CHAPTER 4:  PUBLIC PROJECTS; PURCHASING AND CONTRACTING
ARTICLE I.  GENERAL PROVISIONS
   4-1.   Definitions
   4-2.   Purpose
   4-3.   Purchasing agent
   4-4.   Conflict
   4-5.   Exemptions
   4-6.   No obligation to contract
ARTICLE II.  PUBLIC PROJECTS
   4-10.   Uniform Public Construction Cost Accounting Act
   4-11.   Bids required
   4-12.   Tier 1 public projects
   4-13.   Tier 2 public projects
   4-14.   Tier 3 public projects
   4-15.   Rejecting all bids
   4-16.   Bonds
   4-17.   Contracts
   4-18.   Task orders
   4-19.   Change orders
   4-20.   Emergencies
ARTICLE III.  SUPPLIES AND EQUIPMENT
   4-30.   Applicability
   4-31.   Bids required
   4-32.   Brand and trade names
   4-33.   Informal solicitation
   4-34.   Formal solicitation
   4-35.   Publication
   4-36.   No responsive bids
   4-37.   Receipt or rejection of bids
   4-38.   Purchase orders and contracts
   4-39.   Purchase orders pursuant to contract
   4-40.   Change orders
   4-41.   Urgency
ARTICLE IV.  TRADE AND PROFESSIONAL SERVICES
   4-50.   Applicability
   4-51.   [Reserved for living wage policy]
   4-52.   Bids or proposals required
   4-53.   Brand and trade names
   4-54.   Informal solicitation
   4-55.   Formal solicitation
   4-56.   Publication
   4-57.   Receipt or rejection of bids or proposals
   4-58.   Contracts
   4-59.   Task orders
   4-60.   Change orders
   4-61.   Urgency
ARTICLE V.  ADDITIONAL PROCEDURES
   4-70.   Regular reporting
   4-71.   Small local business purchasing preference program
   4-72.   Annual authorization
   4-73.   Approval as to form
   4-74.   Contract term
   4-75.   Immediate need
   4-76.   Real property
   4-77.   Credit cards
ARTICLE VI.  SALE OF SUPPLIES, EQUIPMENT AND SERVICES
   4-80.   Sale of supplies, equipment and services