1A Dismantling Carefully Dismantling Existing Wc Rooms With All Ci Pipes Including Ci Fittings, Sanitary Fixtures / Installations, Brickwork / Brick-Bat Coba In Sunk Portion, If Any, Loose Plaster Up To Sunk Slab Level, Flooring Etc. All Complete As Directed. ( Approximate Size Of Wc 1.43 X 0.93 X 0.50M ) . As Detailed In Item No.1 / 1 ( A ) Of Scheduled Quantity And Rates Of Part Ii, Page 2. 2 1B Dismantling Dismantling The Existing Sunk Portion Of Bathroom Nahani Trap Filled Up With Brick-Bat Coba, Concrete Up To Slab Top, If Any, Loose Plaster Up To The Sunk Slab Level, Including Removal And Disengaging Of The Old Nahani Trap With Ci Fittings, Flooring, Cleaning The Slab Thoroughly Etc All Complete As Directed. ( Approximate Size Of Bathroom 2.66 X 1.13 X 0.25 M ) . As Detailed In Item No.1 / 1 ( B ) Of Scheduled Quantity And Rates Of Part Ii, Page 2. 3 1C Dismantling Dismantling Tile Work In Floors And Skirting ( Excluding That In The Wc And Bathrooms At S. No. 1.A And 1.B Above ) Including Bed Mortar Up To Mother Surface All Complete As Directed By The Bank?S Engineer. As Detailed In Item No.1 / 1 ( C ) Of Scheduled Quantity And Rates Of Part Ii, Page 3. 4 1D Dismantling Dismantling The Existing Sunk Portion Of Kitchen Room Filled Up With Brick-Bat Coba, Concrete Up To Slab Top, If Any, Loose Plaster Up To The Sunk Slab Level, Including Removal And Disengaging Of The Old Nahani Trap With Ci Fittings, Cleaning The Slab Thoroughly Etc. All Complete As Directed. ( Approximate Size Of Bathroom 0.60 X 0.60 X 0.20 M ) . As Detailed In Item No.1 / 1 ( D ) Of Scheduled Quantity And Rates Of Part Ii, Page 3. 5 2 Dismantling Carefully Dismantling Existing Cement Tile Flooring With Cement Mortar In Floors And Skirting Of Common Areas Of Staircase Passage And Landings By Using Necessary Tools, Chisel And Hammer And Exposing The Concrete Surface Without Damaging Including Removing Bed Mortar Up To Parent Concrete Slab Surface And Stacking Material Within 50 M Lead And Removing The Debris From Any Floor To Ground Level By Head Load And Carting Away And Disposing The Debris Out To Some Authorized Municipal Dump Out Of Banks Premises Etc. All Complete As Directed By The Bank?S Engineer. As Detailed In Item No.2 Of Scheduled Quantity And Rates Of Part Ii, Page 3. 6 3 Dismantling Carefully Dismantling Existing Terrace Water Proofing Treatment Including Removing Brick Bats, Base Mortar Etc. And Making Pits Of Approximate Size 30Cm X 30Cm X 12.5Cm For Preparing Surface For Fixing Nozzles In Parent Concrete Slab Surface Without Damaging The Adjacent W.P. Treatment And Roof Slab And Stacking Material Within 50 M Lead And Removing The Debris From Any Floor To Ground Level By Head Load And Carting Away And Disposing The Debris Out To Some Authorized Municipal Dump Out Of Banks Premises Etc. All Complete As Directed By The Bank?S Engineer. As Detailed In Item No.3 Of Scheduled Quantity And Rates Of Part Ii, Page 3. 7 4 Providing And Inserting 12Mm Dia. Perforated Pvc Injection Nipples Providing And Inserting 12Mm Dia. Perforated Pvc Injection Nipples With Controlling Valve And Plugging Arrangement Along Crack Lines Or Honeycomb Area As Directed By Engineer In Charge. The Quoted Rate Shall Include, I ) Drilling Holes Of Required Diameter Up To Depths From 40Mm To 80Mm Or Half The Thickness Of Member ( Whichever Is Less ) , At Required Spacing ( Minimum 600Mm To 750Mm C / C, Approximate ) In Structural Members As Directed By The Consultants Or As Required On The Basis Of Actual Site Condition. Ii ) Making The Nipples Dust Free By Blowing Compressed Air And Then Washing With Water. Iii ) Sealing The Injection Nipples With Approved Epoxy Putty Etc. And Allow It To Cure. Iv ) Pumping And Grouting Operation Shall Be Started From Top Most Nipple And Down Wards Etc. All Complete As Per Direction Of Engineer- In-Charge. As Detailed In Item No.4 Of Scheduled Quantity And Rates Of Part Ii, Page 3&4. 