Section 720. Building layout  


Latest version.
  • A. Adequate ventilation shall be provided.

    B. Adequate lighting shall be provided.

    C. Adequate heating shall be provided.

    D. Adequate drainage shall be provided.

    E. Adequate dehumidification equipment shall be provided.

    F. Accessibility of equipment for operation, servicing, and removal shall be provided.

    G. Flexibility of operation shall be provided.

    H. Safety precautions shall be considered. Reference the applicable health and safety standards of the Virginia Department of Labor and Industry for the appropriate requirements.

    I. Convenience of operation shall be considered.

    J. Separate rooms for chemical storage and feed equipment to reduce dust problems shall be considered.

    K. Sanitary facilities shall be provided at all waterworks installations requiring an operator in attendance at all times during operation.

    L. Positive identification of the contents of a piping system shall be by lettered legend giving the name of the contents. Arrows should be used to indicate the direction of flow. Legends shall be applied close to valves, adjacent to changes in direction and branches, where pipes pass through walls and floors, and at frequent intervals on straight pipe runs. The lettering shall be of such color, size, and location so as to be clearly visible and readable.

    M. No conduit or basin containing filtered water shall have a common division wall with another conduit or basin containing nonpotable water. Vertical double division walls, where separated sufficiently to permit ready access for inspection, are permissible where the division walls are monolithic in construction and are properly keyed into their footings or are cast monolithically with their footings.

Historical Notes

Derived from VR355-18-007.09 § 3.9, eff. August 1, 1991; amended, Volume 09, Issue 17, eff. June 23, 1993.

Statutory Authority

§§ 32.1-12 and 32.1-170 of the Code of Virginia.