Tender For Special Repairs To Certain Building At Kattabomman Under Ge Tirunelveli (Tender Id:2023_Mes_629434 _1), Tirunelveli-Tamil Nadu

Tender For Special Repairs To Certain Building At Kattabomman Under Ge Tirunelveli ( Tender Id:2023_Mes_629434 _1 ) ; 1 Dismantling Corrugated Or Semi Corrugated Asbestos Cement Sheets In Roof Covering, All As Specified And Directed. 2 Supply And Fixing Pre- Painted Galvalume Aluminum Zinc Coating Gi Based Corrugated Steel Sheet 0.50Mm Thick Of Any Colour Having Tensile Strength Of 550 Mpa As In Roof Covering / Cladding To Wall, Fixed With Self Tapping Screws Complete All As Specified And Directed. 3 Supply And Fixing Prepainted Galvalume Aluminium Zinc Coating Gi Based Plain Steel Sheet 0.50 Mm Thick Of Any Colour Having Tensile Strength Of 550 Mpa As In Roof, Fixed With Self Tapping Screws Complete All As Specified And Directed. 4 Material And Labour For 610Mm Dia Aluminium 0.50Mm Thick Turbo Ventilators With 47 Vanes Including Frp / Aluminium Base Plate Fixing With Galvalume Roof Sheet Including Necessary Fixing Arrangements Complete All As Specified And Directed. 5 Material And Labour For 25Mm Thick Plain Cement Concrete Type B-1, 1:2:4 ( Using 20Mm Graded Aggregate ) As In Floorcomplete All As Specified And Directed. 6 Material And Labour For Providing Colour Non Skid Joint Free Ceramictiles 7 To 8Mm Thick Square / Rectangular, Area Of Each Tile Exceeding 0.18 Sqm But To Exc 0.38 Sqm In Floor Of Approved Quality And Patternset , And Jointed In Neat Cement Slurryand Pointed In Coloured Cement To Match In Floors Over 15Mm Thick Screed Bed In Cm 1:6 Complete All As Specified And Directed. 7 Material And Labour For Non Skid Ceramic Colouredtiles7 To 8Mm Thick ( Square / Rectangular ) Area Of Each Tile Exceeding 0.06 Sqm But Not Exceeding 0.11 Sqm In Floors Etc., Setand Jointed In Neat Cement Slurry And Pointed In White Or Coloured Cement To Match The Shade Of Tiles Including Screed Bed Or Bedding Layer Of Mortar 15 Mm Thick In Cm 1:6 Complete All As Specified And Directed. 8 Dismantling Floor, Hearth Or Wall Tiling Including Cement Mortar Bedding ( But Not Backing ) , Removing Serviceable Tiles To Store And Rubbish Off The Premises Complete All As Specified And Directed. 9 Material And Labour For Colour Non Skid Joint Free Ceramictiles 7 To 8Mm Thick Square / Rectangular Polished , On Vertical Surfaces Such As Skirting Dado Riser To Steps , Setand Jointed In Neat Cement Slurryand Pointed In Coloured Cement To Match In Floors Over 10Mm Thick Backing Coat In Cm 1:4. Complete All As Specified And Directed. 10 Material And Labour For 50Mm Thick Plain Cement Concrete Type B-1, 1:2:4 ( Using 20Mm Graded Aggregate ) As In Floorcomplete All As Specified And Directed. 11 Supply And Fixglass Dividing Strips 38 X 3Mm Thick Complete All As Specified And Directed. 12 Demolition Of Reinforced Cement Concrete Of Roofs, Floors ( Other Than Ground Floors ) , Beams, Staircases, Landings, Chajjas And Similar Suspended Work Complete All As Specified And As Directed . 13 Material And Labour For Rcc 1:2:4 ( Nominal Mix ) Type B1 ( Using 20Mm Graded Stone Aggregate ) In Slabs Supported On Walls, Beams And Columns In Floors, Roofs, Landings, Balconies Deck Slab And Shelves And The Like Complete All As Specified And Directed. 14 Material And Labour For Formwork To Soffits Of Suspended Slabs Such As Landings, Shelves And Similar Work : Not Exceeding 200Mm Thick ( Horizontal Or Sloping ) For Rough Finished Surfaces Of Concrete Complete All As Specified And Directed. 