B09-_P1526Q0089_updated_SOS_w_attachments_0001.pdf

PDF 4 MB Posted Jun 8, 2026

Attached to: Grand Canyon National Park (GRCA) requires the ser
Solicitation number: 140P1526Q0089
Issued by: Department of the Interior National Park Service Intermountain Region

About this file

Written by GovTribe AI · Jun 8, 2026

This is a Statement of Work for annual testing and inspection services of backflow prevention assemblies at Grand Canyon National Park. The contractor must conduct comprehensive testing on all designated backflow prevention assemblies located throughout the park's three geographic areas: South Rim (year-round accessible), North Rim (closed December 1 to May 15), and Inner Canyon locations (accessible by foot or helicopter). The scope includes approximately 177 NPS-owned assemblies plus additional Commercial Services and Partnership-managed assemblies totaling approximately 258 devices. All testing must be completed within 45 days from start date and submitted by December 5, 2026. Testing shall conform to University of Southern California Foundation for Cross-Connection Control and Hydraulic Research standards, NFPA 25 and 72 for fire suppression systems, and Arizona Department of Environmental Quality (ADEQ) regulations per Arizona Administrative Code R18-4-215.

Required submittals include individual digital and hard-copy inspection reports (PDF format with specific file naming conventions matching Unique IDs in YYYYMMDD format), two photographs per assembly (minimum 6 megapixels showing device information plate and side profile), consolidated testing report in Excel/CSV format with GPS coordinates in NAD 1983 UTM Zone 12N, and a comprehensive report detailing deficiencies with cost estimates for corrective repairs. Testing equipment must be calibrated and certified, with documentation provided. The contractor must submit qualifications including a detailed testing methodology, list of state-certified testers with names and certification numbers, and no more than three references including water purveyors. The NPS will provide helicopter transport for Inner Canyon locations (two round trips per inspection cycle for maximum two personnel) at no cost, with flights requested four weeks in advance via provided forms. All work must comply with OSHA safety standards and applicable federal, state, and local codes. The solicitation references Amendment #1 issued June 8, 2026, indicating an updated scope of services.

View the file

Other files

File	Type	Posted
140P1526Q0089_Amendment_3_Questions_and_Answers_0003.pdf	PDF	Jun 18, 2026
Sol_140P1526Q0089_Amd_0003.pdf	PDF	Jun 18, 2026
Sol_140P1526Q0089_Amd_0002.pdf	PDF	Jun 10, 2026
B09-_P1526Q0089_Amendment_2_Questions_and_Answers_0002.pdf	PDF	Jun 10, 2026
Sol_140P1526Q0089_Amd_0001.pdf	PDF	Jun 8, 2026
Sol_140P1526Q0089.pdf	PDF	Jun 2, 2026

On GovTribe

Work with this file

Download the original file
Contacts named in this file
Similar government files
Ask GovTribe AI about this file

Try for free Login

Text version

The file's text, extracted by GovTribe without its formatting.

National Park Service U.S. Department of the Interior Grand Canyon National Park Facility Management & Engineering

Date: April 30, 2026

Backflow Prevention Assemblies Inspection And Testing

PR# 0044044526

Solicitation #:140P1526Q0089

Date: April 30th, 2026

1 DESCRIPTION OF WORK

This contract encompasses the annual testing and inspection of listed Backflow Prevention

Assemblies (assemblies) throughout Grand Canyon National Park (see Attachment 1). The contractor shall conduct testing on all designated backflow prevention assemblies, record results

(pass/fail determination), and identify deficiencies.

1.1 LOCATION

The work will be performed park-wide, covering:

• South Rim (accessible year-round)

• North Rim (closed to the public from December 1 to May 15)

• Inner Canyon locations (accessible via foot or helicopter)

1.2 BACKGROUND

Grand Canyon National Park operates a complex water distribution system requiring periodic testing and maintenance of backflow prevention assemblies to comply with regulatory standards.

This contract supports the park’s water safety program by ensuring all assemblies function correctly to prevent contamination.

2 AWARD

2.1 ANNUAL INSPECTION AND TESTING Inspect, and test Backflow Prevention Assemblies identified in Attachment 1. Provide individual and consolidated reports for each test. Provide a quote for correcting all identified deficiencies.

All reports on inspections must be submitted no later than 5 December 2026.

3 GOVERNMENT FURNISHED EQUIPMENT, MATERIALS, AND SERVICES

3.1 FLIGHT SERVICES

• Helicopter services (two round trips per inspection cycle) to and from inner canyon locations (Phantom Ranch, Havasupai Gardens, Manzanita, Roaring Springs) will be provided at no cost to the contractor for no more than 2 personnel.

• Flights for repairs will be negotiated on a case-by-case basis.

• Flight requests must be made four weeks in advance via Attachment 4.

• Flights may be delayed or canceled with short notice due to weather and priorities for search and rescue or firefighting support.

4 SUBMITTALS

4.1 REQUIRED SUBMITTALS FOR NOTICE TO PROCEED

• Schedule of Values

• Schedule

• Name, dates of qualifications, and certification numbers of certified tester(s)

• Test Report format or form

4.2 REQUIRED SUBMITTALS

• Individual backflow prevention assembly inspection and testing report (digital).

