Automatic Lightning Risk Alert System (ALRAS)

1. Automatic Lightning Risk Alert System (ALRAS) Coherent Technology 16, Arumugam Road, #02-03, Lion Building D Singapore 409961 Tel : 67418673 Fax: 67418263 Contact : K H Yeow HP: 97424602

2. Manual Solution MOE/NEA * Receiving lightning risk alert SMS message by mobile phone * Manual alert message dissemination for activation & de-activation * Very intensive human intervention especially at raining season * Error prompt SMS SMS SMS Wireless Manual Manual Manual Manual / Physical Link Lightning Risk Alert Date : Time : Red Flag PA System White Board

3. Semi-Auto Solution MOE/NEA * Receiving lightning risk alert message by mobile phone * Manual alert message dissemination for activation & de-activation * Eliminate part of the human intervention, improve coverage interms of space and time * Error prompt * Need to man the hand phone * Need to be present at the location of the ON/OFF switch in-order to activate or de-activate. SMS Wireless Manual Siren Strobe Light

4. What is ALRAS ? An automatic solution to lightning risk alert which integrate to the existing manual or semi-auto system MOE/NEA How it Works ? SMS * Receive lightning risk alert directly by the the ALRAS controller. * Automatic activate strobe light and siren according to the date and time message specified by the message. * Automatic extend the activation if receive extension SMS * Automatic cancel activation if received cancellation SMS SMS SMS Auto Wireless Wired

5. How the controller internal works ? * Inside each controller have a GSM receiver which is functionally equivalent to a GSM hand phone. * The GSM receiver had installed a normal hand phone SIM card and phone number. * Once this phone number had been register with MOE/NEA as one of the user, the alert message will send directly to the GSM receiver. * The controller “read” the message contents and retrieve the date and time duration information * And the date & time information is use to activated the light and siren connected to it.

6. Product Demonstration

7. ALRAS Auto mode of operation - message forwarding * Forward the received message to another five user * Use for system checking & monitoring Wireless Wired Auto SMS SMS SMS SMS

8. ALRAS Manual mode of operation To by-pass automatic alert during examination or special events SMS Manual Override SMS Wireless SMS Wired

9. ALRAS Mode of operation - remote control User hand phone can be set to remotely control the light and siren for the purpose of : * Manually enforce the siren activation * Maintenance SMS Wireless Strobe Light & Siren remote control by hand phone Wired

10. Other Features - separate alert channel control * Connect up to maximum 5 Strobe Light & 5 Siren * Strobe light turn ON for the entire alert period * Siren turn ON for duration is adjustable (0~60 seconds) * Daily start and stop response time adjustable * Controller buzzer volume control * Panel LCD for in-coming SMS messages display * Intrinsically safe by using low voltage light & siren (DC24V)

11. Installation Option 1 In-door or Out-door In-door (eg. General Office) Strobe Light Siren Large Screen Display Panel ALRAS controller with full features

12. Installation Option 2 (Saving on Installation Cost) In-door/ Out-door Out-door (Nearer to the light & Siren Strobe Light Siren ALRAS controller (w/o front panel control)

13. Installation Option 3 (For hard to reach area coverage) In-door Out-door Master controller Wireless Slave Controller

14. Benefits of Automated Operation * Long-terms cost saving over the manual system and semi- auto system by reducing recurring man-power for handling alert message. * Reduce interruption to other more important or more immediate task. * More instant and accurate response to alert message compare to manual system. * More reliable, less human mistake. * Estimated break-even at 2nd years vs. manual system * Estimated break-even at 3rd years vs. semi-auto system

15. Cost Comparison - Manual System 1. Equipment Cost = $0 2. Running Cost = $2450 per year * Alert handling time per alert 12 min * Average no of alert / month (**) 60 SMS alert * Total time spend per month 720 min * Total time spend per year 8640 min (144 hrs) * Man-power per hour ($3000 per month) $17 * Total running cost per year $2450 ** Assume 10 days / month having lightning risk alert and each alert having average 6 message.

16. Cost Comparison - Semi-auto System 1. Equipment Cost = $1735 (2 light + 1 siren) * Manual Controller $300 * Strobe Light (2 unit) $350 * Siren (1 unit) $85 * Installation & Cabling $1000 2. Running Cost = $1320 per year * Equipment running cost (maintenance) $300 / year * Man-power running cost $1020 / year - Alert handling time per alert 5 min - Average no. of alert per month 60 times - Total time spend per month 300 min - Total time spend per year 3600 min (60 hrs) - Man-power per hour ($3000 per month) $17 - Total running cost per year $1020

17. Cost Comparison - Automatic System 1. Equipment Cost = $3185 (2 light + 1 Siren) * ALRAS Controller $1750 * Strobe Light (2 unit) $350 * Siren (1 unit) $85 * Installation & wiring $1000 2. Running Cost = $600 per year (Maintenance & SIM card usage)

18. Cost Comparison (Accumulative) - Equipment & Running Cost Accumulative Cost 1st Year 2nd Year 3rd Year 4th Year 5th Year Auto System $3185 $3735 $4385 $4985 $5585 Semi-auto System $1735 $3055 $4375 $5695 $7015 Manual System $2450 $4900 $7350 $9800 $12250 * System breakeven on 2nd year vs. the manual system * System breakeven on 3rd year vs the remote manual system

19. System Running Cost - direct * Monthly subscription plan - About $30 per month (cheapest plan) * Top up card service plan - < $20 / half year System Running Cost - indirect * Periodic remote system check for controller * Periodic system preventive maintenance on-site * Servicing and repair for strobe light, siren & cabling * Phone line subscription fee or top up of SIM card * System Clock Calibration * Change of system configuration & setting

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