EAST CENTRAL RAILWAY - Indian Railways

57. The concrete work shall be done in accordance with Indian Rly. standard code of practice for
plain, Reinforced and Prestrassed concrete for general bridge construction (Concrete Bridge
Code).
58. BLOCK REQUIRED:
The contractor shall specify the requirement of temporary block required for the work. Temporary
blocks shall be arranged by the Engineer-in-charge of the work for the minimum period as suits
the operating Deptt. of the Railway.
59. The Contractor shall keep sufficient stand-by equipment like mixer, vibrator etc. for concrete
work so that concreting is not effect by break-down of tools/plants.
60. Weep holes shall be kept in wing wall and abutment of bridges by placing thick gauge 40mm dia.
PVC pipe in the concrete before casting at spacing in elevation as decided by engineer. No
deductions in volume of concrete will be made. No payment shall be made towards cost of labour
& materials for placement of pipes used for weep holes.
61. ELECTRICITY :
The Contractor shall make his own arrangement for electricity required for running the plant and
machinery, and if illumination or for any other purposes whatsoever for execution of the work, at
his own cost. The Railway shall recommend his application to the State Electricity Board
Authorities and render necessary assistance as possible, but Railway shall not at all be responsible
for ensuring such supply of electricity.
62. All concrete should be compacted by vibration except where concrete is placed adjacent to started
soil in which case the compaction of concrete should be done by proper ramming.
63. On the surface of finished re-inforced cement concrete, or plain concrete, no cement plaster shall
be permitted.
64. If during the course of execution of work the contractor has to do any unforeseen items of work
not covered in the schedule of labour and materials rates 1996 and rate analysis based on the
Eastern Railway schedule of labour & material rates 1996 with the accepted percentage
increase/decrease in the contract will be worked out. However, the Contractor is bound to accept
the rates as finally decided by the Chief Engineer/Chief Bridge Engineer, E. Rly; Kolkata.
65. Works test cubes for reinforced cement concrete/plain concrete work shall be taken and tested in
accordance with General conditions of contract and standard specifications (Flowed by Work
Hand Book Part I & 2 GCC Feb, 2001) with upto-date amendment thereto at Contractor’s own
cost & nothing extra shall be paid on this account.
Contractor shall make concrete cubes as specified in IS:456-1978 for the per _________ quantity
of each days work for testing the strength of concrete. 3 Cubes shall be tested after 7 days and 3
cubes shall be tested after 28 days. The testing of cubes shall be done in approved laboratory or
Railway’s own laboratory. The cost of making cubes and curing and transportation from site of
work to laboratory shall be done by contractor. However, the cost of cement, required for making
these cubes as well as for testing cubes shall be met by Rly.
66. TENDERER(S) RELATIVE EMPLOYED AS GAZETTED OFFICER:
In case of a tenderer(s) being an individual having a relative(s) employed in any Gazzetted
capacity in the Eastern Railway or in the case of partnership firm/or company incorporated under
the Indian Company Law, should any partner(s)/Director(s) or relative(s) of the
Partner(s)/Director(s) or share share holder(s) be employed in any Gazzetted capacity in the
Eastern Railway, detailed information about such Gazzetted employee(s) shall also be furnished
in the aforesaid Annexure – I.
67. TESTOMONIALS :
67.1 In order to establish the capability of the tenderer(s) to under-take and tackle the work under this
tender, the tenderer(s) should submit, along with the tender, the particulars of all the works