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CDC CONSULTING DESIGN ENGG. CENTRE (P) LTD.

MARINE STRUCTURES  |  BUILDING AND INDUSTRIAL STRUCTURES

BRIDGES AND INFRASTRUCTURE PROJECTS BY CDC

Client Project Name Project Details Details of Assignment
Calcutta Metropolitan Development Authority Ltd./ IRCON International Ltd. Proposed Flyover at Sonarpur Railway  Crossing 2 Lane 560 m long Flyover with 7.5 m wide carriageway and 1.5 m wide footpath on each side comprising of Structural Steel Composite / RCC Superstructure supported on 900 mm dia RCC Bored Cast-in-situ Piles Site reconnaissance survey, selection of bridge alignment and appropriate bridge form, preliminary design and cost estimate followed by preparation of detail design, drawings and final cost estimate
Calcutta Metropolitan Development Authority Ltd./ RCON International Ltd. Proposed Flyover along EM Byepass at Baghajatin Railway Crossing over South Section of E Rly 6 Lane 678  m long Flyover with  11.0 m wide carriageway and 1.5 m wide footpath on each side comprising of Structural Steel Composite / RCC Superstructure supported on 900 mm dia RCC Bored Cast-in-situ Piles Site reconnaissance survey, selection of bridge alignment and appropriate bridge form, preliminary design and cost estimate followed by preparation of detail design, drawings and final cost estimate
Eastern Railway / M/s Meumal Athwani Construction of 4 Lane ROB at Bakter Nagar Railway Crossing Construction of 4 Lane ROB ( 1 X 40 m +   
1 X 32 m ) in 55 0  skew with Structural Steel Composite Superstructure supported on 600 mm dia Bored cast-in-situ Piles
Preparation of preliminary design, preliminary cost estimate followed by preparation of detail design, drawings and final cost estimate
National Highway Authority of India / M/s CES Construction of 2 Lane ROB at Mecheda on NH 41 (Port Connectivity project) Construction of of 2 Lane 600 m long Flyover with 8.30 m wide carriageway over South Eastern Railway Main Line near Mecheda Railway station Preparation of preliminary design, preliminary cost estimate followed by preparation of detail design, drawings and final cost estimate
National Highway Authority of India / M/s CES Construction of 2 Lane ROB at Padampur on NH 41 (Port Connectivity project) Construction of 2 Lane 600 m long Flyover with 8.30 m wide carriageway over South Eastern Railway  Line connecting Haldia  with  Paskura near Padampur Railway station Preparation of preliminary design, preliminary cost estimate followed by preparation of detail design, drawings and final cost estimate
National Highway Authority of India / M/s CES Construction of  4 Lane ROB along NH 41 over Digha - Tamluk Line  (Port  Connectivity project) Construction of 2 Lane 600 m long Flyover with 8.30 m wide carriageway over proposed Digha - Tamluk Line Preparation of preliminary design, preliminary cost estimate followed by preparation of detail design, drawings and final cost estimate
National Highway Authority of India / M/s CES Construction of  4 Lane ROB along NH 41 over Haldia -Paskura Line at Raichawk (Port Connectivity project) Construction of 4 Lane 600 m long Flyover with 8.30 m wide carriageway over  Paskura - Haldia Line  near Raichawk Preparation of preliminary design, preliminary cost estimate followed by preparation of detail design, drawings and final cost estimate
National Highway Authority of India / M/s CES Construction of  2 Lane High Level Bridge over Midnapur Canal on NH-41 near Mecheda,  (Port Connectivity project) Construction of 2 Lane 73 m long Bridge with 8.75 m wide carriageway and structural steel composite superstructure supported on pile foundation over Midnapur Canal near Mecheda Preparation of preliminary design, preliminary cost estimate followed by preparation of detail design, drawings and cost estimate
South Central Railway / M/s BBJ Construction Co. Ltd. 12 X 92  m span Rail Bridge over river Krishna Construction of single track 92.0 m span  “Through type” Structural steel Railway Bridge to suit “MBG” loading. Each span weighs about 345 ton Preparation of preliminary design, preliminary cost estimate followed by preparation of detail design, Stress sheet, Joint design, detail fabrication drawing, erection scheme, including erection stress calculation and final cost estimate.
