From 0a4f47a5cc820008fb2f0dc312ce7b2684fc0e28 Mon Sep 17 00:00:00 2001 From: grabowski Date: Fri, 17 Jul 2026 12:51:04 +0700 Subject: [PATCH] Split README into topic documents - README reduced to overview with linked document index - docs/equipment/pressing-line.md: fleet strategy, Newbilt plan, site reqs - docs/suppliers/vendor-landscape.md: researched vendor narratives - docs/sustainability.md: solar, zero-discharge water, materials - docs/worker-safety.md: training, clean rooms, PPE - docs/facility-security.md: access control, CCTV, archive/audio protection, fire and life safety, plant monitoring, Thai compliance anchors --- README.md | 245 ++++------------------------- docs/equipment/pressing-line.md | 44 ++++++ docs/facility-security.md | 75 +++++++++ docs/suppliers/vendor-landscape.md | 73 +++++++++ docs/sustainability.md | 73 +++++++++ docs/worker-safety.md | 22 +++ 6 files changed, 320 insertions(+), 212 deletions(-) create mode 100644 docs/equipment/pressing-line.md create mode 100644 docs/facility-security.md create mode 100644 docs/suppliers/vendor-landscape.md create mode 100644 docs/sustainability.md create mode 100644 docs/worker-safety.md diff --git a/README.md b/README.md index 582f857..deaa61f 100644 --- a/README.md +++ b/README.md @@ -34,9 +34,8 @@ In-house galvanics (steps 3 and 4) removes the dependency on overseas stamper suppliers, a common bottleneck for pressing plants, and shortens turnaround for clients. Partnering with local carton manufacturers keeps packaging sourcing close to the plant, in line with the local-sourcing preference for -materials. The current planning documents cover the pressing line (steps 5 -and 6) in detail; equipment, partners, and budgets for the other steps are -open planning items. +materials. The pressing line is documented in detail; equipment, partners, +and budgets for the other steps are open planning items. ## Project Status @@ -50,225 +49,47 @@ open planning items. - A collaboration with [Resurrec](https://www.resurrec.com/) is under discussion. -## Pressing Line: Equipment Plan +## Planning Documents -The target press fleet is a **50/50 split between fully automated and -semi-automatic presses**: automated presses for standard production volume, -and semi-automatic presses for splatter and other color effects, special -editions, and small runs, where an operator working the mold directly is an -advantage rather than a cost. The semi-automatic side is covered by the -Newbilt evaluation below; a fully automated press line is an open -procurement item. +The detail lives in dedicated documents: -The core semi-automatic machinery under evaluation comes from -**Newbilt machinery GmbH** (Alsdorf, Germany): - -- **Newbilt Single 2.1 system**: one VEX 50 extruder feeding one HRP 12 - hydraulic press (~150 t press force), pressing 12" records at 140 or 180 g - with a Newbilt book mold set. A Vario trimmer handles 12" cuttings, with - a 7"/10" upgrade path. -- **Duplex upgrade path**: the hydraulic aggregate is already sized for a - second press, and an additional press and extruder are quoted options, so - the plant can scale from Single to Duplex without replacing infrastructure. -- **Supporting equipment**: label dry oven, shrink wrapper, PVC grinder - (scrap feeds back as the ~20% recycled share of the feedstock), 7" center - label punch, buffer spindles and separator plates. - -The June 2024 Newbilt quotation totals **≈ €200,500** including freight from -Alsdorf to Thailand and seaworthy packaging. Two major utility systems are -deliberately excluded and will be **sourced and installed locally in -Thailand**: a ~400 kg/h steam generator (with water treatment) and a ~250 kW -cooling water system. The quotation has passed its validity date and will need -re-confirmation before ordering. - -Site planning for the semi-automatic line works from Newbilt's Duplex -requirements: roughly 200 m² of production floor, 32 kVA connected -electrical load, saturated steam at 10 bar, -and compressed air and cooling water circuits, plus side rooms for materials, -compressor, chiller, and finished goods. - -## Vendor Landscape - -Research on candidate vendors for the rest of the chain (from vendor sites -and trade press; capabilities are claims until quotes and visits verify -them). Pricing is unpublished across the board: every one of these is a -quote-on-request conversation. - -### Mastering and cutting: Agnew Analog (Greece) - -[Agnew Analog Reference Instruments](https://agnewanalog.com/) builds the -**Type 612 disk mastering lathe** (unveiled 2023, billed in the trade press -as the first all-new lacquer cutting lathe since the mid-1960s) and the -companion Type 602 stereo cutter head, sold turnkey or as components. Bespoke, -low-volume manufacturing by J. I. Agnew, so expect long build times. The -lathe is only the platform: a working cutting room