Digitization Lab
Planning
for Archives

Consider a director of a regional historical society reviewing schematic design drawings with her architect. The capital project is modest by institutional standards: a renovation of roughly 4,500 square feet in a building the organization has occupied for three decades. One of the proposed spaces is a combined digitization and processing room, consolidated into 400 square feet to keep the project within budget. The architect notes that this kind of combination is common. The director, whose staff have been digitizing on a flatbed scanner in an unused corner for two years, has no reason to doubt it.

What neither of them has worked through is that the digitization lab and the archival processing room carry environmental profiles that are, in several key respects, in direct conflict. Processing rooms for fragile paper-based materials operate at stable temperature and humidity conditions closely aligned to those of the adjacent storage vault. Digitization operations generate heat load from scanning equipment, high-intensity lighting rigs, and monitor banks, creating thermal variance that must be managed independently if materials present during capture are not to be subjected to conditions that accelerate their deterioration. The room also requires a power infrastructure that a standard processing table configuration does not demand: dedicated circuits, stable voltage supply, and in a sustained production program, cooling capacity for rack-mounted network equipment.

Combining the two functions is not impossible, but it requires deliberate mechanical design, specific electrical specification, and a workflow sequence that prevents the two environments from competing with each other. That design work cannot happen on a construction site. It can only happen during programming, when walls, mechanical chases, and electrical panels are still lines on paper.

This is precisely the moment that library technology roadmap consulting addresses: the gap between institutional aspiration and buildable specification, resolved before the project is committed to concrete and steel.

The environmental standards that govern archival storage do not apply directly to the digitization lab, but they are not irrelevant to it either. The two environments share a wall, exchange materials on a daily basis, and in many configurations share an HVAC zone. Getting the boundary conditions right requires understanding both environments simultaneously.

Archival storage for general paper collections is typically maintained at 65 to 70 degrees Fahrenheit with relative humidity between 30 and 50 percent, held to daily fluctuations of no more than plus or minus two degrees and three percentage points. Photographic and film collections require cooler, drier conditions: temperatures between 35 and 65 degrees Fahrenheit depending on format, with relative humidity between 30 and 40 percent. Magnetic media calls for 60 to 70 degrees Fahrenheit and relative humidity between 20 and 30 percent. These conditions require dedicated HVAC systems entirely separate from those serving the rest of the facility, with filtration rated at MERV 14 or higher for particulates and supplementary gas-phase filtration for chemical pollutants. NARA's storage standards require 100 percent redundancy in air handler capacity for holdings areas, so that maintenance or equipment failure does not compromise preservation conditions.

The digitization lab proper may be maintained at normal office-level conditions. NARA explicitly permits normal office lighting levels in digitization, preservation, and conservation areas. But the transition between the two environmental zones demands deliberate design. NARA's storage supplement requires vapor barriers between any two areas with different humidity and temperature requirements. Where the processing room serves as a vestibule to the storage vault, as NARA recommends, the digitization lab must not be allowed to substitute for that vestibule without meeting the same thermal buffering function. The fire resistance rating between holdings storage and adjacent processing spaces is set at two hours; this is not a code minimum to negotiate away but a planning datum to build around.

Light management is not optional in any space where archival materials are present, even temporarily. Light damage is cumulative and proportional to exposure. While digitization areas may operate at normal office illumination during production work, natural light must be excluded from storage rooms, and windows in any lab or processing area should be equipped with blackout curtains, UV filters, or equivalent barriers. The scanning environment itself carries its own lighting demands that complicate this further: production digitization studios typically use dark-painted walls and tightly controlled artificial lighting to manage the brightness and contrast of materials under the camera. Ambient natural light reaching the camera stage makes consistent exposure calibration impossible and introduces a preservation risk for materials brought out of controlled storage.

Air quality restrictions extend to construction and finish materials throughout the entire wing. Polyurethane foams and paints, oil-based coatings, vinyl tile, formaldehyde-emitting compounds found in particleboard and interior-grade plywood, and unsealed concrete are all prohibited in holdings areas and in any space through which archival materials pass. A four-week aeration period after construction is complete and before holdings enter any adjacent or connected space is a minimum industry standard, and mechanical contractors are typically held under contract for twelve months post-occupancy to maintain and adjust environmental systems as conditions stabilize.

The digitization lab does not operate in isolation. It sits at the intersection of physical collection management, including intake, processing, and storage, and digital infrastructure. Positioning it correctly within the facility requires a workflow map before an adjacency diagram, because the physical relationships between rooms should follow the sequence in which materials move, not the sequence in which available square footage happens to fall.

The movement of archival materials through a digitization program runs in well-defined stages: selection and preparation, which may include condition assessment, minor conservation treatment, and rehousing for transport; staging before the camera; image capture; quality review; metadata and descriptive work; and return to storage. Each stage has its own space requirement, and each transition between stages represents a handling event. For fragile materials, every handling event is a risk event. The goal of adjacency planning is to minimize both the distance and the number of transitions materials must undergo between storage and the camera stage and back.

The Society of American Archivists functional spaces guidelines recommend that preparation and staging areas be located adjacent to or directly accessible from storage, so that materials travel the shortest possible path before entering the production zone. The digitization lab itself should sit adjacent to both the processing room and the staging area, with clear circulation paths that accommodate the carts and flat-transport vehicles used to move oversize items. If the program supports audiovisual reformatting in addition to still imaging, additional station footprint and circulation clearance for equipment handling must be integrated into the program from the start. These are not refinements to be addressed in furniture specifications; they are primary drivers of room dimension.

