Vijayawada Division: Signal and Telecom Department: S&T works in connection with (1)BZA-VSKP section - Prposed construction of ROB in lieu of LC No.316 at Km 434/20-22 at Gunadala station yard., (2) KI-BZA section - Proposed construction of ROB in lieu of LC No.147 at Km 573/17-19 between Kondapalli-Rayanapadu stations. (3) BZA-KI section - Prposed construction of ROB in lieu of LC No.148 at Km 575/9-11 at Rayanapadu station yard. (4) BZA-VSKP section - Prposed construction of ROB in lieu of LC No.404 at Km 589/12-14 at Kadiyam station yard. (5) BZA-VSKP section - Prposed construction of ROB in lieu of LC No.407 at Km 593/32-34 between Kadiyam-Dwarapudi stations. (6) BZA-VSKP section - Prposed construction of ROB in lieu of LC No.409 at Km 597/17-19 at Dwarapudi station yard. (7) BZA-VSKP section - Prposed construction of ROB in lieu of LC No.415 at Km 605/9-11 between Anaparthi-Bikkavolu stations. (8) BZA-VSKP section - Prposed construction of ROB in lieu of LC No.355 at Km 501/22-24 between Denduluru-Bhimadolu stations. (9) BZA-VSKP section - Prposed construction of ROB in lieu of LC No.363B at Km 514/8-10 at Pulla station yard. (10) BZA-VSKP section - Prposed construction of ROB in lieu of LC No.378 at Km 544/03-05 at Navabpalem station yard. (11) Proposed Construction of ROB in lieu of LC.16 at Km.15/4-5 between Nidamanuru and uppuluru stations. (12) Proposed Construction of ROB in lieu of LC.328A at Km.458/32-34 between Peddavutapalle-Telaprolu stations. (13) Proposed Construction of ROB in lieu of LC.324 at Km.452/31-33 at Peddavutupalle station yard. (14) Proposed Construction of ROB in lieu of LC.422 at Km.619/20-22 at Medapadu station yard. (15) Proposed Construction of ROB in lieu of LC.439 at Km.658/18-20 at Ravikampadu station yard. (16) Prposed construction of ROB in lieu of LC No.426 at Km 629/00-02 at Samalkot Jn. station yard.

Track crossing/ Road Crossing by Horizontal Boring method at culverts /track / pucca road as per SCR Drg. No. 5770. This also includes insertion of HDPE pipe of 110 mm/G.I Pipe of 100 mm in the bore drilled (HDPE pipe/ GI pipe is to be supplied by Railway).

Cable laying and meggering. a)laying different type of cables in the trench. Termination covered elsewhere.

Supply and Filling sand in trench/under floors/OFC chambers, complete as per instruction of engineer in charge.

Supply & Laying of G.I Pipes with medium and threaded collar & coupler, quality to specification IS.1239 (part-I) 1990 and galvanised to specification IS.4736-1986. b) G.I Pipes of 100mm diameter (INSPECTION:RITES)

Supply & fixing Hard Wood planks of 40mm thick and not less than 200 mm width with smooth surface, and painting with black enamel paint painting (Hardwood, paints, fixing bolts is to be arranged by contractor) (INSPECTION BY CONSIGNEE) Per

Cable termination including fixing terminals, fuses, LDs, Meggering of cables and recording the readings.

Supply and fixing of location box particulars in prescribed format, particulars to be printed on a good quality flute board, location particulars will be supplied in a register by Railways. 16 Same will be provided back in A4 format sheet for check print, after finalizing check print, final particulars to be supplied and fixed as described above (Soft copy to be given to drawing office on a suitable storage device - Pen drive of suitable capacity) and also make hard copy of location particulars to be supplied in A4 format. (INSPECTION BY CONSIGNEE)

Fabrication, supply and erection of conventional Earth to Signalling/Telecom equipments -Excavation of earth and providing earth pipe of size 50mm dia. 3.5mm thick 2.0 m. long G.I. pipe of heavy quality with masonry tub constructed around at earth locations as specified 17 by site Engineer. Alternate layers of 30kgs-charcoal and 30kgs-common salt to be filled in the pit while closing. The pipe perforation etc., to be carried out as per drawing No. SK 10/10. The earth pipe to be connected to the function with cable as supplied by Railways. The reading should be painted on the masonry tub. The masonry tub of 300 mm x 300 mm x 300mm (along with Kundi) should be covered with cement slab. (INSPECTION:CONSIGNEE)

