The Contractor will provide 17 standard portable chemical toilets at designated check structures along the California Aqueduct and within the jurisdictional areas of the San Joaquin Field Division. The units will be equipped with tank vents, building vents, seat covers, seat cover holders, toilet paper, and toilet paper holders. DWR may increase or decrease the number of toilets throughout term to meet operational needs. The Contractor will provide free-standing hand wash stations at designated check structures along the California Aqueduct and within the jurisdictional areas of the San Joaquin Field Division wherever a portable chemical toilet has been placed. The units will be equipped with paper towels, hand soap, and a minimum 20-gallon fresh water tank. DWR may adjust the number of hand wash stations throughout term to meet operational needs. The Contractor will provide standard portable chemical toilets for special events and priority work in remote areas of the San Joaquin Field Division on an as-needed basis throughout the term of this agreement. The Contractor will provide handicap-accessible portable chemical toilets for special events and priority work in remote areas of the San Joaquin Field Division on an as-needed basis throughout the term of this agreement. The Contractor will provide free-standing hand wash stations for special events and priority work in remote areas of the San Joaquin Field Division on an as-needed basis throughout the term of this agreement. The Contractor will provide self-contained restroom trailers, with internal water, air conditioning, and designation for both men and women in remote areas of the San Joaquin Field Division on an as-needed basis throughout the term of this agreement. Trailer must have separate facilities for men and women, and be able to accommodate total of 4, or 8 depending on size requested.