MINIMUM CHECK LIST OF NEW LINES FOR CONSTRUCTION ORGANISATION

SL.NO / ITEMS TO BE CHECKED
ENGINEERING
Contract
1. / Position of survey, detailed Estimate,Tender &Sanction of project available with Dy.CE or with their staff
2. / Name of work
3 / Name of agency
Address and MOBILE NO .
4 / Contract agreement no.
5 / Credential of agency
6 / Provision of GCC in contract agreement
7 / Details of EMD deposited with department and kept into the safe custody of department.
FORMATION
8(a) / Test of earth work(Borrow material)
Test to be conducted:-Soil classification, OMC,MDD,NMC,NDD
Testing equipments to be used:-Sieve, hydrometer, Atterberg limit Apparatus, modified proctor mould, Oven, Balance, Weight, Distilled water, Dispersing agent
IS code Ref:-IS:2720, Relevant part
Frequency of test:-Minimum one test for every 5000cum or change of strata which ever is earlier
Sampling:-Disturbed sample
Acceptance criteria:-Should not be “Un usual type’’
Purpose of test Suitability
of material-To decide OMC&MDD
8(b) / Testing of Blanket material;-
Test to be conducted:-Soil classification, Particle size distribution curve,% fines, CU, CC, Ymax, Ymin, or OMC& MDD
Testing equipments to be used:-Sieve, hydrometer, Atterberg limit Apparatus, modified proctor mould, Oven, Balance, Weight, Distilled water, Dispersing agent& RD apparatus.
IS code Ref:-IS:2720, Relevant part
Frequency of test:-Minimum one test for 500cum
Sampling:-Sampling from material placed at formation
Acceptance criteria:-Should confirm to specification give as per IS code or RDSO Specification.
Purpose of test:-Suitability of material
8(c) / Testing of compacted earth(Sub grade)
Test to be conducted:-Field dry density
Testing equipments to be used:-Core cutter &Sand replacement Apparatus, Nuclear Moisture Density Gauge ,Continuous Compaction recorder mounter in roller
IS code Ref:-IS:2750, Relevant part
Frequency of test:-a)Minimum one test in each compacted layer for every 200sqm.in top 1 m of subgrade.
b)Min one test in each compacted layer for every 500sqm.below top 1 m of sub grade.
Sampling:-Sampling as per Standard practice
Acceptance criteria:-98% of Lab MDD as per Heavy Compaction test or as decided from field compaction trial of 70%
Purpose of test:- To ascertain degree of compaction.
8(d) / Testing of Blanket layer:
Test to be conducted:-Field dry density
Testing equipments to be used:- Core cutter &Sand replacement Apparatus, Nuclear Moisture Density Gauge ,Continuous Compaction recorder mounter in roller
Frequency of test:-Minimum one test in each compacted layer of blanket for every 200sqm.
Sampling:-Sampling as per standard practice.
Acceptance criteria:-Density index for soils having fines<5%
Purpose of test:-To ascertain degree of compaction.
9 / Compaction equipments engaged during the earth work.
10 / Blanketing depth from RL and its thickness.
11 / Sieve analysis of blanketing material and its impact value.
12 / Value of Cc & Cu of blanket material
13 / Determination of moisture content.
14 / Total width of embankment.
15 / Protection of high bank with toe wall and sub bank
16 / Maximum height of embankment.
17 / Determination of shear stress and
18 / Value of unconfined compressive strength
19 / Turfing done or not
20 / Cable laying done at a distance not less than 10 mtr. from toe of bank
21 / Site order book maintained or not
22 / Approved drawing of Hqr. available or not with Deputy CE or with Engg. Official.
23 / Cess width
24 / Gradient with Side slope of embankment
25 / Compaction by roller or vibrator
26 / Track centre with existing line ( not less than 5.9mtr.)
27 / Bridge :
(a) HFL
(b) Direction of water flow
(c) Pitching of the bed.
(d) Length of retaining wall.
(e) Step for inspection of Bridge is available or not.
(f) Cube test result
(g) superstructure design & drawing available at site or not.
28 / Quality certificate of materials issued by RDSO,RlyOrganisation or approved Engg.institution ,National laboratory,Approved by Hqr.
29. / Cushion survey of ballast provided at an interval of 100 mt
PERMANENT WAY
30 / Rail type& sleeper type(preferably,60 kg rail and sleepers)-USFD details of rails from factory.
a)SLEEPER TYPE
b)Testing of RAILS :-
c)REPORT ON CHEMICAL ANALYSIS
d)HARDNESS
e)TENSILE TEST
