B08_-_140P1222Q0094_-_Scope_of_Services_-_Water_Tank_Inspection_at_MEVE.pdf

Scope of Services for Water Tank Inspection

Park Name: Park

Address: Project Name: Project PMIS: Date:

Park (FM POC)

Project Manager:

Mesa Verde National Park

PO Box 8 Mesa Verde National Park, CO 81330 Cleaning and Inspection of Water Tanks

254924 & 5/15/2022

Brandon Bell

Ted Corcoran

General Project Description

This project is located in Mesa Verde National Park. The work includes inspection of the three existing ground level potable steel water tanks and one clear well.

• Morefield Tank – 300,000 gallon (Lat: 37°18'7.11"N, Long: 108°24'52.43"W)

• Wetherill Tank – 300,000 gallon (Lat: 37°12'17.17"N, Long: 108°32'40.86"W)

• Chapin Mesa Tank – 100,000 gallon (Lat: 37° 12' 13.51"N, Long: 108° 29" 27.76"W)

• Navajo Hill Tank – 2,000,000 gallon (Lat: 37°16'15.79"N, Long: 108°29'49.13"W)

• Water Plant – Clearwell – 50,000 gallon (Lat: 37° 20' 25.85"N, Long: 108° 24' 48.39"W)

• Raw Water Vaults – Two Underground Concrete 20 FT X 14 FT with a depth of 12 Ft (Lat: 37°

19' 56.77"N, Long: 108° 24' 48.59"W)

The purpose of this investigation is to determine the structural integrity of the tanks and cleaning of the tanks by removing debris or foreign sediment.

Scope of Services

1. Perform interior in-service inspection using ROV Inspection Robot, divers, or a combination of the two methods. Perform exterior inspection by trained personnel abiding by OSHA regulations utilizing fall protection equipment. ROV equipment to be disinfected before use in water tank interior.

2. Check for deficiencies and meet tank inspection requirements of OSHA, EPA, AWWA and

NFPA. Review all structural, sanitary, safety, security and coating conditions. Examine ladders, shell, roof, vent, manways, welds, seams, foundation, anchors, safety systems, hatch, and external overflow. Take photographs of all deficiencies and tank appurtenances.

3. Perform the following tests during the inspection:

a. Mil thickness test (coating thickness) – Exterior only

b. Cross hatch test (paint adhesion) – Exterior only

c. Ultra-sonic test of tank shell– Exterior only

4. Perform interior in-service cleanout of sediment from the tank floors using ROV equipment, divers, or a combination of the two methods.

5. You are encouraged to visit the site in order to determine the proper equipment for this work.

6. Tanks, Clearwell, and Vaults will remain as full as possible during inspections.

7. Furnish a certificate of insurance covering Workman’s Compensation, Occupational

Disease, Employer’s Liability, and General Liability.

8. Submit a detailed written report of findings with photographs, DVD of inspection, corrective recommendations and cost estimates. The report shall be signed by registered personnel.

Two paper copies and an electronic copy of the report shall be submitted to this office within one calendar week after completing all inspection services.

9. Contractor have at least three (3) years of experience in inspecting and cleaning potable water tanks

Access

Access to the park grounds must be obtained by contacting the park superintendent and coordinated to accommodate park programs, regular maintenance functions, and uninterrupted visitation.

Points of Contact

Superintendent Name:

Park Name:

Address:

City, State, Zip Phone:

Contracting Officer Name:

Phone:

Email:

Park Point of Contact (COR) Address:

Phone:

Project Manager:

Address:

City State, Zip

Phone:

Kayci Cook

Mesa Verde National Park PO Box 8

Mesa Verde National Park, CO 81330

(970) 529-4600

Ryan Cope

(435) 359-7533 ryan_cope@nps.gov

Brandon Bell

PO Box 8

Mesa Verde, CO 81330

(907) 529-5092

Ted Corcoran

3636 Central Avenue, Suite 410 NPS/SOAR

Phoenix, AZ 85012

602-794-3808

Provide a project Schedule to the Contracting Officer 7 days in advance of mobilization to the

Park or other activities. The project Schedule shall include at a minimum the following dates:

Project Schedule

Contract Award Date

Notice to Proceed Date

On-site inspection Date

Report delivered Date

The requested scope of services shall be completed within 30 days of the award of this contract.