UNDP-CYP-ITB-081/2018 – Section 3.2.4 GENERAL TECHNICAL SPECIFICATIONS 1.0 GENERAL 2.0 EXCAVATION AND EARTHWORKS 3.0 CONCRETE WORK 4.0 MASONRY 5.0 EXTERIOR STONEWORK 6.0 METALWORK 7.0 WOODWORK 8.0 THERMAL AND MOISTURE PROTECTION 9.0 OPENINGS 10.0 FINISHES 11.0 PAINTING 12.0 PLASTERBOARD DRY LININGS /PARTITIONS 13.0 SANITARY FITTINGS AND BATHROOM ACCESSORIES 14.0 IRONMONGERY 15.0 EXTERNAL WORKS 16.0 LANDSCAPING AND PLANTING 17.0 EXTERNAL SERVICES GENERAL TECHNICAL SPECIFICATIONS 1.0 GENERAL 1.1 GENERALLY A. Unless otherwise stated or contradicted, materials and workmanship specifications are to apply reciprocally between trades and sections. B. All work is to be executed in accordance with the specifications and the drawings. C. All references to and descriptions containing trade names, materials and procedures shall be deemed to include the phrase "or other equal and approved". 1.2 MATERIALS AND STANDARDS A. The works shall be designed, manufactured, delivered and applied in accordance with the latest revisions of the relevant sections / parts of the appropriate norms and standards. B. All materials, components and methods of workmanship are to be of the best quality consistent with the character of the works. All components are to be no lesser standard than those contained in the appropriate current standards specifications referred to in this specification. The quality of workmanship shall not be less than that set out in the latest appropriate Code of Practices or Trade Association guidance documents. C. Where local practice is such that an alternative material or quality of material to that specified is generally accepted, then the Engineer's approval must first be obtained before such alternative will be permitted to be used. D. If the contractor allows for such alternative in his rates without the prior approval of the Engineer, no extra cost or time will be allowed if subsequently the alternative is not approved. E. Branded materials are to be handled, stored, and used, and processes are to be carried out, strictly in accordance with the manufacturer's instructions and recommendations. F. All materials, components and workmanship are to be in accordance with good building practice. G. Samples of all materials shall be submitted for the approval of the Engineer. H. Materials rejected by the Engineer are to be removed from the site within 24 hours of such rejection and the Contractor shall substitute proper and suitable materials to the approval of the Engineer. All additional costs in connection therewith shall be borne by the Contractor, and no extension of time will be admitted on this account. 1.3 WORKMANSHIP A. Except where otherwise stated or contradicted, workmanship is to comply with British Standard Codes of Practice where applicable and in particular to BS 8000. B. Workmanship is to be of a high standard throughout, particularly with regard to the accuracy of dimensions, lines, planes, levels and the quality of surface textures. C. The Contractor is to do everything necessary to ensure that the standard of finish which is hereby demanded by this contract is achieved. D. Construct, exhibit and finally demolish and clear away sample panels of concrete, brickwork, block work, steelwork, of all finishing and of painting and decorating for approval. The finished work is to correspond to the samples. E. Provide such other samples of materials and workmanship as the Engineer may require. F. Work rejected by the Engineer is to be demolished and cleared away within such time as may be specified by the Engineer and re-executed to his approval. All additional costs in connection therewith shall be borne by the Contractor. 1 GENERAL TECHNICAL SPECIFICATIONS 1.4 PIPE SIZES A. Pipes, tubes, bars, cables, conduits, standards and the like have been grouped and described as follows:- a. Small (i.e. not exceeding 55 millimetres diameter) b. Large (i.e. over 55 millimetres but not exceeding 110 millimetres diameter) c. Extra Large (i.e. over 110 millimetres diameter) 1.5 NOISE CONTROL A. The Contractor shall employ the best practical means to minimise noise produced by his operations and shall comply with the recommendations in BS 5228 and applicable legislation. 1.6 USE OF DOCUMENTS AND INFORMATION A. Any specification, plan, drawing or any other documents issued by or on behalf of the Engineer for the purposes of the contract shall remain the property of the Engineer and must be returned on completion of the Contract. B. The Contractor and his sub-contractors and suppliers shall not communicate with representatives of the general and technical press, radio, television or any other communications media about the contract, without the prior approval of the Engineer. 1.7 DELETERIOUS MATERIALS A. The Contractor shall inform the Engineer immediately if any deleterious materials are discovered on Site. 1.8 PROHIBITED MATERIALS A. The following prohibited materials shall not be used in the carrying out of the Works: 1. High alumina cement in structural elements 2. Wood wool slabs in permanent formwork to concrete or in structural elements. 