CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN FOR THE YEAR 2026-27 AND 2027-28

VI TECHNICAL BID

VII FORMAT OF FINANCIAL BID

IIX SCHEDULE: 1 A ‐ TECHNICAL SPECIFICATIONS AND PART LIST OF ENERGY

IX MEASUREMENT SHEET- A . Civil Works

ESTIMATION SHEET - B. Mechanical Engineering Works

IX SCHEDULE: 1 B AUTOCAD DRAWINGS OF ENERGY EFFICIENT KILN

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

TENDER NO. KILN-26-27

TO CONSTRUCT AND INSTALL ENERGY EFFICIENT WOOD FIRED

POTTERY KILN HAVING WORKING TEMPERATURE OF

800 DEGREE CENTIGRADE FOR THE YEAR 2026-27 AND

1. 0 Introduction:

Gujarat Matikam Kalakari and Rural Technology Institute was established in 1979 by the

Government of Gujarat as a service-oriented institution. Now known as the Gujarat Matikam

Kalakari & Rural Technology Sansthan (GMK&RTI), it is the first institute of its kind in the

country. The Institute is legally registered under the Societies Registration Act, 1860, and

the Bombay Public Trust Act,

In line with the Government’s restructuring policy for Boards and Corporations, the Gujarat

Matikam Kalakari Board was merged with the Rural Technology Institute through Industries

& Mines Department Government Resolution No. IAF-1490-243-KH1, dated 12-08-2008.

Following this merger, the Institute was renamed the Gujarat Matikam Kalakari & Rural

Technology Sansthan (GMK&RTI).

The main objective of the Institute is to support rural artisans and strengthen the cottage

industry sector by enhancing their skills, efficiency, productivity, and income through a

variety of beneficiary-oriented schemes. These include self-employment generation training

programs, toolkit assistance, energy-efficient kiln support for potters, raw material subsidies,

and clay idol promotion schemes for clay idol makers.

2.0 Energy-Efficient Kiln Scheme:

To reduce pollution caused by traditional kilns and health risks to potters, and to improve

productivity, the institute has developed an energy-efficient kiln. These kilns reduce

breakage, improve product quality, and lower fuel costs. Under the Energy-Efficient Kiln

scheme, one energy-efficient kiln is provided among the two potter families with

percent Government subsidies. During the year 2026-27 and 2027-28 it is planned to

construct and install around 51 (25 kiln for Year 2026-27 and 26 kiln for Year 2027-28)

Energy Efficient Kilns at different location of the Gujarat state.

3.0 Tender Notice:

Under the Energy efficient kiln scheme to provide energy efficient kiln to the artisans

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

of pottery and clay work through subsidized rates. Director GMK&RTI Invites

e‐Tender from the qualified steel fabricators/civil contractors/suppliers for

construction and installation of energy efficient Kilns at different locations of the

Gujarat state on annual rate contract basis w.e.f the date of notarized contract

between successful bidder and GMK&RTI.

TO CONSTRUCT AND INSTALL

Name of Work ENERGY EFFICIENT WOOD FIRED

POTTERY KILN HAVING

WORKING TEMPERATURE OF

DEGREE CENTIGRADE

Estimated Value of Work Rs. 53.00 Lakh(s)

(Rupees Fifty Three Lakh(s) Only

( Rupees Five Thousand only)

(Rs. One Lakh(s) Fifty Nine thousand

Validity period of tender offered 180 Days

Security Deposit (10 % of total order 5% in form of D.D.

value ) 5% will be deducted from the bill

Time allowed for completion of the work 90 Days

from the date of written order to

Last date for online submission of tender 15/07/2026

Up to 18.00 HRS.

Last date for Submission of Tender 16/07/2026 to 18/07/2026

Fee, EMD and Technical Bid along with Up to 18.00 HRS.

Tentative date for Opening of 21/07/2026 11.00 AM

4.0 ELIGIBILITY CRITERIA:

4.1. The Bidder must have a minimum average annual turnover of Rs.106.00 Lakh(s)

(Rupees One Crore Six Lakh(s) Only) for the last three financial years: i.e., 2023-

24, 2024-25, and 2025-26. The Bidder must submit a Chartered Accountant's Certified

Turnover Certificate for the same.

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

4.2. Valid Registration Certificate.

4.3. PAN Number.

4.4. GST Registration No.

5.0 TERMS AND CONDITIONS:

5.1. Online e-tenders are invited for the construction and installation of energy-efficient

Kilns at different locations of Gujarat State from eligible firms in a TWO-BID

SYSTEM (i.e., TECHNICAL BID and FINANCIAL BID) on behalf of the Director,

Gujarat Matikam Kalakari & Rural Technology Institute (GMK&RTI), as per the

technical specifications described in SCHEDULE A.

5.2. Bidders must pay a Tender Fee of Rs. 5,000/- (Five Thousand Only) and EMD

(Earnest Money Deposit) of Rs. 159,000.00 (Rs. One Lakh(s) Fifty Nine thousand

Only) by DD/Pay Order only from a scheduled bank in favor of "Director,

GMK&RTI," payable at Gandhinagar. This must be submitted along with the

technical bid in separate covers. Bidders must upload a scanned copy of the D.D. for

the Tender Fee and EMD amount.

5.3 The EMD will be forfeited in the following cases:

• In case the bidder makes any correction or withdraws the offer during the validity

period of the offer; OR

• If the bidder fails to sign the agreement papers within the prescribed time limit after

accepting the offer; OR

• If the documents submitted along with the tender are proved to be defective or

fraudulent at any time.

5.4. The bidder must submit a Technical Bid in the prescribed format along with the D.D.

for the Tender Fee and EMD amount in separate sealed covers addressed to: “The

Director, Gujarat Matikam Kalakari & Rural Technology Institute, Sector–12,

Gandhinagar-382016.” The cover must mention: “Technical Bid for Tender No.

KILN-26-27: Construction and Installation of Energy Efficient Kiln.” Certified

copies of documents should be attached to the technical bid in chronological order.

