ANNEX 1

LOT 1 (A AND B)

19 Complete Solar systems for 1500 Watts

Supply of solar systems, transportation, installation and operation to HAJJA AND HODEIDA.

no Descriptions Quantity

1 Complete solar system for 1500 watts solar 19 Systems systems Supply of solar systems, transportation, installation and operation in HAJJA AND HODEIDA.

1. Introduction 2. Scope of Work 3. Specification 4. List of materials

Introduction: The Solar Energy Project, Enhanced Rural Resilience in programme, United Nations Development Programme is planning to provide medium solar system supply, installation and commissioning for Health centers and schools in Governorate (Aslam, Districts), Hodeidah Governorate (Bajel, Al Zohra Districts), Lahej Governorate (Toban,Tor Albaha Districts) and Abyan Governorate (Kanfar, Lodar Districts).

Scope of Work:s The Scope of work includes the complete supply, Installation, commissioning of solar systems, it includes among other Solar PV system consists of the following main components: (Solar Photo - Voltaic array − Solar PV array support structure – Charger and Inverter − DC, AC Protection Devices – Battery – Rack for Battery - Cables).

Locations: Supply of solar systems, transportation, installation and commissioning in health units, school and local office at the following locations: Site locations Health Education Governorate Education Health Governorate District Units Schools Planning Office Office Office Hajjah 1 1 1 Center Aslam district 2 2 Abs district 2 2

Hodeidah Bajel district 2 2 Al Zohra district 2 2

Solar Photo Voltaic Module: - The solar panel main component in the solar PV system that generates electricity operate in high temperate area - Must be polycrystalline Solar Module from reputed brand manufacturer, with more than 15% module efficiency, 60 cells module with Low iron anti refractive coated glass gains, 25 Years of warranty - Modules that have passed IEC 61215. Manufacturer test certificates to be submitted. 25years true linear power output warranty. - When installation Panel tilt angle South – South West orientation with a fixed tilt angle 15 degrees. - The connections between panels must be good connections to prevent current loss. - The output cable from solar panel Array to dc Enclosures must be good connections by MC4 Connectors or Copper Tube Butt to prevent current loss, must install solar panel away from shadow.

Mounting Structure for Solar Panel - Module fixed mounting structure should support Solar PV modules at given orientation absorb and transfer the mechanical loads to the roof uniformly. - The structure should be designed to withstand the wind speed of 50KMPH. - The Module Mounting structure shall be made up of steel material. The minimum thickness of angel iron steel 5*2mm. All nuts & bolts shall be made of very good quality. The minimum clearance of the lowest part of the module structure and the developed roof level shall not be less than 30 cm. Leg assembly of module mounting structure made of angel iron steel. The work should be completed with supply, fitting, fixing of nut & bolts etc. All nuts & bolts shall be made of very good quality steel preferable stainless steel the angel iron steel should resistant Corrosion coating. - The structure shall be designed for simple mechanical and electrical installation. System should have proper Earthling protections.

Cables: - Cables and accessories are required for the DC cabling, panel wiring, battery wiring, cabling to charge controller, inverter. The bright annealed 99.9% pure bare copper conductors, low conductor resistance, lower heating. These wires should be insulated with a special grade PVC compound formulated and manufactured in- house. - The skin coloration should offer high insulation resistance and long life. PARAMETERS SPECIFICATIONS WORKING VOLTAGE UP TO 500V TEMPERATURE RANGE -15 TO -80 DEGREE DEGREE CELSIUS, SIZES SUITABLE FOR 2% VOLTAGE DROPE

DC Enclosures - The cables from the array strings to the MPPT charger controllers should be provided with DC fuse protection 63a if available or AC mcb breaker 125A 2Pole . Should be protected in plastic enclosures and can be switch on/off.

Solar Charger Controllers (Maximum Power Point Tracking) MPPT.

- The MPPT must be of high efficiency, reliability and manufacture from high quality components and have good cooling system to Operating in the high temperature area with minimal maintenance. - Built-in LCD display show the parameter volt, current input and output MPPT. - Including all necessary protections Features and compatible with wide type range battery. - When installing MPPT configurations panel voltage 2 times form the inverter and battery voltage system to give required efficiency more than 98%.

Charger and inverter

- The Charger/Inverter used to charge battery for Utility and convert form DC to AC must be stable, with high reliability and manufacture from high quality components and have good air fan cooling system to operate in the high temperature area with minimal maintenance, - Including all necessary protections Features. - Should be easy to use.

Battery rack

- Battery must be fitted in a metal battery rack to keep the battery in safe condition and air can pass around battery easily.

