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| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 23-06-2025 | Corrigendum XV for BOQ Excel file | Other | 30-06-2025 |
| 2 | 18-06-2025 | Corrigendum XIV for extension | Date | 30-06-2025 |
| 3 | 10-06-2025 | Corrigendum XIII for extension | Date | 18-06-2025 |
| 4 | 06-06-2025 | Corrigendum XII for BOQ Excel file | Other | 10-06-2025 |
| 5 | 04-06-2025 | Corrigendum XI | Date | 10-06-2025 |
| 6 | 15-05-2025 | Extension in submission date | Date | 04-06-2025 |
| 7 | 01-05-2025 | Corrigendum_IX | Date | 21-05-2025 |
| 8 | 01-05-2025 | Corrigendum_VIII | Other | 21-05-2025 |
| 9 | 02-04-2025 | Corrigendum for extension of date | Date | 06-05-2025 |
| 10 | 27-02-2025 | Corrigendum VI for extension | Date | 04-04-2025 |
| 11 | 22-01-2025 | For extension | Date | 06-03-2025 |
| 12 | 10-12-2024 | Extension in last date of submission | Date | 28-01-2025 |
| 13 | 19-11-2024 | Corrigendum II SCC | Other | 06-01-2025 |
| 14 | 29-10-2024 | Corrigendum for Extension | Date | 06-01-2025 |
| Sl. No. | Item Description |
| 1 | SCHEDULE-A1DESIGN AND ENGINEERING:-NATURAL DRAUGHT COOLING TOWERS (NDCTs), CWPH, PIPING, EQUIPMENT AND MISCELLANEOUS OUTDOOR STRUCTURES/SERVICES: Complete conceptulization, preparation of overall layout; Design & Engineering related to Thermal, Mechanical, Civil & Architectural, Electrical, Control & Instrumentation; engineering and preparation of detailed and general arrangment drawings forfour (4) number of NaturalDraught Cooling Towers (including internal and external structures), Cooling Water Pump House, CMLC Pipeline, Equipment, and miscellaneous outdoor structures & services as per scope of works andtechnical specifications(Section-V). Preparation and approval of Design Basis Reports, Design Reports, Design calculations & Analysis, final G.A. Drawings, Detailed Drawings, Fabrication drawings, Good for construction Drawings (GFC) etc complete as covered under the scope of work, technical specifications, as per Note: Designing, detailing and Integration of all structures, systems, components, equipments required for overall completion of systems for successful operation and maintenance of NDCT-1A, 1B, 2A & 2B, CMLC & other pipelines are included in the scope of this item. |
| 2 | SCHEDULE A1.1For works covered under Civil scope |
| 3 | SCHEDULE A1.2For works covered under Mechanical scope |
| 4 | SCHEDULE A1.3For works covered under Electrical scope |
| 5 | SCHEDULEA1.4For works covered under Control and Instrumentation scope |
| 6 | SCHEDULE-A2: CIVIL WORKSNATURAL DRAUGHT COOLING TOWERS (NDCTs): CIVIL WORKS FOR FOUR (4) NUMBER OF NDCTs- Construction of all civil structures and services required for intended functioning, operation & maintenance of NDCT as per scope of work, specifications and drawingsi.e. NDCT shell, racker columns, foundation, internal structures & its foundations, cold water tunnels upto terminal limits, pedestals, walkways, handrails, staircase etc as specified in the scope of works, tender drawings and technical specifications.Notes: 1. Quoted rate under this schedule shall EXCLUDE the structures to be executed on item rate basis as per specifications, tender drawings. However, dewatering for construction of structures under item rate is covered under this schedule. (Reference: table at Dwg. No \"GHAVP-1&2/71200/2001/GA)2. Backfilling/ filcrete shall be covered as per Schedule - B.3. Ground Improvement: GI shall be carried out as per Schedule-B. |
| 7 | SCHEDULE A2.1-1: NDCT FOUNDATION WORKS: Excavation, dewatering, Concrete works upto top of Pedestal including tie beam (below racker columns) for four number of NDCTs.Notes: 1. Dewatering for structures covered under item rate works (Refer, Schedule-B and table at Dwg. No \"GHAVP-1&2/71200/2001/GA) shall be deemed to be covered under this schedule.2. Excavation: For structures which are covered under item rate works, in case excavation is overlapping with excavation for structures under Lumpsum works, same shall be deemed to be covered under this schedule.3.Excavation and dewatering for CMLC pipelines adjacent to NDCTs shall be deemed to be included under this schedule.4. Connection from NDCT sludge pits upto Plant drain Chamber (PDC) are within the scope of this schedule. |
| 8 | SCHEDULE A2.1-2: NDCT SHELL STRUCTURE WORKS: Civil Works above pedestal/tie beam upto top of Shell for four numbers of NDCTs |
| 9 | SCHEDULE A2.1-3: NDCT INTERNALCivil Works for four numbers (04) of NDCTs Internal, external& Auxiliary Structures as per scope of work, technical specifications, drawings: Major structures/ members covered are provided below for ready reference however, for detailed scope, technical specifications and drawings shall be referred: Internal framed structures (columns, beams, bracings) and their foundations; NDCT basin; NDCT cold water tunnel outlets upto terminal limits indicated in drawings (however, mechanical systems including gates, cranes are covered under Schedule-A3) RCC external staircase upto hot water distribution area with landing walkways and handrails; Hot water Ducts-HWD-1,2,3&4; NDCT sludge pits and its connections to PDCs; RCC Shaft -hot water riser ; Thrust block; Precast beams; Wind wall-concrete block wall; Handrail along duct and peripheral walkway along hot distribution area; peripheral walkway near ring beam;Cage ladder from RCC staircase landing area to the tower shell top; Corrosion resistant paint on basin slab, basin walls, partition wall, duct, internal structures columns, beams, bracings, rcc shaft, wind walls, precast beams etc.; Surface Drains designed by Contractor including its allied works. |
| 10 | SCHEDULE A2.2:COOLING WATER AND AUXILIARY SERVICE WATER PUMP HOUSE (CWPH) Civil works for foundation, superstructures including excavation, dewatering, concrete works and services required for intended functioning, operation & maintenance of CWPH and ASW as per scope of works, technical specifications and tender drawings are within the scope of this item. Note - 1: Quoted rate includes construction of CWPH tunnels/trenches upto terminal limits provided in tender Dwg., other structures required for installation, inspection, monitoring, operation, maintenance of all system/components etc except those specified in relevant items of other schedules. Note - 2: However, part of Excavation, excavation for which are overlapping with excavation area of LUMPSUM WORKS shall be deemed to be covered under ScheduleA2.1-1.Note - 3: Include Connection from CWPH sludge pits to PDC are within the scope of this item. Note - 4: Excavation and dewatering for CMLC pipelines adjacent to CWPH (i.e which are not covered under Schedule A2.1.1) shall be deemed to be included under this item. |
| 11 | SCHEDULE A2.3: CMLC RCC ENCASEMENT to Cement Mortar Lined & Coated (CMLC) Pipe Line and tunnel for protection of CMLC pipeline from load of NDCT/internal structure: Civil Works (PCC, RCC encasement as per scope, specification and drawings.) Notes: 1. Excavation, dewatering shall be covered under Schedule A2.1-1 and A2.2.2. Where tunnel will be required for protection of CMLC pipeline inside/near NDCT, RCC encasement will not be need.3. CMLC material supply, fabrication and erection are covered under schedule-A3 |
