Replace Failing Wawona Campground Restroom Leachfields with Connection to Wawona YOSE 197065

Amendment 0007 extends the closing date to 8:00am MT 8/30/19.

Amendment 0006 provides the fiber cut sheet.

Amendment 0005 provides questions and answers recieved after amendment 0003.

Amendment 0004 extends the closing date to 2:00pm MT August 29, 2019..

Amendment 0003 provides questions and answer received after amendment 0002 was posted..

Amendment 0002 provides the site visit attendees, questions and answers, and the soil/geotechnical report..

Solicitation Posted see attached documents..

Type of contract: Firm Fixed Price.

The National Park Service (NPS), Department of Interior, is seeking responses from construction contractors who have the capability and interest in a single construction contract to replace the 6 saturated and failing Wawona Campground restroom sewage disposal leachfields with a new connection to the existing Wawona wastewater system and wastewater treatment plant. This project is located at the Wawona Campground and one mile along Wawona Road (from the Wawona Campground Entrance to the Main Central Lift Station located on Chilnualna Falls Road approximately 250 feet from the intersection of Wawona Road and Chilnualna Falls Road)

Details: The work includes, but may not be limited to:
1. The installation of 6-inch sewer gravity lines and 2 to 3-inch sewer force mains.
2. Installation of small sewer pump station and associated controls and communication.
3. Installation of 4-inch HDPE water main.
4. Installation of open cut trenching sewer replacement of collector mains and service laterals;
5. Use of horizontal directional drilling techniques;
6. Installation of electrical (12 kV, 480v 3-phase, 120v single phase) and communication line
7. New manhole construction, and rehabilitation of existing manholes, including epoxy lining manhole repairs;
8. Abandonment of existing sewer mains and laterals and filling with cement grout slurry;
9. Demolition, replacement, and specific rehabilitation of facilities related to existing septic tanks.
10. Roadway re-apshalt and driveway approach construction;
11. Revegetation and surface restoration; SWPPP BMPs, and tree and resource protection, as required.
The contractor will be required to:
• Provide and maintain a construction schedule, and manage and coordinate a project sequencing plan, and coordinate with park staff and neighborhood residents,
• Develop a Health and Safety Plan and Quality Control Program, per the project documents,
• Procure all required third-party testing, and
• Develop and provide as-constructed drawings, and create operations and maintenance data.

Magnitude of Construction Estimated Price Range: $5,000,000 to $10,000,000

Estimated Period of Performance: 240 days

Proposal receipt date is not known at this time. The actual date will be established in the solicitation documents

A pre-proposal meeting may be posted and date/location will be noted in the solicitation.

This procurement is unrestricted

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