category,item,spec_summary,candidate_thai_suppliers,cost_low_thb,cost_high_thb,cost_basis,notes
steam,Electric/gas once-through boiler bank (alternative),"2 x 500 kg/h modules at 10.5 bar / 180 C, lead/lag, shared feed tank, feed pumps, economizer, installed","Miura Thailand (Chachoengsao); Bangkok Industrial Boilers; STE Thailand; Chinese route (October 2026): ZOZEN, Sitong, Fangkuai, Taiguo (ASME claimed, Thai references, no Thai service partner), see suppliers/china-utilities.md",4500000,7000000,engineering estimate,"NOT included in baseline total since 17 Oct 2026 (user: both plans run on biomass); kept as the alternative. Launch plant (October 2026): one Duplex system and one Classic, 450-540 kg/h at Newbilt's 150-180 kg/h per press, so B-1 and B-2 both at launch; the boiler hall is built for four modules (scale.md utility phasing); a third module for N+1 is an RFQ option; Miura-class modular once-through; service is Bangkok-centric, confirm northern dispatch SLA; Chinese route estimate 2.8M-5.5M THB installed (two ASME-stamped 1.25 MPa bodies USD 15k-35k each, inspection and certification, freight, Thai contractor balance of plant), about 1.6M THB less at the midpoint; imported boilers need DIW certification-body verification either way"
steam,"Biomass/wood-fired boiler package, 2 x 500 kg/h or one ~1 t/h","~1 t/h solid fuel (wood chips/pellets/rice husk) incl. fuel feed, grate, dust control, softener, installed",Getabec PCL (Thai fabrication and service),6000000,10000000,engineering estimate,"Baseline since 17 Oct 2026 (user: ""option a and b should operate on biomass""); the launch plant draws 450-540 kg/h, so the two 500 kg/h modules of the boiler hall (B-1, B-2) or one ~1 t/h package; Chinese makers build biomass boilers too (ZOZEN DZL, Sitong DZL/SZL, Taiguo, Yongxing; china-utilities.md), not priced yet; fuel ~300 t air-dry wood or ~460 t fresh chips a year at ~850k records, ~0.67M THB at 0.7 THB/kWh of heat (biomass.md); sustainability path matching Deepgrooves NL precedent"
steam,Biomass fuel store and handling,"Covered fuel store (42 m2 in the site model, ~6-7 weeks of fresh chips; ~80 m2 for a 3-month monsoon stock), chip bay, ash bins, compact loader",Local steel-shed contractors; loader dealers (used compact loaders),1000000,2000000,engineering estimate,"biomass.md: fuel handling and storage come on top of the boiler package; shed at roughly half the main building's 12,000-20,000 THB/m2 plus a used loader (estimate)"
steam,Steam balance of plant,"Traps, accumulator, condensate return",Forbes Marshall Thailand,0,0,included,Largely included in boiler package rows; line kept for RFQ completeness
compressed_air,Screw compressor skid (oil-injected),"~7.5 kW VSD screw + refrigerated dryer (3 C PDP) + coalescing filters + ~500 L receiver, installed","Atlas Copco Thailand; Kaeser Thailand (SM-T/Aircenter); Ingersoll Rand Thailand; Chinese brands with Thai offices (October 2026): Kaishan Compressor (Thailand), Denair Thailand, see suppliers/china-utilities.md",350000,600000,engineering estimate,"14-30 m3/h demand is small (5-10 hp class); oil-injected + filter train meets 5 micron / 3 C spec; Chinese route estimate 0.15M-0.3M THB installed (PM VSD 11 kW class USD 2k-5k, dryer, receiver, filters, installation)"
compressed_air,True oil-free class-0 (option),Same duty in oil-free class-0,Atlas Copco (ZR/ZT); Kaeser,1200000,1800000,engineering estimate,Only if air contacts product stream; NOT included in baseline total
cooling,Process chiller bank 2 x 250 kW,"2 x ~71 RT air-cooled screw/scroll chillers rated at 40 C ambient (CH-1, CH-2) + primary pumps + plate HX + warm and cold tanks + VFD supply pumps + controls, backbone (HX frame, tanks, pumps, mains) sized for four modules, installed",Trane Thailand; Carrier Thailand; Daikin Applied Thailand; Hitachi Thailand,4900000,7900000,engineering estimate,"Launch plant (October 2026): Duplex system ~261 kW hot-afternoon peak (scale.md) plus the Classic up to ~125 kW (Newbilt per press), ~390 kW against 500 kW installed; was 3 x 250 kW at 6.5-10.5M for five presses, less one module at ~1.6-2.6M THB (estimate); CH-3 and CH-4 come with the growth options; 3 x 350 kW frame pads stay the alternative (steam-cooling.html)"
cooling,Cooling tower + HX loop (alternative),Dry cooler or FRP tower ~650-750 kW reject + plate HX + pumps + tanks + water treatment,"Liang Chi Thailand (tower, large service org); Process Cooling Solutions; Tasaki (integrators)",2000000,3500000,engineering estimate,Cheaper capex but wet-bulb-limited; hybrid tower + trim chiller is the efficiency-optimal design; NOT included in baseline total
water,Boiler feedwater duplex softener,~1.0-1.2 m3/h feedwater duty (five-press boiler bank),Veolia Water Technologies Thailand; Hydrotek; local RO/softener integrators,120000,300000,market estimate,May suffice alone for a small fire-tube boiler
water,RO skid (option),0.5-1 m3/h low-TDS feed,Veolia; Hydrotek; local integrators,200000,500000,market estimate,"Launch scope since October 2026 as the DI water supply for the galvanics PMPB (with polishing); carried in the galvanics water block of total-investment.md, so NOT included in this baseline total"
