  Removal energies and hyperfine constants of the lowest four $ns, np_{1/2}$
and $np_{3/2}$ states in Na, K, Rb and Cs are calculated; removal energies of
the n=7--10 states and hyperfine constants of the n=7 and 8 states in Fr are
also calculated. The calculations are based on the relativistic single-double
(SD) approximation in which single and double excitations of Dirac-Hartree-Fock
(DHF) wave functions are included to all-orders in perturbation theory. Using
SD wave functions, accurate values of removal energies, electric-dipole matrix
elements and static polarizabilities are obtained, however, SD wave functions
give poor values of magnetic-dipole hyperfine constants for heavy atoms. To
obtain accurate values of hyperfine constants for heavy atoms, we include
triple excitations partially in the wave functions. The present calculations
provide the basis for reevaluating PNC amplitudes in Cs and Fr.
