tender for material supply tender invitation year 2026-27, laying and jointing pvc pipe. heading , solar pv modules 2kw solar panels - technology: n-type topcon (tunnel oxide passivated contact), bifacial / monocrystalline module capacity (each): 550 wp - 590 wp quantity: 4 nos. module efficiency: ~22.6% to 23.34% glass type: toughened glass with anti-reflective coating (arc) frame: anodized aluminum alloy junction box: ip68 rated with bypass diodes standards & certifications: is/iec 61215, iec 61730, bis approved warranty:10-12 years manufacturing warranty 25-30 years linear performance warranty hybrid inverter - type: off-grid hybrid inverter (pure sine wave) capacity: 3 kva / 2.4 kw (extra margin for load) features: mppt charge controller (95% efficiency) grid + solar + battery hybrid mode lcd display with remote monitoring surge protection & auto bypass warranty: 5 years lithium-ion battery bank type: lithium iron phosphate (lifepo4) capacity: 51.2v, 100ah features: deep cycle, 4000+ cycles fast charging & high safety compact & lightweight warranty: 7 year. with stand box of battery mounting structure material: hot-dip galvanized steel design: adjustable tilt (optimized for local latitude) durability: rust-proof, wind resistant cabling & protection dc cable: uv resistant, 4 sqmm copper ac cable: isi certified copper cable protection devices: dc mcb (1000v dc) ac mcb (230v ac) spd (surge protection device) both ac & dc dc isolator switch earthing work solar panel earthing: copper plate earthing (600×600×3 mm) inverter & battery earthing: separate pit with gi strip connection neutral earthing: ensures stable voltage panel safety lightning arrestor: copper-bonded rod with insulation surge protection: dc & ac side protection isolator switch: for safe maintenance installation & commissioning skilled technician team testing & performance verification with all accessories including with installation and light fittings in two room,03 switch board,04 led bulb,02 celling fan and wire fitting with material. , solar pv modules 3kw solar panels - technology: n-type topcon (tunnel oxide passivated contact), bifacial / monocrystalline module capacity (each): 550 wp - 590 wp quantity: 6 nos. module efficiency: ~22.6% to 23.34% glass type: toughened glass with anti-reflective coating (arc) frame: anodized aluminum alloy junction box: ip68 rated with bypass diodes standards & certifications: is/iec 61215, iec 61730, bis approved warranty:10-12 years manufacturing warranty 25-30 years linear performance warranty hybrid inverter - type: off-grid hybrid inverter (pure sine wave) capacity: 5 kva / 4 kw (extra margin for load) features:mppt charge controller (95% efficiency) grid + solar + battery hybrid mode lcd display with remote monitoring surge protection & auto bypass warranty: 5 years lithium-ion battery bank type: lithium iron phosphate (lifepo4) capacity: 51.2v, 150ah features: deep cycle, 4000+ cycles fast charging & high safety compact & lightweight warranty: 7 years. with stand box of battery mounting structure material: hot-dip galvanized steel design: adjustable tilt (optimized for local latitude) durability: rust-proof, wind resistant cabling & protection dc cable: uv resistant, 4 sqmm copper ac cable: isi certified copper cable protection devices: dc mcb (1000v dc) ac mcb (230v ac) spd (surge protection device) both ac & dc dc isolator switch earthing work solar panel earthing: copper plate earthing (600×600×3 mm) inverter & battery earthing: separate pit with gi strip connection neutral earthing: ensures stable voltage panel safety lightning arrestor: copper-bonded rod with insulation surge protection: dc & ac side protection isolator switch: for safe maintenance installation & commissioning skilled technician team testing & performance verification. with all accessories including with installation and light fittings in two room,04 switch board,06 led bulb,04 celling fan and wire fitting with material. , solar street light solar pv module technology: monocrystalline, high efficiency (21%) capacity: 40 wp - 60 wp (per light, depending on model) glass: tempered toughened glass with anti-reflective coating (arc) frame: anodized aluminum alloy, corrosion resistant certifications: iec 61215, iec 61730, bis approved warranty: 10-12 years manufacturing, 25 years performance battery type: lithium iron phosphate (lifepo4) capacity: 12.8v, 24ah - 36ah (model dependent) features: deep cycle, 4000+ charge/discharge cycles fast charging, high safety compact & lightweight warranty: 5-7 years led luminaire type: high power led (smd/cob) capacity: 20w - 40w (per light) luminous efficiency: ≥ 140 lm/w color temperature: 5000k - 6500k (cool white) optics: secondary lens for uniform light distribution housing: die-cast aluminum, ip65/ip66 waterproof, dustproof life span: 50,000 hours charge controller type: mppt / pwm (depending on model) efficiency: ≥ 95% features: automatic dusk-to-dawn operatio intelligent dimming (energy saving mode) overcharge, deep discharge, short-circuit protection pole & mounting material: hot-dip steel / mild steel with powder galvanized coating height: 6m - 9m (standard for street lighting) design: rust-proof, wind resistant (up to 150 km/h) mounting: adjustable tilt for solar panel safety & protection earthing: copper plate earthing for pole and luminaire surge protection: spd for both dc & ac sides lightning arrestor: copper-bonded rod with insulation ip rating: ip65/ip66 for outdoor durability (with all accessories including with installation) , 12v 200ah tall tubular battery :- voltage & capacity: 12 volts, 200 amp-hours (ah) rated at c10/c20 dimensions (l x w x h): roughly 50.5 cm × 19 cm × 41-46 cm weight: ~61 kg to 67 kg (including wet electrolyte acid) electrolyte volume: ~20 to 21 liters warranty coverage: ranging from 36 to 72 months split into free replacement and pro-rata periods.with stand box of battery.