DIN 18353-2016 German construction contract procedures (VOB) - Part C General technical specifications in construction contracts (ATV) - Laying of floor screed《德国建筑合同程序(VOB) 第C部分 建.pdf

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7、IN 18353:2016-09 2 A comma is used as the decimal marker. Foreword This document has been prepared by the Deutscher Vergabe- und Vertragsausschuss fr Bauleistungen (DVA) (German Committee for Construction Contract Procedures). Amendments This document differs from DIN 18353:2015-08 as follows: a) th

8、e document has been editorially revised; b) the references to VOB/A have been updated; c) the normative references have been updated as of 2016-04. Previous editions DIN 1965: 1925-08, 1958-12 DIN 18353: 1961-02, 1974-08, 1976-09, 1979-10, 1988-09, 1992-12, 1996-06, 1998-05, 2000-12, 2002-12, 2005-0

9、1, 2006-10, 2010-04, 2012-09; 2015-08 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the refe

10、renced document (including any amendments) applies. DIN 1100, Hard aggregate for cement-bound floor screeds Requirements and test methods DIN 1164-10, Special cement Part 10: Composition, requirements and conformity evaluation for cement with low effective alkali content DIN 1960, German constructio

11、n contract procedures (VOB) Part A: General provisions relating to the award of construction contracts DIN 1961, German construction contract procedures (VOB) Part B: General conditions of contract relating to the execution of construction work DIN 16945, Resins, hardeners, accelerators and catalyze

12、d resins Testing DIN 18202:2013-04, Tolerances in building construction Buildings DIN 18299, German construction contract procedures (VOB) Part C: General technical specifications in construction contracts (ATV) General rules applying to all types of construction work DIN 18340, German construction

13、contract procedures (VOB) Part C: General technical specifications in construction contracts (ATV) Dry lining and partitioning work DIN 18354, German construction contract procedures (VOB) Part C: General technical specifications in construction contracts (ATV) Asphalt flooring work DIN 18353:2016-0

14、9 3 DIN 18560 (all parts), Floor screeds in building construction DIN 18560-2, Floor screeds in building construction Part 2: Floor screeds and heating floor screeds on insulation layers DIN 18560-4, Floor screeds Part 4: Screeds laid on separated layer DIN 18560-7, Floor screeds Part 7: Heavy-duty

15、screeds (industrial screeds) DIN EN 197-1, Cement Part 1: Composition, specifications and conformity criteria for common cements DIN EN 622-1, Fibreboard Specifications Part 1: General requirements DIN EN 12620, Aggregates for concrete DIN EN 13055-1, Lightweight aggregates Part 1: Lightweight aggre

16、gates for concrete, mortar and grout DIN EN 13139, Aggregates for mortar DIN EN 13162, Thermal insulation products for buildings Factory-made mineral wool (MW) products Specification DIN EN 13163, Thermal insulation products for buildings Factory-made expanded polystyrene (EPS) products Specificatio

17、n DIN EN 13164, Thermal insulation products for buildings Factory-made extruded polystyrene foam (XPS) products Specification DIN EN 13165, Thermal insulation products for buildings Factory-made rigid polyurethane foam (PU) products Specification DIN EN 13166, Thermal insulation products for buildin

18、gs Factory-made phenolic foam (PF) products Specification DIN EN 13167, Thermal insulation products for buildings Factory-made cellular glass (CG) products Specification DIN EN 13168, Thermal insulation products for buildings Factory-made wood wool (WW) products Specification DIN EN 13169, Thermal i

19、nsulation products for buildings Factory-made expanded perlite boards (EPB) products Specification DIN EN 13170, Thermal insulation products for buildings Factory-made products of expanded cork (ICB) Specification DIN EN 13171, Thermal insulation products for buildings Factory-made wood fibre (WF) p

20、roducts Specification DIN EN 13454-1, Binders, composite binders and factory made mixtures for floor screeds based on calcium sulfate Part 1: Definitions, requirements DIN EN 14016-1, Binders for magnesite screeds Caustic magnesia and magnesium chloride Part 1: Definitions, requirements DIN V 18500,

