02_51_00_Decontamination-rev20161103.pdf

U.S. General Services Adminstration Mid-Atlantic Region

Public Buildings Service

SECTION 02 51 00

DECONTAMINATION

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PART 1 – GENERAL

1.01. SECTION INCLUDES:

A. Summary B. Laws and Regulations C. Safety D. Submittals E. Decontamination Facilities F. Decontamination Equipment G. Vehicle/Equipment Decontamination H. Personnel Decontamination I. Decontamination Methods J. Management of Decontamination Residuals

1.02. SUMMARY:

A. This section covers the decontamination of personnel and equipment as they move from the Exclusion or Work Zones to Support Zones and off-site. Decontamination is required throughout work activities.

1.03. LAWS AND REGULATIONS:

A. All work under this Contract shall be accomplished in accordance with regulations of local, county, State and Federal agencies and utility authority standards as they apply.

1.04. SAFETY:

A. Methods of operation utilized in work related to these specifications shall be such as to provide maximum protection against injury or death to workmen or the public.

Requirements of the United States and New Jersey Occupational Safety and Health Acts as to safety regulations and procedures shall be adhered to for all work covered under these specifications.

1.05. SUBMITTALS:

A. Prior to mobilization, Contractor shall submit personnel decontamination procedures as part of the Contractor’s HASP specified in Specification Section 01 41 50 – Health and Safety Requirements. Contractor shall provide the following information:

1. Number and location of decontamination and wheel wash stations.

2. Decontamination methods and equipment that shall be used in accordance with applicable NJDEP requirements.

3. Procedures to prevent cross-contamination of clean areas during remedial activities.

4. Methods and procedures to minimize worker contact with contaminants during removal of personal protective equipment (PPE).

Public Buildings Service

SECTION 02 51 00

DECONTAMINATION

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5. Procedures for inspection and decontamination of vehicles leaving the Site.

6. Procedures for disposal of personal PPE.

7. Procedures for the collection of all decontamination water and residuals.

8. Procedures for minimizing generation of waste water.

1.06. DECONTAMINATION FACILITIES:

A. Contractor shall construct and maintain decontamination facilities for equipment and trucks as described in the Specifications and Drawings.

B. Contractor shall construct and maintain decontamination facilities for personnel.

C. Construction of new decontamination facilities is not required if existing decontamination facilities from previous phases of Work are available and optimally located.

PART 2 – PRODUCTS

2.01 DECONTAMINATION EQUIPMENT:

A. Contractor shall provide all equipment necessary to complete decontamination activities such as, but not limited to:

1. Power washer (heated if needed), shower, brushes, and receptacle for PPE, etc.

PART 3 – EXECUTION

3.01 VEHICLE/EQUIPMENT DECONTAMINATION:

A. Work zones shall be established as specified in the Contractor’s HASP and Technical Execution Plan.

B. Contractor shall inspect and decontaminate all vehicles and equipment that have entered the Exclusion Zone. All decontamination shall take place in Decontamination Zones.

C. Decontamination of vehicles and equipment shall include removal of soil and residues from the chassis (which includes undercarriage, suspension, wheel wells, tires, and wheels) and other parts of the vehicle known to have been contaminated or visually appearing to be contaminated.

D. Contractor shall take care while decontaminating vehicles to avoid contaminating personnel, other parts of the vehicle or equipment, or the surroundings. Personnel involved in vehicle and equipment decontamination shall be dressed in the appropriate level of PPE as determined by the HASP. All personnel shall follow applicable safety

Public Buildings Service

SECTION 02 51 00

DECONTAMINATION

100% Design – Issue for Bid 02 51 00-3 October 19November 3, 2016 \\uspsw2pfpsw001\Data\Data_USPSW2VFP001\Environment\Piscataway\Project\GSA\60436364 Belle Mead Design\500 Deliverables\503 North Parcel Issue for Bid Design\Specifications\02 -Existing Conditions\02 51 00 Decontamination.docx procedures described in Specification Section 01 41 50 – Health and Safety Requirements.

E. Contractor shall decontaminate haul trucks after loading and before the haul trucks exit exclusion zones if inspection indicates the presence of contaminants. Contractor shall ensure that haul trucks exit through the Decontamination Zone and receive proper decontamination and inspection.

3.02 PERSONNEL DECONTAMINATION:

A. Contractor shall ensure that personnel who have entered the Exclusion Zone perform decontamination as required in the HASP as specified in Specification Section 01 41 50 – Health and Safety Requirements prior to exiting the Decontamination Zone.

3.03 DECONTAMINATION METHODS:

A. Physical decontamination techniques used during truck and equipment decontamination include, but are not limited to brushing and spraying with a heated water pressure washer until all visible contamination and debris is removed.

B. Brushing shall consist of removal of loose materials with the use of a broom and/or brushes.

C. A heated pressure washer shall be used to provide application of water of sufficient temperature, pressure, residence time, and agitation to remove soil and contaminated residuals from surfaces.

D. Surfactants and detergents must be approved by the Engineer prior to use in decontamination operations. Materials which may be detrimental to water treatment, handling, or disposal shall not be allowed.

E. All equipment decontamination procedures shall be performed in a decontamination facility or area.

F. Overspray barriers shall be provided, if necessary or as directed by the Engineer on each side of the decontamination area to prevent contamination of adjacent areas.

G. Contractor shall manage decontamination residuals, including water, soil, residues, used PPE, and other materials removed during decontamination as specified in Section 3.04 below.

3.04 MANAGEMENT OF DECONTAMINATION RESIDUALS:

A. Decontamination liquids from Burn Pit and Pistol Range remediation areas shall be collected by Contractor shall collect decontamination liquids collected during personnel decontamination, truck and equipment decontamination.

H.B. Decontamination liquids from Burn Pit and Pistol Range remediation areas shall be for disposal disposed offsite at Owner approved disposal facility.

Public Buildings Service

SECTION 02 51 00

DECONTAMINATION

100% Design – Issue for Bid 02 51 00-4 October 19November 3, 2016 \\uspsw2pfpsw001\Data\Data_USPSW2VFP001\Environment\Piscataway\Project\GSA\60436364 Belle Mead Design\500 Deliverables\503 North Parcel Issue for Bid Design\Specifications\02 -Existing Conditions\02 51 00 Decontamination.docx

I.C. Contractor shall dewater and collect decontamination solids from burn pit and pistol range remediation areas. Dewatered decontamination solids shall be allowed to air dry in a stockpile pad for future offsiste disposal to at Owner approved disposal facility. The Contractor will be responsible for loading this material into trucks.

J.D. Contractor shall manage contaminated PPE from burn pit and pistol range remediation areas as Impacted Material to be sent to an Owner approved disposal facility.

E. When the decontamination pad is no longer required, the Contractor shall remove the contents, including but not limited to gravel, sumps, and berms. Liner, and dispose of the material at an off-site disposal facility approved by GSA.

F. Decontamination liquids from other areas of the site may be allowed to percolate into surrounding ground surface such that no overland flow is allowed and that decontamination is not conducted within or directly adjacent to areas that have been remediated.

K.G. Decontamination solids from other areas of the site may be collected, dewatered, and placed in the consolidation area.

END OF SECTION