expansion of glof early warning system on mochhu & tarina ... · expansion of glof early...

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Sutron Corporation | 22400 Davis Drive | Sterling, VA 20164 | 703.406.2800 | www.sutron.com | [email protected] February 6, 2014 Expansion of GLOF Early Warning System on Mochhu & Tarina Sub- Basins in the Punatsangchhu Basin BHUTAN GLOF EARLY WARNING SYSTEM PROJECT NAME Expansion of GLOF Early Warning System on Mochhu and Tarina Sub-basins in the Punatsangchhu Basin PROJECT LOCATION Bhutan PROJECT OWNER Department of Hydromet Services, Ministry of Economic Affairs PROJECT CONTACTS Karma Dupchu Project Manager [email protected] Sangay Tenzin Deputy Project Manager [email protected] AWARD DATE April 2013 COMPLETION DATE December 2013 CONTRACT # DHMS/HD/GLOF-UN- DP/2012-13 VALUE $165,819 EQUIPMENT 2 AWS Stations 9210 XLite datalogger Iridium modem Dual orifice constant flow bubbler Ultrasonic WS/WD sensor Barometric pressure sensor AT/RH sensor Tipping Bucket Rain Gauge Pyranometer 2 AWLS Stations 9210 XLite datalogger Iridium modem Dual orifice constant flow bubbler Tipping Bucket Rain Gauge 1 SIREN STATION 9210 XLite datalogger Iridium modem Whelen OA-1 Siren UPDATED CONTROL CENTER SOFTWARE Updated Tempest data acquisition software Updated customized Siren Control GUI Updated customized web page for data display TELEMETRY IRIDIUM PROJECT DESCRIPTION In September of 2011 Sutron completed installation of a GLOF Early Warning System on the Phochhu and Punatsangchhu Rivers. The original system consisted of 4 stream gauge stations, 2 hydromet stations and 17 siren stations along with a control center in Wangdi. Since that time Bhutan’s Department of Hydro-met Services (DHMS) has determined that an expansion of the system in the Moshhu and Tarina Sub-basins would be prudent in order to improve the early warning system. Expansion of this GLOF Early Warning System consists 5 new stations comprised of 2 additional stream gauge stations, 2 additional hydromet stations and 1 additional siren station. This brings the total system to 6 stream gauge stations, 4 hydromet stations and 18 siren stations. The water level stations detect a sudden rise in stream levels or a sudden drop in lake levels. If user-defined threshold values are exceeded, sirens are activated that are located downstream and in the populated areas. Tashithang Automatic Water Level Station (AWLS)

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Page 1: Expansion of GLOF Early Warning System on Mochhu & Tarina ... · Expansion of GLOF Early Warning System on Mochhu & Tarina Sub-Basins in the Punatsangchhu Basin. BHUTAN GLOF EARLY

Sutron Corporation | 22400 Davis Drive | Sterling, VA 20164 | 703.406.2800 | www.sutron.com | [email protected] February 6, 2014

Expansion of GLOF Early Warning System on Mochhu & Tarina Sub-Basins in the Punatsangchhu Basin

BHUTAN GLOF EARLY WARNING SYSTEM

PROJECT NAME

Expansion of GLOF Early Warning System on Mochhu and Tarina Sub-basins in the Punatsangchhu Basin

PROJECT LOCATION Bhutan

PROJECT OWNER

Department of Hydromet Services, Ministry of Economic Affairs

PROJECT CONTACTS

Karma DupchuProject [email protected]

Sangay TenzinDeputy Project [email protected]

AWARD DATE April 2013

COMPLETION DATE December 2013

CONTRACT # DHMS/HD/GLOF-UN-DP/2012-13

VALUE $165,819

EQUIPMENT

2 AWS Stations 9210 XLite datalogger Iridium modem Dual orifice constant flow

bubbler Ultrasonic WS/WD sensor Barometric pressure sensor AT/RH sensor Tipping Bucket Rain Gauge Pyranometer

2 AWLS Stations 9210 XLite datalogger Iridium modem Dual orifice constant flow

bubbler Tipping Bucket Rain Gauge

1 SIREN STATION 9210 XLite datalogger Iridium modem Whelen OA-1 Siren

UPDATED CONTROL CENTER SOFTWARE Updated Tempest data

acquisition software Updated customized Siren

Control GUI Updated customized web

page for data display

TELEMETRY IRIDIUM‰

PROJECT DESCRIPTION

In September of 2011 Sutron completed installation of a GLOF Early

Warning System on the Phochhu and Punatsangchhu Rivers. The original

system consisted of 4 stream gauge stations, 2 hydromet stations and

17 siren stations along with a control center in Wangdi. Since that time

Bhutan’s Department of Hydro-met Services (DHMS) has determined that

an expansion of the system in the Moshhu and Tarina Sub-basins would be

prudent in order to improve the early warning system.

Expansion of this GLOF Early Warning System consists 5 new stations

comprised of 2 additional stream gauge stations, 2 additional hydromet

stations and 1 additional siren station. This brings the total system to 6

stream gauge stations, 4 hydromet stations and 18 siren stations.

The water level stations detect a sudden rise in stream levels or a sudden

drop in lake levels. If user-defined threshold values are exceeded, sirens

are activated that are located downstream and in the populated areas.

Tashithang Automatic Water Level Station (AWLS)

Page 2: Expansion of GLOF Early Warning System on Mochhu & Tarina ... · Expansion of GLOF Early Warning System on Mochhu & Tarina Sub-Basins in the Punatsangchhu Basin. BHUTAN GLOF EARLY

Sutron Expansion of GLOF Early Warning System on Mochhu and Tarina Sub-basins in the Punatsangchhu Basin 2

Sutron Corporation | 22400 Davis Drive | Sterling, VA 20164 | 703.406.2800 | www.sutron.com | [email protected]

SYSTEM MAP

System Map

Tashithang Staff Gauge & Dual Orifice Termination

Yebessa Water Level Station with Tipping Bucket

Page 3: Expansion of GLOF Early Warning System on Mochhu & Tarina ... · Expansion of GLOF Early Warning System on Mochhu & Tarina Sub-Basins in the Punatsangchhu Basin. BHUTAN GLOF EARLY

Sutron Expansion of GLOF Early Warning System on Mochhu and Tarina Sub-basins in the Punatsangchhu Basin 3

Sutron Corporation | 22400 Davis Drive | Sterling, VA 20164 | 703.406.2800 | www.sutron.com | [email protected]

Siren Station S-18 Construction

Siren Station S-18 Construction

Page 4: Expansion of GLOF Early Warning System on Mochhu & Tarina ... · Expansion of GLOF Early Warning System on Mochhu & Tarina Sub-Basins in the Punatsangchhu Basin. BHUTAN GLOF EARLY

Sutron Expansion of GLOF Early Warning System on Mochhu and Tarina Sub-basins in the Punatsangchhu Basin 4

Sutron Corporation | 22400 Davis Drive | Sterling, VA 20164 | 703.406.2800 | www.sutron.com | [email protected]

Siren Control GUI

Page 5: Expansion of GLOF Early Warning System on Mochhu & Tarina ... · Expansion of GLOF Early Warning System on Mochhu & Tarina Sub-Basins in the Punatsangchhu Basin. BHUTAN GLOF EARLY

Sutron Expansion of GLOF Early Warning System on Mochhu and Tarina Sub-basins in the Punatsangchhu Basin 5

Sutron Corporation | 22400 Davis Drive | Sterling, VA 20164 | 703.406.2800 | www.sutron.com | [email protected]

Custom Web Site

Completion of Training Sessions at Control Center in Wangdi