All correspondence must be made through the Vendor Portal. Specifications include, but are not limited to: : Intent of this solicitation is to procure concrete bin blocks (a generic term for interlocking, stackable concrete blocks, e. g. ecology blocks, lug blocks, mafia blocks, knob blocks, v-blocks, waste blocks, and storage blocks), to construct six material bins with inside dimensions of 14’X24’X4’ high bins or 15’X 25’X5’ high material bins (depending on which block size is used). We will provide a loader and operator to receive and offload the blocks. The bin blocks come in various sizes: 2′ H x 2′ W x 6′ L (Full Block). Weight: Approx. 3,600 lbs. 2’H x 2’W x 3′ L (Half Block) Weight: Approx. 1,800 lbs. 2.5’H x 2.5’W x 5’L Weight: Approx. 4,700 lbs. 2.5’H x 2.5’W x 2.5’L Weight: Approx. 2,400 lbs.