CONSTRUCTING A FIELD OUTLET -19 Nos & NALA PLUG-05 Nos AT VILLAGE :KAVLI TALUKA :JAMBUSAR, DISTRICT :BHARUCH

Name of Work:-CONSTRUCTING A FIELD OUTLET -19 Nos

& NALA PLUG-05 Nos

AT VILLAGE :KAVLI TALUKA :JAMBUSAR

DISTRICT :BHARUCH.

ESTIMATED AMOUNT PUT TO TENDER: - RS.1047400/-

TA.JAMBUSARD.BHARUCH

WDC2.0 KAVI PROJECT

Phone No 7567898555,

PIA:- DISTRICT WATERSHED DEVELOPMENT UNIT-BHARUCH

Notice Inviting On-Line Tender

Department Name :- “District Watershed Development Unit-Bharuch”

Behind Old Mamlatdar Kacheri, Kanbiwaga, Bharuch-392001

Name of Project :- PMKSY WDC 2.0 KAVI Project

Name of work :- Constructinga A Field outlet -19 nos & Nala plug-05nos

@ Village Kavli Ta-Jambusar D-Bharuch

Estimated Contract Value :- Rs.1047400/-

Period of Completion :- 4 Months

Approved Govt. Registered :- “E1”& Above,

Bid Call(Nos.) :-

Tender Currency :- Indian Rupee(INR)

Bid Document fee By DD :- Rs.900/-

Bid document fee Payable :- “P D DWDU BHARUCH 18 SILUDI”

Bid Security/EMD(INR) :- Rs.10474/-

Bid Security/EMD(INR) in :- “P D DWDU BHARUCH 18 SILUDI”

Bid document :- 16/01/2026 12.00 AM

Downloading start Date

Bid document :- 05/02/202618.00 PM

Downloading End Date

Last Date & Time for :- 06/02/202618.00 PM

Receipt (Submission) of

Bid validity period :- 45 days after opening of price bid

Submission of certain :- Submission of Tender Fee and EMD in original during office

documents etc. hours within 7 (Seven) days from the last date of Opening in

in person in the office of the the office the“Technical Expert” DWDU Bharuch-The

“Technical Expert ” exemption certificates of EMD will not beconsidered. The EMD

District watershed is to be paid as per provisions of tender document i.e.

development Rs.50,000/-as DD or FDR & Balance Amount As Bank

unit,bharuch Guarantee (The amount of Earnest Money Deposit with the

C/o “District Rural validity period of not less than 6 months).Submission of

Development Agency” Tender Fee, EMD & Other Required Documents / Pre

Behind Old Mamlatdar Qualifications Documents shall be submitted online

Kacheri, Kanbiwaga, (documents shall have to be scanned & put up online).

The original documents shall have to be submitted last date of

submission of tender throughR.P.A.D.only. The physical

submission of Tender Fee & EMD is not received in time as

shown inbid documents, he will be banned for submitting

tenders of “Technical Expert” PMKSY DWDU Bharuch in future

and recommend the appropriated authority to cancel his

registration and cancelling tendering code.The documents

related to Pre-Qualificationand Other Required Documents

shall be submitted online on www.nprocure.com” for

evaluation as per R & B DepartmentGuidelines. Hard copies of

documents in this regards shall not be accepted by Technical

Expert” PMKSY DWDU Bharuch, Any document, required as

per the PQ Criteria, not uploaded online shall be considered

as“Document Not Submitted” and evaluation shall be carried

out accordingly, the document shall not be asked from the

bidder subsequently, please note.showninbid documents, he

will be banned forsubmitting tenders of “Technical Expert”

PMKSY DWDU Bharuch “ in future andrecommend the

appropriated authority tocancel his registration and

cancellingtendering code.The documents related to Pre-

Qualificationand Other Required Documents shall besubmitted

online on www.nprocure.com” forevaluation as per R & B

DepartmentGuidelines. Hard copies of documents in

thisregards shall not be accepted by Technical Expert” DWDU

Bharuch, Anydocument, required as per the PQ Criteria,

notuploaded online shall be considered as“Document Not

Submitted” and evaluationshall be carried out accordingly, the

documentshall not be asked from the biddersubsequently,

Remarks :- Tenderer shall submit their offer in electronicformat on

website, after digitally signing thesame. Offers which are not

digitally signedwill not be accepted. No offer in physical

form will be accepted and any such offer ifreceived by

Technical Expert” DWDU Bharuchwill be outrightrejected.

Bid Opening Date :- 06/02/2026 from 12.00 PM Onwards.

In the office of the “Technical Expert ” District watershed

development unit,BharuchC/o “District Rural

Development Agency”Behind Old Mamlatdar Kacheri,

Kanbiwaga, Bharuch-392001

Officer Inviting Bids :- “Technical Expert ”, District watershed development

Bid Opening Authority :- Technical Expert ”, District watershed development

Address :- “Technical Expert ”, District watershed development

unit,BharuchC/o “District Rural Development Agency”

Behind Old Mamlatdar Kacheri, Kanbiwaga, Bharuch-

Contact Details :- Phone :-

E-Mail :- [email protected]

General Terms and Conditions

(1) Bidders can download the tender document free of cost from the website.

