City held in Surrey stalemate but remain top of National League South.
Kabia and Harvey lead City home in testing TCS conditions.
City exit the FA Trophy after narrow Plainmoor reverse.
City make it eight games unbeaten with a first ever win at Welling.
Billy Palfrey's late strike sees the spoils shared in front of a record TCS crowd.
The Tinners extended their unbeaten run to six games with the spoils shared in Berkshire.
Kabia strikes late on to hand City a third consecutive home win.