Documents must be serially numbered. Non-certified copies and insufficient

documentation will lead to the cancellation of the offer.

5.5. The bidder must submit the online technical bid as well as the price bid by 15-07-2026

up to 18:00 hrs. The validity of the financial bid shall be 180 days.

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

5.6. The sealed cover containing all physical documents, the technical bid, and the

Demand Drafts must be submitted at the Registered Office of GMK&RTI from

Date:16/07/26 to 18/07/26 up to 18:00 HRS via Speed Post, RPAD, or in person only.

5.7. The technical bids will be opened first. The financial bid will be opened only for

bidders who qualify during the technical bid evaluation.

5.8. Rates should be quoted inclusive of all taxes and F.O.R. (Delivery and Installation)

at various locations in Gujarat State as decided by GMK&RTI from time to time.

5.9. Rates quoted by a bidder shall be paid as net rates. The bidder should include all taxes,

market fluctuations, and potential price escalations. The bidder must also include all

duties, transportation charges, and levies applicable at the time of tendering. No extra

payment for increases in raw material prices, taxes, or transportation charges will be

5.10. Canvassing in connection with the tender is strictly prohibited. Any bidder found

canvassing will have their tender rejected.

5.11. The Security Deposit is liable to be forfeited if the bidder fails to accept the work

order or fails to complete the agreement. The deposit will be returned after the

successful closure of the agreement.

5.12. Incomplete tenders will be rejected.

5.13. Tender documents received after the stipulated time limit will not be entertained.

5.14. The Director of the Institute reserves all rights to reject any or all tender(s) without

assigning any reason whatsoever.

5.15. Tender documents should be filled in using either ink or a ballpoint pen.

5.16. It is presumed that by submitting a tender, the bidder has thoroughly reviewed all

specifications and conditions. These are binding on the bidder for the execution of the

5.16 Bidders are required to sign and affix their seal on every page of the technical bid.

5.17. The tender must contain the name, residence, and place of business of the person(s)

making the tender and must be signed and sealed with the bidder's usual signature.

5.18. Tenders by a partnership must include the full names of all partners and be signed by

one partner or an authorized representative with an irrevocable Power of Attorney,

which must be furnished with the tender.

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

5.19. The successful bidder shall enter into a contract with GMK&RTI on the date fixed by

the Director. The bidder is responsible for all charges regarding the execution of

contract documents, including the cost of stamp paper. This tender document will

form part of the contract.

5.20. The successful bidder shall furnish a Security Deposit equivalent to 10% of the total

• Initial Deposit (5%) must be paid via D.D. or Pay Order from a nationalized bank

prior to signing the Notarized Agreement.

• Balance Deduction (5%) shall be recovered from the bills.

5.21. The successful bidder is entirely responsible for the execution of the contract in

accordance with the specifications and general conditions.

5.22. In case of disputes regarding quality, quantity, or performance, the decision of the

Director, GMK&RTI, will be final and binding.

5.23. The successful bidder must construct and install the kilns within 90 days of the work

order. Late delivery will incur a penalty of Rs. 1,000/- per day per kiln as liquidated

damages, capped at 10% of the total tender amount.

5.24. The first kiln must be installed within 30 days for inspection by GMK&RTI engineers.

Any suggested additions or alterations must be replicated in the remaining kilns.

5.25. A 45-day delay in the execution of the first work order is cause for termination and

forfeiture of the security deposit. The bidder will be liable for any cost difference if

GMK&RTI must hire another contractor.

5.26. "Successful completion of work" means the supply and installation of the kiln at the

specified site as per specifications, inspected and approved by GMK&RTI engineers.

5.27. The bidder must submit a performance guarantee for one year. The bidder is

responsible for rectifying defects or exchanging goods free of cost during this

maintenance period.

5.28. Extensions of time may be considered for "Force Majeure" events, including:

• Exceptionally inclement weather.

• Strikes or lockouts.

5.29. The bidder must apply in writing for an extension within seven days of the hindrance.

The Director may grant an extension if reasonable grounds are shown.

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

5.30. The Director may condone delays for sufficient reasons, provided total liquidated

damages do not exceed 10% of the contract cost.

5.31. The bidder is responsible for any injury to persons/animals or structural damage to

property resulting from the work. The bidder must reinstate all damages to the

satisfaction of third parties and the Institute.

5.32. In all matters regarding the interpretation of specifications, quality of materials, or

claims, the decision of the Director, GMK&RTI, shall be final and conclusive.

5.33. The decision of the Director regarding whether the bidder has discharged their

obligations shall be final.

5.34. GMK&RTI reserves the right to inspect all kilns. Any kiln found defective or

unsuitable must be rectified or replaced at the bidder's expense during the warranty

period. The warranty period will be for one year from the date of successful

installation of the kiln. Successful installation means the installed kiln is fully

operational and in good working conditions.

5.35. All materials shown in drawings must be provided as per specifications and the Bill of

6.0 TERMS OF PAYMENT

6.1. 95% payment of the bill shall be made upon production of an Inspection Report. The

remaining 05% payment will be made after the one-year maintenance period.

6.2. The refund of the security deposit will be made after one year or the completion of the

warranty period, whichever is later.

6.3. No advance payment will be provided for any reason.

7.0 OTHER TERMS AND CONDITIONS:

7.1. Tenders that do not fulfill all conditions or are incomplete are liable for rejection.

7.2. The Director has the power to make alterations or additions to specifications and

drawings during the progress of work. The contractor must be agree to undertake works

as suggested by the Director GMK&RTI at the same rates specified in the tender.

7.3. If an item quantity exceeds the tender by up to 10%, the contractor will be paid at the

tender rate. No excess is allowed beyond 10% of the tender quantity.

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

7.4. The contract period shall cover the financial years 2026-27 & 2027-28. No price rise is

allowed. The contract may be extended for another one year based on mutual

7.5. Terms and conditions suggested by the bidder that differ from this tender will not be

8.0 DECLARATION:

I have read all the above-mentioned terms and conditions, which are acceptable to my

firm/company/organization and to me without any modification.