(2) Bidders have to submit Technical bid as well as Price bid in Electronic format only on

nprocure website till the Last Date & time for submission.

(3) Offers in physical form will not be accepted in any case.

(4) Free vendor training camp will be organized every Saturday between 4.00 to 5.00 P.M. at

(n)code solutions-A Division of GNFC Ltd., Bidders are requested to take benefit of the same.

Bidders who wish to participate in online tenders will have to procure / should have legally valid

Digital Certificate as per Information Technology Act-2000 (Class-III) using which they can sign

their electronic bids. Bidders can procure the same from any of the license certifying Authority of

India or can contract (n)code solutions- A division of GNFC Ltd, who are licensed Certifying

Authority by Govt. of India.

In case bidders need any clarifications or if training required to participate in online

tenders, they can contact (n)Procure Support team:-

(n)code Solutions-A division of GNFC Ltd.,

(n)Procure Cell

403, GNFC Infotower, S.G. Road,

Bodakdev, Ahmedabad – 380054 (Gujarat)

Contact Details

Reliance : +91-79-30181689

E-mail : [email protected]

Other Terms & Conditions as per detailed tender documents

Name of Work:-Constructinga A Field outlet-19 &Nala Plug -05nos@ Village KavliTa-JambusarD-

Important Details

Details of Committee

PMKSY WDC 2.0 KAVI PROJECT have been Sanctioned under Integrated Watershed

Management Programme (Guideline–2021) and running under District Watershed Development

unit, Bharuch. InKavliVillage, Village Level committee has formed for implementation of this

project.This is called “Watershed committee -Kavli”.

Details of Reference:-

Gujarat State Watershed Management Agency, Gandhinagar has instructed For implementation of

various Watershed Development work in Kavli Villageof PMKSY WDC 2.0 KAVI PROJECT,

InvitingOnline Tender documents from Government registered/Approved contractor as prescribe

terms and Conditions given in Tender document.

Mode of sending the tender:-

To view-Tender Notice, Detailed Time Schedule, Tender Document for this Tender and subsequently

purchase the Tender Document and its supporting documents, kindly visit following e-Tendering

website of www.nprocure.com The offer should be submitted online in the prescribed form as per

TWO ENVELOPE SYSTEM ONLY. Both the Bids (Technical as well as Commercial) shall have to be

submitted onlineand documents for Technical bid will also send by RPAD/Speed post only. Bids not

submitted online will not be entertained. The offers of the Bidders qualifying technically are only

eligible for opening of envelope no.2.Commercial bid (Envelope No.2) will be opened in the presence

of bidder or their authorized representative present at a date which will be notified as above.

Details of security Deposit:-

After opening of Commercial bid, qualifiedBidder whoseover all rates are lowest will submit the

security deposit within 7 days or the instruction given by the “Technical Expert ” District

watershed development unit,Bharuch(It is 5 % of estimated cost and it is deposited in the form of

FDR (Nationalized Bank)pledged infavourof“P D DWDU BHARUCH 18 SILUDI“.

Detail of Necessary Documentsrequired for cover “A”:-

(1) Government Registration Certificate of Approved Contractor

(2) Valid Recent Bank Solvency Certificate.( Current year-2025)

(4) Demand Draft of E.M.D./Tender fee (Nationalized Bank only)

(5) GST Number.

(6) The work to be completed by 45 days after opening of price bid. should be verified at the

place of each work. Also the place of the competent authority has been verified. The certificate

of which will have to be uploaded compulsorily. The tender without site verification will be

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NAME OF WORK :- CONSTRUCTING A FILED OUTLET -19 Nos

AT.VILLAGE:- KAVLI

TA:- JAMBUSAR DIST :- BHARUCH

Qty Unit No. Description Rate Unit Amount

Excavation for foundation in all sorts of

soil including sandy And gravelly soil,

soft murrum including depositing the

excavated stuff as and where directed

66.69 Cu.m 1 including back filling the tranches with 314.60 Cu.m

suitable excavated stuff etc. complete

for lead up to 50 and lift as under.

(Manuly without dewatering)

Providing and laying Plain/Reinforced

cement concrete of cement, sand and

metal (abive 12mm &upto

20mmsize)in following proportion laid

in situ including centering, shuttering,

temping, smooth finishing, curing etc.

complete as directed for all leads and

(S.O.R Page No.24, I.No.19(iii))

Providing cement plaster in 20 mm

thickness and 1:3proprotion including

smooth finishing, curing, scaffolding

etc.complete for all leads and lift as

Providing and fixing marble plate of

100 cm thickness including engraving and

cm2 filling paint for letters as directed. cm2

RS.IN.WORDS :- EIGHT LAKH FOURTY SEVEN THOUSAND FOUR HUNDRED ONLY/-

NAME OF WORK :- CONSTRUCTING A NALA PLUG-04 Nos.

