Dismantling of Buildings, Tanks and Allied Facilities at Numaligarh Refinery Limited

Amount

Dismantling of RCC in Structures/Buildings Collecting, Shifting and Storage of Dismantled material at designated place including Scaffolding, Barricading and other safety measures. RCC dismantling work includes cutting the rebars, demolition of columns, beams , slabs , screed , finishing layer, floors , staircases, precast slabs, dykes, basins, pits, cross overs, grating / chequered plate covers, rungs, insert plates, lean concrete, misc pipe or E & I supports attached to the RCC walls / slabs / beams / columns, conduits, electrical wirings, fitting / fixtures, wood works, if any. Note for Measurement : 1. Actual measured quantity volume (length x width x height (or depth) ) 2. Measurement of Staircase shall be taken as : length of staricase at its central line from the one floor to next floor x width of straircase x thickness of staircase soffit slab. 3. Where dismantling is done for the beam and slab together , measurement of slab (L xW x thickness ) shall only be taken . For simplication of measurement and accounting for the beams and columns head, quantity of such slab shall be increased by 40 %. The bidder should factor their rate acccordingly . 4.Measurement for the isolated beams in RCC portal ( without attached slab) shall be taken as actual 5. slab/ floor thickness shall be inclusive of tiles and the finishing layer over the slab if any .

For heights upto 4m from the ground

For heights above 4m to 10m from the ground

For heights beyond 10m from the ground

Dismantling of brick walls , partition walls in Buildings, Collecting, Shifting and Storage of Dismantled material at designated place including Scaffolding, Barricading and other safety measures. Brick work demolition (brick, hollow / solid blocks- full or half brick walls) work includes dismantling of doors, windows, ventilators, partitions, jolly works, grill works, rolling shutters, conduits, electrical wirings, fitting / fixtures, wood works, if any, skirting, dadoing, tiles, stone cladding, etc, which are associated with brick walls. Note for Measurement : 1. Actual quantity measured in sq.m (length x height) including doors,windows,ventiloators etc., included in the Area measurement. 2. No deduction shall be made for the opening of door, windows,and ventilators in the wall 3. Doors , windows,ventilator frame and panels shall be removed properly from the wall before demolition of wall and placed at designated area. 4. No seprate payment shall be made for removal / shifting of Doors , windows,ventilator frame and panel. Rate for such activities shall be included in this item 5. Rate for demolition of RCC lintel, sill , window chajja shall be included in this item only. No seprate measurement shall be taken for these.

For heights upto 5.5 m

For heights above 5.5m

Dismantling of Steel Structures elements , Collecting, Shifting and Storage of Dismantled material at designated place including Scaffolding, Barricading and other safety measures. Structural steel dismantling work includes columns, beams, trusses, bracings, purlins, pipe supports, platforms, built-up sections, crane girders, grating, chequered plates, ladders, hand rails, staircases, Steel gates etc Note for Measurement : Actual weight quantity in Mton measured with steel unit weight 7850 kg/cum

Structural steel sheds/structures building

Structural steel storage tanks consisting of plates and steel work,

Dismantling of Roofing and Side Cladding, Collecting, Shifting and Storage of Dismantled material at designated place including Scaffolding, Barricading and other safety measures.GI Sheet quantities includes roofing, side cladding, Ridge sheet, false ceilng , thermal insulation, transulcent sheets, louvers, fixings, down pipes, gutters, flashing and accessories, doors, windows, ventilators, etc Note for Measurement : Actual quantity of roofing ( roof slope dimention x length ) / side sheeting (length x height)

Roof Sheeting

Side Sheeting

Dismantling of Flooring and Plinth Fill (at ground floor level) Collecting, Shifting and Storage of Dismantled material at designated place including Scaffolding, Barricading and other safety measures. Building Flooring demolition includes RCC / PCC floor slab, floor finish, Flase flooring, screeds, tiles, marbles, trenches, if any in the floor, chequered plate / grating cover, insert plates, any pipe or E & I supports attached, etc. Plinth filling quantities in buildings includes the items over FGL only, including sand, backfill, rubble soling/ Murrum/Gravel filling etc. Note for Measurement : Actual quantity of Flooring Area ( Carpet Area) / Plinth filling (Fill Area x height)

RCC / PCC Ground Floor with tiles, screed , marble etc inclusive

Plinth Fill materials

Dismantling of false flooring , false ceiling , dry wall , wall made with particle boards, aluminum partition with glass panels

Area Clearance including removal of chain link fence, overhead sintex water tank, sanitory & plumbing piping and items / fittings, under gorund and overground cables etc. and removal of, cables, saleable / non-saleable scrap / debris / shrubs followed by levelling of ground as per Engineer In Charge instructions Measurement : Actual plot Area levelled

Dismantling of concrete for above ground only by using dry cutting diamond blades, arranging all labours, supervisors, tools, tackles, consumables, scaffolding etc complete in all respects and to the satisfaction of Engineer-in charge. Contractor needs to take approval of cutting plane from Engineer In Charge before dismantling.

Loading, disposal and unloading of all kinds of debris materials through dumper / trailer, generated during dismantling of building and structures outside the NRL refinery and NRMT premises beyond NRL exit gate on per MT per KM basis. Debris to be suitably covered at the top to minimize spreading of dust during transportation. Also following to be considered by Contractor while quoting the unit rate for this item. a). For the purpose of measurement, zero distance shall be reckoned from disposal area outside the Refinery premises to the nearest Exit gate of the Refinery/NRMT. b). Distance (in KM)of disposal of each location to be agreed with Engineer in Charge and recorded before starting of disposal to that location. Fraction of KM to be rounded off to the nearest whole number. c).Disposal Quantity = MT of the debris materials disposed beyond Refinery premises X Distance of disposal location in KM as defined in point(a) above d). The estimated Quantity for this item is assuming disposal location is at a distance of 1KM outside the NRL refinery exit gate. If this distance changes, quantity will also change accordingly.

Avance Infratech India Private Limited

R B Engg and Infrastructure Pvt Ltd

P K CONSTRUCTION

Devi Engineering and Constructions Private Limited