Construction of Giresun Wastewater Treatment Plant  Tender Dossier Volume 3 Employer’s Requirements Section 09: Building Works  16 of 24 9.1.20 Stairs, handrails and balustrades  9.1.21 Suspended ceilings  9.1.22 Painting  9.1.22.1 General  9.1.22.2 Contractor's Responsibility  The Contractor shall be responsible for the complete cleaning, preparation, priming, painting and pro- tection of the works carried out by him.  No alternative or substitute painting standard or specification will be accepted unless it is specifically  required for the above stated reason. No painting or protective coating will be accepted by the Engi- neer unless it is at least to the standard and of the quality specified herein.  Painting title covers the general requirements and standards of workmanship and the painting and pro- tective coatings required to be carried out by the Contractor of the works, except where particularly  redefined in individual specification clauses or as necessary due to a particularly corrosive local envi- ronment, the possible reaction of escaping chlorine on the works or on the structures or the reaction of  chlorine residuals on phenolic paints (e.g. inside pipelines) , harmful or toxic paint in contact with  process liquids, or other special requirements, in which case the Contractor submit his own special  specification along with his tender.  Suspended ceilings shall be installed after wall finishes have been applied.  Where suspended ceilings change level, or abut windows and louvers, bulkheads shall be formed.  These shall either be constructed from steel angle frames filled with plasterboard or dismountable par- titioning construction.  Movement joints shall be provided in suspended ceilings where required. The ceiling shall end on ei- ther side of the joint at a steel tee. A strip of pre-painted galvanised steel sheet shall be loose laid in the  suspension grid and access the joint.  Openings shall be formed in ceilings to accommodate air conditioning grills, where applicable, and  recessed light fittings. 600 x 600 mm tile sized galvanised steel hinged access panels and frames shall  be provided in ceilings as required for servicing mechanical and electrical equipment in the ceiling  void. The panels shall be finished with matching tiles.  All necessary couplings and clips shall be provided.  Edge trim angles shall be fixed to perimeter walls. The exposed faces of suspension tees and edge trim  shall be pre-painted.  Ceiling tiles shall be mineral fibre pre-painted smooth finish tiles, sized 600 x 600 x 19 mm with  square edges and be laid into galvanised steel tee suspension grid. Additional support shall be provid- ed by galvanised pressed steel channel sections at 1200 mm centres set at right angles and clipped to  primary tees and suspended from structural ceiling by wire or steel angle suspension members, also at  1200 mm centres.  Suspended ceilings shall be of the lay-in metal suspension system type.  Specifications for stairs, handrails and balustrades are given in Section 6: Mechanical Works.  9_Vol3_d4.3_Section 9 building works_en_GIR_rev6.docx 