① Project Code
RTPII: Rung Tawan Project II
② Correspondence Document Type
(1)Issued by JBE
T: For reply transmittal from HTC
L : For reply MOM,Monthly Report (Change Order Sheet)
For submit information to HTC
others
(2)Issued by HTC or THHPT
L: Project Communication Letter
T : Transmittal (transmittal sheet for sending documents and drawings)
M : Minutes of Meeting (MOM)
R : Monthly Project Report
C : Change Order Sheet (to notice the changes which have impact on cost, scope and schedule by
using this correspondence
③ Receipt Code and Issue Code
JBE: JBE
HT: HTC
HP: THHPT
④ Serial Number
Serial number from 0001 to 9999 by every correspondence document type.