Tender For Upgradation Of Existing Green Belts And Central Verges On Master Plan Roads In Dwarka.Sh:- Sitc Ofdrip Irrigation System For Horticulture Purpose On Road No. 224, 210 & 209.; 1 Providing, laying & jointing and commissioning of HDPE pipe of 63 MM OD PN 6 PE 100 conforming to IS:4984 :2000 and suitable for the respective working pressures with all Electrofusion fittings and accessories e.g. couplings, tees, bends, reducers, screwed adapters, flanged tail pieces etc. jointing as per manufacturers instruction, including earth work in excavation and refilling (Earth work includes 450mm of soil cover over the pipe and width of 300mm). 2 Providing & Fixing of16mm/30cm/2LPH dripline with all necessory fittings like take odd, grovemet, tee elbow etc. Pipe Material: Virgin LLDPE (UV stabilized), Wall Thickness: 1.0 ± 0.1 mm, Operating Pressure Range: 0.8 – 4.0 kg/cm² Flow Path: Turbulent flow path to minimize clogging. 3 Providing and Fixing ofPVC ball valve single union of 40 mm dia PN 6 with all necessory fittings. Body Material: Plasticized Polyvinyl Chloride (uPVC / PVC-U). Handle: High-strength ABS / PVC, ergonomically designed. Test Pressure: 1.5 × PN (Hydrostatic). Colour: Grey, UV Stabilized. 4 Providing & Fixing of 3/4 One piece Plastic QCV along with key and sweil elbow. It has auto close lid made of heavy duty rubber when QCV is not in use, one piece construction, having stainless steel spring. Body Material: High-strength engineering plastic (Polypropylene). Pressure Rating: PN 6 (6 kg/cm² at 27 °C). Operating Pressure Range: 1.0 – 6.0 kg/cm² 5 Providing and Fixing of PP Service Saddle of63 mmX3/4 with brass bush and 3/4 Nipple of sutaible height. 6 Providing & Fixing of Valve box 6 Round Valve Box with cover. The valve boxes shall be high strength, high density polyethylene constructed material. It should be UV stabilizer with anti oxidants, resistant to moisture. Top Diameter (Cover OD): ~6 inch (150 mm). Height: ~8 inch (200 mm) 7 Providing & Fixing of3 way pilot operatedQuickPressure relief valve size 2 along with bypass arrangement.. It shall be adjustable Pressure setting from 21 PSI - 130 PSI for maximize performance. It has 3 way pilot with 4 ports of the size 1/8-28 BSP at a tempreture of 600c.It should be made of high streangth engineering plastic with great durability and corrosion resistance. Its pilot has glass reinforced plastic base and cap for streangth, Pilot has a max height of 155 mm and width of 69 mm. . 8 Providing & Fixing of a double acting Continuous Air release & Vacuum Relief valve 2 made of Aluminum. The Continuous Air release valve shall be capable of both releasing and admitting air from and into the line during system operation. The minimum sealing pressure of the valve is 7 PSI while working pressure shall be 7-150 PSI. The valve height should be 266, width 135 mm and weight should be 2640 gm. 9 Providing & Fixing of filter (120 mesh) 25m3 /hr having an inlet & two outlets connections of 3, 2 pressure gauze ports of 3/4 ,a helix made of fiber glass reinforce polyamide at base of screen filter cartridge to create a helical effect in the incoming water ,spinning particulate in suspension away from the filtering element and so minimizing cleanings frequency ,3/4 outlet for flushing at bottom of filter & maximum working pressure of 14 bars. 10 Providing & Fixing of Pressure Gauge (Glycerine filled and stainless steel body). Accuracy: ± 2% of F.S, Operating Pressure Range: 75% of Scale Value,Case & Bezel: Engineering Plastic (Push Fit Type), Socket: Copper Alloy, Joints: Alloy Brazing/ Soldering,Dial: Plastic, Black Graduation on White Background 11 Providing and Fixing ofenclosure for electrical equipment duly powder coated with complying to IP 55 with dimension 500(H)x 500(W)x 210 (D) MM along with mounting plate, Bottom gland plate, Faricated out of CRCA steel sheet 16/14 SWG. 12 Providing and Fixing ofBooster Pump Capable of Discharging2.0 lps at 30 mtr Head with Control Panel Suction and Delivery assembly 13 Providing and Fixing ofWater Level Sensor. It should be have low and high level both andwill swith off the pump in event of water goes below the set level of sensor to avoide the dry run the pump and shutt off valve to avoide overflow. Input Voltage: 220 VAC, Out put Current 5A, Water dip senser SS. 14 Providing & Fixingof2 BSP Straight flow 3 way Solenoid valve with victaulic grooved coupling flow control and pressure regulation unit which shall be normally closed 24 VAC 50/60 cycle solenoid actuated angle pattern design. The valve pressure rating shall not be less than 10.5 bar. The valve body shall be constructed of high-impact, weather-resistant Nylon Glass Filled with heavy duty diaphragm and stainless steel screws, fasteners and components. The valve shall have manual open/close control (internal bleed) for manual opening and closing of valve without electrically energizing the solenoid, manual bleed can be removed for tamper proof operation. The valve shall operate with minimum 24 VAC at 10.5 bar. The valve must open or close in less than 1 minute at 10.5 bar, and less than 30 seconds at 0.7 bar. The valve construction shall provide for all internal parts to be removable from the top of the valve without disturbing the valve installation. 15 Providing and Fixing ofsingle station BOC. With IP 68 watertight eloserbody, Power supply: 2 alkaline battaries 1.5volts, backlift screen with closer lid, Low battery signal Maximum nos of zone-1, Number of programs-1, start time per program-1, Maximum nos of starts per day:8, minimum irrigation time per zone: 1 minute, Maximum irrigation time per zone: 180 min, Irrigation frequency: from every 6 hours to every 15 days. 16 Moling / Drillingup 150 mm dia bore with trenchless method by manual / mechanical means and fixing 150 mm dia MS pipe under the road or any other area in all types of soil including hire & running charges of all equipments, tools, plants and machineries required for the job all complete as per Direction of Engineer-in-charge.
