Specifications include, but are not limited to: Class 3 Excavation Excavation for removal of old foundations, walls or other existing structures that might be encountered during construction. This item shall also include excavation for new compacted stone foundation or reinforced concrete foundation plus one foot beyond, as shown on standard PennDot road construction drawings and additional excavation as directed by the City department Director and/or their designee. Construction • Excavate to the required limits of construction, etc. • Blasting will not be permitted. • Backfill spaces excavated for, but not occupied by structures with compacted No. 57 aggregate within the crib wall and acceptable gravel material elsewhere. This will be paid for separately. Measurement and payment- Cubic Yards • No excavation below the approximate elevation indicated will be paid for, unless otherwise approved in writing by the Director and/or their designee. 5.2. Wall Foundation (No. 2a Modified), 12” depth This work is the placing of the compacted 2a wall foundation/leveling pad. • Material- 2a modified. • Construction- as specified in the Dura-hold installation procedures and as follows: o Leveling pad/foundation is to be as shown on drawing with a compacted depth of 12 inches. o The top of the leveling pad is to be located at an elevation that is no less than 12 inches from finished grade