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ERPNext is the only system of record; we build tools on it

User (October 2026): we only build tools and interfaces that interact
with ERPNext; invoices, stock and the rest are kept there, except
telemetry and other machine data.

digital-factory.md: standing decision, decisions 2, 3, 6, 7 and 10
rewritten (ERPNext holds every record of the business and of production,
including artist gates, metal-part genealogy as serial numbers with
parents, and quality inspections; the machine-data store keeps only
cycle and record rows, the hash chain and time series, keyed to ERPNext
names; ERPNext first, then custom fields or document types in cnx_erp,
then a tool, never a second business database). Systems table,
architecture labels, factory application section (modules as a table:
records in ERPNext, what we build, machine data outside; our only tables
are the machine-data ones), ownership table, integration rules 4 and 8,
phasing and estimates (cnx_erp app 2 to 3 person-months; total 3.5 to 6).
artist-platform.md: campaigns are an ERPNext document from launch, pledges
post as advance payment entries; traceability, README, facility security
(archive location on the serial number), production timeline (sets per
mother on the mother's serial number), crane-workshop spares store,
total-investment.

Factory console: KPI row no longer touches the postings card (user
screenshot); ERPNext page, order card, sidenote and ledger say every
record lives in ERPNext and only machine data stays outside; new
postings for artist gates, stamper metrology inspections, stamper set
serial numbers (grown, retired with play count). Checked headless:
Edge dark and light, 1440/1024/390, no overflow or page errors, rows
aligned, pw_fc, pw_wo, pw_feed and pw_erp pass.

2026-10-16 12:14:52 +07:00

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Raw Blame History

Facility: Security and Site Systems

What the plant needs beyond the production machinery. Access control, CCTV, and whole-factory HVAC control are set requirements; the rest of this list is what a plant of this profile definitely needs, to be refined during site design.

Climate control: whole-factory HVAC

The entire factory runs under continuous HVAC control, covering temperature, humidity, and particulate matter (PM). This is a set requirement, not an option per room.

Temperature and humidity: the process spec already demands 20-26 °C at 35-60% relative humidity for pressing; the same conditioning extends to the whole building so materials, masters, packaging stock, and electronics never sit outside controlled conditions. PVC compound and paper packaging are both humidity-sensitive.
Particulate matter: filtration for the whole plant, with stricter tiers by zone. Dust in a groove is an audible defect, so the cutting room and galvanics clean room run at the tightest spec with positive pressure; pressing and packaging run cleaner than ambient; offices and logistics at a baseline tier. Northern Thailand's burning season (roughly February to April) brings some of the world's worst PM2.5 episodes, so intake filtration and building tightness must be designed for those peaks, not for average days.
Continuous monitoring and alarms: temperature, humidity, and PM sensors logging in every zone, with alarms on excursions, tied into the plant monitoring below.
Energy design: conditioning a whole factory in a tropical climate is a major electrical load on top of the process cooling (up to ~650 kW for the five presses), and it must be included in the solar PV and battery sizing from the start. Heat recovery from the press hall (steam, hydraulics, and hot PVC all reject heat) and from compressors should feed the design rather than fight it.

Physical security

Access control: zoned, not just at the gate. Minimum zones: general production, galvanics clean room (controlled access is already a safety requirement), chemical storage, master/stamper archive, server/IT room, finished goods and shipping, and the visitor corridor. Badge or biometric, with logs.
CCTV: entrances, perimeter, loading dock, production floor, chemical storage, archive. Retention policy to be defined; Thai PDPA (personal data protection) applies to camera footage of staff and visitors.
Intrusion alarm with monitoring, covering off-hours.
Perimeter and lighting: fencing appropriate to the site, lit approaches and parking.
Visitor management: sign-in, escort rules, no unaccompanied access to production or galvanics. Tours run through the glazed visitor corridor (crane, workshop and tours), which keeps visitors out of noise, dust and plating air and so needs no PPE; anyone who goes onto the floor itself is escorted and issued PPE at entry as before.

Protecting the irreplaceable

Master and stamper archive: fathers and mothers are unique metal parts; a destroyed father can mean re-cutting and re-plating a release. The archive room needs fire-rated construction or safes, climate control, access logging, and an off-site strategy for the most critical masters.
Client audio: pre-release music is a high-value leak target, and labels ask about it before they send masters. Isolated storage for client files, encrypted transfer and at-rest storage, strict need-to-know access, and a written policy the sales team can show clients.
Chemical inventory: silver nitrate is valuable and regulated; nickel salts are hazardous. Locked storage, inventory tracking, and controlled issue to the galvanics team.

