This document provides guidelines for marking important levels and information on bridges according to the Indian Railway Bridge Manual. It describes how to mark the danger level, highest flood level, and other indicators like flood level gauges, bridge name boards, bridge tablets, and inscription plaques with standardized colors, sizes, and ...

2023年7月13日 · Marking of HFL-DL On Bridge | हिंदी में जाने DL & HFL क्या होता है । DL | HFL | what is Denger Level#centralgovernment #indianrailways #globalstar # ...

2.9 HIGHEST FLOOD LEVEL (HFL) is the highest water level known to have occurred. 2.10 LOW WATER LEVEL (LWL) is the water level generally obtained during dry weather. Low water level is determined from gauge levels of the river for the period as large as possible from the consideration of obtaining the longest possible working period.

The danger level is determined based on the type of river (perennial alluvial rivers being more of a problem), the type of the bridge and its spans, the flow velocity, etc. 'HFL' or High Flood Level indicates the level of the highest known flood level recorded at that location.

2018年3月24日 · Afflux is the rise in the flood level of the river, up stream of a bridge, as a result of the obstruction to natural flow caused by the construction of the bridge. Afflux is normally measured as difference in water level between up stream and down stream of the bridge. Where – ha = Afflux in meter. V = Velocity of approach in meter per second. A =

SOUTH CENTRAL RAILWAY Headquarters Office, Works Branch, Rail Nilayam, 5th Floor Secunderabad-500025 . Format for inspection of Minor Bridges ... 13 Marking of HFL, DL (HFL & DL are marked correctly or not) 14 Any other deficiencies …

(iii) Key details such as HFL, LWL, Bed Level, Scoured Bed Level, Founding Level, Grip Lengths, Diameter of Pile/Well, Well/Pile cap Level, etc. should be shown in the GAD. (iv) Whether distance between existing and proposed bridge has been adequately provided? RDSO letter No. CBS/DWF dated 15.07.2019

It is the difference between HFL and top of the approach, embankment, dam or protective work e.g. guide bund, marginal bund etc. Normally it is kept not less than 1.0 m. 5.

W.L. Hfl and dl marking in bridge - Free download as PDF File (.pdf), Text File (.txt) or read online for free.

Ministry of Railways (Railway Board) have decided that correction/addition/modification as indicated in the enclosed Advance Correction Slip No.37 date409.10.2019 to relevant paras of the IRBM be made.