Tender For Construction Of 6 Class Room And Lab Building In Government Girls Higher Secondary School At Thiruppuvanam In Sivgangai District., thiruppuvanam-Tamil Nadu

Tender For Construction Of 6 Class Room And Lab Building In Government Girls Higher Secondary School At Thiruppuvanam In Sivgangai District.; 1 Earth Work Excavation For Foundation In All Soils And Sub Soil And To Full Depth As May Be Directedexcept Inhard Rock Requiring Blastingbutincludingshoring, Strutting And Balling Out Water Wherever Necessary And Refilling The Sides Offoundationwith Excavated Earth In Layers Of Not More Than 15Cm Thickwellrammed Consolidatedand Depositing The Surplus Earth Within The Compound With An Initial Lead Of 10 Metres And Lift Of 2 Metres In Places Shown By The Departmental Officersclearing, Leveling The Site Etc., Complete Complying With Standard Specification. 2 Supplying And Filling In Foundation, Basement, Etc With Filling Stone Dust In Layers Of Not More Than 15 Cm Thick Well Watered, Rammed And Consolidated Etc. Complete Complying With Standard Specification And As Directed By The Departmental Officers. 3 Supplying And Filling In Foundation, Basement, With Conveyed Earth With A Lead Of 0-5Km In Layers Of Not More Than 15 Cm Thick Well Watered, Rammed And Consolidated Etc. Complete Complying With Standard Specification And As Directed By The Departmental Officers. 4 Cement Concrete 1:5:10 ( One Cement, Five Crushed Stone Sand ( M-Sand ) ) And Ten Hard Broken Stone Jelly ) Using 40 Mm Gauge Hard Broken Granite Stone Jelly For Foundationincluding Dewatering Wherever Necessary And Laid In Layers Of Not More Than 15 Cm Thick Well Rammed, Consolidated And Curing Etc. Complete Complying With Standard Specification 5 Cement Concrete 1:5:10 ( One Cement, Five Crushed Stone Sand And Ten Hard Broken Stone ) Using 40 Mm Gauge Hard Broken Jelly For Flooring Including Laying, Consolidating, Finishing, Rendering The Top Surface Rough To Receive The Floor, Curing, Etc. Complete Complying With Standard Specification. ( The Rate Is Inclusive Of Necessary Planking For Panellingwherever Necessary And As Directed By The Departmental Officers 6 Brick Work Incement Mortar1:5 ( One Cement And Five Crushed Stone ( M-Sand ) ) Using Best Quality Of Country Bricks Of Size 8-3 / 4 X 4-1 / 4 X 2-3 / 4 For Foundation And Basement Including Curing, Etc., Complete Complying With Standard Specification.In Foundation & Basement 7 Brick Work Incement Mortar1:6 ( One Cement And Six Crushed Stone ( M-Sand ) ) Using Best Quality Of Country Bricks Of Size 8-3 / 4 X 4-1 / 4 X 2-3 / 4 For Foundation And Basement Including Curing, Etc., Complete Complying With Standard Specification. 8 In Foundation And Basement 9 In Ground Floor 10 In First Floor 11 In Second Floor 12 In Third Floor 13 Brick Partition Walls Of 10.80Cm Thickness Using Best Quality Country Bricks Of Size 8-3 / 4 X 4-1 / 4 X 2-3 / 4 In Cement Mortar 1:3 ( One Cement And Three Sand ) Using Hoop Iron Reinforcement If Found Necessary Including Curing Etc. Complete And As Directed By The Departmental Officers. ( Hoop Iron Reinforcement Will Be Measured And Paid For Separately ) . 14 In Ground Floor 15 In First Floor 16 In Second Floor 17 Supplying And Erecting Steel Centering Including Necessary Supports For Plane Surfaces For Reinforced Cement Concrete Works Such As Column Footings, Column Pedestals, Plinth Beams, Grade Beams, Staircase Steps, Etc. Which Require Only Nominal Strutting Using Mild Steel Sheets Of Size 90Cm X 60Cm And 10 Bg Stiffened With Welded Mild Steel Angles Of Size 25Mm X 25Mm X 3 Mm For Boarding, Laid Over Silver Oakjoists Of Size 10Cm X 6.5Cm Spaced At About 75Cm Centre To Centre Or At Suitable Intervals Etc. Complete In All Floors Complying With Standard Specifcation. ( Payment For Centering Shall Be Given After The Concrete Is Laid ) 18 Supplying And Erecting Centering For Sides And Soffits Including Necessary Supports And Strutting Upto 3.29 M Height For Plane Surfaces As Detailed Below In All Floors With All Cross Bracings Using Mild Steel Sheets Of Size 90 X 60 Cm And 10 Bg Stiffened With Welded Mild Steel Angle Of Size 25Mm X 25Mm X 3 Mm For Boarding Laid Over Silver Oak Joists Of Size 10Cm X 6.50 Cm Spaced At About 90 Cm Centre To Centre And Supported By Casurina Props Of 10Cm To 13 Cm Dia Spaced At Not More Than 75 Cm Centre To Centre Etc. Complete Complying With The Standard Specificaiton. ( Payment For Centering Shall Be Given After The Concrete Is Laid ) 19 For Plane Surfaces Such As Rcc Floor Slab, Roof Slab, Beams, Lintels, Bed Blocks, Landing Slab, Waist Slab, Portico Slabs And Beams, Etc. 20 For Plane Surfaces Such Asrectangular Or Square Rcc Columns, Sunshades, Top And Bottom Slab Of Rcc Boxing, Etc. 21 Providing And Laying In Position, Standardised Concrete Mix M-20 Grade In Accordance With Is:456-2000, Using 20Mm And Down Graded