Projects

Below is a list of our key recent projects. Full details and references for each are available on request.

PROJECT DETAILS
SIZE(in), PRESSURE(bar) AND TEMP (c)
Defected pipe replacements on 32″ waxy crude oil line in Sudan. The replacements were done by double position hot tap and line stop, with a bypass system ensuring the line stays in production.
32; 74; 80
Breakdown Hot tap and bypass of a 16″ Isolation Valve. High temperature 400deg Celsius and 40 Bar
12; 40; 400
Hot tapping compressed air piping to install pressure indicators and flow indicators
2-3; 8; 35
Hot Tapping Engineering services – Total Energies Iraq

Hot tapping of the Flare Line – 45deg Angle
2-3; 3.4; 232
12″ Hot Tap and Line (Bag) Stop on a 24″ Header Line (QTY 3)
12; 12; 60
20″ Hot Tap and Line Stop on a 48″ Header Line (QTY 12)
20; 12; 60
24″ Hot Tap and Line Stop on a 48″ Header Line (QTY 8)
24; 12; 60
36″ Hot Tap and Line Stop on a 48″ Header Line (QTY 3)
36; 12; 60
20″ Hot tap and Line (Bag Stop) on a 48″ Header Line (QTY 1)
20; 12; 60
Hot tapping of a 4″ Branch Connection on a 10″ Natural Gas Pipeline
4; 20; 50
Hot tapping a branch connection for a bypass line on a molten salt line (CSP)
3; 30; 400
Hot tap and bypass installation for the sewerage pump station – Pump Station repair
12; 6; 25
Hot tap 2″ Blow off Fitting
2; 10; 30
Dutch Finger-Line Stop on the 4″ Compressed Air Line
6; 10; 30
Hot Tap for the 2” LP Deaerated Condensate line on Sasol Secunda
2; 19; 135
Blowoff hot tap on the 6” and 12” LP Deaerated Condensate line at Sasol Secunda
2; 19; 135
Dutch Finger-Line Stop on the 2” LP Deaerated Condensate line at Sasol Secunda
2; 19; 135
Hot Tap for the 6” LP Deaerated Condensate line at Sasol Secunda
6; 19; 135
Hot Tap and Line Stop for the 6” LP Deaerated Condensate line at Sasol Secunda
6; 19; 135
Hot Tap for the 12” LP Deaerated Condensate line at Sasol Secunda
6; 19; 135
Hot Tap and Line Stop for the 12” LP Deaerated Condensate line at Sasol Secunda
6; 19; 135
Design and Fabricate 2x 24″x48″ Line Stop (Bag Stop) Assemblies
24; 17; 50
Design, Double position Hot Tap, Line Stoppig and Bypass Lines for a Naphtha pump system
10; 5; 196
12″x16″ Hot tap and Dutch Finger Line Stop – MP Steam
16; 9; 300
8″ Hot tap and Line Stop – DEA
8; 33.6; 125
Hot tap and Line stop hot tap for the 3” Utility line at Sasol in Secunda
3; 10; 50
Hot tap of a 48″ Flare Line
14; 2.5; 200
Hot tap and Line Stop – 30″ Cooling Water line as Sasol Secunda
30; 7; 60
SEPLAT Up and Downstream Hot tap and Stopple
10-12; 80; 50
18″ HP Steam Hot tap and Line Stop
18; 42; 427
8x8x8″ Hot tap and Line Stop
8; 7; 60
0.5” x 1”x 0.5” Dutch finger Line Stop operating pressure 4000 kPa and 425 degrees operating, HP Superheated Steam
0.5; 40; 425
14×14” Line Stop operating pressure 850 kPa and 81 degrees operating, Steam/ Condensate
14; 8.5; 81
6x6x6” & 8×8″ Line Stop operating pressure at 1200 kPa and 100 degrees operating, Pump Condensate
12; 100; 100
30×30” Line Stop operating pressure at 800 kPa and 194 degrees operating, Steam
30; 8; 194
12×12” Line Stop operating pressure at 145 kPa and 28 degrees operating, Water
12; 1.5; 18
24X24”, 6×6″ Line Stop operating pressure
6 & 24; 4.2; 39
6×6”, 4×4″ and 3×3″ Line Stop operating pressure
3.4 & 6; 41.2; 95
14×14” Line Stop operating pressure
14; 0.84; 115
16×16” Line Stop operating pressure 740 kPa and 103 degrees operating, treaded water
16; 7.4; 103
Hot tapping & plugging services to replace 4 x 250 mm (10”) NB main line pipeline valves
10; 80; 50
2x3x2” Dutch Finger Line Stop operating pressure 4123 kPa and 95 degrees operating, HP Condensate
2; 41.2; 95
Refurbishment and recommissioning of 90 km x 6” multi product pipeline between APD – Akosombo. This includes 2 x 300 m bridge crossing the Volta river
6; 80; 50
Recommissioning 280 km x 200 mm NB multi product pipeline and pump stations to Bolgatanga
6; 80; 50
Hot tapping & plugging to tie in 7 pipe replacement sections. Pigging services to transfer fuel from the abandoned sections to the new pipeline sections.
10; 80; 50
Plugging of 900 mm (36”) ND water pipeline at Kendal power station to allow for tie in activities
36
Various hot taps on water transmission mains to affect tie ins at Palmiet Pump station – ranging from 750 mm dia. – 1,100 mm dia
30-48
Installation of 30″ launcher & receiver facilities on 3 sites. Hot tapping & Stoppling to install launcher & receiver facilities without pipeline shutdown
30
Five Position Stopple operation at Olifantsfontein gas pipeline deviation

