16[___] - [__________]: Electrical supply, conduit, and wiring for motorized window shades.

1.2 SUBMITTALS

A. Submit in accordance with Section 01330 - Submittal Procedures:

1. List of proposed products and product data.

2. Shop drawings showing window openings, dimensions, attachment method, and electrical and control wiring.

3. Samples [for selection by Architect]:

a. Fabrics.

b. Metal finishes.

4. Window Shade Schedule listing rooms, field verified window dimensions, quantities, type of shade, [controls,] fabric, and color.

5. Manufacturer's installation and maintenance instructions.

1.3 DELIVERY, STORAGE, AND HANDLING

***** In order to reduce potential damage to shades, it is desirable to deliver and install shades after construction is essentially complete. *****

A. Do not deliver window shades until building is enclosed and construction within spaces where shades will be installed is substantially complete.

B. Deliver products in manufacturer's original, unopened, undamaged containers with labels intact.

C. Label containers and shades according to Window Shade Schedule.

1.4 WARRANTY

***** 5 years warranty is provided for clutch operating mechanism of Draper Chain and Clutch Operated LightBloc FlexShade System. All other shade models and parts are covered by a one year warranty which is standard with typical general conditions of the contract and does not need to be re-stated in this section. Include the following paragraph if Chain and Clutch Operated LightBloc Flexshade Systems are specified. *****

A. Provide under provisions of Section [01700 - Contract Closeout] [__________]: 5 years warranty against defects in materials and workmanship for clutch operating mechanism.

PARTS 2 - PRODUCTS

2.1 ACCEPTABLE MANUFACTURERS

A. Draper, Inc., 411 South Pearl Street, Spiceland, Indiana 47385-0425; 765-987-7999.

B. Manufacturers of equivalent products submitted and approved in accordance with Section 01630 - Product Substitution Procedures.

2.2 OPAQUE WINDOW SHADE SYSTEM

A. Type: [Electrically] [Bead chain and clutch] [Crank] [Spring roller] operated, vertical roll-up, fabric, opaque window shade system; LightBloc FlexShade System as manufactured by Draper, Inc.

***** There are four methods for mounting Draper LightBloc Flexshade System: mounted inside window opening and extending from head to sill and jamb to jamb, wall mounted and overlapping window opening, ceiling mounted and overlapping window opening, and recessed mounted in ceiling pocket. *****

B. Method of installation: Mounted [inside of window opening and extending from head to sill and jamb to jamb] [to wall and overlapping window opening] [to ceiling and overlapping window opening] [in recessed ceiling pocket].

***** Draper LightBloc Flexshade System can be manually or electrically operated. Manual shades are provided in three operating styles: chain and clutch, crank, and spring roller. Refer to Draper product literature for selection guidelines. *****

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***** For Chain and Clutch Operated LightBloc FlexShade System include the following paragraph and subparagraphs. *****

C. Operation: Bead chain and clutch operating mechanism allowing shade to stop when chain is released. Designed never to need adjustment or lubrication. Provide preset limit stops to prevent shade from being raised or lowered too far.

1. Clutch mechanism: Fabricated from high carbon steel and molded fiberglass reinforced polyester.

***** Either metal or nylon bead chain is available. *****

2. Control loop: [Stainless steel] [[Ivory] [Grey] [Black] nylon] bead chain hanging at side of window.

***** Standard location for chain is right hand side when facing window from interior and will be provided unless left hand location is specified. *****

3. Chain location: [[Right] [Left] hand side when facing window from interior.] [As indicated on Drawings.]

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***** For Crank Operated LightBloc FlexShade System include the following paragraphs. *****

C. Operation: Crank and gear box operated shades.

1. Gear box: Die cast aluminum and steel construction with 3 to 1 ratio. Injection molded nylon and steel crank insert installed in roller to engage gear box.

***** Crank handle can be detachable or permanently mounted. Handles can be provided in lengths up to 10 feet (3048 mm). Unless handle length is specified, Draper will provide a standard length based on shade and sill heights. *****

2. Crank handle: [_____] [feet] [mm] long [detachable] [permanently mounted] anodized aluminum and chrome plated steel handle.

