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“Engineering – design, implementation of construction and construction works and exercising author’s supervision for the site: “Implementation of an annex (elevator), reconstruction and overhaul for the introduction of energy efficiency measures for the building of 67 primary school “Vasil Drumev” in UPI I – for school, 31 m2 “NPZ Sredets”, land property with ID 68134.305.123, building with ID 68134.305.123.1, PROD.
„Инженеринг – проектиране, изпълнение на СМР и упражняване на авторски надзор за обект: „Изпълнение на пристройка (асансьор), преустройство и основен ремонт за въвеждане на мерки за енергийна ефективност на сградата на 67 ОУ „Васил Друмев“ в УПИ I – за училище, кв. 31, м. „НПЗ Средец“, поземлен имот с идент. 68134.305.123, сграда с идентификатор 68134.305.123.1, ПРОД. в Раздел Цел-Доп.информация — original title
Your path to submission
- Deadline: 5 November at 23:59 — 5 days left.
- The submission point is stated in the notice (link on this page).
- Offer and evidence in: Bulgarian.
- Collect your evidence — use the eligibility analysis on this page: it lists the requirements and, for known certificates, how to get them.
What the buyer is looking for
The subject of this contract is “Engineering – design, execution of construction works and exercising author’s supervision for a site: “Implementation of an annex (elevator), redevelopment and overhaul for the introduction of energy efficiency measures for the building of 67 primary school “Vasil Drumev” in UPI I – for school, kv. 31, Sredets NPZ, land with ID 68134.305.123, building with ID 68134.305.123.1, with administrative address: The main objective of the contract is to increase the energy consumption class of the building subject to intervention by achieving energy consumption class B, thermal comfort and higher quality of the living environment through the implementation of the activities envisaged under the project. Specific objectives: - Improving the energy performance of a building by implementing highly efficient energy measures; - Improvement of the indoor microclimate,…
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… thermal comfort and operating conditions; - Improving the performance to extend the life cycle of the building; - Reduction of energy consumption costs. According to the prepared energy audit report and energy performance certificate of the building, the following measures should be envisaged in the project: Energy saving measure B1: Thermal insulation of external walls; Energy saving measure B2: Replacement of external joinery; Energy saving measure B3: Thermal insulation of the roof; Energy saving measure B4: Thermal insulation of floor; Energy saving measure C1: Energy-saving measure for replacement of radiators and pipe wiring; Energy saving measure C2: Measures on lighting systems. The subject-matter of the contract includes the following activities: Stage I: Design - Preparation of an investment project in the “working project” phase, in accordance with Ordinance No 4 of 21.05.2001 on the scope and content of investment projects, the Spatial Development Act and the by-laws on its implementation on construction: “Implementation of an annex (elevator), redevelopment and overhaul for the introduction of energy efficiency measures for the building of 67 primary school “Vasil Drumev” in UPI I – for school, kv. 31, Sredets NPZ, land with ID 68134.305.123, building with ID 68134.305.123.1, with administrative address: Sofia, Sofia Municipality – Vazrazhdane District, 63 Gyueshevo Street; ETAP II: Construction - Execution of construction and installation works and any other accompanying and related activities necessary for the execution of the construction, in accordance with the regulatory requirements, the requirements of the Contracting Authority of a construction/site: “Implementation of an annex (elevator), redevelopment and overhaul for the introduction of energy efficiency measures for the building of 67 primary school “Vasil Drumev” in UPI I – for school, kv. 31, Sredets NPZ, land with ID 68134.305.123, building with ID 68134.305.123.1, with administrative address: Sofia, Sofia Municipality – Vazrazhdane District, 63 Gyueshevo Street; Stage III: Author's supervision - Exercising author's supervision during the execution of a construction/site: “Implementation of an annex (elevator), redevelopment and overhaul for the introduction of energy efficiency measures for the building of 67 primary school “Vasil Drumev” in UPI I – for school, kv. 31, Sredets NPZ, land with ID 68134.305.123, building with ID 68134.305.123.1, with administrative address: Sofia, Sofia Municipality – “Vazrazhdane” District, 63 “Gyueshevo” Str. The main building of 67 Vasil Drumev Primary School was built in 1935. During the operation of the building, ongoing repairs were carried out, which consisted of replacement of joinery, roof repairs, replacement of flooring, partial repairs of plumbing and other partial repairs to maintain the building stock. The building has not been completely renovated, it is not thermally insulated. The building has a built-up area of 1354,86 sq.m., total built-up area of 4506,30 sq.m. A detailed description of all planned activities is contained in the attached technical documentation.