Various hot taps on Secunda refinery as part of shut down preparation
Varius
Hot tapping & line plugging at N 17 gas pipeline deviation

Insitu cleaning & coating of 13,500 m x 16” crude oil pipeline in North Gawar – Abqaiq oil field.

16
Insitu cleaning & coating of 7,300 m x 20” crude oil pipeline in South Gawar – Abqaiq oil field.
20
Insitu cleaning & coating of 7,500 m x 16” crude oil pipeline in South Gawar – Abqaiq oil field.
16
In service welding Hot tapping and Stoppling activities on 16” & 18” Class 900 NG pipeline system as part of compressor installation
16 & 18
Hot tapping & stopple activity on 6” saturated steam line at 35 Barg @ 235 Deg C
6; 35; 235
16” & 18” HP Natural Gas Stopple and in-service welding
16 & 18; 40; 430
Insitu cleaning & coating of 8,500 m x 16” crude oil pipeline in Shaybah oil field
16
Hot tap 36” on 1,200 mm (48” Line stopping operation) header and plugging of water header using Peterson equipment
36
16” x 5 Position Stopple on HP natural gas pipeline
16
Insitu cleaning & coating of 6,500 m x 24” Naptha pipeline in Tolo Harbour.
24
2 x 20” Hot taps on Wet Sulphuric pipelines
20
12” Single position Stopple on crude oil system
12
Hot taps on main feeder crude pipeline in Cabinda Angola
24
4” – 12” Hot taps on steam pipelines 40 Barg @ 430˚C
4 – 12; 40; 430
Double position Stopple work to install ball valves in existing gas network., Sizes ranging from 4” up to 30”
4-30
2 x 42” Hot taps onto 4 meter diameter cooling water line
42; 15; 50
High pressure high temperature steam Hot
tapping – 12”
12
8” Single position Stopple operation
8
2 x 32” Hot taps on cooling water line
32
2 x 32” and 2 x 42” Hot taps on cooling water line to install Taprogge filter system
32 & 42
High pressure high temperature steam Stopple work – 2” & 4”
2 & 4
Double position Stopple on 12” Gas pipeline
12
16” Hot tap onto flare line