tender for supplying necessary materials-1 specification (twin bin with stand) nilkamal brand: nilkamal (plastic waste management bin) model: 100 l × 2 twin bin with stand (sometimes listed as 100ech) capacity: 100 litres per bin × 2 (total 200 l) material: hdpe injection-moulded plastic (high-density, durable, uv resistant) color: typically green & blue 2 common specification (120 l wheeled dustbin) nilkamal capacity: 120 litres – suitable for home, commercial or outdoor waste collection. material: durable virgin plastic / hdpe (uv stabilized) – resists uv, chemicals & weather. mobility: wheels for easy movement, even when full. design: typically manual lift / lid included, rectangular shape. dimensions: approx 92 × 48 × 55 cm (hxwxd) for common 120 l mode 3 handwash station water tank capacity: 500 litres material: hdpe (food-grade, uv-stabilized) shape: cylindrical / vertical outlet: 4-way outlet connection provided from bottom/side with 4 basin color: blue (as in image) ms stand 4 20 w solar street lighting system with integrated battery and panel led power: ~20 w (cool white led) battery: ~18 ah lithium (lifepo₄ or sealed lead acid) solar panel: ~50 w monocrystalline pv module charging controller: integrated mppt or pwm lumen output: ~2800–3500 lm at 20 w ip rating: ip65–ip66 (weather proof) total in figures quoted rate in figures quoted rate in words