Security and access control complicate the adjacency problem in ways that must be resolved in programming. Holdings areas require the same access controls as archival storage; the SAA guidelines require that temporary collection holding spaces, including those used in digitization staging, operate at the same security level as the vault. Workflow adjacencies that make intuitive production sense can conflict with the security segmentation that protects the collection. When external digitization vendors bring staff and equipment into the facility, as is common in institutions contracting with service bureaus, the question of how their access is managed relative to the institution's security perimeter must be answered before room locations and door hardware are specified. Discovering this conflict during design development is costly. Discovering it after occupancy is worse.

The environmental controls for the lab's neighboring spaces establish one more adjacency constraint. Holdings storage rooms must be kept under positive air pressure relative to adjacent spaces, particularly those near loading areas. Food preparation areas and spaces where woodworking or painting occur must be maintained under negative pressure. The loading dock must have its own supply and exhaust system, and air intakes for the holdings wing must be located at least twelve feet above ground level and away from areas of vehicular traffic. The digitization lab, as a space through which archival materials regularly pass, cannot be positioned where these pressure relationships are violated without mechanical design that explicitly addresses each one.

Single-station occasional use, multi-station sustained production, or vendor-intake model? The answer determines room size, electrical service, cooling load, network capacity, and storage infrastructure scale. A room designed for occasional use cannot be economically upgraded to production scale after the fact; the mechanical and electrical infrastructure must be right-sized from the program document. Throughput modeling, calculating items per hour per station, number of active stations, QA review capacity, and post-processing workload, should be completed before the mechanical engineer receives a brief.

Document every stage materials pass through from vault to delivery of digital files and back, and assign each stage its spatial requirement. Include intake, condition assessment, preparation, staging, image capture, quality assurance, metadata and descriptive work, and return to storage. Room sizes and adjacencies must follow the workflow map. Any adjacency diagram built without this sequence will produce a building that fights its own workflow.

Determine which climate zone the digitization lab occupies relative to adjacent spaces, what transition requirements apply including vapor barrier locations, vestibule functions, and positive and negative pressure differentials, and how the HVAC serving the lab will be zoned relative to the dedicated system serving the adjacent vault. Establish which construction and finish materials are prohibited in the lab and in every adjacent space through which holdings will pass. These parameters are set by the program, not by the engineer.

Identify the number and type of capture stations, their individual power requirements, the network topology connecting them to quality assurance workstations and long-term storage systems, and the storage capacity required at program launch and at projected growth points three and five years out. Have the institution's IT or digital infrastructure staff review these specifications against the existing network architecture before design development begins. Storage infrastructure planned only for day-one requirements becomes the program's primary bottleneck within a few years.

Determine which spaces within the digitization workflow must maintain the same access controls as archival storage, which can operate at staff-level access, and how external digitization vendors who bring personnel and equipment into the building are managed within the security perimeter. These decisions affect door hardware, surveillance camera placement, and alarm zone configuration throughout the wing. They must be specified in the program document so that the architect and security consultant design to the same standard from the first schematic drawing.

These questions belong on the agenda of the first programming meeting between the institution and its planning consultant. Any one of them left unanswered when schematic design begins will resurface as a field change, an operational limitation, or a capital reinvestment that the institution did not budget for.

What is the projected production scale of this digitization program, and has that projection been modeled against staffing, electrical load, cooling requirements, and storage infrastructure capacity?

The answer to this question determines whether the lab is a single-workstation room or a multi-station production facility, and that distinction governs every mechanical and electrical specification that follows. Institutions that answer this question after the mechanical engineer has begun work pay significantly more to correct it.

How does the HVAC serving the digitization lab relate to the dedicated system serving the adjacent storage vault, and what is the design for the vapor barrier, vestibule function, and pressure differential at the boundary between them?

This is the most technically demanding boundary condition in the entire digitization lab program. The two zones must be mechanically separated, and the transition design must be specified in the program document before the mechanical engineer begins work. See Special Collections Environmental Controls Planning for the full standards framework.

What are the access control requirements for each stage of the digitization workflow, and how do those requirements align with the security zoning of the facility as a whole?

Access control is not a security system specification problem. It is an adjacency and workflow problem that must be resolved in programming. Each stage of the digitization sequence has a different access profile, and those profiles must map onto the facility's overall security zoning before room locations are set.

Has the institution modeled network bandwidth requirements for simultaneous file transfer between capture stations, quality assurance workstations, and long-term archive storage under full production conditions?

Network bandwidth is as much a building infrastructure question as it is an IT question. The conduit, patch panel locations, and riser capacity that support the data network are built into the walls before the IT team specifies equipment. The two planning streams must be synchronized in the program document, not reconciled during construction.

What materials are proposed for construction and finish in the digitization lab and adjacent processing areas, and have they been reviewed against the prohibited materials list that applies to holdings spaces throughout the wing?

The prohibited materials list for archival holdings extends to every space through which collection materials pass, not only to the vault itself. This review must happen before specifications are issued. Post-occupancy discovery of prohibited materials typically requires remediation that closes the lab and displaces operations for weeks.

If external digitization vendors will use the lab, how is their physical access to the facility managed relative to the institution's security perimeter, and where is that decision documented in the program?

External vendor access is a planning and programming question before it is a security operations question. The answer determines how the digitization lab is positioned relative to the building's access control zones, what escort protocols are required, and whether a separate vendor entry point must be programmed. These are room-location decisions, not policies to be drafted after occupancy.

Discuss Your Digitization Program

Section 7: Functional Spaces, Archival Facility Planning Guidelines

Designing a High-Volume Digitization Lab: Infrastructure, Workflow, and Throughput Planning

Strategy for Digitizing Archival Materials for Public Access, 2015 to 2024

Digitization Advances Innovation, The George C. Marshall Foundation

Supplement 1: Storage Standards for Archival Facilities, National Archives and Records Administration