"Foundation and erection of Colour light signal which includes a) Excavation of pit, casting concrete foundation as per SCR Drg. No. 5772 using metallic templates, for erection of Colour light Signals 4 aspects (foundation bolts, cement, river sand, stone jelly of size 20/20mm dia and all other miscellaneous materials required for the work shall be supplied by the contractor). b) Erection of surface base, signal post, mounting of Colour Light Signal up to 4 aspects complete on signal post / offset bracket, LED fixing, plumbing of the signal through sealing gap between Surface base and signal post, fixing of ladder with platform complete and concreting of ladder shoe, fixing of number plates, marker board, termination tail cables, wiring of signal unit, provision of EWS locks, 18 and painting of one coat of red oxide and two coats of aluminium/enamel paints. When the aspect is fixed on offset bracket using 'U' bolts and nuts, a through bolt shall be provided by drilling of hole in the signal pole to prevent the offset bracket from sliding down. (Supply of surface base, offset bracket, CLS pole, CLS aspects complete , ladder with shoes and platform, LED aspects, current regulators and wire coils will be supplied by Railways). ('U' bolts and nuts, through bolts and nuts, cement, stone jelly 20/25mm dia, river sand, Signal Colour Rings, all fixing bolts and nuts, teak wood, paints PVC/Nylon sleeves, enamelled number plates, enamelled marker boards , EWS locks, and all other miscellaneous materials for the work shall be supplied by the contractor). @40<37@ Payment after completion of workmentioned at (a) and remaining 40 % after completion of work at (b))"

Fixing of the following on Pre-erected Relay Racks. e)Fixing relay bases on the relay frames erected in Relay Room, Wiring of all types of relays by drawing various sizes of wires/multi core cable, fixing fuses, condensers, resistances, LEDs etc and wiring duly soldering the same as per approved circuit diagram, testing point to point before soldering and after soldering, bunching and lacing as per detailed technical specification. Numbered ferrules shall be provided for each wire. Different colour codes and sizes of wire to be used as per standard practice. This also includes , 20 provision of all PVC sleeves required to be provided. Copper lugs to suit to 16/02 wire and neat bunching, lacing with Modi Nylon / Twine thread and using PVC dotted tape with buttons. This also includes solderingall the wires in the relay room with Rosin core of IS Spec.1921 @40<37@ Tin and 40% Led). Soldering should be done as per standard practice. This also includes inserting the clips, point to point testing as per the circuit diagram and plugging relays to Relay bases (except Inter- cables, relays other materials such as Rosin core, flux, nylon thread. PVC dotted tape should be supplied by the contractor). Point to point testing should be done in the presence of Engineer-in- charge as instructed in two stages, one before soldering and the other after soldering. Per

Removal of existing 'Q' style / K-50 contact clips along with its wire from the relay 21 base by carefully tracing out from the bunch of wires and taking out unwanted wires from the same as per the alterations shown in the circuit diagram issued by Railways. Drawing of fresh new wire from the relay base to another relay base as per the new wiring as shown in the circuit diagram without affecting the other wires. This also includes testing of wires using buzzer of the new wires drawn once before soldering, once after soldering (This includes of wires required for data loggers.)

Supply of commercial grade operator VDU of size 55" Full HD, with backlit LED, with HDMI/DVI port, Inbuilt Speaker, required HDMI/DVI cables for connectivity and other miscellaneous item required for installation (INSPECTION BY CONSIGNEE)

Supply of fan less embedded industrial grade computers (Similar to Moxa V2406A or 23 better ) with all accessories such as key board, mouse, antivirus etc. of industrial grade as per approved Specification as recommended by RDSO (TAN No. STS /TAN /3007 Version 1.0 or latest). (INSPECTION BY CONSIGNEE)

"Releasing of the following equipments without causing damage, stacking neatly at a centralised place near the site of work as shown by the in charge, and handing over the same to the 27 Stores depot as per the inventory made. k) Dismantling and releasing of existing Colour light Signals complete (up to 4 aspects) with or without Route Indicators, calling on signals, shunt signals etc., carefully without any damage to the gadgets, accounting and stacking them neatly at a place as instructed by Railway representative at site. The work includes breaking the concrete foundation,closing the resultant pit and resurfacing it by ramming and levelling."

Straight through / derivation with/without transformer joints: Installation Thermo shrinkable jointing kits for straight through derivation joints for LC gate, pump houses etc where VF 28 transformers are not required and derivation joint by using 2T transformer ( to be housed in the joint) . This includes tapping of nominated Quad at a specific location shown by the Railway Engineer at site to the jelly field cable already laid. All material including valco tapes except thermo shrinkable jointing kit shall be supplied by the contractor.(Per Unit=Joint)

Laying of HDPE duct 40/33 mm dia in the trenches and in protective works already provided.

