elaboration of energy-efficient projects

Transcription

1 Methodological recommendations for the coowners of apartment buildings : elaboration of energy-efficient projects Stage 4 construction works: contents and specifics Vitaliy Shapovalenko GIZ advisor

2 Construction works (1) Goal implementation of project solutions for the improvement of the building s energy efficiency; construction, installation and launching work. Key issues selection of qualified contractors. technical and individual supervision of the construction works, quality control, control of compliance with the agreed technical solutions and state construction norms. Page 2

3 Construction works(2) Contents Performance indicators Selection of construction specialists, suppliers of equipment and materials. Construction works. Technical and individual supervision of construction works. Putting the building into operation. Acceptance certificates for single stages of construction works. Construction documents according to DBN А including protocols for inner works, individual supervision log. Protocol of the building s readiness for use. Registration of the declaration or retrieval of the certificate for the building s readiness for use. Page 3

4 Success factors of the construction works Well-founded project solutions. Qualification of contractors. Compliance of the used materials and items with the parameters agreed in the project. Compliance with the technology. Technical and individual supervision in all phases of the energy-efficiency works in the building. Page 4

5 Stages of the construction works Construction permit Preparation and construction works Technical and individual supervision Putting into operation Customer / authorized person Certified specialists Customer / authorized person Page 5

6 Permits for construction works The customer is allowed to have construction works started after: the declaration of construction works has been registered by the architecture and construction supervision body for objects of complexity grade I to III (5 days); the customer has received a permit for construction works from the architecture and construction supervision body for objects of complexity grade IV or V (10 days). Activities Art. 34 of the Law of Ukraine On the Regulation of Urban Construction Reconstruction or overhaul of objects without changing the outer geometrical dimensions of their fundaments in the construction plans on state or municipal land can be conducted without the document confirming the property or disposal rights on the respective land plot. ELABORATION РОЗРОБКА OF ЕНЕРГОЕФЕКТИВНИХ ENERGY-EFFICIENT PROJECTS ПРОЕКТІВ Page 6

7 І. Preparation Stages of construction works (1) Study of technical documents and object inspection results; Detailed study of the object and the local working environment by the contractor s specialists; Setting duration of the works; Price agreement; Signing contracts; Signing contracts for the supply/lease of materials and equipment. Page 7

8 ІІ. Construction works Stages of construction works (2) Repair or replacement of windows, entrance doors, inner doors and balcony doors; Repair or replacement of windows in stairwells, corridors and halls, on technical floors and in lofts; Modernization of inner networks of the building; Insulation of outer elements and hydro-insulation of the roof. Construction works can be executed in a different sequence depending on the previous energy-efficiency measures. РОЗРОБКА ЕНЕРГОЕФЕКТИВНИХ ПРОЕКТІВ Page 8

9 Stages of insulation works 1. Outer walls and outer wall elements which contact with the ground; 2. Other elements in any sequence: roofs; loft floors and floors of unheated lofts; floors over drive-through areas and unheated basements; insulation of floors on the ground. It is recommended to start external insulation works after the modernization and test of the inside networks. Insulation of the walls and the roof can be conducted simultaneously. Page 9

10 Technical supervision Quality control of the energy-efficiency measures Control of compliance with project solutions, state standards, construction norms and regulations Examination and expert assessment of all processes, terms and costs. Technical supervision is ensured by the client (builder) for the whole duration of the construction works. The works are to be completed by qualified specialists. Violations and deviations result in: protocols; notifications to the client; demands to the contractors to remedy all discrepancies. Page 10

11 Acceptance of completed works Subject to examination are as follows: Compliance of materials and products used for construction works with the respective project solutions, instructions and use guidelines as well as with appropriate regulations and technical documents; Compliance of the contents and volume of the works with the project solutions and valid regulations; Extent of compliance of controllable physical, mechanical, geometrical and esthetical properties with the respective project solutions; Timely and correct records in the work logs; Removal of defects registered in the logs on the basis of the technical inspection. Page 11

12 Putting the building into operation Putting into operation of completed buildings: Complexity grades I-III registration of the declaration by the architecture and construction supervision body (free of charge, up to 10 working days) Complexity grades IV and V based on the readiness protocol, a certificate is issued Page 12

