309 r 96 - guide for consolidation of concrete 309.3 r 92 - guide to consolidation of concrete in congested 309.2 r 98 - identification and control visible effects of co 309.1 r 93 - behavior of fresh concrete during vibration 308 92 standard practice for curing concrete (reapproved 1 308.1 98 sandard specification for curing concrete 306.1 90 standard specification for cold weather concretin 304 r 89 - guide to measuring, mixing, transporting and placi 304.6 r 91 - guide for the use of volumetic-measuring and con 304.5 r 91 - batching, mixing, and job control of lightweight 304.4 r 95 - placing concrete with belt conveyors 304.3 r 96 - heavyweight concrete measuring, mixing, transpor 304.2 r 96 - placing concrete by pumping methods 303 r 91 - guide to cast-in place architectural concrete prac 303.1 97 standard specification for-cast-in-place architec 