15 Material And Labour For Tmt Bars 10Mm Dia And Over Cut To Length Bent To Shape Required Incl Cranking, Bending Spirally For Hooping For Columns, Hooking Ends And Bindingwith And Including Mild Steel Wire ( Annealed ) Not Less Than 0.9Mm Dia Or Securing With Clips Complete All As Specified And Directed. 16 Material And Labour Pcc 1:3:6 Typec120 Mmgraded Aggregate 75 Mm Thick In Plinth Protection Finished Even And Fair Without Using Extra Cement Complete All As Specified And Directed. 17 Material And Labour Pcc 1:3:6 Typec120 Mmgraded Aggregate In Surface Channel And Drain Complete All As Specified And Directed. 18 Extra For Forming Fair Finished Drain Or Channel 30Cm Inner Girth In Cement Concrete Using Extra Cement Incl Forms Moulds , Mitred Stopped Ends Etc Complete All As Specified And Directed. 19 Taking Down Cement Plaster On Brick Or Stone Wallincluding Raking Out Joints, Hacking For Key, Scrubbing Down With Water Etc Complete All As Specified And Directed. 20 Material And Labour For Rendering 10Mm Thick On Brick Or Concrete Surfaces In Cm 1:6 On Fair Faces Of Brick Work Or Concrete Surfaces Of Wall Finished Even And Smooth ( Without Using Extra Cement ) Complete All As Specified And As Directed. 21 Material And Labour Rendering 15Mm Thick In Cm 1:4 On O Fair Faces Of Brickwork Or Concrete Surfaces Finished Even And Smooth Without Using Extra Cement Complete All As Specified And Directed. 22 Demolition Of Brick Work Or Stone / Boulder Masonry, Built In Cement Mortar Or Cement Lime Mortar Including All Quoins Arches, Pillars Etcall As Specified And As Directed. 23 Material And Labour For Brick Work With Fly Ash Bricks Straight Or Curved On Plan Exec 6 Mtr Mean Radius With Cement Mortar 1: 6. Complete All As Specified And Directed. 24 Material And Labour Preparation Of Newly Plastered Surfaces Of Walls And Applying Two Coats Of Oil Bound Distemper Over A Coat Of Alkali Resistant Primer Over 2Mm Thick Wall Care Putty On Wall Complete All As Specified And Directed. 25 Material And Labour Preparation Of Newly Plastered Surfaces Of Walls And Applying Two Or More Coats Of 100% Premium Acrylic Emulsion Paint Having Voc Less Than 50 Gm / Litre And Uv Resistance As Per Is 15489:2004, Alkali & Fungal Resistance, Dirt Resistance Exterior Paint Of Required Shade ( Company Depot Tinted ) With Silicon Additives @ 1.43 Litre / 10 Sqm Over And Including Priming Coat Of Exterior Primer Applied @ 0.90 Litre / 10 Sqm Over New Surfaces Complete All As Specified And Directed. 26 Material And Labourfor Complete Removal Of Existing Treatment Andapplying Two Or More Coats Of 100% Premium Acrylic Emulsion Paint Having Voc Less Than 50 Gm / Litre And Uv Resistance As Per Is 15489:2004, Alkali & Fungal Resistance, Dirt Resistance Exterior Paint Of Required Shade ( Company Depot Tinted ) With Silicon Additives @ 1.43 Litre / 10 Sqm Over And Including Priming Coat Of Exterior Primer Applied @ 0.90 Litre / 10 Sqm Over New Surfaces Complete All As Specified And Directed. 27 Material And Labourfor Complete Removal Of Existing Treatment And Applying Two Coats Of Oil Bound Distemper Over A Coat Of Alkali Resistant Primer Over 2Mm Thick Wall Care Putty On Wall Complete All As Specified And Directed. 28 Material And Labour For Preparation Of Old Plasteredsurfaces & Applying Two Coat Of White Wash On Ceilings Complete All As Specified And As Directed.. 29 Material And Labour For Preparation Of Old Steel Surfaces Exc 10Cm Width Or Girth And Applying Two Coats Of Synthetic Enamel Paintcomplete All As Specified And As Directed. 30 Taking Down Shutters Exceeding 1.0 Sqm And Not Exceeding 2 Sqm And Removing From Site Complete All As Specified And Directed.. 