Bids Are Invited For Metric Surveying Chains-Is:1492 ( Q3 ) , Measuring Tape ( Q3 ) , Surveying Chain Pins ( Arrows ) -Is:1842 ( Q3 ) , Spirit Level ( Q3 ) , Geological Compass ( Q3 ) , Hammers-Is 841:1983 ( Q4 ) , Fixed Tripod - Surveying Accessories ( Q4 ) , Magnetic Compass ( Q4 ) , Laboratory Drying Oven ( Q3 ) , Flow Table ( Northern Coalfields Limited ) ( Q3 ) , Flexural Testing Apparatus Of Concrete - Is 9399 ( Q3 ) , Ultrasonic Pulsevelocity Tester ( Q3 ) , Test Sieves - As Per Is 460 Part 1 Andpart 2 ( Q3 ) , Digital Spring Testing Machine ( Q3 ) , Trowel -Asper Is 6013 ( Q4 ) , Tensile Testing Machine ( Q3 ) , Scales ( Steel Scale ) As Per Is:1481 ( Q4 ) , Internal Micrometer-Is:2966 ( Q3 ) , Folding Type Levelling Staff-Is:1779 ( Q3 ) Total Quantity : 91