Place : Seal of Company Signature &

Date: Designation of Authorized

representative of the

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

9.0 TECHNICAL BID

1 Name of Agency

2 Constitutions of Agency Proprietorship Partnership Company attach copy of

( Tick √ whichever Manufacturer Supplier civil Contractor Registration

is applicable) Other certificate

3 Registration Number and attach copy of

Year and Name of Registration

Act under which Firm certificate

Communication Address

5 Telephone Number

6 Mobile Number

8 Email Address

9 GST Registration attach Copy of

Number and date Registration

10 PAN Number attach Copy of PAN

Turnover Year Turnover Rs. attach Chartered

11 2023-24 Accountants

GST Paid during Last 3 Year Paid Rs. attach Copy of

12 Years 2023-24 Challans/Return

Tender Fee Details Name of Bank DD No. Date Amount attach in separate

13 Rs. envelop with

Earnest Money Deposit Name of Bank DD No. Date Amount attach in separate

14 Details Rs. envelop with

Place : Seal of Company Signature &

Date: Designation of Authorized

representative of the

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

10. FORMAT OF FINANCIAL BID

(Submit the Financial Bid Only through Online)

Sr . Name of Work Rate

1 TO CONSTRUCT AND INSTALL ENERGY EFFICIENT WOOD

FIRED POTTERY KILN HAVING WORKING TEMPERATURE

OF 800 DEGREE CENTIGRADE AT ANY LOCATION OF

Place : Seal of Company Signature &

Date: Designation of Authorized

representative of the

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

11. SCHEDULE: 1 A ‐ TECHNICAL SPECIFICATIONS AND PART LIST OF ENERGY

BILL OF MATERIAL FOR SINGLE KILN

Part Qty Particulars Material

51 1 No's Data Board Made from MS Squire Pipe 38 X 38 X 2 M.S & C.R

MM ISI 1239 & C.R.Sheet Thickness 1.2MM Sheet

50 1 No's Handle for door with two M 10 Nut M.S.

49 1 No's wire with link at bottom as per requirement M.S.

48 12 No's Spring washer for part no.49 Spring steel

47 12 No's M10 bolts of 40 mm length with nut M.S.

46 As per 50 mm thick.Blanket of ceramic fibre is mounted on ceramic fibre

require inside of the chimney upto 150mm height from its blanket

ment bottom insulation as per

45 50 mm thick.Blanket of ceramic fibre is mounted on of bureau of

inside of the Dom A & Dom B with the help of 62 indian standards

square headed bolts having specification mentioned in having bulk

part no.41 density of

44 100 mm thick.Blanket of ceramic fibre is mounted on kilograms per

inside of the door with the help of 15 square headed cubic meter

bolts having specifications mentioned in part no.40

43 50 mm thick.Blanket of ceramic fibre is mounted on

inside of the wall with the help of 70 square headed

bolts having specifications mentioned in part no.39

42 147 No's Spring washer for part no.41,42,43 Spring steel

41 62 No's Cross headed bolt nut for Dom A&B M.S. with hot

40 15 No's Cross headed bolt nut for the door dip galvanized

39 70 No's Cross headed bolt nut for the wall

38 5 No's Clamps flat 25x 3 mm M.S.

37 1 No's Short shaft to support pulley M.S.

36 1 No's Bottom pulley C.I

35 1 No's Nut for part 35 M.S.

34 1 No's Bolt 100 long M10 Threads in 20 length M.S.

33 2 No's Plain washer for part no.32 M.S.

32 1 No's M20 bolt with a nut to fix a Pulley M.S.

31 1 No's Top Pulley C.I.

30 1 No's Damper cum cover of a chimney C.R Sheet

29 1 No's Chimney with welded pulley support M.S.

28 20 No's Spring washer for part no.27 Spring steel

27 20 set M12 bolt of 50 length with a nut M.S.

26 3 No's Vertical support to support a Dom B made from MS M.S.

Squire pipe 50 X 50 X 3 MM ISI

25 1 No's R.H.S. vertical support to support a dom B made from M.S.

MS Angle 50 X 50 X 5 MM ISI

24 1 No's L.H.S. vertical support to support dom A M.S.

Made from MS Angle 50 X 50 X 5 MM ISI

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

Part Qty Particulars Material

23 10 No's Spring washer for part no.23 Spring steel

22 10 set M10 bolt of 38 length with its nut M.S.

21 1 No's Half dom-B of a Kiln M.S. & CR

Made from MS Angle 50 X 50 X 5 MM ISI 2062 & Sheet

30 X 30 X 3 C.R.Sheet Thickness 1.2MM

1 No's Half dom-A of a Kiln

Made from MS Angle 50 X 50 X 5 MM ISI 2062 & M.S. & CR

20 30 X 30 X 3 . C.R.Sheet Thickness 1.2MM Sheet

19 1 No's Bottom pulley support M.S.

18 2 No's Spring washer for part no.19 Spring steel

17 2 No's Bolt 100LX12d,M12 Threads in 50 length M.S.

16 2 No's Plain washer for part no.19 M.S.

15 2 No's Spring washer for part no.12 Spring steel

14 2 No's Plain washer for part no.12 M.S.

13 2 No's 75 mm long M10 bolt with a nut M.S.

12 2 No's Wheel for part no.11 M.S.

11 2 No's Screw to lock the Door M.S.

1 No's Door of a Kiln

Made from MS Angle 40 X 40 X 5 MM ISI 2062. M.S. & CR

10 C.R.Sheet Thickness 1.2MM Sheet

9 12 No's Inspection Window Gap in Masonry wall -

8 8 No's Fire Box Window M.S.

As per Floor area & Top layer of masonry wall with fire Clay, Fire

Assembly proof cement of a Kiln of insulation bricks Bricks & Fire

7 & Details 230x115x25 mm proof cement

6 Drawings Foundation for 5 vertical supports after completion of cement concrete

mentioned assembly work

5 Red brick wall of a Kiln constructed Clay & Bricks.

Brick masonry for foundation, Plinth & Super structure

4 for wall strength 35 kg/Sq.cum Clay & Bricks.

