The project involves the construction of a new high quality
single carriageway urban distributor road including a new
bridge crossing the Garvoge River at the eastern edge of
Sligo town. The project will also provide footpaths and
cycleways which will link with existing and proposed cycle
and footway networks on the east side of Sligo City. The
overall scheme is approximately 1.5km long.
This contract involves the gathering, manipulation and
compilation of ground investigation data to facilitate the
design of the Eastern Garvoge Bridge and Approach
The scope of the works envisaged under this ground
investigation is as follows:-
a) Shell and auger or cable percussion boreholes,
sampling and in situ testing.
b) Vertical open hole rotary drilling, sampling and
in situ testing.
c) Rock coring, proving rock to a specified depth
and in situ testing.
d) Trial pits, sampling and in situ testing.
e) Dynamic and Macintosh/ TRL Probing.
f) Geophysical Surveying.
g) Groundwater pressure testing
h) Recording of surface water levels
i) Detailed borehole and coring, and logs as
described in BS5930 and the specification.
j) Laboratory testing of soil samples for
engineering properties, behaviour and suitability plus
k) Laboratory testing of rock samples for
engineering properties, behaviour and suitability.
l) Preparation of detailed Main Factual Report as
per BS5930 and the Specification, together with the
production of Digital Data to AGS Version 3 (1999) Format.
m) Liaison with Sligo County Council and external
n) Accessing existing standpipes and recording
The full Scope of Investigation and the obligations of the
Contractor are to be ascertained by reference to the
Contract as a whole.