| عنوان | مقدار |
|---|---|
| Client | Iranian Ministry of Agriculture - Soil and Water Department - Project Implementer of Sistan Plain Irrigation Plan |
| Advisor | Abkavosh Sarzamin Consulting Engineers |
| Contract Period | 20 months + 4 months (engineering services) |
| Location | Zabol, Nimruz, Northwest of Mirabdollah Village |
| Status | Finished |
Description
The continuous water scarcity in the region and the need to develop a proper plan to pursue the concerns expressed by the Iranian Supreme Leader and address the problems faced by the residents, the Iranian Ministry of Agriculture set out to carry out this project. To this end, the water supply resources needed for irrigation of the agricultural fields were expected to be provided from Chah Nimeh sites 1, 2, and 4. The project’s objectives included construction of a dam, pumping stations, and water transmission pipelines delivering water to agricultural fields. 130,000 hectares of the region have agricultural potential. In this project, water will be delivered to 46,000 hectares of agricultural land. Thus, this sustainable and safe supply of water to agricultural fields can contribute to the promotion of modern agriculture in the region.
Scope of Work
- Receiving the steel pipes at the project site and implementing external coating operations using bitumen glaze and non-woven fiberglass reinforcing wraps (felt) with a final thickness of 5.5 mm (lining, first bitumen layer, first wrapped layer, second bitumen layer, second wrapped layer) – Class 3 and internal coating operations using the concrete coating technique
- Installing, testing, and commissioning the steel pipelines: Installing 3 pipes (with 1800, 2000, and 1400 mm diameters) in a 2,652-m trench
- Installing, testing, and commissioning the steel pipelines: Installing 2 pipes (with 1800 and 1800 mm diameters) in an 8,493-m trench and 2 pipes (with 1800 and 1400 mm diameters) in a 1,056-m trench
- Installing, testing, and commissioning 1800-mm steel transmission pipelines, 6,761 m
- Installing, testing, and commissioning 1400-mm GRP transmission pipelines, 34,837 m
- Internal and external coating of sleeves
- Supplying, loading, transporting, unloading, installing, commissioning, and testing valves, fittings, equipment, relevant accessories, and all the items specified for the full implementation and operation of the pipeline not being supplied by the client. All these items shall be supplied by the contractor as per the listed quantities annexed to the contract.
- Supplying, loading, transporting, unloading, installing, testing, and commissioning the CPS equipment
- Supplying, transporting, loading, and installing all GPR pipe fittings (elbows, converters, pipe tees, etc.) (As per the listed quantities annexed to the contract)
- Constructing butterfly and gate on/off valve chambers, air release chambers, and water discharge chambers based on the technical specifications provided in the contract documents
- Constructing cross structures along the pipeline route: Crossing over Sistan River, and other rivers and watercourses intersecting with the transmission pipeline, asphalted roads (pipe jacking if necessary), canals, rural roads as per the provided technical specifications
- Running hydrostatic and other relevant necessary tests for commissioning and experimental operation of pipelines, valves, and other equipment installed along the transmission pipeline route
- Constructing service roads for transmission pipelines
Key Statistics
- Excavation and transportation of excavated material, 900,000 m3
- Supply and utilization of aggregated base to reinforce the road bed and paving the detours, 50,000 m3
- Supply of the materials for prime coating and take coating and the required bitumen for the asphalting operation, 148,000 kg
- Pipe laying (1400-mm joint-welded steel pipes, approx. 5,660 m)
- Pipe laying (1800-mm joint-welded steel pipes, approx. 27,455 m)
- Pipe laying (2000-mm joint-welded steel pipes, approx. 2,652 m)
- Pipe jacking (1400-mm and 1800-mm steel pipes) inside steel casings at intersections with asphalted roads, approx. 900 m
- Pipe laying (1400-mm fiberglass pipes, approx. 34,000 m)
- Installing 600 steel valves and fittings (200-2000 mm in diameter)
- Construction of concrete chambers, 3,000 m3
- Derusting internal and external surfaces of steel pipes (1400-2000 in diameter) using shot-grit blasting for external surfaces and bristle blasting for internal surfaces, 200,000 m2
- Supply, loading, transportation, and unloading insulating materials, including primers, bitumen, and upper and lower wrappings used for covering pipes, fittings and other steel accessories, 200,000 m2
- Using pipe-wraps and lining coating with sand and cement mortar, 198,000 m2
- Supply, loading, unloading, and installation of all CPS accessories and equipment, and placement of marker and potential measurement points along the steel pipelines
- Supply, loading, transportation, and unloading of crushed stone materials (70,000 m3) with maximum gradation of 19 mm to be used as lower and lateral filters for 1400-mm fiberglass pipes (70% of pipe diameter)
- Supply of pebble stones, dry stones, and carcass stones used in bedding reinforcement and foundation pouring, 40,000 m3
- Supply, cutting, bending, and placement of different types of rebars in 10 to 20 sizes (AII and AIII), 580,000 kg
- Cutting, welding, and manufacturing different steel accessories and fittings (pipe tees, elbows, and converters), 120,000 kg
- Material supply, concrete pouring (C20, C16, C10, C25), approx. 12,000 m3
- Metal formworks, 10,000 m2
- Supply, loading, transportation, and unloading of pipes, fittings, and other steel accessories (200-2000 mm in diameter) including pipe tees, steel flat flanges, blind flanges, flap valves, and polymer and cast-iron valves, etc.
- Supply, loading, transportation, and unloading of 140 GRP flanged branch tees (200, 300, 800, and 1400 mm in diameter), and fiberglass flanged spigot and elbow (4-45 degrees) pipes
- Steel trench sheeting (both walls), 10,000 m2
- Preparation of shafts and other equipment and pipe jacking (1800- and 2200- mm steel pipes), 800 m
