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
B. Provide samples of proposed devices together with the above submittal for
approval of the Engineer.
1.05 QUALITY ASSURANCE
A. All items for underground electrical services shall be as per manufacturer's standard
construction and materials except civil works such as excavation, backfilling and
concreting. Where this contradicts any part of the Specifications, the Contractor
shall state so at the time of tender.
B. Manufacturers: Firms regularly engaged in the manufacture of such items of the
types and sizes required, and whose products have been in satisfactory use in similar
service for a period not less than 5 years. Preference shall be given to local
manufacturers.
C. All work shall conform to applicable standards of Local Standards Organization and
BS.
D. All underground electrical services for power and communications shall comply
with the requirements and standards of Electricity Supply Authority and Telecom
Supplier respectively.
1.06 DELIVERY, STORAGE AND HANDLING
A. During unloading of PVC pipes and other items for underground electrical services,
rough handling shall be avoided. Chains or wire ropes may be used, provided they
are suitably covered, to protect the pipes and other items from damage.
B. Unloading by mechanical means such as a crane or fork lift may be used where
PVC pipes and other items for underground electrical services are delivered in
bundles or in crates. However, consideration shall be given to the total weight and
the lifting capacity of the mechanical equipment, and the observance of the statutory
safety requirements.
C. PVC pipes and other items for underground electrical services shall not be dropped
or thrown to the ground, knocked against other conduits or against sharp objects that
any cause permanent damage.