| 12 | SCHEDULE A3: A. Complete Conceptualization, Design & Engineering (thermal & Mechanical), Manufacturing, Procurement, Supply, Handling, Safe Storage at site, Erection, Inspection & Testing, Painting, Performance Guarantee test, Commissioning and Performance Testing of four numbers NDCTs and the equipment with auxiliaries including all piping, material handling equipment, Electrical systems, control & Instrumentation for GHAVP-1&2 as per tender specifications, datasheets and drawings.B. Design & Engineering, Complete Conceptualization, Layout Validation, Manufacturing, Procurement, Handling, Supply, Safe Storage at site, Erection, Inspection & Testing, Painting, Performance Guarantee, Commissioning and Performance Testing of the cooling water pump house (CWPH) mechanical equipment including all piping, ventilation systems, material handling equipment, Electrical systems, control & Instrumentation for GHAVP-1&2 as per tender specifications, datasheets and drawings.C. Piping Layout, Design & Engineering, Procurement, Manufacturing & Fabrication drawings, Supply, Handling, Safe storage, Erection, testing and Instrumentation, Painting, Commissioning and Performance Testing of all piping and fittings for GHAVP-1&2 as per tender specifications, PMS and drawings.Notes: 1 The Lumpsum cost for the complete Mechanical systems as per scope of work described in the tender specifications (section V-A, V-B, V-C, V-D, V-E, V-F, V-G, V-H, V-I,-V-J, V-K, V-L and V-M) shall be quoted in the bid.2. In Case there is any price discrepancy between unit price and the total price that is obtained by multiplying unit price and Quantity, the unit price shall prevail and the \"Total Price\" will be corrected. 3. Items and quantity shown here are based on previous project and shall be considered as indicative only. However detailed quantity shall be finalised and filled by EPC package contractor based on design and engineering. 4. Any additional items, equipment, components and required quantities, which are not mentioned as above but required for the successful completion of the system in totality, its commissioning and successful operation shall be supplied by the EPC package contractor without any additional cost to NPCIL. The cost of these items shall be included in the bid as miscellaneous items.5. VMS Panel will be common for CCW pumps and ASW pumps for one unit.6.All instrumentations for pipe, valves, pumps, filters, strainers, other equipment etc. shall be provided as per tender specification, datasheets and drawings. However, any additional instrumentations which are required for the successful completion of the system in totality, its commissioning and successful operation shall be supplied by the EPC package contractor without any additional cost to NPCIL. 7. Dimensions (*) shown here are indicative and shall be finalised during detail engineering by EPC package contractor in consultation with NPCIL.8. Temporary piping, fittings, valves, supports, and instrumentation required only for pump performance testing. Cost for the same shall be included in the piping cost.9. Bidder may suggest additional spares if any, in his bid. 10. Wherever Set mentioned in the above schedule, the detailed List of items shall be submitted subsequently during Execution based on Detailed Engineering 11. The Price of the Item / Equipment shall also include price of Special Tools and Tackles. The requirement of Special tools and Tackles is to meet the erection, commissioning and subsequent maintenance of all equipment in the scope of the tender. Accordingly, it is required to include the price of Special Tools and Tackles in the corresponding equipment / items price and supply the same. The list of Special Tools and Tackles included in the Price of the Item / Equipment shall be furnished as per Schedule for Special Tools and Tackles.12. For NDCT performance guarantee test, refer clause 18 of Section-III (Part-B) and technical specification PC E 561 of the tender. |
| 13 | SCHEDULE A3.1CCW PUMPS AND MOTORS: Lumpsum Price for Procurement, Manufacturing, construction of CCW pump and draft tube encasement; Inspection, Assembly, Shop testing, handling, Packing, transportation, safe delivery & Unloading to site, Safe storage, Guarantee, Erection, Commissioning and performance Testing of dry pit vertical metallic volute CCW pumps, draft tube and motor assembly as per tender specifications (V-C,V-J), datasheets and drawings for CCW system of GHAVP-1&2. |
| 14 | SCHEDULE A3.2ASW PUMPS AND MOTORS: Lumpsum Price for Procurement, Manufacturing, construction of ASW pump draft tube encasement; Inspection, Assembly, Shop testing, handling, Packing, transportation, safe delivery & Unloading to site, Safe storage at site, Guarantee, Erection, Commissioning and performance Testing of dry pit vertical metallic volute ASW pumps, draft tube and VVFD driven motor assembly as per tender specifications (V-C,V-J), datasheets and drawings for ASW system of GHAVP-1&2. |
| 15 | SCHEDULE A3.3Mechanical seal & guide bearing cooling & Lubrication system: Lumpsum Price for Procurement, Manufacturing, Inspection, Assembly, Shop testing, handling, Packing, transportation, safe delivery & Unloading to site, Safe storage, Guarantee, Erection, Commissioning and performance Testing of mechanical seal & guide bearing cooling & lubrication system as per tender specifications (V-C, V-J), datasheets and drawings for ASW and CCW system of GHAVP-1&2. |
| 16 | SCHEDULE A3.4Other PUMPS AND MOTORS: Lumpsum Price for Manufacturing, Inspection, Assembly, Shop testing, handling, Packing, transportation, safe delivery & Unloading to site, Safe storage, Guarantee, Erection, Commissioning and performance Testing of Submersible pumps & motor as per tender specifications (V-C,V-B,V-J), datasheets and drawings for CWPH Dewatering systems and NDCT sludge pit of GHAVP-1&2. |
| 17 | SCHEDULE A3.5Material Handling: Lumpsum Price for Procurement, Manufacturing & fabrication, Supply, Guarantee, Safe storage, Inspection, Erection & Installation, Commissioning and Testing of Material handling System Equipment and auxiliaries for CWPH and NDCT as per tender specifications (V-C, V-B, V-G, V-J), datasheets and drawings of GHAVP-1&2. |
| 18 | SCHEDULE A3.6Gates & Screens: Lumpsum Price for Procurement, Manufacturing & fabrication, Supply, Guarantee, Safe storage, Inspection, Erection & Installation, Commissioning and Testing of Stop Log gates, Screens, Sluice Gates, lifting beams and auxiliaries for CWPH and NDCT as per tender specifications (V-C, V-B, V-J),datasheets and drawings of GHAVP-1&2. |
| 19 | SCHEDULE A3.7Air conditioning and ventilation system: Lumpsum Price for Procurement, Manufacturing & fabrication, Supply, Guarantee, Safe storage, Inspection, Erection & Installation, Commissioning and Testing of Air conditioning and ventilation system and auxiliaries for CWPH as per tender specifications (V-H, V-C,V-J), datasheets and drawings of GHAVP-1&2. |
| 20 | SCHEDULE A3.8CCW Piping: Lumpsum Price for Procurement, Manufacturing & fabrication,Supply, Safe storage, Inspection, Erection & Installation, Commissioning and Testing of CCW piping including Valves, fittings, expansion joints and metal structure supports etc. as per tender specifications (V-D, V-C, V-B, V-J), piping material specifications and drawings of GHAVP-1&2. |
| 21 | SCHEDULE A3.9ASW Piping: Lumpsum Price for Procurement, Manufacturing & fabrication, Supply, Safe storage, Inspection, Erection & Installation, Commissioning and Testing of ASW piping including Valves, fittings, expansion joints and metal structure supports as per tender specifications (V-D, V-C,V-J), piping material specifications and drawings of GHAVP-1&2. |