water,Closed-loop cooling water treatment,Side-stream filtration + dosing + conductivity blowdown control,Veolia; Hydrotek; local integrators,200000,500000,engineering estimate,"Sized for the five-press loop with its open return tank (Newbilt press outlets are open, max. 2 bar); chemicals are ongoing opex on top"
water,Galvanics ZLD evaporator,"Small MVR or low-temp vacuum evaporator for plating rinse, installed","Core unit imported (WTEYA, Greenlan, Fred); Thai integration via Veolia or Hydrotek",3000000,8000000,market estimate,"Launch scope since October 2026 (galvanics in-house from the start); carried as its own block in total-investment.md, so NOT included in this baseline total"
storage,Pallet racking and shelving,"100-200 pallet positions selective/heavy-duty (beams sized 1000-1500 kg/pallet, records are dense) + archive and finished-goods shelving, installed","Jenbunjerd; LPI Rack Range (Thailand), Bangkok/Samut Prakan, racking and office mobile shelving; local fabricators (Sahawatthanakit, UPR, SD Shelf); SSI Schaefer (premium)",800000,1500000,published list prices + engineering estimate,SSI Schaefer premium tier ~1.5-3M for same scope; ~1000-2000 THB per pallet position at local tier
hvac,Whole-factory HVAC,"~1500 m2 at 20-26 C, 35-60% RH, ePM1/F7-F9 filtration sized for burning-season PM2.5, ducting and controls","Daikin Thailand; Trane; Mitsubishi Electric; Carrier; filtration: Camfil Thailand, AAF",7500000,15000000,engineering estimate at 5000-10000 THB/m2,"RH low end of 35% is aggressive for tropics and drives desiccant cost; if 45-60% RH acceptable, cost drops materially"
hvac,Clean-room-grade zone adder,"Cutting room + galvanics clean room, ~2 x 60 m2, ISO 7/8 with HEPA terminals, positive pressure, airlocks",Same HVAC vendors + clean-room contractors; Camfil HEPA,1200000,3400000,engineering estimate at 10000-28000 THB/m2 adder,Applied only to the two tight zones
solar,"PV EPC, factory roof (~520 kWp on the Payap scenario plot)","Turnkey C&I EPC on the factory roof (~523 kWp in the parts model), incl. inverters (Deye hybrids where the battery connects), at 20000-26000 THB/kWp; office roof (~65 kWp) and car and scooter canopies (~54 kWp) PV-ready, panels later",Solar Nicolo (Deye tier-1 distributor); Banpu NEXT; SCG Cleanergy; Sermsang; CapSolar; local Chiang Mai installers,10400000,13520000,"market rate per kWp (October 2026 check): DEDE Thailand PV Status (Mahidol survey) 22-25 THB/W for 10 kW-1 MW C&I systems in 2023; CapSolar 2026 20-25 THB/W under 1 MWp (20-23 at 500 kWp); Saimai Solar 2026 list 5.4M THB for 300 kW (18 THB/W); top of range covers Deye SUN-50K-SG01HP3 hybrid inverters (160,500 THB each at Supsaringkan, about nine 50 kW units for ~430 kVA); size: the factory roof, user decision 17 Oct 2026 (was every roof and canopy, ~640 kWp, and before that an illustrative 300 kWp)","Size: with biomass steam the best array is ~500-550 kWp (hourly sketch, sustainability.md), so the factory roof's ~520 kWp; on the Mueang Chi hall the factory roof takes ~247 kWp (scale.md); PV-ready means structure for the panels, conduit and a spare way at the main board (in the building and site works); ~87% of the yield used on site under PEA zero export (estimate); self-consumed PV worth ~3.7 THB/kWh, ~4.1-5.8 yr payback (sustainability.md, grid tariff)"
solar,Battery stack 271 kWh (Gobel) installed,"GP-SRA-HV314 HV LiFePO4 rack, 15 x 18 kWh packs, direct from Shenzhen, 50-60 day lead; plus enclosure, fire detection and suppression, controls and installation",Gobel Power (no Thai distributor; integration by solar EPC),2000000,3500000,"battery: vendor listed price USD 39900-58000 at ~35 THB/USD = 1.40-2.03M THB, in line with DEDE's 5000-7000 THB/kWh for LiFePO4 (Mahidol survey); installed: estimate below CapSolar's 12000-15000 THB/kWh for a fully installed factory BESS (2026), because the Deye hybrid inverters in the PV row do the power conversion",Confirm Deye BMS protocol compatibility and that the EPC warrants a mixed-vendor DC bus; certs (UN38.3/IEC 62619/CE) to be requested
total,BASELINE TOTAL,Biomass boiler package (2 modules) + fuel store + oil-injected air + chiller bank (2 modules) + softener + loop treatment + local racking + HVAC + clean zones + ~520 kWp factory-roof solar + 271 kWh BESS,,34470000,58220000,sum of baseline rows,"Launch plant, one Duplex system and one Classic (October 2026; biomass steam and PV on the factory roof only 17 Oct 2026, was 34.37M-56.34M with electric steam and ~640 kWp; solar and battery re-priced from Thai market data and the array sized to every roof and canopy 17 Oct 2026, was 27.57M-47.50M at 300 kWp and 28.47M-48.73M before the re-price; was 30.07M-51.33M THB for five presses, 23.98M-41.63M for one Duplex); ~750k-1280k EUR at 38 THB/EUR; excludes options rows and the galvanics water rows (ZLD, DI), which total-investment.md carries with galvanics; all figures budgetary +/- 30%, get RFQs before BOI"