This section supplements the provisions of §§ 5–101 through 5–107 of this title and does not supersede or impair those provisions. Before December 1 of each odd–numbered calendar year, the Montgomery County Board shall prepare and submit to the Montgomery County Executive a 6–year capital improvements program. The capital improvements program shall include: A statement of the objectives of the capital programs and the relationship of these programs to the long–range development plans adopted by the county; Recommended capital projects and a proposed construction schedule; An estimate of cost and a statement of all funding sources; and All anticipated capital projects and programs of the county board, including substantial improvements and extensions of projects previously authorized. The County Executive shall include the 6–year program of the county board, with the recommended revisions and modifications of the County Executive, in the comprehensive 6–year program submitted each even–numbered calendar year to the Montgomery County Council under § 302 of the Montgomery County charter. On or before adoption of its annual budget and appropriations resolution in each even–numbered calendar year, the County Council shall adopt a 6–year capital improvements program for the county board as a part of the comprehensive 6–year program. This 6–year capital improvements program shall be adopted after public hearings on the 6–year programs or capital budgets of the county and other agencies. In its adoption, the County Council may make amendments, revisions, and modifications. The County Council may amend an approved capital improvements program at any time by an affirmative vote of six council members. Any amendment, revision, or modification may not become final until it is submitted to the county board for written comment with at least 30 days’ notice.