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SOBHA ALTIUS, SECTOR 106, GURUGRAM

Project Name:Diaphragm Wall Design for Basement Excavation
Client:Sobha Limited
Design Consultant:Geocon International Pvt. Ltd.
Location:Gurugram, Haryana (India)
Project Overview

Sobha Limited is planning to construct permanent diaphragm wall for proposed basement excavation at Sector 108, Gurugram. The proposed building will consist of triple basements with maximum excavation below existing ground level up to 13.7m.


  • Excavation Depth: 13.7m below ground level.
  • D-Wall Thickness: 600mm thick reinforced concrete diaphragm wall.
  • Subsurface Conditions: Medium dense sands, non-plastic silts, and clay layers were encountered.
  • Groundwater:
    • Groundwater observed at depths of 9.1m to 9.9m in boreholes.
    • Dewatering wells will be installed behind the diaphragm wall during excavation.
    • Temporary groundwater level considered at -9.0m below ground level.
    • Permanent groundwater level considered at -4.0m below ground level.
  • Geocon International Pvt. Ltd. was appointed geotechnical consultant by M/s. Heritage Constructions for design of diaphragm wall scheme.
Scope of Work
D-Wall design peer review with supporting documentation/calculations as per codes applicable with following requirements:
  • Construction stage (temporary conditions) with soil structure interaction.
  • Post construction (permanent condition).
  • Review of design documentation and drawings.
  • Verification of compliance with relevant codes, standards, and regulations.
  • Assessment of structural integrity, feasibility, and safety measures.
  • Recommendations for design improvements (if necessary).
  • Report submission with findings and suggestions.
  • Site visit.
Project duration – 2024 to ongoing
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Kottavalasa-Koraput Doubling Railway Line Project

Authority:East Coast Railway
Location:Andhra Pradesh (India)
Project Overview:
  • The Kottavalasa-Koraput Doubling Project aims to enhance rail connectivity.
  • It spans from Km. 45.483 to Km. 72.550, connecting Shivalingapuram Station to Borraguhalu Station.
  • The project falls within the Waltair Division of the East Coast Railway.

Construction Tasks:
  • Earthwork in formation and Blanketing.
  • Minor bridges, Drains, and Barricading.
  • Protection works.
  • Construction of Major Bridges:
    • Bridge No. 164 (1×18.3 + 1×24.40 + 2×30.50m CG)
    • Bridge No. 169 (1×30.05m CG)
    • Bridge No. 176 (1×30.05m CG)
    • Bridge No. 197A (1×30.50m CG)
    • Bridge No. 198 (2×24.40m CG)
    • Bridge No. 267 (1×18.30 + 2×30.50m CG)
Tunnels:
  • T8 & T9 (710m)
  • T9A (490m)
  • T9B (500m)
  • T10 (720m)
  • T11 (730m)
  • T12 & T13 (1080m)
  • T14 (620m)
  • T15 (380m)
  • T16 (750m)
  • T17 (580m)
  • T17A (580m)
  • T18, T19, T20 (1420m)
  • T21 to T27 (4220m)
  • T28 (360m)
  • T29 to T36 (5210m)
  • T37, T38, T38A (1360m)
  • T38B (350m)
Other Works:
  • Open/underground excavation.
  • Rock bolts and steel supports.
  • Shotcrete and concrete works.
  • Drainage systems.
  • Ballast-less track works.
  • Supply, erection, and testing for commissioning of E&M works.
Scope of Work
Pre-bid Engineering services for NHIDCL Package 2 include:
  • Review of Tender documents, Proposed alignment, Tunnel cross-sections & GAD drawings.
  • Review & assessment of Geotechnical & Geological data.
  • Highlighting discrepancies in tender documents and preparing technical queries.
  • Preliminary design and BOQ preparation for Civil and MEP works.
  • Preliminary Drawings & Technical notes for Tunnels & associate structures required for Prebid submission.
  • Instrumentation and monitoring scheme.
  • Likely construction methods.
  • Assessment of site constraints.
  • Response to bid queries during evaluation.
  • Site visit.
Project duration – 2023 to 2024
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PAGOTE TO CHOWK TUNNEL

Authority:National Highway Authority of India (NHAI)
Client:TPF Engineering Pvt Ltd.
Location:Maharashtra, (India)
Project Name