• Hard copy of each inspection report (printed on front and back of page), bound or in a three-ring binder.

• Consolidated testing report (Excel) with compliance summary (pdf).

• Report listing deficiencies, required repairs, and cost estimate.

• Testing equipment calibration certification.

5 ATTACHMENTS

The following attachments are included in the scope by reference.

1. Backflow Prevention Assembly List

2. Cross – Connection Control & Backflow Prevention Program

3. Flight Request Form

6 REQUEST FOR PROPOSAL INSTRUCTIONS

• Provide a detailed methodology for accomplishing, tracking, and reporting the testing and repairs. The procedures shall be in conformance with procedures established by the

University of Southern California, Foundation for Cross Connection Control and

Hydraulic Research, Manual of Cross Connection Control, 10th Edition and the Arizona

Department of Environmental Quality (ADEQ).

• Submit a list of all current state-certified testers with names, dates, and certification numbers.

• Submit a list of no more than three references that include water purveyors.

7 SPECIFICATIONS

7.1 GENERAL

• The contractor shall maintain compliance with OSHA safety standards.

• The contractor shall provide proof of all required licenses and certifications.

• All deviations from these specifications must receive written approval from the CO prior to implementation.

• All annual testing and final testing will be compliant in accordance with applicable national, federal, state, and local codes, regulations, and guidelines.

• The contractor shall ensure all work complies with Arizona Administrative Code

(A.A.C.) R18-4-215 regarding backflow prevention and cross-connection control, as enforced by the Arizona Department of Environmental Quality (ADEQ

7.2 INSPECTION AND TESTING

• All backflow prevention assembly testing shall conform to the standards set forth by the University of Southern California Foundation for Cross-Connection Control and

Hydraulic Research and Arizona Department of Environmental Quality (ADEQ) regulations.

• All testing equipment must be properly calibrated and certified, with documentation provided in submittals.

• Tag all passing assemblies with a testing tag that provides the device serial number, date of the test, tester certification number, company name and contact information, and any additional chemicals.

• Any assembly containing lead must be noted as requiring replacement in order to comply with the Environmental Protection Agency’s Lead and Copper Rule Improvements.

7.3 SCHEDULE

• The inspection schedule will reflect accomplishing all inspections within 45 days from the start of inspections.

• No inspections may be scheduled on federal holidays or weekends unless approved by the Contracting Officer's Representative. Submit requests no less than 3 weeks in advance.

• Inspections must occur between the hours of 0700 and 1800; for housing units, the hours shall be 0800 and 1700.

7.4 REPORTING

Provide individual reports for each backflow inspected, two pictures of each backflow inspected, and a consolidated report.

7.4.1 Individual reports

Digital backflow preventor assembly reports shall be submitted individually in pdf format along.

File names to match the Unique ID provided in Attachment 1 and include the date of the inspection in YYYYMMDD format. Example: 81634_02F_20260930.pdf

Grouped reports will not be accepted.

Information on individual reports to match information on the consolidated report.

Required information on the individual reports are:

• Unique ID

• File Number

• Connection Type

• Hazard type

• Manufacturer

• Size

• Model

• Serial number

• Test date

• Test results

• Pressure readings

• Test method

• Test equipment calibration date

• Test equipment serial number

• Corrective action required (if any)

• Name and ID of tester

7.4.2 Photograph requirements

Each inspected assembly requires two photographs to be delivered in jpg format with a size no less than 6 mega pixels.

One photograph to show the device information plate (showing serial number).

One photograph to show the side profile showing its location within the room or outside of a structure.

File names to match the Unique ID provided in Attachment 1 and include the date of the inspection in YYYYMMDD format. Examples: 81634_02F_20260930_1.jpg ;

81634_02F_20260930_2.jpg

7.4.3 Consolidated Report

• The consolidated report shall be submitted in Excel or CSV format. Use Attachment 1 as the format and basis of information required. The contractor is responsible for verifying all information as accurate, updating incorrect information, and completing missing information in each column for the assemblies identified within this contract.

• GPS coordinates (Latitude and Longitude) for the assembly location, projected in NAD

1983 UTM Zone 12N.

• Needed parts and repairs to bring the assembly into compliance if the assembly is out of compliance

• The identified corrective actions must include a description of the necessary repairs or replacements and parts required along with any special conditions or constraints.

7.5 ASSEMBLIES FOR FIRE SUPPRESSION SYSTEMS

Where assemblies serve fire suppression systems, all inspection and testing shall conform to

National Fire Protection Association (NFPA) 25 and 72. Where any NFPA standard says

“should”, the contractor shall take it to mean “shall”.

Unique ID

Inventory File #

Area

Building #

Building Name

Address

GPS

Elevation (feet)

Connection Type

Hazard Type

Use Codes

Room

Mfg.

Type Size

(inches)

Model#

Serial #

Install Date

83785_02P

South Rim

Elementary School

Boulder St

P/D Non-Health

Hazard

BLDG 100 Boiler Room (Boiler room is located just beyond the back to the restroom.)

