(a) 
The Standard Specifications for Public Works Construction - North Central Texas, third edition, is adopted as the specifications for street, storm drainage, water and wastewater projects carried out within, by or for the city. As formal amendments are developed by the public works council and adopted by the North Central Texas Council of Governments Executive Board and published, they shall be included and substituted in the specifications adopted hereby, and shall thereafter have the force of law, the same as if originally adopted hereby, provided that any new edition or republication of such standard specifications shall be adopted by amendatory ordinance of the city.
(b) 
Said specifications shall be modified only so far as necessary to meet local requirements and/or site specific conditions.
(1991 Code, sec. 3.1300)