21、 Cast stones Terminology, requirements, testing, inspection DIN 18353:2016-09 4 Contents Page 0 Details required for drafting the specification of works . 4 1 Scope 7 2 Materials and components . 7 3 Execution of work 8 4 Associated tasks and special tasks 11 5 Settlement of accounts 13 0 Details re

22、quired for drafting the specification of works The following information supplements the general information specified in DIN 18299, clause 0. Without this information, a specification of works as required in 7 ff., 7 EU ff. or 7 VS ff. of VOB/A (DIN 1960) cannot be properly drawn up. This informati

23、on does not form part of the contract. The specification of works shall, in particular, include the following information as and when applicable. 0.1 Site information Type and size of free edges and openings that are not secured against falling. 0.2 Details of execution of work 0.2.1 Type of screed,

24、 including wearing courses and protective coverings, location, type of construction, dimensions and details of materials to be used. Design, strength class and nominal thickness. Types and properties of any additives and admixtures. 0.2.2 Colour shade and finish required. 0.2.3 Use of screed and any

25、 mechanical, chemical and thermal conditions to which the screed will be exposed after placement, such as high vertical imposed loads. 0.2.4 Type and thickness of floor covering which the screed is to receive. DIN 18353:2016-09 5 0.2.5 Information on whether execution of work is to be based on speci

26、fied drawings (particularly detailed drawings or joint pattern drawings). 0.2.6 Any requirements regarding fire protection, sound and thermal insulation, and damp-proofing. 0.2.7 Design and any sectionalizing of surfaces. 0.2.8 Type, location, dimensions and design of movement and structural joints,

27、 and of joints between components. 0.2.9 Type and dimensions of strip joint formers, etc. Joint sealing compound to be used. Any special requirements for joint formers and sealing compounds. 0.2.10 Type, condition and strength of structural base. 0.2.11 Type and position of damp-proofing. 0.2.12 Fal

28、l of base. Any datums to be observed. 0.2.13 Any preparatory treatment of base. Type of key to be used. 0.2.14 Type, location, dimensions and any fall of any levelling screed, levelling layers or fill. 0.2.15 Type, location, number and dimensions of any impervious layers, separating layers or membra

29、nes, slip membranes, and underlays. 0.2.16 Type, design, location, number and dimensions of any insulating layers and flanking strips, and type and thickness of any protective coverings for such. 0.2.17 In the case of screed with embedded services (e.g. underfloor heating or cooling), type of heatin

30、g or cooling system, size and location of heating or cooling elements, screed thickness and depth of cover. 0.2.18 Types, location, number and dimensions of any recesses, openings and penetrations. 0.2.19 Types, constructional details, number and dimensions of stairs and landings on which screed is

31、to be laid, with details of connections/junctions and edgings. 0.2.20 Type, design, location, number and dimensions of edgings or changes in height, at which screed is to be laid. 0.2.21 Types, location, number and dimensions of frames, stop beads, dividing battens and strip joint formers to be fitt

32、ed. 0.2.22 Type of finishing coats (e.g. impregnation, seals, wearing courses). 0.2.23 Any special protection of components, equipment, fixtures, furniture, etc. 0.2.24 Types and location of any metal components requiring protection. 0.2.25 Type, dimensions and number of colour and surface samples.

33、DIN 18353:2016-09 6 0.2.26 Requirements for covers at workplaces and in trafficked areas (e.g. if surfaces are required to be safe to walk on or to have anti-slip or anti-penetration properties). 0.3 Details not included in the specifications of this standard 0.3.1 If specifications are to be made t

34、hat are not included in the specifications of this standard, they shall be described separately and clearly in the specification of works. 0.3.2 Such specifications may be of particular relevance in: subclause 3.1.3, if tolerances other than specified are to be complied with, subclause 3.2.4, if the