***** Standard crank location is right hand side when facing window from interior and will be provided unless left hand location is specified. *****

3. Crank location: [[Right] [Left] hand side when facing window from interior.] [As indicated on Drawings.]

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***** For Spring Roller Operated LightBloc FlexShade include the following paragraph. *****

C. Operation: Metal roller containing heavy duty spring mechanism. Spring sized by manufacturer to accommodate shade size. Provide pull and latching chain attached to bottom shade slat and catch attached to sill channel. Chain inserted in catch to keep roller under constant tension.

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***** For Motorized LightBloc FlexShade System include the following paragraphs. *****

C. Electric operator:

***** Standard position for motor is on right side of roller. *****

1. Mounted inside roller on [right] [left] side when facing roller from interior.

2. Motor: 110 VAC, single phase, 60 HZ, instantly reversible, lifetime lubricated, and equipped with internal thermal overload protector, electric brake, and pre-set accessible limit switches.

***** Draper Motorized LightBloc FlexShade System can be provided with crank override to provide manual operation in event of power outage or motor failure. Include the following paragraph and subparagraphs if crank override option is required. *****

3. Crank operation override: Crank and gear box operate shades in event of power outage or motor failure.

a. Gear box: Die cast aluminum and steel construction with 3 to 1 ratio. Injection molded nylon and steel crank insert installed in roller to engage gear box.

***** Crank handle is detachable and can be provided in lengths up to 10 feet (3048 mm). Unless handle length is specified, Draper will provide a standard length based on shade and sill heights. *****

b. Crank handle: [_____] [feet] [mm] long detachable anodized aluminum and chrome plated steel handle.

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***** Maximum shade size for LightBloc FlexShade System is 96 inches (2438 mm) wide by 120 inches (3048 mm) high for Flocke fabrics and 79-3/8 by 120 inches (2016 mm by 3048 mm) for SunBloc fabrics. *****

D. Shade size: [[_____] by [_____] [inches] [mm].] [As indicated on Drawings.]

E. Roller: Fabricated from extruded aluminum or steel. Diameter, wall thickness, and material selected by manufacturer to accommodate shade size. Provide with roller idler assembly of molded nylon and zinc-plated steel pin. Sliding pin to allow easy installation and removal of roller.

***** Draper LightBloc FlexShade System is provided with aluminum headbox in two configurations: one for exposed surface installation and the other for recessed pocket installation. *****

F. Headbox: Fabrication from [0.06 inch] [1.59 mm] thick extruded aluminum sections with endcaps and opacity plates.

1. Size: [4-1/8 inches high by 3-1/2 inches wide] [105 mm high by 89 mm wide] by length required for shade being provided.

***** For exposed headbox include the following paragraph. *****

2. L-shaped removable front face and bottom cover and L-shaped back and top.

***** For recessed headbox include the following paragraph. *****

2. U-shaped front, back, and top and removable bottom.

G. Endcaps: Stamped steel with universal design suitable for mounting to ceiling, wall, and jamb. Provide size compatible with roller size and fasteners appropriate for installation conditions.

H. Side Channels: Double chamber fabricated from [0.06 inch] [1.59 mm] thick extruded aluminum sections. One chamber accepts fabric and contains groove for fabric retainer. Other chamber accepts fabric guide and channel locator.

I. Sill channel: [0.06 inch] [1.59 mm] thick extruded aluminum channel to receive slat bar and prevent light leakage.

J. Slat bar: Extruded aluminum bar attached to bottom of shade. Bar does not retract into headbox.

K. Channel locator: Injected molded nylon insert to align side and sill channels with headbox.

L. Fabric guide: Plated steel transition for fabric rolling into side channel.

***** Except for shades with Flocke fabric, all LightBloc FlexShades use fabric retainers, a patented system which enables shade to withstand reasonable air pressure differentials. However, extreme air currents or physical interference cannot be resisted by fabric retention system and may cause physical damage. *****

M. Fabric retainer: System designed to prevent disengagement of fabric from side channels due to normal variations of air pressure caused by doors opening, HVAC systems, and temperature differences between room and window well. System consists of horizontal steel stays installed in shade, covered with fabric, and spaced at regular intervals. Grommets installed through stays are held within groove of side channel chamber.

