WebBoning rods are made in set of three, and many consist of three ' T ' s haped rods, each of equal size and shape, or two rods identical to each other and a third one consisting of … WebNov 5, 2024 · Based on type, the market is further bifurcated into foresight, traveler, and backsight. All the three types of boning rods are often used together to measure the depth of excavated sights. The 'kit' consists of typically identical boning rods, although when 'fixed' sight rails are used, the 'traveller' may be constructed to a specified length.
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WebSight rails are usually offset 2 or 3 metres at right angles to construction lines to avoid them being damaged as excavations proceed. Travellers and boning rods A traveller is similar in appearance to a sight rail on a single … http://www.becbapatla.ac.in:8080/html/scheme/schemes-semII-16-17/4.Fourth%20sem/14CE403.pdf fish and coal building kings cross
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Websight rails and boning rods at every 100 meters wherever neccessary as directed,removal of slumps and other deleterious matter,dressing of sides and levelling the bottom of trench to the extent required,utilising the available excavated earth locally for the work etc.,complete in the following strata. KUWSDB SR 15-16,Sl No Vii 3,Pg No 11 a) - do WebTravellers and Boning Rods. A traveller is similar in appearance to a sight rail on a single support and is portable. The length from upper edge to the base should be a convenient dimension to the nearest half metre. Travellers are used in conjunction with sight rails. WebMay 19, 2024 · • Sight rail: Sight rails are usually offset 2 or 3 m at right angles to construction lines to avoid them being damaged as excavations proceed. 32. • Travellers … fish and click ifremer