3 PCC at bottom of foundation of wall

P&L RCC Work 1:2:4 Height =100 MM /450MM cement concrete

2 Excavation of land for foundations of wall & vertical clay

1 cleaning, leveling and marking 25 Sq. mt

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

MEASUREMENT SHEET

PROJECT:- MODIFIED ENERGY EFFICIENT POTTERY KILN

A . Civil Works

Particulars No L B H/D Qty Total Qty

1 (A) Cleaning, Levelling 1.00 5.00 5.00 25.00

And Marking Of Land

(B) Excavation Of

Foundation Loose or Soft

2 PCC :- Height = 100 mm

3 Wall :- Brick Masonary

Foundation Wall 1.00 8.85 0.35 0.35

Superstructure with

Insulation tiles in top layer 1.00 8.85 0.23 1.53

Less Fire Box 8.00 0.20 0.23 0.10

Less Inspection Window 15.00 0.10 0.23 0.10

4 Insulation Bricks / Tiles

Floor area 1.00 143.00

Top Layer of Masonary

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

Particulars No L B H/D Qty Total Qty

Steel 12 mm Dia

6 Inspection windows 15.00 0.10 0.23 0.10

Fire Proof Cement work

for admixing in mud and

top Layer of wall and floor

top layer 1 7.75 0.23 1.78

Floor area 2*3.14*1.30=

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

ESTIMATION SHEET

PROJECT:- MODIFIED ENERGY EFFICIENT POTTERY KILN

B . Mechanical Engineering Works

SR. SPECIFICATION QTY.

NO. NAME OF PARTS AS PER DRG. Wt.

M.S Angle=50*50*5,ISI Marked Length=23ft SHEET 4 OF 5 1

C.R Sheet T=1.2mm, 17.20 sqft SHEET 4 OF 5 1

2 Locking device for door SHEET 4 OF 5 2

3 Hinges of Door SHEET 4 OF 5 2

4 Handle of door SHEET 2 OF 5 1

5 Half Dom-B SHEET 2 OF

M.S Angle=50*50*5, ISI Marked Length=16ft SHEET 2 OF 5 1

M.S Angle=30*30*3, Length=35ft SHEET 2 OF 5 1

C.R Sheet T=1.2mm, 35sqft SHEET 2 OF 5 1

M.S Plate -150*150*8mm SHEET 2 OF 5 3

base to fix chimney M.S Angle=30*30*3 SHEET 2 OF 5 1

M.S Angle=50*50*5, ISI Marked Length=16ft SHEET 2 OF 5 1

M.S Angle=30*30*3, Length=35ft SHEET 2 OF 5 1

C.R Sheet T=1.2mm, 35sqft SHEET 2 OF 5 1

M.S Plate -150*150*8mm SHEET 2 OF 5 2

base to fix chimney M.S Angle=30*30*3 SHEET 2 OF 5 1

7 Chimney Assembly SHEET 2 OF

B)Chimney, C.R Sheet T=1.2mm, SHEET 2 OF 5 1

A)Bottom flange, SHEET 2 OF 5 1

C)Bush SHEET 2 OF 5 1

D)Top Flange SHEET 2 OF 5 1

E)Damper cum cover of chimney SHEET 3 OF 5 1

8 Bottom & Top Pulley 1

9 Rope mechanisam of chimney SHEET 2 OF 5 1

10 Rope Mechanism to operate Cover/Damper SHEET 2 OF 5 1

2-vertical support for door and dom M.S Angle=50*50*5, ISI

11 Marked SHEET 3 OF 5 1

3-Vertical support for dom M.S Square Pipe =50*50*3, ISI

12 Marked SHEET 2 OF 5 1

13 5-Clamps Flat 25*3 SHEET 3 OF 5 1

14 Insulation Mounting bolts SHEET 4 OF 5 1

15 Insulation materials

Cerawool mattresses for Dom, Thickness=50 density=128kg/m3 94

Cerawool mattresses for Wall, Thickness=50 density=128kg/m3 100

Cerawool mattresses for Door, Thickness=100 density=128kg/m3 12

16 Hardware iteams i.e Nut bolts, spring washers As per Requirement

Primer and colours etc As per Requirement

17 Data Board SHEET 4 OF 5

M.S Square Pipe =38*38*2 mm, ISI Marked

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

SR. SPECIFICATION QTY.

NO. NAME OF PARTS AS PER DRG. Wt.

C.R. Sheet 1.2 mm,

Total Mechanical Work Cost With Labour

24 Loading and Installation at side As per Requirement 1

DETAILED SPECIFICATIONS

1.0.0 (A) Excavation for foundation up to 1.5 M depth including sorting out and stacking useful

materials, disposing of the excavated stuff up to 50 meter lead in loose or soft soil.

• 1.1 Any soil which generally yields to the application of pickaxes and shovels, phawaras,

rakes, or any such ordinary excavating implement, or organic soil, gravel, silt, sand, turf loam,

clay, peat, etc., falls under this category.

2. Clearing the Site

• 2.1 The site on which the structure is to be built shall be cleared and all obstructions, loose

stone, materials, and rubbish of all kinds, bushwood, and trees shall be removed as directed.

The materials so obtained shall be the property of the Government and be conveyed and

stacked as directed within a 50 M lead. The roots of the trees coming in the sides shall be cut

and coated with hot asphalt.

• 2.2 The rate of site clearance is deemed to be included in the rate of earthwork, for which no

extra will be paid.