31 Material And Labour Flush Door Shutters, 35Mm Thick, Solid Core Construction, Withboth Faces Is Covered With Decorative Face Veneer With Lipping / Frame To Match And Glazed Vision Panels Of Size 20 Cm X 20 Cm, Including Lipping Complete All As Specified And As Directed. ( Note- Glass Shall Be Measured And Paid Separately ) 32 Material And Labour For French Polishing On Surfaces Of Any Description Width Or Girth Including Cleaning And Preparing The Surface Including A Coat Of Wood Filler On New Works With Two Or More Coats Complete All As Specified And Directed. 33 Material And Labour For Hacking Out Old Broken Glass ( Any Thickness, Size, Quality Or Description ) From Wooden Frames Or Stone, Concrete Or Brick Surrounds, Glazed With Putty Or Fixed With Beads Complete All As Specified And Directed. 34 Supply And Fix 4.0Mm Thick Plain Sheet Glass Of Ordinary Quality And Glazing With Oil Putty N Exc 0.5 Sqm Fixed To Steel Framing Complete All As Specified And As Directed. 35 Supply And Fixing Butt Hinges Heavy Weight Cold Rolled Mild Steel And Fixed In 125Mm Long Complete All As Specified And Directed. 36 Supply And Fixing In Repair Butt Hinges Heavy Weight Cold Rolled Mild Steel And Fixed In 125Mm Long Complete All As Specified And Directed. 37 Supplying And Fixing Aluminium Anodised Barrel Tower Bolts Of Extruded Section 150 Mm And Fixed Complete All As Specified And Directed. 38 Supplying And Fixing Extruded Aluminiumhandles Fabricatedtype Anodised 150Mm Long Complete All As Specified And Directed. 39 Material And Labour For Aluminium Alloy Anodised Sliding Door Bolt With Hasp, Staple ( Bolt Type ) And Fixing Clips Of Sheet, Cast Or Extruded Sections And Fixing Bolts And Sliding Bolts Of Extruded Sections ( 250 Mm Length ) Complete All As Specified And Directed. 40 Supply And Fixing In Repairs Door Closer Aluminium Extruded Section Body Hydraulically Regulated, Designation No. 3, Universal Type, Suitable For Door Shutters Of 851 To 1000 Mm In Width And Of Weight Between 61 To 80 Kg And Fixed Complete All As Specified And Directed. 41 Dismantling Wrought Iron Or Mild Steel Work Of Any Description Complete All As Specified And Directed. 42 Material And Labour For Welded Steel Wire Fabric Not Exc 4 Kgs / Sqm Supplied And Fixed Complete To Wood Or Steel Members Complete All As Specified And Directed. 43 Material And Labour For Framed Work Such As Grills, Gratings, Etc.. With Ends Of Bars Shouldered And / Or Riveted, Or Forged Into Spikes; Framed Guard Bars; Barred Iron Doors; Ladders; Framed Balusters; Walk Ways; Railings; Framework Of Water Tanks And Similar Work Conforming To Fe.290.Gde-E-165 Complete All As Specified And Directed. 44 Dismantling Structural Steel Work Including Doors, Gates But Excluding Framed Truss Etc Complete All As Specified And Directed. 45 Supply And Fixing Steel Rolling Shutters 1.25Mm Thick , With Out Ball Bearing, As Specified Including Top Cover, Anchoring Rod, Hasp And Staple And One Shop Coat Of Primer; Erected In Position As Indicated, Completegear Operated Type With Bevel Gear Box And Crank Handle Complete All As Specified And As Directed. 46 Supply Onlyball Bearing Wheelfor The Rolling Shutter Complete All As Directed By Engineer-In-Charge. 47 Supply Onlysafety Lever Locks Mild Steel With 4 Levers For The Rolling Shutter Complete All As Directed By Engineer-In-Charge. 48 Material And Labour For Preparation Of New Steel Surfaces Exc 10Cm Width Or Girth And Applying Two Coats Of Synthetic Enamel Paint Over A Coat Of Red Oxide Primer Complete All As Specified And As Directed. 49 Dismantling Wall And Ceiling Boards, Fibre Or Pulp, Insulation Etc. In Insulation Boards Slabs, Blankets Any Thickness Incl Cover Filletscomplete All As Specified And As Directed. 