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 18 OF 53
MEC/S/05/62/01 REVISION A
Materials excluding line pipe shall be stored in sheltered storages. Such
materials shall not be strung on the Right-of-Way but shall be transported in
covered conveyances for use only at the time of installation.
CONTRACTOR shall ensure that all valves and whenever applicable, other
materials are fitted with suitable end covers of the type approved by COMPANY.
Materials with worked surfaces such as flanges, pipe fittings, etc. must be
stacked and handled so as to avoid contact with the ground or with substances
that could damage them.
The manufacturer's instructions regarding temperature and procedure for storing
materials which are subject to alteration of the original properties and
cnaracteristics did to unsuitable storage must be strictly complied with and, if
required, an adequate heat conditioning shall be provided for these materials.
When supplied in containers and packages they must not be thrown or
dropped, not handled using hooks which could damage the container or the
materials, either during loading/unloading or during successive handling, until
their final use.
Storage of coating materials which are susceptible to deterioration or damages
especially due to humidity, exposure to high thermal cconditions or other
diverse weather conditions, shall be suitably stored and protected. These
materials shall be kept permanently in store, supported above the ground in a
dry place, protected against the weather and transported for use only at the time
and in quantities necessary for immediate application. Deteriorated materials
shall not be used and replaced with no extra cost to COMPANY.
5.6 Identification
CONTRACTOR shall provide all pipes, bends, etc. greater than 2" with serial
numbers as soon as possible and measure their length and state is on the
pipes, etc. Pipes to be bent shall be measured prior to bending. Identification
(i.e. letter, number and length) shall be indelible.
All serial numbers shall be recorded in a list, which shall also state appurtenant
pipe numbers.