Irrigation Department Tender
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Costs
EMD
₹ 4,262Document Cost
₹ 1,000Tender Fee
Refer Documents
Summary
Mhis 2024- 25 Procurement Of Meteorological Equipments- Srg Fcs Equipments In Manual Gauging Stations For Replacing The Obsolete Equipments Under Hydrology Sub Division, Kozhikode
Description
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Contact
Tender Id
2024_Irrig_720969_1Tender No
ET-08/AEE/HYDKKD/2024-25Tender Authority
Irrigation Department ViewPurchaser Address
-Website
http://http://www.irrigation.kerala.gov.in/
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Documents
BOQ Items
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2.1 Conditions & Requirements
• The sunshine recorder and cards shall comply with IS 7243-1974 2.2 Specifications
Size base 200 mm, sphere radius 79.6 mm
Base good quality marble or similar stone, black or white
Sphere uniform and well annealed glass and having a focal length of
74.9 ± 0.25 mm
Bowl tin bronze
Pivot brass Sunshine Cards, made of white paste board Properties When dry After immersion inwater for 18 hours After drying Length down board 127 mm 127 mm not less than 125.7 mm
Width across board 25.4 mm not more than 25.9 mm not less than 25.1 mm
Thickness 0.43 to not more than 0.76 mm 0.48 mm
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17000
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Supplying of COUNTER TYPE ANEMOMETER
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3.1 Conditions & Requirements
• The instrument shall be of such a design that it operates reliably and accurately under the prevailing environmental and weather conditions.
• The instrument shall be easy to operate and maintain.
• The instrument shall be supplied with the accessories as needed for effective deployment. • All materials on the instrument exterior shall be non-corrosive.
• The instrument shall have an expected technical lifetime of not less than 10 years. • An operator’s manual, related to the type and model of the instrument, shall be part of the delivery. • A suitable non-reset direct-drive revolution counter adding one count for each one- tenth revolution of the drive shaft in one direction shall be used. • The ratio between gears shall be such that 1 count equals 100 m/s.
• The anemometer shall comply to IS 5912-1970. 3.2 Specifications
i. Sensing Range 50 m/s
Accuracy up to 2.5 m/s, 0.25 m/s
Above 2.5 m/s, 10% FS
ii. Materials
Cups copper or aluminium sheet 0.71 mm thickness
Centre spindle stainless steel rod
Worm on spindle manganese bronze alloy
Worm wheel hard brass
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10000
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Supplying of HYGROGRAPH, HAIR STRING TYPE
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4.1 Conditions & Requirements
• The general arrangement and main dimensions of the hair hygrograph and charts shall
comply with IS 5900-1970. 4.2 Specifications
Range 0 to 100% RH
Accuracy above 20%: 5% RH
Recording resolution ± 0.2% RH
Housing material FRP or aluminium
Recording mechanism drum, driven by clockwork
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37800
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Supplying of THERMOGRAPH, BIMETALLIC TYPE
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5.1 Conditions & Requirements • The general arrangement and main dimensions of the thermograph and charts shall
comply with IS 5901-1970 5.2 Specifications
Range -20 to 60 °C
Accuracy 1 °C
Recording resolution 0.2 °C
Housing material FRP or aluminium
Recording mechanism drum, driven by clockwork
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30000
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Supplying of EVAPORIMETER, US CLASS A PAN
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6.1 Conditions & Requirements • The pan shall comply with IS 5973 - 1998.
• Civil works will be finalised in collaboration with the supplier. 6.2 Specifications i. Pan Size 1.22 x 0.255 m (diameter x height)
Accuracy of reading 0.1 mm
Pan evaporimeter copper sheet of thickness 1.0 ±0.1 mm point gauge and still well
Brass ii. Measuring cylinder Material clean cast seamless acrylic plastic tubing or brass sheet
Bottom plate acrylic plastic sheet
Thermometer clamp brass
Platform rot resistant timber treated with creosote or other effective wood preservative
Inner diameter 122 mm
Graduation in cm. Warranty: 3 year comprehensive for all equipments as detailed above
1
50700
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