State
the necessity of specifications to the contractor.
Ans.
It helps the contractor in
giving the necessary quotation of work.
It specifies the nature of job,
materials to be used in the work, workmanship, etc.
It helps the contractor in the
execution of the work.
It is an important content
document.
The specifications will be
helpful for solving dispute between the contractor and the owner.
Draft
the specification for cement to be used for RCC work.
Ans.
Cement shall be fresh Portland cement
of ISI specifications, and shall have required tensile and compressive stresses
and fineness. Unless otherwise specified ordinary Portland cement conforming to
15 – 269 – 1975 shall be used.
Mention
any two methods of approximate estimate of a building. Give the steps of
approximate estimate for hospital building.
Ans.
Method of approximate method of
buildings.
Permit basis.
Plinth area basis.
Approximate estimate for
hospital building –
Cost of land.
Cost of building (Wards)
Cost of cubical of doctors
Cost of operation theatre, emergency
ward, etc.
Cost of roads
Cost of water supply
Cost of sanitary works
Cost of electrification
Contingencies @ 5% to 10%
Mention
four purpose of approximate estimate and state how you will prepare approximate
estimate of a bridge project.
Ans.
Purpose
of approximate estimate –
To make preliminary studies of
various aspects of the work.
To decide the financial
position and policy for administrative sanction by the competent administrative
authority.
To assess the revenue in case
of commercial projects.
To consider the necessity,
utility, availability of money of non-commercial projects.
Approximate
estimate of a bridge :
Per running metre (running
feet) of span depending upon the road way, nature and depth of foundation, type
of structure, etc.
Approximate costing a bridge of
3 spans of 50 metres each span @ 10,000 /- per running metre of span comes to 3
x 50 x 10,000 = Rs. 15 lakhs.