|
| 1 | Earth work excavation by mechanical means (Hydraulic excavator) / manual means in all types of soil other than soft and hard rock, dressing the sides of foundation, ramming of bottom etc. including shoring and dewatering (if necessary) and refilling with selected excavated earth in layers of not more than 500 mm thick, each layer well rammed and consolidated including disposing the surplus earth within a distance of 200 m all as per specifications including clearing Jungle, uprooting of rank vegetation, grass, brush wood etc. complete andas directed by the Engineer-in-charge . From 0.00 to 1.50 m depth from Average Ground Level |
| 2 | Designing, supplying, fabricating, testing, transporting, handling and erecting at required positions and levels Structural Steel members for pre engineered building as per approved design and drawing includinggirders, steel beams,rafters, purlins, cleats, fixing accessories, connection fasteners,girts, wind bracings and all structural members required to support roofing, rain water gutters,lighting windowsincludingepoxy painting and making provisions stated as below including all consumables. This shall comprise of the following : i. Primary members: Primary members such as transverse rigid frames, curvedrafters and wind bracings, bearing frame rafters, supports for rain water guttersetc. using three plate technology or as per approved design (Using Grade 310 MPa yield strength). ii. Secondary Members: Secondary members such as purlins, girts, eaves, struts, wind bracing, flange bracings, base angles, clips, and other miscellaneous structural parts using cold rolled forming technology.( Using 310 MPa Yield strength) iii. Connections: All field connections shall be bolted. primary field connections shall be bolted and shall conform to relavent IS code and Secondary connections shall conform to relavent IS. iv. Provisions as shown in drawing for : a) Openings for windows,ventilators, etc. with suitable steel members or frames on all the sides of the opening.Allfabricated structural steel shall be painted with epoxy protective paint of approved makeminimum2 coatsand 150 micron dry film thicknessof approved colour after surface preparation by sand blasting. Notes : 1) All fabrication including welding shall be carried out in the factory only and no site fabrication will be permitted. 2) Detailed design and Drawings , shop drawings shall be prepared by the contractor through specialisedpre engineered building agency/ experienced consultantand submitted for approval and detailed design report, Loading details / reactions shall be given for design assesment. 3) Conceptual aesthetically pleasing supporting system shall be worked outand submitted for approval before proceeding detailed design. |
| 3 | Supplying, fabricating, testing, transporting, handling and erecting at required positions and levels metal roofing and canopy roofing including flashings and insulationetc. as per approved drawings and design complete as directed by the Engineer-in-charge including all consumables comprising of the following:Double skin insulated standing seam roofing system comprising of0.50 mm thickcolour coated / bare Al-Zinc Alloy coated steel0.50 mm with overall width of 400 to 500mmby seaming for 100% water tightness on outer face and 0.50 mm thick inner linear sheetwithgalvalume sheetprofile and physical material properties as specified.These sheets shall be fixed on specially reinforced polyamide or acetylyte anti friction di electric brackets at every location for permitting unhindered, free sheet movement at all required locations. The profile shall have a special in built drainage joint at side laps to make it fully watertight even in fully submerged condition. It shall have overall depth of 100 mm from horizontal after fixing . The side laps shall be of interlocking type without requirement of any mechanical seamer.Insulation:This shall be comprising of two layers of rockwool insulation each of 50 mm thick with density of 48 kg / Cu. M.Sub Grit (Top Hat) 1.5 mm thick Glavanised steel hat section fixed to main purlins, above first layer of insulation, to support the aluminium sheets.Inner linear sheet of 0.50 mm nominal TCT of physical material properties as specified.Vapour Control layer :The vapour contol layer to reduce the movement of water vapour from inside the building through the roof construction to reduce the risk of condensation shall consists of 3 layer membrane to be laid continuous across its surface shall be fully sealed at laps, perimeters, penetrations to ensure effectiveness & aluminium foil of 0.50mm thick laid over insulation board.The Aluminium Zinc Alloy metallic coated steel should be as per IS 15961 & IS 15965. The minimum coating class of the aluminium-zinc alloy metallic coated steel strip should be AZ-150as per Table 1 of IS 15965. The Atmospheric Classification (IS 14191) should be Category C3, the Durability Class should be Class 3, type of toap coat should be Polyester/Super durable polyester/Polyvinylidene fluoride (PVDF)/Water-based-acrylic respectively as per Table 1 of IS 15965. The minimum coating to be provided as per Clause 7 of IS 15965. |