AT.VILLAGE:- KAVLI

TA:- JAMBUSAR DIST :- BHARUCH

Qty Unit No. Description Rate Unit Amount

Excavation for foundation in all sorts of

soil including sandy And gravelly soil,

soft murrum including depositing the

excavated stuff as and where directed

14.60 Cu.m 1 including back filling the tranches with 314.60 Cu.m

suitable excavated stuff etc. complete

for lead up to 50 and lift as under.

(Manuly without dewatering)

Providing and laying Plain/Reinforced

cement concrete of cement, sand and

metal (abive 12mm &upto

20mmsize)in following proportion laid

in situ including centering, shuttering,

temping, smooth finishing, curing etc.

complete as directed for all leads and

(S.O.R Page No.24, I.No.19(iii))

Providing cement plaster in 20 mm

thickness and 1:3proprotion including

smooth finishing, curing, scaffolding

etc.complete for all leads and lift as

Providing and fixing marble plate of

100 cm thickness including engraving and

cm2 filling paint for letters as directed. cm2

RS.IN.WORDS :- TWO LAKHS ONLY/-

I/We Shall Carry out above work at ……………..% Blow/Above

i.e at the cost of Rs…………………in Words…………………………………………………………….

Technical Expert

DWDU-Bharuch SMg8=FS8ZGL ;CLq;LSSM

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GENERAL TECHNICAL SPECIFICATIONS

1. In the specifications, “As directed” / “Approved” shall be taken to mean “As directed” / “Approved”

by the Engineer-in-charge.

2. Wherever as reference to any Indian Standard appears in the specification, it shall be taken to mean

as a reference to the latest edition of the same in force on the date of agreement.

3. In “Mode of Measurement” in the specifications wherever a dispute arise in the absence of specific

mention of a particular point or aspect, the provisions on these particular points, or aspects in the

relevant Indian Standard shall be referred to.

4. All measurements and computations unless otherwise specified, shall be carried out nearest to the

following limits :

(i) Length, Width and Depth (Height) 0.01 Mtrs.

(ii) Areas 0.01 Sq.Mtrs.

(iii) Cubic Contents 0.01 Cub.Mtrs.

In recording dimensions of work, the sequence of length, width and height (depth) or thickness shall

5. The distance which constitutes lead shall be determined along the shortest practical route and not

necessary the route actually taken. The decision of the Engineer-In charge in this regard shall be

taken as final.

6. Where no lead & lift are specified, it shall mean “all leads” & “all lift”.

7. For excavation lift shall be measured from center of gravity, of excavation depth to center of gravity

of deposition height. In case of foundation concrete and other items of cement concrete lift shall be

measured from ground level to center of gravity of depositing concrete.

8. Definite particulars covered in the items of work, though not mentioned or elucidated in its

specifications shall be deemed to be included therein.

9. Reference to specification of materials as made in the detailed specification of the items of works is

in the form of a design, action containing the number of the specifications of the material and prefix

10. Approval to the samples of various materials given by the Engineer-in-charge shall not absolve the

contractor from the responsibility of replacing defective

11. material brought on site or materials used in the work found defective at a later date. The contractor

shall have no claim to any payment or compensation whatsoever on account of any such materials

being rejected by the Engineer-in-charge.

12. The contract rate of the item of work shall be for the work completed in all respects.

13. No collection of materials shall be made before it is got approved from the Engineer-in-charge.

14. Collecting of approved materials shall be done at site of work in a systematic manner; materials

shall be stored in such manner as to prevent damage, deterioration or intrusion of foreign matter

and to ensure the preservation of their quality and fitness of work.

15. Materials, if and when rejected by the Engineer-in-charge, shall be immediately removed from

the site of work.

16. All work shall be carried out in workmanship like manner as per the best techniques for the

particular item.

17. All tools templates, machinery and equipment for correct execution of the work as well as for

checking lines, levels, alignment of the works, during executive shall be kept in sufficient

numbers and in good working condition on the site of the work.

18. The mode, procedure and manner of execution shall be such that it doesn't cause damage or

overloading of the various component of the structure during execution or after completion of the

19. Special modes of construction not adopted in general Engineering practice, if proposed to be

adopted by the contractor, shall be considered only if the contractor provides satisfactory

evidence that such special mode of construction is safe, sound and helps in speedy construction

and completion of work to the required strength and quality. Acceptance of the same by the

Engineer-in-charge shall not,

20. absolve the contractor from his responsibility of any adverse effects and consequence of adopting

the same in the course of execution of the work.

21. The contractor shall be responsible for observing the rules and regulations imposed under the

“Minor Minerals Act” and such other law and rules prescribed by Government from time to time.

22. All necessary safety measures and precautions (including those laid down in the

various relevant Indian Standards) shall be taken to ensure the safety of men, materials

and machinery on the site of work as also of the work itself.

23. The testing charges of all materials and concrete cubes shall be borne by the contractor.

24. Approval to any of the executed items for the work doesn't in anyway relieve the

contractor of his responsibility for the drawings and specifications.