N. Opacity plates: Steel plates with rubber O rings installed on endcaps to eliminate light leakage.

O. Exposed aluminum finish: [Clear anodized.] [[Black] [White] [Ivory] [Charcoal bronze] baked enamel paint.]

***** If motorized LightBloc FlexShades are used, include 2.3 - CONTROLS. If manual crank or chain operated LightBloc FlexShades are used, delete. *****

2.3 CONTROLS

***** Various types of controls are available for motorized LightBloc FlexShades. Shades can be controlled individually, as a group, or by a combination of group and individual controls. Shades can also be interfaced to be controlled by either Draper motorized projection screen or projector lift. Refer to product literature or contact Draper for assistance in selecting and specifying controls. Select appropriate paragraphs for selected types of controls and delete other options. *****

***** Individual 3 position toggle switch control is standard for all Draper electrically operated window shades. *****

A. Individual shade control: 3 position toggle switch with cover plate, accepting 110 V current. Provide one switch for each shade.

***** In order to limit access to shade controls, each shade can be provided with a 3 position key operated control switch. Switch can only be operated with key. *****

B. Key operated control switch: For each shade provide a key operated control switch with three key positions for up, down, and stop functions for 110 V power. Provide with [2] [_____] keys.

***** Individual motorized shades can be controlled by sun sensor. *****

C. Sun sensor control: For each shade provide automatic, programmable sun sensor control responding to daylight intensity. Include time delay override allowing for passing clouds.

***** Individual shades can be controlled by low voltage control which can be provided with 3 position switches or without switches as interface with a master control system, a radio frequency remote control receiver, or an infrared remote control receiver. *****

D. Low voltage control: Provide each shade with low voltage control. Control station [to have 3 button switches for up, down and stop functions] [to be without switches for interface with [master control system] [radio frequency remote control receiver] [infrared remote control receiver]. Wiring from switches or receivers to low voltage control unit to be 24 V.

***** Portable, hand held remote control transmitters can be provided for operation of motorized Draper shades. These units need to be provided with and connected to a low voltage control unit. *****

E. Radio frequency remote control: Provide each motorized shade with hand held 4 button transmitter and receiver unit to connect to low voltage control unit.

***** Portable, hand held remote control infrared transmitters can be provided for operation of motorized Draper shades. These units need to be provided with and connected to a low voltage control unit. *****

F. Infrared remote control: Provide each motorized shade with hand held 3 button control for up, down, and stop functions and receiver unit to connect to low voltage control unit.

***** Motorized shades can be individually controlled by 24 hour digital programmable timer. *****

G. Digital programmable timer: Provide each motorized shade 24 hour digital programmable timer.

***** Motorized shades can be controlled in groups. Either master switch, key operated switch, sun sensor, radio frequency, infrared, or timer control units can be provided to operate multiple linked groups. *****

H. Group control system: Control [2] [_____] shades with 24 V current using [3 position toggle switch] [3 position key operated switch] [programmable sun sensor responding to daylight intensity and including time delay override for passing clouds] [radio frequency remote control transmitter and receiver unit] [infrared remote control transmitter and receiver unit] [24 hour digital programmable timer]. [Link 2 or more groups of shades with master switch according to groupings shown on Drawings.]

***** Motorized Draper shades can be controlled by both individual shade control switches and in groups up to 3 shades. Either master switch, key operated switch, sun sensor, radio frequency, infrared, or timer control units can be provided to operate multiple linked groups. *****

I. Individual and group control system: Control [2] [3] shades both individually and in a group with low voltage (24V) system. Use with 3 position toggle switch for each individual shade and [3 position toggle switch] [3 position key operated switch] [programmable sun sensor responding to daylight intensity and including time delay override for passing clouds] [radio frequency remote control transmitter and receiver unit] [infrared remote control transmitter and receiver unit] [24 hour digital programmable timer] for group control. [Link 2 or more groups of shades with master switch according to groupings shown on Drawings.]

