July 22, 1994

Contract #TW0592

**SPECIAL SPECIFICATION**

**SECTION 13007**

**[CLEAN ROOM CLEANING PROCEDURES]{.underline}**

[Page]{.underline}

**[PART 1 - GENERAL]{.underline}**

1.01 Contents. 2

1.02 Work Included. 2

1.03 Responsibilities. 3

1.04 Related Sections. 3

1.05 Quality Assurance 4

1.06 Submittals, Samples, and Method Statements. 4

**[PART 2 - PRODUCTS]{.underline}**

2.01 Materials And Equipment. 6

2.02 Cleaning Solutions. 7

**[PART 3 - EXECUTION]{.underline}**

3.01 Cleaning Procedures. 8

**SPECIAL SPECIFICATION**

**SECTION 13007**

**[CLEAN ROOM CLEANING PROCEDURES]{.underline}**

**[PART 1 - GENERAL]{.underline}**

**1.01 [CONTENTS]{.underline}**

> A. Work Included.
>
> B. Responsibilities
>
> C. Related Work.
>
> D. Quality Assurance.
>
> E. Submittals, Samples, and Method Statements.
>
> F. Cleaning Procedures.
>
> 1\. Stage 1.
>
> 2\. Stage 2.
>
> 3\. Stage 3.
>
> 4\. Stage 4.
>
> 5\. Stage 5.

**1.02 [WORK INCLUDED]{.underline}**

> A. This Section specifies the cleaning requirements to be performed
> during the critical stages of construction to control contamination
> within the Clean Room.
>
> B. The work required by this Section shall be performed by firms
> specializing in this occupation.
>
> C. The work of this Section will commence with the beginning of
> Stage 3 of the Clean Room construction.

**1.03 [RESPONSIBILITIES]{.underline}**

> A. The cleaning contractor shall be responsible for:
>
> 1\. Continuous cleanup of construction activities to meet cleanliness
> levels for Construction Stages 3 and 4.
>
> 2\. Special cleanup procedures at the end of Construction Stages 3 and
> 4.
>
> 3\. Full-time Cleaning Supervisor.
>
> 4\. Portable HEPA filtered vacuum cleaners and shoe cleaners to be
> transferred to the SDR, and tacky matts to be replaced during
> construction activities.
>
> 5\. Cleaning schedule showing tasks and locations.
>
> B. The Contractor shall be responsible for a schedule that will
> enhance the work of the cleanup crew.
>
> C. Other contractors will be required to perform the following:
>
> 1\. Wipe down all incoming materials within the staging areas that are
> to be installed in the Clean Room.
>
> 2\. Spot cleanup of respective construction areas by defined cleaning
> requirements.
>
> 3\. Reclean all spot areas deemed contaminated by the Cleaning
> Supervisor.

1.04 [RELATED SECTIONS]{.underline}

> A. This Section shall be used in conjunction with the following
> specifications and related Contract Documents to establish the total
> requirements for the cleaning within the Clean Room.
>
> 1\. All Division 1 sections included in the project specifications.
>
> 2\. Section 13001, Clean Room Systems.
>
> 3\. Section 15055, Clean Room Testing and Certification.
>
> 4\. Section 15175, Clean Room Ceiling System.
>
> 5\. Section 15833, Clean Room Recirculation Air-Handling Units.
>
> B. In the event of conflicting requirements for referenced cleaning
> procedures between this Section and any other Section, the Provisions
> of this Section shall govern.

**1.05 [QUALITY ASSURANCE]{.underline}**

> A. The Contractor\'s personnel who perform the work required by this
> Section shall have a minimum of five years experience in clean room,
> laboratory, surgical suite, and hospital cleaning, with at least two
> clean room projects similar in size and scope to the referenced
> project.
>
> B. The Cleaning Supervisor shall continuously monitor the procedures
> and work performed by all contractors to verify compliance with these
> Specifications. Deviations shall be corrected to the satisfaction of
> the Cleaning Supervisor prior to further work in the affected area, or
> brought to the attention of the Clean Zone Director.
>
> C. All cleaning personnel shall attend Stages 3 and 4 Protocol, as
> well as Hazardous Material Safety training classes.
>
> D. All cleaning personnel shall be properly gowned for entry into the
> Clean Room in accordance with the posted cleanliness stage.