| 22 | SCHEDULE A3.10Utility piping: Lumpsum Price for Procurement, Manufacturing & fabrication, Supply, Safe storage, Inspection, Erection & Installation, Commissioning and Testing of auxiliary & utility piping including Valves, fittings and metal structure supports for CWPH and NDCT as per tender specifications (V-D, V-C, V-B, V-J), piping material specifications and drawings of GHAVP-1&2. |
| 23 | SCHEDULE A3.11NDCT (Mechanical): Lumpsum Price for Procurement, Manufacturing, Inspection, Assembly, Shop testing, handling, Packing, transportation, safe delivery & Unloading to site, Safe storage at site, Guarantee, Erection, Commissioning and performance Testing of NDCT internal and external structuresas per tender specifications (V-B,V-J), datasheets & drawings for CCW system of GHAVP-1&2. |
| 24 | SCHEDULE A3.12Mechanical Spares:Lumpsum Price for Supply of Mandatory Spares of NDCT and CPWH Package as per tender specifications, datasheets, drawings of GHAVP-1&2. |
| 25 | SCHEDULE A4: ELECTRICAL WORKS |
| 26 | SCHEDULE A4.1Manufacture, quality assurance, inspection, testing, supply, fabrication, coordination, testing at works, packaging, forwarding, safe delivery at site, unloading at site, storage, handling, transportation from storage to erection site,erection, and commissioning of Earthing system complete in all respect and with all the accessories, tools and tackles as given in the technical specifications V-F-1-4.10 . Installation note on Earthing system (GHAVP-1&2/53200/2104/DD-R0) shall be followed for earthing conductor installation Embedded in the concrete floor/walls of building. These items include but not limited to: 40 mm dia (minimum) MS conductor, Earthing strip conductor of various sizes like 50x6, Equipment Earthing leads, Earthing conductor along the cable tray and interconnection of trays, bare stranded Aluminium/Copper conductor for grounding cable box to the motor earthing terminals, Earth pads (Mild steel, 200x60x10), 8 SWG GI wire for street lights and outdoor area lights earthing. |
| 27 | SCHEDULE A4.2Manufacture, quality assurance, inspection, routine and acceptance tests, supply,fabrication, coordination, testing at works, packaging, forwarding, safe delivery at site, unloading at site, storage, handling, transportation from storage to erection site, erection, commissioning and testing of dry type Auxiliary Transformers of rating 2.5 MVA including complete set of protections and proper earthing arrangement and all other accessories mentioned in technical specification V-F-2 _ PC_E_00153 (Auxiliary transformer). |
| 28 | SCHEDULE A4.3Manufacture, quality assurance, inspection, testing, supply, fabrication, coordination, testing at works, packaging, forwarding, safe delivery at site, unloading at site, storage, handling, transportation from storage to erection site, erection and commissioning of Cable Fire protection and fire breaks complete in all respect and with all accessories, tools and tackles as specified in the technical specification V-F-8 _ PC-E-00173 (Fires Stops and fire Break material). |
| 29 | SCHEDULE A4.4Manufacture, quality assurance, inspection, routine and acceptance tests, supply, fabrication, documentation, coordination, testing at works, packaging, forwarding, safe delivery at site, unloading at site, storage, handling, transportation from storage to erection site,erection, commissioning and testing of Type tested 415V AC PMCCs, VDB, SHB, DCDB etc. complete in all respect and with all the accessories, protections, tools and tackles as per the technical specification. |
| 30 | SCHEDULE A4.5Manufacture, quality assurance, inspection, Routine and acceptance tests, testing at works, packing, forwarding, supply, safe delivery to site, handling, laying and termination of High/Low voltage power cables and control cables, complete in all respects and with all tools & tackles & accessories of 6.6/11 KV grade HV power cables, 1100V grade 415 V power cables and 1100/650V grade control cables as given in technical specification V-F-9 _ PC-E-00180 (HV power cables), V-F-11 _ PC-E-00184 (415 V Power Cables) and V-F-10 _ PC-E-00183 (Electrical Control Cables). Note: Laying shall mean laying in cable trays/trenches/tunnels or buried in soil. |
| 31 | SCHEDULE A4.6Manufacture, quality assurance,supply, handling, transportation and termination, as per cable installation notes(GHAVP-1&2/53300/2102/DD), of LT/HT/control cables by suitable kits as follows: |
| 32 | SCHEDULE A4.7Manufacture, quality assurance,supply, handling and erection of the following type tested Cable Trays of different sizes: 150, 300, 450, 600 mm including support structures and accessories, painting of support structures and civil construction of cable tray bridge for cable trays between NDCT and CWPH building, complete in all aspects with all the fasteners, accessories, tools & tackles and spares, conforming to requirement of technical specification (V-F-5 _ PC-E-00165, Cable Trays & Accessories) and cable installationnote(GHAVP-1&2/53300/2102/DD). Cable tray rack along with Corrugated overhead Canopy of NPCIL approved design shall be provided along the length of outdoor Cable tray between NDCT and CWPH, (minimum 1 mm thick GI sheet). |
| 33 | SCHEDULE A4.8Manufacture, supply, handling, erection, commissioning and testing of LED based street lights(with civil foundation)/NDCT surface lights/battery backed emergency lights/ highbay lights/ flood lights with complete fixtures and 5A/15A/63A receptacle along with necessary switches/ junction boxes/ blanking plates/ conduits/ wires of suitable size complete in all respect and with all the accessories, tools and tackles as specified in technical specification (V-F-3 _ PC_E_00190, Lighting Fixtures). |
| 34 | SCHEDULE A4.9Civil Work: |
| 35 | SCHEDULE A4.10Manufacture, supply, inspection, handling, erection, commissioning and testing of Lightning protection system complete in all respect and with all the accessories, tools & tackles as specified in the technical specifications (V-F-1 _ PC-E-00265_R2). Lightning protection system shall be engineered in accordance with class-1 of IS-62305. |
| 36 | SCHEDULE A4.11Miscellaneous material needed to meet the electrical safety requirements as indicated by CEI or IE rules. |
| 37 | SCHEDULE A4.12Supply, inspection, testing at the contractors works, handling and handover of all mandatory SPARES for all electrical euipments indicated in various technical specifications/ scope drawings.The spare quantity is subject to purchaser’s approval. |
| 38 | SCHEDULE A4.13Supply, inspection, testing at the contractors works, handling and handover of Special tools and tackles for all electrical euipments. |
| 39 | SCHEDULE A5: CONTROL & INSTRUMENTATION WORKS |
| 40 | SCHEDULE A5.1Fabrication, procurement, assembly, inspection & testing–at works and site, packing&supply/ delivery ofvariousitemsalongwithmounting fixtures& accessoriesto site, storage of all the items/system at the site, erection of all the supplied itemsatthe site, commissioning of all items/systems, preparation & supply of all necessary documents, system performance guarantee & training to purchaser’s engineer forsystems of Programmable Logic Controller (PLC) system, Operator Work Station with console, Control Power Supply Distribution (CPSD), JBs, Marshelling Panel with all required accessories confirming to technical specification of Control and Instrumentation of NDCT and CWPH Package V-I |
