Rejection of Bids 22.1. The ACCO may reject a Bid if: 22.1.1. The Bidder is determined to be not responsible pursuant to the PPB Rules; or if 22.1.2. The Bid is determined to be non-responsive pursuant to the PPB Rules; or if 22.1.3. Any of the Bid prices for lump sum or unit items are significantly unbalanced to the potential detriment of NYCDOT. An unbalanced Bid is considered to be a Bid containing lump sum or unit item prices which do not reflect reasonable actual costs plus a reasonable proportionate share of the Bidder’s anticipated profit, overhead costs and other indirect costs anticipated for the performance of the item in question. 22.2. The ACCO may reject all Bids and may elect to re-solicit by bid or by other method authorized by the PPB Rules.