Hard Broken Granite Stone Jelly For All Rcc Items Of Works With Minimum Cement Content Of 325 Kg / M3 And Maximum Water Cement Ratio Of 0.55, Including Admixture ( Plasticiser / Super Plasticiser ) In Recommended Proportions As Per Is:9103 To Accelerate, Retard Setting Of Concrete, Improve Workability Without Impairing Strength And Durability With About ( 5 Cu.M. ) 7730 Kg. Of 20Mm Machine Crushed Stone Jelly And With About ( 3.3 Cu.M. ) 5156 Kg. Of 10-12Mm Machine Crushed Stone Jelly And With About ( 4.79 CuM ) 7670 Kg. Of Crushed Stone Sand ( M-Sand ) , But Excluding Cost Of Reinforcement Grill And Fabricating Charges, Centering And Shuttering And Also Including Laying, Vibrating With Mechanical Vibrators, Finishing, Curing, Etc. And Providing Fixtures Like Fan Clamps In The Rcc Floor / Roof Slabs Wherever Necessary Without Claiming Extra, Etc., Complete Complying With Standard Specification And As Directed By The Departmental Officers. The Coarse And Fine Aggregates To Be Used Should Comply With The Requirements Of Is Standards. ( No Separate Payment Will Be Made By The Department For The Excess Usage Of Materials ) . 22 In Foundation And Basement 23 In Ground Floor 24 In First Floor 25 In Second Floor 26 In Third Floor 27 Supplying, Fabricating And Placing In Position Mild Steel / Ribbed Tor Steel Grills For All Rcc Works As Per Design Given Including Cost Of Steel And G.I. Binding Wire In All Floors Etc. Complete Complying With Standard Specification. ( Contractor Has To Make His Own Arrangements For The Supply Of Steel And Binding Wire ) 28 Weathering Course In Brick Jelly Lime Concrete Using Broken Brick Jelly Of Size 20Mm Uniform Gauge In Pure Slaked Lime ( No Sand To Be Used ) To The Proportion Of Brick Jelly To Lime Being 32:12.5 By Volume And Laid Over The Rcc Roof Slab In A Single Layer Of Required Slope And Finished By Beating The Concrete With Wooden Beaters Of Approved Pattern, Keeping The Surface Constantly Wet By Sprinkling Lime Jaggery Water, Etc., Complete As Per Standard Specification And As Directed By The Deparmental Officers. 29 Finishing The Top Of Roof With One Course Of Approved First Quality Machine Pressed Tiles Of Size 230 Mm X 230 Mm X 20 Mm Thick Of Approved Quality Laid In Cement Mortar 1:3 ( One Cement And Three Crushed Stone Sand ( M-Sand ) ) 12Mm Thick Mixed With Water Proofing Compound Confirming To Indian Standard Specification As Approved By The Departmental Officers At 2% By Weight Of Cement Used And The Joints Pointed Neatly To Full Depth Of Tiles With The Same Mortar Mixed With The Water Proofingcompound And Red Oxide Etc. Complete Complying With Standard Specification. 30 Paving The Floor With Kota Stone Slab Of Size 600 X 600 Of 18 / 20Mm ( Un-Polished ) In All Floors Laid In Of Cement Mortor 1:3 ( One Cement Three Sand ) , 20Mm Thick And Pointed With Colour Cement Neatly Including Polishing With Polishing Stone And Oxalic Acid Etc., So As To Perfectly Smooth And Glossy And Including Hire Charges For Polishing Machine And Power Consumption Charges Etc. The Kota Stone Slabs And Other Materials To Be Used Shall Be Got Approved By The Executive Engineer Concerned Before Use On Work, Etc., Complete As Per Standard Speicification. 31 Paving The Floor With Cement Based Hydraulically Pressed Anti Skid Tiles ( Pattern Design ) Of 20Mm Thick Of Approved Quality And Colour Laid In Cement Mortar 1:3 ( One Cement And Three Sand ) 20Mm Thick And Pointed With White Cement Mixed With Colouring Pigment At The Rate Of 0.40 Kg. / Sq.M., Curing, Etc., Complete Complying With Standard Specification And As Directed By The Departmental Officers. ( The Make And Brand Of The Tiles Should Be Got Approved By Executive Engineer Before Use On Works ) 32 Paving The Floor With Pre-Polished Concrete Anti-Skid Step Tiles ( Required Shape And Design ) Of 20Mm Thick Of Approved Quality And Colour Laid In Cement Mortar 1:3 ( One Cement And Three Sand ) 20Mm Thick And Pointed With White Cement Mixed With Colouring Pigment At The Rate Of 0.40 Kg. / Sq.M., Curing, Etc., Complete Complying With Standard Specification And As Directed By The Departmental Officers. ( The Make And Brand Of The Tiles Should Be Got Approved By Executive Engineer Before Use On Works ) 33 Supplying And Fixing In Position Steel Balustrades Using 20Mm Square Rods Spaced At 150Mm Centre To Centre So That The Two Balustrades In Each Step Shall Be Placed Centrally And The Top Of Balustrades Connected With The Hand Rails ( Cost Of Hand Rail Shall Be Measured And Paid Separately ) By Means Of Ms Flats Of Size 40Mm X 6Mm In The Groove 40Mm X 6Mm Provided At The Bottom Of Hand Rail; The Bottom Of Balustrades Shall Be Fixed On To The Top Of Step Concrete.An Additional Ms Flat Of Size 50Mm X 6Mm Shall Be Provided At The Centre Of Balustrades Connecting All Square Rods To The Entire Length Including Cost Of Square Rods, Flat And Applying One Coat Of Red Oxide Primer To The Iron Surfaces, Etc., Complete Complying With Standard Specification And As Directed By The Departmental Officers. 