Industrial Door Tender Packs That Prevent Costly Gaps

A door package can look straightforward on a drawing, yet it can affect security, fire safety, traffic flow, energy use, and daily production. Weak industrial door tender packs leave too much open to interpretation, which often leads to late variations, unsuitable products, and avoidable downtime.

A good pack gives every bidder the same site facts, performance targets, and handover expectations. It also lets the client compare prices on a like-for-like basis instead of choosing a low figure built on exclusions.

Start Industrial Door Tender Packs With a Clear Brief

The tender brief should state what the doors need to achieve in real use, not only what they need to look like. A roller shutter at a busy loading bay has different demands from a steel personnel door on an infrequently used plant room.

Set out the project address, programme dates, tender return deadline, contact details, and process for asking questions. Also identify the party with authority to approve substitutions, finishes, and technical details.

Define the required outcome

Explain the problem each opening must solve. For example, a warehouse may need frequent forklift access, a secure close at night, and low heat loss in winter. A production area may need a rapid roll door that separates clean and dirty zones without holding up staff.

State whether security, fire separation, insulation, speed, weather resistance, hygiene, acoustic control, or access for disabled users takes priority. When priorities conflict, bidders can recommend a suitable door type without making risky assumptions.

Identify the right door category

Tender documents should name the intended door type or permit alternatives where appropriate. Possible products include roller shutters, insulated sectional doors, high-speed doors, steel hinged doors, fire exit doors, PVC strip curtains, and security grilles.

For example, double-skinned, foam-filled steel roller shutters can suit openings where security and insulation both matter. Meanwhile, electrically operated shutters often make more sense than manual doors where pallets move in and out throughout the day.

A supplier should confirm whether a proposed alternative meets every stated performance requirement, rather than offering a vague “equivalent.”

Build a Door Schedule That Leaves No Guesswork

A numbered door schedule is the backbone of industrial door tender packs. Each opening needs its own reference, location, quantity, and concise specification. Link every schedule item to the correct drawing and elevation.

Do not rely on drawings alone. Dimensions can be unclear, and a plan rarely shows the headroom, side room, structural fixing face, or services that sit above the opening.

Record dimensions and interfaces

Include structural opening width and height, required clear opening, headroom, side room, wall construction, lintel details, floor levels, and threshold condition. Where measurements remain provisional, say so and state who must verify them before manufacture.

The schedule should also cover the surrounding works. Bidders need to know whether they must provide steel supportwork, trimming, flashings, sealants, trunking, power supplies, drainage interfaces, or making-good.

A door that fits the measured opening can still fail the project if its guides obstruct a vehicle route, its hood clashes with services, or its controls are beyond safe reach.

Describe the operating environment

Door performance depends on its setting. Record exposure to wind and rain, temperature changes, salt air, dust, washdown, corrosive processes, and the risk of vehicle impact.

Specify the expected daily cycles and peak-use periods. A door opening 20 times each day needs a different operator and maintenance plan from one opening 200 times during a shift.

Also state who uses the entrance. Forklift drivers, pedestrians, visitors, and delivery staff may all use the same opening. That detail affects control positions, vision panels, safety devices, bollards, and traffic management.

Set Technical Performance Before Choosing a Brand

A tender pack should ask bidders to submit a technical data sheet for every proposed doorset. The response must identify the manufacturer, model, material, finish, construction, controls, and all major components.

Avoid descriptions such as “heavy-duty shutter” unless the pack defines what that means. Demand evidence for the performance that matters to the site.

Security, insulation, and durability

Ask for the curtain or leaf construction, guide type, locking method, bottom rail, finish, and any resistance classification required by the security strategy. Steel shutters generally give stronger intruder protection than lighter options, while double-skinned curtains add stiffness and can improve thermal performance.

For insulated doors, specify the target thermal value where the building design requires one. Request product data rather than assuming that every insulated-looking door performs the same way.

Where a project needs recognised security testing, the tender can refer bidders to the doorset standards explained by Secured by Design. The required test level must match the assessed risk, not a sales preference.

Powered controls and safe use

State the preferred control method for each opening: internal push button, key switch, remote control, pull cord, access control, induction loop, or building-management interface. Include whether the contractor must provide the electrical feed and isolation point.

Powered doors need a complete safety approach. Require bidders to show how they will deal with entrapment, crushing, shearing, drawing-in, and impact hazards. Safety edges, photocells, light curtains, force limitation, warning devices, and emergency manual release arrangements must suit the opening and its users.

The HSE confirms that BS EN 12453:2017 and BS EN 12604:2017 cover safety requirements for powered doors, gates, and barriers in its guidance on revised powered-door standards. A tender response should identify the safety devices fitted, their location, and their test method.

Ask for Compliance Evidence, Not Broad Promises

A statement that a door is “fully compliant” has little value without documents behind it. Request a compliance matrix that maps each schedule item to the relevant standards, declarations, test reports, and installation limits.

