...and/or performance guarantees (surety documents) on various bids and contracts in ... The City may also elect to require surety documents for other contracts...
http://www.sanantonio.gov/hr/admin_directives/cosa/ads/Revis...

This book presents the complex field of suretyship for construction contracts by describing and analyzing each element of the surety bonding process in basic terms. Russell unravels the suretyship puzzle through numerous examples and extended case studies drawn from real-world experience. Sample bond forms and surety documents, as well as an extensive glossary of key terms, serve to further illustrate each step of the bonding process.
http://www.asce.org/Product.aspx?ID=2147485570&ProductID=508...