Weather Limitations. Place the overlay during favorable weather conditions. When the atmospheric temperature is expected to exceed 85 °F (29 °C) during daylight hours, schedule work hours that insure complete placement by 10:30 a.m. Do not schedule placement when wind velocity is expected to exceed 20 mph (32 km/hr) or when rain is expected. The minimum acceptable temperature of concrete at the point of delivery is 50 °F (10 °C). Keep overlay concrete at a temperature above 50 °F (10°C) for at least 72 hours after placement.
Appears in 1 contract
Sources: Advertised Contract Amendment
Weather Limitations. Place the overlay during favorable weather conditions. When the atmospheric temperature is expected to exceed 85 90 °F (29 32 °C) ). during daylight hours, schedule work hours that insure complete placement by 10:30 a.m. Do not schedule placement when wind velocity is expected to exceed 20 mph (32 km/hr) or when rain is expected. The minimum acceptable temperature of concrete at the point of delivery is 50 70 °F (10 20 °C). Keep overlay concrete at a temperature above 50 70 °F (1020°C) for at least 72 24 hours after placement.
Appears in 1 contract
Sources: Amendment to Advertised Contract