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1530-49
Terra Part # 1530-49
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87833
BioSafe® Dual-Sided Gowning Bench; 304 or 316 SS, 86" W x 16" D x 24" H, Free Standing, Square Tube
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Product Details
  • Available Certified ISO Grade Designs: ISO 6, ISO 7, ISO 8
  • Maximize your cleanroom's floor space with this dual-sided gowning bench, which features a built-in center console that accommodates a 12-gallon waste or garment receptacle
  • Made from 304 or 316 stainless steel, this product provides robust corrosion resistance, even when exposed to harsh chemicals
  • Designed for comfort and efficiency, making it easy to put on coveralls, booties, and other cleanroom attire
  • The integrated center console is designed to neatly store a 12-gallon waste or garment receptacle
  • Smooth edges are easy to wipe down; continuous seams eliminate wiper snags and eliminate particle traps
  • Frame is made of 2" stainless steel square tubes
  • Material: 304 or 316 Stainless Steel
  • Width: 86" (features two 36" benches, connected by a 14' center console)
  • Height: 24" at its tallest point
  • Seat height: 18"
  • Depth: 16"
  • Design: Free Standing

Frame Type: Square Tube

Material: 304 or 316 SS

Design: Free Standing

Height: 24"

Work Surface Design: Dual Sided

Width: 86"

Depth: 16"

Available Certified ISO Grade Designs: ISO 6, ISO 7, ISO 8

Certified ISO Grade Design: ISO 6

Unit of Measure: EA

Dimensions, Product: 86" W x 16" D x 24" H

Gowning Benches

  • Sliding Glide with PTFE bottom and 316L stainless steel stem Terra's BioSafe® Sliding Glides
Sliding Glide with PTFE bottom and 316L stainless steel stem

Features and Benefits

Learn More: Gowning Protocols

Cleanroom Recommended Gowning Protocol Dirty Link in the Ultra-Clean Chain?

Manufacturers invest hundreds—even thousands—of dollars per square foot of cleanroom space to meet ISO-proscribed particle counts. Shouldn't the same standards be required of the people who enter and potentially contaminate this ultra-clean environment?

Proper cleanroom garments, including hoods, face masks, booties and gloves, help to contain particles that people emit. Yet improper gowning procedures can negate your investment in cleanliness and threaten yields of sensitive semiconductor devices. Once a garment is contaminated—violated by contact with a dirty surface—it spreads particles everywhere it goes.

Sure, you can train personnel on proper garmenting procedures, but how do you guarantee compliance? A violated garment doesn't set off alarms, and few facilities can afford quality control monitors to supervise every person through every washing and dressing stage. Yet if strict controls are not observed, dirty gloves and coveralls almost certainly will come in contact with clean operations.

A Gowning Area that Supports Clean Protocol

The simplest and most economical approach to this dilemma is a correctly designed gowning area, complete with well-designed change room products, that keeps personnel on a clean track.

This design starts with a room with pressure greater than that of the outside air, but lower than the cleanroom. This cascading pressure differential reduces the opportunity for contaminants to enter each controlled space. It includes a laminar flow of HEPA-filtered air, typically emitted through ceiling filter/fan units. This continuous wash of clean air immediately removes personnel-emitted contaminants, as well as particles present even in cleanroom-laundered garments (see Figure 1). Failure to maintain the desired particle standard in the change area will lead to contaminating clean garments.

Activity No. of particles (>= 0.3µm)
Person emits during garmenting process 3,000,000/min.
Cleanest skin (hands) 10,000,000/ft2
Employee street clothes 10,000,000 to 30,000,000/ft2
Floor and bench surfaces > 10,000,000/ft2
Garments supplied by cleanroom laundry 1,000,000/ ft2
Figure 1: Gowning Area Particle Generators Source: Encyclopedia of Clean Rooms, Bio-Cleanrooms and Aseptic Areas, Dr. Philip Austin, P.E., 2000

The Change Room illustration depicts an effective floor plan that places the proper gowning stations in appropriate locations. Although many variations on this layout are possible, they should support these key garmenting guidelines:

  • Don't Touch! Most cleanliness violations occur when a garment is touched by dirty hands, or when it touches a dirty floor. Hands and gloves should therefore be washed and dried frequently. Select washers and dryers with no-touch IR sensors to minimize the chance of violating gloves. Maintain ultraclean, unviolated surfaces where garments can be donned without contamination. Properly placed gowning benches or use of a special gowning platform helps maintain "not step" areas where a coverall may touch the ground during gowing.
  • Dress from the Head Down! That way, released particles won't fall on clean garments or booties.
  • Understand Garment Design! In most instances, gloves and booties are worn over coverall sleeves and cuffs, and hoods are tucked inside collars. Make sure that personnel are trained on how to seal these gaps between clothing, and include a mirror to allow final self-inspection. Hang a photo of a correctly garbed person next to the mirror as a "how-to" guide.
  • Minimize Motion! As Figure 2 indicates, people wearing cleanroom garments emit thousands of particles per minute even when sitting still! People in street clothes, walking from one change room location to another, release millions of particles. Change room plans should therefore minimize motion, especially during the final stages of dressing, by efficiently organizing the flow of personnel from one station to another.
  • Minimize Maintenance! Do you have dedicated, trained personnel to peel off adhesive shoe mats, wipe down gowning benches, keep "clean zones" regularly scrubbed, empty waste receptacles, restock garb dispensers, and perform other upkeep with the absolute regularity that your protocol requires? If not, look for ways to minimize reliance on humans—through automation, careful product positioning, choice of materials, and so forth. Initial cost may be higher, but reduced maintenance and greater compliance provide a rich return on your investment!
  • Train and Reinforce! A good change room design supports proper protocol, but it doesn't teach it. Make sure that personnel complete a formal training program, and stress protocol by hanging reminder posters at every gowning station that reinforce proper procedures.

Personnel Activity Snap Smock Standard Coverall 2-Piece Coverall Tyvek® Coverall Membrane Coverall
No Movement 100,000 10,000 4,000 1,000 10
Light Movement 500,000 50,000 20,000 5,000 50
Heavy Movement 1,000,000 100,000 40,000 10,000 100
Change Position 2,500,000 250,000 100,000 25,000 250
Slow Walk 5,000,000 500,000 200,000 50,000 500
Fast Walk 10,000,000 1,000,000 400,000 100,000 1,000
Figure 2: Austin Contamination Index Particles >= 0.3µm emitted per minute in garment indicated Source: Encyclopedia of Clean Rooms, Bio-Cleanrooms and Aseptic Areas, Dr. Philip Austin, PE, 2000 Note: Light/heavy movement refer to partial body movements (motioning with arm, tapping toes, etc.). Change of position refers to whole body motion (standing up, sitting down, etc.).

Dual-Level Gowning Bench with Square-Tube Frame Attachment Holes

Dual-Level Gowning Benches feature attachment points to link multiple units together into a longer bench.

Dual-Level Gowning Benches, Interconnected Unit

Attach two Dual-Level Gowning Benches together to create a wider bench space

Dual-Level Gowning Benches, Front-to-Front Connection

The Dual-Level Gowning Benches also have attachment points on the lower level for flexibility when planning the gowning procedure.

Preassembled Gowning Bench for Cleanroom Delivery

Fully-assembled cleanroom gowning benches arrive production-ready and avoid contamination introduction via assemblers, tools, or dirty assembly environments.

ISO Compliant Heavy-Duty Gowning Benches

Terra’s heavy duty all-welded gowning benches are the most proven cleanroom benches available on the market. They comply with strict ISO cleanliness requirements for compatibility with ISO 8 Class 100,000 to ISO 5 Class 100 cleanrooms. Designed for maximum cleanliness, stability, durability, and comfort. No assembly required on any of Terra’s single-piece gowning benches.

Bull-Nose Rounded Edge Comparison

Terra's one-piece bull-nose rounded edges increase operator comfort and reduce particulate shedding caused by sharp or abrasive edges. The smooth, continuous-seam welds also eliminate cracks and crevices that can harbor contaminants.

Non-Marking and Chemical Resistant Adjustable Nylon Feet

Cleanroom compatible non-marking feet prevent damage to cleanroom flooring. The chemical resistant Nylon plastic base provides a smooth non-abrasive surface to protect floors. Wide diameter pads provide solid leveling and support. The stainless steel threaded shaft allows for quick adjustment without tools to fix tilting or wobbling. Tightening nuts above each Nylon base help clamp and secure each foot to prevent "unwinding".

Durable, High-Quality Glides

Product glides and leveling feet represent the first line of defense against cleanroom contamination. As glides come into contact with cleaners and harsh chemicals, they are often the first component to deteriorate. Terra's glides are durable, chemical resistant, built-to-last, and ISO-rated.

BioSafe®: Terra's Ultimate Cleanliness Rating

Terra's BioSafe products are designed for the most critical applications: no gaps and crevices where microbes colonize, rounded corners for easy disinfection, won't produce contaminants during sterilization, and exceeds cGMP, IEST, ASTM and ISO 14644-1 requirements.

Continuous Product Improvement

At Terra, we strive to develop and produce the highest quality products for our customers to improve health, safety, performance, and yields. Our product quality is enabled by high-grade manufacturing equipment and processes, 50 years of engineering and application expertise, and our commitment to continuously improve.

Products Tailored to Your Cleanroom Environment

Provide Terra with your desired ISO Grade design. We will tailor the product to meet your criteria and certify it with a report appended to your invoice. Certificate includes all the necessary information to streamline audits and facility compliance.
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