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Lines Hydropower Substations Other
Lines > 400 kV - 400 kV - 220/300 kV - 110/132 kV - 63/90 kV
date projet pays client
Generic reinforcement kit (wind + anticascading) for A2TB3 and C3 towers. France GIMR RAA
Upgrading studies. OHTL 225kV Flers-Laval France GIMR O
3 Tower types modeling consequently to the moved position of central conductor phase. OHTL 225kV Fléac-Le Marquis France GIMR O
Refurbishment and upgrading studies. OHTL 225kV Gavrelle – Vendin 1 – 9.8 km France GIMR NE
Specific reinforcement kit. OHTL 225kV Holque – Warrande France GIMR NE
4 towers’ site survey and modeling. OHTL 225kV Cordemais – Guersac et Cordemais – St Joseph France GIMR O
PLS-Cadd modeling. OHTL 225kV St Hubert – Vigy – Basse Ham – 9.4 km France GIMR NE
Upgrading studies. OHTL 225kV Anould – Logelbach – Lac Noir – 22 km France GIMR E
Specific reinforcement kits for tower types G4ND4 – G4ND3 – G4AD3 – C4TC OHTL. OHTL 225kV Les Attaques – Echinghen France GIMR NE
Tower modeling (# 3-4-5-6) and reinforcement kit design for tower #203. OHTLs 225kV Courrières – Vendin and Clochette – Dechy France GIMR NE
Tower reinforcement kit design. OHTL 225kV Flers-Laval France GIMR O
Specific reinforcement kit design for tower #10 C1SC1_AD_X . OHTL 225kV Gros Caillou – Mastaing 1 France GIMR NE
Upgrading studies level 1. OHTL 225kV Boisse – St Vulbas Est – 21 km, 46 towers France GIMR RAA
Upgrading studies. OHTL 2x225kV Carrières – Moru – 28 km, 62 towers France GIMR NP
PLS – Cadd modeling. OHTL 225kV Beaucouzé – La Corbière France GIMR O
Upgrading and uprating studies. OHTL 225kV Sisteron – St Auban Z Salignac – 50 km, 67 towers France GIMR SE
Earthwire replacement and upgrading studies. OHTL 225kV Cergy – Cormeilles – Herblay 1&2 France GIMR NP
C9L Tower modeling – Tower made in aluminum. OHTL 225kV Theix – Z Prinquiau France GIMR O
PLS-Cadd modeling and specific towers’ cross arms modeling (F1SU1 & GITIS2). OHTL 225kV Havre – Pont VII – 37 km, 88 towers France GIMR NP
Reinforcement kits design. OHTL 2x225kV Cergy – Cormeilles – Herblay 1& 2 France GIMR NP
Avron substation connection studies – Design of an aero-underground platform and additional crossarms on an existing 225kV tower France GIMR NP
PLS-Cadd modeling. OHTL 225kV Guersac-Saint Nazaire France GIMR O
Upgrading studies level 1. OHTL 225kV Bayet – Volvic – 46.4 km, 184 towers France GIMR RAA
Towers modeling. OHTL 225kV Boisse – Mions and Boisse – Génissiat France GIMR RAA
PLS-Cadd modeling. OHTL 225kV Domloup – Z Kerlan / Cheviré – Z Kerlan – 106 towers France GIMR O
Modification studies of a part of an existing OHTL for private client “SEBL”. OHTL 225kV St Hubert – Vigy – Basse Ham France GIMR E
Complete studies for modification of a part of an existing OHTL to allow industrial factories construction. OHTL 225kV Châteauneuf – Tricastin France GIMR SE
PLS-Cadd modeling and feasibility studies for conductor cables replacement. OHTL 225kV Fléac – Niort France GIMR O