25. All the items of the work shall required to be executed during the closer period of canal

concerned in muddy or wet soil. Contractor shall have to plan the execution of work according

to the closer period available in consultation with the Engineer -in-charge. No claim shall be

granted for the non- availability of closer period or enough closer period.

26. Contractor shall have to use mixture machine with hopper for mixing cement fine aggregates and

course aggregates for all concrete items.

Technical Specification

EXCAVATION FOR FOUNDATIONS

1.A.1 Excavation for foundation shall consist of carrying out excavation for the foundation for

structure and drains etc. in dry wet or slushy conditions including removal of the excavated stuff form

the foundation trenches and laying or stacking the same as and where directed by the Executive

Engineer. It also includes back filling of the foundation trenches with suitable excavated materials and

1.A.2. Site Clearance

1.A2.1 All areas required for laying and stacking excavated materials and diversion of

road if any required, shall be cleared off all trees, stumps, roots bushes, weeds, grass, rubbish of all

kinds, loose stones and all other objectionable materials.

1.A2.2 All materials obtained from site clearance shall be removed from the site so as

hot to interfere with the construction operation and maintenance of the project. These materials shall be

the property of Government and shall be dispose off in a manner specified by the Executive Engineer.

1.A2.3 Unless otherwise explicitly provided for the work clearing site as given above

shall be considered as included in the items of foundations excavation, however where trees greater than

60 cms. in girth are required to be removed. This shall be paid separately.

1.A.3. Excavation Classification

All materials in foundation shall be classified in to four items as under:

1.A.3.1 All sorts of soils

This shall include soil, silt, gravel, soft murrum, stiff clay, kanker and other soft

materials which can be excavated by means of pick and shovel, loose stones less than 0.93m3 which do

not required breaking up shall be treated as soil.

1.A.3.2 Hard Murrum

This shall include hard materials comprising all kinds of disintegrated rock or

shall or indurated clay or conglomerate interspersed with boulders of size less than 0.03,

weathered and decomposed rock which do not need blasting and can removed with pick, bar and shovel

though not need blasting and can removed with pick, bar and shovel though not without SL.,.ie

1.A.3.3. Soft Rock

This shall include all materials which is rock but does not need blasting and can be

removed with pick and bar by wedging but which does not come under the category of hard murrum, in

case when occasional blasting may be done for the convenience of excavation, the materials shall not be

classified as hard rock simply because blasting has been resorted to.It shall also include excavation in

boulders exceeding 0.03m3 but less than 0.75m3 in size.

1.A.3.4 Hard Rock

This shall include rock occurring in masses or boulders bigger than 0.75m3 which can best be removed

by blasting. This will also include rock to be removed by chiseling where blasting is not permissible.

1.A.4. Blasting

When blasting is required tobe carried out, all rules in force relating to the storing

transporting and use of blasting materials and precautions for safely of persons and property shall be

strictly observed.

1.A.5. Leads and lifts: Depth Slabs

1.A.5.1. Leads as specified in any item of foundation excavation shall mean the weighted

distance as the crow files between the C.G. of the excavation to the C.G. of the excavated

material laid or stacked as directed by the Executive Engineer. For computation of lead as

above, each structure shall be considered level at the cross section.

1.A.6. Setting Out

1.A.6.1. It shall be the responsibility of the contractor to install substantial reference

points, bench marks etc. at his cost and maintain them during the construction period.

Excavation shall be allowed to commence only after the reference points as benchmarks as above as

established from the Executive Engineer.

1.A.6.2. The areas for laying for stacking the excavated materials tobe used for back

filling in the trenches and for the surplus excavation material, for stacking construction materials and for

construction operations shall also be marked out before starting the excavation.

1.A.7. Excavation & deposing excavated Materials

1.A.7.1. The excavation shall be carried out to the exact lines and levels as specified in the

drawing or as directed by the Executive Engineer. Any extra excavation beyond such lines and levels

shall not be measured and paid for. The excavation below the foundation level shall have not to be filled

back by the contractor with cement concrete of the same proportion as for foundation concrete. The

extra excavation beyond the lines of foundation shall have tobe filled back by the contractor at his cost

with the materials and in the manner specified for back filling of foundation trenches.

1.A.7.2. No extra payment shall be made for slips etc. and same have to be restored by the

contractor at his cost.

1.A.7.3. The excavated material which is considered suitable and required for back filling

of foundation trenches shall be stacked sufficiently which (and in no case nearer than 1.5 mts.) from the

edges of excavation so as not to endanger the stability of the sides or slopes of excavation. the

excavation stuff in excess of above requirement and suitable for filling behind the abutments of returns

abd in approach embankment or canal banks shall be conveyed and laid directly in layers upto the lead

and lift specified in the item. No separate payment shall be made for this. Compaction of material so

laid, if required, shall be paid for separately, if the contractor fails to lay the material as above and waste

it the cost of getting the earth work done by obtaining equivalent quantity, from borrow pits shall be

wasted in the spoil banks of canals as directed by the Executive Engineer, in uniform layers.