• 3.1 After clearing the site, the centerlines will be given by the Engineer-in-charge. The

contractor shall assume full responsibility for the alignment, elevation, and dimension of each

and all parts of the work. The contractor shall supply laborers, materials, etc., required for

setting out the reference marks and benchmarks and shall maintain them as long as required

• 4.1 The excavation in foundation shall be carried out in true line and level and shall have the

width and depth as shown in the drawings or as directed. The contractor shall do the necessary

shoring and shuttering or provide necessary slopes to a safe angle at his own cost. The

payment for such precautionary measures shall be paid separately if not specified. The bottom

of the excavated area shall be leveled both longitudinally and transversely as directed by

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

removing and watering as required. No earth filling will be allowed for bringing it to level if,

by mistake or any other reason, excavation is made deeper or wider than shown on the plan or

directed. The extra depth or width shall be made up with concrete of the same proportion as

specified for the foundation concrete at the cost of the contractor. The excavation up to

mm depth shall be measured under this item.

5. Disposal of Excavated Stuff

• 5.1 The excavated stuff of the selected type shall be used in filling the trenches and plinth or

leveling the ground in layers, including ramming and watering, etc.

• 5.2 The balance of the excavated quantity shall be removed by the contractor from the site of

work to places as directed with a lead up to 50 M and all lifts.

6. Mode of Measurement and Payment

• 6.1 The measurement of excavation in trenches for foundation shall be made according to the

sections of trenches shown on the drawing or as per sections given by the Engineer-in-charge.

No payment shall be made for surplus excavations made in excess of the above requirements

or due to sloping and sloping back as found necessary on account of conditions of soil and

requirements of safety.

• 6.2 The rate shall be for a unit of one cubic meter.

1.0.0 (B) Excavation for foundation up to 1.5 M depth including sorting out and stacking of useful

materials and disposing of the excavated stuff up to 50 meter lead in dense or hard soil.

1. Dense or Hard Soil

• Any soil which generally requires close application of picks, jumpers, or scarifiers to loosen

it, such as stiff clay, gravel, and rubble stone, etc., falls under this category.

• The relevant specification of item No. 4.0.0 (A) shall be followed, except that the excavation

work shall be carried out in dense or hard soil.

3. Mode of Measurement and Payment

• 3.1 The relevant specification of item No. 4.0.0 (A) shall be followed.

• 3.2 The rate shall be for a unit of one cubic meter.

2.0.0 Providing and laying cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone

aggregate 20 mm nominal size) and curing complete, excluding cost of formwork in:

(A) Foundation and plinth

(B) Independent piers, columns, and pillars up to floor two level

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

• 1.1 Water shall conform to M-1. Cement shall conform to M-3. Sand shall conform to M-6.

Grit shall conform to M-8. Graded stone aggregate 20 mm nominal size shall conform to M-

• 2.1 The concrete mix is not required to be designed by preliminary tests. The proportion of the

concrete mix shall be 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm

nominal size) by volume. Concrete work shall have an exposed concrete surface or as

specified in the item.

• 2.2 The ordinary design mixes M-100, M-150, M-200, and M-250 specified as per I.S.

correspond approximately to 1:3:6, 1:2:4, 1½:3, and 1:1:2 nominal mixes of ordinary concrete

by volume respectively.

• 2.3 The ingredients required for ordinary concrete containing one bag of cement of 50 Kg by

weight (0.0342 Cu.M.) for different proportions of mix shall be as under: Table

• 2.4 The water-cement ratios shall not be more than those specified in the above table. The

cement content of the mix specified in the Table shall be increased if the quantity of water in a

mix has to be increased to overcome the difficulties of placement and compaction so that the

water-cement ratio specified in the Table is not exceeded.

• 2.5 The workability of the concrete shall be controlled by maintaining a water-cement ratio

that is bound to give a concrete mix which is just sufficiently wet to be placed and compacted

without difficulty with the means available.

• 2.6 The maximum size of coarse aggregate shall be as large as possible within the specified

limits, but in no case greater than one-fourth of the minimum thickness of the member,

provided that the concrete can be placed without difficulty to surround all reinforcement

thoroughly and fill the corners of the form.

• 2.7 For reinforced concrete work, coarse aggregates having a nominal size of 20 mm are

generally considered satisfactory.

• 2.8 For heavily reinforced concrete members, as in the case of ribs of main beams, the

nominal maximum size of coarse aggregate should usually be restricted to 5 mm less than the

minimum clear distance between the main bars or 5 mm less than the minimum cover to the

reinforcement, whichever is smaller.

• 2.9 Where the reinforcement is widely spaced, as in solid slabs, limitations on the size of the

aggregate may not be important, and the nominal maximum size may sometimes be as great

as or greater than the minimum cover.

• 2.10 An admixture may be used in concrete only with the approval of the Engineer-in-charge,

based upon evidence that with the passage of time, neither the compressive strength of

concrete is reduced nor are other requisite qualities of concrete and steel impaired by the use

of such admixtures.

3.1 Proportioning

Proportioning shall be done by volume, except for cement, which shall be measured in terms of bags

of 50 Kg weight. The volume of one such bag being taken as 0.0342 Cubic Meter. Boxes of suitable

size shall be used for measuring sand and aggregate. The size of the boxes (internal) shall be 35 cms

x 25 cms and 40 cms deep. While measuring the aggregate and sand, the box shall be filled without

shaking, ramming, or hammering. The proportioning of sand shall be on the basis of its dry volume,

and in the case of damp sand, allowances for bulkage shall be made.

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

• 3.2.1 For all work, concrete shall be mixed in a mechanical mixer which, along with other

accessories, shall be kept in first-class working condition and so maintained throughout the

construction. The measured quantity of aggregate, sand, and cement required for each batch

shall be poured into the drum of the mechanical mixer while it is continuously running. After

about half a minute of dry mixing, the measured quantity of water required for each batch of

concrete mix shall be added gradually, and mixing shall continue for another one and a half

minutes. Mixing shall continue until materials are uniformly distributed, coating the mortar

containing its proportionate amount of cement. In no case shall mixing be done for less than

minutes after all ingredients have been put into the mixer.