**1.06 [SUBMITTALS, SAMPLES, AND METHOD STATEMENTS]{.underline}**

> A. Submittals:
>
> 1\. Provide submittal information on cleaning equipment and materials
> to be used for all Clean Room cleanup tasks.
>
> 2\. Provide layout of the Clean Room showing locations of shoe brush
> cleaners, tacky matts, and other devices required to maintain protocol
> for each Cleanliness Stage.
>
> 3\. Prepare list of cleaning crew workers and statement of
> qualifications. Update list of workers at beginning of each week.
>
> B. Samples: Provide samples of all cleaning solutions, materials,
> equipment, and tools proposed for the cleaning operations.
>
> C. Method Statements:
>
> 1\. Prepare method statements for cleaning procedures to be used for
> each Cleanliness Stage, and for each Clean Room classification.
> Indicate size of cleaning crew, steps each crew will perform, sequence
> of work steps, cleaning procedures to be followed, preparation of
> solutions, and the like.
>
> 2\. Describe frequency with which cleaning solutions are changed,
> wipes and sponges are replaced, and tacky matts are removed.
>
> 3\. Describe facility utilities and services that must be operational
> in order to perform cleaning operations.

**[PART 2 - PRODUCTS]{.underline}**

**2.01 [MATERIALS AND EQUIPMENT]{.underline}**

> A. Clean Room Filtered Vacuum Cleaners: Individual canister dry-vacuum
> units affixed with four-stage filtration including 0.3 micron HEPA
> filter rated at 99.97 percent efficiency on the air discharge, wheeled
> cart, 10-foot hose, and selection of wands. Change microfilter paper
> at least once a month. Vacuums shall be Hako, Nil Fisk, or Minuteman
> vacuum cleaners. Provide three new vacuum cleaners (with 2-gallon tank
> capacity, and one with 3-gallon tank capacity) which will become the
> property of the SDR at completion of the project.
>
> B. Motorized Shoe Cleaners: Packaged portable shoe cleaner with
> integral vacuum cleaner, 0.3 micron HEPA filter cartridge rated at
> 99.97 percent efficiency on the air discharge, and five scrub brushes.
> Change microstatic filter cartridge as described in Part 3 of this
> Section. Cleaners shall be similar to Model D-2000-VA by Clean Room
> Products, or Model 100-FJ by Liberty. Provide three new shoe cleaners
> which will become the property of the SDR at completion of the
> project.
>
> C. Tacky Rags: Lint-free, particulate-free, sticky surface rags,
> Tex-Wipes by the Texwipe Company.
>
> D. Lint-Free Towels: Lint-free, particulate-free wipes rated for clean
> room use, Tex Clean 100 by the Texwipe Company.
>
> E. Wipes: Nylon tricot 1068 or similar material suitable for clean
> room duty, Laminaire or Miracle Wipe.
>
> F. Tacky Matts: Removable sticky matts of 2-mil polyethylene,
> 120-pack, similar to Clean Line Sticky Matts by Control Environment
> Corp., or Type D 1100 by Clean Room Products.
>
> G. Masslinn wipe towels, sweep tool, and mop handles by National
> Sanitary Supply.
>
> H. Mops and Sponges: Cellulose material by A.J. Reynolds Co.
>
> I. Hydrowash Equipment: A 200 psi water jet nozzle hose and pump
> system providing a constant flow of 60 gpm using potable water.
>
> J. Water: Deionized water.
>
> K. Waste Water Pumps: Pumps and hose as required to evacuate waste
> water during the hydrowash procedures.
>
> L. Black and White Felt: 24 inches square, 10 inches square when
> folded, black and white, static-free natural fiber felt folded with
> cut edges inside.
>
> M. Buckets: Stainless steel in Clean Room. No substitutes will be
> accepted. One will be labeled for floor mopping, the other for wiping
> equipment. All buckets shall be thoroughly cleaned and dried after
> each use.
>
> N. Ladders: Aluminum or fiberglass.

**2.02 [CLEANING SOLUTIONS]{.underline}**

> A. Cleaning Solution: A mixture of deionized water, filtered with
> 10-minute circulation through DI mixed bed and 0.2 micron final
> filters, then mixed with a 10 percent dilution of staticide surfactant
> cleaning solution.
>
> B. Solvents: Filtered to 0.2 microns. An aziotropic mixture formulated
> with a low residue level for use in clean rooms. The solvent shall be
> suitable for clean hard surfaces including plastic, PVC, and laminated
> surfaces, similar to Lab-Clean EKC by Tech Distributors, Inc. Only
> reagent and transistor grade solvents shall be used. When possible,
> denatured alcohol shall be used because of its lower toxicity level.
>
> C. Bactericidal Solution: Filtered to 0.2 microns. A solution
> formulated for use in clean rooms. The product shall be noncorrosive,
> low toxicity using a bactericidal liquid in deionized water.
>
> D. Low-Residue Antistatic Detergent: A low-foam antistatic neutral
> detergent that contains less than 1 ppm sodium and potassium.
>
> E. Soap Wash: Nonionic, nonphosphate liquid detergent; Ivory Liquid by
> Proctor and Gamble.
>
> F. Wax or Soap Granules: Not permitted in the Clean Room.

