Section 4
SEC. 4. The district engineer shall have general supervision over the construction, maintenance, and repair of all provincial public works in the provinces of the district to which he is assigned which exceed in estimated cost the sum of five hundred pesos, and over all contracts connected with such works, under regulations which shall be prepared by the Consulting Engineer to the Commission and approved by the Secretary of Commerce and Police. No contract for public works exceeding a cost of five hundred pesos shall he undertaken by a provincial board before the plans have been examined and approved by the district engineer. Upon request of any provincial board in his district, the district engineer shall make investigations and surveys of proposed construction or repair of public works, and shall submit to said provincial board reports and estimates of the cost of construction or repair of such proposed works with his recommendations, and the shall, when necessary, prepare plans and specifications for such public works as may he required by the provincial board. It shall be the duty of the district engineer, by agreement with the president of each municipality, to fix the territory within which the duty of repairing, constructing, and maintaining roads, bridges, and ferries shall fall upon the municipal government and that in which such duty shall fall upon the provincial government, and in case of disagreement the issue shall be settled by reference to the provincial board, whose decision shall be final.