Replacement , New Fixation Of Roof Sheeting And Wall Cladding At Various Coal Conveyor Galleries Of Stps ., SANTALDIH THERMAL POWER STATION-West Bengal

Replacement , New Fixation Of Roof Sheeting And Wall Cladding At Various Coal Conveyor Galleries Of Stps . , Taking Out Carefully G . C . I . Or C . I . Or Asbestos Sheets Or Translucent Fiber Glass Sheet ( Including Ridges Etc . ) From Roof Or Wall At Any Height After Unscrewing Bolts , Nuts , Screws Etc . And Stacking The Material At Site As Directed . ( Payment To Be Made On Measurement Of Portion Of Roof Or Wall Removed . ) ( Rate Deemed To Be Inclusive Of Cost Of All The Necessary Temporary Arrangements , Scaffoldings Etc . ) , Fitting And Fixing Old Pieces Of Asbestos , G . C . I . Or C . I . Sheets Or Existing Sheets Or Translucent Fiber Glass Sheet At Any Height Including Closing Old Holes With Washers And Sheetbolts And Nuts , Etc . And Including Fixing The Same To Supporting Frame With Necessary Hook-Bolts , Self Driving Screws , Washers , Putty Etc . ( Excluding Cost Of Sheets ) . ( Payment To Be Made On Area Of Finished Work . ) With All New Fittings Including The Cost Thereof In Wall Or Roof ( Rate Deemed To Be Inclusive Of Cost Of All The Necessary Temporary Arrangements , Scaffoldings Etc . ) , Supplying , Fitting & Fixing Zn-Al Alloy ( 55% Al & 45% Zn ) Coating Of 150 Grams Per Sq . Metre ( Followed By Colour Coated On Both Side ) Steel Sheet Work Having Minimum Yield Strength Of 550 Mpa Of Trapezoidal Profile Of Approved Make As Per Is: 15965: 2012 And Is: 14246: 2013 ( Excluding The Supporting Frame Work ) Fitted And Fixed With 55 Mm & 25 Mm Self Tapping Screw , Epdm Washer 16Mm Dia & 3 Mm Washer Etc . In All Complete To Fix The Steel Sheet With 150 Mm End Lap And One Corrugation Minimum Side Lap . ( Payment To Be Made On Area Of Finished Work ) . ( I ) In Roof & Wall:- A ) With 0 . 5 Mm Thick Sheet ( Rate Deemed To Be Inclusive Of Cost Of All The Necessary Temporary Arrangements , Scaffoldings Etc . ) , Supplying , Fitting And Fixing Glass Reinforced Polyester Translucent Fiber Glass Sheet To Match With Gci Corrugation As Per Is: 12866 - 1989 In Roof Fitted And Fixed With 10 Mm Dia J Or L Hook , Bolts , Self Driving Screws And Nuts , Limpet And Bitumen Washers And Putty With 150Mm End Lap And One Corrugation Minimum Side Lap Complete . A ) 1 . 6Mm +/- 0 . 2 Mm Thick Sheet . ( 2 . 6Kg/Sq . M ) I ) Natural White Or Tinted Blue Colour , Galvanised Iron Sheet Ridging Fitted With Necessary Bolts , Screws , Washers Etc Complete . ( 225Mm End Lapping ) 300 Mm Lapping Each Way With 0 . 60 Mm Sheet , M . S . Structural Works In Columns , Beams Etc . With Simple Rolled Structural Members ( E . G . Joists , Angle , Channel Sections Conforming To Is: 226 , Is: 808 & Sp ( 6 ) - 1964 Connected To One Another With Bracket , Gussets , Cleats As Per Design , Direction Of Engineer-In-Charge Complete Including Cutting To Requisite Shape And Length , Fabrication With Necessary Bolting , Metal Arc Welding Conforming To Is: 816- 1956 & Is: 1995 Using Electrodes Of Approved Make And Brand Conforming To Is:814- 1957 , Haulage , Hoisting And Erection All Complete . The Rate Includes The Cost Of Rolled Steel Section , Consumables Such As Electrodes , Gas And Hire Charge Of All Tools And Plants And Labour Required For The Work Including All Incidental Charges Such As Electricity Charges , Labour Insurance Charges Etc . Payment To Be Made On The Basis Of Calculated Weight Of Structural Members Only In Finished Work As Per Is Specified Weight . Payment For Gusset , Bracket , Cleat , Rivets , Bolts And Nuts May Be Make By Adding The Actual Weight Of Such Items With The Weight Of Finished Structural Members Or 7% Of Weight For Finished Structural Members Weighing Not Less Than 22 . 5 Kg . / M . Or 15 % Of Weight For Finished Structural Members Weighing Less Than 22 . 5 Kg . / M . May Be Increased Allow For Bracket , Cleat , Rivet , Bolts And Nuts Etc . And No Separate Payment Being Made For These Items , As Per Direction Of Engineer In Charge . The Rates Are Considered For A Height Of Erection 8M . / 2Nd Floor Level From The Ground . Add 1 . 5% Extra Over The Rate For Each Additional Floor Or 4M . Beyond Initial 8M . Or Part Thereof . For Structural Works In Roof Trusses Etc . Using Joists , Channels And Angles Of Specified Section Weighing Less Than 22 . 5 Kg/ M

