Installation Of Various Instruments And Monitoring System At Khodiyar Dam

BILL OF QUANTITIES

(A) Percentage Rate Tender (Up to INR 50 Cr. )

AMRELI IRRIGATION DIVISION – AMRELI

Name of Installation Of Various Instruments And Monitoring System At Khodiyar Dam

MEMORANDUM SHOWING ITEMS OF WORK TO BE CARRIED OUT

Item Qty. Description of Item (with brief specification and Unit Amount

No reference to book of specifications) Estimated Rate

1 9 Item No.1 Item No.1:-

Providing, Supplying, Fitting & Installing Various

Intruments And Connecting With Softwares And

Monotoring System Including All Required

Fittings,CablesSwitches,Clamp,Panels & Frames Etc.at

Specified Location Of Dam as per Instruction Of

Engineer Incharge.

2 4 V-Notch Weir (MechanicalFlow Measuring Device) 19250.00 Rupees Nineteen Nos.

Supplying, installing, testing, and commissioning of a V- Thousand Two

Notch Weir (Mechanical Flow Measuring Device) for Hundred Fifty

measuring low flow seepage in dams. The device shall have

a notch angle of 22.5°, 45°, 60°, or 90° depending on

discharge range, a stainless steel SS-304 / SS-316 plate

with thickness of 3–5 mm, and be suitable for

measurement ranges of approximately 0–50 L/s depending

on notch angle. The weir shall have ±1% full-scale reading

accuracy, operate under 5–100% humidity, temperature

−20°C to +60°C, and provide corrosion protection through

anti-corrosion finish. Complete in all respects as directed

by the Engineer-in-Charge.With different sizes mentioned

90° V-NOTCH-25 X 50 Section-30 Lit/Sec

3 (H)settlement marker 10000 Ten Thousand Nos.

Providing, installing and commissioning permanent

Ground Control Point (GCP) Settlemnt Marker

comprising MS base plate (250×250×5 mm conforming

to IS 2062), GI riser pipe 25 mm dia (medium class as

per IS 1239), sand filling (clean river sand, loose),

optional PVC/GI outer casing (min 100 mm dia),

precast concrete cover (M20, 500×500×50 mm with

central hole), MS/GI reference cap, and painting in

black & white checkerboard pattern using weather-

resistant enamel paint, complete with excavation,

installation, alignment, and all materials, labour, tools,

and accessories, suitable for survey works using Total

Station / drone survey, complete as per specifications

and direction of Engineer-in-Charge.

1 (V)Burden Tube pressure gauge 25000 Twenty Five Nos.

Providing and installing pressure gauge for Thousand

measurement range of 0-10 Kg/Sq or (As per

requirement of Engineer-in-Charge), accuracy ±0.1% of

full scale, over-range capacity up to 150% of rated

range, suitable for operating temperature range from

0°C to +70°C, constructed with stainless steel/IP

wetted parts for corrosion resistance, complete with

required mounting accessories, fittings, testing,

calibration and commissioning, complete in all

respects as per approved specifications and as directed

by the Engineer-in-Charge.

1 (W)Uplift Pressure Measuring Instrument 35000 Thirty Five Nos.

Supplying, installing, testing and commissioning of Thousand

Uplift Pressure Measuring Instrument (Vibrating

Wire Type) for dam instrumentation with operating

range 0–10 kg/cm² or as specified by the Engineer-in-

Charge, over-range capacity 1.5 times the rated range

with over-range effect ±0.1% F.S., resolution 0.025%

F.S. and accuracy ±0.1% F.S., having inbuilt

temperature compensation, suitable for site

conditions with operating temperature −20°C to

+60°C, humidity 5–100% and altitude up to

m, provided with stainless steel enclosure with

protection rating IP-68 / NEMA-4X and lightning

protection, including sensor mounting support, signal

cables and all required accessories, complete with

integration to Real Time Monitoring System (RTMS) /

data logger for continuous monitoring, data acquisition

and transmission to central monitoring system,

complete in all respects as directed by the

Engineer-inCharge.

1 (I) Vibrating Wire Wireless Node (four/five channel) 113000 One lac Thirteen Nos.

Supplying, installing, testing, and commissioning of Thousand

Vibrating Wire Wireless Nodes, integrated for real-

time monitoring and live data transmission to DAS via

mesh network gateway, supporting 1 Vibrating Wire

channel + 1 Thermistor channel (x 4) or (x 5), Flat

Mesh v3 networking protocol, IEEE 802.15.4 standard,

2400–2485 MHz ISM band, 6.5 dBm maximum transmit

power, 200–6000 Hz frequency range with 0.001 Hz

resolution and ±0.02 Hz repeatability, thermistor

measurement ±0.1°C accuracy, −40°C to +85°C range,

powered by 3.6 V lithium thionyl chloride battery

(19,000 mAh) with 10–15 years life, IP68 protection,

complete in all respects as directed by the Engineer-in-

20 (K) 4 Core cable (for wired monitoring) 130 One hundred Thirty RMT

Providing, Supplying, Laying, Fixing, Testing and

Commissioning of 4-Core Instrumentation Cable from

Dam Instrument to Junction Box, including cable

routing, protective conduits/trays wherever required,

termination, ferruling, gland fixing, insulation,

identification tags, clamps, connection accessories, and

all allied materials, complete in all respects as per

technical specifications and direction of Engineer-in-

1 (G)Data Logger (for wireless type system) 710000 Seven Lac Ten Nos.

Supplying, installing, testing, and commissioning of a Thousand

Wireless Data Logger (Gateway), integrated for real

time monitoring and live data acquisition from all

Vibrating Wire sensors, Tilt Meters, Water Level

and Flow Sensors, Weather Station, and RS485

(Modbus) Digital Nodes, with onboard edge

recording for 15 days, internal battery backup, LTE

cellular radio with internal SIM slot, data transfer to

Web DAS via wireless gateway powered by AC/DC,

IP67 rated enclosure, operating −20°C to +60°C,

integrated solar charging circuit with AC/DC charging,

complete in all respects as directed by the Engineer-in-

6.084 Item No.2:- Providing & Laying in position 'NOMINAL 3822.00 Rupees Three Cum.

MIX' cement concrete using cement sand and crushed Thousand Eight

aggregate by machine mix incl. necessary hundred Twenty

formworks,centering,scaffolding compaction by mechanical Two

vibrator curing as directed with all lead & lift etc. (C )

Concrete grade 1:2:4 and MSA-40 mm(Graded)

Rupees Ten Lacs Fifteen Thousand Eight Hundred Fifty three and Five Paisa Only

I/We am/are willing to carry out the work at .............% ..................................percent above / below (should be written in figures and words)

of the estimated rates mentioned above. Amount of my/our tender works out as under.

Estimated Amount put to tender Rs. 10,15,853.05 Estimated Amount put to tender Rs.

Deduct ............% below Rs……………………… Add ............% above Rs………...………

Net Rs…………………… .. Total Rs. Rs…………………

(Please strike out whichever is not applicable.)

All works shall be carried out as per Public Works Depart. Hand Book and other specifications of the department as directed. All the

columns in the Schedule-B should be filled in ink and the total of the entries in the last column should be struck by the contractor under

Rates quoted include clearance of site (Prior commencement of work and at its close) in all respects and hold good for work under all

conditions of site, moisture, weather etc. complete.

Sign of Contractor: Deputy Executive Engineer

Irrigation Sub Division no-4