Y--NV-DESERT NWR-IRRIGATION INSTALLATION

Amendment / Modification

• Extends the proposal due date by ten (10) business days to allow Offerors more time to prepare and submit complete proposals.

• All other terms and conditions of the original solicitation remain unchanged.

• Proposal due date.

• The deadline for submitting quotes has been extended. The original quote due date was March 27, 2026, and the new due date is April 20, 2026.

Solicitation / RFP / RFQ

This solicitation is for a Firm-Fixed Price (FFP) contract for Irrigation Installation services at the Corn Creek Orchard Restoration Area, within the Desert National Wildlife Refuge, Las Vegas, Nevada. The project involves planning and installing deep-water and drip irrigation systems for a 2.3-acre site.

• Planning and installation of deep-water and drip irrigation systems.

• Project site: Corn Creek Orchard Restoration Area, Desert National Wildlife Refuge, Las Vegas, Nevada.

• Contract Type: Firm-Fixed Price (FFP).

• Period of Performance: 04/15/2026 to 05/30/2026.

• Delivery Date: 05/30/2026.

• Offers are due by 03/27/2026 at 1400 hours (local time).

• Offers must be submitted to the address specified in Item 8.

• Sealed envelopes containing offers must be marked with the offeror's name and address, solicitation number, and due date/time.

• Offers providing less than 60 calendar days for Government acceptance will be rejected.

• Performance and Payment Bonds are required within 10 calendar days after award.

• NAICS Code: 237110.

• Small Business Size Standard: $45M.

• The document references various small business categories and certifications, including HUBZone, EDWOSB, WOSB, SDVOSB, and veteran-owned small businesses.

• Bidders are instructed to review the entire solicitation packet, including the announcement and Statement of Work (SOW) and attachments.

• The solicitation includes numerous FAR provisions and clauses related to representations, certifications, labor standards, and other contractual requirements.

Statement of Work (SOW)

To plan and install deep-water and drip irrigation systems for a 2.3-acre historic orchard area at the Desert National Wildlife Refuge (DNWR) in Las Vegas, Nevada, to enhance habitat quality.

• Install a deep-water irrigation system for 50 mature trees using 1½” SCH40 PVC pipe and emitter tubing.

• Install a drip irrigation system for approximately 35 newly planted trees, seven pollinator patches, and plants in the berm area using 1” SCH40 PVC pipe and emitter tubing or shrubblers.

• Connect to existing two-inch water system - RainBird electric valves.

• Trenches for burying irrigation pipe must be dug with hand tools.

• Contractor is responsible for providing all necessary labor, equipment, PVC pipe, fittings, tubing, connectors, emitters, and shrubblers.

• Contractor is responsible for transportation to the work site.

• Irrigation systems must deliver uniform and adequate water distribution.

• Drip irrigation for pollinator plants and berm area requires adjustable shrubblers emitting 1 to 10 gallons per hour.

• All work must comply with Attachment 1, General Requirements & Specifications.

• Systems require pressure testing for integrity and proper operation.

• Period of Performance: April 15, 2026 – May 30, 2026 (or within 45 calendar days of Notice to Proceed).

• Location: Desert National Wildlife Refuge, 16001 Corn Creek Road, Las Vegas NV 89124-8402.

• Contractor must be familiar with RainBird systems and components.

• Mandatory in-person pre-bid meeting and site walkthrough required.

• Contractor must submit a detailed project execution plan and conduct weekly coordination meetings.

• Irrigation equipment and materials require inspection and approval prior to installation.

• A comprehensive closeout package is required upon completion.

Form / Attachment / Pricing Sheet

This document outlines the "Specification Sheet" for a Deep-Water and Drip Irrigation System Installation, detailing the "Meet or Exceed" requirements for system components.

• Irrigation System Components: Lists specific equipment types, their descriptions, estimated quantities, and detailed notes/specifications.
  • Main Trunk Lines: Includes 1½" and 1" SCH40 PVC pipe requirements for deep-water irrigation and drip irrigation, specifying burial depth and connection to RainBird electric valves.
  • Emitter Tubing: Requires flexible tubing for water delivery, with specific notes on brand (RainBird FXS or equivalent), burial depth, and layout around mature trees.
  • Polyurethane Tubing: Specifies tubing for drip irrigation in berm areas, with quantities for both 3/4" and 1/4" poly tubing.
  • Emitters / Shrubblers: Details adjustable irrigation emitters with flow rates and their use in berm areas.
  • PVC Fittings & Connectors: Requires fittings compatible with SCH40 PVC and emitter tubing.
  • Tools and Equipment: Mandates that all trenching be done by hand tools only, with no heavy machinery permitted on site.

This specification sheet is critical for bidders to understand the exact materials, quantities, and installation methods required for the irrigation system. It directly impacts material procurement, cost estimation, and the execution of the installation work, particularly regarding the type and specifications of pipes, tubing, emitters, and the prohibition of heavy machinery for trenching.

Form / Attachment / Pricing Sheet

This document, "Attachment #2 Map & Legend," provides a visual representation and key for understanding the proposed irrigation system and plant locations within the Orchard Restoration Area. It serves as a critical reference for bidders to interpret the scope of work related to the installation or modification of an irrigation system and the placement of various types of trees.

• Map: An aerial view of the Orchard Restoration Area showing existing structures, solar panels, a water body, and the proposed layout.
• Legend: Defines the symbols and colors used on the map:
  • Valve Box (Red Square)
  • 1.5 inch line (Red Line)
  • 1 inch line (Blue Line)
  • Large Trees (Red Circle)
  • Medium Trees (Blue Circle)
  • Small Trees (Yellow Circle)
  • New Trees (Green Circle)
• Scale: Includes a scale bar indicating 0.01 and 0.03 miles.
• North Arrow: Indicates the orientation of the map.

This attachment is essential for bidders to understand the physical layout of the work area, the specific locations and types of plants to be considered, and the proposed design of the irrigation system, including pipe sizes and valve box placements. It directly informs the planning, execution, and pricing of any related contract requirements.