South Central Railway / M/s BBJ Construction Co. Ltd. 2 x 60 feet + 7 X 160 feet   m span Rail Bridge over river Kanhan Construction of single track  “Through type ”Structural steel Railway Bridge to suit “Heavy Mineal “ loading. Each span weighs about 210 ton Preparation of preliminary design, preliminary cost estimate followed by preparation of detail design, Stress sheet, Joint design, detail fabrication drawing, erection scheme, including erection stress calculation and final cost estimate.
Goa  PWD/ M/s Kaverner Cementation India Ltd. Construction of High Level Road Bridge over river Mandovi at Goa Construction of 2 Lane 450 long bridge with 7.50 m wide carriageway. The span configuration comprises of 3 X 30 M + 4 X 50 m + 2 X 65 m  “Through Type” structural steel  girders supported on Well/pile foundation. The central well foundations falling in the navigational channel has been designed to withstand barge impact force of 500 T. Preparation of detail design, Stress sheet, Joint design, detail fabrication drawing, erection scheme, including erection stress calculation including detail design and working drawings of substructure and pile / well foundations. Scope of work also include design of all temporary works viz. preparation of installation scheme for cassions including pontoons gantries etc.
Public Works Department Arunachal Pradesh Composite Steel Superstructure bridge at Pasighat, Arunachal Pradesh 2 lane simply supported 22.0 m span fabricated steel plate girders composite with RCC deck slab Preparation of detailed design and working drawings for 22.0 m span fabricated Mild Steel Plate Girder superstructure composite with RCC deck slab.
Public Works Department Arunachal Pradesh Bailey Suspension bridge over river Siyum at Mechuka at Arunachal Pradesh 1 lane Class 18 R Bailey Suspension Superstructure complete with RCC Portal type open foundation and Gravity type anchor block Site reconnaissance survey, selection of bridge alignment and appropriate bridge form, preliminary design and cost estimate followed by preparation of detail design, drawings and final cost estimate of 109.8 m Bailey suspension bridge.
DVC/ Larsen & Toubro (ECC Division) 220 KV substation for DVC at Parulia, Durgapur 2 lane internal road network of the entire substation complex Preliminary site survey, study of soil report, design of internal roads, preparation of bill of quantities and estimates, infrastructure planning
PWD, West Bengal / Decop India Cable Suspension bridge over river Churni at Ranaghat, West Bengal 2.5 m wide 70 m span steel fabricated superstructure and tower blocks on bored cast-in-situ pile foundation. The superstructure is hung by pre-stretched suspension bridge wire ropes anchored into gravity type anchor blocks. Site reconnaissance survey, selection of bridge alignment and appropriate bridge form, preliminary design and cost estimate, preparation of detail design and working drawings, technical specification for special bridge fixtures and erection scheme for the cable and superstructure.
Public Works Department, Arunachal Pradesh RCC bridge over river Siemen, Arunachal Pradesh 2 lane simply supported 21.0 m RCC T-beam girders, deck slabs, supported on RCC piers / abutments on open foundation Site reconnaissance survey, selection of appropriate bridge alignment including span arrangement of the bridge, preparation of detailed design including working drawings, detailed cost estimate.
Public Works Department, Arunachal Pradesh 42.0 m span Semi-through steel bridge over river Rimi Nallah at Yingkiong, Arunachal Pradesh (AP) 1 lane 24R Semi-through Steel superstructure complete with steel plate decking and founded on open foundation abutments. Site reconnaissance survey, selection of appropriate bridge alignment including span arrangement of the bridge, preparation of detailed design including working drawings, detailed cost estimate, checking of fabrication work at workshop including review of erection scheme prepared by the contractor.