34 Supplying And Fixing 40Mm Dia Gi Pipe For Staircase Hand Rail Including Labour Charges For Cutting, Welding And Fixing With Ms Flats ( Excluding Cost Of Flat ) , Etc., As Directed By The Departmental Officers 35 Supplying And Fixing Gi Pipe Handrails For Differently Abled Persons Using 50Mm Dia Gi Pipe Double Handrail At A Height Of 800Mm And 900Mm From Floor Level With 25Mm Thick Ms Square Rods As Balusters Embedded In The Concrete And Welded With Pipe At 60Cm Centre To Centre As Shown In Ca Job No. 9123 / 1 Including Cutting, Welding, Bending And Fixing Charges And Applying One Coat Of Red Oxide Primer For Ms Members As Directed By The Departmental Officers 36 Supplying And Fixing In Position Best Approvedbisquality Of Pvc Rain Water Down Fall Pipes Having A Working Pressure Of 4 Kg. / Sq.Cm Of Following Dia. Including Cost Of Necessrypvc Shoe, Pvc Bend, Cast Iron Gratings Of Required Diameter Andspecial Clamps, Brass Screws, Nails, Etc. And Fixing Of Cast Iron Gratings At Junction Of Parapet And The Rcc Roof Slab Including Finishing Neatly Etc. Complete. The Rate Shall Be Inclusive Of Cost Of Removable Castiron Grating. The Pvc Pipe Shall Be Fixed In Wall With Special Type Of Clamps.Special Type Of U Clamp At The Centre Of The Pipe Line Shall Be Fixed In Addition To Those For More Than 3.0Metrepipe Lengthetc., Complete Complying With Standard Specification. 110Mm Dia Pvc Pipe 37 Supplying And Fixing Fine Polished Cuddapah Slab Of Following Thickness For Cup-Board Arrangements Including Laying To Correct Alignment With Necessary Cement Mortar And Black Powder Etc, Complete Complying With Standard Specification And As Directed By The Departmental Officers.20 / 30Mm Thick 38 Plastering With Cement Mortar 1:5 ( One Cement And Five P- Sand ) , 12Mm Thick In All Floors Including Curing Etc. Complete Complying With Standard Specification And As Directed By The Departmental Officers. 39 Special Ceiling Plastering And Finishing The Exposed Surface Of All Rcc Items Of Work Such As Slabs, Beams, Sunshades, Facia, Canopy Slab, Staircase Waist Slab, Landing Slab Etc., With Cement Mortar 1:3 ( One Cement And Three P-Sand ) 10Mm Thick Including Hacking The Surfaces, Providing Cement Mortar Nosing, Beading For Sunshades, Staircases, Steps, Landing Slabs And Curing, Etc., In All Floors Complying With Standard Specification And As Directed By The Departmental Officers 40 Painting Two Coats Of Newly Plastered Wall Surface With Ready Mixed Plastic Interior Emulsion Paint Of First Class Quality And Of Approved Colour Over A Priming Coat Including Thorough Scrapping, Clean Removal Of Dirt, And Including Necessary Plaster Of Paris Putty, Wherever Required Etc., Complete Complying With Standard Specification. 41 Painting Two Coats Of Newly Plastered Wall Surface With Ready Mixed Plastic Exterior Emulsion Paint Of First Class Quality And Of Approved Colour Over A Priming Coat Including Thorough Scrapping, Clean Removal Of Dirt, And Including Necessary Plaster Of Paris Putty, Wherever Required Etc., Complete Complying With Standard Specification. 42 Painting New Iron Works Such As Steel Doors, Windows, Ventilators, Window Bars, Balustrades Etc., With Two Coats Of Best Approved First Quality And Colour Of Synthetic Enamel Paint Over Thered Oxide Priming Coat In All Floors Including Cost Of Priming Coat Etc., Complete Complying With Standard Specification. ( The Make, Quality And Colour Of Paint Should Be Got Approved By The Executive Engineer Before Use On Works. ) 43 Providing Black Board In Two Layers With First Layer In C.M. 1:5 ( One Cement And Five Sand ) 20Mm Thick And Second Layer In Combination Mortor 1:1:6 ( One Cement One Lime And Six Sand ) 20Mm Thick And 50Mm Width Including Cost Of One Coat Blockoxide Paint Of Approved Quality Etc., Complete Complying With Standarded Specification And As Directed By Departmental Officers. 44 Manufacturing Supplying And Fixing Of Steel Door With The Following Specification Ms Angels Of Size 40X40x6mm Are Used For The Outer Frames And M.S. Angles Of Size 35X35x5mm For The Shutter Frames Stiffeners With 32 X 6Mm M.S Flat Is Provided At Required Intervals In The Shutter Frame. 