| 4 | Providing and fixing precoated Galvalumeroofing accessories using self drilling / self tapping screws or with polymer coated J or L hooks, bolts and nuts and or G.I. seam bolts and nuts, G.I. plain and bitumen washers complete.Roofing accessories of Galvalume sheet up to 600 mm total width for ridges, gutters, aprons and flashings |
| 5 | Providing and Fixing Anchor Fastner of approved make including drilling in concrete as per requirementfor fixing Eps or other structuresallas specified by the manufacturer complete all as per specifications and drawings.16 mm diameter 150 mm Long |
| 6 | Core cutting in RCC up to and including 50 mm Dia |
| 7 | Core cutting in RCC beyond 50 mmup to and including 100 mm Dia |
| 8 | Core cutting in RCC beyond 100 mmup to and including 150 mm Dia |
| 9 | Core cutting in RCC beyond 150 mmup to and including 200 mm Dia |
| 10 | Core cutting in RCC beyond 200 mmup to and including 250 mm Dia |
| 11 | Providing and fixing double Tubular scaffolding system using H- Frames / APS system or (cup lock type) on the exterior side upto seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre horizontal and vertical tubes joining with cup and lock system with M.S. tubes, M.S. tube challies, M.S clamps and M.S staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connection with building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and as approved by the Engineer -in - charge. The elevational area of the scaffolding shall be measured for payment purposes. The payment shall be made once irrespective of duration of scaffolding. |
| 12 | Providing structural repairs in old damaged concretestructures / surfaces with approved Polymer with following operations:(1) Removal of loose/Spalled ordamaged concrete by chipping and cleaning the concrete surface and reinforcement steel with wire brush and with water (2) Cleaning the re-bars with Acetone for complete rust removal and washing with water to make the surface clean. (3) Applying protective coat / bond coat using polymer and cement in the proportion of 1:1.5 (1 part of polymer and 1.5 parts of cement in synthetic enamal paint like consistancy with brush (4) Reinstate the area with polymer modified mortar in layers of maximum 20 mm with the proportion of Cement 50 Kg : washed and quartz sand 87.50 kg : silica sand 37.50 Kg. mixed with 10 litres of Polymer (or 1 Kg cement : 1.75 kg washed and quartz sand : 0.75 Kg silica sand : 200 ml polymer) (5) If thickness of repair exceeds 20mm ,after every 20 mm thick repair, bond coat as per 2 aboveto be applied and further thick of repair to be continued for each layer. This work is inclusive of all materials, labour, complete all as directed at site using approved polymer suitable for structural repair shallbe used.Note: (1) Scaffolding will be paid separately under relevant item.(2) This item shall be executed as per the directions of the Engineer-in charge and measurements for any polymer repair work covered. |
| 13 | Dismantlingplain cement concretemanually / by mechanical meanscarefully without damaging adjacent structures including disposal of debris within 200 m lead as per direction of Engineer-in-charge |
| 14 | Dismantling brick work in Cement mortar carefully without damaging adjacent structures including stacking of materials and dispoal of unserviceable materials within 100 m lead as per direction of Engineer-in-charge |
| 15 | Dismantling of RCC works includingCuttingand stacking of steel reinforcement bars and disposal of unserviceable materials within 100 m lead as per direction of Engineer-in-charge |
| 16 | Dismantling steel work in built up sections in angles, tees, flats and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc. including dismantling and stacking within 100 m lead |
| 17 | Dismantlingand demolition of existing RCC block carefullyby usingDUST FREE DIAMOND WIRE SAW CUTTING / WALL SAWING / SUITABLE BLADE CUTTING SYSTEM with remote operation arrangements. Lowering the cut blockscarefully without damaging adjacent structures using suitable capacity cranes, stacking of Unserviceable materials at designated locations inside the plant premises upto a lead of 50m as per the the drawings and instructions of Engineer-in-Charge. Note: 1. Pneumatic/Electric breaker/chipper shall not be used for breaking of RCC and other components of block. 2. The quoted rate shall include for all tools & Tackles, Providing hooks to handle the cut block, core cutting, equipment\"s, machinery, consumables, gas cutting, welding, scaffolding, temporary support systems,& dismantling at any height, safety arrangements as per BARC requirements.Mode of measurement shal be cut crossectional area of RCC. |