13 No. Stage/measure Goal 4 Construction works 4.1 Selection of contractors for construction works and suppliers of equipment and materials 4.2 Construction works 4.3 Technical and individual supervision of construction works 4.4 Putting the building into operation Conclusions Ensuring quality of works/supplies Implementation of project solutions Control of project solutions and quality of works Confirmation of compliance of completed works with project solutions and legal requirements Executed by Certified specialists Certified specialists Coowners Coowners (authorize d represent ative) Final documents Protocol with the decision of the authorized body of the co-owners/owners on the selection of contractors for construction works and suppliers of equipment and materials. Signing contracts with contractors/suppliers Working documents, acceptance certificates Remarks in working documents, protocols (in case of violations) Protocol of readiness for use. Declaration of readiness for use for objects of complexity grade I to III. Certificate confirming compliance of the completed building of complexity grade IV or V with project documents and its readiness for use Page 13

14 Use of the building after the project completion (5) Contents Monitoring and consumption data: Heating energy (GCal) Electricity (kwh) Cold water (m 3 ) Hot water (m 3 ) Assessment of project results (achieved energy efficiency). Performance indicators Achieved consumption data and cost savings. Return of taken loans, investments. Contractors/providers have been selected, contracts for the building management (including the heating system) have been signed. Current house maintenance. Page 14

15 No Stage/measure. 5 Building use after the project completion 5.1 Monitoring of energy use 5.2 Assessment of project results (achieved energy efficiency) 5.3 Current house maintenance Conclusions Goal Measuring actual energy consumption Comparison of the actual energy consumption with the project data Ensuring proper use of the building Executed by Coowners Coowners Qualified specialist s Final documents Protocols with records on measured energy consumption figures Protocol (if discrepancies detected) Acceptance certificates Page 15

16 EXAMPLES OF IMPLEMENTED ENERGY-EFFICIENCY PROJECTS IN APARTMENT BUILDINGS Page 16

17 Example 1 Nizhyn, Chernihiv region (1) Nizhyn, 23 Nezalezhnosti str., built in Walls claydite-concrete, 5 storeys, 10 entrances, 150 apartments, 287 residents m² - heated square footage Apartments with individual heating points not available Page 17

18 Example 1 Nizhyn, Chernihiv region (2) Project s attractiveness for residents: Minor financial contribution by residents Heating and hot water supply are to be paid for according to the already set tariffs with a 3% discount Subsidies and exemptions remain valid Property and apartments of the residents are not used as a security Central heating remains in operation The loan is re-paid from costs savings resulting from the reduced heating energy consumption Page 18

19 Completed works: Example 1 Nizhyn, Chernihiv region (3) Roof repair Walls insulation Individual heating points installed Heating system modernized (hydrochemical purging and balancing) Entrance doors and windows insulated Asphalt pavement repaired Page 19

20 Example 1 Nizhyn, Chernihiv region (4) Annual heating energy consumption Before thermal modernization After thermal modernization 996 GCal 619 GCal Page 20

21 Example 1 Nizhyn, Chernihiv region (5) Page 21

22 Example 1 Nizhyn, Chernihiv region (6) Project costs Works Costs, UAH thousand Comments Walls insulation 1050 Partially financed from the state budget Project design for individual 26 heating points Equipment of individual 387 heating points Purging of the heating 80 system Repair of the roof, road, entrances 306 Partially financed from the state budget Replacement of windows 50 Partially financed from the state budget Modernization of the hot water supply system (2 heat pumps, solar collectors, heat-generating equipment) Total Planned for 2010, but not implemented due to the project suspension Page 22

23 Example 1 Nizhyn, Chernihiv region (7) Project costs Works Costs, UAH thousand Comments Funding from the state budget 425 ESCO loan 1975 Costs of the completed works 1 m² of the apartments 0.35 ROI term Tariff in 2007 UAH / GCal Tariff in 2009 UAH / GCal Tariff in 2011 UAH / GCal* 19.8 years Simple calculation 12 years Simple calculation 10 years Simple calculation * No further calculations of the ROI term were made due to the project suspension Page 23

24 Project specifics Decision of the general meeting of the OSBB on the project implementation and assignment of ESCO-Center LLC as the heating provider; Contracts about heating services were signed between ESCO-Center and each apartment; Nizhyn city council approved ESCO-Center as the heating provider and set a heating tariff. Project problems Conflict of interests between ESCO-Center and the regional municipal company Chernihivteplokomunenergo resulting in: denial of a heating supply contract (for almost 3 years); ESCO-Center s inability to collect payments for the heating services; abolition of the city council s decision on the approval of ESCO-Center as the heating provider. Page 24