f)HYDROGEN CONTENT
g)SULPHUR PRINT (S-O.O35 MAX, PHOSPHORUS –0.035%)
h)FALLING WEIGHT TEST
31. / Trolley refuges available or not
32. / P.F. Shed covered or not
33. / Provision of F.O.B (not less than 6mt width) at newly built station, available or not..
34. / Passenger amenities-water booth,sitting arrangement etc.,
35. / Availability of staff Qtrs, Officers Rest house, Gang hut,Dust bin etc
36. / Adequate post created for all department or not
37. / Sanction of CRS available or not.
38 / Availability of approved Engg. Plan,S&T plan, GAD,ESP ,SIP,GWR,SWRD,SWR,DMP.
39. / Whether NI approved or not,& green notice issued or not
40. / PME&REF due or not
41. / Safety assurance of staff for the new line
42. / Training &counselling of the staff
43. / Packing by machine or not
44. / Details of curvature, LWR,SEJs as per LWR MANUAL OR NOT
45. / Provision of LC gate, should be minimum as far as possible& Provision of L.H.S
46. / LC gates whether interlocked or Non interlocked
47. / Availability of Hectometre post
48. / Items of Special demand of local people, Media orMP/MLA reference,Cabinetreference,GM reference etc.
50. / Any infringement from part –I of SOD with respect to new line commissioned & condonation from competent authority taken or not.
51. / Whether construction lab has been established by the Railway/Agencies.
52. / Stacking &accountable of released materials done properly or not
53. / Proper recording of the measurement being done before releasing of payments to agency
54. / Availability of contractor’s equipment& Supervisor along with experience certificate
55. / Name of the Rly. Supervisors&their contact no directly involved with the work
56. / Compliance of the inspection of Rly.Officers/CRS/DRM/ADRM/Sr DOM/Sr DSO/Sr DEN/C done or not before commissioning of project
57. / Provision of lighting arrangement at the Stn, Gate, Panel etc.
58. / Whether USFD Test has been done or not
59. / Availability of Cement register
60 / Availability of reinforcementRegister.
SIGNALLING
61 / LC interlocked with station.
62 / Correspondence Test
63 / GO TEST(1.62mm),NO GO TEST (5mm)of point
64 / Availability of Goods/Passenger warning board
65 / Proper Earthing & surge protection devices to be ensured
66 / Inter signal distances to be measured as per SWRD
67 / Examination report of signal sighting committee
68 / Dispensation of any deviation taken or not
69 / Training of traffic/signalling staff to handle new system done or not.
70 / All S&T equipments are approved byRly. and as per approved standard & specification.
71 / Availability of BPAC
72 / Data logger at station and its communication with divisional S&T control.
73 / RRI with route of 150 or more provided with Fire detection and protection or not.
74 / Smoke test of fire alarm done or not.
75 / Opening of block instrument, relay room, cabin basement room, panel lead opening register available órnot .
76 / Register for emergency operation with cancellation of route signal, LC gate , crank handle are maintained or not.
77 / Maximum over energisation of track relay under maximum battery voltage and maximum ballast resistance condition measured or not.
Plug in type QT2/QTA2 ( 300%) – Unsafe
Self type( 250%)-unsafeQBAT type(> 235%)-unsafe
Minimum exitation of track relay under minimum battery voltage and minimum ballast resistance >125% ( Except QBAT). QBAT=122%
TSR shall not be less than 0.5 Ohms
78 / Trial test with a train of signal done or not.
79 / Conflicting movement should be checked by simulation panel test,
Interlocking test.
80 / Speed certificate by CRS issued or not.
81 / UMLC in station section should be – NIL.
82 / Double locking arrangement of block instrument available or not
83 / Block instrument – HKT/EKT( electric key transmitter sealed or not.
84 / Manufacturing date of block instrument overhauling instrument done or not.
85 / CRS sanction to introduce locomotive obtained for new lines or not.
86 / Visibility of signal obstructed by RE must.
PROVISION OF DISASTER MANAGEMENT PLAN
87 / Whether new line included in DMP or not.
88 / Road connectivity of level crossing

The above items are only for guidelines. For any improvement in check list , send your comment to safety branch Malda division.

(Rajesh Kumar)

Sr.DSO/E.RLY/MLDT