18-Gauge C.R. Sheet Laid As Panel In The Shutter And Welded Intact. M.S. Flat 18X5mm Is Welded Over The 32 X 6Mm M.S. Flat Sandwitching The C.R. Sheet In Between Additional Stiffeners With 18X5mm M.S. Flat Is Provided Diagonally At The Rear Side Of The Shutter, 3Nos. Of Hinges In Case Of Single Leaf And 6Nos. Of Hinges In Double Leaves Shutter To Be Provided 6Nos. Of Holdfasts 120 Mm In Length Made Of Angle Section Spliced At The Ends Are Welded To The Outer Frames Of The Door. Tower Bolts 2Nos. One At The Top And The Other At The Bottom Are Provided 1No. Aldrop Is Provided Incase Of Double Leaf Door At Lock Railsection In The Door In Single Leaf Door, One More Aldrop Is Provided In The Inner Lock Rail Section Of The Door One Rotaing Locking Arrangements For The Inner Side Of The Door And Additional Provision For Locking Arrangements For Lock Is Provided On The Rear Side Of The Door At An Appropriate Place.Incase Of Double Leaf Door M.S.Flat 32 X 3Mm At 1.1Kg / M Is Provided On The One Shutter T Conceal The Gap Between The Two Shutters.At An Appropriate Place In The Door. A Tie Bar Is Provided At The Bottom Of The Frame To Prevent Twisting Of Frame During Transportation And Fixing. All Members Are Given A Coat Of Red Oxide Primer As Directed By The Departmental Officers. The Rate Includes Cost Of All Materials, Labour Charges, Transportation To Site Of Work, Loading, Un Loading And All Other Incidental Charges Etc., Complete. Single Leaves 45 Manufacturing Supplying And Fixing Of Steel Door With The Following Specification Ms Angels Of Size 40X40x6mm Are Used For The Outer Frames And M.S. Angles Of Size 35X35x6mm For The Shutter Frames Stiffeners With 32 X 6Mm M.S Flat Is Provided At Required Intervals In The Shutter Frame. 18-Gauge C.R. Sheet Laid As Panel In The Shutter And Welded Intact. M.S. Flat 18X5mm Is Welded Over The 32 X 6Mm M.S. Flat Sandwitching The C.R. Sheet In Between Additional Stiffeners With 18X5mm M.S. Flat Is Provided Diagonally At The Rear Side Of The Shutter, 3Nos. Of Hinges In Case Of Single Leaf And 6Nos. Of Hinges In Double Leaves Shutter To Be Provided 6Nos. Of Holdfasts 120 Mm In Length Made Of Angle Section Spliced At The Ends Are Welded To The Outer Frames Of The Door. Tower Bolts 2Nos. One At The Top And The Other At The Bottom Are Provided 1No.Aldrop Is Provided Incase Of Double Leaf Door At Lock Rail Section In The Door In Single Leaf Door, One More Aldrop Is Provided In The Inner Lock Rail Section Of The Door One Rotaing Locking Arrangements For The Inner Side Of The Door And Additional Provision For Locking Arrangements For Lock Is Provided On The Rear Side Of The Door At An Appropriate Place.Incase Of Double Leaf Door M.S.Flat 32 X 3Mm At 1.1Kg / M Is Provided On The One Shutter T Conceal The Gap Between The Two Shutters.At An Appropriate Place In The Door. A Tie Bar Is Provided At The Bottom Of The Frame To Prevent Twisting Of Frame During Transportation And Fixing. All Members Are Given A Coat Of Red Oxide Primer As Directed By The Departmental Officers. The Rate Includes Cost Of All Materials, Labour Charges, Transportation To Site Of Work, Loading, Un Loading And All Other Incidental Charges Etc., Complete.Double Leaves 46 Fabricating, Supplying And Fixing Of Steel Emergency Exitdoor Cum, Emergency Window With The Following Specification. M.S. Angle In Size 40X40x6mm Are Used For The Outer Frames And M.S. Angle Of Sie 35X35x5mm For The Shutter Frame, Stiffners With 32X6mm M.S. Flats Provided At Required Intervals In The Shutter Frames 18 Guage Cr Sheet Is Laid As Panel And Welded Instant For 1 / 3 Bottom Portion Of The Shutter, M.S. Flat 18X5mm Is Welded Over The 32X6mm M.S Flat Sandwitching The Cr Sheet In Between Additional Stiffner With 18X5mm M.S. Flat Is Provided Diagonally At The Rear-Side Of The Shutter. The Balance 2 / 3 Portion At Top Is Provided With Grill At An Average Weight Of 15Kg / M2 And The Top Portion Of Operation Emergency Window Is To Be Made Of 25X25x3mm M.S. Angle Welded Intact With Cr Sheet And 25X3mm M.S. Flat At Diagonally At The Near Side Of The Window At Required Interwals 6 Nos. Of Hinges To Be Provided, 6 Nos Of Holdfast 100Mm In Length Made Of Angle Section Spliced At The Ends Are Welded To The Outer Frame Of The Door. Tower Bolts 2 Nos. One At Top And The Other At The Bottom Are To Be Provided One Aldrop Is Provided At An Appropriate Place In The Door 2 Nos. Of D Typehandle For Emergency Window And 2 Nos Of Handle For Door Is To Be Provided At Appropriate Places. A Tie Bar Is Provided At The Bottom Of The Outer Frame To Prevent Twisting Offrame During Transportation Of Fixing. All Members Are Given One Coat Of Red Oxide Primer As Directed By The Departmental Officers. The Rate Includes Cost Of Materials, Labour Transportation To Side Of Works, Loading, Unloading And All Other Incidental Charges Etc., Complete. 