Bridge jacking and replacement of bearings
Read moreHydraulic jacking of both abutments was performed by our team, at a highway box girder bridge in Greece. Four (4) sliding guided elastomeric bearings were replaced in total, while the jacking load reached 3000 kN at each location. Also, non-replaceable exposed metal parts were repainted to prevent corrosion and the sliding surfaces were preserved accordingly.
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Overnight bridge inspection
Read moreHiSCS’s engineers performed an overnight bridge inspection to assess and evaluate the condition of an old and overused reinforced concrete bridge located at a very busy highway junction. The overpass is consisted of two 42m long parallel brunches, with two intermediate spans each.
External in-service inspection of crude oil tanks in KSA
Read moreHiSCS Inspectors accomplished successfully the external inspection, while in service, of three (3) crude oil storage tanks located in a desalination plant in the province of Jazan in the Kingdom of Saudi Arabia. The inspection was in line with the American Petroleum Institute (API) 653 Standard “Tank Inspection, Repair, Alteration & Reconstruction” with a scope to establish the corrosion rates,…
Rehabilitation of elastomeric bearings
Read moreHiSCS S.A. performed maintenance works aiming to rehabilitate the load path mechanisms of an old reinforced concrete bridge. Poor construction techniques lead to the formation of gaps between the elastomeric bearing’s steel plates and the upper/lower plinth compromising the proper distribution of forces between the deck and the piers. Also, oxidation was detected on the bearing’s steel plates. Since there…
Seismic base-Isolation of private building
Read moreEngineers of HiSCS performed the supervision of installation works of anti-seismic Lead Rubber Bearings (LRB) of a private building located in Athens Greece. In total twenty (20) LRB bearings have been installed following a methodology which has been designed by HiSCS so as to assure the prompt installation of these devices in line with the construction requirements and the building…
Replacement of bridge elastomeric expansion joints, west of Athens, Greece.
Read moreBridge maintenance works executed by HiSCS S.A. At this project, 4 meters of bridge expansion joint were replaced in total, by request of the operator, having a total movement capacity of ±50mm in longitudinal and ±50mm in transverse direction. Visit our youtube channel to see more!
Workshop on Concrete Science & Advanced Methods for Evaluation of Concrete.
Read moreHiSCS engineers attended the Educational Workshop dedicated to Concrete Science & Advanced Methods for Evaluation of Concrete, held by Germann Instruments and Geotest SA between 20 & 22 of November in Athens, Greece. During this workshop, we had the opportunity to enhance our understanding of basic concrete science and traditional and advanced methods for evaluation of concrete and concrete structures.…
Inspection of Seismic Dampers
Read moreInspection of 50 seismic dampers located in steel roof of Main Terminal Building of Athens International Airport performed by HiSCS. Dampers are devices (similar to steel pistons) which can absorb – through their hydraulic behavior – the kinetic energy produced by the movement of the structure during an earthquake. They follow the constitutive law FD = C · vα…
Bearings Replacement & Repair – Jacking & Lifting of Superstructures
Read moreThe maintenance and repair/replacement works of bridge bearings in several structures in Athens Ring Road/Greece is under progress. Repair of bearing plinths, restoration of cracked and damaged elastomeric rubber using the cold vulcanization process, touch-up painting of rusted anchoring steel plates and grout filling of the gap between bearings contact surfaces with the structure are taking place. These specialized rehabilitation…
Elastomeric Bearings Inspection
Read moreA thorough bearing inspection was performed by HiSCS’s staff in order to assess their capacity and the structure’s overall condition. The inspection took place at two bridges, located in central Greece, built about thirty years ago. The first one had a total length of about 90 meters with four intermediate spans, while the second had a total length of 45…
Installation of Elastomeric Expansion Joints in Newly Constructed Bridges
Read moreHiSCS S.A. has completed the installation of new bridge expansion joints in two new bridges in central Greece. The project was consisted of the application of 40 meters of elastomeric expansion joints in total, having up to 250mm movement capacity.
