Bang Pakong Combined Cycle (Unit 1-2 Replacement) Project Technical Document Fire barriers consisting of interior walls, ceiling, floors, and windows with a minimum of 2-hr fire rating shall be provided to the Electrical Room and Control Equipment Room which shall be arranged in the building to fulfill requirements of the cluster’s design. The height of access door shall not be less than 2.40 m. The chemical storage area and Sodium Chloride Storage Area shall be coated with the chemical resistant covering in accordance with the specification. 2A.2.1O Circulating Water Pipe Tentative route for CW pipe shall be referred to Civil Drawing. The exact route shall be thoroughly investigated by the Contractor. The installation of CW pipe shall not affect the service of existing road and pipe trench. Any effects to the existing facilities from the CW pipe installation in any case shall be recovered by the Contractor. Box culvert or reinforced concrete encasement shall be provided underneath the crossing road. Box culvert or concrete encasement shall be designed taking into account vehicle loading (Refer to Section 1D.5.2.7, Volume 2 Wheel and crawler loads) expected in the plant area. 2A.2.1 1 Water Treatment Plant The building shall be reinforced concrete structure enclosed by masonry wall and insulated metal roof panel with non-perforated metal liner. All interior walls will be of masomy construction with a plastered and painted finish. Roll-up door and single-and double-leaf doors shall be provided for personnel access and equipment removal. Louvers shall be located on walls for adequate ventilation by the HVAC system design criteria mentioned in Section 1D.2.7, Volume 2. The Electrical Room shall be trowelled finish concrete floor and exposed ceiling with painting. The Control and Equipment Room shall be raised floor system with anti-static floor tile and suspended, exposed grid, acoustical ceilings. Window curtain shall be provided in Control and Equipment Room. Window curtain to be provided shall be of a motorized roller blind system and install to be concealed in the ceiling. Laboratory room shall be provided in this building. Ceilings of other offices and finished areas shall be of gypsum board ceiling system. Raceway and cable floor shall be provided. Chemical feed equipment and storage floor areas with curbs inside and outside building shall be of chemical resistant coating in accordance with the specification. Toilet shall be separately provided for men and woman. Fire barriers consisting of interior walls, ceiling, floors, and windows with a minimum of 2-hr fire rating shall be provided to the Electrical Room and the Control and Equipment Room. The height of access door shall not be less than 2.40 m. A walkway of a minimum 1.50 m Width around the building shall be provided. 2A.2.12 Utility Pump Shelter Shelter shall be steel structure with foundation on piles, and metal sheet roof. Metal sheet siding shall be provided for sunlight and rain protection. Reinforced concrete pad 0.15 m. Volume 2 Page 2A-19