1 Higher end doors that are taller than 12 feet can cost upwards of $3,000. 2  To have a contractor install the sliding door, the installation prices alone can cost anywhere from $500 to $1,500. Another factor that is needed to be considered for the price of the item is the quality of the door as well as the thickness of the glass. 2  Sliding doors consist of several parts that need to be installed in the house. 3  On average, plan on spending anywhere from $500 to as much as $3,000 for the door itself.
provision. An article, clause, or stipulation in an agreement, contract, deed, instrument, or statute that explains a specific condition, effect, implication, qualification, or requirement. See also proviso.
(December 2010). The term  no-bid contract  is a popular phrase for what is officially known as a  sole source contract  which means that there is only one person or company that can provide the contractual services needed, so any attempt to obtain bids would only result in that person or company bidding on it.evertheless, U.S. law permits the government to award sole source contracts under specified circumstances (48 CFR Ch. 1, Part 6) but no-bid contracts are illegal under European Union commissioning law.