Project Overview
Construction of Four lane Elevated Flyover at Bihat Chandni chowk from Km. 209.450 to Km. 210.350 (Total Length= 900m) of NH31 for permanent rectification of MORTH Identified Blackspot over Simaria-Khagaria Section of NH-31 from Km.206.050 to 266.282 (Design Chainage) of NH-31) in the state of Bihar on EPC mode.
Project Details
- Project Authority: NATIONAL HIGHWAYS AUTHORITY OF INDIA
- EPC Contractor: HARI CONSTRUCTION & ASSOCIATES PVT. LTD.
- Type of Job: Four lane Elevated Flyover
- Road Length: 1.225 km
- Carriageway: Four lane Elevated Flyover
- Pavement: Flexible pavement
Structures
- Load Bearing RCC Drain: 400 m
- Flyover: 1 No Span- 18x30m
Scope of Work
- Physical Site Visit & Ground Reality Assessment
- Study of RFP, Concession Agreement, Schedules B, C, D, H
- Study of Tender Drawings vs Site Requirement
- Original Ground Level (OGL) Survey, Centre Line Transfer
- ROW Demarcation, Utility Shifting Survey, Tree Counting
- Longitudinal Section & Cross Section Survey
- Contour Survey, DTM Generation
- Detailed Highway Design in Civil 3D / OpenRoads
- Geometric Design – Plan, Profile, Cross Section (10m Interval)
- TCS Drawings, Junction Design, Service Road Design
- Flexible & Rigid Pavement Design (IRC:37, IRC:58)
- Structural Design of All Structures:
- Hume Pipe Culvert, Box / Slab Culvert, Minor Bridge, Major Bridge, VUP, LVUP, SVUP, PUP, ROB, RUB, Flyover, Viaduct
- Foundation Design – Open, Pile, Well Foundation
- RE Wall Design, Retaining Wall, Breast Wall, Toe Wall
- Slope Protection Works – Cost Comparison (Geotextile vs Boulder vs PCC)
- Drain Design – Longitudinal Drain, Median Drain, Outfall
- Preparation of GFC Drawings with BBS, BOQ, Construction Sequence, Shuttering Scheme
- Proof Checking & IE/AE Approval Coordination
- Value Engineering – Reducing Steel / Concrete / Height to Save Cost & Time
- Change of Scope (COS) Proposal: Identification of COS Events as per CA Clause 16, Preparation of Detailed Design, Drawings, Estimate as per SOR, Rate Analysis for NS Items with 3 Quotations, Justification Note, Submission to IE/AE
- CA Cost / Additional Cost: Due to Change in Law, Change in Design, Extra Lead, Delay due to ROW / Utility
- Variation Statement, Extra Item Statement
- Road Marking & Signage Plan: Plan as per IRC:35, IRC:67, Placement Drawing, Quantity
- Junction Improvement Plan: Layout Plan, Turning Radius, Channelizer Island, Stop Line, Signal Location
- Road Safety Report / Audit: As per IRC:SP:88, Black Spot Analysis, Safety Measures, Crash Barrier Warrant, Speed Breaker, Rumble Strip Details
- Preparation of AsBuilt Drawings for Highway – Plan, Profile, Cross Section with Final Levels
- AsBuilt for All Structures – Foundation, Substructure, Superstructure with Actual Levels
- AsBuilt for Junction, Drain, RE Wall, Protection Works
Project Gallery