additionally needs cutter -amplifiers, a mastering console, a preview/pitch-automation solution, vacuum -and swarf handling, plus lacquer blanks and styli as consumables. - -### Silvering and electroforming equipment: Plating Power / Digital Matrix (USA) - -[Plating Power](https://www.platingpower.com/) is the vinyl brand of Digital -Matrix Corporation (Farmingdale, NY), the dominant turnkey vendor for vinyl -galvanics. Their line covers silvering (VLSS station), nickel pre-plate -(VLPP), production electroforming (VLFP 2/4/6-cell system), and -electro-clean/passivation (EC-1000), all built for clean-room use with fume -extraction hookups. Two gaps matter for this project: they supply **no -closed-loop water treatment or metal recovery** (a separate industrial -water-treatment vendor must deliver the zero-discharge system; the -zero-discharge plating room at Gotta Groove Records in Ohio, built around a -wastewater evaporator, is the reference model), and no stamper -punching/finishing equipment (see Sibert below). No Southeast Asia -distributor; contact is via the US factory or their Japan/Korea distributors. - -### Stamper preparation: Sibert Instruments (UK) - -[Sibert Instruments](https://www.sibert.co.uk/) (Hampshire, in this niche -since the early 1970s) makes the machines that turn a raw electroformed -nickel shell into a press-ready stamper: the VSP center punch, VSF -back-finisher, and VSC coiner (trim and form in one pass). One-off capital -equipment filling exactly the gap between the plating line and the presses. - -### Stamper service, as a bridge: Stamper Discs (UK) - -[Stamper Discs](https://www.stamperdiscs.com/) (Sheffield, founded 2018, -family-run) is a trade galvanics service: send lacquers or DMM masters, get -back press-ready 1-step or 3-step stampers in 7"/10"/12", explicitly made to -fit Viryl, Toolex, and **Newbilt** molds. They ship to 30+ countries and can -broker lacquer cutting through European partners. Natural role for CNX -Vinyl: stamper supplier while the in-house galvanics line is being built, -then overflow capacity and a quality benchmark. Watch-outs: a small -single-site operation, no documented Asia customers yet, and two -international freight legs per job. - -### Fully automated presses: Pheenix Alpha (Sweden) - -[Pheenix Alpha](https://www.pheenixalpha.com/) (Solna) is the direct -successor of Toolex Alpha, founded in 2006 by former Toolex staff. Their -**AD12** is the continuation of the original 1977 fully automatic press: -24 to 26 second cycle (roughly 140 records per hour), one operator running -up to four presses, 7"/10"/12" up to 200 g, about 3.25 m² per press. Each press has 25 kW installed electrical power and -consumes per cycle roughly 1.2 kg of steam, 12.5 L of chilled water in a -closed platen circuit (compatible with the zero-discharge goal), and -compressed air. Deepgrooves in the Netherlands runs its AD12 steam from -wood-fired biomass boilers, a working precedent for the renewable-steam -question. Pheenix also offers the **AD12 Manual**, a semi-automatic press on -the same platform aimed at splatter and short runs, which makes them a -possible single-vendor alternative covering both halves of the 50/50 fleet; -that option should be weighed against the Newbilt plan on price, spares, and -support. - -## Sustainability - -Two commitments are fixed design requirements for this plant, not aspirations -to be traded away during engineering: run on as much renewable energy as -possible, and discharge no contaminated water. Both are decisions we can -actually make, because the two biggest utility systems (steam and cooling) -are explicitly excluded from the Newbilt scope and will be sourced and -installed locally in Thailand. That gives us a free hand to spec them green -from day one. - -### Renewable energy: large solar installation - -The pressing machinery itself is a modest electrical load: 32 kVA connected, -~21 kW average for a full Duplex line. The real energy demand sits in the -utilities around it, above all the steam generator (400 kg/h saturated steam -at 10 bar / 180 °C) and the 250 kW cooling system. - -- A large rooftop/ground PV installation is planned. Northern Thailand's solar - irradiance is favorable, and daytime-heavy production shifts align well with - PV output. -- The chosen hardware direction: multiple large **Deye** three-phase hybrid - inverters (30 to 80 kW class, parallelable up to 10 units) paired with a - **Gobel Power** high-voltage LiFePO4 battery stack at **271 kWh** (15 - stacked 18 kWh packs, LFP 314 Ah cells, rated 8000+ cycles). Deye is an - officially supported protocol on the Gobel BMS, and Deye has established - Thai distribution. Two engineering checks are open: matching the battery - rack's DC voltage window to the specific Deye model (a full 15-pack rack - can exceed the 800 V window of the smaller Deye