47 Fabricating, Supplying And Fixng In Position Of Steel Sheeted Windows ( Three Leaves ) With The Following Specifications. Outer Frames Of Windows Made Of Z Section F7d Of Size 33 X 25 X 3Mm At 1.419 Kg / M And Mullion J Section ( F4b ) Of Size 46X25x3mm At 2.28Kg / M And Shutter Section Of Made Off7d Of 33X25x3mm At 1.419 Kg / M As Specified In Is 7452 / 1990. Each Openable Shutter Should Not Exceed A Width Of 600Mm To Enable Separate Operations And Easy Maintenance. The Panel Of The Shutters To Be Covered With 18 Gauge Cold Rolled Sheet Of Superior Quality And Welded Intact With Shutter Frames. Horizontal Stiffeners Using 18X5mm Ms Flat At 0.70Kg / M At 3 Nos. For Each Shutter And Additional Diagonal Stiffners Of The Same Ms Flats At All The Four Corners Of Each Shutters To The Suitable Length Welded To The Shutters, For Holding The Cr Sheets In Position Firmly.2 Numbers Of Sturdy Hinges And One Number Of Handle-Cum-Latch Of Special Type Made With 18X5mm Ms Flats Are Revetted To The Shutters At An Appropriate Height In Window. Suitable Opening Is Left For Its Easy Operation. A Stopper Square Rod For Handle Is Provided In The Mullion Section At Suitable Place To Catch The Window Handle. Each Window Shutter Having An Adustable Stay Made Out Of 18 X 5Mm At 0.70 Kg / M Ms Flat Of Lenght 320Mm With Three Adjustable Position. A Matching Peg Is Provided In The Outer Frame Of The Window At Suitable Place. 4 Nos. Of Hold Fasts Of 120Mm Length Spliced At The Ends Are Welded To The Outer Frame Of The Window By Using Ms Flat Of 18X5mm At 0.70Kg / M, Welded To The Shutter At Two Place Equivalent From Each From Top And Bottom Of The Shutter. An Ms Square Bar Of 12Mm Size Is Welded To The Inner Face Of The Window At An Equal Interval Not Exceeding 100Mm Edge Between Them. All Members Are Painted With One Coat Of Anti-Corrosive Red Oxide Primer As Directed By The Departmental Officers.All Sections Should Be In Confirmed With Is 7452 / 1990.The Cost Includes Cost Of All Materials, Labour Charges And Other Incidental Charges, Etc., Complete Three Leaves 48 Supplying And Fixing Mild Steel Iron Grill For Windows Ventilators And Grill Gate Etc., Including One Coat Of Red Oxide Primer Using M.S Angle Of Size 40 X 40 X 6 Mm And Grill Using 20 X 6Mm M.S Flat And Necessary Hold Fast With M.S Angle Of Size 40 X 40 X 6 Mm - 230 Mm Long Spliced At End Is To Be Provided At Appropriate Places For Fixing The Grill Etc., Complete Complying With Standard Specification. The Type Design For The Grills Should Be Got Approved By The Departmental Officers Before Execution. 49 Pre-Construction Anti-Termite Treatmentplinth Area – Surface Treatment.Stage-1 :- Completion Of Earth Work For Column Footings Before Laying Plain Cement Concrete 25Mm Dia Hole Spaced At 30Cm Center To Center On Both Direction Will Be Made At The Bottom Of Earth Workand The Chemical Will Be Poured In The Holes And Will Be Sprayed In The Four Sides Of Earth Work At The Rate Of 3 Litres Of Chemical Solution ( Chlorophyrifos Emulsion Diluted In Ration 1:19 ( One Emulsion And 19 Water Per Square Metre ) Stage-Ii :- After Filling The Basement Before Laying Flooring Concrete With Filling Sand 25Mm Dia Holes To Adepth Of 450Mm Will Be Made Inside The Basement And The Chemical Will Be Poured In The Holes At The Rate Of 3 Litres Of Chemical Solution ( Chlorophyrifos Emulsion Diluted In Ration 1:19 ( One Emulsion And 19 Water ) Per Square Metre Payment Shall Be Made After Completion Of 3 Stages. Peripheral Treatmentstage-Iii.On Completion Of Building And Leveling The Outer Area Adjacent To The Walls Column Ground Ponds Of Size ( 900X300 Mm Will Be Filled In The Ponds At The Rate Of 3 Litre Of Chemical Solution Per Rm Payment Shall Be Made After Completion Of 3 Stages.Stage-Iv.Sprayingtermite Solution Around The Building ( Out Side Of The Building ) By Making Crowbar Holes Around The Building Before Laying The Plinth Protection. This Holes Has To Be Closedafter The Treatment. ( The Payment Shall Be Made After Completion Of 4 Stages. 50 Manufacturing, Supplying And Fixing In Position Plain Cement Concrete Precast Pavement Slab Of Size 450Mm X 450Mm Of 50Mm Thick In Cement Concrete 1:2:4 ( One Cement, Two Sand And Four Jelly ) Using 20Mm Hbg Stone Jelly Including Cost Of Moulding Charges, Casting Of Slab, Finishing, Curing, Fixing And Pointing The Slab With Cm 1:3 ( One Cement And Three Sand ) To Full Depth Of Slab Etc., Complete Complying With Standard Specification And As Directed By Departmental Officers. 51 Gst 18 %

Sr No	CorrigendumDate	Corrignedum	CorrigendumType	NewSubmissionDate
1	27-Dec-2023	Tender submission extension	Date	03-01-2024

Refer document

INR 67500.0 /-

INR 1.15 Crore /-

Name of Work:Construction of 6 Class Room and lab building in Government Girls Higher Secondary School at Thiruppuvanam in Sivgangai District.

Sl. No.	Item Description
1	Earth work excavation for foundation in all soils and sub soil and to full depth as may be directedexcept inhard rock requiring blastingbutincludingshoring,strutting and balling out water wherever necessary and refilling the sides offoundationwith excavated earth in layers of not more than 15cm thickwellrammed consolidatedand depositing the surplus earth within the compound with an initial lead of 10 metres and lift of 2 metres in places shown by the departmental officersclearing, leveling the site etc., complete complying with standard specification.