1.A.7.4. The excavated stuff when deposited in spoil bank shall be so deposited as not to

obstruct any roads. Tracks of natural drainage and not to interefere with the construction

operation and maintenance of the work.

1.A.7.5. The materials obtained from excavation of soft rock and hard rock shall be sorted

out to separate the rubble, spauls and the materials which can be used in embankment. The useful

materials as approved by the Executive Engineer shall be utilized in embankment. The rubble and

spauls obtained from excavation shall be properly stacked in measurable charts as directed. The rest

shall be wasted in spoil banks.

1.A.8 Shoring and stinting

1.A.8.1. In reaches where vertical excavation is not possible, suitable slopes according to

the strata encounted shall be given. Measurement, for payment shall however be considering sides of all

foundation trenches as vertical.

1.A.8.2. Adequate step shall be taken to prevent slips. However, if slip occur the slopes

should be fattened or other measures taken for stabilizing the slopes. The sides shall be strutted and

shorter carefully and adequately where they areliable to fall. The contractor shall clear the foundation

trenches of slipped material at his cost. The Government shall nor be responsible for any accidents

occurring due to slips or any other cause and all liabilities shall be covered under the scope of them.

1.A.9 Preparation of Foundations

1.A9.1. The bottom of the foundation shall be dressed perfectly in level of benched as directed

and all lose and soft materials shall be removed before the foundation is covered. The foundation shall

be well watered and rammed before laying concrete or masonary over it, if the foundation is in strata

other than rock, If it is in rock, it shall be throughly cleaned and wetted. Before it is covered, the

foundation shall be got approved from the Executive Engineer.

1.A.10 Siting of Foundations

If the foundation trenches get silted up due to intervening floods or due to other

reasons. The same shall be desilted and restored to the required dimensions and recleaned by the

contractor at his cost.

1.A.11 Dewatering and Viersion

1.A.11.1 Any surface water flow shall be suitably diverted precautions taken to portent the

same from the entering the foundation trenches.

1.A.11.2. Any surface water entering the foundation trenches or sub soil water if any

encountered shall be removed by dewatering the foundation trenches either manually or by using

mechanically or electrically operated pumps as per the requirement. The water so removed from the

trenches shall be thrown sufficiently away so that it may not-re-enter the foundation or obstruct

construction operation.

1.A.11.3. Foundation trenches shall be kept adequately dewatered so that they are maintained

continuously in dry condition until. The foundation preparation, laying of concrete and

back filling are completed.

1.A.11.4. The Rates for the items of foundation excavation cover the operations of

diversion and dewatering which shall not be paid for separately unless separate, item is

provided for same in the contract.

1.A.12. Refilling of foundation trenches

1.A.12.1. After foundation concrete is laid and masonry other structure constructed the

remaining space in the foundation trenches shall be backfilled with suitable selected

material from the excavation material 15 Cms. in thickness. Each layer shall be watered

in thoroughly compacted by ramming, "Before laying an another layer over it".

1.A.12.2. Any filling above the original gouhd levels before excavation if required and got

shall be paid for seperately.

1.A.12.3. Care shall be taken to ensure that the method of back filling and compacting the

earth does not/; cause any, damage or undue strain on the structure. If compacting the earth does not

couase any damage or undue strin on the structure, If compaction be rollers is permitted,they shall not

be used within one meter of concrete or masonry, structure, Special care shall be exercised to obtained a

good contact and bond with the surface of concrete of masonry.

1.A.13 Measurement and Payment.

1.A.13.3 Measurement for the foundation excavation shall be base don cross section and

the rate is per cubic meter. Cross sections shall be taken at 3m. or closer intervals if foundation

necessary to represent correctly the topography, before starting the work then the strata changes and on

completion of the excavation levels shall be recorded again at the same locations. From the level taken

as above cross-sections shall be plotted on graph paper Both the leveling books and cross sections shall

be signed by the contractor in token of acceptance, and work shall not be started before the levels

for'..}(pitial measurements are so signed.

1.A.13.2. The rate covers all the operationhs as mentioned in this section.

SPECIFICATION OF MATERIALS

1.1 Cement shall be ordinary Portland cement. Ordinary Portland cement of 43/53

1.2 grade shall be as per IS-8112-1989 and ordinary Portland cement of 53grade shall be as per

IS-12269-1987. Portland pozzolona cement shall bepermitted if ordinary Portland cement

shall not be available in market at the time of xecution of the work. Contractor shall have to

receive written permission from Executive Engineer in charge of the work to use Portland

pozzolona cement before using it on the work.But in any case Portland pozzolona cement

shall not be permitted to use in R.C.C. work.

2.0 Sand must be as per IS-2386 ( part I &II )

2.1 Sand shall be natural sand, clean, well graded, hard strong, durable and gritty

particles free from injurious amount of dust clay, kankar, nodules, soft or flaky

particles, shale, alkali, salts, organic matter, leon, mice or other deleterious

substances and shall be got approved by the Engineer-in-charge. The sand shall not

contain more than 5% of silt as determined by field test, if necessary the sand shall

be washed to make it clean.