Public Works Department, Arunachal Pradesh RCC bridge over river Remi Koreng, Arunachal Pradesh 2 lane simply supported 21.0m RCC T-beam girders, deck slabs, supported on RCC piers/abutments on open foundation. Site reconnaissance survey, selection of appropriate bridge alignment including span arrangement of the bridge, preparation of detailed design including working drawings, cost estimate.
Public Works Department, Arunachal Pradesh 36.0 m span Semi-through steel superstructure over Cicili Nallah at Yingkiong at AP 1 lane 24R Semi-through Steel superstructure complete with steel plate decking and founded on open foundation abutments. Survey, selection of appropriate bridge alignment including span arrangement of the bridge, preparation of detailed design including working drawings, cost estimate, checking of fabrication including review of erection scheme.
Public Works Department, Arunachal Pradesh 360’ Bailey Suspension bridge over river Siyat at Arunachal Pradesh 1 lane Class 18R Bailey Suspension superstructure complete with RCC portal type open foundation and gravity type anchor block. Survey, selection of bridge alignment and appropriate form, preliminary design and cost estimate followed by preparation of detailed design, drawings of 109.8m span Bailey suspension bridge.
Public Works Department, Arunachal Pradesh Pedestrian Suspension bridge over river Siyang at Sangam, Arunachal Pradesh 2.5m wide 70m span steel fabricated superstructure and tower blocks supported on bored cast-in-situ pile foundation. The superstructure is hung by prestreched suspension bridge wire ropes anchored into gravity type anchor blocks. Site reconnaissance survey, selection of bridge alignment and appropriate bridge form, preliminary design and cost estimate, preparation of detailed design and working drawings, technical specifications for special bridge fixtures and erection scheme for 70m Span Pedestrian suspension bridge.
Calcutta Metropolitan Development Authority Ltd./ RCON International Ltd. Strengthening of Kalyani Expressway Strengthening of Kalyani expressway, including periodic supervision Conducting Benkleman Beam test, interpretation of test results, design of Road overelay, preparation of tender document and estimates including periodic supervision
PWD Jharkhand Construction of 280 m long Cable Suspension Bridge  including approaches over River Damodar at Rajrappa near Ranchi 2 Lane 7.5 m wide Stiffened Cable Suspension Bridge designed for carrying 70 R traffic including Gravity Anchor Blocks Survey and Soil Investigation, Fixation of Bridge and Approach alignment including preparation of complete DPR, Tender estimates.
PWD Jharkhand Construction of 80 m single span Arch Bridge  including approaches over River Bhairawi at Rajrappa near Ranchi

2 Lane 7.5 m wide Steel Arch Bridge including 3 x 30 m  span steel composite approach spans supported on open foundations

Survey and Soil Investigation, Fixation of Bridge and Approach alignment including preparation of complete DPR, Tender estimates.
NHAI / Gherzi Eastern Limited Construction of proposed ROB at Jaunpur on Allahabad bye-pass 4 Lane, 1 X 40 m + 1 X 30 M span, 42 degree skew Steel composite Skew Bridge resting on Pile foundations Preparation of Detailed design, drawings and quantity estimation
NHAI/Gherzi Eastern Limited Construction of proposed three nos. RCC bridge at  Ch. Km 233.016  on Allahabad bye-pass 4 Lane 1 X 26.20 m span, 45 degree  skew RCC bridge with Pile Foundation Preparation of Detailed design, drawings and quantity estimation
West Bengal Infrastructure Development Corporation Construction of 2.2 Km long Flyover on Vivekananda Road at Kolkata 2 Lane 2.2 Km long composite Steel structure superstructure with Structural steel Pier cap, RCC Circular pier and RCC Bored-cast-in-situ pile foundation Preparation of Detailed design, pre-tender drawings and quantity  estimation
East Coast Railway / M/s BBJ Construction Co. Ltd. 30m, 31m, 32m span Through-type Steel superstructure for Cuttack-Paradip line Construction of Through-type Steel superstructure steel Railway Bridge to suit “Heavy Mineral “ loading. Preparation of preliminary design, followed by preparation of detail design, Stress sheet, Joint design, detail fabrication drawing.
