Attachment__3_Activity_II_Scenarios.docx

Solicitation AG-91S8-S-17-0001 Attachment #3

Solicitation AG-91S8-S-17-0001 Attachment #3

ACTIVITY II SCENARIO/S: Non-CERCLA Site Investigation, Cleanup, and Restoration

The following scenario is an actual Task Order which will be issued as part of the award of this IDIQ contract. The Offerors shall prepare an actual bid proposal for this scenario as part of the response.

TASK ORDER

Statement of Work GROUNDWATER INVESTIGATION OF THE FORMER KEENWILD UNDERGROUND STORAGE TANK SITE, SAN BERNARDINO NATIONAL FOREST MOUNTAIN CENTER, CA

This Task Order is being issued under Activity II- Non-CERCLA Site Investigation, Cleanup and Restoration of the Forest Service Region 5 Regional Environmental Services IDIQ Contract. The Contractor shall furnish all labor, equipment, transportation, permits, testing and incidentals necessary for the performance of the tasks specified in this Statement of Work.

A) Site Location:

The project site is located at the Keenwild Station in Mountain Center, California, which is located within the San Bernardino National Forest in Riverside County. The project site’s physical address is 28500 Highway 243, Mountain Center, California. The site is accessed from Highway 243 to the north-west of the subject site. The Keenwild Station is an active fire station that consists of a newly renovated operations center, Heli Pad and several outbuildings.

B) Background:

The San Bernardino National Forest operated a fueling station at this location that included a gas house (approximately 20 square feet), a fuel island, a 1000 gallon gasoline underground storage tank and a 1000 gallon diesel underground storage tank. The underground storage tanks and the fuel island were removed in October of 1998. The gas house was demolished and properly disposed in 2011. (See figures at end of this SOW that shows the site and the former location of gas house, fuel island and underground storage tanks).

During removal of the underground storage tanks and the fuel island, product releases were determined to have occurred from the underground storage tanks, product piping and dispensers. The releases were determined to be the result of overfilling and leakage. The soil excavated during the removal of the tanks, product piping and dispensers and imported fill dirt were placed into the excavated area in December of 1998. The excavated area was repaved with asphalt.

Limited soil and groundwater investigation activities were conducted between January 2004 and March 2006. Petroleum hydrocarbons and fuel volatile organic compounds were detected during these investigations.

Petroleum impacted soil in the former fuel island/dispenser area was excavated to bedrock at 3 to 8 feet below ground surface (bgs) in May of 2012. TPHg was detected in confirmation soil samples that ranged from 46 to 250 parts per million (ppm) in the west wall. TPHd was detected in conformation soil samples ranging from 2.9 to 14000 ppm in the west wall. VOCs and SVOCs were not detected. The west wall was over excavated and confirmation borings did not detect TPHg or TPHd.

Additional excavation was performed in June of 2012 in the area of the former tank pit. The excavation was completed to bedrock at 5 to 20 feet bgs. TPHg was detected in soil samples that ranged from 6.7 to 2500 parts per million volume (ppmv) from the southern and eastern sidewalls. TPHd was detected in soil samples that ranged from 2 to 1400 ppmv in the southern and eastern sidewalls. Up to 27 ppm toluene, 31 ppm ethylbenzene, and 320 ppm xylenes was also detected.

C) Scope Of Work To Be Performed:

The work to be performed under this task order is the investigation and assessment of the former underground storage tank site to determine if the groundwater at the site is being fed by the secondary source of gasoline contamination remaining in the soils and bedrock and to determine the extent of groundwater contamination. The primary contamination source, the tanks and dispensers, have been removed.

Keenwild Station is located at 28500 Highway 243, Mountain Center, CA. Work under this Task Order includes, but not be limited to:

· Preparation of work plans and reports;

· Obtaining necessary permits;

· Soil and/or water sample collection and analysis;

· Excavation and disposal of contaminated soil;

· Backfill;

· Repair of asphalt and/or concrete;

· Verification sampling;

· Preparation and submittal of assessment report;

· Uploading final Riverside County approved documentation to the California Geotracker database.

D) Technical Specifications:

The following technical specifications and standards apply to the work under this Task Order:

1) Applicable Codes:

i) Riverside County Ordinance Number 617.4, Sections 12-16

ii) California Health and Safety Code, Section 25280 et seq

iii) California Code of Regulations, Title 23, Division 3, Chapter 16

iv) Porter-Cologne Water Quality Control Act Division 7, Section 13000 et seq

v) County of Riverside Local Oversight Program Corrective Action Guidelines

2) Excavation and Backfill:

i) Native backfill shall be non-expansive and predominantly granular soil or soil-rock mixture, which is free from organic matter and deleterious substances. Native backfill material shall not contain rock or rocky materials over 6 inches in the greatest dimension.

ii) Imported backfill shall be from an approved contractor source and meet the requirements discussed in the previous paragraph.

iii) All excavations shall be unclassified. The Contractor shall erect barricades along all excavations to prevent accidents. Lights shall be placed on all barricades from sunset of each day until sunrise of the next day until the excavation is filled.

iv) Backfill and Compaction Requirements: Under roads and structures, the backfill shall be compacted to 90 percent of AASHTO T-180, Method C or D, except the upper 12 inches which shall be compacted to 95 percent of AASHTO-T-180 Method C or D.

3) Storage of Materials Generated During Field Activities:

i) All material generated as a result of field activities are considered hazardous until laboratory analyses demonstrates otherwise. All materials generated must be clearly labeled, secured from public access, and containerized or completely covered, lined, and bermed to prevent discharge to the environment. All material generated must be removed from the site within 90 days from the date of generation for proper disposal, treatment or recycling.

