Poly house construction and drip irrigation system construction work (including material)

Polyhouse –Technical Specifications 1. Size & Shape • Size: 40 feet × 60 feet • Type: Arch-shaped polyhouse • Center Height: 15 feet • Side Height: 11 feet 2. Base / Foundation (Description) 1. Ground Preparation • The land must be excavated, filled with at least 45 cm murrum, and leveled properly. 2. Pole Foundation • Galvanized Iron (GI) pipes must be fixed in the ground using cement concrete. • Hole size for each pole: 0.45 m × 0.45 m × 0.50 m deep. • Distance between two poles should not be more than 3 meters. 3. Side Brick Wall • A small brick wall of 20 cm height and 20 cm width should be built around the entire structure. 4. Center Path • In the middle of the polyhouse, a path of interlocking pavement blocks should be made. • Path size: 17.88 m × 1.50 m. 5. Plant Beds • Beds should be built on both sides of the path. • Beds should be made using brickwork and plastered. • Beds should be placed at 90° (right angle) to the path. • Each bed: • Inner width: 1 meter • Side wall height: 20 cm • Distance between two beds: 35 cm (including sidewalls). • The gap between two bed walls should be filled with M-20 cement concrete, and plaster should be done on all brickwork. 3. Structure (Simple Description) 1. Material • Entire structure should be made from Galvanized Iron (GI) steel, hot-dip galvanized. • Structure must follow IS 875 standard and withstand 120 km/h wind speed. 2. Poles and Pipes • Main column GI pipes: 1.5 inch x 1.5 inch square pipes • Arch base GI pipes: 1.5 inch x 1.5 inch square pipes • Purlins: 1.5 inch x 1.5 inch square pipes • Remaining structure pipes: 2 inch x 2 inch square pipes • All GI pipes should be fixed into cement concrete in the ground. 3. Door • 2 Aluminium frame doors with 6mm polycarbonate sheet. One door should be at front and the other at the back 4. Distance Between Columns • Maximum 3 meters. 4. Cladding (Covering Materials) 1. Poly Film • 200-micron UV-stabilized film • More than 80% light transmission • From a major/reputed brand 2. Insect Net • 40-mesh insect net on both long sides • Net height: from 1 meter above ground up to 2.5 meters • Poly film in net area should be foldable to allow airflow. 3. Shade Net • Shade-net curtains should be fixed inside the polyhouse to cover plant beds when needed. 5. Overhead Irrigation / Fogger System • Hanging foggers with lateral pipes, supporting wire, and MS support frame. • Fogger parts must be from a major/reputed brand. • 1 HP pump should be provided. • 1000-liter water tank for fogger supply.

Drip Irrigation System - The project requires the setup of two independent systems: • Site 1: Installation for 500 beds. • Site 2: Installation for 100 beds. • Scope of Work and Materials Required Your quote must cover all labor, materials, and installation for the following requirements: 1. Bed Irrigation Setup (for all 600 beds): • Bed Dimensions: 10 meters (length) x 0.15 meters (width) x 1.20 meters (height). • Drip Lines: Four parallel drip line per bed, which may extend in length to consecutive beds. Emitter (dripper) spacing of drip lines should be 6 inch • Fittings: All necessary 16mm pipes, O-rings, take-ups, and 16mm valves connecting to the main line. 2. Underground Main Supply Line: • Pipe: 75mm diameter, 4-gauge PVC pipe. • Installation: Pipe must be installed 1 meter below ground level. • Total Length: Approximately 550 meters of underground piping across both sites • Water Source Setup: Supply and installation of a 5000-liter water tank. • Pumping: Supply and installation of a 5 HP motor. • Filtration & Fertigation: Installation of a Screen Filter, a Sand Filter, and a Venturi injector system for fertilizer application. 4. Site 2 Specific Equipment (for 100 beds location): • Water Source Setup: Supply and installation of a 1000-liter water tank. • Pumping: Supply and installation of a 3 HP motor. • Filtration & Fertigation: Installation of a Screen Filter, a Sand Filter, and a Venturi injector system for fertilizer application. • Valves to be provided as per requirement for sectorwise irrigation

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