Engr. Subrata Dev Halder Email & Phone Number

Bangladesh

Bangabandhu Sheikh Mujib Railway Bridge Construction Project, Package -Wd-1 & Wd-2.

Description of Duties:• This is a Mega Railway Bridge Construction Project over the Jamuna River and 300m upstream of the Highway Bridge. Railway Bridge is a Dual-gauge Double Truck Railway. Its total length 4.8km, total pier nos. 50, total span nos. 49, two viaducts (0.05km each) and total 7.67km railway approach embankment (both side).• Responsible for all kinds of Concrete Delivery.• Responsible for quality and quantity of concrete by controlling concrete slump and temperature. (Pier section and land section).• Following the mix design as per concrete order and produce concrete as required.• Receive concreting materials after ensuring proper quality by field test as required.• Maintaining accurate records of material testing results and compliance documentation. • Ensuring all materials used and work performed as per specifications.• Concrete produces and delivering (Land Section) for Viaduct area concreting (Cast-in-situ Pile, pile cap, pile head, abutment, 6 nos. PC T-girder), Pre-cast Cement Concrete Block casting (300mmx300mmx200mm), Embankment area concreting (2 nos. underpass, open ditch lean, base slab, side wall, covered ditch, covered slab, U-drain, rubble concrete/ toe wall, CC Block pitching), Renovation area concreting (CIP pilot pile, service pile, bottom slab, top slab box wall, retaining wall, vertical wall, head wall, side wall, u-drain, drain culvert, open drain, Station Building, lift core ), spacer block, yard casting.• Monitoring, supervising follow-up activities of rod placing, binding, shuttering & casting for Pier Top Slab, Pier Column and Pier Head as per design and drawing.• Coordinate with Site Management, Consultants and other Colleagues.

Rohingya Refugee Camp, Ukhiya, Cox’S Bazar.

Description of Duties:• Review the structural design, drawings, estimations and technical specifications of 1.5 km HBB road construction & slope stabilization.• Monitoring & supervising the construction of 1.5 km HBB road related works as HBB road construction, bricks retaining wall, main drain & small drain, box culvert & pipe culvert, bricks stairs.• Monitoring & supervising the construction of Slope Stabilization related works. Which is done by Bamboo fencing, Geo-tube, Bricks Retaining Wall, Tripal Covering.• Coordinate with CIC office, Site Management, WFP Engineer, Vendor, VERC, and CNRS Colleagues.• Active in monitoring work of the team in accordance to the work plan and monitor day- to-day activity progress of construction projects.• Regular field visits to monitor construction works, and report quality and progress of site construction.• Ensuring all materials used and work performed are as per specifications.• Overseeing quality control, health and safety matters on site.• Active during the Cash Distribution among the beneficiaries.• Preparing reports as required.

Rangamati Road Division, Rangamati.

Description of Duties:• Monitoring & supervising the construction of 31 Nos. R.C.C Retaining Wall, 944 Nos. Cast- insitu Pile (Variable Pile Length 12.6m, 15.6m, 18.6m & Dia. 600mm). Total R.C.C Retaining Wall Length 1092m and total pile length 14408.40m.• Monitoring & supervising the construction of 40.974 m (1X39.634m.) long Pre- Cast Ghagra Bridge.• Work start from Bed Excavation for R.C.C Wall foundation and R.C.C Retaining Wall, as well as Pile layout for pilling.• Supervising the shuttering, rod placing, binding works & casting of R.C.C Retaining Wall Base, R.C.C Retaining Wall, R.C.C Wall foundation, Wall Cap/Abutment Base, Abutment Wall, Abutment top, Cantilever Wing Wall and Pre-Cast Girder as per design and drawing.• Follow-up activities of the substructure works such as earth excavation, pile cap breaking (after 28 days) and backfilling.• Supervise the substructure works such as-earth excavating, footing, short column, grade beam casting as per design and drawing for building.• Supervise the superstructure works, such as- column, beam, slab casting as per design and drawing for building.• Acting as the technical adviser on site for Site Engineer, contractor & subcontractors, foremen and crafts people.• Liaising with Executive Engineer, SD, SO, Site Engineer, contractor & general workforce involved in the project.• Ensuring all materials used and work performed as per specifications.• Estimating the quantity of construction materials and order materials as per needs.• Preparing reports as required.

