Papago Mine is located about 50 miles north of Yuma, Arizona. The approximate coordinates for this site are 33°05'29"N 114°35'55.5"W. It is about three miles east of the Colorado River and the Imperial National Wildlife Refuge. It lies directly west of the Red Cloud Mine Road, private land is east to the road. The Red Cloud Mine is about 2 miles north northwest of the Papago Mine. The jurisdiction of the Papago mine currently falls under BLM. There are no nearby residences at the site, and the terrain is mountainous with broad hills.
The main project constraints that need to be considered are limited time and available cost for the project. Also, due to the current pandemic COVID-19 inperson meetings and field work will be restricted to follow the COVID-19 guidelines.
Below are the tasks that will be completed throuhgout the entirety of the project.
Task 1.1: Work Plan
Task 1.1.1: Sampling and Anaylsis Plan (SAP)
Task 1.1.2: Heath and Safety Plan (HASP)
Task 1.2: Lab Binder
Task 1.2.1: Project Plan
Task 1.2.2: Emergency Response Plan
Task 1.2.3: Chemical Handling Plan
Task 1.2.4: Safety Training and Lab Agreements
Task 3.1: Soil Drying
Task 3.2: Soil Sieving
Task 3.3: XRF Analysis and Determination of Contaminants of Concern (COCs)
Task 3.4: Additional Analysis
Task 3.4.1: Soil Digestion
Task 3.4.2: Furnance Atomic Adsorption (FAA) or Inductively Coupled Plasma (ICP) Analysis
Task 3.4.3: Correlation Curve
Task 3.5 Contaminant Mapping
Task 4.1: Human Health Risk Assessment (HHRA)
Task 4.2: Ecological Risk Assessment
Task 6.1: 30% Report and Presentation
Task 6.2: 60% Report and Presentation
Task 6.3: 90% Report and Presentation
Task 6.4: Website
Task 6.5: Final Report and Presentation
Task 7.1: Resource Management
Task 7.2: Schedule Management
Task 7.3: Client Meetings
Task 7.4: Technical Advisor (TA) and Grading Instructor (GI) Meetings
Task 7.5: Team Meetings
The table below displays the estimated hours per task.
TASK |
SENG |
ENG |
LAB |
INT |
(hours) |
(hours) |
(hours) |
(hours) |
|
1.0 Planning |
||||
1.1 Work Plan |
4 |
16 |
16 |
|
1.2 Lab Binder |
4 |
16 |
16 |
|
2.0 Site Investigation |
16 |
16 |
16 |
16 |
3.0 Laboratory Analysis |
||||
3.1 Soil Drying |
8 |
|||
3.2 Soil Sieving |
8 |
|||
3.3 XRF Analysis |
24 |
|||
3.4 Additional Analysis |
16 |
|||
3.5 Correlation Curve |
4 |
4 |
8 |
|
3.6 Contaminant Mapping |
4 |
4 |
8 |
|
4.0 Risk Assessments |
||||
4.1 Human Health Risk Assessment (HHRA) |
8 |
16 |
||
4.2 Ecological Risk Assessment |
8 |
16 |
||
5.0 Project Impacts |
||||
5.1 Environmental Impacts |
2 |
8 |
8 |
|
5.2 Social Impacts |
2 |
8 |
8 |
|
5.3 Economic Impacts |
2 |
8 |
8 |
|
6.0 Deliverables |
||||
6.1 30% |
8 |
8 |
8 |
|
6.2 60% |
8 |
8 |
8 |
|
6.3 90% |
8 |
8 |
8 |
|
6.4 Website |
8 |
8 |
8 |
|
6.5 Final Report and Presentation |
16 |
16 |
8 |
|
7.0 Project Management |
||||
7.1 Resource Management |
16 |
|||
7.2 Schedule Management |
16 |
|||
7.3 Client and Technical Advisor (TA) Meetings |
8 |
8 |
8 |
|
7.4 Grading Instructor (GI) Meetings |
8 |
8 |
8 |
|
7.5 Team Meetings |
8 |
8 |
8 |
|
TOTAL HOURS: |
158 |
184 |
72 |
152 |
The table below displays the cost of engineering personnel and travel.
Expenditure |
Classification |
Hours |
Rate, $/hr |
Cost |
Personnel |
SENG |
158 |
195 |
$30,810 |
ENG |
184 |
100 |
$18,400 |
|
LAB |
72 |
50 |
$3,600 |
|
INT |
152 |
25 |
$3,800 |
|
Total personnel |
$56,610 |
|||
Hotel |
4 rooms/2 nights |
$94 /rm |
$752 |
|
Rental Van |
1 van (3 days) |
$195 |
||
Travel |
786 miles |
$0.45/mi |
$283 |
|
Supplies |
Field supplies* |
$16 0 |
||
Subcontracting |
Additional analysis |
100 samples |
$100/samp. |
$1,000 |
NAU lab rental |
|
20 days |
$100/day |
$2,000 |
|
|
|
|
|
|
$61,000 |
The table below displays the estimated cost of materials.
Supplies |
Amount |
Unit |
Cost/unit |
Total |
Measuring tape |
1 |
1 |
15 |
$15 |
Marking flags |
100 |
1 |
10 |
$10 |
Gloves |
300 |
3 |
10 |
$30 |
Qt Freezer bags |
15 0 |
2 |
10 |
$20 |
Sharpies |
5 |
1 |
5 |
$5 |
Trowel |
4 |
4 |
5 |
$2 0 |
Plastic bins |
2 |
2 |
5 |
$10 |
5 gallon buckets |
3 |
1 |
10 |
$10 |
Trash bags |
40 |
1 |
5 |
$5 |
Paper Towels |
4 |
1 |
5 |
$5 |
Logbook |
2 |
2 |
10 |
$20 |
Water |
5 gal |
1 |
5 |
$5 |
Hand Sanitizer |
1 |
1 |
5 |
$5 |
Total |
|
|
$16 0 |
Will include photos from site investigation that will be completed 1/22/2021-1/24/2021.