Change Order #2 in the amount of $164,340 continued construction of the
western wail into the Phase [/Stage [I] landfill up to an elevation of 266 feet.
Change Order #3 in the amount of $291,932 allowed for initial construction of
the eastern setback barrier wall, and continued construction of the western setback
wall to an elevation 268 feet. To construct the eastern setback wall, NEM
established the compacted soil foundation over the primary liner drainage sand
and placed concrete waste blocks on the foundation up to elevation 258 feet.
Change Order #4 in the amount of $199,763 continued construction of the
western setback wall from elevation 268 feet to elevation 276 feet. The change
order also included the purchase of 250 extra blocks to be used in the next phase
of wall construction.
Change Order #5 in the amount of $83,392 continues construction of the eastern
setback wail from the existing elevation of 258 feet to elevation 276 feet. The
height increase is needed to keep pace with waste filling activities in the Phase I!
landfill. This phase of wall construction will utilize the extra 250 concrete blocks
purchased under Change Order #4.
It is the recommendation of the Solid Waste Superintendent tc continue
construction of the Set Back Barrier Wall with NEM. They have provided
reasonable, consistent pricing and quality construction services for each
completed phase of this project. Upon approval of Change Order #5 the total
cost of the contract is $1,067,066.
