ATT A - Scope of Work 69CRC-S3987.pdf

Attachment A

Scope of Work

COLORADO RIVER COMMISSION OF NEVADA

High Voltage System

Engineering Services

SCOPE OF WORK

AUGUST 2026

REVISION 0

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Revisions

REVISION DESCRIPTION DATE

0 INITIAL ISSUE 08/31/2026

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Table of Contents

01 00 00 – GENERAL REQUIREMENTS

01 11 00 - SUMMARY OF WORK

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01 00 00 – GENERAL REQUIREMENTS

01 11 00 - SUMMARY OF WORK

1. Objective

a. The Colorado River Commission of Nevada (CRCNV, Owner) Power Delivery

Group (PDG) is looking for qualified substation and transmission line engineering services contractors for requesting engineering support services from the Contractor on an as requested basis.

2. Scope of Work

a. NRS 333.700(8)(b) authorizes state departments and agencies to contract for any work of construction or major repairs of state buildings without approval from the Board of Examiners if the contracting process is controlled by the rules of competitive bidding.

b. The Colorado River Commission of Nevada, pursuant to NRS 538.161, negotiates and contracts for the planning, development or ownership of any facilities for the generation or transmission of electricity for the greatest possible benefit to this State.

c. This scope of work covers the ability to use a contractor for the purpose of maintaining the Colorado River Commission of Nevada’s high voltage transmission and substation public works assets.

d. The services to be performed by the vendor consist of engineering, drafting, and analysis, as may be required from time to time, for (1) the routine operation and maintenance of a high voltage transmission and distribution system, or (2) the upgrade, repair or extension of a high voltage transmission and distribution system.

e. Contractor should be willing and capable of providing at a minimum the following services:

i. General

1. Preparation of designs and specifications for replacement, repair, modification, upgrade or extension projects;

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2. Large scale multi discipline work to assist in Capital project development and execution for new facilities to the system.

3. Preparation of cost estimates for incorporation in CRCNV budgeting processes for future execution of work.

4. Drawing support to assist with field marks, new drawing creation, moving to new drawing management systems, etc.

ii. Substation

1. Operations and maintenance related projects such as breaker replacements, relay replacements, SCADA I/O upgrades and replacements, etc.

2. Preparation of spill prevention and counter control plans for substation oil containing equipment;

iii. Transmission

1. Operations and maintenance related projects such as OPGW fiber replacement, re-conductoring, structure analysis and replacement, etc.

2. Preparation of right-of-way encroachment analysis, including phase-to-phase clearance requirements from planned third party transmission lines.

3. Preparation of transmission structure re-location designs;

iv. Distribution

1. Preparation of right-of-way encroachment analysis, including phase-to-phase clearance requirements from planned third party distribution lines.

2. New or updated distribution drop designs, structure analysis and recommendations, etc.

3. Preparation of distribution structure re-location designs;

v. Networking and Automation

1. Supervisory and data acquisition control system programming

a. Survalent SCADA System

b. SEL Relay and SCADA Aggregation System

c. Legacy ABB Relaying

d. Legacy Schneider Modicon PLC System

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e. Legacy Wonderware SCADA System

2. Communication system planning and analysis, including preparation of microwave signal interference studies.

3. Networking upgrade designs, switch replacements and upgrades, SONET ring upgrade designs, etc.

vi. System Coordination and Protection

1. Preparation of fault duty studies, relay coordination studies, load flow studies and other similar type system studies needed to effectively monitor and control the electric system;

2. Analysis of fault data and relay target data to identify the causes of various relay operations;

3. Preparation of relay settings for various relay types, line, transformer, feeder, etc.

vii. Studies and Strategic Planning

1. Preparation of standard operating procedures, preventative maintenance programs, site security reviews and emergency response plans;

3. Required Deliverables

a. Determined during project planning phase and to be included in contractor proposal, examples below:

i. Plan Drawings

ii. Plan and Profile Drawings

iii. Schematics

iv. Wiring Diagrams

v. Detail Drawings

vi. Cable Schedules

vii. Bill of Materials

viii. Surveying Documents

ix. Reports

x. Relay Settings and networking configuration files in applicable file format

4. Work by Owner

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a. The CRCNV will perform all switching at substation facilities in support of the

Work by the Contractor.

b. The CRCNV will provide reasonable access to the transmission and distribution facilities, 7:00 a.m. to 5:00 p.m., Monday through Thursday during periods which work has been scheduled.

c. The CRCNV, subject to availability, may provide a designated area for

Contractor’s use to store tools, equipment and materials as indicated in a written Purchase Order.

d. The CRCNV will provide drawings and technical data related to its transmission and distribution system to the Contractor as necessary in order for the Contractor to perform the Work. Copies of documents obtained pursuant to this Contract shall be returned to the CRCNV upon termination of this

Contract.