2-NSB-3928 SPEC OAT ENGINE COOLANT.pdf

Exhibit I –Specifications

Organic Acid Technology (OAT)

Antifreeze/Coolant

Document Control # Workflow ID Revision #

NSB-3928 3065371 6

Effective Date: July 21, 2025

Name: Title:

Originator: Vanessa Banegas Analyst II, PA/ Facility Services

Approver: Theresa Smith Manager, Bus Fleet Engineering

Revision # Description Initials Date

6 Adding the correct part numbers for Valvoline;

Table 3 added for parts list; Table 4 Added Delivery

Locations

VB 07/21/2025

5 Adding the correct part numbers for the products listed

BB 07/01/2025

4 Added Valvoline ZEREX as approved product on page 4.0; Added Table 2, Valvoline ZEREX™

Antifreeze/Coolant Product Information

AJR 10/25/2023

3 Changed part number on page 4, 4.0 A AJR 03/31/2023

2 Update part number TES 05/17/2021

1 Editorial changes requested by Procurement TES 08/09/2018

0 Initial Release TES 07/08/2017 https://legacy-dartnet.dart.org/webapps/workflow/510/default.asp?FindId=3065371

NSB-3928 Organic Acid Technology (OAT)

Rev# 6

p. 2 of 10 Effective Date: July 21, 2025

Table of Contents

1.0 Scope

2.0 Reference Documentation

3.0 Definitions and Abbreviations

4.0 Requirements

5.0 Verification

6.0 Packaging

Tables Table 1 - Cummins OAT Antifreeze/Coolant General Properties

Table 2 - Valvoline ZEREX™ Antifreeze/Coolant Product Information

Table 3 - Parts List

Table 4 - Delivery Locations

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1.0 Scope

This specification outlines the requirements for engine antifreeze/coolant based on Organic

Acid Technology (OAT), Cummins Filtration Item CC3607400JXUSR, packaged in a caged 275-gal plastic tote, 55-gal drum, or bulk. The specification also includes Valvoline

ZEREX HD Extended Life 50/50 Antifreeze/Coolant. Valvoline item 895514 Nitrite Free

Bulk, item 895624 Nitrite Free 55-gallon drum and/or item 895626 Nitrite Free 275-gal caged tote. This will be used in heavy-duty buses in DART’s fleet.

2.0 Reference Documentation

The Contractor shall be responsible for obtaining the following documents with latest revisions and shall comply therewith.

AGENCY

STANDARD

NUMBER

TITLE OF DOCUMENT

ASTM D1120

Standard Test Method for Boiling Point of Engine

Coolants

ASTM D1122

Standard Test Method for Density or Relative Density of

Engine Coolant Concentrates and Engine Coolants by the

Hydrometer

ASTM D1123

Standard Test Methods for Water in Engine Coolant

Concentrate by the Karl Fischer Reagent Method

ASTM D1177

Standard Test Method for Freezing Point of Aqueous

Engine Coolants

ASTM D1278

Standard Test Methods for Rubber from Natural Sources –

Chemical Analysis

ASTM D1287

Standard Test Method for pH of Engine Coolants and

Antirust

ASTM D1384

Standard Test Method for Corrosion Test for Engine

Coolants in Glassware

ASTM D2570

Standard Test Method for Simulated Service Corrosion

Testing of Engine Coolant

ASTM D2809

Test Method for Cavitation and Erosion Corrosion

Characteristics of Aluminum Pumps with Engine Coolant

ASTM D6210

Standard Specification for Fully Formulated Glycol Base

Engine Coolants for Heavy Duty Engines

p. 4 of 10 Effective Date: July 21, 2025

AGENCY

STANDARD

NUMBER

TITLE OF DOCUMENT

ASTM D4340

Standard Test Method for Corrosion of Cast Aluminum alloys in Engine Coolants Under Heat-Rejecting

Conditions

Cummins CES14603 Cummins Engineering Standard for Engine Coolant

3.0 Definitions and Abbreviations

°F Degrees Fahrenheit (Unit of Temperature)

ASTM American Society for Testing and Materials

DDC Development Document Control

OAT Organic Acid Technology

RP Recommended Practice

TMC

Technology and Maintenance Council (of the American

Trucking Association)

