Murray's tentative city budget for the 1988-89 fiscal year includes a 4.4 percent raise for city employees and a substantial increase in the police budget, including funds to purchase of six new police cars.

Mayor LaVarr McMillan submitted his tentative budget to the City Council Tuesday night. The council will meet to make some changes this week before beginning a series of public hearings on the $10.7 million budget.Revenues are expected to increase next year by $230,000, with increases expected in sales tax, property tax and service fees.

Among the departments and categories receiving budget increases are police, $297,000; fire department, $85,000; parks and recreation, $96,000; development, $5,000, and debt service, $4,000.

The public works department and general government face cutbacks of $250,400 and $6,700, respectively.

Next year, the city will spend $845,000 on road construction projects, $120,000 on the purchase of a street sweeper, $84,000 on police cars, $42,000 to replace fire equipment, $60,000 for a rest room in the amphitheater and $70,000 for Jordan River Parkway improvements.

The operation and maintenance budget for the power fund shows a 1 percent decrease from this year's budget. Major capital power projects for next year are: extension of lines, $250,000; reconstruction of the central substation, $800,000; Vine Street substation, $550,000; traffic signals, $90,000, and transformers, $80,000.