PWD Arunachal Pradesh / M/s Damodar Ropeways Constn. Co. Ltd. 135m span Steel Arch Bridge across river Dree (Dibang) near Anini, Arunachal Pradesh Construction of 135m span Steel arch ribs with verticals for the suspended deck for 24R loading on single lane carriageway along with thrust blocks at both banks. Preparation of preliminary design, followed by preparation of detail design of steelwork superstructure, foundation system, Joint design, detail fabrication drawings along with preparation of detailed erection scheme.
Delhi Metro Rail Corporation / M/s BBJ Construction Co. Ltd. 60m span Arch-type Steel superstructure girders for Rajagarden - Kirtinagar section Construction of 61m span Hog-Back-type Steel superstructure girders with closed box type member configuration Detailing of entire superstructure girders.
PWD Arunachal Pradesh / M/s Damodar Ropeways Constn. Co. Ltd. 300 m long Cable Suspension Bridge  over River Siang near Yingkiong, Arunachal Pradesh Construction of 300m span 7.5 m wide Stiffened Cable Suspension Bridge with steel deck system designed for carrying 18 R loading including Gravity Anchor Blocks Preparation of detail design of steelwork deck system and stiffening truss superstructure, Main & Wind Cables with suspenders, Steel Towers, Tower Foundations, Anchor Blocks, Estimate of quantities, fabrication and R.C detail drawings.
Eastern Railway Regirdering and Rehabilitation of Bridge no. 1 near and Br. No. 17 A over river Jalangi Dismantling of existing girders with common chords, construction of intermediate piers on piled foundation followed by erection of newly fabricated Steel superstructure girders. Survey, Soil exploration, Preparation of preliminary design followed by preparation of Erection Scheme, detail design, detail fabrication drawing, Restoration scheme for existing Piers.
Eastern Railway / M/s. Civtect India Ltd.

Regirdering of Bridge no. 209, 111, 113, 117, 119, 131 at West Bengal

Dismantling of existing girders with common chords, construction of intermediate piers on piled foundation followed by erection of newly fabricated Steel superstructure girders. Preparation of Erection Scheme, detail design, detail fabrication drawing, Restoration scheme for existing Piers.
Eastern Railway / M/s. Centex India Ltd. Regirdering of Bridge no. 56 at West Bengal Dismantling of existing girders with common chords, construction of intermediate piers on piled foundation followed by erection of newly fabricated Steel superstructure girders. Preparation of Erection Scheme, detail design, detail fabrication drawing, Restoration scheme for existing Piers.
North-East Electric Power Corporation Ltd. / Arunachal Iron & Steel Traders 18 nos. Steel girder Bridges on the Pinjori Kimi Road, Kameng, Arunachal Pradesh Construction of through-type and semi-through type single-span steel girder superstructures of different span arrangements ranging from 20m to 92m c/c of bearings and substructure & foundation system. Preparation of Span arrangement, General Arrangement, Detailed design of Superstructure, substructure and foundation system including preparation of fabrication detail drawings and RC detail drawings.
Ircon International Limited ROB and its approaches near Dhule Town over the railway lines connecting Chalisgaon with Dhule City on NH3 Construction of 2 x 2 lane ROB having 3 superstructure spans of 24.00m (c/c bearing) each of Pre-cast Pre-stressed Girders with cast-in-situ Deck on substructure of solid RCC Pier / Abutment on open foundation resting on rock. The approach comprises of embankment with RE Retaining Wall. Preparation of Vertical Profile of the ROB including Approach Embankment, finalisation of General Arrangement, Detailed design of Superstructure, Substructure and Foundation system including preparation of good for execution / construction drawing including approval from Western Railway and Proof Consultant IIT, Mumbai.
