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MWANZA SEMINAR
22nd July 2015
PLASCO OVERVIEWCASE STUDIES
Application Field Irrigation Pipelines
A typical irrigation network using PE pipes
Application Field Irrigation Pipelines
Tea irrigation in a mountainous terrain
Challenge :
Mix of buried or fixed mains and portable sub-mains and laterals
Movable system required for 160Ha plantation
200mm dia. main pipeline subject to constant water hammer due to changes in elevation
Considerable axial forces on the pipes due to sloping terrain
Solution :
Water drawn from river at 400gal/min at 95metre head and carried through a network of mains, sub-main and lateral lines to the
sprinkler heads which irrigate the crop
Dual feeder mains installed one on top of another using special clamps
Jointing of main lines by butt welding
Portable irrigation sub-mains and laterals (160mm & 110mm) fitted with quick release couplings.
Overall length of the system 5.4km
All pipes and fittings in the project manufactured from PE
Application Drip & Spray Irrigation Laterals
Food crop growers
Challenge :
Thirsty crops requiring large volumes of water
Replace flood irrigation system for better water
utilisation in water-scarce areas, hence
improve yields
Affordable system to farmers
Long lifetime of system
Enable increased acreage of planting using
available water
Solution :
20mm drip irrigation PE pipes
2 litre/hr. drip irrigation system
Application Field Irrigation Pipelines
Sugarcane irrigation system
upgrade
Challenge :
Mix of buried fixed and sub-mains
consisting of AC pipes, PVC pipes
and Steel pipes over 30 years old
Connection of new PE pipeline to
other types of existing pipes
Solution :
Upgraded 3.2km of pipeline to PE
ranging from 160mm to 315mm
diameter
Jointing of main lines by butt
welding and wide range flanges to
connect to other existing pipes
Application Field Irrigation Pipelines
Rice irrigation project
Challenge :
Installation of new main line for 200Ha plantation followed by sub-main and
laterals
Uneven terrain and high water table causing frequent soil movements and
considerable axial forces on the
pipeline
Improve conveyance and application efficiency
Solution :
630mm main PE pipeline
Replace man-made canals with 500mm PE pipeline
Jointing of main line by butt welding
Overall length of the system 4.5km
Rice irrigation project
630mm PN4 Manufactured and installed by Plasco
Application Hydro Power Plants
Mini Hydro for Coffee plantation
Challenge :
Replacement of 315mm PVC and Steel pipe for new power generating
unit
Uneven and rough terrain causing considerable axial forces on the
pipeline
Restricted space and maneuverability
Solution :
630mm main PE pipeline to replace existing 315mm PVC and Steel
pipes
Jointing of main line by butt welding
Overall length of the system 0.5km
Mini Hydro for Coffee plantation
630mm PN6 Manufactured and installed by Plasco
Home grown piping solutions from local partnersPLASCO
Complete Piping Solutions and Technical Advice provided
Efficient service and value for money
Quality is assured first time every time
Local regional supplier of Large Diameter HDPE Pipes
Minimal working capital required
Imported pipes are subject to Duties
ZERO duties within COMESA trading block
Reduced delivery time
Ongoing after-sales support and services through pro-active
follow up on performance of piping solutions from Plasco
Standards are always maintained
Commitment to continual self improvement
10
THANK YOU
11
PLASCO LTD.
Your one-stop-shop for
piping solutions
www.plasco.co.tz
Sales Hotlines : +255 717 752 726 / +255 686 350 543 / +255 769 756 495