Battery bank

- The battery must be of high quality designed for long life and should have high number of cycle. When installing the batteries must consider the place of installation to be away from heat sources, humidity. Before supply - Must check the batteries voltage for 24 volt system which should be the same voltage in the two batteries. - The manufacturing date of batteries should not be more than 6 months of supply date.

Extra cooling fan

- The solar system must be installed with extra stand fan for cooling and to protect batteries and other equipment from high temperature and increase their life.

Load connection

- The supplier shall ensure that main distribution panel of the building should be connected from solar system (output form inverter only), - install mcb breaker for output form inverter to load and add manual change over switch between inverter and other power source - The mcb breaker and change over must be install in plastic enclosures.

Earth protection

- Each array structure and all metal casings of the panel etc. shall be earthed properly. And connected to ground hole including pure copper rod 16m and adding salts and carbon.

WARRANTY

- PV modules must be warranted for their output peak watt capacity, which should not be less than 90% at the end of 10 years and 80% at the end of 25 years. - Battery must be warranted for 1 year minimum warranty. - Inverter at least 2 years warranty.

Detail specification for one complete system for 1500w

NO Technical Specification QYT

Photovoltaic Module Specification Module Type : Polycrystalline Power Output : 255 watts Cell number 60 cells Module Efficiency : Not less then 15 % Open Circuit Voltage (Voc) : 37.6 V Maximum Power Voltage (Vmp) : 30.8V Maximum Power Current (Imp) 8.28A Short Circuit Current : (Isc) : 8.78A 1 6 Operating module temperature : 0 to 85 c Power output tolerance : not more than +/- 5 Junction box production : IP65 Connectors : MC4 Cable : 4mm2, length 1100mm Maximum system voltage : 1000 vdc Warranty : Nominal power output 90% for 10 years, 80% for 25years Standards and certificates : IEC 61215, IEC61730

Inverter & charger Specifications Power watts : 3000 watts Inverter Voltage : 24V AC Input voltage : 220V AC output voltage : 220V Frequency : 50Hz Output wave : pure sine wave Inverter Type: Transformer type 2 Cooling method : Air Cooling, 2 smart speed fan 1 Surge : 2 Times normal capacity Protection: - Overload protection - Short circuit protection - Low battery protection Led indicator - Inverter status led indicator - Battery level led indicator Humidity : 0-95% non-condensing Battery Specifications Battery Type : AGM, opzv, Container & Cover : Acid-resistant ABS resin 3 2 Option : UL94-V0 = ABS Cycle number: Not less than 400 cycle @ 80% DOD. Battery voltage : 12V Capacity : 200A Cell Number : 6 Cells Charge current : 40A or more Warranty : Not less than 12 months Manufacture date : Not more than 6 months MPPT Solar Charger Controller

PV Power : Not less than 1500w @ 24 v Battery voltage : 24v Maximum current : 60A Charger controller type : ( MPPT ) Maximum Power Point Tracking MPPT open circuit voltage : 145-150 Vdc 4 Display : LCD screen 1 LCD screen parameter Heat Sink Cover Volt, current, watts input and output MPPT Efficiency : more than 98 % Charge method : three or five stages Operations temperature range: Not less than -25 ~ 55 Degree Celsius. Humidity : 0-95% non-condensing Mounting Structure for Solar Panel Fixed Mounting Structure for Solar Panel Rooftop angel iron 5 1 steel 5*2mm2 coating paint resistant of corrosion for 6 panels 255watts (Total 1530 watts) 6 Battery rack Battery metal rack for 2 battery 200a angle Iron steel 5*2.5mm, 1 with coating paint resistant of corrosion. 7 Flex cable 4*10mm2 Cu/PVC, 300/500v (By Meter) for PV panel 40 M

8 Flex cable 2*6 mm2 Cu/PVC, 300/500v (By Meter) Output form 30 M inverter 9 Flex cable 35mm2 Cu/PVC (By Meter) for battery to inverter 4 M 10 PVC pipes with connections 0.5 inch (by meters) 30 M 11 DC Enclosures 63 A fuse AC-Dc or 125A MCB, AC, 2 pole breaker with plastic 1 enclosure for PV. 12 16A – MCB, AC ,2 pole with plastic enclosure 4 lines for inverter 1 output. 13 63A - AC manual change over switch MCB size 1 14 Earth system, copper rod 16mm with 1*16mm2 (25 meter) copper wire, carbon and salt. 1

15 220v, 50hz, 60-70watts Stand fan for cooling battery and inverter 1