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of 10 Progress Report #1 Agreement Number: 4600012439

STATE OF CALIFORNIA CALIFORNIA NATURAL RESOURCES AGENCY

DEPARTMENT OF WATER RESOURCES

Agreement Number: 4600012439

MINE DRAINAGE ABATEMENT FOR THE COMBIE RESERVOIR PROJECT A Part of the Bay-Delta Multipurpose Water Management Program under

Costa-Machado Water Act of 2000 (Proposition 13) Water Code, Section 79000, ET SEQ.

PROGRESS REPORT #1 REPORT PERIOD Thru July 31, 2018 PROJECT STATUS This period of time defines much of the contracting, scoping, and pre-project strategizing and engineering activities. In particular, activities relating to this report are below as referenced in Exhibit F of the Agreement.

Project Partner Chart Overview

Legal Matters The legal activities during this period have mostly involved the development of project contracts and the Knelson Concentrator equipment purchase.


Knelson Concentrator: NID was quite active in the early part of 2017 in defining the Terms and Conditions of the Knelson Concentrator from FLSmidth, a Canadian firm. In May, both parties agreed to and finalized the Terms and Conditions of the product order and delivery.

Professional Services & Construction Contracts: During this time, NID was active in developing and finalizing professional services and construction contracts for GLEI and NV5. As of the end of this period, we have finalized all contract negotiations and/or agreements.

Sediment Disposal: During this period, NID has been active in identifying and negotiating temporary storage location for the sediment extracted from Combie. As of this report, we have not finalized this agreement with Teichert, however we do believe an agreement will be complete before the sediment removal begins, estimated October 1.

Engineering Evaluations During this period, there has been a number of project partner meetings, assessments and review of exactly how to remove the sediment while effectively and efficiently extracting elemental mercury from the sediment. We look forward to an upcoming August 24 meeting with Mr. Ted Reimchen of Pegasus, to discuss centrifuge and mercury removal optimization, design review, modification schedule and flocculant needs. These meetings have been instrumental in defining project scale, scope and activities.

Process Monitoring Diagram


Project Site Map


Environmental Matters Project partners have been working to ensure environmental concerns of the project are met. We have secured and continue to secure environmental regulatory permits from the CAFWD and the Water Board. We will be selecting a project Biologist to review project area species of concern, including Bald Eagle and Foothill Yellow Legged Frog. Permit Status

CFWD 1600 Lake and Streambed Alteration (No. 1600-2010-0180-R2): November 2017 the project received an extension with an expiration of December 2021. In July 2018, we received confirmation of an amendment to the permit to excavate sediment during the reservoir drawdown period for removal in the dry in addition to removal of sediment on the wet using a hydraulic dredge.

CCVRWQCB NOA General Waste Discharge Order R5-2016-0076-019 and National Pollutant Discharge Elimination System (NPDES) Permit No. CAG995002: In February 2018, we received confirmation of our updated permit. As of this progress report, we are awaiting approval from the Water Board on the amendment to remove sediment in the dry using excavating equipment. In recent conversations we believe this permit to be re-issued before the end of August.

CVRWQCB 401 Water Quality Certification: Our current permit was issued in November 2012 and is valid until December 2018. The Water Board is in the process of finalizing their review of our request for extension and amendment of the permit to review sediment in the dry. In recent conversations we believe this permit to be re-issued before the end of August.

USACE 404 Nationwide Permit Number 16: In February 2011 we received the issuance of this as a non-reporting certification. This permit automatically renews every two years.

Placer County Hazardous Materials Business Plan: This permit is in process. Major Accomplishments

Amended CEQA to reflect sediment removal in dry conditions

Greater understanding of and determination of sediment removal process, location, amount and project process

Second round of sediment sampling and final sediment characterization report

Universal coordination with project partners

Project partner contracts complete

Stakeholder outreach and engagement with in-person meetings with the Combie Rod & Gun Club and the Combie Homeowners Association

Contractor TSF conducted 2017 Post-it-Day, an educational activity on mercury and fish consumption

Issues / Concerns

Finalizing amended permits with the Water Board. For two months we have been attempting to finalize our amended permits to remove sediment in the dry. We are pushing hard with regulatory staff overseeing our 401 and NPDES. We do anticipate amended permits prior to the removal being date during the week of October 1.


The Knelson Concentrator is near complete in the factory in China. We anticipate it will ship and arrive prior to the end of September. There is little to be done to ensure this happens quicker.

NID is in negotiations with Teichert to temporarily store the removed sediment until we can find a buyer or locate a permanent location.

