The planned expansion of a Safeway store at 1701 Corcoran St. NW was temporarily blocked last week by the D.C. Board of Zoning Adustment (BZA), after neighbors complained that increased traffic from delivery trucks would aggravate existing traffic problems in the area.

Before approving the expansion, the board said Safeway would have to provide more detailed information on how it planned to control deliveries so that no more than two trucks at a time would be parked at the store.

"The store is a needed facility," said BZA member William F. McIntosh. "But if it's a bad neighbor we want to do all we can to make it a better neighbor."

At the same meeting, the BZA granted variances for a new office and retail building to be constructed by the Oliver T. Carr Company at 55 Ivy St. SE despite neighbors complaints that the building's parking facilities were inadequate.

The opposition, led by the New Jersey Avenue Association, claimed the proposed 224 parking spaces in the building would not be enough and that workers in the new building would park on neighborhood streets. Without a variance, the developer would have had to provide 317 spaces.

In other action, the BZA:

Denied the application of Hyman Zoslow for a variance to use property in a special-purpose zone at 1135 to 1147 10th St. NW as a parking lot.

Approved the application of Chris and Mary Calomiris for a variance from parking requirements to use a building in a residential zone, at 6640 Georgia Ave. NW, as a pre-school for 35 children, provided the owner encloses the rear yard.

Approved the application of Mr. and Mrs. Bernard Foullon for a variance to build an addition, to be used as a retail store and an apartment, to a building in a waterfront zone at 3206 Grace St. NW.

Approved for three years the application of John Dashtara for a special exception to convert the business at 3255 M St. NW to a family amusement center, provided there be no exterior flashing lights, that children under 12 be accompanied by adults, that no school children be admitted during school hours, and that hours of operation not exceed 10 a.m. through 10 p.m. Mondays through Saturdays and 1 p.m. through 9 p.m. on Sunday.

Approved the application of Christian Dutilh and Peter Schwartz for special exceptions to permit a development of 14 townhouses in a residential zone at 4400 Lingan Rd. NW.

Approved the application of Anthony and Eleanor Baker for variances from minimum lot requirements to construct a detached house in a residential zone at 4013 Fessenden St. NW.

Approved the application of Grace Episcopal Church for a special exception to use the second floor of a building in a waterfront zone at 1041 Wisconsin Ave. NW as a school, dance studio and theater, provided that it not operate after 10 p.m.

Denied the application of Rental Associates Inc. for a special exception to continue to operate a parking lot in a special-purpose zone at 435-437 H St. NW.

Approved until Dec. 31, 1980, the application of Christian Service Corps for a special exception to continue to operate a parking lot in a residential zone at 1522-24-26 Church St. NW.

Denied the application of Dunbarton Solar Joint Venture for a variance to use a house in a residential zone at 2820 Upton St. NW as a professional office.

Approved the application of Elinor . and Harry R. Sachse for variances to allow parking in the front yard and less that 10 feet from a dwelling in a residential zone at 2934 Newark St. NW.

Approved the application of Georgia Demas for a special exception to use the first floor of a building in a commercial zone at the rear of 1020 Bladensburg Rd. NE as an automobile repair garage, provided no body or fender work is done and provided no cars are stored outside or in public alleys or streets.

Approved the applications of Don Dailey for a variance from side yard requirements to construct an addition to an apartment house in a residential zone at 2149 California St. NW.

Approved for two years the application of Amazing Life Games PreSchool Inc. for a special exception to use the second floor of a building in a residential zone at 1844 Mintwood Place NW as a school for 18 children.