일위대가표와  TVS1,2,3의 단가, 콘크리트 물량산출시 공제되는 부피는? 
TVS의 종류가 3종류가 있는데 콘크리트 물량 산출시 공제되는 부피는 어떻게 봐야되나요?
전체적인 물량산출과 견적대비를 통해서 경제성 여부를 확인하고 싶은데 단가와 부피계산이 애매하네요?