The fineness modules of coarse sand shall not be less than 2.5 and shall not

The sieve analysis of coarse sand shall be as under :

Percentage by weight

I.S. Sieve Designation I.S. Sieve Designation weight

The fineness modules shall not exceed 1.0. The sieve analysis of fine sand shall

I.S. Sieve Designation I.S. Sieve Designation Percentage

Percentage by weight

passing through passing through by weight

5.1 Water shall not be salty or brackish and shall be clean, reasonably clear and

free from objectionable quantities of silt and traces of oil and injurious alkalis,

salts, organic matter and other deleterious material which will either weaken the

mortar or concrete or cause efflorescence. Water shall confirm to the standards

specified in I.S. 456-1978.

5.2. If required by the Engineer-in-charge, it shall be tested by comparison with

distilled water. Comparison shall be made by means of standard cement

tests for soundness, unsoundness, change in time of setting by 30 minutes or

more or decrease of more than 10% in strength of mortar prepared with

water sample when, compared with the results obtained with mortar

prepared with distilled water shall be sufficient cause of rejection of water

5.3 Water for curing mortar, concrete or masonry should not be too acidic or too

alkaline. It shall be free from elements, which significantly affect the hydration

reaction or otherwise interfere with hardening of mortar of concrete during curing

or these, which produce objectionable stains or other unsightly deposits on

concrete or mortar surfaces.

5.4 Hard and bitter water shall not be used for curing.

5.5 Potable water will generally found suitable for curing mortar or concrete.

M-18. Mild Steel Bars

18.1. Mild steel bars reinforcement for R.C C. work shall conform to I.S. 432 (Part -II) 1966 and shall

be of tested quality. It shall also comply with relevant part of I.S. 456-1978.

18.2. All the reinforcement shall be clean and free from dirt, paint, grease, mill scale or loose or thick

rust at the time of placing

18.3. For the purpose of payment, the bar shall be measured correct up to 10 mm. length and weight

payable worked out at the rate specified below :

1. 6 mm 0.22 Kg/Rmt. 8. 20 mm. 2 47 Kg/Rmt

2. 8 mm. 0.39 Kg/Rmt. 9 22 mm. 2.98 Kg/Rmt.

3. 10 mm. 0.62 Kg/Rmt. 10. 25 mm. 3.85 Kg/Rmt.

4. 12 mm. 0.89 Kg/Rmt. 11. 28 mm. 4.83 Kg/Rmt.

5. 14 mm 1.21 Kg/Rmt. 12. 32 mm. 6.31 Kg/Rmt.

6. 16 mm 1 58 Kg/Rmt 13. 36 mm. 7 99 Kg/Rmt. *

7. 18 mm. 2.00 Kg/Rmt. 14. 40 mm. 9,86 Kg/Rmt.

M-19. High Yield Strength Steel Deformed Bars

19.1. High yield strength steel deformed bars shall be either cold twisted other rolled and shall conform

to I.S. 1786-1966 and I.S. 1139-1966 respectively.

19.2. Other provisions and requirements shall conform to specification No. M-18 for Mild Steel

Bars.M-20. High Tensile Steel Wires

20.1. The high tensile wires for use in pre stressed concrete work shall conform to I.S,2090-1962.

20.2. The tensile strength of the high tensile steel bars shall be as specified in the item. In absence of

strength the minimum strength shall be taken as per Para 6-1 of the I.S. 1785-1962. Testing shall be

done as per I.S.requirements.

20.3. The high tensile steel shall be free from loose mill scale, rust, oil, grease, or any other harmful

Cleaning of steel bars may be carried out by immersion in solvent solution, wire brushing or passing

through14 a pressure box containing Carborudum.

20.4. The high tensile wire shall be obtained from manufacturers. in coils having diameter not less then

350 times the diameter of wire itself so that wire springs back straight on being uncoiled .M-21. Mild

Steel Binding Wire

21.1. The mild steel wire shall be of 1.63 mm. or 1.22 mrn. ( 16 to 18 gauge ) diameter and shall

conform to I.S. 280-1972.

21.2. The use of black wire will be permitted for binding reinforcement bars. It shall be free from rust

oil paint, grease loose mill scale or any other undesirable coating which ma

24.22. Providing and laying (to level or slopes) and jointing reinforced concrete light duty

non-pressure pipes I.S. class N.P. 2 of the following internal diameters with collars and butt ends

prepared for collar joints including testing of joints etc. complete. (B) 150mm. (C) 250 mm. (D)

mm. (E) 450 mm. (F) 500 mm. (G) 600 mm. (H) 900 mm.(K) 1000mm. (M) 1200 mm.1.0. Materials

:The reinforced concrete light duly non-pressure pipes of specified diameter shall conform to I.S.458-

2.0. Workmanship

2.1. The relevant specifications of item No. 24.1. A shall be followed for work of trenches

except that the excavation in trenches shall be for. reinforced concrete pipes of specified diameter.

