GENERAL AND PARTICULAR SPECIFICATIONS OF ... - UNDP

directed by the Engineer and unwanted materials shall be
disposed off the Site in a satisfactory Manner at the
Contractor’s expense.
B 4.03
Cleaning and Grubbing
The Contractor shall perform the clearing and grubbing
(if any) of top soil consisting mainly of loose soil,
vegetable and organic matters, drift sand, unsuitable
soil and rubbish by scarifying the areas to be excavated
and side-walks to a minimum depth of 300mm from the
natural ground level. All materials resulting from the
above operations shall be removed from the Site, loaded
and transported and off loaded spread and levelled to
approved dumps as directed by the Engineer.
3-16
SPECIFICATIONS
EXCAVATIONS
B 5
SETTING-OUT
The Contractor shall stakeout the work as shown on the
Drawings and secure the Engineer’s approval of his
stakeout before proceeding with construction. If, in the
opinion of the Engineer, modification of the line or
grade is advisable before or after stake-out the Engineer
will issue detailed instructions in writing to the
Contractor for such modification and the Contractor shall
revise the stake-up for further approval in accordance
with the relevant Clause of the Conditions of Contract.
B 6
B 6.01
EXCAVATION
General
Excavation in any material whatsoever found including
rock to reduce levels and to form foundations, bases,
trenches, septic tanks, cesspools, pits and the like to
depths shown on the drawings or as directed by the
Engineer.
Completely remove all existing obstructions in the line
of excavations such as wall, slabs, curbs, steps and the
like.
Trim excavations to required profiles and levels. Remove
all loose material.
Level and well ram and consolidate surface of ground and
bottom of all excavations to receive concrete
foundations, beds, etc.
Bottoms of excavations shall be approved by the
Engineer’s