Consultancy services for Preparation of DPR for development of Economic Corridors, Inter Corridors, Feeder Routes and Coastal roads to improve the efficiency of freight movement in India (Lot-1/Maharashtra/Package-3) – Pagote to Chowk

Project Overview:

Pagote to Chowk Project alignment begins near Pagote village at Ch.0+100 and ends at Chowk on NH-48 Ch.29+319 . Total Length of the Project is 29.219 Kms. Along the proposed alignment there are 2 nos. Twin Tunnels proposed, details are as below,

  • Tunnel 1 = 1900m Approx Length
  • Tunnel 2 = 1568m Approx Length
Scope of Work

Consultancy service for Preparation of feasibility study & detailed project report for Pagote to Chowk Project. Our services include:

  • Geological Mapping and Surveys along with analysis and detailed report conforming to requirements of IRC: SP:91-2010 and with derivation of parameters required for Tunnel Design and Protection measures.
  • Review the available Geotechnical Investigations and suggest required extents and type of Geotechnical Investigations required.
  • Design of Tunnel including Portals, Protection measures such as Lining, etc., based on available data of similar projects (e.g., Pune Ring Road).
  • Preparation of tender documents as part of the EPC Contract, including:
    • Schedules
    • Material specifications report
    • Typical layout & cross-section drawings
    • Bill of Quantities (BOQ) for tunnels and associated structures
  • Site visits.
  • Providing assistance during the tender stage.
Project duration – 2024 – 2025
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QUAZIGUND BANIHAL TUNNEL

Authority:National Highway Authority of India (NHAI)
Client:Oriental Structural Engineers Pvt. Ltd.
Location:Jammu & Kashmir, (India)
Project Name

Technical due diligence works for operation and maintenance of 4-laning of Quazigund to Banihal section from km 189.350 to km 205.618 Of NH 1a including twin tube tunnels of 8.45km length on BOT(Annuity) basis in the Union Territory of Jammu & Kashmir.

Scope of Work

The scope of work for the technical due diligence is defined here as under: Scope of Services

  • Prepare a brief report for existing condition of tunnel, deficiencies of tunnel, maintenance, and remedial measures of the tunnel.
  • Prepare an inventory (for Tunnel Portion Only).
  • Determine inventory, highlight concerns (if any), and good practices.
  • Produce a photographic and tabular report of the infrastructure assets inventory.
  • One-time repairs and rectification cost with sketches, if any.
  • Comprehensive site appreciation report, including a detailed site plan and project photo documentation.
  • Assess and report any non-compliances or deviations from the concession agreement’s requirements.
  • Analyze potential risks related to operations and maintenance.
  • Assess the life expectancy and quality of structures.
  • Provide recommendations on best practices, industry standards, improvement plans, and value engineering suggestions.
  • Prepare a final report incorporating client comments, suggestions, and recommendations.
Project duration – 2023 – 2024
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KANGRA BYPASS TUNNEL

Authority:National Highway Authority of India (NHAI)
Client:LEA Associates South Asia (LASA)
Location:Himachal Pradesh (India)
Project Name

Rehabilitation and Upgradation to 4-lane road from km. 157+000 to km. 193+407, Jwalamukhi Bypass to Kangra Bypass up to intersection of NH 154 of Shimla to Mataur section of NH-88 in the state of Himachal Pradesh on HAM Mode

Scope – Detailed design of MEP & Ventilation design for 590m twin tunnel

Scope of Work

Consultancy service for Detailed design of MEP for tunnel. Our services include:

  • Detailed design of tunnel MEP.
  • Detailed design of Tunnel Ventilation system.
Project duration – 2023 to 2024
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PUNE RING ROAD

Authority:Maharashtra State Road Development Corporation Ltd.
Client:TPF Engineering Pvt Ltd.
Location:Pune, Maharashtra, (India)
Project Name

Consultancy Services for preparation of Feasibility Study/Detailed Project Report of Pune Ring Road, Urse to Paud Road to Khed Shivapur, Phase-II (Western Part)

Project Overview:

The Project Expressway is part of the Pune Ring Road’s west side, a six-lane divided carriageway with full access control, passing through Green Field area in the state of Maharashtra. The project is divided in to three packages.