For industrial, commercial, and garage doors, BS EN 13241 is the key product standard. The DHF industrial door guidance is a useful reference point when setting the evidence required.

Match standards to the actual opening

Do not apply the same standard to every door. BS EN 12453 is relevant for powered industrial and commercial doors. BS EN 16005 applies to power-operated pedestrian doors, so it may be relevant at an automatic entrance but not as the main standard for a vehicle shutter.

Require the bidder to provide the applicable Declaration of Performance or Declaration of Conformity, marking information, test evidence, and product limitations. If the tender permits named alternatives, each bidder should submit the same evidence for their proposed equivalent.

The documents should also list the installer qualifications, relevant insurance, and examples of comparable work. This is particularly helpful for high-cycle doors, large openings, hospital sites, and projects with demanding access controls.

Treat fire doors as complete assemblies

Where an opening forms part of the fire strategy, name the required fire performance and identify the wall type, frame, seals, hardware, glazing, hold-open equipment, alarm release, and self-closing function. A fire-rated leaf or shutter is not enough if unsuitable components or site alterations change the tested assembly.

For residential buildings in England with relevant duties, consult the government’s Fire Safety (England) Regulations 2022 fire door guidance. On any project, the door supplier’s proposal must align with the fire strategy and Building Regulations approach adopted by the design team.

Include the principal designer and principal contractor responsibilities where the Construction (Design and Management) Regulations 2015 apply. Ask who will add the final records to the health and safety file.

Make Pricing, Programme, and Exclusions Easy to Compare

A tender total means little when one contractor includes access equipment, wiring, and commissioning while another leaves them out. Use a pricing schedule that breaks down each door reference and every supporting item.

Ask bidders to state lead time, manufacture period, installation duration, required access, and any closures that could disrupt operations. A contractor should also identify which doors can be installed out of hours or in phases.

Request an itemised price return

The price schedule should show:

• Supply, delivery, installation, testing, and commissioning costs for each door.
• Controls, safety devices, access equipment, electrical works, builders’ works, and waste removal.
• Optional items such as remote fobs, vision panels, powder coating, bollards, spare parts, and extended warranties.
• Separate prices for planned maintenance, reactive repairs, and any training required at handover.
• Clear exclusions, qualifications, provisional sums, and assumptions behind the tender figure.

This format exposes omissions before contract award. It also helps the client decide whether a higher initial cost will reduce later disruption or maintenance spend.

Include realistic programme constraints

State delivery booking procedures, working hours, welfare arrangements, permits, parking rules, security checks, and safe segregation from staff or public areas. For a live warehouse, also explain where vehicles will divert while an existing door is removed.

Bidders should submit a method statement and risk assessment with their tender or before work begins, depending on the procurement process. Large shutters, barrels, motors, and tracks may need lifting equipment, so the pack should require a lifting plan where relevant.

If the project is publicly funded, award criteria and mandatory documents need to be transparent and auditable. Give technical quality, programme, price, and aftercare clear scoring weightings. A vague scoring method encourages vague tender returns.

Specify Installation, Handover, and Future Maintenance

The works do not end when the door first opens. The tender should state how contractors will protect completed finishes, remove redundant equipment, test every function, and deal with snagging.

Request confirmation of fixing methods and structural suitability before installation. A door engineer may identify weak masonry, damaged lintels, uneven floors, or restricted headroom during survey. Resolve those issues before fabricated products arrive on site.

For complex openings, a free door installation survey can establish accurate measurements, access conditions, control positions, and the supporting works needed before the specification is finalised.

Make commissioning measurable

Commissioning should cover more than a single open-and-close cycle. Require checks of travel limits, reversing action, safety edges, photocells, emergency release, locking, alarms, control devices, fire interfaces, and manual operation after power loss where applicable.

Ask the contractor to provide signed test records, defect reports, photographs where helpful, and a list of items needing follow-up. Site staff should receive practical training on normal use, daily visual checks, isolation, and what to do when a door fails.

The handover file should include as-built drawings, wiring diagrams, operating instructions, maintenance manuals, warranty documents, asset numbers, serial numbers, and spare parts information.

Put servicing into the contract plan

High-use doors suffer wear at guides, rollers, safety sensors, brakes, chains, and drive components. A maintenance plan gives the facilities team a named contact, inspection frequency, reporting format, and response time for faults.

Request a schedule based on the manufacturer’s instructions, operating cycles, environment, and risk assessment. Fire functions and safety devices may need more frequent attention than a lightly used manual door.

Build a price for industrial door maintenance into the tender return. It is easier to budget for planned inspections than to deal with a stuck shutter that leaves stock exposed or blocks a loading bay.

A Tender Pack Should Support the Door’s Whole Life

Strong industrial door tender packs replace assumptions with evidence. They define each opening, demand proven performance, set safety and fire requirements, and require a transparent price for installation and aftercare.

A precise pack also gives bidders a fair basis for proposing doors that fit the site and its daily routine. That protects the project budget long after the installation team leaves.

For help turning site requirements into a clear scope and survey plan, Contact Us.