---
kind: "section"
citation: "9 C.F.R. § 108.4"
title: "9"
number: "108.4"
heading: "Preparation of blueprints."
url: "https://uscodex.org/cfr/9/108.4"
---

# §108.4. Preparation of blueprints.

- (a) Blueprints, drawn to any suitable scale, on regular blueprint paper or a good grade of white paper of any one of the American standard trimmed sizes shall be acceptable: Provided, That the same scale shall be used for future revisions unless the entire blueprint is revised. Indicate the scale used.
- (b) **Use a single sheet of paper for each floor of all buildings in which biological products are prepared.** Illustrate in detail the areas in each building utilized for such preparation.
- (c) If only a portion of a floor is used in the preparation of a biological product, the blueprint shall illustrate the entire floor in essentially the same detail throughout. All functions or activities performed in the remainder of the floor shall be indicated.
- (d) Identify the floors if the drawing is not for all floors in a multiple-story building and identify activities on each floor.
- (e) **Identify all rooms by letters or numbers.**
- (f) Show the location of important stationary equipment by a suitable code which will be further identified on legends.
- (g) Explain on the blueprint or on the legend, by a statement or listing, which rooms are equipped with water outlets, drains, and lighting. Show the location of doors and windows.
- (h) **Show compass points.**
- (i) **Show building number.**
- (j) **Show date of preparation.**
- (k) **Apply signature of responsible official of firm.**

## Notes

### Authority

Authority: 21 U.S.C. 151-159; 7 CFR 2.22, 2.80, and 371.4.

### Source

Source: 39 FR 16854, May 10, 1974, unless otherwise noted.