| 18 | Strengthening and upgradation of concrete structures with min. 300 GSM unidirectional carbon fibre wrapping sheet of approved make with epoxy treatment including surface preparation i.e. Smoothening of surface, priming the substrate using approved Epoxy Primer applied by roller/brush, followed by application of approved epoxy saturant over the tack free primed surface. Carbon Fabric shall be completely impregnated in two coats of approved epoxy saturant, wrapped over the concrete structure at desired orientation using tamping rollers to avoid any air voids etc. and sprinkling quartz sand in the last layer of the saturant, making coving the corners of beam and slab junction rounded with the approved epoxy putty with a radius of min. 25 mm and Carbon Fibre anchors etc. as per detailed technical specifications and and as directed by the Engineer in charge. Note: 1. Refer Detailed Technical Specifications.2. The measurement of coving and carbon fibre anchors will be paid separately under relevant item(s). |
| 19 | Makingcoving the corners of beam and slab junction rounded with the epoxy putty with a radius of 25 mm minimum |
| 20 | Demarking the locations of Carbon Fibre anchors on the newly wrapped RCC surfaces with proper spacing, drilling 10-12 mm dia and 75 to 100 mm deep holes, saturating the fixed end of Carbon Fibre anchor with epoxy resin and inserting anchors in the holes, spreading and pasting the 8 Carbon Fibre petals of anchor over the FRP with saturant, finishing, levelling with roller, etc. complete. |
| 21 | Dismantlingand demolition of existing RCC slab carefullyby usingDUST FREE DIAMOND WIRE SAW CUTTING / WALL SAWING / SUITABLE BLADE CUTTING SYSTEM with remote operation arrangements. Lowering the cut slabscarefully without damaging adjacent structures using suitable capacity cranes, stacking of Unserviceable materials at designated locations inside the plant premises upto a lead of 50m as per the the drawings and instructions of Engineer-in-Charge. Note: 1. Pneumatic/Electric breaker/chipper shall not be used for breaking of RCC and other components of slab. 2. The quoted rate shall include for all tools & Tackles, Providing hooks to handle the cut slab, core cutting, equipment\"s, machinery, consumables, gas cutting, welding, scaffolding, temporary support systems,& dismantling at any height, safety arrangements as per BARC requirements. |
| 22 | Providing SFMC Micro concrete for strengthening of structural membersincluding mixing, pouring, curing as per manufacturer specifications and as directed by the Engineer-in-charge.Using 100% SFMC |
| 23 | Providing and fixing 304 grade Stainless Steel pipesof approved size and make and quality by cutting and placing in position including embedding if necessary complete as per specification and as directed by the Engineer in charge |
| 24 | Providing Structural steel work using angles, channels, joists and other sections, weldedand /or bolted in built up sections for trusses, structural steel floors, frame works, monorails and other structures includingsupplying, cutting, welding, fabricating, hoisting, fixing in position, applying a priming coat of approved steel primer etc. complete all as per specifications, drawingsand as directed by the Engineer in charge.Up to and including 300 mm Joists, 350 mm channels, and below sections Using materials of approved brands of BARC confirming to IS 2062. All test reports to be provided along with the supply of the materials. Note: 1. The contractor shall supply documentary evidence of purchase of steel, Test certificate from approved manufacturers and also third party testing from approved laboratories with out any extra cost.2. Welding weights, connections, bolts and nuts shall not be measured for payment but the cost of which shall be deemed to have been included in the rates. 3. Welding Electrodes manufactured by approved brands of BARC of specified suitable grade only shall be used. 4.Holes to be drilled only by Drilling machines and gas cutting of holes are not permitted .5.Rate inclusive of all consumables like GAS, welding electrodes and tools and tackles etc. |
| 25 | Providing, centering, shuttering Form work using PVC film facedplywood to get a neat form finish surface for all types of structures including necessary strutting, proping, staging, supports etc and deshuttering the same after the specified time all as per drawings, specifications and as directed by the Engineer-in-charge at all levels.For Super Structure |
| 26 | Providing and laying in position cement concrete of 1:3:6/ M-10 with minimum cement content 220 Kg/Cum (1 cement, 3 crushed sand, 6 graded stone aggregate of maximum size 20 mm) including consolidation, finishing, curing etc. complete as per specificationsand drawings but excluding the cost of Form work shuttering, centering Complete at all levels |