3. Calcium chloride in admixtures for use in reinforced concrete. 4. Aggregates for use in reinforced concrete which does not comply with CYS EN 12620. 5. Blue and brown asbestos and blue and brown asbestos bearing products. 6. Lead based paints or lead used in situations which could contaminate drinking water. 7. Urea formaldehyde containing materials which may release formaldehyde quantities which may be hazardous with reference to the limits set. 8. Materials comprised of un-stabilised mineral fibres of diameter of 3 microns or less and length 200 microns or less; other substances generally known to be deleterious at the time of use, including but without limitation, substances referred to as being hazardous to health and safety in "Hazardous Building Materials: A Guide to the Selection of Alternatives", edited by S R Curwell and C G Marsh, according to the current edition. 9. Any materials containing chlorofluorocarbons (CFCs) which are listed in the Montreal Protocol as depleting the ozone layer in the upper atmosphere. 10. Lead or any products containing lead other than for flashings and damp-proof coursing. 2 GENERAL TECHNICAL SPECIFICATIONS 11. Leather or animal derived products. 12. Aggregates that do not comply with CYS EN 12620 (For use in pavements). 1.9 CO-ORDINATION OF THE WORKS A. The Contractor shall co-ordinate and submit to the Engineer for review all the fabrication and installation drawings including builder's work details from sub-contractors, suppliers and statutory undertakers. The Contractor shall agree and be responsible for the positions of chases, holes, pockets, mortices, fixings, sleeves, pipes, cast-in elements, and the like before work is put in hand to ensure that there is no conflict with other work. 1.10 CO-ORDINATION WITH MECHANICAL AND ELECTRICAL INSTALLATIONS A. Refer to all relevant Mechanical and Electrical drawings and specifications. Fully co-ordinate, raise any discrepancies in writing for clarification by the Engineer in writing prior to continuing with the design or installation. 1.11 HEALTH AND SAFETY PLAN A. In accordance with the relevant directive and the stipulations of Volume VI the Contractor is required to submit to the Engineer for review a health and safety plan (HSP). B. Clarify any discrepancies in writing for clarification by the Engineer prior to commencing any task or operation. 1.12 SAMPLES A. The Contractor's attention is directed to the Specification clauses which require samples. The Contractor’s prices shall include for all additional materials, labour and charges incurred and for obtaining any necessary certificates, reports and evidence and for maintaining and clearing away samples. 1.13 INSPECTION, EXAMINATION AND TESTING A. The Contractor's attention is directed to the Specification clauses which require inspection, examination and testing. The Contractor’s prices shall include for all additional materials, labours, testing equipment, facilities, and charges incurred and for obtaining any necessary certificates, reports and evidence. 1.14 STANDARDS A. Commodities specified to conform to Standards shall be clearly and indelibly marked with the reference specified. Where this is impracticable the relevant advice/delivery notes shall include the Standard reference with which they are to comply. The Contractor shall provide certificates of compliance with Standards when required by the Engineer. 1.15 ACCURACY AND DISCREPANCIES A. The Contractor shall at all stages before any work is commenced check dimensions and levels shown on all documents for compatibility with each other, with the Site and work completed to date including the documents of any sub-contractor. The Contractor shall accept full and sole responsibility for the accuracy of all dimensions and levels and any discrepancies relating to the Works as constructed. 1.16 STABILITY OF UNFINISHED WORK A. The Contractor shall ensure the stability of the Works at all times, with particular regard to the erection sequence and temporary condition of the various elements of construction where different from the final design condition. The Contractor shall provide and maintain temporary supports as necessary. 1.17 QUALITY, TESTING AND APPROVALS A. The Contractor shall construct the Works in a manner which fully accords with the Design in all respects. All commodities shall be of new manufacture unless otherwise stated. 3 GENERAL TECHNICAL SPECIFICATIONS B. Where commodities are not of national manufacture the Contractor shall be required to demonstrate to the Engineer's satisfaction, that their compliance with the prescribed standards has been demonstrated in tests by a recognised authority and the replacement and the spares can be obtained in the country of installation. 1.18 PROPRIETARY PRODUCTS/ NAMED COMPANIES A. The mention of the names of any company or proprietary product is only an indication of the quality, performance and workmanship required.