Construction of Boundary Wall of RIMS, Ranchi

Amount

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

Earth Work in excavation in Foundation Trenches in Ordinary soil (vide classification of soil item -B) and disposal of excavated earth as obtained to a distance upto 50 M including all lift, leveling ramming the foundation trenches, removing roots of tree shrubs all complete as per approved design, building specification and direction of E/I

Earth filling in foundation trenches and plinth in layer not exceeding 150mm thick will watered rammed fully compacted and fine dressed with earth obtained from excavation of foundation trenched with a lead of 50mm and lift of 1.5M all complete as per building specification and direction of E/I. (Mode of measurement compacted volume).

Excavating, supplying and filling of local earth (including royalty) by mechanical transport upto a lead of 5km also including ramming and watering of the earth in layers not exceeding 20 cm in trenches, plinth, sides of foundation etc. complete.

Preparation and consolidation of sub grade with power road roller of 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm depth, dressing to camber and consolidating with road roller including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earthwith lead upto 50 metres.

Extra for compaction of earth work in embankment under optimum moisture conditions to give at least 95% of the maximum dry density (proctor density).

Providing and laying in position cement concrete of specified grade exluding the cost of centring and shuttering-all work upto plinth level. 1.4.8 (1 Cement :4 coarse sand :8 graded stone agregate 40 mm nominal size)

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level. 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III): 3 graded stone aggregate 20 mm nominal size)

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement : 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mmnominal size)

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per 18: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge. (Note :- Cement content considered in this item is @ 330 kg/cum. Excess/ less cement used as per design mix is payable/recoverable separately).

All works upto plinth level

All works above plinth level

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Centring and shuttering including strutting,propping etc. and removal of form for.Foundations, footings, bases for columns, etc for mass concrete

Walls ( any thickness) including attached pilasters, butteresses, plinth and string course etc

Centering and shuttering including strutting, propping etc. and removal of form for Lintels, beams, plinth beams, girders, bressumers and cantilevers

Columns, Pillars, Piers, abutments, Posts and struts

Suspended floors, roofs,landings, balconies and access platform

Providing Tor steel reinforcement of 8mm. dia. rods as per approved design and drawing excluding carriage of M.S. bars to work site , cutting, bending and binding with annealed wire with cost of wire, removal of rust placing the rods in position all complete as per building specification and direction of E/l. (TMT Fe 500 (only vailid for TATA (TISCON), SAIL, JSPL, Electro steel Limited Bokaro and Vizal steel(RINL))

Providing Tor steel reinforcement of 10mm. dia. rods as per approved design and drawing excluding carriage of M.S. bars to work site , cutting, bending and binding with annealed wire with cost of wire, removal of rust placing the rods in position all complete as per building specification and direction of E/l. (TMT Fe 500 (only vailid for TATA (TISCON), SAIL, JSPL, Electro steel Limited Bokaro and Vizal steel(RINL))

Providing Tor steel reinforcement of 12mm. to 25mm. dia. rods as per approved design and drawing excluding carriage of M.S. bars to work site , cutting, bending and binding with annealed wire with cost of wire, removal of rust placing the rods in position all complete as per building specification and direction of E/l. (TMT Fe 500 (only vailid for TATA (TISCON), SAIL, JSPL, Electro steel Limited Bokaro and Vizal steel(RINL))

Providing designation 100 A brick work with fly ash lime brick (FLAG) confirming to IS 12894-1990 (9"x4.5"x3") in C.M. (1:6) in superstructure and plinth with approved uality of clean coarse sand of F.M. 2 to 2.5 including providing 10mm thick mortar joints, cost of screening materials, raking out joints to 15mm depth, curing, taxes and royalty all complete as per building specification and direction of E/I.

Providing 12mm cement plaster (1:6) with clean coarse sand of F.M. 1.5 including screening, curing with all leads and lifts of water, scaffolding taxes and royalty all complete as per building specification and direction of E/I.

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade:Two or more coats on new work

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.

Finishing walls with Acrylic Smooth exterior paint of required shade:New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

Supplying, fitting, and fixing M.S. Grill made of 20X6mm M.S. Flate as per approved design and drawing, properly fabricated with joints continuous fillet welded and finished smooth, carriage of grill to work site, hoisting as per building specification and direction of E/I. (where materials is not supplied by the deptt.)

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.

In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

Providing and fixing concertina coil fencing with punched tape concertina coil 600 mm dia 10 metre openable length ( total length 90 m), having 50 nos rounds per 6 metre length, upto 3 m height of wall with existing angle iron 'Y' shaped placed 2.4m or 3.00 m apart and with 9 horizontal R.B.T. reinforced barbed wire, stud tied with G.I. staples and G.I. clips to retain horizontal, including necessary bolts or G.I. barbed wire tied to angle iron, all complete as per direction of Engineer-in-charge, with reinforced barbed tape(R.B.T.) / Spring core (2.5mm thick) wire of high tensile strength of 165 kg/ sq.mm with tape (0.52 mm thick) and weight 43.478 gm/ metre (cost of M.S. angle, C.C. blocks shall be paid separately)

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-Charge. With cement mortar 1:4 (1 cement : 4 coarse sand)

Providing and fixing of Stainless Steel Box up Letters backlit with LED EXTERNAL BUILDING SIGNAGE , size 3 Feet x 30 Feet in SS (304 grade) back side proper lighting all complete with all accessories as per direction of EIC.

