Volume-II of IV - GAIL

MECON LIMITED
REGD. OFF : RANCHI (BIHAR)
Document2
PROCESS & PIPING
DESIGN SECTION
NEW DELHI
STANDARD SPECIFICATION
TITLE PIPELINE MARKERS SPECIFICATION NO. PAGE 2 OF 4
1.0 SCOPE
MEC/S/05/62/10 REVISION 0
1.1 This specification covers the minimum requirements for supply, fabrication and
erection of pipeline markers to be installed by CONTRACTOR at various
locations along the route of a cross-country pipeline.
1.2 This specification shall be read in conjunction with the conditions of all
specifications and documents included in the CONTRACT between COMPANY
and CONTRACTOR.
2.0 REFERENCE CODES
3.0 GENERAL
Reference has been made in this specification to the latest revision of the
following code :
API RP 1109 : Recommended practice for marking liquid petroleum
pipeline facilities.
3.1 CONTRACTOR shall supply, fabricate and install the pipeline markers along the
pipeline route. The locations of markers as indicated in the approved drawings
shall be treated for guidance purposes only and the exact location of the
markers shall be based on AS BUILT drainage and as directed by COMPANY.
3.2 The pipeline markers shall be fabricated and installed in accordance with the
MECON standard drawings included herein. Before start of fabrication of the
markers, CONTRACTOR shall prepare and submit for COMPANY's approval
the detailed scheme for the marker plates as applicable for the project.
3.3 The pipeline markers shall be installed, as far as possible, at locations such that
to cause no hindrance to the regular use of the land or to the traffic.
4.0 AERIAL MARKERS
Aerial markers shall in general in installed along the pipeline at every five (5)
kilometres intervals and at places specified by COMPANY. Refer MECON
Standard Drawing No. MEC/SD/05/62/10/03 for details.