Construction of RCC Sump of 1.80 Lac. Liter Capacity at Krushnapur Village under 15th finance Programme (20 per. TALUKA LEVEL GRANT YEAR 2024-25.

Name of Work :- Construction of RCC Sump of 1.80 Lac. Liter Capacity at Krushnapur Village under 15th finance Programme.

GWSSB SOR 2022-23

Qty. Unit Item Rate Per Amount

2 RCC GSR ({ description of item for turnkey tender)

Preparing structural design of RCC Under Ground / Partially under ground / above high ground level

Reservoir of requiredcapacity as per relevant |.S. standards 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, casting 100 mm thick P.C.C. levelling course in M15, Refilling the pit with proper soil and disposing

of the surplus stuff at all lead. Including cement plaster in CM 7:2 with approved water proofing compound to

all over inside container (i.e. walls, base, top slab/dome bottom etc. all). 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, Ci

Manhole frame and cover,water level indicator, adequate cowl type ventilators or lantern type ventilator with

stainless steel jail. RCC 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 |.S standards

(1) 1.S. 3370 part | & I! 2009 or Its latest revision

(1.1) ILS. 3370 part Ill & IV 1965 or Its latest revision

(2) 1.S. 456 — 2000 or Its latest revision.

(3) _1.S. 1893 — 2000 — 1984 or Its latest revision.

(4) _1.S. 875, Part— 1 to 3, 1987 or Its latest revision.

General Specifications:-

(1) Water depth in container shall be adopted as per data of tender. Capacity shall be calculated excluding

free board of thereservoir. If water depth is not specified, the suitable water depth / acceptable to field

engineer in accordance with hydraulic

(2) Shape of container (in plan) specified by in data shall be adopted in absence circular shape shall be

(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

(5) Care shall be taken that no damage should occur to nearby existing structure. Compensation shall be

paid for the same byagency.

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

(7) HYSD Fe 415 / 500 grade reinforcing bars confirming to !.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) Mini size (or thick ) of various nts shall be provi as per tender criteria / specifications in absence as

per1.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 datasheet. 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 quantity.

(10) DI 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 within depth.

(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. If GWT / Uplift is mentioned in tender and during excavation it dose not

meet 7.5% rate shall

(13) SS pipes railing shall be provided over sump perifery when sump height is 2 1.5 meter above ground

(14.a) RCC staircase/RCC Steps should be provided from GL to sump top slab based on the height of the

GSR above/below the

(14.6) RCC stair case with SS railing to be provided inside reservoir container. BB Masonry stair cabin with

having locking arrangement to be provided for GSR, Sump and HGLR of capacity more than 7.5 lakhs liter

with top slab. If dome

is constructed as top slab then provide minimum opening of 900 mm x 2000 mm with curbing and SS railing

is constructed as top slab then provide minimum opening of 900 mm x 2000 mm with curbing and SS railing

(15) Appearance of structure should be aesthetically good looking acceptable te authority.

(16) Any change 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

(17) Any change 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 litres 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.

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 incomplete

1.0 Nos 1.00 LACK LITRE 380598.13 Nos

Providing and supplying in standard length ISI mark rigid unplasticised PVC pipes

suitable for potable water with ringfit joint including cost of rings, as per IS specification

no. 4985/1988 including all local and central taxes, transportation, freight charges,octroi,

inspection charges, loading, unloading, conveyance to the departmental storesand

including cost of jointing meterial etc. complete.

60.00 RMT PVC pipe-110mm dia 8kg/cm2 199 RMT

Excavation for pipe line trenches for water supply, sewerage line, manhole etc.all with

shoring and struting if required as per required gradient and line. incl. all safety

provisions using site rails and stacking excavated stuff up to all required lead cleaning

the site etc. complete for lifts and strata as specified. Up to 1.5 mt depth.

4.32 Cum (a) In all sort of soils and soft murrum 89.00 Cum

4.32 Cum (b) In hard murrum, boulders, incl. Macadam road. 135.00 Cum

4.32 Cum (c)In soft rock and/or masonry in CM or LM or Lime Concrete. 163.00 Cum

(d) In hard rock and/or C.C. 1:2:4 or R.C.C. with blasting, braking and chiseling, or by

30.24 Cum chiseling /braking only. 372.00 Cum

Lowering, laying and jointing PVC pipes and specials of following class and diameter

including cost of conveyance from stores to site of works including cost of labour,

material, except cement solvent, givingsatisfactory hydraulic testing as per ISI code.

60.00 RTM PVC pipe-110mm dia 8kg/cm2 19.00 RTM

Refilling the pipeline trenches incl. ramming watering consolidation disposal of surplus

stuff as directed with in radius of 3 kms.

42.63 RMT PVC pipe-110mm dia 8kg/cm2 22.00 RMT

Sign of Contractor Deputy Executive Engineer

P H S Sub Division

I/We am/are willing to carry out the work at___________above/below__________________

(should be written in figures and words)the estimated cost mentioned above amount of my/our tender

1 All the items of work shall be carried out as per P.W.D. Head book Voi. I and II ( Letest Dnd,) and the work shall be carried out as

per general specification of relevent items as per the booklet of P.H.S. Division (G.W.S.& S.Board) Attached with the Tender copy

and other specification of division as directed.

2 All the column is schedule 'B' should be filled in ink and the total of the entires in the last column shall be filled in by the contractor

under his signature.

3 Rates quoted shall be for the completed items of works and shall include clearance of site prior to respect the holds good for work

under all condition site moisture weather etc.complete.

4 Necessary Rojkam should be made prior to commencment of work etc. pressence of panchyat.

Deputy Executive Engineer

Sign of Contractor P H S Sub Division