| 41 | SCHEDULE A5.2Manufacturing, testing, packing, supply ,delivery ofvariousitemsalongwithmounting fixtures& accessoriesto site, storage of all the items/system at the site, erection of all the supplied itemsatthe site, commissioning of all items/systems, preparation & supply of all necessary documents of various sizes of annealed tinned copper conductor, Ethylene-Propylene Rubber (EPR) insulated and Low Halogen Low Smoke (LHLS) sheathed unarmored, overall shielded 500 V grade instrumentation, STP LAN& patch cord cable and cable glands as per technical specification -V-I |
| 42 | SCHEDULE A5.3Supply/ delivery of various instrumentsalongwithmounting fixtures& accessoriesto site, inspection & testing – at works and site,packing& storage of all the items/system at the site, erection of all the supplied itemsatthe site, commissioning of all items/systems, preparation & supply of all necessary documents as per technical specifications V-I |
| 43 | SCHEDULE A5.4Supply of Mandatory Spares as List mentioned in V-I-21 in Control and Instrumentation Technical specification (V-I) |
| 44 | SCHEDULE-B (From Item Sr. No. 7 to 63)GROUND IMPROVEMENT AND OTHERITEMS DESIGN IS PROVIDED BY NPCIL- TUNNELS,TRENCHES, PLANT DRAINAGE, ROADS, NPCIL DESIGNED SURFACE DRAIN ETC. |
| 45 | Earth work in excavation (from existing ground level / graded level) for area grading, foundations, plinth beams, trenches, drains, pipe lines, services, inspection chambers etc. in all types of soils including provision and maintenance of stable slopes through suitable means such as shoring, strutting etc. wherever required for ensuring retention / stability of surrounding strataagainst cave in due to rains, loads expected during work execution, arrangements for preventing surface run-off in excavated pit, prevention of soil slopes erosion, including continuous bailingout of water and muck for carrying out excavation activities in a safe manner and stacking the useful / serviceable excavated soiland disposal of excavated muck/ other materials up to a leadof1500 m all as per specifications and directions of Engineer.Note: 1. Clearance of area for excavation as well enabling works involving uprooting and removal of shrubs, vegetation, wild grass, trees etc. and its disposal thereof at identified locations within plant boundaries shall be deemed to have been included in quoted rate of the item. 2. Rock in general is not envisaged to be encountered during excavation. However, any pebble, gravel, boulder, ground improved soil etc. encountered during excavation shall be deemed to be included in the quoted rate.3. The methodology for excavation activity addressing all the pertinent issues including slope stability, soil erosion due to rain and conformance to construction schedule shall be formulated and submitted by the bidder along with the technical bid.4. All the measures to prevent entry of rain water into excavated pit viz making of bunds, temporary trenches, sumps etc and slope protection aspects including prevention of soil erosion shall be included in the quoted rates. |
| 46 | Up to 3 m depth. |
| 47 | 3 m to 6 m depth |
| 48 | Earth work in surface excavation required for general area grading for all types of soil not exceeding 30 cm in depth in general area within terminal limits where excavation as per above item no \"1\" is not required to be carried out including uprooting and removal of shrubs, vegetation, wild grass, trees of girth of all diameters etc. and its disposal thereof at identified locations with a lead of maximum of 2 kmwithin plant boundaries as directed by Engineer-in- Charge: |
| 49 | GROUND IMPROVEMENT BY USING COMPACTED SOIL-CEMENT MIX Carrying out ground improvement below/ around foundations of structures by using compacted SOIL-CEMENT mix as per technical specifications and drawings. For the above purpose, selected earth free from pebbles and vegetation after recovering from the stacks of excavated soil shall be dried in drying beds before use so as to bring moisture content below or equal to OMC. This soil shall be uniformly mixed in automated weigh batching and mixing plant(s). Suitable quantity of water shall be added to this mix in batching/ mixing plant so as to achieve desired optimum moisture content at site. This mix shall be transported to the placement locations and laid in layers not exceeding 200 mm each (compacted thickness) and compacting each layer at optimum moisture content using vibro rollers to achieve at least 95% modified Procter Density which shall be verified after completion of compaction through field and laboratory tests as per technical specifications. Quoted rate shall include cost of transportation of soil from stock piles and drying beds, bringing moisture content of soil to required level, uniform mixing of soil in automated weigh batching and mixing plant(s), transporting soil mix to placement locations, spreading in layers, compaction, protecting and performing required tests as per specifications including maintaining and submitting all the records. Quoted rate shall also include provision of all equipments, tools & plants, manpower, consumables, enabling works required for carrying out ground improvement, necessary arrangements for testing and conducting trials and offering the same for inspection to NPCIL.Note: 1. The cost of drying excavated soil including preparation and maintenance of sufficient drying beds with adequate draining facility and rain water protection shall be included in the quoted rates.2. The quoted rate shall also include all field and laboratory testing of soil as per technical specifications.3. The cost of supply, storage, testing and transportation of cement shall be paid under relevant item. |
| 50 | Supply, storage, testing, transportation and mixing of ordinary Portland cement (43/53 grade, conforming to IS: 269) for use in relevant item for GI-C as per specifications and as directed by Engineer. |
| 51 | GROUND IMPROVEMENT BY USING COMPACTED SOIL Carrying out ground improvement below/ around foundations of structures by using compacted soil as per technical specifications and drawings. For the above purpose, selected earth free from pebbles and vegetation after recovering from the stacks of excavated soil shall be dried in drying beds before use so as to bring moisture content below or equal to OMC. This soil shall be uniformly mixed in automated weigh batching and mixing plant(s). Suitable quantity of water shall be added to this mix in batching/ mixing plant so as to achieve desired optimum moisture content at site. This mix shall be transported to the placement locations and laid in layers not exceeding 200 mm each (compacted thickness) and compacting each layer at optimum moisture content using vibro rollers to achieve at least 95% modified Procter Density which shall be verified after completion of compaction through field and laboratory tests as per technical specifications. Quoted rate shall include cost of transportation of soil from stock piles and drying beds, bringing moisture content of soil to required level, uniform mixing of soil in automated weigh batching and mixing plant(s), transporting soil mix to placement locations, spreading in layers, compaction, protecting and performing required tests as per specifications including maintaining and submitting all the records. Quoted rate shall also include provision of all equipments, tools & plants, manpower, consumables, enabling works required for carrying out ground improvement, necessary arrangements for testing and conducting trials and offering the same for inspection to NPCIL.Note: 1. The cost of drying excavated soil including preparation and maintenance of sufficient drying beds with adequate draining facility and rain water protection shall be included in the quoted rates.2. The quoted rate shall also include all field and laboratory testing of soil as per technical specifications. |