Wilkins

0.75

131891

Unknown

83782_01P 3 South Rim 0227 Grand Canyon Old School

Bldg

Hazard

BLDG 200 Boiler Room

83974_01P 4 South Rim 1452 Multi-Purpose Building 48 Boulder St

BLDG 300-Boiler Room Wilkins RP 0.75 975 S63303 Unknown

83974_02F 5 South Rim 1452 Multi-Purpose Building 48 Boulder St

Fire

BLDG 300 (Sprinkler Room) #306

83787_01P 6 South Rim 0324 High School 48 Boulder St

BLDG 400 Boiler Room #416

83787_02F 7 South Rim 0324 High School 48 Boulder St

BLDG 400 (Sprinkler Room)

83791_01P 8 South Rim

BLDG 500-Boiler Room Wilkins RP 0.75 975 122145 Unknown

84325_01F

School Maintenance Office

Center St

Hazard

BLDG 600 (John Vest Maintenance and

Transportation Facility Building) Boiler

Room

83785_01F

1 FIRE

Elementary School

BLDG 100 (Access door is on the northwest corner of the building facing north. The device is located under the flooring in a crawlspace room.)

Watts

81634_02F 13-2B Fire Main Line South Rim 1576 NPS Warehouse New NPS Maintenance Area 36° 1' 59" North, 112° 7' 45" West 6890 Fire

FMD Warehouse Bldg (Main Line) Ames DC 8 2000SS 131494-1202 Unknown

33514_01F 14B South Rim 0103 Ranger Operations Center St

River Operation Ames DC 4 Colt 2000 LL1983 Unknown

34552_08P 39H South Rim 0444 Clinic 1 Clinic Road

Admin, Residence, 15662 Febco DC 0.75

825YRP Unknown

35073_01P 23-1B Main Line South Rim 1516 La Petite 1 North Mohave

Hazard

(KLC) Kaibab Learning Center / Child

Care Center Watts DC 4 709 170633 Unknown

34552_02P 4-2B Boiler Room North South Rim 0444 Clinic 1 Clinic Road

Boiler Room North Watts RP 0.75 009 M3 263727 Unknown

34552_03P 4-3B Boiler Room South South Rim 0444 Clinic 1 Clinic Road

Fire Station #1, Boiler Room, South Watts RP 0.75 009 M3 277420 Unknown

225796_03F 25-3B South Rim 1708 Science and Resource Mgmt

Bldg 17 South Entrance Road

36° 3' 21" North, 112° 7' 13" West 6980 Fire

SRM Science Center - Dutton Ames DC 4 Maxim 200 MC0908 Unknown

33683_02F

31-2B FIRE

Desert View

Tusayan Museum

Tusayan Ruins 36° 0' 50" North, 111° 51' 59" West

Health Hazard

SR / DV - and Ruins Site, Ranger Office

Building, Fire Suppression / Utility Room

LF007M-1

194122

7/15/2024

33034_02F 42-2H FIRE South Rim 0012 Single Family Res 12 Kaibab St 36° 3' 15" North, /

112° 8' 5" West 6950 Fire Health Hazard

Kaibab 12 Ames DC 1.25 2000B 13081 Unknown

34552_04F 4-4B FIRE Boiler Room Riser South Rim 0444 Clinic 1 Clinic Road

Fire Station #1, Boiler Room Riser Ames DC 4 2000 SSF 2009050302 Unknown

35085_01P 5-1B South Rim 1524 Maswik Transportation

Center/BRO Maswik Lodge Area

36° 3' 26" North, 112° 8' 35" West 6870 P/D

Maswik Transportation Watts RP 1 LF 009 M2 358441 5/20/2025

35085_02F 5-2B Fire South Rim 1524 Maswik Transportation

Center/BRO Maswik Lodge Area

Maswik Transportation Ames RP 4 4000 SS 108470 Unknown

36340_03F 77-3H FIRE South Rim 0024B Duplex 1B Tonto St Fire Health Hazard Tonto 1A Watts DC 1 077M1-QT 479995 Unknown

33007_02F

79-2H FIRE

0007A

Garage & Shed

Tonto St 36° 3' 16" North, /

112° 7' 56" West

Tonto 9A

007M3 QT

B06786

35147_01F

85-1H FIRE Bypass

Eight-Plex Housing Unit

112° 8' 18" West

DV Nankoweap (Bypass)

Ames

Flowmatic

DCVE

A2504

33515_01P 8B South Rim 0105 Visitor Center South Entrance Rd 36° 3' 18" North, 111° 8' 19" West 6880 P/D

Non-Health

Hazard

Federal Magistrate Court Center, Boiler

Room Wilkins RP 1.5 Z975XL2 W419314 9/12/2023

34433_01P 9B Desert View 0295 Ranger Station Desert View 36° 2' 7" North, 111° 49' 49" West 7450 P/D

DV, GRCA East Park Entrance Watts RP 1 LF 009 M2 358440 5/19/2025

81635_01P 10-1B Main Line South Rim 1577 NPS Vehicle Maintenance