Use Class H concrete with a minimum ${f_{ci}}^{\text{'}}$
= 4.0 ksi and ${f_c}^{\text{'}}$
= 5.0 ksi and a maximum ${f_{ci}}^{\text{'}}$
= 6.0 ksi and ${f_c}^{\text{'}}$
= 8.5 ksi. Any exceptions to these limits must be approved in writing by the TxDOT Bridge Division.

Use prestressing strand with a specified tensile strength, $f_{pu}$
of 270 ksi.