2.2.1. The pipes shall be lowered into the trenches carefully. Mechanical appliances may be used.

Where necessary pipe shall be laid in straight lines or with easy curves and true to line and gradient as

specified. The laying of pipe shall proceed upgrade of a slope. In the pipe spigot and socket joints, the

socket ends shall face upstream. In case of pipes with joints to be made with loose collars, the collars

shall be slipped on before the next pipe is laid.

2.2.2. In case where the foundation conditions are unusual such as the proximity of trees or holes,

under existing or proposed all round in 150 mm. thick cement concrete 1:5; 10 (1 cement: 5 fine sand :

10 graded stone aggregate 40 mm. nominal size) or compacted sand or gravel:

2.2.3. In case where the natural foundation is inadequate the pipes shall be laid either in concrete

cradle, supported on proper foundations or on any other suitably designed structure. If concrete

bedding is used, the depth of concrete below bottom of the pipe shall be at least 1/4th of the internal

diameter of the pipe subject to a minimum of 100 mm.and a maximum 300 mm. The concrete shall be

extended up the sides of the pipe at least to a distance of 1/4th of the outside diameter for pipes

mm. and over in diameter.

2.2.4. The pipes shall be laid in the concrete bedding before the concrete has set. Pipes laid in trenches

in earth shall be bedded evenly and firmly and as far as up to the haunches of the pipe as to safely

transmit the load expected from the back fill through the pipe to the bed. This shall be done either by

excavating the bottom of the trenches to fit

the curve of the pipe or by compacting the earth under a round curve of the pipe to form an even bed,

Necessary provision shall be made for joints wherever required.

2.3.1. The joints shall be done by slipping the collar over and clear of the end of the pipe. The recess of

the end of the pipe shall be filled with jute braiding in hot bitumen. The new pipe shall then be brought

forwarded until the bitumen ring in recess of first pipe is set into the recess of the second pipe. The

process shall be repeated for two or

three pipes which shall then jacked up so as to thoroughly compress the bitumen. The quantity of jute

and bitumen shall be just enough to fill the recess when pressed hard by jacking, care being taken that

no offset of the jute braiding shall be visible either outside or inside of pipe. The collar shall then be set

up over the joints covering equally both the

pipe and leaving, an even caulking space all round. Cement and sand mortar: 1: 1.1/2 shall then be well

punched or pressed home with a caulking tool within this caulking space. Care shall be taken that the

underside of the joints is properly filled with mortar.

2.4.1. Every joints shall be kept wet for about 10 days for maturing. The section of the pipe line laid

and jointed shall

be covered immediately to protect from weather effects. Minimum bore of 100 mm. is considered

2.4.2. The joints shall be left exposed for observation.

2.5. Testing of Joints :

2.5.1. The testing of joints shall be done as per relevant specifications of item No. 24.1 (A) except that

of reinforced concrete pipes shall be done.

3.0. Mode of measurements & payment

3.1. The relevant specifications of item 24.1 .(A) shall be followed except that the rate includes for

laying to level

or slope in trenches etc. (measured separately), making the joints a; Seated and testing to stand the

3.2. The measurements shall be net without any allowance for cutting and waste. The length of bends,

and other connections (measured along the centre line) shall be included in the total length of the pipes,

connections being numbered afterwards and paid for extra over pipes.

3.3. The size of bend, junctions, etc, shall suit the size of pipe. The bore (internal diameter of pipe)

shall be the criterion for payment.)(3.4. Nothing extra shall be paid separately for the use of

mechanical appliances, where necessary, as described above.

3.5. The rate shall be for a unit of One running meter.

3.2.1. Concrete shall be composed of cement, sand, coarse aggregate and water, all well mixed

in proper proportion as specified in the item by volume or by weight as specified in the item,

andbrought to the proper consistency. For volumetric betching one full beg of cement shall

beconsidered 0.034 m3. Other materials shall be measured by suitable measuring boxes. If the

sandwetat the time of mixing, due allowance as determined by test from time to time shall made

forbulkage of sand due to moisture. The proportion of sand coarse aggregate shall be varied slightyif

required on the basis of laboratory tests to get dense workable concrete of design strengths. Noextra

payment shall be made for (such) variation that may have to be made. The quality to waterto be used

shall be decided by the Executive engineer so to get concrete of required work abilitywhen batching by

weight is specified. the proportion of cement, sand and coarse aggregate shall

be as determined by laboratory testing for the respective class of concrete mix M. 10, M 15, M 20 etc.

The water cement ratio shall also be as given by the laboratory testing.

3.2.2. The concrete shall be mixed in mechanical mixers of approved type which will ensure a

uniform distribution of the materials throughout the materials throughout the mass. The mixer shall not

be loaded in excess of its rated capacity and each batch shall be for whole bag of cement. Mixing shall

be for whole bag of cement, Mixing shall be continued until there is a uniform distribution of the

materials and the mass is uniform in colour and consistency, but in no case shall the mixing be done for

lessthan two minutes. The first batch of concrete at the commencement of work with any mixer shall be

made richer by adding 10 % of cement extra over and above that required for the particular mix,. The

mixer drum shall be completely emptied before receiving materials for succeeding batch. The drum

shall be cleaned at frequent interylas while in one and shall be thoroughly washed when mixing

operations case for any period longer than 30 minutes.