• 3.2.2 When hand mixing is permitted by the Engineer-in-charge for small jobs or for certain

other reasons, it shall be done on a smooth, watertight platform large enough to allow efficient

turning over of the ingredients of concrete before and after adding water. The mixing platform

shall be so arranged that no foreign material gets mixed with concrete, nor does the mixing

water flow out. Cement in the required number of bags shall be placed in a uniform layer on

top of the measured quantity of fine and coarse aggregate, which shall also be spread in a

layer of uniform thickness on the mixing platform. Dry coarse and fine aggregate and cement

shall then be mixed by turning over to get a mixture of uniform color. A specified quantity of

water shall then be added gradually through a rose-can and the mass turned over until a mix of

required consistency is obtained. In hand mixing, the quantity of cement shall be increased by

10 percent above that specified.

• 3.2.3 Mixers which have been out of use for more than 30 minutes shall be thoroughly

cleaned before putting in a new batch. Unless otherwise agreed to by the Engineer-in-charge,

the first batch of concrete from the mixer shall contain only two-thirds of the normal quantity

of coarse aggregate. The mixing plant shall be thoroughly cleaned before changing from one

type of cement to another.

3.3 Consistency

• 3.3.1 The degree of consistency, which shall depend upon the nature of the work and methods

of vibration of concrete, shall be determined by regular slump tests in accordance with I.S.

1199-1959. The slump of 10 mm to 25 mm shall be adopted when vibrators are used, and

mm when vibrators are not used.

• 3.4.1 The contractor shall give the Engineer-in-charge due notice before placing any concrete

in the forms to permit him to inspect and accept the falsework and forms as to their strength,

alignment, and general fitness, but such inspection shall not relieve the contractor of his

responsibility for the safety of men, machinery, materials, and for results obtained.

Immediately before concreting, all forms shall be thoroughly cleaned.

• 3.4.2 Centering design and its erection shall be got approved from the Engineer-in-charge.

One carpenter with a helper shall invariably be kept present throughout the period of

concreting. Movement of labor and other persons shall be totally prohibited for reinforcement

laid in position. For access to different parts, suitable mobile platforms shall be provided so

that steel reinforcement in position is not disturbed. For ensuring proper cover, mortar blocks

of suitable size shall be cast and tied to the reinforcement. Timber, kapachi, or metal pieces

shall not be used for this purpose.

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

3.5 Transporting and Laying

• 3.5.1 The method of transporting and placing concrete shall be as approved. Concrete shall be

transported and placed so that no contamination, segregation, or loss of its constituent

material takes place. All formwork shall be cleaned and made free from standing water, dust,

snow, or ice immediately before placing of concrete. No concrete shall be placed in any part

of the structure until the approval of the Engineer-in-charge has been obtained.

• 3.5.2 Concreting shall proceed continuously over the area between construction joints. Fresh

concrete shall not be placed against concrete which has been in position for more than

minutes unless a proper construction joint is formed. Concrete shall be compacted in its final

position within 30 minutes of its discharge from the mixer. Except where otherwise agreed to

by the Engineer-in-charge, concrete shall be deposited in horizontal layers to a compacted

depth of not more than 0.45 meters when internal vibrators are used and not exceeding

meters in all other cases.

• 3.5.3 Unless otherwise agreed by the Engineer-in-charge, concrete shall not be dropped into

place from a height exceeding 2 meters. When trunking or chutes are used, they shall be kept

close and used in such a way as to avoid segregation. When concreting has to be resumed on a

surface which has hardened, it shall be roughened, swept clean, thoroughly wetted, and

covered with a 13 mm thick layer of mortar which shall be freshly mixed and placed

immediately before placing of new concrete. Where concrete has not fully hardened, all

laitance shall be removed by scrubbing the wet surface with wire or bristle brushes, care being

taken to avoid dislodgement of any particles of coarse aggregate. The surface shall then be

thoroughly cleaned. The layer shall not exceed 150 mm in thickness and shall be well rammed

against old work, particular attention being given to corners and close spots.

• 3.5.4 All concrete shall be compacted to produce a dense homogeneous mass with the

assistance of vibrators, unless otherwise permitted by the Engineer-in-charge for exceptional

cases, such as concreting under water, where vibrators cannot be used. Sufficient vibrators in

serviceable condition shall be kept at the site so that spare equipment is always available in

the event of breakdowns. Concrete shall be judged to be compacted when the mortar fills the

spaces between the coarse aggregate and begins to cream up to form an even surface.

Compaction shall be completed before the initial setting starts, i.e., within 30 minutes of the

addition of water to the dry mixture. During compaction, it shall be observed that the needle

vibrator is not applied on reinforcement, which is likely to destroy the bond between concrete

and reinforcement.

Immediately after compaction, concrete shall be protected from weather, including rain, running

water, shocks, vibration, traffic, rapid temperature changes, frost, and drying-out processes. It shall be

covered with wet sacking, hessian, or other similar absorbent material approved soon after the initial

set and shall be kept continuously wet for a period of not less than 14 days from the date of

placement. Masonry work over foundation concrete may be started after 48 hours of its laying, but

curing of concrete shall be continued for a minimum period of 14 days.

3.7 Sampling and Testing of Concrete

• 3.7.1 Samples from fresh concrete shall be taken as per I.S. 1199-1959 and cubes shall be

made, cured, and tested at 7 days or 28 days as per requirement in accordance with I.S. 516-

1959. A random sampling procedure shall be adopted to ensure that each concrete batch shall

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

have a reasonable chance of being tested, i.e., the sampling should be spread over the entire

period of concreting and cover all mixing units. The minimum frequency of sampling of

concrete of each grade shall be in accordance with the following: Table 51 and above 4 + one

additional for each additional 50 M or part thereof. NOTE: At least one sample shall be taken

from each shift. Ten test specimens shall be made from each sample, five for testing at 7 days

and the remaining five at 28 days. The samples of concrete shall be taken on each day of the

concreting as per the above frequency. The number of specimens may be suitably increased as

deemed necessary by the Engineer-in-charge when the procedure of tests given above reveals

a poor quality of concrete and in other special cases.