| 52 | Supplying of local earth (including royalty) from a selected location outside plant by mechanical transport upto 20 KM from plant boundary and stacking at identified location inside plant as per technical specifications and direction of Engineer in-charge.Notes: 1. Measurement shall be made for dry weight of soil after deduction of natural moisture content.2. Cost for arrangement of weight bridge, testing of NMC etc. shall be included in quoted rate.3. Qualification of soil to be done as per NPCIL technical specifications. |
| 53 | Backfilling/ Embankment filling from stockpiles of available excavated soil within plant site at (at a distance of2000 mtr max) all levels at locations as per belowin layers not exceeding in depth as per below, consolidationg each deposited layer as per specification |
| 54 | At area around sides of foundations, trenches and other excavated area In layers not exceeding 300 mm thickness with 90% Compaction and consolidating each layerby ramming and watering and meeting compaction requirement as per specification and as per instruction of ENC. |
| 55 | FILCRETE: Design, supply and place filcrete of pumpable consistency for backfilling below ground level, with cement, sand and fly ash mix of M 5 grade inclusive of all materials, tools, formwork, plants, testing, pumping to required location etc. complete as per drawings, specifications and direction of the Engineer. |
| 56 | CONCRETE WORKS Design, supply and place pumpable normal density concrete for PCC / RCC concrete of following gradesfor all plant structures at all levels and locations including drainage work, foundations usingcoarse aggregate of maximum size not exceeding 20 mm, green cutting using coloured surface retarder at construction joints, supplying and mixing mineral admixtures, chemical admixtures conforming to ASTM-C-494 type-G complete as per drawings, specification and as per direction of the Engineer.Note: 1.Rate to includecost for all concrete making ingredients, loading, unloading, stacking, storage etc, of all materials, labour, tools, plants, testing, curing and compaction, F2 / U2 finish as relevant for PCC/RCC 2. Mineral admixtures viz. fly ash / micro silica shall be used as per the specifications. 3 Concrete is required to be prequalified by trial mixes for all weather conditions as per technical specification.4. All concrete making ingredients to be qualified for the source as per technical specifications5. Concrete for NDCT shell shall meet the early strength criteria, design intent and cycle time of jump form.6. Placement temperature for Schedule-A shall be as per design and specification and as per scheme approved by NPCIL. For Schedule-B items, placement temperature shall be as per relevant subitem and NPCIL issued drawings. |
| 57 | In-situ Concrete: M-15 for PCC of mudmat of foundations, roads, screed including formation of drains. |
| 58 | In-situ Concrete: M-35 at temperature not exceeding 38 deg C for RCC structures/tunnels/trenches/drains etc. |
| 59 | Precast works: Precast works including formwork and handling, transportation & erection of precast members all complete as per drawing, specifications and direction of Engineer Note: Reinforcement & lifting hooks / EPs shall be measured and paid in the relevant item. |
| 60 | Precast concrete covers with / without slots of M-35 grade concrete using max. aggregate size of 20 / 10 mm. |
| 61 | Form work: Design, supply, place including forming groove wherever required for construction joints and remove formworkat all levels, unless specified in the item, inclusive of required scaffolding / staging,materials, labour, tools and plants, safety nets, platforms, access, railings etc. all complete as per drawings, specification & as directed by the Engineer . |
| 62 | Foundations, footings bases of columns etc. |
| 63 | Walls straight or curved, columns, buttresses, pedestal, tunnels and trenches at all heights, depths and inclinations. |
| 64 | Suspended floors (horizontal or sloping), beams and sides of slabs / beams etc. The height of staging will be considered from floor top to bottom most point of the slab.- Staging height up to 6.0 m. |
| 65 | LEAK TIGHTNESS TEST: Establishing leak tightness for all water retaining structures or their parts thereof inclusive of identifying the leakage, maintaing the records, performing & supervising the necessary works using the approved procedures and material to achieve leak tightnesss, till completion ot test sucessfully in all respects, all complete as per approved drawings, specifications, and as directed by Engineer-in-charge.Notes: 1. Payment for this item shall be made based on surface area in contact with water, only after successful completion of test. |
| 66 | Reinforcement: Supplying and placing in position thermo mechanically treated (TMT) bars of grade Fe-500 conforming to NPCIL specifications for all reinforced concrete works at all levels and elevations including storing, cleaning, cutting, bending, fixing, tying with 1.6 mm dia soft annealed binding wire all complete including cost of transporting, decoiling and straightening of bars and cost of binding wire, cover blocks etc. testing as per IS code and etching test to conform TMT etc. all complete as per drawings, specifications and as directed by the Engineer.Note: 1. Applicable for Schedule B only- Chairs, spacers, supports and approved laps which are embedded in the concrete shall be measured and paid under this item. Reinforcement steel used for formwork and its supports shall not be paid.2. Bidder may take a note of the additional requirement with respect to percentage elongation and ratio of UTS to yield stressover and above requirement stipulated in IS 1786.3. The steel shall be procured from approved manufacturers, who manufacture the rebars using billet produced from ore itself (Primary manufacturer) and not by remoulding of used steel. |
| 67 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete as per drawings, specifications and as directed by the Engineer: Mild steel and Medium Tensile steel bars |
| 68 | Supply and place normal free flow grout/ dry pack at all places below equipment base plate, structural steel base plates/ bearing plates, anchor bolts, pockets andother areas, including preparation of surface, equipments, shuttering, scaffolding, labour, compacting, curing, finishing, etc., all complete as per drawings, specifications and as directed by Engineer-in-charge. |
| 69 | Using approved cementiceous ready mix non-shrink grouting compound of compressive strength not less than 400 kg/ sq.cm |
| 70 | Mix 1:2.5 cement sand Dry pack mix with approved anti-shrink compound. |
| 71 | Supplying and installing/ grouting anchor fasteners/ cinch anchors (mechanical/ chemical) of following types of approved make with necessary bolts/ nuts, all complete as per drawings, specifications, and as directed by Engineer-in-charge: Non-seismic Anchors- Mechanical |
| 72 | 10 mm dia |
| 73 | 12 mm dia |