35、 screed surfaces are not to be finished by rubbing, but by floating, raking, etc., subclause 3.3.1, if terrazzo flooring is not to be placed in two layers, subclause 3.3.6, if terrazzo flooring is not to be finished by grinding, filling and polishing, but only by grinding and washing out, for exampl

36、e. 0.4 Details of associated tasks and special tasks No details are required supplementary to those given in DIN 18299, subclause 0.4. 0.5 Accounting of works In the specification of works, accounting of works shall be based on the following: 0.5.1 Area (m2), accounted for separately according to ty

37、pe of construction and size: preparatory treatment of the base, keying of the base, application of levelling, placing of fill, separating, impervious layers, underlays or slip membranes, sheeting, fitting of insulating material, laying of screed, terrazzo flooring and application of other protective

38、 layers or wearing courses, surface finishing and other treatment. 0.5.2 Length (m), accounted for separately according to type of construction and dimensions: fitting of flanking strip and removal of excess strip (at wall/floor junctions), fitting of battens, beads and joint formers, making of moul

39、dings, skirtings and edges, making and filling of joints, working around or to holes individually measuring 0,1m2. DIN 18353:2016-09 7 0.5.3 Number of items, accounted for separately according to type of construction and dimensions: placing of screed on steps and sills, fitting of beads, profiles an

40、d frames, closing of openings, working around or to holes individually measuring 0,1m2. 1 Scope 1.1 This standard deals with the laying of screed material on floors, including the application of any insulating, separating and protective layers or membranes. 1.2 This standard does not cover the layin

41、g of dry screed boards and the construction of dry floors (see DIN 18340), nor the hot application of mastic asphalt screed (see DIN 18354). 1.3 DIN 18299, clauses 1 to 5 shall also apply. In cases where the specifications of DIN 18299 contradict the present standard, DIN 18353 shall take precedence

42、. 2 Materials and components The specifications of DIN 18299, clause 2 shall be supplemented as follows: The DIN Standards and other requirements given below cover the most commonly used materials and components. 2.1 Binders DIN 1164-10 DIN EN 197-1 DIN EN 13454-1 DIN EN 14016-1 2.2 Resins DIN 16945

43、 Resins shall be alkali-resistant. 2.3 Aggregates and fillers DIN 1100 DIN EN 12620 DIN EN 13139 DIN EN 13055-1 The aggregate used for terrazzo floors shall, where possible, consist of particles of the same hardness and be capable of being ground and polished. DIN 18353:2016-09 8 2.4 Insulating mate

44、rials DIN EN 622-1 DIN EN 13162 DIN EN 13163 DIN EN 13164 DIN EN 13165 DIN EN 13166 DIN EN 13167 DIN EN 13168 DIN EN 13169 DIN EN 13170 DIN EN 13171 Materials not covered in standards (e.g. granular, porous or aerated materials) may also be used, provided proof of their usability has been provided i

45、n accordance with the building inspectorate approval procedures. 3 Execution of work The specifications of DIN 18299, clause 3 shall be supplemented as follows. 3.1 General 3.1.1 Reservations according to VOB/B (DIN 1961), 4, clause 3 could involve in particular the following: any discrepancies betw

46、een the conditions on site and the specifications, the condition of the base, if it is unsuitable, any surface irregularities in the base/background exceeding the tolerances specified in DIN 18202, any missing datums, any incorrect level of the base, the fall, if this is missing, inadequate, or othe

47、rwise deviates in a way that does not permit application of the screed in accordance with subclause 3.1.4, any missing damp-proofing for components in contact with the ground, pipework laid on the base, without a levelling layer being applied, any inadequately plastered walls, missing door frames or

48、 stop beads, any inclement weather conditions (see subclause 3.1.2), any missing corrosion protection of metal components (e.g. where MA type screed is to be laid). DIN 18353:2016-09 9 3.1.2 If conditions are unsuitable due to the weather or the indoor climate (e.g. temperatures below +5 C, draughts), special precautions shall be taken, in consultation with the client. If work is necessary as a result, this shall count as a special task (see subclause 4.2.2). 3.1.3 Departures from the dimensions specified are permitted subj