Outsourcing of OHE maintenance activities in Biradhwal-Lalgarh-Phalodi section of Bikaner Division for a period of 2 years.

A-OHE Maintenance

Checking & maintenance of cantilever assembly. Per Track

Checking & maintenance of 25kV OHE conductors.

Checking & maintenance of overlaps (IOL) & (UIOL).

Checking & maintenance of anticreep arrangement.

Checking & maintenance of 25kV isolator (SP/DP) including earthing heel arrangement if any.

Checking & maintenance of 25kV OHE at turnouts.

Checking & maintenance of section insulator assembly.

Checking & maintenance of auto tensioning Device (ATD).

Checking & maintenance of feeder wire & feeder termination / fixed anchor termination. Per Track

Foot Patrolling to be carried out along with schedule with one railway staff (Fortnightly).

Checking & maintenance of all additional insulators.

Checking and maintenance of PTFE type neutral section.

Checking & maintenance of 25kV OHE free from foreign body including bird nest etc. (Number of locations).

Trimming of tree branches to maintain a minimum clearance of 5 to 6 m from OHE (1 big branch normally consisting of 5 small sub branch). Per Track

Checking and compilation of hotspot of OHE using thermovision camera by a skilled engineer.

Erection of catenary wire splicing.

Erection of contact wire splicing.

Replacement of various types of insulators.

Break down attention by a gang for restoration of 25kV OHE during accidents/unusual occurrence for checking OHE parameters (one gang consisting of 7 staff).

Hiring of 15T crane on hourly basis.

Providing data entry operator at OHE depots.

B-Provision of other miscellaneous work.

Concrete for foundation and plinth in all type of soil including hard / rocky soil (including excavation and supply of all material viz. sand, cement and ballast, padding etc.).

Erection of rolled or fabricated and galvanized traction mast, TTC, Portals, AT masts, feeder mast, bridge masts, DA etc.

Erection of fabricated & galvanized steel work (SPS) other than masts with necessary components.

Supply of structure bonds.

Erection of structure bonds.

Supply of transverse (cross rail, inter track) & special bonds.

Erection of transverse (cross rail, inter track) & special bonds.

Supply of longitudinal bonds.

Erection of longitudinal bonds.

Construction and supply of earth pit CC furnished chamber with CI/RCC earth pit cover with lifting hook as per RDSO drawing.

Removal & re-erection of bonds of various types during track work including cleaning of muffs at OHE mast.

Cleaning and painting of various traction bonds with two coat of black bituminous paint incl. supply of paint.

Stenciling of rail level, implantation, MRL, ERL telephone sockets & location number etc. excl. supply of paint.

Supply of enamel / aluminum paint suitable for outdoor applications.

ATD painting (counter weight & guy rod) with one coat of Aluminium paint incl. supply of paint.

Supply & erection of various types of enamel caution boards (approx. area in range of 500-1000 sq.cm. per board).

Supply of enamel/retro reflective structure plate/boards for traction use (approx. area in range of 1000-1200 sq.cm. per board).

Erection of enamel/retro reflective structure plate/boards for traction use (approx. area in range of 1000-1200 sq.cm.).

Supply of enamel/retro reflective danger/caution, unwired turnout, engine stop, sigma boards and other similar type of boards (approx. area in range of 1200-6000 sq.cm. per board).

Erection of enamel/retro reflective danger/caution, unwired turnout, engine stop, sigma boards and other similar type of boards (approx. area in range of 1200-6000 sq.cm.). Square

Developing the sectioning / schematic / TSWR diagram with computerized digital printing on adhesive vinyl of adequate size and color as per requirement.

Supply of MS flat (75 x 10 mm) with erection and welding of the same around sacrificial masts.

Erection of Galvanized fabricated mast/ other supporting/ unserviceable rails structure after cutting, welding of rail piece as supplied by purchaser as per drawing and design.

Soil backfilling in foundations, yards, TSS/SP/SSP etc. at various TRD locations in 24 Bikaner division (This includes earth works like excavating, supplying and filling of local earth (including royalty) by mechanical transport upto a lead of 5km also including ramming and watering of the earth in layers not exceeding 20cm in trenches, plinth, sides of foundation etc. complete.).

OHE slewing, re-slewing work for 3 spans and ATD locking, unlocking work for 2 ATDs for single line OHE (Rates are incl. of work under power block). Work includes securing / holding OHE till completion of work (RUB/Girder launching etc.).

Transportation charges for OHE material.