Upgrading studies to secure important crossings. OHTL 225kV Givors – Mions – Vénissieux 2 – 9.7 km, 32 towers France GIMR RAA
Study of installation of optic fiber on several OHTL between Nourottes and Porcheville substations – Upgrading and ground clearances studies on OHTL 225kV Mézerolles – Nourottes – 26 towers France GIMR NP
OPGW installation studies. OHTL 225kV Le Havre – Pont 7 France GIMR NP
Preliminary upgrading studies. OHTL 225kV Mions – Mouche 2 – 13,689 km France GIMR RAA
Upgrading studies . OHTL 225kV Albertville – Ugine – 10,656 km France GIMR RAA
Upgrading studies level 1. OHTL 225kV Chancenay – Revigny France GIMR E
Upgrading studies level 1. OHTL 225kV Pont VII – Saineville France GIMR NP
Diagnosis study. OHTL 225kV Cheviré – Vertou France GIMR O
Studies for conductor cables replacement, earthwire installation and towers modeling. OHTL 225kV Champagnier – Cordéac – Les Sables France GIMR RAA
Upgrading studies level 1. OHTL 225kV Champagnier – Pariset France GIMR RAA
Bill of quantities for supplying (towers, cables, fittings, accessories ...). OHTL 225kV Givors – Mions – Venissieux 2 France GIMR RAA
Reinforcement kits design. OHTL 225kV Anould – Logelbach – Lacs Noirs France GIMR E
Towers modeling. OHTLs 225kV Dambron – Villejust – Z Les Carrés 1&2 France GIMR NP
Upgrading studies level 1. OHTL 225kV Avron – Plaisance – Villevaudée 1 France GIMR NP
Diagnosis study and towers modeling. OHTL 225kV Rueyres – Savignac France GIMR RAA
Upgrading studies for anti cascading and reinforcement kits design. OHTLs 225kV Avignon – Châteaurenard, Boudeyre – Montpezat, Boudeyre – Châteauneuf du Rhône France GIMR SE
Setting up of a new tower (9 crossarms) for connection to a new substation. OHTL 225kV Froncles – Vincey France GIMR E
Upgrading studies level 1. OHTL 225kV Garchizy – Ghien – Tabarderie France GIMR E
Upgrading studies and reinforcement kit design. OHTL 225kV Le Breuil – Henri Paul France GIMR E
Study of installation of optic fiber.OHTL 225kV Serein – Tonnerre France GIMR E
Upgrading studies. OHTL 225kV Bayet – Séminaire France GIMR RAA
Upgrading studies.OHTL 225kV La Boisse – Meyzieu - Mions France GIMR RAA
Upgrading studies. OHTL 225kV Enval – Issoire France GIMR RAA
Upgrading studies. OHTL 225kV Champagnole - Génissiat France GIMR RAA
Upgrading studies. OHTL 225kV Balma – Verfeil France GIMR SO
Upgrading studies. OHTL 225kV Maureix – Peyrat France GIMR SO
Upgrading studies to secure important crossings and ground clearances studies.OHTL 225kV Gourjade – Verfeil France GIMR SO
General assessment. OHTL 225kV Aubusson – La Mole – 69km, 226 towers France GIMR SO
Upgrading studies and reinforcement kits design .Lot of 6 OHTL 225kV – 103km, 219 towers France GIMR SE
Upgrading studies level 1to secure important crossings .Lot of 11 OHTL 225kV – 673km France GIMR NP
Upgrading studies level 1. Lot of 3 OHTL 225kV France GIMR NE
Upgrading studies, towers site survey and modeling, reinforcement kits design and specific studies for additional cable connection. OHTLs 225kV Galères – Plaisance – Villevaudé & Avron - Plaisance – Villevaudé 28km, 86 towers France GIMR NP