50 Material And Labour Gl Frame Work For Seamless Ceiling Comprising Of Gl Perimeter Channel 0.55 Mm Thick With Two Unequal Flanges Of 20 And 30 Mm And Web Of 27 Mm Fixed To Surrounding Wall Using Nylon Sleeves And Screws At 450 Mm Centre To Centre / Intermediate Channel 0.9 Mm Thick Having Two Equal Flanges Of 15 Mm Each And Web Of 45 Mm Suspended From Soffit At Approx 900 Mm Centre To Centre With Gl Cleat And Steel Expansion Fasteners With And Including Ceiling Section ( Not Exc 1.2 M Length ) Of 0.55 Mm Thickness Having Knurled Web Of 50 Mm And Flange Of 26 Mm Each With Lips Of 10.5 Mm Fixed To The Intermediate Channel With Connecting Clips Across The Intermediate Channel At 457 Mm Centre To Centre. Hangers 6 Mm Dia. G.I. ( Upto 1200Mm Length ) Adjusting Level Fixed To Roof Slabs By Means Of Ceiling Cleats Made Out Of G.I. Flat 40 X 3 Mm Size 60Mm Long And Expansion Hold Fasteners 12.5Mm Dia. 40Mm Long Complete All As Specified 51 Material And Labour For 8Mm Thick Seamless Calcium Silicate Ceiling Made Out Of 1800 X 1200 Mm Size Board Of Siliceous And Calcareous Material Reinforced With Cellulose Fibre Fixed To The Ceiling Section With 25 Mm Long Self Drilling And Tapping Screws Having Phillips Head With Under Head Cutter At 200 Mm Centre To Centre, Including Finishing The Joint Of Face Board With Specially Formulated Jointing Compound And 48 Mm Wide Fibre Tape To Provide Seam Less Finish ( Frame Work For Ceiling Shall Be Measured And Paid Separately ) Finished With 2Mm Thick Putty Over Calcium Silicate Board And Two Coats Oil Bound Distemper Over A Coat Of Primer Complete All As Specified And Directed. 52 Schedule Of Credit Amount Brought Back From Ser Page No. 29- Rs. 54, 404.00 Will Be Deducted From The Above Quoted Amount To Derive The Contract Sum.Signature Of Contractor

Sr No	CorrigendumDate	Corrignedum	CorrigendumType	NewSubmissionDate
1	05-Dec-2023	Corrigendum No.1	BOQ	14-12-2023

INR 500 /-

INR 64000.0 /-

INR 32 Lakhs /-

Name of Work: SPECIAL REPAIRS TO CERTAIN BUILDING AT KATTABOMMAN UNDER GE TIRUNELVELI (TENDER ID:2023_MES_629434 _1)

Sl. No.	Item Description
1	Dismantling corrugated or semi corrugated Asbestos Cement sheets in roof covering, all as specified and directed.
2	Supply and fixing Pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed.
3	Supply and fixing prepainted galvalume aluminium zinc coating GI based plain steel sheet 0.50 mm thick of any colour having tensile strength of 550 Mpa as in roof, fixed with self tapping screws complete all as specified and directed.
4	Material and labour for 610mm dia Aluminium 0.50mm thick Turbo ventilators with 47 vanes including FRP/Aluminium base plate fixing with Galvalume roof sheet including necessary fixing arrangements complete all as specified and directed.
5	Material and labour for 25mm thick plain cement concrete type B-1, 1:2:4 (using 20mm graded aggregate) as in floorcomplete all as specified and directed.
6	Material and labour for providing Colour non skid joint free ceramictiles 7 to 8mm thick Square/rectangular, area of each tile exceeding 0.18 Sqm but to exc 0.38 Sqm in floor of approved quality and patternset , and jointed in neat cement slurryand pointed in coloured cement to match in floors over 15mm thick screed bed in CM 1:6 complete all as specified and directed.
7	Material and labour for Non skid ceramic colouredtiles7 to 8mm thick (square/rectangular) area of each tile exceeding 0.06 sqm but not exceeding 0.11 sqm in floors etc.,setand jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles including screed bed or bedding layer of mortar 15 mm thick in CM 1:6 complete all as specified and directed.
