Stages and drape
BilJax AS2100: leg seating, hooks and alignment brackets
Check the AS2100 aluminum stage against its assembly revision: full leg seating, deck-hook orientation and corner alignment before use.
Identify the platform
AS2100 is a modular aluminum staging system. This guide covers the pin-and-wing-bolt fittings illustrated in BilJax manual LL-204-51, October 2019. Match the deck and hardware to that revision before applying its steps; a different fitting requires its own instructions.
What the published specifications cover
- Example deck reference
- C105-20-7: 4 × 8 ft, black Quadripple surface. Other deck references and shapes are separate selections.
- Mechanical interfaces
- Leg sockets, interlocking rail hooks and corner alignment brackets. These are mechanical connections; no signal or electrical supply is required for the platform itself.
- Telescoping legs in the cited manual
- Minimum tube overlap: 6 in. Identify the specified tubes, base pad and snap pins before setting length.
The load table in the manual depends on deck size, number of legs and maximum height. A rating for another row is not transferable to your layout. Concentrated equipment loads and ground bearing need review by a competent professional.
Choose a stage for speakers and awards
For a panel, sketch occupied chairs, the table and moderator space; for awards, add arrival, presentation and departure routes. Compare usable platform space with the total access and audience circulation footprint. Choose the surface, height and accessories around that route and floor conditions, retaining identification of the AS2100 decks and hardware.
Deck, supports and accessories
Specify decks, legs, base pads, corner alignment brackets, required bracing and the correct access and guardrail components. A deck SKU does not establish that these accessories are included. The manual requires mudsills outdoors and horizontal bearing surfaces; it does not size a universal ground-support pad.
Prepare the configuration
- Record deck and support references, layout, intended finished height and loads. Confirm which manual revision applies before assembly.
- For the cited fittings, the leg must be fully inserted until it touches the underside of the deck; the pin retains it but is not a load-bearing member. Secure the wing bolt as instructed. Inspect only with the assembly unloaded and safely accessible.
- Follow the hook orientation and alignment-bracket arrangement in the manual, then its bracing plan. Above 30 in the cited manual requires bracing; this threshold does not replace the full arrangement or project review.
Selection, quotes and troubleshooting
The pin engages, but a leg does not reach the deck. Is that enough?
No. In the October 2019 fittings, a pin position alone does not establish correct support. Keep the bay unloaded; compare socket depth and the leg’s full insertion with the manual’s correct/incorrect drawings. Do not rest the deck on the pin, drill another hole or modify the leg. Have an unresolved obstruction or mismatch corrected through the responsible supplier.
Two decks will not seat together. What should I check?
Compare their rail-hook orientation and starting corner with the layout before lowering the next deck. Check for damage and obstructions with the sections unloaded. Verify the required corner alignment bracket is fully seated and secured as documented. Do not hammer the hooks or substitute a clamp for the specified bracket.
To discuss the issue with GLMedia, identify the decks that will not seat, their references and their positions in the layout. For an awards presentation or panel, we can assess a documented replacement deck or a layout that meets the program brief. Changing the stage shape also requires review of supports, access and circulation before use; a preliminary alternative does not release the affected area.
Can I omit legs or bracing because the next deck shares a support?
Shared support follows the manufacturer’s row sequence and the selected load-table configuration, not a general rule per square foot. Mark each leg, intermediate support and bracket on the layout and check the bracing instructions. Keep an undocumented bay out of use. Do not use a people-on-stage test to establish capacity.
How do we plan a stage for a panel and an awards presentation?
For a panel, mark the table, occupied chairs, lectern, moderator and equipment, as well as entry and exit space. We can compare AS2100 decks, finishes and accessories against the program layout. Usable deck area is distinct from the space for access, audience seating and circulation.
For awards, add who hosts, who presents and who receives, whether an individual or group goes onstage, where they wait and where the photo is taken. Describe the access requirements identified by the organizers. We can assess retaining one platform with furniture changes or a different layout; routes and people’s needs must be reviewed before defining access, height and edge protection.
To prepare a proposal, we can distinguish platform and supports, access and edge protection, finish, and delivery or installation scope to be agreed on. If you need equipment to integrate with existing stock, identify known references and who will coordinate that integration. This lets the initial inquiry move forward without assuming accessories or work that still need to be defined are included.
What if we add a performance after the conference?
Tell us what changes: performers, instruments, movement, equipment and transition time. We can consider retaining the layout, revising the program or assessing another platform. Loads and access must be reviewed before use. The proposal can distinguish equipment, preparation and assistance to be agreed on, even when initial dimensions are approximate.
Before anyone uses the stage
Keep people off staging while supports or connections are adjusted. Stop for movement, settlement, damaged hooks or missing brackets. Guards, access and exterior conditions must be checked for the actual installation; a modular deck is not a roof or an approved attachment point for suspended equipment.
Manufacturer documentation
Awards: waiting, photography and an exit route
Draw an individual presentation and a group presentation on the same plan. Allow positions for the presenter, handover, photograph and exit; mark where the next recipient waits and where the camera frames the shot. Waiting and backstage travel need their own space: do not count them as clear photo area or public circulation.
If the group photograph does not fit the usable area, compare a separate photo location, another presentation sequence or a larger documented layout. The proposal can separate platform, access, front finish, rehearsal and coordination staff. Confirm sightlines and routes with production and the venue before fixing height; raising the stage does not resolve an obstructed shot.
Grass or uneven ground: survey before leveling
A grass photograph establishes neither soil bearing capacity nor horizontal support locations. Survey level changes, soft areas, moisture or drainage, buried services and load-in route with the venue. The AS2100 manual requires load-spreading support outdoors; it provides no universal size for every soil. An adjustable leg does not replace that assessment.
If the ground is soft or the survey remains unresolved, compare a firm alternative location or a documented system for actual conditions. Separate survey, ground preparation, supports, stage and existing-finish protection in the proposal; identify who resolves and accepts each scope. Roof, wind, truss and lifting require separate rigging coordination, with no assumed support or suspension from the platform. If settling or movement appears, close the area and request review; do not adjust it with people above.
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