Jacking & Lifting of Bridge for Bearings Urgent Repair Works
Read moreThe remedial works executed by HiSCS did restore temporarily the contact areas of elastomeric bearings of an over 40 years old bridge, over Kallas river close to the city of Istiea at Evia island in Greece. During “Zorbas” cyclone, severe scour phenomena took place causing side tilting of one pier at about 8 cm. The superstructure (box girder) lost its…
Safety Training
Read moreHiSCS staff has participated in the safety training seminar related with First Aid in Work-Emergencies performed by Rescue Training Int’l certified instructors. The first aid course followed the rescue protocols implemented by health care professionals. The course fully met the latest Int’l scientific publications on cardiopulmonary resuscitation and also includes all valid practices to provide first aid to adults children…
Repair of Expansion joints at Aircraft Bridge in Athens Int’l Airport
Read moreHiSCS has successfully concluded the repair or expansion joints of the aircraft bridge No. 116 located in New Athens Int’l Airport, Elefterios Venizelos. The repair/maintenance works restored the drainage capacity of the flashing, the cracked transition stripes and elliptical holes of the rubber carpets. All works accomplished in 5 days in line with the relevant NOTAM issued by…
Inspection of Railway Culvert, Kingdom of Saudi Arabia
Read moreInspection & evaluation of an old culvert in Hofuf-Dammam railway, in the Kingdom of Saudi Arabia has been performed by our Inspectors. A pilot inspection and evaluation regarding the actual condition of the culvert has been requested by Saudi Railways Organization (SRO) so as to verify the structural adequacy of the structure in line with the need of higher locomotive…
Inspection of Car Parking Building, King Fahad Int’l Airport, Riyadh, Kindom of Saudi Arabia
Read moreInspection of car parking facilities in King Fahad Int’l Airport in Riyadh, Kingdom of Saudi Arabia has been performed by our staff so as to verify the structural efficiency of the roof slab and propose remedial actions for the improvement of storm drain piping network.
Underwater Inspection, Kingdom of Saudi Arabia
Read moreHiSCS successfully accomplished in November 2018 a very demanding underwater inspection in Al-Shuqaiq Power Plant & Desalination facilities in Jizan province, Kingdom of Saudi Arabia. The Technical Authority of Al Shuqaiq Saline Water Conversion Company (SqWEC) assigned our staff to identify the current defects in the structure (inside and outside) by performing underwater inspection, non destructive testing (NDT) including…
Jacking, Lifting and Installation of Friction Pendulum Bearings at the “SIX Student Residence” in Nicosia, Cyprus.
Read moreHiSCS S.A. participated in the construction of the “SIX Student Residence” in Nicosia, Cyprus. The 12-strorey “SIX Student Residence” is comprised of 6 distinctive towers, which include 307 luxury student residences and is topped-off by the exclusive UNIC Clubhouse, a jewel-like, all-glass 12th floor rooftop with restaurant, lounge and pool Our company’s involvement at this project was related to the…
Inspection of Aircraft Bridge, King Fahad Int’l Airport, Riyadh, Kingdom of Saudi Arabia
Read moreInspection including NDT has been performed in East taxiway aircraft bridge (Tango) in King Fahad Int’l Airport in Riyadh, the biggest airport in the world in land area. A relevant report has been delivered to Riyadh Airports Technical Authority along with an inspection draft handbook describing the policies, standards and procedures for conducting an inspection program in all infrastructure, civil…
PT in Pylons of Football Stadium, Athens, Greece
Read moreA unique PT application in a football stadium in Greece is performed by HiSCS. The four (4) concrete pylons where the steel roof of the stadium will be suspended, consists of 256 PT bars in total (64 per pylon) with bar length ranging from 32m to 48m. The design requires a four elevation stages stressing per pylon and a quite…
Athens Int’l Airport, Greece
Read moreFollowing the routing inspection schedule of New Athens International Airport, the aircraft and road bridges complex has been inspected by our staff. Concrete, bearings, expansion joints, pavements, utilities and other structural elements were evaluated including recommendation for repair and rehabilitation.
Inspection of Underpasses in Riyadh
Read moreMunicipality of Riyadh has appointed our Inspection team to perform a thorough inspection in all structural elements (bearings, joints, retaining walls, pavement etc.), NDT & evaluation in four (4) underpasses U6-U14-U15-U16 in the city of Riyadh, Kingdom of Saudi Arabia. . A full series of NDT has been performed such as Cut And Pull Out test (CAPO), Schmidt hammer,…
LMK Post Tensioning System Participated at the 2018 IABSE Spring Conference in Kuala Lumpur, Malaysia with Title “Engineering the Developing World” Between 25 & 27 of April 2018.
Read moreHiSCS Engineers performed a presentation in which the advantages of Post Tensioning were highlighted through one of our recent projects, under the title: Design & Post Tensioning Application of Cement Silos.
Installation of Ducts and Tendons
Read moreThe progress of, the new 27,5Km road between Saad Al Abdallah to Bohaith gate and the new 40Km road between Mina Abdullah City and Wafra, is evident! LMK PT specialists and technicians are working on the installation of ducts and tendons. Saad Al Abdallah to Bohaith gate Mina Abdullah City to Wafra
