  Soft pp interactions are considered in the framework of the phenomenological
model with color strings formation. Under the assumption, that the elementary
collision is realized as interaction of two color dipoles, the total inelastic
cross section and the multiplicity of the charged particles are estimated and
used for the parameters fixing. The special attention is given to the modelling
of exclusive parton distributions taking into account the energy conservation
and fixing the mass center that is necessary for the description of
correlations, corresponding Monte Carlo procedures are developed for an
arbitrary number of partons in a hadron. The string fusion algorithm in a
cross-section plane is developed taking into account the finite rapidity width
of strings. In this framework the influence of string fusion effects on
long-range correlations of charged particles are estimated. The proposed
algorithms are planned to be used for studying of heavy ion collisions.
