DRILLCON INFRASTRUCTURE PVT. LTD.
Corporate office: Survey No.192, Botanical Garden Road, Masjidbanda, Kondapur, Hyderabad – 500084, Telangana
Tele: 040-40045539, 040-40250029
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Letter No.: Site/DIPL/RVNL/2023-24/48 Date: 09 March 2024
To,
The GM, Projects-3
Rail Vikas Nigam Limited
1st Floor, August Kranti Bhawan,
Bhikaji Cama Place, R.K. Puram,
New Delhi – 11066
Subject: Submission of Revised DESIGN BASIS REPORT (NATM TUNNELS).
Name of Work: C-4: Composite Contract package in connection with New BG Railway Line of
HORC project including Design & Construction of Twin Tunnel using NATM from km 24.850 to
km 28.000 & Installation of Ballastless Track (excluding supply of rails) from km 24.843 to km
29.680, including Portal P1 and civil works of electrical services - Package-1.
Ref:
1. LOI No. RVNL/HORC/TNRD(MIS)/1/2023/CIVIL/RKSH/001A, dated 10-07-2023
2. CA No. RVNL/HORC/TNDR/C-4/PK-1/CA-01, dated 06.10.2023,
Dear Sir,
With reference to the subject cited above, we are submitting the Revised DESIGN BASIS REPORT
(NATM TUNNELS).
The submission includes the following documents:
1. Revised DESIGN BASIS REPORT (NATM TUNNELS),
2. COMMENT RESOLUTION SHEET (CRS) - HARYANA ORBITAL RAIL CORRIDOR PROJECT
Thanking you and assuring you our best services always.
For Authorized Signatory,
Drillcon Infrastructure Pvt. Ltd.
Enclosure:
Annexure1: Revised DESIGN BASIS REPORT (NATM TUNNELS),
Annexure2: COMMENT RESOLUTION SHEET (CRS) - HARYANA ORBITAL RAIL CORRIDOR
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Regd. Office: 11, Pollock Street, Kolkata – 700001, West Bengal
Email – admin@drillconinfrastructure.com, drillcon@rediffmail.com, website: www.drillconinfrastructure.com
DRILLCON INFRASTRUCTURE PVT. LTD.
Corporate office: Survey No.192, Botanical Garden Road, Masjidbanda, Kondapur, Hyderabad – 500084, Telangana
Tele: 040-40045539, 040-40250029
______________________________________________________________________________________________
PROJECT.
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_
Regd. Office: 11, Pollock Street, Kolkata – 700001, West Bengal
Email – admin@drillconinfrastructure.com, drillcon@rediffmail.com, website: www.drillconinfrastructure.com
