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Welding, Coating, and Testing Works for Valves and Fittings – TSE Network Project (Green Riyadh)

Contract No.: 46/5970/101

Client: Royal commission of Riyadh City

Main Contractor :- Maramer Contracting Co.

Sub Contractor:- Assab Contracting Company

Scope of Work:

Installation of carbon steel pipes, fittings, and valves.

Welding works for all joints and connections.

Coating, wrapping, and corrosion protection works.

Hydrostatic testing, pneumatic testing, and commissioning.

Supply of all materials required for installation (where specified).

Compliance with technical specifications and safety standards.

Earthwork Contract: Excavation, Backfilling, Dewatering, Sand Bedding, Levelling, and Surveying Works – TSE Network Project (Group Nine)

Contract No.: 1446/SGC/492

Client :- Royal commission for Riyadh City

Main Contractor:- Abdullah Ibrahim Alsayegh and Sons Company

Sub Contractor:- Assab contracting company

Scope of Work:

Complete excavation works for all soil types according to project specifications.

Backfilling and compaction in layers to required densities.

Dewatering activities for all excavated areas as required.

Sand bedding preparation below pipelines and structures

Levelling, grading, and final surface preparation.

Full surveying works including setting-out, levels verification, and as-built support. Compliance with all technical specifications and safety requirements

Carbon Steel Pipes, Valves, and Fittings Installation & Welding Works Contract – Construction of TSE Network for Green Riyadh Program (Group Eleven)

Contract No.: BNY-GRN201-CONTRACT2025-0011-REV01

Client: Royal commission for Riyadh City

MAIN CONTRACTOR:- Saudi Real Estate Infrastructure Company (Binyah)

Sub Contractor : Assab Contracting Company

Scope of Work:

Installation of carbon steel pipes, valves, and fittings. Welding and fabrication works for all pipe sections.

Testing, commissioning, and quality control of the installed network. Executing all mechanical works for TSE transmission lines.

Coordination with the main contractor and adherence to all project specifications.

Performing all construction ctivities as per approved IFC drawings and project conditions.

Treated Water Network Implementation Project for the Green Riyadh Program G16

Contract No:- 011/25/G/R16-G/MK

Client:- Royal Commissioning of Riyadh City

Main Contractor : MGC

Sub Contractor:- Assab Contracting Company

​Scope of Work:

Implementation of the treated water network for the Green Riyadh Program (Group Sixteen of the First Axis). The work includes all supply, installation of pipeline for contracting activities.

Construction of ABHA WTS Ph-2 Pt-B

Contract No. SSEM-PR-8425 /P.O. No. SSEM-PO-9080

Client:- SWA/ WTCO

Main Contractor :- SSEM

Sub Contractor :- Assab Contracting Company

​Scope of Work :-

Contract for spool fabrication, which includes HHS coating and installation services for the Abha Water Treatment Station Phase 2, Part B.

Earthwork Contract: Excavation, Backfilling, Dewatering.

Contract No.: WS053CR

Client :- Royal commissioning of Riyadh City

Main Contractor:- Haif Trading & Contracting Co

Sub Contractor:- Assab contracting company

Scope of work:

Site preparation

Excavation works

Dewatering operations

Backfilling and compaction

Trenching for utilities

Shoring and excavation safety measures

Material handling and transportation

Water Transmission pipeline and Storage System piping

​Contract Number: MGC/N/24/45

​Client: NEOM

​Main Contractor: Mutlaq Al-Ghowairi Contracting Co.

​Sub-contractor: Assab Contracting Company.

​Scope of Work:-

​execution of Water Transmission System which with ​Transferring water from the main reservoir to the pressurized holding tank.

​Performing welding and repair works.

​Executing all necessary administrative and technical works equired for the project's completion.