Doha, Qatar

QPR-Dukhan Road (East Contract) -(1). Bani Hajer Interchange (West) to the Tilted Interchange (East) highway. (2). Al-Gharrafa Road from Al-Rayyan Street (South) to Thani Bin Jasim Street (North) highway.Description of Duties:• This is a Mega Highway Project, including roads and related constructions.• Monitoring & supervising of the construction of Flyover Type Cast-in-situ Beam Bridges (different length 2210m, 1720m, 1370m and width for every bridge 19m), Eleven Pre-Cast Girder Bridges (Length 35m with different width), Approximately 11.7km long Dual Carriageway Roads (Rigid Pavement, Flexible Pavement & Combined), Approximately 23km Diversion & Service Roads, Five Interchanges, APM Underground tunnel (Length 413m), Underground Micro- tunnel (Length 8972m, Diameter 2.4m and 1.6m), Underpasses (4273m), Raft foundation, Retaining Wall, Ramp Area & Others.• Monitoring & supervising of the construction of Mainline for Dukhan Road East consists of eight lanes (four lanes in each direction, separated by a median) with Service Roads and auxiliary lanes along sections of the road.• Supervising concrete casting schedule and casting as required.• Used ready-mix concrete which is manufactured in a batch plant as per specific as required.• Ensuring full implementation, monitoring and checking of the approved Method of Statement, Inspection and Test Plan as the Consultants requirements.• Monitoring of the RCC post pouring Work for all kind of structures as required. Used lot of chemicals and materials for post pouring works.• Strongly follow the method of statement, design and drawings as per QCS.• Providing all necessary site direction and issue indications concerning road works, utilities and other related activities.• Preparing documents, progress report, work schedule as required and submit to office.

Khilgoan, Dhaka.

Two Residential Building Project- (1). Biswas Chalantika (10 Storied with 1 Basement), H#442-443/A, Khilgoan Punorbason Area, Dhaka. (2). Biswas Hasnahena (10 Storied Building), H# 421/C, khilgaon "C" Zone (south), Dhaka.Description of Duties:• Supervising the superstructure works, such as- column, beam, shear wall, lift core, slab casting as per design and drawing.• Supervising the shuttering, rod placing & binding, brick & plastering works.• Supervising the electrical, sanitary, paint, aluminium-glass, interior works and brick works.• Supervising the Ready Mix Concreting in MAT Foundation and Slab.• Communication with Architect, Structural Designer, Electrical and Plumbing Designer to solve any relative problems.• Preparing details drawing, designs, bill of quantities (BOQ), and work plan as per required. • Preparing work schedule and progress report. Best monitoring and solving difficulties.

Mohammodpur, Dhaka.

(1). Five Storied Residential Building, House# 9/1,Road# 1/B, Block# B, Nobodoy Housing Society, Mohammadpur, Dhaka. (2). Five Storied Residential Building, 15/C-6/C, Hazi Chinu Mia Main Road, Tikka Para, Mohammadpur, Dhaka.Description of Duties:• Work started from pile layout and completed total construction residential building project.• Supervising the substructure works such as-earth excavating, cast-in-situ pile casting, pile cap, footing, short columns, grade beam casting as per design and drawing.• Supervising the superstructure works, such as- column, beam, slab casting as per design and drawing.• Supervising the shuttering, rod placing & binding, bricks work & plastering, electrical, sanitary, paint, aluminium-glass, interior works.• Estimating the quantity of construction materials and order materials as per needs.• Preparing details drawing, designs and work plan as per required.• Prepare work order for Supplier & Subcontractor as per market price and check the Supplier & Subcontractor’s bill as per work order & site work done progress.

Bachelor Of Science (B.Sc.), Civil Engineering

H.S.C, Science

H.S.C, Science