Archive room: mobile shelving

Planned (October 2026): the archive in the office is fitted with mobile archive shelving, carriages on floor rails that close up into one block and open a single aisle where it is needed. The reference is A-Z Solutions' archive shelving (Vienna; fahrbare Archivregale, https://www.a-z-solutions.eu/buero-archiv/archivregale, checked October 2026): hand wheel or electric push-button drive, optional front panels, lockable, and the vendor asks to be involved early because the rails set requirements on the floor and the room layout. Prices are not published.

What it holds. The father and the mother of every side (decided October 2026, galvanics): 4 parts per title, about 1,200 to 2,400 a year at full capacity, in protective sleeves, standing in labelled boxes. Also paper records that have to be kept as originals. A reference pressing of every title could go here too; that is a proposal, not decided.

Size, estimates. A 12" father or mother grows on a 14" lacquer: about 35 cm across, 0.25 mm thick, ~9.6 dm² (plant operation and galvanics figures), so about 0.2 kg of nickel. In a sleeve with a separator, assume ~3 mm of shelf per part: ~330 parts and ~75 kg per shelf metre, on 400 mm deep shelves with ~400 mm clear height, five levels to ~2.2 m. In the Payap scenario's office the archive is a ground-floor room of about 4 × 5.75 m (site candidates). With the rails along the long side it takes two fixed single-sided runs, four double-sided carriages about 3 m long and one ~0.9 m working aisle: ~150 shelf metres, roughly 50,000 parts, which is 20 years or more of fathers and mothers at full capacity. Static shelving with an aisle between every pair of runs would hold about 60 % of that.

What it asks of the building.

Floor load. Fully loaded, a double carriage carries about a tonne per metre of length: ~11 kN/m² under the shelving block and ~6 kN/m² averaged over the room (estimates), above an office floor. The archive stays on the ground slab, and that slab keeps the full rating if the slab is zoned lighter under offices (phase 1 RFQ).
Rails. Set into the floor screed during fit-out, or on a raised floor ramped at the door, so the shelving layout and the rail positions are fixed before the floor finish. Rail type, depth and floor flatness tolerance come from the shelving supplier.
Drive. A geared hand wheel with an aisle lock is enough for a room one or two people use and has nothing to fail; electric drive is an option, not a need.
The room around it stays as above: clean-agent gas suppression (the suppression designer confirms the agent reaches into the closed carriage block), climate control with the archive in the tightest monitoring tier (digital factory), a water-leak sensor along the rails, lockable carriages behind the room's access control.
Locations. Every box carries a barcode and every position an address (carriage, face, level, slot); each part's serial number in ERPNext carries its archive location, so a repress order says which box to pull.

Open points.

Quotes: A-Z Solutions and LPI Rack Range (Thailand), a Bangkok manufacturer of office mobile shelving and industrial racking (supplier map), against the same spec (carriages ~3 m, five levels, 400 mm shelves, at least ~100 kg per shelf level per metre, geared hand wheel with aisle lock, central lock, rail embedding detail, delivery and installation in Chiang Mai). Steel shelving shipped from Austria is heavy, so the A-Z system is the reference spec rather than the default buy.
Storage format: sleeves, boxes, passivation and humidity for archived nickel parts, from the galvanics vendors (open questions).
Two compartments: with fathers and mothers in one room, one event can take both. Keeping the fathers (rarely pulled) in a second fire compartment or off site, and the mothers (pulled for every repress) in this room, would meet the off-site point above.

Fire and life safety

Fire detection and alarm throughout; suppression matched to each zone (hot PVC and hydraulic oil in pressing, chemistry in galvanics, paper and cartons in packaging/finished goods, and the boiler room).
Boiler room safety: the steam generator (10 bar, 180 °C) needs its own room, safety valves, fuel shutoff interlocks, and inspection per Thai boiler regulations (Department of Industrial Works requirements, licensed boiler operator).
Emergency equipment in galvanics: eyewash stations and emergency shower at the plating line, spill kits, and neutralizing agents.
Emergency lighting, marked exits, assembly point, and first-aid coverage on every shift.

