Specifications include, but are not limited to: 1.Datacenter First Floor (IDF) Intermediate Distribution Frame. a. Prior to installation, the Vendor shall coordinate wall penetrations and rack and tray layouts with the NTTA’s representative. 2.Data Center a. Prior to installation, the Vendor shall coordinate wall penetrations and cabinet and tray layouts with the NTTA’s representative. b. Red Velcro shall be used in lieu of nylon tie wraps to secure copper cable bundles within the cable tray and rear of the cabinets in the Data Center. c. Aqua Velcro shall be used in lieu of nylon tie wraps to secure fiber optic cable bundles within the cable tray and rear of the cabinets in the Data Center. d. All fastening hardware shall be 316L stainless steel in quantities to appropriately support and secure the cable tray. Attention to contact points between 316L stainless and steel cabinets will be necessary to prevent galvanic corrosion. All contacts points shall be bushed to prevent contact between stainless steel basket and steel cabinets. TELECOMMUNICATIONS SERVICE EXTENSIONS 1.All pathway supports shall be spaced at no more than 5’ increments; or at the necessary spacing to maintain less than an eight inch (8”) overall bundle sag. 2.All work shall be coordinated with other trades to eliminate pathway conflicts. Any piping, flex conduit, HVAC duct work, or other cabling that interferes with a communication cabling pathway shall be coordinated with that trade and resolved. Pathway conflicts that cannot be resolved by the trades shall be resolved by the NTTAs Representative. 3.The Vendor shall ensure that all pathways maintain the required separation from EMI producing sources in accordance with EIA/TIA 568B and the latest National Electric Code. GROUNDING, BONDING AND FIRESTOP 1. Grounding a. The Vendor shall ground each rack, cabinet, and cable tray, and according to the grounding requirements described in the 2002 National Electrical Code (NEC 800-30 and NEC 800- 40) and the EIA/TIA 607. b. Each ground wire shall be green THHN #6 AWG. c. The General Contractor (if applicable) shall install the grounding bus bar in each IDF and in the Data Center. The grounding bus bar shall adhere to the recommendations of the TIA/EIA-607 standard and shall be installed in accordance with best industry practice. d. The Vendor shall utilize crimp style lugs that are to be bolted to bare metal only. Paint must be removed in the size and shape of the lug only in a clean and neat manner.