**[PART 3 - EXECUTION]{.underline}**

**3.01 [CLEANING PROCEDURES]{.underline}**

> A. Stage 1:
>
> 1\. Continuous Cleaning Procedures During Stage 1: Performed by
> contractors in accordance with Section 13001, Clean Room Systems.
>
> 2\. Special Clean Procedures at Completion of Stage 1: Performed by
> contractors in accordance with Section 13001, Clean Room Systems.
>
> B. Stage 2:
>
> 1\. Continuous Cleaning Procedures During Stage 2: Performed by
> contractors in accordance with Section 13001, Clean Room Systems.
>
> 2\. Special Cleaning Procedures at Completion of Stage 2: Performed by
> contractors in accordance with Section 13001, Clean Room Systems.
>
> C. Stage 3:
>
> 1\. Continuous Cleaning Procedures During Stage 3:
>
> a\. Remove trash and debris, sweep, and vacuum all surfaces
> continuously.
>
> b\. Remove trash by removing the polyethylene liners with the trash
> contained. Do not transfer trash from one container to another. Insert
> new polyethylene liners inside trash containers and secure by turning
> the top of the bag over the lip of the container.
>
> c\. Wipe down ceiling components, wall panels and studs, ducting,
> plenums, VLF ceiling modules, and equipment being introduced into the
> Clean Room with wipes moistened with cleaning solution.
>
> d\. Clean all construction and cleaning tools and equipment used
> inside the Clean Room with wipes moistened with cleaning solution
> prior to entry into the Clean Room.
>
> e\. Vacuum all floor surfaces in the Clean Room at the end of every
> workday with clean room filtered vacuum cleaners, or with the built-in
> house vacuum system.
>
> f\. Replace tacky matts daily, and shoe cleaner filter cartridges
> every two weeks or as necessary.
>
> g\. Wipe down all concealed wall studs, floor stanchions, and
> concealed cavities immediately before the finish wall and floor panels
> are installed so that no foreign material remains sealed inside hidden
> recesses.
>
> h\. Wipe down all vertical wall surfaces installed inside the Clean
> Room at the end of each week with wipes moistened with clean room
> cleaning solution.
>
> i\. Vacuum and wet mop the Personnel Gowning Area and Equipment
> Staging Area during each break and at the end of each construction
> shift so that the areas are always clean when the work crews return to
> the Clean Room.
>
> 2\. Special Cleaning Procedures at Completion of Stage 3:
>
> a\. Vacuum all surfaces in the Clean Room with clean room filtered
> vacuum cleaners, or with the built-in house vacuum system, using
> special wands as required to protect finishes of all materials and
> equipment.
>
> b\. Remove all protective wraps and coatings from wall panels, floor,
> ceiling components, ducts, and plenums to expose final finish. Take
> care to protect all finished surfaces during each cleaning operation.
>
> c\. Prepare special cleaning solution using deionized water and
> staticide surfactant cleaning solution.
>
> d\. Wipe down all interior and exterior surfaces of air ducts and
> plenums, access walkways, structure, utility piping, electric
> raceways, support stanchions and hangers, pass-throughs, ceiling grid
> runners, interior and exterior surfaces of the lights, and any special
> appurtenances anywhere within the Clean Room. Use damp wipes moistened
> with clean room cleaning solution.
>
> e\. Clean all finished wall surfaces and exposed structure using an
> organized wipedown procedure with block sponges moistened in clean
> room cleaning solution. Wipe each section of wall with three passes in
> one direction, rinse the sponge, and wipe again with three passes in a
> direction 90 degrees opposed to the first pass.
>
> f\. Using a foam strip sponge and clean room cleaning solution, wet
> mop the floor in overlapping sections. Change the water often. Perform
> mopping from the cleanest end toward the dirtiest end of each area.
>
> g\. Vacuum the floor after all other surface cleaning activities are
> completed.
>
> h\. Vacuum with clean room filtered vacuum cleaner, then wipe down the
> inside surfaces of all clean room makeup and recirculation air
> handlers with wipes moistened with clean room cleaning solution.
>
> i\. Discard sponges and cleaning solution.
>
> D. Stage 4:
>
> 1\. Continuous Cleaning Procedures During Stage 4:
>
> a\. Monitor cleanup of process equipment at the staging area to ensure
> the outer clean wrap is removed and the equipment cleaned by the SDR.
>
> b\. Protect all finished surfaces during each cleaning operation.
>
> c\. Vacuum all floor surfaces in the Clean Room at the end of every
> workday with clean room filtered vacuum cleaners, or with the built-in
> house vacuum system.