Contract
Type of service
Clement What the numbers say about this buyer
- In this sector the buyer awards roughly every 2 months (47 awards, most recently August 2026) — by that rhythm the next award was due around October 2026. The last award went to ДАРВИ ЕООД.n = 47
- 50% of this buyer's awards went to companies that had already won here before (91 awards since 2022, spread over 46 companies). That is well below the sector norm (62%) — this buyer switches suppliers more often than others.n = 91 awards since 2022
- The median procedure drew 2 bids (85 procedures with a bid count); 36% ended with a single bidder. Sector: median 2 bids.n = 85
- 0% of the bids received came from small and medium-sized enterprises (26 procedures with a bid mix). Sector: 17%.n = 26
- The award came in at a median 99% of the estimated value (13 awards with both estimate and value) — pricing at the estimate is usually about right here. Sector: 98%.n = 13
From this buyer's documented awards; comparison values from the same sector and country. Not a forecast, not legal advice. As of 01/11/2026.
What you must prove — eligibility criteria
1.1. Изискване за годност за упражняване на професионална дейност по чл. 60 от ЗОП. Участникът следва да е вписан в Централния професионален регистър на строителя (ЦПРС) към Камара на строителите в България (КСБ) за изпълнение на строежи минимум първа група, т… read in fullcollapse
Участниците, следва да имат валидна застраховка „Професионална отговорност”, по смисъла на чл. 171 от ЗУТ, с клауза „строител“ и клауза „проектант”, покриваща минималната застрахователна сума в съответствие с чл. 5, ал. 1, т. 3 и чл. 5, ал. 2, т. 3 от Наредбат… read in fullcollapse
Участникът, през последните три години, считано от датата на подаване на офертата, следва да е изпълнил дейност/и по изработване на технически и/или работен проект/и, в т.ч. упражняване на авторски надзор, за изпълнение на строително- монтажни работи на поне е… read in fullcollapse
Участникът, през последните 5 (пет) години, считано от датата на подаване на офертата следва да е изпълнил най-малко 1 (едно) строителство, с предмет, идентичен или сходен с предмета на поръчката. Забележка: За строителство „идентично или сходно“ с предмета на… read in fullcollapse
Участниците трябва да предложат екип от проектанти, които отговарят за проектирането и упражняването на авторски надзор. Предложените експерти трябва да притежават актуални документи за пълна проектантска правоспособност по Закона за камарите на архитектите и … read in fullcollapse
Участникът следва да разполага минимум със следния персонал и/или с ръководен състав с определена професионална компетентност за изпълнението на поръчката: а) Технически ръководител – 1 брой: - правоспособно лице, притежаващо степен на образование, отговарящо … read in fullcollapse
Изискване за минимален общ оборот формиран изчислен на база годишните обороти през последните три приключили финансови години. Всеки участник следва да е реализирал за последните три приключили финансови години в зависимост от датата, на която участникът е съз… read in fullcollapse
Tender documents — direct download
Part of a larger project
- изпълнение на СМР и упражняване на авторски надзор за обект: „Изпълнение на пристройка (асансьор), преустройство и основен ремонт за въвеждане на мерки за енергийна ефективност на сградата на 67 ОУ „Васил Друмев“ в УПИ I – за училище, кв. 31, м. „НПЗ Средец“, поземлен имот с идент. 68134.305.123, сграда с идентификатор 68134.305.123.1, ПРОД. в Раздел Цел-Доп.информацияDeadline 5 Novthis lot
- изпълнение на СМР и упражняване на авторски надзор за обект: „Изпълнение на пристройка (асансьор)Deadline 5 Nov
- изпълнение на СМР и упражняване на авторски надзор за обект: „ДЕТСКИЯТ ПАРК“Deadline 19 Nov
Who has won at this buyer so far
Across all contract types of this buyer — not just this sector. A city buys software and fire engines through the same purchasing office.
| Company | Awards | Period |
|---|---|---|
| БУЛСТРОЙ ГРУП ЕООД | 6 | 2025–2026 |
| СТИЛ ИНЖЕНЕРИНГ 2010 ЕООД | 6 | 2024–2025 |
| ЕнЕф Консултанти ЕООД | 5 | 2025–2026 |
| ЛЕГО ТРЕЙД ЕООД | 4 | 2024 |
| ПОЛИТРЕЙД КЪНСТРЪКШЪН ЕООД | 4 | 2024–2025 |
How often this buyer tenders this kind of work
Tactics
When this buyer has awarded in this sector, usually only one or two bids came in. A solid bid has a real chance here. (Based on 47 completed awards — not a statement about this procedure.)
This procedure allows 29 days between publication and deadline — typical in this country is 30 (median of 1,862 procedures). A normal window for this market.
Foreign bidders
In Bulgaria · Construction work, 16 contracts went to foreign companies over the last 3 years (of 20,655 recorded awards).
Submission language: Bulgarian.
How to bid
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