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ST. BARBARA CATHOLIC SCHOOL TASK 2 75-24272-01 DIOCESE OF ORANGE SEPTEMBER 12TH, 2024 SANTA ANA, CA BID & PERMIT SET TEMPORARY FACILITIES AND CONTROLS 015000 - 5 F. Temporary Heating and Cooling: Provide temporary heating and cooling required by construction activities for curing or drying of completed installations or for protecting installed construction from adverse effects of low temperatures or high humidity. Select equipment that will not have a harmful effect on completed installations or elements being installed. 1. Provide temporary dehumidification systems when required to reduce ambient and substrate moisture levels to level required to allow installation or application of finishes and their proper curing or drying. G. Isolation of Work Areas in Occupied Facilities: Prevent dust, fumes, and odors from entering owner equipment occupied IDF and MDF rooms. 1. Upon installation of owner equipment, isolate the HVAC system in area where work is to be performed. a. Maintain negative air pressure within work area using HEPA-equipped air- filtration units, starting with commencement of temporary partition construction, and continuing until completion of construction. 2. Maintain dust partitions during the Work. Use vacuum collection attachments on dust- producing equipment. Isolate limited work within occupied areas using portable dust- containment devices. 3. Perform daily construction cleanup and final cleanup using approved, HEPA-filter- equipped vacuum equipment. H. Electric Power Service: Provide electric power service and distribution system of sufficient size, capacity, and power characteristics required for construction operations. 1. Install electric power service underground, unless overhead service must be used. 2. Where power distribution wiring is required by circumstances to be overhead, arrange it to rise vertically where least exposed to damage. 3. Connect temporary service to new electrical transformer as directed by electric company officials. I. Lighting: Provide temporary lighting with local switching that provides adequate illumination for construction operations, observations, inspections, and traffic conditions. 1. Install and operate temporary lighting that fulfills security and protection requirements without operating entire system. J. Telephone Service: Provide temporary telephone service in common-use facilities for use by all construction personnel. Install WiFi cell phone access equipment and one land-based telephone line(s) for each field office. K. Electronic Communication Service: Provide temporary electronic communication service, including electronic mail and internet access, in common-use facilities.