• 3.7.2 The average strength of the group of cubes cast for each day shall not be less than the

specified cube strength of 150 Kg/Cm² at 28 days. 20% of the cubes cast for each day may

have values less than the specified strength, provided the lowest value is not less than 85% of

the specified strength. If the concrete made in accordance with the proportions given for a

particular grade does not yield the specified strength, such concrete shall be classified as

belonging to the appropriate lower grade. Concrete made in accordance with the proportions

given for a particular grade shall not, however, be placed in a higher grade on the ground that

the test strengths are higher than the minimum specified.

• 3.8.1 The Engineer-in-charge shall be informed in advance by the contractor of his intention

to strike the formwork. While fixing the time for removal of formwork, due consideration

shall be given to load conditions, character of the structure, the weather, and other conditions

that influence the setting of concrete and of the materials used in the mix. In normal

circumstances (generally where temperatures are above 20°C) and where ordinary concrete is

used, forms may be struck after the expiry of periods specified in item No. 9.1 (A) for

respective items of formwork.

• 3.8.2 All formwork shall be removed without causing any shock or vibration as would

damage the concrete. Before the soffits and struts are removed, the concrete surface shall be

exposed wherever necessary in order to ascertain that the concrete has sufficiently hardened.

Centering shall be gradually and uniformly lowered in such a manner as to permit the

concrete to take stresses due to its own weight uniformly and gradually. Where internal metal

ties are permitted, they or their removable parts shall be extracted without causing any

damage to the concrete and the remaining holes filled with mortar. No permanently embedded

metal part shall have less than 25 mm cover to the finished concrete surface. Where it is

intended to reuse the formwork, it shall be cleaned and made good to the satisfaction of the

Engineer-in-charge. After removal of formwork and shuttering, the Executive Engineer shall

inspect the work and satisfy himself by random checks that the concrete produced is of good

• 3.8.3 Immediately after the removal of forms, all exposed bolts, etc., passing through the

cement concrete member and used for shuttering or any other purpose shall be cut inside the

cement concrete member to a depth of at least 25 mm below the surface of the concrete and

the resulting holes be filled by cement mortar. All lines caused by form joints, all cavities

produced by the removal of form ties, and all other holes and depressions, honeycomb spots,

broken edges or corners, and other defects shall be thoroughly cleaned, saturated with water,

and carefully pointed and rendered true with mortar of cement and fine aggregate mixed in the

proportions used in the grade of concrete that is being finished and of as dry consistency as is

possible to use. Considerable pressure shall be applied in filling and pointing to ensure

thorough filling in all voids. Surfaces which are pointed shall be kept moist for a period of

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

hours. If rock pockets / honeycombs in the opinion of the Engineer-in-charge are of such an

extent or character as to affect the strength of the structure materially or to endanger the life of

the steel reinforcement, he may declare the concrete defective and require the removal and

replacement of the portions of the structure affected.

4. Mode of Measurement and Payments

• 4.1 The consolidated cubical contents of concrete work as specified in the item shall be

measured. The concrete laid in excess of the section shown on drawings or as directed shall

not be measured. No deduction shall be made for (a) ends of dissimilar materials such as

joists, beams, posts, girders, rafters, purlin trusses, corbels, and steps, etc., up to 500 sq. cm. in

section; (b) openings up to 0.1 Sq. M.

• 4.2 The rate includes the cost of all materials, labor, tools, and plant required for mixing,

placing in position, vibrating, and compacting, finishing as directed, curing, and all other

incidental expenses for producing the specified strength. The rate excludes the cost of

• 4.3 The rate shall be for a unit of one cubic meter.

5.0.0 (A) Brick work using common burnt clay building bricks having a crushing strength not less

than 35 Kg/Sq.Cm. in foundation and plinth in mud mortar using modular bricks.

• 1.1 Conventional bricks shall conform to M-15.

(No content provided under this section).

3. Mode of Measurements and Payment

• 3.1 The relevant specification of item No. 6.12 (A) shall be followed.

• 3.2 The rate shall be for a unit of one cubic metre.

REFRACTORY WORK

6.0.0 Insulation Bricks / Fire Bricks

Let us take a look at some of the basic specifications of refractory bricks as a significant masonry

material/element:

• Weight: In ideal situations, each ceramic block weighs 3 kilograms.

• Dimensions: Manufactured in a rectangular shape, the dimensions of an ideal refractory brick

range between 9 Inches X 1 Inch to 9 Inches X 4 Inches X 3 Inches.

o Silica: Varies from 60 to 96 percent.

o Alumina: Varies from 2 to 36 percent.

o Other elements include (Lime, Magnesium, Iron Oxide, and Alkali): Which vary

• Colour: Can be yellowish to grey to red and orangish.

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

• Temperature: Can resist heat up to a temperature of 2100 degrees Celsius (3600 degrees

Some Of The Primary Characteristics Of Refractory Bricks:

• They are generally Yellowish-White in Color.

• They offer outstanding thermal resistance along with a great compressive strength.

• Their chemical composition is quite different from the chemical composition of normal

• Contain around 25 to 30% alumina and 60 to 70% silica apart from the oxides of magnesium,

calcium, and potassium.

• Can be used in the construction of kilns, furnaces, etc.

• Have the ability to withstand temperatures up to 2100 degrees Celsius.

