21. (Recommended by Senior Assistant General Manager – Power System Construction, Maintenance, and Operations) (Approved by General Manager and Chief Engineer) Approval of Contract Nos. 142A, 142B, and 142C for Furnish, Deliver, and Pick Up Heavy Trucks and Trailers, on a Fully-Maintained, As-Needed, Bare Rental Basis with Ahern Rentals Inc.; United Rentals (North America), Inc.; and Nesco, LLC, for a term of three years and an amount not to exceed $20,782,294. Determine item is exempt pursuant to CEQA Guidelines Section 15378(b)(4).