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Page 15 of 29
B 785
(f )  all chains, ropes, lifting tackle, hook and brake system of the crane
or hoist shall be inspected and maintained as recommended by its
manufacturer ;
(g)  general preventive maintenance shall be carried out on every crane
and hoist as recommended by the manufacturer or at intervals of not more
than 12 months ;
(h) periodic maintenance records shall be kept and made available on
demand by the Authority ;
(i)  pipeline used in an operation shall be designed, constructed and
maintained in accordance with the relevant provisions of the ANSI, ASME,
DNV, NACE and other applicable national and international standards and
best practice and in compliance with the relevant guidelines issued by the
Authority ;
(j) a pipeline shall be put into operation unless commissioning approval
has been obtained from the Authority ;
(k)  the right of way of every pipeline shall be free of over-growth,
weeds to allow for free access to carry out operational tests, and any other
maintenance work and for prompt detection of leakages ;
(l)  pipelines conveying hydrocarbons shall be designed with pigging
facility to allow pigging operation to be conducted at intervals not more
than five years ;
(m) an initial data gathering shall be obtained from any newly
commissioned pipeline and this shall form the basis for the integrity of the
facility ;
(n) pipeline pressure testing shall be carried out at intervals of not more
than five years at pressure of at least 125% of the maximum operating
pressure ;
(o) a pipeline running on the surface shall be externally coated to meet
the relevant provision of the NACE or equivalent standards to prevent
atmospheric corrosion attack ;
(p) pipeline shall be suitably coated before burial and cathodic protection
provided —
(i) within 12 months, in the case of dry land, and
(ii) within six months, in the case of swamp land, and
the cathodic protection system shall be designed and constructed to meet
the NACE standards or other internationally recognised equipment standards;
(q)  cathodic protection potential survey shall be carried out on all buried
pipelines at intervals of not more than 24 months to ensure that every section
of the protected line attains a negative potential of at least 850mV with reference
to copper or copper sulphate reference electrode ;