Repair/ Maintenance Of Water Supply Distribution System At Nirman Park , Svn Key Personnal Area , Meghadrigedda Filteration Plant And Other Misc Works Under Age E/M No . I Of Ge ( Utility-Ii ) Visakhapatnam , Labour For Attending Gi Pipe Line Complaints ( Break Downs ) In Buildings Upto G+1 Floor , Terrace And Plain Area For Pipe Of Size 15 Mm To 40 Mm Dia Including Cutting And Threading Of Pipes As Per Site Requirement Complete All As Specified And Directed By Engr-In-Charge . Note: Gi Pipe Shall Be Measured And Paid Separately Under Relevent Items . , Labour For Attending Gi Pipe Line Complaints ( Break Downs ) In Buildings Upto G+3 Floor , Terrace And Plain Area For Pipe Of Size 15 Mm To 40 Mm Dia Including Cutting And Threading Of Pipes As Per Site Requirement Including Necessary Scaffolding And Safety Measures Complete All As Specified And Directed By Engr-In-Charge . Note: Gi Pipe Shall Be Measured And Paid Separately Under Relevent Items . , Labour For Attending Gi Pipe Line Complaints ( Break Downs ) In Plain Area For Pipe Of Size 50 Mm To 80 Mm Dia Including Cutting And Threading Of Pipes As Per Site Requirement Complete All As Specified And Directed By Engr-In-Charge . Note: Gi Pipe Shall Be Measured And Paid Separately Under Relevent Items . , Labour For Attending Gi Pipe Line Complaints ( Break Downs ) In Buildings Upto Fourth Storey , Terrace And Plain Area For Pipe Of Size 20 Mm To 50 Mm Dia Including Cutting And Threading Of Pipes As Per Site Requirement Complete All As Specified And Directed By Engr-In-Charge . Note: Gi Pipe And Fittings Shall Be Measured And Paid Separately Under Relevent Items . , Labour For Attending Gi Pipe Line Complaints ( Break Downs ) In Buildings Fifth To Eigth Storey Including Terrace For Pipe Of Size 20 Mm To 50 Mm Dia Including Cutting And Threading Of Pipes As Per Site Requirement Including Necessary Scaffolding And Safety Measures Complete All As Specified And Directed By Engr-In-Charge . Note: Gi Pipe And Fittings Shall Be Measured And Paid Separately Under Relevent Items . , All As Per Si Item No . 5 . Above But Nine To Twelveth Storey , Supply Only Gi Tubing Medium Grade Of Following SizesNote: The Quoted Rates Shall Be Deemed To Include Gi Sockets And Gi Nipple As Required At Site . , 15 Mm Bore , 20 Mm Bore , 25 Mm Bore , 40 Mm Bore , 50 Mm Bore , 80 Mm Bore , Supply Only Gi Elbow Of The Following Sizes , 15 Mm Bore , 20 Mm Bore , 25 Mm Bore , 50 Mm Bore , 80 Mm Bore , Supply Only Gi Union Of The Following Sizes , 15 Mm Bore , 20 Mm Bore , 25 Mm Bore , 50 Mm Bore , 80 Mm Bore , Supply And Fix 25 Mm Dia Gun Metal Gate Valve , With Iron Wheel Head , Screwed Both Ends For Iron Pipe And Fixed Including Cutting The Pipe Line And Taking Down Old Unserviceable Valves Wherever Required Complete All As Specified And Directed By Engr-In-Charge . , All As Per Sl Item No . 10 Above But 40 Mm Dia . , All As Per Sl Item No . 10 Above But 50 Mm Dia . , All As Per Sl Item No . 10 Above But 80 Mm Dia . , Excavation In Trenches N . Exc . 1 . 5 M Wide And N . Exc . 1 . 5 M In Depth And Getting Out In Soft / Loose Soil For Foundation , Of Pipe Lines Etc , Complete All As Specified And Directed . , Returning , Filling In Including Spreading , Levelling , Watering And Well Ramming In Layers Not Exc 25 Cm Thick In Soil Complete All As Specified And Directed . , Removing Surplus Excavated Soil N . Exc . 50 M And Depositing Where Directed At A Level N-Exc 1 . 5 M Above The Starting Point Complete All As Specified And Directed . , Supply And Laying Gi Pipes Medium Grade Of 20 Mm Dia With All Fittings And Fixtures Fixed To Walls / Under Floor Complete Including Taking Down Old Unserviceable One All As Specified And Directed . , All As Per Sl Item No . 17 Above But 25 Mm Dia . , All As Per Sl Item No . 17 Above But 40 Mm Dia . , All As Per Sl Item No . 17 Above But 50 Mm Dia . , All As Per Sl Item No . 