Islamabad - Ilam 30-inch gas transmission line project
Description
Islamabad-Ilam 30-inch gas transmission line project
Type
Construction of Ilam-Islamabad gas transmission line (first area)
Project size
Construction of about 50 km of 30 and 16 inch gas transmission pipelines
Employer
Ilam Province Gas Company
Year of implementation
2006
Project description
The first phase of the 30-inch Ilam-Islamabad gas transmission pipeline consists of two parts.
a) The first section starts from within the Ilam refinery (Chavar area) and continues with a 30-inch diameter pipe to the exit point of the fence of the automatic shut-off valve station located at 550 + 38 km.
b) The second section of 693 + 9 km of 30-inch transmission line (subject of paragraph A) begins with a branch with a diameter of 16 inches and continues to the CGS station of Ilam city located at km 974 + 11 from the branch.
The most important things about the contract
Execution work related to the complete installation of about 50 km of 30 and 16 inch gas transmission pipelines
Carrying out civil and structural works such as drilling to prepare canals and leveling the runway of construction operations in the places required for trench correction
Construction of technical buildings, embankments, slope correction, construction and installation of concrete weights, technical buildings required for concrete or stone, including bridges, water features, retaining walls and guarantors according to drawings and technical specifications
Construction of a canal in the axis of the pipeline route based on drawings
Perform welding of pipes and fittings and radiography of welded
Delivery of load in transporting pipes and fittings is the responsibility of the employer to the necessary points in the piping route
Cleaning the outer surface of parts without pipe cover according to SHOT BLAST or CRIT BLAST method
Hot tubing in a fixed workshop, welding welds, fittings for side accessories to the system with a tape cover for the worker
Align the pipes along the channel along the path to the thickness of the pipes at the points shown in the route maps.
Bend pipes at required points
Repairing the cover of pipes whose cover has been damaged for any reason and insulating all pipes and fodder connections inside the stations
Laying the pipe on the trench floor and on a bed of soft sand or aerated sand
Pouring sifted soft soil or aerated sand on the pipes or increasing hand soils caused by digging a trench to fill the trench and creating fish dust on the canal
Installation of pipe markings and measuring points of cathodic protection potential according to the map along the path
Cleaning the route and transporting excess soils from canal digging
Carrying out the necessary operations to pass pipes through rivers, aqueducts .... Plastic and concrete cover
Carrying out operations to cross underground obstacles such as pipes, telephone cables ...
Perform operations to cross the pipe through main and secondary roads
Performing hydrostatic pressure test of transmission line and stations
Covering all underground installations and painting installations on the ground
Mapping the route of the line after its construction and drawing ASBUILT drawings for the approval of the supervising engineer
Install the ball sending station
Install crossroads stations
Installation of automatic shut-off valve stations
CGC pressure reducing stations in Ilam city