Flash Butt Welding of Rails in connection with various sanctioned track works under DEN Central BCT

Item Breakup - A-All USSOR 2021 Items.

RM MUMBAI CENTRAL DIVISION-ENGINEERING/WESTERN RLY Dismantling and removing rail of all section & length from track, laid on any type & density of sleeper by removing fish plates, fastenings & fish bolts and other materials including stacking all released materials within an average distance of 500 metres as directed by Engineer in-charge. Note: 1.Cutting of rails shall be paid separately. 2.Work to be done under traffic block.

TRM Insertion of rails of all types & length in track, laid on any type & density of sleeper to the specified gauge under traffic block. Rates include fastening of rail with sleepers with standard set of fastenings and fixing of fish plates and bolts or, if required, providing gap for w e l d i n g and stacking of released material without infringement within 250m as directed by Engineer-in-Charge. Note: Rail drilling and cutting to be paid separately.

TRM Gas cutting of rail of various sections with contractor's tools & plants, as directed by engineer in-charge :

Each Pulling back of rails / panels on running track for creep adjustment or other incidental activities by removing and re-fixing all the fittings, and fastenings including squaring of sleepers and slack picking of displaced sleepers, as directed.

17300.00 length

TRM Pulling of welded rail panels to create a specified gap under traffic block, including opening of fittings & fastenings and re-fixing them on track after pulling of rail and creating standard gap for welding.

13300.00 length

RM De-stressing of LWR/CWR track of any density under traffic line block with contractor's labours, tools, equipments and consumables inclusive of all lead & lift. Activities include cutting of LWR/CWR into convenient panels of specified length, removal of ERCs, liners, greasing of ERCs and liner contact area, lifting rails and keeping them on rollers provided at every 15 sleepers, working out elongation of rail ends depending on prevailing site conditions, pulling rails with the help of Hydraulic Tensor to achieve the desired elongation, cutting rails, as required, removing rollers and placing rail in position, re-fixing ERCs & liners and adjustment of gap at SEJs : Note: (1) Welding of rail joints will be paid separately. (2) Rail cutting and Hole drilling shall be paid separately. (3) Opening and closing of LC if required will be paid separately. (4) As per procedure prescribed in latest edition of IRPWM & CE's Circulars for destressing of LWR/CWR, if any.

TRM MUMBAI CENTRAL DIVISION-ENGINEERING/WESTERN RLY Quick cutting with abrasive rail cutter of all types of rail sections including wear resistant, head hardened rails up to 110 UTS, with contractors tools & plants, equipment, consumable with all lead & lift etc. complete as directed by Engineer in-charge. Abrasive Rail Cutter will be as per RDSO Specification No. TM/SM/1 (Rev. 01 of 2012) with latest status of RDSO; Rail Cutting Wheel Abrasive Disc will be as per RDSO Specification No.TM/SM/2 (Rev. 01 of 2020)

Each Drilling holes of 16 mm to 32 mm dia. with Rail Drilling machine including chamfering with appropriate chamfering tools in all types of rail section with contractor's tools & plants, equipment, consumable with all lead & lift etc. complete, as directed by Engineer in-charge. Rail Drilling Machine will be as per RDSO Specification No. TM/SM/3, dated 24.04.1991.

1850.00 with 7.2mm dia drill twist to correct spacing and location on 60kg/52kg rails on cess or under traffic block with contractor's tools and plant, equipment, consumable, labour etc complete as directed by the Engineer in charge at site. Loading, leading and unloading of 52Kg / 60Kg rail up to 13 metre length by Railway's Rail Dolly / Dip Lorry to the nominated location under traffic with line protection in case road carriage is not possible with different lead with a lift up to 5 metre during block period.

2030.00 contractor's Rail Dolly / Dip Lorry Loading, leading and unloading of all types of P.Way fittings and all other miscellaneous m a t e r i a l except Rails, sleepers, switches, crossings, SEJs and Glued Joints by road vehicles for different leads. Note: Lead shall be the shortest motorable road length between the points of loading and unloading.

Item Breakup - A-All USSOR 2021 Items.

Each ( R260 and 90 UTS both ) Total 45356332.97