Upgrading studies, towers site survey and modeling, reinforcement kits design. OHTL 225kV Champvans - Pymont France GIMR E
Setting up of a new tower (9 crossarms) for connection to a new substation. OHTL 225kV Montahut – St Victor France GIMR SO
Setting up of a new tower to allow new PV powerplant connection to the grid OHTL 225kV Curbans – Sisteron France GIMR SE
Upgrading studies and reinforcement kits design.OHTL 225kV Passy – Pressy – 26km, 66 towers France GIMR RAA
Upgrading studies and reinforcement kits design. Lot of 4 OHTLs 225kV France GIMR SE
General assessment. OHTL 225kV Beauregard – Terres Noires – 48km, 145 towers France GIMR O
Update of PLS-Cadd modeling consequently to topographical survey.OHTL 225kV Cheviré – Z Kerlan – 8.7km, 20 towers France GIMR O
Study of installation of optic fiber and upgrading studies for important crossing secure. OHTLs 225kV Aube – Barquet and Barquet - Boscherville – 51km, 158 towers France GIMR NP
2008-2009 Detailed technical studies - Montahut - Piquage Mounes - St Victor line France RTE - GIMR SO
2008-2009 Detailed technical studies - Gourjade-Verfeil line France RTE - GIMR SO
2008-2009 Mechanical strengthening - Maureix-Peyrat line France RTE - GIMR SO
2008 Detailed technical studies - Balma-Verfeil line France RTE - GIMR SO
2008-2009 Towers modelling - Dambron-Villejust Z les Carrés 1 & 2 line France RTE - GIMR NP
2008 Topographical studies and towers modelling (Pls cadd data processing) - Dambron-Villejust Z Les Carrés 1 & 2 line France RTE - GIMR NP
2008-2009 Towers modelling - Dambron-Villejust Z les Carrés 1 & 2 line France RTE - GIMR NP
2008-2009 Strengthening studies (Pls Cadd data) - Avron-Plaisance-Villevaudé 1 et Evreux-St Pierre de Bailleul Z Croix St Leufroy lines France RTE - GIMR NP
2007 Technical studies - optical fiber stringing studies Le Havre-Pont Sept 1 & 2 line France RTE - GIMR O
2008 Strengthening studies - Bonneau-Valdivienne line - generic kit studies France RTE - GIMR O
2008 Strengthening studies - Granzay-St Florent line France RTE - GIMR O
2008 Reinforcing studies - Domloup-Z Kerlan France RTE - GIMR O
2008 Rehabilitation studies - Cheviré-St Joseph (Loire Est) France RTE - GIMR O
2007-2008 Reinforcing generic kit - Les Quintes-Sy Calais France RTE - GIMR O
2006-2006 Technical studies - SM7 - Cholet-Niort France RTE - GIMR O
2006 Preliminary design (route selection and survey work) and environnemental assessment of four 220 kV transmission lines from Hengill area - Guyed abd self supporting towers. Iceland (west) LANDSNET - Islande
2005 Towers modelling - Line Boisse-Mions & Boisse-Génissiat France RTE - GIMR RAA
2005 Topographical studies - Eguzon-Beauregard Line France RTE - GIMR O
2005 Tower modelling - Albertville-Chavanod Line France RTE - GIMR RAA
2005 Tower modelling - Givors-Mions Line France RTE - GIMR RAA
2005 Replacing studies - tower n°54 - Cordemais-St Joseph Line France RTE - GIMR O
2005 Pls Cadd data processing - Mitry-Mory-Villevaudé & Sausset-Villevaudé Lines - 20 km - 44 towers France RTE - GIMR NP
