Hi-tech Mist chamber Specification
Approximate area : 192 Sq.m
Size : 20 mtr x 9.6 mtr
Centre height : 5.5 mtr
Side Height : 3.5 mtr
Structure:
Structure frame: all galvanized steel is used and design as per IS875 standards to take withstand of wind speed 120 km/h. Its assembly style without any welding point. All main parts are hot galvanized with zinc cover 275g/m2 . All Structures, Rafters, Perlins, Trusses are hot dip galvanized and designed to take a wind load up to 120 km/hr.
Pipe Sections to be used for different Structural Member or equivalent will be as below, given structure size in OD:
a) Pillar: 80 mm x 50 mm x 2 m m thickness hot galvanized rectangular tubes. Distance between pillars on lateral line: 2 m. Distance between pillars on central line: 4 m.
b) Arc: 50 mm x 50 mm x 2 mm thickness.
c) Ridge: 40 mm/41 mm.
d)Crop Bar: 41 mm x 41 mm x 2 mm thickness.
a) Trusses Tie: 32mm tube structural member will be fitted with zinc plated nuts & bolts. Frame is made by 50x50x2mm hot galvanized rectangular tubes.
f) Gutter:4m. Long, 248 mm wide and 1.5 mm thick moulding hot galvanized steel plate
g) Roof beam: 40x30x2mm hot galvanized rectangular tubes
h) Bolts and Nuts: Galvanized bolts and nuts
Nuts, bolts and other metallic parts: Includes all the elements required for joining and water tight components (such as fittings, clamps, screws and nuts plated against corrosion).
DESIGN LOADS:
A) Wind Load Resistance: 120 km/hour
B) Accessory Load Resistance: 10 kg/sq. m.
Fasteners and other metallic parts: Includes all the elements required for joining and water tightens components (such as fittings, clamps, screws and nuts plated against corrosion).
Shape: Gothic shape
Pre Entry Room & Doors:
Ante Room Vestibule: The Mist chamber will have a specific Pre Entry Room of size- 3m. x 3m. x 2.43m. (Lx W x H), made by polycarbonate sheet 6mm and galvanized tubular frame, where all the other spare items can be stored/ dumped out.
2.Sliding Doors: 1 .5 m. wide & 2m. Tall single door complete with polycarbonate sheet glazing, top & bottom tracks, . jambs, flashings & installation hardware.
Cladding :
Compl ete Pre-machined Structure and cladding wi th Polycarbonate sheet 6 m m thick multiwall U V stabilzed material.
Side Ventilation :
Manual opening & closing gear mechanism with gear box, driving shaft ,rack arch pinion ,shaft support plate ,covered with 40 mesh nylon net from inside to prevent insect entry inside the chamber , generally used during power failure , windows lift up to 1 m wide & length as per chambers length
Motorized External screen :
Motorized screen 50% black/white combination , mechanism using Gear Motor for smooth control,Pull Rod Clamp, Directing clamp, GI pipe for more long life & light i n weight.
Climate Control System :
Control system which can monitor and control Temperature, Humidity. It maintains chamber climate by optimum control ling of chamber equipment’s like cooling fan, Heaters, Internal and External screen etc. It also includes switching system for operating chamber equipment with suitable relays, contractors and safety devices.
Sensor :
Temperature& RH:
• Range: Range 0 – 50 °C and 0 – I 00%.
• Type: 4 – 20 mA
OUTPUTS:
(a) Temperature controller :
I. Fan & Pad Control :
• Control type : PIO , Multiple stage control
• Temp. Range:0.1 to 59.9°C.
• Accuracy: ± I °C.
• Hysteresis: 0.4°C
II.Heaters Control :
• Control Type : ON/OFF , Multiple stages
• Temp. Range: 0.1 to 59.9°C.
• Hysteresis: 0.4°C
III.External & Internal Screen Control:
• Control Type : Cover /uncover based on position calculation
• Temp. Range: 0.1 to 59.9°C.
