COACH Graham Stickler hailed his Wootton Bassett title-chasers as they stayed on Frome's heels in Southern Counties South with this home success.
"The lads felt they hadn't done themselves justice against Supermarine in the cup last week, despite the win, and worked hard all week to put it right," he said.
Stickler added: "I was so impressed with the power we displayed and the way we dominated."
The victory completed a league double over Dorchester and the hosts started impressively.
Three minutes in, the pack destroyed their opponents in the first scrum of the game and fly-half Parker combined with centre Mike Dixon to score.
Tim Gallimore converted, but Dorchester landed a penalty a few minutes later to cut the deficit.
Dorchester grabbed the lead when a slip allowed them a converted try but on the half-hour Bassett were back on top, Parker again touching down after a neat side-step and another power-packed scrummage.
Dorchester moved to within a point with a penalty in the second half, but roared on by a large crowd, the nerves were calmed when the forwards drove their opponents back to allow second row Flo Vialan to claim the crucial third try.
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