Specifications

NAIROBI OPERATIONAL HUB
UNOPS Building, UN Lane, Off UN Avenue Tel: [phone]
P.O Box 783,Village Market, 00621 E-mail: [e-mail]
Nairobi, Kenya Website: www.unops.org
UNOPS is ISO 9001 certified
C. The cover of earth rod pits shall have appropriate marking as approved by the site
Engineer.
2.07 CONCRETE PADS
A. Concrete pads shall be provided for all pad mounted equipment.
B. Concrete pads shall be 150 mm high, unless otherwise indicated, complete with
steel reinforcement and necessary bolts, anchors, etc. required for the proper
installation of pad mounted equipment.
C. Structural calculations for concrete pads supporting heavy equipment shall be
submitted for Engineer’s approval before commencement of work on site.
2.08 CABLE WARNING SIGNS AND TAPES
A. Where cables are directly buried, cable warning signs shall be installed to minimize
the likelihood of damage to the cables by excavation. These signs shall be suitable
for mounting on a riser pole, substation fence or separate stakes to suit the
installations.
B. Posts for cable warning signs shall be placed as close to the cable as practical, but
not closer than 900 mm horizontally from the cable.
C. Cable warning tapes shall be provided in accordance with the requirements given in
Section 16120. Tapes shall be placed at least 300 mm above the buried cables, and
shall cover full width of the cable trench.
PART 3 - EXECUTION
3.01 INSPECTION
A. Establish and propose exact routes and requirements of underground electrical
services for approval of the Engineer, after co-ordination with all other existing or
new underground services, before commencement of the work on site.