series), and obtaining - Gobel's safety certifications (not published) for a Thai commercial - install. At 271 kWh the stack is a peak-shaving and ride-through buffer, - not full off-grid autonomy, against loads like the 250 kW cooling system. -- The machine load and cooling system are straightforward PV targets. -- Steam is the open engineering question. Options under evaluation include an - electric boiler (maximizes the solar share), a biomass boiler (locally - abundant fuel), and solar-thermal pre-heating of boiler feedwater. No - technology choice has been made yet; it will be driven by honest numbers on - load profiles, storage, and grid backup, not by what sounds greenest. -- System sizing (kWp, storage, grid-connection model) is open until the site - is chosen. - -### Zero contaminated water - -The reference process schematic shows a conventional open "dirty water" -cooling loop. We will not build it that way. - -- Cooling (up to 250 kW, 220 l/min peak, roughly 98% of it mold cooling) will - run as a closed loop with a cooling tower/chiller, so process water is - recirculated rather than discharged. -- Steam condensate will be recovered and returned to the treated feedwater - cycle instead of being dumped. -- The planned in-house galvanics line (silvering and stamper electroforming) - involves plating chemistry: silver solutions and nickel baths. This is the - hardest part of the zero-discharge commitment. Rinse water will need - closed-loop treatment and metal recovery, designed in from the start rather - than retrofitted. -- Solvent handling (flagged in the site requirements) will be contained and - disposed of as controlled waste, never via wastewater. -- Target: no process-water discharge to the local environment. Detailed water - balance and treatment design are pending site selection. - -### Materials - -The plant design already includes a PVC recycling loop: an in-house grinder -returns trimmings and rejects to the extruder, with the standard feed mix at -80% virgin / 20% recycled compound. Record scrap becomes feedstock, not -landfill. - -For the virgin compound itself, the preference is **local (Thai/regional) -PVC sourcing if the quality meets vinyl-record specifications**. The current -supplier list (2021) is almost entirely European, with one US option; -qualifying a -local compound would cut shipping distance, cost, and the carbon footprint of -the feedstock. European suppliers remain the fallback where quality demands -it. - -## Worker Safety - -Worker safety is a founding priority, on equal footing with the environmental -commitments: - -- **Safety training**: proper, structured training for all operators and - maintenance staff, starting with the vendor-led commissioning training and - extending into an ongoing in-house program. The pressing line combines - hydraulics (~180 bar), saturated steam (10 bar / 180 °C), and hot PVC, and - every one of these demands trained, deliberate handling. -- **Clean rooms for galvanics**: silvering and stamper electroforming will - run in dedicated clean rooms with controlled access, proper ventilation and - exhaust, and decontamination procedures for people and equipment leaving - the area. Plating chemistry stays inside its containment. -- **Personal protective equipment**: appropriate PPE (overalls, gloves, - goggles, and process-specific protection) is mandatory per work area, in - line with the equipment vendor's site requirements (exhaust work benches, - fire protection) and local regulations. - -Safety infrastructure (training program, clean-room specification, -decontamination workflow) will be planned alongside the equipment, not after -it. +- [Pressing line equipment plan](docs/equipment/pressing-line.md): the + 50/50 automated/semi-automatic fleet strategy, the Newbilt system under + evaluation (≈ €200,500 quoted scope), and site requirements +- [Vendor landscape](docs/suppliers/vendor-landscape.md): researched + candidates for mastering and cutting (Agnew Analog), galvanics equipment + (Plating Power / Digital Matrix), stamper preparation (Sibert), bridge + stamper service (Stamper Discs), and automated presses (Pheenix Alpha) +- [Equipment needs and supplier map](docs/suppliers/equipment-suppliers.md): + the full needs list per production step with supplier tables and contacts +- [Sustainability](docs/sustainability.md): the solar installation (Deye + inverters, 271 kWh Gobel Power battery stack), the zero contaminated water + commitment, and the materials strategy +- [Worker safety](docs/worker-safety.md): safety training, galvanics clean + rooms and decontamination, PPE +- [Facility security and site systems](docs/facility-security.md): access + control, CCTV, archive and audio protection, fire and life safety, plant + monitoring, Thai compliance anchors ## Repository Layout ``` docs/ -├── consulting/ Consultancy proposals and