17 Above But 80 Mm Dia . , M&L For Pcc 1:3:6 , Type C1 ( Using 20 Mm Graded Granite Stone Aggregate ) As In Bases/ Pedestals For Pipe Lines , Mud Stops Or Chamfered On Edges , Including Dismantling Existing Complete All As Specified And As Directed . , M&L Masonary Valve Chamber Of Size 900X900x900 Mm ( Internal Dimensions ) And Including Necessary Excavation And Earth Work In Any Type Of Soil , 100 Mm Thick Pcc 1:4:8 Type D2 Foundation , Brick Work In Cement Mortar 1:6 , Plastering Internal And External Surface 15 Mm Thick In Cm 1:4 , 50 Mm Thick Pcc 1:3:6 Type C1 ( Using 20 Mm Graded Stone Aggregate ) Coping , 50 X 50 X 6 Mm Thick Ms Angle Iron , 5 Mm Thick Ms Plate Cover With Locking Arrangement , Painting Exposed Steel Surfaces With Two Coats Of Synthetic Enamel Paint Over A Coat Of Zinc Chrome Primer Including Dismantling Unserviceable Compete All As Specified And Directed By Engr-In-Charge . , All As Per Sl . Item No . 23 Above But Of Size 600X600x600 Mm ( Internal Dimensions ) , All As Per Sl . Item No . 23 Above But Of Size 1200X1200x1200 Mm ( Internal Dimensions ) , S&F 32 Mm ( Outer Dia ) 3-Layer Pp-R ( Polypropylene Random Copolymer ) Concealed Sdr 7 . 4 Stabilized And Antimicrobial Fusion Welded Having Thermal Stability For Hot And Cold Water Supply All Pp-R Plain And Brass Threaded Polypropylene Random Fittings Fixed To Walls , Ceilings Etc , Complete Including Taking Down Old Unserviceable Gi Pipe All As Specified And Directed By Engineer-In-Charge: , All As Per Sl Item No . 26 Above But Of Size 40 Mm ( Outer Dia ) , All As Per Sl Item No . 26 Above But Of Size 50 Mm ( Outer Dia ) , All As Per Sl Item No . 26 Above But Of Size 63 Mm ( Outer Dia ) , All As Per Sl Item No . 26 Above But Of Size 90 Mm ( Outer Dia ) , M&L For Ms Plates 5 Mm Thick And Over ( Plain Or Chequered ) Channels , Square Cut Or Notched ( Ordinary And Counter Sunk ) Forming Holes , Without Any Attachment Of Fe- 410 ( Grade -E250 ) Quality A Including Dismantling Unserviceable One Complete All As Directed . , M&L For Taking Out Existing Filter Media From Gravity Type Filter Bed , Stacking The Same Neatly In Dry Condition After Through Cleaning And Segregating Media For Re-Use Complete All As Directed By Engineer-In-Charge . , M&L For Cleaning Of Internal Walls Of Filter Bed Of Capacity 10000 Gallons Per Hour By Brushing With Nylon Brush And Cleaning Using Bleaching Powder , Washing With Fresh Water And Applying One Coat Of White Wash On External Surface Complete All As Specifed And Directed . , Laying Only Filter Media Of Any Type As Approved By Engineer-In-Charge ( Obtained From Item No . 32 ) In Filter Bed Complete All As Directed , Supply And Lay Pebbeles Filter Media Of Size ( 1/8X1/16 , 1/4 X 1/8 , 1/2X1/4 , 1X1/2 , 1 . 5X1 ) In Layers As Required Complete All As Directed . Note: Contractor Shall Get The Sample Approval Before Commencement Of Work , Supply And Lay Filter Coarse Gravel/ Fine Gravel Of Size 1/4 , 1 1/4 In Layers As Required Complete All As Directed . Note: Contractor Shall Get The Sample Approval Before Commencement Of Work , Supply And Lay Filter Media Sand ( Silica Sand Grade ) 14/30 Mess Sand ( Fine Sand ) In Layers As Required Complete All As Directed . Note: Contractor Shall Get The Sample Approval Before Commencement Of Work , M&L For Peparation Of Bottom Surface Of Filter Bed Backwash Drain Valve By Grinding And Cutting Edges To Provide Smooth Surface For Jointing With New Rubber Sheet Of 6Mm Thick ( Pressure Rating 10 Kg/Sqcm ) And Fixing New Ss Nuts & Bolts Complete Complete All As Directed By Engr-In-Charge . , Supply Only Calcium Based , High Strength Chlorination Chemical For Disinfectant , In Granual Form For Water Treatment In Factory Sealed Non Returnable Hdpe Containers ( 40 To 50 Kg Each ) Having Chlorine Concentration Level Of 70% Complete All As Specified And As Directed . Make: Rayalaseema Or Its Equivalent Make As Approved By E-In-C
