10-08-2012, 02:30 PM
TECHNICAL SPECIFICATION FOR CEMENT CONCRETE
Concrete code IS 3025.pdf (Size: 202.18 KB / Downloads: 163)
General
This specification covers all the requirements, described hereinafter for general use of Plain and Reinforced Cement Concrete work in Structures and locations, cast-in-situ or precast, and shall include all incidental items of work not shown or specified but reasonably implied or necessary for the completion of the work.
1.1.2.0 This specification shall also apply to the extent it has been referred to or applicable with the special requirements of structures covered in SCOPE of IS:456.
1.1.3.0 IS:456 shall form a part of this specification and shall be complied with unless permitted otherwise. For any particular aspect not covered by this Code, appropriate IS Code, specifications and/or replacement by any International Code of practice as may be specified by the Engineer shall be followed. All codes and Standards shall conform to its latest revisions. A list of IS codes and Standards is enclosed hereinafter for reference.
GENERAL
Work to be provided for by the Contractor
The work to be provided for by the Contractor, unless otherwise specified shall include but not be limited to the following :
a) Furnish all labour, supervision, services including facilities as may be required under statutory labour regulations, materials, forms, templates, supports, scaffolds, approaches, aids, construction equipment, tools and plants, transportations, etc. required for the work.
b) Except where it is excluded from the Scope of Contract, Contractor shall prepare progressively and submit for approval detailed drawings and Bar Bending Schedules for reinforcement bars showing the positions and details of spacers, supports, chairs, hangers etc.
Work to be provided for by the Contractor (Contd.)
c) Design and prepare working drawings of formworks, scaffolds, supports, etc. and submit for approval.
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d) Submit for approval shop drawings for various inserts, anchors, anchor bolts, pipe sleeves, embedments, hangers, openings, frames etc.
e) Submit for approval detailed drawings of supports, templates, hangers, etc. required for installation of various embedments like inserts, anchor bolts, pipe sleeves, frames, joint seals, frames, openings etc.
f) Submit for approval detailed schemes of all operations required for executing the work, eg. Material handling, Concrete mixing, Placement of concrete, Compaction, curing services, Approaches, etc.
g) Design and submit for approval concrete mix designs required to be adopted on the job.
h) Furnish samples and submit for approval results of tests of various properties of the following :
i) The various ingredients of concrete
ii) Concrete
iii) Embedments
iv) Joint seals
i) Provide all incidental items not shown or specified in particular but reasonably implied or necessary for successful completion of the work in accordance with the drawings, specifications and Schedule of Items.
j) For supply of certain materials normally manufactured by specialist firms, the Contractor may have to produce, if directed by the Engineer, a guarantee in approved proforma for satisfactory performance for a reasonable period as may be specified, binding both the manufacturers and the Contractor, jointly and severally.
1.2.3.0 Work by Others
No work under this specification will be provided by any agency other than the Contractor unless specifically mentioned elsewhere in the contract.