Sr No	CorrigendumDate	Corrignedum	CorrigendumType	NewSubmissionDate
1	03-Mar-2020	Extension of dates	Date	13-03-2020

Refer document

INR 13731.0 /-

INR 6.86 Lakhs /-

Name of Work: Replacement/new fixation of roof sheeting & wall cladding at various coal conveyor galleries of STPS
	Sl. No.	Item Description	Item Code / Make	Quantity	Units
1	1	Taking out carefully G.C.I. or C.I. or asbestos sheets or translucent fiber glass sheet(including ridges etc.) from roof or wall at any height after unscrewing bolts, nuts, screws etc.and stacking the material at site as directed.\n(Payment to be made on measurement of portion of roof or wall removed.) (Rate deemed to be inclusive of cost of all the necessary temporary arrangements, scaffoldings etc.)		100	sqm
2	2	Fitting and fixing old pieces of asbestos, G.C.I. or C.I. sheets or existing sheets or translucent fiber glass sheet at any height including closing old holes with washers and sheetbolts and nuts, etc. and including fixing the same to supporting frame with necessary hook-bolts, self driving screws, washers, putty etc. (excluding cost of Sheets). (Payment to be made on area of finished work.) With all new fittings including the cost thereof in wall or Roof (Rate deemed to be inclusive of cost of all the necessary temporary arrangements, scaffoldings etc.)		100	sqm
3	3	Supplying, fitting & fixing Zn-Al alloy (55% Al & 45% Zn) coating of 150 grams per sq. metre (followed by colour coated on both side)steel sheet work having minimum yield strength of 550 Mpa of trapezoidal profile of approved make as per IS: 15965: 2012 and IS: 14246: 2013 (excluding the supporting frame work)fitted and fixed with 55 mm & 25 mm self tapping screw, EPDM Washer 16mm dia & 3 mm washer etc. in all complete to fix the steel sheet with 150 mm end lap and one corrugation minimum side lap. (Payment to be made on area of finished work).\n(i) In Roof & Wall:-\n a) With 0.5 mm thick sheet\n(Rate deemed to be inclusive of cost of all the necessary temporary arrangements, scaffoldings etc.)		305.22	sqm
4	4	Supplying, fitting and fixing glass reinforced polyester translucent fiber glass sheet to match with GCI Corrugation as per IS: 12866 - 1989 in roof fitted and fixed with 10 mm dia "J" or "L" hook, bolts, self driving screws and nuts, limpet and bitumen washers and putty with 150mm end lap and one corrugation minimum side lap complete.a) 1.6mm +/- 0.2 mm thick sheet.(2.6Kg/Sq.m) i) Natural white or tinted blue colour		448.01	sqm
5	5	Galvanised iron sheet ridging fitted with necessary bolts,screws, washers etc complete.(225mm end lapping) 300 mm lapping each way With 0.60 mm sheet		114	mtr.
6	6	M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-in-charge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1956 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 1957, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental charges such as electricity charges, labour insurance charges etc. Payment to be made on the basis of calculated weight of structural members only in finished work as per IS specified weight. Payment for gusset, bracket, cleat, rivets, bolts and nuts may be make by adding the actual weight of such items with the weight of finished structural members or 7% of weight for finished structural members weighing not less than 22.5 Kg. / m. or 15 % of weight for finished structural members weighing less than 22.5 Kg. / m. may be increased allow for bracket, cleat, rivet, bolts and nuts etc. and no separate payment being made for these items, as per direction of Engineer In Charge. The rates are considered for a height of erection 8m. / 2nd floor level from the ground. Add 1.5% extra over the rate for each additional floor or 4m. beyond initial 8m. or part thereof. For Structural Works in Roof Trusses etc. using joists, channels and angles of specified section weighing less than 22.5 kg/ m		0.5	MT