| 27 | Providing and laying in position Reinforced CementConcrete (RCC) of grade M-30 in Super Structure using 20mm maximum size aggregates and crushed sand of approved quality including admixtures of approved brand and quality (plasticiser or super plasticiser) if required, including weigh batching,mechanical mixing, transporting, placing, vibrating, consolidation, finishing, curing etc. complete but excluding the cost of centering, shuttering and reinforcement complete as per specifications.Notes:i) In view of limit on water-cement ratio for durability requirements, concrete admixtures (Naphthalene / Melamine based superplasticizers) can be used after taking prior approval of Engineer-in-Charge and the rates quoted for these items shall be inclusive of the cost of admixtures, trial mixes, testing (at site & at approved labs), etc. complete. ii) All projections, fins etc. in the concrete surface formed at the joints in the formwork should be ground & flush and finished at no extra cost.iii) Minimum cement content . |
| 28 | Extra for RCC/PCC UsingReady Mix Concrete from outside project area including transporting andpumping from approved batching plants . |
| 29 | Providing Reinforcement Steel for reinforced cement concrete at all levels including supplying, preparation of bar bending schedules, cutting, bending, transporting, fixing, tieing in position with PVC coated G.I binding wire, all labour charges, cost of cover blocks in specified grade of concrete etc. complete as per specifications and drawings. Steel supplied by the contractor.Using TMT bars of specified grades all dia bars.TMT bars to be supplied by the contractor confirming to IS:1786 only |
| 30 | Providing Structural steel work in M.S Plain Plates and chequrred Platesfor Embedded Parts, Trench Covers, Connection plates etc.including cutting, hoisting, fixing in position and applying a priming coat of approvedzinc chromate steel primer etc.including cost ofstructural steel Plates, welding all labour charges etc. complete as per drawings and specifications.Using materials manufactured by approved brands of BARC onlyAll test reports to be provided along with the supply of the materials Note: 1) Structural steel required for the work shall not be supplied by theDepartment and the contractor has to procure the same.2)Welding weights, connections, bolts and nutsshall not be measured for payment, but the cost of which shall be deemed to have been included in the rate. 3)All holes will be made by drilling only.Gascutting of holes will not be permitted. |
| 31 | Supplying man power along with necessary spades, shovels, punjas, ropes, small special spades, rain coats, broom, mop etc, minimum two labours per day and maximum any number of labour as and when decided by Engineer Incharge to work for eight hours per day to carry out the cleaning work, loading work etc as directed by Engineer Incharge. |
| 32 | Lead charges for disposal of debris, surplus earth etc. With a Lead Exceeding 2 KM but not exceeding 3 KM, by mechanical transport including loading, unloading, stacking / levelling etc. Note: The rates in respect of this Item is applicable for NET Quantities arrived at after making deduction for voids @ 30% from corresponding TRUCK Measurement |
| 33 | Providing and fixing post-installed chemical anchors using reinforcement bar of various sizes( from 8mm to 40mm dia.) of high load carrying capacity using injection grout system including transporting the materials, drilling holes by rotary hammer drill/ core cutting, dust removing/cleaning the drill holes, batching, mixing of resin and hardener, inserting & anchoring rebars of specified diameter in existing concrete surfaces using resin based anchoring grout with minimum drilling depth of 10 times diameterof thereinforcement steel all complete as directed by EIC.Note: 1. Steel rebars shall be paid separately under relevant item. 2. Tentative/Suggested make for injection grout system: HIT-RE 500 V4 injection mortar of M/s Hilti or Lokfix E77 of M/s Fosroc or approved equivalent |
| 34 | For 10mm dia. |
| 35 | For 12 mm dia. |
| 36 | Providing 15mm thick plastering using Ready mix internal plastering compound of approved make for internalfaces of brickwork / concrete surfaces including preparation of the surface, curing, cleaning, scaffolding completeall as per specifications and as directed at site by the Engineer-in-charge |
| 37 | Providing20 mm thick plastering using Ready mixexternal plastering compound ofapproved make for external faces of brickwork / concrete surfaces including preparation of the surface, curing, cleaningscaffoldingup to 10 metres height complete.all as per specifications including forming drip moulds wherever necessary and as directed by the Engineer-in-charge |
