Banku Lahiri

Preparation of Survey Drawing and Data for Execution. Review and redesign the drawing to avoid clashes with the existing under ground services. Manage and plan the Survey Team with the coordination of construction team and subcontractor for smooth functioning of site. Liaison with Consultant and Client for Inspection. Calculation and rechecking of Volume of works related with excavation and back filling for Billing purpose.

July2012 till April 2015 PARSONS INTERNATIONAL LIMITED
Designation Land Surveyor
Client Qatar Foundation
Project Western Green Spine (Land Scape Project) consisting of Football Court, Tennis Court, Basket ball Court, Skate park, Children Play area, Underground Plant Room and Reservoir
Responsibilities
• Represent the Engineer of Record, Review, and Check. Approve the Submittals of Shop Drawings related to all Survey activities involved.
• Check the Control points with the Bench mark of Qatar National Datum.
• Check the layout of the site as per Approved drawing.
• Checking the As Built of Existing Underground Services and Superimposing on Shop Drawing by AutoCAD to determine the clashes to avoid complication during construction.
• Highlighting the discrepancies to the related Discipline Engineers and coordinate with client's Representative to resolve the issues.
• Implementation of Quality and Safety at work Site as per method statement and Client's Standard Safety Norms.

Dec2010 till Feb 2012 GVR INFRA PROJECTS LTD ( A Fast growing Infrastructure Company) based in India.
Designation Asstt. General Manager (Survey)
Client Different State Govt. Authority and National Highway Authority of Govt. of India
Project Widening and upgrading of State and National Highways.
Responsibilities and Duties
• Review of Survey work prior to start of the Project.
• Designing of new profiles as per Site Condition,
• Procurement of Survey Instruments as per site requirement considering the Cost Control Factor.
• Computing of Cut and Fill quantity to minimize the expense of Construction
• Coordinate with Client for Approval of Drawing and design. Computing the Quantity for Budgeting of extra cost wherever needed.
• In charge of 100 Surveyors for 32 Projects all over India

• Represent the Engineer of Record, Review, Check and Approval of Submittals of Shop Drawings.
• Check the Control Points with the Bench Mark of Dubai Municipality
• Check the Erection of Steel Structures, as per Coordinates and Levels and Approve the same.
• Check all the Civil and MEP works, Review and Approval of all Layout Drawings, Calculating the Quantum of Earth and Civil works. Furthermore ensuring the Quality as per Method Statement, and Approve the same as per Supplier’s Material Technical Submittals.
• Check and Approve the Layout of Horizontal and Vertical Curve of Roads by Super imposing it on the Utility Drawings to determine uninterrupted construction activity.

 Prepare & assigned daily survey work activities & coordinate with site operations of their daily work plan to ensure all survey activities are carried out without delayed.
 Review design drawings - details & prepare calculation of design survey data & coordinates required during field work.
 Established survey control network for civil & track works activities for survey control references in setting out alignment & elevation to all sub - structure & super structure erected.
 Prepare as - built drawings / reports for documentation & maintain all survey records.
 Conduct inspection & joint survey with sub-contractors & consultant- survey representative for final verification of alignment / location & elevation prior to concrete pouring & any other related survey work activities.
 Deal with surveyor for checking the level of underground pipes and records same.
 All kinds of drawing checking and convince with consultant regarding site problems.
 Prepare, Maintain and Check the Calibration record of different Survey Instruments.
 In-charged of providing field survey to construction department.

Nov1999 to Oct 2003 Mohammad Al Mojil Group, Rub Al- Khali, Saudi Arabia,
Designation Senior Surveyor
Project Construction of Oil Refinery and Petro Chemical Plant
Client Aramco, Saudi, Arabia

Responsibilities and Duties
• Plotting of cross-section after clearing and grubbing including the preparation of Working Drawing for Implementation of Project,
• Prepare & assigned daily survey work activities & coordinate with site operations of their daily work plan to ensure all survey activities are carried out without delayed.
• Review design drawings - details & prepare calculation of design survey data & coordinates required during field work.
• Established survey control network for civil & track works activities for survey control references in setting out alignment & elevation to all sub - structure & super structure erected.
• Prepare as - built drawings / reports for documentation & maintain all survey records.
• Conduct inspection & joint survey with sub-contractors & consultant- survey representative for final verification of alignment / location & elevation prior to concrete pouring & any other related survey work activities.
• Prepared soft copy of topographic map in an appropriate scale and contour interval Auto cad.
• Deal with surveyor for checking the level of underground pipes and records same.
• All kinds of drawing checking and convince with consultant regarding site problems.
• In-charged of providing field survey to construction department.

Responsible as a Survey Manager for GIS Mapping of the Habitat for detail development program me. This includes Setting out Traverse Station, Triangulation and Detailed Mapping of Existing Roads, Buildings, Sewage, mosque, Temples, Churches, Electrical High Tension, MV, HV and LV Lines, Transformers and other Permanent and Temporary Structures. Managing a team of 40 Surveyors. Planning, Budgeting and Execution of the work in the scheduled time frame.

Feb 1994 to July 1998 Lian Beng Construction Company PTE. Singapore
Designation Senior Surveyor
Projects under taken 1) Construction of 6 lane Dual carriageway
2) Construction Multi Span Bridge. This Bridge is consist of 5 Structure Unit & 3 Types of Bridge Construction
Unit I) A multi- span bridge constructed using Incremental launching Method.
Unit II) A 5 span continuous concrete box girder incrementally cast in - place using the balance cantilever method with form traveler
Unit III, IV, V: This transition & ramp unit are two multi-span continuous cast in -place using Scaffolding.
3) Construction of Mixed use Five Storied Residential and Commercial Buildings.
Responsibilities and duties
• Fixing of Control Points prior to the start of the project
• Checked the setting out of pile location prior to driving of casing and as-built the position of casing prior to concrete casting for bored pile.
• Perform survey for work axis, , structure as piles, piers and bridges.
• Computation of locations, levels and settlements of survey reference points on pier, abutment, earthworks embankment.
• Computation of cross fall, gradient, coordinates, elevations, bearings, distances, offsets, skew angles, radii, lateral distances between horizontal alignments of setting out lines and ramps with box geometry lines related to substructure and superstructure (piles, pile caps, column heads, box girders, portals, crossheads, plinths, bearings down stands, parapets, movement joint joints, asphalts, road markings, crown lines, noses span layouts)
• Responsible for Layout of the entire project as per Approved drawing.
• Calculate the Quantity of Excavated Earth Work
• Layout for Civil Structures as Columns, Walls, MEP Box outs.
• Layout for Underground Utility Services such as, Storm Water, Sewage Line, Irrigation Line, Potable Water and Electrical HV, MV, LV lines along with manholes)
• Maintaining the Calibration Record

Dec 1979 to Dec 1993 Steel Authority of India Limited (SAIL), Bokaro Steel Plant, Govt. of India Enterprises. India.
Designation Chief Surveyor
Responsibilities Layout of 5kms of long Tunnel, 60 kms long Four lane dual carriageway, Residential Township including infrastructure works, Two nos. of Bridges, 180 Mts. High RCC Chimney, Continuous Casting System in Steel Melting Shop, Installation and refurbishment of various types of Equipment, Railway tracks inside the plant area, 210 MW Captive Power Plant etc.

Aug 1977 to Nov 1979 Patel Engineering Co.Ltd. India
Designation Surveyor
Project Yamuna Hydro-ElectricPowerPlant, Dakpathar, Dehradun, India.
Responsibilities Layout of Tunnel, Erection of Steel Girder and Ribs, Calculating the Quantum of earth work.