Simplex Infrastructures Ltd. Temporary Bridge and Shuttering system for Casting of Well Foundation Construction of Bridge No. 115 across River Luna and Bridge No. 134 across River Mahanadi on Haridaspur – Paradeep New BG Railway Line. Finalization & Preparation of design for superstructure, liner piles for the temporary bridge and structural shuttering system for casting of well foundations.
Mackintosh Burn Limited (ALS-MBL JV) 66M Span Arch & 20.8M RCC voided slab Superstructure for the Bridge over River Ichhamati. Construction of Bridge over River Ichhamati in connection with Chakdaha-Bangaon ADB Corridor Road Project & also development of erection scheme. Preparation of detailed fabrication drawings (incl. Calculations) for the project & preparation of erection drawing and also providing necessary assistance to the project engineers.
GPT Infraprojects Pvt. Ltd. Br. No. 509 over River Noonia in Bardhaman-Asansol section. Replacement of existing girders with 18.3M(skew) span composite plate girders for ballasted deck. Providing Detailed scheme, supported by necessary designs & drawings inclusive of technical assistance to the Project Engineers for necessary clarifications during obtaining approval from Railways.
GPT Infraprojects Pvt. Ltd. ROB near Andal Town (Bridge No. 42) at Km 20.824 from Andal – Sainthia B.G. Line over River Ajay. Casting of PSC Box Girders. Preparation of scheme for casting of box girders along with design & drawing of casting truss.
GPT Infraprojects Pvt. Ltd. Bridge No. 5 over Dharwa River in connection with the proposed BG line between Deoghar and Dumka of E.Rly. Assembling, erection and launching of 3 x 45.7M through type girder of Dharwa ROB including fabrication of small components, and other ancillary work for the new proposed BG line between Deoghar and Dumka of E.Rly. Preparation of detailed scheme for erection elaborating stage-wise activities in desired sequence. Apart from that, designing and detailing of different components including detailed materials list. In addition, providing necessary technical assistance to the project engineers.
Tantia Constructions Limited Bridge No. 2A over the River Churni under E.Rly near Kalinarayanpur. Construction of Bridge No. 2A over River Churni under E.Rly. Preparation of detailed Design of Substructure and Preparation of scheme for erection of Superstructure and preparing General Arrangement Drawing(GAD), based on Survey data, Hydrological data & SI report. Also providing technical assistance to the Project Engineers for necessary clarifications during obtaining approval from Railways.
Eastern Railway ROB No. 172 in Rampurhat – Naihati section at chainage 110.704 Km. Construction of ROB No. 172 in Rampurhat – Naihati section Designing & preparation of detailed drawings including GAD of substructure & foundation inclusive of abutment & piers with provision of pile foundation to suit PSC box girder of 30.5 M span; along with detailing of components of pile foundation.
Public Works Department Arunachal Pradesh 300m span Suspension Bridge at Gandhi across River Siang under Yingkiong Division (Gandhi Bridge), Arunachal Pradesh. Construction of 300m span Suspension Bridge with steel deck system subject to IRC:18R Loading. Preparation of structural analysis and detailed designing of superstructure, and foundations and other relevant components of the bridge along with preparation of GA and fabrication Drawings for Main & Wind Cables with suspenders, stiffening truss, Deck System, Towers. GA and RC Detail of Anchor Blocks for Main and Wind cable system anchorage.
Public Works Department Arunachal Pradesh Bridge across River Sisiri on Dambuk – Paglam Road. Construction of Multi-span permanent bridge of approximate overall length of 270 M (IRC Load Class 70R) across river Sisiri on Dambuk-Paglam Road under Roing Division, PWD – Arunachal Pradesh. Preparation of Inception Report, Preliminary Design Report & Final Design Report and working drawings inclusive of Design Philosophy, Tentative Cost Estimate and GA Drawing containing dimensional details of foundation system, substructure and superstructure.
Eastern Railway Regirdering of Semi-Through Girder for Bridge no. S-26 & Composite Girder for Bridge no. S-3 of Sealdah – Diamond Harbour Section under Sealdah Division. Dismantling of existing girders, construction of newly fabricated steel superstructure girders followed by concreting of composite deck for ROB S-3. Dismantling of existing girders, construction of newly fabricated steel superstructure girders followed by erection of the same during Traffic & Power block.

