Q Bank for Civil Engineer LDCE Exam- Write Short Notes on (25)

 Q No. 11: Write short notes on any five of the following:

(a) Quality Control measures at the Renewal sites of contractors 

(b) Imprest Store

(c) Classification of defects, Marking & action taken in USFD 

(d) Maintenance precaution in LWR Track 

(e) Permitted location of LWR 

(f) Stock Sheet 

(g) Main duties of ADEN 

(a)     Quality Control measures at the Renewal sites of contractors:- It is very  important to ensure the quality of work at renewal sites as the contractor labour  are not careful about to maintains the track parameters within the safe permissible limits. Hence to ensure the track parameters within safe and permissible limits the following measures have been taken. 

i. Only qualified and experienced supervisors should be deputed to execute the work. 

ii. Contractors supervisors should be qualified and experienced, his knowledge must be examine by the officers not below the post of ADEN and a competency certificate  should be issued in this regard. 

iii. Work should not be started without the presence of both the supervisors. 

iv. Sufficient and skilled labour should be available before a start of the work. v. Proper site order book should be maintained at site and regular inspection and monitoring of track parameters must be ensured. 

vi. A separate register named the quality control register should be maintained at site. 

vii.  At the end of the day’s work all the relevant track parameters are measured not down  in the quality control register carefully. A safety certificate will be given by the railway supervisor that “The track parameters of the work done today are noted  carefully and found safe for the passage of train at the imposed speed at the work site. 

viii.  Any unusual/unsafe track parameters must be attended before leaving the site. ix.  All the instruction issued by the officers must be followed strictly.   

(b) Imprest Store: - The store which is not meant for any specific work but are held in advance to meat out the emergences such as accident/derailment or to  carry out the emergent renewal. These stores when used during accidents are  debited to revenue and when used directed for emergent renewal are debited  to DRF. Following attentions are required for imprest store. 

i. Scale of imprest store is fixed by CTE. 

ii. These Stores should be stacked separately 

iii. These stores should not be transferred to other stock holders. 

iv. These stores should not be used for routine maintenance 

(C) Classification of Defects, Marking and Action taken in USF D:- During USFD  testing of rail following to be done.  

(d)  Maintenance  precaution  in  LWR  track:  -  Maintenance  of  LWR  is  very  sensitive  and required special attention some of precaution required are as under:- 

i. Any  maintenance  of  LWR/CWR  should  be  under  competent  and  trained  personnel 

ii. Maintenance  work  should  be  confined  to  hours  when  the  rail  temperature  is  between Td + 10  and Td-30.  If rail temperature  after maintenance operations exceeds Td+20 Centigrade than during the consolidation period speed  restriction of 50 Kmph shall be imposed. 

iii. Ballast  section  should  be  properly  maintained,  lifting  of  track  should  be   avoided during the alignment correction by crow bars. 

iv. All fitting and fasting should be effective, complete and secure. 

v. Not  more  than  one  sleeper  in  30  consecutive  sleepers  shall  be  replaced  at  a   time. 

vi. Change of fastening not requiring lifting of rails shall be done one sleeper at a  time and at least 15 sleepers in between shall be  kept intact and work should  be done under super vision of keyman. 

vii. Change of fastening requiring lifting of rail should be done of one sleeper and  atleast  30  sleepers  shall  be  kept  intact  and  work  should  be  done  under  super   vision of gang mate. 

(e).   Permitted Location for LWR:- 

i. Complete  track  renewal  shall  provide  with  LWR/CWR.  Existing  rail  laid  on   permitted location may also be converted into LWR/CWR. 

ii. New construction/doubling/Gauge conversion shall be opened with  LWR/CWR 

iii. In goods running lines where condition of all the track component is sound 

iv. LWR/CWR  shall  not  be  permitted  where  rails  are  subjected  heavy  wear,  

corrosion and needing frequent renewal 

v. LWR/CWR shall not be permitted where formation is weak or formation soil is susceptible to competing. 

vi. LWR/CWR shall not be permitted on curve sharper thann440 mtr radius. 

vii. LWR/CWR  shall  not  be  permitted  on  reverse  curves  sharper  than  875  mtr   radius. 

viii. The steepest permitted grade shall be 1 in 100 

ix. Minimum  radius  for  LWR/CWR  for  vertical  Curve  shall  be  4000  mtr  for  A   route, 3000 Mtr for B route and 2500 mtr for C,D & E route  

(f)  Stock sheet.:-  Departmental  verification  of  stores  under  subordinates  is  done  by  stock   verifiers  of  the  account  department  at  a  specified  frequency.  Who  often  physically   verified the store entries in their field book.The report of verification is furnished by the  stock  verifiers  in  a  standard  form  called  stock  verification  sheet  or  stock  sheet.    During  verification, stock sheet for irregularities if any is prepared in four copies. Original copy  is  sent  to  account  officer  explanation  of  the  stock  holder  is  recorded  on  second  &  third  copy and submitted to Divisional Engineer whom retains third copy and forward second copy  to  account  officer  for  further  action.  Forth  copy  is  kept  as  office  copy  by  stock  holder. 

(g) Main duties of ADEN:-  ADEN  is  generally  responsible  for  the  maintenance  and  safety  of  all  way  and  works  in  his  charge  for  the  accuracy,  quality  and  progress  of  new  work  and control over all expenditure in relation to budget allotment. Main duties of ADEN  are as under:- 

i. Inspection and maintenance of track and all structures in a satisfactory and  safe  conditions. 

ii. Preparation  of  plans  and  estimates,  execution  and  measurement  of  works   including track works. 

iii. Verifications of stores held by stock holders. iv. Submission of proposal for inclusion in the track renewal program,  revenue budget and   the work program. 

In addition of above others duties are as under:- 

i. He  should  remain  update  for  rules  and  regulation  issue  time  to  time  and  he  shall   ensured that all the staff under him are acquainted with relevant rules and regulations  connected with their duties. 

ii. He  should  cooperate  effectively  with  officers  and  staff  other  department.  In  matters   that warrant coordination. 

iii. He has to accompany inspection by higher officials with all records. 

iv. He shall conduct inspection in his jurisdiction as per the schedules laid down by the  administration from time to time. 

v. Inspection  of  permanent  way  –  he  shell  inspect  the  permanent  way  under  his   jurisdiction  by    push  trolley/motor  trolley,  by  foot  plate/break  van  inspection  by  the  fastest  train  of  the  section,  he  shell  inspect  of  all  L-  Xing’s,  Curves,  Points  &  Xing,   Bridges patrolling etc. as per laid down schedule. 

vi. He shall examine the traffic renewal works, measurement of ballast. 

vii. Action  in  case  of  emergencies.  In  case  of  an  accident,  bridge  or  any  accident  which   effaced  the  running  of  train  he  should  take  all  possible  and  prompt  action  to  restore   the traffic as soon as possible. 

viii. He should accompany the TRC run in his jurisdiction and take down notes regarding  the spots needing attention