Provision of 4 x 48 fiber OFC for communication backbone in section New Bongaigaon (NBQ) - Goalpara (GLPT) -Kamakhya (KYQ) (176 RKm) and Golakganj (GKJ) to Abhyapuri (AYU) (84.84 RKm) of Rangiya Division under HUN6 sections

A-Schedule of works

Supply of permanently lubricated HDPE pipe of size 33/40 as per technical specification

Supply, installation, testing and commissioning of FDMS (48 Fiber on each side) as per RDSO specification No. RDSO/SPN/TC/37/2020 Rev.4.0 and as per TS.

OFC Cable Joint enclosure as per TC 81-2000 (Part-A) for splicing of Optic fibre cable (48 fibres) as per TS.

Installation of OFC joint enclosure and splicing & testing of 48 fiber OFC cable as per technical specification.

Digging of 1.20 Meter deep and 0.3 Meter wide trenches including clearing of roots of trees and bushes and temporary obstruction on the selected route, as per technical specifications 5 and cable route plan. Note: In case where digging of trench up to 1.20 Meter depth and 0.3 meter wide is not possible or bigger size trench is required to lay more cables or loose soil/ muck is encountered, the depth can be reduced /increased as per directions of the Engineer-in-charge of the works, the payment will be decreased/increased proportionate to the depth & width of excavation compared to 1.20 Meter deep and 0.3 Meter wide. In all type of soils including soft rock.

Excavation of trench to a depth of 1 Mtr. for track crossing of cables, laying of DWC/ 6 RCC pipes with collar/coupling, refilling of trench by ramming and consolidating it as per the instructions of Railway representative at site. During excavation of trench it has to be ensured that the excavated soil does not mix with the ballast available. The depth of 1m trench shall be from the bottom of sleepers for track crossings as per TS.

All works of excavation of cable trench 1.0 Meter deep, 0.3 Mater wide on pucca platform/on Road for road crossing and restoration of the platform/Road surface to original condition with contractor's material, after laying of GI/DWC pipes and then refill as per TS.

Blowing of OFC through HDPE pipe for 48 Fiber OFC cable as per TS.

Back filling and consolidating of cable trench first for 5 CM (in case where bricks are to laid over cables) after laying of cables and then complete back filling & Ramming of loose soil as per the technical specifications.

Supply of galvanized trunking with cover of same material as per DRG No. 12 SWG/NGS/C7/91 and fixing on girder bridges including supply of channel angle iron bracket unit, nuts and bolts of proper sizes and filling of support at an interval of one meter including laying of cable inside the traugh and filling with bitumen compound as per TS.

Taking the all types of cables inside station relay rooms/ABS Huts, location boxes and junction boxes etc. and sealing of cable entry pit etc. as per Technical specifications, complete with contractors' material as per TS.

Supply , transportation at site & erection of concreting base RCC cable route marker as per technical specification as per TS.

Supply of Optical Fiber Splicing Machine conforming to TEC Spec No. G/OSM-01/03 15 April 2005 or latest with all accessories along with high precision fiber clever, stripping tools and other accessories & sufficient no. of splice protection sleeves and isopropyl alcohol to be supplied for test splice as per TS.

Cable route tracer cum RFID marker locator with GPS tagging facility along with GPS device as per TS.

Supply of Optical time domain Reflectometer (OTDR) as per technical specification noGR/OTD-01/03 sept2003 (with latest amendment) and additional requirement as per technical specification.

Loading and transportation of S&T cable from the stores and unloading at the site of laying as per TS.

Supply of 9U Racks and all accessories required for installation purpose of switches/FDMS as per TS

Supply, transportation and installation of RCC joint chamber with two piece top cover 20 and bottom cover with holes for drainage and cable entry, as per TS. This includes trenching for jointing pit, back filling and ramming of the pit after placing the joint closure and cable loop in the chamber without causing any damage to the same and consolidation of soil as well as disposal of excess oil as per TS.

Supply of smart Electronic RFID cable marker with capability of saving the user specific data inside the marker memory chip, later readable by locator (during locating floating coil to keep detection circuit always horizontal for better detection) as per TS.

Transportation to site and installation of electronic cable Route Marker for route, track and road crossing marking along the route of cable laying as per TS.

Programming and Geo Tagging by taking latitude & longitude of RFID Markers by 23 using Integrated Locator in new cable laying & existing cable laying route with Digital mapping thru mobile application. Provision of hard copy of Digital route plan and Geotagging Data with Railway track to cable distance on digital mapping as per TS

Development of a mobile app for division of NF Railway and setting up of local server at Divisional/Zonal HQ for tracking of cable route marker as per TS.