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425 CONTRACTS REQUIRING FORMAL BIDS The County Manager's Office is responsible for obtaining formal bids even when the bid documents are prepared by an architectural or engineering firm. The formal bidding procedure is initiated by the using department filing a request with the County Manager. Contracts that require the use of the formal bid procedure are: bo Construction or repair work requiring the estimated expenditure of $50,000 or more. The purchase or lease-purchase of materials, equipment, or supplies requiring an estimated expenditure of $20,000 or more. Except: a. For purchases of gasoline, diesel fuel, alcohol fuel, motor oil or fuel oil. These may be purchased after receiving informal bids, regardless of the size of the expenditure. In cases of special emergency involving the health and safety of the people or their property. If the contract is with a governmental unit. If it is a construction project that will not cost more than $75,000 and the work is to be done by the County personnel. Dividing contracts in order to evade these provisions is prohibited by law. PREPARING SPECIFICATIONS For a building contract requiring the expenditure of $100,000 or more, separate specifications must be prepared for the following branches of work: 1. Heating, ventilating, air conditioning and accessories (separately or combined into one conductive system) and /or refrigeration for cold storage (where the cooling load is 15 tons or more of refrigeration); 2. Plumbing and gas fittings and accessories; 3. Electrical wiring and installations; and 4. General work relating to the erection, construction, alteration, or repair of any building referred to above for which work is not included in the above-listed three branches. Separate bids must be received on each branch of work, and the contract for each branch must be awarded to contractors regularly engaged in their respective line of work. Projects may be further divided and separate contracts let for other categories of work. When the estimated cost of the work to be performed in any single branch is less than $10,000, the same may be included in the contract for one of the other branches of work, irrespective of total project cost. Separate bids are not required for the purchase and erection of relocatable or prefabricated building except for the portion of work done at the construction site. The County also has the option to use the single-prime contract system and prequalify bidders for all construction contracts. The County will use this option when it is deemed the most beneficial to the project being undertaken. If this system is chosen, bids will be accepted under the same conditions as listed above and the contract will be awarded to the lowest responsible bidder or bidders for the total project. For this single prime contract system, all bidders must identify on their bid the contractors they have selected for the branches of work for: 1. Heating, ventilating, and air conditioning; 2. Plumbing; 3. Electrical; and 4. General MINORITY PARTICIPATION IN BUILDING CONTRACTS It is the policy of the Cabarrus County Board of Commissioners to provide minority persons equal opportunity to participate in all types of county contracts for the construction, renovation or repair of county facilities.