Add Thai utilities investment CSV with supplier candidates and budgetary ranges

Steam, compressed air, cooling, water treatment, racking, HVAC, solar EPC
and BESS; baseline total 23.98M-41.63M THB, options priced separately;
all figures budgetary +/- 30%, basis marked per row

docs/finance/utilities-investment.csv

@@ -0,0 +1,18 @@
+category,item,spec_summary,candidate_thai_suppliers,cost_low_thb,cost_high_thb,cost_basis,notes
+steam,Electric/gas once-through boiler package,"~400-500 kg/h at 10 bar / 180 C incl. softener, feed tank, economizer, installed","Miura Thailand (Chachoengsao); Bangkok Industrial Boilers; STE Thailand",2500000,4000000,engineering estimate,"Miura-class modular once-through; BIB budget option ~2.0-3.5M; service is Bangkok-centric, confirm northern dispatch SLA"
+steam,Biomass/wood-fired boiler package (option),"~0.5 t/h solid fuel (wood chips/pellets/rice husk) incl. fuel feed, grate, dust control, softener, installed",Getabec PCL (Thai fabrication and service),4000000,7000000,engineering estimate,"Sustainability path matching Deepgrooves NL precedent; Viessmann has no strong Thai channel; higher capex, lower fuel opex in the North; NOT included in baseline total"
+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",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"
+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 package 250 kW,"~71 RT air-cooled screw/scroll chiller + pumps + buffer tank + controls, installed, closed loop","Trane Thailand; Carrier Thailand; Daikin Applied Thailand; Hitachi Thailand",2500000,4000000,engineering estimate,"Newbilt spec: 220 l/min peak, 20-25 C supply; chiller is the safe choice for hot-season wet-bulb"
+cooling,Cooling tower + HX loop (alternative),"FRP tower ~250-300 kW reject + plate HX + pumps + tanks + water treatment","Liang Chi Thailand (tower, large service org); Process Cooling Solutions; Tasaki (integrators)",1000000,2000000,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,~0.5-0.8 m3/h feedwater duty,"Veolia Water Technologies Thailand; Hydrotek; local RO/softener integrators",80000,200000,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,"Only if low-TDS feed needed; NOT included in baseline total"
+water,Closed-loop cooling water treatment,"Side-stream filtration + dosing + conductivity blowdown control",Veolia; Hydrotek; local integrators,150000,400000,engineering estimate,Chemicals are ongoing opex on top
+water,Galvanics ZLD evaporator (future),"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,"For the future galvanics line, zero-discharge requirement; NOT included in 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; 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 rooftop EPC (illustrative 300 kWp),"Turnkey C&I rooftop EPC incl. Deye hybrid inverters, at 25000-35000 THB/kWp","Solar Nicolo (Deye tier-1 distributor); Banpu NEXT; SCG Cleanergy; Sermsang; local Chiang Mai installers",7500000,10500000,market rate per kWp; size illustrative,"Final kWp open until site selection; grid tariff ~3.88 THB/kWh implies ~4-6 yr C&I payback"
+solar,Battery stack 271 kWh (Gobel),"GP-SRA-HV314 HV LiFePO4 rack, 15 x 18 kWh packs, direct from Shenzhen, 50-60 day lead",Gobel Power (no Thai distributor; integration by solar EPC),1400000,2030000,vendor listed price USD 39900-58000 at ~35 THB/USD,"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,"Electric steam + oil-injected air + chiller + softener + loop treatment + local racking + HVAC + clean zones + 300 kWp solar + 271 kWh BESS",,23980000,41630000,sum of baseline rows,"~630k-1100k EUR at 38 THB/EUR; excludes options rows (biomass premium, oil-free, tower alternative, RO, ZLD evaporator, SSI premium tier); all figures budgetary +/- 30%, get RFQs before BOI/finance filings"

docs/suppliers/equipment-suppliers.md

@@ -166,7 +166,10 @@ Open: identify and qualify Thai/regional PVC compound producers.
 - Clean rooms, ventilation, decontamination infrastructure for galvanics
 - Fire protection, exhaust work benches, PPE stock
 
-Suppliers: all open, to be sourced locally in Thailand where possible.
+Thai supplier candidates and rough investment ranges for these utility and
+site systems are compiled in
+[`../finance/utilities-investment.csv`](../finance/utilities-investment.csv)
+(budgetary figures, plus or minus 30%, researched July 2026).
 
 ## 9. Services and Expertise