overviews +├── consulting/ Consultancy proposals and overviews ├── equipment/ -│ └── newbilt/ Offers, site requirements, process schematic, service rates -├── finance/ Project cost overviews -└── suppliers/ Supplier contacts and the equipment supplier map +│ ├── newbilt/ Offers, site requirements, process schematic, +│ │ service rates (vendor PDFs) +│ └── pressing-line.md Press fleet strategy and equipment plan +├── finance/ Project cost overviews +├── suppliers/ Supplier contacts, vendor landscape, supplier map +├── facility-security.md Security, fire and life safety, compliance +├── sustainability.md Energy, water, materials commitments +└── worker-safety.md Training, clean rooms, PPE ``` -Documents are primary sources (vendor PDFs and spreadsheets) and reflect the -state of negotiations at their file dates. Treat prices and lead times as -snapshots, not commitments. +Vendor PDFs and spreadsheets are primary sources and reflect the state of +negotiations at their file dates. Treat prices and lead times as snapshots, +not commitments. ## Roadmap for This Repo diff --git a/docs/equipment/pressing-line.md b/docs/equipment/pressing-line.md new file mode 100644 index 0000000..ac205f2 --- /dev/null +++ b/docs/equipment/pressing-line.md @@ -0,0 +1,44 @@ +# Pressing Line: Equipment Plan + +The target press fleet is a **50/50 split between fully automated and +semi-automatic presses**: automated presses for standard production volume, +and semi-automatic presses for splatter and other color effects, special +editions, and small runs, where an operator working the mold directly is an +advantage rather than a cost. The semi-automatic side is covered by the +Newbilt evaluation below; a fully automated press line is an open +procurement item (see the [vendor landscape](../suppliers/vendor-landscape.md) +for the Pheenix Alpha candidate). + +## Semi-automatic line: Newbilt + +The core semi-automatic machinery under evaluation comes from +**Newbilt machinery GmbH** (Alsdorf, Germany): + +- **Newbilt Single 2.1 system**: one VEX 50 extruder feeding one HRP 12 + hydraulic press (~150 t press force), pressing 12" records at 140 or 180 g + with a Newbilt book mold set. A Vario trimmer handles 12" cuttings, with + a 7"/10" upgrade path. +- **Duplex upgrade path**: the hydraulic aggregate is already sized for a + second press, and an additional press and extruder are quoted options, so + the plant can scale from Single to Duplex without replacing infrastructure. +- **Supporting equipment**: label dry oven, shrink wrapper, PVC grinder + (scrap feeds back as the ~20% recycled share of the feedstock), 7" center + label punch, buffer spindles and separator plates. + +The June 2024 Newbilt quotation totals **≈ €200,500** including freight from +Alsdorf to Thailand and seaworthy packaging. Two major utility systems are +deliberately excluded and will be **sourced and installed locally in +Thailand**: a ~400 kg/h steam generator (with water treatment) and a ~250 kW +cooling water system. The quotation has passed its validity date and will need +re-confirmation before ordering. + +## Site requirements + +Site planning for the semi-automatic line works from Newbilt's Duplex +requirements: roughly 200 m² of production floor, 32 kVA connected +electrical load, saturated steam at 10 bar, and compressed air and cooling +water circuits, plus side rooms for materials, compressor, chiller, and +finished goods. + +Source documents live in [`newbilt/`](newbilt/): the budgetary offer, the +Duplex site requirements, the process schematic, and the service rate card. diff --git a/docs/facility-security.md b/docs/facility-security.md new file mode 100644 index 0000000..2ae1323 --- /dev/null +++ b/docs/facility-security.md @@ -0,0 +1,75 @@ +# Facility: Security and Site Systems + +What the plant needs beyond the production machinery. Access control and +CCTV are set requirements; the rest of this list is what a plant of this +profile definitely needs, to be refined during site design. + +## 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. 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, PPE issue at entry, no + unaccompanied access to production or galvanics. + +## 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. + +## 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 and 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. + +## 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**: temperature and humidity logging in + production (the process spec calls for 20-26 °C, 35-60% RH), the archive, + and the clean room. + +## 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. diff --git a/docs/suppliers/vendor-landscape.md b/docs/suppliers/vendor-landscape.md new file mode 100644 index 0000000..b373a1a --- /dev/null +++ b/docs/suppliers/vendor-landscape.md @@ -0,0 +1,73 @@ +# Vendor Landscape + +Research on