Blowing of armoured optic fibre cable (OFC Cable supplied by Railways) into the duct supplied vide other NS item of supply portion by using blowing machine and associated works. 10% 30 of OFC length to be blown extra on both ends of Duct i.e. total 20% of Duct length. Before blowing the duct integrity shall be tested. If any defect is found during duct integrity test, the entire length of HDPE duct from one chamber to another chamber is to be replaced by the contractor at his own cost. Payment will be made as per the length of Duct from which OFC is Blown.

Excavation of jointing pit and provision of RCC/FRP joint / Loop chambers of 90 Cms. 31 Inner dia 60 Cms depth and 3mm thickness with two pieces of top cover with hooks each and bottom cover with hole for drainage and cable entry as per Drg. No. RAILTEL/SR/OFC/ 2009/12 and as directed by Engineer to be provided at every joint location and at every Kilometre loop etc., The chamber shall be filled with sand mixed with anti-stermic power, back filling and ramming of trench after HDPE duct laying, splicing and commissioning.

Supply and Installation of OFC joint enclosure and splicing of Optic fibre cable (24 fibres) and testing as per technical specification No. GR OJC-2/02 Sept 2003. Supply of Splice 32 Enclosure (24 fibre) shall be of TVS make Part No.1500-L18X-XX or similar as per Board specification of TEC.& as per RDSO/SPN/TC/68/2014 Revision 1.0 amd 1 or latest . All materials including Fusion splicing machine used for fibre splicing and, OTDR for testing and other testing materials if any shall be arranged by the contractor. (INSPECTION:CONSIGNEE)

Digging of cable pit for the required depth and width to locate the cable at a specific location shown by the Railway Engineer at site to attend the cable fault and refilling the same after attending the cable fault by the department. Above/

Supply of Metallic (MS) colour light Signal Unit. c) 4 aspect complete as per DRG. No. SA. 23001/A/M (Adv.) latest amendment and specification IRS: S 26-64 or latest (INSPECTION BY RITES)

Supply of Offset Bracket to suit 140mm dia CLS post with two numbers of U bolts and nuts complete. (INSPECTION BY RITES)

Supply of GKP type Location Boxes b) Half size drg. No. S&T/MFT/T.2378 (INSPECTION BY RITES)

Supply of Plug-in type miniature tractive armature Non-AC immune, DC neutral line relay complete with plug board, retaining clip/ATC Clip and connectors as per specifications BRS 930, IRS:S 23-88 Amd. 1 or latest, IRS: S 34-68 Amd.6 or latest, IRS: S 67-85 Amd.3 or latest (as applicable). b) QN1-12F/4B, 24 V DC. The interlocking code: ABCDE. (INSPECTION BY RDSO)

Supply of Spare Cards for CEL make High Availability Single Section Digital Axle 24 Counter (HASSDAC) as per specification RDSO/SPN/177/2012 Ver. 3.0 or latest. The spare cards shall be supplied as per the make of SSDAC and to the version as specified by the engineer in-charge. g) Axle detectors (each set consists of 2 numbers Tx and 2 numbers Rx coils) (INSPECTION BY RDSO)

Supply of Vulco Tape of size 45 mm width x 1.5mm thickness x 10m length. It shall be self-bonding type anti corrosive, heat resistant and water proof. (INSPECTION BY CONSIGNEE)

Supply of Double Walled Corrugated (DWC) HDPE duct of various diameter of length 28 of 6m as per specification RDSO/SPN/204/2011 Ver. 1.1 Amd. 1 or latest. The duct shall be supplied along with push-fit type O-ring coupler or end cap. b) DWC of outer Diameter 180mm and inner Diameter 153mm (INSPECTION BY CONSIGNEE)

Supply of Cable Route Locator set consisting of receiver with active line trace frequency, passive line trace and depth measurement on active line tracing with 5 watts cable line 29 transmitter with frequency indicator, power indicator, frequency mode sheet, power 'ON' & 'OFF' indicator mode toggle induction mode. High voltage warning and suitable rechargeable cells for both transmitter and receiver with suitable charger with carrying case. Make RIDGID SeekTech SR- 20/ Stanlay ST-Loc 10 or equivalent or better as approved by Engineer In charge. (INSPECTION BY CONSIGNEE) Above/