A04_SOW.pdf

STATEMENT OF WORK

Havasu National Wildlife Refuge (NWR) Pintail Slough Concrete Canal Repair

Lake Havasu National Wildlife Refuge Complex Parker, Arizona

July 2021

BACKGROUND

The Refuge stations of the Lake Havasu Refuge Complex include Bill Williams NWR and Havasu NWR. Pintail Slough Management Unit is located at the northern most end of Havasu NWR within Mohave County, Arizona.

DESCRIPTION OF PROJECT NEEDS

Notes:

Havasu NWR Complex manages a 323-acre management unit for public hunting known as Pintail Slough. Pintail slough is flood irrigated using the 6000 (LF) Pintail Slough concrete canal. The canal is used to flood the hunt management unit during the winter waterfowl season, and to flood the riparian areas throughout the year.

The concrete canal has been deteriorating due to age and weathering.

Place and Period of Performance: All construction related work is located at Pintail Slough near Fort Mohave, Arizona. All work must be complete no later than 02/28/2022.

Scope of Work:

1. Contractor will replace (10) broken concrete canal panels, concrete panels measurements are 10’ L x 6’ W x 2” H with adequate rebar to prevent future panel cracking. Removed broken concrete panel debris will be staged at an area selected by refuge staff. Refuge staff will mark broken panels for replacement.

2. Contractor will replace (7) slide gates furnished by the government within pintail slough concrete canal. Contractor will also replace (3) turn gates, and

(2) jack gates furnished by the government within the pintail slough concrete canal system. Refuge staff will mark canal gate locations.

3. Contractor will remove and replace approximately 300 (LF) of 18”-36” diameter metal pipe provided by the government.

4. The replacement includes removing old frame, slide gate, locking mechanism and irrigation pipe. Irrigation pipes are 20’ corrugated pipe joints, contractor will unearth old pipping and replace it with new corrugated pipping supplied by refuge staff. Refuge staff will dispose of old debris such as frames, gates and piping.

Government Furnished Materials

1. 300 (LF) of corrugated metal piping from 18” to 36” diameter

2. Seven metal slide gates

3. Three metal turn gates

4. Two metal jack gates

PROJECT CONTACT:

Richard Meyers, Havasu Refuge Manager 317 Mesquite Avenue Needles, CA 92363 Phone: (760) 326-3853 Fax: (760) 326-5745