Installation of various instruments at Lakhanka and Hamirpara Irrigation Scheme

MEMORANDUM SHOWING ITEMS OF WORK TO BE CARRIED OUT

It. Qty. Description of Item. Estimated Unit Amount

Providing, Supplying, installing, testing, and

commissioning of a V-Notch Weir (Mechanical

Flow Measuring Device) for 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

1 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.

(1) 90° V-NOTCH-20 X 40 Secticin 15 Lit/Sec

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,

2 32 500×500×50 mm with central hole), MS/GI 10000 Nos.

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-

Providing & Laying in position 'NOMINAL MIX'

cement concrete using cement sand and crushed

30.582 aggregate by machine mix incl. necessary

3 formworks ,centering ,scaffolding compaction by 3822.00 m3

mechanical vibrator curing as directed with all

lead & lift etc.

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

I/We am/are willing to carry out the work at 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 *Estimated Amount

Put to tender ………….Rs. Put to tender …….Rs.

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

1) All work shall be carried out as per Public Works Department Hand book and other

specifications of Division or as directed.

2) All the columns of Schedule should be filled in ink and t e total of the entries in the last column

should be struck by the contractor under his signature.

3) Rates quoted include clearance of site (prior commencement of work and at its close) in all.

BILL OF QUANTITIES

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

Ite Description of Item (with Quantity Unit Rate Amount

m brief specification and In

No reference to book of figure

specifications) s

Attached Separately

I/We am/are willing to carry out the work at… % above/below percent(Should

be written in figures and words) of the estimated rate mentioned above. Amount of my /our

tender works out as under.

Estimated amount put to tender Estimated amount put to tender

Deduct………% below Add………% Above

In words In words

(B) For Item Rate Tender (For above INR 50 Cr.):

Ite Description of Item Quantity Unit Rate Amount

m (with brief specification

No and reference to book In In

of specifications) figure Word

(A) Total Tendered Amount

(B) Rebate on above tendered amount (if any) % (in figure) ………………………………

(C)Net Tendered Amount (A-B) (in figure) ………………………………

1 The Contractor shall exhibit a board with brief details of work as directed by the

Engineer-In-Charge for which no extra payment shall be made.

2 The labourcess will be deducted as per prevailing rules i.e. 1% of the work done.

3 GST and Income tax TDS will be deducted at a source while making payments of bills

4 In all R.C.C. Items in Rate Analysis Standard Cement Consumption has been taken as per

Govt. G.R. NO.: MIS102010/17/K1 Dated:30/07/2018 as stated in S.O.R. therefore in

R.C.C. items where there is a change as per actual mix design the cost of difference of

cement consumption have been deducted from the rate of original item at the rate of

input rate mentioned in all the tender.

Deputy Executive Engineer Executive Engineer

Signature of Contractor Irrigation Sub division Bhavnagar Irrigation Division

Bhavnagar Bhavnagar