8	Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises complete all as specified and directed.
9	Material and labour for Colour non skid joint free ceramictiles 7 to 8mm thick Square/rectangular polished ,on vertical surfaces such as skirting dado riser to steps ,setand jointed in neat cement slurryand pointed in coloured cement to match in floors over 10mm thick backing coat in CM 1:4. complete all as specified and directed.
10	Material and labour for 50mm thick plain cement concrete type B-1, 1:2:4 (using 20mm graded aggregate) as in floorcomplete all as specified and directed.
11	Supply and fixglass dividing strips 38 x 3mm thick complete all as specified and directed.
12	Demolition of reinforced cement concrete of roofs, floors (other than ground floors), beams, staircases, landings, chajjas and similar suspended work complete all as specified and as directed .
13	Material and labour for RCC 1:2:4 (Nominal Mix) type B1 (using 20mm graded stone aggregate) in slabs supported on walls, beams and columns in floors, roofs, landings, balconies deck slab and shelves and the like complete all as specified and directed.
14	Material and labour for formwork to soffits of suspended slabs such as landings, shelves and similar work : not exceeding 200mm thick (horizontal or sloping) for rough finished surfaces of concrete complete all as specified and directed.
15	Material and labour for TMT bars 10mm dia and over cut to length bent to shape required incl cranking, bending spirally for hooping for columns, hooking ends and bindingwith and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and directed.
16	Material and labour PCC 1:3:6 typeC120 mmgraded aggregate 75 mm thick in plinth protection finished even and fair without using extra cement complete all as specified and directed.
17	Material and labour PCC 1:3:6 typeC120 mmgraded aggregate in surface channel and drain complete all as specified and directed.
18	Extra for forming fair finished drain or channel 30cm inner girth in cement concrete using extra cement incl forms moulds , mitred stopped ends etc complete all as specified and directed.
19	Taking down cement plaster on brick or stone wallincluding raking out joints, hacking for key, scrubbing down with water etc complete all as specified and directed.
20	Material and labour for rendering 10mm thick on brick or concrete surfaces in CM 1:6 on fair faces of brick work or concrete surfaces of wall finished even and smooth (without using extra cement)complete all as specified and as directed.
21	Material and labour Rendering 15mm thick in CM 1:4 on o fair faces of brickwork or concrete surfaces finished even and smooth without using extra cement complete all as specified and directed.
22	Demolition of brick work or stone/boulder masonry, built in cement mortar or cement lime mortar including all quoins arches, pillars etcall as specified and as directed.
23	Material and labour for brick work with fly ash bricks straight or curved on plan exec 6 mtr mean radius with cement mortar 1: 6. complete all as specified and directed.
24	Material and labour Preparation of newly plastered surfaces of walls and applying two coats of oil bound distemper over a coat of alkali resistant primer over 2mm thick wall care putty on wall complete all as specified and directed.
25	Material and labour Preparation of newly plastered surfaces of walls and applying two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over new surfaces complete all as specified and directed.
26	Material and labourfor complete removal of existing treatment andapplying two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over new surfaces complete all as specified and directed.
27	Material and labourfor complete removal of existing treatment and applying two coats of oil bound distemper over a coat of alkali resistant primer over 2mm thick wall care putty on wall complete all as specified and directed.
28	Material and labour for preparation of old plasteredsurfaces & applying two coat of white wash on ceilings complete all as specified and as directed..
29	Material and labour for preparation of old steel surfaces exc 10cm width or girth and applying two coats of synthetic enamel paintcomplete all as specified and as directed.
30	Taking down shutters exceeding 1.0 Sqm and not exceeding 2 Sqm and removing from site complete all as specified and directed..
31	Material and labour Flush door shutters, 35mm thick, solid core construction, withboth faces is covered with decorative face veneer with lipping/frame to match and glazed vision panels of size 20 cm x 20 cm, including lipping complete all as specified and as directed.(Note- Glass shall be measured and paid separately)
32	Material and labour for French polishing on surfaces of any description width or girth including cleaning and preparing the surface including a coat of wood filler on new works with two or more coats complete all as specified and directed.