Images of Completed Knelson Concentrator in Factory

Differences in Work Plan

Task 1: Project Administration o No change to this task during this time o Implementation Work Plan (IMP) Deliverable is attached o Quality Assurance Plan (QAP) Deliverable is attached o Health & Safety Plan (HSP) Deliverable is attached

Task 2: Project Management o No change to this task during this time

Task 3: Regulatory Compliance and Permit Activities o No change to this task at this time o See above for progress on permit activities

Task 4: Site Construction, Mobilization and Demobilization o No Change to this task during this time o No site activity has taken place, anticipate 1st week of October

Task 5: Sediment Removal and Mercury Recovery Operations o We received a CEQA Amendment to allow for the removal of sediment in the dry. This

perhaps has been the biggest change to the project. This will allow for the project to remove more sediment than just with a suction dredge from the reservoir, at a cost effective rate.

Task 6: Biological Assessment Activities and Reporting o No Change to this task during this time

Task 7: Community Engagement, Outreach and Education o No Change to this task during this time


USGS Sampling Sites

USGS Reservoir Sampling

Project Completion Estimate

Planning / Adaptive Management – 15%

Sediment Removal – 0% Key Issues to Be Resolved

401 and NPDES Permit Amendments

Temporary sediment placement with Teichert


COST INFORMATION Overall project costs by contractor and eligible cost

Total Project Cost to Date

Contractor Budget Amount Invoice Date Invoice Amt Budget Remaining DWR Eligible Project Cost?

H&K 20,000.00$ 2/1/2018 614.50$ 19,385.50$

3/13/2018 2,635.00$ 16,750.50$ No

3/29/2018 2,728.20$ 14,022.30$ No

3/29/2018 4,358.38$ No

5/1/2018 12,703.58$ 1,318.72$ No

25,000.00$ 26,318.72$

6/27/2018 21,000.50$ 5,318.22$ No

6/27/2018 3,886.38$ 1,431.84$ No

519,773.60$ 519,773.60$

8/7/2018 7,963.50$ 511,810.10$

55,890.04$


GLEI 71,122.00$ 4/2/2018 9,301.00$ 61,821.00$ Yes

5/3/2018 8,600.00$ 53,221.00$ Yes

6/3/2018 18,641.00$ 34,580.00$ Yes

7/1/2018 2,100.00$ 32,480.00$ yes

38,642.00$


USGS 95,073.00$ 1/16/2018 23,884.61$ 71,188.39$ Partial

1/18/2018 71,188.39$ -$ Partial

96,523.00$ 4/12/2018 96,523.00$ -$ Partial

868,670.00$ 868,670.00$

7/25/2018 37,624.50$ 831,045.50$

37,624.50$


TSF 24,738.00$ 1/15/2018 4,100.00$ 20,638.00$ No

5/2/2018 4,198.50$ 16,439.50$ No

7/23/2018 4,482.75$ 11,956.75$

12,781.25$


FLSmidth 210,812.35$ 12/1/2017 44,284.70$ 166,527.65$ Yes

2/26/2018 61,998.58$ 104,529.07$ Yes

8/14/2018 70,855.52$ 33,673.55$

177,138.80$


Ted Reimchen 100,000.00$ 6/15/2018 16,003.35$ 83,996.65$ Yes

16,003.35$

TOTAL PROJECT INVOICED TO DATE: 338,079.94$

Invoiced To Date:

Invoiced To Date:

Invoiced To Date:

Invoiced To Date:

Invoiced To Date:

Invoiced To Date:


Budget to Actual To date, the project has expensed 4% of the total project budget. Most of the project cost is associated with the purchase of the Knelson Concentrator, engineering services and planning for the project.

Budget to Actual

Changes to Budget There have been no changes to the projected budget during this period. SCHEDULE INFORMATION As identified in the below chart, we are currently on schedule for removal of sediment this fall and also on removal of sediment beginning next spring.

TASKSTotal

Project Cost

Non-DWR

Funding Share

DWR Prop 13

ShareYTD Cost % of Total

1: Project

Adminis tration247,663.00$ 247,663.00$ -$ -$ 0%

2: Project

Management400,000.00$ 400,000.00$ -$

3: Reg Comp &

Permit200,000.00$ 200,000.00$ -$

4: Const/ Mob/

Demob500,000.00$ -$ 500,000.00$

5: Sed Removal &

Mercury Recovery

Ops

5,250,000.00$ 650,000.00$ 4,600,000.00$

6: Bio Assess/

Reporting1,000,000.00$ 600,000.00$ 400,000.00$ 37,624.50$ 4%

7: Outreach/

Education100,000.00$ 100,000.00$ -$ 12,781.25$ 13%

CONTRACT TOTALS : 7,697,663.00$ 2,197,663.00$ 5,500,000.00$ 338,079.94$ 4%

55,890.04$ 9%

231,784.15$ 4%


2018 Sediment Removal in Dry Conditions

2019 Sediment Removal in Wed Conditions


Attachments:

CEQA Amendment

Project Meeting Agendas

Sediment Characterization Report

Implementation Plan

Quality Action Plan

Health & Safety Plan

USGS FY1017Q4 Report



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