Annual Rate Contract for O&M Services for NCR GAS O&M ... - GAIL

63.3 Before beginning the Works, the CONTRACTOR shall at his own cost, provide all necessary
reference and level posts, pegs, bamboos, flags, ranging rods, strings and other materials for
proper layout of the works in accordance with the schemes for bearing marks acceptable to
the ENGINEER-IN-CHARGE. The center, longitudinal or face lines and cross lines shall be
marked by means of small masonry pillars. Each pillar shall have distinct mark at the centre
to enable theodolite to be set over it. No work shall be started until all these points are
checked and approved by the ENGINEER-IN-CHARGE in writing but such approval shall not
relieve the CONTRACTOR of any of his responsibilities. The CONTRACTOR shall also provide
all labour, material and other facilities, as necessary, for the proper checking of layout and
inspection of the points during construction.
63.4 Pillars bearing geodetic marks located at the sites of units of WORKS under construction
should be protected and fenced by the CONTRACTOR. 63.5 On completion of WORK, the
CONTRACTOR must submit the geodetic documents according to which the WORK was
carried out.
64 Responsibility for level and alignment:
64.1 The CONTRACTOR shall be entirely and exclusively responsible for the horizontal and vertical
alignment, the levels and correctness of every part of the WORK and shall rectify effectively
any errors or imperfections therein, such rectifications shall be carried out by the
CONTRACTOR, at his own cost, when instructions are issued to that effect by the ENGINEER-
IN-CHARGE.
65 Materials to be supplied by contractor:
65.1 The CONTRACTOR shall procure and provide within the VALUE OF CONTRACT the whole of
the materials required for the construction including steels, cement and other building
materials, tools, tackles, construction plant and equipment for the completion and
maintenance of the WORK except the materials which will be issued by the EMPLOYER and
shall make his own arrangement for procuring such materials and for the transport thereof.
The EMPLOYER may give necessary recommendation to the respective authority if so desired
by the CONTRACTOR but assumes no further responsibility of any nature. The EMPLOYER will
insist on the procurement of materials which bear ISI stamp and/or which are supplied by
reputed suppliers.
65.2 The CONTRACTOR shall properly store all materials either issued to him or brought by him to
the SITE to prevent damages due to rain, wind, direct exposure to sun, etc. as also from
theft, pilferage, etc. for proper and speedy execution of his works. The CONTRACTOR shall
maintain sufficient stocks of all materials required by him.
65.3 No material shall be despatched from the CONTRACTOR's stores before obtaining the
approval in writing of the ENGINEER-IN-CHARGE.
66 Stores supplied by the employer:
66.1 If the SPECIFICATION of the WORK provides for the use of any material of special description
to be supplied from the EMPLOYER's stores or it is required that the CONTRACTOR shall use
certain stores to be provided by the ENGINEER-IN-CHARGE, such materials and stores, and
price to be charged there for as hereinafter mentioned being so far as practicable for the
convenience of the CONTRACTOR, but not so as in any way to control the meaning or effect
of the CONTRACT, the CONTRACTOR shall be bound to purchase and shall be supplied such
materials and stores as are from time to time required to be used by him for the purpose of
the CONTRACT only. The sums due from the CONTRACTOR for the value of materials
supplied by the EMPLOYER will be recovered from the running account bill on the basis of the
61
Tender/Bid Document No: GAIL/NCR/C&P/6114
ARC for O&M Services