Preparation of detail design of steelwork, composite deck system and scheme for erection for S-3.

Preparation of detail design of steelwork for two types of Semi-through girders of effective spans 20.09m & 25.78m along with scheme for erection for S-26.
Metro Railway ROB at Kharagpur Execution of work for preparation and submission of Design & Drawing for construction of ROB at Kharagpur. Designing & preparation of Tender drawings and tender BOQ, GAD of substructure & foundation and superstructure girders including preparation of detailed drawings detailing of different components including detailed materials list and BOQ.
Tantia Constructions Limited New continuous Jubilee Bridge (132m + 150m + 132m) across River Hooghly (Naihati-Bandel) section. Fabrication & erection of 3 span continuous Superstructure at 22m downstream of the existing bridge. Preparation of detailed fabrication and drawings and scheme for erection of Superstructure.
South Eastern Railway Major Railway Bridge over river Cossey between Km 125/1 to 26 on KGP-MDN Section. Construction of Major Railway Bridge (16x30.5m) adjacent to the existing bridge (approx 40m apart). Detailed survey, geotechnical investigations, Detailed design of Foundation system, substructure and 30.5m span superstructure.
Tantia Constructions Limited Flyover at Salt Lake Near Wipro Crossing Project comprises longitudinal steel plate girders both 25m span & 45m span steel box girder. Preparation of detailed fabrication and drawings with material and fasteners with all detailing of spliced joints, cross girders, bracing system and deck with cantilever arrangement.
Mackintosh Burn Limited Ultadanga Flyover Connecting V.I.P. Road & E.M.Bypass. Project comprises 10Nos.( 5Nos dual carriageway) 40m spans(typical) Superstructures each comprising 2Nos. Steel Longitudinal Box Girders connected with End & Intermediate Cross Girders & other connecting members of M.S. Structures. Preparation of detailed fabrication drawings along with Materials & Fasteners list.
IRCON International Limited Proposed bridge over River Doke at Chopra, at chainage Km 520+750 on NH – 31 at Chopra in Uttar Dinajpur district of West Bengal. Casting of Super-structure box-girders. Preparation of detailed Erection Scheme & Supporting Design Calculations, detailed drawings of Launching /Staging / Erection False Work and Estimate of quantities, fabrication and R.C detail drawings.
Eastern Railway ROB No. 66A (Baroda Bridge ROB) Construction of new ROB No. 66A (Baroda Bridge) of Span 2 x 26m Composite girders or 52m Through Girder on new alignment by the side of the existing bridge at Naihati. Preparation of detailed Design of foundation, Substructure and superstructure followed by preparation of scheme for erection.
Eastern Railway New Major Bridge over River Barakar in between Barakar & Kumardhubi Station. Construction of New Major Bridge over River Barakar (10x30.5m + 5x45.10m Steel Girder) with well and pile foundation, located at Km. 230.214 (C/I of Bridge) from Howrah on UP GC Section with provision of Sub & Super-structure to accommodate single line in connection with replacement of Old Bridge No. 18 on UP line. Designing & preparation of detailed drawings including GAD of substructure, superstructure & foundation with provision of pile foundation to suit 10x30.5m + 5x45.10m Steel Girder, along with detailing of components of pile foundation.
Tantia Constructions Limited Proposed Rail cum Road Bridge over River Ganga at Patna Erection of Steel Super-structure of half the length of the bridge (64m + 17x 123m). Computation of Tentative BOM for the Steelworks for Superstructure (excluding Bearing Assembly), preparation of Schematic Drawings describing the type of scheme for erection of Superstructure along with necessary design calculations for essential components of false work.
BMJ – SPM JV ROB No. 144A (at Km 291/12-13 in between station Lailakh Mamalkha – Sabour of Maldah Divn. Of Eastern Railway.) Construction of New Bridge No. 144A along the new alignment (6x25.60 M Composite Girder) Preparation of all design calculations & working drawings based on geotechnical investigations and hydraulic studies for foundations, substructure and superstructure along with obtaining approval from Railways.
