Constructions of RCC UG Sump -3.00 LL in Krushna Nagar Vistar at Village Bhatiya, Ta-Kalyanpur under 15 Percentage Vivekadhin Yojana FY 2025-26.(2nd attempt)

Name of Work: Constructions of RCC UG Sump -3.00 LL in Krushna Nagar Vistar at Village Bhatiya, Ta-Kalyanpur under 15% Vivekadhin

Yojana FY 2025-26.

Memorandum showing the approximate quantities for Item of works to be carried out for the above work

Approximate amount put to tender Rs.

Quantity Unit Items Rate Rate in Words Amount

Preparing structural design of RCC Under Ground / Partially

under ground / above high ground level Reservoir of required

capacity as per relevant I.S.s and constructing the same,

including excavation in all types of soil strata (including rock)

including shoring strutting if required, for loose soil / to protect

from collapse due to near by traffic load, casting 100 mm

thick P.C.C. leveling course in M-10, Refilling the pit with

proper soil and disposing of the surplus stuff within a lead of

50 meters. Including cement plaster in CM 1:3 with approved

water proofing compound to inside water touching surface to

container. Including all types of labour and material charges

of lowering, laying, erecting / hosting and jointing of pipe

assembly to inlet, outlet overflow, washout and bye pass

arrangement as per hydraulic design.

Providing and fixing accessories like MS / GI Ladder, CI

Manhole frame and cover, water level indicator, adequate

cowl type ventilators or lantern type ventilator with stainless

B.B. Masonry chambers for valves. Providing and applying

three coats of cement paint / snowcem to the out side face of

structure. It also includes satisfactory water tightness test as

per relevant I.S. code and painting name of scheme and

capacity on the tank as per direction of engineer in charge.

List of Indian Standards for Design of GSR / SUMP:-

The structural design of GSR shall be in accordance with

provisions relevant I.Ss.

(1) I.S. 3370, Part – 1 to 2, 2009 or latest revised.

(2) I.S. 3370, Part – 3 to 4, 1965 or latest revised.

(3) I.S. 456 – 2000 or latest revised.

(4) I.S. 1893 – 2000 – 1984 or latest revised.

(5) I.S. 875, Part – 1 to 3, 1987 or latest revised.

General Specifications:-

(1)Water depth in container shall be adopted as per data of

tender. If water depth is not specified the suitable water depth

/ acceptable to field engineer in accordance with hydraulic

requirement shall be adopted for capacity.

(2)Shape of container (in plan) specified by in data shall be

adopted in absence circular shape shall be adopted.

(3)Size shall be fixed as per availability of space (land area)

at site / acceptable engineer in charge.

(4)Effect of overlapping of pressure bulbs on soil due near by

structure and proposed sump should be considered.

(5)Care shall be taken that no damage should occur to

nearby existing structure. Compensation shall be paid for the

same by agency.

(6)The minimum concrete grade for RCC shall be M-30.

Quantity Unit Items Rate Rate in Words Amount

(7)HYSD Fe 415 / 500 grade reinforcing bars confirming to

I.S. 1786 / 1139 shall be considered in design. CRS / TMT

bars shall be provided. In saline atmosphere corrosion

resistance stainless steel / HCR rebar shall be provided. Any

other steel can be used with approval of C.E./ in situation of

non availability in market without extra cost.

(8)Minimum size (or thickness) of various components shall

be provided as per tender criteria / specifications in absence

as per I.S./ Std. practice of G.W.S.S.B. Minimum dimensions

specified for various components in tender data /

specifications shall be provided without fail.

(9)The safe bearing capacity (SBC) shall be referred from

SBC test report. In absence of report it shall be referred from

data sheet. If poor soil is found / water table is met with

during excavation SBC shall be scientifically ascertained and

design shall be revise. No extra shall be paid for increase in

(10)CI pipes and special shall only be used if type is not

specified in tender.

(11)The rate shall include cost of dewatering during

excavation making all arrangement when water table meets

(12)The structure shall be designed properly to resist uplift

due to ground water table specified in data or actual ground

water table meets with during excavation. No extra shall be

paid. If GWT / Uplift is mentioned in tender and during

excavation it dose not meet 7.5% rate shall be reduced.

(13)SS pipes railing shall be provided when sump is more

than 2 meter above ground level.

(14.a) MS Staircase/Rcc Stair should be provided from

ground level to top slab based on the height of GSR

above/below the GL

(14.b) MS Staircase with steel railing to be provided inside

reservoir container BB Masonry stair cabin with MS safety

door with lock arrangement to be provided for GSR sump and

GSR of capacity more than 7.5 lakh liter with top slab if dome

is constructed as top slab then provide minimum opening of

900x2000 mm with curbing and SS railing around

(15)Appearance of structure should be aesthetically good

looking acceptable to authority.

(16)Any charge in size, shape, depth below GL, height above

GL, water depth, F.B., size of member etc can be permitted in

exceptional case due to site condition or hydraulic design

requirement by C.E. No extra shall be paid for change.

(17)Any charge in data, dimensions, shape, water depth,

reduction in size if permitted by competent authority and if it

reduces quantity then payment shall be reduced prorate.

(18)When capacity of GSR / Sump is > 20 lakh liters two or

suitable compartments acceptable to executive engineer shall

be designed and provided.

(19)Agency shall engage qualified (at least graduate)

consulting engineer for designing the structure and he / she

shall visit the site for guidance of work.

Quantity Unit Items Rate Rate in Words Amount

(20)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 the work shall be treated as

Above conditions / general specifications Sr. No. 1 to 19 are

part and parcel of tender (contact) and prevail over other

provisions in tender.

As above without water table(sub soil water level below

Rupees Nine Lac Sixty Seven

Capacity of Sump 3.00 Lakh Ltr. At Krushna Nagar Vistar of

1.00 NO 967691.70 Thousand Six Hundred Ninety

Bhatiya Village

One & Paise Seventy only

I am/ we are willing to carry out the work at …………………………………… above/ below (In

words)……………………………………………………………………………………………………percent above/below the Tender Rates

mentioned above.

All the Items of work shall be carried out as per the PWD handbook volume-I & II (latest addition) and other specification of

division as directed

All the column in schedule shall be filled in ink and the total of the entries in the last column shall be struck of by the contractor

under his signature.

Rates quoted shall be for the completed Item of work etc shall be include clearance of site (prior to commesement of work its

close) in all respects and hold goods for work under all conditions at site I.e. moisture weather.

The amount recoverable from the contractor by the Gujarat water supply and sewerage Board on any account shall be liable to

be recovered from the amount payable to the contractor /suppliers.

Deputy Executive Engineer Executive Engineer

Contractors signature

PHS Sub Division-GWSSB PHW Division-GWSSB

Kalyanpur Jam Khambhaliya