Suppression design position: zoned, not full-building gas

A full-building gas suppression system is ruled out: gas agents only work in sealed volumes that can hold concentration, which a ventilated production hall with people and loading doors cannot, and CO2 flooding is lethal in occupied spaces. The design position is zoned suppression:

Clean agent gas (FK-5-1-12, sold as Novec 1230, or inert gas such as IG-541) only in small, sealed, high-value rooms: the server/IT room, electrical switchrooms, PLC/control cabinets (in-cabinet micro systems), and above all the master/stamper archive, where sprinkler water would destroy lacquers and paper records and corrode the metal parts even in a minor event.
Water (sprinklers, or water mist where equipment matters) for the large spaces: production, warehouse, and packaging/finished goods, where paper cartons are the largest fire load in the building. The press hall's specific risk is a hydraulic oil spray fire (200 L at 180 bar); water mist handles oil fires well and is gentler on machines than deluge.
Battery stack (BESS): gas does not stop lithium thermal runaway. Per NFPA 855 practice the stack needs off-gas and early-smoke detection, electrical isolation on alarm, physical separation from production (ideally its own enclosure), and deflagration venting. Detection and containment over suppression.
Galvanics: low fire load (aqueous baths); local clean-agent protection for rectifier cabinets is sufficient.

Fire water supply

Sprinklers, water mist, and hose reels are only as good as the water behind them. Mains pressure and flow in Mueang Chi cannot be assumed adequate for a sprinkler demand, so the site carries its own reserve and pumps.

Stored reserve: ~200 m³, in a dedicated fire water tank (planning figure: 9 m diameter × 4 m, roughly 204 m³ usable above the pump suction). Basis is an Ordinary Hazard Group 2 sprinkler demand of about 1,100 L/min over the design area, plus a 950 L/min hose-stream allowance, held for 90 minutes. This is a planning estimate, not a fire-engineering calculation — the real number comes out of the hydraulic design.
Dedicated, not shared: the reserve is not drawn on by process or sanitary water, and the tank refills automatically.
Fire pump set: duty pump, standby pump, and a jockey pump holding ring-main pressure, in a pump house beside the tank. The duty pump needs a power path that survives a plant trip (diesel drive, or a supply ahead of the main breaker) — the BESS is not a substitute.
Ring main and hydrants around the building, laid out so an appliance can reach any elevation, with the yard kept clear for access.
Siting: the tank stands in the front yard between the road and the building, reachable directly from the frontage without entering the production yard. At 4 m tall it sits well below the building's 7 m low eave, so it never shades the roof PV.

Warehouse racking height drives the real number. If finished-goods storage goes above roughly 3.7 m, the commodity classification and sprinkler design change, and the stored volume grows with them. Fix the racking height before the fire design is frozen, not after. The Payap scenario model draws the 9 m × 4 m tank with its pump house at the front. It also draws 6 m warehouse racking and about twice the floor area this figure was based on, a paper store among it, so treat ~200 m³ as a floor there, not as the answer.

The property insurer will drive much of the final specification, so involve them before the design is fixed. The archive gas system and the BESS detection affect room layout and belong in the site design brief early.

Plant systems and monitoring

Utility monitoring and interlocks: fume-extraction interlocks on the galvanics line (no extraction, no plating), steam and compressed-air pressure monitoring, leak detection, and safe-shutdown sequences.
UPS and controlled shutdown for the IT room, access control, alarms, and the press PLCs (a power cut mid-cycle should never leave a press in an unsafe state; the battery stack can carry critical loads).
Lightning protection and grounding: northern Thailand has intense storm seasons; the PV array, steel structures, and electronics all need a proper LPS and earthing design.
Environmental monitoring: the whole-factory HVAC monitoring above (temperature, humidity, PM in every zone), with the archive and clean room as the most tightly alarmed spaces.

Compliance anchors (Thailand)

Factory license (Ror.Ngor. 4) and Department of Industrial Works requirements for the machinery classes and chemical quantities involved
Boiler registration and licensed operator requirements
Hazardous substance registration for the plating chemistry
PDPA compliance for CCTV and personnel data
Local fire codes and building permits during construction

All of this belongs in the site design brief, so contractors quote it from day one rather than retrofitting it.

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