2	Supplying and filling in foundation, basement, etc with filling stone dust in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.
3	Supplying and filling in foundation, basement,with Conveyed earth with a lead of 0-5Km in Layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.
4	Cement Concrete 1:5:10 (One Cement, Five crushed Stone Sand (M-Sand) ) and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundationincluding dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and curing etc. complete complying with standard specification
5	Cement Concrete 1:5:10 (One cement, Five Crushed Stone sand and Ten hard broken stone) using 40 mm gauge hard broken jelly for flooring including laying,consolidating, finishing, rendering the top surface rough to receive the floor, curing, etc. complete complying with standard specification. (The rate is inclusive of necessary planking for panellingwherever necessary and as directed by the departmental officers
6	Brick work inCement Mortar1:5 ( one Cement and five Crushed Stone(M-Sand))using best quality of country bricks of size 8-3/4" x 4-1/4" x 2-3/4" for foundation and basement including curing, etc., complete complying with standard specification.In Foundation & basement
7	Brick work inCement Mortar1:6 ( one Cement and six Crushed Stone(M-Sand))using best quality of country bricks of size 8-3/4" x 4-1/4" x 2-3/4" for foundation and basement including curing, etc., complete complying with standard specification.
8	In Foundation and Basement
9	In Ground Floor
10	In First Floor
11	In Second Floor
12	In Third Floor
13	Brick partition walls of 10.80cm thickness using best quality country bricks of size 8-3/4" x 4-1/4" x 2-3/4" in Cement Mortar 1:3 (One Cement and Three Sand) using hoop iron reinforcement if found necessary including curing etc. complete and as directed by the departmental officers. (Hoop iron reinforcement will be measured and paid for separately).
14	In Ground Floor
15	In First Floor
16	In Second Floor
17	Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid over silver oakjoists of size 10cm x 6.5cm spaced at about 75cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid)
18	Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at about 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specificaiton. (Payment for centering shall be given after the concrete is laid)
19	For plane surfaces such as RCC floor slab, roof slab, beams, lintels, bed blocks, landing slab, waist slab, portico slabs and beams, etc.
20	For plane surfaces such asrectangular or square RCC columns, sunshades, top and bottom slab of RCC boxing, etc.
21	Providing and laying in position, standardised concrete Mix M-20 Grade in accordance with IS:456-2000, using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m.) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu"m") 7670 kg. of crushed stone sand (M-sand), but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor/ roof slabs wherever necessary without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).
22	In Foundation and Basement
23	In Ground Floor
24	In First Floor
25	In Second Floor
26	In Third Floor
27	Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification.(Contractor has to make his own arrangements for the supply of steel and binding wire)
28	Weathering course in brick jelly lime concrete using broken brick jelly of size 20mm uniform gauge in pure slaked lime (no Sand to be used) to the proportion of brick jelly to lime being 32:12.5 by volume and laid over the RCC roof slab in a single layer of required slope and finished by beating the concrete with wooden beaters of approved pattern, keeping the surface constantly wet by sprinkling lime jaggery water, etc., complete as per standard specification and as directed by the deparmental officers.
29	Finishing the top of roof with one course of approved first quality machine pressed tiles of size 230 mm x 230 mm x 20 mm thick of approved quality laid in cement mortar 1:3 (one cement and three Crushed Stone Sand (M-Sand)) 12mm thick mixed with water proofing compound confirming to Indian standard specification as approved by the departmental officers at 2% by weight of cement used and the joints pointed neatly to full depth of tiles with the same mortar mixed with the water proofingcompound and red oxide etc. complete complying with standard specification.
30	Paving the floor with kota stone slab of size 600 x 600 of 18 / 20mm (un-polished) in all floors laid in of cement mortor 1:3 (one cement three sand), 20mm thick and pointed with colour cement neatly including polishing with polishing stone and oxalic acid etc., so as to perfectly smooth and glossy and including hire charges for polishing machine and power consumption charges etc. The kota stone slabs and other materials to be used shall be got approved by the Executive Engineer concerned before use on work, etc., complete as per standard speicification.
31	Paving the floor with Cement based Hydraulically pressed Anti skid tiles (pattern design) of 20mm thick of approved quality and colour laid in Cement Mortar 1:3 (One Cement and Three sand) 20mm thick and pointed with white cement mixed with colouring pigment at the rate of 0.40 Kg. / sq.m., curing, etc., complete complying with standard specification and as directed by the departmental officers.(The make and brand of the tiles should be got approved by Executive Engineer before use on works)
32	Paving the floor with pre-polished concrete anti-skid step tiles (Required shape and design) of 20mm thick of approved quality and colour laid in Cement Mortar 1:3 (One Cement and Three sand) 20mm thick and pointed with white cement mixed with colouring pigment at the rate of 0.40 Kg. / sq.m., curing, etc., complete complying with standard specification and as directed by the departmental officers.(The make and brand of the tiles should be got approved by Executive Engineer before use on works)
33	Supplying and fixing in position steel balustrades using 20mm square rods spaced at 150mm centre to centre so that the two balustrades in each step shall be placed centrally and the top of balustrades connected with the hand rails (cost of hand rail shall be measured and paid separately) by means of MS flats of size 40mm x 6mm in the groove 40mm x 6mm provided at the bottom of hand rail; the bottom of balustrades shall be fixed on to the top of step concrete.An additional MS flat of size 50mm x 6mm shall be provided at the centre of balustrades connecting all square rods to the entire length including cost of square rods, flat and applying one coat of red oxide primer to the iron surfaces, etc., complete complying with standard specification and as directed by the departmental officers.