Tantia Constructions Limited ROB No. –26 Tilaiya Bridge Construction of Super-structure of Railway Bridge No. –26 (4x 76.2M MBG spans) at Tilaiya between Koderma and Hazaribagh. Preparation of detailed scheme for erection elaborating stage-wise activities in desired sequence in the form of Drawings along with necessary design calculations for essential components of false work.
Eastern Railway Bridge across river Hatania-Doania Main bridge across river Hatania-Doania including approach viaducts in between Namkhana and Chandranagar of Sealdah Division. Topography and Hydrographic survey, Soil investigation work and preparation of design and drawings for foundation & substructure of main bridge across river Hatania-Doania including viaduct structure on both approaches.
New Town Construction Circle Housing Directorate Flyover along Canal Bank Road (North of Bagjola) across Main Arterial Road at New Town, Kolkata Construction of Flyover along Canal Bank Road (North of Bagjola) across Main Arterial Road at New Town, Kolkata (consisting of a 50M. Bow String Girder Truss, composite beam viaduct & RE wall approaches. Proof checking of detailed design calculations of Structural Steel Bow String Girder Main Span and Structural Steel-Concrete composite girder viaduct span superstructure including substructure and pile foundation.
IRCON International Limited Rail cum road bridge across river Ganga at Patna Steel superstructure of rail cum road bridge across river Ganga at Patna Proof checking of fabrication drawings for superstructure.
Hindustan Construction Co. Ltd. Flyover from Park Circus to EM Bypass near Parama Island for KMDA Construction of approx. 4.5 km long Elevated Corridor from Park Circus to EM Bypass near Parama Island on Turnkey Basis Preparation of structural analysis, design and drawings for superstructure composite steel girders, RC deck slab, steel piers & suitable piled foundation system
GPT Infraprojects Limited Gandhi Suspension Bridge near Yingkiong in Arunachal Pradesh Detailing Scheme of Erection for Gandhi Suspension Bridge for APPWD near Yingkiong in Arunachal Pradesh Preparation of schematic drawing for different stages of erection, detailing arrangement for erection of Towers & Saddle, main cables, suspenders & wind cables, anchor beams, splay blocks etc.
ABCI Infrastructures Pvt. Ltd. Dismantling of MGML girders & erection of new welded MBG girders Dismantling of 61M MGML girders & erection of new 61M welded MBG girders Detail Engineering for dismantling and erection scheme involving preparation of drawings for extension piece, link member, link bracing, link post, link pin, buffer slab & vertical bearing slab, hanger plate & hanging device etc.
GPT – SMC (JV) Jetty and Raw Water pumpimg Station at MA-er Ghat Baghbazar Construction of Jetty and Raw Water pumpimg Station at MA-er Ghat Baghbazar Preparation of design calculation, general arrangement & detailed drawings for civil & structural work for jetty, diaphragm wall and pump house including electrical drawings
D. K. Engineering & Construction Pvt. Ltd. Steel Arch Bridge over river Yamne at Reglat (Bysang) Motorable Steel Arch Bridge over river Yamne at Reglat (Bysang) span – 90M Preparation of detailed & design of superstructure, substructure & foundation, structural general arrangement, fabrication drawings and erection scheme drawings
South Eastern Railway Major Bridges / ROBs (proper), upto Howrah Major Bridges / ROBs (proper) under the jurisdiction of Dy.CE/Con/KGP up to Howrah

Execution of soil investigation, detailed design & detailed drawings

Investigation & Planning Circle, Rishikesh, Dehradun DPR for construction of heavy motor bridge across river Bhagirathi at Chinyalisaur Preparation of DPR for construction of heavy motor bridge across river Bhagirathi at Chinyalisaur, Dist.-Uttarkashi, over Tehri Dam Reservoir. Carrying out geological & geotechnical investigation including slope stability analysis, determination of soil & soil rock properties, topographical survey of bridge site, methodology for construction, designing & analysis as per relevant standards & codes
