(a) In addition to the improvements specifically mentioned in title 31, article 25, part 5, C.R.S. (§ 31-25-501 et seq., C.R.S.), the city may construct, implement, install, or otherwise acquire according to the procedures in title 31, article 25, part 5, C.R.S. (§ 31-25-501 et seq., C.R.S.), retaining walls, sound walls, walls, fences, berms, pedestrian facilities, equestrian facilities, walks, bicycle paths, trails, rest areas, picnic grounds, picnic facilities, benches, culverts, bridges, underpasses, trailheads, parking areas, barriers, railings, landscaping (including trees, shrubs, flora or lawn), sprinkler systems, gardens, planter boxes, streetlights, decorative lighting, lighting, street furniture, plazas, traffic signal poles, traffic signalization equipment, grade separations, grade crossings, right-of-way decorations, drainage, drainage channels, erosion control facilities and equipment, drop structures, pipes, culverts, underdrains, inlets, outlets, and all incidental or appurtenant properties, facilities and improvements, and any other amenities, improvements or facilities, separately or in conjunction with other improvements, the construction or installment of which benefits the property within the district.

(b) No sound wall, wall, or fence shall be ordered to be constructed in any special improvement district unless a petition for the same subscribed by the owners of property to be assessed for more than two-thirds of the entire costs estimated by the city council to be assessed is first presented. (Code 1979, § 34-160; Ord. No. 2002-40, § 1, 7-29-2002; Ord. No. 2000-137, § 1, 12-18-2000)