Hydrology System with PC Compatibility — MOE Lab Tender Details

Hydrology System with PC Compatibility for Fluid Mechanics Engineering Lab Equipments

The distance between two cylindrical well shall not exceed 600 mm and tapping space shall not exceed 100 mm.  
The weir chute should be designed with minimal disturbance to the surface of the water and equipped with clear polythene skirt at the bottom   
The system shall be supplied with large plastic sump tank plus a recirculating pump with 0.37 KW rating  
The outlet tank shall be equipped with pressure relief valve to limit the system pressure to 3.0 bar   
The shallow sand tank is fabricated from stainless steel for corrosion resistance.   
Quality filter mesh have to be provided at each tapping in the sand tank floor  
The equipment shall be capable to operate silica sand in the range of 1000 micron to 500 micron.   
The tank should have the capacity to hold 500 kg of sand  
The following range of models shall have to be provided along with Hydrology system  
a. Fabricated trays and rings: Circular open ended ring, 500 mm diameter x 60 mm high small square open ended ring, 300
mm x 300 mm x 60 mm high
b. Closed ring with removable central clear plastic standpipe, 500 mm diameter x 60 mm   
c. High Large rectangular open ended ring, 1000 mm x 500 mm x 60 mm high
d. Large rectangular closed ring with hole, 1000 mm x 500 mm x 60 mm   
e. Impermeable catchment: 1000 gauge Polythene sheet, sufficient to cover the catchment area.   
f. Permeable catchment: Sheets of absorbent material, sufficient to cover the catchment area.    
g. Model structures machined from solid PVC: Cylinder 25 mm diameter Rectangular bridge pier 25 mm wide, 75 mm long, 125 mm high   Rounded bridge pier        As above but with semicircular ends   Streamlined bridge pier As above but with ends chamfered(60o.)  
 
The equipment should be supplied with USB interface which can be used to measure both the water flow and the accumulation of sediment continuously using a PC.  
The system should comes with educational data logging software incorporating help texts, graph, plotting etc
Experiment Capabilities:
Determination of run-off hydrographs from model catchments including multiple storms, moving storms, effect of reservoir storage and land drains  
Construction of draw-down curves for one or two well systems in a sand  
Hydraulic gradients in ground water flow .Investigation of model stream flow in alluvial material.  
Formation of river features and development over time  
Sediment transport, bed load motion, scour and erosion  
This equipment should be designed to operate in the following environmental conditions.
a. Altitude up to 2000 m;   
b. Temperature 5 °C to 40 °C;   
c. Maximum relative humidity 80 % for temperatures up to 31 °C, decreasing linearly to 50 % relative humidity at 40 °C;   
d. The equipment should withstand Mains supply voltage fluctuations up to ±10 % of the   nominal voltage;