Consolidated Construction Consortium Ltd. Erection of PSC girder for Viaduct spans between Noapara to Dakshineswar Design of launching systems for erection of PSC girder for Viaduct spans between Noapara to Dakshineswar Preparation and detailing of erection scheme for PSC girders using gantry arrangement with under slung trolley
Hindustan Construction Co. Ltd. Bridge over Feeder Canal – Restoration Work Restoration Work for the damaged deck panel of 77M span Road Bridge over Feeder Canal at Farakka

Detailing of scheme for immediate restoration work & local re-casting of deck slab

Rail Vikas Nigam Limited Dum Dum Junction Flyover Preliminary Design of the Dum Dum Junction Flyover Preliminary Engineering Design of the Dum Dum Junction Flyover to improve Passage of Goods and Mail / Express Trains including submission and acceptance of preliminary engineering report, submission and acceptance of tentative BOQ & Estimate
GPT Infraprojects Limited Erection work of Bhagirathi Bridge in Nabadwip Ghat to Nabadwip Dham Project Erection Work of 103m Span for Superstructure of Bhagirathi Bridge (5 x 103.5m + 2 x 31.26m) in Nabadwip Ghat to Nabadwip Dham Project Preparation of scheme for erection of anchor and cantilever spans, including design and drawings of trestle and foundation required for erection of anchor spans, checking of stresses on anchor and cantilever spans during cantilever erection etc.
P.W.D., Arunachal Pradesh Construction of Arch Bridge over river Siyam near Along, Aalo Division Construction of 120m Span Steel Arch Bridge over river Siyam near Aalong, Aalo Division Preparation of General Arrangement Drawing and preliminary BOQ, design and drawings for substructure and foundation, design and structural GAD for superstructure
L & T Construction Raw Water Pump House for KMC Garden Reach water Supply Project Raw Water Pump House and Annex Building for 110MGD Raw Water Pump House for KMC Garden Reach water Supply Project Detail civil and structural design and drawings of Guide wall, Diaphragm wall, permanent strutting, Raw Water Pump House and Annex Building, structure-wise BOQ
Eastern Railway Br. No. 1 at Dum Dum Junction end of Sealdah Yard Dismantling scheme for Br. No. 1 at Dum Dum Junction end of Sealdah Yard Preparation of detail drawings of dismantling sequence supported with design calculation of the integrated steel trusses over four tracks of Br. No.1
P.W.D., Arunachal Pradesh Construction of Motorable Steel Arch Bridge over river Yamne at Parak Construction of 90m Span Motorable Steel Arch Bridge over river Yamne at Parak under Mariyang Division Preparation of General Arrangement Drawing and preliminary BOQ, design and drawings for substructure and foundation, design and structural GAD for superstructure
RITES Steel Foot over Bridge at Babughat in Kolkata Construction of 99m span (approx.) Steel Foot over Bridge including well foundation at Babughat of KMC in Kolkata Preparation of detail structural design and working drawings for (a) well foundation (OD of well 5.0m approx.) (b) Steel Foot over Bridge (single span approx.  99m span
TANTIA – PREMCO (JV) Major bridge no. 64 between Harwa Road and Champapukur & bridge no. 66A between Sondalia and Champapukur Major bridge no. 64 (1x30.5m) between Harwa Road and Champapukur & bridge no. 66A (1x45.7m) between Sondalia and Champapukur Preparation of detail launching scheme and design & drawings of falsework pertaining to erection scheme
Eastern Railway Construction of ROBs in lieu of LC Nos. 27/A/T & 28/A/T over NH-25 near Habra Railway Station Construction of ROBs having approx. span 110m & 130m length along with subway in lieu of LC Nos. 27/A/T & 28/A/T over NH-25 near Habra Railway Station Soil exploration and detail design including foundation and substructure, preparation of GAD and other all detail structural, fabrication, erection drawings etc.

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