8 5A Providing Injection Grouting With Approved Stirrer Sealing Of Crack / Porous Concrete With Approved Quality 2-Component, Super Low Viscous Epoxy Grout By Injection Through Nipples By Using Suitable Power Driven Pneumatic Gun / Pump With Maximum Pressure Of 2.5 Kg / Sq.Cm. Including Sealing Leak Paths And All As Per Detail Technical Specifications Etc. Complete. Grouting To Be Done In Cracks / Porous Area Till The Nozzle Refuses To Accept The Grout. ( Payment Shall Be Made For The Weight Of Solid Content Of The Epoxy Grout Material ) . As Detailed In Item Nos.5&5 ( A ) Of Scheduled Quantity And Rates Of Part Ii, Page 4&5. 9 6 Providing And Fixing Hard Drawn Steel Grade 304 Providing And Fixing Hard Drawn Steel Grade 304, 22 Gauge Thickness And Having Not More Than 25Mm Of Openings On Longer Side, Wire Mesh In Rolls With Width Of 750Mm To 1200Mm To Be Stretched And Firmly Fixed And Anchored To The Wall / Concrete Surface By Means Of L-Shaped Mild Steel Shear Key Fixed / Welded With Existing Walls / Reinforcement Including The Cost Of Materials, Labour, Tool & Plants As Approved By Engineer In Charge. The Wire Mesh Shall Be Stretchered And Fixed To Substrate With 100Mm Overlaps In Both Directions At Clear Spacing Of 4Mm And Clear Bottom Cover Of 12Mm Away From The Parent Concrete Surface As Well As From The Final Finished Surface. The Layer Of Wire Mesh Shall Be Stretched And Fixed In To Walls In Position With Gi Wire Nails / Clamps At Spacing Of 450Mm C / C. Etc. Complete As Per The Standard Specifications And All As Directed By Engineer In Charge. As Detailed In Item No.6 Of Scheduled Quantity And Rates Of Part Ii, Page 5. 10 7 Providing, Mixing And Laying 25Mm Thick Sbr Polymer Modified Cement Mortar Providing, Mixing And Laying 25Mm Thick Sbr Polymer Modified Cement Mortar In Two Layers In Proportion 1:3 Complete All As Per Manufacturers Specifications And Directions Of Engineer-In-Charge. Note: A ) The Rate Shall Include The Cost Of All Materials, Labour Of All Descriptions And Nothing Extra Shall Be Paid For Polypropylene Fibers. B ) For Payment Purposes, Pre-Measurement Of Thickness Shall Be Done Just After The Surface Preparations Is Completed. C ) Payment Under This Item Shall Be Made Only After Proper Wet Curing Has Been Done And Surface Has Been Satisfactorily Evaluated By Sounding / Tapping With A Blunt Metal Instrument Or The 75Mm Size Cube Crushing Strength At The End Of 28 Days To Be Not Less Than 30 N / Sqmm2. As Detailed In Item No.7 Of Scheduled Quantity And Rates Of Part Ii, Page 5&6. 11 8 Providing And Laying Integral Cement Based Water Proofing Treatment Providing & Laying Integral Cement Based Water Proofing Treatment Including Preparation Of Surface As Required For Treatment Of Sunken Portions, Roofs, Terraces Etc Consisting Of Following Operations: A ) Applying A Slurry Coat Of Neat Cement Using 2.75 Kg / Sqm Of Cement Admixed With Approved Water Proofing Compound Approved By Engineer-In-Charge Over The Rcc Slab. B ) Laying Brick Bats With Mortar Using Broken Bricks / Brick Bats 25 Mm To 115 Mm Size With 50% Of Cement Mortar 1:5 Approved By Engineer-In-Charge C ) After Two Days Of Proper Curing Applying A Second Coat Of Cement Slurry Using Cement Admixed With Water Proofing Compound Approved By Engineer-In-Charge. D ) Finishing The Surface With 20 Mm Thick Joint Less Cement Mortar Of Mix 1:4 Admixed With Water Proofing Compound Approved By Engineer-In-Charge. E ) The Whole Terrace So Finished Shall Be Flooded For Curing And For Final Test. As Detailed In Item No.8 Of Scheduled Quantity And Rates Of Part Ii, Page 6&7.
