$web = Get-SPWeb http://localhost
	$actList = $web.Lists["Решения о согласовании"];
	$projList = $web.Lists["Хозяйственная деятельность"];
	$actItems = $actList.GetItems();

	foreach($act in $actItems){
		if($act["Project"].LookupId -ne $null){
			write-host "==========================";
			write-host "ID " $act["ID"];
			write-host "Проект " $act["Project"].LookupId;
			$proj = $projList.GetItemById([int32]$act["Project"].LookupId);
			$approverID = $proj["Approver"].split(";")[0];
			if($approverID -ne $null){
				$act["Approver"] = $approverID;
				$act.SystemUpdate();
			}
		}
	}