4.0 Requirements

A. The heavy-duty, fully formulated antifreeze/coolant shall be either Cummins

Filtration OAT antifreeze/coolant, item #CC3607400JXUSR or Valvoline ZEREX

HD Extended Life 50/50 Antifreeze/Coolant. Valvoline item #895514 Nitrite Free

Bulk, item #895624 Nitrite Free 55-gallon drum, and/or item #895626 Nitrite Free

275-gal tote. The antifreeze/coolant may not be recycled or reclaimed product. This antifreeze/coolant has been tested by DART and approved for use in fleets equipped with the ISL-G and L9N natural gas engines.

B. The antifreeze/coolant shall conform to the physical and chemical characteristics exhibited in Table 1.

C. The antifreeze/coolant shall have the ability to be utilized for a minimum of three

(3) years in buses under the weather conditions of -15°F to 115°F, like those found in Dallas, Texas.

1. A list of current users should be provided with the bid. Users are not limited to transit service, but transit service is preferred.

5.0 Verification

A. The supplier should provide to DART with the bid:

1. A copy of the Product Technical Data Sheet

p. 5 of 10 Effective Date: July 21, 2025

2. A Material Safety Data Sheet

B. Upon notification and request, a minimum eight (8) ounce sample of the product offered should be furnished to DART.

C. DART reserves the right to send a sample of the product to its independent lab for analysis and corroboration of the properties shown in the Technical Data Sheet.

6.0 Packaging

A. The product(s) shall be packaged to best industry practice to prevent damage during transit.

B. The packing slip shall include the DART purchase order number, manufacturer part number, manufacturer name and part description.

C. If delivered in bulk, the shipping Manifest shall include the information requested in 6.0-B above.

p. 6 of 10 Effective Date: July 21, 2025

Table 1 - Cummins OAT Antifreeze/Coolant General Properties

SPECIFICATION PERFORMANCE

STANDARD

PROPERTY

(NOTE 1)

Dilution Ratio [None] 50-50 mix

Color Visual Red

Specific Gravity at 60 Degree °F ASTM D1122 1.070

Density [None] 8.93 lb./gal pH (Undiluted Coolant) ASTM D1278 7.9

Reserve Alkalinity (Undiluted Coolant) 3.5 D1121

Boiling Point ASTM D1120 226 Degrees °F

Water by Weight ASTM D1123 47% maximum

Total Glycol by Weight [None] 51% minimum

SCA Units per Gallon [None] 2.0

Glassware Corrosion Test ASTM D1384 Pass

Aluminum Corrosion Test ASTM D4340 Pass

Simulated Service Test ASTM D2570 Pass

Aluminum Water Pump Test ASTM D2809 Pass

Silicates Spectroscopic Analysis None

Degradation Point ASTM D1287 7.2

Additive Package Composition N/A Proprietary

Note 1: Where maximum and minimum are not stated, properties may vary by the ASTM test method limits of repeatability and reproducibility.

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Table 2 - Valvoline ZEREX™ Antifreeze/Coolant Product

Information

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Table 3 - Parts List

Vendor Part # Description

Cummins CC3607400JXUSR Cummins Filtration OAT antifreeze/coolant (Bulk, 55-Gal

Drum, 275-Gal Tote)

Valvoline 895514 Zerex Heavy Duty Nitrite Free

Red ELC Ready-to-Use (RTU)

Bulk

Valvoline 895624 Zerex Heavy Duty Nitrite Free

Red ELC Ready-to-Use (RTU)

55-Gal Drum

Valvoline 895626 Zerex Heavy Duty Nitrite Free

Red ELC Ready-to-Use (RTU)

275-Gal Tote

Table 4 – Delivery Locations

Facility Location Address

East Dallas Bus Operating Facility 4127 Elm St. Dallas, TX 75226

Central Support Bus Facility 4209 Main St. Dallas, TX 75226

South Oak Cliff Bus Operating Facility 3422 East Kiest Blvd. Dallas, TX 75203

Northwest Bus Operating Facility 2424 Webb Chapel Ext. Dallas, TX 75220