• They have an outstanding thermal capacity that helps many different structures to remain

KILN- 26-27 TO CONSTRUCT AND INSTALL OF ENERGY EFFICIENT POTTERY KILN

AUTOCAD DRAWINGS OF ENERGY EFFICIENT KILN

As per Bill of Material Shhet CR Sheet & MS

, ' ' + ' ( As per BIIl of material MS & CR Sheet

Note - All Materials are as per the bill of material sheet ' $- + $ $

GUJARAT MATIKAM KALAKARI

RURAL TECHNOLOGY INSTITUTE

Not to Scale Version& Date Changes Drg-by Chk-by App-by

MODIFIED ENERGY EFFICIENT Sheet

ALL DIMENSIONS ARE IN mm POTTERY KILN (YEAR 2017-18) 1 OF

4 HOLES OF 12.5 DIA

DIA=12.5 10 HOLES EQUAL DISTANCE

Note - All Materials are as per the bill of material sheet

DIA=12.5 12 HOLES PCD=580

HALF DOM - B DIA=12.5 12 HOLES PCD=580

2 HOLES OF 12.5 DIA

DIA=12.5 10 HOLES EQUAL DISTANCE

62 HOLES FOR INSULATION

MOUNTING BOLT OF DIA. 8MM

4 HOLES OF 12.5 DIA " # $ $

4 HOLES OF 12.5 DIA M.S. ANGLE 30X30X3 &

PLATE 150x75 ) #

8 MM THICK + $ ' '

M.S. SHEET OF 1.2MM THICKNESS M.S. ANGLE 50X50X5

E M.S. ANGLE 50X50X5 HALF DOM - A ' ' + $ E

21 4 HOLES OF 12.5 DIA

4 HOLES OF 12.5 DIA

PLATES 8MM THICK , % . ' $

M.S. ANGLE 30X30X3 O

M.S. SHEET OF , $ 2 # $

1.2MM THICKNESS

8MM THICK DIA 12.5 12 HOLES , ' ' + ' (

4 HOLES OF 12.5 DIA PCD = 580 # . ( (

8MM THICK CERAMIC WOOL BLANKET # 6 + ' )

O 610 THICKNESS 50MM

MS SQUARE FLAT 25X3 # 3 #

M10 THICKNESS # ' '

B ANGLE 30X30X3 . (* ' B

A GUJARAT MATIKAM KALAKARI A

RURAL TECHNOLOGY INSTITUTE

Not to Scale Version& Date Changes Drg-by Chk-by App-by

12 ALL DIMENSIONS ARE IN mm

MODIFIED ENERGY EFFICIENT

POTTERY KILN (YEAR 2017-18)

Note - All Materials are as per the bill of material sheet

5 NOS RING OF O3050

F 4 HOLES MADE FROM FLATE25X3 F

30 90 30 THICK WELDED FOR LOCKING

A DOOR HAVINGA A HOLE OF 10 DIA !

PLATES OF 50X40X20

THICK WELDED FOR LOCKING

A DOOR HAVINGA A HOLE OF 20 DIA

5 NOS RING OF O3050 ( #"

MADE FROM FLATE25X3 ' ' '

M.S. ANGLE 50X50X5 &# . )*

M.S. ANGLE 50X50X5

PLATES OF 50X40X20

THICK WELDED FOR LOCKING #" # $ #% $

A DOOR HAVINGA A HOLE OF 20 DIA #% # # $

A GUJARAT MATIKAM KALAKARI A

MS Sheet 2 mm O

8 RURAL TECHNOLOGY INSTITUTE

Not to Scale Version& Date Changes Drg-by Chk-by App-by

MODIFIED ENERGY EFFICIENT Sheet

ALL DIMENSIONS ARE IN mm POTTERY KILN (YEAR 2017-18)

Note - All Materials are as per the bill of material sheet

CERAMIC WOOL BLANKET ' ' ' ' '

THICKNESS 50MM ' ( $

Angle 50X50X5 ! + $

Frame Of Door made from ' ' + $

Angle 40X40X5 ( #"

MS Sheet 1.2 mm , % ! + $ $

All Holes of O8mm ' ' , ' '

B Rod O8 welded &# . )*

1mm THICKNESS #& , 4 '

B MS SQUARE CONDUIT PIPE

38 X 38X 2 MM THICKNESS 1200 # 6 + ' )

SECTION B-B #, $ #, $

5 MM DIA ROD WITH HOT DIP % # 68 # - #2 $

WITH HOT DIP GALVANIZED COATING & #

GALVANIZED COATING

WITH HOT DIP # $ # $

GALVANIZED COATING

MS SQUARE CONDUIT PIPE " " / 0 .1

38 X 38X 2 MM THICKNESS ) / : $ ' #, 0 0# ;

50 X 40 X 2 THICKNESS

M.S. ROD DIA=5MM

WITH HOT DIP 5 ' : ' ' (' ( ' ' $

M.S. ROD DIA=5MM GALVANIZED COATING $ <5 7 % %" '

GALVANIZED COATING

M.S. ROD DIA=5MM

WITH HOT DIP As per Requirement , 3.. '

GALVANIZED COATING MS SQUARE CONDUIT PIPE ' '

38 X 38X 2 MM THICKNESS # =0' + *+ ' ' (

NOTE:- DATA BOARD SHOULD BEWELDED ON DOME OF

R 1245 200 ENERGY EFFICIENT KILN WITHWRITE AS PER REQUIREMENT OF GMK&RTI ' $- + $ $

41 51 GUJARAT MATIKAM KALAKARI

40 RURAL TECHNOLOGY INSTITUTE

39 Not to Scale Version& Date

MODIFIED ENERGY EFFICIENT

Changes Drg-by Chk-by App-by

ALL DIMENSIONS ARE IN mm POTTERY KILN (YEAR 2017-18)

Note - All Materials are as per the bill of material sheet % # $

CERAMIC WOOL BLANKET ,, # 3 ,#

50MM THICKNESS 2490 ,# # 0 3 (

FLOOR OF KILN 25MM THICK FIRE BRICKS #" # $ #% $

(2) EXCAVATION GL #, $ #, $

50 MM THICK CLAY BED SECTION A-A #

EXCAVATION OF LAND FOR 350 # $ # $

O 3270 VERTICAL SUPPORT # 3 #

300X300X450 DEEP

GUJARAT MATIKAM KALAKARI

RURAL TECHNOLOGY INSTITUTE

300X300X450 DEEP 300X300X450 DEEP Dim. in mm

Not to Scale Version& Date Changes Drg-by Chk-by App-by

MODIFIED ENERGY EFFICIENT Sheet

ALL DIMENSIONS ARE IN mm POTTERY KILN (YEAR 2017-18) 5 OF