34	Supplying and fixing 40mm dia GI pipe for staircase hand rail including labour charges for cutting, welding and fixing with MS flats (excluding cost of flat), etc., as directed by the departmental officers
35	Supplying and fixing GI pipe handrails for Differently Abled persons using 50mm dia GI pipe double handrail at a height of 800mm and 900mm from floor level with 25mm thick MS square rods as balusters embedded in the concrete and welded with pipe at 60cm centre to centre as shown in CA Job No. 9123 / 1 including cutting, welding, bending and fixing charges and applying one coat of red oxide primer for MS members as directed by the departmental officers
36	Supplying and fixing in position best approvedBISquality of PVC rain water down fall pipes having a working pressure of 4 Kg./sq.cm of following dia. including cost of necessryPVC shoe, PVC bend, cast iron gratings of required diameter andspecial clamps, brass screws, nails, etc. and fixing of cast iron gratings at junction of parapet and the RCC roof slab including finishing neatly etc. complete. The rate shall be inclusive of cost of removable castiron grating. The PVC pipe shall be fixed in wall with special type of clamps.Special type of "U" clamp at the centre of the pipe line shall be fixed in addition to those for more than 3.0metrepipe lengthetc., complete complying with standard specification. 110mm dia PVC Pipe
37	Supplying and fixing fine polished cuddapah slab of following thickness for cup-board arrangements including laying to correct alignment with necessary cement mortar and black powder etc, complete complying with standard specification and as directed by the departmental officers.20 /30mm thick
38	Plastering with Cement Mortar 1:5 (One cement and Five P- sand), 12mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.
39	Special ceiling plastering and finishing the exposed surface of all RCC items of work such as slabs, beams, sunshades, facia, canopy slab, staircase waist slab, landing slab etc., with Cement Mortar 1:3 (One Cement and Three P-Sand) 10mm thick including hacking the surfaces, providing cement mortar nosing, beading for sunshades, staircases, steps, landing slabs and curing, etc., in all floors complying with standard specification and as directed by the departmental officers
40	Painting two coats of newly plastered wall surface with ready mixed plastic Interior emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification.
41	Painting two coats of newly plastered wall surface with ready mixed plastic Exterior emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification.
42	Painting new iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint over thered oxide priming coat in all floors including cost of priming coat etc., complete complying with standard specification. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)
43	Providing Black Board in two layers with first layer in C.M. 1:5(One cement and five sand) 20mm thick and second layer in combination mortor 1:1:6 (One cement one lime and six sand) 20mm thick and 50mm width including cost of one coat blockoxide paint of approved quality etc., complete complying with standarded specification and as directed by departmental officers.
44	Manufacturing supplying and fixing of steel door with the following specification MS angels of size 40x40x6mm are used for the outer frames and M.S. angles of size 35x35x5mm for the shutter frames stiffeners with 32 x 6mm M.S flat is provided at required intervals in the shutter frame. 18-gauge C.R. sheet laid as panel in the shutter and welded intact. M.S. flat 18x5mm is welded over the 32 x 6mm M.S. flat sandwitching the C.R. sheet in between additional stiffeners with 18x5mm M.S. flat is provided diagonally at the rear side of the shutter, 3nos. of hinges in case of single leaf and 6nos. of hinges in double leaves shutter to be provided 6nos. of holdfasts 120 mm in length made of angle section spliced at the ends are welded to the outer frames of the door. Tower bolts 2nos. one at the top and the other at the bottom are provided 1no. Aldrop is provided incase of double leaf door at lock railsection in the door in single leaf door, one more aldrop is provided in the inner lock rail section of the door One rotaing locking arrangements for the inner side of the door and additional provision for locking arrangements for lock is provided on the rear side of the door at an appropriate place.Incase of double leaf door M.S.Flat 32 x 3mm at 1.1Kg/m is provided on the one shutter t conceal the gap between the two shutters.at an appropriate place in the door. A tie bar is provided at the bottom of the frame to prevent twisting of frame during transportation and fixing. All members are given a coat of red oxide primer as directed by the departmental officers. The rate includes cost of all materials, labour charges, transportation to site of work, loading, un loading and all other incidental charges etc., complete. Single leaves
45	Manufacturing supplying and fixing of steel door with the following specification MS angels of size 40x40x6mm are used for the outer frames and M.S. angles of size 35x35x6mm for the shutter frames stiffeners with 32 x 6mm M.S flat is provided at required intervals in the shutter frame. 18-gauge C.R. sheet laid as panel in the shutter and welded intact. M.S. flat 18x5mm is welded over the 32 x 6mm M.S. flat sandwitching the C.R. sheet in between additional stiffeners with 18x5mm M.S. flat is provided diagonally at the rear side of the shutter, 3nos. of hinges in case of single leaf and 6nos. of hinges in double leaves shutter to be provided 6nos. of holdfasts 120 mm in length made of angle section spliced at the ends are welded to the outer frames of the door. Tower bolts 2nos. one at the top and the other at the bottom are provided 1no.Aldrop is provided incase of double leaf door at lock rail section in the door in single leaf door, one more aldrop is provided in the inner lock rail section of the door One rotaing locking arrangements for the inner side of the door and additional provision for locking arrangements for lock is provided on the rear side of the door at an appropriate place.Incase of double leaf door M.S.Flat 32 x 3mm at 1.1Kg/m is provided on the one shutter t conceal the gap between the two shutters.at an appropriate place in the door. A tie bar is provided at the bottom of the frame to prevent twisting of frame during transportation and fixing. All members are given a coat of red oxide primer as directed by the departmental officers. The rate includes cost of all materials, labour charges, transportation to site of work, loading, un loading and all other incidental charges etc., complete.Double leaves
46	Fabricating, supplying and fixing of steel Emergency exitdoor cum, emergency window with the following specification. M.S. angle in size 40x40x6mm are used for the outer frames and M.S. angle of sie 35x35x5mm for the shutter frame, stiffners with 32x6mm M.S. flats provided at required intervals in the shutter frames 18 guage CR sheet is laid as panel and welded instant for 1/3 bottom portion of the shutter, M.S. flat 18x5mm is welded over the 32x6mm M.S flat sandwitching the CR sheet in between additional stiffner with 18x5mm M.S. flat is provided diagonally at the rear-side of the shutter. The balance 2/3 portion at top is provided with grill at an average weight of 15kg/m2 and the top portion of operation emergency window is to be made of 25x25x3mm M.S. angle welded intact with CR sheet and 25x3mm M.S. flat at diagonally at the near side of the window at required interwals 6 Nos. of hinges to be provided,6 Nos of holdfast 100mm in length made of angle section spliced at the ends are welded to the outer frame of the door. Tower bolts 2 Nos. one at top and the other at the bottom are to be provided one aldrop is provided at an appropriate place in the door 2 Nos. of "D" typehandle for emergency window and 2 Nos of handle for door is to be provided at appropriate places. A tie bar is provided at the bottom of the outer frame to prevent twisting offrame during transportation of fixing. All members are given one coat of red oxide primer as directed by the departmental officers. The rate includes cost of materials, labour transportation to side of works, loading, unloading and all other incidental charges etc., complete.
