Normand P. Archambeault, 59, of 9 Friedel St., a Vietnam War veteran, died Sunday, March 17, 2002 in St. Mary Healthcare Center, after an illness.He left a stepson, Paul Melican of Portland, Maine; two daughters, Karin Rak of Lutherville, Md., and Kristen Tyson of Portland; two sisters, Marie Foster of Shrewsbury and Theresa Bailey of Hubbardston; five grandchildren; and his fiancee, Paula Jandrow, with whom he lived. A brother, Henry L. Archambeault of North Brookfield, died in 1987.    He was born in Worcester, son of Henry J. and Hazel M. (Lamprey) Archambeault, and graduated from Worcester Boys Trade School. He was an Army veteran of the Vietnam War.Mr. Archambeault was a dispatcher for M&M Transportation Co. and Sweetlife in Northboro. He enjoyed fishing, motorcycling and boating.   The graveside service was held at Worcester County Memorial Park, Paxton. Memorial contributions may be made to the Central Massachusetts Veterans Shelter, 69 Grove St., Worcester, MA 01605.