Specifications:
The document outlines the specifications for IDRO polyethylene pipes used in irrigation systems. These pipes are black with optional green identification stripes and comply with UNI 7990 and ISO 8779 standards. They are suitable for both fixed and mobile irrigation systems in agriculture and horticulture.

Procedures:
The installation of IDRO pipes requires specific procedures to ensure efficiency and safety. This includes equipping systems with control devices such as pressure regulation valves, air release valves, drainage valves, and check valves to prevent flow reversal. The pipes are not suitable for potable water, fire-fighting systems, industrial uses, or applications requiring constant pressure.

Operating Conditions:
The choice of pipe type depends on the operating pressure of the system, considering pressure variations during valve operations. The maximum pressure varies with water temperature, as detailed in a provided table.

Pressure Losses:
Pressure losses can be calculated using the Blasius formula, with an example provided for a flow rate of 45 l/s and a diameter of 200 mm resulting in a pressure loss of 7 m/km.

Thermal Expansion:
Thermal expansion must be considered, especially for above-ground installations. The document provides a formula for calculating the change in pipe length due to temperature variations.

Installation Guidelines:
IDRO pipes can be installed both underground and above ground. For underground installations, a minimum depth of 1 meter is required to protect against surface loads. The installation bed must be leveled and free of debris, with a sand layer of at least 10 cm for support and coverage.

Recommendations:
The choice of pipe is subject to project-specific variables such as flow rate, soil nature, and installation technique. Compliance with current regulations is essential, and the responsibility lies with the project designer.