| 74 | 16 mm dia |
| 75 | 20 mm dia |
| 76 | 24 mm dia |
| 77 | Injection Grouting: Supply and injection of approved grouting compound at various locations including providing scaffolding, equipment, tools, labour etc. complete as per drawing, specifications and direction of Engineer. |
| 78 | Using polyurethane swelling type hydrophilic compound to arrest water leakage |
| 79 | Using ultra low viscosity epoxy compoundin concrete |
| 80 | Using neat cement grout |
| 81 | Providing, fixing, cutting and finishing after grouting GI pipe nozzles of 12mm dia and length maximum upto half the thickness of the concrete member at various locations prior to or after concreting as per specifications, drawings and as directed by the Engineer |
| 82 | Cement mortar 1:6 (1 cement : 6 coarse sand) |
| 83 | Embedded Parts: EMBEDDED PARTS FABRICATION AND ERECTION (CS): Supply, fabrication & erection of embedded parts made form material conforming to IS:2062 Grade A or B or C, IS:1239, IS:3589 including all testing as per NPCIL specifications PC-E-160, for all types of EPs like Anchor bolts, internal threaded EPs, Pipe & duct penetration EPs, plates, hatch frame, edge angle, floor drain EPs, etc of all sizes including cost of applying one coat of primer, transportation and erection of embedded parts at site, all complete as per drawings, specifications, and as directed by Engineer-in-charge.Notes: 1. Measurement shall be for the weight of entire EP, including plates, lugs, etc.2. Temporary bracings and supports will not be measured and paid. |
| 84 | EMBEDDED PARTS FABRICATION & ERECTION AND OTHER MISCELLANEOUS WORKS (SS): Supply, fabrication, and erection of embedded parts made out of stainless steel material confirming to ASTM A-240 type 304/ 304 L for plates and ASTM A-312 type 304/ 304 L for pipes, including all testing as per NPCIL specifications, providing jigs and fixtures in concrete for supporting of embedded parts, all complete as per drawings, specifications, and as directed by Engineer-in-charge.Notes: 1. Jigs & Fixtures buried in concrete shall be paid in the relevant item.2. Measurement shall be for the weight of entire EP, including plates, lugs, etc.3. Temporary bracings and supports shall not be paid. |
| 85 | Providing and fixingjigs and fixtures buried in concrete for supporting of all types of embedded parts |
| 86 | Structural steel: Supply of material including its testing, fabrication and erection of structural steel items (rolled/ built up sections) including welding or bolting connections with bolts as required including testing on welds complete as per drawing, specification and as directed by the Engineer. Material conforming to IS:2062 Grade A or B or C, IS:1239, IS:3589 etc.: Note: Girders, supports for cranes are considered under relevant items in Schedule A3: Mechanical Works |
| 87 | Hand railing, chequered plates, stairs, ladders, steel hatch covers & all other structural steel items not covered in above item. |
| 88 | Providing and fixing stainless steel (Grade 304L) items made of Hollow tubes, channels, plates etc., including welding, grinding, buffing, polishing and making curvature(wherever required) and fitting the same with necessary stainless steel nuts and bolts complete, i/c fixing with necessary accessories & stainless steel dash fasteners , stainless steel bolts etc., of required size with suitable arrangement as per approval of Engineer-in-charge, (for payment purpose only weight of stainless steel members shall be considered excluding fixing accessories such as nuts, bolts, fasteners etc.). |
| 89 | Supply and installation of high tensile strength friction grip (HSFG) bolts as per specifications, drawings & direction of Engineer. |
| 90 | Providing and fixing including erection and fabrication of Stainless steel rungs inside of tunnels, manholes, sludge pits, chambers, etc as per specifications, drawings and directions of Engineer In charge. |
| 91 | Painting works: Applying priming coat |
| 92 | Supply and application of one coat of approved zinc silicate primer (75micron thick) on steel surfaces as per drawings & specifications including surface preparation of steel surfaces after fabrication prior to application of primer. |
| 93 | Prepare surface, supply and application of one coat of approved zinc phosphate primer (75 micron thick) on steel surfaces as per drawings & specifications. |
| 94 | Supply and application of approved epoxy paint with minimum DFT of 200 micron (excluding primer) conforming to technical specification on structural steel after its erection, including surface preparation and application of zinc silicate primer wherever required (75 Micron DFT), at all elevations after erection, providing and removing scaffolding, all as per manufacturer\"s specifications, drawings and direction of the Engineer. |
| 95 | ROAD WORKS: Subgrade: Providing, laying, spreading and compacting Road Subgradewith crushed rock (minimum 10% by weight) mixed with selected earth, including compaction by rolling with a minimum of 10 T vibratory roller in proper width and depth, consolidating with power roller, including spreading, watering and rolling etc. all complete as per specifications and drawings. The item rate shall also include the field testing of CBR and Compaction test requirements (Modified Proctor Density Test) as per specifications at a frequency of conducting one test (comprising of 10 specimens) per 2000 sq.m. area for each layer. The samples for the testing shall be selected randomly by the Engineer-In-Charge. The item includes cost for general site clearance, preparation of surface to the required camber and gradient, marking etc.: In courses each of compacted thickness of 200 mm over prepared compacted / improved soil surface.Note: 1. The CBR value of the compacted sub-grade shall not be not less than 8%. 2. Modified Proctor Density shall not be less than 98%.3. Supply of material is in the scope of contractor. |
| 96 | Granular Subbase Layer-1: Providing and laying granular sub-base course in proper width and depth, consolidating with power roller, to the required camber and gradient, including spreading, watering and rolling etc. all complete as per specifications and drawings (Grading –III Material): In two courses each of 100 mm thickness to a compacted thickness of 200 mm over subgrade. |
| 97 | Granular Subbase Layer-2: Providing and laying granular sub-base course in proper width and depth, consolidating with power roller, to the required camber and gradient, including spreading, watering and rolling etc. all complete as per specifications and drawings (Grading –I Material): In two courses each of 100 mm thickness to a compacted thickness of 200 mm over subgrade. |
| 98 | Construction of dry lean cement concrete (DLC) sub base over a prepared sub-grade with coarse and fine aggregate conforming to IS:383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per specifications, cement content not to be less than 150 Kg/cum, optimum moisture content to be determined during trial length construction, of concrete grade M 20 with placement temperature not to exceed 29 0 C, mixed in a batching plant, transported to site, , curedfor all leads & lifts,, placing, vibrating, finishing and curing etc. complete as per specifications and as per the direction of Engineer in-charge.\"Note: 1. Trial length if carried out as per MORTH will be measured and paid under relevant items. |