  • Urse to Kasaramboli (27.360 km)
  • Kasar Amboli to Khamgaon Maval (21.290 km)
  • Khamgaon Maval to Kusgaon (13.800 km)
Scope of Work

Consultancy service for Preparation of feasibility study & detailed project report for Pune Ring Road, URSE to Paud Road to Varve (Bk) (Western Part). Our services include:

  • Survey & setting out of the Alignment
  • Geotechnical & Geological investigation
  • Conducting feasibility studies and preparing design reports (specifically for the tunnel part)
  • Preparation of tender documents, including:
    • Schedules
    • Material specifications report
    • Typical layout & cross-section drawings
    • Bill of Quantities (BOQ) for tunnels and associated structures
  • Providing assistance during the tender stage
Project duration – 2023 to 2024
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SHIMLA BYPASS TUNNEL

Authority:National Highway Authority of India (NHAI)
Client:APCO Infratech Pvt. Ltd
Location:Shimla, Himachal Pradesh (India)
Project Name

Construction of Four laning of NH-5 from Kaithlighat to Shakral Village (Shimla Bypass Package I from Km 128+835 to Km 146+300 for Design length – 17.465 Km) in the state of Himachal Pradesh on HAM

Scope of Work
Pre-bid Engineering services for NHIDCL Package 2 include:
  • Review of Tender documents, Proposed alignment, Tunnel cross-sections & GAD drawings.
  • Review & assessment of Geotechnical & Geological data.
  • Highlighting discrepancies in tender documents and preparing technical queries.
  • Preliminary design and BOQ preparation for Civil and MEP works.
  • Preliminary Drawings & Technical notes for Tunnels & associate structures required for Prebid submission.
  • Instrumentation and monitoring scheme.
  • Likely construction methods.
  • Assessment of site constraints.
  • Response to bid queries during evaluation.
  • Site visit.
Project duration – 2022 to 2023
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AIZAWL BYPASS TUNNEL

Authority:National Highways & Infrastructure Development Corporation Limited (NHIDCL)
Client:Kalpataru Projects International Limited (KPIL)
Location:Aizawl, Mizoram (India)
Project Overview

Construction of Twin Tube Uni-directional Aizawl Bypass Tunnel of 2.5 km and its approaches of 2.1 km from km 10.600 to km 15.200 (Package 2) on Sairang – Phaibawk section of NH-6 in the State of Mizoram on EPC Mode.

Project Overview:

a) Tunnel Length : 2500m (Twin Tunnel with 2 Lane Carriageway)
b) Bridge : 2 Nos of Minor Bridge
c) Culvert : 8 Nos of Box Culvert
d) Wall
  • Retaining Wall = 230Rm
  • Breast Wall = 1760Rm
  • Gabion RE Wall = 6700Sqm
  • Gabion Wall = 1300Rm
Scope of Work
Pre-bid Engineering services for NHIDCL Package 2 include:
  • Review of Tender documents, Proposed alignment, Tunnel cross-sections & GAD drawings.
  • Review & assessment of Geotechnical & Geological data.
  • Highlighting discrepancies in tender documents and preparing technical queries.
  • Preliminary design and BOQ preparation for Civil and MEP works.
  • Preliminary Drawings & Technical notes for Tunnels & associate structures required for Prebid submission.
  • Instrumentation and monitoring scheme.
  • Likely construction methods.
  • Assessment of site constraints.
  • Response to bid queries during evaluation.
  • Site visit.
Project duration – 2023 to 2024
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DELHI VADODARA EXPRESSWAY

Authority:National Highway Authority of India (NHAI)
Client:TPF Engineering Pvt. Ltd.
Location:Rajasthan, (INDIA)
Scope of Work
Proof Consultancy Services for Delhi-Vadodara Green Field Alignment (NH-148N) under Bharatmala Pariyojana in the state of Rajasthan on EPC mode.
  • Temporary & Permanent Structures of Twin Tunnel
  • Cross-Passages & Ramps
  • Emergency layby for Tunnel
Project duration – 2022 to ongoing
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BHARATMALA PARIYOJANA (PKG-2)

Authority:National Highway Authority of India (NHAI)
Client:TPF Engineering Pvt. Ltd.
Location:Dehradun, (INDIA)
Scope of Work
Proof checking of Tunnel & associated structures for Bharatmala Pariyojana on EPC Mode (PKG-2).
  • Review of Tunnel & Portals Design
  • Geotechnical, Hydrological Investigations & Topographical survey reports review & share observations
  • Characteristics of materials from borrow areas and quarry sites review
  • Recommendations of the safety consultant
Project duration – 2022 to 2023
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