2005 Tower & Pls Cadd Modelling - Q23 R2-R1-W-X levels France RTE - GIMR NP
2005 Strengthening studies - Flers-Laval Line France RTE - GIMR O
2006 Strengthening studies Gavrelle-Vendin 1 Line France RTE - GIMR NE
2006 Tower modelling - Belle Epine-Rance Line France RTE - GIMR O
2006 Pls Cadd data processing & calculation of new conductors - Fleac-Niort Line France RTE - GIMR O
2006 Towers modelling - 225 kV Eguzon-Beauregard France RTE - GIMR O
2006 Towers modelling - 225 kV Albertville-Chavanod line - 35?5 KM France RTE - GIMR RAA
2006 Reinforcing kits design for TEMAC towers - 225 kV Eguzon-Beauregard line France RTE - GIMR O
2004 Gavrelle-Vendin 1 225 kV line - Towers modelling France RTE – GIMR NE.
2004 Reinforcing kit for N47SP_X tower - 225 kV Gros-Caillou-Trith-St Leger line France RTE – GIMR NE
2003 Reinforcing kit for 225 kV C1SC towers France RTE - GIMRO
2003 Porcheville-Puiseux, Cergy-Porcheville & Champagne-Plessis Gasso 225 kV lines (73 km) - 167 towers - General expertise France RTE - GIMRNP
2003 Le Broc Carros-La Trinité Victor 225 kV line (14 km) - Strengthening studies France RTE – GIMRSE
2002 Volvic-Ancizes 225 kV line - France RTE - GIMRRAA.
2002 Urridafoss - Preliminary design of a 220 kV line with PLS-CADD - Environmental impact studies Iceland Landsvirkjun
2001 Sultartangalina 4 line (200 km) - Preliminary design Iceland Landsvirkjun
2001 Double and simple circuit line (1100 km) - Design of towers Syria Al-Jazera
2001 Vatnsfelsslina line (5 km) - Design of 3 types of tower Iceland Donetsk Power Transmission Tower Plant
2000 Kroflulina 3 line (120 km) - Enironmental impact studies - Topographical studies and preliminary design Iceland Landsvirkjun
1999 Ferkessedougou – Bobo Dioulasso line(72 km) - Investigation of tower failures in 225 kV transmission line Ivory Coast Sopie
1999 Preliminary design of towers and foundations Costa Rica Energomachexport Russie
1998 Emergency plan and design of towers for restoration of 220 kV lines Iceland Landsvirkjun
1997 Interconnection Tunisia-Lybia (600 km) - Preliminary design of foundations Tunisia-Lybia Transel
1997 Spencer-Witkop line (110 km) - Preliminary design of foundations South Africa Transel
1995 Fljotsdalslina line (120 km) - Environmental impact assessment report Iceland Landsvirkjun
1995 Hvalfjardarjlina line - General expertise of foundations Iceland Landsvirkjun
1995 Rod-Heroya line (22 km) - Report on condition of steel towers and foundations Norway Statnett
1994 Wang Noi-Ranquist line - Design of long-pile foundations Thailand Betonmast
1993-1994 Burfellslina 1 and Sogslina 3 line - Reinforcement of self-supporting towers Iceland Landsvirkjun
1990-1991 Burfellslina 3B line (24 km) - Design of transmission line in Southwest Iceland - Suspension masts are of portal type and the tension masts are guyed columns Iceland Landsvirkjun
Headline
HECLA is confirmed as certified ISO 9001-2008
The accredited certifier organism Bureau Veritas Certification France has again certified again on September, 9th, 2011 Quality Management System of HECLA being estimated and considered corresponding to the requirements of the standard NF ISO 9001 : 2008 in the field of Engineering in Electrical Power Transmission.
See all the pictures of the Hecla team on Hekla on september 2006
More news
31.01.2012
HECLA and art
After the French festival in Iceland in 2007 and the purchases of original works of French artists in the field of photography, painting and ceramic, HECLA has chosen and decided to support the foundation created by Ateliers d’Art de France.

18.11.2011
HECLA in Morocco
Having fulfilled the conditions required by the Moroccan Electric System Operator - ONE, this one notified by a mail on October 14th, 2011 the qualification of HECLA to intervene in Morocco in the field of transmission lines studies.

06.09.2011
HECLA is certified OPQIBI
Our engineering saw awarding on August 1st, 2011 the certification OPQIBI n° 11 08 2322 for the qualifications concerning the studies of the current metallic structures and the studies of VHV networks.

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