Dasaj, Unjha Ta.: Construction of an elevated drinking water tank (ESR) in the village (2026-27) (MP Fund)

Name of work :- Dasaj, Unjha Ta.: Construction of an elevated drinking water tank (ESR) in the village (2026-27)

Item Qty Perticulars of Item In Per Amount

No Figure(without GST)

1 Designing structurally (and aesthetically) complying provisions of relevant Indian standards and constructing RCC Elevated service

Reservoir of the Following capacity and height , using data of S.B.C of proposed site , Seismic zone, Wind speed Zone.Including (1)

Container shape any suitable type(or as specified)(2)Staging consist of column brace trestle / shaft / combination column- brace trestle

and shaft as appropriate(or as specified) and (3) Appropriate foundation system. This includes excavation in all types of soil

strata(including hard rock ), casting100 mm thick P.C.C. levelling course in M-10 , Refilling the pit with proper soil and disposing of the

surplus stuff within a lead of 50 meters. (4) This will also include cement plaster in CM 1:2 with approved water proofing compound to

inside face of container. (5) All types of labour & material charges of lowering , laying, erecting / hoisting & joining of pipe assembly of

Inlet, Outlet overflow,washout and bye pass arrangement as per hydraulic design are including.(6) Providing and fixing

accessories(specified) like MS/GI Ladder Cl Manhole frame and covers, water level indicator . lightening conductor. GI Pipe railing

around walk way, at roof level, at gallery and around landing of inside shaft, Adequate cowl type ventilators or lantern type ventilator

with stainless steel jail.(7)Scope of work includes constructing RCC spiral staircase with adequate tie beams ,staircase footing ,B,B.

Masonry chambers for valves. ventilating shaft and ventilators as well as door in shaft .(8) including providing and applying three coats

of cement paint/snowcem (as specified) to the whole structure. (9) It also includes Satisfactory water tightness test as per relevant I.S.

Code and painting name of scheme & capacity on the tank as per direction of engineer in charge.

List of Indian standards for Design of ESR:

Note : The structure design of ESR shall be in accordance with provision of

relevant Indian standards

(1) I.S. 3370 part I & II 2009 or latest revised

(1.1) I.S. 3370 part III & IV 1965 or latest revised

(2) IS 456.2000 or latest revised

(3) IS 11682- 1985 or Latest revised

(4) 1893.2002 part I to V or latest revised

(5) IS 13920-1993, or latest revised

(6) IS 875 part I to 111,1987 or latest revised

(7) IS 11089-1987 or latest revised

General Specification:

(1) The Min. concrete grade for RCC snail be M :30. Proportion of concrete Ingredients shall be as per Mix design using weigh batching

(2) HYSD( Fe 415)or higher grade reinforcing bars confirming to IS 1786/1139 or CRS ITMT bars shall be used as PER detailed

(3) Incase of column—brace trestle type staging having more than 6 columns internal horizontal bracing is obligatory. One bracing shall

be at foundation level Incase of Individual footings .

(4) Min.size/ thickness of various components shall be provided as per design criteria/specifications ( or as per std.practice)

(5) Minimum dimensions specified for various components in tender data /specifications shall be provided without fail.

6)The Safe bearing capacity (SBC) /allowable pressure on soil shall be referred from SBC test report or tender data sheet. If poor soil

strata is met with or ground water table is met with the SBC shall have to be re ascertained scientifically and the design shall be revised

(7) Maximum spacing between horizontal bracings shall be 5 m(storey height).

(8) The BB Masonry cabin with MS door shall be constructed when spiral staircase is outside the staging.

(9) M.S. ladder shall be provided and fixed for access to roof when height of roof from G.L. is up to 10 m. For ESR having more than

m height RCC .spiral staircase or suitable RC staircase shall be constructed

(10) For ESR-having staging height more than 15 m the spiral staircase shall be provided inside the staging with effective tie beams in

more than one direction

(11) Water level indictor shall be provided and fixed float type /electronic (as specified).

(12) The rate shall include providing and fixing pipes, specials, and valves required for inlet. outlet , wash out. Over flow and bye pass

arrangement. The scope of work includes constructing supporting RC pillars, erecting, laying,fixing and Joining pipes and specials etc up

to 5m length from face of staging (outer most column).

(13) CI pipes & specials shall only be used .

(14) The rate shall Include cost of dewatering during execution making all arrangement and any dewatering technic.

(15) The structure shall be designed property for uplift due to Ground water table specified in data or GWT met with during execution.

No extra shall be paid.

(16) Effective curing shall be carried out as per specifications.

(17) Agency shall engage qualified (at least graduate)consulting engineer for designing the structure and he/she shall visit the site for

guidance of work at least 3 times.

18)75 % part rate shall be payable for Concrete, Reinforcement and Plastering items of container until satisfactory.hydraulic testing for

water tightness is performed as per tender condition . Till then the work shall be treated as incomplete.

Above conditions f general specifications Sr. No. 1 to 17 are part & parcel of tender(contract)

A) Upto stagging height(L.S.L) 12mt train G.L. end S.B.C

Capacity of ESRs(sheel tppe container like cyllindrical, conical, intze,folded plate & its combination (GWSSB SOR 2022-23 Section C Item No.1.Page

No.49) Cost of 50000 liters

19260.9 Add Capacity above 50000 Litres to 100000 Litres 11.39 Liter

Total for 92000 Liter Capacity

(In Word Fourteen Lakhs Thirty Eight Thousands Eight Hundred Eighty Three and Fourty Eight Paise Only)

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

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

Estimated amount Rs……………………………. Estimated amount Rs……………………………….………..

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

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

Signature of contractor: Executive Engineer

Panchayat Irrigation Division