25 Example 2 Lutsk (1) 10 Peremohy Ave. 9 storeys Brick walls Heated square footage m² Individual heating points not available Project costs UAH. Funding terms private investor Heating costs: -before 6.76 UAH/m² -after 6.29 UAH/m²(-7%) Page 25

26 Example 2 Lutsk (2) Completed works: insulation of outer walls and elements with geofoam (UAH ) installation and setting of individual heating points (UAH ) installation of energy-saving windows at places of public use (stairwells in 4 blocks, in the basement and in the technical floor) (UAH ) Total costs: UAH Heating energy consumption was reduced by 50%, which ensures return of investments Page 26

27 Before Example 2 Lutsk (3) After Page 27

28 Example 2 Lutsk () Page 28

29 Example 3 project in Kyiv General data: Built in 1990 Dimensions 43.2 x 15 x 53.6 m Heated square footage 9021 sq.m. Approximate costs of comprehensive Thermal modernization UAH Heating consumption according to DBN V : Before kwh/sq.m. total per year 1793 thousand kwh (1542 GCal) - After 55.4 kwh/sq.m. - total per year thousand kwh (429 GCal) тис. квт-год (1542 Гкал) (429 Гкал) 72% Page 29

30 Example 4 Kyiv General data: Built in 1961 Dimensions x 12.6 x 19.4 m Heated square footage 8755 sq.m. Approximate costs of comprehensive Thermal modernization UAH Heating consumption according to DBN V : Before kwh/sq.m. total per year thousand kwh (1291 GCal) (1291 Гкал) - After 85.4 kwh/sq.m. 67,5% - total per year thousand kwh (419 GCal) (419 Гкал) Page 30

31 Example 5 Lutsk (1) 6 Nil Khasevych Str. OSBB Yavir storeys 173 apartments 330 residents Heated square footage m² A meter for the total heating energy consumption was not available. The project was implemented in Page 31

32 Example 5 Lutsk (2) Stage total costs - UAH , including: Design of individual heating points UAH Price of individual heating points UAH Installation of individual heating points, hydrochemical purging and balancing of the heating system UAH Funding sources and terms: Loans from Ukrgazbank UAH / 5 years (60 months) / 22% Refund of the interest rate city support program for OSBBs Loan re-payment UAH / 60 months = UAH / month Costs per sq.m. UAH per month / = UAH 0.77 per sq.m. Page 32

33 Example 5 Lutsk (3) Stage total costs UAH including: Energy audit USAID grant Project and construction works UAH , including project works UAH 80000; technical inspection UAH Material costs UAH Funding sources and terms: Loan from Ukrgazbank UAH / 10 years (120 months) / 22% Refund of the interest rate city support program for OSBBs Refunded 40% of the loan for materials UAH Loan re-payment UAH /120 = UAH / month Costs per sq. m. UAH per month / = UAH 2,52 per sq. m. РОЗРОБКА ЕНЕРГОЕФЕКТИВНИХ ПРОЕКТІВ Page 33

34 Example 5 Lutsk (4) Economic impact of the project Years Consumpt ion (GCal) Tariff (UAH/m) / price (UAH) Costs (UAH) Savings (UAH) Loan repayment (UAH) Actual expenses (UAH) ROI term (years) 2015/ / / (65%) / / / Heated square footage sq.m. Costs per sq. m.: 2015 / 2016 UAH 8.99 / sq.m., incl. heating UAH 5.46 (6 months), loan UAH 3.53 (12 months) 2016 / 2017 UAH / sq.m., incl. heating UAH (6 months), loan UAH 6.86 (12 months) ELABORATION РОЗРОБКА OF ЕНЕРГОЕФЕКТИВНИХ ENERGY-EFFICIENT PROJECTS ПРОЕКТІВ Page 34

35 Example 5 Lutsk (4) Page 35

36 Example 5 Lutsk (5) Page 36

37 Example 5 Lutsk (6) Page 37

38 Example 5 Lutsk (7) Page 38

39 As a federal company, GIZ supports the Federal Government of Germany in achieving its goals of international cooperation for sustainable development. Published by Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH Registered offices in Germany: Bonn and Eschborn Project Establishing Energy Agencies in Ukraine 16-B Antonovych str Kyiv, Ukraine Phone Fax Robert.Kuenne@giz.de Web Person responsible for the publication Vitaliy Shapovalenko Author Vitaliy Shapovalenko Pictures GIZ/EEAU In cooperation with Page 39

40 Thank you for your attention! Page 40