Welding of rail joint with 52kg & 60kg portion with contractor's material and equipments and supply of SKV welding kit in Sr. DEN east section

1-Part A USSOR Item 2021- Welding of rail joint with 52kg & 60kg Above/

2-Part A 1 NS Item Welding of rail joint with 52kg & 60kg portion with

3-Part B USSOR Item 2021- Welding of rail joint with 52kg & 60kg Above/

4-Part B 1 NS Item Welding of rail joint with 52kg & 60kg portion with

material and equipment's and supply of SKV welding kit in Sr. DEN east section.

Welding of rail joint with 52kg & 60kg portion with contractor's material and equipment's and

supply of SKV welding kit in Sr. DEN east section under ADEN (East) Panvel.

S No. Item Description of Item Unit Qty Rate Amount

Manufacturing and Supply of Alumino thermic

welding portions of 52Kg/60 Kg/60EI-R260 as

approved by RDSO for welding of rails

52Kg/60Kg/60EI-R260 kg for 25mm gap by the

process of AT welding along with complete

accessories confirming to the specification laid

down in Indian Railway Standard specification

No.IRST-19-2020 up to date correction slips with

Single shot crucible fitted with Automatic Tapping

Thimble, 3 pieces pre fabricated mould (Zircon

washed) manually pressed using compressed air

petrol/LPG pre heating for execution of welding of

rail joint as directed by the engineer in charge at

site. Note: 1. The accessories along with welding

portion shall be supplied as per Annexure-I of the

IRUSSOR - 2021. 2. Rate is inclusive of

transportation of above to SSE/P.Way stores.

25mm gap 'in-situ' welding during traffic block

and finishing of weld to meet the prescribed

tolerances and pass all stipulated tests with all

required labour, materials, consumables, tools,

equipments etc. to complete the work in all

respect as per IR's "Manual for Fusion Welding of

Rails by Alumino - Thermic Process" with latest

correction slips, including marking of welded joint,

painting weld collar with anticorrosive paint,

restoration of track near weld joint to original

position and fixing of joggled fish plate at new

weld, to be removed after passing of weld in USFD

test as directed by Engineer in charge. Note: 1.

Welding shall be carried out only by trained

welder having valid competency certificate using

RDSO approved Alumino Thermit Welding

Portions, 3 piece prefabricated mould (ZIRCON

WASHED) manually pressed, Single shot crucible

fitted with auto tapping thimble and Compressed

Air Petrol/LPG preheating technique as per RDSO

Specification No IRST/19-2020 with latest

amendment. 2. Hydraulic Weld trimmer shall be

used for chipping and profile Grinder for finishing.

3. Only required nos. of Joggled fish plates shall

be supplied by Railway at nearest P. Way Stores

and the same shall be returned at nearest P. Way

Store or at other location as per direction of

Engineer-in-Charge after release from track. All

other items required shall be supplied by the

MUMBAI- CST-DIVISION-ENGG/CENTRAL RLY

Schedule 3-Part B USSOR Item 2021- Welding of rail joint with 52kg & 60kg portion with contractor's

material and equipment's and supply of SKV welding kit in Sr. DEN east section

Welding of rail joint with 52kg & 60kg portion with contractor's material and equipment's and

supply of SKV welding kit in Sr. DEN east section under ADEN(West) Panavel.

S No. Item Description of Item Unit Qty Rate Amount

Manufacturing and Supply of Alumino thermic

welding portions of 52Kg/60 Kg/60EI-R260 as

approved by RDSO for welding of rails

52Kg/60Kg/60EI-R260 kg for 25mm gap by the

process of AT welding along with complete

accessories confirming to the specification laid

down in Indian Railway Standard specification

No.IRST-19-2020 up to date correction slips with

Single shot crucible fitted with Automatic Tapping

Thimble, 3 pieces pre fabricated mould (Zircon

washed) manually pressed using compressed air

petrol/LPG pre heating for execution of welding of

rail joint as directed by the engineer in charge at

site. Note: 1. The accessories along with welding

portion shall be supplied as per Annexure-I of the

IRUSSOR - 2021. 2. Rate is inclusive of

transportation of above to SSE/P.Way stores.

25mm gap 'in-situ' welding during traffic block

and finishing of weld to meet the prescribed

tolerances and pass all stipulated tests with all

required labour, materials, consumables, tools,

equipments etc. to complete the work in all

respect as per IR's "Manual for Fusion Welding of

Rails by Alumino - Thermic Process" with latest

correction slips, including marking of welded joint,

painting weld collar with anticorrosive paint,

restoration of track near weld joint to original

position and fixing of joggled fish plate at new

weld, to be removed after passing of weld in USFD

test as directed by Engineer in charge. Note: 1.

Welding shall be carried out only by trained

welder having valid competency certificate using

RDSO approved Alumino Thermit Welding

Portions, 3 piece prefabricated mould (ZIRCON

WASHED) manually pressed, Single shot crucible

fitted with auto tapping thimble and Compressed

Air Petrol/LPG preheating technique as per RDSO

Specification No IRST/19-2020 with latest

amendment. 2. Hydraulic Weld trimmer shall be

used for chipping and profile Grinder for finishing.

3. Only required nos. of Joggled fish plates shall

be supplied by Railway at nearest P. Way Stores

and the same shall be returned at nearest P. Way

Store or at other location as per direction of

Engineer-in-Charge after release from track. All

other items required shall be supplied by the