3.2.3. All ingredients shall be fed into mixer simultaneously A portion of water form 5 to

percent shall preceded and the like quantity shall follow the introduction of other materials. The

remaining of water, quantity of which shall be predetermined shall be added uniformly and

simultaneously with the other materials.

3.2.4. No hand mixing shall be permitted except in the even of breakdown of the machine

during concreting of panel. Whenever such handmixing is restored to 5 percent extra cement shall be

used. Hand mixing shlal be done in the manner as directed by the Executive Engineer, on a water tight

platform and care shall be taken to ensure that mixing is continued until the mass in uniform in colour

and consistency. No patch of hand mixing shall of more than two bags of cement.

3.2.5. Concrete shall be handled from the place of mixing to the place of final deposit and

placed in position as rapidly as practicable but always within a period of 30 minutes after

mixing, by methods which will prevent the segregation and/or loss of any ingredients or

reduction in slump. If segregation does occure during transport, the concrete shall be rammed before

being placed in position. The concrete shall be placed and compacted before setting commences and

should not be subsequently disturbed.

3.2.6. In order to test the consistency of concrete. Slump test shall be made by the contractor as

and when required. The slump test shall be carried out as per IS - 456. The allowable slump for concrete

shall be decided by laboratory testing or as directed by the Executive Engineer.

3.2.7 One set test cubes 15cms x 15 cms x 15 cms shall taken for every 30 m3 or part concrete

subject to a minimum of one set for a day's work from each set, 3 cubes shall be tested at

days, 3 cubes and 28 days (and also 3 cubes at 90 days when pozzolona cement is used)

Samples of concrete for test cubes shall be taken at the mixer and it shall be representative

of the entire batch.

The location in the work of the batch of concrete thus sample shall be noted for future

reference, when tested are 28 days (at 90 days when pozzolana cement is used) at least 80 % of the test

cubes shall give compressive strength not less than the specified strength and no test cubes shall give

compressive strength less than the 80 % of the specified strength.

3.2.8. The specified strength different classes of concrete as per IS Classification and for

concrete made of different properties fisefeement. sand coarse aggregate by volume shall be as

Class of Proportion ProportionFor OPC For OPC

mix Batching by volume Compressive Compressive

Strength Strength

7 Days 28 days 7 days 28 days 90 days

3.2.9 In case the results fail to fulfill the above strength requirements, respective portion of the

work shall be removed and redone the work by contractor at his cost. At the discretion of

the Executive Engineer the work may be accepted and paid at a reduced rate as may be

decided by him.

Meausrement and Payment

The Concrete work Measurement and payment shall be made on cubic metre basis on the

section as designed and directed.

4.5.1. Plastering shall be done with cement sand mortar of 1:3 proportion unless otherwise

specified in the item. The sand tobe used shall be fine sand passing through 1201. S.S. mesh and shall

confirm in all other respects to the specification under section-2 materials.

4.5.2. A base or key coat of coarse sand and cement in proportion of vie parts of sharp sand

passing 6mm. mesh to one part of cement mixed in sufficient water shall be applied,being

dashed on to the masonry face in uneven manner. This coat shall be supplied till stone bushing is

covered and its thickness shall be 6mm.

4.5.3. Backing Coat: The mortar for this shall be mixed adding waterfrom 12 to 16% of total

volume of aggregate and cement. It shall be laid to uniform thickness 10mm, and just after the materials

has started to set. It shall be secured in wavy lines by wire nail comb to form a bond for the next coat

and the work than be allowed to set for at least 30 hrs., the work being well damped.

4.5.4. Finishing Coat: The water in the mortar for this coat shall be 14 to 18 percent of the toal

volumeof aggregate and cement. Finishing coat shall be approx. 4mm thick and should be

applied evenly and finished smooth with neat cement or neeru as specified. 4.6. Scaffolding to be done

4.6.1. The cost of providing and maintaining scaffolding required for the work of masonry,

pointing and plaster shall be considered to have been included in the rates quoted for their

4.7.1. "All masonry, as it progresses, shall be kept well watered on the top and sides for a

period of not less than 21 days from the date building in place. At the close of the days work or for other

period of cessatin of the work, the top of all masonry tobe kept well watered. The masonry shall be kept

moist during the peiod of initial and final setting of mortar. Curing by way of ponding shall be started

only after the period of final set of mortar. Care shall be taken to ensure that cement is not washed from

4.7.2. All pointing and plaster shall be kept continuously wet for less than 21 days taking care

as mentioned in para 4.7.1.

4.7.3. If the contractor fails to water the work as specified the Executive Engineer will employ

labour, material and equipments etc. for curing without giving notice and the cost of these

shall be borne by the contractor.

Measurement and Payment

The plaster work Measurement and Payment shall be made on Squaremetre basis

of surface plastered as shown on the drawing or as directed .