Construction work supervision and consulting

Construction engineers of Firma L4 have participated in supervision of various local and international objects of technical complexity and significance, the majority of which was realized in cooperation with the best home and international experts in compliance with FIDIC agreement requirements.

Our construction engineers possess corresponding qualification and great experience in management and supervision of civic, hydrotechnical, industrial, and infrastructure object construction.

Firma L4 construction engineers offer clients the following services:

management of construction projects of all types,
supervision of construction works of buildings,
supervision of dismounting works,
construction supervision of water supply and sewerage networks,
supervision of construction works of wastewater treatment plants,
supervision of construction works of iron removal plants,
construction supervision of bore holes,
supervision of construction works of wastewater pumping stations,
supervision of reconstruction works of water towers,
supervision of other types of construction works in compliance with Latvian Construction Standard (LBN).

Latvenergo, AS
- Supervision of construction works and of mounting technological facilities under project “Construction of additional water heating plant at TEC-1” (2010.)
- Project management and technical supervision services for project “Rehabilitation of upper pool slope protection at Riga HPP from PK146+51 till PK139+01, i.e., 750 m” (2008.)
- Project management and technical supervision services for project “Rehabilitation of concrete surfaces of the 9^th and 10^th supports of Ķegums HPP water spillway” (2006.)
- Supervision of reconstruction of production unit TEC-1 at Riga TPS, including construction of a new power unit, electric facilities, control premises, water treatment facilities and a workroom, wastewater treatment plant, tanks for diesel, for water for heating mains, fire-fighting and demineralisation, in compliance with FIDIC Silver Book Contract (2003.-2005.)
Aizkraukles ūdens, SIA
- Construction supervision of designing and construction processes under project “Rehabilitation and extension of water supply and sewerage networks in Aizkraukle” (2010.)
Liepa rural municipality
- Construction supervision of designing and construction processes under project “Designing for rehabilitation and construction of iron removal plant and drinking water source in Liepa” (2010.)
- Supervision of construction contracts and project management in compliance with FIDIC Red Book Contract under project “Rehabilitation and extension of water supply and sewerage networks in Liepa” (FIDIC Engineer) (2008. - 2009.)
Limbaži town council
- Construction supervision of renovation works under project “Construction supervision during renovation of preschool educational establishments in Limbaži” (2009.)
Jelgava county council
- Construction supervision of reconstruction works under project “Construction supervision of improvement of the atrium of Jelgava Trinity church tower” (2009.)
Olaine rural municipality
- Construction supervision of reconstruction works at preschool educational establishment “Magonīte” in Olaine (2009. - 2010.)
“Grobiņas siltums”, SIA
- Supervision of construction works and Engineer’s services in compliance with FIDIC Red Book Contract under project “Development of water services in 14 towns of Kurzeme region – Grobiņa” (FIDIC Engineer) (2009. - 2010.)
Jaunpiebalga rural municipality
- Construction supervision and project management in compliance with FIDIC Yellow Book Contract under project “Designing for rehabilitation and construction of iron removal plant and of drinking water source in Jaupiebalga” (FIDIC Engineer) (2008. - 2010.)
- Construction supervision and project management in compliance with FIDIC Red Book Contract under project “Rehabilitation and extension of water supply and sewerage networks in Jaunpiebalga” (FIDIC Engineer) (2008. - 2009.)
Banga KPU, SIA
- Supervision of construction contracts and project management in compliance with FIDIC Yellow Book Contract under project “Construction of iron removal plant in Mazsalaca” (FIDIC Engineer) (2008. - 2010.)
- Supervision of construction contracts and project management in compliance with FIDIC Red Book Contract under project “Rehabilitation and extension of water supply and sewerage networks in Mazsalaca” (FIDIC Engineer) (2008. - 2010.)
Rūjienas Siltums, SIA
- Supervision of construction contracts and project management in compliance with FIDIC Red Book Contract under project “Rehabilitation and extension of water supply and sewerage networks in Rūjiena” (FIDIC Engineer) (2008. - 2010.)
Alojas komunālais dienests, SIA
- Construction supervision and project management in compliance with FIDIC Yellow Book Contract under project “Designing for rehabilitation and construction of iron removal plant and of drinking water source in Aloja and in Ungurpils” (FIDIC Engineer) (2008. - 2010.)
Fortum Power and Heat Oy
- Technical engineering services for the project “Reconstruction of Plavinas HPP aggregates No. 4, 5, and 7” (2006. - 2010.)
Ministry of the Environment of the Republic of Latvia
- Project management for designing and construction works in compliance with FIDIC Yellow Book Contract under construction contract “Construction of water sources, water treatment plant, connection to water pipeline in Jaunolaine” (2007. - 2008.)
- Supervision of construction contracts and project management in compliance with FIDIC Red Book Contract under project “Reconstruction of water supply and sewerage networks in Jaunolaine” (FIDIC Engineer) (2006. - 2008.)
- Supervision of construction contracts and project management in compliance with FIDIC Red Book Contract under project “Reconstruction of water supply and sewerage networks in Olaine” (FIDIC Engineer) (2007. - 2008.)
- Technical supervision of three works contracts and assistance in project administration under the EU co-financed project “Development of water services in Rezekne, Latvia” (2004. - 2008.)
Zeiferti, SIA
- Construction supervision under project “Construction of wastewater treatment plant in Jaunolaine” (2008. - 2009.)
Olaines ūdens un siltums, AS
- Supervision of construction of wastewater treatment plant and of reconstruction of wastewater pumping stations in Olaine (2006. - 2009.)
Slimnīca “Ģintermuiža”, VSIA
- Supervision of reconstruction of hospital “Ģintermuiža” at Filozofu street 69 in Jelgava, stage 1. Supervision of reconstruction of buildings and of construction of communications (2008. - 2009.)
Viesnīca Latvija, AS
- Testing of efficiency of ventilation and cooling systems at hotel "Latvija" (2007.)
WESS, AS
- Supervision of subsoil enhancement works and preparation of the construction site, and of construction of the buildings and engineering communications for Toyota centre at Rīga–Sigulda road 2 in Garkalne (2006. - 2008.)
Riga Council, Property department
- Project management and supervision of reconstruction of the building of Riga Secondary School No.33 at Stūrmaņu street 19 in Riga, stage 2 and 3.
- Supervision of dismounting works of the Juglas lake lock at Brīvības alley in Riga (2005.)
Riga Free Port Authority
- Supervision of construction of pedestrian underpass beneath railway track No. 100 in Daugavgrīva, Riga (2009.)
- Supervision of reconstruction of an office building, with industrial premises, and of demolition of a warehouse at Meldru street 3 in Riga, stage I (2007. - 2008.)
- Project management and supervision of construction of an office building, with industrial premises, at Meldru street 3 in Riga, stage II (construction of a new 4-storey office building with industrial premises) (2008. - 2009.)
Latvijas valsts meži, AS (Latvia’s State Forests)
- Supervision of construction of ventilation and cooling systems for the premises of Smiltene department (2007.)
Latvijas Gāze, AS
- Supervision of construction and mounting works of reconstruction of compressor station No. 1 at Inčukalns underground gas storage, stage 1 (2005. - 2006.)