BID DOCUMENT - IDCO

ELECTRICITY SUPPLY FOR PLANT AND LIGHTING
(a)
(b)
(a)
(b)
The contractor shall assume that no electricity will be available at the site of the work for operation of
plant or for lighting and he shall make all necessary arrangements for the provision of the power and light
requirements at his own cost.
The contractor shall store diesel oil, petrol and other inflammable fuel on site only with approval of the
engineer and shall take additional precautions against fire.
DRAINAGE
The contractor shall make proper provision for the drainage of surface water from the whole of the site
including rainfall run off from surrounding areas, which drain on to his site.
He shall at his own cost all temporary drains and other works necessary to prevent erosion of earth works
and the discharge of site or debris from the site and he shall control the drainage from the site so that no
flooding or other drainage or disturbance is caused in areas surrounding the work.
WORKMEN
The contractor shall be responsible for restricting his workmen to the site of the works and shall take all
necessary precautions to prevent damage arising from nuisances of any kind.
ATTANDANCE OF ENGINEER
(a)
(b)
(c)
(d)
The contractor shall allow for attendance of the Engineer during visits or inspections of the works shall
afford every assistance and facility necessary thereto.
He shall supply all labour and materials required by the engineer and his staff to carry out their duties of
inspection and supervision.
The contractor shall provide all equipment’s and instruments necessary to carry out the work of field test.
The contractor shall provide all necessary technicians to carry out the works in testing the materials and
samples.
INSPECTION AND APPROVAL BY ENGINEER
The Engineer shall have the right to inspect all materials before being built or placed in the works and no
materials shall be built in and placed without his prior approval. Such approval will not however relieve the
contractor of any of his responsibilities for the sufficiency of the materials or equipment.
COMPLETION
On completion of the works required under this contract the contractor shall dismantle and remove all the
temporary structures fill and make good all holes and temporary excavations drains and roads clear away all
rubbish and leave the whole of the works in clean and tidy conditions to the satisfaction of the engineer.
SITE WORK AND EXCAVATIONS
1.01 SITE CLEARANCE
(a) The contractor shall clear the site from grass, bushes, trees and organic soil where required over the area
of the works and deposit as directed. All top soil excavated shall be stockpiled and then spread as directed on
areas to be turned.
(b) All stumps and roots of the trees on the site shall be grubbed and disposed off by removal from the site or
as otherwise directed by the engineer. The holes made by grubbing shall be filled in with approved materials
and compacted by ramming.
1.01.1 EXCAVATION
(a) For the tendering purposes the contractor shall assume the site profile as shown on the drawing. When he
takes possession of the site the actual reduced levels of the ground as he finds it, shall be recorded on the
drawing, which shall be signed by the engineer and the contractor. All excavations shall be carried out in regular
stages to the levels shown on the drawings, subject only to such modifications as may be ordered by the
engineer as extras or omissions under the terms and conditions of the contract. In all excavations the last 15
cm, of the depth shall be carried out and trimmed by manual labour in case the contractor fails to verify the
tender drawing before starting excavation this drawing will be the basis for unit calculations.
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