Specifications include, but are not limited to: 2.1 Rotary mowers will normally be utilized in the mowing of the right-of-way; however, sickle mowers, side mounts, flail, zero turn, or boom mowers may be used to mow around bridges, culverts, sign posts, mailboxes, delineators, flex beam guardrails, wet areas, ditches, etc., as approved by the Superintendent or representative. 2.2 Other types of grass cutting equipment may be used provided it has been approved by the Superintendent or representative prior to use. All rotary mowers must be equipped with safety chains to prevent damage to property by flying debris from under the mower. 2.3 Maximum cutting widths for rigid frame rotary mowers shall be 108”. Hinged or batwing mower cutting widths shall be approved by the Superintendent or representative. 2.4 Boom mounted or side cut rotary mowers may be required to cut roadside ditches, laterals and any other area not readily accessible to standard mowing equipment.