33	Material and labour for hacking out old broken glass (any thickness, size, quality or description) from wooden frames or stone, concrete or brick surrounds, glazed with putty or fixed with beads complete all as specified and directed.
34	Supply and fix 4.0mm thick plain sheet glass of ordinary quality and glazing with oil putty n exc 0.5 Sqm fixed to steel framing complete all as specified and as directed.
35	Supply and fixing butt hinges heavy weight cold rolled mild steel and fixed in 125mm long complete all as specified and directed.
36	Supply and fixing in repair butt hinges heavy weight cold rolled mild steel and fixed in 125mm long complete all as specified and directed.
37	Supplying and fixing aluminium anodised barrel tower bolts of extruded section 150 mm and fixed complete all as specified and directed.
38	Supplying and fixing Extruded aluminiumhandles fabricatedtype anodised 150mm long complete all as specified and directed.
39	Material and labour for aluminium alloy anodised sliding door bolt with hasp, staple (bolt type) and fixing clips of sheet, cast or extruded sections and fixing bolts and sliding bolts of extruded sections (250 mm length) complete all as specified and directed.
40	Supply and fixing in repairs Door closer Aluminium Extruded section body hydraulically regulated, designation No. 3,universal type, suitable for door shutters of 851 to 1000 mm in width and of weight between 61 to 80 kg and fixed complete all as specified and directed.
41	Dismantling wrought iron or mild steel work of any description complete all as specified and directed.
42	Material and labour for Welded steel wire fabric not exc 4 Kgs / Sqm supplied and fixed complete to wood or steel members complete all as specified and directed.
43	Material and labour for Framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe.290.Gde-E-165 complete all as specified and directed.
44	Dismantling structural steel work including doors, gates but excluding framed truss etc complete all as specified and directed.
45	Supply and fixing Steel rolling shutters 1.25mm thick , with out ball bearing, as specified including top cover, anchoring rod, hasp and staple and one shop coat of primer; erected in position as indicated, completegear operated type with bevel gear box and crank handle complete all as specified and as directed.
46	Supply onlyball bearing wheelfor the rolling shutter complete all as directed by Engineer-in-Charge.
47	Supply onlySafety lever locks mild steel with 4 levers for the rolling shutter complete all as directed by Engineer-in-Charge.
48	Material and labour for preparation of new steel surfaces exc 10cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed.
49	Dismantling wall and ceiling boards, fibre or pulp, insulation etc. in insulation boards slabs, blankets any thickness incl cover filletscomplete all as specified and as directed.
50	Material and labour Gl frame work for seamless ceiling comprising of Gl perimeter channel 0.55 mm thick with two unequal flanges of 20 and 30 mm and web of 27 mm fixed to surrounding wall using nylon sleeves and screws at 450 mm centre to centre/intermediate channel 0.9 mm thick having two equal flanges of 15 mm each and web of 45 mm suspended from soffit at approx 900 mm centre to centre with Gl cleat and steel expansion fasteners with and including ceiling section (not exc 1.2 m length) of 0.55 mm thickness having knurled web of 50 mm and flange of 26 mm each with lips of 10.5 mm fixed to the intermediate channel with connecting clips across the intermediate channel at 457 mm centre to centre. Hangers 6 mm dia. G.I. (upto 1200mm length) adjusting level fixed to roof slabs by means of ceiling cleats made out of G.I. flat 40 x 3 mm size 60mm long and expansion hold fasteners 12.5mm dia. 40mm long complete all as specified
51	Material and labour for 8mm thick Seamless calcium silicate ceiling made out of 1800 x 1200 mm size board of siliceous and calcareous material reinforced with cellulose fibre fixed to the ceiling section with 25 mm long self drilling and tapping screws having Phillips head with under head cutter at 200 mm centre to centre, including finishing the joint of face board with specially formulated jointing compound and 48 mm wide fibre tape to provide seam less finish (Frame work for ceiling shall be measured and paid separately) finished with 2mm thick putty over calcium silicate board and two coats oil bound distemper over a coat of primer complete all as specified and directed.
52	Schedule of credit amount brought back from Ser Page No. 29- Rs. 54,404.00 will be deducted from the above quoted amount to derive the contract sum. SIGNATURE OF CONTRACTOR