17-20 If existing poles do not have a grounding system, install new grounding system that complies
with Article 1720 -3 for bonding messenger cable. Transition from rigid galvanized steel risers to underground PVC conduits using an approved rigid galvanized steel sweeping elbow with PVC female adaptor . 1722 -4 MEASUREMENT AND PAYMENT __" Riser with ____ will be measured and paid as the actual number of risers of each type and size furnished, installed and accepted. No measurement will be made of weatherheads, heat shrink tubing or pole attachment fittings as these will be incidental to furnishing and installing risers. Heat Shrink Tubing Retrofit Kit will be measured and paid as the actual number of heat shrink tubing retrofit kits furnished, installed and accepted. Payment will be made under: Pay Item Pay Unit __" Riser with ____ Each Heat Shrink Tubing Retrofit Kit Each 1725 -1 DESCRIPTION Furnish and install inductive detection loops with loop slot sealant, loop wire, conduit with fittings and all necessary hardware. 1725 -2 MATERIAL Refer to Division 10. Item Section Inductive Detection Loops 1098 -9 Furnish m aterial, equipment and hardware under this section that is pre-approved on the ITS and Signals QPL available on the Department’s website. Provide the Engineer a Type 3 material certification and SDS for the sealant in accordance with
Article 106 — 3.
1725 -3 CONSTRUCTION METHODS All work performed in this section shall be done in the presence of the Engineer. Notify Engineer one week before installing inductive detection loops. Coordinate sawcutting and loop placement with pavement markings. For new construction or for resurfacing, install inductive detection loops before placing final layer of surface course. On unmarked pavement, pre -mark locations of stop lines and lane lines before locating inductive detection loops. Before sawcutting, pre -mark inductive det ection loop locations and receive approval. Sawcut pavement at approved pre -marked locations. Do not allow vehicles to travel over unsealed loop slots. Install conduit with bushings from edge of pavement to junction box. Ensure conduit maintains a minimu m 30 inches of cover from the edge of pavement structure to the junction box. Do not sawcut through curb. Remove all loose material and wash saw slots with a high -pressure method using an air and water mixture. Dry saw slots with compressed air. Clear s aw slots of jagged edges and