Specifications include, but are not limited to: Pull boxes, T48, T60, and their lids are required to conform to all test provisions of ANSI/SCTE 77 “Specifications for Underground Enclosure Integrity” Tier 15 and labeled as such inside the pull box and on the top of the lid. All lids are required to have a minimum coefficient of friction of 0.5 in conformance with ASTM C1028. Independent third-party verification or test reports stamped by a registered Professional Engineer certifying that all test provisions of this Standard Specification have been met are required with each submittal. Pull Box, T48 and T60 shall have a split lid (2-piece). Pull box shapes and nominal dimensions shall conform to the pull box details as provided in the Plans. Pull box lids shall also be labeled “FIBER OPTICS” on top as indicated on the Plans. INSTALLATION Pull boxes shall be installed at the locations shown on the plans. The excavation for the pull box, T48, and T60 shall extend at least 12" below the bottom and 12" beyond the sides of the pull box. The pull box shall rest firmly on an aggregate base, meeting all of the requirements of coarse aggregate for concrete as described in the Specifications. Pull Boxes T48 and T60 shall have aggregate base that extends 12" below the bottom and at least 12" beyond the outside edges of the pull box. In addition, the aggregate base shall extend 12" up on the outer sides of the pull box, measured from the bottom of the box. The aggregate base shall be placed in 6" lifts and compacted with mechanical or hand methods to the satisfaction of the Construction Representative. See pull box details for aggregate placement detail. The remaining excavation shall be backfilled with soil and shall meet the requirements for backfill in the Specifications. Pull boxes shall not be placed in concrete unless specifically indicated on the plans or otherwise directed by the Construction Representative. Do not install pull box lid bolts. Pull box edges, lid and lifting eye shall be kept clear of concrete and foreign material. Fiber Marker shall be a 66" long x 3.9"+, flexible fiberglass post with tapered triangular end for ground installation. Fiber Marker shall have 14" long x 2.8"+ label, that is non-reflective, outdoor-durable, vinyl, with “Warning, Fiber Optic Cable, Before digging in this area call 402-441-6855”. Fiber Marker shall be standard APWA orange color and have a post durability rating for 20+ years outdoor. INSTALLATION Fiber Marker shall be installed at all pull box locations by inserting the base end into the soil at a depth of 24", as per the manufacturer’s recommendation. Fiber Marker shall be installed over the top of the fiber conduit adjacent to the pull box to depict the alignment of fiber conduit directly below the marker.