• Range : 0% to I 00% cover/uncover
• Hysteresis: 0.4°C
(b) Humidity
• Control type: ON/OFF
• Range: 30% to 90%.
• Real RH : ±2%. ± I d i gi t (at 45%).
FORCED AIR COOLING :
Cooling Pad Size: 1.5 m. H x 9.6 m W x 150 mm thick & G ‘ house Evaporative CELDEC cooling pad complete
Construction Material:
• Anodized aluminum section 150 mm wide with Hinge section for top and bottom pad frame for Celdec replacement during services.
• Pad frame aluminum section- 1 70 x 220 x I 02 mm
• Side frame 150 mm x 1500 mm with distribution & returning piping.
• Aluminum drain Gutters, down spout, aluminum end caps & plumbing kit.
• Pump 1 phases 50 cycles, Drilled PVC piping cap, pad retainer, all suspension hardware.
• 40 mm distributor on Celdec pad.
• Aluminum flashing for distributor as required sealing 6″ thick evaporative cooling pad material.
• Aluminum Profiles: Tray Sides, Top Etc.
• Plastic Profiles: Water Distribution tray.
• Cooling Media: 150 mm thick Celdec 7090/SOO at velocities of 1 to 3 M/s to give efficiency from 60 to 95%.
• Filtration: 25 to 55 mm viscous filter for 30 m efficiency.
• Insect Net – 40 mesh Nylon net behind cooling pad with proper sealing.
Miscellaneous: Fasteners, Galvanized, Rivet- Aluminum.
Slow Speed Axial Flow Fan: Exhaust Fan-1250 m m, 3-phase, 380-480 v, 2.7 kw,50HZ with Inbuilt VFD.
Fan features -low-noise blade optimized for lower pressures. Fan blade is equipped with a gently serrated trailing edge and a special winglet for noise reduction. Fan flow rates up to 24,500 m 3/h and static pressure increase up to 150 Pa.
Cooling Capacity: Temperature lowers by 10°C±2°C from outside when outside maximum humidity 62% of low and temperature 35°c or above.
Heating System Qty. 02 :
Electric heat blower system 2.4 KW. Complete uniform heat circulation system has been given in this heat, so that the heat can be blown in the complete area.
Fogging system :
Fogging Nozzles, lateral pipe with supporting wire, pump with screen filter, water tank 2000 ltr etc.
Fertigation System :
• Irrigation & Fertigation system is a customized EC & pH controller.
• It monitors and controls your system in real time (pH, conductivity &temperature).
• It Optimize crop performance by providing consistent and accurate management of the feed system.
• Very Easy to operate.
• Bright, plant safe green LED with adjustable brightness .
• Auto resumes dosing on restart after power loss.
• Replaceable double junction pH sensor.
• Separate stainless steel temperature sensor for accurate ATC of pH and EC.
• Replaceable EC sensor.
• It manages the dosing of two-part nutrient solution (A & B) and pH up and control required EC and pH.
• High and low alarm control lockouts for correct dosing.
• Water tank 200 ltr for 3 nos.
Irrigation System connected by fertigation system Top movable benching system: Qty. 06
Top Movable Bench : Size: 1.2 m wide x l 8 m long x 18″ height Legs galvanized steel (legs base fixed i n concrete) 2 Roller
spacers (galvanized) Steel expended metal bench top approximate 3/4″- 1 ” diamond shape & G.I Supporting frame Benches.
2 bench each chamber.
Civil Work :
Foundation wall for Hi tech Mist Chamber WIDE BASED 1 .5′ below earth’s surface.1 .5′ above earth’s surface, as 9″ wide, Frame
base block height 3′ x 9″ x 9″ each with front side wall plinth protection 3’wide 6″ thick.
Frame base column : Galvanized channel 12 mm X 42 mm X 72 mm X 42 mm X 12 mm and 3 mm thick, C channel with Grouting
CC (I :2:4) block, each
Floor : 8″ sand filling then ground covered fixed
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