| 99 | Cement Concrete / RCC Pavement: Pavement Quality Concrete - Providing and laying of dowel jointed, Pavement Quality Concrete pavement M-40 grade concrete with placement temperature not to exceed 29°C, with fly ash upto 20% by weight of cementious material, over a prepared Plain Cement Concrete (PCC) subbase, coarse and fine aggregate conforming to IS 383 and the technical specifications, maximum size of coarse aggregate not exceeding 20 mm, mixed in a batching and mixing plant as per approved mix design, transported to site, laid with a fixed form, placing, including plywood / steel formwork, steel centering and compaction by vibrating using plate, needle and screed vibrator as required, grooming the concrete surface to get serrations levelling to the surface as directed, spread, compacted and finished in a continuous operation. Item rate also includes provision of contraction, expansion, construction and longitudinal joints (Panel size not exceeding 4.5 x 4.5 m), joint filler, separation membrane (125 micron Polythene sheet) including overlaps not less than 300 mm, making joints by groove cutting machineetc. complete., sealant primer, joint sealant, debonding strip, admixtures as approved, curing compound, Bituminous coating with tin cap for dowel bars etc. andfinishing to lines and grades as per drawing and as per relevant clauses of MOSRTH / IRC specifications and technical specifications complete including all enabling works, but excluding cost of steel in dowel bar and tie bars etc.) Note: 1. Payment of reinforcement steel including dowel bars and tie bars etc. shall be made in the relevant items. |
| 100 | Providing and fixing in position mild steel dowel bars conforming to Grade S 240 of IS 432, precoated with anticorrosive epoxy paint, wherever directed including handling, straightening, necessary cutting supported by re-steel chairs with proper alignment by using properly designed assembly of Bulkheads lubricating half length with bituminous paint as directed etc. complete.Notes: 1. Chairs, Spacers, and supports which are embedded in the concrete shall be measured and paid under relevant item.Reinforcement steel used for formwork and its supports shall not be paid.2. Trial length if carried out as per MORTH will be measured and paid under relevant items. |
| 101 | Providing and fixing in position TMT tie bars conforming to Grade Fe 500 per IS 1786, precoated with anticorrosive epoxy paint, wherever directed including handling, straightening wrapping with paper of approved quality for half length, necessary cutting, handling, straightening, supported by assembly of re-steel chairs with proper alignment etc. complete. as per specifications, drawings and direction of the Engineer.Note: Chairs, Spacers, and supports which are embedded in the concrete shall be measured and paid under this item.Reinforcement steel used for formwork and its supports shall not be paid. |
| 102 | Wet Mix Macadam : \"Providing, laying, spreading and compacting graded stone aggregate (size range 53 mm to 0.075 mm ) to wet mix macadam (WMM) specification including premixing the material with water at OMC in for all leads & lifts, laying in uniform layers in sub- base / base course on well prepared surface and compacting with vibratory roller of 8 to 10 tonne capacity to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge.\" |
| 103 | In one course to a consolidatedcompact finished thicknessof 175 mm. |
| 104 | Providing and laying bituminous macadam using crushed stone aggregates of specified grading premixed with bituminous binder, transported to site by tippers, laid over a previously prepared surface with paver finisher equipped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers as per specifications to achieve the desired compaction and density, complete as per specifications and directions of Engineer-in-Charge. |
| 105 | 50 to 100 mm average compacted thickness with bitumen of grade VG-30 @ 3.50% (percentage by weight of total mix) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity. |
| 106 | Providing and laying 25mm thick premix bituminous seal coat of premixed fine aggregate ( passing 2.36 mm and retained on 180 micron sieve) with bitumen using 128 kg of bitumen of grade VG - 10 bitumen per cum of fine aggregate and 0.60 cum of fine aggregate per 100 sqm of road surface, including rolling and finishing with road roller all complete. |
| 107 | Providing and applying prime coat with bitumen emulsion @ 6.0 - 9.0 kg per 10 sqm complete as per Technical Specification and as directed by the Engineer. |
| 108 | Providing and applying Tack Coat in Junctions with bitumen emulsion complete as per Technical Specification and Clause 503 of MORTH specification and as directed by the Engineer. |
| 109 | With Bitumen@ 2.5 - 3.0 kg per 10 sqm on surface treated with primer |
| 110 | With Bitumen@ 2.0 - 2.5 kg kg per 10 sqmon bituminous surface |
| 111 | Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature jointed with cement mortar 1:3 (1 cement : 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5 mm), including making drainage opening wherever required complete etc. as per direction of Engineer-in-Charge . Note: 1) length of finished kerb edging shall be measured for payment. 2) Precast C.C. kerb stone shall be approved by Engineer-in-Charge. 3) Casting yard may be allowed to established at site. |
| 112 | Providing and laying 60mm thick factory made cement concrete interlocking paver block of M -30 grade made by block making machine with strong vibratory compaction, of approved size, design & shape, laid in required colour and pattern over and including 40mm thick compacted bed of coarse sand, filling the joints with line sand etc. all complete as per the direction of Engineer-in-charge. |
| 113 | Manufacturing, supplying and fixing retro reflective sign boards made up of 2 mm thick aluminium sheet, face to be fully covered with high intensity encapsulated type heat activated retro reflective sheeting conforming to type - IV of ASTM-D 4956-01 in blue and silver white or other colour combination including subject matter, message (bi-lingual), symbols and borders etc. as per IRC: 67-2001, pasted on substrate by an adhesive backing which shall be activated by applying heat and pressure conforming to class-2 of ASTM-D-4956-01 and fixing the same with suitable sized aluminium alloy rivets @ 20 cm c/c to back support frame of M.S. angle iron of size 25x25x3 mm along with theft resistant measures, mounted and fixed with 2 Nos M.S. angles of size 35x35x5 mm to a vertical post made up to M.S. Tee section ISMT 50x50x6 mm welded with base plate of size 100x100x 5 mm at the bottom end and including making holes in pipes, angles flats, providing & fixing M.S. message plate of required size, steel work to be painted with two or more coats of synthetic enamel paint of required shade and of approved brand & manufacture over priming coat of zinc chromate yellow primer (vertical MS-Tee support to be painted in black and white colours). Backside of aluminium sheet to be painted with two or more coats of epoxy paint over and including appropriate priming coat including all leads and lifts etc. complete as per drawing, specification and direction of Engineer-in-Charge. |
| 114 | Mandatory / Regulatory sign boards of 900 mm diameter with support length of 3750 mm. |
| 115 | Cautionary / warning sign boards of equilateral triangular shape having each side of 900 mm with support length of 3650 mm |
