Volume-II of IV - GAIL

MECON LIMITED
REGD. OFF : RANCHI (BIHAR)
Document6
PROCESS & PIPING
DESIGN SECTION
NEW DELHI
TITLE MAINLINE CONSTRUCTION
(ONSHORE)
STANDARD SPECIFICATION
SPECIFICATION NO. PAGE 10 OF 53
MEC/S/05/62/01 REVISION A
CONTRACTOR shall install temporary fencing on either side of ROW where in
COMPANY's opinion, it is considered essential to ensure safety and noninterference,
especially in areas like grasing lands, villages etc.
Fencing shall be removable type wherever necessary, to permit crossing of
traffic. The type of fencing must be suitable for the situation in accordance with
user. The pole distance shall not be greater than 6m. The minimum height of the
fencing shall be 1.2m above grade. Fencing can consist of one or more rows of
smooth wire and/ or of barbed wire.
Fencing shall be continuously maintained and the thorough-ways inspected to
be shut during the execution of the work.
4.4 Row Clearing and Grading
4.4.1 All stumps shall be grubbed for a continuous strip, with a width equal to trench
top width plus two metres on either side centred on the pipeline centreline.
Further, all stumps will be grubbed from areas of the construction Right-of-way,
where Right-of-way grading will be required. Outside of these areas to be
graded and the mentioned trench strip, at the option of CONTRACTOR, the
stumps may either be grubbed or cut off to ground level. Any stump cut off must
be left in a condition suitable for rubber-tyred pipeline equipment traffic.
4.4.2 All grubbed stumps, timber, bush undergrowth and root cut or removed from the
Right-of-way shall be disposed of in a manner and method satisfactory to
COMPANY, land-owner and/ or tenant, and Government Authorities having
jurisdication and as soon as practical after the initial removal. In no case, it shall
be left to interfere with the grading and laying operations. Whenever stumps are
grubbed and a hole is left in the ground, CONTRACTOR shall back-fill the hole
and compact it to prevent water from gathering in it and creating a big hole.
4.4.3 CONTRACTOR shall grade the pipeline Right-of-way as required for proper
installation of the pipeline, for providing access to the pipeline during
construction, and for ensuring that the pipeline is constructed in accordance with
the good engineering and construction practices.