47	Fabricating, Supplying and fixng in position of steel sheeted windows ( Three Leaves)with the following specifications. Outer frames of windows made of "Z" section F7D of size 33 x 25 x 3mm at 1.419 kg/ m and mullion "J" section (F4B) of size 46x25x3mm at 2.28kg/m and shutter section of made ofF7D of 33x25x3mm at 1.419 kg/m as specified in IS 7452/1990. Each openable shutter should not exceed a width of 600mm to enable separate operations and easy maintenance. The panel of the shutters to be covered with 18 gauge cold rolled sheet of superior quality and welded intact with shutter frames. Horizontal stiffeners using 18x5mm MS Flat at 0.70kg/m at 3 Nos. for each shutter and additional diagonal stiffners of the same MS flats at all the four corners of each shutters to the suitable length welded to the shutters, for holding the CR Sheets in position firmly.2 numbers of sturdy hinges and one number of handle-cum-latch of special type made with 18x5mm MS flats are revetted to the shutters at an appropriate height in window. suitable opening is left for its easy operation. a stopper square rod for handle is provided in the mullion section at suitable place to catch the window handle. each window shutter having an adustable stay made out of 18 x 5mm at 0.70 kg/ m MS flat of lenght 320mm with three adjustable position. A matching peg is provided in the outer frame of the window at suitable place. 4 Nos. of hold fasts of 120mm length spliced at the ends are welded to the outer frame of the window by using MS flat of 18x5mm at 0.70kg/m, welded to the shutter at two place equivalent from each from top and bottom of the shutter. An MS square bar of 12mm size is welded to the inner face of the window at an equal interval not exceeding 100mm edge between them. All members are painted with one coat of anti-corrosive red oxide primer as directed by the departmental officers.All sections should be in confirmed with IS 7452/1990.The cost includes cost of all materials, labour charges and other incidental charges, etc., complete Three Leaves
48	Supplying and fixing mild steel iron grill for windows ventilators and grill gate etc., including one coat of red oxide primer using M.S angle of size 40 x 40 x 6 mm and grill using 20 x 6mm M.S flat and necessary hold fast with M.S angle of size 40 x 40 x 6 mm - 230 mm long spliced at end is to be provided at appropriate places for fixing the grill etc., complete complying with standard specification. The type design for the grills should be got approved by the departmental officers before execution.
49	Pre-Construction anti-termite treatment plinth area – surface treatment. stage-1 :- Completion of earth work for column footings before laying plain cement concrete 25mm dia Hole spaced at 30cm center to center on both direction will be made at the bottom of earth workand the chemical will be poured in the holes and will be sprayed in the four sides of earth work at the rate of 3 litres of chemical solution (Chlorophyrifos emulsion diluted in ration 1:19 (One emulsion and 19 water per square metre) stage-II :- After filling the basement before laying flooring concrete with filling sand 25mm dia holes to adepth of 450mm will be made inside the basement and the chemical will be poured in the holes at the rate of 3 litres of chemical solution (Chlorophyrifos emulsion diluted in ration 1:19 (One emulsion and 19 water ) per square metre payment shall be made after completion of 3 stages. Peripheral treatment stage-III.On completion of building and leveling the outer area adjacent to the walls column ground ponds of size (900X300 mm will be filled in the ponds at the rate of 3 litre of chemical solution per Rm payment shall be made after completion of 3 stages. Stage-IV.Sprayingtermite solution around the building (Out side of the building) by making crowbar holes around the building before laying the plinth protection. This holes has to be closedafter the treatment.(The payment shall be made after completion of 4 stages.
50	Manufacturing, supplying and fixing in position plain cement concrete precast pavement slab of size 450mm x 450mm of 50mm thick in Cement Concrete 1:2:4 (One cement, Two sand and Four jelly) using 20mm HBG stone jelly including cost of moulding charges, casting of slab, finishing, curing, fixing and pointing the slab with CM 1:3 (One Cement and Three Sand) to full depth of slab etc., complete complying with standard specification and as directed by departmental officers.
51	GST 18 %