EAST CENTRAL RAILWAY - Indian Railways

delay occurs consideration for extension of time will be made later no. The contractor must accept
as final and binding the decision of the Divisional Engineer-in-Charge of the work.
19. QUALITY CONTROL:
19.1 No cement plaster will be permitted on C.C./R.C.C. work. Token penalty up to 5% of the accepted
rates may be imposed on account of bad surface/work man ship.
19.2 To ensure that the concrete used for the work is exactly as per the approved designs, it is
necessary for the contractor to has a small field laboratory with complete equipment at the site of
work, which will enable carrying out of standard test for the quality of water, sand, aggregate etc.
The rate should also provide for equipment for casting, curing and testing of sufficient number of
6” cubes. Testing of the cubes should be done at site or any other approved Government Testing
Laboratory as and when necessary.
19.3 Periodical testing of water may also be get done through approved Government Testing
Laboratory if asked for by Engineer-in-Charge.
19.4 Contractor’s laboratory shall remain accessible to any other representative of the Railway
Administration, Engineer-in-Charge will depute his supervisory staff to supervise the work in the
Field Laboratory.
19.5 Contractor will also supply one P.C. with all latest attachment for monitoring of this work and
one vehicle with driver and fuel etc for inspection of site work to Rly. free of cost during contract
period.
19.6 The concrete work shall be done in accordance with Indian Railway standard code of practice for
plain reinforced and pre stress concrete for general bridge construction (concrete bridge
code)/IS.456.2000. or any other relevant BIS codes.
19.7 All concrete items will be measured without any reduction for the volume of reinforcements and
steel structures.
19.8 The contractor shall keep sufficient stand by equipment like cone. Mixer, vibrators etc. so that
concreting is not affected by break down of tool & plants.
19.9 Contractor with prior approval of engineer in charge may use admixture.
19.10 All relevant code will be made available at field laboratory by contractor at his own cost.
20. Contractor will remove all spoil material/earth etc and clear the site as per direction of engineer in
charge.
21. The contractor shall bring necessary equipment for earthwork, concreting, piling, and fabrication
of steel as the case may be to his site office and get it examined by engineer in charge for its
adequacy and suitability before the site is handed over to the contractor for commencement of the
work.
Full Signature of Tenderer(s)