4) Characterization of Materials Generated During Field Activities.

i) Proper sampling and laboratory analyses must be conducted to characterize the materials as non-hazardous. Data generated by field instruments (e.g. photo-ionization and flame-ionization detectors) are not acceptable for determining hazardous or non-hazardous status of the materials. A County Hazardous Materials Management Division Specialist must witness the characterization sampling.

ii) Minimum number of samples required to characterize soil stockpiles are shown in the table below. Compositing of samples in the field is not acceptable. Composite samples are acceptable only if the compositing is performed by the laboratory and pre-approved by the County Hazardous Materials Management Division Specialist.

(Randomly Located Over a Three Dimensional Grid)

iii) The following analyses will be performed to characterize materials generated during field activities:

iv) All sampling conducted under this work plan must be witnessed by the Hazardous Materials Management Division (County of Riverside) specialist overseeing site cleanup. The Hazardous Materials Management Division overseeing site cleanup must be notified at least 5 working days prior to the commencement of any field activities. Data generated by field instruments such as photo-ionization and flame-ionization detectors are not acceptable for quanitfying contaminant concentrations.

E) Underground Utilities and Other Underground Improvements:

1) Underground utilities and other underground improvements exist at the site. It is the Contractor’s responsibility to obtain utility clearance before commencing any excavations. If a utility or other underground improvement is damaged, the Contractor shall notify the Contracting Officer and the owner of the utility immediately.

2) The Contractor shall take all reasonable precautions to protect the utilities or other underground improvements where the locations have been designated. If a utility or other underground improvement is damaged, the Contractor shall repair the damage to the satisfaction of the Contracting Officer or the owner at the Contractor's expense. All repairs necessary shall be made immediately unless directed otherwise in writing by the Contracting Officer.

F) Use of Government Facilities:

Government facilities and their limits of use that will be available to the contractor.

1) Utilities – Electricity is available at the site. There is no water available at the site.

2) Equipment Storage – Contractor may temporarily store equipment and vehicles at the project site at locations designated by the Contracting Officer. However, the Government will not be responsible for any damage caused to the Contractor's property.

3) Sanitary Facilities - The Contractor may use the existing sanitary facilities provided reasonable care is exercised when using them.

4) Site Operations – In no case shall the Contractor or his work interfere with normal or emergency operations at the project site. (The Contractor shall not block access to the station at any time).

G) Fees:

The Contractor shall, without expense to the Government, pay all applicable Federal, State, County and Municipal fees applicable to the performance of the work.

H) Schedule of Work:

Contractor shall coordinate a site visit with the technical contact to the site prior to commencement of work. Do not begin any site activities until you have received approval from the Forest Service to do so.

I) Hazardous Waste Manifest Documents:

The Forest Service will obtain and supply the Contractor with an EPA Identification Number to be used on all hazardous waste manifests required for the sites identified in this Task Order.

J) Deliverables:

1) Site Specific work plans and Final reports shall be submitted to the technical contact as indicated in the general Statement of Work for the Forest Service Region 5 Regional Environmental Services IDIQ Contract. Any deviation from the accepted work plan(s) must be explained in the final report. Site Specific work plans shall be submitted for Forest Service review and approval after award of the Contract.

2) Work plans for the work described in this statement of work must be accepted by the Riverside County Department of Environmental Health Hazardous Materials Management Division before any activities can occur on site. Refer to Riverside County Ordinance 617.4 for applicable requirements for work plans and reports which are required for field activities, monitoring and contaminated material disposition.

3) Project Work Plan: The Contractor shall provide the Government with two (2) hard copies and an electronic copy of the Work Plan for the project. The Work Plan is due within 30 days of the award of this Task Order. In additional to addressing Riverside County requirements, the Work Plan shall include, but is not limited to, the following:

i) A description of the work to be performed

ii) A description of how the work will be performed.

iii) Specific exclusions/ assumptions regarding the specific work to be performed.

iv) A listing of personnel, including subcontractor(s), working on the project.

v) Qualifications and experience of personnel and subcontractors.

vi) List of equipment and supplies to be utilized.

vii) “Field Sampling and Analysis Plan” (as required for hazardous material/waste identification, identification of chemical residuals and contamination, etc.).

viii) “Hazardous Material/Waste Management Plan”, which includes waste identification protocol, identification of the proposed treatment, storage and disposal facility for all hazardous and solid wastes generated under the Task Order.

ix) “Contingency Plan” for addressing emergency spills and releases.

x) “Health & Safety Plan”.

xi) Project Work Schedule and Timeline.

4) Final Report: The Contractor shall prepare and provide three (3) hard copies and an electronic copy of a Final Report no later than 30 days from the completion of performance of work under this Task Order. The Final Report shall include, but is not limited to:

i) A report of the investigation and assessments results which includes a detailed description and documentation of the site-specific operations performed. Including, but not limited to: hazardous material identification, sampling and analytical data, and hazardous materials and contaminated media (soil, water) volumes and quantities. The report shall be signed by the registered geologist or professional engineer responsible for the work, as required by the State of California.

ii) Destination and method of reuse, recycling, or disposal of all waste/contaminated material, including rationale for the selected disposition of said material. The name, address and EPA or State Identification Number of the site shall be included in this section of the report.

iii) Method of packaging of material/waste to comply with the requirements of this contract and to comply with Federal and State requirements for transportation and disposal. This includes the method of transport and name, address, and EPA-Identification Number of all transporters.

iv) Copies of all signed manifests, land disposal restriction forms, waste profile sheets, laboratory test results, and any other supporting documentation pertaining to the specific task.

K) Point of Contact:

The point of contact for this Task Order is shown below.

Belinda Walker 602 South Tippecanoe Avenue San Bernardino, California 92408 909-382-2607 brwalker@fs.fed.us image1.emf image2.emf