impl as , ▁the ▁position ▁was ▁originally ▁called ▁O uv rage ▁de ▁la ▁Made le ine . ▁While ▁it ▁was ▁a ▁prototype ▁for ▁later ▁work , ▁it ▁is ▁not ▁entirely ▁typical ▁of ▁Mag in ot ▁fort ifications , ▁with ▁large ▁exp ans es ▁of ▁wall ▁arm ored ▁with ▁ 2 0   cm ▁steel ▁plate ▁and ▁other ▁sections ▁over la id ▁with ▁stone ▁m ason ry . ▁The ▁construction ▁encountered ▁problems ▁with ▁soil ▁consist ency ▁and ▁water ▁in fil tr ation . ▁The ▁under ground ▁portion ▁of ▁the ▁ouv rage , ▁containing ▁the ▁am mun ition ▁mag az ines , ▁living ▁qu arters , ▁command ▁spaces , ▁generating ▁plant ▁and ▁communication ▁gall eries ▁between ▁the ▁combat ▁blocks ▁covers ▁three ▁levels . ▁ ▁R impl as ▁stands ▁on ▁a ▁prominent ▁height ▁above ▁the ▁T in ée ▁and ▁Val de bl ore ▁valle ys ▁before ▁their ▁streams ▁join ▁to ▁form ▁the ▁river ▁Var . ▁It ▁is ▁supported ▁by ▁the ▁pet its ▁ouv rages ▁of ▁F ress iné a ▁and ▁Val de bl ore , ▁all ▁planned ▁to ▁control ▁the ▁approaches ▁to ▁Nice ▁along ▁the ▁Var . ▁ ▁Work ▁began ▁in ▁November ▁ 1 9 3 0 ▁and ▁was ▁completed ▁in ▁April ▁ 1 9 3 4 , ▁initially ▁performed ▁by ▁a ▁contract or ▁named ▁Far aut ▁and ▁completed ▁by ▁Cont esso , ▁at ▁a ▁cost ▁of ▁ 3 4 . 2 ▁million ▁fran cs , ▁including ▁ 1 . 7 ▁million ▁fran cs ▁for ▁the ▁aer ial ▁tram . ▁The ▁final ▁cost ▁was ▁four ▁times