>
> d\. Replace tacky matts weekly, and shoe cleaner filter cartridges
> every month or as required.
>
> e\. Clean all cleaning tools and equipment used inside the Clean Room
> with wipes moistened with cleaning solution prior to entry into the
> Clean Room.
>
> f\. Clean all external and internal surfaces of ceiling plenum module,
> filter grid, walls, light fixtures, etc. with wipes moistened with
> clean room cleaning solution. Wipe each section in three passes in one
> direction, then three passes in a direction 90 degrees opposed to the
> first pass.
>
> g\. At this point, request operation of the air handling system and
> permit the recirculation fan systems to operate continuously for 24
> hours in order to flush the system with air.
>
> h\. Following the 24-hour fan purge period, all internal surfaces of
> the ceiling assembly shall be cleaned again with wipes moistened with
> clean room cleaning solution. Wipe down inside and outside of filter
> grid, and other ceiling appurtenances.
>
> i\. At this point, the continuous foam gasket or ceiling liquid gel
> filter sealant can be prepared and placed in the ceiling filter grid
> trough by the manufacturer. Full cure time shall be reserved before
> proceeding with cleaning procedures.
>
> j\. Clean all finished wall surfaces and exposed structure using an
> organized wipedown procedure solution. Wipe each section of wall with
> three passes in one direction, rinse the sponge, and wipe again with
> three passes in a direction 90 degrees opposed to the first pass.
>
> k\. Using a foam strip sponge and clean room cleaning solution, wet
> mop the floor in overlapping sections that do not exceed 25 square
> feet between rinses of the mop. Change the water often. Perform
> mopping from the cleanest end toward the dirtiest end of each area.
>
> l\. Perform random black and white felt rubdown tests on all surfaces.
> Use only one side of cloth.
>
> m\. Vacuum the floor after all other surface cleaning activities are
> completed. Replace the felt pads on the vacuum head whenever necessary
> to prevent scratching and scraping of the floor surface.
>
> n\. Never open the vacuum cleaner in the Clean Room to changer filter,
> bags, or to perform other maintenance.
>
> o\. Monitor the contractor responsible for the ceiling installation to
> ensure outer wrap is removed from ULPA filter cartons and the inner
> packing box is wiped down prior to entry into clean room.
>
> p\. Perform black and white felt rubdown test on each ULPA filter
> module as it is unpacked by the ceiling contractor and installed in
> the ceiling grid. Notify Clean Room Director when filter modules do
> not comply with Clean Room standards specified.
>
> q\. At this point, ULPA filter modules can be installed in the ceiling
> grid.
>
> 2\. Special Cleaning Procedures at Completion of Stage 4:
>
> a\. At this point, request operation of the recirculation fans with
> ULPA ceiling filters in place in order to flush the system with clean
> air. Allow room conditions to stabilize for a minimum of 24 hours
> prior to entering the Clean Room.
>
> b\. Following the 24-hour fan purge period, clean all internal
> surfaces of the Clean Room again using wipes moistened with clean room
> cleaning solution. This includes the rated areas of clean room service
> aisles, as well as all spaces used for air migration such as
> underfloor plenum, subfab, air shafts, interstitial, and fan deck.
>
> c\. Protect all finished surfaces during each cleaning operation.
>
> d\. Clean the outside of all light fixtures, the edges of the filter
> grid, and other ceiling components. Take care not to touch any filter
> media.
>
> e\. Clean all finished wall surfaces and exposed structure using an
> organized wipedown procedure with block sponges moistened in clean
> room cleaning solution. Wipe each section of wall with three passes in
> one direction, rinse the sponge, and wipe again with three passes in a
> direction 90 degrees opposed to the first pass.
>
> f\. Using a foam strip sponge and clean room cleaning solution, wet
> mop the floor in overlapping sections that do not exceed 25 square
> feet between rinses of the mop. Change the water often. Perform
> mopping from the cleanest end toward the dirtiest end of each area.
>
> g\. Vacuum the floor after all other surface cleaning activities are
> completed.
>
> h\. Secure the area so that no traffic occurs in cleaned are for a
> 4-hour drying period.
>
> E. Stage 5:
>
> 1\. Continuous Cleaning Procedures During Stage 5: Cleaning will be
> performed by SDR.
>
> 2\. Special Cleaning Procedures at Completion of Stage 5: Cleaning
> will be performed by SDR.
>
> END OF SECTION