***** Interface control system allows shades to be linked with other building control systems such as HVAC and lighting. Shades can also be integrated and controlled by Draper motorized projection screen, projector lift, or projector switch. When screen, lift, projector, or tuner is powered, shades descend automatically. Draper's Smart Motor Systems can be used for integrated control with the ability to re-configure without rewiring. Contact Draper for assistance in designing, specifying, and preparing wiring diagrams for interfaced controls. *****

J. Interface control system: Interface to allow motorized shades to be controlled by [HVAC system] [lighting system] [video projector] [motorized projection screen] [motorized projector lift] [_____] through [Smart Motor System] [_____] as manufactured by Draper, Inc. Equip interface with override switch permitting independent operation of screen.

**** Standard cover plates for Draper controls are ivory colored plastic. Refer to Draper product literature for other options. ****

K. Accessories: Provide control systems with conduit, wiring, boxes, cover plates, and other accessories required for complete installation. Provide controls with [[ivory] [white] plastic] [_____] cover plates.

2.4 FABRIC

***** Draper provides 3 opaque fabrics for motorized window shades.

SunBloc Series SB9000

SunBloc Series SB9100

Flocke

Nocturne II

Refer to Draper product literature for available shade fabrics and selection guidelines. *****

A. Material: [Close woven fiberglass base textile with sun-resistant vinyl film bonded to each side, opaque with minimum tensile strength of 190 pounds for warp and 180 pounds for fill; SunBloc Series [SB9000] [SB9100]] [Opaque, fiberglass textile with acrylic backing; Flocke] [Coated polyester; Nocturne II] as provided by Draper, Inc.

***** Refer to Draper product literature for attributes of selected fabric. *****

B. Attributes:

1. Weight: [_____] [ounces per SY].

2. Thickness: [_____] [inch] [mm].

3. Roll width: [_____] [inches] [mm].

4. Solar transmittance: 0.

5. [Fire retardant,] [washable,] [stain resistant,] [anti-static treated,] [__________].

***** Refer to Draper fabric samples for available fabric colors and patterns. *****

C. Color and pattern: [[__________], No. [_____].] [As indicated in Color Schedule on Drawings.] [As selected by Architect from manufacturer's standard range.]

PART 3 - EXECUTION

3.1 PREPARATION

A. Field verify window dimensions prior to fabrication.

B. Coordinate requirements for blocking [, construction of shade pockets,] and structural supports to ensure adequate means for installation of window shades.

***** For window shades with headboxes recessed in ceilings, include the following paragraph. *****

C. Coordinate installation of recessed shade pockets with construction of suspended [acoustical panel] [gypsum board] ceilings specified in Section [_____] - [__________].

[D. Coordinate requirements for power supply conduit, and wiring required for window shade motors and controls.]

***** Include the following paragraph if controls for shades are to be interfaced with HVAC system, lighting system, motorized projection screens, motorized projector lift, or video projector switch. *****

E. Coordinate interface and installation of window shades with provision of [HVAC system] [lighting system] [motorized project screens] [motorized projector lift] [video projector].

[F. Prior to installation, verify type and location of power supply.]

3.2 INSTALLATION

A. Install window shades at locations indicated on Drawings and approved Window Shade Schedule.

B. Comply with shade manufacturer's written instructions.

C. Install headbox, side channels, and sill channel with sealant specified in Section 07900 - Joint Sealers to eliminate light leaks at perimeter of shade system.

D. Position shades level, plumb, and at proper height relative to adjacent construction. Secure with fasteners recommended by manufacturer.

3.3 TESTING AND DEMONSTRATION

A. Test window shades to verify that [crank] [chain and clutch] [motorized] operating mechanism, [controls,] [limit switches,] [interface to other building systems,] fabric retainer, and other operating components are functional. Correct deficiencies.

B. During daylight hours, lower shades and turn off interior lights. Verify that there are no light leaks at perimeter or within shade assembly. Correct deficiencies.

C. Demonstrate operation of shades to Owner's designated representatives.

3.4 PROTECTING

A. Clean shade assemblies and protect from damage from construction operations. If damage occurs, remove and replace damaged components or entire unit as required to provide units in their original, undamaged condition.

3.5 WINDOW SHADE SCHEDULE

***** For large projects with several sizes, types, and colors, a window shade schedule may be appropriate. Schedule may be located in this specification section or located on drawings. *****

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ROOM QUANTITY WIDTH HEIGHT SHADE TYPE FABRIC COLOR

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END OF SECTION