Majoplastics Land Drain Pipe Perf Coil – 160mm/35m

£96.20 ex VAT
£115.44 inc VAT

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Elevate Drainage Efficiency with Majoplastics Land Drain Pipe Perf Coil – 160mm/35m: The MAJO Plastics twinwall pipe system presents a versatile and cost-effective solution for your drainage needs. Crafted from high-density polyethylene (HDPE), this structured wall pipe system is engineered for gravity or low-pressure applications. With a smooth bore ensuring superior hydraulic flow and a corrugated outer wall enhancing strength, this system is designed to excel in various scenarios.

Comprehensive Functionality: These pipes are engineered to excel as an efficient alternative to non-pressurised gravity drainage systems. They’re suitable for a wide range of applications, from highway filter and carrier drains to rail track drainage, surface water management in commercial developments, golf course drainage, agricultural applications, landfill venting, and more.

A Robust Design: The MAJO Plastics twinwall pipe system boasts a combination of smooth interior surfaces for optimized flow and a corrugated exterior wall that imparts added strength. This design ensures the pipes can withstand varying conditions, making them an asset in environments demanding durability.

Carrier or Perforated Configurations: To meet diverse requirements, these pipes are available in both carrier and perforated configurations. Whether you need to manage surface water runoff or create efficient drainage pathways, the MAJO Plastics twinwall pipe system offers flexibility to suit your specific needs.

Cost-Effective and Efficient: This system isn’t just efficient; it’s also cost-effective. As a direct alternative to various gravity drainage systems, it provides a reliable solution that can save you both time and money, especially in scenarios where local authority adoption isn’t required.

Versatile Applications: From highway and railway projects to industrial developments, golf courses, and agricultural settings, the MAJO Plastics twinwall pipe system offers versatile applications. It’s a comprehensive solution that can be tailored to suit your project’s unique demands.

Invest in Excellence: Elevate your drainage efficiency and durability with the MAJO Plastics Land Drain Pipe Perf Coil. It’s a solution that speaks to superior engineering, adaptability, and a commitment to achieving optimal results.

General Installation Procedures
The Manual of Contract Documents for Highway Works, Volume1 series 500, clauses
503, 505, 518.7 and 518.8 as published by the Highways Agency.
Installation activities should be carried out by observing the requirements of relevant health and safety
at work legislation, having regard to the specific jurisdiction.

Trench Preparation:
Trench width should generally lie between outside diameter + 300mm and outside diameter +
600mm, but larger trenches are permissible.
• The trench bed should be firm and free from large stones.
• The trench width should be sufficient to allow placement and compaction of the granular fill around
the pipe.
• The trench should provide for a minimum of 150mm pipe bed and local soft spots should be removed
and replaced with hardcore.
• The pipe should sit evenly on the bed and be free of voids under the pipe. The trench should not be
excavated too far in advance of pipe installation.
• Pipes should preferably be laid to a gradient of 1:400 or as close to this as possible.
• Care should be taken during backfill to maintain the line and level of the pipeline. If necessary, pipes
should be restrained to prevent uplift.
• Pipes will perform within the required design limits under traffic loading conditions.
• The recommended minimum cover depth is as follows:
o 0.6m for non-trafficked green areas
o 0.9m to finished surface for trafficked areas not subject to Highways Agency or National Roads
Authority requirements
o 1.2m to finished surface for trafficked areas subject to Highways Agency or National Roads
Authority requirements
• In certain circumstances, lower minimum cover levels may be allowable e.g. when pipes are installed
with a rigid pavement or concrete surround.

Pipe Installation
Pipes are easily cut using conventional hand tools but should be cut square between the
• Always use the seals supplied by MAJO Plastics.
• For a watertight joint, the pipe ends and coupler should be clean and the rubber seal fitted
externally between the first and second corrugation in the pipe.
• Location of the ring between the first and second corrugation is the preferred location as this
ensures the seal reaches the greatest depth in the socket.
On the pipe, lubricate the groove between the ribs into which the seal will be inserted. Industry
recommended lubricants should be used, such water-based gel or fluid, or a silicone spray.
• Line up the axis of the pipe with the axis of the socket i.e. get the pipe and socket in a straight line
• The inside of the coupler should be lubricated and the pipe pushed fully home to the central register
either by hand or using a lever if necessary. If using levers, steps should be taken to prevent damage
to the ends of the pipe.
• Twinwall pipes and couplings must be protected against damage from site construction traffic

Maximum Cover
• The maximum cover depth can normally vary between 6 and 10 meters when installed in accordance
with series 500 of the MCDHW, Volume 1
• The maximum allowable cover depth is dependent on the following installation parameters, and
may possibly exceed 10 meters:
o Soil stiffness
o Factor of safety
o Pipe bed and surround stiffness
o Size of trench
o Density of the overburden
o Hydrostatic loading
o Maximum allowable deflection limit

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