Facilities

Facility Profile

The Facilities available in GB make it capable of producing Pressure parts for Steam Generating systems to the tune of 10,000 MT per annum including Non-destructive testing requirements. The storage of raw materials, the issue control, Process planning and control, Quality assurance and control during Production process all ensure Delivery and Quality of the final product to the Customer

Manufacturing Capabilities

GB has works at 3 locations, with a total covered area of 350,000 sq. ft. The AC-GB Works has been established as a Joint Venture company with Ansaldo Caldaie Boilers India Private Limited and capable of manufacturing Steam Generators of upto Super-critical range under Benson Once-through license of Siemens.

Sl Works Name Area Available(Sq.Feed) Covered Area Max Handling Capacity (MT) Manhour available per day Annual Tonnage Capacity (MT)
1 GB Main 5,22,720 1,60,000 40 4,000 5,300
2 GB Tubular 2,17,800 40,000 40 2,000 1,100
3 AC-GB Works 30,49,200 1,50,000 20 2,400 5,000
Total 37,89,720 3,50,000 8,400 13,400

 

GB Main Works (Unit I)

MAIN WORKS (ASSEMBLY SHOP I)‏

19-2

BAY 1

Main_Works_Assembly_Shop_Bay_1_mini

Size: 15 m x 100 m

Crane Cap. – 10 MT

BAY 2

Main_Works_Assembly_Shop_Bay_2_mini

Size: 15 m x 100 m

Crane Cap. – 30 MT & 5 MT

BAY 3

Main_Works_Assembly_Shop_Bay_3_mini

Size: 15 m x 100 m

Crane Cap. – 10 MT & 5 MT

GB MAIN WORKS (ASSEMBLY SHOP II)‏

Assy Shop 2

BAY 1

Size: 17 m x 250 m
Crane Cap. – 10 MT-2nos

BAY 2

Size: 22 m x 250 m
Crane Cap. – 2×20 MT-2nos

BAY 3

Size: 17 m x 250 m
Crane Cap. – 10 MT-2nos

HANDLING

  • E.O.T. – 40 T (2 no.), 30 T (1 no.), 15 T(1 no.), 10 T, 5 T
  • Mobile Crane – 10 T (2 nos.), 30 T (1 no.)
  • Height of Fabrication Facility – 6.5 m to 8 m

STORAGE

  • Indoor 20,000 sq. ft.
  • Outdoor 50,000 sq. ft.

MATERIAL PREPARATION

  • Gas Flame Cutting Thickness 150 mm (max)
  • Plasma Arc Cutting Thickness 25 mm (max)
  • Profile Gas Cutting Thickness 100 mm (max) [w/optical tracing mechanism]
  • Band saws and Hack saw

FORMING

  • Plate Bending (3-Roll) Thick 63 x width 2500 w/Top Roll Dia. 460mm
  • Thick 32 x width 2500 w/Top Roll Dia. 330 mm
  • Hydraulic Press 100 Metric Tonnes
  • Tube Bending (Cold) Tube Dia. 3” max
  • Tube Bending (Hot) Tube Dia. 3” max with R/D=0.52
  • (Squeezing & Sizing)
  • Pipe Bending Pipe Dia. 168 mm (max)
  • Tube expansion Tube Dia. 51 mm (max)
  • Tube Swaging Dia. 76 mm & below
  • Tube Sleeving Dia. 76 mm (max)

WELDING

  • Shielded Metal Arc Welding (SMAW) 60 sets
  • Gas Tungsten Arc Welding (GTAW) 100 sets
  • Gas Metal Arc Welding (GMAW) 80 sets
  • Submerged Arc Welding (SAW) 2 sets
  • Automatic GMAW Tube Panel Welder 3 sets
  • Gantry Welding Machine 1 set
  • Stud Welding (Dia. 12 mm studs (max)) 3 sets

MACHINING

  • Centre Lathes 6 nos. (max. 9 meter b/w centers)
  • Drilling 6 nos. (max Dia. 63 mm)
  • Jig Borer 1 no.
  • Horizontal Floor type Boring M/c 1 no.
  • 160 Spindle Diameter

HEAT TREATMENT

  • Stress Relieving and Annealing
  • 3800 (W) x 9300 (L) x 3300 (H) [Gas Fired Furnace] – Max. Temperature 1250oC
  • Solution Annealing
  • 500 (W) x 500 (L) x 500 (H) [Electric Furnace]

SURFACE PREPARATION

  • Shot Blasting (Tubes & Flats)
  • Sand Blasting

NON – DESTRUCTIVE TESTING

  • Radiographic Testing Gamma ray – Iridium 192 Upto 50 curie (thk. 70mm max)
  • Ultrasonic Testing Upto 120 mm
  • Magnetic Particle Testing Upto depth of 5 mm
  • Dye – Penetrant Testing Nil
  • Hydro-static test Upto 350 Kg/cm2

 

GB Tubular Works (Unit II)
The Unit – II called GB Tubular works is a 5 acre area used for fabrication. This unit houses the
Central NABL approved Laboratory also.Covered Shed : 2 Bays
Open Bay : 3 Bays

 

AC-GB Works
main unit
This workshop was setup for catering the large boiler segment including the Super-critical boiler under Benson Once-through technology of Siemens. Accordingly the infrastructure has been organized and space acquired to enable possible future expansion. This unit houses machinery of fully automated type.