Supply and fixing of rebar/anchors of designed embedment length & Dia wherever required, including power drilling, cleaning of holes, then rebars should be inserted in holes that should be filled with FIS EM Plus of Fischer/RE 500V3HILTI or equivalent, a heavy duty pure epoxy based rebar ring chemical with ETA approval, DIBt, approved for diameter range from 8 mm to 40 mm reinforcement bar as per manufacturer's specification as per the direction of Eng In-charge. Drilling of hole should be done upto provided embedment depth as per the design from manufacturer's team followed by cleaning with blow pump, wire brush and blow pump for 4 times, complete as per the manufacturer's methodology. The chemical shall be approved for diamond-drilled and water-filled drill holes as well as seismic applications in performance categories C1, C2 for rebar connections. Product shall have test certificate for 120 years of service life & shall have ETA complying to EAD 332402-00-0601-v01. Supplying and fixing of rebar of 8mm/10mm/12mm Dia bar D-250 (RE 500V3 -HILTI/FIS EM + - FISCHER)

Surface Preparation: Make a 'V' groove 5 mm wide and 5 mm deep over the crack line using an electrically operated angle grinder with a diamond concrete saw blade. Clean the groove thoroughly with an air blower as directed by the Engineer-in-charge.

Sealing with Epoxy Repair Mortar: Seal the exposed 'V' groove (5 mm deep, 5 mm wide) with a solvent-free, moisture-tolerant, thixotropic, two-part structural adhesive and epoxy repair mortar cum surface leveling mortar. Ensure the epoxy repair mortar has compressive strength ≥ 60 N/mm² (7 Days, BS 6319), flexural strength ≥ 20 N/mm² (7 Days, BS 6319), and tensile strength ≥ 10 N/mm² (7 days, ASTM C 307). Use products like NITOMORTAR S OF FOSROC, Sikadur®-31 of Sika, MasterBrace 2200 BASF, or equivalent of Pidilite.

NRV Nozzles Installation: Drill and fix NRV nozzles in RC members, including (fixing material: Renderoc Plug of Fosroc / Sikadur-31 of Sika/ MasterBrace 2200 of BASF or equivalent of Pidilite& Krishna Conchem). Drilling Holes: Drilling 12 mm dia, 50 to 75 mm deep holes or upto required depth in structural members of the intervals of 350 mm in staggered manner or as directed by the Engineer-in-charge in RC structural elements. Cleaning of holes: Clean the holes by air blower prior to fixing nozzles. Fixing of Nozzles: Insert 12mm dia. NRV nozzles in cleaned holes. External end of nozzles to be machine to receive outlet of grouting gun. Fix it inside the holes by applying thyrotrophic epoxy putty to ensure complete sealing. Cure the system for min. 12 hrs. Cuttting of Nozzles: Cut the nozzles by chisel after completion of grouting without damaging structural elements.

Providing and applying bond coat on the prepared surface with two component epoxy based bonding coat Nitobond EP of Fosroc make or equivalent, having specific gravity 1.15 to 1.2 gm/cc,. The bonding agent shall be applied by brush & should remain in tacky state after application for a minimum period of 5-6 hrs at 20 deg C & 2-3 hrs at 30 deg C. Laying of reinstatement polymer modified mortar or micro concrete shall be completed within the overlay time of bonding coat.

Provide and apply single-component, free-flowing, non-shrink cementitious microconcrete at a water-to-powder ratio of 0.15. The microconcrete should have a fresh wet density of 2200 kg/m³ at 27°C and an unrestrained expansion of 1 to 4% as per ASTM C827. It must achieve a flowable consistency and compressive strength of not less than 10 N/mm² after 24 hours, 35 N/mm² after 7 days, and 45 N/mm² after 28 days at 30°C. The cured microconcrete shall be free from metallic aggregates and chlorides, and it must be shrinkage-compensated in the plastic state. Payment will be based on the consumed dry material of the microconcrete mix (Product :- Renderoc RG 45 of Fosroc/ SikaRep® Microcrete -4 of Sika / MasterEmaco S-346 of BASF or equivalent of Pidilite)

a) Without addition of aggregate

b) With addition of 6 mm down aggregate in 3:1 (3 Micro concrete: 1 aggregate 6 mm & down)

BRICKS ( 08KM )

CHIPS ( 22KM )

SAND ( 10KM )

Add GST 18 %

Add Labour cess 1%

M/S S K TEKRIWAL (BID ID -640625)