Supply and Services of DGPS for the use of PPD and Sewerage Circle Kerala Water Authority Thiruvananthapuram

TECHNICAL SPECIFICATION COMPLIANCE STATEMENT

This Compliance Statement is prepared in accordance with Corrigendum.

In case of discrepancy with original NIT, Corrigendum provisions shall prevail.

Multi-Frequency GNSS (DGPS) System

(Base – 1 No., Rover – 3 Nos., Controllers – 3 Nos.)

1. CONTROLLER SPECIFICATIONS

Sl. No Parameter Mandatory Specification Preferred (Higher Feature – Non Mandatory) Compliance Status- Yes/No/ Deviation Remarks

1 Type Full alphanumeric QWERTY + Touch Screen —

2 Display Minimum 5” sunlight-readable color TFT ≥5.5” HD display

3 Resolution Minimum WVGA (800×480) ≥720×1440 pixels

4 Operating System Android v11 or above OR Windows Embedded/Professional Latest available OS

5 Processor ≥1 GHz Multi-core processor

6 RAM ≥2 GB ≥4 GB

7 Internal Storage ≥4 GB ≥64 GB

8 Connectivity Bluetooth, Wi-Fi, USB 4G LTE, remote access

9 IP Rating ≥IP67 IP68

10 Drop Resistance ≥1.2 m onto concrete —

11 Battery ≥8 hours operation ≥12 hours / ≥7000 mAh

12 Sensors — Gyro, Compass, Accelerometer

13 Camera — Integrated camera

14 Distance Measurement External or integrated solution supported Integrated 100m laser

2. GNSS RECEIVER – BASE & ROVER

1 Type Integrated antenna + receiver in single housing —

2 Constellations GPS, GLONASS, Galileo, BeiDou, QZSS, SBAS NavIC, L-Band, HAS

3 Frequency Multi-frequency (minimum dual frequency L1/L2 or equivalent) L5/E5/E6 tracking

4 Channels ≥180 GNSS channels ≥400 channels

5 Measuring Modes Static, RTK, PPK PPP

6 Static Accuracy (H) ≤5 mm + 1 ppm RMS ≤3 mm + 0.5 ppm

7 Static Accuracy (V) ≤10 mm + 1 ppm RMS ≤5 mm + 0.5 ppm

8 RTK Accuracy (H) ≤10 mm + 1 ppm RMS ≤8 mm + 1 ppm

9 RTK Accuracy (V) ≤20 mm + 1 ppm RMS ≤15 mm + 1 ppm

10 Network RTK ≤10 mm + 0.5 ppm (H) ≤8 mm + 0.5 ppm

11 Initialization Time ≤10 seconds —

12 Tilt Compensation Calibration-free IMU, ≥30°, magnetic immune ≥45°

13 Tilt Accuracy — ≤2 cm at 30° tilt

14 Update Rate ≥5 Hz Up to 20 Hz

15 Internal Memory ≥4 GB ≥16 GB / ≥32 GB

16 Data Formats RTCM 2.x/3.x, NMEA, RINEX CMR/CMR+

17 Remote Configuration — Wi-Fi/Web based remote configuration

18 Integrated Modem UHF (410–473 MHz), LTE modem Dual SIM support

3. POWER & BATTERY

1 Battery Type Rechargeable Li-ion —

2 Operation Time ≥8 hours ≥15 hours

3 External Power DC input supported Power bank support

4 Battery Type — Hot-swappable batteries

4. ENVIRONMENTAL SPECIFICATIONS

1 IP Rating ≥IP67 IP68

2 MIL Standard ≥MIL-STD-810G 810H

3 Drop Resistance ≥2 m pole drop —

4 Operating Temp –20°C to +60°C –30°C to +65°C

5 Storage Temp –30°C to +70°C –40°C to +80°C

6 Humidity ≥95% 100% condensing

5. FIELD SOFTWARE

1 Survey Modes RTK, Static, PPK PPP

2 Tilt Display Real-time tilt display —

3 COGO Required Advanced alignment tools

4 Stakeout Points & Lines DTM / Surface stakeout

5 Background Maps Vector & Raster support AR visualization

6 Feature Coding With attributes —

7 Data Export DXF, ASCII KML

8 Coordinate System Datum & projection support Grid + Local transformation

6. POST PROCESSING SOFTWARE

1 OS Windows compatible Latest version support

2 Import Raw + RINEX Multi-format

3 Export DXF, ASCII KML

4 Network Adjustment Least Squares Advanced network tools

5 Multi-Constellation Required Advanced GNSS processing

2 Tribrach with optical plummet Yes

3 Carbon pole Yes

5 Controller mount Yes

6 Chargers & cables Yes

7 Carry cases Yes

8 Complete RTK kit Yes

9 OEM training support Yes

10 Simulator software Preferred (if available from OEM)

All claims must be supported with OEM datasheets and model numbers.

Deviations must be clearly highlighted with justification.

Compliance should be certified and signed by OEM/Authorized Representative.

Select, Excess (+), Less (-) Less (-)

Tender Inviting Authority: THE SUPERINTENDING ENGINEER, PPD & SEWERAGE CIRCLE, KERALA WATER AUTHORY, THIRUVANANTHAPURAM

Name of Work: State Plan-Supply and Services of DGPS for the Sewerage Vertical of KWA -Supply and Services of DGPS for the use of PPD & Sewerage Circle, Kerala Water Authority, Thiruvananthapuram. -Investigation Work.

Contract No: WRD/KWA-CESEWA/TR/3308/2024_3_1_1/ RC1

Name of the Bidder/ Bidding Firm / Company :

Sl. No. Item Description Item Code / Make Quantity Units Estimated Rate Addition / Deduction Addition / Deduction Values Currency Convertion against each Item Quoted Currency in INR / Other Currency BASIC RATE In Figures To be entered by the Bidder Rs. P Excise Duty VAT Freight Charges ( Unloading & Stacking) Any Other Taxes/Duties/Levies Other Taxes 2 IIIrd Party i.e DGS&D / RITES etc Inspection Charges @0.34%+Service Tax Less for Cenvat Credit,if any respect of Supplies Under full Excise Duty Category

1 Supply Charges itemH1

1.01 Supply of DGPS instrument with 1 No.- Base , 3 Nos-rovers, software etc. - as per NIT specifications and conditions. itemH1Code1 Nos Excess(+) Full Conversion INR

Total in Figures

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