Act 1913, May 1, P.L. 155, § 1 is also classified as 71 P.S. § 1618.
Hereafter in the preparation of specifications for the erection, construction, and alteration of any public building, when the entire cost of such work shall exceed four thousand dollars, it shall be the duty of the architect, engineer, or other person preparing such specifications, to prepare separate specifications for the plumbing, heating, ventilating, and electrical work; and it shall be the duty of the person or persons authorized to enter into contracts for the erection, construction, or alteration of such public buildings to receive separate bids upon each of the said branches of work, and to award the contract for the same to the lowest responsible bidder for each of said branches.
Every contract for the construction, reconstruction, alteration, repair, improvement or maintenance of public works shall comply with the provisions of the act of March 3, 1978 (P.L. 6, No. 3), known as the "Steel Products Procurement Act."
53 P.S. § 1003