| 116 | Providing and applying 2.5 mm thick road marking strips (retro-reflective) of specified shade / colour using hot thermoplastic material by fully / semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater, driven by experienced operator on road surface including cost of material, labour ,T&P, cleaning the road surface of all dirt, seals, oil, grease and foreign material etc. complete as per direction of Engineer-in charge and in accordance with applicable specifications. |
| 117 | Providing and fixing Glow studs of size 100x20 mm made of heavy duty body shall be moulded ASA (Acrylic styrene Acryloretrite ) or HIP (High impact polystyrene) or ABS having electronically welded micro-prismatic lens with abrasion resistant coating as approved by Engineer in charge. The glow stud shall support a load of 13635 kg tested in accordance with ASTM D 4280. The slope of retro-reflective surface shall be 35 (+/-5) degrees to base. The reflective panels on both sides with at least 12cm of reflective area up each side. The luminance intensity should be as per the specification and shall be tested as described in ASTM I : 809 as recommended in BS: 873 part 4 : 1973. The studs shall be fixed to the Road surface using the adhesive conforming to IS, as per procedure recommended by the manufacturer complete and as per direction of Engineer-in-Charge. |
| 118 | DRAINAGE WORKS: Providing, laying or fixing in position underground double walled corrugated pipe for equipment (plant) drains and sewer works, conforming to IS:16098, Part 2, stiffness class SN 8, including jointing of pipe to pipe or pipe to long neck pipe ends by electric heating mirror at site, joints to be flanged joints, laying and jointing conforming to IS : 7634 (Part-2), cutting and trimming of pipes, preparation of bends as per requirement at site, preparation of bed for laying the pipes etc. all complete.1. Cost of hydro testing shall be included in the quoted price. |
| 119 | Nominal diameter 150 DN |
| 120 | Nominal diameter 200 DN |
| 121 | Nominal diameter 225 DN |
| 122 | Nominal diameter 300 DN |
| 123 | Nominal diameter 400 DN |
| 124 | Nominal diameter 500 DN |
| 125 | Nominal diameter 600 DN |
| 126 | Nominal diameter 800 DN |
| 127 | Nominal diameter 1000 DN |
| 128 | Nominal diameter 1200 DN |
| 129 | Supplying and fixing 560 mm diameter C.I. cover with frame for manholes:(heavy duty) the weight of the cover to be not less than 108 Kg |
| 130 | Providing, supplying, transporting, laying and jointing hydraulically tested NP3 class cement concrete pipes conforming to IS:458 for road drains of following sizes with collars and other accessories if any, RCC pedestal supports and all necessary fixtures including grouting the joints with 1:2 cement sand mortar by volume and curing, all materials, labour, tools and plants etc. including providing first class bedding for the pipes as per IS:783 and all necessary works etc. all complete as per specification and as directed by the Engineer.Note: PCC and RCC required for pedestal & encasement if any will be paid separately under relevant items. |
| 131 | 200mm inside dia. |
| 132 | 250 mm inside dia |
| 133 | 300 mm inside dia |
| 134 | 600 mm inside dia |
| 135 | 700 mm inside dia |
| 136 | 800 mm inside dia |
| 137 | 900 mm inside dia |
| 138 | Water Stops, expansion joints and Sealing and water proofing: Supplying, mixing, laying and sealing in trapezoidal or triangular groove of all sizes at expansion joints, around embedded parts, penetrations and construction joints at various locations in all buildings as shown in the drawings, as per specification and as directed by the Engineer (including making of groves for such treatment wherever groves are not pre-formed) using |
| 139 | Polysulphide caulking compound |
| 140 | Epoxy mortar |
| 141 | Supplying, mixing, laying and sealing in trapezoidal or triangular groove of all sizes at expansion joints, around embedded parts, penetrations and construction joints at various locations in all structure, tunnel etc. as shown in the drawings, as per specification and as directed by the Engineer (including making of groves for such treatment wherever groves are not pre-formed) using |
| 142 | Bituminous sealing compoundconforming to Grade A (Normal) of IS 1834 |
| 143 | Supplying andinstalling PVC water stops including making all types of joints by fusing etc. to establish continuity between segments of the water stop and between water stop and embedded parts by splicing as per drawings , specifications & as directed by Engineer including testing of joints.Note: Laps shall not be paid. |
| 144 | 230 mm wide |
| 145 | Supply, fabricate, cut to required size, install and secure in position 100 mm wide 3.15 mm thick MS sheet (IS:1730) with 12 mm wide, 20 mm deep corrugationrequired at expansion joints which welded with edge angles provided in edges of walls & slabs. Rate shall be inclusive of one coat of Zinc Silicate Primer and two coats (125 micron each)of Epoxy painting. lap welding and required testing of joints as per drawings, specifications and instruction of Engineer. Note: Laps shall not be paid. Embedded angles will be paid as embedded part under relevant item of this schedule. |
| 146 | Supplying and install high density polystyrene board of minimum density 35 Kg/cum conforming to IS:4671 as expansion materialwrapped in 250 micron thickness polythene sheets in floors and walls as per drawings, specification and as directed by Engineer. |
| 147 | 25 mm thick |
| 148 | 50 mm thick |
| 149 | Water Proofing below Ground Level: Supplying and laying of minimum 2.0 mm thick PVC waterproofing membrane system in single layer for all exposed horizontal and vertical surfaces of underground structures including preparing the concrete surface, preparation and application as applicable, providing and laying the geo-textiles (minimum 300 gsm) in 2 layers (below and above PVC membrane), fixing the overlaps of PVC membrane with hot air welding, rolling the joint with hand roller, testing of joints, including compartmentalisation using 320 mm wide and 2.5 mm thick PVC surface water stop all complete as per manufacturer\"s specifications, drawings and as directed by the Engineer.Note: The quoted rate shall include periodical inspection and repair of the waterproofing for any apparent defect to ensure effectiveness of waterproofing during the guarantee period and submission of bank guarantee of 10% of the amount of work Executed under this item for a period of 10 years from the date of acceptance of the work by NPCIL all complete as per specification. |
| 150 | Providing and laying minimum 50mm thick screed concrete of M20 grade with maximum size of aggregate of 12.5 mm over 2nd layer of Geotextile on horizontal surfaces to protect the water proofing membrane complete as per drawing specification and direction of Engineer. |
| 151 | Providing and fixing 25 mm thick Polystyrene Board over 2nd layer of Geotextile on vertical surfaces to protect the water proofing membrane complete as per drawing, specification and direction of Engineer. |
| 152 | Slope (Surface) Protection measures: Design, Supply and installation of non-woven geotextile, geocell, gravel infill, tendos, J-Hook, gravel cover, anchoring at top and bottom of slopes as per drawing and technical specifications along the slopes of road works within terminal limits. |
| 153 | Slope of Roadworks/GI-S etc. |
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