1983 г. 158с.
Purpose and scope. This manual provides
guidance for the planning, design, supervision, con-
struction, and operation of dewatering and pressure
relief systems and of seepage cutoffs for deep excava-
tions for structures. It presents: description of various
methods of dewatering and pressure reliefi techniques
for determining groundwater conditions, characteris-
tics of pervious aquifers, and dewatering require-
ments; guidance for specifying requirements for de-
watering and seepage control measures; guidance for
determining the adequacy of designs and plans pre-
pared by contractors; procedures for designing, install-
ing, operating, and checking the performance of de-
watering systems for various types of excavations; and
descriptions and design of various types of cutoffs for
controlling groundwater.
Purpose and scope. This manual provides
guidance for the planning, design, supervision, con-
struction, and operation of dewatering and pressure
relief systems and of seepage cutoffs for deep excava-
tions for structures. It presents: description of various
methods of dewatering and pressure reliefi techniques
for determining groundwater conditions, characteris-
tics of pervious aquifers, and dewatering require-
ments; guidance for specifying requirements for de-
watering and seepage control measures; guidance for
determining the adequacy of designs and plans pre-
pared by contractors; procedures for designing, install-
ing, operating, and checking the performance of de-
watering systems for various types of excavations; and
descriptions and design of various types of cutoffs for
controlling groundwater.