candidate vendors for the production chain beyond the Newbilt +pressing line (from vendor sites and trade press; capabilities are claims +until quotes and visits verify them). Pricing is unpublished across the +board: every one of these is a quote-on-request conversation. + +The tabular needs-and-suppliers map lives in +[`equipment-suppliers.md`](equipment-suppliers.md); this document is the +narrative per vendor. + +## Mastering and cutting: Agnew Analog (Greece) + +[Agnew Analog Reference Instruments](https://agnewanalog.com/) builds the +**Type 612 disk mastering lathe** (unveiled 2023, billed in the trade press +as the first all-new lacquer cutting lathe since the mid-1960s) and the +companion Type 602 stereo cutter head, sold turnkey or as components. Bespoke, +low-volume manufacturing by J. I. Agnew, so expect long build times. The +lathe is only the platform: a working cutting room additionally needs cutter +amplifiers, a mastering console, a preview/pitch-automation solution, vacuum +and swarf handling, plus lacquer blanks and styli as consumables. + +## Silvering and electroforming equipment: Plating Power / Digital Matrix (USA) + +[Plating Power](https://www.platingpower.com/) is the vinyl brand of Digital +Matrix Corporation (Farmingdale, NY), the dominant turnkey vendor for vinyl +galvanics. Their line covers silvering (VLSS station), nickel pre-plate +(VLPP), production electroforming (VLFP 2/4/6-cell system), and +electro-clean/passivation (EC-1000), all built for clean-room use with fume +extraction hookups. Two gaps matter for this project: they supply **no +closed-loop water treatment or metal recovery** (a separate industrial +water-treatment vendor must deliver the zero-discharge system; the +zero-discharge plating room at Gotta Groove Records in Ohio, built around a +wastewater evaporator, is the reference model), and no stamper +punching/finishing equipment (see Sibert below). No Southeast Asia +distributor; contact is via the US factory or their Japan/Korea distributors. + +## Stamper preparation: Sibert Instruments (UK) + +[Sibert Instruments](https://www.sibert.co.uk/) (Hampshire, in this niche +since the early 1970s) makes the machines that turn a raw electroformed +nickel shell into a press-ready stamper: the VSP center punch, VSF +back-finisher, and VSC coiner (trim and form in one pass). One-off capital +equipment filling exactly the gap between the plating line and the presses. + +## Stamper service, as a bridge: Stamper Discs (UK) + +[Stamper Discs](https://www.stamperdiscs.com/) (Sheffield, founded 2018, +family-run) is a trade galvanics service: send lacquers or DMM masters, get +back press-ready 1-step or 3-step stampers in 7"/10"/12", explicitly made to +fit Viryl, Toolex, and **Newbilt** molds. They ship to 30+ countries and can +broker lacquer cutting through European partners. Natural role for CNX +Vinyl: stamper supplier while the in-house galvanics line is being built, +then overflow capacity and a quality benchmark. Watch-outs: a small +single-site operation, no documented Asia customers yet, and two +international freight legs per job. + +## Fully automated presses: Pheenix Alpha (Sweden) + +[Pheenix Alpha](https://www.pheenixalpha.com/) (Solna) is the direct +successor of Toolex Alpha, founded in 2006 by former Toolex staff. Their +**AD12** is the continuation of the original 1977 fully automatic press: +24 to 26 second cycle (roughly 140 records per hour), one operator running +up to four presses, 7"/10"/12" up to 200 g, about 3.25 m² per press. Each +press has 25 kW installed electrical power and consumes per cycle roughly +1.2 kg of steam, 12.5 L of chilled water in a closed platen circuit +(compatible with the zero-discharge goal), and compressed air. Deepgrooves +in the Netherlands runs its AD12 steam from wood-fired biomass boilers, a +working precedent for the renewable-steam question. Pheenix also offers the +**AD12 Manual**, a semi-automatic press on the same platform aimed at +splatter and short runs, which makes them a possible single-vendor +alternative covering both halves of the 50/50 fleet; that option should be +weighed against the Newbilt plan on price, spares, and support. diff --git a/docs/sustainability.md b/docs/sustainability.md new file mode 100644 index 0000000..6ba0dac --- /dev/null +++ b/docs/sustainability.md @@ -0,0 +1,73 @@ +# Sustainability + +Two commitments are fixed design requirements for this plant, not aspirations +to be traded away during engineering: run on as much renewable energy as +possible, and discharge no contaminated water. Both are decisions we can +actually make, because the two biggest utility systems (steam and cooling) +are explicitly excluded from the Newbilt scope and will be sourced and +installed locally in Thailand. That gives us a free hand to spec them green +from day one. + +## Renewable energy: large solar installation + +The pressing machinery itself is a modest electrical load: 32 kVA connected, +~21 kW average for a full Duplex line. The real energy demand sits in the +utilities around it, above all the steam generator (400 kg/h saturated steam +at 10 bar / 180 °C) and the 250 kW cooling system. + +- A large rooftop/ground PV installation is planned. Northern Thailand's solar + irradiance is favorable, and daytime-heavy production shifts align well with + PV output. +- The chosen hardware direction: multiple large **Deye** three-phase hybrid + inverters (30 to 80 kW class, parallelable up to 10 units) paired with a + **Gobel Power** high-voltage LiFePO4 battery stack at **271 kWh** (15 + stacked 18 kWh packs, LFP 314 Ah cells, rated 8000+ cycles). Deye is an + officially supported protocol on the Gobel BMS, and Deye has established + Thai distribution. Two engineering checks are open: matching the battery + rack's DC voltage window to the specific Deye model (a full 15-pack rack + can exceed the 800 V window of the smaller Deye series), and obtaining + Gobel's safety certifications (not published) for a Thai commercial + install. At 271 kWh the stack is a peak-shaving and ride-through buffer, + not full off-grid autonomy, against loads like the 250 kW cooling system. +- The machine load and cooling system are straightforward PV targets. +- Steam is the open engineering question. Options under evaluation include an + electric boiler (maximizes the solar share), a biomass boiler (locally + abundant fuel), and solar-thermal pre-heating of boiler feedwater. No + technology choice has been made yet; it will be driven by honest numbers on + load profiles, storage, and grid backup, not by what sounds greenest. +- System sizing (kWp, storage, grid-connection model) is open until the site + is chosen. + +## Zero contaminated water + +The reference process schematic shows a conventional open "dirty water" +cooling loop. We will not build it that way. + +- Cooling (up to 250 kW, 220 l/min peak, roughly 98% of it mold cooling) will + run as a closed loop with a cooling tower/chiller, so process water is + recirculated rather than discharged. +- Steam condensate will be recovered and returned to the treated feedwater + cycle instead of being dumped. +- The planned in-house galvanics line (silvering and stamper electroforming) + involves plating chemistry: silver solutions and nickel baths. This is the + hardest part of the zero-discharge commitment. Rinse water will need + closed-loop treatment and metal recovery, designed in from the start rather + than retrofitted. +- Solvent handling (flagged in the site requirements) will be contained and + disposed of as controlled waste, never via wastewater. +- Target: no process-water discharge to the local environment. Detailed water + balance and treatment design are pending site selection. + +## Materials + +The plant design already includes a PVC recycling loop: an in-house grinder +returns trimmings and rejects to the extruder, with the standard feed mix at +80% virgin / 20% recycled compound. Record scrap becomes feedstock, not +landfill. + +For the virgin compound itself, the preference is **local (Thai/regional) +PVC sourcing if the quality meets vinyl-record specifications**. The current +supplier list (2021) is almost entirely European, with one US option; +qualifying a local compound would cut shipping distance, cost, and the +carbon footprint of the feedstock. European suppliers remain the fallback +where quality demands it. diff --git a/docs/worker-safety.md b/docs/worker-safety.md new file mode 100644 index 0000000..f7acddc --- /dev/null +++ b/docs/worker-safety.md @@ -0,0 +1,22 @@ +# Worker Safety + +Worker safety is a founding priority, on equal footing with the environmental +commitments: + +- **Safety training**: proper, structured training for all operators and + maintenance staff, starting with the vendor-led commissioning training and + extending into an ongoing in-house program. The pressing line combines + hydraulics (~180 bar), saturated steam (10 bar / 180 °C), and hot PVC, and + every one of these demands trained, deliberate handling. +- **Clean rooms for galvanics**: silvering and stamper electroforming will + run in dedicated clean rooms with controlled access, proper ventilation and + exhaust, and decontamination procedures for people and equipment leaving + the area. Plating chemistry stays inside its containment. +- **Personal protective equipment**: appropriate PPE (overalls, gloves, + goggles, and process-specific protection) is mandatory per work area, in + line with the equipment vendor's site requirements (exhaust work benches, + fire protection) and local regulations. + +Safety infrastructure (training program, clean-room specification, +decontamination workflow) will be planned alongside the equipment, not after +it.